linux-kernel - [PATCH 2/2] fpga: add cancel() and get

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Message-Id: <20210519204318.1976186-1-trix@redhat.com>
Date:   Wed, 19 May 2021 13:43:18 -0700
From:   trix@...hat.com
To:     mdf@...nel.org
Cc:     linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tom Rix <trix@...hat.com>
Subject: [PATCH 2/2] fpga: add cancel() and get_error() to update ops

From: Tom Rix <trix@...hat.com>

A user may want to cancel an update or get
more information on when an update fails.
Add some device ops to do these.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 include/linux/fpga/fpga-mgr.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h
index ab68280f3b4a4..31d6ebc34d87a 100644
--- a/include/linux/fpga/fpga-mgr.h
+++ b/include/linux/fpga/fpga-mgr.h
@@ -111,6 +111,8 @@ struct fpga_image_info {
  * @write: write count bytes of configuration data to the FPGA
  * @write_sg: write the scatter list of configuration data to the FPGA
  * @write_complete: set FPGA to operating state after writing is done
+ * @cancel: cancel the update
+ * @get_error: get extended error information
  */
 struct fpga_manager_update_ops {
 	int (*write_init)(struct fpga_manager *mgr,
@@ -120,6 +122,8 @@ struct fpga_manager_update_ops {
 	int (*write_sg)(struct fpga_manager *mgr, struct sg_table *sgt);
 	int (*write_complete)(struct fpga_manager *mgr,
 			      struct fpga_image_info *info);
+	int (*cancel)(struct fpga_manager *mgr);
+	int (*get_error)(struct fpga_manager *mgr, u64 *err);
 };
 
 /**
-- 
2.26.3