| 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 "system/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 | 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_enable_logical_ci_hcalls(void); |
| 28 | void kvmppc_enable_set_mode_hcall(void); |
| 29 | void kvmppc_enable_clear_ref_mod_hcalls(void); |
| 30 | void kvmppc_enable_h_page_init(void); |
| 31 | void kvmppc_enable_h_rpt_invalidate(void); |
| 32 | void kvmppc_set_papr(PowerPCCPU *cpu); |
| 33 | int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr); |
| 34 | void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy); |
| 35 | bool kvmppc_get_fwnmi(void); |
| 36 | int kvmppc_set_fwnmi(PowerPCCPU *cpu); |
| 37 | int kvmppc_smt_threads(void); |
| 38 | void kvmppc_error_append_smt_possible_hint(Error *const *errp); |
| 39 | int kvmppc_set_smt_threads(int smt); |
| 40 | int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits); |
| 41 | int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits); |
| 42 | int kvmppc_set_tcr(PowerPCCPU *cpu); |
| 43 | int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu); |
| 44 | target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu, |
| 45 | bool radix, bool gtse, |
| 46 | uint64_t proc_tbl); |
| 47 | bool kvmppc_spapr_use_multitce(void); |
| 48 | int kvmppc_spapr_enable_inkernel_multitce(void); |
| 49 | void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift, |
| 50 | uint64_t bus_offset, uint32_t nb_table, |
| 51 | int *pfd, bool need_vfio); |
| 52 | int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size); |
| 53 | int kvmppc_reset_htab(int shift_hint); |
| 54 | uint64_t kvmppc_vrma_limit(unsigned int hash_shift); |
| 55 | bool kvmppc_has_cap_spapr_vfio(void); |
| 56 | bool kvmppc_has_cap_epr(void); |
| 57 | int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function); |
| 58 | int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp); |
| 59 | int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns); |
| 60 | int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index, |
| 61 | uint16_t n_valid, uint16_t n_invalid, Error **errp); |
| 62 | void kvmppc_read_hptes(ppc_hash_pte64_t *hptes, hwaddr ptex, int n); |
| 63 | void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1); |
| 64 | bool kvmppc_has_cap_fixup_hcalls(void); |
| 65 | bool kvmppc_has_cap_htm(void); |
| 66 | bool kvmppc_has_cap_mmu_radix(void); |
| 67 | bool kvmppc_has_cap_mmu_hash_v3(void); |
| 68 | bool kvmppc_has_cap_xive(void); |
| 69 | bool kvmppc_has_cap_dawr1(void); |
| 70 | int kvmppc_set_cap_dawr1(int enable); |
| 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 | |
| 85 | uint32_t kvm_ppc_host_compat_pvr(void); |
| 86 | void kvmppc_check_papr_resize_hpt(Error **errp); |
| 87 | int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, target_ulong flags, int shift); |
| 88 | int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, target_ulong flags, int shift); |
| 89 | bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu); |
| 90 | |
| 91 | bool kvmppc_hpt_needs_host_contiguous_pages(void); |
| 92 | void kvm_check_mmu(PowerPCCPU *cpu, Error **errp); |
| 93 | void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, unsigned int online); |
| 94 | void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset); |
| 95 | |
| 96 | int kvm_handle_nmi(PowerPCCPU *cpu, struct kvm_run *run); |
| 97 | |
| 98 | #define kvmppc_eieio() \ |
| 99 | do { \ |
| 100 | if (kvm_enabled()) { \ |
| 101 | asm volatile("eieio" : : : "memory"); \ |
| 102 | } \ |
| 103 | } while (0) |
| 104 | |
| 105 | /* Store data cache blocks back to memory */ |
| 106 | static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len) |
| 107 | { |
| 108 | uint8_t *p; |
| 109 | |
| 110 | for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) { |
| 111 | asm volatile("dcbst 0,%0" : : "r"(p) : "memory"); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | /* Invalidate instruction cache blocks */ |
