lkml.org 
[lkml]   [2022]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v6 1/4] vdpa: Add suspend operation
Date
This operation is optional: It it's not implemented, backend feature bit
will not be exposed.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
include/linux/vdpa.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 7b4a13d3bd91..d282f464d2f1 100644
--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -218,6 +218,9 @@ struct vdpa_map_file {
* @reset: Reset device
* @vdev: vdpa device
* Returns integer: success (0) or error (< 0)
+ * @suspend: Suspend or resume the device (optional)
+ * @vdev: vdpa device
+ * Returns integer: success (0) or error (< 0)
* @get_config_size: Get the size of the configuration space includes
* fields that are conditional on feature bits.
* @vdev: vdpa device
@@ -319,6 +322,7 @@ struct vdpa_config_ops {
u8 (*get_status)(struct vdpa_device *vdev);
void (*set_status)(struct vdpa_device *vdev, u8 status);
int (*reset)(struct vdpa_device *vdev);
+ int (*suspend)(struct vdpa_device *vdev);
size_t (*get_config_size)(struct vdpa_device *vdev);
void (*get_config)(struct vdpa_device *vdev, unsigned int offset,
void *buf, unsigned int len);
--
2.31.1
\
 
 \ /
  Last update: 2022-06-23 18:09    [W:0.155 / U:1.988 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site