| // SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB |
| /* Copyright (c) 2018 - 2024 Intel Corporation */ |
| #include "osdep.h" |
| #include "type.h" |
| #include "protos.h" |
| #include "ig3rdma_hw.h" |
| |
| /** |
| * ig3rdma_ena_irq - Enable interrupt |
| * @dev: pointer to the device structure |
| * @idx: vector index |
| */ |
| static void ig3rdma_ena_irq(struct irdma_sc_dev *dev, u32 idx) |
| { |
| u32 val; |
| u32 int_stride = 1; /* one u32 per register */ |
| |
| if (dev->is_pf) |
| int_stride = 0x400; |
| else |
| idx--; /* VFs use DYN_CTL_N */ |
| |
| val = FIELD_PREP(IRDMA_GLINT_DYN_CTL_INTENA, 1) | |
| FIELD_PREP(IRDMA_GLINT_DYN_CTL_CLEARPBA, 1); |
| |
| writel(val, dev->hw_regs[IRDMA_GLINT_DYN_CTL] + (idx * int_stride)); |
| } |
| |
| /** |
| * ig3rdma_disable_irq - Disable interrupt |
| * @dev: pointer to the device structure |
| * @idx: vector index |
| */ |
| static void ig3rdma_disable_irq(struct irdma_sc_dev *dev, u32 idx) |
| { |
| u32 int_stride = 1; /* one u32 per register */ |
| |
| if (dev->is_pf) |
| int_stride = 0x400; |
| else |
| idx--; /* VFs use DYN_CTL_N */ |
| |
| writel(0, dev->hw_regs[IRDMA_GLINT_DYN_CTL] + (idx * int_stride)); |
| } |
| |
| static const struct irdma_irq_ops ig3rdma_irq_ops = { |
| .irdma_dis_irq = ig3rdma_disable_irq, |
| .irdma_en_irq = ig3rdma_ena_irq, |
| }; |
| |
| static const struct irdma_hw_stat_map ig3rdma_hw_stat_map[] = { |
| [IRDMA_HW_STAT_INDEX_RXVLANERR] = { 0, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4RXOCTS] = { 8, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4RXPKTS] = { 16, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4RXDISCARD] = { 24, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4RXTRUNC] = { 32, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4RXFRAGS] = { 40, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4RXMCOCTS] = { 48, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4RXMCPKTS] = { 56, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6RXOCTS] = { 64, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6RXPKTS] = { 72, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6RXDISCARD] = { 80, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6RXTRUNC] = { 88, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6RXFRAGS] = { 96, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6RXMCOCTS] = { 104, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6RXMCPKTS] = { 112, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4TXOCTS] = { 120, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4TXPKTS] = { 128, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4TXFRAGS] = { 136, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4TXMCOCTS] = { 144, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4TXMCPKTS] = { 152, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6TXOCTS] = { 160, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6TXPKTS] = { 168, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6TXFRAGS] = { 176, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6TXMCOCTS] = { 184, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6TXMCPKTS] = { 192, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP4TXNOROUTE] = { 200, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_IP6TXNOROUTE] = { 208, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_TCPRTXSEG] = { 216, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_TCPRXOPTERR] = { 224, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_TCPRXPROTOERR] = { 232, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_TCPTXSEG] = { 240, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_TCPRXSEGS] = { 248, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_UDPRXPKTS] = { 256, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_UDPTXPKTS] = { 264, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMARXWRS] = { 272, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMARXRDS] = { 280, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMARXSNDS] = { 288, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMATXWRS] = { 296, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMATXRDS] = { 304, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMATXSNDS] = { 312, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMAVBND] = { 320, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMAVINV] = { 328, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RXNPECNMARKEDPKTS] = { 336, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RXRPCNPHANDLED] = { 344, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RXRPCNPIGNORED] = { 352, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_TXNPCNPSENT] = { 360, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RNR_SENT] = { 368, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RNR_RCVD] = { 376, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMAORDLMTCNT] = { 384, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMAIRDLMTCNT] = { 392, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMARXATS] = { 408, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RDMATXATS] = { 416, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_NAKSEQERR] = { 424, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_NAKSEQERR_IMPLIED] = { 432, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RTO] = { 440, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_RXOOOPKTS] = { 448, 0, 0 }, |
| [IRDMA_HW_STAT_INDEX_ICRCERR] = { 456, 0, 0 }, |
| }; |
| |
| void ig3rdma_init_hw(struct irdma_sc_dev *dev) |
| { |
| dev->irq_ops = &ig3rdma_irq_ops; |
| dev->hw_stats_map = ig3rdma_hw_stat_map; |
| |
| dev->hw_attrs.uk_attrs.hw_rev = IRDMA_GEN_3; |
| dev->hw_attrs.uk_attrs.max_hw_wq_frags = IG3RDMA_MAX_WQ_FRAGMENT_COUNT; |
| dev->hw_attrs.uk_attrs.max_hw_read_sges = IG3RDMA_MAX_SGE_RD; |
| dev->hw_attrs.uk_attrs.max_hw_sq_chunk = IRDMA_MAX_QUANTA_PER_WR; |
| dev->hw_attrs.first_hw_vf_fpm_id = 0; |
| dev->hw_attrs.max_hw_vf_fpm_id = IG3_MAX_APFS + IG3_MAX_AVFS; |
| dev->hw_attrs.uk_attrs.feature_flags |= IRDMA_FEATURE_64_BYTE_CQE; |
| dev->hw_attrs.uk_attrs.feature_flags |= IRDMA_FEATURE_CQE_TIMESTAMPING; |
| |
| dev->hw_attrs.uk_attrs.feature_flags |= IRDMA_FEATURE_SRQ; |
| dev->hw_attrs.uk_attrs.feature_flags |= IRDMA_FEATURE_RTS_AE | |
| IRDMA_FEATURE_CQ_RESIZE; |
| dev->hw_attrs.page_size_cap = SZ_4K | SZ_2M | SZ_1G; |
| dev->hw_attrs.max_hw_ird = IG3RDMA_MAX_IRD_SIZE; |
| dev->hw_attrs.max_hw_ord = IG3RDMA_MAX_ORD_SIZE; |
| dev->hw_attrs.max_stat_inst = IG3RDMA_MAX_STATS_COUNT; |
| dev->hw_attrs.max_stat_idx = IRDMA_HW_STAT_INDEX_MAX_GEN_3; |
| dev->hw_attrs.uk_attrs.min_hw_wq_size = IG3RDMA_MIN_WQ_SIZE; |
| dev->hw_attrs.uk_attrs.max_hw_srq_quanta = IRDMA_SRQ_MAX_QUANTA; |
| dev->hw_attrs.uk_attrs.max_hw_inline = IG3RDMA_MAX_INLINE_DATA_SIZE; |
| dev->hw_attrs.max_hw_device_pages = |
| dev->is_pf ? IG3RDMA_MAX_PF_PUSH_PAGE_COUNT : IG3RDMA_MAX_VF_PUSH_PAGE_COUNT; |
| } |
| |
| static void __iomem *__ig3rdma_get_reg_addr(struct irdma_mmio_region *region, u64 reg_offset) |
| { |
| if (reg_offset >= region->offset && |
| reg_offset < (region->offset + region->len)) { |
| reg_offset -= region->offset; |
| |
| return region->addr + reg_offset; |
| } |
| |
| return NULL; |
| } |
| |
| void __iomem *ig3rdma_get_reg_addr(struct irdma_hw *hw, u64 reg_offset) |
| { |
| u8 __iomem *reg_addr; |
| int i; |
| |
| reg_addr = __ig3rdma_get_reg_addr(&hw->rdma_reg, reg_offset); |
| if (reg_addr) |
| return reg_addr; |
| |
| for (i = 0; i < hw->num_io_regions; i++) { |
| reg_addr = __ig3rdma_get_reg_addr(&hw->io_regs[i], reg_offset); |
| if (reg_addr) |
| return reg_addr; |
| } |
| |
| WARN_ON_ONCE(1); |
| |
| return NULL; |
| } |
