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RDMA/bnxt_re: Query function capabilities from firmware

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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>
This commit is contained in:
Selvin Xavier
2023-06-13 11:12:20 -07:00
committed by Jason Gunthorpe
parent 7d3115eba3
commit ba75fe7b50
1 changed files with 21 additions and 0 deletions
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21
drivers/infiniband/hw/bnxt_re/main.c
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@@ -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)
{