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_set_papr(PowerPCCPU *cpu);
  28 int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version);
  29 void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
  30 int kvmppc_smt_threads(void);
  31 int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
  32 int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
  33 int kvmppc_set_tcr(PowerPCCPU *cpu);
  34 int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu);
  35 #ifndef CONFIG_USER_ONLY
  36 off_t kvmppc_alloc_rma(void **rma);
  37 bool kvmppc_spapr_use_multitce(void);
  38 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd,
  39                               bool need_vfio);
  40 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  41 int kvmppc_reset_htab(int shift_hint);
  42 uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift);
  43 #endif /* !CONFIG_USER_ONLY */
  44 bool kvmppc_has_cap_epr(void);
  45 int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function);
  46 bool kvmppc_has_cap_htab_fd(void);
  47 int kvmppc_get_htab_fd(bool write);
  48 int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns);
  49 int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
  50                            uint16_t n_valid, uint16_t n_invalid);
  51 uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu, target_ulong pte_index);
  52 void kvmppc_hash64_free_pteg(uint64_t token);
  53
  54 void kvmppc_hash64_write_pte(CPUPPCState *env, target_ulong pte_index,
  55                              target_ulong pte0, target_ulong pte1);
  56 bool kvmppc_has_cap_fixup_hcalls(void);
  57 int kvmppc_enable_hwrng(void);
  58
  59 #else
  60
  61 static inline uint32_t kvmppc_get_tbfreq(void)
  62 {
  63     return 0;
  64 }
  65
  66 static inline bool kvmppc_get_host_model(char **buf)
  67 {
  68     return false;
  69 }
  70
  71 static inline bool kvmppc_get_host_serial(char **buf)
  72 {
  73     return false;
  74 }
  75
  76 static inline uint64_t kvmppc_get_clockfreq(void)
  77 {
  78     return 0;
  79 }
  80
  81 static inline uint32_t kvmppc_get_vmx(void)
  82 {
  83     return 0;
  84 }
  85
  86 static inline uint32_t kvmppc_get_dfp(void)
  87 {
  88     return 0;
  89 }
  90
  91 static inline int kvmppc_get_hasidle(CPUPPCState *env)
  92 {
  93     return 0;
  94 }
  95
  96 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
  97 {
  98     return -1;
  99 }
 100
 101 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
 102 {
 103     return -1;
 104 }
 105
 106 static inline void kvmppc_enable_logical_ci_hcalls(void)
 107 {
 108 }
 109
 110 static inline void kvmppc_enable_set_mode_hcall(void)
 111 {
 112 }
 113
 114 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
 115 {
 116 }
 117
 118 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version)
 119 {
 120     return 0;
 121 }
 122
 123 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
 124 {
 125 }
 126
 127 static inline int kvmppc_smt_threads(void)
 128 {
 129     return 1;
 130 }
 131
 132 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 133 {
 134     return 0;
 135 }
 136
 137 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 138 {
 139     return 0;
 140 }
 141
 142 static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
 143 {
 144     return 0;
 145 }
 146
 147 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
 148 {
 149     return -1;
 150 }
 151
 152 #ifndef CONFIG_USER_ONLY
 153 static inline off_t kvmppc_alloc_rma(void **rma)
 154 {
 155     return 0;
 156 }
 157
 158 static inline bool kvmppc_spapr_use_multitce(void)
 159 {
 160     return false;
 161 }
 162
 163 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
 164                                             uint32_t window_size, int *fd,
 165                                             bool vfio_accel)
 166 {
 167     return NULL;
 168 }
 169
 170 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 171                                           uint32_t nb_table)
 172 {
 173     return -1;
 174 }
 175
 176 static inline int kvmppc_reset_htab(int shift_hint)
 177 {
 178     return 0;
 179 }
 180
 181 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 182                                        unsigned int hash_shift)
 183 {
 184     return ram_size;
 185 }
 186
 187 #endif /* !CONFIG_USER_ONLY */
 188
 189 static inline bool kvmppc_has_cap_epr(void)
 190 {
 191     return false;
 192 }
 193
 194 static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
 195                                                   const char *function)
 196 {
 197     return -1;
 198 }
 199
 200 static inline bool kvmppc_has_cap_htab_fd(void)
 201 {
 202     return false;
 203 }
 204
 205 static inline int kvmppc_get_htab_fd(bool write)
 206 {
 207     return -1;
 208 }
 209
 210 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
 211                                    int64_t max_ns)
 212 {
 213     abort();
 214 }
 215
 216 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
 217                                          uint16_t n_valid, uint16_t n_invalid)
 218 {
 219     abort();
 220 }
 221
 222 static inline uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu,
 223                                                target_ulong pte_index)
 224 {
 225     abort();
 226 }
 227
 228 static inline void kvmppc_hash64_free_pteg(uint64_t token)
 229 {
 230     abort();
 231 }
 232
 233 static inline void kvmppc_hash64_write_pte(CPUPPCState *env,
 234                                            target_ulong pte_index,
 235                                            target_ulong pte0, target_ulong pte1)
 236 {
 237     abort();
 238 }
 239
 240 static inline bool kvmppc_has_cap_fixup_hcalls(void)
 241 {
 242     abort();
 243 }
 244
 245 static inline int kvmppc_enable_hwrng(void)
 246 {
 247     return -1;
 248 }
 249 #endif
 250
 251 #ifndef CONFIG_KVM
 252
 253 #define kvmppc_eieio() do { } while (0)
 254
 255 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 256 {
 257 }
 258
 259 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 260 {
 261 }
 262
 263 #else   /* CONFIG_KVM */
 264
 265 #define kvmppc_eieio() \
 266     do {                                          \
 267         if (kvm_enabled()) {                          \
 268             asm volatile("eieio" : : : "memory"); \
 269         } \
 270     } while (0)
 271
 272 /* Store data cache blocks back to memory */
 273 static inline void kvmppc_dcbst_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 274 {
 275     uint8_t *p;
 276
 277     for (p = addr; p < addr + len; p += cpu->env.dcache_line_size) {
 278         asm volatile("dcbst 0,%0" : : "r"(p) : "memory");
 279     }
 280 }
 281
 282 /* Invalidate instruction cache blocks */
 283 static inline void kvmppc_icbi_range(PowerPCCPU *cpu, uint8_t *addr, int len)
 284 {
 285     uint8_t *p;
 286
 287     for (p = addr; p < addr + len; p += cpu->env.icache_line_size) {
 288         asm volatile("icbi 0,%0" : : "r"(p));
 289     }
 290 }
 291
 292 #endif  /* CONFIG_KVM */
 293
 294 #ifndef KVM_INTERRUPT_SET
 295 #define KVM_INTERRUPT_SET -1
 296 #endif
 297
 298 #ifndef KVM_INTERRUPT_UNSET
 299 #define KVM_INTERRUPT_UNSET -2
 300 #endif
 301
 302 #ifndef KVM_INTERRUPT_SET_LEVEL
 303 #define KVM_INTERRUPT_SET_LEVEL -3
 304 #endif
 305
 306 #endif /* __KVM_PPC_H__ */