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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

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Pull virtio updates from Michael Tsirkin:
 "vhost,virtio and vdpa features, fixes, and cleanups:

   - mac vlan filter and stats support in mlx5 vdpa

   - irq hardening in virtio

   - performance improvements in virtio crypto

   - polling i/o support in virtio blk

   - ASID support in vhost

   - fixes, cleanups all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (64 commits)
  vdpa: ifcvf: set pci driver data in probe
  vdpa/mlx5: Add RX MAC VLAN filter support
  vdpa/mlx5: Remove flow counter from steering
  vhost: rename vhost_work_dev_flush
  vhost-test: drop flush after vhost_dev_cleanup
  vhost-scsi: drop flush after vhost_dev_cleanup
  vhost_vsock: simplify vhost_vsock_flush()
  vhost_test: remove vhost_test_flush_vq()
  vhost_net: get rid of vhost_net_flush_vq() and extra flush calls
  vhost: flush dev once during vhost_dev_stop
  vhost: get rid of vhost_poll_flush() wrapper
  vhost-vdpa: return -EFAULT on copy_to_user() failure
  vdpasim: Off by one in vdpasim_set_group_asid()
  virtio: Directly use ida_alloc()/free()
  virtio: use WARN_ON() to warning illegal status value
  virtio: harden vring IRQ
  virtio: allow to unbreak virtqueue
  virtio-ccw: implement synchronize_cbs()
  virtio-mmio: implement synchronize_cbs()
  virtio-pci: implement synchronize_cbs()
  ...
This commit is contained in:
Linus Torvalds
2022-06-03 10:02:52 -07:00
parent 6f6ebb9899 bd8bb9aed5
commit 6e5f6a8691
43 changed files with 1964 additions and 591 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/uapi/linux/vdpa.h
View File

@@ -18,6 +18,7 @@ enum vdpa_command {
VDPA_CMD_DEV_DEL,
VDPA_CMD_DEV_GET, /* can dump */
VDPA_CMD_DEV_CONFIG_GET, /* can dump */
VDPA_CMD_DEV_VSTATS_GET,
};
enum vdpa_attr {
@@ -46,6 +47,11 @@ enum vdpa_attr {
VDPA_ATTR_DEV_NEGOTIATED_FEATURES, /* u64 */
VDPA_ATTR_DEV_MGMTDEV_MAX_VQS, /* u32 */
VDPA_ATTR_DEV_SUPPORTED_FEATURES, /* u64 */
VDPA_ATTR_DEV_QUEUE_INDEX, /* u32 */
VDPA_ATTR_DEV_VENDOR_ATTR_NAME, /* string */
VDPA_ATTR_DEV_VENDOR_ATTR_VALUE, /* u64 */
/* new attributes must be added above here */
VDPA_ATTR_MAX,
};

26
include/uapi/linux/vhost.h
View File

@@ -89,11 +89,6 @@
/* Set or get vhost backend capability */
/* Use message type V2 */
#define VHOST_BACKEND_F_IOTLB_MSG_V2 0x1
/* IOTLB can accept batching hints */
#define VHOST_BACKEND_F_IOTLB_BATCH 0x2
#define VHOST_SET_BACKEND_FEATURES _IOW(VHOST_VIRTIO, 0x25, __u64)
#define VHOST_GET_BACKEND_FEATURES _IOR(VHOST_VIRTIO, 0x26, __u64)
@@ -150,11 +145,30 @@
/* Get the valid iova range */
#define VHOST_VDPA_GET_IOVA_RANGE _IOR(VHOST_VIRTIO, 0x78, \
struct vhost_vdpa_iova_range)
/* Get the config size */
#define VHOST_VDPA_GET_CONFIG_SIZE _IOR(VHOST_VIRTIO, 0x79, __u32)
/* Get the count of all virtqueues */
#define VHOST_VDPA_GET_VQS_COUNT _IOR(VHOST_VIRTIO, 0x80, __u32)
/* Get the number of virtqueue groups. */
#define VHOST_VDPA_GET_GROUP_NUM _IOR(VHOST_VIRTIO, 0x81, __u32)
/* Get the number of address spaces. */
#define VHOST_VDPA_GET_AS_NUM _IOR(VHOST_VIRTIO, 0x7A, unsigned int)
/* Get the group for a virtqueue: read index, write group in num,
* The virtqueue index is stored in the index field of
* vhost_vring_state. The group for this specific virtqueue is
* returned via num field of vhost_vring_state.
*/
#define VHOST_VDPA_GET_VRING_GROUP _IOWR(VHOST_VIRTIO, 0x7B, \
struct vhost_vring_state)
/* Set the ASID for a virtqueue group. The group index is stored in
* the index field of vhost_vring_state, the ASID associated with this
* group is stored at num field of vhost_vring_state.
*/
#define VHOST_VDPA_SET_GROUP_ASID _IOW(VHOST_VIRTIO, 0x7C, \
struct vhost_vring_state)
#endif

11
include/uapi/linux/vhost_types.h
View File

@@ -87,7 +87,7 @@ struct vhost_msg {
struct vhost_msg_v2 {
__u32 type;
__u32 reserved;
__u32 asid;
union {
struct vhost_iotlb_msg iotlb;
__u8 padding[64];
@@ -153,4 +153,13 @@ struct vhost_vdpa_iova_range {
/* vhost-net should add virtio_net_hdr for RX, and strip for TX packets. */
#define VHOST_NET_F_VIRTIO_NET_HDR 27
/* Use message type V2 */
#define VHOST_BACKEND_F_IOTLB_MSG_V2 0x1
/* IOTLB can accept batching hints */
#define VHOST_BACKEND_F_IOTLB_BATCH 0x2
/* IOTLB can accept address space identifier through V2 type of IOTLB
* message
*/
#define VHOST_BACKEND_F_IOTLB_ASID 0x3
#endif