| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * definition for kernel virtual machines on s390 | |
| * | |
| * Copyright IBM Corp. 2008, 2018 | |
| * | |
| * Author(s): Carsten Otte <cotte@de.ibm.com> | |
| */ | |
| #ifndef ASM_KVM_HOST_H | |
| #define ASM_KVM_HOST_H | |
| #include <linux/types.h> | |
| #include <linux/hrtimer.h> | |
| #include <linux/interrupt.h> | |
| #include <linux/kvm_types.h> | |
| #include <linux/kvm_host.h> | |
| #include <linux/kvm.h> | |
| #include <linux/seqlock.h> | |
| #include <asm/debug.h> | |
| #include <asm/cpu.h> | |
| #include <asm/fpu/api.h> | |
| #include <asm/isc.h> | |
| #include <asm/guarded_storage.h> | |
| #define KVM_S390_BSCA_CPU_SLOTS 64 | |
| #define KVM_S390_ESCA_CPU_SLOTS 248 | |
| #define KVM_MAX_VCPUS 255 | |
| #define KVM_USER_MEM_SLOTS 32 | |
| /* | |
| * These seem to be used for allocating ->chip in the routing table, | |
| * which we don't use. 4096 is an out-of-thin-air value. If we need | |
| * to look at ->chip later on, we'll need to revisit this. | |
| */ | |
| #define KVM_NR_IRQCHIPS 1 | |
| #define KVM_IRQCHIP_NUM_PINS 4096 | |
| #define KVM_HALT_POLL_NS_DEFAULT 80000 | |
| /* s390-specific vcpu->requests bit members */ | |
| #define KVM_REQ_ENABLE_IBS KVM_ARCH_REQ(0) | |
| #define KVM_REQ_DISABLE_IBS KVM_ARCH_REQ(1) | |
| #define KVM_REQ_ICPT_OPEREXC KVM_ARCH_REQ(2) | |
| #define KVM_REQ_START_MIGRATION KVM_ARCH_REQ(3) | |
| #define KVM_REQ_STOP_MIGRATION KVM_ARCH_REQ(4) | |
| #define SIGP_CTRL_C 0x80 | |
| #define SIGP_CTRL_SCN_MASK 0x3f | |
| union bsca_sigp_ctrl { | |
| __u8 value; | |
| struct { | |
| __u8 c : 1; | |
| __u8 r : 1; | |
| __u8 scn : 6; | |
| }; | |
| }; | |
| union esca_sigp_ctrl { | |
| __u16 value; | |
| struct { | |
| __u8 c : 1; | |
| __u8 reserved: 7; | |
| __u8 scn; | |
| }; | |
| }; | |
| struct esca_entry { | |
| union esca_sigp_ctrl sigp_ctrl; | |
| __u16 reserved1[3]; | |
| __u64 sda; | |
| __u64 reserved2[6]; | |
| }; | |
| struct bsca_entry { | |
| __u8 reserved0; | |
| union bsca_sigp_ctrl sigp_ctrl; | |
| __u16 reserved[3]; | |
| __u64 sda; | |
| __u64 reserved2[2]; | |
| }; | |
| union ipte_control { | |
| unsigned long val; | |
| struct { | |
| unsigned long k : 1; | |
| unsigned long kh : 31; | |
| unsigned long kg : 32; | |
| }; | |
| }; | |
| struct bsca_block { | |
| union ipte_control ipte_control; | |
| __u64 reserved[5]; | |
| __u64 mcn; | |
| __u64 reserved2; | |
| struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS]; | |
| }; | |
| struct esca_block { | |
| union ipte_control ipte_control; | |
| __u64 reserved1[7]; | |
| __u64 mcn[4]; | |
| __u64 reserved2[20]; | |
| struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS]; | |
| }; | |
| /* | |
| * This struct is used to store some machine check info from lowcore | |
| * for machine checks that happen while the guest is running. | |
| * This info in host's lowcore might be overwritten by a second machine | |
| * check from host when host is in the machine check's high-level handling. | |
| * The size is 24 bytes. | |
| */ | |
| struct mcck_volatile_info { | |
| __u64 mcic; | |
| __u64 failing_storage_address; | |
| __u32 ext_damage_code; | |
| __u32 reserved; | |
| }; | |
| #define CPUSTAT_STOPPED 0x80000000 | |
| #define CPUSTAT_WAIT 0x10000000 | |
| #define CPUSTAT_ECALL_PEND 0x08000000 | |
| #define CPUSTAT_STOP_INT 0x04000000 | |
