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 "host-" TYPE_POWERPC_CPU 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 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 bool kvmppc_has_cap_htab_fd(void); 53 int kvmppc_get_htab_fd(bool write); 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 int kvmppc_enable_hwrng(void); 64 int kvmppc_put_books_sregs(PowerPCCPU *cpu); 65 PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void); 66 void kvmppc_check_papr_resize_hpt(Error **errp); 67 int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, target_ulong flags, int shift); 68 int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, target_ulong flags, int shift); 69 void kvmppc_update_sdr1(target_ulong sdr1); 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 int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits) 152 { 153 return 0; 154 } 155 156 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits) 157 { 158 return 0; 159 } 160 161 static inline int kvmppc_set_tcr(PowerPCCPU *cpu) 162 { 163 return 0; 164 } 165 166 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu) 167 { 168 return -1; 169 } 170 171 static inline target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu, 172 bool radix, bool gtse, 173 uint64_t proc_tbl) 174 { 175 return 0; 176 } 177 178 #ifndef CONFIG_USER_ONLY 179 static inline off_t kvmppc_alloc_rma(void **rma) 180 { 181 return 0; 182 } 183 184 static inline bool kvmppc_spapr_use_multitce(void) 185 { 186 return false; 187 } 188 189 static inline int kvmppc_spapr_enable_inkernel_multitce(void) 190 { 191 return -1; 192 } 193 194 static inline void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift, 195 uint64_t bus_offset, 196 uint32_t nb_table, 197 int *pfd, bool need_vfio) 198 { 199 return NULL; 200 } 201 202 static inline int kvmppc_remove_spapr_tce(void *table, int pfd, 203 uint32_t nb_table) 204 { 205 return -1; 206 } 207 208 static inline int kvmppc_reset_htab(int shift_hint) 209 { 210 return 0; 211 } 212 213 static inline uint64_t kvmppc_rma_size(uint64_t current_size, 214 unsigned int hash_shift) 215 { 216 return ram_size; 217 } 218 219 static inline bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path) 220 { 221 return true; 222 } 223 224 #endif /* !CONFIG_USER_ONLY */ 225 226 static inline bool kvmppc_has_cap_epr(void) 227 { 228 return false; 229 } 230 231 static inline int kvmppc_define_rtas_kernel_token(uint32_t token, 232 const char *function) 233 { 234 return -1; 235 } 236 237 static inline bool kvmppc_has_cap_htab_fd(void) 238 { 239 return false; 240 } 241 242 static inline int kvmppc_get_htab_fd(bool write) 243 { 244 return -1; 245 } 246 247 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, 248 int64_t max_ns) 249 { 250 abort(); 251 } 252 253 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index, 254 uint16_t n_valid, uint16_t n_invalid) 255 { 256 abort(); 257 } 258 259 static inline void kvmppc_read_hptes(ppc_hash_pte64_t *hptes, 260 hwaddr ptex, int n) 261 { 262 abort(); 263 } 264 265 static inline void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1) 266 { 267 abort(); 268 } 269 270 static inline bool kvmppc_has_cap_fixup_hcalls(void) 271 { 272 abort(); 273 } 274 275 static inline bool kvmppc_has_cap_htm(void) 276 { 277 return false; 278 } 279 280 static inline bool kvmppc_has_cap_mmu_radix(void) 281 { 282 return false; 283 } 284 285 static inline bool kvmppc_has_cap_mmu_hash_v3(void) 286 { 287 return false; 288 } 289 290 static inline int kvmppc_enable_hwrng(void) 291 { 292 return -1; 293 } 294 295 static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu) 296 { 297 abort(); 298 } 299 300 static inline PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void) 301 { 302 return NULL; 303 } 304 305 static inline void kvmppc_check_papr_resize_hpt(Error **errp) 306 { 307 return; 308 } 309 310 static inline int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu, 311 target_ulong flags, int shift) 312 { 313 return -ENOSYS; 314 } 315 316 static inline int kvmppc_resize_hpt_commit(PowerPCCPU *cpu, 317 target_ulong flags, int shift) 318 { 319 return -ENOSYS; 320 } 321 322 static inline void kvmppc_update_sdr1(target_ulong sdr1) 323 { 324 abort(); 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