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 #include "exec/memory.h"
  13
  14 #define TYPE_HOST_POWERPC_CPU "host-" TYPE_POWERPC_CPU
  15
  16 void kvmppc_init(void);
  17
  18 #ifdef CONFIG_KVM
  19
  20 uint32_t kvmppc_get_tbfreq(void);
  21 uint64_t kvmppc_get_clockfreq(void);
  22 uint32_t kvmppc_get_vmx(void);
  23 uint32_t kvmppc_get_dfp(void);
  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 void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
  29 int kvmppc_smt_threads(void);
  30 #ifndef CONFIG_USER_ONLY
  31 off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem);
  32 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd);
  33 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  34 int kvmppc_reset_htab(int shift_hint);
  35 uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift);
  36 #endif /* !CONFIG_USER_ONLY */
  37 int kvmppc_fixup_cpu(PowerPCCPU *cpu);
  38
  39 #else
  40
  41 static inline uint32_t kvmppc_get_tbfreq(void)
  42 {
  43     return 0;
  44 }
  45
  46 static inline uint64_t kvmppc_get_clockfreq(void)
  47 {
  48     return 0;
  49 }
  50
  51 static inline uint32_t kvmppc_get_vmx(void)
  52 {
  53     return 0;
  54 }
  55
  56 static inline uint32_t kvmppc_get_dfp(void)
  57 {
  58     return 0;
  59 }
  60
  61 static inline int kvmppc_get_hasidle(CPUPPCState *env)
  62 {
  63     return 0;
  64 }
  65
  66 static inline int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len)
  67 {
  68     return -1;
  69 }
  70
  71 static inline int kvmppc_read_segment_page_sizes(uint32_t *prop, int maxcells)
  72 {
  73     return -1;
  74 }
  75
  76 static inline int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level)
  77 {
  78     return -1;
  79 }
  80
  81 static inline void kvmppc_set_papr(PowerPCCPU *cpu)
  82 {
  83 }
  84
  85 static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
  86 {
  87 }
  88
  89 static inline int kvmppc_smt_threads(void)
  90 {
  91     return 1;
  92 }
  93
  94 #ifndef CONFIG_USER_ONLY
  95 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
  96 {
  97     return 0;
  98 }
  99
 100 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
 101                                             uint32_t window_size, int *fd)
 102 {
 103     return NULL;
 104 }
 105
 106 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
 107                                           uint32_t window_size)
 108 {
 109     return -1;
 110 }
 111
 112 static inline int kvmppc_reset_htab(int shift_hint)
 113 {
 114     return -1;
 115 }
 116
 117 static inline uint64_t kvmppc_rma_size(uint64_t current_size,
 118                                        unsigned int hash_shift)
 119 {
 120     return ram_size;
 121 }
 122
 123 static inline int kvmppc_update_sdr1(CPUPPCState *env)
 124 {
 125     return 0;
 126 }
 127
 128 #endif /* !CONFIG_USER_ONLY */
 129
 130 static inline int kvmppc_fixup_cpu(PowerPCCPU *cpu)
 131 {
 132     return -1;
 133 }
 134 #endif
 135
 136 #ifndef CONFIG_KVM
 137 #define kvmppc_eieio() do { } while (0)
 138 #else
 139 #define kvmppc_eieio() \
 140     do {                                          \
 141         if (kvm_enabled()) {                          \
 142             asm volatile("eieio" : : : "memory"); \
 143         } \
 144     } while (0)
 145 #endif
 146
 147 #ifndef KVM_INTERRUPT_SET
 148 #define KVM_INTERRUPT_SET -1
 149 #endif
 150
 151 #ifndef KVM_INTERRUPT_UNSET
 152 #define KVM_INTERRUPT_UNSET -2
 153 #endif
 154
 155 #ifndef KVM_INTERRUPT_SET_LEVEL
 156 #define KVM_INTERRUPT_SET_LEVEL -3
 157 #endif
 158
 159 #endif /* __KVM_PPC_H__ */