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 int kvmppc_reset_htab(int shift_hint);
  31 uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift);
  32 #endif /* !CONFIG_USER_ONLY */
  33 const ppc_def_t *kvmppc_host_cpu_def(void);
  34 int kvmppc_fixup_cpu(CPUPPCState *env);
  35
  36 #else
  37
  38 static inline uint32_t kvmppc_get_tbfreq(void)
  39 {
  40     return 0;
  41 }
  42
  43 static inline uint64_t kvmppc_get_clockfreq(void)
  44 {
  45     return 0;
  46 }
  47
  48 static inline uint32_t kvmppc_get_vmx(void)
  49 {
  50     return 0;
  51 }
  52
  53 static inline uint32_t kvmppc_get_dfp(void)
  54 {
  55     return 0;
  56 }
  57
  58 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
  59 {
  60     return -1;
  61 }
  62
  63 static inline int kvmppc_read_segment_page_sizes(uint32_t *prop, int maxcells)
  64 {
  65     return -1;
  66 }
  67
  68 static inline int kvmppc_set_interrupt(CPUPPCState *env, int irq, int level)
  69 {
  70     return -1;
  71 }
  72
  73 static inline void kvmppc_set_papr(CPUPPCState *env)
  74 {
  75 }
  76
  77 static inline int kvmppc_smt_threads(void)
  78 {
  79     return 1;
  80 }
  81
  82 #ifndef CONFIG_USER_ONLY
  83 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
  84 {
  85     return 0;
  86 }
  87
  88 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
  89                                             uint32_t window_size, int *fd)
  90 {
  91     return NULL;
  92 }
  93
  94 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
  95                                           uint32_t window_size)
  96 {
  97     return -1;
  98 }
  99
 100 static inline int kvmppc_reset_htab(int shift_hint)
 101 {
 102     return -1;
 103 }
 104
 105 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 106                                        unsigned int hash_shift)
 107 {
 108     return ram_size;
 109 }
 110
 111 static inline int kvmppc_update_sdr1(CPUPPCState *env)
 112 {
 113     return 0;
 114 }
 115
 116 #endif /* !CONFIG_USER_ONLY */
 117
 118 static inline const ppc_def_t *kvmppc_host_cpu_def(void)
 119 {
 120     return NULL;
 121 }
 122
 123 static inline int kvmppc_fixup_cpu(CPUPPCState *env)
 124 {
 125     return -1;
 126 }
 127 #endif
 128
 129 #ifndef CONFIG_KVM
 130 #define kvmppc_eieio() do { } while (0)
 131 #else
 132 #define kvmppc_eieio() \
 133     do {                                          \
 134         if (kvm_enabled()) {                          \
 135             asm volatile("eieio" : : : "memory"); \
 136         } \
 137     } while (0)
 138 #endif
 139
 140 #ifndef KVM_INTERRUPT_SET
 141 #define KVM_INTERRUPT_SET -1
 142 #endif
 143
 144 #ifndef KVM_INTERRUPT_UNSET
 145 #define KVM_INTERRUPT_UNSET -2
 146 #endif
 147
 148 #ifndef KVM_INTERRUPT_SET_LEVEL
 149 #define KVM_INTERRUPT_SET_LEVEL -3
 150 #endif
 151
 152 #endif /* __KVM_PPC_H__ */