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 void kvmppc_init(void);
  13 #ifndef CONFIG_KVM
  14 static inline int kvmppc_read_host_property(const char *node_path, const char *prop,
  15                                             void *val, size_t len)
  16 {
  17     assert(0);
  18     return -ENOSYS;
  19 }
  20 #else
  21 int kvmppc_read_host_property(const char *node_path, const char *prop,
  22                                      void *val, size_t len);
  23 #endif
  24
  25 uint32_t kvmppc_get_tbfreq(void);
  26 int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len);
  27 int kvmppc_set_interrupt(CPUState *env, int irq, int level);
  28
  29 #ifndef CONFIG_KVM
  30 #define kvmppc_eieio() do { } while (0)
  31 #else
  32 #define kvmppc_eieio() \
  33     do {                                          \
  34         if (kvm_enabled()) {                          \
  35             asm volatile("eieio" : : : "memory"); \
  36         } \
  37     } while (0)
  38 #endif
  39
  40 #ifndef KVM_INTERRUPT_SET
  41 #define KVM_INTERRUPT_SET -1
  42 #endif
  43
  44 #ifndef KVM_INTERRUPT_UNSET
  45 #define KVM_INTERRUPT_UNSET -2
  46 #endif
  47
  48 #ifndef KVM_INTERRUPT_SET_LEVEL
  49 #define KVM_INTERRUPT_SET_LEVEL -3
  50 #endif
  51
  52 #endif /* __KVM_PPC_H__ */