| #define CPUSTAT_IO_INT 0x02000000 | |
| #define CPUSTAT_EXT_INT 0x01000000 | |
| #define CPUSTAT_RUNNING 0x00800000 | |
| #define CPUSTAT_RETAINED 0x00400000 | |
| #define CPUSTAT_TIMING_SUB 0x00020000 | |
| #define CPUSTAT_SIE_SUB 0x00010000 | |
| #define CPUSTAT_RRF 0x00008000 | |
| #define CPUSTAT_SLSV 0x00004000 | |
| #define CPUSTAT_SLSR 0x00002000 | |
| #define CPUSTAT_ZARCH 0x00000800 | |
| #define CPUSTAT_MCDS 0x00000100 | |
| #define CPUSTAT_KSS 0x00000200 | |
| #define CPUSTAT_SM 0x00000080 | |
| #define CPUSTAT_IBS 0x00000040 | |
| #define CPUSTAT_GED2 0x00000010 | |
| #define CPUSTAT_G 0x00000008 | |
| #define CPUSTAT_GED 0x00000004 | |
| #define CPUSTAT_J 0x00000002 | |
| #define CPUSTAT_P 0x00000001 | |
| struct kvm_s390_sie_block { | |
| atomic_t cpuflags; /* 0x0000 */ | |
| __u32 : 1; /* 0x0004 */ | |
| __u32 prefix : 18; | |
| __u32 : 1; | |
| __u32 ibc : 12; | |
| __u8 reserved08[4]; /* 0x0008 */ | |
| #define PROG_IN_SIE (1<<0) | |
| __u32 prog0c; /* 0x000c */ | |
| __u8 reserved10[16]; /* 0x0010 */ | |
| #define PROG_BLOCK_SIE (1<<0) | |
| #define PROG_REQUEST (1<<1) | |
| atomic_t prog20; /* 0x0020 */ | |
| __u8 reserved24[4]; /* 0x0024 */ | |
| __u64 cputm; /* 0x0028 */ | |
| __u64 ckc; /* 0x0030 */ | |
| __u64 epoch; /* 0x0038 */ | |
| __u32 svcc; /* 0x0040 */ | |
| #define LCTL_CR0 0x8000 | |
| #define LCTL_CR6 0x0200 | |
| #define LCTL_CR9 0x0040 | |
| #define LCTL_CR10 0x0020 | |
| #define LCTL_CR11 0x0010 | |
| #define LCTL_CR14 0x0002 | |
| __u16 lctl; /* 0x0044 */ | |
| __s16 icpua; /* 0x0046 */ | |
| #define ICTL_OPEREXC 0x80000000 | |
| #define ICTL_PINT 0x20000000 | |
| #define ICTL_LPSW 0x00400000 | |
| #define ICTL_STCTL 0x00040000 | |
| #define ICTL_ISKE 0x00004000 | |
| #define ICTL_SSKE 0x00002000 | |
| #define ICTL_RRBE 0x00001000 | |
| #define ICTL_TPROT 0x00000200 | |
| __u32 ictl; /* 0x0048 */ | |
| #define ECA_CEI 0x80000000 | |
| #define ECA_IB 0x40000000 | |
| #define ECA_SIGPI 0x10000000 | |
| #define ECA_MVPGI 0x01000000 | |
| #define ECA_AIV 0x00200000 | |
| #define ECA_VX 0x00020000 | |
| #define ECA_PROTEXCI 0x00002000 | |
| #define ECA_SII 0x00000001 | |
| __u32 eca; /* 0x004c */ | |
| #define ICPT_INST 0x04 | |
| #define ICPT_PROGI 0x08 | |
| #define ICPT_INSTPROGI 0x0C | |
| #define ICPT_EXTREQ 0x10 | |
| #define ICPT_EXTINT 0x14 | |
| #define ICPT_IOREQ 0x18 | |
| #define ICPT_WAIT 0x1c | |
| #define ICPT_VALIDITY 0x20 | |
| #define ICPT_STOP 0x28 | |
| #define ICPT_OPEREXC 0x2C | |
| #define ICPT_PARTEXEC 0x38 | |
| #define ICPT_IOINST 0x40 | |
| #define ICPT_KSS 0x5c | |
| __u8 icptcode; /* 0x0050 */ | |
| __u8 icptstatus; /* 0x0051 */ | |
| __u16 ihcpu; /* 0x0052 */ | |
| __u8 reserved54[2]; /* 0x0054 */ | |
| __u16 ipa; /* 0x0056 */ | |
| __u32 ipb; /* 0x0058 */ | |
| __u32 scaoh; /* 0x005c */ | |
| #define FPF_BPBC 0x20 | |
| __u8 fpf; /* 0x0060 */ | |
| #define ECB_GS 0x40 | |
| #define ECB_TE 0x10 | |
| #define ECB_SRSI 0x04 | |
| #define ECB_HOSTPROTINT 0x02 | |
| __u8 ecb; /* 0x0061 */ | |
| #define ECB2_CMMA 0x80 | |
| #define ECB2_IEP 0x20 | |
| #define ECB2_PFMFI 0x08 | |
| #define ECB2_ESCA 0x04 | |
| __u8 ecb2; /* 0x0062 */ | |
| #define ECB3_DEA 0x08 | |
| #define ECB3_AES 0x04 | |
| #define ECB3_RI 0x01 | |
| __u8 ecb3; /* 0x0063 */ | |
| __u32 scaol; /* 0x0064 */ | |
| __u8 reserved68; /* 0x0068 */ | |
| __u8 epdx; /* 0x0069 */ | |
