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_read_segment_page_sizes(uint32_t *prop, int maxcells)
  62 {
  63     return -1;
  64 }
  65
  66 static inline int kvmppc_set_interrupt(CPUPPCState *env, int irq, int level)
  67 {
  68     return -1;
  69 }
  70
  71 static inline void kvmppc_set_papr(CPUPPCState *env)
  72 {
  73 }
  74
  75 static inline int kvmppc_smt_threads(void)
  76 {
  77     return 1;
  78 }
  79
  80 #ifndef CONFIG_USER_ONLY
  81 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
  82 {
  83     return 0;
  84 }
  85
  86 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
  87                                             uint32_t window_size, int *fd)
  88 {
  89     return NULL;
  90 }
  91
  92 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
  93                                           uint32_t window_size)
  94 {
  95     return -1;
  96 }
  97 #endif /* !CONFIG_USER_ONLY */
  98
  99 static inline const ppc_def_t *kvmppc_host_cpu_def(void)
 100 {
 101     return NULL;
 102 }
 103
 104 static inline int kvmppc_fixup_cpu(CPUPPCState *env)
 105 {
 106     return -1;
 107 }
 108 #endif
 109
 110 #ifndef CONFIG_KVM
 111 #define kvmppc_eieio() do { } while (0)
 112 #else
 113 #define kvmppc_eieio() \
 114     do {                                          \
 115         if (kvm_enabled()) {                          \
 116             asm volatile("eieio" : : : "memory"); \
 117         } \
 118     } while (0)
 119 #endif
 120
 121 #ifndef KVM_INTERRUPT_SET
 122 #define KVM_INTERRUPT_SET -1
 123 #endif
 124
 125 #ifndef KVM_INTERRUPT_UNSET
 126 #define KVM_INTERRUPT_UNSET -2
 127 #endif
 128
 129 #ifndef KVM_INTERRUPT_SET_LEVEL
 130 #define KVM_INTERRUPT_SET_LEVEL -3
 131 #endif
 132
 133 #endif /* __KVM_PPC_H__ */