ocrdma driver selects execution path based on sli_family and asic generation number. this introduces reading asic gen number from pci register instead of obtining from emulex NIC driver.
Signed-off-by: Devesh Sharma <[email protected]> Signed-off-by: Selvin Xavier <[email protected]> --- drivers/infiniband/hw/ocrdma/ocrdma.h | 13 +++++++++++++ drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 6 +++--- drivers/infiniband/hw/ocrdma/ocrdma_main.c | 2 +- drivers/infiniband/hw/ocrdma/ocrdma_sli.h | 17 +++++++++++++++-- drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 6 +++--- 5 files changed, 35 insertions(+), 9 deletions(-) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h index 1b51e67..24fe248 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma.h @@ -197,6 +197,7 @@ struct ocrdma_dev { int id; struct ocrdma_mr *stag_arr[OCRDMA_MAX_STAG]; u16 pvid; + u32 asic_id; }; struct ocrdma_cq { @@ -443,4 +444,16 @@ static inline int ocrdma_get_eq_table_index(struct ocrdma_dev *dev, return -EINVAL; } +static inline u8 ocrdma_get_asic_type(struct ocrdma_dev *dev) +{ + if (dev->nic_info.dev_family == 0xF && !dev->asic_id) { + pci_read_config_dword( + dev->nic_info.pdev, + OCRDMA_SLI_ASIC_ID_OFFSET, &dev->asic_id); + } + + return (dev->asic_id & OCRDMA_SLI_ASIC_GEN_NUM_MASK) >> + OCRDMA_SLI_ASIC_GEN_NUM_SHIFT; +} + #endif diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 7b4688e..15d1ab1 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -1037,7 +1037,7 @@ static void ocrdma_get_attr(struct ocrdma_dev *dev, attr->max_inline_data = attr->wqe_size - (sizeof(struct ocrdma_hdr_wqe) + sizeof(struct ocrdma_sge)); - if (dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) { + if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) { attr->ird = 1; attr->ird_page_size = OCRDMA_MIN_Q_PAGE_SIZE; attr->num_ird_pages = MAX_OCRDMA_IRD_PAGES; @@ -1379,7 +1379,7 @@ int ocrdma_mbx_create_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq, __func__, dev->id, dev->attr.max_cqe, entries); return -EINVAL; } - if (dpp_cq && (dev->nic_info.dev_family != OCRDMA_GEN2_FAMILY)) + if (dpp_cq && (ocrdma_get_asic_type(dev) != OCRDMA_ASIC_GEN_SKH_R)) return -EINVAL; if (dpp_cq) { @@ -1439,7 +1439,7 @@ int ocrdma_mbx_create_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq, } /* shared eq between all the consumer cqs. */ cmd->cmd.eqn = cq->eqn; - if (dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) { + if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) { if (dpp_cq) cmd->cmd.pgsz_pgcnt |= OCRDMA_CREATE_CQ_DPP << OCRDMA_CREATE_CQ_TYPE_SHIFT; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 2ca86ca..4243566 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -286,7 +286,7 @@ static int ocrdma_register_device(struct ocrdma_dev *dev) dev->ibdev.process_mad = ocrdma_process_mad; - if (dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) { + if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) { dev->ibdev.uverbs_cmd_mask |= OCRDMA_UVERBS(CREATE_SRQ) | OCRDMA_UVERBS(MODIFY_SRQ) | diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h index e71685a..de4ebfc 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h @@ -30,8 +30,16 @@ #define Bit(_b) (1 << (_b)) -#define OCRDMA_GEN1_FAMILY 0xB -#define OCRDMA_GEN2_FAMILY 0x0F +enum { + OCRDMA_ASIC_GEN_SKH_R = 0x04, + OCRDMA_ASIC_GEN_LANCER = 0x0B +}; + +enum { + OCRDMA_ASIC_REV_A0 = 0x00, + OCRDMA_ASIC_REV_B0 = 0x10, + OCRDMA_ASIC_REV_C0 = 0x20 +}; #define OCRDMA_SUBSYS_ROCE 10 enum { @@ -141,6 +149,11 @@ enum { #define OCRDMA_MIN_Q_PAGE_SIZE (4096) #define OCRDMA_MAX_Q_PAGES (8) +#define OCRDMA_SLI_ASIC_ID_OFFSET 0x9C +#define OCRDMA_SLI_ASIC_REV_MASK 0x000000FF +#define OCRDMA_SLI_ASIC_GEN_NUM_MASK 0x0000FF00 +#define OCRDMA_SLI_ASIC_GEN_NUM_SHIFT 0x08 + /* # 0: 4K Bytes # 1: 8K Bytes diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index ead59d5..ef4e92e 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -267,7 +267,7 @@ static struct ocrdma_pd *_ocrdma_alloc_pd(struct ocrdma_dev *dev, if (udata && uctx) { pd->dpp_enabled = - dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY; + ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R; pd->num_dpp_qp = pd->dpp_enabled ? OCRDMA_PD_MAX_DPP_ENABLED_QP : 0; } @@ -1161,7 +1161,7 @@ err: static void ocrdma_set_qp_db(struct ocrdma_dev *dev, struct ocrdma_qp *qp, struct ocrdma_pd *pd) { - if (dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) { + if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) { qp->sq_db = dev->nic_info.db + (pd->id * dev->nic_info.db_page_size) + OCRDMA_DB_GEN2_SQ_OFFSET; @@ -1688,7 +1688,7 @@ static int ocrdma_copy_srq_uresp(struct ocrdma_dev *dev, struct ocrdma_srq *srq, (srq->pd->id * dev->nic_info.db_page_size); uresp.db_page_size = dev->nic_info.db_page_size; uresp.num_rqe_allocated = srq->rq.max_cnt; - if (dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) { + if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) { uresp.db_rq_offset = OCRDMA_DB_GEN2_RQ_OFFSET; uresp.db_shift = 24; } else { -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
