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