From: Selvin Xavier <selvin.xavier@broadcom.com>
Date: Wed, 12 Dec 2018 01:56:23 -0800
Subject: RDMA/bnxt_re: Query HWRM Interface version from FW
Patch-mainline: v5.0-rc1
Git-commit: 2b827ea1926b5ad7ac3e9ba8651ff99181d6c7f9
References: bsc#1125239
Get HWRM interface major, minor, build and patch version from FW for
checking the FW/Driver compatibility.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/bnxt_re/main.c | 31 ++++++++++++++++++++++++++++++
drivers/infiniband/hw/bnxt_re/qplib_res.h | 1
2 files changed, 32 insertions(+)
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -1203,6 +1203,35 @@ static int bnxt_re_setup_qos(struct bnxt
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;
@@ -1285,6 +1314,8 @@ static int bnxt_re_ib_reg(struct bnxt_re
}
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
*/
--- 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 {