diff options
Diffstat (limited to 'drivers/infiniband/hw/irdma/icrdma_hw.c')
| -rw-r--r-- | drivers/infiniband/hw/irdma/icrdma_hw.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/irdma/icrdma_hw.c b/drivers/infiniband/hw/irdma/icrdma_hw.c new file mode 100644 index 0000000000..10ccf4bc3f --- /dev/null +++ b/drivers/infiniband/hw/irdma/icrdma_hw.c @@ -0,0 +1,202 @@ +// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +/* Copyright (c) 2017 - 2021 Intel Corporation */ +#include "osdep.h" +#include "type.h" +#include "icrdma_hw.h" + +static u32 icrdma_regs[IRDMA_MAX_REGS] = { + PFPE_CQPTAIL, + PFPE_CQPDB, + PFPE_CCQPSTATUS, + PFPE_CCQPHIGH, + PFPE_CCQPLOW, + PFPE_CQARM, + PFPE_CQACK, + PFPE_AEQALLOC, + PFPE_CQPERRCODES, + PFPE_WQEALLOC, + GLINT_DYN_CTL(0), + ICRDMA_DB_ADDR_OFFSET, + + GLPCI_LBARCTRL, + GLPE_CPUSTATUS0, + GLPE_CPUSTATUS1, + GLPE_CPUSTATUS2, + PFINT_AEQCTL, + GLINT_CEQCTL(0), + VSIQF_PE_CTL1(0), + PFHMC_PDINV, + GLHMC_VFPDINV(0), + GLPE_CRITERR, + GLINT_RATE(0), +}; + +static u64 icrdma_masks[IRDMA_MAX_MASKS] = { + ICRDMA_CCQPSTATUS_CCQP_DONE, + ICRDMA_CCQPSTATUS_CCQP_ERR, + ICRDMA_CQPSQ_STAG_PDID, + ICRDMA_CQPSQ_CQ_CEQID, + ICRDMA_CQPSQ_CQ_CQID, + ICRDMA_COMMIT_FPM_CQCNT, +}; + +static u64 icrdma_shifts[IRDMA_MAX_SHIFTS] = { + ICRDMA_CCQPSTATUS_CCQP_DONE_S, + ICRDMA_CCQPSTATUS_CCQP_ERR_S, + ICRDMA_CQPSQ_STAG_PDID_S, + ICRDMA_CQPSQ_CQ_CEQID_S, + ICRDMA_CQPSQ_CQ_CQID_S, + ICRDMA_COMMIT_FPM_CQCNT_S, +}; + +/** + * icrdma_ena_irq - Enable interrupt + * @dev: pointer to the device structure + * @idx: vector index + */ +static void icrdma_ena_irq(struct irdma_sc_dev *dev, u32 idx) +{ + u32 val; + u32 interval = 0; + + if (dev->ceq_itr && dev->aeq->msix_idx != idx) + interval = dev->ceq_itr >> 1; /* 2 usec units */ + val = FIELD_PREP(IRDMA_GLINT_DYN_CTL_ITR_INDX, 0) | + FIELD_PREP(IRDMA_GLINT_DYN_CTL_INTERVAL, interval) | + FIELD_PREP(IRDMA_GLINT_DYN_CTL_INTENA, 1) | + FIELD_PREP(IRDMA_GLINT_DYN_CTL_CLEARPBA, 1); + + if (dev->hw_attrs.uk_attrs.hw_rev != IRDMA_GEN_1) + writel(val, dev->hw_regs[IRDMA_GLINT_DYN_CTL] + idx); + else + writel(val, dev->hw_regs[IRDMA_GLINT_DYN_CTL] + (idx - 1)); +} + +/** + * icrdma_disable_irq - Disable interrupt + * @dev: pointer to the device structure + * @idx: vector index + */ +static void icrdma_disable_irq(struct irdma_sc_dev *dev, u32 idx) +{ + if (dev->hw_attrs.uk_attrs.hw_rev != IRDMA_GEN_1) + writel(0, dev->hw_regs[IRDMA_GLINT_DYN_CTL] + idx); + else + writel(0, dev->hw_regs[IRDMA_GLINT_DYN_CTL] + (idx - 1)); +} + +/** + * icrdma_cfg_ceq- Configure CEQ interrupt + * @dev: pointer to the device structure + * @ceq_id: Completion Event Queue ID + * @idx: vector index + * @enable: True to enable, False disables + */ +static void icrdma_cfg_ceq(struct irdma_sc_dev *dev, u32 ceq_id, u32 idx, + bool enable) +{ + u32 reg_val; + + reg_val = FIELD_PREP(IRDMA_GLINT_CEQCTL_CAUSE_ENA, enable) | + FIELD_PREP(IRDMA_GLINT_CEQCTL_MSIX_INDX, idx) | + FIELD_PREP(IRDMA_GLINT_CEQCTL_ITR_INDX, 3); + + writel(reg_val, dev->hw_regs[IRDMA_GLINT_CEQCTL] + ceq_id); +} + +static const struct irdma_irq_ops icrdma_irq_ops = { + .irdma_cfg_aeq = irdma_cfg_aeq, + .irdma_cfg_ceq = icrdma_cfg_ceq, + .irdma_dis_irq = icrdma_disable_irq, + .irdma_en_irq = icrdma_ena_irq, +}; + +static const struct irdma_hw_stat_map icrdma_hw_stat_map[] = { + [IRDMA_HW_STAT_INDEX_RXVLANERR] = { 0, 32, IRDMA_MAX_STATS_24 }, + [IRDMA_HW_STAT_INDEX_IP4RXOCTS] = { 8, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP4RXPKTS] = { 16, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP4RXDISCARD] = { 24, 32, IRDMA_MAX_STATS_32 }, + [IRDMA_HW_STAT_INDEX_IP4RXTRUNC] = { 24, 0, IRDMA_MAX_STATS_32 }, + [IRDMA_HW_STAT_INDEX_IP4RXFRAGS] = { 32, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP4RXMCOCTS] = { 40, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP4RXMCPKTS] = { 48, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP6RXOCTS] = { 56, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP6RXPKTS] = { 64, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP6RXDISCARD] = { 72, 32, IRDMA_MAX_STATS_32 }, + [IRDMA_HW_STAT_INDEX_IP6RXTRUNC] = { 72, 0, IRDMA_MAX_STATS_32 }, + [IRDMA_HW_STAT_INDEX_IP6RXFRAGS] = { 80, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP6RXMCOCTS] = { 88, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP6RXMCPKTS] = { 96, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP4TXOCTS] = { 104, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP4TXPKTS] = { 112, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP4TXFRAGS] = { 120, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP4TXMCOCTS] = { 128, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP4TXMCPKTS] = { 136, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP6TXOCTS] = { 144, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP6TXPKTS] = { 152, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP6TXFRAGS] = { 160, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP6TXMCOCTS] = { 168, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP6TXMCPKTS] = { 176, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_IP4TXNOROUTE] = { 184, 32, IRDMA_MAX_STATS_24 }, + [IRDMA_HW_STAT_INDEX_IP6TXNOROUTE] = { 184, 0, IRDMA_MAX_STATS_24 }, + [IRDMA_HW_STAT_INDEX_TCPRXSEGS] = { 192, 32, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_TCPRXOPTERR] = { 200, 32, IRDMA_MAX_STATS_24 }, + [IRDMA_HW_STAT_INDEX_TCPRXPROTOERR] = { 200, 0, IRDMA_MAX_STATS_24 }, + [IRDMA_HW_STAT_INDEX_TCPTXSEG] = { 208, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_TCPRTXSEG] = { 216, 32, IRDMA_MAX_STATS_32 }, + [IRDMA_HW_STAT_INDEX_UDPRXPKTS] = { 224, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_UDPTXPKTS] = { 232, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_RDMARXWRS] = { 240, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_RDMARXRDS] = { 248, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_RDMARXSNDS] = { 256, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_RDMATXWRS] = { 264, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_RDMATXRDS] = { 272, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_RDMATXSNDS] = { 280, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_RDMAVBND] = { 288, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_RDMAVINV] = { 296, 0, IRDMA_MAX_STATS_48 }, + [IRDMA_HW_STAT_INDEX_RXNPECNMARKEDPKTS] = { 304, 0, IRDMA_MAX_STATS_56 }, + [IRDMA_HW_STAT_INDEX_RXRPCNPIGNORED] = { 312, 32, IRDMA_MAX_STATS_24 }, + [IRDMA_HW_STAT_INDEX_RXRPCNPHANDLED] = { 312, 0, IRDMA_MAX_STATS_32 }, + [IRDMA_HW_STAT_INDEX_TXNPCNPSENT] = { 320, 0, IRDMA_MAX_STATS_32 }, +}; + +void icrdma_init_hw(struct irdma_sc_dev *dev) +{ + int i; + u8 __iomem *hw_addr; + + for (i = 0; i < IRDMA_MAX_REGS; ++i) { + hw_addr = dev->hw->hw_addr; + + if (i == IRDMA_DB_ADDR_OFFSET) + hw_addr = NULL; + + dev->hw_regs[i] = (u32 __iomem *)(hw_addr + icrdma_regs[i]); + } + dev->hw_attrs.max_hw_vf_fpm_id = IRDMA_MAX_VF_FPM_ID; + dev->hw_attrs.first_hw_vf_fpm_id = IRDMA_FIRST_VF_FPM_ID; + + for (i = 0; i < IRDMA_MAX_SHIFTS; ++i) + dev->hw_shifts[i] = icrdma_shifts[i]; + + for (i = 0; i < IRDMA_MAX_MASKS; ++i) + dev->hw_masks[i] = icrdma_masks[i]; + + dev->wqe_alloc_db = dev->hw_regs[IRDMA_WQEALLOC]; + dev->cq_arm_db = dev->hw_regs[IRDMA_CQARM]; + dev->aeq_alloc_db = dev->hw_regs[IRDMA_AEQALLOC]; + dev->cqp_db = dev->hw_regs[IRDMA_CQPDB]; + dev->cq_ack_db = dev->hw_regs[IRDMA_CQACK]; + dev->irq_ops = &icrdma_irq_ops; + dev->hw_attrs.page_size_cap = SZ_4K | SZ_2M | SZ_1G; + dev->hw_stats_map = icrdma_hw_stat_map; + dev->hw_attrs.max_hw_ird = ICRDMA_MAX_IRD_SIZE; + dev->hw_attrs.max_hw_ord = ICRDMA_MAX_ORD_SIZE; + dev->hw_attrs.max_stat_inst = ICRDMA_MAX_STATS_COUNT; + dev->hw_attrs.max_stat_idx = IRDMA_HW_STAT_INDEX_MAX_GEN_2; + + dev->hw_attrs.uk_attrs.min_hw_wq_size = ICRDMA_MIN_WQ_SIZE; + dev->hw_attrs.uk_attrs.max_hw_sq_chunk = IRDMA_MAX_QUANTA_PER_WR; + dev->hw_attrs.uk_attrs.feature_flags |= IRDMA_FEATURE_RTS_AE | + IRDMA_FEATURE_CQ_RESIZE; +} |