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_read_segment_page_sizes(uint32_t *prop, int maxcells)
 102 {
 103     return -1;
 104 }
 105
 106 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
 107 {
 108     return -1;
 109 }
 110
 111 static inline void kvmppc_enable_logical_ci_hcalls(void)
 112 {
 113 }
 114
 115 static inline void kvmppc_enable_set_mode_hcall(void)
 116 {
 117 }
 118
 119 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
 120 {
 121 }
 122
 123 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version)
 124 {
 125     return 0;
 126 }
 127
 128 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
 129 {
 130 }
 131
 132 static inline int kvmppc_smt_threads(void)
 133 {
 134     return 1;
 135 }
 136
 137 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 138 {
 139     return 0;
 140 }
 141
 142 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 143 {
 144     return 0;
 145 }
 146
 147 static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
 148 {
 149     return 0;
 150 }
 151
 152 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
 153 {
 154     return -1;
 155 }
 156
 157 #ifndef CONFIG_USER_ONLY
 158 static inline off_t kvmppc_alloc_rma(void **rma)
 159 {
 160     return 0;
 161 }
 162
 163 static inline bool kvmppc_spapr_use_multitce(void)
 164 {
 165     return false;
 166 }
 167
 168 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
 169                                             uint32_t window_size, int *fd,
 170                                             bool vfio_accel)
 171 {
 172     return NULL;
 173 }
 174
 175 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 176                                           uint32_t nb_table)
 177 {
 178     return -1;
 179 }
 180
 181 static inline int kvmppc_reset_htab(int shift_hint)
 182 {
 183     return 0;
 184 }
 185
 186 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 187                                        unsigned int hash_shift)
 188 {
 189     return ram_size;
 190 }
 191
 192 static inline int kvmppc_update_sdr1(CPUPPCState *env)
 193 {
 194     return 0;
 195 }
 196
 197 #endif /* !CONFIG_USER_ONLY */
 198
 199 static inline bool kvmppc_has_cap_epr(void)
 200 {
 201     return false;
 202 }
 203
 204 static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
 205                                                   const char *function)
 206 {
 207     return -1;
 208 }
 209
 210 static inline bool kvmppc_has_cap_htab_fd(void)
 211 {
 212     return false;
 213 }
 214
 215 static inline int kvmppc_get_htab_fd(bool write)
 216 {
 217     return -1;
 218 }
 219
 220 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
 221                                    int64_t max_ns)
 222 {
 223     abort();
 224 }
 225
 226 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
 227                                          uint16_t n_valid, uint16_t n_invalid)
 228 {
 229     abort();
 230 }
 231
 232 static inline uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu,
 233                                                target_ulong pte_index)
 234 {
 235     abort();
 236 }
 237
 238 static inline void kvmppc_hash64_free_pteg(uint64_t token)
 239 {
 240     abort();
 241 }
 242
 243 static inline void kvmppc_hash64_write_pte(CPUPPCState *env,
 244                                            target_ulong pte_index,
 245                                            target_ulong pte0, target_ulong pte1)
 246 {
 247     abort();
 248 }
 249
 250 static inline bool kvmppc_has_cap_fixup_hcalls(void)
 251 {
 252     abort();
 253 }
 254
 255 static inline int kvmppc_enable_hwrng(void)
 256 {
 257     return -1;
 258 }
 259 #endif
 260
 261 #ifndef CONFIG_KVM
 262 #define kvmppc_eieio() do { } while (0)
 263 #else
 264 #define kvmppc_eieio() \
 265     do {                                          \
 266         if (kvm_enabled()) {                          \
 267             asm volatile("eieio" : : : "memory"); \
 268         } \
 269     } while (0)
 270 #endif
 271
 272 #ifndef KVM_INTERRUPT_SET
 273 #define KVM_INTERRUPT_SET -1
 274 #endif
 275
 276 #ifndef KVM_INTERRUPT_UNSET
 277 #define KVM_INTERRUPT_UNSET -2
 278 #endif
 279
 280 #ifndef KVM_INTERRUPT_SET_LEVEL
 281 #define KVM_INTERRUPT_SET_LEVEL -3
 282 #endif
 283
 284 #endif /* __KVM_PPC_H__ */