| /* |
| * Scsi Host Layer for MPT (Message Passing Technology) based controllers |
| * |
| * This code is based on drivers/scsi/mpt3sas/mpt3sas_scsih.c |
| * Copyright (C) 2012-2014 LSI Corporation |
| * Copyright (C) 2013-2014 Avago Technologies |
| * (mailto: MPT-FusionLinux.pdl@avagotech.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * NO WARRANTY |
| * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR |
| * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT |
| * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, |
| * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is |
| * solely responsible for determining the appropriateness of using and |
| * distributing the Program and assumes all risks associated with its |
| * exercise of rights under this Agreement, including but not limited to |
| * the risks and costs of program errors, damage to or loss of data, |
| * programs or equipment, and unavailability or interruption of operations. |
| |
| * DISCLAIMER OF LIABILITY |
| * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED |
| * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES |
| |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| * USA. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/errno.h> |
| #include <linux/blkdev.h> |
| #include <linux/sched.h> |
| #include <linux/workqueue.h> |
| #include <linux/delay.h> |
| #include <linux/pci.h> |
| #include <linux/interrupt.h> |
| #include <linux/aer.h> |
| #include <linux/raid_class.h> |
| #include <asm/unaligned.h> |
| |
| #include "mpt3sas_base.h" |
| |
| #define RAID_CHANNEL 1 |
| |
| #define PCIE_CHANNEL 2 |
| |
| /* forward proto's */ |
| static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_node *sas_expander); |
| static void _firmware_event_work(struct work_struct *work); |
| |
| static void _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device); |
| static int _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, |
| u8 retry_count, u8 is_pd); |
| static int _scsih_pcie_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle); |
| static void _scsih_pcie_device_remove_from_sml(struct MPT3SAS_ADAPTER *ioc, |
| struct _pcie_device *pcie_device); |
| static void |
| _scsih_pcie_check_device(struct MPT3SAS_ADAPTER *ioc, u16 handle); |
| static u8 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid); |
| |
| /* global parameters */ |
| LIST_HEAD(mpt3sas_ioc_list); |
| /* global ioc lock for list operations */ |
| DEFINE_SPINLOCK(gioc_lock); |
| |
| MODULE_AUTHOR(MPT3SAS_AUTHOR); |
| MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION); |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(MPT3SAS_DRIVER_VERSION); |
| MODULE_ALIAS("mpt2sas"); |
| |
| /* local parameters */ |
| static u8 scsi_io_cb_idx = -1; |
| static u8 tm_cb_idx = -1; |
| static u8 ctl_cb_idx = -1; |
| static u8 base_cb_idx = -1; |
| static u8 port_enable_cb_idx = -1; |
| static u8 transport_cb_idx = -1; |
| static u8 scsih_cb_idx = -1; |
| static u8 config_cb_idx = -1; |
| static int mpt2_ids; |
| static int mpt3_ids; |
| |
| static u8 tm_tr_cb_idx = -1 ; |
| static u8 tm_tr_volume_cb_idx = -1 ; |
| static u8 tm_sas_control_cb_idx = -1; |
| |
| /* command line options */ |
| static u32 logging_level; |
| MODULE_PARM_DESC(logging_level, |
| " bits for enabling additional logging info (default=0)"); |
| |
| |
| static ushort max_sectors = 0xFFFF; |
| module_param(max_sectors, ushort, 0444); |
| MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767"); |
| |
| |
| static int missing_delay[2] = {-1, -1}; |
| module_param_array(missing_delay, int, NULL, 0444); |
| MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay"); |
| |
| /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ |
| #define MPT3SAS_MAX_LUN (16895) |
| static u64 max_lun = MPT3SAS_MAX_LUN; |
| module_param(max_lun, ullong, 0444); |
| MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); |
| |
| static ushort hbas_to_enumerate; |
| module_param(hbas_to_enumerate, ushort, 0444); |
| MODULE_PARM_DESC(hbas_to_enumerate, |
| " 0 - enumerates both SAS 2.0 & SAS 3.0 generation HBAs\n \ |
| 1 - enumerates only SAS 2.0 generation HBAs\n \ |
| 2 - enumerates only SAS 3.0 generation HBAs (default=0)"); |
| |
| /* diag_buffer_enable is bitwise |
| * bit 0 set = TRACE |
| * bit 1 set = SNAPSHOT |
| * bit 2 set = EXTENDED |
| * |
| * Either bit can be set, or both |
| */ |
| static int diag_buffer_enable = -1; |
| module_param(diag_buffer_enable, int, 0444); |
| MODULE_PARM_DESC(diag_buffer_enable, |
| " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)"); |
| static int disable_discovery = -1; |
| module_param(disable_discovery, int, 0444); |
| MODULE_PARM_DESC(disable_discovery, " disable discovery "); |
| |
| |
| /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */ |
| static int prot_mask = -1; |
| module_param(prot_mask, int, 0444); |
| MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 "); |
| |
| static bool enable_sdev_max_qd; |
| module_param(enable_sdev_max_qd, bool, 0444); |
| MODULE_PARM_DESC(enable_sdev_max_qd, |
| "Enable sdev max qd as can_queue, def=disabled(0)"); |
| |
| /* raid transport support */ |
| static struct raid_template *mpt3sas_raid_template; |
| static struct raid_template *mpt2sas_raid_template; |
| |
| |
| /** |
| * struct sense_info - common structure for obtaining sense keys |
| * @skey: sense key |
| * @asc: additional sense code |
| * @ascq: additional sense code qualifier |
| */ |
| struct sense_info { |
| u8 skey; |
| u8 asc; |
| u8 ascq; |
| }; |
| |
| #define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB) |
| #define MPT3SAS_TURN_ON_PFA_LED (0xFFFC) |
| #define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD) |
| #define MPT3SAS_ABRT_TASK_SET (0xFFFE) |
| #define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF) |
| /** |
| * struct fw_event_work - firmware event struct |
| * @list: link list framework |
| * @work: work object (ioc->fault_reset_work_q) |
| * @ioc: per adapter object |
| * @device_handle: device handle |
| * @VF_ID: virtual function id |
| * @VP_ID: virtual port id |
| * @ignore: flag meaning this event has been marked to ignore |
| * @event: firmware event MPI2_EVENT_XXX defined in mpi2_ioc.h |
| * @refcount: kref for this event |
| * @event_data: reply event data payload follows |
| * |
| * This object stored on ioc->fw_event_list. |
| */ |
| struct fw_event_work { |
| struct list_head list; |
| struct work_struct work; |
| |
| struct MPT3SAS_ADAPTER *ioc; |
| u16 device_handle; |
| u8 VF_ID; |
| u8 VP_ID; |
| u8 ignore; |
| u16 event; |
| struct kref refcount; |
| char event_data[] __aligned(4); |
| }; |
| |
| static void fw_event_work_free(struct kref *r) |
| { |
| kfree(container_of(r, struct fw_event_work, refcount)); |
| } |
| |
| static void fw_event_work_get(struct fw_event_work *fw_work) |
| { |
| kref_get(&fw_work->refcount); |
| } |
| |
| static void fw_event_work_put(struct fw_event_work *fw_work) |
| { |
| kref_put(&fw_work->refcount, fw_event_work_free); |
| } |
| |
| static struct fw_event_work *alloc_fw_event_work(int len) |
| { |
| struct fw_event_work *fw_event; |
| |
| fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC); |
| if (!fw_event) |
| return NULL; |
| |
| kref_init(&fw_event->refcount); |
| return fw_event; |
| } |
| |
| /** |
| * struct _scsi_io_transfer - scsi io transfer |
| * @handle: sas device handle (assigned by firmware) |
| * @is_raid: flag set for hidden raid components |
| * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE, |
| * @data_length: data transfer length |
| * @data_dma: dma pointer to data |
| * @sense: sense data |
| * @lun: lun number |
| * @cdb_length: cdb length |
| * @cdb: cdb contents |
| * @timeout: timeout for this command |
| * @VF_ID: virtual function id |
| * @VP_ID: virtual port id |
| * @valid_reply: flag set for reply message |
| * @sense_length: sense length |
| * @ioc_status: ioc status |
| * @scsi_state: scsi state |
| * @scsi_status: scsi staus |
| * @log_info: log information |
| * @transfer_length: data length transfer when there is a reply message |
| * |
| * Used for sending internal scsi commands to devices within this module. |
| * Refer to _scsi_send_scsi_io(). |
| */ |
| struct _scsi_io_transfer { |
| u16 handle; |
| u8 is_raid; |
| enum dma_data_direction dir; |
| u32 data_length; |
| dma_addr_t data_dma; |
| u8 sense[SCSI_SENSE_BUFFERSIZE]; |
| u32 lun; |
| u8 cdb_length; |
| u8 cdb[32]; |
| u8 timeout; |
| u8 VF_ID; |
| u8 VP_ID; |
| u8 valid_reply; |
| /* the following bits are only valid when 'valid_reply = 1' */ |
| u32 sense_length; |
| u16 ioc_status; |
| u8 scsi_state; |
| u8 scsi_status; |
| u32 log_info; |
| u32 transfer_length; |
| }; |
| |
| /** |
| * _scsih_set_debug_level - global setting of ioc->logging_level. |
| * @val: ? |
| * @kp: ? |
| * |
| * Note: The logging levels are defined in mpt3sas_debug.h. |
| */ |
| static int |
| _scsih_set_debug_level(const char *val, const struct kernel_param *kp) |
| { |
| int ret = param_set_int(val, kp); |
| struct MPT3SAS_ADAPTER *ioc; |
| |
| if (ret) |
| return ret; |
| |
| pr_info("setting logging_level(0x%08x)\n", logging_level); |
| spin_lock(&gioc_lock); |
| list_for_each_entry(ioc, &mpt3sas_ioc_list, list) |
| ioc->logging_level = logging_level; |
| spin_unlock(&gioc_lock); |
| return 0; |
| } |
| module_param_call(logging_level, _scsih_set_debug_level, param_get_int, |
| &logging_level, 0644); |
| |
| /** |
| * _scsih_srch_boot_sas_address - search based on sas_address |
| * @sas_address: sas address |
| * @boot_device: boot device object from bios page 2 |
| * |
| * Return: 1 when there's a match, 0 means no match. |
| */ |
| static inline int |
| _scsih_srch_boot_sas_address(u64 sas_address, |
| Mpi2BootDeviceSasWwid_t *boot_device) |
| { |
| return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0; |
| } |
| |
| /** |
| * _scsih_srch_boot_device_name - search based on device name |
| * @device_name: device name specified in INDENTIFY fram |
| * @boot_device: boot device object from bios page 2 |
| * |
| * Return: 1 when there's a match, 0 means no match. |
| */ |
| static inline int |
| _scsih_srch_boot_device_name(u64 device_name, |
| Mpi2BootDeviceDeviceName_t *boot_device) |
| { |
| return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0; |
| } |
| |
| /** |
| * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot |
| * @enclosure_logical_id: enclosure logical id |
| * @slot_number: slot number |
| * @boot_device: boot device object from bios page 2 |
| * |
| * Return: 1 when there's a match, 0 means no match. |
| */ |
| static inline int |
| _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number, |
| Mpi2BootDeviceEnclosureSlot_t *boot_device) |
| { |
| return (enclosure_logical_id == le64_to_cpu(boot_device-> |
| EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device-> |
| SlotNumber)) ? 1 : 0; |
| } |
| |
| /** |
| * _scsih_is_boot_device - search for matching boot device. |
| * @sas_address: sas address |
| * @device_name: device name specified in INDENTIFY fram |
| * @enclosure_logical_id: enclosure logical id |
| * @slot: slot number |
| * @form: specifies boot device form |
| * @boot_device: boot device object from bios page 2 |
| * |
| * Return: 1 when there's a match, 0 means no match. |
| */ |
| static int |
| _scsih_is_boot_device(u64 sas_address, u64 device_name, |
| u64 enclosure_logical_id, u16 slot, u8 form, |
| Mpi2BiosPage2BootDevice_t *boot_device) |
| { |
| int rc = 0; |
| |
| switch (form) { |
| case MPI2_BIOSPAGE2_FORM_SAS_WWID: |
| if (!sas_address) |
| break; |
| rc = _scsih_srch_boot_sas_address( |
| sas_address, &boot_device->SasWwid); |
| break; |
| case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT: |
| if (!enclosure_logical_id) |
| break; |
| rc = _scsih_srch_boot_encl_slot( |
| enclosure_logical_id, |
| slot, &boot_device->EnclosureSlot); |
| break; |
| case MPI2_BIOSPAGE2_FORM_DEVICE_NAME: |
| if (!device_name) |
| break; |
| rc = _scsih_srch_boot_device_name( |
| device_name, &boot_device->DeviceName); |
| break; |
| case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED: |
| break; |
| } |
| |
| return rc; |
| } |
| |
| /** |
| * _scsih_get_sas_address - set the sas_address for given device handle |
| * @ioc: ? |
| * @handle: device handle |
| * @sas_address: sas address |
| * |
| * Return: 0 success, non-zero when failure |
| */ |
| static int |
| _scsih_get_sas_address(struct MPT3SAS_ADAPTER *ioc, u16 handle, |
| u64 *sas_address) |
| { |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u32 ioc_status; |
| |
| *sas_address = 0; |
| |
| if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return -ENXIO; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
| if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { |
| /* For HBA, vSES doesn't return HBA SAS address. Instead return |
| * vSES's sas address. |
| */ |
| if ((handle <= ioc->sas_hba.num_phys) && |
| (!(le32_to_cpu(sas_device_pg0.DeviceInfo) & |
| MPI2_SAS_DEVICE_INFO_SEP))) |
| *sas_address = ioc->sas_hba.sas_address; |
| else |
| *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| return 0; |
| } |
| |
| /* we hit this because the given parent handle doesn't exist */ |
| if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
| return -ENXIO; |
| |
| /* else error case */ |
| ioc_err(ioc, "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n", |
| handle, ioc_status, __FILE__, __LINE__, __func__); |
| return -EIO; |
| } |
| |
| /** |
| * _scsih_determine_boot_device - determine boot device. |
| * @ioc: per adapter object |
| * @device: sas_device or pcie_device object |
| * @channel: SAS or PCIe channel |
| * |
| * Determines whether this device should be first reported device to |
| * to scsi-ml or sas transport, this purpose is for persistent boot device. |
| * There are primary, alternate, and current entries in bios page 2. The order |
| * priority is primary, alternate, then current. This routine saves |
| * the corresponding device object. |
| * The saved data to be used later in _scsih_probe_boot_devices(). |
| */ |
| static void |
| _scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, void *device, |
| u32 channel) |
| { |
| struct _sas_device *sas_device; |
| struct _pcie_device *pcie_device; |
| struct _raid_device *raid_device; |
| u64 sas_address; |
| u64 device_name; |
| u64 enclosure_logical_id; |
| u16 slot; |
| |
| /* only process this function when driver loads */ |
| if (!ioc->is_driver_loading) |
| return; |
| |
| /* no Bios, return immediately */ |
| if (!ioc->bios_pg3.BiosVersion) |
| return; |
| |
| if (channel == RAID_CHANNEL) { |
| raid_device = device; |
| sas_address = raid_device->wwid; |
| device_name = 0; |
| enclosure_logical_id = 0; |
| slot = 0; |
| } else if (channel == PCIE_CHANNEL) { |
| pcie_device = device; |
| sas_address = pcie_device->wwid; |
| device_name = 0; |
| enclosure_logical_id = 0; |
| slot = 0; |
| } else { |
| sas_device = device; |
| sas_address = sas_device->sas_address; |
| device_name = sas_device->device_name; |
| enclosure_logical_id = sas_device->enclosure_logical_id; |
| slot = sas_device->slot; |
| } |
| |
| if (!ioc->req_boot_device.device) { |
| if (_scsih_is_boot_device(sas_address, device_name, |
| enclosure_logical_id, slot, |
| (ioc->bios_pg2.ReqBootDeviceForm & |
| MPI2_BIOSPAGE2_FORM_MASK), |
| &ioc->bios_pg2.RequestedBootDevice)) { |
| dinitprintk(ioc, |
| ioc_info(ioc, "%s: req_boot_device(0x%016llx)\n", |
| __func__, (u64)sas_address)); |
| ioc->req_boot_device.device = device; |
| ioc->req_boot_device.channel = channel; |
| } |
| } |
| |
| if (!ioc->req_alt_boot_device.device) { |
| if (_scsih_is_boot_device(sas_address, device_name, |
| enclosure_logical_id, slot, |
| (ioc->bios_pg2.ReqAltBootDeviceForm & |
| MPI2_BIOSPAGE2_FORM_MASK), |
| &ioc->bios_pg2.RequestedAltBootDevice)) { |
| dinitprintk(ioc, |
| ioc_info(ioc, "%s: req_alt_boot_device(0x%016llx)\n", |
| __func__, (u64)sas_address)); |
| ioc->req_alt_boot_device.device = device; |
| ioc->req_alt_boot_device.channel = channel; |
| } |
| } |
| |
| if (!ioc->current_boot_device.device) { |
| if (_scsih_is_boot_device(sas_address, device_name, |
| enclosure_logical_id, slot, |
| (ioc->bios_pg2.CurrentBootDeviceForm & |
| MPI2_BIOSPAGE2_FORM_MASK), |
| &ioc->bios_pg2.CurrentBootDevice)) { |
| dinitprintk(ioc, |
| ioc_info(ioc, "%s: current_boot_device(0x%016llx)\n", |
| __func__, (u64)sas_address)); |
| ioc->current_boot_device.device = device; |
| ioc->current_boot_device.channel = channel; |
| } |
| } |
| } |
| |
| static struct _sas_device * |
| __mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc, |
| struct MPT3SAS_TARGET *tgt_priv) |
| { |
| struct _sas_device *ret; |
| |
| assert_spin_locked(&ioc->sas_device_lock); |
| |
| ret = tgt_priv->sas_dev; |
| if (ret) |
| sas_device_get(ret); |
| |
| return ret; |
| } |
| |
| static struct _sas_device * |
| mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc, |
| struct MPT3SAS_TARGET *tgt_priv) |
| { |
| struct _sas_device *ret; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| ret = __mpt3sas_get_sdev_from_target(ioc, tgt_priv); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| return ret; |
| } |
| |
| static struct _pcie_device * |
| __mpt3sas_get_pdev_from_target(struct MPT3SAS_ADAPTER *ioc, |
| struct MPT3SAS_TARGET *tgt_priv) |
| { |
| struct _pcie_device *ret; |
| |
| assert_spin_locked(&ioc->pcie_device_lock); |
| |
| ret = tgt_priv->pcie_dev; |
| if (ret) |
| pcie_device_get(ret); |
| |
| return ret; |
| } |
| |
| /** |
| * mpt3sas_get_pdev_from_target - pcie device search |
| * @ioc: per adapter object |
| * @tgt_priv: starget private object |
| * |
| * Context: This function will acquire ioc->pcie_device_lock and will release |
| * before returning the pcie_device object. |
| * |
| * This searches for pcie_device from target, then return pcie_device object. |
| */ |
| static struct _pcie_device * |
| mpt3sas_get_pdev_from_target(struct MPT3SAS_ADAPTER *ioc, |
| struct MPT3SAS_TARGET *tgt_priv) |
| { |
| struct _pcie_device *ret; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| ret = __mpt3sas_get_pdev_from_target(ioc, tgt_priv); |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| |
| return ret; |
| } |
| |
| struct _sas_device * |
| __mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc, |
| u64 sas_address) |
| { |
| struct _sas_device *sas_device; |
| |
| assert_spin_locked(&ioc->sas_device_lock); |
| |
| list_for_each_entry(sas_device, &ioc->sas_device_list, list) |
| if (sas_device->sas_address == sas_address) |
| goto found_device; |
| |
| list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) |
| if (sas_device->sas_address == sas_address) |
| goto found_device; |
| |
| return NULL; |
| |
| found_device: |
| sas_device_get(sas_device); |
| return sas_device; |
| } |
| |
| /** |
| * mpt3sas_get_sdev_by_addr - sas device search |
| * @ioc: per adapter object |
| * @sas_address: sas address |
| * Context: Calling function should acquire ioc->sas_device_lock |
| * |
| * This searches for sas_device based on sas_address, then return sas_device |
| * object. |
| */ |
| struct _sas_device * |
| mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc, |
| u64 sas_address) |
| { |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
| sas_address); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| return sas_device; |
| } |
| |
| static struct _sas_device * |
| __mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _sas_device *sas_device; |
| |
| assert_spin_locked(&ioc->sas_device_lock); |
| |
| list_for_each_entry(sas_device, &ioc->sas_device_list, list) |
| if (sas_device->handle == handle) |
| goto found_device; |
| |
| list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) |
| if (sas_device->handle == handle) |
| goto found_device; |
| |
| return NULL; |
| |
| found_device: |
| sas_device_get(sas_device); |
| return sas_device; |
| } |
| |
| /** |
| * mpt3sas_get_sdev_by_handle - sas device search |
| * @ioc: per adapter object |
| * @handle: sas device handle (assigned by firmware) |
| * Context: Calling function should acquire ioc->sas_device_lock |
| * |
| * This searches for sas_device based on sas_address, then return sas_device |
| * object. |
| */ |
| struct _sas_device * |
| mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| return sas_device; |
| } |
| |
| /** |
| * _scsih_display_enclosure_chassis_info - display device location info |
| * @ioc: per adapter object |
| * @sas_device: per sas device object |
| * @sdev: scsi device struct |
| * @starget: scsi target struct |
| */ |
| static void |
| _scsih_display_enclosure_chassis_info(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device, struct scsi_device *sdev, |
| struct scsi_target *starget) |
| { |
| if (sdev) { |
| if (sas_device->enclosure_handle != 0) |
| sdev_printk(KERN_INFO, sdev, |
| "enclosure logical id (0x%016llx), slot(%d) \n", |
| (unsigned long long) |
| sas_device->enclosure_logical_id, |
| sas_device->slot); |
| if (sas_device->connector_name[0] != '\0') |
| sdev_printk(KERN_INFO, sdev, |
| "enclosure level(0x%04x), connector name( %s)\n", |
| sas_device->enclosure_level, |
| sas_device->connector_name); |
| if (sas_device->is_chassis_slot_valid) |
| sdev_printk(KERN_INFO, sdev, "chassis slot(0x%04x)\n", |
| sas_device->chassis_slot); |
| } else if (starget) { |
| if (sas_device->enclosure_handle != 0) |
| starget_printk(KERN_INFO, starget, |
| "enclosure logical id(0x%016llx), slot(%d) \n", |
| (unsigned long long) |
| sas_device->enclosure_logical_id, |
| sas_device->slot); |
| if (sas_device->connector_name[0] != '\0') |
| starget_printk(KERN_INFO, starget, |
| "enclosure level(0x%04x), connector name( %s)\n", |
| sas_device->enclosure_level, |
| sas_device->connector_name); |
| if (sas_device->is_chassis_slot_valid) |
| starget_printk(KERN_INFO, starget, |
| "chassis slot(0x%04x)\n", |
| sas_device->chassis_slot); |
| } else { |
| if (sas_device->enclosure_handle != 0) |
| ioc_info(ioc, "enclosure logical id(0x%016llx), slot(%d)\n", |
| (u64)sas_device->enclosure_logical_id, |
| sas_device->slot); |
| if (sas_device->connector_name[0] != '\0') |
| ioc_info(ioc, "enclosure level(0x%04x), connector name( %s)\n", |
| sas_device->enclosure_level, |
| sas_device->connector_name); |
| if (sas_device->is_chassis_slot_valid) |
| ioc_info(ioc, "chassis slot(0x%04x)\n", |
| sas_device->chassis_slot); |
| } |
| } |
| |
| /** |
| * _scsih_sas_device_remove - remove sas_device from list. |
| * @ioc: per adapter object |
| * @sas_device: the sas_device object |
| * Context: This function will acquire ioc->sas_device_lock. |
| * |
| * If sas_device is on the list, remove it and decrement its reference count. |
| */ |
| static void |
| _scsih_sas_device_remove(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device) |
| { |
| unsigned long flags; |
| |
| if (!sas_device) |
| return; |
| ioc_info(ioc, "removing handle(0x%04x), sas_addr(0x%016llx)\n", |
| sas_device->handle, (u64)sas_device->sas_address); |
| |
| _scsih_display_enclosure_chassis_info(ioc, sas_device, NULL, NULL); |
| |
| /* |
| * The lock serializes access to the list, but we still need to verify |
| * that nobody removed the entry while we were waiting on the lock. |
| */ |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| if (!list_empty(&sas_device->list)) { |
| list_del_init(&sas_device->list); |
| sas_device_put(sas_device); |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_device_remove_by_handle - removing device object by handle |
| * @ioc: per adapter object |
| * @handle: device handle |
| */ |
| static void |
| _scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| |
| if (ioc->shost_recovery) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
| if (sas_device) { |
| list_del_init(&sas_device->list); |
| sas_device_put(sas_device); |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (sas_device) { |
| _scsih_remove_device(ioc, sas_device); |
| sas_device_put(sas_device); |
| } |
| } |
| |
| /** |
| * mpt3sas_device_remove_by_sas_address - removing device object by sas address |
| * @ioc: per adapter object |
| * @sas_address: device sas_address |
| */ |
| void |
| mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc, |
| u64 sas_address) |
| { |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| |
| if (ioc->shost_recovery) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address); |
| if (sas_device) { |
| list_del_init(&sas_device->list); |
| sas_device_put(sas_device); |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (sas_device) { |
| _scsih_remove_device(ioc, sas_device); |
| sas_device_put(sas_device); |
| } |
| } |
| |
| /** |
| * _scsih_sas_device_add - insert sas_device to the list. |
| * @ioc: per adapter object |
| * @sas_device: the sas_device object |
| * Context: This function will acquire ioc->sas_device_lock. |
| * |
| * Adding new object to the ioc->sas_device_list. |
| */ |
| static void |
| _scsih_sas_device_add(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device) |
| { |
| unsigned long flags; |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: handle(0x%04x), sas_addr(0x%016llx)\n", |
| __func__, sas_device->handle, |
| (u64)sas_device->sas_address)); |
| |
| dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device, |
| NULL, NULL)); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device_get(sas_device); |
| list_add_tail(&sas_device->list, &ioc->sas_device_list); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| if (ioc->hide_drives) { |
| clear_bit(sas_device->handle, ioc->pend_os_device_add); |
| return; |
| } |
| |
| if (!mpt3sas_transport_port_add(ioc, sas_device->handle, |
| sas_device->sas_address_parent)) { |
| _scsih_sas_device_remove(ioc, sas_device); |
| } else if (!sas_device->starget) { |
| /* |
| * When asyn scanning is enabled, its not possible to remove |
| * devices while scanning is turned on due to an oops in |
| * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start() |
| */ |
| if (!ioc->is_driver_loading) { |
| mpt3sas_transport_port_remove(ioc, |
| sas_device->sas_address, |
| sas_device->sas_address_parent); |
| _scsih_sas_device_remove(ioc, sas_device); |
| } |
| } else |
| clear_bit(sas_device->handle, ioc->pend_os_device_add); |
| } |
| |
| /** |
| * _scsih_sas_device_init_add - insert sas_device to the list. |
| * @ioc: per adapter object |
| * @sas_device: the sas_device object |
| * Context: This function will acquire ioc->sas_device_lock. |
| * |
| * Adding new object at driver load time to the ioc->sas_device_init_list. |
| */ |
| static void |
| _scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device) |
| { |
| unsigned long flags; |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: handle(0x%04x), sas_addr(0x%016llx)\n", |
| __func__, sas_device->handle, |
| (u64)sas_device->sas_address)); |
| |
| dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device, |
| NULL, NULL)); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device_get(sas_device); |
| list_add_tail(&sas_device->list, &ioc->sas_device_init_list); |
| _scsih_determine_boot_device(ioc, sas_device, 0); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } |
| |
| |
| static struct _pcie_device * |
| __mpt3sas_get_pdev_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid) |
| { |
| struct _pcie_device *pcie_device; |
| |
| assert_spin_locked(&ioc->pcie_device_lock); |
| |
| list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) |
| if (pcie_device->wwid == wwid) |
| goto found_device; |
| |
| list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list) |
| if (pcie_device->wwid == wwid) |
| goto found_device; |
| |
| return NULL; |
| |
| found_device: |
| pcie_device_get(pcie_device); |
| return pcie_device; |
| } |
| |
| |
| /** |
| * mpt3sas_get_pdev_by_wwid - pcie device search |
| * @ioc: per adapter object |
| * @wwid: wwid |
| * |
| * Context: This function will acquire ioc->pcie_device_lock and will release |
| * before returning the pcie_device object. |
| * |
| * This searches for pcie_device based on wwid, then return pcie_device object. |
| */ |
| static struct _pcie_device * |
| mpt3sas_get_pdev_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid) |
| { |
| struct _pcie_device *pcie_device; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid); |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| |
| return pcie_device; |
| } |
| |
| |
| static struct _pcie_device * |
| __mpt3sas_get_pdev_by_idchannel(struct MPT3SAS_ADAPTER *ioc, int id, |
| int channel) |
| { |
| struct _pcie_device *pcie_device; |
| |
| assert_spin_locked(&ioc->pcie_device_lock); |
| |
| list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) |
| if (pcie_device->id == id && pcie_device->channel == channel) |
| goto found_device; |
| |
| list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list) |
| if (pcie_device->id == id && pcie_device->channel == channel) |
| goto found_device; |
| |
| return NULL; |
| |
| found_device: |
| pcie_device_get(pcie_device); |
| return pcie_device; |
| } |
| |
| static struct _pcie_device * |
| __mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _pcie_device *pcie_device; |
| |
| assert_spin_locked(&ioc->pcie_device_lock); |
| |
| list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) |
| if (pcie_device->handle == handle) |
| goto found_device; |
| |
| list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list) |
| if (pcie_device->handle == handle) |
| goto found_device; |
| |
| return NULL; |
| |
| found_device: |
| pcie_device_get(pcie_device); |
| return pcie_device; |
| } |
| |
| |
| /** |
| * mpt3sas_get_pdev_by_handle - pcie device search |
| * @ioc: per adapter object |
| * @handle: Firmware device handle |
| * |
| * Context: This function will acquire ioc->pcie_device_lock and will release |
| * before returning the pcie_device object. |
| * |
| * This searches for pcie_device based on handle, then return pcie_device |
| * object. |
| */ |
| struct _pcie_device * |
| mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _pcie_device *pcie_device; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| |
| return pcie_device; |
| } |
| |
| /** |
| * _scsih_set_nvme_max_shutdown_latency - Update max_shutdown_latency. |
| * @ioc: per adapter object |
| * Context: This function will acquire ioc->pcie_device_lock |
| * |
| * Update ioc->max_shutdown_latency to that NVMe drives RTD3 Entry Latency |
| * which has reported maximum among all available NVMe drives. |
| * Minimum max_shutdown_latency will be six seconds. |
| */ |
| static void |
| _scsih_set_nvme_max_shutdown_latency(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct _pcie_device *pcie_device; |
| unsigned long flags; |
| u16 shutdown_latency = IO_UNIT_CONTROL_SHUTDOWN_TIMEOUT; |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) { |
| if (pcie_device->shutdown_latency) { |
| if (shutdown_latency < pcie_device->shutdown_latency) |
| shutdown_latency = |
| pcie_device->shutdown_latency; |
| } |
| } |
| ioc->max_shutdown_latency = shutdown_latency; |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_pcie_device_remove - remove pcie_device from list. |
| * @ioc: per adapter object |
| * @pcie_device: the pcie_device object |
| * Context: This function will acquire ioc->pcie_device_lock. |
| * |
| * If pcie_device is on the list, remove it and decrement its reference count. |
| */ |
| static void |
| _scsih_pcie_device_remove(struct MPT3SAS_ADAPTER *ioc, |
| struct _pcie_device *pcie_device) |
| { |
| unsigned long flags; |
| int was_on_pcie_device_list = 0; |
| u8 update_latency = 0; |
| |
| if (!pcie_device) |
| return; |
| ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n", |
| pcie_device->handle, (u64)pcie_device->wwid); |
| if (pcie_device->enclosure_handle != 0) |
| ioc_info(ioc, "removing enclosure logical id(0x%016llx), slot(%d)\n", |
| (u64)pcie_device->enclosure_logical_id, |
| pcie_device->slot); |
| if (pcie_device->connector_name[0] != '\0') |
| ioc_info(ioc, "removing enclosure level(0x%04x), connector name( %s)\n", |
| pcie_device->enclosure_level, |
| pcie_device->connector_name); |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| if (!list_empty(&pcie_device->list)) { |
| list_del_init(&pcie_device->list); |
| was_on_pcie_device_list = 1; |
| } |
| if (pcie_device->shutdown_latency == ioc->max_shutdown_latency) |
| update_latency = 1; |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| if (was_on_pcie_device_list) { |
| kfree(pcie_device->serial_number); |
| pcie_device_put(pcie_device); |
| } |
| |
| /* |
| * This device's RTD3 Entry Latency matches IOC's |
| * max_shutdown_latency. Recalculate IOC's max_shutdown_latency |
| * from the available drives as current drive is getting removed. |
| */ |
| if (update_latency) |
| _scsih_set_nvme_max_shutdown_latency(ioc); |
| } |
| |
| |
| /** |
| * _scsih_pcie_device_remove_by_handle - removing pcie device object by handle |
| * @ioc: per adapter object |
| * @handle: device handle |
| */ |
| static void |
| _scsih_pcie_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _pcie_device *pcie_device; |
| unsigned long flags; |
| int was_on_pcie_device_list = 0; |
| u8 update_latency = 0; |
| |
| if (ioc->shost_recovery) |
| return; |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle); |
| if (pcie_device) { |
| if (!list_empty(&pcie_device->list)) { |
| list_del_init(&pcie_device->list); |
| was_on_pcie_device_list = 1; |
| pcie_device_put(pcie_device); |
| } |
| if (pcie_device->shutdown_latency == ioc->max_shutdown_latency) |
| update_latency = 1; |
| } |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| if (was_on_pcie_device_list) { |
| _scsih_pcie_device_remove_from_sml(ioc, pcie_device); |
| pcie_device_put(pcie_device); |
| } |
| |
| /* |
| * This device's RTD3 Entry Latency matches IOC's |
| * max_shutdown_latency. Recalculate IOC's max_shutdown_latency |
| * from the available drives as current drive is getting removed. |
| */ |
| if (update_latency) |
| _scsih_set_nvme_max_shutdown_latency(ioc); |
| } |
| |
| /** |
| * _scsih_pcie_device_add - add pcie_device object |
| * @ioc: per adapter object |
| * @pcie_device: pcie_device object |
| * |
| * This is added to the pcie_device_list link list. |
| */ |
| static void |
| _scsih_pcie_device_add(struct MPT3SAS_ADAPTER *ioc, |
| struct _pcie_device *pcie_device) |
| { |
| unsigned long flags; |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: handle (0x%04x), wwid(0x%016llx)\n", |
| __func__, |
| pcie_device->handle, (u64)pcie_device->wwid)); |
| if (pcie_device->enclosure_handle != 0) |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: enclosure logical id(0x%016llx), slot( %d)\n", |
| __func__, |
| (u64)pcie_device->enclosure_logical_id, |
| pcie_device->slot)); |
| if (pcie_device->connector_name[0] != '\0') |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: enclosure level(0x%04x), connector name( %s)\n", |
| __func__, pcie_device->enclosure_level, |
| pcie_device->connector_name)); |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device_get(pcie_device); |
| list_add_tail(&pcie_device->list, &ioc->pcie_device_list); |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| |
| if (pcie_device->access_status == |
| MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED) { |
| clear_bit(pcie_device->handle, ioc->pend_os_device_add); |
| return; |
| } |
| if (scsi_add_device(ioc->shost, PCIE_CHANNEL, pcie_device->id, 0)) { |
| _scsih_pcie_device_remove(ioc, pcie_device); |
| } else if (!pcie_device->starget) { |
| if (!ioc->is_driver_loading) { |
| /*TODO-- Need to find out whether this condition will occur or not*/ |
| clear_bit(pcie_device->handle, ioc->pend_os_device_add); |
| } |
| } else |
| clear_bit(pcie_device->handle, ioc->pend_os_device_add); |
| } |
| |
| /* |
| * _scsih_pcie_device_init_add - insert pcie_device to the init list. |
| * @ioc: per adapter object |
| * @pcie_device: the pcie_device object |
| * Context: This function will acquire ioc->pcie_device_lock. |
| * |
| * Adding new object at driver load time to the ioc->pcie_device_init_list. |
| */ |
| static void |
| _scsih_pcie_device_init_add(struct MPT3SAS_ADAPTER *ioc, |
| struct _pcie_device *pcie_device) |
| { |
| unsigned long flags; |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: handle (0x%04x), wwid(0x%016llx)\n", |
| __func__, |
| pcie_device->handle, (u64)pcie_device->wwid)); |
| if (pcie_device->enclosure_handle != 0) |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: enclosure logical id(0x%016llx), slot( %d)\n", |
| __func__, |
| (u64)pcie_device->enclosure_logical_id, |
| pcie_device->slot)); |
| if (pcie_device->connector_name[0] != '\0') |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: enclosure level(0x%04x), connector name( %s)\n", |
| __func__, pcie_device->enclosure_level, |
| pcie_device->connector_name)); |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device_get(pcie_device); |
| list_add_tail(&pcie_device->list, &ioc->pcie_device_init_list); |
| if (pcie_device->access_status != |
| MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED) |
| _scsih_determine_boot_device(ioc, pcie_device, PCIE_CHANNEL); |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| } |
| /** |
| * _scsih_raid_device_find_by_id - raid device search |
| * @ioc: per adapter object |
| * @id: sas device target id |
| * @channel: sas device channel |
| * Context: Calling function should acquire ioc->raid_device_lock |
| * |
| * This searches for raid_device based on target id, then return raid_device |
| * object. |
| */ |
| static struct _raid_device * |
| _scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel) |
| { |
| struct _raid_device *raid_device, *r; |
| |
| r = NULL; |
| list_for_each_entry(raid_device, &ioc->raid_device_list, list) { |
| if (raid_device->id == id && raid_device->channel == channel) { |
| r = raid_device; |
| goto out; |
| } |
| } |
| |
| out: |
| return r; |
| } |
| |
| /** |
| * mpt3sas_raid_device_find_by_handle - raid device search |
| * @ioc: per adapter object |
| * @handle: sas device handle (assigned by firmware) |
| * Context: Calling function should acquire ioc->raid_device_lock |
| * |
| * This searches for raid_device based on handle, then return raid_device |
| * object. |
| */ |
| struct _raid_device * |
| mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _raid_device *raid_device, *r; |
| |
| r = NULL; |
| list_for_each_entry(raid_device, &ioc->raid_device_list, list) { |
| if (raid_device->handle != handle) |
| continue; |
| r = raid_device; |
| goto out; |
| } |
| |
| out: |
| return r; |
| } |
| |
| /** |
| * _scsih_raid_device_find_by_wwid - raid device search |
| * @ioc: per adapter object |
| * @wwid: ? |
| * Context: Calling function should acquire ioc->raid_device_lock |
| * |
| * This searches for raid_device based on wwid, then return raid_device |
| * object. |
| */ |
| static struct _raid_device * |
| _scsih_raid_device_find_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid) |
| { |
| struct _raid_device *raid_device, *r; |
| |
| r = NULL; |
| list_for_each_entry(raid_device, &ioc->raid_device_list, list) { |
| if (raid_device->wwid != wwid) |
| continue; |
| r = raid_device; |
| goto out; |
| } |
| |
| out: |
| return r; |
| } |
| |
| /** |
| * _scsih_raid_device_add - add raid_device object |
| * @ioc: per adapter object |
| * @raid_device: raid_device object |
| * |
| * This is added to the raid_device_list link list. |
| */ |
| static void |
| _scsih_raid_device_add(struct MPT3SAS_ADAPTER *ioc, |
| struct _raid_device *raid_device) |
| { |
| unsigned long flags; |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: handle(0x%04x), wwid(0x%016llx)\n", |
| __func__, |
| raid_device->handle, (u64)raid_device->wwid)); |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| list_add_tail(&raid_device->list, &ioc->raid_device_list); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_raid_device_remove - delete raid_device object |
| * @ioc: per adapter object |
| * @raid_device: raid_device object |
| * |
| */ |
| static void |
| _scsih_raid_device_remove(struct MPT3SAS_ADAPTER *ioc, |
| struct _raid_device *raid_device) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| list_del(&raid_device->list); |
| kfree(raid_device); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| } |
| |
| /** |
| * mpt3sas_scsih_expander_find_by_handle - expander device search |
| * @ioc: per adapter object |
| * @handle: expander handle (assigned by firmware) |
| * Context: Calling function should acquire ioc->sas_device_lock |
| * |
| * This searches for expander device based on handle, then returns the |
| * sas_node object. |
| */ |
| struct _sas_node * |
| mpt3sas_scsih_expander_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _sas_node *sas_expander, *r; |
| |
| r = NULL; |
| list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { |
| if (sas_expander->handle != handle) |
| continue; |
| r = sas_expander; |
| goto out; |
| } |
| out: |
| return r; |
| } |
| |
| /** |
| * mpt3sas_scsih_enclosure_find_by_handle - exclosure device search |
| * @ioc: per adapter object |
| * @handle: enclosure handle (assigned by firmware) |
| * Context: Calling function should acquire ioc->sas_device_lock |
| * |
| * This searches for enclosure device based on handle, then returns the |
| * enclosure object. |
| */ |
| static struct _enclosure_node * |
| mpt3sas_scsih_enclosure_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _enclosure_node *enclosure_dev, *r; |
| |
| r = NULL; |
| list_for_each_entry(enclosure_dev, &ioc->enclosure_list, list) { |
| if (le16_to_cpu(enclosure_dev->pg0.EnclosureHandle) != handle) |
| continue; |
| r = enclosure_dev; |
| goto out; |
| } |
| out: |
| return r; |
| } |
| /** |
| * mpt3sas_scsih_expander_find_by_sas_address - expander device search |
| * @ioc: per adapter object |
| * @sas_address: sas address |
| * Context: Calling function should acquire ioc->sas_node_lock. |
| * |
| * This searches for expander device based on sas_address, then returns the |
| * sas_node object. |
| */ |
| struct _sas_node * |
| mpt3sas_scsih_expander_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc, |
| u64 sas_address) |
| { |
| struct _sas_node *sas_expander, *r; |
| |
| r = NULL; |
| list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { |
| if (sas_expander->sas_address != sas_address) |
| continue; |
| r = sas_expander; |
| goto out; |
| } |
| out: |
| return r; |
| } |
| |
| /** |
| * _scsih_expander_node_add - insert expander device to the list. |
| * @ioc: per adapter object |