| 116 | static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len) |
| 117 | { |
| 118 | uint8_t *p; |
| 119 | |
| 120 | for (p = addr; p < addr + len; p += cpu->env.icache_line_size) { |
| 121 | asm volatile("icbi 0,%0" : : "r"(p)); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | #else /* !CONFIG_KVM */ |
| 126 | |
| 127 | static inline uint32_t kvmppc_get_tbfreq(void) |
| 128 | { |
| 129 | return 0; |
| 130 | } |
| 131 | |
| 132 | static inline uint64_t kvmppc_get_clockfreq(void) |
| 133 | { |
| 134 | return 0; |
| 135 | } |
| 136 | |
| 137 | static inline uint32_t kvmppc_get_vmx(void) |
| 138 | { |
| 139 | return 0; |
| 140 | } |
| 141 | |
| 142 | static inline uint32_t kvmppc_get_dfp(void) |
| 143 | { |
| 144 | return 0; |
| 145 | } |
| 146 | |
| 147 | static inline int kvmppc_get_hasidle(CPUPPCState *env) |
| 148 | { |
| 149 | return 0; |
| 150 | } |
| 151 | |
| 152 | static inline int kvmppc_get_hypercall(CPUPPCState *env, |
| 153 | uint8_t *buf, int buf_len) |
| 154 | { |
| 155 | return -1; |
| 156 | } |
| 157 | |
| 158 | static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level) |
| 159 | { |
| 160 | return -1; |
| 161 | } |
| 162 | |
| 163 | static inline void kvmppc_enable_logical_ci_hcalls(void) |
| 164 | { |
| 165 | } |
| 166 | |
| 167 | static inline void kvmppc_enable_set_mode_hcall(void) |
| 168 | { |
| 169 | } |
| 170 | |
| 171 | static inline void kvmppc_enable_clear_ref_mod_hcalls(void) |
| 172 | { |
| 173 | } |
| 174 | |
| 175 | static inline void kvmppc_enable_h_page_init(void) |
| 176 | { |
| 177 | } |
| 178 | |
| 179 | static inline void kvmppc_enable_h_rpt_invalidate(void) |
| 180 | { |
| 181 | g_assert_not_reached(); |
| 182 | } |
| 183 | |
| 184 | static inline void kvmppc_set_papr(PowerPCCPU *cpu) |
| 185 | { |
| 186 | } |
| 187 | |
| 188 | static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr) |
| 189 | { |
| 190 | return 0; |
| 191 | } |
| 192 | |
| 193 | static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy) |
| 194 | { |
| 195 | } |
| 196 | |
| 197 | static inline bool kvmppc_get_fwnmi(void) |
| 198 | { |
| 199 | return false; |
| 200 | } |
| 201 | |
| 202 | static inline int kvmppc_set_fwnmi(PowerPCCPU *cpu) |
| 203 | { |
| 204 | return -1; |
| 205 | } |
| 206 | |
| 207 | static inline int kvmppc_smt_threads(void) |
| 208 | { |
| 209 | return 1; |
| 210 | } |
| 211 | |
| 212 | static inline void kvmppc_error_append_smt_possible_hint(Error *const *errp) |
| 213 | { |
| 214 | } |
| 215 | |
| 216 | static inline int kvmppc_set_smt_threads(int smt) |
| 217 | { |
| 218 | return 0; |
| 219 | } |
| 220 | |
| 221 | static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits) |
| 222 | { |
| 223 | return 0; |
| 224 | } |
| 225 | |
| 226 | static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits) |
| 227 | { |
| 228 | return 0; |
| 229 | } |
| 230 | |
| 231 | static inline int kvmppc_set_tcr(PowerPCCPU *cpu) |
| 232 | { |
| 233 | return 0; |
| 234 | } |
| 235 | |
| 236 | static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu) |
| 237 | { |
| 238 | return -1; |
| 239 | } |
| 240 | |
| 241 | static inline target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu, |
| 242 | bool radix, bool gtse, |
| 243 | uint64_t proc_tbl) |
| 244 | { |
| 245 | return 0; |
| 246 | } |
| 247 | |
| 248 | static inline void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, |
| 249 | unsigned int online) |
| 250 | { |
| 251 | } |
| 252 | |
| 253 | static inline void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset) |
| 254 | { |
| 255 | } |
| 256 | |
| 257 | static inline bool kvmppc_spapr_use_multitce(void) |
| 258 | { |
| 259 | return false; |
| 260 | } |
| 261 | |
| 262 | static inline int kvmppc_spapr_enable_inkernel_multitce(void) |
| 263 | { |
| 264 | return -1; |
| 265 | } |
| 266 | |
| 267 | static inline void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift, |
