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