| * @sas_expander: the sas_device object |
| * Context: This function will acquire ioc->sas_node_lock. |
| * |
| * Adding new object to the ioc->sas_expander_list. |
| */ |
| static void |
| _scsih_expander_node_add(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_node *sas_expander) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| list_add_tail(&sas_expander->list, &ioc->sas_expander_list); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| } |
| |
| /** |
| * _scsih_is_end_device - determines if device is an end device |
| * @device_info: bitfield providing information about the device. |
| * Context: none |
| * |
| * Return: 1 if end device. |
| */ |
| static int |
| _scsih_is_end_device(u32 device_info) |
| { |
| if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE && |
| ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | |
| (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
| (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE))) |
| return 1; |
| else |
| return 0; |
| } |
| |
| /** |
| * _scsih_is_nvme_pciescsi_device - determines if |
| * device is an pcie nvme/scsi device |
| * @device_info: bitfield providing information about the device. |
| * Context: none |
| * |
| * Returns 1 if device is pcie device type nvme/scsi. |
| */ |
| static int |
| _scsih_is_nvme_pciescsi_device(u32 device_info) |
| { |
| if (((device_info & MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE) |
| == MPI26_PCIE_DEVINFO_NVME) || |
| ((device_info & MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE) |
| == MPI26_PCIE_DEVINFO_SCSI)) |
| return 1; |
| else |
| return 0; |
| } |
| |
| /** |
| * _scsih_scsi_lookup_find_by_target - search for matching channel:id |
| * @ioc: per adapter object |
| * @id: target id |
| * @channel: channel |
| * Context: This function will acquire ioc->scsi_lookup_lock. |
| * |
| * This will search for a matching channel:id in the scsi_lookup array, |
| * returning 1 if found. |
| */ |
| static u8 |
| _scsih_scsi_lookup_find_by_target(struct MPT3SAS_ADAPTER *ioc, int id, |
| int channel) |
| { |
| int smid; |
| struct scsi_cmnd *scmd; |
| |
| for (smid = 1; |
| smid <= ioc->shost->can_queue; smid++) { |
| scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid); |
| if (!scmd) |
| continue; |
| if (scmd->device->id == id && |
| scmd->device->channel == channel) |
| return 1; |
| } |
| return 0; |
| } |
| |
| /** |
| * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun |
| * @ioc: per adapter object |
| * @id: target id |
| * @lun: lun number |
| * @channel: channel |
| * Context: This function will acquire ioc->scsi_lookup_lock. |
| * |
| * This will search for a matching channel:id:lun in the scsi_lookup array, |
| * returning 1 if found. |
| */ |
| static u8 |
| _scsih_scsi_lookup_find_by_lun(struct MPT3SAS_ADAPTER *ioc, int id, |
| unsigned int lun, int channel) |
| { |
| int smid; |
| struct scsi_cmnd *scmd; |
| |
| for (smid = 1; smid <= ioc->shost->can_queue; smid++) { |
| |
| scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid); |
| if (!scmd) |
| continue; |
| if (scmd->device->id == id && |
| scmd->device->channel == channel && |
| scmd->device->lun == lun) |
| return 1; |
| } |
| return 0; |
| } |
| |
| /** |
| * mpt3sas_scsih_scsi_lookup_get - returns scmd entry |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * |
| * Return: the smid stored scmd pointer. |
| * Then will dereference the stored scmd pointer. |
| */ |
| struct scsi_cmnd * |
| mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid) |
| { |
| struct scsi_cmnd *scmd = NULL; |
| struct scsiio_tracker *st; |
| Mpi25SCSIIORequest_t *mpi_request; |
| |
| if (smid > 0 && |
| smid <= ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT) { |
| u32 unique_tag = smid - 1; |
| |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| |
| /* |
| * If SCSI IO request is outstanding at driver level then |
| * DevHandle filed must be non-zero. If DevHandle is zero |
| * then it means that this smid is free at driver level, |
| * so return NULL. |
| */ |
| if (!mpi_request->DevHandle) |
| return scmd; |
| |
| scmd = scsi_host_find_tag(ioc->shost, unique_tag); |
| if (scmd) { |
| st = scsi_cmd_priv(scmd); |
| if (st->cb_idx == 0xFF || st->smid == 0) |
| scmd = NULL; |
| } |
| } |
| return scmd; |
| } |
| |
| /** |
| * scsih_change_queue_depth - setting device queue depth |
| * @sdev: scsi device struct |
| * @qdepth: requested queue depth |
| * |
| * Return: queue depth. |
| */ |
| static int |
| scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) |
| { |
| struct Scsi_Host *shost = sdev->host; |
| int max_depth; |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| |
| max_depth = shost->can_queue; |
| |
| /* |
| * limit max device queue for SATA to 32 if enable_sdev_max_qd |
| * is disabled. |
| */ |
| if (ioc->enable_sdev_max_qd) |
| goto not_sata; |
| |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| goto not_sata; |
| sas_target_priv_data = sas_device_priv_data->sas_target; |
| if (!sas_target_priv_data) |
| goto not_sata; |
| if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) |
| goto not_sata; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data); |
| if (sas_device) { |
| if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) |
| max_depth = MPT3SAS_SATA_QUEUE_DEPTH; |
| |
| sas_device_put(sas_device); |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| not_sata: |
| |
| if (!sdev->tagged_supported) |
| max_depth = 1; |
| if (qdepth > max_depth) |
| qdepth = max_depth; |
| scsi_change_queue_depth(sdev, qdepth); |
| sdev_printk(KERN_INFO, sdev, |
| "qdepth(%d), tagged(%d), scsi_level(%d), cmd_que(%d)\n", |
| sdev->queue_depth, sdev->tagged_supported, |
| sdev->scsi_level, ((sdev->inquiry[7] & 2) >> 1)); |
| return sdev->queue_depth; |
| } |
| |
| /** |
| * mpt3sas_scsih_change_queue_depth - setting device queue depth |
| * @sdev: scsi device struct |
| * @qdepth: requested queue depth |
| * |
| * Returns nothing. |
| */ |
| void |
| mpt3sas_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) |
| { |
| struct Scsi_Host *shost = sdev->host; |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| |
| if (ioc->enable_sdev_max_qd) |
| qdepth = shost->can_queue; |
| |
| scsih_change_queue_depth(sdev, qdepth); |
| } |
| |
| /** |
| * scsih_target_alloc - target add routine |
| * @starget: scsi target struct |
| * |
| * Return: 0 if ok. Any other return is assumed to be an error and |
| * the device is ignored. |
| */ |
| static int |
| scsih_target_alloc(struct scsi_target *starget) |
| { |
| struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| struct _sas_device *sas_device; |
| struct _raid_device *raid_device; |
| struct _pcie_device *pcie_device; |
| unsigned long flags; |
| struct sas_rphy *rphy; |
| |
| sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data), |
| GFP_KERNEL); |
| if (!sas_target_priv_data) |
| return -ENOMEM; |
| |
| starget->hostdata = sas_target_priv_data; |
| sas_target_priv_data->starget = starget; |
| sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE; |
| |
| /* RAID volumes */ |
| if (starget->channel == RAID_CHANNEL) { |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, |
| starget->channel); |
| if (raid_device) { |
| sas_target_priv_data->handle = raid_device->handle; |
| sas_target_priv_data->sas_address = raid_device->wwid; |
| sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; |
| if (ioc->is_warpdrive) |
| sas_target_priv_data->raid_device = raid_device; |
| raid_device->starget = starget; |
| } |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| return 0; |
| } |
| |
| /* PCIe devices */ |
| if (starget->channel == PCIE_CHANNEL) { |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_by_idchannel(ioc, starget->id, |
| starget->channel); |
| if (pcie_device) { |
| sas_target_priv_data->handle = pcie_device->handle; |
| sas_target_priv_data->sas_address = pcie_device->wwid; |
| sas_target_priv_data->pcie_dev = pcie_device; |
| pcie_device->starget = starget; |
| pcie_device->id = starget->id; |
| pcie_device->channel = starget->channel; |
| sas_target_priv_data->flags |= |
| MPT_TARGET_FLAGS_PCIE_DEVICE; |
| if (pcie_device->fast_path) |
| sas_target_priv_data->flags |= |
| MPT_TARGET_FASTPATH_IO; |
| } |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| return 0; |
| } |
| |
| /* sas/sata devices */ |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| rphy = dev_to_rphy(starget->dev.parent); |
| sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
| rphy->identify.sas_address); |
| |
| if (sas_device) { |
| sas_target_priv_data->handle = sas_device->handle; |
| sas_target_priv_data->sas_address = sas_device->sas_address; |
| sas_target_priv_data->sas_dev = sas_device; |
| sas_device->starget = starget; |
| sas_device->id = starget->id; |
| sas_device->channel = starget->channel; |
| if (test_bit(sas_device->handle, ioc->pd_handles)) |
| sas_target_priv_data->flags |= |
| MPT_TARGET_FLAGS_RAID_COMPONENT; |
| if (sas_device->fast_path) |
| sas_target_priv_data->flags |= |
| MPT_TARGET_FASTPATH_IO; |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| return 0; |
| } |
| |
| /** |
| * scsih_target_destroy - target destroy routine |
| * @starget: scsi target struct |
| */ |
| static void |
| scsih_target_destroy(struct scsi_target *starget) |
| { |
| struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| struct _sas_device *sas_device; |
| struct _raid_device *raid_device; |
| struct _pcie_device *pcie_device; |
| unsigned long flags; |
| |
| sas_target_priv_data = starget->hostdata; |
| if (!sas_target_priv_data) |
| return; |
| |
| if (starget->channel == RAID_CHANNEL) { |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, |
| starget->channel); |
| if (raid_device) { |
| raid_device->starget = NULL; |
| raid_device->sdev = NULL; |
| } |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| goto out; |
| } |
| |
| if (starget->channel == PCIE_CHANNEL) { |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_from_target(ioc, |
| sas_target_priv_data); |
| if (pcie_device && (pcie_device->starget == starget) && |
| (pcie_device->id == starget->id) && |
| (pcie_device->channel == starget->channel)) |
| pcie_device->starget = NULL; |
| |
| if (pcie_device) { |
| /* |
| * Corresponding get() is in _scsih_target_alloc() |
| */ |
| sas_target_priv_data->pcie_dev = NULL; |
| pcie_device_put(pcie_device); |
| pcie_device_put(pcie_device); |
| } |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| goto out; |
| } |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data); |
| if (sas_device && (sas_device->starget == starget) && |
| (sas_device->id == starget->id) && |
| (sas_device->channel == starget->channel)) |
| sas_device->starget = NULL; |
| |
| if (sas_device) { |
| /* |
| * Corresponding get() is in _scsih_target_alloc() |
| */ |
| sas_target_priv_data->sas_dev = NULL; |
| sas_device_put(sas_device); |
| |
| sas_device_put(sas_device); |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| out: |
| kfree(sas_target_priv_data); |
| starget->hostdata = NULL; |
| } |
| |
| /** |
| * scsih_slave_alloc - device add routine |
| * @sdev: scsi device struct |
| * |
| * Return: 0 if ok. Any other return is assumed to be an error and |
| * the device is ignored. |
| */ |
| static int |
| scsih_slave_alloc(struct scsi_device *sdev) |
| { |
| struct Scsi_Host *shost; |
| struct MPT3SAS_ADAPTER *ioc; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct scsi_target *starget; |
| struct _raid_device *raid_device; |
| struct _sas_device *sas_device; |
| struct _pcie_device *pcie_device; |
| unsigned long flags; |
| |
| sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data), |
| GFP_KERNEL); |
| if (!sas_device_priv_data) |
| return -ENOMEM; |
| |
| sas_device_priv_data->lun = sdev->lun; |
| sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT; |
| |
| starget = scsi_target(sdev); |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->num_luns++; |
| sas_device_priv_data->sas_target = sas_target_priv_data; |
| sdev->hostdata = sas_device_priv_data; |
| if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT)) |
| sdev->no_uld_attach = 1; |
| |
| shost = dev_to_shost(&starget->dev); |
| ioc = shost_priv(shost); |
| if (starget->channel == RAID_CHANNEL) { |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_id(ioc, |
| starget->id, starget->channel); |
| if (raid_device) |
| raid_device->sdev = sdev; /* raid is single lun */ |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| } |
| if (starget->channel == PCIE_CHANNEL) { |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, |
| sas_target_priv_data->sas_address); |
| if (pcie_device && (pcie_device->starget == NULL)) { |
| sdev_printk(KERN_INFO, sdev, |
| "%s : pcie_device->starget set to starget @ %d\n", |
| __func__, __LINE__); |
| pcie_device->starget = starget; |
| } |
| |
| if (pcie_device) |
| pcie_device_put(pcie_device); |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| |
| } else if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
| sas_target_priv_data->sas_address); |
| if (sas_device && (sas_device->starget == NULL)) { |
| sdev_printk(KERN_INFO, sdev, |
| "%s : sas_device->starget set to starget @ %d\n", |
| __func__, __LINE__); |
| sas_device->starget = starget; |
| } |
| |
| if (sas_device) |
| sas_device_put(sas_device); |
| |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * scsih_slave_destroy - device destroy routine |
| * @sdev: scsi device struct |
| */ |
| static void |
| scsih_slave_destroy(struct scsi_device *sdev) |
| { |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| struct scsi_target *starget; |
| struct Scsi_Host *shost; |
| struct MPT3SAS_ADAPTER *ioc; |
| struct _sas_device *sas_device; |
| struct _pcie_device *pcie_device; |
| unsigned long flags; |
| |
| if (!sdev->hostdata) |
| return; |
| |
| starget = scsi_target(sdev); |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->num_luns--; |
| |
| shost = dev_to_shost(&starget->dev); |
| ioc = shost_priv(shost); |
| |
| if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) { |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_from_target(ioc, |
| sas_target_priv_data); |
| if (pcie_device && !sas_target_priv_data->num_luns) |
| pcie_device->starget = NULL; |
| |
| if (pcie_device) |
| pcie_device_put(pcie_device); |
| |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| |
| } else if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_from_target(ioc, |
| sas_target_priv_data); |
| if (sas_device && !sas_target_priv_data->num_luns) |
| sas_device->starget = NULL; |
| |
| if (sas_device) |
| sas_device_put(sas_device); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } |
| |
| kfree(sdev->hostdata); |
| sdev->hostdata = NULL; |
| } |
| |
| /** |
| * _scsih_display_sata_capabilities - sata capabilities |
| * @ioc: per adapter object |
| * @handle: device handle |
| * @sdev: scsi device struct |
| */ |
| static void |
| _scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc, |
| u16 handle, struct scsi_device *sdev) |
| { |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| u32 ioc_status; |
| u16 flags; |
| u32 device_info; |
| |
| if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| flags = le16_to_cpu(sas_device_pg0.Flags); |
| device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| |
| sdev_printk(KERN_INFO, sdev, |
| "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " |
| "sw_preserve(%s)\n", |
| (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", |
| (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", |
| (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : |
| "n", |
| (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", |
| (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", |
| (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); |
| } |
| |
| /* |
| * raid transport support - |
| * Enabled for SLES11 and newer, in older kernels the driver will panic when |
| * unloading the driver followed by a load - I believe that the subroutine |
| * raid_class_release() is not cleaning up properly. |
| */ |
| |
| /** |
| * scsih_is_raid - return boolean indicating device is raid volume |
| * @dev: the device struct object |
| */ |
| static int |
| scsih_is_raid(struct device *dev) |
| { |
| struct scsi_device *sdev = to_scsi_device(dev); |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host); |
| |
| if (ioc->is_warpdrive) |
| return 0; |
| return (sdev->channel == RAID_CHANNEL) ? 1 : 0; |
| } |
| |
| static int |
| scsih_is_nvme(struct device *dev) |
| { |
| struct scsi_device *sdev = to_scsi_device(dev); |
| |
| return (sdev->channel == PCIE_CHANNEL) ? 1 : 0; |
| } |
| |
| /** |
| * scsih_get_resync - get raid volume resync percent complete |
| * @dev: the device struct object |
| */ |
| static void |
| scsih_get_resync(struct device *dev) |
| { |
| struct scsi_device *sdev = to_scsi_device(dev); |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host); |
| static struct _raid_device *raid_device; |
| unsigned long flags; |
| Mpi2RaidVolPage0_t vol_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u32 volume_status_flags; |
| u8 percent_complete; |
| u16 handle; |
| |
| percent_complete = 0; |
| handle = 0; |
| if (ioc->is_warpdrive) |
| goto out; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, |
| sdev->channel); |
| if (raid_device) { |
| handle = raid_device->handle; |
| percent_complete = raid_device->percent_complete; |
| } |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| |
| if (!handle) |
| goto out; |
| |
| if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, |
| MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, |
| sizeof(Mpi2RaidVolPage0_t))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| percent_complete = 0; |
| goto out; |
| } |
| |
| volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags); |
| if (!(volume_status_flags & |
| MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS)) |
| percent_complete = 0; |
| |
| out: |
| |
| switch (ioc->hba_mpi_version_belonged) { |
| case MPI2_VERSION: |
| raid_set_resync(mpt2sas_raid_template, dev, percent_complete); |
| break; |
| case MPI25_VERSION: |
| case MPI26_VERSION: |
| raid_set_resync(mpt3sas_raid_template, dev, percent_complete); |
| break; |
| } |
| } |
| |
| /** |
| * scsih_get_state - get raid volume level |
| * @dev: the device struct object |
| */ |
| static void |
| scsih_get_state(struct device *dev) |
| { |
| struct scsi_device *sdev = to_scsi_device(dev); |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host); |
| static struct _raid_device *raid_device; |
| unsigned long flags; |
| Mpi2RaidVolPage0_t vol_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u32 volstate; |
| enum raid_state state = RAID_STATE_UNKNOWN; |
| u16 handle = 0; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, |
| sdev->channel); |
| if (raid_device) |
| handle = raid_device->handle; |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| |
| if (!raid_device) |
| goto out; |
| |
| if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, |
| MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, |
| sizeof(Mpi2RaidVolPage0_t))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| |
| volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags); |
| if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { |
| state = RAID_STATE_RESYNCING; |
| goto out; |
| } |
| |
| switch (vol_pg0.VolumeState) { |
| case MPI2_RAID_VOL_STATE_OPTIMAL: |
| case MPI2_RAID_VOL_STATE_ONLINE: |
| state = RAID_STATE_ACTIVE; |
| break; |
| case MPI2_RAID_VOL_STATE_DEGRADED: |
| state = RAID_STATE_DEGRADED; |
| break; |
| case MPI2_RAID_VOL_STATE_FAILED: |
| case MPI2_RAID_VOL_STATE_MISSING: |
| state = RAID_STATE_OFFLINE; |
| break; |
| } |
| out: |
| switch (ioc->hba_mpi_version_belonged) { |
| case MPI2_VERSION: |
| raid_set_state(mpt2sas_raid_template, dev, state); |
| break; |
| case MPI25_VERSION: |
| case MPI26_VERSION: |
| raid_set_state(mpt3sas_raid_template, dev, state); |
| break; |
| } |
| } |
| |
| /** |
| * _scsih_set_level - set raid level |
| * @ioc: ? |
| * @sdev: scsi device struct |
| * @volume_type: volume type |
| */ |
| static void |
| _scsih_set_level(struct MPT3SAS_ADAPTER *ioc, |
| struct scsi_device *sdev, u8 volume_type) |
| { |
| enum raid_level level = RAID_LEVEL_UNKNOWN; |
| |
| switch (volume_type) { |
| case MPI2_RAID_VOL_TYPE_RAID0: |
| level = RAID_LEVEL_0; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID10: |
| level = RAID_LEVEL_10; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID1E: |
| level = RAID_LEVEL_1E; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID1: |
| level = RAID_LEVEL_1; |
| break; |
| } |
| |
| switch (ioc->hba_mpi_version_belonged) { |
| case MPI2_VERSION: |
| raid_set_level(mpt2sas_raid_template, |
| &sdev->sdev_gendev, level); |
| break; |
| case MPI25_VERSION: |
| case MPI26_VERSION: |
| raid_set_level(mpt3sas_raid_template, |
| &sdev->sdev_gendev, level); |
| break; |
| } |
| } |
| |
| |
| /** |
| * _scsih_get_volume_capabilities - volume capabilities |
| * @ioc: per adapter object |
| * @raid_device: the raid_device object |
| * |
| * Return: 0 for success, else 1 |
| */ |
| static int |
| _scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER *ioc, |
| struct _raid_device *raid_device) |
| { |
| Mpi2RaidVolPage0_t *vol_pg0; |
| Mpi2RaidPhysDiskPage0_t pd_pg0; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u16 sz; |
| u8 num_pds; |
| |
| if ((mpt3sas_config_get_number_pds(ioc, raid_device->handle, |
| &num_pds)) || !num_pds) { |
| dfailprintk(ioc, |
| ioc_warn(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__)); |
| return 1; |
| } |
| |
| raid_device->num_pds = num_pds; |
| sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * |
| sizeof(Mpi2RaidVol0PhysDisk_t)); |
| vol_pg0 = kzalloc(sz, GFP_KERNEL); |
| if (!vol_pg0) { |
| dfailprintk(ioc, |
| ioc_warn(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__)); |
| return 1; |
| } |
| |
| if ((mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, |
| MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { |
| dfailprintk(ioc, |
| ioc_warn(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__)); |
| kfree(vol_pg0); |
| return 1; |
| } |
| |
| raid_device->volume_type = vol_pg0->VolumeType; |
| |
| /* figure out what the underlying devices are by |
| * obtaining the device_info bits for the 1st device |
| */ |
| if (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply, |
| &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, |
| vol_pg0->PhysDisk[0].PhysDiskNum))) { |
| if (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, |
| le16_to_cpu(pd_pg0.DevHandle)))) { |
| raid_device->device_info = |
| le32_to_cpu(sas_device_pg0.DeviceInfo); |
| } |
| } |
| |
| kfree(vol_pg0); |
| return 0; |
| } |
| |
| /** |
| * _scsih_enable_tlr - setting TLR flags |
| * @ioc: per adapter object |
| * @sdev: scsi device struct |
| * |
| * Enabling Transaction Layer Retries for tape devices when |
| * vpd page 0x90 is present |
| * |
| */ |
| static void |
| _scsih_enable_tlr(struct MPT3SAS_ADAPTER *ioc, struct scsi_device *sdev) |
| { |
| |
| /* only for TAPE */ |
| if (sdev->type != TYPE_TAPE) |
| return; |
| |
| if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR)) |
| return; |
| |
| sas_enable_tlr(sdev); |
| sdev_printk(KERN_INFO, sdev, "TLR %s\n", |
| sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled"); |
| return; |
| |
| } |
| |
| /** |
| * scsih_slave_configure - device configure routine. |
| * @sdev: scsi device struct |
| * |
| * Return: 0 if ok. Any other return is assumed to be an error and |
| * the device is ignored. |
| */ |
| static int |
| scsih_slave_configure(struct scsi_device *sdev) |
| { |
| struct Scsi_Host *shost = sdev->host; |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| struct _sas_device *sas_device; |
| struct _pcie_device *pcie_device; |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| int qdepth; |
| u8 ssp_target = 0; |
| char *ds = ""; |
| char *r_level = ""; |
| u16 handle, volume_handle = 0; |
| u64 volume_wwid = 0; |
| |
| qdepth = 1; |
| sas_device_priv_data = sdev->hostdata; |
| sas_device_priv_data->configured_lun = 1; |
| sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; |
| sas_target_priv_data = sas_device_priv_data->sas_target; |
| handle = sas_target_priv_data->handle; |
| |
| /* raid volume handling */ |
| if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| if (!raid_device) { |
| dfailprintk(ioc, |
| ioc_warn(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__)); |
| return 1; |
| } |
| |
| if (_scsih_get_volume_capabilities(ioc, raid_device)) { |
| dfailprintk(ioc, |
| ioc_warn(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__)); |
| return 1; |
| } |
| |
| /* |
| * WARPDRIVE: Initialize the required data for Direct IO |
| */ |
| mpt3sas_init_warpdrive_properties(ioc, raid_device); |
| |
| /* RAID Queue Depth Support |
| * IS volume = underlying qdepth of drive type, either |
| * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH |
| * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH) |
| */ |
| if (raid_device->device_info & |
| MPI2_SAS_DEVICE_INFO_SSP_TARGET) { |
| qdepth = MPT3SAS_SAS_QUEUE_DEPTH; |
| ds = "SSP"; |
| } else { |
| qdepth = MPT3SAS_SATA_QUEUE_DEPTH; |
| if (raid_device->device_info & |
| MPI2_SAS_DEVICE_INFO_SATA_DEVICE) |
| ds = "SATA"; |
| else |
| ds = "STP"; |
| } |
| |
| switch (raid_device->volume_type) { |
| case MPI2_RAID_VOL_TYPE_RAID0: |
| r_level = "RAID0"; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID1E: |
| qdepth = MPT3SAS_RAID_QUEUE_DEPTH; |
| if (ioc->manu_pg10.OEMIdentifier && |
| (le32_to_cpu(ioc->manu_pg10.GenericFlags0) & |
| MFG10_GF0_R10_DISPLAY) && |
| !(raid_device->num_pds % 2)) |
| r_level = "RAID10"; |
| else |
| r_level = "RAID1E"; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID1: |
| qdepth = MPT3SAS_RAID_QUEUE_DEPTH; |
| r_level = "RAID1"; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID10: |
| qdepth = MPT3SAS_RAID_QUEUE_DEPTH; |
| r_level = "RAID10"; |
| break; |
| case MPI2_RAID_VOL_TYPE_UNKNOWN: |
| default: |
| qdepth = MPT3SAS_RAID_QUEUE_DEPTH; |
| r_level = "RAIDX"; |
| break; |
| } |
| |
| if (!ioc->hide_ir_msg) |
| sdev_printk(KERN_INFO, sdev, |
| "%s: handle(0x%04x), wwid(0x%016llx)," |
| " pd_count(%d), type(%s)\n", |
| r_level, raid_device->handle, |
| (unsigned long long)raid_device->wwid, |
| raid_device->num_pds, ds); |
| |
| if (shost->max_sectors > MPT3SAS_RAID_MAX_SECTORS) { |
| blk_queue_max_hw_sectors(sdev->request_queue, |
| MPT3SAS_RAID_MAX_SECTORS); |
| sdev_printk(KERN_INFO, sdev, |
| "Set queue's max_sector to: %u\n", |
| MPT3SAS_RAID_MAX_SECTORS); |
| } |
| |
| mpt3sas_scsih_change_queue_depth(sdev, qdepth); |
| |
| /* raid transport support */ |
| if (!ioc->is_warpdrive) |
| _scsih_set_level(ioc, sdev, raid_device->volume_type); |
| return 0; |
| } |
| |
| /* non-raid handling */ |
| if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) { |
| if (mpt3sas_config_get_volume_handle(ioc, handle, |
| &volume_handle)) { |
| dfailprintk(ioc, |
| ioc_warn(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__)); |
| return 1; |
| } |
| if (volume_handle && mpt3sas_config_get_volume_wwid(ioc, |
| volume_handle, &volume_wwid)) { |
| dfailprintk(ioc, |
| ioc_warn(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__)); |
| return 1; |
| } |
| } |
| |
| /* PCIe handling */ |
| if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) { |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, |
| sas_device_priv_data->sas_target->sas_address); |
| if (!pcie_device) { |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| dfailprintk(ioc, |
| ioc_warn(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__)); |
| return 1; |
| } |
| |
| qdepth = MPT3SAS_NVME_QUEUE_DEPTH; |
| ds = "NVMe"; |
| sdev_printk(KERN_INFO, sdev, |
| "%s: handle(0x%04x), wwid(0x%016llx), port(%d)\n", |
| ds, handle, (unsigned long long)pcie_device->wwid, |
| pcie_device->port_num); |
| if (pcie_device->enclosure_handle != 0) |
| sdev_printk(KERN_INFO, sdev, |
| "%s: enclosure logical id(0x%016llx), slot(%d)\n", |
| ds, |
| (unsigned long long)pcie_device->enclosure_logical_id, |
| pcie_device->slot); |
| if (pcie_device->connector_name[0] != '\0') |
| sdev_printk(KERN_INFO, sdev, |
| "%s: enclosure level(0x%04x)," |
| "connector name( %s)\n", ds, |
| pcie_device->enclosure_level, |
| pcie_device->connector_name); |
| |
| if (pcie_device->nvme_mdts) |
| blk_queue_max_hw_sectors(sdev->request_queue, |
| pcie_device->nvme_mdts/512); |
| |
| pcie_device_put(pcie_device); |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| mpt3sas_scsih_change_queue_depth(sdev, qdepth); |
| /* Enable QUEUE_FLAG_NOMERGES flag, so that IOs won't be |
| ** merged and can eliminate holes created during merging |
| ** operation. |
| **/ |
| blk_queue_flag_set(QUEUE_FLAG_NOMERGES, |
| sdev->request_queue); |
| blk_queue_virt_boundary(sdev->request_queue, |
| ioc->page_size - 1); |
| return 0; |
| } |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
| sas_device_priv_data->sas_target->sas_address); |
| if (!sas_device) { |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| dfailprintk(ioc, |
| ioc_warn(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__)); |
| return 1; |
| } |
| |
| sas_device->volume_handle = volume_handle; |
| sas_device->volume_wwid = volume_wwid; |
| if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { |
| qdepth = MPT3SAS_SAS_QUEUE_DEPTH; |
| ssp_target = 1; |
| if (sas_device->device_info & |
| MPI2_SAS_DEVICE_INFO_SEP) { |
| sdev_printk(KERN_WARNING, sdev, |
| "set ignore_delay_remove for handle(0x%04x)\n", |
| sas_device_priv_data->sas_target->handle); |
| sas_device_priv_data->ignore_delay_remove = 1; |
| ds = "SES"; |
| } else |
| ds = "SSP"; |
| } else { |
| qdepth = MPT3SAS_SATA_QUEUE_DEPTH; |
| if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
| ds = "STP"; |
| else if (sas_device->device_info & |
| MPI2_SAS_DEVICE_INFO_SATA_DEVICE) |
| ds = "SATA"; |
| } |
| |
| sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " \ |
| "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n", |
| ds, handle, (unsigned long long)sas_device->sas_address, |
| sas_device->phy, (unsigned long long)sas_device->device_name); |
| |
| _scsih_display_enclosure_chassis_info(NULL, sas_device, sdev, NULL); |
| |
| sas_device_put(sas_device); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| if (!ssp_target) |
| _scsih_display_sata_capabilities(ioc, handle, sdev); |
| |
| |
| mpt3sas_scsih_change_queue_depth(sdev, qdepth); |
| |
| if (ssp_target) { |
| sas_read_port_mode_page(sdev); |
| _scsih_enable_tlr(ioc, sdev); |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * scsih_bios_param - fetch head, sector, cylinder info for a disk |
| * @sdev: scsi device struct |
| * @bdev: pointer to block device context |
| * @capacity: device size (in 512 byte sectors) |
| * @params: three element array to place output: |
| * params[0] number of heads (max 255) |
| * params[1] number of sectors (max 63) |
| * params[2] number of cylinders |
| */ |
| static int |
| scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, |
| sector_t capacity, int params[]) |
| { |
| int heads; |
| int sectors; |
| sector_t cylinders; |
| ulong dummy; |
| |
| heads = 64; |
| sectors = 32; |
| |
| dummy = heads * sectors; |
| cylinders = capacity; |
| sector_div(cylinders, dummy); |
| |
| /* |
| * Handle extended translation size for logical drives |
| * > 1Gb |
| */ |
| if ((ulong)capacity >= 0x200000) { |
| heads = 255; |
| sectors = 63; |
| dummy = heads * sectors; |
| cylinders = capacity; |
| sector_div(cylinders, dummy); |
| } |
| |
| /* return result */ |
| params[0] = heads; |
| params[1] = sectors; |
| params[2] = cylinders; |
| |
| return 0; |
| } |
| |
| /** |
| * _scsih_response_code - translation of device response code |
| * @ioc: per adapter object |
| * @response_code: response code returned by the device |
| */ |
| static void |
| _scsih_response_code(struct MPT3SAS_ADAPTER *ioc, u8 response_code) |
| { |
| char *desc; |
| |
| switch (response_code) { |
| case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: |
| desc = "task management request completed"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: |
| desc = "invalid frame"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: |
| desc = "task management request not supported"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_TM_FAILED: |
| desc = "task management request failed"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: |
| desc = "task management request succeeded"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: |
| desc = "invalid lun"; |
| break; |
| case 0xA: |
| desc = "overlapped tag attempted"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: |
| desc = "task queued, however not sent to target"; |
| break; |
| default: |
| desc = "unknown"; |
| break; |
| } |
| ioc_warn(ioc, "response_code(0x%01x): %s\n", response_code, desc); |
| } |
| |
| /** |
| * _scsih_tm_done - tm completion routine |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * Context: none. |
| * |
| * The callback handler when using scsih_issue_tm. |
| * |
| * Return: 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_tm_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
| { |
| MPI2DefaultReply_t *mpi_reply; |
| |
| if (ioc->tm_cmds.status == MPT3_CMD_NOT_USED) |
| return 1; |
| if (ioc->tm_cmds.smid != smid) |
| return 1; |
| ioc->tm_cmds.status |= MPT3_CMD_COMPLETE; |
| mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| if (mpi_reply) { |
| memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); |
| ioc->tm_cmds.status |= MPT3_CMD_REPLY_VALID; |
| } |
| ioc->tm_cmds.status &= ~MPT3_CMD_PENDING; |
| complete(&ioc->tm_cmds.done); |
| return 1; |
| } |
| |
| /** |
| * mpt3sas_scsih_set_tm_flag - set per target tm_busy |
| * @ioc: per adapter object |
| * @handle: device handle |
| * |
| * During taskmangement request, we need to freeze the device queue. |
| */ |
| void |
| mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| u8 skip = 0; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| if (skip) |
| continue; |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| continue; |
| if (sas_device_priv_data->sas_target->handle == handle) { |
| sas_device_priv_data->sas_target->tm_busy = 1; |
| skip = 1; |
| ioc->ignore_loginfos = 1; |
| } |
| } |
| } |
| |
| /** |
| * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy |
| * @ioc: per adapter object |
| * @handle: device handle |
| * |
| * During taskmangement request, we need to freeze the device queue. |
| */ |
| void |
| mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| u8 skip = 0; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| if (skip) |
| continue; |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| continue; |
| if (sas_device_priv_data->sas_target->handle == handle) { |
| sas_device_priv_data->sas_target->tm_busy = 0; |
| skip = 1; |
| ioc->ignore_loginfos = 0; |
| } |
| } |
| } |
| |
| /** |
| * scsih_tm_cmd_map_status - map the target reset & LUN reset TM status |
| * @ioc - per adapter object |
| * @channel - the channel assigned by the OS |
| * @id: the id assigned by the OS |
| * @lun: lun number |
| * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) |
| * @smid_task: smid assigned to the task |
| * |
| * Look whether TM has aborted the timed out SCSI command, if |
| * TM has aborted the IO then return SUCCESS else return FAILED. |
| */ |
| static int |
| scsih_tm_cmd_map_status(struct MPT3SAS_ADAPTER *ioc, uint channel, |
| uint id, uint lun, u8 type, u16 smid_task) |
| { |
| |
| if (smid_task <= ioc->shost->can_queue) { |
| switch (type) { |
| case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: |
| if (!(_scsih_scsi_lookup_find_by_target(ioc, |
| id, channel))) |
| return SUCCESS; |
| break; |
| case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: |
| case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: |
| if (!(_scsih_scsi_lookup_find_by_lun(ioc, id, |
| lun, channel))) |
| return SUCCESS; |
| break; |
| default: |
| return SUCCESS; |
| } |
| } else if (smid_task == ioc->scsih_cmds.smid) { |
| if ((ioc->scsih_cmds.status & MPT3_CMD_COMPLETE) || |
| (ioc->scsih_cmds.status & MPT3_CMD_NOT_USED)) |
| return SUCCESS; |
| } else if (smid_task == ioc->ctl_cmds.smid) { |
| if ((ioc->ctl_cmds.status & MPT3_CMD_COMPLETE) || |
| (ioc->ctl_cmds.status & MPT3_CMD_NOT_USED)) |
| return SUCCESS; |
| } |
| |
| return FAILED; |
| } |
| |
| /** |
| * scsih_tm_post_processing - post processing of target & LUN reset |
| * @ioc - per adapter object |
| * @handle: device handle |
| * @channel - the channel assigned by the OS |
| * @id: the id assigned by the OS |
| * @lun: lun number |
| * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) |
| * @smid_task: smid assigned to the task |
| * |
| * Post processing of target & LUN reset. Due to interrupt latency |
| * issue it possible that interrupt for aborted IO might not be |
| * received yet. So before returning failure status, poll the |
| * reply descriptor pools for the reply of timed out SCSI command. |
| * Return FAILED status if reply for timed out is not received |
| * otherwise return SUCCESS. |
| */ |
| static int |
| scsih_tm_post_processing(struct MPT3SAS_ADAPTER *ioc, u16 handle, |
| uint channel, uint id, uint lun, u8 type, u16 smid_task) |
| { |
| int rc; |
| |
| rc = scsih_tm_cmd_map_status(ioc, channel, id, lun, type, smid_task); |
| if (rc == SUCCESS) |
| return rc; |
| |
| ioc_info(ioc, |
| "Poll ReplyDescriptor queues for completion of" |
| " smid(%d), task_type(0x%02x), handle(0x%04x)\n", |
| smid_task, type, handle); |
| |
| /* |
| * Due to interrupt latency issues, driver may receive interrupt for |
| * TM first and then for aborted SCSI IO command. So, poll all the |
| * ReplyDescriptor pools before returning the FAILED status to SML. |
| */ |
| mpt3sas_base_mask_interrupts(ioc); |
| mpt3sas_base_sync_reply_irqs(ioc, 1); |
| mpt3sas_base_unmask_interrupts(ioc); |
| |
| return scsih_tm_cmd_map_status(ioc, channel, id, lun, type, smid_task); |
| } |
| |
| /** |
| * mpt3sas_scsih_issue_tm - main routine for sending tm requests |
| * @ioc: per adapter struct |
| * @handle: device handle |
| * @channel: the channel assigned by the OS |
| * @id: the id assigned by the OS |
| * @lun: lun number |
| * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) |
| * @smid_task: smid assigned to the task |
| * @msix_task: MSIX table index supplied by the OS |
| * @timeout: timeout in seconds |
| * @tr_method: Target Reset Method |
| * Context: user |
| * |
| * A generic API for sending task management requests to firmware. |
| * |
| * The callback index is set inside `ioc->tm_cb_idx`. |
| * The caller is responsible to check for outstanding commands. |
| * |
| * Return: SUCCESS or FAILED. |
| */ |
| int |
| mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel, |
| uint id, u64 lun, u8 type, u16 smid_task, u16 msix_task, |
| u8 timeout, u8 tr_method) |
| { |
| Mpi2SCSITaskManagementRequest_t *mpi_request; |
| Mpi2SCSITaskManagementReply_t *mpi_reply; |
| Mpi25SCSIIORequest_t *request; |
| u16 smid = 0; |
| u32 ioc_state; |
| int rc; |
| u8 issue_reset = 0; |
| |
| lockdep_assert_held(&ioc->tm_cmds.mutex); |
| |
| if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) { |
| ioc_info(ioc, "%s: tm_cmd busy!!!\n", __func__); |
| return FAILED; |
| } |
| |
| if (ioc->shost_recovery || ioc->remove_host || |
| ioc->pci_error_recovery) { |
| ioc_info(ioc, "%s: host reset in progress!\n", __func__); |
| return FAILED; |
| } |
| |
| ioc_state = mpt3sas_base_get_iocstate(ioc, 0); |
| if (ioc_state & MPI2_DOORBELL_USED) { |
| dhsprintk(ioc, ioc_info(ioc, "unexpected doorbell active!\n")); |
| rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
| return (!rc) ? SUCCESS : FAILED; |
| } |
| |
| if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { |
| mpt3sas_print_fault_code(ioc, ioc_state & |
| MPI2_DOORBELL_DATA_MASK); |
| rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
| return (!rc) ? SUCCESS : FAILED; |
| } else if ((ioc_state & MPI2_IOC_STATE_MASK) == |
| MPI2_IOC_STATE_COREDUMP) { |
| mpt3sas_print_coredump_info(ioc, ioc_state & |
| MPI2_DOORBELL_DATA_MASK); |
| rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
| return (!rc) ? SUCCESS : FAILED; |
| } |
| |
| smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx); |
| if (!smid) { |
| ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); |
| return FAILED; |
| } |
| |
| dtmprintk(ioc, |
| ioc_info(ioc, "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d), timeout(%d), tr_method(0x%x)\n", |
| handle, type, smid_task, timeout, tr_method)); |
| ioc->tm_cmds.status = MPT3_CMD_PENDING; |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| ioc->tm_cmds.smid = smid; |
| memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); |
| memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t)); |
| mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; |
| mpi_request->DevHandle = cpu_to_le16(handle); |
| mpi_request->TaskType = type; |
| if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK || |
| type == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) |
| mpi_request->MsgFlags = tr_method; |
| mpi_request->TaskMID = cpu_to_le16(smid_task); |
| int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); |
| mpt3sas_scsih_set_tm_flag(ioc, handle); |
| init_completion(&ioc->tm_cmds.done); |
| ioc->put_smid_hi_priority(ioc, smid, msix_task); |
| wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); |
| if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) { |
| mpt3sas_check_cmd_timeout(ioc, |
| ioc->tm_cmds.status, mpi_request, |
| sizeof(Mpi2SCSITaskManagementRequest_t)/4, issue_reset); |
| if (issue_reset) { |
| rc = mpt3sas_base_hard_reset_handler(ioc, |
| FORCE_BIG_HAMMER); |
| rc = (!rc) ? SUCCESS : FAILED; |
| goto out; |
| } |
| } |
| |
| /* sync IRQs in case those were busy during flush. */ |
| mpt3sas_base_sync_reply_irqs(ioc, 0); |
| |
| if (ioc->tm_cmds.status & MPT3_CMD_REPLY_VALID) { |
| mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT); |
| mpi_reply = ioc->tm_cmds.reply; |
| dtmprintk(ioc, |
| ioc_info(ioc, "complete tm: ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n", |
| le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo), |
| le32_to_cpu(mpi_reply->TerminationCount))); |
| if (ioc->logging_level & MPT_DEBUG_TM) { |
| _scsih_response_code(ioc, mpi_reply->ResponseCode); |
| if (mpi_reply->IOCStatus) |
