target/ppc/kvm_ppc.h

   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
  71 bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path);
  72
  73 #else
  74
  75 static inline uint32_t kvmppc_get_tbfreq(void)
  76 {
  77     return 0;
  78 }
  79
  80 static inline bool kvmppc_get_host_model(char **buf)
  81 {
  82     return false;
  83 }
  84
  85 static inline bool kvmppc_get_host_serial(char **buf)
  86 {
  87     return false;
  88 }
  89
  90 static inline uint64_t kvmppc_get_clockfreq(void)
  91 {
  92     return 0;
  93 }
  94
  95 static inline uint32_t kvmppc_get_vmx(void)
  96 {
  97     return 0;
  98 }
  99
 100 static inline uint32_t kvmppc_get_dfp(void)
 101 {
 102     return 0;
 103 }
 104
 105 static inline int kvmppc_get_hasidle(CPUPPCState *env)
 106 {
 107     return 0;
 108 }
 109
 110 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
 111 {
 112     return -1;
 113 }
 114
 115 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
 116 {
 117     return -1;
 118 }
 119
 120 static inline void kvmppc_enable_logical_ci_hcalls(void)
 121 {
 122 }
 123
 124 static inline void kvmppc_enable_set_mode_hcall(void)
 125 {
 126 }
 127
 128 static inline void kvmppc_enable_clear_ref_mod_hcalls(void)
 129 {
 130 }
 131
 132 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
 133 {
 134 }
 135
 136 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr)
 137 {
 138     return 0;
 139 }
 140
 141 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
 142 {
 143 }
 144
 145 static inline int kvmppc_smt_threads(void)
 146 {
 147     return 1;
 148 }
 149
 150 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 151 {
 152     return 0;
 153 }
 154
 155 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 156 {
 157     return 0;
 158 }
 159
 160 static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
 161 {
 162     return 0;
 163 }
 164
 165 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
 166 {
 167     return -1;
 168 }
 169
 170 static inline target_ulong kvmppc_configure_v3_mmu(PowerPCCPU *cpu,
 171                                      bool radix, bool gtse,
 172                                      uint64_t proc_tbl)
 173 {
 174     return 0;
 175 }
 176
 177 #ifndef CONFIG_USER_ONLY
 178 static inline off_t kvmppc_alloc_rma(void **rma)
 179 {
 180     return 0;
 181 }
 182
 183 static inline bool kvmppc_spapr_use_multitce(void)
 184 {
 185     return false;
 186 }
 187
 188 static inline int kvmppc_spapr_enable_inkernel_multitce(void)
 189 {
 190     return -1;
 191 }
 192
 193 static inline void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift,
 194                                             uint64_t bus_offset,
 195                                             uint32_t nb_table,
 196                                             int *pfd, bool need_vfio)
 197 {
 198     return NULL;
 199 }
 200
 201 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 202                                           uint32_t nb_table)
 203 {
 204     return -1;
 205 }
 206
 207 static inline int kvmppc_reset_htab(int shift_hint)
 208 {
 209     return 0;
 210 }
 211
 212 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 213                                        unsigned int hash_shift)
 214 {
 215     return ram_size;
 216 }
 217
 218 static inline bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path)
 219 {
 220     return true;
 221 }
 222
 223 #endif /* !CONFIG_USER_ONLY */
 224
 225 static inline bool kvmppc_has_cap_epr(void)
 226 {
 227     return false;
 228 }
 229
 230 static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
 231                                                   const char *function)
 232 {
 233     return -1;
 234 }
 235
 236 static inline bool kvmppc_has_cap_htab_fd(void)
 237 {
 238     return false;
 239 }
 240
 241 static inline int kvmppc_get_htab_fd(bool write)
 242 {
 243     return -1;
 244 }
 245
 246 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
 247                                    int64_t max_ns)
 248 {
 249     abort();
 250 }
 251
 252 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
 253                                          uint16_t n_valid, uint16_t n_invalid)
 254 {
 255     abort();
 256 }
 257
 258 static inline void kvmppc_read_hptes(ppc_hash_pte64_t *hptes,
 259                                      hwaddr ptex, int n)
 260 {
 261     abort();
 262 }
 263
 264 static inline void kvmppc_write_hpte(hwaddr ptex, uint64_t pte0, uint64_t pte1)
 265 {
 266     abort();
 267 }
 268
 269 static inline bool kvmppc_has_cap_fixup_hcalls(void)
 270 {
 271     abort();
 272 }
 273
 274 static inline bool kvmppc_has_cap_htm(void)
 275 {
 276     return false;
 277 }
 278
 279 static inline bool kvmppc_has_cap_mmu_radix(void)
 280 {
 281     return false;
 282 }
 283
 284 static inline bool kvmppc_has_cap_mmu_hash_v3(void)
 285 {
 286     return false;
 287 }
 288
 289 static inline int kvmppc_enable_hwrng(void)
 290 {
 291     return -1;
 292 }
 293
 294 static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu)
 295 {
 296     abort();
 297 }
 298
 299 static inline PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void)
 300 {
 301     return NULL;
 302 }
 303
 304 static inline void kvmppc_check_papr_resize_hpt(Error **errp)
 305 {
 306     return;
 307 }
 308
 309 static inline int kvmppc_resize_hpt_prepare(PowerPCCPU *cpu,
 310                                             target_ulong flags, int shift)
 311 {
 312     return -ENOSYS;
 313 }
 314
 315 static inline int kvmppc_resize_hpt_commit(PowerPCCPU *cpu,
 316                                            target_ulong flags, int shift)
 317 {
 318     return -ENOSYS;
 319 }
 320
 321 static inline void kvmppc_update_sdr1(target_ulong sdr1)
 322 {
 323     abort();
 324 }
 325
 326 #endif
 327
 328 #ifndef CONFIG_KVM
 329
 330 #define kvmppc_eieio() do { } while (0)
 331
 332 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 333 {
 334 }
 335
 336 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 337 {
 338 }
 339
 340 #else   /* CONFIG_KVM */
 341
 342 #define kvmppc_eieio() \
 343     do {                                          \
 344         if (kvm_enabled()) {                          \
 345             asm volatile("eieio" : : : "memory"); \
 346         } \
 347     } while (0)
 348
 349 /* Store data cache blocks back to memory */
 350 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 351 {
 352     uint8_t *p;
 353
 354     for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) {
 355         asm volatile("dcbst 0,%0" : : "r"(p) : "memory");
 356     }
 357 }
 358
 359 /* Invalidate instruction cache blocks */
 360 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 361 {
 362     uint8_t *p;
 363
 364     for (p = addr; p < addr + len; p += cpu->env.icache_line_size) {
 365         asm volatile("icbi 0,%0" : : "r"(p));
 366     }
 367 }
 368
 369 #endif  /* CONFIG_KVM */
 370
 371 #endif /* KVM_PPC_H */