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 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_set_papr(PowerPCCPU *cpu);
  26 int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version);
  27 void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
  28 int kvmppc_smt_threads(void);
  29 int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
  30 int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits);
  31 int kvmppc_set_tcr(PowerPCCPU *cpu);
  32 int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu);
  33 #ifndef CONFIG_USER_ONLY
  34 off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem);
  35 bool kvmppc_spapr_use_multitce(void);
  36 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd,
  37                               bool vfio_accel);
  38 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  39 int kvmppc_reset_htab(int shift_hint);
  40 uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift);
  41 #endif /* !CONFIG_USER_ONLY */
  42 bool kvmppc_has_cap_epr(void);
  43 int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function);
  44 bool kvmppc_has_cap_htab_fd(void);
  45 int kvmppc_get_htab_fd(bool write);
  46 int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns);
  47 int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
  48                            uint16_t n_valid, uint16_t n_invalid);
  49 uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu, target_ulong pte_index);
  50 void kvmppc_hash64_free_pteg(uint64_t token);
  51
  52 void kvmppc_hash64_write_pte(CPUPPCState *env, target_ulong pte_index,
  53                              target_ulong pte0, target_ulong pte1);
  54 bool kvmppc_has_cap_fixup_hcalls(void);
  55
  56 #else
  57
  58 static inline uint32_t kvmppc_get_tbfreq(void)
  59 {
  60     return 0;
  61 }
  62
  63 static inline uint64_t kvmppc_get_clockfreq(void)
  64 {
  65     return 0;
  66 }
  67
  68 static inline uint32_t kvmppc_get_vmx(void)
  69 {
  70     return 0;
  71 }
  72
  73 static inline uint32_t kvmppc_get_dfp(void)
  74 {
  75     return 0;
  76 }
  77
  78 static inline int kvmppc_get_hasidle(CPUPPCState *env)
  79 {
  80     return 0;
  81 }
  82
  83 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
  84 {
  85     return -1;
  86 }
  87
  88 static inline int kvmppc_read_segment_page_sizes(uint32_t *prop, int maxcells)
  89 {
  90     return -1;
  91 }
  92
  93 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
  94 {
  95     return -1;
  96 }
  97
  98 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
  99 {
 100 }
 101
 102 static inline int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version)
 103 {
 104     return 0;
 105 }
 106
 107 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
 108 {
 109 }
 110
 111 static inline int kvmppc_smt_threads(void)
 112 {
 113     return 1;
 114 }
 115
 116 static inline int kvmppc_or_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 117 {
 118     return 0;
 119 }
 120
 121 static inline int kvmppc_clear_tsr_bits(PowerPCCPU *cpu, uint32_t tsr_bits)
 122 {
 123     return 0;
 124 }
 125
 126 static inline int kvmppc_set_tcr(PowerPCCPU *cpu)
 127 {
 128     return 0;
 129 }
 130
 131 static inline int kvmppc_booke_watchdog_enable(PowerPCCPU *cpu)
 132 {
 133     return -1;
 134 }
 135
 136 #ifndef CONFIG_USER_ONLY
 137 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
 138 {
 139     return 0;
 140 }
 141
 142 static inline bool kvmppc_spapr_use_multitce(void)
 143 {
 144     return false;
 145 }
 146
 147 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
 148                                             uint32_t window_size, int *fd,
 149                                             bool vfio_accel)
 150 {
 151     return NULL;
 152 }
 153
 154 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 155                                           uint32_t nb_table)
 156 {
 157     return -1;
 158 }
 159
 160 static inline int kvmppc_reset_htab(int shift_hint)
 161 {
 162     return -1;
 163 }
 164
 165 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 166                                        unsigned int hash_shift)
 167 {
 168     return ram_size;
 169 }
 170
 171 static inline int kvmppc_update_sdr1(CPUPPCState *env)
 172 {
 173     return 0;
 174 }
 175
 176 #endif /* !CONFIG_USER_ONLY */
 177
 178 static inline bool kvmppc_has_cap_epr(void)
 179 {
 180     return false;
 181 }
 182
 183 static inline int kvmppc_define_rtas_kernel_token(uint32_t token,
 184                                                   const char *function)
 185 {
 186     return -1;
 187 }
 188
 189 static inline bool kvmppc_has_cap_htab_fd(void)
 190 {
 191     return false;
 192 }
 193
 194 static inline int kvmppc_get_htab_fd(bool write)
 195 {
 196     return -1;
 197 }
 198
 199 static inline int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize,
 200                                    int64_t max_ns)
 201 {
 202     abort();
 203 }
 204
 205 static inline int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index,
 206                                          uint16_t n_valid, uint16_t n_invalid)
 207 {
 208     abort();
 209 }
 210
 211 static inline uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu,
 212                                                target_ulong pte_index)
 213 {
 214     abort();
 215 }
 216
 217 static inline void kvmppc_hash64_free_pteg(uint64_t token)
 218 {
 219     abort();
 220 }
 221
 222 static inline void kvmppc_hash64_write_pte(CPUPPCState *env,
 223                                            target_ulong pte_index,
 224                                            target_ulong pte0, target_ulong pte1)
 225 {
 226     abort();
 227 }
 228
 229 static inline bool kvmppc_has_cap_fixup_hcalls(void)
 230 {
 231     abort();
 232 }
 233
 234 #endif
 235
 236 #ifndef CONFIG_KVM
 237 #define kvmppc_eieio() do { } while (0)
 238 #else
 239 #define kvmppc_eieio() \
 240     do {                                          \
 241         if (kvm_enabled()) {                          \
 242             asm volatile("eieio" : : : "memory"); \
 243         } \
 244     } while (0)
 245 #endif
 246
 247 #ifndef KVM_INTERRUPT_SET
 248 #define KVM_INTERRUPT_SET -1
 249 #endif
 250
 251 #ifndef KVM_INTERRUPT_UNSET
 252 #define KVM_INTERRUPT_UNSET -2
 253 #endif
 254
 255 #ifndef KVM_INTERRUPT_SET_LEVEL
 256 #define KVM_INTERRUPT_SET_LEVEL -3
 257 #endif
 258
 259 #endif /* __KVM_PPC_H__ */