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Commit 2b827ea1 authored by Selvin Xavier's avatar Selvin Xavier Committed by Jason Gunthorpe
Browse files

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: default avatarSelvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 8036e90f

drivers/infiniband/hw/bnxt_re/main.c

+31 −0
Original line number Diff line number Diff line
@@ -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

	 */

drivers/infiniband/hw/bnxt_re/qplib_res.h

+1 −0
Original line number Diff line number Diff line
@@ -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 {