Expose swapping and pinning to host + add visibility to linux module

[palacios.git] / palacios / src / palacios / vmm.c

diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c
index 88fa79a..e16e2fa 100644 (file)
--- a/palacios/src/palacios/vmm.c
+++ b/palacios/src/palacios/vmm.c
@@ -31,6 +31,7 @@
 #include <palacios/vmm_cpu_mapper.h>
 #include <palacios/vmm_direct_paging.h>
 #include <interfaces/vmm_numa.h>
+#include <interfaces/vmm_file.h>
 
 #ifdef V3_CONFIG_SVM
 #include <palacios/svm.h>
@@ -162,6 +163,10 @@ void Init_V3(struct v3_os_hooks * hooks, char * cpu_mask, int num_cpus, char *op
     // Register all shadow paging handlers
     V3_init_shdw_paging();
 
+#ifdef V3_CONFIG_SWAPPING
+    v3_init_swapping();
+#endif
+
     // Initialize the cpu_mapper framework (must be before extensions)
     V3_init_cpu_mapper();
 
@@ -239,6 +244,10 @@ void Shutdown_V3() {
     V3_deinit_scheduling();
     
     V3_deinit_cpu_mapper();
+
+#ifdef V3_CONFIG_SWAPPING
+    v3_deinit_swapping();
+#endif
     
     V3_deinit_shdw_paging();
     
@@ -387,7 +396,14 @@ int v3_start_vm(struct v3_vm_info * vm, unsigned int cpu_mask) {
         PrintDebug(vm, VCORE_NONE, "run: core=%u, func=0x%p, arg=0x%p, name=%s\n",
                   core->pcpu_id, start_core, core, core->exec_name);
 
-       core->core_run_state = CORE_STOPPED;  // core zero will turn itself on
+       if (core->core_run_state==CORE_INVALID) { 
+         // launch of a fresh VM
+         core->core_run_state = CORE_STOPPED;  
+         // core zero will turn itself on
+       } else {
+         // this is a resume - use whatever its current run_state is
+       }
+
        core->core_thread = V3_CREATE_THREAD_ON_CPU(core->pcpu_id, start_core, core, core->exec_name);
 
        if (core->core_thread == NULL) {
@@ -846,6 +862,14 @@ int v3_get_state_vm(struct v3_vm_info        *vm,
     for (i=0;i<vm->mem_map.num_base_regions;i++) {
        mem->region[i].host_paddr =  (void*)(vm->mem_map.base_regions[i].host_addr);
        mem->region[i].size = v3_mem_block_size;
+#ifdef V3_CONFIG_SWAPPING
+       mem->region[i].swapped = vm->mem_map.base_regions[i].flags.swapped;
+       mem->region[i].pinned = vm->mem_map.base_regions[i].flags.pinned;
+#else
+       mem->region[i].swapped = 0;
+       mem->region[i].pinned = 0;
+#endif
+
     }
 
     mem->num_regions=numregions;