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RDMA/bnxt_re: Update sysfs entries with appropriate data

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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: Anantha Prabhu <anantha.prabhu@broadcom.com>
Signed-off-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20250908094516.18222-2-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Anantha Prabhu 2025-09-08 15:15:15 +05:30 committed by Leon Romanovsky
parent 6603fbf158
commit 72d0b87e1e
2 changed files with 50 additions and 2 deletions
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2
drivers/infiniband/hw/bnxt_re/bnxt_re.h
View File

@ -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;

50
drivers/infiniband/hw/bnxt_re/main.c
View File

@ -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;