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authorLinus Torvalds <torvalds@linux-foundation.org>2023-02-25 11:48:02 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2023-02-25 11:48:02 -0800
commit84cc6674b76ba2cdac0df8037b4d8a22a6fc1b77 (patch)
tree6669f09d4ebc3c551e0234abd2f4b82cefd47ff3 /include/linux/vdpa.h
parent49d575926890e6ada930bf6f06d62b2fde8fce95 (diff)
parentdeeacf35c922da579637f5db625af20baafc66ed (diff)
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin: - device feature provisioning in ifcvf, mlx5 - new SolidNET driver - support for zoned block device in virtio blk - numa support in virtio pmem - VIRTIO_F_RING_RESET support in vhost-net - more debugfs entries in mlx5 - resume support in vdpa - completion batching in virtio blk - cleanup of dma api use in vdpa - now simulating more features in vdpa-sim - documentation, features, fixes all over the place * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (64 commits) vdpa/mlx5: support device features provisioning vdpa/mlx5: make MTU/STATUS presence conditional on feature bits vdpa: validate device feature provisioning against supported class vdpa: validate provisioned device features against specified attribute vdpa: conditionally read STATUS in config space vdpa: fix improper error message when adding vdpa dev vdpa/mlx5: Initialize CVQ iotlb spinlock vdpa/mlx5: Don't clear mr struct on destroy MR vdpa/mlx5: Directly assign memory key tools/virtio: enable to build with retpoline vringh: fix a typo in comments for vringh_kiov vhost-vdpa: print warning when vhost_vdpa_alloc_domain fails scsi: virtio_scsi: fix handling of kmalloc failure vdpa: Fix a couple of spelling mistakes in some messages vhost-net: support VIRTIO_F_RING_RESET vhost-scsi: convert sysfs snprintf and sprintf to sysfs_emit vdpa: mlx5: support per virtqueue dma device vdpa: set dma mask for vDPA device virtio-vdpa: support per vq dma device vdpa: introduce get_vq_dma_device() ...
Diffstat (limited to 'include/linux/vdpa.h')
-rw-r--r--include/linux/vdpa.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 6d0f5e4e82c2..43f59ef10cc9 100644
--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -219,7 +219,10 @@ struct vdpa_map_file {
* @reset: Reset device
* @vdev: vdpa device
* Returns integer: success (0) or error (< 0)
- * @suspend: Suspend or resume the device (optional)
+ * @suspend: Suspend the device (optional)
+ * @vdev: vdpa device
+ * Returns integer: success (0) or error (< 0)
+ * @resume: 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
@@ -282,6 +285,11 @@ struct vdpa_map_file {
* @iova: iova to be unmapped
* @size: size of the area
* Returns integer: success (0) or error (< 0)
+ * @get_vq_dma_dev: Get the dma device for a specific
+ * virtqueue (optional)
+ * @vdev: vdpa device
+ * @idx: virtqueue index
+ * Returns pointer to structure device or error (NULL)
* @free: Free resources that belongs to vDPA (optional)
* @vdev: vdpa device
*/
@@ -324,6 +332,7 @@ struct vdpa_config_ops {
void (*set_status)(struct vdpa_device *vdev, u8 status);
int (*reset)(struct vdpa_device *vdev);
int (*suspend)(struct vdpa_device *vdev);
+ int (*resume)(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);
@@ -341,6 +350,7 @@ struct vdpa_config_ops {
u64 iova, u64 size);
int (*set_group_asid)(struct vdpa_device *vdev, unsigned int group,
unsigned int asid);
+ struct device *(*get_vq_dma_dev)(struct vdpa_device *vdev, u16 idx);
/* Free device resources */
void (*free)(struct vdpa_device *vdev);