From 2b827ea1926b5ad7ac3e9ba8651ff99181d6c7f9 Mon Sep 17 00:00:00 2001 From: Selvin Xavier Date: Wed, 12 Dec 2018 01:56:23 -0800 Subject: [PATCH] RDMA/bnxt_re: Query HWRM Interface version from FW Get HWRM interface major, minor, build and patch version from FW for checking the FW/Driver compatibility. Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/bnxt_re/main.c | 31 +++++++++++++++++++++++++++++++ drivers/infiniband/hw/bnxt_re/qplib_res.h | 1 + 2 files changed, 32 insertions(+) diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 31cbef5..1d18b77 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -1197,6 +1197,35 @@ static int bnxt_re_setup_qos(struct bnxt_re_dev *rdev) return 0; } +static void bnxt_re_query_hwrm_intf_version(struct bnxt_re_dev *rdev) +{ + struct bnxt_en_dev *en_dev = rdev->en_dev; + struct hwrm_ver_get_output resp = {0}; + struct hwrm_ver_get_input req = {0}; + struct bnxt_fw_msg fw_msg; + int rc = 0; + + memset(&fw_msg, 0, sizeof(fw_msg)); + bnxt_re_init_hwrm_hdr(rdev, (void *)&req, + HWRM_VER_GET, -1, -1); + req.hwrm_intf_maj = HWRM_VERSION_MAJOR; + req.hwrm_intf_min = HWRM_VERSION_MINOR; + req.hwrm_intf_upd = HWRM_VERSION_UPDATE; + bnxt_re_fill_fw_msg(&fw_msg, (void *)&req, sizeof(req), (void *)&resp, + sizeof(resp), DFLT_HWRM_CMD_TIMEOUT); + rc = en_dev->en_ops->bnxt_send_fw_msg(en_dev, BNXT_ROCE_ULP, &fw_msg); + if (rc) { + dev_err(rdev_to_dev(rdev), + "Failed to query HW version, rc = 0x%x", rc); + return; + } + rdev->qplib_ctx.hwrm_intf_ver = + (u64)resp.hwrm_intf_major << 48 | + (u64)resp.hwrm_intf_minor << 32 | + (u64)resp.hwrm_intf_build << 16 | + resp.hwrm_intf_patch; +} + static void bnxt_re_ib_unreg(struct bnxt_re_dev *rdev) { int rc; @@ -1279,6 +1308,8 @@ static int bnxt_re_ib_reg(struct bnxt_re_dev *rdev) } set_bit(BNXT_RE_FLAG_GOT_MSIX, &rdev->flags); + bnxt_re_query_hwrm_intf_version(rdev); + /* Establish RCFW Communication Channel to initialize the context * memory for the function and all child VFs */ diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index 2e5c052..1e80aa7 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -177,6 +177,7 @@ struct bnxt_qplib_ctx { struct bnxt_qplib_hwq tqm_tbl[MAX_TQM_ALLOC_REQ]; struct bnxt_qplib_stats stats; struct bnxt_qplib_vf_res vf_res; + u64 hwrm_intf_ver; }; struct bnxt_qplib_res { -- 2.7.4