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 #ifdef CONFIG_KVM
  15
  16 uint32_t kvmppc_get_tbfreq(void);
  17 uint64_t kvmppc_get_clockfreq(void);
  18 uint32_t kvmppc_get_vmx(void);
  19 uint32_t kvmppc_get_dfp(void);
  20 bool kvmppc_get_host_model(char **buf);
  21 bool kvmppc_get_host_serial(char **buf);
  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_enable_logical_ci_hcalls(void);
  26 void kvmppc_enable_set_mode_hcall(void);
  27 void kvmppc_enable_clear_ref_mod_hcalls(void);
  28 void kvmppc_set_papr(PowerPCCPU *cpu);
  29 int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version);
  30 void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
  31 int kvmppc_smt_threads(void);
  32 int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
  33 int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
  34 int kvmppc_set_tcr(PowerPCCPU *cpu);
  35 int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu);
  36 #ifndef CONFIG_USER_ONLY
  37 off_t kvmppc_alloc_rma(void **rma);
  38 bool kvmppc_spapr_use_multitce(void);
  39 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd,
  40                               bool need_vfio);
  41 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  42 int kvmppc_reset_htab(int shift_hint);
  43 uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift);
  44 #endif /* !CONFIG_USER_ONLY */
  45 bool kvmppc_has_cap_epr(void);
  46 int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function);
  47 bool kvmppc_has_cap_htab_fd(void);
  48 int kvmppc_get_htab_fd(bool write);
  49 int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns);
  50 int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
  51                            uint16_t n_valid, uint16_t n_invalid);
  52 uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu, target_ulong pte_index);
  53 void kvmppc_hash64_free_pteg(uint64_t token);
  54
  55 void kvmppc_hash64_write_pte(CPUPPCState *env, target_ulong pte_index,
  56                              target_ulong pte0, target_ulong pte1);
  57 bool kvmppc_has_cap_fixup_hcalls(void);
  58 bool kvmppc_has_cap_htm(void);
  59 int kvmppc_enable_hwrng(void);
  60 int kvmppc_put_books_sregs(PowerPCCPU *cpu);
  61 PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void);
  62
  63 #else
  64
  65 static inline uint32_t kvmppc_get_tbfreq(void)
  66 {
  67     return 0;
  68 }
  69
  70 static inline bool kvmppc_get_host_model(char **buf)
  71 {
  72     return false;
  73 }
  74
  75 static inline bool kvmppc_get_host_serial(char **buf)
  76 {
  77     return false;
  78 }
  79
  80 static inline uint64_t kvmppc_get_clockfreq(void)
  81 {
  82     return 0;
  83 }
  84
  85 static inline uint32_t kvmppc_get_vmx(void)
  86 {
  87     return 0;
  88 }
  89
  90 static inline uint32_t kvmppc_get_dfp(void)
  91 {
  92     return 0;
  93 }
  94
  95 static inline int kvmppc_get_hasidle(CPUPPCState *env)
  96 {
  97     return 0;
  98 }
  99
 100 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
 101 {
 102     return -1;
 103 }
 104
 105 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
 106 {
 107     return -1;
 108 }
 109
 110 static inline void kvmppc_enable_logical_ci_hcalls(void)
 111 {
 112 }
 113
 114 static inline void kvmppc_enable_set_mode_hcall(void)
 115 {
 116 }
 117
 118 static inline void kvmppc_enable_clear_ref_mod_hcalls(void)
 119 {
 120 }
 121
 122 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
 123 {
 124 }
 125
 126 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version)
 127 {
 128     return 0;
 129 }
 130
 131 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
 132 {
 133 }
 134
 135 static inline int kvmppc_smt_threads(void)
 136 {
 137     return 1;
 138 }
 139
 140 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 141 {
 142     return 0;
 143 }
 144
 145 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 146 {
 147     return 0;
 148 }
 149
 150 static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
 151 {
 152     return 0;
 153 }
 154
 155 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
 156 {
 157     return -1;
 158 }
 159
 160 #ifndef CONFIG_USER_ONLY