| __u8 reserved6a[2]; /* 0x006a */ | |
| __u32 todpr; /* 0x006c */ | |
| #define GISA_FORMAT1 0x00000001 | |
| __u32 gd; /* 0x0070 */ | |
| __u8 reserved74[12]; /* 0x0074 */ | |
| __u64 mso; /* 0x0080 */ | |
| __u64 msl; /* 0x0088 */ | |
| psw_t gpsw; /* 0x0090 */ | |
| __u64 gg14; /* 0x00a0 */ | |
| __u64 gg15; /* 0x00a8 */ | |
| __u8 reservedb0[20]; /* 0x00b0 */ | |
| __u16 extcpuaddr; /* 0x00c4 */ | |
| __u16 eic; /* 0x00c6 */ | |
| __u32 reservedc8; /* 0x00c8 */ | |
| __u16 pgmilc; /* 0x00cc */ | |
| __u16 iprcc; /* 0x00ce */ | |
| __u32 dxc; /* 0x00d0 */ | |
| __u16 mcn; /* 0x00d4 */ | |
| __u8 perc; /* 0x00d6 */ | |
| __u8 peratmid; /* 0x00d7 */ | |
| __u64 peraddr; /* 0x00d8 */ | |
| __u8 eai; /* 0x00e0 */ | |
| __u8 peraid; /* 0x00e1 */ | |
| __u8 oai; /* 0x00e2 */ | |
| __u8 armid; /* 0x00e3 */ | |
| __u8 reservede4[4]; /* 0x00e4 */ | |
| __u64 tecmc; /* 0x00e8 */ | |
| __u8 reservedf0[12]; /* 0x00f0 */ | |
| #define CRYCB_FORMAT1 0x00000001 | |
| #define CRYCB_FORMAT2 0x00000003 | |
| __u32 crycbd; /* 0x00fc */ | |
| __u64 gcr[16]; /* 0x0100 */ | |
| __u64 gbea; /* 0x0180 */ | |
| __u8 reserved188[8]; /* 0x0188 */ | |
| __u64 sdnxo; /* 0x0190 */ | |
| __u8 reserved198[8]; /* 0x0198 */ | |
| __u32 fac; /* 0x01a0 */ | |
| __u8 reserved1a4[20]; /* 0x01a4 */ | |
| __u64 cbrlo; /* 0x01b8 */ | |
| __u8 reserved1c0[8]; /* 0x01c0 */ | |
| #define ECD_HOSTREGMGMT 0x20000000 | |
| #define ECD_MEF 0x08000000 | |
| __u32 ecd; /* 0x01c8 */ | |
| __u8 reserved1cc[18]; /* 0x01cc */ | |
| __u64 pp; /* 0x01de */ | |
| __u8 reserved1e6[2]; /* 0x01e6 */ | |
| __u64 itdba; /* 0x01e8 */ | |
| __u64 riccbd; /* 0x01f0 */ | |
| __u64 gvrd; /* 0x01f8 */ | |
| } __attribute__((packed)); | |
| struct kvm_s390_itdb { | |
| __u8 data[256]; | |
| }; | |
| struct sie_page { | |
| struct kvm_s390_sie_block sie_block; | |
| struct mcck_volatile_info mcck_info; /* 0x0200 */ | |
| __u8 reserved218[1000]; /* 0x0218 */ | |
| struct kvm_s390_itdb itdb; /* 0x0600 */ | |
| __u8 reserved700[2304]; /* 0x0700 */ | |
| }; | |
| struct kvm_vcpu_stat { | |
| u64 exit_userspace; | |
| u64 exit_null; | |
| u64 exit_external_request; | |
| u64 exit_io_request; | |
| u64 exit_external_interrupt; | |
| u64 exit_stop_request; | |
| u64 exit_validity; | |
| u64 exit_instruction; | |
| u64 exit_pei; | |
| u64 halt_successful_poll; | |
| u64 halt_attempted_poll; | |
| u64 halt_poll_invalid; | |
| u64 halt_wakeup; | |
| u64 instruction_lctl; | |
| u64 instruction_lctlg; | |
| u64 instruction_stctl; | |
| u64 instruction_stctg; | |
| u64 exit_program_interruption; | |
| u64 exit_instr_and_program; | |
| u64 exit_operation_exception; | |
| u64 deliver_ckc; | |
| u64 deliver_cputm; | |
| u64 deliver_external_call; | |
| u64 deliver_emergency_signal; | |
| u64 deliver_service_signal; | |
| u64 deliver_virtio; | |
| u64 deliver_stop_signal; | |
| u64 deliver_prefix_signal; | |
| u64 deliver_restart_signal; | |
| u64 deliver_program; | |
| u64 deliver_io; | |
| u64 deliver_machine_check; | |
| u64 exit_wait_state; | |
| u64 inject_ckc; | |
| u64 inject_cputm; | |
| u64 inject_external_call; | |
| u64 inject_emergency_signal; | |
| u64 inject_mchk; | |
| u64 inject_pfault_init; | |
| u64 inject_program; | |
| u64 inject_restart; | |
| u64 inject_set_prefix; | |
| u64 inject_stop_signal; | |
| u64 instruction_epsw; | |
| u64 instruction_gs; | |
| u64 instruction_io_other; | |
