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(CPUPPCState *env, uint8_t *buf, int buf_len);
  23 int kvmppc_set_interrupt(CPUPPCState *env, int irq, int level);
  24 void kvmppc_set_papr(CPUPPCState *env);
  25 int kvmppc_smt_threads(void);
  26 #ifndef CONFIG_USER_ONLY
  27 off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem);
  28 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd);
  29 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  30 #endif /* !CONFIG_USER_ONLY */
  31 const ppc_def_t *kvmppc_host_cpu_def(void);
  32 int kvmppc_fixup_cpu(CPUPPCState *env);
  33
  34 #else
  35
  36 static inline uint32_t kvmppc_get_tbfreq(void)
  37 {
  38     return 0;
  39 }
  40
  41 static inline uint64_t kvmppc_get_clockfreq(void)
  42 {
  43     return 0;
  44 }
  45
  46 static inline uint32_t kvmppc_get_vmx(void)
  47 {
  48     return 0;
  49 }
  50
  51 static inline uint32_t kvmppc_get_dfp(void)
  52 {
  53     return 0;
  54 }
  55
  56 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
  57 {
  58     return -1;
  59 }
  60
  61 static inline int kvmppc_set_interrupt(CPUPPCState *env, int irq, int level)
  62 {
  63     return -1;
  64 }
  65
  66 static inline void kvmppc_set_papr(CPUPPCState *env)
  67 {
  68 }
  69
  70 static inline int kvmppc_smt_threads(void)
  71 {
  72     return 1;
  73 }
  74
  75 #ifndef CONFIG_USER_ONLY
  76 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
  77 {
  78     return 0;
  79 }
  80
  81 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
  82                                             uint32_t window_size, int *fd)
  83 {
  84     return NULL;
  85 }
  86
  87 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
  88                                           uint32_t window_size)
  89 {
  90     return -1;
  91 }
  92 #endif /* !CONFIG_USER_ONLY */
  93
  94 static inline const ppc_def_t *kvmppc_host_cpu_def(void)
  95 {
  96     return NULL;
  97 }
  98
  99 static inline int kvmppc_fixup_cpu(CPUPPCState *env)
 100 {
 101     return -1;
 102 }
 103 #endif
 104
 105 #ifndef CONFIG_KVM
 106 #define kvmppc_eieio() do { } while (0)
 107 #else
 108 #define kvmppc_eieio() \
 109     do {                                          \
 110         if (kvm_enabled()) {                          \
 111             asm volatile("eieio" : : : "memory"); \
 112         } \
 113     } while (0)
 114 #endif
 115
 116 #ifndef KVM_INTERRUPT_SET
 117 #define KVM_INTERRUPT_SET -1
 118 #endif
 119
 120 #ifndef KVM_INTERRUPT_UNSET
 121 #define KVM_INTERRUPT_UNSET -2
 122 #endif
 123
 124 #ifndef KVM_INTERRUPT_SET_LEVEL
 125 #define KVM_INTERRUPT_SET_LEVEL -3
 126 #endif
 127
 128 #endif /* __KVM_PPC_H__ */