VHOST_USER_NET_SET_MTU = 20,
VHOST_USER_SET_SLAVE_REQ_FD = 21,
VHOST_USER_IOTLB_MSG = 22,
+ VHOST_USER_GET_CONFIG = 24,
+ VHOST_USER_SET_CONFIG = 25,
VHOST_USER_CRYPTO_CREATE_SESS = 26,
VHOST_USER_CRYPTO_CLOSE_SESS = 27,
VHOST_USER_POSTCOPY_ADVISE = 28,
VHOST_USER_SET_INFLIGHT_FD = 32,
VHOST_USER_SET_STATUS = 39,
VHOST_USER_GET_STATUS = 40,
- VHOST_USER_MAX = 41
} VhostUserRequest;
typedef enum VhostUserSlaveRequest {
VHOST_USER_SLAVE_IOTLB_MSG = 1,
VHOST_USER_SLAVE_CONFIG_CHANGE_MSG = 2,
VHOST_USER_SLAVE_VRING_HOST_NOTIFIER_MSG = 3,
- VHOST_USER_SLAVE_MAX
} VhostUserSlaveRequest;
typedef struct VhostUserMemoryRegion {
uint16_t queue_size;
} VhostUserInflight;
+#define VHOST_USER_MAX_CONFIG_SIZE 256
+
+/** Get/set config msg payload */
+struct vhost_user_config {
+ uint32_t offset;
+ uint32_t size;
+ uint32_t flags;
+ uint8_t region[VHOST_USER_MAX_CONFIG_SIZE];
+};
+
typedef struct VhostUserMsg {
union {
uint32_t master; /* a VhostUserRequest value */
VhostUserCryptoSessionParam crypto_session;
VhostUserVringArea area;
VhostUserInflight inflight;
+ struct vhost_user_config cfg;
} payload;
/* Nothing should be added after the payload */
} __rte_packed VhostUserMsg;
-struct vhu_msg_context {
+/* Note: this structure and VhostUserMsg can't be changed carelessly as
+ * external message handlers rely on them.
+ */
+struct __rte_packed vhu_msg_context {
+ VhostUserMsg msg;
int fds[VHOST_MEMORY_MAX_NREGIONS];
int fd_num;
- VhostUserMsg msg;
};
#define VHOST_USER_HDR_SIZE offsetof(VhostUserMsg, payload.u64)