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_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 vfio_accel);
  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
  58 #else
  59
  60 static inline uint32_t kvmppc_get_tbfreq(void)
  61 {
  62     return 0;
  63 }
  64
  65 static inline bool kvmppc_get_host_model(char **buf)
  66 {
  67     return false;
  68 }
  69
  70 static inline bool kvmppc_get_host_serial(char **buf)
  71 {
  72     return false;
  73 }
  74
  75 static inline uint64_t kvmppc_get_clockfreq(void)
  76 {
  77     return 0;
  78 }
  79
  80 static inline uint32_t kvmppc_get_vmx(void)
  81 {
  82     return 0;
  83 }
  84
  85 static inline uint32_t kvmppc_get_dfp(void)
  86 {
  87     return 0;
  88 }
  89
  90 static inline int kvmppc_get_hasidle(CPUPPCState *env)
  91 {
  92     return 0;
  93 }
  94
  95 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
  96 {
  97     return -1;
  98 }
  99
 100 static inline int kvmppc_read_segment_page_sizes(uint32_t *prop, int maxcells)
 101 {
 102     return -1;
 103 }
 104
 105 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
 106 {
 107     return -1;
 108 }
 109
 110 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
 111 {
 112 }
 113
 114 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version)
 115 {
 116     return 0;
 117 }
 118
 119 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
 120 {
 121 }
 122
 123 static inline int kvmppc_smt_threads(void)
 124 {
 125     return 1;
 126 }
 127
 128 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 129 {
 130     return 0;
 131 }
 132
 133 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 134 {
 135     return 0;
 136 }
 137
 138 static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
 139 {
 140     return 0;
 141 }
 142
 143 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
 144 {
 145     return -1;
 146 }
 147
 148 #ifndef CONFIG_USER_ONLY
 149 static inline off_t kvmppc_alloc_rma(void **rma)
 150 {
 151     return 0;
 152 }
 153
 154 static inline bool kvmppc_spapr_use_multitce(void)
 155 {
 156     return false;
 157 }
 158
 159 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
 160                                             uint32_t window_size, int *fd,
 161                                             bool vfio_accel)
 162 {
 163     return NULL;
 164 }
 165
 166 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 167                                           uint32_t nb_table)
 168 {
 169     return -1;
 170 }
 171
 172 static inline int kvmppc_reset_htab(int shift_hint)
 173 {
 174     return -1;
 175 }
 176
 177 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 178                                        unsigned int hash_shift)
 179 {
 180     return ram_size;
 181 }
 182
 183 static inline int kvmppc_update_sdr1(CPUPPCState *env)
 184 {
 185     return 0;
 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 #endif
 247
 248 #ifndef CONFIG_KVM
 249 #define kvmppc_eieio() do { } while (0)
 250 #else
 251 #define kvmppc_eieio() \
 252     do {                                          \
 253         if (kvm_enabled()) {                          \
 254             asm volatile("eieio" : : : "memory"); \
 255         } \
 256     } while (0)
 257 #endif
 258
 259 #ifndef KVM_INTERRUPT_SET
 260 #define KVM_INTERRUPT_SET -1
 261 #endif
 262
 263 #ifndef KVM_INTERRUPT_UNSET
 264 #define KVM_INTERRUPT_UNSET -2
 265 #endif
 266
 267 #ifndef KVM_INTERRUPT_SET_LEVEL
 268 #define KVM_INTERRUPT_SET_LEVEL -3
 269 #endif
 270
 271 #endif /* __KVM_PPC_H__ */