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 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 int kvmppc_enable_hwrng(void);
  59 int kvmppc_put_books_sregs(PowerPCCPU *cpu);
  60 PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void);
  61
  62 #else
  63
  64 static inline uint32_t kvmppc_get_tbfreq(void)
  65 {
  66     return 0;
  67 }
  68
  69 static inline bool kvmppc_get_host_model(char **buf)
  70 {
  71     return false;
  72 }
  73
  74 static inline bool kvmppc_get_host_serial(char **buf)
  75 {
  76     return false;
  77 }
  78
  79 static inline uint64_t kvmppc_get_clockfreq(void)
  80 {
  81     return 0;
  82 }
  83
  84 static inline uint32_t kvmppc_get_vmx(void)
  85 {
  86     return 0;
  87 }
  88
  89 static inline uint32_t kvmppc_get_dfp(void)
  90 {
  91     return 0;
  92 }
  93
  94 static inline int kvmppc_get_hasidle(CPUPPCState *env)
  95 {
  96     return 0;
  97 }
  98
  99 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
 100 {
 101     return -1;
 102 }
 103
 104 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
 105 {
 106     return -1;
 107 }
 108
 109 static inline void kvmppc_enable_logical_ci_hcalls(void)
 110 {
 111 }
 112
 113 static inline void kvmppc_enable_set_mode_hcall(void)
 114 {
 115 }
 116
 117 static inline void kvmppc_enable_clear_ref_mod_hcalls(void)
 118 {
 119 }
 120
 121 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
 122 {
 123 }
 124
 125 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version)
 126 {
 127     return 0;
 128 }
 129
 130 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
 131 {
 132 }
 133
 134 static inline int kvmppc_smt_threads(void)
 135 {
 136     return 1;
 137 }
 138
 139 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 140 {
 141     return 0;
 142 }
 143
 144 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 145 {
 146     return 0;
 147 }
 148
 149 static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
 150 {
 151     return 0;
 152 }
 153
 154 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
 155 {
 156     return -1;
 157 }
 158
 159 #ifndef CONFIG_USER_ONLY
 160 static inline off_t kvmppc_alloc_rma(void **rma)
 161 {
 162     return 0;
 163 }
 164
 165 static inline bool kvmppc_spapr_use_multitce(void)
 166 {
 167     return false;
 168 }
 169
 170 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
 171                                             uint32_t window_size, int *fd,
 172                                             bool need_vfio)
 173 {
 174     return NULL;
 175 }
 176
 177 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 178                                           uint32_t nb_table)
 179 {
 180     return -1;
 181 }
 182
 183 static inline int kvmppc_reset_htab(int shift_hint)
 184 {
 185     return 0;
 186 }
 187
 188 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 189                                        unsigned int hash_shift)
 190 {
 191     return ram_size;
 192 }
 193
 194 #endif /* !CONFIG_USER_ONLY */
 195
 196 static inline bool kvmppc_has_cap_epr(void)
 197 {
 198     return false;
 199 }
 200
 201 static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
 202                                                   const char *function)
 203 {
 204     return -1;
 205 }
 206
 207 static inline bool kvmppc_has_cap_htab_fd(void)
 208 {
 209     return false;
 210 }
 211
 212 static inline int kvmppc_get_htab_fd(bool write)
 213 {
 214     return -1;
 215 }
 216
 217 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
 218                                    int64_t max_ns)
 219 {
 220     abort();
 221 }
 222
 223 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
 224                                          uint16_t n_valid, uint16_t n_invalid)
 225 {
 226     abort();
 227 }
 228
 229 static inline uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu,
 230                                                target_ulong pte_index)
 231 {
 232     abort();
 233 }
 234
 235 static inline void kvmppc_hash64_free_pteg(uint64_t token)
 236 {
 237     abort();
 238 }
 239
 240 static inline void kvmppc_hash64_write_pte(CPUPPCState *env,
 241                                            target_ulong pte_index,
 242                                            target_ulong pte0, target_ulong pte1)
 243 {
 244     abort();
 245 }
 246
 247 static inline bool kvmppc_has_cap_fixup_hcalls(void)
 248 {
 249     abort();
 250 }
 251
 252 static inline int kvmppc_enable_hwrng(void)
 253 {
 254     return -1;
 255 }
 256
 257 static inline int kvmppc_put_books_sregs(PowerPCCPU *cpu)
 258 {
 259     abort();
 260 }
 261
 262 static inline PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void)
 263 {
 264     return NULL;
 265 }
 266
 267 #endif
 268
 269 #ifndef CONFIG_KVM
 270
 271 #define kvmppc_eieio() do { } while (0)
 272
 273 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 274 {
 275 }
 276
 277 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 278 {
 279 }
 280
 281 #else   /* CONFIG_KVM */
 282
 283 #define kvmppc_eieio() \
 284     do {                                          \
 285         if (kvm_enabled()) {                          \
 286             asm volatile("eieio" : : : "memory"); \
 287         } \
 288     } while (0)
 289
 290 /* Store data cache blocks back to memory */
 291 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 292 {
 293     uint8_t *p;
 294
 295     for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) {
 296         asm volatile("dcbst 0,%0" : : "r"(p) : "memory");
 297     }
 298 }
 299
 300 /* Invalidate instruction cache blocks */
 301 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 302 {
 303     uint8_t *p;
 304
 305     for (p = addr; p < addr + len; p += cpu->env.icache_line_size) {
 306         asm volatile("icbi 0,%0" : : "r"(p));
 307     }
 308 }
 309
 310 #endif  /* CONFIG_KVM */
 311
 312 #ifndef KVM_INTERRUPT_SET
 313 #define KVM_INTERRUPT_SET -1
 314 #endif
 315
 316 #ifndef KVM_INTERRUPT_UNSET
 317 #define KVM_INTERRUPT_UNSET -2
 318 #endif
 319
 320 #ifndef KVM_INTERRUPT_SET_LEVEL
 321 #define KVM_INTERRUPT_SET_LEVEL -3
 322 #endif
 323
 324 #endif /* KVM_PPC_H */