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