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Commit 119c9200 authored by Uma Krishnan's avatar Uma Krishnan Committed by Martin K. Petersen
Browse files

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: default avatarUma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: default avatarMatthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 3351e4f0

drivers/scsi/cxlflash/ocxl_hw.c

+15 −0
Original line number Diff line number Diff line
@@ -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,