| _debug_dump_mf(mpi_request, |
| sizeof(Mpi2SCSITaskManagementRequest_t)/4); |
| } |
| } |
| |
| switch (type) { |
| case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: |
| rc = SUCCESS; |
| /* |
| * If DevHandle filed in smid_task's entry of request pool |
| * doesn't match with device handle on which this task abort |
| * TM is received then it means that TM has successfully |
| * aborted the timed out command. Since smid_task's entry in |
| * request pool will be memset to zero once the timed out |
| * command is returned to the SML. If the command is not |
| * aborted then smid_task’s entry won’t be cleared and it |
| * will have same DevHandle value on which this task abort TM |
| * is received and driver will return the TM status as FAILED. |
| */ |
| request = mpt3sas_base_get_msg_frame(ioc, smid_task); |
| if (le16_to_cpu(request->DevHandle) != handle) |
| break; |
| |
| ioc_info(ioc, "Task abort tm failed: handle(0x%04x)," |
| "timeout(%d) tr_method(0x%x) smid(%d) msix_index(%d)\n", |
| handle, timeout, tr_method, smid_task, msix_task); |
| rc = FAILED; |
| break; |
| |
| case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: |
| case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: |
| case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: |
| rc = scsih_tm_post_processing(ioc, handle, channel, id, lun, |
| type, smid_task); |
| break; |
| case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: |
| rc = SUCCESS; |
| break; |
| default: |
| rc = FAILED; |
| break; |
| } |
| |
| out: |
| mpt3sas_scsih_clear_tm_flag(ioc, handle); |
| ioc->tm_cmds.status = MPT3_CMD_NOT_USED; |
| return rc; |
| } |
| |
| int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, |
| uint channel, uint id, u64 lun, u8 type, u16 smid_task, |
| u16 msix_task, u8 timeout, u8 tr_method) |
| { |
| int ret; |
| |
| mutex_lock(&ioc->tm_cmds.mutex); |
| ret = mpt3sas_scsih_issue_tm(ioc, handle, channel, id, lun, type, |
| smid_task, msix_task, timeout, tr_method); |
| mutex_unlock(&ioc->tm_cmds.mutex); |
| |
| return ret; |
| } |
| |
| /** |
| * _scsih_tm_display_info - displays info about the device |
| * @ioc: per adapter struct |
| * @scmd: pointer to scsi command object |
| * |
| * Called by task management callback handlers. |
| */ |
| static void |
| _scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) |
| { |
| struct scsi_target *starget = scmd->device->sdev_target; |
| struct MPT3SAS_TARGET *priv_target = starget->hostdata; |
| struct _sas_device *sas_device = NULL; |
| struct _pcie_device *pcie_device = NULL; |
| unsigned long flags; |
| char *device_str = NULL; |
| |
| if (!priv_target) |
| return; |
| if (ioc->hide_ir_msg) |
| device_str = "WarpDrive"; |
| else |
| device_str = "volume"; |
| |
| scsi_print_command(scmd); |
| if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { |
| starget_printk(KERN_INFO, starget, |
| "%s handle(0x%04x), %s wwid(0x%016llx)\n", |
| device_str, priv_target->handle, |
| device_str, (unsigned long long)priv_target->sas_address); |
| |
| } else if (priv_target->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) { |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_from_target(ioc, priv_target); |
| if (pcie_device) { |
| starget_printk(KERN_INFO, starget, |
| "handle(0x%04x), wwid(0x%016llx), port(%d)\n", |
| pcie_device->handle, |
| (unsigned long long)pcie_device->wwid, |
| pcie_device->port_num); |
| if (pcie_device->enclosure_handle != 0) |
| starget_printk(KERN_INFO, starget, |
| "enclosure logical id(0x%016llx), slot(%d)\n", |
| (unsigned long long) |
| pcie_device->enclosure_logical_id, |
| pcie_device->slot); |
| if (pcie_device->connector_name[0] != '\0') |
| starget_printk(KERN_INFO, starget, |
| "enclosure level(0x%04x), connector name( %s)\n", |
| pcie_device->enclosure_level, |
| pcie_device->connector_name); |
| pcie_device_put(pcie_device); |
| } |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| |
| } else { |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target); |
| if (sas_device) { |
| if (priv_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) { |
| starget_printk(KERN_INFO, starget, |
| "volume handle(0x%04x), " |
| "volume wwid(0x%016llx)\n", |
| sas_device->volume_handle, |
| (unsigned long long)sas_device->volume_wwid); |
| } |
| starget_printk(KERN_INFO, starget, |
| "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n", |
| sas_device->handle, |
| (unsigned long long)sas_device->sas_address, |
| sas_device->phy); |
| |
| _scsih_display_enclosure_chassis_info(NULL, sas_device, |
| NULL, starget); |
| |
| sas_device_put(sas_device); |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } |
| } |
| |
| /** |
| * scsih_abort - eh threads main abort routine |
| * @scmd: pointer to scsi command object |
| * |
| * Return: SUCCESS if command aborted else FAILED |
| */ |
| static int |
| scsih_abort(struct scsi_cmnd *scmd) |
| { |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct scsiio_tracker *st = scsi_cmd_priv(scmd); |
| u16 handle; |
| int r; |
| |
| u8 timeout = 30; |
| struct _pcie_device *pcie_device = NULL; |
| sdev_printk(KERN_INFO, scmd->device, "attempting task abort!" |
| "scmd(0x%p), outstanding for %u ms & timeout %u ms\n", |
| scmd, jiffies_to_msecs(jiffies - scmd->jiffies_at_alloc), |
| (scmd->request->timeout / HZ) * 1000); |
| _scsih_tm_display_info(ioc, scmd); |
| |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target || |
| ioc->remove_host) { |
| sdev_printk(KERN_INFO, scmd->device, |
| "device been deleted! scmd(0x%p)\n", scmd); |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| r = SUCCESS; |
| goto out; |
| } |
| |
| /* check for completed command */ |
| if (st == NULL || st->cb_idx == 0xFF) { |
| sdev_printk(KERN_INFO, scmd->device, "No reference found at " |
| "driver, assuming scmd(0x%p) might have completed\n", scmd); |
| scmd->result = DID_RESET << 16; |
| r = SUCCESS; |
| goto out; |
| } |
| |
| /* for hidden raid components and volumes this is not supported */ |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT || |
| sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) { |
| scmd->result = DID_RESET << 16; |
| r = FAILED; |
| goto out; |
| } |
| |
| mpt3sas_halt_firmware(ioc); |
| |
| handle = sas_device_priv_data->sas_target->handle; |
| pcie_device = mpt3sas_get_pdev_by_handle(ioc, handle); |
| if (pcie_device && (!ioc->tm_custom_handling) && |
| (!(mpt3sas_scsih_is_pcie_scsi_device(pcie_device->device_info)))) |
| timeout = ioc->nvme_abort_timeout; |
| r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel, |
| scmd->device->id, scmd->device->lun, |
| MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, |
| st->smid, st->msix_io, timeout, 0); |
| /* Command must be cleared after abort */ |
| if (r == SUCCESS && st->cb_idx != 0xFF) |
| r = FAILED; |
| out: |
| sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(0x%p)\n", |
| ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
| if (pcie_device) |
| pcie_device_put(pcie_device); |
| return r; |
| } |
| |
| /** |
| * scsih_dev_reset - eh threads main device reset routine |
| * @scmd: pointer to scsi command object |
| * |
| * Return: SUCCESS if command aborted else FAILED |
| */ |
| static int |
| scsih_dev_reset(struct scsi_cmnd *scmd) |
| { |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct _sas_device *sas_device = NULL; |
| struct _pcie_device *pcie_device = NULL; |
| u16 handle; |
| u8 tr_method = 0; |
| u8 tr_timeout = 30; |
| int r; |
| |
| struct scsi_target *starget = scmd->device->sdev_target; |
| struct MPT3SAS_TARGET *target_priv_data = starget->hostdata; |
| |
| sdev_printk(KERN_INFO, scmd->device, |
| "attempting device reset! scmd(0x%p)\n", scmd); |
| _scsih_tm_display_info(ioc, scmd); |
| |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target || |
| ioc->remove_host) { |
| sdev_printk(KERN_INFO, scmd->device, |
| "device been deleted! scmd(0x%p)\n", scmd); |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| r = SUCCESS; |
| goto out; |
| } |
| |
| /* for hidden raid components obtain the volume_handle */ |
| handle = 0; |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) { |
| sas_device = mpt3sas_get_sdev_from_target(ioc, |
| target_priv_data); |
| if (sas_device) |
| handle = sas_device->volume_handle; |
| } else |
| handle = sas_device_priv_data->sas_target->handle; |
| |
| if (!handle) { |
| scmd->result = DID_RESET << 16; |
| r = FAILED; |
| goto out; |
| } |
| |
| pcie_device = mpt3sas_get_pdev_by_handle(ioc, handle); |
| |
| if (pcie_device && (!ioc->tm_custom_handling) && |
| (!(mpt3sas_scsih_is_pcie_scsi_device(pcie_device->device_info)))) { |
| tr_timeout = pcie_device->reset_timeout; |
| tr_method = MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE; |
| } else |
| tr_method = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; |
| |
| r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel, |
| scmd->device->id, scmd->device->lun, |
| MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 0, |
| tr_timeout, tr_method); |
| /* Check for busy commands after reset */ |
| if (r == SUCCESS && atomic_read(&scmd->device->device_busy)) |
| r = FAILED; |
| out: |
| sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(0x%p)\n", |
| ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
| |
| if (sas_device) |
| sas_device_put(sas_device); |
| if (pcie_device) |
| pcie_device_put(pcie_device); |
| |
| return r; |
| } |
| |
| /** |
| * scsih_target_reset - eh threads main target reset routine |
| * @scmd: pointer to scsi command object |
| * |
| * Return: SUCCESS if command aborted else FAILED |
| */ |
| static int |
| scsih_target_reset(struct scsi_cmnd *scmd) |
| { |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct _sas_device *sas_device = NULL; |
| struct _pcie_device *pcie_device = NULL; |
| u16 handle; |
| u8 tr_method = 0; |
| u8 tr_timeout = 30; |
| int r; |
| struct scsi_target *starget = scmd->device->sdev_target; |
| struct MPT3SAS_TARGET *target_priv_data = starget->hostdata; |
| |
| starget_printk(KERN_INFO, starget, |
| "attempting target reset! scmd(0x%p)\n", scmd); |
| _scsih_tm_display_info(ioc, scmd); |
| |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target || |
| ioc->remove_host) { |
| starget_printk(KERN_INFO, starget, |
| "target been deleted! scmd(0x%p)\n", scmd); |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| r = SUCCESS; |
| goto out; |
| } |
| |
| /* for hidden raid components obtain the volume_handle */ |
| handle = 0; |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) { |
| sas_device = mpt3sas_get_sdev_from_target(ioc, |
| target_priv_data); |
| if (sas_device) |
| handle = sas_device->volume_handle; |
| } else |
| handle = sas_device_priv_data->sas_target->handle; |
| |
| if (!handle) { |
| scmd->result = DID_RESET << 16; |
| r = FAILED; |
| goto out; |
| } |
| |
| pcie_device = mpt3sas_get_pdev_by_handle(ioc, handle); |
| |
| if (pcie_device && (!ioc->tm_custom_handling) && |
| (!(mpt3sas_scsih_is_pcie_scsi_device(pcie_device->device_info)))) { |
| tr_timeout = pcie_device->reset_timeout; |
| tr_method = MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE; |
| } else |
| tr_method = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; |
| r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel, |
| scmd->device->id, 0, |
| MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 0, |
| tr_timeout, tr_method); |
| /* Check for busy commands after reset */ |
| if (r == SUCCESS && atomic_read(&starget->target_busy)) |
| r = FAILED; |
| out: |
| starget_printk(KERN_INFO, starget, "target reset: %s scmd(0x%p)\n", |
| ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
| |
| if (sas_device) |
| sas_device_put(sas_device); |
| if (pcie_device) |
| pcie_device_put(pcie_device); |
| return r; |
| } |
| |
| |
| /** |
| * scsih_host_reset - eh threads main host reset routine |
| * @scmd: pointer to scsi command object |
| * |
| * Return: SUCCESS if command aborted else FAILED |
| */ |
| static int |
| scsih_host_reset(struct scsi_cmnd *scmd) |
| { |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| int r, retval; |
| |
| ioc_info(ioc, "attempting host reset! scmd(0x%p)\n", scmd); |
| scsi_print_command(scmd); |
| |
| if (ioc->is_driver_loading || ioc->remove_host) { |
| ioc_info(ioc, "Blocking the host reset\n"); |
| r = FAILED; |
| goto out; |
| } |
| |
| retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
| r = (retval < 0) ? FAILED : SUCCESS; |
| out: |
| ioc_info(ioc, "host reset: %s scmd(0x%p)\n", |
| r == SUCCESS ? "SUCCESS" : "FAILED", scmd); |
| |
| return r; |
| } |
| |
| /** |
| * _scsih_fw_event_add - insert and queue up fw_event |
| * @ioc: per adapter object |
| * @fw_event: object describing the event |
| * Context: This function will acquire ioc->fw_event_lock. |
| * |
| * This adds the firmware event object into link list, then queues it up to |
| * be processed from user context. |
| */ |
| static void |
| _scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) |
| { |
| unsigned long flags; |
| |
| if (ioc->firmware_event_thread == NULL) |
| return; |
| |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| fw_event_work_get(fw_event); |
| INIT_LIST_HEAD(&fw_event->list); |
| list_add_tail(&fw_event->list, &ioc->fw_event_list); |
| INIT_WORK(&fw_event->work, _firmware_event_work); |
| fw_event_work_get(fw_event); |
| queue_work(ioc->firmware_event_thread, &fw_event->work); |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| } |
| |
| /** |
| * _scsih_fw_event_del_from_list - delete fw_event from the list |
| * @ioc: per adapter object |
| * @fw_event: object describing the event |
| * Context: This function will acquire ioc->fw_event_lock. |
| * |
| * If the fw_event is on the fw_event_list, remove it and do a put. |
| */ |
| static void |
| _scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work |
| *fw_event) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| if (!list_empty(&fw_event->list)) { |
| list_del_init(&fw_event->list); |
| fw_event_work_put(fw_event); |
| } |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| } |
| |
| |
| /** |
| * mpt3sas_send_trigger_data_event - send event for processing trigger data |
| * @ioc: per adapter object |
| * @event_data: trigger event data |
| */ |
| void |
| mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc, |
| struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data) |
| { |
| struct fw_event_work *fw_event; |
| u16 sz; |
| |
| if (ioc->is_driver_loading) |
| return; |
| sz = sizeof(*event_data); |
| fw_event = alloc_fw_event_work(sz); |
| if (!fw_event) |
| return; |
| fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG; |
| fw_event->ioc = ioc; |
| memcpy(fw_event->event_data, event_data, sizeof(*event_data)); |
| _scsih_fw_event_add(ioc, fw_event); |
| fw_event_work_put(fw_event); |
| } |
| |
| /** |
| * _scsih_error_recovery_delete_devices - remove devices not responding |
| * @ioc: per adapter object |
| */ |
| static void |
| _scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct fw_event_work *fw_event; |
| |
| if (ioc->is_driver_loading) |
| return; |
| fw_event = alloc_fw_event_work(0); |
| if (!fw_event) |
| return; |
| fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES; |
| fw_event->ioc = ioc; |
| _scsih_fw_event_add(ioc, fw_event); |
| fw_event_work_put(fw_event); |
| } |
| |
| /** |
| * mpt3sas_port_enable_complete - port enable completed (fake event) |
| * @ioc: per adapter object |
| */ |
| void |
| mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct fw_event_work *fw_event; |
| |
| fw_event = alloc_fw_event_work(0); |
| if (!fw_event) |
| return; |
| fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE; |
| fw_event->ioc = ioc; |
| _scsih_fw_event_add(ioc, fw_event); |
| fw_event_work_put(fw_event); |
| } |
| |
| static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc) |
| { |
| unsigned long flags; |
| struct fw_event_work *fw_event = NULL; |
| |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| if (!list_empty(&ioc->fw_event_list)) { |
| fw_event = list_first_entry(&ioc->fw_event_list, |
| struct fw_event_work, list); |
| list_del_init(&fw_event->list); |
| fw_event_work_put(fw_event); |
| } |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| |
| return fw_event; |
| } |
| |
| /** |
| * _scsih_fw_event_cleanup_queue - cleanup event queue |
| * @ioc: per adapter object |
| * |
| * Walk the firmware event queue, either killing timers, or waiting |
| * for outstanding events to complete |
| */ |
| static void |
| _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct fw_event_work *fw_event; |
| |
| if ((list_empty(&ioc->fw_event_list) && !ioc->current_event) || |
| !ioc->firmware_event_thread || in_interrupt()) |
| return; |
| |
| ioc->fw_events_cleanup = 1; |
| while ((fw_event = dequeue_next_fw_event(ioc)) || |
| (fw_event = ioc->current_event)) { |
| |
| /* |
| * Don't call cancel_work_sync() for current_event |
| * other than MPT3SAS_REMOVE_UNRESPONDING_DEVICES; |
| * otherwise we may observe deadlock if current |
| * hard reset issued as part of processing the current_event. |
| * |
| * Orginal logic of cleaning the current_event is added |
| * for handling the back to back host reset issued by the user. |
| * i.e. during back to back host reset, driver use to process |
| * the two instances of MPT3SAS_REMOVE_UNRESPONDING_DEVICES |
| * event back to back and this made the drives to unregister |
| * the devices from SML. |
| */ |
| |
| if (fw_event == ioc->current_event && |
| ioc->current_event->event != |
| MPT3SAS_REMOVE_UNRESPONDING_DEVICES) { |
| ioc->current_event = NULL; |
| continue; |
| } |
| |
| /* |
| * Wait on the fw_event to complete. If this returns 1, then |
| * the event was never executed, and we need a put for the |
| * reference the work had on the fw_event. |
| * |
| * If it did execute, we wait for it to finish, and the put will |
| * happen from _firmware_event_work() |
| */ |
| if (cancel_work_sync(&fw_event->work)) |
| fw_event_work_put(fw_event); |
| |
| } |
| ioc->fw_events_cleanup = 0; |
| } |
| |
| /** |
| * _scsih_internal_device_block - block the sdev device |
| * @sdev: per device object |
| * @sas_device_priv_data : per device driver private data |
| * |
| * make sure device is blocked without error, if not |
| * print an error |
| */ |
| static void |
| _scsih_internal_device_block(struct scsi_device *sdev, |
| struct MPT3SAS_DEVICE *sas_device_priv_data) |
| { |
| int r = 0; |
| |
| sdev_printk(KERN_INFO, sdev, "device_block, handle(0x%04x)\n", |
| sas_device_priv_data->sas_target->handle); |
| sas_device_priv_data->block = 1; |
| |
| r = scsi_internal_device_block_nowait(sdev); |
| if (r == -EINVAL) |
| sdev_printk(KERN_WARNING, sdev, |
| "device_block failed with return(%d) for handle(0x%04x)\n", |
| r, sas_device_priv_data->sas_target->handle); |
| } |
| |
| /** |
| * _scsih_internal_device_unblock - unblock the sdev device |
| * @sdev: per device object |
| * @sas_device_priv_data : per device driver private data |
| * make sure device is unblocked without error, if not retry |
| * by blocking and then unblocking |
| */ |
| |
| static void |
| _scsih_internal_device_unblock(struct scsi_device *sdev, |
| struct MPT3SAS_DEVICE *sas_device_priv_data) |
| { |
| int r = 0; |
| |
| sdev_printk(KERN_WARNING, sdev, "device_unblock and setting to running, " |
| "handle(0x%04x)\n", sas_device_priv_data->sas_target->handle); |
| sas_device_priv_data->block = 0; |
| r = scsi_internal_device_unblock_nowait(sdev, SDEV_RUNNING); |
| if (r == -EINVAL) { |
| /* The device has been set to SDEV_RUNNING by SD layer during |
| * device addition but the request queue is still stopped by |
| * our earlier block call. We need to perform a block again |
| * to get the device to SDEV_BLOCK and then to SDEV_RUNNING */ |
| |
| sdev_printk(KERN_WARNING, sdev, |
| "device_unblock failed with return(%d) for handle(0x%04x) " |
| "performing a block followed by an unblock\n", |
| r, sas_device_priv_data->sas_target->handle); |
| sas_device_priv_data->block = 1; |
| r = scsi_internal_device_block_nowait(sdev); |
| if (r) |
| sdev_printk(KERN_WARNING, sdev, "retried device_block " |
| "failed with return(%d) for handle(0x%04x)\n", |
| r, sas_device_priv_data->sas_target->handle); |
| |
| sas_device_priv_data->block = 0; |
| r = scsi_internal_device_unblock_nowait(sdev, SDEV_RUNNING); |
| if (r) |
| sdev_printk(KERN_WARNING, sdev, "retried device_unblock" |
| " failed with return(%d) for handle(0x%04x)\n", |
| r, sas_device_priv_data->sas_target->handle); |
| } |
| } |
| |
| /** |
| * _scsih_ublock_io_all_device - unblock every device |
| * @ioc: per adapter object |
| * |
| * change the device state from block to running |
| */ |
| static void |
| _scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| continue; |
| if (!sas_device_priv_data->block) |
| continue; |
| |
| dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, |
| "device_running, handle(0x%04x)\n", |
| sas_device_priv_data->sas_target->handle)); |
| _scsih_internal_device_unblock(sdev, sas_device_priv_data); |
| } |
| } |
| |
| |
| /** |
| * _scsih_ublock_io_device - prepare device to be deleted |
| * @ioc: per adapter object |
| * @sas_address: sas address |
| * |
| * unblock then put device in offline state |
| */ |
| static void |
| _scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address) |
| { |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target) |
| continue; |
| if (sas_device_priv_data->sas_target->sas_address |
| != sas_address) |
| continue; |
| if (sas_device_priv_data->block) |
| _scsih_internal_device_unblock(sdev, |
| sas_device_priv_data); |
| } |
| } |
| |
| /** |
| * _scsih_block_io_all_device - set the device state to SDEV_BLOCK |
| * @ioc: per adapter object |
| * |
| * During device pull we need to appropriately set the sdev state. |
| */ |
| static void |
| _scsih_block_io_all_device(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| continue; |
| if (sas_device_priv_data->block) |
| continue; |
| if (sas_device_priv_data->ignore_delay_remove) { |
| sdev_printk(KERN_INFO, sdev, |
| "%s skip device_block for SES handle(0x%04x)\n", |
| __func__, sas_device_priv_data->sas_target->handle); |
| continue; |
| } |
| _scsih_internal_device_block(sdev, sas_device_priv_data); |
| } |
| } |
| |
| /** |
| * _scsih_block_io_device - set the device state to SDEV_BLOCK |
| * @ioc: per adapter object |
| * @handle: device handle |
| * |
| * During device pull we need to appropriately set the sdev state. |
| */ |
| static void |
| _scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| struct _sas_device *sas_device; |
| |
| sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| continue; |
| if (sas_device_priv_data->sas_target->handle != handle) |
| continue; |
| if (sas_device_priv_data->block) |
| continue; |
| if (sas_device && sas_device->pend_sas_rphy_add) |
| continue; |
| if (sas_device_priv_data->ignore_delay_remove) { |
| sdev_printk(KERN_INFO, sdev, |
| "%s skip device_block for SES handle(0x%04x)\n", |
| __func__, sas_device_priv_data->sas_target->handle); |
| continue; |
| } |
| _scsih_internal_device_block(sdev, sas_device_priv_data); |
| } |
| |
| if (sas_device) |
| sas_device_put(sas_device); |
| } |
| |
| /** |
| * _scsih_block_io_to_children_attached_to_ex |
| * @ioc: per adapter object |
| * @sas_expander: the sas_device object |
| * |
| * This routine set sdev state to SDEV_BLOCK for all devices |
| * attached to this expander. This function called when expander is |
| * pulled. |
| */ |
| static void |
| _scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_node *sas_expander) |
| { |
| struct _sas_port *mpt3sas_port; |
| struct _sas_device *sas_device; |
| struct _sas_node *expander_sibling; |
| unsigned long flags; |
| |
| if (!sas_expander) |
| return; |
| |
| list_for_each_entry(mpt3sas_port, |
| &sas_expander->sas_port_list, port_list) { |
| if (mpt3sas_port->remote_identify.device_type == |
| SAS_END_DEVICE) { |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
| mpt3sas_port->remote_identify.sas_address); |
| if (sas_device) { |
| set_bit(sas_device->handle, |
| ioc->blocking_handles); |
| sas_device_put(sas_device); |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } |
| } |
| |
| list_for_each_entry(mpt3sas_port, |
| &sas_expander->sas_port_list, port_list) { |
| |
| if (mpt3sas_port->remote_identify.device_type == |
| SAS_EDGE_EXPANDER_DEVICE || |
| mpt3sas_port->remote_identify.device_type == |
| SAS_FANOUT_EXPANDER_DEVICE) { |
| expander_sibling = |
| mpt3sas_scsih_expander_find_by_sas_address( |
| ioc, mpt3sas_port->remote_identify.sas_address); |
| _scsih_block_io_to_children_attached_to_ex(ioc, |
| expander_sibling); |
| } |
| } |
| } |
| |
| /** |
| * _scsih_block_io_to_children_attached_directly |
| * @ioc: per adapter object |
| * @event_data: topology change event data |
| * |
| * This routine set sdev state to SDEV_BLOCK for all devices |
| * direct attached during device pull. |
| */ |
| static void |
| _scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataSasTopologyChangeList_t *event_data) |
| { |
| int i; |
| u16 handle; |
| u16 reason_code; |
| |
| for (i = 0; i < event_data->NumEntries; i++) { |
| handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| reason_code = event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_RC_MASK; |
| if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING) |
| _scsih_block_io_device(ioc, handle); |
| } |
| } |
| |
| /** |
| * _scsih_block_io_to_pcie_children_attached_directly |
| * @ioc: per adapter object |
| * @event_data: topology change event data |
| * |
| * This routine set sdev state to SDEV_BLOCK for all devices |
| * direct attached during device pull/reconnect. |
| */ |
| static void |
| _scsih_block_io_to_pcie_children_attached_directly(struct MPT3SAS_ADAPTER *ioc, |
| Mpi26EventDataPCIeTopologyChangeList_t *event_data) |
| { |
| int i; |
| u16 handle; |
| u16 reason_code; |
| |
| for (i = 0; i < event_data->NumEntries; i++) { |
| handle = |
| le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| reason_code = event_data->PortEntry[i].PortStatus; |
| if (reason_code == |
| MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING) |
| _scsih_block_io_device(ioc, handle); |
| } |
| } |
| /** |
| * _scsih_tm_tr_send - send task management request |
| * @ioc: per adapter object |
| * @handle: device handle |
| * Context: interrupt time. |
| * |
| * This code is to initiate the device removal handshake protocol |
| * with controller firmware. This function will issue target reset |
| * using high priority request queue. It will send a sas iounit |
| * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. |
| * |
| * This is designed to send muliple task management request at the same |
| * time to the fifo. If the fifo is full, we will append the request, |
| * and process it in a future completion. |
| */ |
| static void |
| _scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| Mpi2SCSITaskManagementRequest_t *mpi_request; |
| u16 smid; |
| struct _sas_device *sas_device = NULL; |
| struct _pcie_device *pcie_device = NULL; |
| struct MPT3SAS_TARGET *sas_target_priv_data = NULL; |
| u64 sas_address = 0; |
| unsigned long flags; |
| struct _tr_list *delayed_tr; |
| u32 ioc_state; |
| u8 tr_method = 0; |
| |
| if (ioc->pci_error_recovery) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: host in pci error recovery: handle(0x%04x)\n", |
| __func__, handle)); |
| return; |
| } |
| ioc_state = mpt3sas_base_get_iocstate(ioc, 1); |
| if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: host is not operational: handle(0x%04x)\n", |
| __func__, handle)); |
| return; |
| } |
| |
| /* if PD, then return */ |
| if (test_bit(handle, ioc->pd_handles)) |
| return; |
| |
| clear_bit(handle, ioc->pend_os_device_add); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
| if (sas_device && sas_device->starget && |
| sas_device->starget->hostdata) { |
| sas_target_priv_data = sas_device->starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| sas_address = sas_device->sas_address; |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (!sas_device) { |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle); |
| if (pcie_device && pcie_device->starget && |
| pcie_device->starget->hostdata) { |
| sas_target_priv_data = pcie_device->starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| sas_address = pcie_device->wwid; |
| } |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| if (pcie_device && (!ioc->tm_custom_handling) && |
| (!(mpt3sas_scsih_is_pcie_scsi_device( |
| pcie_device->device_info)))) |
| tr_method = |
| MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE; |
| else |
| tr_method = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; |
| } |
| if (sas_target_priv_data) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n", |
| handle, (u64)sas_address)); |
| if (sas_device) { |
| if (sas_device->enclosure_handle != 0) |
| dewtprintk(ioc, |
| ioc_info(ioc, "setting delete flag:enclosure logical id(0x%016llx), slot(%d)\n", |
| (u64)sas_device->enclosure_logical_id, |
| sas_device->slot)); |
| if (sas_device->connector_name[0] != '\0') |
| dewtprintk(ioc, |
| ioc_info(ioc, "setting delete flag: enclosure level(0x%04x), connector name( %s)\n", |
| sas_device->enclosure_level, |
| sas_device->connector_name)); |
| } else if (pcie_device) { |
| if (pcie_device->enclosure_handle != 0) |
| dewtprintk(ioc, |
| ioc_info(ioc, "setting delete flag: logical id(0x%016llx), slot(%d)\n", |
| (u64)pcie_device->enclosure_logical_id, |
| pcie_device->slot)); |
| if (pcie_device->connector_name[0] != '\0') |
| dewtprintk(ioc, |
| ioc_info(ioc, "setting delete flag:, enclosure level(0x%04x), connector name( %s)\n", |
| pcie_device->enclosure_level, |
| pcie_device->connector_name)); |
| } |
| _scsih_ublock_io_device(ioc, sas_address); |
| sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE; |
| } |
| |
| smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx); |
| if (!smid) { |
| delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); |
| if (!delayed_tr) |
| goto out; |
| INIT_LIST_HEAD(&delayed_tr->list); |
| delayed_tr->handle = handle; |
| list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); |
| dewtprintk(ioc, |
| ioc_info(ioc, "DELAYED:tr:handle(0x%04x), (open)\n", |
| handle)); |
| goto out; |
| } |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n", |
| handle, smid, ioc->tm_tr_cb_idx)); |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); |
| mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; |
| mpi_request->DevHandle = cpu_to_le16(handle); |
| mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; |
| mpi_request->MsgFlags = tr_method; |
| set_bit(handle, ioc->device_remove_in_progress); |
| ioc->put_smid_hi_priority(ioc, smid, 0); |
| mpt3sas_trigger_master(ioc, MASTER_TRIGGER_DEVICE_REMOVAL); |
| |
| out: |
| if (sas_device) |
| sas_device_put(sas_device); |
| if (pcie_device) |
| pcie_device_put(pcie_device); |
| } |
| |
| /** |
| * _scsih_tm_tr_complete - |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * Context: interrupt time. |
| * |
| * This is the target reset completion routine. |
| * This code is part of the code to initiate the device removal |
| * handshake protocol with controller firmware. |
| * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE) |
| * |
| * Return: 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_tm_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
| u32 reply) |
| { |
| u16 handle; |
| Mpi2SCSITaskManagementRequest_t *mpi_request_tm; |
| Mpi2SCSITaskManagementReply_t *mpi_reply = |
| mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| Mpi2SasIoUnitControlRequest_t *mpi_request; |
| u16 smid_sas_ctrl; |
| u32 ioc_state; |
| struct _sc_list *delayed_sc; |
| |
| if (ioc->pci_error_recovery) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: host in pci error recovery\n", |
| __func__)); |
| return 1; |
| } |
| ioc_state = mpt3sas_base_get_iocstate(ioc, 1); |
| if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: host is not operational\n", |
| __func__)); |
| return 1; |
| } |
| if (unlikely(!mpi_reply)) { |
| ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return 1; |
| } |
| mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid); |
| handle = le16_to_cpu(mpi_request_tm->DevHandle); |
| if (handle != le16_to_cpu(mpi_reply->DevHandle)) { |
| dewtprintk(ioc, |
| ioc_err(ioc, "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n", |
| handle, |
| le16_to_cpu(mpi_reply->DevHandle), smid)); |
| return 0; |
| } |
| |
| mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT); |
| dewtprintk(ioc, |
| ioc_info(ioc, "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), loginfo(0x%08x), completed(%d)\n", |
| handle, smid, le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo), |
| le32_to_cpu(mpi_reply->TerminationCount))); |
| |
| smid_sas_ctrl = mpt3sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx); |
| if (!smid_sas_ctrl) { |
| delayed_sc = kzalloc(sizeof(*delayed_sc), GFP_ATOMIC); |
| if (!delayed_sc) |
| return _scsih_check_for_pending_tm(ioc, smid); |
| INIT_LIST_HEAD(&delayed_sc->list); |
| delayed_sc->handle = le16_to_cpu(mpi_request_tm->DevHandle); |
| list_add_tail(&delayed_sc->list, &ioc->delayed_sc_list); |
| dewtprintk(ioc, |
| ioc_info(ioc, "DELAYED:sc:handle(0x%04x), (open)\n", |
| handle)); |
| return _scsih_check_for_pending_tm(ioc, smid); |
| } |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n", |
| handle, smid_sas_ctrl, ioc->tm_sas_control_cb_idx)); |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid_sas_ctrl); |
| memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); |
| mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; |
| mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; |
| mpi_request->DevHandle = mpi_request_tm->DevHandle; |
| ioc->put_smid_default(ioc, smid_sas_ctrl); |
| |
| return _scsih_check_for_pending_tm(ioc, smid); |
| } |
| |
| /** _scsih_allow_scmd_to_device - check whether scmd needs to |
| * issue to IOC or not. |
| * @ioc: per adapter object |
| * @scmd: pointer to scsi command object |
| * |
| * Returns true if scmd can be issued to IOC otherwise returns false. |
| */ |
| inline bool _scsih_allow_scmd_to_device(struct MPT3SAS_ADAPTER *ioc, |
| struct scsi_cmnd *scmd) |
| { |
| |
| if (ioc->pci_error_recovery) |
| return false; |
| |
| if (ioc->hba_mpi_version_belonged == MPI2_VERSION) { |
| if (ioc->remove_host) |
| return false; |
| |
| return true; |
| } |
| |
| if (ioc->remove_host) { |
| |
| switch (scmd->cmnd[0]) { |
| case SYNCHRONIZE_CACHE: |
| case START_STOP: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * _scsih_sas_control_complete - completion routine |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * Context: interrupt time. |
| * |
| * This is the sas iounit control completion routine. |
| * This code is part of the code to initiate the device removal |
| * handshake protocol with controller firmware. |
| * |
| * Return: 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_sas_control_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, |
| u8 msix_index, u32 reply) |
| { |
| Mpi2SasIoUnitControlReply_t *mpi_reply = |
| mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| |
| if (likely(mpi_reply)) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "sc_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", |
| le16_to_cpu(mpi_reply->DevHandle), smid, |
| le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo))); |
| if (le16_to_cpu(mpi_reply->IOCStatus) == |
| MPI2_IOCSTATUS_SUCCESS) { |
| clear_bit(le16_to_cpu(mpi_reply->DevHandle), |
| ioc->device_remove_in_progress); |
| } |
| } else { |
| ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| } |
| return mpt3sas_check_for_pending_internal_cmds(ioc, smid); |
| } |
| |
| /** |
| * _scsih_tm_tr_volume_send - send target reset request for volumes |
| * @ioc: per adapter object |
| * @handle: device handle |
| * Context: interrupt time. |
| * |
| * This is designed to send muliple task management request at the same |
| * time to the fifo. If the fifo is full, we will append the request, |
| * and process it in a future completion. |
| */ |
| static void |
| _scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| Mpi2SCSITaskManagementRequest_t *mpi_request; |
| u16 smid; |
| struct _tr_list *delayed_tr; |
| |
| if (ioc->pci_error_recovery) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: host reset in progress!\n", |
| __func__)); |
| return; |
| } |
| |
| smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx); |
| if (!smid) { |
| delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); |
| if (!delayed_tr) |
| return; |
| INIT_LIST_HEAD(&delayed_tr->list); |
| delayed_tr->handle = handle; |
| list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list); |
| dewtprintk(ioc, |
| ioc_info(ioc, "DELAYED:tr:handle(0x%04x), (open)\n", |
| handle)); |
| return; |
| } |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n", |
| handle, smid, ioc->tm_tr_volume_cb_idx)); |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); |
| mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; |
| mpi_request->DevHandle = cpu_to_le16(handle); |
| mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; |
| ioc->put_smid_hi_priority(ioc, smid, 0); |
| } |
| |
| /** |
| * _scsih_tm_volume_tr_complete - target reset completion |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * Context: interrupt time. |
| * |
| * Return: 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, |
| u8 msix_index, u32 reply) |
| { |
| u16 handle; |
| Mpi2SCSITaskManagementRequest_t *mpi_request_tm; |
| Mpi2SCSITaskManagementReply_t *mpi_reply = |
| mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| |
| if (ioc->shost_recovery || ioc->pci_error_recovery) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: host reset in progress!\n", |
| __func__)); |
| return 1; |
| } |
| if (unlikely(!mpi_reply)) { |
| ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return 1; |
| } |
| |
| mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid); |
| handle = le16_to_cpu(mpi_request_tm->DevHandle); |
| if (handle != le16_to_cpu(mpi_reply->DevHandle)) { |
| dewtprintk(ioc, |
| ioc_err(ioc, "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n", |
| handle, le16_to_cpu(mpi_reply->DevHandle), |
| smid)); |
| return 0; |
| } |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), loginfo(0x%08x), completed(%d)\n", |
| handle, smid, le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo), |
| le32_to_cpu(mpi_reply->TerminationCount))); |
| |
| return _scsih_check_for_pending_tm(ioc, smid); |
| } |
| |
| /** |
| * _scsih_issue_delayed_event_ack - issue delayed Event ACK messages |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @event: Event ID |
| * @event_context: used to track events uniquely |
| * |
| * Context - processed in interrupt context. |
| */ |
| static void |
| _scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, U16 event, |
| U32 event_context) |
| { |
| Mpi2EventAckRequest_t *ack_request; |
| int i = smid - ioc->internal_smid; |
| unsigned long flags; |
| |
| /* Without releasing the smid just update the |
| * call back index and reuse the same smid for |
| * processing this delayed request |
| */ |
| spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| ioc->internal_lookup[i].cb_idx = ioc->base_cb_idx; |
| spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "EVENT ACK: event(0x%04x), smid(%d), cb(%d)\n", |
| le16_to_cpu(event), smid, ioc->base_cb_idx)); |
| ack_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); |
| ack_request->Function = MPI2_FUNCTION_EVENT_ACK; |
| ack_request->Event = event; |
| ack_request->EventContext = event_context; |
| ack_request->VF_ID = 0; /* TODO */ |
| ack_request->VP_ID = 0; |
| ioc->put_smid_default(ioc, smid); |
| } |
| |
| /** |
| * _scsih_issue_delayed_sas_io_unit_ctrl - issue delayed |
| * sas_io_unit_ctrl messages |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @handle: device handle |
| * |
| * Context - processed in interrupt context. |
| */ |
| static void |
| _scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc, |
| u16 smid, u16 handle) |
| { |
| Mpi2SasIoUnitControlRequest_t *mpi_request; |
| u32 ioc_state; |
| int i = smid - ioc->internal_smid; |
| unsigned long flags; |
| |
| if (ioc->remove_host) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: host has been removed\n", |
| __func__)); |
| return; |
| } else if (ioc->pci_error_recovery) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: host in pci error recovery\n", |
| __func__)); |
| return; |
| } |
| ioc_state = mpt3sas_base_get_iocstate(ioc, 1); |
| if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: host is not operational\n", |
| __func__)); |
| return; |
| } |
| |
| /* Without releasing the smid just update the |
| * call back index and reuse the same smid for |
| * processing this delayed request |
| */ |
| spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| ioc->internal_lookup[i].cb_idx = ioc->tm_sas_control_cb_idx; |
| spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n", |
| handle, smid, ioc->tm_sas_control_cb_idx)); |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); |
| mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; |
| mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; |
| mpi_request->DevHandle = cpu_to_le16(handle); |
| ioc->put_smid_default(ioc, smid); |
| } |
| |
| /** |
| * _scsih_check_for_pending_internal_cmds - check for pending internal messages |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * |
| * Context: Executed in interrupt context |
| * |
| * This will check delayed internal messages list, and process the |
| * next request. |
| * |
| * Return: 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| u8 |
| mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc, u16 smid) |
| { |
| struct _sc_list *delayed_sc; |
| struct _event_ack_list *delayed_event_ack; |
| |
| if (!list_empty(&ioc->delayed_event_ack_list)) { |
| delayed_event_ack = list_entry(ioc->delayed_event_ack_list.next, |
| struct _event_ack_list, list); |
| _scsih_issue_delayed_event_ack(ioc, smid, |
| delayed_event_ack->Event, delayed_event_ack->EventContext); |
| list_del(&delayed_event_ack->list); |
| kfree(delayed_event_ack); |
| return 0; |
| } |
| |
| if (!list_empty(&ioc->delayed_sc_list)) { |
| delayed_sc = list_entry(ioc->delayed_sc_list.next, |
| struct _sc_list, list); |
| _scsih_issue_delayed_sas_io_unit_ctrl(ioc, smid, |
| delayed_sc->handle); |
