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 cpu_version); 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 #ifndef CONFIG_USER_ONLY 37 off_t kvmppc_alloc_rma(void **rma); 38 bool kvmppc_spapr_use_multitce(void); 39 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd, 40 bool need_vfio); 41 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size); 42 int kvmppc_reset_htab(int shift_hint); 43 uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift); 44 #endif /* !CONFIG_USER_ONLY */ 45 bool kvmppc_has_cap_epr(void); 46 int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function); 47 bool kvmppc_has_cap_htab_fd(void); 48 int kvmppc_get_htab_fd(bool write); 49 int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns); 50 int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index, 51 uint16_t n_valid, uint16_t n_invalid); 52 uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu, target_ulong pte_index); 53 void kvmppc_hash64_free_pteg(uint64_t token); 54 55 void kvmppc_hash64_write_pte(CPUPPCState *env, target_ulong pte_index, 56 target_ulong pte0, target_ulong pte1); 57 bool kvmppc_has_cap_fixup_hcalls(void); 58 bool kvmppc_has_cap_htm(void); 59 int kvmppc_enable_hwrng(void); 60 int kvmppc_put_books_sregs(PowerPCCPU *cpu); 61 PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void); 62 63 #else 64 65 static inline uint32_t kvmppc_get_tbfreq(void) 66 { 67 return 0; 68 } 69 70 static inline bool kvmppc_get_host_model(char **buf) 71 { 72 return false; 73 } 74 75 static inline bool kvmppc_get_host_serial(char **buf) 76 { 77 return false; 78 } 79 80 static inline uint64_t kvmppc_get_clockfreq(void) 81 { 82 return 0; 83 } 84 85 static inline uint32_t kvmppc_get_vmx(void) 86 { 87 return 0; 88 } 89 90 static inline uint32_t kvmppc_get_dfp(void) 91 { 92 return 0; 93 } 94 95 static inline int kvmppc_get_hasidle(CPUPPCState *env) 96 { 97 return 0; 98 } 99 100 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len) 101 { 102 return -1; 103 } 104 105 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level) 106 { 107 return -1; 108 } 109 110 static inline void kvmppc_enable_logical_ci_hcalls(void) 111 { 112 } 113 114 static inline void kvmppc_enable_set_mode_hcall(void) 115 { 116 } 117 118 static inline void kvmppc_enable_clear_ref_mod_hcalls(void) 119 { 120 } 121 122 static inline void kvmppc_set_papr(PowerPCCPU *cpu) 123 { 124 } 125 126 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version) 127 { 128 return 0; 129 } 130 131 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy) 132 { 133 } 134 135 static inline int kvmppc_smt_threads(void) 136 { 137 return 1; 138 } 139 140 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits) 141 { 142 return 0; 143 } 144 145 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits) 146 { 147 return 0; 148 } 149 150 static inline int kvmppc_set_tcr(PowerPCCPU *cpu) 151 { 152 return 0; 153 } 154 155 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu) 156 { 157 return -1; 158 } 159 160 #ifndef CONFIG_USER_ONLY 161 static inline off_t kvmppc_alloc_rma(void **rma) 162 { 163 return 0; 164 } 165 166 static inline bool kvmppc_spapr_use_multitce(void) 167 { 168 return false; 169 } 170 171 static inline void *kvmppc_create_spapr_tce(uint32_t liobn, 172 uint32_t window_size, int *fd, 173 bool need_vfio) 174 { 175 return NULL; 176 } 177 178 static inline int kvmppc_remove_spapr_tce(void *table, int pfd, 179 uint32_t nb_table) 180 { 181 return -1; 182 } 183 184 static inline int kvmppc_reset_htab(int shift_hint) 185 { 186 return 0; 187 } 188 189 static inline uint64_t kvmppc_rma_size(uint64_t current_size, 190 unsigned int hash_shift) 191 { 192 return ram_size; 193 } 194 195 #endif /* !CONFIG_USER_ONLY */ 196 197 static inline bool kvmppc_has_cap_epr(void) 198 { 199 return false; 200 } 201 202 static inline int kvmppc_define_rtas_kernel_token(uint32_t token, 203 const char *function) 204 { 205 return -1; 206 } 207 208 static inline bool kvmppc_has_cap_htab_fd(void) 209 { 210 return false; 211 } 212 213 static inline int kvmppc_get_htab_fd(bool write) 214 { 215 return -1; 216 } 217 218 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, 219 int64_t max_ns) 220 { 221 abort(); 222 } 223 224 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index, 225 uint16_t n_valid, uint16_t n_invalid) 226 { 227 abort(); 228 } 229 230 static inline uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu, 231 target_ulong pte_index) 232 { 233 abort(); 234 } 235 236 static inline void kvmppc_hash64_free_pteg(uint64_t token) 237 { 238 abort(); 239 } 240 241 static inline void kvmppc_hash64_write_pte(CPUPPCState *env, 242 target_ulong pte_index, 243 target_ulong pte0, target_ulong pte1) 244 { 245 abort(); 246 } 247 248 static inline bool kvmppc_has_cap_fixup_hcalls(void) 249 { 250 abort(); 251 } 252 253 static inline bool kvmppc_has_cap_htm(void) 254 { 255 return false; 256 } 257 258 static inline int kvmppc_enable_hwrng(void) 259 { 260 return -1; 261 } 262 263 static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu) 264 { 265 abort(); 266 } 267 268 static inline PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void) 269 { 270 return NULL; 271 } 272 273 #endif 274 275 #ifndef CONFIG_KVM 276 277 #define kvmppc_eieio() do { } while (0) 278 279 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len) 280 { 281 } 282 283 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len) 284 { 285 } 286 287 #else /* CONFIG_KVM */ 288 289 #define kvmppc_eieio() \ 290 do { \ 291 if (kvm_enabled()) { \ 292 asm volatile("eieio" : : : "memory"); \ 293 } \ 294 } while (0) 295 296 /* Store data cache blocks back to memory */ 297 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len) 298 { 299 uint8_t *p; 300 301 for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) { 302 asm volatile("dcbst 0,%0" : : "r"(p) : "memory"); 303 } 304 } 305 306 /* Invalidate instruction cache blocks */ 307 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len) 308 { 309 uint8_t *p; 310 311 for (p = addr; p < addr + len; p += cpu->env.icache_line_size) { 312 asm volatile("icbi 0,%0" : : "r"(p)); 313 } 314 } 315 316 #endif /* CONFIG_KVM */ 317 318 #endif /* KVM_PPC_H */ 319