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 #define TYPE_HOST_POWERPC_CPU "host-" TYPE_POWERPC_CPU
  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_hasidle(CPUPPCState *env);
  23 int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len);
  24 int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level);
  25 void kvmppc_set_papr(PowerPCCPU *cpu);
  26 void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
  27 int kvmppc_smt_threads(void);
  28 int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
  29 int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
  30 int kvmppc_set_tcr(PowerPCCPU *cpu);
  31 int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu);
  32 #ifndef CONFIG_USER_ONLY
  33 off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem);
  34 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd);
  35 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  36 int kvmppc_reset_htab(int shift_hint);
  37 uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift);
  38 #endif /* !CONFIG_USER_ONLY */
  39 int kvmppc_fixup_cpu(PowerPCCPU *cpu);
  40 bool kvmppc_has_cap_epr(void);
  41 int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function);
  42 int kvmppc_get_htab_fd(bool write);
  43 int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns);
  44 int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
  45                            uint16_t n_valid, uint16_t n_invalid);
  46
  47 #else
  48
  49 static inline uint32_t kvmppc_get_tbfreq(void)
  50 {
  51     return 0;
  52 }
  53
  54 static inline uint64_t kvmppc_get_clockfreq(void)
  55 {
  56     return 0;
  57 }
  58
  59 static inline uint32_t kvmppc_get_vmx(void)
  60 {
  61     return 0;
  62 }
  63
  64 static inline uint32_t kvmppc_get_dfp(void)
  65 {
  66     return 0;
  67 }
  68
  69 static inline int kvmppc_get_hasidle(CPUPPCState *env)
  70 {
  71     return 0;
  72 }
  73
  74 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
  75 {
  76     return -1;
  77 }
  78
  79 static inline int kvmppc_read_segment_page_sizes(uint32_t *prop, int maxcells)
  80 {
  81     return -1;
  82 }
  83
  84 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
  85 {
  86     return -1;
  87 }
  88
  89 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
  90 {
  91 }
  92
  93 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
  94 {
  95 }
  96
  97 static inline int kvmppc_smt_threads(void)
  98 {
  99     return 1;
 100 }
 101
 102 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 103 {
 104     return 0;
 105 }
 106
 107 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 108 {
 109     return 0;
 110 }
 111
 112 static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
 113 {
 114     return 0;
 115 }
 116
 117 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
 118 {
 119     return -1;
 120 }
 121
 122 #ifndef CONFIG_USER_ONLY
 123 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
 124 {
 125     return 0;
 126 }
 127
 128 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
 129                                             uint32_t window_size, int *fd)
 130 {
 131     return NULL;
 132 }
 133
 134 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 135                                           uint32_t window_size)
 136 {
 137     return -1;
 138 }
 139
 140 static inline int kvmppc_reset_htab(int shift_hint)
 141 {
 142     return -1;
 143 }
 144
 145 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 146                                        unsigned int hash_shift)
 147 {
 148     return ram_size;
 149 }
 150
 151 static inline int kvmppc_update_sdr1(CPUPPCState *env)
 152 {
 153     return 0;
 154 }
 155
 156 #endif /* !CONFIG_USER_ONLY */
 157
 158 static inline int kvmppc_fixup_cpu(PowerPCCPU *cpu)
 159 {
 160     return -1;
 161 }
 162
 163 static inline bool kvmppc_has_cap_epr(void)
 164 {
 165     return false;
 166 }
 167
 168 static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
 169                                                   const char *function)
 170 {
 171     return -1;
 172 }
 173
 174 static inline int kvmppc_get_htab_fd(bool write)
 175 {
 176     return -1;
 177 }
 178
 179 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
 180                                    int64_t max_ns)
 181 {
 182     abort();
 183 }
 184
 185 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
 186                                          uint16_t n_valid, uint16_t n_invalid)
 187 {
 188     abort();
 189 }
 190
 191 #endif
 192
 193 #ifndef CONFIG_KVM
 194 #define kvmppc_eieio() do { } while (0)
 195 #else
 196 #define kvmppc_eieio() \
 197     do {                                          \
 198         if (kvm_enabled()) {                          \
 199             asm volatile("eieio" : : : "memory"); \
 200         } \
 201     } while (0)
 202 #endif
 203
 204 #ifndef KVM_INTERRUPT_SET
 205 #define KVM_INTERRUPT_SET -1
 206 #endif
 207
 208 #ifndef KVM_INTERRUPT_UNSET
 209 #define KVM_INTERRUPT_UNSET -2
 210 #endif
 211
 212 #ifndef KVM_INTERRUPT_SET_LEVEL
 213 #define KVM_INTERRUPT_SET_LEVEL -3
 214 #endif
 215
 216 #endif /* __KVM_PPC_H__ */