| list_del(&delayed_sc->list); |
| kfree(delayed_sc); |
| return 0; |
| } |
| return 1; |
| } |
| |
| /** |
| * _scsih_check_for_pending_tm - check for pending task management |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * |
| * This will check delayed target reset list, and feed the |
| * next reqeust. |
| * |
| * Return: 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid) |
| { |
| struct _tr_list *delayed_tr; |
| |
| if (!list_empty(&ioc->delayed_tr_volume_list)) { |
| delayed_tr = list_entry(ioc->delayed_tr_volume_list.next, |
| struct _tr_list, list); |
| mpt3sas_base_free_smid(ioc, smid); |
| _scsih_tm_tr_volume_send(ioc, delayed_tr->handle); |
| list_del(&delayed_tr->list); |
| kfree(delayed_tr); |
| return 0; |
| } |
| |
| if (!list_empty(&ioc->delayed_tr_list)) { |
| delayed_tr = list_entry(ioc->delayed_tr_list.next, |
| struct _tr_list, list); |
| mpt3sas_base_free_smid(ioc, smid); |
| _scsih_tm_tr_send(ioc, delayed_tr->handle); |
| list_del(&delayed_tr->list); |
| kfree(delayed_tr); |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| /** |
| * _scsih_check_topo_delete_events - sanity check on topo events |
| * @ioc: per adapter object |
| * @event_data: the event data payload |
| * |
| * This routine added to better handle cable breaker. |
| * |
| * This handles the case where driver receives multiple expander |
| * add and delete events in a single shot. When there is a delete event |
| * the routine will void any pending add events waiting in the event queue. |
| */ |
| static void |
| _scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataSasTopologyChangeList_t *event_data) |
| { |
| struct fw_event_work *fw_event; |
| Mpi2EventDataSasTopologyChangeList_t *local_event_data; |
| u16 expander_handle; |
| struct _sas_node *sas_expander; |
| unsigned long flags; |
| int i, reason_code; |
| u16 handle; |
| |
| for (i = 0 ; i < event_data->NumEntries; i++) { |
| handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| reason_code = event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_RC_MASK; |
| if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING) |
| _scsih_tm_tr_send(ioc, handle); |
| } |
| |
| expander_handle = le16_to_cpu(event_data->ExpanderDevHandle); |
| if (expander_handle < ioc->sas_hba.num_phys) { |
| _scsih_block_io_to_children_attached_directly(ioc, event_data); |
| return; |
| } |
| if (event_data->ExpStatus == |
| MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) { |
| /* put expander attached devices into blocking state */ |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc, |
| expander_handle); |
| _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| do { |
| handle = find_first_bit(ioc->blocking_handles, |
| ioc->facts.MaxDevHandle); |
| if (handle < ioc->facts.MaxDevHandle) |
| _scsih_block_io_device(ioc, handle); |
| } while (test_and_clear_bit(handle, ioc->blocking_handles)); |
| } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) |
| _scsih_block_io_to_children_attached_directly(ioc, event_data); |
| |
| if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) |
| return; |
| |
| /* mark ignore flag for pending events */ |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| list_for_each_entry(fw_event, &ioc->fw_event_list, list) { |
| if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || |
| fw_event->ignore) |
| continue; |
| local_event_data = (Mpi2EventDataSasTopologyChangeList_t *) |
| fw_event->event_data; |
| if (local_event_data->ExpStatus == |
| MPI2_EVENT_SAS_TOPO_ES_ADDED || |
| local_event_data->ExpStatus == |
| MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { |
| if (le16_to_cpu(local_event_data->ExpanderDevHandle) == |
| expander_handle) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "setting ignoring flag\n")); |
| fw_event->ignore = 1; |
| } |
| } |
| } |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| } |
| |
| /** |
| * _scsih_check_pcie_topo_remove_events - sanity check on topo |
| * events |
| * @ioc: per adapter object |
| * @event_data: the event data payload |
| * |
| * This handles the case where driver receives multiple switch |
| * or device add and delete events in a single shot. When there |
| * is a delete event the routine will void any pending add |
| * events waiting in the event queue. |
| */ |
| static void |
| _scsih_check_pcie_topo_remove_events(struct MPT3SAS_ADAPTER *ioc, |
| Mpi26EventDataPCIeTopologyChangeList_t *event_data) |
| { |
| struct fw_event_work *fw_event; |
| Mpi26EventDataPCIeTopologyChangeList_t *local_event_data; |
| unsigned long flags; |
| int i, reason_code; |
| u16 handle, switch_handle; |
| |
| for (i = 0; i < event_data->NumEntries; i++) { |
| handle = |
| le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| reason_code = event_data->PortEntry[i].PortStatus; |
| if (reason_code == MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING) |
| _scsih_tm_tr_send(ioc, handle); |
| } |
| |
| switch_handle = le16_to_cpu(event_data->SwitchDevHandle); |
| if (!switch_handle) { |
| _scsih_block_io_to_pcie_children_attached_directly( |
| ioc, event_data); |
| return; |
| } |
| /* TODO We are not supporting cascaded PCIe Switch removal yet*/ |
| if ((event_data->SwitchStatus |
| == MPI26_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING) || |
| (event_data->SwitchStatus == |
| MPI26_EVENT_PCIE_TOPO_SS_RESPONDING)) |
| _scsih_block_io_to_pcie_children_attached_directly( |
| ioc, event_data); |
| |
| if (event_data->SwitchStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) |
| return; |
| |
| /* mark ignore flag for pending events */ |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| list_for_each_entry(fw_event, &ioc->fw_event_list, list) { |
| if (fw_event->event != MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST || |
| fw_event->ignore) |
| continue; |
| local_event_data = |
| (Mpi26EventDataPCIeTopologyChangeList_t *) |
| fw_event->event_data; |
| if (local_event_data->SwitchStatus == |
| MPI2_EVENT_SAS_TOPO_ES_ADDED || |
| local_event_data->SwitchStatus == |
| MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { |
| if (le16_to_cpu(local_event_data->SwitchDevHandle) == |
| switch_handle) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "setting ignoring flag for switch event\n")); |
| fw_event->ignore = 1; |
| } |
| } |
| } |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| } |
| |
| /** |
| * _scsih_set_volume_delete_flag - setting volume delete flag |
| * @ioc: per adapter object |
| * @handle: device handle |
| * |
| * This returns nothing. |
| */ |
| static void |
| _scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _raid_device *raid_device; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); |
| if (raid_device && raid_device->starget && |
| raid_device->starget->hostdata) { |
| sas_target_priv_data = |
| raid_device->starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| dewtprintk(ioc, |
| ioc_info(ioc, "setting delete flag: handle(0x%04x), wwid(0x%016llx)\n", |
| handle, (u64)raid_device->wwid)); |
| } |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_set_volume_handle_for_tr - set handle for target reset to volume |
| * @handle: input handle |
| * @a: handle for volume a |
| * @b: handle for volume b |
| * |
| * IR firmware only supports two raid volumes. The purpose of this |
| * routine is to set the volume handle in either a or b. When the given |
| * input handle is non-zero, or when a and b have not been set before. |
| */ |
| static void |
| _scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b) |
| { |
| if (!handle || handle == *a || handle == *b) |
| return; |
| if (!*a) |
| *a = handle; |
| else if (!*b) |
| *b = handle; |
| } |
| |
| /** |
| * _scsih_check_ir_config_unhide_events - check for UNHIDE events |
| * @ioc: per adapter object |
| * @event_data: the event data payload |
| * Context: interrupt time. |
| * |
| * This routine will send target reset to volume, followed by target |
| * resets to the PDs. This is called when a PD has been removed, or |
| * volume has been deleted or removed. When the target reset is sent |
| * to volume, the PD target resets need to be queued to start upon |
| * completion of the volume target reset. |
| */ |
| static void |
| _scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataIrConfigChangeList_t *event_data) |
| { |
| Mpi2EventIrConfigElement_t *element; |
| int i; |
| u16 handle, volume_handle, a, b; |
| struct _tr_list *delayed_tr; |
| |
| a = 0; |
| b = 0; |
| |
| if (ioc->is_warpdrive) |
| return; |
| |
| /* Volume Resets for Deleted or Removed */ |
| element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| if (le32_to_cpu(event_data->Flags) & |
| MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) |
| continue; |
| if (element->ReasonCode == |
| MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED || |
| element->ReasonCode == |
| MPI2_EVENT_IR_CHANGE_RC_REMOVED) { |
| volume_handle = le16_to_cpu(element->VolDevHandle); |
| _scsih_set_volume_delete_flag(ioc, volume_handle); |
| _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); |
| } |
| } |
| |
| /* Volume Resets for UNHIDE events */ |
| element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| if (le32_to_cpu(event_data->Flags) & |
| MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) |
| continue; |
| if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) { |
| volume_handle = le16_to_cpu(element->VolDevHandle); |
| _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); |
| } |
| } |
| |
| if (a) |
| _scsih_tm_tr_volume_send(ioc, a); |
| if (b) |
| _scsih_tm_tr_volume_send(ioc, b); |
| |
| /* PD target resets */ |
| element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) |
| continue; |
| handle = le16_to_cpu(element->PhysDiskDevHandle); |
| volume_handle = le16_to_cpu(element->VolDevHandle); |
| clear_bit(handle, ioc->pd_handles); |
| if (!volume_handle) |
| _scsih_tm_tr_send(ioc, handle); |
| else if (volume_handle == a || volume_handle == b) { |
| delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); |
| BUG_ON(!delayed_tr); |
| INIT_LIST_HEAD(&delayed_tr->list); |
| delayed_tr->handle = handle; |
| list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); |
| dewtprintk(ioc, |
| ioc_info(ioc, "DELAYED:tr:handle(0x%04x), (open)\n", |
| handle)); |
| } else |
| _scsih_tm_tr_send(ioc, handle); |
| } |
| } |
| |
| |
| /** |
| * _scsih_check_volume_delete_events - set delete flag for volumes |
| * @ioc: per adapter object |
| * @event_data: the event data payload |
| * Context: interrupt time. |
| * |
| * This will handle the case when the cable connected to entire volume is |
| * pulled. We will take care of setting the deleted flag so normal IO will |
| * not be sent. |
| */ |
| static void |
| _scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataIrVolume_t *event_data) |
| { |
| u32 state; |
| |
| if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) |
| return; |
| state = le32_to_cpu(event_data->NewValue); |
| if (state == MPI2_RAID_VOL_STATE_MISSING || state == |
| MPI2_RAID_VOL_STATE_FAILED) |
| _scsih_set_volume_delete_flag(ioc, |
| le16_to_cpu(event_data->VolDevHandle)); |
| } |
| |
| /** |
| * _scsih_temp_threshold_events - display temperature threshold exceeded events |
| * @ioc: per adapter object |
| * @event_data: the temp threshold event data |
| * Context: interrupt time. |
| */ |
| static void |
| _scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataTemperature_t *event_data) |
| { |
| u32 doorbell; |
| if (ioc->temp_sensors_count >= event_data->SensorNum) { |
| ioc_err(ioc, "Temperature Threshold flags %s%s%s%s exceeded for Sensor: %d !!!\n", |
| le16_to_cpu(event_data->Status) & 0x1 ? "0 " : " ", |
| le16_to_cpu(event_data->Status) & 0x2 ? "1 " : " ", |
| le16_to_cpu(event_data->Status) & 0x4 ? "2 " : " ", |
| le16_to_cpu(event_data->Status) & 0x8 ? "3 " : " ", |
| event_data->SensorNum); |
| ioc_err(ioc, "Current Temp In Celsius: %d\n", |
| event_data->CurrentTemperature); |
| if (ioc->hba_mpi_version_belonged != MPI2_VERSION) { |
| doorbell = mpt3sas_base_get_iocstate(ioc, 0); |
| if ((doorbell & MPI2_IOC_STATE_MASK) == |
| MPI2_IOC_STATE_FAULT) { |
| mpt3sas_print_fault_code(ioc, |
| doorbell & MPI2_DOORBELL_DATA_MASK); |
| } else if ((doorbell & MPI2_IOC_STATE_MASK) == |
| MPI2_IOC_STATE_COREDUMP) { |
| mpt3sas_print_coredump_info(ioc, |
| doorbell & MPI2_DOORBELL_DATA_MASK); |
| } |
| } |
| } |
| } |
| |
| static int _scsih_set_satl_pending(struct scsi_cmnd *scmd, bool pending) |
| { |
| struct MPT3SAS_DEVICE *priv = scmd->device->hostdata; |
| |
| if (scmd->cmnd[0] != ATA_12 && scmd->cmnd[0] != ATA_16) |
| return 0; |
| |
| if (pending) |
| return test_and_set_bit(0, &priv->ata_command_pending); |
| |
| clear_bit(0, &priv->ata_command_pending); |
| return 0; |
| } |
| |
| /** |
| * _scsih_flush_running_cmds - completing outstanding commands. |
| * @ioc: per adapter object |
| * |
| * The flushing out of all pending scmd commands following host reset, |
| * where all IO is dropped to the floor. |
| */ |
| static void |
| _scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct scsi_cmnd *scmd; |
| struct scsiio_tracker *st; |
| u16 smid; |
| int count = 0; |
| |
| for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
| scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid); |
| if (!scmd) |
| continue; |
| count++; |
| _scsih_set_satl_pending(scmd, false); |
| st = scsi_cmd_priv(scmd); |
| mpt3sas_base_clear_st(ioc, st); |
| scsi_dma_unmap(scmd); |
| if (ioc->pci_error_recovery || ioc->remove_host) |
| scmd->result = DID_NO_CONNECT << 16; |
| else |
| scmd->result = DID_RESET << 16; |
| scmd->scsi_done(scmd); |
| } |
| dtmprintk(ioc, ioc_info(ioc, "completing %d cmds\n", count)); |
| } |
| |
| /** |
| * _scsih_setup_eedp - setup MPI request for EEDP transfer |
| * @ioc: per adapter object |
| * @scmd: pointer to scsi command object |
| * @mpi_request: pointer to the SCSI_IO request message frame |
| * |
| * Supporting protection 1 and 3. |
| */ |
| static void |
| _scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, |
| Mpi25SCSIIORequest_t *mpi_request) |
| { |
| u16 eedp_flags; |
| unsigned char prot_op = scsi_get_prot_op(scmd); |
| unsigned char prot_type = scsi_get_prot_type(scmd); |
| Mpi25SCSIIORequest_t *mpi_request_3v = |
| (Mpi25SCSIIORequest_t *)mpi_request; |
| |
| if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL) |
| return; |
| |
| if (prot_op == SCSI_PROT_READ_STRIP) |
| eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; |
| else if (prot_op == SCSI_PROT_WRITE_INSERT) |
| eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; |
| else |
| return; |
| |
| switch (prot_type) { |
| case SCSI_PROT_DIF_TYPE1: |
| case SCSI_PROT_DIF_TYPE2: |
| |
| /* |
| * enable ref/guard checking |
| * auto increment ref tag |
| */ |
| eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
| MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | |
| MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
| mpi_request->CDB.EEDP32.PrimaryReferenceTag = |
| cpu_to_be32(t10_pi_ref_tag(scmd->request)); |
| break; |
| |
| case SCSI_PROT_DIF_TYPE3: |
| |
| /* |
| * enable guard checking |
| */ |
| eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
| |
| break; |
| } |
| |
| mpi_request_3v->EEDPBlockSize = |
| cpu_to_le16(scmd->device->sector_size); |
| |
| if (ioc->is_gen35_ioc) |
| eedp_flags |= MPI25_SCSIIO_EEDPFLAGS_APPTAG_DISABLE_MODE; |
| mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); |
| } |
| |
| /** |
| * _scsih_eedp_error_handling - return sense code for EEDP errors |
| * @scmd: pointer to scsi command object |
| * @ioc_status: ioc status |
| */ |
| static void |
| _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) |
| { |
| u8 ascq; |
| |
| switch (ioc_status) { |
| case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
| ascq = 0x01; |
| break; |
| case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: |
| ascq = 0x02; |
| break; |
| case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: |
| ascq = 0x03; |
| break; |
| default: |
| ascq = 0x00; |
| break; |
| } |
| scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10, |
| ascq); |
| scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) | |
| SAM_STAT_CHECK_CONDITION; |
| } |
| |
| /** |
| * scsih_qcmd - main scsi request entry point |
| * @shost: SCSI host pointer |
| * @scmd: pointer to scsi command object |
| * |
| * The callback index is set inside `ioc->scsi_io_cb_idx`. |
| * |
| * Return: 0 on success. If there's a failure, return either: |
| * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or |
| * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full |
| */ |
| static int |
| scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) |
| { |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| struct _raid_device *raid_device; |
| struct request *rq = scmd->request; |
| int class; |
| Mpi25SCSIIORequest_t *mpi_request; |
| struct _pcie_device *pcie_device = NULL; |
| u32 mpi_control; |
| u16 smid; |
| u16 handle; |
| |
| if (ioc->logging_level & MPT_DEBUG_SCSI) |
| scsi_print_command(scmd); |
| |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| return 0; |
| } |
| |
| if (!(_scsih_allow_scmd_to_device(ioc, scmd))) { |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| return 0; |
| } |
| |
| sas_target_priv_data = sas_device_priv_data->sas_target; |
| |
| /* invalid device handle */ |
| handle = sas_target_priv_data->handle; |
| if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) { |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| return 0; |
| } |
| |
| |
| if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) { |
| /* host recovery or link resets sent via IOCTLs */ |
| return SCSI_MLQUEUE_HOST_BUSY; |
| } else if (sas_target_priv_data->deleted) { |
| /* device has been deleted */ |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| return 0; |
| } else if (sas_target_priv_data->tm_busy || |
| sas_device_priv_data->block) { |
| /* device busy with task management */ |
| return SCSI_MLQUEUE_DEVICE_BUSY; |
| } |
| |
| /* |
| * Bug work around for firmware SATL handling. The loop |
| * is based on atomic operations and ensures consistency |
| * since we're lockless at this point |
| */ |
| do { |
| if (test_bit(0, &sas_device_priv_data->ata_command_pending)) |
| return SCSI_MLQUEUE_DEVICE_BUSY; |
| } while (_scsih_set_satl_pending(scmd, true)); |
| |
| if (scmd->sc_data_direction == DMA_FROM_DEVICE) |
| mpi_control = MPI2_SCSIIO_CONTROL_READ; |
| else if (scmd->sc_data_direction == DMA_TO_DEVICE) |
| mpi_control = MPI2_SCSIIO_CONTROL_WRITE; |
| else |
| mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; |
| |
| /* set tags */ |
| mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; |
| /* NCQ Prio supported, make sure control indicated high priority */ |
| if (sas_device_priv_data->ncq_prio_enable) { |
| class = IOPRIO_PRIO_CLASS(req_get_ioprio(rq)); |
| if (class == IOPRIO_CLASS_RT) |
| mpi_control |= 1 << MPI2_SCSIIO_CONTROL_CMDPRI_SHIFT; |
| } |
| /* Make sure Device is not raid volume. |
| * We do not expose raid functionality to upper layer for warpdrive. |
| */ |
| if (((!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev)) |
| && !scsih_is_nvme(&scmd->device->sdev_gendev)) |
| && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) |
| mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; |
| |
| smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); |
| if (!smid) { |
| ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); |
| _scsih_set_satl_pending(scmd, false); |
| goto out; |
| } |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| memset(mpi_request, 0, ioc->request_sz); |
| _scsih_setup_eedp(ioc, scmd, mpi_request); |
| |
| if (scmd->cmd_len == 32) |
| mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; |
| mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) |
| mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; |
| else |
| mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
| mpi_request->DevHandle = cpu_to_le16(handle); |
| mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
| mpi_request->Control = cpu_to_le32(mpi_control); |
| mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); |
| mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; |
| mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
| mpi_request->SenseBufferLowAddress = |
| mpt3sas_base_get_sense_buffer_dma(ioc, smid); |
| mpi_request->SGLOffset0 = offsetof(Mpi25SCSIIORequest_t, SGL) / 4; |
| int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) |
| mpi_request->LUN); |
| memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); |
| |
| if (mpi_request->DataLength) { |
| pcie_device = sas_target_priv_data->pcie_dev; |
| if (ioc->build_sg_scmd(ioc, scmd, smid, pcie_device)) { |
| mpt3sas_base_free_smid(ioc, smid); |
| _scsih_set_satl_pending(scmd, false); |
| goto out; |
| } |
| } else |
| ioc->build_zero_len_sge(ioc, &mpi_request->SGL); |
| |
| raid_device = sas_target_priv_data->raid_device; |
| if (raid_device && raid_device->direct_io_enabled) |
| mpt3sas_setup_direct_io(ioc, scmd, |
| raid_device, mpi_request); |
| |
| if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) { |
| if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) { |
| mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len | |
| MPI25_SCSIIO_IOFLAGS_FAST_PATH); |
| ioc->put_smid_fast_path(ioc, smid, handle); |
| } else |
| ioc->put_smid_scsi_io(ioc, smid, |
| le16_to_cpu(mpi_request->DevHandle)); |
| } else |
| ioc->put_smid_default(ioc, smid); |
| return 0; |
| |
| out: |
| return SCSI_MLQUEUE_HOST_BUSY; |
| } |
| |
| /** |
| * _scsih_normalize_sense - normalize descriptor and fixed format sense data |
| * @sense_buffer: sense data returned by target |
| * @data: normalized skey/asc/ascq |
| */ |
| static void |
| _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) |
| { |
| if ((sense_buffer[0] & 0x7F) >= 0x72) { |
| /* descriptor format */ |
| data->skey = sense_buffer[1] & 0x0F; |
| data->asc = sense_buffer[2]; |
| data->ascq = sense_buffer[3]; |
| } else { |
| /* fixed format */ |
| data->skey = sense_buffer[2] & 0x0F; |
| data->asc = sense_buffer[12]; |
| data->ascq = sense_buffer[13]; |
| } |
| } |
| |
| /** |
| * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request |
| * @ioc: per adapter object |
| * @scmd: pointer to scsi command object |
| * @mpi_reply: reply mf payload returned from firmware |
| * @smid: ? |
| * |
| * scsi_status - SCSI Status code returned from target device |
| * scsi_state - state info associated with SCSI_IO determined by ioc |
| * ioc_status - ioc supplied status info |
| */ |
| static void |
| _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, |
| Mpi2SCSIIOReply_t *mpi_reply, u16 smid) |
| { |
| u32 response_info; |
| u8 *response_bytes; |
| u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| u8 scsi_state = mpi_reply->SCSIState; |
| u8 scsi_status = mpi_reply->SCSIStatus; |
| char *desc_ioc_state = NULL; |
| char *desc_scsi_status = NULL; |
| char *desc_scsi_state = ioc->tmp_string; |
| u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
| struct _sas_device *sas_device = NULL; |
| struct _pcie_device *pcie_device = NULL; |
| struct scsi_target *starget = scmd->device->sdev_target; |
| struct MPT3SAS_TARGET *priv_target = starget->hostdata; |
| char *device_str = NULL; |
| |
| if (!priv_target) |
| return; |
| if (ioc->hide_ir_msg) |
| device_str = "WarpDrive"; |
| else |
| device_str = "volume"; |
| |
| if (log_info == 0x31170000) |
| return; |
| |
| switch (ioc_status) { |
| case MPI2_IOCSTATUS_SUCCESS: |
| desc_ioc_state = "success"; |
| break; |
| case MPI2_IOCSTATUS_INVALID_FUNCTION: |
| desc_ioc_state = "invalid function"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: |
| desc_ioc_state = "scsi recovered error"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: |
| desc_ioc_state = "scsi invalid dev handle"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: |
| desc_ioc_state = "scsi device not there"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: |
| desc_ioc_state = "scsi data overrun"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: |
| desc_ioc_state = "scsi data underrun"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: |
| desc_ioc_state = "scsi io data error"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
| desc_ioc_state = "scsi protocol error"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
| desc_ioc_state = "scsi task terminated"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: |
| desc_ioc_state = "scsi residual mismatch"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: |
| desc_ioc_state = "scsi task mgmt failed"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: |
| desc_ioc_state = "scsi ioc terminated"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: |
| desc_ioc_state = "scsi ext terminated"; |
| break; |
| case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
| desc_ioc_state = "eedp guard error"; |
| break; |
| case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: |
| desc_ioc_state = "eedp ref tag error"; |
| break; |
| case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: |
| desc_ioc_state = "eedp app tag error"; |
| break; |
| case MPI2_IOCSTATUS_INSUFFICIENT_POWER: |
| desc_ioc_state = "insufficient power"; |
| break; |
| default: |
| desc_ioc_state = "unknown"; |
| break; |
| } |
| |
| switch (scsi_status) { |
| case MPI2_SCSI_STATUS_GOOD: |
| desc_scsi_status = "good"; |
| break; |
| case MPI2_SCSI_STATUS_CHECK_CONDITION: |
| desc_scsi_status = "check condition"; |
| break; |
| case MPI2_SCSI_STATUS_CONDITION_MET: |
| desc_scsi_status = "condition met"; |
| break; |
| case MPI2_SCSI_STATUS_BUSY: |
| desc_scsi_status = "busy"; |
| break; |
| case MPI2_SCSI_STATUS_INTERMEDIATE: |
| desc_scsi_status = "intermediate"; |
| break; |
| case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: |
| desc_scsi_status = "intermediate condmet"; |
| break; |
| case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: |
| desc_scsi_status = "reservation conflict"; |
| break; |
| case MPI2_SCSI_STATUS_COMMAND_TERMINATED: |
| desc_scsi_status = "command terminated"; |
| break; |
| case MPI2_SCSI_STATUS_TASK_SET_FULL: |
| desc_scsi_status = "task set full"; |
| break; |
| case MPI2_SCSI_STATUS_ACA_ACTIVE: |
| desc_scsi_status = "aca active"; |
| break; |
| case MPI2_SCSI_STATUS_TASK_ABORTED: |
| desc_scsi_status = "task aborted"; |
| break; |
| default: |
| desc_scsi_status = "unknown"; |
| break; |
| } |
| |
| desc_scsi_state[0] = '\0'; |
| if (!scsi_state) |
| desc_scsi_state = " "; |
| if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) |
| strcat(desc_scsi_state, "response info "); |
| if (scsi_state & MPI2_SCSI_STATE_TERMINATED) |
| strcat(desc_scsi_state, "state terminated "); |
| if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) |
| strcat(desc_scsi_state, "no status "); |
| if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) |
| strcat(desc_scsi_state, "autosense failed "); |
| if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) |
| strcat(desc_scsi_state, "autosense valid "); |
| |
| scsi_print_command(scmd); |
| |
| if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { |
| ioc_warn(ioc, "\t%s wwid(0x%016llx)\n", |
| device_str, (u64)priv_target->sas_address); |
| } else if (priv_target->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) { |
| pcie_device = mpt3sas_get_pdev_from_target(ioc, priv_target); |
| if (pcie_device) { |
| ioc_info(ioc, "\twwid(0x%016llx), port(%d)\n", |
| (u64)pcie_device->wwid, pcie_device->port_num); |
| if (pcie_device->enclosure_handle != 0) |
| ioc_info(ioc, "\tenclosure logical id(0x%016llx), slot(%d)\n", |
| (u64)pcie_device->enclosure_logical_id, |
| pcie_device->slot); |
| if (pcie_device->connector_name[0]) |
| ioc_info(ioc, "\tenclosure level(0x%04x), connector name( %s)\n", |
| pcie_device->enclosure_level, |
| pcie_device->connector_name); |
| pcie_device_put(pcie_device); |
| } |
| } else { |
| sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target); |
| if (sas_device) { |
| ioc_warn(ioc, "\tsas_address(0x%016llx), phy(%d)\n", |
| (u64)sas_device->sas_address, sas_device->phy); |
| |
| _scsih_display_enclosure_chassis_info(ioc, sas_device, |
| NULL, NULL); |
| |
| sas_device_put(sas_device); |
| } |
| } |
| |
| ioc_warn(ioc, "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n", |
| le16_to_cpu(mpi_reply->DevHandle), |
| desc_ioc_state, ioc_status, smid); |
| ioc_warn(ioc, "\trequest_len(%d), underflow(%d), resid(%d)\n", |
| scsi_bufflen(scmd), scmd->underflow, scsi_get_resid(scmd)); |
| ioc_warn(ioc, "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n", |
| le16_to_cpu(mpi_reply->TaskTag), |
| le32_to_cpu(mpi_reply->TransferCount), scmd->result); |
| ioc_warn(ioc, "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n", |
| desc_scsi_status, scsi_status, desc_scsi_state, scsi_state); |
| |
| if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { |
| struct sense_info data; |
| _scsih_normalize_sense(scmd->sense_buffer, &data); |
| ioc_warn(ioc, "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n", |
| data.skey, data.asc, data.ascq, |
| le32_to_cpu(mpi_reply->SenseCount)); |
| } |
| if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { |
| response_info = le32_to_cpu(mpi_reply->ResponseInfo); |
| response_bytes = (u8 *)&response_info; |
| _scsih_response_code(ioc, response_bytes[0]); |
| } |
| } |
| |
| /** |
| * _scsih_turn_on_pfa_led - illuminate PFA LED |
| * @ioc: per adapter object |
| * @handle: device handle |
| * Context: process |
| */ |
| static void |
| _scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| Mpi2SepReply_t mpi_reply; |
| Mpi2SepRequest_t mpi_request; |
| struct _sas_device *sas_device; |
| |
| sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); |
| if (!sas_device) |
| return; |
| |
| memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); |
| mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; |
| mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; |
| mpi_request.SlotStatus = |
| cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); |
| mpi_request.DevHandle = cpu_to_le16(handle); |
| mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; |
| if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply, |
| &mpi_request)) != 0) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| sas_device->pfa_led_on = 1; |
| |
| if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n", |
| le16_to_cpu(mpi_reply.IOCStatus), |
| le32_to_cpu(mpi_reply.IOCLogInfo))); |
| goto out; |
| } |
| out: |
| sas_device_put(sas_device); |
| } |
| |
| /** |
| * _scsih_turn_off_pfa_led - turn off Fault LED |
| * @ioc: per adapter object |
| * @sas_device: sas device whose PFA LED has to turned off |
| * Context: process |
| */ |
| static void |
| _scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device) |
| { |
| Mpi2SepReply_t mpi_reply; |
| Mpi2SepRequest_t mpi_request; |
| |
| memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); |
| mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; |
| mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; |
| mpi_request.SlotStatus = 0; |
| mpi_request.Slot = cpu_to_le16(sas_device->slot); |
| mpi_request.DevHandle = 0; |
| mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle); |
| mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS; |
| if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply, |
| &mpi_request)) != 0) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n", |
| le16_to_cpu(mpi_reply.IOCStatus), |
| le32_to_cpu(mpi_reply.IOCLogInfo))); |
| return; |
| } |
| } |
| |
| /** |
| * _scsih_send_event_to_turn_on_pfa_led - fire delayed event |
| * @ioc: per adapter object |
| * @handle: device handle |
| * Context: interrupt. |
| */ |
| static void |
| _scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct fw_event_work *fw_event; |
| |
| fw_event = alloc_fw_event_work(0); |
| if (!fw_event) |
| return; |
| fw_event->event = MPT3SAS_TURN_ON_PFA_LED; |
| fw_event->device_handle = handle; |
| fw_event->ioc = ioc; |
| _scsih_fw_event_add(ioc, fw_event); |
| fw_event_work_put(fw_event); |
| } |
| |
| /** |
| * _scsih_smart_predicted_fault - process smart errors |
| * @ioc: per adapter object |
| * @handle: device handle |
| * Context: interrupt. |
| */ |
| static void |
| _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct scsi_target *starget; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| Mpi2EventNotificationReply_t *event_reply; |
| Mpi2EventDataSasDeviceStatusChange_t *event_data; |
| struct _sas_device *sas_device; |
| ssize_t sz; |
| unsigned long flags; |
| |
| /* only handle non-raid devices */ |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
| if (!sas_device) |
| goto out_unlock; |
| |
| starget = sas_device->starget; |
| sas_target_priv_data = starget->hostdata; |
| |
| if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || |
| ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) |
| goto out_unlock; |
| |
| _scsih_display_enclosure_chassis_info(NULL, sas_device, NULL, starget); |
| |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) |
| _scsih_send_event_to_turn_on_pfa_led(ioc, handle); |
| |
| /* insert into event log */ |
| sz = offsetof(Mpi2EventNotificationReply_t, EventData) + |
| sizeof(Mpi2EventDataSasDeviceStatusChange_t); |
| event_reply = kzalloc(sz, GFP_ATOMIC); |
| if (!event_reply) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| |
| event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; |
| event_reply->Event = |
| cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); |
| event_reply->MsgLength = sz/4; |
| event_reply->EventDataLength = |
| cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); |
| event_data = (Mpi2EventDataSasDeviceStatusChange_t *) |
| event_reply->EventData; |
| event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; |
| event_data->ASC = 0x5D; |
| event_data->DevHandle = cpu_to_le16(handle); |
| event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); |
| mpt3sas_ctl_add_to_event_log(ioc, event_reply); |
| kfree(event_reply); |
| out: |
| if (sas_device) |
| sas_device_put(sas_device); |
| return; |
| |
| out_unlock: |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| goto out; |
| } |
| |
| /** |
| * _scsih_io_done - scsi request callback |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * |
| * Callback handler when using _scsih_qcmd. |
| * |
| * Return: 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
| { |
| Mpi25SCSIIORequest_t *mpi_request; |
| Mpi2SCSIIOReply_t *mpi_reply; |
| struct scsi_cmnd *scmd; |
| struct scsiio_tracker *st; |
| u16 ioc_status; |
| u32 xfer_cnt; |
| u8 scsi_state; |
| u8 scsi_status; |
| u32 log_info; |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| u32 response_code = 0; |
| |
| mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| |
| scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid); |
| if (scmd == NULL) |
| return 1; |
| |
| _scsih_set_satl_pending(scmd, false); |
| |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| |
| if (mpi_reply == NULL) { |
| scmd->result = DID_OK << 16; |
| goto out; |
| } |
| |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target || |
| sas_device_priv_data->sas_target->deleted) { |
| scmd->result = DID_NO_CONNECT << 16; |
| goto out; |
| } |
| ioc_status = le16_to_cpu(mpi_reply->IOCStatus); |
| |
| /* |
| * WARPDRIVE: If direct_io is set then it is directIO, |
| * the failed direct I/O should be redirected to volume |
| */ |
| st = scsi_cmd_priv(scmd); |
| if (st->direct_io && |
| ((ioc_status & MPI2_IOCSTATUS_MASK) |
| != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) { |
| st->direct_io = 0; |
| st->scmd = scmd; |
| memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); |
| mpi_request->DevHandle = |
| cpu_to_le16(sas_device_priv_data->sas_target->handle); |
| ioc->put_smid_scsi_io(ioc, smid, |
| sas_device_priv_data->sas_target->handle); |
| return 0; |
| } |
| /* turning off TLR */ |
| scsi_state = mpi_reply->SCSIState; |
| if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) |
| response_code = |
| le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; |
| if (!sas_device_priv_data->tlr_snoop_check) { |
| sas_device_priv_data->tlr_snoop_check++; |
| if ((!ioc->is_warpdrive && |
| !scsih_is_raid(&scmd->device->sdev_gendev) && |
| !scsih_is_nvme(&scmd->device->sdev_gendev)) |
| && sas_is_tlr_enabled(scmd->device) && |
| response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { |
| sas_disable_tlr(scmd->device); |
| sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); |
| } |
| } |
| |
| xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); |
| scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); |
| if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) |
| log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
| else |
| log_info = 0; |
| ioc_status &= MPI2_IOCSTATUS_MASK; |
| scsi_status = mpi_reply->SCSIStatus; |
| |
| if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && |
| (scsi_status == MPI2_SCSI_STATUS_BUSY || |
| scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || |
| scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { |
| ioc_status = MPI2_IOCSTATUS_SUCCESS; |
| } |
| |
| if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { |
| struct sense_info data; |
| const void *sense_data = mpt3sas_base_get_sense_buffer(ioc, |
| smid); |
| u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, |
| le32_to_cpu(mpi_reply->SenseCount)); |
| memcpy(scmd->sense_buffer, sense_data, sz); |
| _scsih_normalize_sense(scmd->sense_buffer, &data); |
| /* failure prediction threshold exceeded */ |
| if (data.asc == 0x5D) |
| _scsih_smart_predicted_fault(ioc, |
| le16_to_cpu(mpi_reply->DevHandle)); |
| mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq); |
| |
| if ((ioc->logging_level & MPT_DEBUG_REPLY) && |
| ((scmd->sense_buffer[2] == UNIT_ATTENTION) || |
| (scmd->sense_buffer[2] == MEDIUM_ERROR) || |
| (scmd->sense_buffer[2] == HARDWARE_ERROR))) |
| _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid); |
| } |
| switch (ioc_status) { |
| case MPI2_IOCSTATUS_BUSY: |
| case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: |
| scmd->result = SAM_STAT_BUSY; |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: |
| scmd->result = DID_NO_CONNECT << 16; |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: |
| if (sas_device_priv_data->block) { |
| scmd->result = DID_TRANSPORT_DISRUPTED << 16; |
| goto out; |
| } |
| if (log_info == 0x31110630) { |
| if (scmd->retries > 2) { |
| scmd->result = DID_NO_CONNECT << 16; |
| scsi_device_set_state(scmd->device, |
| SDEV_OFFLINE); |
| } else { |
| scmd->result = DID_SOFT_ERROR << 16; |
| scmd->device->expecting_cc_ua = 1; |
| } |
| break; |
| } else if (log_info == VIRTUAL_IO_FAILED_RETRY) { |
| scmd->result = DID_RESET << 16; |
| break; |
| } else if ((scmd->device->channel == RAID_CHANNEL) && |
| (scsi_state == (MPI2_SCSI_STATE_TERMINATED | |
| MPI2_SCSI_STATE_NO_SCSI_STATUS))) { |
| scmd->result = DID_RESET << 16; |
| break; |
| } |
| scmd->result = DID_SOFT_ERROR << 16; |
| break; |
| case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
| case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: |
| scmd->result = DID_RESET << 16; |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: |
| if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) |
| scmd->result = DID_SOFT_ERROR << 16; |
| else |
| scmd->result = (DID_OK << 16) | scsi_status; |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: |
| scmd->result = (DID_OK << 16) | scsi_status; |
| |
| if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) |
| break; |
| |
| if (xfer_cnt < scmd->underflow) { |
| if (scsi_status == SAM_STAT_BUSY) |
| scmd->result = SAM_STAT_BUSY; |
| else |
| scmd->result = DID_SOFT_ERROR << 16; |
| } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | |
| MPI2_SCSI_STATE_NO_SCSI_STATUS)) |
| scmd->result = DID_SOFT_ERROR << 16; |
| else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) |
| scmd->result = DID_RESET << 16; |
| else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { |
| mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; |
| mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; |
| scmd->result = (DRIVER_SENSE << 24) | |
| SAM_STAT_CHECK_CONDITION; |
| scmd->sense_buffer[0] = 0x70; |
| scmd->sense_buffer[2] = ILLEGAL_REQUEST; |
| scmd->sense_buffer[12] = 0x20; |
| scmd->sense_buffer[13] = 0; |
| } |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: |
| scsi_set_resid(scmd, 0); |
| fallthrough; |
| case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: |
| case MPI2_IOCSTATUS_SUCCESS: |
| scmd->result = (DID_OK << 16) | scsi_status; |
| if (response_code == |
| MPI2_SCSITASKMGMT_RSP_INVALID_FRAME || |
| (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | |
| MPI2_SCSI_STATE_NO_SCSI_STATUS))) |
| scmd->result = DID_SOFT_ERROR << 16; |
| else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) |
| scmd->result = DID_RESET << 16; |
| break; |
| |
| case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
| case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: |
| case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: |
| _scsih_eedp_error_handling(scmd, ioc_status); |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
| case MPI2_IOCSTATUS_INVALID_FUNCTION: |
| case MPI2_IOCSTATUS_INVALID_SGL: |
| case MPI2_IOCSTATUS_INTERNAL_ERROR: |
| case MPI2_IOCSTATUS_INVALID_FIELD: |
| case MPI2_IOCSTATUS_INVALID_STATE: |
| case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: |
| case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: |
| case MPI2_IOCSTATUS_INSUFFICIENT_POWER: |
| default: |
| scmd->result = DID_SOFT_ERROR << 16; |
| break; |
| |
| } |
| |
| if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) |
| _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); |
| |
| out: |
| |
| scsi_dma_unmap(scmd); |
| mpt3sas_base_free_smid(ioc, smid); |
| scmd->scsi_done(scmd); |
| return 0; |
| } |
| |
| /** |
| * _scsih_sas_host_refresh - refreshing sas host object contents |
| * @ioc: per adapter object |
| * Context: user |
| * |
| * During port enable, fw will send topology events for every device. Its |
| * possible that the handles may change from the previous setting, so this |
| * code keeping handles updating if changed. |
| */ |
| static void |
| _scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc) |
| { |
| u16 sz; |
| u16 ioc_status; |