 161 static inline off_t kvmppc_alloc_rma(void **rma)
 162 {
 163     return 0;
 164 }
 165
 166 static inline bool kvmppc_spapr_use_multitce(void)
 167 {
 168     return false;
 169 }
 170
 171 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
 172                                             uint32_t window_size, int *fd,
 173                                             bool need_vfio)
 174 {
 175     return NULL;
 176 }
 177
 178 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 179                                           uint32_t nb_table)
 180 {
 181     return -1;
 182 }
 183
 184 static inline int kvmppc_reset_htab(int shift_hint)
 185 {
 186     return 0;
 187 }
 188
 189 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 190                                        unsigned int hash_shift)
 191 {
 192     return ram_size;
 193 }
 194
 195 #endif /* !CONFIG_USER_ONLY */
 196
 197 static inline bool kvmppc_has_cap_epr(void)
 198 {
 199     return false;
 200 }
 201
 202 static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
 203                                                   const char *function)
 204 {
 205     return -1;
 206 }
 207
 208 static inline bool kvmppc_has_cap_htab_fd(void)
 209 {
 210     return false;
 211 }
 212
 213 static inline int kvmppc_get_htab_fd(bool write)
 214 {
 215     return -1;
 216 }
 217
 218 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
 219                                    int64_t max_ns)
 220 {
 221     abort();
 222 }
 223
 224 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
 225                                          uint16_t n_valid, uint16_t n_invalid)
 226 {
 227     abort();
 228 }
 229
 230 static inline uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu,
 231                                                target_ulong pte_index)
 232 {
 233     abort();
 234 }
 235
 236 static inline void kvmppc_hash64_free_pteg(uint64_t token)
 237 {
 238     abort();
 239 }
 240
 241 static inline void kvmppc_hash64_write_pte(CPUPPCState *env,
 242                                            target_ulong pte_index,
 243                                            target_ulong pte0, target_ulong pte1)
 244 {
 245     abort();
 246 }
 247
 248 static inline bool kvmppc_has_cap_fixup_hcalls(void)
 249 {
 250     abort();
 251 }
 252
 253 static inline bool kvmppc_has_cap_htm(void)
 254 {
 255     return false;
 256 }
 257
 258 static inline int kvmppc_enable_hwrng(void)
 259 {
 260     return -1;
 261 }
 262
 263 static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu)
 264 {
 265     abort();
 266 }
 267
 268 static inline PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void)
 269 {
 270     return NULL;
 271 }
 272
 273 #endif
 274
 275 #ifndef CONFIG_KVM
 276
 277 #define kvmppc_eieio() do { } while (0)
 278
 279 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 280 {
 281 }
 282
 283 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 284 {
 285 }
 286
 287 #else   /* CONFIG_KVM */
 288
 289 #define kvmppc_eieio() \
 290     do {                                          \
 291         if (kvm_enabled()) {                          \
 292             asm volatile("eieio" : : : "memory"); \
 293         } \
 294     } while (0)
 295
 296 /* Store data cache blocks back to memory */
 297 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 298 {
 299     uint8_t *p;
 300
 301     for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) {
 302         asm volatile("dcbst 0,%0" : : "r"(p) : "memory");
 303     }
 304 }
 305
 306 /* Invalidate instruction cache blocks */
 307 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 308 {
 309     uint8_t *p;
 310
 311     for (p = addr; p < addr + len; p += cpu->env.icache_line_size) {
 312         asm volatile("icbi 0,%0" : : "r"(p));
 313     }
 314 }
 315
 316 #endif  /* CONFIG_KVM */
 317
 318 #ifndef KVM_INTERRUPT_SET
 319 #define KVM_INTERRUPT_SET -1
 320 #endif
 321
 322 #ifndef KVM_INTERRUPT_UNSET
 323 #define KVM_INTERRUPT_UNSET -2
 324 #endif
 325
 326 #ifndef KVM_INTERRUPT_SET_LEVEL
 327 #define KVM_INTERRUPT_SET_LEVEL -3
 328 #endif
 329
 330 #endif /* KVM_PPC_H */