palacios/include/palacios/vmm.h

   1 #ifndef __VMM_H
   2 #define __VMM_H
   3
   4
   5 //#include <palacios/vmm_types.h>
   6 #include <palacios/vmm_string.h>
   7
   8 #include <palacios/vmm_mem.h>
   9 //#include <palacios/vmm_paging.h>
  10
  11 #include <palacios/vm_guest.h>
  12
  13 /* utility definitions */
  14 #define PrintDebug(fmt, args...)                        \
  15   do {                                                  \
  16     extern struct vmm_os_hooks * os_hooks;              \
  17     if ((os_hooks) && (os_hooks)->print_debug) {        \
  18       (os_hooks)->print_debug((fmt), ##args);           \
  19     }                                                   \
  20   } while (0)                                           \
  21
  22
  23
  24 #define PrintInfo(fmt, args...)                         \
  25   do {                                                  \
  26     extern struct vmm_os_hooks * os_hooks;              \
  27     if ((os_hooks) && (os_hooks)->print_info) {         \
  28       (os_hooks)->print_info((fmt), ##args);            \
  29     }                                                   \
  30   } while (0)                                           \
  31
  32
  33 #define PrintTrace(fmt, args...)                        \
  34   do {                                                  \
  35     extern struct vmm_os_hooks * os_hooks;              \
  36     if ((os_hooks) && (os_hooks)->print_trace) {        \
  37       (os_hooks)->print_trace((fmt), ##args);           \
  38     }                                                   \
  39   } while (0)                                           \
  40
  41
  42
  43
  44 /* This clearly won't work, we need some way to get a return value out of it */
  45 #define VMMMalloc(type, var, size)                      \
  46   do {                                                  \
  47     extern struct vmm_os_hooks * os_hooks;              \
  48     if ((os_hooks) && (os_hooks)->malloc) {             \
  49       var = (type)(os_hooks)->malloc(size);             \
  50     }                                                   \
  51   } while (0)                                           \
  52
  53
  54 // We need to check the hook structure at runtime to ensure its SAFE
  55 #define VMMFree(addr)                                   \
  56   do {                                                  \
  57     extern struct vmm_os_hooks * os_hooks;              \
  58     if ((os_hooks) && (os_hooks)->free) {               \
  59       (os_hooks)->free(addr);                           \
  60     }                                                   \
  61   } while (0)                                           \
  62
  63
  64 /* ** */
  65
  66 #define V3_ASSERT(x)                                                    \
  67   do {                                                                  \
  68     if (!(x)) {                                                         \
  69       PrintDebug("Failed assertion in %s: %s at %s, line %d, RA=%lx\n", \
  70                  __func__, #x, __FILE__, __LINE__,                      \
  71                  (ulong_t) __builtin_return_address(0));                \
  72       while(1);                                                         \
  73     }                                                                   \
  74   } while(0)                                                            \
  75
  76
  77 #define VMM_INVALID_CPU 0
  78 #define VMM_VMX_CPU 1
  79 #define VMM_SVM_CPU 2
  80
  81
  82
  83 /* This will contain function pointers that provide OS services */
  84 struct vmm_os_hooks {
  85   void (*print_info)(const char * format, ...);
  86   void (*print_debug)(const char * format, ...);
  87   void (*print_trace)(const char * format, ...);
  88
  89   void *(*allocate_pages)(int numPages);
  90   void (*free_page)(void * page);
  91
  92   void *(*malloc)(unsigned int size);
  93   void (*free)(void * addr);
  94
  95   void *(*paddr_to_vaddr)(void *addr);
  96   void *(*vaddr_to_paddr)(void *addr);
  97
  98   int (*hook_interrupt)(struct guest_info * info, int irq);
  99   int (*ack_irq)(int irq);
 100
 101   // Do we need this here?
 102   void (*snprintf)(char * dst, char * format, int len, ...);
 103
 104   void (*start_kernel_thread)(); // include pointer to function
 105 };
 106
 107
 108
 109 /* This will contain Function pointers that control the VMs */
 110 struct vmm_ctrl_ops {
 111   int (*init_guest)(struct guest_info* info);
 112   int (*start_guest)(struct guest_info * info);
 113   //  int (*stop_vm)(uint_t vm_id);
 114
 115
 116
 117 };
 118
 119
 120
 121
 122 void Init_VMM(struct vmm_os_hooks * hooks, struct vmm_ctrl_ops * vmm_ops);
 123
 124
 125
 126
 127
 128 #endif