| int i; |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; |
| u16 attached_handle; |
| u8 link_rate; |
| |
| dtmprintk(ioc, |
| ioc_info(ioc, "updating handles for sas_host(0x%016llx)\n", |
| (u64)ioc->sas_hba.sas_address)); |
| |
| sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys |
| * sizeof(Mpi2SasIOUnit0PhyData_t)); |
| sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); |
| if (!sas_iounit_pg0) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
| sas_iounit_pg0, sz)) != 0) |
| goto out; |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| goto out; |
| for (i = 0; i < ioc->sas_hba.num_phys ; i++) { |
| link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4; |
| if (i == 0) |
| ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> |
| PhyData[0].ControllerDevHandle); |
| ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; |
| attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. |
| AttachedDevHandle); |
| if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) |
| link_rate = MPI2_SAS_NEG_LINK_RATE_1_5; |
| mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address, |
| attached_handle, i, link_rate); |
| } |
| out: |
| kfree(sas_iounit_pg0); |
| } |
| |
| /** |
| * _scsih_sas_host_add - create sas host object |
| * @ioc: per adapter object |
| * |
| * Creating host side data object, stored in ioc->sas_hba |
| */ |
| static void |
| _scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc) |
| { |
| int i; |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; |
| Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
| Mpi2SasPhyPage0_t phy_pg0; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| Mpi2SasEnclosurePage0_t enclosure_pg0; |
| u16 ioc_status; |
| u16 sz; |
| u8 device_missing_delay; |
| u8 num_phys; |
| |
| mpt3sas_config_get_number_hba_phys(ioc, &num_phys); |
| if (!num_phys) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| ioc->sas_hba.phy = kcalloc(num_phys, |
| sizeof(struct _sas_phy), GFP_KERNEL); |
| if (!ioc->sas_hba.phy) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| ioc->sas_hba.num_phys = num_phys; |
| |
| /* sas_iounit page 0 */ |
| sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * |
| sizeof(Mpi2SasIOUnit0PhyData_t)); |
| sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); |
| if (!sas_iounit_pg0) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
| sas_iounit_pg0, sz))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| |
| /* sas_iounit page 1 */ |
| sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * |
| sizeof(Mpi2SasIOUnit1PhyData_t)); |
| sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); |
| if (!sas_iounit_pg1) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, |
| sas_iounit_pg1, sz))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| |
| ioc->io_missing_delay = |
| sas_iounit_pg1->IODeviceMissingDelay; |
| device_missing_delay = |
| sas_iounit_pg1->ReportDeviceMissingDelay; |
| if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) |
| ioc->device_missing_delay = (device_missing_delay & |
| MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; |
| else |
| ioc->device_missing_delay = device_missing_delay & |
| MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; |
| |
| ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; |
| for (i = 0; i < ioc->sas_hba.num_phys ; i++) { |
| if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, |
| i))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| |
| if (i == 0) |
| ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> |
| PhyData[0].ControllerDevHandle); |
| ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; |
| ioc->sas_hba.phy[i].phy_id = i; |
| mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], |
| phy_pg0, ioc->sas_hba.parent_dev); |
| } |
| if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| ioc->sas_hba.enclosure_handle = |
| le16_to_cpu(sas_device_pg0.EnclosureHandle); |
| ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| ioc_info(ioc, "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n", |
| ioc->sas_hba.handle, |
| (u64)ioc->sas_hba.sas_address, |
| ioc->sas_hba.num_phys); |
| |
| if (ioc->sas_hba.enclosure_handle) { |
| if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply, |
| &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, |
| ioc->sas_hba.enclosure_handle))) |
| ioc->sas_hba.enclosure_logical_id = |
| le64_to_cpu(enclosure_pg0.EnclosureLogicalID); |
| } |
| |
| out: |
| kfree(sas_iounit_pg1); |
| kfree(sas_iounit_pg0); |
| } |
| |
| /** |
| * _scsih_expander_add - creating expander object |
| * @ioc: per adapter object |
| * @handle: expander handle |
| * |
| * Creating expander object, stored in ioc->sas_expander_list. |
| * |
| * Return: 0 for success, else error. |
| */ |
| static int |
| _scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _sas_node *sas_expander; |
| struct _enclosure_node *enclosure_dev; |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2ExpanderPage0_t expander_pg0; |
| Mpi2ExpanderPage1_t expander_pg1; |
| u32 ioc_status; |
| u16 parent_handle; |
| u64 sas_address, sas_address_parent = 0; |
| int i; |
| unsigned long flags; |
| struct _sas_port *mpt3sas_port = NULL; |
| |
| int rc = 0; |
| |
| if (!handle) |
| return -1; |
| |
| if (ioc->shost_recovery || ioc->pci_error_recovery) |
| return -1; |
| |
| if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
| MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| /* handle out of order topology events */ |
| parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); |
| if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent) |
| != 0) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| if (sas_address_parent != ioc->sas_hba.sas_address) { |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc, |
| sas_address_parent); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| if (!sas_expander) { |
| rc = _scsih_expander_add(ioc, parent_handle); |
| if (rc != 0) |
| return rc; |
| } |
| } |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| sas_address = le64_to_cpu(expander_pg0.SASAddress); |
| sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc, |
| sas_address); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| |
| if (sas_expander) |
| return 0; |
| |
| sas_expander = kzalloc(sizeof(struct _sas_node), |
| GFP_KERNEL); |
| if (!sas_expander) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| sas_expander->handle = handle; |
| sas_expander->num_phys = expander_pg0.NumPhys; |
| sas_expander->sas_address_parent = sas_address_parent; |
| sas_expander->sas_address = sas_address; |
| |
| ioc_info(ioc, "expander_add: handle(0x%04x), parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", |
| handle, parent_handle, |
| (u64)sas_expander->sas_address, sas_expander->num_phys); |
| |
| if (!sas_expander->num_phys) { |
| rc = -1; |
| goto out_fail; |
| } |
| sas_expander->phy = kcalloc(sas_expander->num_phys, |
| sizeof(struct _sas_phy), GFP_KERNEL); |
| if (!sas_expander->phy) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| rc = -1; |
| goto out_fail; |
| } |
| |
| INIT_LIST_HEAD(&sas_expander->sas_port_list); |
| mpt3sas_port = mpt3sas_transport_port_add(ioc, handle, |
| sas_address_parent); |
| if (!mpt3sas_port) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| rc = -1; |
| goto out_fail; |
| } |
| sas_expander->parent_dev = &mpt3sas_port->rphy->dev; |
| |
| for (i = 0 ; i < sas_expander->num_phys ; i++) { |
| if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply, |
| &expander_pg1, i, handle))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| rc = -1; |
| goto out_fail; |
| } |
| sas_expander->phy[i].handle = handle; |
| sas_expander->phy[i].phy_id = i; |
| |
| if ((mpt3sas_transport_add_expander_phy(ioc, |
| &sas_expander->phy[i], expander_pg1, |
| sas_expander->parent_dev))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| rc = -1; |
| goto out_fail; |
| } |
| } |
| |
| if (sas_expander->enclosure_handle) { |
| enclosure_dev = |
| mpt3sas_scsih_enclosure_find_by_handle(ioc, |
| sas_expander->enclosure_handle); |
| if (enclosure_dev) |
| sas_expander->enclosure_logical_id = |
| le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID); |
| } |
| |
| _scsih_expander_node_add(ioc, sas_expander); |
| return 0; |
| |
| out_fail: |
| |
| if (mpt3sas_port) |
| mpt3sas_transport_port_remove(ioc, sas_expander->sas_address, |
| sas_address_parent); |
| kfree(sas_expander); |
| return rc; |
| } |
| |
| /** |
| * mpt3sas_expander_remove - removing expander object |
| * @ioc: per adapter object |
| * @sas_address: expander sas_address |
| */ |
| void |
| mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address) |
| { |
| struct _sas_node *sas_expander; |
| unsigned long flags; |
| |
| if (ioc->shost_recovery) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc, |
| sas_address); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| if (sas_expander) |
| _scsih_expander_node_remove(ioc, sas_expander); |
| } |
| |
| /** |
| * _scsih_done - internal SCSI_IO callback handler. |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * |
| * Callback handler when sending internal generated SCSI_IO. |
| * The callback index passed is `ioc->scsih_cb_idx` |
| * |
| * Return: 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
| { |
| MPI2DefaultReply_t *mpi_reply; |
| |
| mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED) |
| return 1; |
| if (ioc->scsih_cmds.smid != smid) |
| return 1; |
| ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE; |
| if (mpi_reply) { |
| memcpy(ioc->scsih_cmds.reply, mpi_reply, |
| mpi_reply->MsgLength*4); |
| ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID; |
| } |
| ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING; |
| complete(&ioc->scsih_cmds.done); |
| return 1; |
| } |
| |
| |
| |
| |
| #define MPT3_MAX_LUNS (255) |
| |
| |
| /** |
| * _scsih_check_access_status - check access flags |
| * @ioc: per adapter object |
| * @sas_address: sas address |
| * @handle: sas device handle |
| * @access_status: errors returned during discovery of the device |
| * |
| * Return: 0 for success, else failure |
| */ |
| static u8 |
| _scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address, |
| u16 handle, u8 access_status) |
| { |
| u8 rc = 1; |
| char *desc = NULL; |
| |
| switch (access_status) { |
| case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS: |
| case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION: |
| rc = 0; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED: |
| desc = "sata capability failed"; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT: |
| desc = "sata affiliation conflict"; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE: |
| desc = "route not addressable"; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE: |
| desc = "smp error not addressable"; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED: |
| desc = "device blocked"; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX: |
| desc = "sata initialization failed"; |
| break; |
| default: |
| desc = "unknown"; |
| break; |
| } |
| |
| if (!rc) |
| return 0; |
| |
| ioc_err(ioc, "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n", |
| desc, (u64)sas_address, handle); |
| return rc; |
| } |
| |
| /** |
| * _scsih_check_device - checking device responsiveness |
| * @ioc: per adapter object |
| * @parent_sas_address: sas address of parent expander or sas host |
| * @handle: attached device handle |
| * @phy_number: phy number |
| * @link_rate: new link rate |
| */ |
| static void |
| _scsih_check_device(struct MPT3SAS_ADAPTER *ioc, |
| u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate) |
| { |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| struct _sas_device *sas_device; |
| struct _enclosure_node *enclosure_dev = NULL; |
| u32 ioc_status; |
| unsigned long flags; |
| u64 sas_address; |
| struct scsi_target *starget; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| u32 device_info; |
| |
| if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) |
| return; |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| return; |
| |
| /* wide port handling ~ we need only handle device once for the phy that |
| * is matched in sas device page zero |
| */ |
| if (phy_number != sas_device_pg0.PhyNum) |
| return; |
| |
| /* check if this is end device */ |
| device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| if (!(_scsih_is_end_device(device_info))) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
| sas_address); |
| |
| if (!sas_device) |
| goto out_unlock; |
| |
| if (unlikely(sas_device->handle != handle)) { |
| starget = sas_device->starget; |
| sas_target_priv_data = starget->hostdata; |
| starget_printk(KERN_INFO, starget, |
| "handle changed from(0x%04x) to (0x%04x)!!!\n", |
| sas_device->handle, handle); |
| sas_target_priv_data->handle = handle; |
| sas_device->handle = handle; |
| if (le16_to_cpu(sas_device_pg0.Flags) & |
| MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) { |
| sas_device->enclosure_level = |
| sas_device_pg0.EnclosureLevel; |
| memcpy(sas_device->connector_name, |
| sas_device_pg0.ConnectorName, 4); |
| sas_device->connector_name[4] = '\0'; |
| } else { |
| sas_device->enclosure_level = 0; |
| sas_device->connector_name[0] = '\0'; |
| } |
| |
| sas_device->enclosure_handle = |
| le16_to_cpu(sas_device_pg0.EnclosureHandle); |
| sas_device->is_chassis_slot_valid = 0; |
| enclosure_dev = mpt3sas_scsih_enclosure_find_by_handle(ioc, |
| sas_device->enclosure_handle); |
| if (enclosure_dev) { |
| sas_device->enclosure_logical_id = |
| le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID); |
| if (le16_to_cpu(enclosure_dev->pg0.Flags) & |
| MPI2_SAS_ENCLS0_FLAGS_CHASSIS_SLOT_VALID) { |
| sas_device->is_chassis_slot_valid = 1; |
| sas_device->chassis_slot = |
| enclosure_dev->pg0.ChassisSlot; |
| } |
| } |
| } |
| |
| /* check if device is present */ |
| if (!(le16_to_cpu(sas_device_pg0.Flags) & |
| MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { |
| ioc_err(ioc, "device is not present handle(0x%04x), flags!!!\n", |
| handle); |
| goto out_unlock; |
| } |
| |
| /* check if there were any issues with discovery */ |
| if (_scsih_check_access_status(ioc, sas_address, handle, |
| sas_device_pg0.AccessStatus)) |
| goto out_unlock; |
| |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| _scsih_ublock_io_device(ioc, sas_address); |
| |
| if (sas_device) |
| sas_device_put(sas_device); |
| return; |
| |
| out_unlock: |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (sas_device) |
| sas_device_put(sas_device); |
| } |
| |
| /** |
| * _scsih_add_device - creating sas device object |
| * @ioc: per adapter object |
| * @handle: sas device handle |
| * @phy_num: phy number end device attached to |
| * @is_pd: is this hidden raid component |
| * |
| * Creating end device object, stored in ioc->sas_device_list. |
| * |
| * Return: 0 for success, non-zero for failure. |
| */ |
| static int |
| _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num, |
| u8 is_pd) |
| { |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| struct _sas_device *sas_device; |
| struct _enclosure_node *enclosure_dev = NULL; |
| u32 ioc_status; |
| u64 sas_address; |
| u32 device_info; |
| |
| if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| /* check if this is end device */ |
| device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| if (!(_scsih_is_end_device(device_info))) |
| return -1; |
| set_bit(handle, ioc->pend_os_device_add); |
| sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| |
| /* check if device is present */ |
| if (!(le16_to_cpu(sas_device_pg0.Flags) & |
| MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { |
| ioc_err(ioc, "device is not present handle(0x04%x)!!!\n", |
| handle); |
| return -1; |
| } |
| |
| /* check if there were any issues with discovery */ |
| if (_scsih_check_access_status(ioc, sas_address, handle, |
| sas_device_pg0.AccessStatus)) |
| return -1; |
| |
| sas_device = mpt3sas_get_sdev_by_addr(ioc, |
| sas_address); |
| if (sas_device) { |
| clear_bit(handle, ioc->pend_os_device_add); |
| sas_device_put(sas_device); |
| return -1; |
| } |
| |
| if (sas_device_pg0.EnclosureHandle) { |
| enclosure_dev = |
| mpt3sas_scsih_enclosure_find_by_handle(ioc, |
| le16_to_cpu(sas_device_pg0.EnclosureHandle)); |
| if (enclosure_dev == NULL) |
| ioc_info(ioc, "Enclosure handle(0x%04x) doesn't match with enclosure device!\n", |
| sas_device_pg0.EnclosureHandle); |
| } |
| |
| sas_device = kzalloc(sizeof(struct _sas_device), |
| GFP_KERNEL); |
| if (!sas_device) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return 0; |
| } |
| |
| kref_init(&sas_device->refcount); |
| sas_device->handle = handle; |
| if (_scsih_get_sas_address(ioc, |
| le16_to_cpu(sas_device_pg0.ParentDevHandle), |
| &sas_device->sas_address_parent) != 0) |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| sas_device->enclosure_handle = |
| le16_to_cpu(sas_device_pg0.EnclosureHandle); |
| if (sas_device->enclosure_handle != 0) |
| sas_device->slot = |
| le16_to_cpu(sas_device_pg0.Slot); |
| sas_device->device_info = device_info; |
| sas_device->sas_address = sas_address; |
| sas_device->phy = sas_device_pg0.PhyNum; |
| sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) & |
| MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0; |
| |
| if (le16_to_cpu(sas_device_pg0.Flags) |
| & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) { |
| sas_device->enclosure_level = |
| sas_device_pg0.EnclosureLevel; |
| memcpy(sas_device->connector_name, |
| sas_device_pg0.ConnectorName, 4); |
| sas_device->connector_name[4] = '\0'; |
| } else { |
| sas_device->enclosure_level = 0; |
| sas_device->connector_name[0] = '\0'; |
| } |
| /* get enclosure_logical_id & chassis_slot*/ |
| sas_device->is_chassis_slot_valid = 0; |
| if (enclosure_dev) { |
| sas_device->enclosure_logical_id = |
| le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID); |
| if (le16_to_cpu(enclosure_dev->pg0.Flags) & |
| MPI2_SAS_ENCLS0_FLAGS_CHASSIS_SLOT_VALID) { |
| sas_device->is_chassis_slot_valid = 1; |
| sas_device->chassis_slot = |
| enclosure_dev->pg0.ChassisSlot; |
| } |
| } |
| |
| /* get device name */ |
| sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); |
| |
| if (ioc->wait_for_discovery_to_complete) |
| _scsih_sas_device_init_add(ioc, sas_device); |
| else |
| _scsih_sas_device_add(ioc, sas_device); |
| |
| sas_device_put(sas_device); |
| return 0; |
| } |
| |
| /** |
| * _scsih_remove_device - removing sas device object |
| * @ioc: per adapter object |
| * @sas_device: the sas_device object |
| */ |
| static void |
| _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device) |
| { |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| |
| if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) && |
| (sas_device->pfa_led_on)) { |
| _scsih_turn_off_pfa_led(ioc, sas_device); |
| sas_device->pfa_led_on = 0; |
| } |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n", |
| __func__, |
| sas_device->handle, (u64)sas_device->sas_address)); |
| |
| dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device, |
| NULL, NULL)); |
| |
| if (sas_device->starget && sas_device->starget->hostdata) { |
| sas_target_priv_data = sas_device->starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| _scsih_ublock_io_device(ioc, sas_device->sas_address); |
| sas_target_priv_data->handle = |
| MPT3SAS_INVALID_DEVICE_HANDLE; |
| } |
| |
| if (!ioc->hide_drives) |
| mpt3sas_transport_port_remove(ioc, |
| sas_device->sas_address, |
| sas_device->sas_address_parent); |
| |
| ioc_info(ioc, "removing handle(0x%04x), sas_addr(0x%016llx)\n", |
| sas_device->handle, (u64)sas_device->sas_address); |
| |
| _scsih_display_enclosure_chassis_info(ioc, sas_device, NULL, NULL); |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n", |
| __func__, |
| sas_device->handle, (u64)sas_device->sas_address)); |
| dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device, |
| NULL, NULL)); |
| } |
| |
| /** |
| * _scsih_sas_topology_change_event_debug - debug for topology event |
| * @ioc: per adapter object |
| * @event_data: event data payload |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataSasTopologyChangeList_t *event_data) |
| { |
| int i; |
| u16 handle; |
| u16 reason_code; |
| u8 phy_number; |
| char *status_str = NULL; |
| u8 link_rate, prev_link_rate; |
| |
| switch (event_data->ExpStatus) { |
| case MPI2_EVENT_SAS_TOPO_ES_ADDED: |
| status_str = "add"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: |
| status_str = "remove"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: |
| case 0: |
| status_str = "responding"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: |
| status_str = "remove delay"; |
| break; |
| default: |
| status_str = "unknown status"; |
| break; |
| } |
| ioc_info(ioc, "sas topology change: (%s)\n", status_str); |
| pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \ |
| "start_phy(%02d), count(%d)\n", |
| le16_to_cpu(event_data->ExpanderDevHandle), |
| le16_to_cpu(event_data->EnclosureHandle), |
| event_data->StartPhyNum, event_data->NumEntries); |
| for (i = 0; i < event_data->NumEntries; i++) { |
| handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| phy_number = event_data->StartPhyNum + i; |
| reason_code = event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_RC_MASK; |
| switch (reason_code) { |
| case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: |
| status_str = "target add"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: |
| status_str = "target remove"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: |
| status_str = "delay target remove"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: |
| status_str = "link rate change"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: |
| status_str = "target responding"; |
| break; |
| default: |
| status_str = "unknown"; |
| break; |
| } |
| link_rate = event_data->PHY[i].LinkRate >> 4; |
| prev_link_rate = event_data->PHY[i].LinkRate & 0xF; |
| pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \ |
| " link rate: new(0x%02x), old(0x%02x)\n", phy_number, |
| handle, status_str, link_rate, prev_link_rate); |
| |
| } |
| } |
| |
| /** |
| * _scsih_sas_topology_change_event - handle topology changes |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| */ |
| static int |
| _scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| int i; |
| u16 parent_handle, handle; |
| u16 reason_code; |
| u8 phy_number, max_phys; |
| struct _sas_node *sas_expander; |
| u64 sas_address; |
| unsigned long flags; |
| u8 link_rate, prev_link_rate; |
| Mpi2EventDataSasTopologyChangeList_t *event_data = |
| (Mpi2EventDataSasTopologyChangeList_t *) |
| fw_event->event_data; |
| |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| _scsih_sas_topology_change_event_debug(ioc, event_data); |
| |
| if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery) |
| return 0; |
| |
| if (!ioc->sas_hba.num_phys) |
| _scsih_sas_host_add(ioc); |
| else |
| _scsih_sas_host_refresh(ioc); |
| |
| if (fw_event->ignore) { |
| dewtprintk(ioc, ioc_info(ioc, "ignoring expander event\n")); |
| return 0; |
| } |
| |
| parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); |
| |
| /* handle expander add */ |
| if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) |
| if (_scsih_expander_add(ioc, parent_handle) != 0) |
| return 0; |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc, |
| parent_handle); |
| if (sas_expander) { |
| sas_address = sas_expander->sas_address; |
| max_phys = sas_expander->num_phys; |
| } else if (parent_handle < ioc->sas_hba.num_phys) { |
| sas_address = ioc->sas_hba.sas_address; |
| max_phys = ioc->sas_hba.num_phys; |
| } else { |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| return 0; |
| } |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| |
| /* handle siblings events */ |
| for (i = 0; i < event_data->NumEntries; i++) { |
| if (fw_event->ignore) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "ignoring expander event\n")); |
| return 0; |
| } |
| if (ioc->remove_host || ioc->pci_error_recovery) |
| return 0; |
| phy_number = event_data->StartPhyNum + i; |
| if (phy_number >= max_phys) |
| continue; |
| reason_code = event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_RC_MASK; |
| if ((event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code != |
| MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) |
| continue; |
| handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| link_rate = event_data->PHY[i].LinkRate >> 4; |
| prev_link_rate = event_data->PHY[i].LinkRate & 0xF; |
| switch (reason_code) { |
| case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: |
| |
| if (ioc->shost_recovery) |
| break; |
| |
| if (link_rate == prev_link_rate) |
| break; |
| |
| mpt3sas_transport_update_links(ioc, sas_address, |
| handle, phy_number, link_rate); |
| |
| if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) |
| break; |
| |
| _scsih_check_device(ioc, sas_address, handle, |
| phy_number, link_rate); |
| |
| if (!test_bit(handle, ioc->pend_os_device_add)) |
| break; |
| |
| fallthrough; |
| |
| case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: |
| |
| if (ioc->shost_recovery) |
| break; |
| |
| mpt3sas_transport_update_links(ioc, sas_address, |
| handle, phy_number, link_rate); |
| |
| _scsih_add_device(ioc, handle, phy_number, 0); |
| |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: |
| |
| _scsih_device_remove_by_handle(ioc, handle); |
| break; |
| } |
| } |
| |
| /* handle expander removal */ |
| if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && |
| sas_expander) |
| mpt3sas_expander_remove(ioc, sas_address); |
| |
| return 0; |
| } |
| |
| /** |
| * _scsih_sas_device_status_change_event_debug - debug for device event |
| * @ioc: ? |
| * @event_data: event data payload |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataSasDeviceStatusChange_t *event_data) |
| { |
| char *reason_str = NULL; |
| |
| switch (event_data->ReasonCode) { |
| case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: |
| reason_str = "smart data"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: |
| reason_str = "unsupported device discovered"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: |
| reason_str = "internal device reset"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: |
| reason_str = "internal task abort"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: |
| reason_str = "internal task abort set"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: |
| reason_str = "internal clear task set"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: |
| reason_str = "internal query task"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: |
| reason_str = "sata init failure"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: |
| reason_str = "internal device reset complete"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: |
| reason_str = "internal task abort complete"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: |
| reason_str = "internal async notification"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY: |
| reason_str = "expander reduced functionality"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY: |
| reason_str = "expander reduced functionality complete"; |
| break; |
| default: |
| reason_str = "unknown reason"; |
| break; |
| } |
| ioc_info(ioc, "device status change: (%s)\thandle(0x%04x), sas address(0x%016llx), tag(%d)", |
| reason_str, le16_to_cpu(event_data->DevHandle), |
| (u64)le64_to_cpu(event_data->SASAddress), |
| le16_to_cpu(event_data->TaskTag)); |
| if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) |
| pr_cont(", ASC(0x%x), ASCQ(0x%x)\n", |
| event_data->ASC, event_data->ASCQ); |
| pr_cont("\n"); |
| } |
| |
| /** |
| * _scsih_sas_device_status_change_event - handle device status change |
| * @ioc: per adapter object |
| * @event_data: The fw event |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataSasDeviceStatusChange_t *event_data) |
| { |
| struct MPT3SAS_TARGET *target_priv_data; |
| struct _sas_device *sas_device; |
| u64 sas_address; |
| unsigned long flags; |
| |
| /* In MPI Revision K (0xC), the internal device reset complete was |
| * implemented, so avoid setting tm_busy flag for older firmware. |
| */ |
| if ((ioc->facts.HeaderVersion >> 8) < 0xC) |
| return; |
| |
| if (event_data->ReasonCode != |
| MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && |
| event_data->ReasonCode != |
| MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_address = le64_to_cpu(event_data->SASAddress); |
| sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
| sas_address); |
| |
| if (!sas_device || !sas_device->starget) |
| goto out; |
| |
| target_priv_data = sas_device->starget->hostdata; |
| if (!target_priv_data) |
| goto out; |
| |
| if (event_data->ReasonCode == |
| MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) |
| target_priv_data->tm_busy = 1; |
| else |
| target_priv_data->tm_busy = 0; |
| |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| ioc_info(ioc, |
| "%s tm_busy flag for handle(0x%04x)\n", |
| (target_priv_data->tm_busy == 1) ? "Enable" : "Disable", |
| target_priv_data->handle); |
| |
| out: |
| if (sas_device) |
| sas_device_put(sas_device); |
| |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } |
| |
| |
| /** |
| * _scsih_check_pcie_access_status - check access flags |
| * @ioc: per adapter object |
| * @wwid: wwid |
| * @handle: sas device handle |
| * @access_status: errors returned during discovery of the device |
| * |
| * Return: 0 for success, else failure |
| */ |
| static u8 |
| _scsih_check_pcie_access_status(struct MPT3SAS_ADAPTER *ioc, u64 wwid, |
| u16 handle, u8 access_status) |
| { |
| u8 rc = 1; |
| char *desc = NULL; |
| |
| switch (access_status) { |
| case MPI26_PCIEDEV0_ASTATUS_NO_ERRORS: |
| case MPI26_PCIEDEV0_ASTATUS_NEEDS_INITIALIZATION: |
| rc = 0; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_CAPABILITY_FAILED: |
| desc = "PCIe device capability failed"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED: |
| desc = "PCIe device blocked"; |
| ioc_info(ioc, |
| "Device with Access Status (%s): wwid(0x%016llx), " |
| "handle(0x%04x)\n ll only be added to the internal list", |
| desc, (u64)wwid, handle); |
| rc = 0; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_MEMORY_SPACE_ACCESS_FAILED: |
| desc = "PCIe device mem space access failed"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_UNSUPPORTED_DEVICE: |
| desc = "PCIe device unsupported"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_MSIX_REQUIRED: |
| desc = "PCIe device MSIx Required"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_INIT_FAIL_MAX: |
| desc = "PCIe device init fail max"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_UNKNOWN: |
| desc = "PCIe device status unknown"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_NVME_READY_TIMEOUT: |
| desc = "nvme ready timeout"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_NVME_DEVCFG_UNSUPPORTED: |
| desc = "nvme device configuration unsupported"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_NVME_IDENTIFY_FAILED: |
| desc = "nvme identify failed"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_NVME_QCONFIG_FAILED: |
| desc = "nvme qconfig failed"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_NVME_QCREATION_FAILED: |
| desc = "nvme qcreation failed"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_NVME_EVENTCFG_FAILED: |
| desc = "nvme eventcfg failed"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_NVME_GET_FEATURE_STAT_FAILED: |
| desc = "nvme get feature stat failed"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_NVME_IDLE_TIMEOUT: |
| desc = "nvme idle timeout"; |
| break; |
| case MPI26_PCIEDEV0_ASTATUS_NVME_FAILURE_STATUS: |
| desc = "nvme failure status"; |
| break; |
| default: |
| ioc_err(ioc, "NVMe discovery error(0x%02x): wwid(0x%016llx), handle(0x%04x)\n", |
| access_status, (u64)wwid, handle); |
| return rc; |
| } |
| |
| if (!rc) |
| return rc; |
| |
| ioc_info(ioc, "NVMe discovery error(%s): wwid(0x%016llx), handle(0x%04x)\n", |
| desc, (u64)wwid, handle); |
| return rc; |
| } |
| |
| /** |
| * _scsih_pcie_device_remove_from_sml - removing pcie device |
| * from SML and free up associated memory |
| * @ioc: per adapter object |
| * @pcie_device: the pcie_device object |
| */ |
| static void |
| _scsih_pcie_device_remove_from_sml(struct MPT3SAS_ADAPTER *ioc, |
| struct _pcie_device *pcie_device) |
| { |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: enter: handle(0x%04x), wwid(0x%016llx)\n", |
| __func__, |
| pcie_device->handle, (u64)pcie_device->wwid)); |
| if (pcie_device->enclosure_handle != 0) |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n", |
| __func__, |
| (u64)pcie_device->enclosure_logical_id, |
| pcie_device->slot)); |
| if (pcie_device->connector_name[0] != '\0') |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: enter: enclosure level(0x%04x), connector name(%s)\n", |
| __func__, |
| pcie_device->enclosure_level, |
| pcie_device->connector_name)); |
| |
| if (pcie_device->starget && pcie_device->starget->hostdata) { |
| sas_target_priv_data = pcie_device->starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| _scsih_ublock_io_device(ioc, pcie_device->wwid); |
| sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE; |
| } |
| |
| ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n", |
| pcie_device->handle, (u64)pcie_device->wwid); |
| if (pcie_device->enclosure_handle != 0) |
| ioc_info(ioc, "removing : enclosure logical id(0x%016llx), slot(%d)\n", |
| (u64)pcie_device->enclosure_logical_id, |
| pcie_device->slot); |
| if (pcie_device->connector_name[0] != '\0') |
| ioc_info(ioc, "removing: enclosure level(0x%04x), connector name( %s)\n", |
| pcie_device->enclosure_level, |
| pcie_device->connector_name); |
| |
| if (pcie_device->starget && (pcie_device->access_status != |
| MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED)) |
| scsi_remove_target(&pcie_device->starget->dev); |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: exit: handle(0x%04x), wwid(0x%016llx)\n", |
| __func__, |
| pcie_device->handle, (u64)pcie_device->wwid)); |
| if (pcie_device->enclosure_handle != 0) |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n", |
| __func__, |
| (u64)pcie_device->enclosure_logical_id, |
| pcie_device->slot)); |
| if (pcie_device->connector_name[0] != '\0') |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: exit: enclosure level(0x%04x), connector name( %s)\n", |
| __func__, |
| pcie_device->enclosure_level, |
| pcie_device->connector_name)); |
| |
| kfree(pcie_device->serial_number); |
| } |
| |
| |
| /** |
| * _scsih_pcie_check_device - checking device responsiveness |
| * @ioc: per adapter object |
| * @handle: attached device handle |
| */ |
| static void |
| _scsih_pcie_check_device(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi26PCIeDevicePage0_t pcie_device_pg0; |
| u32 ioc_status; |
| struct _pcie_device *pcie_device; |
| u64 wwid; |
| unsigned long flags; |
| struct scsi_target *starget; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| u32 device_info; |
| |
| if ((mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply, |
| &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) |
| return; |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| return; |
| |
| /* check if this is end device */ |
| device_info = le32_to_cpu(pcie_device_pg0.DeviceInfo); |
| if (!(_scsih_is_nvme_pciescsi_device(device_info))) |
| return; |
| |
| wwid = le64_to_cpu(pcie_device_pg0.WWID); |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid); |
| |
| if (!pcie_device) { |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| return; |
| } |
| |
| if (unlikely(pcie_device->handle != handle)) { |
| starget = pcie_device->starget; |
| sas_target_priv_data = starget->hostdata; |
| pcie_device->access_status = pcie_device_pg0.AccessStatus; |
| starget_printk(KERN_INFO, starget, |
| "handle changed from(0x%04x) to (0x%04x)!!!\n", |
| pcie_device->handle, handle); |
| sas_target_priv_data->handle = handle; |
| pcie_device->handle = handle; |
| |
| if (le32_to_cpu(pcie_device_pg0.Flags) & |
| MPI26_PCIEDEV0_FLAGS_ENCL_LEVEL_VALID) { |
| pcie_device->enclosure_level = |
| pcie_device_pg0.EnclosureLevel; |
| memcpy(&pcie_device->connector_name[0], |
| &pcie_device_pg0.ConnectorName[0], 4); |
| } else { |
| pcie_device->enclosure_level = 0; |
| pcie_device->connector_name[0] = '\0'; |
| } |
| } |
| |
| /* check if device is present */ |
| if (!(le32_to_cpu(pcie_device_pg0.Flags) & |
| MPI26_PCIEDEV0_FLAGS_DEVICE_PRESENT)) { |
| ioc_info(ioc, "device is not present handle(0x%04x), flags!!!\n", |
| handle); |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| pcie_device_put(pcie_device); |
| return; |
| } |
| |
| /* check if there were any issues with discovery */ |
| if (_scsih_check_pcie_access_status(ioc, wwid, handle, |
| pcie_device_pg0.AccessStatus)) { |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| pcie_device_put(pcie_device); |
| return; |
| } |
| |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| pcie_device_put(pcie_device); |
| |
| _scsih_ublock_io_device(ioc, wwid); |
| |
| return; |
| } |
| |
| /** |
| * _scsih_pcie_add_device - creating pcie device object |
| * @ioc: per adapter object |
| * @handle: pcie device handle |
| * |
| * Creating end device object, stored in ioc->pcie_device_list. |
| * |
| * Return: 1 means queue the event later, 0 means complete the event |
| */ |
| static int |
| _scsih_pcie_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| Mpi26PCIeDevicePage0_t pcie_device_pg0; |
| Mpi26PCIeDevicePage2_t pcie_device_pg2; |
| Mpi2ConfigReply_t mpi_reply; |
| struct _pcie_device *pcie_device; |
| struct _enclosure_node *enclosure_dev; |
| u32 ioc_status; |
| u64 wwid; |
| |
| if ((mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply, |
| &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return 0; |
| } |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return 0; |
| } |
| |
| set_bit(handle, ioc->pend_os_device_add); |
| wwid = le64_to_cpu(pcie_device_pg0.WWID); |
| |
| /* check if device is present */ |
| if (!(le32_to_cpu(pcie_device_pg0.Flags) & |
| MPI26_PCIEDEV0_FLAGS_DEVICE_PRESENT)) { |
| ioc_err(ioc, "device is not present handle(0x04%x)!!!\n", |
| handle); |
| return 0; |
| } |
| |
| /* check if there were any issues with discovery */ |
| if (_scsih_check_pcie_access_status(ioc, wwid, handle, |
| pcie_device_pg0.AccessStatus)) |
| return 0; |
| |
| if (!(_scsih_is_nvme_pciescsi_device(le32_to_cpu |
| (pcie_device_pg0.DeviceInfo)))) |
| return 0; |
| |
| pcie_device = mpt3sas_get_pdev_by_wwid(ioc, wwid); |
| if (pcie_device) { |
| clear_bit(handle, ioc->pend_os_device_add); |
| pcie_device_put(pcie_device); |
| return 0; |
| } |
| |
| /* PCIe Device Page 2 contains read-only information about a |
| * specific NVMe device; therefore, this page is only |
| * valid for NVMe devices and skip for pcie devices of type scsi. |
| */ |
| if (!(mpt3sas_scsih_is_pcie_scsi_device( |
| le32_to_cpu(pcie_device_pg0.DeviceInfo)))) { |
| if (mpt3sas_config_get_pcie_device_pg2(ioc, &mpi_reply, |
| &pcie_device_pg2, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, |
| handle)) { |
| ioc_err(ioc, |
| "failure at %s:%d/%s()!\n", __FILE__, |
| __LINE__, __func__); |
| return 0; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_err(ioc, |
| "failure at %s:%d/%s()!\n", __FILE__, |
| __LINE__, __func__); |
| return 0; |
| } |
| } |
| |
| pcie_device = kzalloc(sizeof(struct _pcie_device), GFP_KERNEL); |
| if (!pcie_device) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return 0; |
| } |
| |
| kref_init(&pcie_device->refcount); |
| pcie_device->id = ioc->pcie_target_id++; |
| pcie_device->channel = PCIE_CHANNEL; |
| pcie_device->handle = handle; |
| pcie_device->access_status = pcie_device_pg0.AccessStatus; |
| pcie_device->device_info = le32_to_cpu(pcie_device_pg0.DeviceInfo); |
| pcie_device->wwid = wwid; |
| pcie_device->port_num = pcie_device_pg0.PortNum; |
| pcie_device->fast_path = (le32_to_cpu(pcie_device_pg0.Flags) & |
| MPI26_PCIEDEV0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0; |
| |
| pcie_device->enclosure_handle = |
| le16_to_cpu(pcie_device_pg0.EnclosureHandle); |
| if (pcie_device->enclosure_handle != 0) |
| pcie_device->slot = le16_to_cpu(pcie_device_pg0.Slot); |
| |
| if (le32_to_cpu(pcie_device_pg0.Flags) & |
| MPI26_PCIEDEV0_FLAGS_ENCL_LEVEL_VALID) { |
| pcie_device->enclosure_level = pcie_device_pg0.EnclosureLevel; |
| memcpy(&pcie_device->connector_name[0], |
| &pcie_device_pg0.ConnectorName[0], 4); |
| } else { |
| pcie_device->enclosure_level = 0; |
| pcie_device->connector_name[0] = '\0'; |
| } |
| |
| /* get enclosure_logical_id */ |
| if (pcie_device->enclosure_handle) { |
| enclosure_dev = |
| mpt3sas_scsih_enclosure_find_by_handle(ioc, |
| pcie_device->enclosure_handle); |
| if (enclosure_dev) |
| pcie_device->enclosure_logical_id = |
| le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID); |
| } |
| /* TODO -- Add device name once FW supports it */ |
| if (!(mpt3sas_scsih_is_pcie_scsi_device( |
| le32_to_cpu(pcie_device_pg0.DeviceInfo)))) { |
| pcie_device->nvme_mdts = |
| le32_to_cpu(pcie_device_pg2.MaximumDataTransferSize); |
| pcie_device->shutdown_latency = |
| le16_to_cpu(pcie_device_pg2.ShutdownLatency); |
| /* |
| * Set IOC's max_shutdown_latency to drive's RTD3 Entry Latency |
| * if drive's RTD3 Entry Latency is greater then IOC's |
| * max_shutdown_latency. |
| */ |
| if (pcie_device->shutdown_latency > ioc->max_shutdown_latency) |
| ioc->max_shutdown_latency = |
| pcie_device->shutdown_latency; |
| if (pcie_device_pg2.ControllerResetTO) |
| pcie_device->reset_timeout = |
| pcie_device_pg2.ControllerResetTO; |
| else |
| pcie_device->reset_timeout = 30; |
| } else |
| pcie_device->reset_timeout = 30; |
| |
| if (ioc->wait_for_discovery_to_complete) |
| _scsih_pcie_device_init_add(ioc, pcie_device); |
| else |
| _scsih_pcie_device_add(ioc, pcie_device); |
| |
| pcie_device_put(pcie_device); |
| return 0; |
| } |
| |
| /** |
| * _scsih_pcie_topology_change_event_debug - debug for topology |
| * event |
| * @ioc: per adapter object |
| * @event_data: event data payload |
| * Context: user. |
| */ |
| static void |
| _scsih_pcie_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| Mpi26EventDataPCIeTopologyChangeList_t *event_data) |
| { |
| int i; |
| u16 handle; |
| u16 reason_code; |
| u8 port_number; |
| char *status_str = NULL; |
