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