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authorEugenio Pérez <eperezma@redhat.com>2022-08-10 19:15:09 +0200
committerMichael S. Tsirkin <mst@redhat.com>2022-08-11 04:31:14 -0400
commit848ecea184e1253758423b37cbfc1ed732ccf5b4 (patch)
tree8fee71373fbaaf0c9b5d614fce9c0678dee6d3b1 /include/linux/vdpa.h
parent8d12ec10292877751ee4463b11a63bd850bc09b5 (diff)
vdpa: Add suspend operation
This operation is optional: It it's not implemented, backend feature bit will not be exposed. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Message-Id: <20220810171512.2343333-2-eperezma@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/linux/vdpa.h')
-rw-r--r--include/linux/vdpa.h4
1 files changed, 4 insertions, 0 deletions
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);