diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h index 31baa8939a4f..e55a1666c0cd 100644 --- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h +++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h @@ -124,6 +124,7 @@ struct bnxt_re_dev { #define BNXT_RE_FLAG_ISSUE_ROCE_STATS 29 struct net_device *netdev; unsigned int version, major, minor; + struct bnxt_qplib_chip_ctx chip_ctx; struct bnxt_en_dev *en_dev; struct bnxt_msix_entry msix_entries[BNXT_RE_MAX_MSIX]; int num_msix; diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 08777506d0b1..60b5c4876354 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -80,6 +80,29 @@ static DEFINE_MUTEX(bnxt_re_dev_lock); static struct workqueue_struct *bnxt_re_wq; static void bnxt_re_ib_unreg(struct bnxt_re_dev *rdev); +static void bnxt_re_destroy_chip_ctx(struct bnxt_re_dev *rdev) +{ + rdev->rcfw.res = NULL; + rdev->qplib_res.cctx = NULL; +} + +static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev) +{ + struct bnxt_en_dev *en_dev; + struct bnxt *bp; + + en_dev = rdev->en_dev; + bp = netdev_priv(en_dev->net); + + rdev->chip_ctx.chip_num = bp->chip_num; + /* rest members to follow eventually */ + + rdev->qplib_res.cctx = &rdev->chip_ctx; + rdev->rcfw.res = &rdev->qplib_res; + + return 0; +} + /* SR-IOV helper functions */ static void bnxt_re_get_sriov_func_type(struct bnxt_re_dev *rdev) @@ -278,6 +301,7 @@ static int bnxt_re_register_netdev(struct bnxt_re_dev *rdev) rc = en_dev->en_ops->bnxt_register_device(en_dev, BNXT_ROCE_ULP, &bnxt_re_ulp_ops, rdev); + rdev->qplib_res.pdev = rdev->en_dev->pdev; return rc; } @@ -905,6 +929,7 @@ static void bnxt_re_free_nq_res(struct bnxt_re_dev *rdev) int i; for (i = 0; i < rdev->num_msix - 1; i++) { + rdev->nq[i].res = NULL; bnxt_re_net_ring_free(rdev, rdev->nq[i].ring_id); bnxt_qplib_free_nq(&rdev->nq[i]); } @@ -949,6 +974,7 @@ static int bnxt_re_alloc_res(struct bnxt_re_dev *rdev) goto dealloc_res; for (i = 0; i < rdev->num_msix - 1; i++) { + rdev->nq[i].res = &rdev->qplib_res; rdev->nq[i].hwq.max_elements = BNXT_RE_MAX_CQ_COUNT + BNXT_RE_MAX_SRQC_COUNT + 2; rc = bnxt_qplib_alloc_nq(rdev->en_dev->pdev, &rdev->nq[i]); @@ -1262,6 +1288,8 @@ static void bnxt_re_ib_unreg(struct bnxt_re_dev *rdev) dev_warn(rdev_to_dev(rdev), "Failed to free MSI-X vectors: %#x", rc); } + + bnxt_re_destroy_chip_ctx(rdev); if (test_and_clear_bit(BNXT_RE_FLAG_NETDEV_REGISTERED, &rdev->flags)) { rc = bnxt_re_unregister_netdev(rdev); if (rc) @@ -1299,6 +1327,12 @@ static int bnxt_re_ib_reg(struct bnxt_re_dev *rdev) } set_bit(BNXT_RE_FLAG_NETDEV_REGISTERED, &rdev->flags); + rc = bnxt_re_setup_chip_ctx(rdev); + if (rc) { + dev_err(rdev_to_dev(rdev), "Failed to get chip context\n"); + return -EINVAL; + } + /* Check whether VF or PF */ bnxt_re_get_sriov_func_type(rdev); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index 72352ca80ace..f317bae36dd0 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -439,6 +439,7 @@ struct bnxt_qplib_cq { struct bnxt_qplib_nq { struct pci_dev *pdev; + struct bnxt_qplib_res *res; int vector; cpumask_t mask; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h index be0ef0e8c53e..8011d674391e 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h @@ -187,6 +187,7 @@ struct bnxt_qplib_qp_node { /* RCFW Communication Channels */ struct bnxt_qplib_rcfw { struct pci_dev *pdev; + struct bnxt_qplib_res *res; int vector; struct tasklet_struct worker; bool requested; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index 1e80aa7bbcce..6a0c45827053 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -180,12 +180,20 @@ struct bnxt_qplib_ctx { u64 hwrm_intf_ver; }; +struct bnxt_qplib_chip_ctx { + u16 chip_num; + u8 chip_rev; + u8 chip_metal; +}; + +#define CHIP_NUM_57500 0x1750 + struct bnxt_qplib_res { struct pci_dev *pdev; + struct bnxt_qplib_chip_ctx *cctx; struct net_device *netdev; struct bnxt_qplib_rcfw *rcfw; - struct bnxt_qplib_pd_tbl pd_tbl; struct bnxt_qplib_sgid_tbl sgid_tbl; struct bnxt_qplib_pkey_tbl pkey_tbl; @@ -193,6 +201,11 @@ struct bnxt_qplib_res { bool prio; }; +static inline bool bnxt_qplib_is_chip_gen_p5(struct bnxt_qplib_chip_ctx *cctx) +{ + return (cctx->chip_num == CHIP_NUM_57500); +} + #define to_bnxt_qplib(ptr, type, member) \ container_of(ptr, type, member)