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 void kvmppc_init(void);
  15
  16 #ifdef CONFIG_KVM
  17
  18 uint32_t kvmppc_get_tbfreq(void);
  19 uint64_t kvmppc_get_clockfreq(void);
  20 uint32_t kvmppc_get_vmx(void);
  21 uint32_t kvmppc_get_dfp(void);
  22 bool kvmppc_get_host_model(char **buf);
  23 bool kvmppc_get_host_serial(char **buf);
  24 int kvmppc_get_hasidle(CPUPPCState *env);
  25 int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len);
  26 int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level);
  27 void kvmppc_enable_logical_ci_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 vfio_accel);
  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
  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_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 vfio_accel)
 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 -1;
 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 static inline int kvmppc_update_sdr1(CPUPPCState *env)
 189 {
 190     return 0;
 191 }
 192
 193 #endif /* !CONFIG_USER_ONLY */
 194
 195 static inline bool kvmppc_has_cap_epr(void)
 196 {
 197     return false;
 198 }
 199
 200 static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
 201                                                   const char *function)
 202 {
 203     return -1;
 204 }
 205
 206 static inline bool kvmppc_has_cap_htab_fd(void)
 207 {
 208     return false;
 209 }
 210
 211 static inline int kvmppc_get_htab_fd(bool write)
 212 {
 213     return -1;
 214 }
 215
 216 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
 217                                    int64_t max_ns)
 218 {
 219     abort();
 220 }
 221
 222 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
 223                                          uint16_t n_valid, uint16_t n_invalid)
 224 {
 225     abort();
 226 }
 227
 228 static inline uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu,
 229                                                target_ulong pte_index)
 230 {
 231     abort();
 232 }
 233
 234 static inline void kvmppc_hash64_free_pteg(uint64_t token)
 235 {
 236     abort();
 237 }
 238
 239 static inline void kvmppc_hash64_write_pte(CPUPPCState *env,
 240                                            target_ulong pte_index,
 241                                            target_ulong pte0, target_ulong pte1)
 242 {
 243     abort();
 244 }
 245
 246 static inline bool kvmppc_has_cap_fixup_hcalls(void)
 247 {
 248     abort();
 249 }
 250
 251 #endif
 252
 253 #ifndef CONFIG_KVM
 254 #define kvmppc_eieio() do { } while (0)
 255 #else
 256 #define kvmppc_eieio() \
 257     do {                                          \
 258         if (kvm_enabled()) {                          \
 259             asm volatile("eieio" : : : "memory"); \
 260         } \
 261     } while (0)
 262 #endif
 263
 264 #ifndef KVM_INTERRUPT_SET
 265 #define KVM_INTERRUPT_SET -1
 266 #endif
 267
 268 #ifndef KVM_INTERRUPT_UNSET
 269 #define KVM_INTERRUPT_UNSET -2
 270 #endif
 271
 272 #ifndef KVM_INTERRUPT_SET_LEVEL
 273 #define KVM_INTERRUPT_SET_LEVEL -3
 274 #endif
 275
 276 #endif /* __KVM_PPC_H__ */