From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (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 3zqxCD2hZMzDqF9 for ; Tue, 27 Feb 2018 09:22:16 +1100 (AEDT) Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w1QMJscQ114406 for ; Mon, 26 Feb 2018 17:22:14 -0500 Received: from e38.co.us.ibm.com (e38.co.us.ibm.com [32.97.110.159]) by mx0b-001b2d01.pphosted.com with ESMTP id 2gcq9q8epf-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 26 Feb 2018 17:22:14 -0500 Received: from localhost by e38.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 26 Feb 2018 15:22:12 -0700 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 14/38] cxlflash: Support adapter context discovery Date: Mon, 26 Feb 2018 16:22:06 -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: <1519683726-17258-1-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: , Provide means to obtain the process element of an adapter context as well as locate an adapter context by file. Signed-off-by: Uma Krishnan Acked-by: Matthew R. Ochs --- drivers/scsi/cxlflash/ocxl_hw.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c index 59e9003..cdb1385 100644 --- a/drivers/scsi/cxlflash/ocxl_hw.c +++ b/drivers/scsi/cxlflash/ocxl_hw.c @@ -151,6 +151,19 @@ static struct file *ocxlflash_getfile(struct device *dev, const char *name, } /** + * ocxlflash_process_element() - get process element of the adapter context + * @ctx_cookie: Adapter context associated with the process element. + * + * Return: process element of the adapter context + */ +static int ocxlflash_process_element(void *ctx_cookie) +{ + struct ocxlflash_context *ctx = ctx_cookie; + + return ctx->pe; +} + +/** * ocxlflash_set_master() - sets the context as master * @ctx_cookie: Adapter context to set as master. */ @@ -461,9 +474,21 @@ static struct file *ocxlflash_get_fd(void *ctx_cookie, goto out; } +/** + * ocxlflash_fops_get_context() - get the context associated with the file + * @file: File associated with the adapter context. + * + * Return: pointer to the context + */ +static void *ocxlflash_fops_get_context(struct file *file) +{ + return file->private_data; +} + /* Backend ops to ocxlflash services */ const struct cxlflash_backend_ops cxlflash_ocxl_ops = { .module = THIS_MODULE, + .process_element = ocxlflash_process_element, .set_master = ocxlflash_set_master, .get_context = ocxlflash_get_context, .dev_context_init = ocxlflash_dev_context_init, @@ -471,4 +496,5 @@ const struct cxlflash_backend_ops cxlflash_ocxl_ops = { .create_afu = ocxlflash_create_afu, .destroy_afu = ocxlflash_destroy_afu, .get_fd = ocxlflash_get_fd, + .fops_get_context = ocxlflash_fops_get_context, }; -- 2.1.0