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