| u8 link_rate, prev_link_rate; |
| |
| switch (event_data->SwitchStatus) { |
| case MPI26_EVENT_PCIE_TOPO_SS_ADDED: |
| status_str = "add"; |
| break; |
| case MPI26_EVENT_PCIE_TOPO_SS_NOT_RESPONDING: |
| status_str = "remove"; |
| break; |
| case MPI26_EVENT_PCIE_TOPO_SS_RESPONDING: |
| case 0: |
| status_str = "responding"; |
| break; |
| case MPI26_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING: |
| status_str = "remove delay"; |
| break; |
| default: |
| status_str = "unknown status"; |
| break; |
| } |
| ioc_info(ioc, "pcie topology change: (%s)\n", status_str); |
| pr_info("\tswitch_handle(0x%04x), enclosure_handle(0x%04x)" |
| "start_port(%02d), count(%d)\n", |
| le16_to_cpu(event_data->SwitchDevHandle), |
| le16_to_cpu(event_data->EnclosureHandle), |
| event_data->StartPortNum, event_data->NumEntries); |
| for (i = 0; i < event_data->NumEntries; i++) { |
| handle = |
| le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| port_number = event_data->StartPortNum + i; |
| reason_code = event_data->PortEntry[i].PortStatus; |
| switch (reason_code) { |
| case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED: |
| status_str = "target add"; |
| break; |
| case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING: |
| status_str = "target remove"; |
| break; |
| case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING: |
| status_str = "delay target remove"; |
| break; |
| case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED: |
| status_str = "link rate change"; |
| break; |
| case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE: |
| status_str = "target responding"; |
| break; |
| default: |
| status_str = "unknown"; |
| break; |
| } |
| link_rate = event_data->PortEntry[i].CurrentPortInfo & |
| MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK; |
| prev_link_rate = event_data->PortEntry[i].PreviousPortInfo & |
| MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK; |
| pr_info("\tport(%02d), attached_handle(0x%04x): %s:" |
| " link rate: new(0x%02x), old(0x%02x)\n", port_number, |
| handle, status_str, link_rate, prev_link_rate); |
| } |
| } |
| |
| /** |
| * _scsih_pcie_topology_change_event - handle PCIe topology |
| * changes |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| */ |
| static void |
| _scsih_pcie_topology_change_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| int i; |
| u16 handle; |
| u16 reason_code; |
| u8 link_rate, prev_link_rate; |
| unsigned long flags; |
| int rc; |
| Mpi26EventDataPCIeTopologyChangeList_t *event_data = |
| (Mpi26EventDataPCIeTopologyChangeList_t *) fw_event->event_data; |
| struct _pcie_device *pcie_device; |
| |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| _scsih_pcie_topology_change_event_debug(ioc, event_data); |
| |
| if (ioc->shost_recovery || ioc->remove_host || |
| ioc->pci_error_recovery) |
| return; |
| |
| if (fw_event->ignore) { |
| dewtprintk(ioc, ioc_info(ioc, "ignoring switch event\n")); |
| return; |
| } |
| |
| /* handle siblings events */ |
| for (i = 0; i < event_data->NumEntries; i++) { |
| if (fw_event->ignore) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "ignoring switch event\n")); |
| return; |
| } |
| if (ioc->remove_host || ioc->pci_error_recovery) |
| return; |
| reason_code = event_data->PortEntry[i].PortStatus; |
| handle = |
| le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| |
| link_rate = event_data->PortEntry[i].CurrentPortInfo |
| & MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK; |
| prev_link_rate = event_data->PortEntry[i].PreviousPortInfo |
| & MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK; |
| |
| switch (reason_code) { |
| case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED: |
| if (ioc->shost_recovery) |
| break; |
| if (link_rate == prev_link_rate) |
| break; |
| if (link_rate < MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5) |
| break; |
| |
| _scsih_pcie_check_device(ioc, handle); |
| |
| /* This code after this point handles the test case |
| * where a device has been added, however its returning |
| * BUSY for sometime. Then before the Device Missing |
| * Delay expires and the device becomes READY, the |
| * device is removed and added back. |
| */ |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| |
| if (pcie_device) { |
| pcie_device_put(pcie_device); |
| break; |
| } |
| |
| if (!test_bit(handle, ioc->pend_os_device_add)) |
| break; |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "handle(0x%04x) device not found: convert event to a device add\n", |
| handle)); |
| event_data->PortEntry[i].PortStatus &= 0xF0; |
| event_data->PortEntry[i].PortStatus |= |
| MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED; |
| fallthrough; |
| case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED: |
| if (ioc->shost_recovery) |
| break; |
| if (link_rate < MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5) |
| break; |
| |
| rc = _scsih_pcie_add_device(ioc, handle); |
| if (!rc) { |
| /* mark entry vacant */ |
| /* TODO This needs to be reviewed and fixed, |
| * we dont have an entry |
| * to make an event void like vacant |
| */ |
| event_data->PortEntry[i].PortStatus |= |
| MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE; |
| } |
| break; |
| case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING: |
| _scsih_pcie_device_remove_by_handle(ioc, handle); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * _scsih_pcie_device_status_change_event_debug - debug for device event |
| * @ioc: ? |
| * @event_data: event data payload |
| * Context: user. |
| */ |
| static void |
| _scsih_pcie_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| Mpi26EventDataPCIeDeviceStatusChange_t *event_data) |
| { |
| char *reason_str = NULL; |
| |
| switch (event_data->ReasonCode) { |
| case MPI26_EVENT_PCIDEV_STAT_RC_SMART_DATA: |
| reason_str = "smart data"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_UNSUPPORTED: |
| reason_str = "unsupported device discovered"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET: |
| reason_str = "internal device reset"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_TASK_ABORT_INTERNAL: |
| reason_str = "internal task abort"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_ABORT_TASK_SET_INTERNAL: |
| reason_str = "internal task abort set"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: |
| reason_str = "internal clear task set"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_QUERY_TASK_INTERNAL: |
| reason_str = "internal query task"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_DEV_INIT_FAILURE: |
| reason_str = "device init failure"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_CMP_INTERNAL_DEV_RESET: |
| reason_str = "internal device reset complete"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: |
| reason_str = "internal task abort complete"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_ASYNC_NOTIFICATION: |
| reason_str = "internal async notification"; |
| break; |
| case MPI26_EVENT_PCIDEV_STAT_RC_PCIE_HOT_RESET_FAILED: |
| reason_str = "pcie hot reset failed"; |
| break; |
| default: |
| reason_str = "unknown reason"; |
| break; |
| } |
| |
| ioc_info(ioc, "PCIE device status change: (%s)\n" |
| "\thandle(0x%04x), WWID(0x%016llx), tag(%d)", |
| reason_str, le16_to_cpu(event_data->DevHandle), |
| (u64)le64_to_cpu(event_data->WWID), |
| le16_to_cpu(event_data->TaskTag)); |
| if (event_data->ReasonCode == MPI26_EVENT_PCIDEV_STAT_RC_SMART_DATA) |
| pr_cont(", ASC(0x%x), ASCQ(0x%x)\n", |
| event_data->ASC, event_data->ASCQ); |
| pr_cont("\n"); |
| } |
| |
| /** |
| * _scsih_pcie_device_status_change_event - handle device status |
| * change |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _scsih_pcie_device_status_change_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| struct MPT3SAS_TARGET *target_priv_data; |
| struct _pcie_device *pcie_device; |
| u64 wwid; |
| unsigned long flags; |
| Mpi26EventDataPCIeDeviceStatusChange_t *event_data = |
| (Mpi26EventDataPCIeDeviceStatusChange_t *)fw_event->event_data; |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| _scsih_pcie_device_status_change_event_debug(ioc, |
| event_data); |
| |
| if (event_data->ReasonCode != |
| MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET && |
| event_data->ReasonCode != |
| MPI26_EVENT_PCIDEV_STAT_RC_CMP_INTERNAL_DEV_RESET) |
| return; |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| wwid = le64_to_cpu(event_data->WWID); |
| pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid); |
| |
| if (!pcie_device || !pcie_device->starget) |
| goto out; |
| |
| target_priv_data = pcie_device->starget->hostdata; |
| if (!target_priv_data) |
| goto out; |
| |
| if (event_data->ReasonCode == |
| MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET) |
| target_priv_data->tm_busy = 1; |
| else |
| target_priv_data->tm_busy = 0; |
| out: |
| if (pcie_device) |
| pcie_device_put(pcie_device); |
| |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure |
| * event |
| * @ioc: per adapter object |
| * @event_data: event data payload |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataSasEnclDevStatusChange_t *event_data) |
| { |
| char *reason_str = NULL; |
| |
| switch (event_data->ReasonCode) { |
| case MPI2_EVENT_SAS_ENCL_RC_ADDED: |
| reason_str = "enclosure add"; |
| break; |
| case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: |
| reason_str = "enclosure remove"; |
| break; |
| default: |
| reason_str = "unknown reason"; |
| break; |
| } |
| |
| ioc_info(ioc, "enclosure status change: (%s)\n" |
| "\thandle(0x%04x), enclosure logical id(0x%016llx) number slots(%d)\n", |
| reason_str, |
| le16_to_cpu(event_data->EnclosureHandle), |
| (u64)le64_to_cpu(event_data->EnclosureLogicalID), |
| le16_to_cpu(event_data->StartSlot)); |
| } |
| |
| /** |
| * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| Mpi2ConfigReply_t mpi_reply; |
| struct _enclosure_node *enclosure_dev = NULL; |
| Mpi2EventDataSasEnclDevStatusChange_t *event_data = |
| (Mpi2EventDataSasEnclDevStatusChange_t *)fw_event->event_data; |
| int rc; |
| u16 enclosure_handle = le16_to_cpu(event_data->EnclosureHandle); |
| |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| _scsih_sas_enclosure_dev_status_change_event_debug(ioc, |
| (Mpi2EventDataSasEnclDevStatusChange_t *) |
| fw_event->event_data); |
| if (ioc->shost_recovery) |
| return; |
| |
| if (enclosure_handle) |
| enclosure_dev = |
| mpt3sas_scsih_enclosure_find_by_handle(ioc, |
| enclosure_handle); |
| switch (event_data->ReasonCode) { |
| case MPI2_EVENT_SAS_ENCL_RC_ADDED: |
| if (!enclosure_dev) { |
| enclosure_dev = |
| kzalloc(sizeof(struct _enclosure_node), |
| GFP_KERNEL); |
| if (!enclosure_dev) { |
| ioc_info(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| rc = mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply, |
| &enclosure_dev->pg0, |
| MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, |
| enclosure_handle); |
| |
| if (rc || (le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK)) { |
| kfree(enclosure_dev); |
| return; |
| } |
| |
| list_add_tail(&enclosure_dev->list, |
| &ioc->enclosure_list); |
| } |
| break; |
| case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: |
| if (enclosure_dev) { |
| list_del(&enclosure_dev->list); |
| kfree(enclosure_dev); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /** |
| * _scsih_sas_broadcast_primitive_event - handle broadcast events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| struct scsi_cmnd *scmd; |
| struct scsi_device *sdev; |
| struct scsiio_tracker *st; |
| u16 smid, handle; |
| u32 lun; |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| u32 termination_count; |
| u32 query_count; |
| Mpi2SCSITaskManagementReply_t *mpi_reply; |
| Mpi2EventDataSasBroadcastPrimitive_t *event_data = |
| (Mpi2EventDataSasBroadcastPrimitive_t *) |
| fw_event->event_data; |
| u16 ioc_status; |
| unsigned long flags; |
| int r; |
| u8 max_retries = 0; |
| u8 task_abort_retries; |
| |
| mutex_lock(&ioc->tm_cmds.mutex); |
| ioc_info(ioc, "%s: enter: phy number(%d), width(%d)\n", |
| __func__, event_data->PhyNum, event_data->PortWidth); |
| |
| _scsih_block_io_all_device(ioc); |
| |
| spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| mpi_reply = ioc->tm_cmds.reply; |
| broadcast_aen_retry: |
| |
| /* sanity checks for retrying this loop */ |
| if (max_retries++ == 5) { |
| dewtprintk(ioc, ioc_info(ioc, "%s: giving up\n", __func__)); |
| goto out; |
| } else if (max_retries > 1) |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: %d retry\n", |
| __func__, max_retries - 1)); |
| |
| termination_count = 0; |
| query_count = 0; |
| for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
| if (ioc->shost_recovery) |
| goto out; |
| scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid); |
| if (!scmd) |
| continue; |
| st = scsi_cmd_priv(scmd); |
| sdev = scmd->device; |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target) |
| continue; |
| /* skip hidden raid components */ |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) |
| continue; |
| /* skip volumes */ |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_VOLUME) |
| continue; |
| /* skip PCIe devices */ |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_PCIE_DEVICE) |
| continue; |
| |
| handle = sas_device_priv_data->sas_target->handle; |
| lun = sas_device_priv_data->lun; |
| query_count++; |
| |
| if (ioc->shost_recovery) |
| goto out; |
| |
| spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun, |
| MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, st->smid, |
| st->msix_io, 30, 0); |
| if (r == FAILED) { |
| sdev_printk(KERN_WARNING, sdev, |
| "mpt3sas_scsih_issue_tm: FAILED when sending " |
| "QUERY_TASK: scmd(%p)\n", scmd); |
| spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| goto broadcast_aen_retry; |
| } |
| ioc_status = le16_to_cpu(mpi_reply->IOCStatus) |
| & MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| sdev_printk(KERN_WARNING, sdev, |
| "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n", |
| ioc_status, scmd); |
| spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| goto broadcast_aen_retry; |
| } |
| |
| /* see if IO is still owned by IOC and target */ |
| if (mpi_reply->ResponseCode == |
| MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || |
| mpi_reply->ResponseCode == |
| MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) { |
| spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| continue; |
| } |
| task_abort_retries = 0; |
| tm_retry: |
| if (task_abort_retries++ == 60) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: ABORT_TASK: giving up\n", |
| __func__)); |
| spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| goto broadcast_aen_retry; |
| } |
| |
| if (ioc->shost_recovery) |
| goto out_no_lock; |
| |
| r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id, |
| sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, |
| st->smid, st->msix_io, 30, 0); |
| if (r == FAILED || st->cb_idx != 0xFF) { |
| sdev_printk(KERN_WARNING, sdev, |
| "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : " |
| "scmd(%p)\n", scmd); |
| goto tm_retry; |
| } |
| |
| if (task_abort_retries > 1) |
| sdev_printk(KERN_WARNING, sdev, |
| "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):" |
| " scmd(%p)\n", |
| task_abort_retries - 1, scmd); |
| |
| termination_count += le32_to_cpu(mpi_reply->TerminationCount); |
| spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| } |
| |
| if (ioc->broadcast_aen_pending) { |
| dewtprintk(ioc, |
| ioc_info(ioc, |
| "%s: loop back due to pending AEN\n", |
| __func__)); |
| ioc->broadcast_aen_pending = 0; |
| goto broadcast_aen_retry; |
| } |
| |
| out: |
| spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| out_no_lock: |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s - exit, query_count = %d termination_count = %d\n", |
| __func__, query_count, termination_count)); |
| |
| ioc->broadcast_aen_busy = 0; |
| if (!ioc->shost_recovery) |
| _scsih_ublock_io_all_device(ioc); |
| mutex_unlock(&ioc->tm_cmds.mutex); |
| } |
| |
| /** |
| * _scsih_sas_discovery_event - handle discovery events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| Mpi2EventDataSasDiscovery_t *event_data = |
| (Mpi2EventDataSasDiscovery_t *) fw_event->event_data; |
| |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { |
| ioc_info(ioc, "discovery event: (%s)", |
| event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED ? |
| "start" : "stop"); |
| if (event_data->DiscoveryStatus) |
| pr_cont("discovery_status(0x%08x)", |
| le32_to_cpu(event_data->DiscoveryStatus)); |
| pr_cont("\n"); |
| } |
| |
| if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && |
| !ioc->sas_hba.num_phys) { |
| if (disable_discovery > 0 && ioc->shost_recovery) { |
| /* Wait for the reset to complete */ |
| while (ioc->shost_recovery) |
| ssleep(1); |
| } |
| _scsih_sas_host_add(ioc); |
| } |
| } |
| |
| /** |
| * _scsih_sas_device_discovery_error_event - display SAS device discovery error |
| * events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_device_discovery_error_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| Mpi25EventDataSasDeviceDiscoveryError_t *event_data = |
| (Mpi25EventDataSasDeviceDiscoveryError_t *)fw_event->event_data; |
| |
| switch (event_data->ReasonCode) { |
| case MPI25_EVENT_SAS_DISC_ERR_SMP_FAILED: |
| ioc_warn(ioc, "SMP command sent to the expander (handle:0x%04x, sas_address:0x%016llx, physical_port:0x%02x) has failed\n", |
| le16_to_cpu(event_data->DevHandle), |
| (u64)le64_to_cpu(event_data->SASAddress), |
| event_data->PhysicalPort); |
| break; |
| case MPI25_EVENT_SAS_DISC_ERR_SMP_TIMEOUT: |
| ioc_warn(ioc, "SMP command sent to the expander (handle:0x%04x, sas_address:0x%016llx, physical_port:0x%02x) has timed out\n", |
| le16_to_cpu(event_data->DevHandle), |
| (u64)le64_to_cpu(event_data->SASAddress), |
| event_data->PhysicalPort); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /** |
| * _scsih_pcie_enumeration_event - handle enumeration events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _scsih_pcie_enumeration_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| Mpi26EventDataPCIeEnumeration_t *event_data = |
| (Mpi26EventDataPCIeEnumeration_t *)fw_event->event_data; |
| |
| if (!(ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)) |
| return; |
| |
| ioc_info(ioc, "pcie enumeration event: (%s) Flag 0x%02x", |
| (event_data->ReasonCode == MPI26_EVENT_PCIE_ENUM_RC_STARTED) ? |
| "started" : "completed", |
| event_data->Flags); |
| if (event_data->EnumerationStatus) |
| pr_cont("enumeration_status(0x%08x)", |
| le32_to_cpu(event_data->EnumerationStatus)); |
| pr_cont("\n"); |
| } |
| |
| /** |
| * _scsih_ir_fastpath - turn on fastpath for IR physdisk |
| * @ioc: per adapter object |
| * @handle: device handle for physical disk |
| * @phys_disk_num: physical disk number |
| * |
| * Return: 0 for success, else failure. |
| */ |
| static int |
| _scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num) |
| { |
| Mpi2RaidActionRequest_t *mpi_request; |
| Mpi2RaidActionReply_t *mpi_reply; |
| u16 smid; |
| u8 issue_reset = 0; |
| int rc = 0; |
| u16 ioc_status; |
| u32 log_info; |
| |
| if (ioc->hba_mpi_version_belonged == MPI2_VERSION) |
| return rc; |
| |
| mutex_lock(&ioc->scsih_cmds.mutex); |
| |
| if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) { |
| ioc_err(ioc, "%s: scsih_cmd in use\n", __func__); |
| rc = -EAGAIN; |
| goto out; |
| } |
| ioc->scsih_cmds.status = MPT3_CMD_PENDING; |
| |
| smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx); |
| if (!smid) { |
| ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); |
| ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; |
| rc = -EAGAIN; |
| goto out; |
| } |
| |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| ioc->scsih_cmds.smid = smid; |
| memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); |
| |
| mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; |
| mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN; |
| mpi_request->PhysDiskNum = phys_disk_num; |
| |
| dewtprintk(ioc, |
| ioc_info(ioc, "IR RAID_ACTION: turning fast path on for handle(0x%04x), phys_disk_num (0x%02x)\n", |
| handle, phys_disk_num)); |
| |
| init_completion(&ioc->scsih_cmds.done); |
| ioc->put_smid_default(ioc, smid); |
| wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); |
| |
| if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) { |
| mpt3sas_check_cmd_timeout(ioc, |
| ioc->scsih_cmds.status, mpi_request, |
| sizeof(Mpi2RaidActionRequest_t)/4, issue_reset); |
| rc = -EFAULT; |
| goto out; |
| } |
| |
| if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) { |
| |
| mpi_reply = ioc->scsih_cmds.reply; |
| ioc_status = le16_to_cpu(mpi_reply->IOCStatus); |
| if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) |
| log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
| else |
| log_info = 0; |
| ioc_status &= MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| dewtprintk(ioc, |
| ioc_info(ioc, "IR RAID_ACTION: failed: ioc_status(0x%04x), loginfo(0x%08x)!!!\n", |
| ioc_status, log_info)); |
| rc = -EFAULT; |
| } else |
| dewtprintk(ioc, |
| ioc_info(ioc, "IR RAID_ACTION: completed successfully\n")); |
| } |
| |
| out: |
| ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; |
| mutex_unlock(&ioc->scsih_cmds.mutex); |
| |
| if (issue_reset) |
| mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
| return rc; |
| } |
| |
| /** |
| * _scsih_reprobe_lun - reprobing lun |
| * @sdev: scsi device struct |
| * @no_uld_attach: sdev->no_uld_attach flag setting |
| * |
| **/ |
| static void |
| _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) |
| { |
| sdev->no_uld_attach = no_uld_attach ? 1 : 0; |
| sdev_printk(KERN_INFO, sdev, "%s raid component\n", |
| sdev->no_uld_attach ? "hiding" : "exposing"); |
| WARN_ON(scsi_device_reprobe(sdev)); |
| } |
| |
| /** |
| * _scsih_sas_volume_add - add new volume |
| * @ioc: per adapter object |
| * @element: IR config element data |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventIrConfigElement_t *element) |
| { |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| u64 wwid; |
| u16 handle = le16_to_cpu(element->VolDevHandle); |
| int rc; |
| |
| mpt3sas_config_get_volume_wwid(ioc, handle, &wwid); |
| if (!wwid) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| |
| if (raid_device) |
| return; |
| |
| raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); |
| if (!raid_device) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| raid_device->id = ioc->sas_id++; |
| raid_device->channel = RAID_CHANNEL; |
| raid_device->handle = handle; |
| raid_device->wwid = wwid; |
| _scsih_raid_device_add(ioc, raid_device); |
| if (!ioc->wait_for_discovery_to_complete) { |
| rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| raid_device->id, 0); |
| if (rc) |
| _scsih_raid_device_remove(ioc, raid_device); |
| } else { |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| _scsih_determine_boot_device(ioc, raid_device, 1); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| } |
| } |
| |
| /** |
| * _scsih_sas_volume_delete - delete volume |
| * @ioc: per adapter object |
| * @handle: volume device handle |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| struct scsi_target *starget = NULL; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); |
| if (raid_device) { |
| if (raid_device->starget) { |
| starget = raid_device->starget; |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| } |
| ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n", |
| raid_device->handle, (u64)raid_device->wwid); |
| list_del(&raid_device->list); |
| kfree(raid_device); |
| } |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| if (starget) |
| scsi_remove_target(&starget->dev); |
| } |
| |
| /** |
| * _scsih_sas_pd_expose - expose pd component to /dev/sdX |
| * @ioc: per adapter object |
| * @element: IR config element data |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventIrConfigElement_t *element) |
| { |
| struct _sas_device *sas_device; |
| struct scsi_target *starget = NULL; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| unsigned long flags; |
| u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
| if (sas_device) { |
| sas_device->volume_handle = 0; |
| sas_device->volume_wwid = 0; |
| clear_bit(handle, ioc->pd_handles); |
| if (sas_device->starget && sas_device->starget->hostdata) { |
| starget = sas_device->starget; |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->flags &= |
| ~MPT_TARGET_FLAGS_RAID_COMPONENT; |
| } |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (!sas_device) |
| return; |
| |
| /* exposing raid component */ |
| if (starget) |
| starget_for_each_device(starget, NULL, _scsih_reprobe_lun); |
| |
| sas_device_put(sas_device); |
| } |
| |
| /** |
| * _scsih_sas_pd_hide - hide pd component from /dev/sdX |
| * @ioc: per adapter object |
| * @element: IR config element data |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventIrConfigElement_t *element) |
| { |
| struct _sas_device *sas_device; |
| struct scsi_target *starget = NULL; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| unsigned long flags; |
| u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| u16 volume_handle = 0; |
| u64 volume_wwid = 0; |
| |
| mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle); |
| if (volume_handle) |
| mpt3sas_config_get_volume_wwid(ioc, volume_handle, |
| &volume_wwid); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
| if (sas_device) { |
| set_bit(handle, ioc->pd_handles); |
| if (sas_device->starget && sas_device->starget->hostdata) { |
| starget = sas_device->starget; |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->flags |= |
| MPT_TARGET_FLAGS_RAID_COMPONENT; |
| sas_device->volume_handle = volume_handle; |
| sas_device->volume_wwid = volume_wwid; |
| } |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (!sas_device) |
| return; |
| |
| /* hiding raid component */ |
| _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); |
| |
| if (starget) |
| starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun); |
| |
| sas_device_put(sas_device); |
| } |
| |
| /** |
| * _scsih_sas_pd_delete - delete pd component |
| * @ioc: per adapter object |
| * @element: IR config element data |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventIrConfigElement_t *element) |
| { |
| u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| |
| _scsih_device_remove_by_handle(ioc, handle); |
| } |
| |
| /** |
| * _scsih_sas_pd_add - remove pd component |
| * @ioc: per adapter object |
| * @element: IR config element data |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventIrConfigElement_t *element) |
| { |
| struct _sas_device *sas_device; |
| u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| u32 ioc_status; |
| u64 sas_address; |
| u16 parent_handle; |
| |
| set_bit(handle, ioc->pd_handles); |
| |
| sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); |
| if (sas_device) { |
| _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); |
| sas_device_put(sas_device); |
| return; |
| } |
| |
| if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
| if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) |
| mpt3sas_transport_update_links(ioc, sas_address, handle, |
| sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); |
| |
| _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); |
| _scsih_add_device(ioc, handle, 0, 1); |
| } |
| |
| /** |
| * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events |
| * @ioc: per adapter object |
| * @event_data: event data payload |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataIrConfigChangeList_t *event_data) |
| { |
| Mpi2EventIrConfigElement_t *element; |
| u8 element_type; |
| int i; |
| char *reason_str = NULL, *element_str = NULL; |
| |
| element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| |
| ioc_info(ioc, "raid config change: (%s), elements(%d)\n", |
| le32_to_cpu(event_data->Flags) & MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG ? |
| "foreign" : "native", |
| event_data->NumElements); |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| switch (element->ReasonCode) { |
| case MPI2_EVENT_IR_CHANGE_RC_ADDED: |
| reason_str = "add"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_REMOVED: |
| reason_str = "remove"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: |
| reason_str = "no change"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_HIDE: |
| reason_str = "hide"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: |
| reason_str = "unhide"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: |
| reason_str = "volume_created"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: |
| reason_str = "volume_deleted"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: |
| reason_str = "pd_created"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: |
| reason_str = "pd_deleted"; |
| break; |
| default: |
| reason_str = "unknown reason"; |
| break; |
| } |
| element_type = le16_to_cpu(element->ElementFlags) & |
| MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; |
| switch (element_type) { |
| case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: |
| element_str = "volume"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: |
| element_str = "phys disk"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: |
| element_str = "hot spare"; |
| break; |
| default: |
| element_str = "unknown element"; |
| break; |
| } |
| pr_info("\t(%s:%s), vol handle(0x%04x), " \ |
| "pd handle(0x%04x), pd num(0x%02x)\n", element_str, |
| reason_str, le16_to_cpu(element->VolDevHandle), |
| le16_to_cpu(element->PhysDiskDevHandle), |
| element->PhysDiskNum); |
| } |
| } |
| |
| /** |
| * _scsih_sas_ir_config_change_event - handle ir configuration change events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| Mpi2EventIrConfigElement_t *element; |
| int i; |
| u8 foreign_config; |
| Mpi2EventDataIrConfigChangeList_t *event_data = |
| (Mpi2EventDataIrConfigChangeList_t *) |
| fw_event->event_data; |
| |
| if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) && |
| (!ioc->hide_ir_msg)) |
| _scsih_sas_ir_config_change_event_debug(ioc, event_data); |
| |
| foreign_config = (le32_to_cpu(event_data->Flags) & |
| MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; |
| |
| element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| if (ioc->shost_recovery && |
| ioc->hba_mpi_version_belonged != MPI2_VERSION) { |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE) |
| _scsih_ir_fastpath(ioc, |
| le16_to_cpu(element->PhysDiskDevHandle), |
| element->PhysDiskNum); |
| } |
| return; |
| } |
| |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| |
| switch (element->ReasonCode) { |
| case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: |
| case MPI2_EVENT_IR_CHANGE_RC_ADDED: |
| if (!foreign_config) |
| _scsih_sas_volume_add(ioc, element); |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: |
| case MPI2_EVENT_IR_CHANGE_RC_REMOVED: |
| if (!foreign_config) |
| _scsih_sas_volume_delete(ioc, |
| le16_to_cpu(element->VolDevHandle)); |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: |
| if (!ioc->is_warpdrive) |
| _scsih_sas_pd_hide(ioc, element); |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: |
| if (!ioc->is_warpdrive) |
| _scsih_sas_pd_expose(ioc, element); |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_HIDE: |
| if (!ioc->is_warpdrive) |
| _scsih_sas_pd_add(ioc, element); |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: |
| if (!ioc->is_warpdrive) |
| _scsih_sas_pd_delete(ioc, element); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * _scsih_sas_ir_volume_event - IR volume event |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| u64 wwid; |
| unsigned long flags; |
| struct _raid_device *raid_device; |
| u16 handle; |
| u32 state; |
| int rc; |
| Mpi2EventDataIrVolume_t *event_data = |
| (Mpi2EventDataIrVolume_t *) fw_event->event_data; |
| |
| if (ioc->shost_recovery) |
| return; |
| |
| if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) |
| return; |
| |
| handle = le16_to_cpu(event_data->VolDevHandle); |
| state = le32_to_cpu(event_data->NewValue); |
| if (!ioc->hide_ir_msg) |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n", |
| __func__, handle, |
| le32_to_cpu(event_data->PreviousValue), |
| state)); |
| switch (state) { |
| case MPI2_RAID_VOL_STATE_MISSING: |
| case MPI2_RAID_VOL_STATE_FAILED: |
| _scsih_sas_volume_delete(ioc, handle); |
| break; |
| |
| case MPI2_RAID_VOL_STATE_ONLINE: |
| case MPI2_RAID_VOL_STATE_DEGRADED: |
| case MPI2_RAID_VOL_STATE_OPTIMAL: |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| |
| if (raid_device) |
| break; |
| |
| mpt3sas_config_get_volume_wwid(ioc, handle, &wwid); |
| if (!wwid) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| break; |
| } |
| |
| raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); |
| if (!raid_device) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| break; |
| } |
| |
| raid_device->id = ioc->sas_id++; |
| raid_device->channel = RAID_CHANNEL; |
| raid_device->handle = handle; |
| raid_device->wwid = wwid; |
| _scsih_raid_device_add(ioc, raid_device); |
| rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| raid_device->id, 0); |
| if (rc) |
| _scsih_raid_device_remove(ioc, raid_device); |
| break; |
| |
| case MPI2_RAID_VOL_STATE_INITIALIZING: |
| default: |
| break; |
| } |
| } |
| |
| /** |
| * _scsih_sas_ir_physical_disk_event - PD event |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| u16 handle, parent_handle; |
| u32 state; |
| struct _sas_device *sas_device; |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| u32 ioc_status; |
| Mpi2EventDataIrPhysicalDisk_t *event_data = |
| (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data; |
| u64 sas_address; |
| |
| if (ioc->shost_recovery) |
| return; |
| |
| if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) |
| return; |
| |
| handle = le16_to_cpu(event_data->PhysDiskDevHandle); |
| state = le32_to_cpu(event_data->NewValue); |
| |
| if (!ioc->hide_ir_msg) |
| dewtprintk(ioc, |
| ioc_info(ioc, "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n", |
| __func__, handle, |
| le32_to_cpu(event_data->PreviousValue), |
| state)); |
| |
| switch (state) { |
| case MPI2_RAID_PD_STATE_ONLINE: |
| case MPI2_RAID_PD_STATE_DEGRADED: |
| case MPI2_RAID_PD_STATE_REBUILDING: |
| case MPI2_RAID_PD_STATE_OPTIMAL: |
| case MPI2_RAID_PD_STATE_HOT_SPARE: |
| |
| if (!ioc->is_warpdrive) |
| set_bit(handle, ioc->pd_handles); |
| |
| sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); |
| if (sas_device) { |
| sas_device_put(sas_device); |
| return; |
| } |
| |
| if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, |
| handle))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
| if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) |
| mpt3sas_transport_update_links(ioc, sas_address, handle, |
| sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); |
| |
| _scsih_add_device(ioc, handle, 0, 1); |
| |
| break; |
| |
| case MPI2_RAID_PD_STATE_OFFLINE: |
| case MPI2_RAID_PD_STATE_NOT_CONFIGURED: |
| case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: |
| default: |
| break; |
| } |
| } |
| |
| /** |
| * _scsih_sas_ir_operation_status_event_debug - debug for IR op event |
| * @ioc: per adapter object |
| * @event_data: event data payload |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2EventDataIrOperationStatus_t *event_data) |
| { |
| char *reason_str = NULL; |
| |
| switch (event_data->RAIDOperation) { |
| case MPI2_EVENT_IR_RAIDOP_RESYNC: |
| reason_str = "resync"; |
| break; |
| case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: |
| reason_str = "online capacity expansion"; |
| break; |
| case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: |
| reason_str = "consistency check"; |
| break; |
| case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT: |
| reason_str = "background init"; |
| break; |
| case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT: |
| reason_str = "make data consistent"; |
| break; |
| } |
| |
| if (!reason_str) |
| return; |
| |
| ioc_info(ioc, "raid operational status: (%s)\thandle(0x%04x), percent complete(%d)\n", |
| reason_str, |
| le16_to_cpu(event_data->VolDevHandle), |
| event_data->PercentComplete); |
| } |
| |
| /** |
| * _scsih_sas_ir_operation_status_event - handle RAID operation events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| Mpi2EventDataIrOperationStatus_t *event_data = |
| (Mpi2EventDataIrOperationStatus_t *) |
| fw_event->event_data; |
| static struct _raid_device *raid_device; |
| unsigned long flags; |
| u16 handle; |
| |
| if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) && |
| (!ioc->hide_ir_msg)) |
| _scsih_sas_ir_operation_status_event_debug(ioc, |
| event_data); |
| |
| /* code added for raid transport support */ |
| if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| handle = le16_to_cpu(event_data->VolDevHandle); |
| raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); |
| if (raid_device) |
| raid_device->percent_complete = |
| event_data->PercentComplete; |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| } |
| } |
| |
| /** |
| * _scsih_prep_device_scan - initialize parameters prior to device scan |
| * @ioc: per adapter object |
| * |
| * Set the deleted flag prior to device scan. If the device is found during |
| * the scan, then we clear the deleted flag. |
| */ |
| static void |
| _scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct MPT3SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| sas_device_priv_data = sdev->hostdata; |
| if (sas_device_priv_data && sas_device_priv_data->sas_target) |
| sas_device_priv_data->sas_target->deleted = 1; |
| } |
| } |
| |
| /** |
| * _scsih_mark_responding_sas_device - mark a sas_devices as responding |
| * @ioc: per adapter object |
| * @sas_device_pg0: SAS Device page 0 |
| * |
| * After host reset, find out whether devices are still responding. |
| * Used in _scsih_remove_unresponsive_sas_devices. |
| */ |
| static void |
| _scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2SasDevicePage0_t *sas_device_pg0) |
| { |
| struct MPT3SAS_TARGET *sas_target_priv_data = NULL; |
| struct scsi_target *starget; |
| struct _sas_device *sas_device = NULL; |
| struct _enclosure_node *enclosure_dev = NULL; |
| unsigned long flags; |
| |
| if (sas_device_pg0->EnclosureHandle) { |
| enclosure_dev = |
| mpt3sas_scsih_enclosure_find_by_handle(ioc, |
| le16_to_cpu(sas_device_pg0->EnclosureHandle)); |
| if (enclosure_dev == NULL) |
| ioc_info(ioc, "Enclosure handle(0x%04x) doesn't match with enclosure device!\n", |
| sas_device_pg0->EnclosureHandle); |
| } |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| list_for_each_entry(sas_device, &ioc->sas_device_list, list) { |
| if ((sas_device->sas_address == le64_to_cpu( |
| sas_device_pg0->SASAddress)) && (sas_device->slot == |
| le16_to_cpu(sas_device_pg0->Slot))) { |
| sas_device->responding = 1; |
| starget = sas_device->starget; |
| if (starget && starget->hostdata) { |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->tm_busy = 0; |
| sas_target_priv_data->deleted = 0; |
| } else |
| sas_target_priv_data = NULL; |
| if (starget) { |
| starget_printk(KERN_INFO, starget, |
| "handle(0x%04x), sas_addr(0x%016llx)\n", |
| le16_to_cpu(sas_device_pg0->DevHandle), |
| (unsigned long long) |
| sas_device->sas_address); |
| |
| if (sas_device->enclosure_handle != 0) |
| starget_printk(KERN_INFO, starget, |
| "enclosure logical id(0x%016llx)," |
| " slot(%d)\n", |
| (unsigned long long) |
| sas_device->enclosure_logical_id, |
| sas_device->slot); |
| } |
| if (le16_to_cpu(sas_device_pg0->Flags) & |
| MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) { |
| sas_device->enclosure_level = |
| sas_device_pg0->EnclosureLevel; |
| memcpy(&sas_device->connector_name[0], |
| &sas_device_pg0->ConnectorName[0], 4); |
| } else { |
| sas_device->enclosure_level = 0; |
| sas_device->connector_name[0] = '\0'; |
| } |
| |
| sas_device->enclosure_handle = |
| le16_to_cpu(sas_device_pg0->EnclosureHandle); |
| sas_device->is_chassis_slot_valid = 0; |
| if (enclosure_dev) { |
| sas_device->enclosure_logical_id = le64_to_cpu( |
| enclosure_dev->pg0.EnclosureLogicalID); |
| if (le16_to_cpu(enclosure_dev->pg0.Flags) & |
| MPI2_SAS_ENCLS0_FLAGS_CHASSIS_SLOT_VALID) { |
| sas_device->is_chassis_slot_valid = 1; |
| sas_device->chassis_slot = |
| enclosure_dev->pg0.ChassisSlot; |
| } |
| } |
| |
| if (sas_device->handle == le16_to_cpu( |
| sas_device_pg0->DevHandle)) |
| goto out; |
| pr_info("\thandle changed from(0x%04x)!!!\n", |
| sas_device->handle); |
| sas_device->handle = le16_to_cpu( |
| sas_device_pg0->DevHandle); |
| if (sas_target_priv_data) |
| sas_target_priv_data->handle = |
| le16_to_cpu(sas_device_pg0->DevHandle); |
| goto out; |
| } |
| } |
| out: |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_create_enclosure_list_after_reset - Free Existing list, |
| * And create enclosure list by scanning all Enclosure Page(0)s |
| * @ioc: per adapter object |
| */ |
| static void |
| _scsih_create_enclosure_list_after_reset(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct _enclosure_node *enclosure_dev; |
| Mpi2ConfigReply_t mpi_reply; |
| u16 enclosure_handle; |
| int rc; |
| |
| /* Free existing enclosure list */ |
| mpt3sas_free_enclosure_list(ioc); |
| |
| /* Re constructing enclosure list after reset*/ |
| enclosure_handle = 0xFFFF; |
| do { |
| enclosure_dev = |
| kzalloc(sizeof(struct _enclosure_node), GFP_KERNEL); |
| if (!enclosure_dev) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| rc = mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply, |
| &enclosure_dev->pg0, |
| MPI2_SAS_ENCLOS_PGAD_FORM_GET_NEXT_HANDLE, |
| enclosure_handle); |
| |
| if (rc || (le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK)) { |
| kfree(enclosure_dev); |
| return; |
| } |
| list_add_tail(&enclosure_dev->list, |
| &ioc->enclosure_list); |
| enclosure_handle = |
| le16_to_cpu(enclosure_dev->pg0.EnclosureHandle); |
| } while (1); |
| } |
| |
| /** |
| * _scsih_search_responding_sas_devices - |
| * @ioc: per adapter object |
| * |
| * After host reset, find out whether devices are still responding. |
| * If not remove. |
| */ |
| static void |
| _scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc) |
| { |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u16 ioc_status; |
| u16 handle; |
| u32 device_info; |
| |
| ioc_info(ioc, "search for end-devices: start\n"); |
