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 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 compat_pvr); 30 void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy); 31 int kvmppc_smt_threads(void); 32 void kvmppc_hint_smt_possible(Error **errp); 33 int kvmppc_set_smt_threads(int smt); 34 int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits); 35 int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits); 36 int kvmppc_set_tcr(PowerPCCPU *cpu); 37 int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu); 38 target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu, 39 bool radix, bool gtse, 40 uint64_t proc_tbl); 41 #ifndef CONFIG_USER_ONLY 42 off_t kvmppc_alloc_rma(void **rma); 43 bool kvmppc_spapr_use_multitce(void); 44 int kvmppc_spapr_enable_inkernel_multitce(void); 45 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift, 46 uint64_t bus_offset, uint32_t nb_table, 47 int *pfd, bool need_vfio); 48 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size); 49 int kvmppc_reset_htab(int shift_hint); 50 uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift); 51 #endif /* !CONFIG_USER_ONLY */ 52 bool kvmppc_has_cap_epr(void); 53 int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function); 54 bool kvmppc_has_cap_htab_fd(void); 55 int kvmppc_get_htab_fd(bool write); 56 int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns); 57 int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index, 58 uint16_t n_valid, uint16_t n_invalid); 59 void kvmppc_read_hptes(ppc_hash_pte64_t *hptes, hwaddr ptex, int n); 60 void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1); 61 bool kvmppc_has_cap_fixup_hcalls(void); 62 bool kvmppc_has_cap_htm(void); 63 bool kvmppc_has_cap_mmu_radix(void); 64 bool kvmppc_has_cap_mmu_hash_v3(void); 65 int kvmppc_enable_hwrng(void); 66 int kvmppc_put_books_sregs(PowerPCCPU *cpu); 67 PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void); 68 void kvmppc_check_papr_resize_hpt(Error **errp); 69 int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, target_ulong flags, int shift); 70 int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, target_ulong flags, int shift); 71 void kvmppc_update_sdr1(target_ulong sdr1); 72 bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu); 73 74 bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path); 75 76 #else 77 78 static inline uint32_t kvmppc_get_tbfreq(void) 79 { 80 return 0; 81 } 82 83 static inline bool kvmppc_get_host_model(char **buf) 84 { 85 return false; 86 } 87 88 static inline bool kvmppc_get_host_serial(char **buf) 89 { 90 return false; 91 } 92 93 static inline uint64_t kvmppc_get_clockfreq(void) 94 { 95 return 0; 96 } 97 98 static inline uint32_t kvmppc_get_vmx(void) 99 { 100 return 0; 101 } 102 103 static inline uint32_t kvmppc_get_dfp(void) 104 { 105 return 0; 106 } 107 108 static inline int kvmppc_get_hasidle(CPUPPCState *env) 109 { 110 return 0; 111 } 112 113 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len) 114 { 115 return -1; 116 } 117 118 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level) 119 { 120 return -1; 121 } 122 123 static inline void kvmppc_enable_logical_ci_hcalls(void) 124 { 125 } 126 127 static inline void kvmppc_enable_set_mode_hcall(void) 128 { 129 } 130 131 static inline void kvmppc_enable_clear_ref_mod_hcalls(void) 132 { 133 } 134 135 static inline void kvmppc_set_papr(PowerPCCPU *cpu) 136 { 137 } 138 139 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr) 140 { 141 return 0; 142 } 143 144 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy) 145 { 146 } 147 148 static inline int kvmppc_smt_threads(void) 149 { 150 return 1; 151 } 152 153 static inline void kvmppc_hint_smt_possible(Error **errp) 154 { 155 return; 156 } 157 158 static inline int kvmppc_set_smt_threads(int smt) 159 { 160 return 0; 161 } 162 163 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits) 164 { 165 return 0; 166 } 167 168 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits) 169 { 170 return 0; 171 } 172 173 static inline int kvmppc_set_tcr(PowerPCCPU *cpu) 174 { 175 return 0; 176 } 177 178 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu) 