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
  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 */