added dedicated debugging framework with associated interface

[palacios.git] / linux_module / vm.c

diff --git a/linux_module/vm.c b/linux_module/vm.c
index 88e3bef..40cfa06 100644 (file)
--- a/linux_module/vm.c
+++ b/linux_module/vm.c
@@ -19,6 +19,7 @@
 #include <linux/module.h>
 
 #include <palacios/vmm.h>
+#include <palacios/vmm_host_events.h>
 
 #include "palacios.h"
 #include "vm.h"
@@ -208,6 +209,30 @@ static long v3_vm_ioctl(struct file * filp,
            break;
        }
 #endif
+       case V3_VM_DEBUG: {
+           struct v3_debug_cmd cmd;
+           struct v3_debug_event evt;
+           void __user * argp = (void __user *)arg;        
+
+           memset(&cmd, 0, sizeof(struct v3_debug_cmd));
+           
+           if (copy_from_user(&cmd, argp, sizeof(struct v3_debug_cmd))) {
+               printk("Error: Could not copy debug command from user space\n");
+               return -EFAULT;
+           }
+
+           evt.core_id = cmd.core;
+           evt.cmd = cmd.cmd;
+
+           printk("Debugging VM\n");
+
+           if (v3_deliver_debug_event(guest->v3_ctx, &evt) == -1) {
+               printk("Error could not deliver debug cmd\n");
+               return -EFAULT;
+           }
+
+           break;
+       }
        case V3_VM_MOVE_CORE: {
            struct v3_core_move_cmd cmd;
            void __user * argp = (void __user *)arg;