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 "sysemu/kvm.h"
  13 #include "exec/hwaddr.h"
  14 #include "cpu.h"
  15
  16 #ifdef CONFIG_USER_ONLY
  17 #error Cannot include kvm_ppc.h from user emulation
  18 #endif
  19
  20 #ifdef CONFIG_KVM
  21
  22 uint32_t kvmppc_get_tbfreq(void);
  23 uint64_t kvmppc_get_clockfreq(void);
  24 bool kvmppc_get_host_model(char **buf);
  25 bool kvmppc_get_host_serial(char **buf);
  26 int kvmppc_get_hasidle(CPUPPCState *env);
  27 int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len);
  28 int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level);
  29 void kvmppc_enable_logical_ci_hcalls(void);
  30 void kvmppc_enable_set_mode_hcall(void);
  31 void kvmppc_enable_clear_ref_mod_hcalls(void);
  32 void kvmppc_enable_h_page_init(void);
  33 void kvmppc_enable_h_rpt_invalidate(void);
  34 void kvmppc_set_papr(PowerPCCPU *cpu);
  35 int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr);
  36 void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
  37 bool kvmppc_get_fwnmi(void);
  38 int kvmppc_set_fwnmi(PowerPCCPU *cpu);
  39 int kvmppc_smt_threads(void);
  40 void kvmppc_error_append_smt_possible_hint(Error *const *errp);
  41 int kvmppc_set_smt_threads(int smt);
  42 int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
  43 int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
  44 int kvmppc_set_tcr(PowerPCCPU *cpu);
  45 int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu);
  46 target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu,
  47                                      bool radix, bool gtse,
  48                                      uint64_t proc_tbl);
  49 bool kvmppc_spapr_use_multitce(void);
  50 int kvmppc_spapr_enable_inkernel_multitce(void);
  51 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
  52                               uint64_t bus_offset, uint32_t nb_table,
  53                               int *pfd, bool need_vfio);
  54 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  55 int kvmppc_reset_htab(int shift_hint);
  56 uint64_t kvmppc_vrma_limit(unsigned int hash_shift);
  57 bool kvmppc_has_cap_spapr_vfio(void);
  58 bool kvmppc_has_cap_epr(void);
  59 int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function);
  60 int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp);
  61 int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns);
  62 int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
  63                            uint16_t n_valid, uint16_t n_invalid, Error **errp);
  64 void kvmppc_read_hptes(ppc_hash_pte64_t *hptes, hwaddr ptex, int n);
  65 void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1);
  66 bool kvmppc_has_cap_fixup_hcalls(void);
  67 bool kvmppc_has_cap_htm(void);
  68 bool kvmppc_has_cap_mmu_radix(void);
  69 bool kvmppc_has_cap_mmu_hash_v3(void);
  70 bool kvmppc_has_cap_xive(void);
  71 int kvmppc_get_cap_safe_cache(void);
  72 int kvmppc_get_cap_safe_bounds_check(void);
  73 int kvmppc_get_cap_safe_indirect_branch(void);
  74 int kvmppc_get_cap_count_cache_flush_assist(void);
  75 bool kvmppc_has_cap_nested_kvm_hv(void);
  76 int kvmppc_set_cap_nested_kvm_hv(int enable);
  77 int kvmppc_get_cap_large_decr(void);
  78 int kvmppc_enable_cap_large_decr(PowerPCCPU *cpu, int enable);
  79 int kvmppc_has_cap_rpt_invalidate(void);
  80 bool kvmppc_supports_ail_3(void);
  81 int kvmppc_enable_hwrng(void);
  82 int kvmppc_put_books_sregs(PowerPCCPU *cpu);
  83 PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void);
  84 void kvmppc_check_papr_resize_hpt(Error **errp);
  85 int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, target_ulong flags, int shift);
  86 int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, target_ulong flags, int shift);
  87 bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu);
  88
  89 bool kvmppc_hpt_needs_host_contiguous_pages(void);
  90 void kvm_check_mmu(PowerPCCPU *cpu, Error **errp);
  91 void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, unsigned int online);
  92 void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset);
  93
  94 int kvm_handle_nmi(PowerPCCPU *cpu, struct kvm_run *run);
  95
  96 #define kvmppc_eieio() \
  97     do {                                          \
  98         if (kvm_enabled()) {                          \
