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