target-ppc/kvm_ppc.h

   1 /*
   2  * Copyright 2008 IBM Corporation.
   3  * Authors: Hollis Blanchard <hollisb@us.ibm.com>
   4  *
   5  * This work is licensed under the GNU GPL license version 2 or later.
   6  *
   7  */
   8
   9 #ifndef __KVM_PPC_H__
  10 #define __KVM_PPC_H__
  11
  12 #include "memory.h"
  13
  14 void kvmppc_init(void);
  15
  16 #ifdef CONFIG_KVM
  17
  18 uint32_t kvmppc_get_tbfreq(void);
  19 uint64_t kvmppc_get_clockfreq(void);
  20 uint32_t kvmppc_get_vmx(void);
  21 uint32_t kvmppc_get_dfp(void);
  22 int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len);
  23 int kvmppc_set_interrupt(CPUState *env, int irq, int level);
  24 void kvmppc_set_papr(CPUState *env);
  25 int kvmppc_smt_threads(void);
  26 off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem);
  27 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd);
  28 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  29 const ppc_def_t *kvmppc_host_cpu_def(void);
  30
  31 #else
  32
  33 static inline uint32_t kvmppc_get_tbfreq(void)
  34 {
  35     return 0;
  36 }
  37
  38 static inline uint64_t kvmppc_get_clockfreq(void)
  39 {
  40     return 0;
  41 }
  42
  43 static inline uint32_t kvmppc_get_vmx(void)
  44 {
  45     return 0;
  46 }
  47
  48 static inline uint32_t kvmppc_get_dfp(void)
  49 {
  50     return 0;
  51 }
  52
  53 static inline int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len)
  54 {
  55     return -1;
  56 }
  57
  58 static inline int kvmppc_set_interrupt(CPUState *env, int irq, int level)
  59 {
  60     return -1;
  61 }
  62
  63 static inline void kvmppc_set_papr(CPUState *env)
  64 {
  65 }
  66
  67 static inline int kvmppc_smt_threads(void)
  68 {
  69     return 1;
  70 }
  71
  72 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
  73 {
  74     return 0;
  75 }
  76
  77 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
  78                                             uint32_t window_size, int *fd)
  79 {
  80     return NULL;
  81 }
  82
  83 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
  84                                           uint32_t window_size)
  85 {
  86     return -1;
  87 }
  88
  89 static inline const ppc_def_t *kvmppc_host_cpu_def(void)
  90 {
  91     return NULL;
  92 }
  93
  94 #endif
  95
  96 #ifndef CONFIG_KVM
  97 #define kvmppc_eieio() do { } while (0)
  98 #else
  99 #define kvmppc_eieio() \
 100     do {                                          \
 101         if (kvm_enabled()) {                          \
 102             asm volatile("eieio" : : : "memory"); \
 103         } \
 104     } while (0)
 105 #endif
 106
 107 #ifndef KVM_INTERRUPT_SET
 108 #define KVM_INTERRUPT_SET -1
 109 #endif
 110
 111 #ifndef KVM_INTERRUPT_UNSET
 112 #define KVM_INTERRUPT_UNSET -2
 113 #endif
 114
 115 #ifndef KVM_INTERRUPT_SET_LEVEL
 116 #define KVM_INTERRUPT_SET_LEVEL -3
 117 #endif
 118
 119 #endif /* __KVM_PPC_H__ */