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