From: Peter Dinda <pdinda@northwestern.edu>
Date: Sat, 29 Dec 2012 00:46:44 +0000 (-0600)
Subject: information request api for the host - gives a more detailed view of VM and vcore... 
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=13843de52d67d647f8ef05f736dc8f7d8be6adb3;p=palacios.git

information request api for the host - gives a more detailed view of VM and vcore state to the host
---

diff --git a/palacios/include/palacios/vmm.h b/palacios/include/palacios/vmm.h
index 6a4efa7..667c9b4 100644
--- a/palacios/include/palacios/vmm.h
+++ b/palacios/include/palacios/vmm.h
@@ -358,7 +358,30 @@ struct v3_interrupt {
 };
 
 
+typedef enum {V3_VM_UNKNOWN, V3_VM_INVALID, V3_VM_RUNNING, V3_VM_STOPPED, V3_VM_PAUSED, V3_VM_ERROR, V3_VM_SIMULATING} v3_vm_state_t;
+typedef enum {V3_VCORE_UNKNOWN, V3_VCORE_INVALID, V3_VCORE_RUNNING, V3_VCORE_STOPPED} v3_vcore_state_t;
+typedef enum {V3_VCORE_CPU_UNKNOWN, V3_VCORE_CPU_REAL, V3_VCORE_CPU_PROTECTED, V3_VCORE_CPU_PROTECTED_PAE, V3_VCORE_CPU_LONG, V3_VCORE_CPU_LONG_32_COMPAT, V3_VCORE_CPU_LONG_16_COMPAT} v3_vcore_cpu_mode_t;
+
+typedef enum {V3_VCORE_MEM_STATE_UNKNOWN, V3_VCORE_MEM_STATE_SHADOW, V3_VCORE_MEM_STATE_NESTED} v3_vcore_mem_state_t;
+typedef enum {V3_VCORE_MEM_MODE_UNKNOWN, V3_VCORE_MEM_MODE_PHYSICAL, V3_VCORE_MEM_MODE_VIRTUAL} v3_vcore_mem_mode_t;
+
+struct v3_vcore_state {
+  v3_vcore_state_t state;
+  v3_vcore_cpu_mode_t cpu_mode;
+  v3_vcore_mem_state_t mem_state;
+  v3_vcore_mem_mode_t mem_mode;
+  unsigned long pcore;
+  void *   last_rip;
+  unsigned long long num_exits;
+};
 
+struct v3_vm_state {
+  v3_vm_state_t state;
+  void *   mem_base_paddr;
+  unsigned long long  mem_size;
+  unsigned long  num_vcores;
+  struct v3_vcore_state vcore[0];
+};
 
 void Init_V3(struct v3_os_hooks * hooks, char * cpus, int num_cpus);
 void Shutdown_V3( void );
@@ -371,7 +394,6 @@ int v3_pause_vm(struct v3_vm_info * vm);
 int v3_continue_vm(struct v3_vm_info * vm);
 int v3_simulate_vm(struct v3_vm_info * vm, unsigned int msecs);
 
-
 int v3_save_vm(struct v3_vm_info * vm, char * store, char * url);
 int v3_load_vm(struct v3_vm_info * vm, char * store, char * url);
 
@@ -380,9 +402,10 @@ int v3_receive_vm(struct v3_vm_info * vm, char * store, char * url);
 
 int v3_move_vm_core(struct v3_vm_info * vm, int vcore_id, int target_cpu);
 
-
 int v3_free_vm(struct v3_vm_info * vm);
 
+int v3_get_state_vm(struct v3_vm_info *vm, struct v3_vm_state *out);
+
 int v3_deliver_irq(struct v3_vm_info * vm, struct v3_interrupt * intr);
 
 
diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c
index de77277..bbb5b1b 100644
--- a/palacios/src/palacios/vmm.c
+++ b/palacios/src/palacios/vmm.c
@@ -641,6 +641,62 @@ int v3_simulate_vm(struct v3_vm_info * vm, unsigned int msecs) {
 
