@@ -80,6 +80,8 @@
[VHOST_USER_NET_SET_MTU] = "VHOST_USER_NET_SET_MTU",
[VHOST_USER_SET_SLAVE_REQ_FD] = "VHOST_USER_SET_SLAVE_REQ_FD",
[VHOST_USER_IOTLB_MSG] = "VHOST_USER_IOTLB_MSG",
+ [VHOST_USER_GET_CONFIG] = "VHOST_USER_GET_CONFIG",
+ [VHOST_USER_SET_CONFIG] = "VHOST_USER_SET_CONFIG",
[VHOST_USER_CRYPTO_CREATE_SESS] = "VHOST_USER_CRYPTO_CREATE_SESS",
[VHOST_USER_CRYPTO_CLOSE_SESS] = "VHOST_USER_CRYPTO_CLOSE_SESS",
[VHOST_USER_POSTCOPY_ADVISE] = "VHOST_USER_POSTCOPY_ADVISE",
@@ -2542,6 +2544,52 @@ static int is_vring_iotlb(struct virtio_net *dev,
}
static int
+vhost_user_get_config(struct virtio_net **pdev,
+ struct vhu_msg_context *ctx,
+ int main_fd __rte_unused)
+{
+ struct virtio_net *dev = *pdev;
+ struct rte_vdpa_device *vdpa_dev = dev->vdpa_dev;
+ int ret = 0;
+
+ if (vdpa_dev->ops->get_config) {
+ ret = vdpa_dev->ops->get_config(dev->vid,
+ ctx->msg.payload.cfg.region,
+ ctx->msg.payload.cfg.size);
+ if (ret != 0) {
+ ctx->msg.size = 0;
+ VHOST_LOG_CONFIG(ERR, "get_config() return error!\n");
+ }
+ } else {
+ VHOST_LOG_CONFIG(ERR, "get_config() not supportted!\n");
+ }
+
+ return RTE_VHOST_MSG_RESULT_REPLY;
+}
+
+static int
+vhost_user_set_config(struct virtio_net **pdev,
+ struct vhu_msg_context *ctx,
+ int main_fd __rte_unused)
+{
+ struct virtio_net *dev = *pdev;
+ struct rte_vdpa_device *vdpa_dev = dev->vdpa_dev;
+ int ret = 0;
+
+ if (vdpa_dev->ops->set_config) {
+ ret = vdpa_dev->ops->set_config(dev->vid,
+ ctx->msg.payload.cfg.region,
+ ctx->msg.payload.cfg.offset,
+ ctx->msg.payload.cfg.size,
+ ctx->msg.payload.cfg.flags);
+ } else {
+ VHOST_LOG_CONFIG(ERR, "set_config() not supportted!\n");
+ }
+
+ return ret == 0 ? RTE_VHOST_MSG_RESULT_OK : RTE_VHOST_MSG_RESULT_ERR;
+}
+
+static int
vhost_user_iotlb_msg(struct virtio_net **pdev,
struct vhu_msg_context *ctx,
int main_fd __rte_unused)
@@ -2782,6 +2830,8 @@ typedef int (*vhost_message_handler_t)(struct virtio_net **pdev,
[VHOST_USER_NET_SET_MTU] = vhost_user_net_set_mtu,
[VHOST_USER_SET_SLAVE_REQ_FD] = vhost_user_set_req_fd,
[VHOST_USER_IOTLB_MSG] = vhost_user_iotlb_msg,
+ [VHOST_USER_GET_CONFIG] = vhost_user_get_config,
+ [VHOST_USER_SET_CONFIG] = vhost_user_set_config,
[VHOST_USER_POSTCOPY_ADVISE] = vhost_user_set_postcopy_advise,
[VHOST_USER_POSTCOPY_LISTEN] = vhost_user_set_postcopy_listen,
[VHOST_USER_POSTCOPY_END] = vhost_user_postcopy_end,
@@ -50,6 +50,8 @@
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,
@@ -125,6 +127,18 @@
uint16_t queue_size;
} VhostUserInflight;
+#ifndef VHOST_USER_MAX_CONFIG_SIZE
+#define VHOST_USER_MAX_CONFIG_SIZE 256
+#endif
+
+/** 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 */
@@ -148,6 +162,7 @@
VhostUserCryptoSessionParam crypto_session;
VhostUserVringArea area;
VhostUserInflight inflight;
+ struct vhost_user_config cfg;
} payload;
/* Nothing should be added after the payload */
} __rte_packed VhostUserMsg;