hooked checkpoint code up to the linux module and added user space tools

[palacios.git] / linux_module / vm.c

diff --git a/linux_module/vm.c b/linux_module/vm.c
index 1e37587..08ae7e0 100644 (file)
--- a/linux_module/vm.c
+++ b/linux_module/vm.c
@@ -137,6 +137,48 @@ static long v3_vm_ioctl(struct file * filp,
            v3_continue_vm(guest->v3_ctx);
            break;
        }
+#ifdef V3_CONFIG_CHECKPOINT
+       case V3_VM_SAVE: {
+           struct v3_chkpt_info chkpt;
+           void __user * argp = (void __user *)arg;
+
+           memset(&chkpt, 0, sizeof(struct v3_chkpt_info));
+
+           if (copy_from_user(&chkpt, argp, sizeof(struct v3_chkpt_info))) {
+               printk("Copy from user error getting checkpoint info\n");
+               return -EFAULT;
+           }
+           
+           printk("Saving Guest to %s:%s\n", chkpt.store, chkpt.url);
+
+           if (v3_save_vm(guest->v3_ctx, chkpt.store, chkpt.url) == -1) {
+               printk("Error checkpointing VM state\n");
+               return -EFAULT;
+           }
+           
+           break;
+       }
+       case V3_VM_LOAD: {
+           struct v3_chkpt_info chkpt;
+           void __user * argp = (void __user *)arg;
+
+           memset(&chkpt, 0, sizeof(struct v3_chkpt_info));
+
+           if (copy_from_user(&chkpt, argp, sizeof(struct v3_chkpt_info))) {
+               printk("Copy from user error getting checkpoint info\n");
+               return -EFAULT;
+           }
+           
+           printk("Loading Guest to %s:%s\n", chkpt.store, chkpt.url);
+
+           if (v3_load_vm(guest->v3_ctx, chkpt.store, chkpt.url) == -1) {
+               printk("Error Loading VM state\n");
+               return -EFAULT;
+           }
+           
+           break;
+       }
+#endif
        case V3_VM_MOVE_CORE: {
            struct v3_core_move_cmd cmd;
            void __user * argp = (void __user *)arg;
@@ -151,9 +193,9 @@ static long v3_vm_ioctl(struct file * filp,
            printk("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);
-       }
-       break;
 
+           break;
+       }
        default: {
            struct vm_ctrl * ctrl = get_ctrl(guest, ioctl);