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