| |
| if (list_empty(&ioc->sas_device_list)) |
| goto out; |
| |
| handle = 0xFFFF; |
| while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, |
| handle))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| break; |
| handle = le16_to_cpu(sas_device_pg0.DevHandle); |
| device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| if (!(_scsih_is_end_device(device_info))) |
| continue; |
| _scsih_mark_responding_sas_device(ioc, &sas_device_pg0); |
| } |
| |
| out: |
| ioc_info(ioc, "search for end-devices: complete\n"); |
| } |
| |
| /** |
| * _scsih_mark_responding_pcie_device - mark a pcie_device as responding |
| * @ioc: per adapter object |
| * @pcie_device_pg0: PCIe Device page 0 |
| * |
| * After host reset, find out whether devices are still responding. |
| * Used in _scsih_remove_unresponding_devices. |
| */ |
| static void |
| _scsih_mark_responding_pcie_device(struct MPT3SAS_ADAPTER *ioc, |
| Mpi26PCIeDevicePage0_t *pcie_device_pg0) |
| { |
| struct MPT3SAS_TARGET *sas_target_priv_data = NULL; |
| struct scsi_target *starget; |
| struct _pcie_device *pcie_device; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) { |
| if ((pcie_device->wwid == le64_to_cpu(pcie_device_pg0->WWID)) |
| && (pcie_device->slot == le16_to_cpu( |
| pcie_device_pg0->Slot))) { |
| pcie_device->access_status = |
| pcie_device_pg0->AccessStatus; |
| pcie_device->responding = 1; |
| starget = pcie_device->starget; |
| if (starget && starget->hostdata) { |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->tm_busy = 0; |
| sas_target_priv_data->deleted = 0; |
| } else |
| sas_target_priv_data = NULL; |
| if (starget) { |
| starget_printk(KERN_INFO, starget, |
| "handle(0x%04x), wwid(0x%016llx) ", |
| pcie_device->handle, |
| (unsigned long long)pcie_device->wwid); |
| if (pcie_device->enclosure_handle != 0) |
| starget_printk(KERN_INFO, starget, |
| "enclosure logical id(0x%016llx), " |
| "slot(%d)\n", |
| (unsigned long long) |
| pcie_device->enclosure_logical_id, |
| pcie_device->slot); |
| } |
| |
| if (((le32_to_cpu(pcie_device_pg0->Flags)) & |
| MPI26_PCIEDEV0_FLAGS_ENCL_LEVEL_VALID) && |
| (ioc->hba_mpi_version_belonged != MPI2_VERSION)) { |
| pcie_device->enclosure_level = |
| pcie_device_pg0->EnclosureLevel; |
| memcpy(&pcie_device->connector_name[0], |
| &pcie_device_pg0->ConnectorName[0], 4); |
| } else { |
| pcie_device->enclosure_level = 0; |
| pcie_device->connector_name[0] = '\0'; |
| } |
| |
| if (pcie_device->handle == le16_to_cpu( |
| pcie_device_pg0->DevHandle)) |
| goto out; |
| pr_info("\thandle changed from(0x%04x)!!!\n", |
| pcie_device->handle); |
| pcie_device->handle = le16_to_cpu( |
| pcie_device_pg0->DevHandle); |
| if (sas_target_priv_data) |
| sas_target_priv_data->handle = |
| le16_to_cpu(pcie_device_pg0->DevHandle); |
| goto out; |
| } |
| } |
| |
| out: |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_search_responding_pcie_devices - |
| * @ioc: per adapter object |
| * |
| * After host reset, find out whether devices are still responding. |
| * If not remove. |
| */ |
| static void |
| _scsih_search_responding_pcie_devices(struct MPT3SAS_ADAPTER *ioc) |
| { |
| Mpi26PCIeDevicePage0_t pcie_device_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u16 ioc_status; |
| u16 handle; |
| u32 device_info; |
| |
| ioc_info(ioc, "search for end-devices: start\n"); |
| |
| if (list_empty(&ioc->pcie_device_list)) |
| goto out; |
| |
| handle = 0xFFFF; |
| while (!(mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply, |
| &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, |
| handle))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_info(ioc, "\tbreak from %s: ioc_status(0x%04x), loginfo(0x%08x)\n", |
| __func__, ioc_status, |
| le32_to_cpu(mpi_reply.IOCLogInfo)); |
| break; |
| } |
| handle = le16_to_cpu(pcie_device_pg0.DevHandle); |
| device_info = le32_to_cpu(pcie_device_pg0.DeviceInfo); |
| if (!(_scsih_is_nvme_pciescsi_device(device_info))) |
| continue; |
| _scsih_mark_responding_pcie_device(ioc, &pcie_device_pg0); |
| } |
| out: |
| ioc_info(ioc, "search for PCIe end-devices: complete\n"); |
| } |
| |
| /** |
| * _scsih_mark_responding_raid_device - mark a raid_device as responding |
| * @ioc: per adapter object |
| * @wwid: world wide identifier for raid volume |
| * @handle: device handle |
| * |
| * After host reset, find out whether devices are still responding. |
| * Used in _scsih_remove_unresponsive_raid_devices. |
| */ |
| static void |
| _scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid, |
| u16 handle) |
| { |
| struct MPT3SAS_TARGET *sas_target_priv_data = NULL; |
| struct scsi_target *starget; |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| list_for_each_entry(raid_device, &ioc->raid_device_list, list) { |
| if (raid_device->wwid == wwid && raid_device->starget) { |
| starget = raid_device->starget; |
| if (starget && starget->hostdata) { |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->deleted = 0; |
| } else |
| sas_target_priv_data = NULL; |
| raid_device->responding = 1; |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| starget_printk(KERN_INFO, raid_device->starget, |
| "handle(0x%04x), wwid(0x%016llx)\n", handle, |
| (unsigned long long)raid_device->wwid); |
| |
| /* |
| * WARPDRIVE: The handles of the PDs might have changed |
| * across the host reset so re-initialize the |
| * required data for Direct IO |
| */ |
| mpt3sas_init_warpdrive_properties(ioc, raid_device); |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| if (raid_device->handle == handle) { |
| spin_unlock_irqrestore(&ioc->raid_device_lock, |
| flags); |
| return; |
| } |
| pr_info("\thandle changed from(0x%04x)!!!\n", |
| raid_device->handle); |
| raid_device->handle = handle; |
| if (sas_target_priv_data) |
| sas_target_priv_data->handle = handle; |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| return; |
| } |
| } |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_search_responding_raid_devices - |
| * @ioc: per adapter object |
| * |
| * After host reset, find out whether devices are still responding. |
| * If not remove. |
| */ |
| static void |
| _scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc) |
| { |
| Mpi2RaidVolPage1_t volume_pg1; |
| Mpi2RaidVolPage0_t volume_pg0; |
| Mpi2RaidPhysDiskPage0_t pd_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u16 ioc_status; |
| u16 handle; |
| u8 phys_disk_num; |
| |
| if (!ioc->ir_firmware) |
| return; |
| |
| ioc_info(ioc, "search for raid volumes: start\n"); |
| |
| if (list_empty(&ioc->raid_device_list)) |
| goto out; |
| |
| handle = 0xFFFF; |
| while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply, |
| &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| break; |
| handle = le16_to_cpu(volume_pg1.DevHandle); |
| |
| if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, |
| &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, |
| sizeof(Mpi2RaidVolPage0_t))) |
| continue; |
| |
| if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || |
| volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || |
| volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) |
| _scsih_mark_responding_raid_device(ioc, |
| le64_to_cpu(volume_pg1.WWID), handle); |
| } |
| |
| /* refresh the pd_handles */ |
| if (!ioc->is_warpdrive) { |
| phys_disk_num = 0xFF; |
| memset(ioc->pd_handles, 0, ioc->pd_handles_sz); |
| while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply, |
| &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, |
| phys_disk_num))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| break; |
| phys_disk_num = pd_pg0.PhysDiskNum; |
| handle = le16_to_cpu(pd_pg0.DevHandle); |
| set_bit(handle, ioc->pd_handles); |
| } |
| } |
| out: |
| ioc_info(ioc, "search for responding raid volumes: complete\n"); |
| } |
| |
| /** |
| * _scsih_mark_responding_expander - mark a expander as responding |
| * @ioc: per adapter object |
| * @expander_pg0:SAS Expander Config Page0 |
| * |
| * After host reset, find out whether devices are still responding. |
| * Used in _scsih_remove_unresponsive_expanders. |
| */ |
| static void |
| _scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc, |
| Mpi2ExpanderPage0_t *expander_pg0) |
| { |
| struct _sas_node *sas_expander = NULL; |
| unsigned long flags; |
| int i; |
| struct _enclosure_node *enclosure_dev = NULL; |
| u16 handle = le16_to_cpu(expander_pg0->DevHandle); |
| u16 enclosure_handle = le16_to_cpu(expander_pg0->EnclosureHandle); |
| u64 sas_address = le64_to_cpu(expander_pg0->SASAddress); |
| |
| if (enclosure_handle) |
| enclosure_dev = |
| mpt3sas_scsih_enclosure_find_by_handle(ioc, |
| enclosure_handle); |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { |
| if (sas_expander->sas_address != sas_address) |
| continue; |
| sas_expander->responding = 1; |
| |
| if (enclosure_dev) { |
| sas_expander->enclosure_logical_id = |
| le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID); |
| sas_expander->enclosure_handle = |
| le16_to_cpu(expander_pg0->EnclosureHandle); |
| } |
| |
| if (sas_expander->handle == handle) |
| goto out; |
| pr_info("\texpander(0x%016llx): handle changed" \ |
| " from(0x%04x) to (0x%04x)!!!\n", |
| (unsigned long long)sas_expander->sas_address, |
| sas_expander->handle, handle); |
| sas_expander->handle = handle; |
| for (i = 0 ; i < sas_expander->num_phys ; i++) |
| sas_expander->phy[i].handle = handle; |
| goto out; |
| } |
| out: |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| } |
| |
| /** |
| * _scsih_search_responding_expanders - |
| * @ioc: per adapter object |
| * |
| * After host reset, find out whether devices are still responding. |
| * If not remove. |
| */ |
| static void |
| _scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc) |
| { |
| Mpi2ExpanderPage0_t expander_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u16 ioc_status; |
| u64 sas_address; |
| u16 handle; |
| |
| ioc_info(ioc, "search for expanders: start\n"); |
| |
| if (list_empty(&ioc->sas_expander_list)) |
| goto out; |
| |
| handle = 0xFFFF; |
| while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
| MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| break; |
| |
| handle = le16_to_cpu(expander_pg0.DevHandle); |
| sas_address = le64_to_cpu(expander_pg0.SASAddress); |
| pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n", |
| handle, |
| (unsigned long long)sas_address); |
| _scsih_mark_responding_expander(ioc, &expander_pg0); |
| } |
| |
| out: |
| ioc_info(ioc, "search for expanders: complete\n"); |
| } |
| |
| /** |
| * _scsih_remove_unresponding_devices - removing unresponding devices |
| * @ioc: per adapter object |
| */ |
| static void |
| _scsih_remove_unresponding_devices(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct _sas_device *sas_device, *sas_device_next; |
| struct _sas_node *sas_expander, *sas_expander_next; |
| struct _raid_device *raid_device, *raid_device_next; |
| struct _pcie_device *pcie_device, *pcie_device_next; |
| struct list_head tmp_list; |
| unsigned long flags; |
| LIST_HEAD(head); |
| |
| ioc_info(ioc, "removing unresponding devices: start\n"); |
| |
| /* removing unresponding end devices */ |
| ioc_info(ioc, "removing unresponding devices: end-devices\n"); |
| /* |
| * Iterate, pulling off devices marked as non-responding. We become the |
| * owner for the reference the list had on any object we prune. |
| */ |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| list_for_each_entry_safe(sas_device, sas_device_next, |
| &ioc->sas_device_list, list) { |
| if (!sas_device->responding) |
| list_move_tail(&sas_device->list, &head); |
| else |
| sas_device->responding = 0; |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| /* |
| * Now, uninitialize and remove the unresponding devices we pruned. |
| */ |
| list_for_each_entry_safe(sas_device, sas_device_next, &head, list) { |
| _scsih_remove_device(ioc, sas_device); |
| list_del_init(&sas_device->list); |
| sas_device_put(sas_device); |
| } |
| |
| ioc_info(ioc, "Removing unresponding devices: pcie end-devices\n"); |
| INIT_LIST_HEAD(&head); |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| list_for_each_entry_safe(pcie_device, pcie_device_next, |
| &ioc->pcie_device_list, list) { |
| if (!pcie_device->responding) |
| list_move_tail(&pcie_device->list, &head); |
| else |
| pcie_device->responding = 0; |
| } |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| |
| list_for_each_entry_safe(pcie_device, pcie_device_next, &head, list) { |
| _scsih_pcie_device_remove_from_sml(ioc, pcie_device); |
| list_del_init(&pcie_device->list); |
| pcie_device_put(pcie_device); |
| } |
| |
| /* removing unresponding volumes */ |
| if (ioc->ir_firmware) { |
| ioc_info(ioc, "removing unresponding devices: volumes\n"); |
| list_for_each_entry_safe(raid_device, raid_device_next, |
| &ioc->raid_device_list, list) { |
| if (!raid_device->responding) |
| _scsih_sas_volume_delete(ioc, |
| raid_device->handle); |
| else |
| raid_device->responding = 0; |
| } |
| } |
| |
| /* removing unresponding expanders */ |
| ioc_info(ioc, "removing unresponding devices: expanders\n"); |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| INIT_LIST_HEAD(&tmp_list); |
| list_for_each_entry_safe(sas_expander, sas_expander_next, |
| &ioc->sas_expander_list, list) { |
| if (!sas_expander->responding) |
| list_move_tail(&sas_expander->list, &tmp_list); |
| else |
| sas_expander->responding = 0; |
| } |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list, |
| list) { |
| _scsih_expander_node_remove(ioc, sas_expander); |
| } |
| |
| ioc_info(ioc, "removing unresponding devices: complete\n"); |
| |
| /* unblock devices */ |
| _scsih_ublock_io_all_device(ioc); |
| } |
| |
| static void |
| _scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_node *sas_expander, u16 handle) |
| { |
| Mpi2ExpanderPage1_t expander_pg1; |
| Mpi2ConfigReply_t mpi_reply; |
| int i; |
| |
| for (i = 0 ; i < sas_expander->num_phys ; i++) { |
| if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply, |
| &expander_pg1, i, handle))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| mpt3sas_transport_update_links(ioc, sas_expander->sas_address, |
| le16_to_cpu(expander_pg1.AttachedDevHandle), i, |
| expander_pg1.NegotiatedLinkRate >> 4); |
| } |
| } |
| |
| /** |
| * _scsih_scan_for_devices_after_reset - scan for devices after host reset |
| * @ioc: per adapter object |
| */ |
| static void |
| _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc) |
| { |
| Mpi2ExpanderPage0_t expander_pg0; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| Mpi26PCIeDevicePage0_t pcie_device_pg0; |
| Mpi2RaidVolPage1_t volume_pg1; |
| Mpi2RaidVolPage0_t volume_pg0; |
| Mpi2RaidPhysDiskPage0_t pd_pg0; |
| Mpi2EventIrConfigElement_t element; |
| Mpi2ConfigReply_t mpi_reply; |
| u8 phys_disk_num; |
| u16 ioc_status; |
| u16 handle, parent_handle; |
| u64 sas_address; |
| struct _sas_device *sas_device; |
| struct _pcie_device *pcie_device; |
| struct _sas_node *expander_device; |
| static struct _raid_device *raid_device; |
| u8 retry_count; |
| unsigned long flags; |
| |
| ioc_info(ioc, "scan devices: start\n"); |
| |
| _scsih_sas_host_refresh(ioc); |
| |
| ioc_info(ioc, "\tscan devices: expanders start\n"); |
| |
| /* expanders */ |
| handle = 0xFFFF; |
| while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
| MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_info(ioc, "\tbreak from expander scan: ioc_status(0x%04x), loginfo(0x%08x)\n", |
| ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo)); |
| break; |
| } |
| handle = le16_to_cpu(expander_pg0.DevHandle); |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| expander_device = mpt3sas_scsih_expander_find_by_sas_address( |
| ioc, le64_to_cpu(expander_pg0.SASAddress)); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| if (expander_device) |
| _scsih_refresh_expander_links(ioc, expander_device, |
| handle); |
| else { |
| ioc_info(ioc, "\tBEFORE adding expander: handle (0x%04x), sas_addr(0x%016llx)\n", |
| handle, |
| (u64)le64_to_cpu(expander_pg0.SASAddress)); |
| _scsih_expander_add(ioc, handle); |
| ioc_info(ioc, "\tAFTER adding expander: handle (0x%04x), sas_addr(0x%016llx)\n", |
| handle, |
| (u64)le64_to_cpu(expander_pg0.SASAddress)); |
| } |
| } |
| |
| ioc_info(ioc, "\tscan devices: expanders complete\n"); |
| |
| if (!ioc->ir_firmware) |
| goto skip_to_sas; |
| |
| ioc_info(ioc, "\tscan devices: phys disk start\n"); |
| |
| /* phys disk */ |
| phys_disk_num = 0xFF; |
| while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply, |
| &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, |
| phys_disk_num))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_info(ioc, "\tbreak from phys disk scan: ioc_status(0x%04x), loginfo(0x%08x)\n", |
| ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo)); |
| break; |
| } |
| phys_disk_num = pd_pg0.PhysDiskNum; |
| handle = le16_to_cpu(pd_pg0.DevHandle); |
| sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); |
| if (sas_device) { |
| sas_device_put(sas_device); |
| continue; |
| } |
| if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, |
| handle) != 0) |
| continue; |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_info(ioc, "\tbreak from phys disk scan ioc_status(0x%04x), loginfo(0x%08x)\n", |
| ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo)); |
| break; |
| } |
| parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
| if (!_scsih_get_sas_address(ioc, parent_handle, |
| &sas_address)) { |
| ioc_info(ioc, "\tBEFORE adding phys disk: handle (0x%04x), sas_addr(0x%016llx)\n", |
| handle, |
| (u64)le64_to_cpu(sas_device_pg0.SASAddress)); |
| mpt3sas_transport_update_links(ioc, sas_address, |
| handle, sas_device_pg0.PhyNum, |
| MPI2_SAS_NEG_LINK_RATE_1_5); |
| set_bit(handle, ioc->pd_handles); |
| retry_count = 0; |
| /* This will retry adding the end device. |
| * _scsih_add_device() will decide on retries and |
| * return "1" when it should be retried |
| */ |
| while (_scsih_add_device(ioc, handle, retry_count++, |
| 1)) { |
| ssleep(1); |
| } |
| ioc_info(ioc, "\tAFTER adding phys disk: handle (0x%04x), sas_addr(0x%016llx)\n", |
| handle, |
| (u64)le64_to_cpu(sas_device_pg0.SASAddress)); |
| } |
| } |
| |
| ioc_info(ioc, "\tscan devices: phys disk complete\n"); |
| |
| ioc_info(ioc, "\tscan devices: volumes start\n"); |
| |
| /* volumes */ |
| handle = 0xFFFF; |
| while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply, |
| &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_info(ioc, "\tbreak from volume scan: ioc_status(0x%04x), loginfo(0x%08x)\n", |
| ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo)); |
| break; |
| } |
| handle = le16_to_cpu(volume_pg1.DevHandle); |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_wwid(ioc, |
| le64_to_cpu(volume_pg1.WWID)); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| if (raid_device) |
| continue; |
| if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, |
| &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, |
| sizeof(Mpi2RaidVolPage0_t))) |
| continue; |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_info(ioc, "\tbreak from volume scan: ioc_status(0x%04x), loginfo(0x%08x)\n", |
| ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo)); |
| break; |
| } |
| if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || |
| volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || |
| volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) { |
| memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t)); |
| element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED; |
| element.VolDevHandle = volume_pg1.DevHandle; |
| ioc_info(ioc, "\tBEFORE adding volume: handle (0x%04x)\n", |
| volume_pg1.DevHandle); |
| _scsih_sas_volume_add(ioc, &element); |
| ioc_info(ioc, "\tAFTER adding volume: handle (0x%04x)\n", |
| volume_pg1.DevHandle); |
| } |
| } |
| |
| ioc_info(ioc, "\tscan devices: volumes complete\n"); |
| |
| skip_to_sas: |
| |
| ioc_info(ioc, "\tscan devices: end devices start\n"); |
| |
| /* sas devices */ |
| handle = 0xFFFF; |
| while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, |
| handle))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_info(ioc, "\tbreak from end device scan: ioc_status(0x%04x), loginfo(0x%08x)\n", |
| ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo)); |
| break; |
| } |
| handle = le16_to_cpu(sas_device_pg0.DevHandle); |
| if (!(_scsih_is_end_device( |
| le32_to_cpu(sas_device_pg0.DeviceInfo)))) |
| continue; |
| sas_device = mpt3sas_get_sdev_by_addr(ioc, |
| le64_to_cpu(sas_device_pg0.SASAddress)); |
| if (sas_device) { |
| sas_device_put(sas_device); |
| continue; |
| } |
| parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
| if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) { |
| ioc_info(ioc, "\tBEFORE adding end device: handle (0x%04x), sas_addr(0x%016llx)\n", |
| handle, |
| (u64)le64_to_cpu(sas_device_pg0.SASAddress)); |
| mpt3sas_transport_update_links(ioc, sas_address, handle, |
| sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); |
| retry_count = 0; |
| /* This will retry adding the end device. |
| * _scsih_add_device() will decide on retries and |
| * return "1" when it should be retried |
| */ |
| while (_scsih_add_device(ioc, handle, retry_count++, |
| 0)) { |
| ssleep(1); |
| } |
| ioc_info(ioc, "\tAFTER adding end device: handle (0x%04x), sas_addr(0x%016llx)\n", |
| handle, |
| (u64)le64_to_cpu(sas_device_pg0.SASAddress)); |
| } |
| } |
| ioc_info(ioc, "\tscan devices: end devices complete\n"); |
| ioc_info(ioc, "\tscan devices: pcie end devices start\n"); |
| |
| /* pcie devices */ |
| handle = 0xFFFF; |
| while (!(mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply, |
| &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, |
| handle))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) |
| & MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| ioc_info(ioc, "\tbreak from pcie end device scan: ioc_status(0x%04x), loginfo(0x%08x)\n", |
| ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo)); |
| break; |
| } |
| handle = le16_to_cpu(pcie_device_pg0.DevHandle); |
| if (!(_scsih_is_nvme_pciescsi_device( |
| le32_to_cpu(pcie_device_pg0.DeviceInfo)))) |
| continue; |
| pcie_device = mpt3sas_get_pdev_by_wwid(ioc, |
| le64_to_cpu(pcie_device_pg0.WWID)); |
| if (pcie_device) { |
| pcie_device_put(pcie_device); |
| continue; |
| } |
| retry_count = 0; |
| parent_handle = le16_to_cpu(pcie_device_pg0.ParentDevHandle); |
| _scsih_pcie_add_device(ioc, handle); |
| |
| ioc_info(ioc, "\tAFTER adding pcie end device: handle (0x%04x), wwid(0x%016llx)\n", |
| handle, (u64)le64_to_cpu(pcie_device_pg0.WWID)); |
| } |
| ioc_info(ioc, "\tpcie devices: pcie end devices complete\n"); |
| ioc_info(ioc, "scan devices: complete\n"); |
| } |
| |
| /** |
| * mpt3sas_scsih_reset_handler - reset callback handler (for scsih) |
| * @ioc: per adapter object |
| * |
| * The handler for doing any required cleanup or initialization. |
| */ |
| void mpt3sas_scsih_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc) |
| { |
| dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_PRE_RESET\n", __func__)); |
| } |
| |
| /** |
| * mpt3sas_scsih_clear_outstanding_scsi_tm_commands - clears outstanding |
| * scsi & tm cmds. |
| * @ioc: per adapter object |
| * |
| * The handler for doing any required cleanup or initialization. |
| */ |
| void |
| mpt3sas_scsih_clear_outstanding_scsi_tm_commands(struct MPT3SAS_ADAPTER *ioc) |
| { |
| dtmprintk(ioc, |
| ioc_info(ioc, "%s: clear outstanding scsi & tm cmds\n", __func__)); |
| if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) { |
| ioc->scsih_cmds.status |= MPT3_CMD_RESET; |
| mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid); |
| complete(&ioc->scsih_cmds.done); |
| } |
| if (ioc->tm_cmds.status & MPT3_CMD_PENDING) { |
| ioc->tm_cmds.status |= MPT3_CMD_RESET; |
| mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid); |
| complete(&ioc->tm_cmds.done); |
| } |
| |
| memset(ioc->pend_os_device_add, 0, ioc->pend_os_device_add_sz); |
| memset(ioc->device_remove_in_progress, 0, |
| ioc->device_remove_in_progress_sz); |
| _scsih_fw_event_cleanup_queue(ioc); |
| _scsih_flush_running_cmds(ioc); |
| } |
| |
| /** |
| * mpt3sas_scsih_reset_handler - reset callback handler (for scsih) |
| * @ioc: per adapter object |
| * |
| * The handler for doing any required cleanup or initialization. |
| */ |
| void |
| mpt3sas_scsih_reset_done_handler(struct MPT3SAS_ADAPTER *ioc) |
| { |
| dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_DONE_RESET\n", __func__)); |
| if ((!ioc->is_driver_loading) && !(disable_discovery > 0 && |
| !ioc->sas_hba.num_phys)) { |
| _scsih_prep_device_scan(ioc); |
| _scsih_create_enclosure_list_after_reset(ioc); |
| _scsih_search_responding_sas_devices(ioc); |
| _scsih_search_responding_pcie_devices(ioc); |
| _scsih_search_responding_raid_devices(ioc); |
| _scsih_search_responding_expanders(ioc); |
| _scsih_error_recovery_delete_devices(ioc); |
| } |
| } |
| |
| /** |
| * _mpt3sas_fw_work - delayed task for processing firmware events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| */ |
| static void |
| _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) |
| { |
| ioc->current_event = fw_event; |
| _scsih_fw_event_del_from_list(ioc, fw_event); |
| |
| /* the queue is being flushed so ignore this event */ |
| if (ioc->remove_host || ioc->pci_error_recovery) { |
| fw_event_work_put(fw_event); |
| ioc->current_event = NULL; |
| return; |
| } |
| |
| switch (fw_event->event) { |
| case MPT3SAS_PROCESS_TRIGGER_DIAG: |
| mpt3sas_process_trigger_data(ioc, |
| (struct SL_WH_TRIGGERS_EVENT_DATA_T *) |
| fw_event->event_data); |
| break; |
| case MPT3SAS_REMOVE_UNRESPONDING_DEVICES: |
| while (scsi_host_in_recovery(ioc->shost) || |
| ioc->shost_recovery) { |
| /* |
| * If we're unloading or cancelling the work, bail. |
| * Otherwise, this can become an infinite loop. |
| */ |
| if (ioc->remove_host || ioc->fw_events_cleanup) |
| goto out; |
| ssleep(1); |
| } |
| _scsih_remove_unresponding_devices(ioc); |
| _scsih_scan_for_devices_after_reset(ioc); |
| _scsih_set_nvme_max_shutdown_latency(ioc); |
| break; |
| case MPT3SAS_PORT_ENABLE_COMPLETE: |
| ioc->start_scan = 0; |
| if (missing_delay[0] != -1 && missing_delay[1] != -1) |
| mpt3sas_base_update_missing_delay(ioc, missing_delay[0], |
| missing_delay[1]); |
| dewtprintk(ioc, |
| ioc_info(ioc, "port enable: complete from worker thread\n")); |
| break; |
| case MPT3SAS_TURN_ON_PFA_LED: |
| _scsih_turn_on_pfa_led(ioc, fw_event->device_handle); |
| break; |
| case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: |
| _scsih_sas_topology_change_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| _scsih_sas_device_status_change_event_debug(ioc, |
| (Mpi2EventDataSasDeviceStatusChange_t *) |
| fw_event->event_data); |
| break; |
| case MPI2_EVENT_SAS_DISCOVERY: |
| _scsih_sas_discovery_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR: |
| _scsih_sas_device_discovery_error_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
| _scsih_sas_broadcast_primitive_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: |
| _scsih_sas_enclosure_dev_status_change_event(ioc, |
| fw_event); |
| break; |
| case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: |
| _scsih_sas_ir_config_change_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_IR_VOLUME: |
| _scsih_sas_ir_volume_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_IR_PHYSICAL_DISK: |
| _scsih_sas_ir_physical_disk_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_IR_OPERATION_STATUS: |
| _scsih_sas_ir_operation_status_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE: |
| _scsih_pcie_device_status_change_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_PCIE_ENUMERATION: |
| _scsih_pcie_enumeration_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST: |
| _scsih_pcie_topology_change_event(ioc, fw_event); |
| ioc->current_event = NULL; |
| return; |
| break; |
| } |
| out: |
| fw_event_work_put(fw_event); |
| ioc->current_event = NULL; |
| } |
| |
| /** |
| * _firmware_event_work |
| * @work: The fw_event_work object |
| * Context: user. |
| * |
| * wrappers for the work thread handling firmware events |
| */ |
| |
| static void |
| _firmware_event_work(struct work_struct *work) |
| { |
| struct fw_event_work *fw_event = container_of(work, |
| struct fw_event_work, work); |
| |
| _mpt3sas_fw_work(fw_event->ioc, fw_event); |
| } |
| |
| /** |
| * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time) |
| * @ioc: per adapter object |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * Context: interrupt. |
| * |
| * This function merely adds a new work task into ioc->firmware_event_thread. |
| * The tasks are worked from _firmware_event_work in user context. |
| * |
| * Return: 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| u8 |
| mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, |
| u32 reply) |
| { |
| struct fw_event_work *fw_event; |
| Mpi2EventNotificationReply_t *mpi_reply; |
| u16 event; |
| u16 sz; |
| Mpi26EventDataActiveCableExcept_t *ActiveCableEventData; |
| |
| /* events turned off due to host reset */ |
| if (ioc->pci_error_recovery) |
| return 1; |
| |
| mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| |
| if (unlikely(!mpi_reply)) { |
| ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return 1; |
| } |
| |
| event = le16_to_cpu(mpi_reply->Event); |
| |
| if (event != MPI2_EVENT_LOG_ENTRY_ADDED) |
| mpt3sas_trigger_event(ioc, event, 0); |
| |
| switch (event) { |
| /* handle these */ |
| case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
| { |
| Mpi2EventDataSasBroadcastPrimitive_t *baen_data = |
| (Mpi2EventDataSasBroadcastPrimitive_t *) |
| mpi_reply->EventData; |
| |
| if (baen_data->Primitive != |
| MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT) |
| return 1; |
| |
| if (ioc->broadcast_aen_busy) { |
| ioc->broadcast_aen_pending++; |
| return 1; |
| } else |
| ioc->broadcast_aen_busy = 1; |
| break; |
| } |
| |
| case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: |
| _scsih_check_topo_delete_events(ioc, |
| (Mpi2EventDataSasTopologyChangeList_t *) |
| mpi_reply->EventData); |
| break; |
| case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST: |
| _scsih_check_pcie_topo_remove_events(ioc, |
| (Mpi26EventDataPCIeTopologyChangeList_t *) |
| mpi_reply->EventData); |
| break; |
| case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: |
| _scsih_check_ir_config_unhide_events(ioc, |
| (Mpi2EventDataIrConfigChangeList_t *) |
| mpi_reply->EventData); |
| break; |
| case MPI2_EVENT_IR_VOLUME: |
| _scsih_check_volume_delete_events(ioc, |
| (Mpi2EventDataIrVolume_t *) |
| mpi_reply->EventData); |
| break; |
| case MPI2_EVENT_LOG_ENTRY_ADDED: |
| { |
| Mpi2EventDataLogEntryAdded_t *log_entry; |
| u32 *log_code; |
| |
| if (!ioc->is_warpdrive) |
| break; |
| |
| log_entry = (Mpi2EventDataLogEntryAdded_t *) |
| mpi_reply->EventData; |
| log_code = (u32 *)log_entry->LogData; |
| |
| if (le16_to_cpu(log_entry->LogEntryQualifier) |
| != MPT2_WARPDRIVE_LOGENTRY) |
| break; |
| |
| switch (le32_to_cpu(*log_code)) { |
| case MPT2_WARPDRIVE_LC_SSDT: |
| ioc_warn(ioc, "WarpDrive Warning: IO Throttling has occurred in the WarpDrive subsystem. Check WarpDrive documentation for additional details.\n"); |
| break; |
| case MPT2_WARPDRIVE_LC_SSDLW: |
| ioc_warn(ioc, "WarpDrive Warning: Program/Erase Cycles for the WarpDrive subsystem in degraded range. Check WarpDrive documentation for additional details.\n"); |
| break; |
| case MPT2_WARPDRIVE_LC_SSDLF: |
| ioc_err(ioc, "WarpDrive Fatal Error: There are no Program/Erase Cycles for the WarpDrive subsystem. The storage device will be in read-only mode. Check WarpDrive documentation for additional details.\n"); |
| break; |
| case MPT2_WARPDRIVE_LC_BRMF: |
| ioc_err(ioc, "WarpDrive Fatal Error: The Backup Rail Monitor has failed on the WarpDrive subsystem. Check WarpDrive documentation for additional details.\n"); |
| break; |
| } |
| |
| break; |
| } |
| case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
| _scsih_sas_device_status_change_event(ioc, |
| (Mpi2EventDataSasDeviceStatusChange_t *) |
| mpi_reply->EventData); |
| break; |
| case MPI2_EVENT_IR_OPERATION_STATUS: |
| case MPI2_EVENT_SAS_DISCOVERY: |
| case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR: |
| case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: |
| case MPI2_EVENT_IR_PHYSICAL_DISK: |
| case MPI2_EVENT_PCIE_ENUMERATION: |
| case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE: |
| break; |
| |
| case MPI2_EVENT_TEMP_THRESHOLD: |
| _scsih_temp_threshold_events(ioc, |
| (Mpi2EventDataTemperature_t *) |
| mpi_reply->EventData); |
| break; |
| case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION: |
| ActiveCableEventData = |
| (Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData; |
| switch (ActiveCableEventData->ReasonCode) { |
| case MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER: |
| ioc_notice(ioc, "Currently an active cable with ReceptacleID %d\n", |
| ActiveCableEventData->ReceptacleID); |
| pr_notice("cannot be powered and devices connected\n"); |
| pr_notice("to this active cable will not be seen\n"); |
| pr_notice("This active cable requires %d mW of power\n", |
| ActiveCableEventData->ActiveCablePowerRequirement); |
| break; |
| |
| case MPI26_EVENT_ACTIVE_CABLE_DEGRADED: |
| ioc_notice(ioc, "Currently a cable with ReceptacleID %d\n", |
| ActiveCableEventData->ReceptacleID); |
| pr_notice( |
| "is not running at optimal speed(12 Gb/s rate)\n"); |
| break; |
| } |
| |
| break; |
| |
| default: /* ignore the rest */ |
| return 1; |
| } |
| |
| sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; |
| fw_event = alloc_fw_event_work(sz); |
| if (!fw_event) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| return 1; |
| } |
| |
| memcpy(fw_event->event_data, mpi_reply->EventData, sz); |
| fw_event->ioc = ioc; |
| fw_event->VF_ID = mpi_reply->VF_ID; |
| fw_event->VP_ID = mpi_reply->VP_ID; |
| fw_event->event = event; |
| _scsih_fw_event_add(ioc, fw_event); |
| fw_event_work_put(fw_event); |
| return 1; |
| } |
| |
| /** |
| * _scsih_expander_node_remove - removing expander device from list. |
| * @ioc: per adapter object |
| * @sas_expander: the sas_device object |
| * |
| * Removing object and freeing associated memory from the |
| * ioc->sas_expander_list. |
| */ |
| static void |
| _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_node *sas_expander) |
| { |
| struct _sas_port *mpt3sas_port, *next; |
| unsigned long flags; |
| |
| /* remove sibling ports attached to this expander */ |
| list_for_each_entry_safe(mpt3sas_port, next, |
| &sas_expander->sas_port_list, port_list) { |
| if (ioc->shost_recovery) |
| return; |
| if (mpt3sas_port->remote_identify.device_type == |
| SAS_END_DEVICE) |
| mpt3sas_device_remove_by_sas_address(ioc, |
| mpt3sas_port->remote_identify.sas_address); |
| else if (mpt3sas_port->remote_identify.device_type == |
| SAS_EDGE_EXPANDER_DEVICE || |
| mpt3sas_port->remote_identify.device_type == |
| SAS_FANOUT_EXPANDER_DEVICE) |
| mpt3sas_expander_remove(ioc, |
| mpt3sas_port->remote_identify.sas_address); |
| } |
| |
| mpt3sas_transport_port_remove(ioc, sas_expander->sas_address, |
| sas_expander->sas_address_parent); |
| |
| ioc_info(ioc, "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n", |
| sas_expander->handle, (unsigned long long) |
| sas_expander->sas_address); |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| list_del(&sas_expander->list); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| |
| kfree(sas_expander->phy); |
| kfree(sas_expander); |
| } |
| |
| /** |
| * _scsih_nvme_shutdown - NVMe shutdown notification |
| * @ioc: per adapter object |
| * |
| * Sending IoUnitControl request with shutdown operation code to alert IOC that |
| * the host system is shutting down so that IOC can issue NVMe shutdown to |
| * NVMe drives attached to it. |
| */ |
| static void |
| _scsih_nvme_shutdown(struct MPT3SAS_ADAPTER *ioc) |
| { |
| Mpi26IoUnitControlRequest_t *mpi_request; |
| Mpi26IoUnitControlReply_t *mpi_reply; |
| u16 smid; |
| |
| /* are there any NVMe devices ? */ |
| if (list_empty(&ioc->pcie_device_list)) |
| return; |
| |
| mutex_lock(&ioc->scsih_cmds.mutex); |
| |
| if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) { |
| ioc_err(ioc, "%s: scsih_cmd in use\n", __func__); |
| goto out; |
| } |
| |
| ioc->scsih_cmds.status = MPT3_CMD_PENDING; |
| |
| smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx); |
| if (!smid) { |
| ioc_err(ioc, |
| "%s: failed obtaining a smid\n", __func__); |
| ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; |
| goto out; |
| } |
| |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| ioc->scsih_cmds.smid = smid; |
| memset(mpi_request, 0, sizeof(Mpi26IoUnitControlRequest_t)); |
| mpi_request->Function = MPI2_FUNCTION_IO_UNIT_CONTROL; |
| mpi_request->Operation = MPI26_CTRL_OP_SHUTDOWN; |
| |
| init_completion(&ioc->scsih_cmds.done); |
| ioc->put_smid_default(ioc, smid); |
| /* Wait for max_shutdown_latency seconds */ |
| ioc_info(ioc, |
| "Io Unit Control shutdown (sending), Shutdown latency %d sec\n", |
| ioc->max_shutdown_latency); |
| wait_for_completion_timeout(&ioc->scsih_cmds.done, |
| ioc->max_shutdown_latency*HZ); |
| |
| if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) { |
| ioc_err(ioc, "%s: timeout\n", __func__); |
| goto out; |
| } |
| |
| if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) { |
| mpi_reply = ioc->scsih_cmds.reply; |
| ioc_info(ioc, "Io Unit Control shutdown (complete):" |
| "ioc_status(0x%04x), loginfo(0x%08x)\n", |
| le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo)); |
| } |
| out: |
| ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; |
| mutex_unlock(&ioc->scsih_cmds.mutex); |
| } |
| |
| |
| /** |
| * _scsih_ir_shutdown - IR shutdown notification |
| * @ioc: per adapter object |
| * |
| * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that |
| * the host system is shutting down. |
| */ |
| static void |
| _scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc) |
| { |
| Mpi2RaidActionRequest_t *mpi_request; |
| Mpi2RaidActionReply_t *mpi_reply; |
| u16 smid; |
| |
| /* is IR firmware build loaded ? */ |
| if (!ioc->ir_firmware) |
| return; |
| |
| /* are there any volumes ? */ |
| if (list_empty(&ioc->raid_device_list)) |
| return; |
| |
| mutex_lock(&ioc->scsih_cmds.mutex); |
| |
| if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) { |
| ioc_err(ioc, "%s: scsih_cmd in use\n", __func__); |
| goto out; |
| } |
| ioc->scsih_cmds.status = MPT3_CMD_PENDING; |
| |
| smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx); |
| if (!smid) { |
| ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); |
| ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; |
| goto out; |
| } |
| |
| mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| ioc->scsih_cmds.smid = smid; |
| memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); |
| |
| mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; |
| mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; |
| |
| if (!ioc->hide_ir_msg) |
| ioc_info(ioc, "IR shutdown (sending)\n"); |
| init_completion(&ioc->scsih_cmds.done); |
| ioc->put_smid_default(ioc, smid); |
| wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); |
| |
| if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) { |
| ioc_err(ioc, "%s: timeout\n", __func__); |
| goto out; |
| } |
| |
| if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) { |
| mpi_reply = ioc->scsih_cmds.reply; |
| if (!ioc->hide_ir_msg) |
| ioc_info(ioc, "IR shutdown (complete): ioc_status(0x%04x), loginfo(0x%08x)\n", |
| le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo)); |
| } |
| |
| out: |
| ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; |
| mutex_unlock(&ioc->scsih_cmds.mutex); |
| } |
| |
| /** |
| * _scsih_get_shost_and_ioc - get shost and ioc |
| * and verify whether they are NULL or not |
| * @pdev: PCI device struct |
| * @shost: address of scsi host pointer |
| * @ioc: address of HBA adapter pointer |
| * |
| * Return zero if *shost and *ioc are not NULL otherwise return error number. |
| */ |
| static int |
| _scsih_get_shost_and_ioc(struct pci_dev *pdev, |
| struct Scsi_Host **shost, struct MPT3SAS_ADAPTER **ioc) |
| { |
| *shost = pci_get_drvdata(pdev); |
| if (*shost == NULL) { |
| dev_err(&pdev->dev, "pdev's driver data is null\n"); |
| return -ENXIO; |
| } |
| |
| *ioc = shost_priv(*shost); |
| if (*ioc == NULL) { |
| dev_err(&pdev->dev, "shost's private data is null\n"); |
| return -ENXIO; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * scsih_remove - detach and remove add host |
| * @pdev: PCI device struct |
| * |
| * Routine called when unloading the driver. |
| */ |
| static void scsih_remove(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost; |
| struct MPT3SAS_ADAPTER *ioc; |
| struct _sas_port *mpt3sas_port, *next_port; |
| struct _raid_device *raid_device, *next; |
| struct MPT3SAS_TARGET *sas_target_priv_data; |
| struct _pcie_device *pcie_device, *pcienext; |
| struct workqueue_struct *wq; |
| unsigned long flags; |
| Mpi2ConfigReply_t mpi_reply; |
| |
| if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc)) |
| return; |
| |
| ioc->remove_host = 1; |
| |
| if (!pci_device_is_present(pdev)) |
| _scsih_flush_running_cmds(ioc); |
| |
| _scsih_fw_event_cleanup_queue(ioc); |
| |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| wq = ioc->firmware_event_thread; |
| ioc->firmware_event_thread = NULL; |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| if (wq) |
| destroy_workqueue(wq); |
| /* |
| * Copy back the unmodified ioc page1. so that on next driver load, |
| * current modified changes on ioc page1 won't take effect. |
| */ |
| if (ioc->is_aero_ioc) |
| mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, |
| &ioc->ioc_pg1_copy); |
| /* release all the volumes */ |
| _scsih_ir_shutdown(ioc); |
| mpt3sas_destroy_debugfs(ioc); |
| sas_remove_host(shost); |
| list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, |
| list) { |
| if (raid_device->starget) { |
| sas_target_priv_data = |
| raid_device->starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| scsi_remove_target(&raid_device->starget->dev); |
| } |
| ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n", |
| raid_device->handle, (u64)raid_device->wwid); |
| _scsih_raid_device_remove(ioc, raid_device); |
| } |
| list_for_each_entry_safe(pcie_device, pcienext, &ioc->pcie_device_list, |
| list) { |
| _scsih_pcie_device_remove_from_sml(ioc, pcie_device); |
