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