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 #ifndef CONFIG_USER_ONLY
  29 off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem);
  30 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd);
  31 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  32 int kvmppc_reset_htab(int shift_hint);
  33 uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift);
  34 #endif /* !CONFIG_USER_ONLY */
  35 int kvmppc_fixup_cpu(PowerPCCPU *cpu);
  36
  37 #else
  38
  39 static inline uint32_t kvmppc_get_tbfreq(void)
  40 {
  41     return 0;
  42 }
  43
  44 static inline uint64_t kvmppc_get_clockfreq(void)
  45 {
  46     return 0;
  47 }
  48
  49 static inline uint32_t kvmppc_get_vmx(void)
  50 {
  51     return 0;
  52 }
  53
  54 static inline uint32_t kvmppc_get_dfp(void)
  55 {
  56     return 0;
  57 }
  58
  59 static inline int kvmppc_get_hasidle(CPUPPCState *env)
  60 {
  61     return 0;
  62 }
  63
  64 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
  65 {
  66     return -1;
  67 }
  68
  69 static inline int kvmppc_read_segment_page_sizes(uint32_t *prop, int maxcells)
  70 {
  71     return -1;
  72 }
  73
  74 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
  75 {
  76     return -1;
  77 }
  78
  79 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
  80 {
  81 }
  82
  83 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
  84 {
  85 }
  86
  87 static inline int kvmppc_smt_threads(void)
  88 {
  89     return 1;
  90 }
  91
  92 #ifndef CONFIG_USER_ONLY
  93 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
  94 {
  95     return 0;
  96 }
  97
  98 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
  99                                             uint32_t window_size, int *fd)
 100 {
 101     return NULL;
 102 }
 103
 104 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 105                                           uint32_t window_size)
 106 {
 107     return -1;
 108 }
 109
 110 static inline int kvmppc_reset_htab(int shift_hint)
 111 {
 112     return -1;
 113 }
 114
 115 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 116                                        unsigned int hash_shift)
 117 {
 118     return ram_size;
 119 }
 120
 121 static inline int kvmppc_update_sdr1(CPUPPCState *env)
 122 {
 123     return 0;
 124 }
 125
 126 #endif /* !CONFIG_USER_ONLY */
 127
 128 static inline int kvmppc_fixup_cpu(PowerPCCPU *cpu)
 129 {
 130     return -1;
 131 }
 132 #endif
 133
 134 #ifndef CONFIG_KVM
 135 #define kvmppc_eieio() do { } while (0)
 136 #else
 137 #define kvmppc_eieio() \
 138     do {                                          \
 139         if (kvm_enabled()) {                          \
 140             asm volatile("eieio" : : : "memory"); \
 141         } \
 142     } while (0)
 143 #endif
 144
 145 #ifndef KVM_INTERRUPT_SET
 146 #define KVM_INTERRUPT_SET -1
 147 #endif
 148
 149 #ifndef KVM_INTERRUPT_UNSET
 150 #define KVM_INTERRUPT_UNSET -2
 151 #endif
 152
 153 #ifndef KVM_INTERRUPT_SET_LEVEL
 154 #define KVM_INTERRUPT_SET_LEVEL -3
 155 #endif
 156
 157 #endif /* __KVM_PPC_H__ */