From 119c920073f4b492c1c1a7bf43a7e472d9dba19a Mon Sep 17 00:00:00 2001 From: Uma Krishnan Date: Mon, 26 Mar 2018 11:33:14 -0500 Subject: 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 Acked-by: Matthew R. Ochs Signed-off-by: Martin K. Petersen --- drivers/scsi/cxlflash/ocxl_hw.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) 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 @@ -323,6 +323,20 @@ static void ocxlflash_perst_reloads_same_image(void *afu_cookie, bool image) afu->perst_same_image = 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, -- cgit v1.2.3