palacios/include/palacios/vmm.h

   1 #ifndef __VMM_H
   2 #define __VMM_H
   3
   4
   5 #include <palacios/vm_guest.h>
   6 #include <palacios/vmm_mem.h>
   7
   8 #ifdef __V3VEE__
   9
  10 //#include <palacios/vmm_types.h>
  11 #include <palacios/vmm_string.h>
  12
  13
  14 //#include <palacios/vmm_paging.h>
  15
  16 /* utility definitions */
  17 #define PrintDebug(fmt, args...)                        \
  18   do {                                                  \
  19     extern struct vmm_os_hooks * os_hooks;              \
  20     if ((os_hooks) && (os_hooks)->print_debug) {        \
  21       (os_hooks)->print_debug((fmt), ##args);           \
  22     }                                                   \
  23   } while (0)                                           \
  24
  25
  26
  27 #define PrintInfo(fmt, args...)                         \
  28   do {                                                  \
  29     extern struct vmm_os_hooks * os_hooks;              \
  30     if ((os_hooks) && (os_hooks)->print_info) {         \
  31       (os_hooks)->print_info((fmt), ##args);            \
  32     }                                                   \
  33   } while (0)                                           \
  34
  35
  36 #define PrintTrace(fmt, args...)                        \
  37   do {                                                  \
  38     extern struct vmm_os_hooks * os_hooks;              \
  39     if ((os_hooks) && (os_hooks)->print_trace) {        \
  40       (os_hooks)->print_trace((fmt), ##args);           \
  41     }                                                   \
  42   } while (0)                                           \
  43
  44
  45
  46 #define V3_AllocPages(ptr, num_pages)                   \
  47   do {                                                  \
  48     extern struct vmm_os_hooks * os_hooks;              \
  49     ptr = 0;                                            \
  50     if ((os_hooks) && (os_hooks)->allocate_pages) {     \
  51       ptr = (os_hooks)->allocate_pages(num_pages);      \
  52     }                                                   \
  53   } while (0)                                           \
  54
  55
  56 /*
  57 #define V3_Malloc(type, var, size)                      \
  58   do {                                                  \
  59     extern struct vmm_os_hooks * os_hooks;              \
  60     var = 0;                                            \
  61     if ((os_hooks) && (os_hooks)->malloc) {             \
  62       var = (type)(os_hooks)->malloc(size);             \
  63     }                                                   \
  64   } while (0)                                           \
  65 */
  66
  67 #define V3_Malloc(size) ({                      \
  68       extern struct vmm_os_hooks * os_hooks;    \
  69       void * var = 0;                           \
  70       if ((os_hooks) && (os_hooks)->malloc) {   \
  71         var = (os_hooks)->malloc(size);         \
  72       }                                         \
  73       var;                                      \
  74     })
  75
  76 // We need to check the hook structure at runtime to ensure its SAFE
  77 #define V3_Free(addr)                                   \
  78   do {                                                  \
  79     extern struct vmm_os_hooks * os_hooks;              \
  80     if ((os_hooks) && (os_hooks)->free) {               \
  81       (os_hooks)->free(addr);                           \
  82     }                                                   \
  83   } while (0)                                           \
  84
  85 #define V3_CPU_KHZ()                                    \
  86   ({                                                    \
  87     unsigned int khz = 0;                               \
  88     extern struct vmm_os_hooks * os_hooks;              \
  89     if ((os_hooks) && (os_hooks)->get_cpu_khz) {        \
  90       khz = (os_hooks)->get_cpu_khz();                  \
  91     }                                                   \
  92     khz;                                                \
  93   })                                                    \
  94
  95
  96 /* ** */
  97
  98 #define V3_ASSERT(x)                                                    \
  99   do {                                                                  \
 100     if (!(x)) {                                                         \
 101       PrintDebug("Failed assertion in %s: %s at %s, line %d, RA=%lx\n", \
 102                  __func__, #x, __FILE__, __LINE__,                      \
 103                  (ulong_t) __builtin_return_address(0));                \
 104       while(1);                                                         \
 105     }                                                                   \
 106   } while(0)                                                            \
 107
 108
 109 #define VMM_INVALID_CPU 0
 110 #define VMM_VMX_CPU 1
 111 #define VMM_SVM_CPU 2
 112
 113 #endif //!__V3VEE__
 114
 115
 116 /* This will contain function pointers that provide OS services */
 117 struct vmm_os_hooks {
 118   void (*print_info)(const char * format, ...);
 119   void (*print_debug)(const char * format, ...);
 120   void (*print_trace)(const char * format, ...);
 121
 122   void *(*allocate_pages)(int numPages);
 123   void (*free_page)(void * page);
 124
 125   void *(*malloc)(unsigned int size);
 126   void (*free)(void * addr);
 127
 128   void *(*paddr_to_vaddr)(void *addr);
 129   void *(*vaddr_to_paddr)(void *addr);
 130
 131   int (*hook_interrupt)(struct guest_info * info, int irq);
 132   int (*ack_irq)(int irq);
 133
 134
 135   unsigned int (*get_cpu_khz)();
 136
 137   // Do we need this here?
 138   //  void (*snprintf)(char * dst, char * format, int len, ...);
 139
 140
 141
 142   void (*start_kernel_thread)(); // include pointer to function
 143 };
 144
 145
 146
 147 /* This will contain Function pointers that control the VMs */
 148 struct vmm_ctrl_ops {
 149   int (*init_guest)(struct guest_info* info);
 150   int (*start_guest)(struct guest_info * info);
 151   //  int (*stop_vm)(uint_t vm_id);
 152
 153
 154
 155 };
 156
 157
 158
 159
 160 void Init_VMM(struct vmm_os_hooks * hooks, struct vmm_ctrl_ops * vmm_ops);
 161
 162
 163
 164
 165
 166 #endif