  99             asm volatile("eieio" : : : "memory"); \
 100         } \
 101     } while (0)
 102
 103 /* Store data cache blocks back to memory */
 104 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 105 {
 106     uint8_t *p;
 107
 108     for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) {
 109         asm volatile("dcbst 0,%0" : : "r"(p) : "memory");
 110     }
 111 }
 112
 113 /* Invalidate instruction cache blocks */
 114 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 115 {
 116     uint8_t *p;
 117
 118     for (p = addr; p < addr + len; p += cpu->env.icache_line_size) {
 119         asm volatile("icbi 0,%0" : : "r"(p));
 120     }
 121 }
 122
 123 #else /* !CONFIG_KVM */
 124
 125 static inline uint32_t kvmppc_get_tbfreq(void)
 126 {
 127     return 0;
 128 }
 129
 130 static inline bool kvmppc_get_host_model(char **buf)
 131 {
 132     return false;
 133 }
 134
 135 static inline bool kvmppc_get_host_serial(char **buf)
 136 {
 137     return false;
 138 }
 139
 140 static inline uint64_t kvmppc_get_clockfreq(void)
 141 {
 142     return 0;
 143 }
 144
 145 static inline uint32_t kvmppc_get_vmx(void)
 146 {
 147     return 0;
 148 }
 149
 150 static inline uint32_t kvmppc_get_dfp(void)
 151 {
 152     return 0;
 153 }
 154
 155 static inline int kvmppc_get_hasidle(CPUPPCState *env)
 156 {
 157     return 0;
 158 }
 159
 160 static inline int kvmppc_get_hypercall(CPUPPCState *env,
 161                                        uint8_t *buf, int buf_len)
 162 {
 163     return -1;
 164 }
 165
 166 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
 167 {
 168     return -1;
 169 }
 170
 171 static inline void kvmppc_enable_logical_ci_hcalls(void)
 172 {
 173 }
 174
 175 static inline void kvmppc_enable_set_mode_hcall(void)
 176 {
 177 }
 178
 179 static inline void kvmppc_enable_clear_ref_mod_hcalls(void)
 180 {
 181 }
 182
 183 static inline void kvmppc_enable_h_page_init(void)
 184 {
 185 }
 186
 187 static inline void kvmppc_enable_h_rpt_invalidate(void)
 188 {
 189     g_assert_not_reached();
 190 }
 191
 192 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
 193 {
 194 }
 195
 196 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr)
 197 {
 198     return 0;
 199 }
 200
 201 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
 202 {
 203 }
 204
 205 static inline bool kvmppc_get_fwnmi(void)
 206 {
 207     return false;
 208 }
 209
 210 static inline int kvmppc_set_fwnmi(PowerPCCPU *cpu)
 211 {
 212     return -1;
 213 }
 214
 215 static inline int kvmppc_smt_threads(void)
 216 {
 217     return 1;
 218 }
 219
 220 static inline void kvmppc_error_append_smt_possible_hint(Error *const *errp)
 221 {
 222     return;
 223 }
 224
 225 static inline int kvmppc_set_smt_threads(int smt)
 226 {
 227     return 0;
 228 }
 229
 230 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 231 {
 232     return 0;
 233 }
 234
 235 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 236 {
 237     return 0;
 238 }
 239
 240 static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
 241 {
 242     return 0;
 243 }
 244
 245 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
 246 {
 247     return -1;
 248 }
 249
 250 static inline target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu,
 251                                      bool radix, bool gtse,
 252                                      uint64_t proc_tbl)
 253 {
 254     return 0;
 255 }
 256
 257 static inline void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu,
 258                                              unsigned int online)
 259 {
 260     return;
 261 }
 262
 263 static inline void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset)
 264 {
 265 }
 266
 267 static inline bool kvmppc_spapr_use_multitce(void)
 268 {
 269     return false;
 270 }
 271
 272 static inline int kvmppc_spapr_enable_inkernel_multitce(void)
 273 {
 274     return -1;
 275 }
 276
 277 static inline void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
 278                                             uint64_t bus_offset,
 279                                             uint32_t nb_table,
 280                                             int *pfd, bool need_vfio)
 281 {
 282     return NULL;
 283 }
 284
 285 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 286                                           uint32_t nb_table)
