@@ -97,6 +97,7 @@ typedef enum VhostUserRequest {
VHOST_USER_SET_INFLIGHT_FD = 32,
VHOST_USER_GPU_SET_SOCKET = 33,
VHOST_USER_VRING_KICK = 35,
+ VHOST_USER_GET_MAX_MEM_SLOTS = 36,
VHOST_USER_MAX
} VhostUserRequest;
@@ -137,6 +137,7 @@ vu_request_to_string(unsigned int req)
REQ(VHOST_USER_SET_INFLIGHT_FD),
REQ(VHOST_USER_GPU_SET_SOCKET),
REQ(VHOST_USER_VRING_KICK),
+ REQ(VHOST_USER_GET_MAX_MEM_SLOTS),
REQ(VHOST_USER_MAX),
};
#undef REQ
@@ -1565,6 +1566,22 @@ vu_handle_vring_kick(VuDev *dev, VhostUserMsg *vmsg)
return false;
}
+static bool vu_handle_get_max_memslots(VuDev *dev, VhostUserMsg *vmsg)
+{
+ vmsg->flags = VHOST_USER_REPLY_MASK | VHOST_USER_VERSION;
+ vmsg->size = sizeof(vmsg->payload.u64);
+ vmsg->payload.u64 = VHOST_MEMORY_MAX_NREGIONS;
+ vmsg->fd_num = 0;
+
+ if (!vu_message_write(dev, dev->sock, vmsg)) {
+ vu_panic(dev, "Failed to send max ram slots: %s\n", strerror(errno));
+ }
+
+ DPRINT("u64: 0x%016"PRIx64"\n", (uint64_t) VHOST_MEMORY_MAX_NREGIONS);
+
+ return false;
+}
+
static bool
vu_process_message(VuDev *dev, VhostUserMsg *vmsg)
{
@@ -1649,6 +1666,8 @@ vu_process_message(VuDev *dev, VhostUserMsg *vmsg)
return vu_set_inflight_fd(dev, vmsg);
case VHOST_USER_VRING_KICK:
return vu_handle_vring_kick(dev, vmsg);
+ case VHOST_USER_GET_MAX_MEM_SLOTS:
+ return vu_handle_get_max_memslots(dev, vmsg);
default:
vmsg_close_fds(vmsg);
vu_panic(dev, "Unhandled request: %d", vmsg->request);