| 268 | uint64_t bus_offset, |
| 269 | uint32_t nb_table, |
| 270 | int *pfd, bool need_vfio) |
| 271 | { |
| 272 | return NULL; |
| 273 | } |
| 274 | |
| 275 | static inline int kvmppc_remove_spapr_tce(void *table, int pfd, |
| 276 | uint32_t nb_table) |
| 277 | { |
| 278 | return -1; |
| 279 | } |
| 280 | |
| 281 | static inline int kvmppc_reset_htab(int shift_hint) |
| 282 | { |
| 283 | return 0; |
| 284 | } |
| 285 | |
| 286 | static inline uint64_t kvmppc_vrma_limit(unsigned int hash_shift) |
| 287 | { |
| 288 | g_assert_not_reached(); |
| 289 | } |
| 290 | |
| 291 | static inline bool kvmppc_hpt_needs_host_contiguous_pages(void) |
| 292 | { |
| 293 | return false; |
| 294 | } |
| 295 | |
| 296 | static inline void kvm_check_mmu(PowerPCCPU *cpu, Error **errp) |
| 297 | { |
| 298 | } |
| 299 | |
| 300 | static inline bool kvmppc_has_cap_spapr_vfio(void) |
| 301 | { |
| 302 | return false; |
| 303 | } |
| 304 | |
| 305 | static inline void kvmppc_read_hptes(ppc_hash_pte64_t *hptes, |
| 306 | hwaddr ptex, int n) |
| 307 | { |
| 308 | abort(); |
| 309 | } |
| 310 | |
| 311 | static inline void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1) |
| 312 | { |
| 313 | abort(); |
| 314 | } |
| 315 | |
| 316 | static inline bool kvmppc_has_cap_epr(void) |
| 317 | { |
| 318 | return false; |
| 319 | } |
| 320 | |
| 321 | static inline int kvmppc_define_rtas_kernel_token(uint32_t token, |
| 322 | const char *function) |
| 323 | { |
| 324 | return -1; |
| 325 | } |
| 326 | |
| 327 | static inline int kvmppc_get_htab_fd(bool write, uint64_t index, Error **errp) |
| 328 | { |
| 329 | return -1; |
| 330 | } |
| 331 | |
| 332 | static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, |
| 333 | int64_t max_ns) |
| 334 | { |
| 335 | abort(); |
| 336 | } |
| 337 | |
| 338 | static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index, |
| 339 | uint16_t n_valid, uint16_t n_invalid, |
| 340 | Error **errp) |
| 341 | { |
| 342 | abort(); |
| 343 | } |
| 344 | |
| 345 | static inline bool kvmppc_has_cap_fixup_hcalls(void) |
| 346 | { |
| 347 | abort(); |
| 348 | } |
| 349 | |
| 350 | static inline bool kvmppc_has_cap_htm(void) |
| 351 | { |
| 352 | return false; |
| 353 | } |
| 354 | |
| 355 | static inline bool kvmppc_has_cap_mmu_radix(void) |
| 356 | { |
| 357 | return false; |
| 358 | } |
| 359 | |
| 360 | static inline bool kvmppc_has_cap_mmu_hash_v3(void) |
| 361 | { |
| 362 | return false; |
| 363 | } |
| 364 | |
| 365 | static inline bool kvmppc_has_cap_xive(void) |
| 366 | { |
| 367 | return false; |
| 368 | } |
| 369 | |
| 370 | static inline bool kvmppc_has_cap_dawr1(void) |
| 371 | { |
| 372 | return false; |
| 373 | } |
| 374 | |
| 375 | static inline int kvmppc_set_cap_dawr1(int enable) |
| 376 | { |
| 377 | abort(); |
| 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 uint32_t kvm_ppc_host_compat_pvr(void) |
| 446 | { |
| 447 | return 0; |
| 448 | } |
| 449 | |
| 450 | static inline void kvmppc_check_papr_resize_hpt(Error **errp) |
| 451 | { |
| 452 | } |
| 453 | |
| 454 | static inline int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, |
| 455 | target_ulong flags, int shift) |
| 456 | { |
| 457 | return -ENOSYS; |
| 458 | } |
| 459 | |
| 460 | static inline int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, |
| 461 | target_ulong flags, int shift) |
| 462 | { |
| 463 | return -ENOSYS; |
| 464 | } |
| 465 | |
| 466 | static inline bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu) |
| 467 | { |
| 468 | return false; |
| 469 | } |
| 470 | |
| 471 | #define kvmppc_eieio() do { } while (0) |
| 472 | |
| 473 | static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len) |
| 474 | { |
| 475 | } |
| 476 | |
| 477 | static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len) |
| 478 | { |
| 479 | } |
| 480 | |
| 481 | #endif /* CONFIG_KVM */ |
| 482 | |
| 483 | #endif /* KVM_PPC_H */ |