From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3zqxD45xdHzF1Vp for ; Tue, 27 Feb 2018 09:23:00 +1100 (AEDT) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w1QML2sg005027 for ; Mon, 26 Feb 2018 17:22:58 -0500 Received: from e13.ny.us.ibm.com (e13.ny.us.ibm.com [129.33.205.203]) by mx0a-001b2d01.pphosted.com with ESMTP id 2gcp5pjyuh-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 26 Feb 2018 17:22:57 -0500 Received: from localhost by e13.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 26 Feb 2018 17:22:56 -0500 From: Uma Krishnan To: linux-scsi@vger.kernel.org, James Bottomley , "Martin K. Petersen" , "Matthew R. Ochs" , "Manoj N. Kumar" Cc: linuxppc-dev@lists.ozlabs.org, Andrew Donnellan , Frederic Barrat , Christophe Lombard Subject: [PATCH v2 20/38] cxlflash: Support reading adapter VPD data Date: Mon, 26 Feb 2018 16:22:50 -0600 In-Reply-To: <1519683513-16731-1-git-send-email-ukrishn@linux.vnet.ibm.com> References: <1519683513-16731-1-git-send-email-ukrishn@linux.vnet.ibm.com> Message-Id: <1519683770-17474-1-git-send-email-ukrishn@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 --- 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 364e7a5..a1d58fc 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. */ @@ -650,6 +664,7 @@ 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, -- 2.1.0