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authorSelvin Xavier <selvin.xavier@broadcom.com>2023-06-13 11:12:20 -0700
committerJason Gunthorpe <jgg@nvidia.com>2023-06-21 14:13:17 -0300
commitba75fe7b500e71aff8bc3b7096c4ce1dcc649eb3 (patch)
tree078b4202a8aaa12c58063cf6e1a3f0ac2dba7ed2 /drivers/infiniband
parent7d3115eba3e3eef6e0cbe65f05285c5ab28360d7 (diff)
RDMA/bnxt_re: Query function capabilities from firmware
Query Function capabilities to enable advanced features. Link: https://lore.kernel.org/r/1686679943-17117-5-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/bnxt_re/main.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index 1b16c4289147..247f724cd347 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -83,6 +83,7 @@ static int bnxt_re_netdev_event(struct notifier_block *notifier,
unsigned long event, void *ptr);
static struct bnxt_re_dev *bnxt_re_from_netdev(struct net_device *netdev);
static void bnxt_re_dev_uninit(struct bnxt_re_dev *rdev);
+static int bnxt_re_hwrm_qcaps(struct bnxt_re_dev *rdev);
static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev, u8 mode)
{
@@ -91,6 +92,9 @@ static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev, u8 mode)
cctx = rdev->chip_ctx;
cctx->modes.wqe_mode = bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
mode : BNXT_QPLIB_WQE_MODE_STATIC;
+ if (bnxt_re_hwrm_qcaps(rdev))
+ dev_err(rdev_to_dev(rdev),
+ "Failed to query hwrm qcaps\n");
}
static void bnxt_re_destroy_chip_ctx(struct bnxt_re_dev *rdev)
@@ -339,6 +343,23 @@ static void bnxt_re_fill_fw_msg(struct bnxt_fw_msg *fw_msg, void *msg,
fw_msg->timeout = timeout;
}
+/* Query function capabilities using common hwrm */
+int bnxt_re_hwrm_qcaps(struct bnxt_re_dev *rdev)
+{
+ struct bnxt_en_dev *en_dev = rdev->en_dev;
+ struct hwrm_func_qcaps_output resp = {};
+ struct hwrm_func_qcaps_input req = {};
+ struct bnxt_qplib_chip_ctx *cctx;
+ struct bnxt_fw_msg fw_msg = {};
+
+ cctx = rdev->chip_ctx;
+ bnxt_re_init_hwrm_hdr((void *)&req, HWRM_FUNC_QCAPS);
+ req.fid = cpu_to_le16(0xffff);
+ bnxt_re_fill_fw_msg(&fw_msg, (void *)&req, sizeof(req), (void *)&resp,
+ sizeof(resp), DFLT_HWRM_CMD_TIMEOUT);
+ return bnxt_send_msg(en_dev, &fw_msg);
+}
+
static int bnxt_re_net_ring_free(struct bnxt_re_dev *rdev,
u16 fw_ring_id, int type)
{