 287 {
 288     return -1;
 289 }
 290
 291 static inline int kvmppc_reset_htab(int shift_hint)
 292 {
 293     return 0;
 294 }
 295
 296 static inline uint64_t kvmppc_vrma_limit(unsigned int hash_shift)
 297 {
 298     g_assert_not_reached();
 299 }
 300
 301 static inline bool kvmppc_hpt_needs_host_contiguous_pages(void)
 302 {
 303     return false;
 304 }
 305
 306 static inline void kvm_check_mmu(PowerPCCPU *cpu, Error **errp)
 307 {
 308 }
 309
 310 static inline bool kvmppc_has_cap_spapr_vfio(void)
 311 {
 312     return false;
 313 }
 314
 315 static inline void kvmppc_read_hptes(ppc_hash_pte64_t *hptes,
 316                                      hwaddr ptex, int n)
 317 {
 318     abort();
 319 }
 320
 321 static inline void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1)
 322 {
 323     abort();
 324 }
 325
 326 static inline bool kvmppc_has_cap_epr(void)
 327 {
 328     return false;
 329 }
 330
 331 static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
 332                                                   const char *function)
 333 {
 334     return -1;
 335 }
 336
 337 static inline int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp)
 338 {
 339     return -1;
 340 }
 341
 342 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
 343                                    int64_t max_ns)
 344 {
 345     abort();
 346 }
 347
 348 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
 349                                          uint16_t n_valid, uint16_t n_invalid,
 350                                          Error **errp)
 351 {
 352     abort();
 353 }
 354
 355 static inline bool kvmppc_has_cap_fixup_hcalls(void)
 356 {
 357     abort();
 358 }
 359
 360 static inline bool kvmppc_has_cap_htm(void)
 361 {
 362     return false;
 363 }
 364
 365 static inline bool kvmppc_has_cap_mmu_radix(void)
 366 {
 367     return false;
 368 }
 369
 370 static inline bool kvmppc_has_cap_mmu_hash_v3(void)
 371 {
 372     return false;
 373 }
 374
 375 static inline bool kvmppc_has_cap_xive(void)
 376 {
 377     return false;
 378 }
 379
 380 static inline int kvmppc_get_cap_safe_cache(void)
 381 {
 382     return 0;
 383 }
 384
 385 static inline int kvmppc_get_cap_safe_bounds_check(void)
 386 {
 387     return 0;
 388 }
 389
 390 static inline int kvmppc_get_cap_safe_indirect_branch(void)
 391 {
 392     return 0;
 393 }
 394
 395 static inline int kvmppc_get_cap_count_cache_flush_assist(void)
 396 {
 397     return 0;
 398 }
 399
 400 static inline bool kvmppc_has_cap_nested_kvm_hv(void)
 401 {
 402     return false;
 403 }
 404
 405 static inline int kvmppc_set_cap_nested_kvm_hv(int enable)
 406 {
 407     return -1;
 408 }
 409
 410 static inline int kvmppc_get_cap_large_decr(void)
 411 {
 412     return 0;
 413 }
 414
 415 static inline int kvmppc_enable_cap_large_decr(PowerPCCPU *cpu, int enable)
 416 {
 417     return -1;
 418 }
 419
 420 static inline int kvmppc_has_cap_rpt_invalidate(void)
 421 {
 422     return false;
 423 }
 424
 425 static inline bool kvmppc_supports_ail_3(void)
 426 {
 427     return false;
 428 }
 429
 430 static inline int kvmppc_enable_hwrng(void)
 431 {
 432     return -1;
 433 }
 434
 435 static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu)
 436 {
 437     abort();
 438 }
 439
 440 static inline PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void)
 441 {
 442     return NULL;
 443 }
 444
 445 static inline void kvmppc_check_papr_resize_hpt(Error **errp)
 446 {
 447     return;
 448 }
 449
 450 static inline int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu,
 451                                             target_ulong flags, int shift)
 452 {
 453     return -ENOSYS;
 454 }
 455
 456 static inline int kvmppc_resize_hpt_commit(PowerPCCPU *cpu,
 457                                            target_ulong flags, int shift)
 458 {
 459     return -ENOSYS;
 460 }
 461
 462 static inline bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu)
 463 {
 464     return false;
 465 }
 466
 467 #define kvmppc_eieio() do { } while (0)
 468
 469 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 470 {
 471 }
 472
 473 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 474 {
 475 }
 476
 477 #endif  /* CONFIG_KVM */
 478
 479 #endif /* KVM_PPC_H */