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 "exec/memory.h"
  13
  14 #define TYPE_HOST_POWERPC_CPU "host-" TYPE_POWERPC_CPU
  15
  16 void kvmppc_init(void);
  17
  18 #ifdef CONFIG_KVM
  19
  20 uint32_t kvmppc_get_tbfreq(void);
  21 uint64_t kvmppc_get_clockfreq(void);
  22 uint32_t kvmppc_get_vmx(void);
  23 uint32_t kvmppc_get_dfp(void);
  24 int kvmppc_get_hasidle(CPUPPCState *env);
  25 int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len);
  26 int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level);
  27 void kvmppc_set_papr(PowerPCCPU *cpu);
  28 int kvmppc_smt_threads(void);
  29 #ifndef CONFIG_USER_ONLY
  30 off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem);
  31 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd);
  32 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  33 int kvmppc_reset_htab(int shift_hint);
  34 uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift);
  35 #endif /* !CONFIG_USER_ONLY */
  36 int kvmppc_fixup_cpu(PowerPCCPU *cpu);
  37
  38 #else
  39
  40 static inline uint32_t kvmppc_get_tbfreq(void)
  41 {
  42     return 0;
  43 }
  44
  45 static inline uint64_t kvmppc_get_clockfreq(void)
  46 {
  47     return 0;
  48 }
  49
  50 static inline uint32_t kvmppc_get_vmx(void)
  51 {
  52     return 0;
  53 }
  54
  55 static inline uint32_t kvmppc_get_dfp(void)
  56 {
  57     return 0;
  58 }
  59
  60 static inline int kvmppc_get_hasidle(CPUPPCState *env)
  61 {
  62     return 0;
  63 }
  64
  65 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
  66 {
  67     return -1;
  68 }
  69
  70 static inline int kvmppc_read_segment_page_sizes(uint32_t *prop, int maxcells)
  71 {
  72     return -1;
  73 }
  74
  75 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
  76 {
  77     return -1;
  78 }
  79
  80 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
  81 {
  82 }
  83
  84 static inline int kvmppc_smt_threads(void)
  85 {
  86     return 1;
  87 }
  88
  89 #ifndef CONFIG_USER_ONLY
  90 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
  91 {
  92     return 0;
  93 }
  94
  95 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
  96                                             uint32_t window_size, int *fd)
  97 {
  98     return NULL;
  99 }
 100
 101 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 102                                           uint32_t window_size)
 103 {
 104     return -1;
 105 }
 106
 107 static inline int kvmppc_reset_htab(int shift_hint)
 108 {
 109     return -1;
 110 }
 111
 112 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 113                                        unsigned int hash_shift)
 114 {
 115     return ram_size;
 116 }
 117
 118 static inline int kvmppc_update_sdr1(CPUPPCState *env)
 119 {
 120     return 0;
 121 }
 122
 123 #endif /* !CONFIG_USER_ONLY */
 124
 125 static inline int kvmppc_fixup_cpu(PowerPCCPU *cpu)
 126 {
 127     return -1;
 128 }
 129 #endif
 130
 131 #ifndef CONFIG_KVM
 132 #define kvmppc_eieio() do { } while (0)
 133 #else
 134 #define kvmppc_eieio() \
 135     do {                                          \
 136         if (kvm_enabled()) {                          \
 137             asm volatile("eieio" : : : "memory"); \
 138         } \
 139     } while (0)
 140 #endif
 141
 142 #ifndef KVM_INTERRUPT_SET
 143 #define KVM_INTERRUPT_SET -1
 144 #endif
 145
 146 #ifndef KVM_INTERRUPT_UNSET
 147 #define KVM_INTERRUPT_UNSET -2
 148 #endif
 149
 150 #ifndef KVM_INTERRUPT_SET_LEVEL
 151 #define KVM_INTERRUPT_SET_LEVEL -3
 152 #endif
 153
 154 #endif /* __KVM_PPC_H__ */