diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index de0bb35257..83f5c02bea 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -57,6 +57,8 @@
  */
 #define VHOST_USER_MAX_CONFIG_SIZE 256
 
+#define VHOST_USER_MAX_SHMEM_REGIONS 256
+
 #define VHOST_USER_PROTOCOL_FEATURE_MASK ((1 << VHOST_USER_PROTOCOL_F_MAX) - 1)
 
 typedef enum VhostUserRequest {
@@ -104,6 +106,7 @@ typedef enum VhostUserRequest {
     VHOST_USER_GET_SHARED_OBJECT = 41,
     VHOST_USER_SET_DEVICE_STATE_FD = 42,
     VHOST_USER_CHECK_DEVICE_STATE = 43,
+    VHOST_USER_GET_SHMEM_CONFIG = 44,
     VHOST_USER_MAX
 } VhostUserRequest;
 
@@ -138,6 +141,12 @@ typedef struct VhostUserMemRegMsg {
     VhostUserMemoryRegion region;
 } VhostUserMemRegMsg;
 
+typedef struct VhostUserShMemConfig {
+    uint32_t nregions;
+    uint32_t padding;
+    uint64_t memory_sizes[VHOST_MEMORY_BASELINE_NREGIONS];
+} VhostUserShMemConfig;
+
 typedef struct VhostUserLog {
     uint64_t mmap_size;
     uint64_t mmap_offset;
@@ -245,6 +254,7 @@ typedef union {
         VhostUserShared object;
         VhostUserTransferDeviceState transfer_state;
         VhostUserMMap mmap;
+        VhostUserShMemConfig shmem;
 } VhostUserPayload;
 
 typedef struct VhostUserMsg {
@@ -3134,6 +3144,40 @@ static int vhost_user_check_device_state(struct vhost_dev *dev, Error **errp)
     return 0;
 }
 
+static int vhost_user_get_shmem_config(struct vhost_dev *dev,
+                                       int *nregions,
+                                       uint64_t *memory_sizes,
+                                       Error **errp)
+{
+    int ret;
+    VhostUserMsg msg = {
+        .hdr.request = VHOST_USER_GET_SHMEM_CONFIG,
+        .hdr.flags = VHOST_USER_VERSION,
+    };
+
+    if (!virtio_has_feature(dev->protocol_features,
+                            VHOST_USER_PROTOCOL_F_SHMEM)) {
+        return 0;
+    }
+
+    ret = vhost_user_write(dev, &msg, NULL, 0);
+    if (ret < 0) {
+        return ret;
+    }
+
+    ret = vhost_user_read(dev, &msg);
+    if (ret < 0) {
+        return ret;
+    }
+
+    assert(msg.payload.shmem.nregions <= VHOST_USER_MAX_SHMEM_REGIONS);
+    *nregions = msg.payload.shmem.nregions;
+    memcpy(memory_sizes,
+           &msg.payload.shmem.memory_sizes,
+           sizeof(uint64_t) * VHOST_MEMORY_BASELINE_NREGIONS);
+    return 0;
+}
+
 const VhostOps user_ops = {
         .backend_type = VHOST_BACKEND_TYPE_USER,
         .vhost_backend_init = vhost_user_backend_init,
@@ -3172,4 +3216,5 @@ const VhostOps user_ops = {
         .vhost_supports_device_state = vhost_user_supports_device_state,
         .vhost_set_device_state_fd = vhost_user_set_device_state_fd,
         .vhost_check_device_state = vhost_user_check_device_state,
+        .vhost_get_shmem_config = vhost_user_get_shmem_config,
 };
diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index 70c2e8ffee..f9c2955420 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -159,6 +159,11 @@ typedef int (*vhost_set_device_state_fd_op)(struct vhost_dev *dev,
                                             int *reply_fd,
                                             Error **errp);
 typedef int (*vhost_check_device_state_op)(struct vhost_dev *dev, Error **errp);
+typedef int (*vhost_get_shmem_config_op)(struct vhost_dev *dev,
+                                         int *nregions,
+                                         uint64_t *memory_sizes,
+                                         Error **errp);
+
 
 typedef struct VhostOps {
     VhostBackendType backend_type;
@@ -214,6 +219,7 @@ typedef struct VhostOps {
     vhost_supports_device_state_op vhost_supports_device_state;
     vhost_set_device_state_fd_op vhost_set_device_state_fd;
     vhost_check_device_state_op vhost_check_device_state;
+    vhost_get_shmem_config_op vhost_get_shmem_config;
 } VhostOps;
 
 int vhost_backend_update_device_iotlb(struct vhost_dev *dev,
diff --git a/include/hw/virtio/vhost-user.h b/include/hw/virtio/vhost-user.h
index 324cd8663a..d4bb2c3958 100644
--- a/include/hw/virtio/vhost-user.h
+++ b/include/hw/virtio/vhost-user.h
@@ -32,6 +32,7 @@ enum VhostUserProtocolFeature {
     /* Feature 17 reserved for VHOST_USER_PROTOCOL_F_XEN_MMAP. */
     VHOST_USER_PROTOCOL_F_SHARED_OBJECT = 18,
     VHOST_USER_PROTOCOL_F_DEVICE_STATE = 19,
+    VHOST_USER_PROTOCOL_F_SHMEM = 20,
     VHOST_USER_PROTOCOL_F_MAX
 };
 
