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 #ifndef CONFIG_USER_ONLY
  27 off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem);
  28 void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t window_size, int *pfd);
  29 int kvmppc_remove_spapr_tce(void *table, int pfd, uint32_t window_size);
  30 #endif /* !CONFIG_USER_ONLY */
  31 const ppc_def_t *kvmppc_host_cpu_def(void);
  32
  33 #else
  34
  35 static inline uint32_t kvmppc_get_tbfreq(void)
  36 {
  37     return 0;
  38 }
  39
  40 static inline uint64_t kvmppc_get_clockfreq(void)
  41 {
  42     return 0;
  43 }
  44
  45 static inline uint32_t kvmppc_get_vmx(void)
  46 {
  47     return 0;
  48 }
  49
  50 static inline uint32_t kvmppc_get_dfp(void)
  51 {
  52     return 0;
  53 }
  54
  55 static inline int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len)
  56 {
  57     return -1;
  58 }
  59
  60 static inline int kvmppc_set_interrupt(CPUState *env, int irq, int level)
  61 {
  62     return -1;
  63 }
  64
  65 static inline void kvmppc_set_papr(CPUState *env)
  66 {
  67 }
  68
  69 static inline int kvmppc_smt_threads(void)
  70 {
  71     return 1;
  72 }
  73
  74 #ifndef CONFIG_USER_ONLY
  75 static inline off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem)
  76 {
  77     return 0;
  78 }
  79
  80 static inline void *kvmppc_create_spapr_tce(uint32_t liobn,
  81                                             uint32_t window_size, int *fd)
  82 {
  83     return NULL;
  84 }
  85
  86 static inline int kvmppc_remove_spapr_tce(void *table, int pfd,
  87                                           uint32_t window_size)
  88 {
  89     return -1;
  90 }
  91 #endif /* !CONFIG_USER_ONLY */
  92
  93 static inline const ppc_def_t *kvmppc_host_cpu_def(void)
  94 {
  95     return NULL;
  96 }
  97
  98 #endif
  99
 100 #ifndef CONFIG_KVM
 101 #define kvmppc_eieio() do { } while (0)
 102 #else
 103 #define kvmppc_eieio() \
 104     do {                                          \
 105         if (kvm_enabled()) {                          \
 106             asm volatile("eieio" : : : "memory"); \
 107         } \
 108     } while (0)
 109 #endif
 110
 111 #ifndef KVM_INTERRUPT_SET
 112 #define KVM_INTERRUPT_SET -1
 113 #endif
 114
 115 #ifndef KVM_INTERRUPT_UNSET
 116 #define KVM_INTERRUPT_UNSET -2
 117 #endif
 118
 119 #ifndef KVM_INTERRUPT_SET_LEVEL
 120 #define KVM_INTERRUPT_SET_LEVEL -3
 121 #endif
 122
 123 #endif /* __KVM_PPC_H__ */