Expose VM reset capability to Linux and Linux user

[palacios.git] / linux_module / vm.c

diff --git a/linux_module/vm.c b/linux_module/vm.c
index d352c36..440ff69 100644 (file)
--- a/linux_module/vm.c
+++ b/linux_module/vm.c
@@ -195,6 +195,38 @@ static long v3_vm_ioctl(struct file * filp,
            v3_simulate_vm(guest->v3_ctx, arg);
            break;
        }
+       case V3_VM_RESET: {
+           struct v3_reset_cmd r;
+           void __user * argp = (void __user *)arg;
+           v3_vm_reset_type t;
+           uint32_t core_range[2];
+
+           if (copy_from_user(&r, argp, sizeof(struct v3_reset_cmd))) {
+               WARNING("Copy from user error getting reset info\n");
+               return -EFAULT;
+           }
+           
+           if (r.type==V3_RESET_VM_ALL) { 
+               t=V3_VM_RESET_ALL;
+           } else if (r.type==V3_RESET_VM_HRT) {
+               t=V3_VM_RESET_HRT;
+           } else if (r.type==V3_RESET_VM_ROS) {
+               t=V3_VM_RESET_ROS;
+           } else if (r.type==V3_RESET_VM_CORE_RANGE){
+               t=V3_VM_RESET_CORE_RANGE;
+               core_range[0]=r.first_core;
+               core_range[1]=r.first_core+r.num_cores-1;
+           } else {
+               ERROR("Unknown reset type %d requested\n",r.type);
+               return -EFAULT;
+           }
+           
+           if (v3_reset_vm_extended(guest->v3_ctx, t, core_range) == -1) {
+               WARNING("Error reseting VM\n");
+               return -EFAULT;
+           }
+           break;
+       }
 
 
 #ifdef V3_CONFIG_CHECKPOINT