| u64 instruction_lpsw; | |
| u64 instruction_lpswe; | |
| u64 instruction_pfmf; | |
| u64 instruction_ptff; | |
| u64 instruction_sck; | |
| u64 instruction_sckpf; | |
| u64 instruction_stidp; | |
| u64 instruction_spx; | |
| u64 instruction_stpx; | |
| u64 instruction_stap; | |
| u64 instruction_iske; | |
| u64 instruction_ri; | |
| u64 instruction_rrbe; | |
| u64 instruction_sske; | |
| u64 instruction_ipte_interlock; | |
| u64 instruction_stsi; | |
| u64 instruction_stfl; | |
| u64 instruction_tb; | |
| u64 instruction_tpi; | |
| u64 instruction_tprot; | |
| u64 instruction_tsch; | |
| u64 instruction_sie; | |
| u64 instruction_essa; | |
| u64 instruction_sthyi; | |
| u64 instruction_sigp_sense; | |
| u64 instruction_sigp_sense_running; | |
| u64 instruction_sigp_external_call; | |
| u64 instruction_sigp_emergency; | |
| u64 instruction_sigp_cond_emergency; | |
| u64 instruction_sigp_start; | |
| u64 instruction_sigp_stop; | |
| u64 instruction_sigp_stop_store_status; | |
| u64 instruction_sigp_store_status; | |
| u64 instruction_sigp_store_adtl_status; | |
| u64 instruction_sigp_arch; | |
| u64 instruction_sigp_prefix; | |
| u64 instruction_sigp_restart; | |
| u64 instruction_sigp_init_cpu_reset; | |
| u64 instruction_sigp_cpu_reset; | |
| u64 instruction_sigp_unknown; | |
| u64 diagnose_10; | |
| u64 diagnose_44; | |
| u64 diagnose_9c; | |
| u64 diagnose_258; | |
| u64 diagnose_308; | |
| u64 diagnose_500; | |
| u64 diagnose_other; | |
| }; | |
| #define PGM_OPERATION 0x01 | |
| #define PGM_PRIVILEGED_OP 0x02 | |
| #define PGM_EXECUTE 0x03 | |
| #define PGM_PROTECTION 0x04 | |
| #define PGM_ADDRESSING 0x05 | |
| #define PGM_SPECIFICATION 0x06 | |
| #define PGM_DATA 0x07 | |
| #define PGM_FIXED_POINT_OVERFLOW 0x08 | |
| #define PGM_FIXED_POINT_DIVIDE 0x09 | |
| #define PGM_DECIMAL_OVERFLOW 0x0a | |
| #define PGM_DECIMAL_DIVIDE 0x0b | |
| #define PGM_HFP_EXPONENT_OVERFLOW 0x0c | |
| #define PGM_HFP_EXPONENT_UNDERFLOW 0x0d | |
| #define PGM_HFP_SIGNIFICANCE 0x0e | |
| #define PGM_HFP_DIVIDE 0x0f | |
| #define PGM_SEGMENT_TRANSLATION 0x10 | |
| #define PGM_PAGE_TRANSLATION 0x11 | |
| #define PGM_TRANSLATION_SPEC 0x12 | |
| #define PGM_SPECIAL_OPERATION 0x13 | |
| #define PGM_OPERAND 0x15 | |
| #define PGM_TRACE_TABEL 0x16 | |
| #define PGM_VECTOR_PROCESSING 0x1b | |
| #define PGM_SPACE_SWITCH 0x1c | |
| #define PGM_HFP_SQUARE_ROOT 0x1d | |
| #define PGM_PC_TRANSLATION_SPEC 0x1f | |
| #define PGM_AFX_TRANSLATION 0x20 | |
| #define PGM_ASX_TRANSLATION 0x21 | |
| #define PGM_LX_TRANSLATION 0x22 | |
| #define PGM_EX_TRANSLATION 0x23 | |
| #define PGM_PRIMARY_AUTHORITY 0x24 | |
| #define PGM_SECONDARY_AUTHORITY 0x25 | |
| #define PGM_LFX_TRANSLATION 0x26 | |
| #define PGM_LSX_TRANSLATION 0x27 | |
| #define PGM_ALET_SPECIFICATION 0x28 | |
| #define PGM_ALEN_TRANSLATION 0x29 | |
| #define PGM_ALE_SEQUENCE 0x2a | |
| #define PGM_ASTE_VALIDITY 0x2b | |
| #define PGM_ASTE_SEQUENCE 0x2c | |
| #define PGM_EXTENDED_AUTHORITY 0x2d | |
| #define PGM_LSTE_SEQUENCE 0x2e | |
| #define PGM_ASTE_INSTANCE 0x2f | |
| #define PGM_STACK_FULL 0x30 | |
| #define PGM_STACK_EMPTY 0x31 | |
| #define PGM_STACK_SPECIFICATION 0x32 | |
| #define PGM_STACK_TYPE 0x33 | |
| #define PGM_STACK_OPERATION 0x34 | |
| #define PGM_ASCE_TYPE 0x38 | |
| #define PGM_REGION_FIRST_TRANS 0x39 | |
| #define PGM_REGION_SECOND_TRANS 0x3a | |
| #define PGM_REGION_THIRD_TRANS 0x3b | |
