Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


Floating point context-switching and checkpoint/load
[palacios.git] / linux_module / vm.c
index dd4aeda..2ff482b 100644 (file)
@@ -156,7 +156,7 @@ static long v3_vm_ioctl(struct file * filp,
 
     struct v3_guest * guest = filp->private_data;
 
-    INFO("V3 IOCTL %d\n", ioctl);
+    DEBUG("V3 IOCTL %d\n", ioctl);
 
     switch (ioctl) {
        case V3_VM_LAUNCH: {
@@ -317,13 +317,36 @@ static long v3_vm_ioctl(struct file * filp,
            memset(&cmd, 0, sizeof(struct v3_core_move_cmd));
            
            if (copy_from_user(&cmd, argp, sizeof(struct v3_core_move_cmd))) {
-               WARNING("copy from user error getting migrate command...\n");
+               WARNING("copy from user error getting migrate core command...\n");
                return -EFAULT;
            }
        
            INFO("moving guest %s vcore %d to CPU %d\n", guest->name, cmd.vcore_id, cmd.pcore_id);
 
-           v3_move_vm_core(guest->v3_ctx, cmd.vcore_id, cmd.pcore_id);
+           if (v3_move_vm_core(guest->v3_ctx, cmd.vcore_id, cmd.pcore_id)) { 
+               ERROR("Could not move core\n");
+               return -EFAULT;
+           }
+
+           break;
+       }
+       case V3_VM_MOVE_MEM: {
+           struct v3_mem_move_cmd cmd;
+           void __user * argp = (void __user *)arg;
+
+           memset(&cmd, 0, sizeof(struct v3_mem_move_cmd));
+           
+           if (copy_from_user(&cmd, argp, sizeof(struct v3_mem_move_cmd))) {
+               WARNING("copy from user error getting migrate memory command...\n");
+               return -EFAULT;
+           }
+       
+           INFO("moving guest %s memory at gpa %p to memory with affinity for CPU %d\n", guest->name, (void*)(cmd.gpa), cmd.pcore_id);
+
+           if (v3_move_vm_mem(guest->v3_ctx, (void*)(cmd.gpa), cmd.pcore_id)) {
+               ERROR("Could not move memory\n");
+               return -EFAULT;
+           }
 
            break;
        }