diff options
| author | Uma Krishnan <ukrishn@linux.vnet.ibm.com> | 2018-03-26 11:33:14 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-04-18 19:32:49 -0400 |
| commit | 119c920073f4b492c1c1a7bf43a7e472d9dba19a (patch) | |
| tree | f78ab17344c935a766e8cc88663694c2911a3eb0 /drivers/scsi/cxlflash | |
| parent | 3351e4f025f772e76054b1b6dd7ad9afd49a9b99 (diff) | |
scsi: cxlflash: Support reading adapter VPD data
Use the PCI VPD services to support reading the VPD data of the underlying
adapter.
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/cxlflash')
| -rw-r--r-- | drivers/scsi/cxlflash/ocxl_hw.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c index 3042057c2680..a2f04d3f8aa8 100644 --- a/drivers/scsi/cxlflash/ocxl_hw.c +++ b/drivers/scsi/cxlflash/ocxl_hw.c @@ -324,6 +324,20 @@ static void ocxlflash_perst_reloads_same_image(void *afu_cookie, bool image) } /** + * ocxlflash_read_adapter_vpd() - reads the adapter VPD + * @pdev: PCI device associated with the host. + * @buf: Buffer to get the VPD data. + * @count: Size of buffer (maximum bytes that can be read). + * + * Return: size of VPD on success, -errno on failure + */ +static ssize_t ocxlflash_read_adapter_vpd(struct pci_dev *pdev, void *buf, + size_t count) +{ + return pci_read_vpd(pdev, 0, count, buf); +} + +/** * ocxlflash_unconfig_afu() - unconfigure the AFU * @afu: AFU associated with the host. */ @@ -658,6 +672,7 @@ const struct cxlflash_backend_ops cxlflash_ocxl_ops = { .dev_context_init = ocxlflash_dev_context_init, .release_context = ocxlflash_release_context, .perst_reloads_same_image = ocxlflash_perst_reloads_same_image, + .read_adapter_vpd = ocxlflash_read_adapter_vpd, .create_afu = ocxlflash_create_afu, .destroy_afu = ocxlflash_destroy_afu, .get_fd = ocxlflash_get_fd, |