| #define PGM_MONITOR 0x40 | |
| #define PGM_PER 0x80 | |
| #define PGM_CRYPTO_OPERATION 0x119 | |
| /* irq types in ascend order of priorities */ | |
| enum irq_types { | |
| IRQ_PEND_SET_PREFIX = 0, | |
| IRQ_PEND_RESTART, | |
| IRQ_PEND_SIGP_STOP, | |
| IRQ_PEND_IO_ISC_7, | |
| IRQ_PEND_IO_ISC_6, | |
| IRQ_PEND_IO_ISC_5, | |
| IRQ_PEND_IO_ISC_4, | |
| IRQ_PEND_IO_ISC_3, | |
| IRQ_PEND_IO_ISC_2, | |
| IRQ_PEND_IO_ISC_1, | |
| IRQ_PEND_IO_ISC_0, | |
| IRQ_PEND_VIRTIO, | |
| IRQ_PEND_PFAULT_DONE, | |
| IRQ_PEND_PFAULT_INIT, | |
| IRQ_PEND_EXT_HOST, | |
| IRQ_PEND_EXT_SERVICE, | |
| IRQ_PEND_EXT_TIMING, | |
| IRQ_PEND_EXT_CPU_TIMER, | |
| IRQ_PEND_EXT_CLOCK_COMP, | |
| IRQ_PEND_EXT_EXTERNAL, | |
| IRQ_PEND_EXT_EMERGENCY, | |
| IRQ_PEND_EXT_MALFUNC, | |
| IRQ_PEND_EXT_IRQ_KEY, | |
| IRQ_PEND_MCHK_REP, | |
| IRQ_PEND_PROG, | |
| IRQ_PEND_SVC, | |
| IRQ_PEND_MCHK_EX, | |
| IRQ_PEND_COUNT | |
| }; | |
| /* We have 2M for virtio device descriptor pages. Smallest amount of | |
| * memory per page is 24 bytes (1 queue), so (2048*1024) / 24 = 87381 | |
| */ | |
| #define KVM_S390_MAX_VIRTIO_IRQS 87381 | |
| /* | |
| * Repressible (non-floating) machine check interrupts | |
| * subclass bits in MCIC | |
| */ | |
| #define MCHK_EXTD_BIT 58 | |
| #define MCHK_DEGR_BIT 56 | |
| #define MCHK_WARN_BIT 55 | |
| #define MCHK_REP_MASK ((1UL << MCHK_DEGR_BIT) | \ | |
| (1UL << MCHK_EXTD_BIT) | \ | |
| (1UL << MCHK_WARN_BIT)) | |
| /* Exigent machine check interrupts subclass bits in MCIC */ | |
| #define MCHK_SD_BIT 63 | |
| #define MCHK_PD_BIT 62 | |
| #define MCHK_EX_MASK ((1UL << MCHK_SD_BIT) | (1UL << MCHK_PD_BIT)) | |
| #define IRQ_PEND_EXT_MASK ((1UL << IRQ_PEND_EXT_IRQ_KEY) | \ | |
| (1UL << IRQ_PEND_EXT_CLOCK_COMP) | \ | |
| (1UL << IRQ_PEND_EXT_CPU_TIMER) | \ | |
| (1UL << IRQ_PEND_EXT_MALFUNC) | \ | |
| (1UL << IRQ_PEND_EXT_EMERGENCY) | \ | |
| (1UL << IRQ_PEND_EXT_EXTERNAL) | \ | |
| (1UL << IRQ_PEND_EXT_TIMING) | \ | |
| (1UL << IRQ_PEND_EXT_HOST) | \ | |
| (1UL << IRQ_PEND_EXT_SERVICE) | \ | |
| (1UL << IRQ_PEND_VIRTIO) | \ | |
| (1UL << IRQ_PEND_PFAULT_INIT) | \ | |
| (1UL << IRQ_PEND_PFAULT_DONE)) | |
| #define IRQ_PEND_IO_MASK ((1UL << IRQ_PEND_IO_ISC_0) | \ | |
| (1UL << IRQ_PEND_IO_ISC_1) | \ | |
| (1UL << IRQ_PEND_IO_ISC_2) | \ | |
| (1UL << IRQ_PEND_IO_ISC_3) | \ | |
| (1UL << IRQ_PEND_IO_ISC_4) | \ | |
| (1UL << IRQ_PEND_IO_ISC_5) | \ | |
| (1UL << IRQ_PEND_IO_ISC_6) | \ | |
| (1UL << IRQ_PEND_IO_ISC_7)) | |
| #define IRQ_PEND_MCHK_MASK ((1UL << IRQ_PEND_MCHK_REP) | \ | |
| (1UL << IRQ_PEND_MCHK_EX)) | |
| struct kvm_s390_interrupt_info { | |
| struct list_head list; | |
| u64 type; | |
| union { | |
| struct kvm_s390_io_info io; | |
| struct kvm_s390_ext_info ext; | |
| struct kvm_s390_pgm_info pgm; | |
| struct kvm_s390_emerg_info emerg; | |
| struct kvm_s390_extcall_info extcall; | |
| struct kvm_s390_prefix_info prefix; | |
| struct kvm_s390_stop_info stop; | |
| struct kvm_s390_mchk_info mchk; | |
| }; | |
| }; | |
| struct kvm_s390_irq_payload { | |
| struct kvm_s390_io_info io; | |
| struct kvm_s390_ext_info ext; | |
| struct kvm_s390_pgm_info pgm; | |
| struct kvm_s390_emerg_info emerg; | |
| struct kvm_s390_extcall_info extcall; | |
| struct kvm_s390_prefix_info prefix; | |
| struct kvm_s390_stop_info stop; | |
| struct kvm_s390_mchk_info mchk; | |
| }; | |
| struct kvm_s390_local_interrupt { | |