179 { 180 return -1; 181 } 182 183 static inline target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu, 184 bool radix, bool gtse, 185 uint64_t proc_tbl) 186 { 187 return 0; 188 } 189 190 #ifndef CONFIG_USER_ONLY 191 static inline off_t kvmppc_alloc_rma(void **rma) 192 { 193 return 0; 194 } 195 196 static inline bool kvmppc_spapr_use_multitce(void) 197 { 198 return false; 199 } 200 201 static inline int kvmppc_spapr_enable_inkernel_multitce(void) 202 { 203 return -1; 204 } 205 206 static inline void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift, 207 uint64_t bus_offset, 208 uint32_t nb_table, 209 int *pfd, bool need_vfio) 210 { 211 return NULL; 212 } 213 214 static inline int kvmppc_remove_spapr_tce(void *table, int pfd, 215 uint32_t nb_table) 216 { 217 return -1; 218 } 219 220 static inline int kvmppc_reset_htab(int shift_hint) 221 { 222 return 0; 223 } 224 225 static inline uint64_t kvmppc_rma_size(uint64_t current_size, 226 unsigned int hash_shift) 227 { 228 return ram_size; 229 } 230 231 static inline bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path) 232 { 233 return true; 234 } 235 236 #endif /* !CONFIG_USER_ONLY */ 237 238 static inline bool kvmppc_has_cap_epr(void) 239 { 240 return false; 241 } 242 243 static inline int kvmppc_define_rtas_kernel_token(uint32_t token, 244 const char *function) 245 { 246 return -1; 247 } 248 249 static inline bool kvmppc_has_cap_htab_fd(void) 250 { 251 return false; 252 } 253 254 static inline int kvmppc_get_htab_fd(bool write) 255 { 256 return -1; 257 } 258 259 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, 260 int64_t max_ns) 261 { 262 abort(); 263 } 264 265 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index, 266 uint16_t n_valid, uint16_t n_invalid) 267 { 268 abort(); 269 } 270 271 static inline void kvmppc_read_hptes(ppc_hash_pte64_t *hptes, 272 hwaddr ptex, int n) 273 { 274 abort(); 275 } 276 277 static inline void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1) 278 { 279 abort(); 280 } 281 282 static inline bool kvmppc_has_cap_fixup_hcalls(void) 283 { 284 abort(); 285 } 286 287 static inline bool kvmppc_has_cap_htm(void) 288 { 289 return false; 290 } 291 292 static inline bool kvmppc_has_cap_mmu_radix(void) 293 { 294 return false; 295 } 296 297 static inline bool kvmppc_has_cap_mmu_hash_v3(void) 298 { 299 return false; 300 } 301 302 static inline int kvmppc_enable_hwrng(void) 303 { 304 return -1; 305 } 306 307 static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu) 308 { 309 abort(); 310 } 311 312 static inline PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void) 313 { 314 return NULL; 315 } 316 317 static inline void kvmppc_check_papr_resize_hpt(Error **errp) 318 { 319 return; 320 } 321 322 static inline int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, 323 target_ulong flags, int shift) 324 { 325 return -ENOSYS; 326 } 327 328 static inline int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, 329 target_ulong flags, int shift) 330 { 331 return -ENOSYS; 332 } 333 334 static inline void kvmppc_update_sdr1(target_ulong sdr1) 335 { 336 abort(); 337 } 338 339 #endif 340 341 #ifndef CONFIG_KVM 342 343 #define kvmppc_eieio() do { } while (0) 344 345 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len) 346 { 347 } 348 349 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len) 350 { 351 } 352 353 #else /* CONFIG_KVM */ 354 355 #define kvmppc_eieio() \ 356 do { \ 357 if (kvm_enabled()) { \ 358 asm volatile("eieio" : : : "memory"); \ 359 } \ 360 } while (0) 361 362 /* Store data cache blocks back to memory */ 363 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len) 364 { 365 uint8_t *p; 366 367 for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) { 368 asm volatile("dcbst 0,%0" : : "r"(p) : "memory"); 369 } 370 } 371 372 /* Invalidate instruction cache blocks */ 373 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len) 374 { 375 uint8_t *p; 376 377 for (p = addr; p < addr + len; p += cpu->env.icache_line_size) { 378 asm volatile("icbi 0,%0" : : "r"(p)); 379 } 380 } 381 382 #endif /* CONFIG_KVM */ 383 384 #endif /* KVM_PPC_H */ 385