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