| spinlock_t lock; | |
| DECLARE_BITMAP(sigp_emerg_pending, KVM_MAX_VCPUS); | |
| struct kvm_s390_irq_payload irq; | |
| unsigned long pending_irqs; | |
| }; | |
| #define FIRQ_LIST_IO_ISC_0 0 | |
| #define FIRQ_LIST_IO_ISC_1 1 | |
| #define FIRQ_LIST_IO_ISC_2 2 | |
| #define FIRQ_LIST_IO_ISC_3 3 | |
| #define FIRQ_LIST_IO_ISC_4 4 | |
| #define FIRQ_LIST_IO_ISC_5 5 | |
| #define FIRQ_LIST_IO_ISC_6 6 | |
| #define FIRQ_LIST_IO_ISC_7 7 | |
| #define FIRQ_LIST_PFAULT 8 | |
| #define FIRQ_LIST_VIRTIO 9 | |
| #define FIRQ_LIST_COUNT 10 | |
| #define FIRQ_CNTR_IO 0 | |
| #define FIRQ_CNTR_SERVICE 1 | |
| #define FIRQ_CNTR_VIRTIO 2 | |
| #define FIRQ_CNTR_PFAULT 3 | |
| #define FIRQ_MAX_COUNT 4 | |
| /* mask the AIS mode for a given ISC */ | |
| #define AIS_MODE_MASK(isc) (0x80 >> isc) | |
| #define KVM_S390_AIS_MODE_ALL 0 | |
| #define KVM_S390_AIS_MODE_SINGLE 1 | |
| struct kvm_s390_float_interrupt { | |
| unsigned long pending_irqs; | |
| spinlock_t lock; | |
| struct list_head lists[FIRQ_LIST_COUNT]; | |
| int counters[FIRQ_MAX_COUNT]; | |
| struct kvm_s390_mchk_info mchk; | |
| struct kvm_s390_ext_info srv_signal; | |
| int next_rr_cpu; | |
| unsigned long idle_mask[BITS_TO_LONGS(KVM_MAX_VCPUS)]; | |
| struct mutex ais_lock; | |
| u8 simm; | |
| u8 nimm; | |
| }; | |
| struct kvm_hw_wp_info_arch { | |
| unsigned long addr; | |
| unsigned long phys_addr; | |
| int len; | |
| char *old_data; | |
| }; | |
| struct kvm_hw_bp_info_arch { | |
| unsigned long addr; | |
| int len; | |
| }; | |
| /* | |
| * Only the upper 16 bits of kvm_guest_debug->control are arch specific. | |
| * Further KVM_GUESTDBG flags which an be used from userspace can be found in | |
| * arch/s390/include/uapi/asm/kvm.h | |
| */ | |
| #define KVM_GUESTDBG_EXIT_PENDING 0x10000000 | |
| #define guestdbg_enabled(vcpu) \ | |
| (vcpu->guest_debug & KVM_GUESTDBG_ENABLE) | |
| #define guestdbg_sstep_enabled(vcpu) \ | |
| (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) | |
| #define guestdbg_hw_bp_enabled(vcpu) \ | |
| (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) | |
| #define guestdbg_exit_pending(vcpu) (guestdbg_enabled(vcpu) && \ | |
| (vcpu->guest_debug & KVM_GUESTDBG_EXIT_PENDING)) | |
| struct kvm_guestdbg_info_arch { | |
| unsigned long cr0; | |
| unsigned long cr9; | |
| unsigned long cr10; | |
| unsigned long cr11; | |
| struct kvm_hw_bp_info_arch *hw_bp_info; | |
| struct kvm_hw_wp_info_arch *hw_wp_info; | |
| int nr_hw_bp; | |
| int nr_hw_wp; | |
| unsigned long last_bp; | |
| }; | |
| struct kvm_vcpu_arch { | |
| struct kvm_s390_sie_block *sie_block; | |
| /* if vsie is active, currently executed shadow sie control block */ | |
| struct kvm_s390_sie_block *vsie_block; | |
| unsigned int host_acrs[NUM_ACRS]; | |
| struct gs_cb *host_gscb; | |
| struct fpu host_fpregs; | |
| struct kvm_s390_local_interrupt local_int; | |
| struct hrtimer ckc_timer; | |
| struct kvm_s390_pgm_info pgm; | |
| struct gmap *gmap; | |
| /* backup location for the currently enabled gmap when scheduled out */ | |
| struct gmap *enabled_gmap; | |
| struct kvm_guestdbg_info_arch guestdbg; | |
| unsigned long pfault_token; | |
| unsigned long pfault_select; | |
| unsigned long pfault_compare; | |
| bool cputm_enabled; | |
| /* | |
| * The seqcount protects updates to cputm_start and sie_block.cputm, | |
| * this way we can have non-blocking reads with consistent values. | |