| list_del_init(&pcie_device->list); |
| pcie_device_put(pcie_device); |
| } |
| |
| /* free ports attached to the sas_host */ |
| list_for_each_entry_safe(mpt3sas_port, next_port, |
| &ioc->sas_hba.sas_port_list, port_list) { |
| if (mpt3sas_port->remote_identify.device_type == |
| SAS_END_DEVICE) |
| mpt3sas_device_remove_by_sas_address(ioc, |
| mpt3sas_port->remote_identify.sas_address); |
| else if (mpt3sas_port->remote_identify.device_type == |
| SAS_EDGE_EXPANDER_DEVICE || |
| mpt3sas_port->remote_identify.device_type == |
| SAS_FANOUT_EXPANDER_DEVICE) |
| mpt3sas_expander_remove(ioc, |
| mpt3sas_port->remote_identify.sas_address); |
| } |
| |
| /* free phys attached to the sas_host */ |
| if (ioc->sas_hba.num_phys) { |
| kfree(ioc->sas_hba.phy); |
| ioc->sas_hba.phy = NULL; |
| ioc->sas_hba.num_phys = 0; |
| } |
| |
| mpt3sas_base_detach(ioc); |
| spin_lock(&gioc_lock); |
| list_del(&ioc->list); |
| spin_unlock(&gioc_lock); |
| scsi_host_put(shost); |
| } |
| |
| /** |
| * scsih_shutdown - routine call during system shutdown |
| * @pdev: PCI device struct |
| */ |
| static void |
| scsih_shutdown(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost; |
| struct MPT3SAS_ADAPTER *ioc; |
| struct workqueue_struct *wq; |
| unsigned long flags; |
| Mpi2ConfigReply_t mpi_reply; |
| |
| if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc)) |
| return; |
| |
| ioc->remove_host = 1; |
| |
| if (!pci_device_is_present(pdev)) |
| _scsih_flush_running_cmds(ioc); |
| |
| _scsih_fw_event_cleanup_queue(ioc); |
| |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| wq = ioc->firmware_event_thread; |
| ioc->firmware_event_thread = NULL; |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| if (wq) |
| destroy_workqueue(wq); |
| /* |
| * Copy back the unmodified ioc page1 so that on next driver load, |
| * current modified changes on ioc page1 won't take effect. |
| */ |
| if (ioc->is_aero_ioc) |
| mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, |
| &ioc->ioc_pg1_copy); |
| |
| _scsih_ir_shutdown(ioc); |
| _scsih_nvme_shutdown(ioc); |
| mpt3sas_base_detach(ioc); |
| } |
| |
| |
| /** |
| * _scsih_probe_boot_devices - reports 1st device |
| * @ioc: per adapter object |
| * |
| * If specified in bios page 2, this routine reports the 1st |
| * device scsi-ml or sas transport for persistent boot device |
| * purposes. Please refer to function _scsih_determine_boot_device() |
| */ |
| static void |
| _scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc) |
| { |
| u32 channel; |
| void *device; |
| struct _sas_device *sas_device; |
| struct _raid_device *raid_device; |
| struct _pcie_device *pcie_device; |
| u16 handle; |
| u64 sas_address_parent; |
| u64 sas_address; |
| unsigned long flags; |
| int rc; |
| int tid; |
| |
| /* no Bios, return immediately */ |
| if (!ioc->bios_pg3.BiosVersion) |
| return; |
| |
| device = NULL; |
| if (ioc->req_boot_device.device) { |
| device = ioc->req_boot_device.device; |
| channel = ioc->req_boot_device.channel; |
| } else if (ioc->req_alt_boot_device.device) { |
| device = ioc->req_alt_boot_device.device; |
| channel = ioc->req_alt_boot_device.channel; |
| } else if (ioc->current_boot_device.device) { |
| device = ioc->current_boot_device.device; |
| channel = ioc->current_boot_device.channel; |
| } |
| |
| if (!device) |
| return; |
| |
| if (channel == RAID_CHANNEL) { |
| raid_device = device; |
| rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| raid_device->id, 0); |
| if (rc) |
| _scsih_raid_device_remove(ioc, raid_device); |
| } else if (channel == PCIE_CHANNEL) { |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| pcie_device = device; |
| tid = pcie_device->id; |
| list_move_tail(&pcie_device->list, &ioc->pcie_device_list); |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| rc = scsi_add_device(ioc->shost, PCIE_CHANNEL, tid, 0); |
| if (rc) |
| _scsih_pcie_device_remove(ioc, pcie_device); |
| } else { |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = device; |
| handle = sas_device->handle; |
| sas_address_parent = sas_device->sas_address_parent; |
| sas_address = sas_device->sas_address; |
| list_move_tail(&sas_device->list, &ioc->sas_device_list); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| if (ioc->hide_drives) |
| return; |
| if (!mpt3sas_transport_port_add(ioc, handle, |
| sas_address_parent)) { |
| _scsih_sas_device_remove(ioc, sas_device); |
| } else if (!sas_device->starget) { |
| if (!ioc->is_driver_loading) { |
| mpt3sas_transport_port_remove(ioc, |
| sas_address, |
| sas_address_parent); |
| _scsih_sas_device_remove(ioc, sas_device); |
| } |
| } |
| } |
| } |
| |
| /** |
| * _scsih_probe_raid - reporting raid volumes to scsi-ml |
| * @ioc: per adapter object |
| * |
| * Called during initial loading of the driver. |
| */ |
| static void |
| _scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct _raid_device *raid_device, *raid_next; |
| int rc; |
| |
| list_for_each_entry_safe(raid_device, raid_next, |
| &ioc->raid_device_list, list) { |
| if (raid_device->starget) |
| continue; |
| rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| raid_device->id, 0); |
| if (rc) |
| _scsih_raid_device_remove(ioc, raid_device); |
| } |
| } |
| |
| static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct _sas_device *sas_device = NULL; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| if (!list_empty(&ioc->sas_device_init_list)) { |
| sas_device = list_first_entry(&ioc->sas_device_init_list, |
| struct _sas_device, list); |
| sas_device_get(sas_device); |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| return sas_device; |
| } |
| |
| static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| |
| /* |
| * Since we dropped the lock during the call to port_add(), we need to |
| * be careful here that somebody else didn't move or delete this item |
| * while we were busy with other things. |
| * |
| * If it was on the list, we need a put() for the reference the list |
| * had. Either way, we need a get() for the destination list. |
| */ |
| if (!list_empty(&sas_device->list)) { |
| list_del_init(&sas_device->list); |
| sas_device_put(sas_device); |
| } |
| |
| sas_device_get(sas_device); |
| list_add_tail(&sas_device->list, &ioc->sas_device_list); |
| |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_probe_sas - reporting sas devices to sas transport |
| * @ioc: per adapter object |
| * |
| * Called during initial loading of the driver. |
| */ |
| static void |
| _scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct _sas_device *sas_device; |
| |
| if (ioc->hide_drives) |
| return; |
| |
| while ((sas_device = get_next_sas_device(ioc))) { |
| if (!mpt3sas_transport_port_add(ioc, sas_device->handle, |
| sas_device->sas_address_parent)) { |
| _scsih_sas_device_remove(ioc, sas_device); |
| sas_device_put(sas_device); |
| continue; |
| } else if (!sas_device->starget) { |
| /* |
| * When asyn scanning is enabled, its not possible to |
| * remove devices while scanning is turned on due to an |
| * oops in scsi_sysfs_add_sdev()->add_device()-> |
| * sysfs_addrm_start() |
| */ |
| if (!ioc->is_driver_loading) { |
| mpt3sas_transport_port_remove(ioc, |
| sas_device->sas_address, |
| sas_device->sas_address_parent); |
| _scsih_sas_device_remove(ioc, sas_device); |
| sas_device_put(sas_device); |
| continue; |
| } |
| } |
| sas_device_make_active(ioc, sas_device); |
| sas_device_put(sas_device); |
| } |
| } |
| |
| /** |
| * get_next_pcie_device - Get the next pcie device |
| * @ioc: per adapter object |
| * |
| * Get the next pcie device from pcie_device_init_list list. |
| * |
| * Return: pcie device structure if pcie_device_init_list list is not empty |
| * otherwise returns NULL |
| */ |
| static struct _pcie_device *get_next_pcie_device(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct _pcie_device *pcie_device = NULL; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| if (!list_empty(&ioc->pcie_device_init_list)) { |
| pcie_device = list_first_entry(&ioc->pcie_device_init_list, |
| struct _pcie_device, list); |
| pcie_device_get(pcie_device); |
| } |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| |
| return pcie_device; |
| } |
| |
| /** |
| * pcie_device_make_active - Add pcie device to pcie_device_list list |
| * @ioc: per adapter object |
| * @pcie_device: pcie device object |
| * |
| * Add the pcie device which has registered with SCSI Transport Later to |
| * pcie_device_list list |
| */ |
| static void pcie_device_make_active(struct MPT3SAS_ADAPTER *ioc, |
| struct _pcie_device *pcie_device) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->pcie_device_lock, flags); |
| |
| if (!list_empty(&pcie_device->list)) { |
| list_del_init(&pcie_device->list); |
| pcie_device_put(pcie_device); |
| } |
| pcie_device_get(pcie_device); |
| list_add_tail(&pcie_device->list, &ioc->pcie_device_list); |
| |
| spin_unlock_irqrestore(&ioc->pcie_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_probe_pcie - reporting PCIe devices to scsi-ml |
| * @ioc: per adapter object |
| * |
| * Called during initial loading of the driver. |
| */ |
| static void |
| _scsih_probe_pcie(struct MPT3SAS_ADAPTER *ioc) |
| { |
| struct _pcie_device *pcie_device; |
| int rc; |
| |
| /* PCIe Device List */ |
| while ((pcie_device = get_next_pcie_device(ioc))) { |
| if (pcie_device->starget) { |
| pcie_device_put(pcie_device); |
| continue; |
| } |
| if (pcie_device->access_status == |
| MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED) { |
| pcie_device_make_active(ioc, pcie_device); |
| pcie_device_put(pcie_device); |
| continue; |
| } |
| rc = scsi_add_device(ioc->shost, PCIE_CHANNEL, |
| pcie_device->id, 0); |
| if (rc) { |
| _scsih_pcie_device_remove(ioc, pcie_device); |
| pcie_device_put(pcie_device); |
| continue; |
| } else if (!pcie_device->starget) { |
| /* |
| * When async scanning is enabled, its not possible to |
| * remove devices while scanning is turned on due to an |
| * oops in scsi_sysfs_add_sdev()->add_device()-> |
| * sysfs_addrm_start() |
| */ |
| if (!ioc->is_driver_loading) { |
| /* TODO-- Need to find out whether this condition will |
| * occur or not |
| */ |
| _scsih_pcie_device_remove(ioc, pcie_device); |
| pcie_device_put(pcie_device); |
| continue; |
| } |
| } |
| pcie_device_make_active(ioc, pcie_device); |
| pcie_device_put(pcie_device); |
| } |
| } |
| |
| /** |
| * _scsih_probe_devices - probing for devices |
| * @ioc: per adapter object |
| * |
| * Called during initial loading of the driver. |
| */ |
| static void |
| _scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc) |
| { |
| u16 volume_mapping_flags; |
| |
| if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) |
| return; /* return when IOC doesn't support initiator mode */ |
| |
| _scsih_probe_boot_devices(ioc); |
| |
| if (ioc->ir_firmware) { |
| volume_mapping_flags = |
| le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & |
| MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; |
| if (volume_mapping_flags == |
| MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { |
| _scsih_probe_raid(ioc); |
| _scsih_probe_sas(ioc); |
| } else { |
| _scsih_probe_sas(ioc); |
| _scsih_probe_raid(ioc); |
| } |
| } else { |
| _scsih_probe_sas(ioc); |
| _scsih_probe_pcie(ioc); |
| } |
| } |
| |
| /** |
| * scsih_scan_start - scsi lld callback for .scan_start |
| * @shost: SCSI host pointer |
| * |
| * The shost has the ability to discover targets on its own instead |
| * of scanning the entire bus. In our implemention, we will kick off |
| * firmware discovery. |
| */ |
| static void |
| scsih_scan_start(struct Scsi_Host *shost) |
| { |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| int rc; |
| if (diag_buffer_enable != -1 && diag_buffer_enable != 0) |
| mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable); |
| else if (ioc->manu_pg11.HostTraceBufferMaxSizeKB != 0) |
| mpt3sas_enable_diag_buffer(ioc, 1); |
| |
| if (disable_discovery > 0) |
| return; |
| |
| ioc->start_scan = 1; |
| rc = mpt3sas_port_enable(ioc); |
| |
| if (rc != 0) |
| ioc_info(ioc, "port enable: FAILED\n"); |
| } |
| |
| /** |
| * scsih_scan_finished - scsi lld callback for .scan_finished |
| * @shost: SCSI host pointer |
| * @time: elapsed time of the scan in jiffies |
| * |
| * This function will be called periodicallyn until it returns 1 with the |
| * scsi_host and the elapsed time of the scan in jiffies. In our implemention, |
| * we wait for firmware discovery to complete, then return 1. |
| */ |
| static int |
| scsih_scan_finished(struct Scsi_Host *shost, unsigned long time) |
| { |
| struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| |
| if (disable_discovery > 0) { |
| ioc->is_driver_loading = 0; |
| ioc->wait_for_discovery_to_complete = 0; |
| return 1; |
| } |
| |
| if (time >= (300 * HZ)) { |
| ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED; |
| ioc_info(ioc, "port enable: FAILED with timeout (timeout=300s)\n"); |
| ioc->is_driver_loading = 0; |
| return 1; |
| } |
| |
| if (ioc->start_scan) |
| return 0; |
| |
| if (ioc->start_scan_failed) { |
| ioc_info(ioc, "port enable: FAILED with (ioc_status=0x%08x)\n", |
| ioc->start_scan_failed); |
| ioc->is_driver_loading = 0; |
| ioc->wait_for_discovery_to_complete = 0; |
| ioc->remove_host = 1; |
| return 1; |
| } |
| |
| ioc_info(ioc, "port enable: SUCCESS\n"); |
| ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED; |
| |
| if (ioc->wait_for_discovery_to_complete) { |
| ioc->wait_for_discovery_to_complete = 0; |
| _scsih_probe_devices(ioc); |
| } |
| mpt3sas_base_start_watchdog(ioc); |
| ioc->is_driver_loading = 0; |
| return 1; |
| } |
| |
| /* shost template for SAS 2.0 HBA devices */ |
| static struct scsi_host_template mpt2sas_driver_template = { |
| .module = THIS_MODULE, |
| .name = "Fusion MPT SAS Host", |
| .proc_name = MPT2SAS_DRIVER_NAME, |
| .queuecommand = scsih_qcmd, |
| .target_alloc = scsih_target_alloc, |
| .slave_alloc = scsih_slave_alloc, |
| .slave_configure = scsih_slave_configure, |
| .target_destroy = scsih_target_destroy, |
| .slave_destroy = scsih_slave_destroy, |
| .scan_finished = scsih_scan_finished, |
| .scan_start = scsih_scan_start, |
| .change_queue_depth = scsih_change_queue_depth, |
| .eh_abort_handler = scsih_abort, |
| .eh_device_reset_handler = scsih_dev_reset, |
| .eh_target_reset_handler = scsih_target_reset, |
| .eh_host_reset_handler = scsih_host_reset, |
| .bios_param = scsih_bios_param, |
| .can_queue = 1, |
| .this_id = -1, |
| .sg_tablesize = MPT2SAS_SG_DEPTH, |
| .max_sectors = 32767, |
| .cmd_per_lun = 7, |
| .shost_attrs = mpt3sas_host_attrs, |
| .sdev_attrs = mpt3sas_dev_attrs, |
| .track_queue_depth = 1, |
| .cmd_size = sizeof(struct scsiio_tracker), |
| }; |
| |
| /* raid transport support for SAS 2.0 HBA devices */ |
| static struct raid_function_template mpt2sas_raid_functions = { |
| .cookie = &mpt2sas_driver_template, |
| .is_raid = scsih_is_raid, |
| .get_resync = scsih_get_resync, |
| .get_state = scsih_get_state, |
| }; |
| |
| /* shost template for SAS 3.0 HBA devices */ |
| static struct scsi_host_template mpt3sas_driver_template = { |
| .module = THIS_MODULE, |
| .name = "Fusion MPT SAS Host", |
| .proc_name = MPT3SAS_DRIVER_NAME, |
| .queuecommand = scsih_qcmd, |
| .target_alloc = scsih_target_alloc, |
| .slave_alloc = scsih_slave_alloc, |
| .slave_configure = scsih_slave_configure, |
| .target_destroy = scsih_target_destroy, |
| .slave_destroy = scsih_slave_destroy, |
| .scan_finished = scsih_scan_finished, |
| .scan_start = scsih_scan_start, |
| .change_queue_depth = scsih_change_queue_depth, |
| .eh_abort_handler = scsih_abort, |
| .eh_device_reset_handler = scsih_dev_reset, |
| .eh_target_reset_handler = scsih_target_reset, |
| .eh_host_reset_handler = scsih_host_reset, |
| .bios_param = scsih_bios_param, |
| .can_queue = 1, |
| .this_id = -1, |
| .sg_tablesize = MPT3SAS_SG_DEPTH, |
| .max_sectors = 32767, |
| .max_segment_size = 0xffffffff, |
| .cmd_per_lun = 7, |
| .shost_attrs = mpt3sas_host_attrs, |
| .sdev_attrs = mpt3sas_dev_attrs, |
| .track_queue_depth = 1, |
| .cmd_size = sizeof(struct scsiio_tracker), |
| }; |
| |
| /* raid transport support for SAS 3.0 HBA devices */ |
| static struct raid_function_template mpt3sas_raid_functions = { |
| .cookie = &mpt3sas_driver_template, |
| .is_raid = scsih_is_raid, |
| .get_resync = scsih_get_resync, |
| .get_state = scsih_get_state, |
| }; |
| |
| /** |
| * _scsih_determine_hba_mpi_version - determine in which MPI version class |
| * this device belongs to. |
| * @pdev: PCI device struct |
| * |
| * return MPI2_VERSION for SAS 2.0 HBA devices, |
| * MPI25_VERSION for SAS 3.0 HBA devices, and |
| * MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices |
| */ |
| static u16 |
| _scsih_determine_hba_mpi_version(struct pci_dev *pdev) |
| { |
| |
| switch (pdev->device) { |
| case MPI2_MFGPAGE_DEVID_SSS6200: |
| case MPI2_MFGPAGE_DEVID_SAS2004: |
| case MPI2_MFGPAGE_DEVID_SAS2008: |
| case MPI2_MFGPAGE_DEVID_SAS2108_1: |
| case MPI2_MFGPAGE_DEVID_SAS2108_2: |
| case MPI2_MFGPAGE_DEVID_SAS2108_3: |
| case MPI2_MFGPAGE_DEVID_SAS2116_1: |
| case MPI2_MFGPAGE_DEVID_SAS2116_2: |
| case MPI2_MFGPAGE_DEVID_SAS2208_1: |
| case MPI2_MFGPAGE_DEVID_SAS2208_2: |
| case MPI2_MFGPAGE_DEVID_SAS2208_3: |
| case MPI2_MFGPAGE_DEVID_SAS2208_4: |
| case MPI2_MFGPAGE_DEVID_SAS2208_5: |
| case MPI2_MFGPAGE_DEVID_SAS2208_6: |
| case MPI2_MFGPAGE_DEVID_SAS2308_1: |
| case MPI2_MFGPAGE_DEVID_SAS2308_2: |
| case MPI2_MFGPAGE_DEVID_SAS2308_3: |
| case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP: |
| case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP_1: |
| return MPI2_VERSION; |
| case MPI25_MFGPAGE_DEVID_SAS3004: |
| case MPI25_MFGPAGE_DEVID_SAS3008: |
| case MPI25_MFGPAGE_DEVID_SAS3108_1: |
| case MPI25_MFGPAGE_DEVID_SAS3108_2: |
| case MPI25_MFGPAGE_DEVID_SAS3108_5: |
| case MPI25_MFGPAGE_DEVID_SAS3108_6: |
| return MPI25_VERSION; |
| case MPI26_MFGPAGE_DEVID_SAS3216: |
| case MPI26_MFGPAGE_DEVID_SAS3224: |
| case MPI26_MFGPAGE_DEVID_SAS3316_1: |
| case MPI26_MFGPAGE_DEVID_SAS3316_2: |
| case MPI26_MFGPAGE_DEVID_SAS3316_3: |
| case MPI26_MFGPAGE_DEVID_SAS3316_4: |
| case MPI26_MFGPAGE_DEVID_SAS3324_1: |
| case MPI26_MFGPAGE_DEVID_SAS3324_2: |
| case MPI26_MFGPAGE_DEVID_SAS3324_3: |
| case MPI26_MFGPAGE_DEVID_SAS3324_4: |
| case MPI26_MFGPAGE_DEVID_SAS3508: |
| case MPI26_MFGPAGE_DEVID_SAS3508_1: |
| case MPI26_MFGPAGE_DEVID_SAS3408: |
| case MPI26_MFGPAGE_DEVID_SAS3516: |
| case MPI26_MFGPAGE_DEVID_SAS3516_1: |
| case MPI26_MFGPAGE_DEVID_SAS3416: |
| case MPI26_MFGPAGE_DEVID_SAS3616: |
| case MPI26_ATLAS_PCIe_SWITCH_DEVID: |
| case MPI26_MFGPAGE_DEVID_CFG_SEC_3916: |
| case MPI26_MFGPAGE_DEVID_HARD_SEC_3916: |
| case MPI26_MFGPAGE_DEVID_CFG_SEC_3816: |
| case MPI26_MFGPAGE_DEVID_HARD_SEC_3816: |
| case MPI26_MFGPAGE_DEVID_INVALID0_3916: |
| case MPI26_MFGPAGE_DEVID_INVALID1_3916: |
| case MPI26_MFGPAGE_DEVID_INVALID0_3816: |
| case MPI26_MFGPAGE_DEVID_INVALID1_3816: |
| return MPI26_VERSION; |
| } |
| return 0; |
| } |
| |
| /** |
| * _scsih_probe - attach and add scsi host |
| * @pdev: PCI device struct |
| * @id: pci device id |
| * |
| * Return: 0 success, anything else error. |
| */ |
| static int |
| _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
| { |
| struct MPT3SAS_ADAPTER *ioc; |
| struct Scsi_Host *shost = NULL; |
| int rv; |
| u16 hba_mpi_version; |
| |
| /* Determine in which MPI version class this pci device belongs */ |
| hba_mpi_version = _scsih_determine_hba_mpi_version(pdev); |
| if (hba_mpi_version == 0) |
| return -ENODEV; |
| |
| /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one, |
| * for other generation HBA's return with -ENODEV |
| */ |
| if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION)) |
| return -ENODEV; |
| |
| /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two, |
| * for other generation HBA's return with -ENODEV |
| */ |
| if ((hbas_to_enumerate == 2) && (!(hba_mpi_version == MPI25_VERSION |
| || hba_mpi_version == MPI26_VERSION))) |
| return -ENODEV; |
| |
| switch (hba_mpi_version) { |
| case MPI2_VERSION: |
| pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | |
| PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); |
| /* Use mpt2sas driver host template for SAS 2.0 HBA's */ |
| shost = scsi_host_alloc(&mpt2sas_driver_template, |
| sizeof(struct MPT3SAS_ADAPTER)); |
| if (!shost) |
| return -ENODEV; |
| ioc = shost_priv(shost); |
| memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER)); |
| ioc->hba_mpi_version_belonged = hba_mpi_version; |
| ioc->id = mpt2_ids++; |
| sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME); |
| switch (pdev->device) { |
| case MPI2_MFGPAGE_DEVID_SSS6200: |
| ioc->is_warpdrive = 1; |
| ioc->hide_ir_msg = 1; |
| break; |
| case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP: |
| case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP_1: |
| ioc->is_mcpu_endpoint = 1; |
| break; |
| default: |
| ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS; |
| break; |
| } |
| break; |
| case MPI25_VERSION: |
| case MPI26_VERSION: |
| /* Use mpt3sas driver host template for SAS 3.0 HBA's */ |
| shost = scsi_host_alloc(&mpt3sas_driver_template, |
| sizeof(struct MPT3SAS_ADAPTER)); |
| if (!shost) |
| return -ENODEV; |
| ioc = shost_priv(shost); |
| memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER)); |
| ioc->hba_mpi_version_belonged = hba_mpi_version; |
| ioc->id = mpt3_ids++; |
| sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME); |
| switch (pdev->device) { |
| case MPI26_MFGPAGE_DEVID_SAS3508: |
| case MPI26_MFGPAGE_DEVID_SAS3508_1: |
| case MPI26_MFGPAGE_DEVID_SAS3408: |
| case MPI26_MFGPAGE_DEVID_SAS3516: |
| case MPI26_MFGPAGE_DEVID_SAS3516_1: |
| case MPI26_MFGPAGE_DEVID_SAS3416: |
| case MPI26_MFGPAGE_DEVID_SAS3616: |
| case MPI26_ATLAS_PCIe_SWITCH_DEVID: |
| ioc->is_gen35_ioc = 1; |
| break; |
| case MPI26_MFGPAGE_DEVID_INVALID0_3816: |
| case MPI26_MFGPAGE_DEVID_INVALID0_3916: |
| dev_err(&pdev->dev, |
| "HBA with DeviceId 0x%04x, sub VendorId 0x%04x, sub DeviceId 0x%04x is Invalid", |
| pdev->device, pdev->subsystem_vendor, |
| pdev->subsystem_device); |
| return 1; |
| case MPI26_MFGPAGE_DEVID_INVALID1_3816: |
| case MPI26_MFGPAGE_DEVID_INVALID1_3916: |
| dev_err(&pdev->dev, |
| "HBA with DeviceId 0x%04x, sub VendorId 0x%04x, sub DeviceId 0x%04x is Tampered", |
| pdev->device, pdev->subsystem_vendor, |
| pdev->subsystem_device); |
| return 1; |
| case MPI26_MFGPAGE_DEVID_CFG_SEC_3816: |
| case MPI26_MFGPAGE_DEVID_CFG_SEC_3916: |
| dev_info(&pdev->dev, |
| "HBA is in Configurable Secure mode\n"); |
| fallthrough; |
| case MPI26_MFGPAGE_DEVID_HARD_SEC_3816: |
| case MPI26_MFGPAGE_DEVID_HARD_SEC_3916: |
| ioc->is_aero_ioc = ioc->is_gen35_ioc = 1; |
| break; |
| default: |
| ioc->is_gen35_ioc = ioc->is_aero_ioc = 0; |
| } |
| if ((ioc->hba_mpi_version_belonged == MPI25_VERSION && |
| pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) || |
| (ioc->hba_mpi_version_belonged == MPI26_VERSION)) { |
| ioc->combined_reply_queue = 1; |
| if (ioc->is_gen35_ioc) |
| ioc->combined_reply_index_count = |
| MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35; |
| else |
| ioc->combined_reply_index_count = |
| MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3; |
| } |
| break; |
| default: |
| return -ENODEV; |
| } |
| |
| INIT_LIST_HEAD(&ioc->list); |
| spin_lock(&gioc_lock); |
| list_add_tail(&ioc->list, &mpt3sas_ioc_list); |
| spin_unlock(&gioc_lock); |
| ioc->shost = shost; |
| ioc->pdev = pdev; |
| ioc->scsi_io_cb_idx = scsi_io_cb_idx; |
| ioc->tm_cb_idx = tm_cb_idx; |
| ioc->ctl_cb_idx = ctl_cb_idx; |
| ioc->base_cb_idx = base_cb_idx; |
| ioc->port_enable_cb_idx = port_enable_cb_idx; |
| ioc->transport_cb_idx = transport_cb_idx; |
| ioc->scsih_cb_idx = scsih_cb_idx; |
| ioc->config_cb_idx = config_cb_idx; |
| ioc->tm_tr_cb_idx = tm_tr_cb_idx; |
| ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx; |
| ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; |
| ioc->logging_level = logging_level; |
| ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds; |
| /* Host waits for minimum of six seconds */ |
| ioc->max_shutdown_latency = IO_UNIT_CONTROL_SHUTDOWN_TIMEOUT; |
| /* |
| * Enable MEMORY MOVE support flag. |
| */ |
| ioc->drv_support_bitmap |= MPT_DRV_SUPPORT_BITMAP_MEMMOVE; |
| |
| ioc->enable_sdev_max_qd = enable_sdev_max_qd; |
| |
| /* misc semaphores and spin locks */ |
| mutex_init(&ioc->reset_in_progress_mutex); |
| /* initializing pci_access_mutex lock */ |
| mutex_init(&ioc->pci_access_mutex); |
| spin_lock_init(&ioc->ioc_reset_in_progress_lock); |
| spin_lock_init(&ioc->scsi_lookup_lock); |
| spin_lock_init(&ioc->sas_device_lock); |
| spin_lock_init(&ioc->sas_node_lock); |
| spin_lock_init(&ioc->fw_event_lock); |
| spin_lock_init(&ioc->raid_device_lock); |
| spin_lock_init(&ioc->pcie_device_lock); |
| spin_lock_init(&ioc->diag_trigger_lock); |
| |
| INIT_LIST_HEAD(&ioc->sas_device_list); |
| INIT_LIST_HEAD(&ioc->sas_device_init_list); |
| INIT_LIST_HEAD(&ioc->sas_expander_list); |
| INIT_LIST_HEAD(&ioc->enclosure_list); |
| INIT_LIST_HEAD(&ioc->pcie_device_list); |
| INIT_LIST_HEAD(&ioc->pcie_device_init_list); |
| INIT_LIST_HEAD(&ioc->fw_event_list); |
| INIT_LIST_HEAD(&ioc->raid_device_list); |
| INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); |
| INIT_LIST_HEAD(&ioc->delayed_tr_list); |
| INIT_LIST_HEAD(&ioc->delayed_sc_list); |
| INIT_LIST_HEAD(&ioc->delayed_event_ack_list); |
| INIT_LIST_HEAD(&ioc->delayed_tr_volume_list); |
| INIT_LIST_HEAD(&ioc->reply_queue_list); |
| |
| sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id); |
| |
| /* init shost parameters */ |
| shost->max_cmd_len = 32; |
| shost->max_lun = max_lun; |
| shost->transportt = mpt3sas_transport_template; |
| shost->unique_id = ioc->id; |
| |
| if (ioc->is_mcpu_endpoint) { |
| /* mCPU MPI support 64K max IO */ |
| shost->max_sectors = 128; |
| ioc_info(ioc, "The max_sectors value is set to %d\n", |
| shost->max_sectors); |
| } else { |
| if (max_sectors != 0xFFFF) { |
| if (max_sectors < 64) { |
| shost->max_sectors = 64; |
| ioc_warn(ioc, "Invalid value %d passed for max_sectors, range is 64 to 32767. Assigning value of 64.\n", |
| max_sectors); |
| } else if (max_sectors > 32767) { |
| shost->max_sectors = 32767; |
| ioc_warn(ioc, "Invalid value %d passed for max_sectors, range is 64 to 32767.Assigning default value of 32767.\n", |
| max_sectors); |
| } else { |
| shost->max_sectors = max_sectors & 0xFFFE; |
| ioc_info(ioc, "The max_sectors value is set to %d\n", |
| shost->max_sectors); |
| } |
| } |
| } |
| /* register EEDP capabilities with SCSI layer */ |
| if (prot_mask >= 0) |
| scsi_host_set_prot(shost, (prot_mask & 0x07)); |
| else |
| scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION |
| | SHOST_DIF_TYPE2_PROTECTION |
| | SHOST_DIF_TYPE3_PROTECTION); |
| |
| scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); |
| |
| /* event thread */ |
| snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), |
| "fw_event_%s%d", ioc->driver_name, ioc->id); |
| ioc->firmware_event_thread = alloc_ordered_workqueue( |
| ioc->firmware_event_name, 0); |
| if (!ioc->firmware_event_thread) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| rv = -ENODEV; |
| goto out_thread_fail; |
| } |
| |
| ioc->is_driver_loading = 1; |
| if ((mpt3sas_base_attach(ioc))) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| rv = -ENODEV; |
| goto out_attach_fail; |
| } |
| |
| if (ioc->is_warpdrive) { |
| if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) |
| ioc->hide_drives = 0; |
| else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS) |
| ioc->hide_drives = 1; |
| else { |
| if (mpt3sas_get_num_volumes(ioc)) |
| ioc->hide_drives = 1; |
| else |
| ioc->hide_drives = 0; |
| } |
| } else |
| ioc->hide_drives = 0; |
| |
| rv = scsi_add_host(shost, &pdev->dev); |
| if (rv) { |
| ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| __FILE__, __LINE__, __func__); |
| goto out_add_shost_fail; |
| } |
| |
| scsi_scan_host(shost); |
| mpt3sas_setup_debugfs(ioc); |
| return 0; |
| out_add_shost_fail: |
| mpt3sas_base_detach(ioc); |
| out_attach_fail: |
| destroy_workqueue(ioc->firmware_event_thread); |
| out_thread_fail: |
| spin_lock(&gioc_lock); |
| list_del(&ioc->list); |
| spin_unlock(&gioc_lock); |
| scsi_host_put(shost); |
| return rv; |
| } |
| |
| #ifdef CONFIG_PM |
| /** |
| * scsih_suspend - power management suspend main entry point |
| * @pdev: PCI device struct |
| * @state: PM state change to (usually PCI_D3) |
| * |
| * Return: 0 success, anything else error. |
| */ |
| static int |
| scsih_suspend(struct pci_dev *pdev, pm_message_t state) |
| { |
| struct Scsi_Host *shost; |
| struct MPT3SAS_ADAPTER *ioc; |
| pci_power_t device_state; |
| int rc; |
| |
| rc = _scsih_get_shost_and_ioc(pdev, &shost, &ioc); |
| if (rc) |
| return rc; |
| |
| mpt3sas_base_stop_watchdog(ioc); |
| flush_scheduled_work(); |
| scsi_block_requests(shost); |
| _scsih_nvme_shutdown(ioc); |
| device_state = pci_choose_state(pdev, state); |
| ioc_info(ioc, "pdev=0x%p, slot=%s, entering operating state [D%d]\n", |
| pdev, pci_name(pdev), device_state); |
| |
| pci_save_state(pdev); |
| mpt3sas_base_free_resources(ioc); |
| pci_set_power_state(pdev, device_state); |
| return 0; |
| } |
| |
| /** |
| * scsih_resume - power management resume main entry point |
| * @pdev: PCI device struct |
| * |
| * Return: 0 success, anything else error. |
| */ |
| static int |
| scsih_resume(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost; |
| struct MPT3SAS_ADAPTER *ioc; |
| pci_power_t device_state = pdev->current_state; |
| int r; |
| |
| r = _scsih_get_shost_and_ioc(pdev, &shost, &ioc); |
| if (r) |
| return r; |
| |
| ioc_info(ioc, "pdev=0x%p, slot=%s, previous operating state [D%d]\n", |
| pdev, pci_name(pdev), device_state); |
| |
| pci_set_power_state(pdev, PCI_D0); |
| pci_enable_wake(pdev, PCI_D0, 0); |
| pci_restore_state(pdev); |
| ioc->pdev = pdev; |
| r = mpt3sas_base_map_resources(ioc); |
| if (r) |
| return r; |
| ioc_info(ioc, "Issuing Hard Reset as part of OS Resume\n"); |
| mpt3sas_base_hard_reset_handler(ioc, SOFT_RESET); |
| scsi_unblock_requests(shost); |
| mpt3sas_base_start_watchdog(ioc); |
| return 0; |
| } |
| #endif /* CONFIG_PM */ |
| |
| /** |
| * scsih_pci_error_detected - Called when a PCI error is detected. |
| * @pdev: PCI device struct |
| * @state: PCI channel state |
| * |
| * Description: Called when a PCI error is detected. |
| * |
| * Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT. |
| */ |
| static pci_ers_result_t |
| scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) |
| { |
| struct Scsi_Host *shost; |
| struct MPT3SAS_ADAPTER *ioc; |
| |
| if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc)) |
| return PCI_ERS_RESULT_DISCONNECT; |
| |
| ioc_info(ioc, "PCI error: detected callback, state(%d)!!\n", state); |
| |
| switch (state) { |
| case pci_channel_io_normal: |
| return PCI_ERS_RESULT_CAN_RECOVER; |
| case pci_channel_io_frozen: |
| /* Fatal error, prepare for slot reset */ |
| ioc->pci_error_recovery = 1; |
| scsi_block_requests(ioc->shost); |
| mpt3sas_base_stop_watchdog(ioc); |
| mpt3sas_base_free_resources(ioc); |
| return PCI_ERS_RESULT_NEED_RESET; |
| case pci_channel_io_perm_failure: |
| /* Permanent error, prepare for device removal */ |
| ioc->pci_error_recovery = 1; |
| mpt3sas_base_stop_watchdog(ioc); |
| _scsih_flush_running_cmds(ioc); |
| return PCI_ERS_RESULT_DISCONNECT; |
| } |
| return PCI_ERS_RESULT_NEED_RESET; |
| } |
| |
| /** |
| * scsih_pci_slot_reset - Called when PCI slot has been reset. |
| * @pdev: PCI device struct |
| * |
| * Description: This routine is called by the pci error recovery |
| * code after the PCI slot has been reset, just before we |
| * should resume normal operations. |
| */ |
| static pci_ers_result_t |
| scsih_pci_slot_reset(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost; |
| struct MPT3SAS_ADAPTER *ioc; |
| int rc; |
| |
| if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc)) |
| return PCI_ERS_RESULT_DISCONNECT; |
| |
| ioc_info(ioc, "PCI error: slot reset callback!!\n"); |
| |
| ioc->pci_error_recovery = 0; |
| ioc->pdev = pdev; |
| pci_restore_state(pdev); |
| rc = mpt3sas_base_map_resources(ioc); |
| if (rc) |
| return PCI_ERS_RESULT_DISCONNECT; |
| |
| ioc_info(ioc, "Issuing Hard Reset as part of PCI Slot Reset\n"); |
| rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
| |
| ioc_warn(ioc, "hard reset: %s\n", |
| (rc == 0) ? "success" : "failed"); |
| |
| if (!rc) |
| return PCI_ERS_RESULT_RECOVERED; |
| else |
| return PCI_ERS_RESULT_DISCONNECT; |
| } |
| |
| /** |
| * scsih_pci_resume() - resume normal ops after PCI reset |
| * @pdev: pointer to PCI device |
| * |
| * Called when the error recovery driver tells us that its |
| * OK to resume normal operation. Use completion to allow |
| * halted scsi ops to resume. |
| */ |
| static void |
| scsih_pci_resume(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost; |
| struct MPT3SAS_ADAPTER *ioc; |
| |
| if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc)) |
| return; |
| |
| ioc_info(ioc, "PCI error: resume callback!!\n"); |
| |
| mpt3sas_base_start_watchdog(ioc); |
| scsi_unblock_requests(ioc->shost); |
| } |
| |
| /** |
| * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers |
| * @pdev: pointer to PCI device |
| */ |
| static pci_ers_result_t |
| scsih_pci_mmio_enabled(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost; |
| struct MPT3SAS_ADAPTER *ioc; |
| |
| if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc)) |
| return PCI_ERS_RESULT_DISCONNECT; |
| |
| ioc_info(ioc, "PCI error: mmio enabled callback!!\n"); |
| |
| /* TODO - dump whatever for debugging purposes */ |
| |
| /* This called only if scsih_pci_error_detected returns |
| * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still |
| * works, no need to reset slot. |
| */ |
| return PCI_ERS_RESULT_RECOVERED; |
| } |
| |
| /** |
| * scsih__ncq_prio_supp - Check for NCQ command priority support |
| * @sdev: scsi device struct |
| * |
| * This is called when a user indicates they would like to enable |
| * ncq command priorities. This works only on SATA devices. |
| */ |
| bool scsih_ncq_prio_supp(struct scsi_device *sdev) |
| { |
| unsigned char *buf; |
| bool ncq_prio_supp = false; |
| |
| if (!scsi_device_supports_vpd(sdev)) |
| return ncq_prio_supp; |
| |
| buf = kmalloc(SCSI_VPD_PG_LEN, GFP_KERNEL); |
| if (!buf) |
| return ncq_prio_supp; |
| |
| if (!scsi_get_vpd_page(sdev, 0x89, buf, SCSI_VPD_PG_LEN)) |
| ncq_prio_supp = (buf[213] >> 4) & 1; |
| |
| kfree(buf); |
| return ncq_prio_supp; |
| } |
| /* |
| * The pci device ids are defined in mpi/mpi2_cnfg.h. |
| */ |
| static const struct pci_device_id mpt3sas_pci_table[] = { |
| /* Spitfire ~ 2004 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Falcon ~ 2008 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Liberator ~ 2108 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Meteor ~ 2116 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Thunderbolt ~ 2208 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Mustang ~ 2308 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP_1, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* SSS6200 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Fury ~ 3004 and 3008 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Invader ~ 3108 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Cutlass ~ 3216 and 3224 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Intruder ~ 3316 and 3324 */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_3, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_4, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_3, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_4, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Ventura, Crusader, Harpoon & Tomcat ~ 3516, 3416, 3508 & 3408*/ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508_1, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3408, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516_1, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3416, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| /* Mercator ~ 3616*/ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3616, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| |
| /* Aero SI 0x00E1 Configurable Secure |
| * 0x00E2 Hard Secure |
| */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_CFG_SEC_3916, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_HARD_SEC_3916, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| |
| /* |
| * Aero SI –> 0x00E0 Invalid, 0x00E3 Tampered |
| */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_INVALID0_3916, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_INVALID1_3916, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| |
| /* Atlas PCIe Switch Management Port */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_ATLAS_PCIe_SWITCH_DEVID, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| |
| /* Sea SI 0x00E5 Configurable Secure |
| * 0x00E6 Hard Secure |
| */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_CFG_SEC_3816, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_HARD_SEC_3816, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| |
| /* |
| * Sea SI –> 0x00E4 Invalid, 0x00E7 Tampered |
| */ |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_INVALID0_3816, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_INVALID1_3816, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| |
| {0} /* Terminating entry */ |
| }; |
| MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table); |
| |
| static struct pci_error_handlers _mpt3sas_err_handler = { |
| .error_detected = scsih_pci_error_detected, |
| .mmio_enabled = scsih_pci_mmio_enabled, |
| .slot_reset = scsih_pci_slot_reset, |
| .resume = scsih_pci_resume, |
| }; |
| |
| static struct pci_driver mpt3sas_driver = { |
| .name = MPT3SAS_DRIVER_NAME, |
| .id_table = mpt3sas_pci_table, |
| .probe = _scsih_probe, |
| .remove = scsih_remove, |
| .shutdown = scsih_shutdown, |
| .err_handler = &_mpt3sas_err_handler, |
| #ifdef CONFIG_PM |
| .suspend = scsih_suspend, |
| .resume = scsih_resume, |
| #endif |
| }; |
| |
| /** |
| * scsih_init - main entry point for this driver. |
| * |
| * Return: 0 success, anything else error. |
| */ |
| static int |
| scsih_init(void) |
| { |
| mpt2_ids = 0; |
| mpt3_ids = 0; |
| |
| mpt3sas_base_initialize_callback_handler(); |
| |
| /* queuecommand callback hander */ |
| scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done); |
| |
| /* task management callback handler */ |
| tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done); |
| |
| /* base internal commands callback handler */ |
| base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done); |
| port_enable_cb_idx = mpt3sas_base_register_callback_handler( |
| mpt3sas_port_enable_done); |
| |
| /* transport internal commands callback handler */ |
| transport_cb_idx = mpt3sas_base_register_callback_handler( |
| mpt3sas_transport_done); |
| |
| /* scsih internal commands callback handler */ |
| scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done); |
| |
| /* configuration page API internal commands callback handler */ |
| config_cb_idx = mpt3sas_base_register_callback_handler( |
| mpt3sas_config_done); |
| |
| /* ctl module callback handler */ |
| ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done); |
| |
| tm_tr_cb_idx = mpt3sas_base_register_callback_handler( |
| _scsih_tm_tr_complete); |
| |
| tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler( |
| _scsih_tm_volume_tr_complete); |
| |
| tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler( |
| _scsih_sas_control_complete); |
| |
| mpt3sas_init_debugfs(); |
| return 0; |
| } |
| |
| /** |
| * scsih_exit - exit point for this driver (when it is a module). |
| * |
| * Return: 0 success, anything else error. |
| */ |
| static void |
| scsih_exit(void) |
| { |
| |
| mpt3sas_base_release_callback_handler(scsi_io_cb_idx); |
| mpt3sas_base_release_callback_handler(tm_cb_idx); |
| mpt3sas_base_release_callback_handler(base_cb_idx); |
| mpt3sas_base_release_callback_handler(port_enable_cb_idx); |
| mpt3sas_base_release_callback_handler(transport_cb_idx); |
| mpt3sas_base_release_callback_handler(scsih_cb_idx); |
| mpt3sas_base_release_callback_handler(config_cb_idx); |
| mpt3sas_base_release_callback_handler(ctl_cb_idx); |
| |
| mpt3sas_base_release_callback_handler(tm_tr_cb_idx); |
| mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx); |
| mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx); |
| |
| /* raid transport support */ |
| if (hbas_to_enumerate != 1) |
| raid_class_release(mpt3sas_raid_template); |
| if (hbas_to_enumerate != 2) |
| raid_class_release(mpt2sas_raid_template); |
| sas_release_transport(mpt3sas_transport_template); |
| mpt3sas_exit_debugfs(); |
| } |
| |
| /** |
| * _mpt3sas_init - main entry point for this driver. |
| * |
| * Return: 0 success, anything else error. |
| */ |
| static int __init |
| _mpt3sas_init(void) |
| { |
| int error; |
| |
| pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME, |
| MPT3SAS_DRIVER_VERSION); |
| |
| mpt3sas_transport_template = |
| sas_attach_transport(&mpt3sas_transport_functions); |
| if (!mpt3sas_transport_template) |
| return -ENODEV; |
| |
| /* No need attach mpt3sas raid functions template |
| * if hbas_to_enumarate value is one. |
| */ |
| if (hbas_to_enumerate != 1) { |
| mpt3sas_raid_template = |
| raid_class_attach(&mpt3sas_raid_functions); |
| if (!mpt3sas_raid_template) { |
| sas_release_transport(mpt3sas_transport_template); |
| return -ENODEV; |
| } |
| } |
| |
| /* No need to attach mpt2sas raid functions template |
| * if hbas_to_enumarate value is two |
| */ |
| if (hbas_to_enumerate != 2) { |
| mpt2sas_raid_template = |
| raid_class_attach(&mpt2sas_raid_functions); |
| if (!mpt2sas_raid_template) { |
| sas_release_transport(mpt3sas_transport_template); |
| return -ENODEV; |
| } |
| } |
| |
| error = scsih_init(); |
| if (error) { |
| scsih_exit(); |
| return error; |
| } |
| |
| mpt3sas_ctl_init(hbas_to_enumerate); |
| |
| error = pci_register_driver(&mpt3sas_driver); |
| if (error) |
| scsih_exit(); |
| |
| return error; |
| } |
| |
| /** |
| * _mpt3sas_exit - exit point for this driver (when it is a module). |
| * |
| */ |
| static void __exit |
| _mpt3sas_exit(void) |
| { |
| pr_info("mpt3sas version %s unloading\n", |
| MPT3SAS_DRIVER_VERSION); |
| |
| mpt3sas_ctl_exit(hbas_to_enumerate); |
| |
| pci_unregister_driver(&mpt3sas_driver); |
| |
| scsih_exit(); |
| } |
| |
| module_init(_mpt3sas_init); |
| module_exit(_mpt3sas_exit); |