palacios/include/geekos/vmm.h

   1 #ifndef __VMM_H
   2 #define __VMM_H
   3
   4
   5 #include <geekos/ktypes.h>
   6 #include <geekos/string.h>
   7
   8 #include <geekos/vmm_mem.h>
   9
  10
  11 /* utility definitions */
  12 #define PrintDebug(fmt, args...)                        \
  13   do {                                                  \
  14     extern struct vmm_os_hooks * os_hooks;              \
  15     if ((os_hooks) && (os_hooks)->print_debug) {        \
  16       (os_hooks)->print_debug((fmt), ##args);           \
  17     }                                                   \
  18   } while (0)                                           \
  19
  20
  21
  22 #define PrintInfo(fmt, args...)                         \
  23   do {                                                  \
  24     extern struct vmm_os_hooks * os_hooks;              \
  25     if ((os_hooks) && (os_hooks)->print_info) {         \
  26       (os_hooks)->print_info((fmt), ##args);            \
  27     }                                                   \
  28   } while (0)                                           \
  29
  30
  31 #define PrintTrace(fmt, args...)                        \
  32   do {                                                  \
  33     extern struct vmm_os_hooks * os_hooks;              \
  34     if ((os_hooks) && (os_hooks)->print_trace) {        \
  35       (os_hooks)->print_trace((fmt), ##args);           \
  36     }                                                   \
  37   } while (0)                                           \
  38
  39
  40 /* ** */
  41
  42
  43 #define VMM_INVALID_CPU 0
  44 #define VMM_VMX_CPU 1
  45 #define VMM_SVM_CPU 2
  46
  47
  48
  49 typedef struct guest_info {
  50   ullong_t rip;
  51   ullong_t rsp;
  52
  53   vmm_mem_map_t mem_map;
  54   // preallocation map
  55   // device_map
  56
  57   void * vmm_data;
  58 } guest_info_t;
  59
  60
  61
  62 /* We need a memory map and an IO device map */
  63
  64 /* This will contain function pointers that provide OS services */
  65 struct vmm_os_hooks {
  66   void (*print_info)(const char * format, ...);
  67   void (*print_debug)(const char * format, ...);
  68   void (*print_trace)(const char * format, ...);
  69
  70   void *(*Allocate_Pages)(int numPages);
  71   void (*Free_Page)(void * page);
  72
  73   void *(*malloc)(uint_t size);
  74   void (*free)(void * addr);
  75
  76
  77   void (*start_kernel_thread)(); // include pointer to function
  78 };
  79
  80
  81
  82
  83 /* This will contain Function pointers that control the VMs */
  84 struct vmm_ctrl_ops {
  85   int (*init_guest)(struct guest_info* info);
  86   int (*start_guest)(struct guest_info * info);
  87   //  int (*stop_vm)(uint_t vm_id);
  88 };
  89
  90
  91
  92
  93
  94
  95
  96 void Init_VMM(struct vmm_os_hooks * hooks, struct vmm_ctrl_ops * vmm_ops);
  97
  98
  99
 100
 101
 102 #endif