| * Only the owning VCPU thread (vcpu->cpu) is allowed to change these | |
| * values and to start/stop/enable/disable cpu timer accounting. | |
| */ | |
| seqcount_t cputm_seqcount; | |
| __u64 cputm_start; | |
| bool gs_enabled; | |
| }; | |
| struct kvm_vm_stat { | |
| u64 inject_io; | |
| u64 inject_float_mchk; | |
| u64 inject_pfault_done; | |
| u64 inject_service_signal; | |
| u64 inject_virtio; | |
| u64 remote_tlb_flush; | |
| }; | |
| struct kvm_arch_memory_slot { | |
| }; | |
| struct s390_map_info { | |
| struct list_head list; | |
| __u64 guest_addr; | |
| __u64 addr; | |
| struct page *page; | |
| }; | |
| struct s390_io_adapter { | |
| unsigned int id; | |
| int isc; | |
| bool maskable; | |
| bool masked; | |
| bool swap; | |
| bool suppressible; | |
| struct rw_semaphore maps_lock; | |
| struct list_head maps; | |
| atomic_t nr_maps; | |
| }; | |
| #define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8) | |
| #define MAX_S390_ADAPTER_MAPS 256 | |
| /* maximum size of facilities and facility mask is 2k bytes */ | |
| #define S390_ARCH_FAC_LIST_SIZE_BYTE (1<<11) | |
| #define S390_ARCH_FAC_LIST_SIZE_U64 \ | |
| (S390_ARCH_FAC_LIST_SIZE_BYTE / sizeof(u64)) | |
| #define S390_ARCH_FAC_MASK_SIZE_BYTE S390_ARCH_FAC_LIST_SIZE_BYTE | |
| #define S390_ARCH_FAC_MASK_SIZE_U64 \ | |
| (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64)) | |
| struct kvm_s390_cpu_model { | |
| /* facility mask supported by kvm & hosting machine */ | |
| __u64 fac_mask[S390_ARCH_FAC_LIST_SIZE_U64]; | |
| /* facility list requested by guest (in dma page) */ | |
| __u64 *fac_list; | |
| u64 cpuid; | |
| unsigned short ibc; | |
| }; | |
| struct kvm_s390_crypto { | |
| struct kvm_s390_crypto_cb *crycb; | |
| __u32 crycbd; | |
| __u8 aes_kw; | |
| __u8 dea_kw; | |
| }; | |
| #define APCB0_MASK_SIZE 1 | |
| struct kvm_s390_apcb0 { | |
| __u64 apm[APCB0_MASK_SIZE]; /* 0x0000 */ | |
| __u64 aqm[APCB0_MASK_SIZE]; /* 0x0008 */ | |
| __u64 adm[APCB0_MASK_SIZE]; /* 0x0010 */ | |
| __u64 reserved18; /* 0x0018 */ | |
| }; | |
| #define APCB1_MASK_SIZE 4 | |
| struct kvm_s390_apcb1 { | |
| __u64 apm[APCB1_MASK_SIZE]; /* 0x0000 */ | |
| __u64 aqm[APCB1_MASK_SIZE]; /* 0x0020 */ | |
| __u64 adm[APCB1_MASK_SIZE]; /* 0x0040 */ | |
| __u64 reserved60[4]; /* 0x0060 */ | |
| }; | |
| struct kvm_s390_crypto_cb { | |
| struct kvm_s390_apcb0 apcb0; /* 0x0000 */ | |
| __u8 reserved20[0x0048 - 0x0020]; /* 0x0020 */ | |
| __u8 dea_wrapping_key_mask[24]; /* 0x0048 */ | |
| __u8 aes_wrapping_key_mask[32]; /* 0x0060 */ | |
| struct kvm_s390_apcb1 apcb1; /* 0x0080 */ | |
| }; | |
| struct kvm_s390_gisa { | |
| union { | |
| struct { /* common to all formats */ | |
| u32 next_alert; | |
| u8 ipm; | |
| u8 reserved01[2]; | |
| u8 iam; | |
| }; | |
| struct { /* format 0 */ | |
| u32 next_alert; | |
| u8 ipm; | |
| u8 reserved01; | |
| u8 : 6; | |
| u8 g : 1; | |
| u8 c : 1; | |
| u8 iam; | |
| u8 reserved02[4]; | |
| u32 airq_count; | |
| } g0; | |
| struct { /* format 1 */ | |
| u32 next_alert; | |
| u8 ipm; | |
| u8 simm; | |
| u8 nimm; | |
| u8 iam; | |
| u8 aism[8]; | |
| u8 : 6; | |
| u8 g : 1; | |
| u8 c : 1; | |
| u8 reserved03[11]; | |
| u32 airq_count; | |
| } g1; | |
| }; | |
| }; | |
| /* | |
| * sie_page2 has to be allocated as DMA because fac_list, crycb and | |
| * gisa need 31bit addresses in the sie control block. | |
