Commit 72d0b87e authored by Anantha Prabhu's avatar Anantha Prabhu Committed by Leon Romanovsky
Browse files

RDMA/bnxt_re: Update sysfs entries with appropriate data 



Updated the existing sysfs entries with correct data.
This change is to align the behavior with our OOB driver.
Added "board_id" sysfs entry which will provide the
VPD Part number, if exists.

Signed-off-by: default avatarAnantha Prabhu <anantha.prabhu@broadcom.com>
Signed-off-by: default avatarSaravanan Vajravel <saravanan.vajravel@broadcom.com>
Signed-off-by: default avatarKalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20250908094516.18222-2-kalesh-anakkur.purayil@broadcom.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 6603fbf1

drivers/infiniband/hw/bnxt_re/bnxt_re.h

+2 −0
Original line number Diff line number Diff line
@@ -228,6 +228,8 @@ struct bnxt_re_dev { 
	struct workqueue_struct		*dcb_wq;

	struct dentry                   *cc_config;

	struct bnxt_re_dbg_cc_config_params *cc_config_params;

#define BNXT_VPD_FLD_LEN		32

	char board_partno[BNXT_VPD_FLD_LEN];

	/* RoCE mirror */

	u16 mirror_vnic_id;

	union ib_gid ugid;

drivers/infiniband/hw/bnxt_re/main.c

+48 −2
Original line number Diff line number Diff line
@@ -1031,7 +1031,7 @@ static ssize_t hw_rev_show(struct device *device, struct device_attribute *attr, 
	struct bnxt_re_dev *rdev =

		rdma_device_to_drv_device(device, struct bnxt_re_dev, ibdev);



	return sysfs_emit(buf, "0x%x\n", rdev->en_dev->pdev->vendor);

	return sysfs_emit(buf, "0x%x\n", rdev->en_dev->pdev->revision);

}

static DEVICE_ATTR_RO(hw_rev);
@@ -1041,13 +1041,31 @@ static ssize_t hca_type_show(struct device *device, 
	struct bnxt_re_dev *rdev =

		rdma_device_to_drv_device(device, struct bnxt_re_dev, ibdev);



	return sysfs_emit(buf, "%s\n", rdev->ibdev.node_desc);

	return sysfs_emit(buf, "0x%x\n", rdev->en_dev->pdev->device);

}

static DEVICE_ATTR_RO(hca_type);



static ssize_t board_id_show(struct device *device, struct device_attribute *attr,

			     char *buf)

{

	struct bnxt_re_dev *rdev = rdma_device_to_drv_device(device,

							     struct bnxt_re_dev, ibdev);

	char buffer[BNXT_VPD_FLD_LEN] = {};



	if (!rdev->is_virtfn)

		memcpy(buffer, rdev->board_partno, BNXT_VPD_FLD_LEN - 1);

	else

		scnprintf(buffer, BNXT_VPD_FLD_LEN, "0x%x-VF",

			  rdev->en_dev->pdev->device);



	return sysfs_emit(buf, "%s\n", buffer);

}

static DEVICE_ATTR_RO(board_id);



static struct attribute *bnxt_re_attributes[] = {

	&dev_attr_hw_rev.attr,

	&dev_attr_hca_type.attr,

	&dev_attr_board_id.attr,

	NULL

};
@@ -2004,6 +2022,31 @@ static void bnxt_re_net_register_async_event(struct bnxt_re_dev *rdev) 
				   ASYNC_EVENT_CMPL_EVENT_ID_DCB_CONFIG_CHANGE);

}



static void bnxt_re_read_vpd_info(struct bnxt_re_dev *rdev)

{

	struct pci_dev *pdev = rdev->en_dev->pdev;

	unsigned int vpd_size, kw_len;

	int pos, size;

	u8 *vpd_data;



	vpd_data = pci_vpd_alloc(pdev, &vpd_size);

	if (IS_ERR(vpd_data)) {

		pci_warn(pdev, "Unable to read VPD, err=%ld\n",

			 PTR_ERR(vpd_data));

		return;

	}



	pos = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size,

					   PCI_VPD_RO_KEYWORD_PARTNO, &kw_len);

	if (pos < 0)

		goto free;



	size = min_t(int, kw_len, BNXT_VPD_FLD_LEN - 1);

	memcpy(rdev->board_partno, &vpd_data[pos], size);

free:

	kfree(vpd_data);

}



static int bnxt_re_query_hwrm_intf_version(struct bnxt_re_dev *rdev)

{

	struct bnxt_en_dev *en_dev = rdev->en_dev;
@@ -2377,6 +2420,9 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 op_type) 
	bnxt_re_init_dcb_wq(rdev);

	bnxt_re_net_register_async_event(rdev);



	if (!rdev->is_virtfn)

		bnxt_re_read_vpd_info(rdev);



	rc = bnxt_re_get_stats3_ctx(rdev);

	if (rc)

		goto fail;