 }
 
+int v3_get_state_vm(struct v3_vm_info *vm, struct v3_vm_state *s)
+{
+  uint32_t i;
+  uint32_t numcores = s->num_vcores > vm->num_cores ? vm->num_cores : s->num_vcores;
+
+  switch (vm->run_state) { 
+  case VM_INVALID: s->state = V3_VM_INVALID; break;
+  case VM_RUNNING: s->state = V3_VM_RUNNING; break;
+  case VM_STOPPED: s->state = V3_VM_STOPPED; break;
+  case VM_PAUSED: s->state = V3_VM_PAUSED; break;
+  case VM_ERROR: s->state = V3_VM_ERROR; break;
+  case VM_SIMULATING: s->state = V3_VM_SIMULATING; break;
+  default: s->state = V3_VM_UNKNOWN; break;
+  }
+
+  s->mem_base_paddr = (void*)(vm->mem_map.base_region.host_addr);
+  s->mem_size = vm->mem_size;
+
+  s->num_vcores = numcores;
+
+  for (i=0;i<numcores;i++) {
+    switch (vm->cores[i].core_run_state) {
+    case CORE_INVALID: s->vcore[i].state = V3_VCORE_INVALID; break;
+    case CORE_RUNNING: s->vcore[i].state = V3_VCORE_RUNNING; break;
+    case CORE_STOPPED: s->vcore[i].state = V3_VCORE_STOPPED; break;
+    default: s->vcore[i].state = V3_VCORE_UNKNOWN; break;
+    }
+    switch (vm->cores[i].cpu_mode) {
+    case REAL: s->vcore[i].cpu_mode = V3_VCORE_CPU_REAL; break;
+    case PROTECTED: s->vcore[i].cpu_mode = V3_VCORE_CPU_PROTECTED; break;
+    case PROTECTED_PAE: s->vcore[i].cpu_mode = V3_VCORE_CPU_PROTECTED_PAE; break;
+    case LONG: s->vcore[i].cpu_mode = V3_VCORE_CPU_LONG; break;
+    case LONG_32_COMPAT: s->vcore[i].cpu_mode = V3_VCORE_CPU_LONG_32_COMPAT; break;
+    case LONG_16_COMPAT: s->vcore[i].cpu_mode = V3_VCORE_CPU_LONG_16_COMPAT; break;
+    default: s->vcore[i].cpu_mode = V3_VCORE_CPU_UNKNOWN; break;
+    }
+    switch (vm->cores[i].shdw_pg_mode) { 
+    case SHADOW_PAGING: s->vcore[i].mem_state = V3_VCORE_MEM_STATE_SHADOW; break;
+    case NESTED_PAGING: s->vcore[i].mem_state = V3_VCORE_MEM_STATE_NESTED; break;
+    default: s->vcore[i].mem_state = V3_VCORE_MEM_STATE_UNKNOWN; break;
+    }
+    switch (vm->cores[i].mem_mode) { 
+    case PHYSICAL_MEM: s->vcore[i].mem_mode = V3_VCORE_MEM_MODE_PHYSICAL; break;
+    case VIRTUAL_MEM: s->vcore[i].mem_mode=V3_VCORE_MEM_MODE_VIRTUAL; break;
+    default: s->vcore[i].mem_mode=V3_VCORE_MEM_MODE_UNKNOWN; break;
+    }
+
+    s->vcore[i].pcore=vm->cores[i].pcpu_id;
+    s->vcore[i].last_rip=(void*)(vm->cores[i].rip);
+    s->vcore[i].num_exits=vm->cores[i].num_exits;
+  }
+
+  return 0;
+}
+
+
 #ifdef V3_CONFIG_CHECKPOINT
 #include <palacios/vmm_checkpoint.h>