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 "memory.h"
  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_hypercall(CPUState *env, uint8_t *buf, int buf_len);
  23 int kvmppc_set_interrupt(CPUState *env, int irq, int level);
  24 void kvmppc_set_papr(CPUState *env);
  25 int kvmppc_smt_threads(void);
  26 off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem);
  27 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd);
  28 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  29
  30 #else
  31
  32 static inline uint32_t kvmppc_get_tbfreq(void)
  33 {
  34     return 0;
  35 }
  36
  37 static inline uint64_t kvmppc_get_clockfreq(void)
  38 {
  39     return 0;
  40 }
  41
  42 static inline uint32_t kvmppc_get_vmx(void)
  43 {
  44     return 0;
  45 }
  46
  47 static inline uint32_t kvmppc_get_dfp(void)
  48 {
  49     return 0;
  50 }
  51
  52 static inline int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len)
  53 {
  54     return -1;
  55 }
  56
  57 static inline int kvmppc_set_interrupt(CPUState *env, int irq, int level)
  58 {
  59     return -1;
  60 }
  61
  62 static inline void kvmppc_set_papr(CPUState *env)
  63 {
  64 }
  65
  66 static inline int kvmppc_smt_threads(void)
  67 {
  68     return 1;
  69 }
  70
  71 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
  72 {
  73     return 0;
  74 }
  75
  76 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
  77                                             uint32_t window_size, int *fd)
  78 {
  79     return NULL;
  80 }
  81
  82 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
  83                                           uint32_t window_size)
  84 {
  85     return -1;
  86 }
  87
  88 #endif
  89
  90 #ifndef CONFIG_KVM
  91 #define kvmppc_eieio() do { } while (0)
  92 #else
  93 #define kvmppc_eieio() \
  94     do {                                          \
  95         if (kvm_enabled()) {                          \
  96             asm volatile("eieio" : : : "memory"); \
  97         } \
  98     } while (0)
  99 #endif
 100
 101 #ifndef KVM_INTERRUPT_SET
 102 #define KVM_INTERRUPT_SET -1
 103 #endif
 104
 105 #ifndef KVM_INTERRUPT_UNSET
 106 #define KVM_INTERRUPT_UNSET -2
 107 #endif
 108
 109 #ifndef KVM_INTERRUPT_SET_LEVEL
 110 #define KVM_INTERRUPT_SET_LEVEL -3
 111 #endif
 112
 113 #endif /* __KVM_PPC_H__ */