| */ | |
| struct sie_page2 { | |
| __u64 fac_list[S390_ARCH_FAC_LIST_SIZE_U64]; /* 0x0000 */ | |
| struct kvm_s390_crypto_cb crycb; /* 0x0800 */ | |
| struct kvm_s390_gisa gisa; /* 0x0900 */ | |
| u8 reserved920[0x1000 - 0x920]; /* 0x0920 */ | |
| }; | |
| struct kvm_s390_vsie { | |
| struct mutex mutex; | |
| struct radix_tree_root addr_to_page; | |
| int page_count; | |
| int next; | |
| struct page *pages[KVM_MAX_VCPUS]; | |
| }; | |
| struct kvm_s390_migration_state { | |
| unsigned long bitmap_size; /* in bits (number of guest pages) */ | |
| atomic64_t dirty_pages; /* number of dirty pages */ | |
| unsigned long *pgste_bitmap; | |
| }; | |
| struct kvm_arch{ | |
| void *sca; | |
| int use_esca; | |
| rwlock_t sca_lock; | |
| debug_info_t *dbf; | |
| struct kvm_s390_float_interrupt float_int; | |
| struct kvm_device *flic; | |
| struct gmap *gmap; | |
| unsigned long mem_limit; | |
| int css_support; | |
| int use_irqchip; | |
| int use_cmma; | |
| int use_pfmfi; | |
| int use_skf; | |
| int user_cpu_state_ctrl; | |
| int user_sigp; | |
| int user_stsi; | |
| int user_instr0; | |
| struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS]; | |
| wait_queue_head_t ipte_wq; | |
| int ipte_lock_count; | |
| struct mutex ipte_mutex; | |
| spinlock_t start_stop_lock; | |
| struct sie_page2 *sie_page2; | |
| struct kvm_s390_cpu_model model; | |
| struct kvm_s390_crypto crypto; | |
| struct kvm_s390_vsie vsie; | |
| u8 epdx; | |
| u64 epoch; | |
| struct kvm_s390_migration_state *migration_state; | |
| /* subset of available cpu features enabled by user space */ | |
| DECLARE_BITMAP(cpu_feat, KVM_S390_VM_CPU_FEAT_NR_BITS); | |
| struct kvm_s390_gisa *gisa; | |
| }; | |
| #define KVM_HVA_ERR_BAD (-1UL) | |
| #define KVM_HVA_ERR_RO_BAD (-2UL) | |
| static inline bool kvm_is_error_hva(unsigned long addr) | |
| { | |
| return IS_ERR_VALUE(addr); | |
| } | |
| #define ASYNC_PF_PER_VCPU 64 | |
| struct kvm_arch_async_pf { | |
| unsigned long pfault_token; | |
| }; | |
| bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu); | |
| void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, | |
| struct kvm_async_pf *work); | |
| void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, | |
| struct kvm_async_pf *work); | |
| void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, | |
| struct kvm_async_pf *work); | |
| extern int sie64a(struct kvm_s390_sie_block *, u64 *); | |
| extern char sie_exit; | |
| static inline void kvm_arch_hardware_disable(void) {} | |
| static inline void kvm_arch_check_processor_compat(void *rtn) {} | |
| static inline void kvm_arch_sync_events(struct kvm *kvm) {} | |
| static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {} | |
| static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} | |
| static inline void kvm_arch_free_memslot(struct kvm *kvm, | |
| struct kvm_memory_slot *free, struct kvm_memory_slot *dont) {} | |
| static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} | |
| static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} | |
| static inline void kvm_arch_flush_shadow_memslot(struct kvm *kvm, | |
| struct kvm_memory_slot *slot) {} | |
| static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} | |
| static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} | |
| void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu); | |
| #endif |