From: Uma Krishnan Date: Mon, 26 Mar 2018 16:32:20 +0000 (-0500) Subject: scsi: cxlflash: Support adapter context discovery X-Git-Tag: v4.19~824^2~254 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b18718c626919f475f82eec6a4940540e7ce44da;p=platform%2Fkernel%2Flinux-rpi.git scsi: cxlflash: Support adapter context discovery 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 Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c index 49af059..21915b7 100644 --- a/drivers/scsi/cxlflash/ocxl_hw.c +++ b/drivers/scsi/cxlflash/ocxl_hw.c @@ -151,6 +151,19 @@ err1: } /** + * 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. */ @@ -469,9 +482,21 @@ err1: 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, @@ -479,4 +504,5 @@ 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, };