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KVM: PPC: Expose fixup hcall capability

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New kvm versions expose a PPC_FIXUP_HCALL capability. Make it visible to
machine code so we can take decisions based on it.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2014-06-04 12:14:08 +02:00
parent b061808d39
commit 87a91de61a
2 changed files with 13 additions and 0 deletions
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7
target-ppc/kvm.c
View File

@ -69,6 +69,7 @@ static int cap_epr;
static int cap_ppc_watchdog;
static int cap_papr;
static int cap_htab_fd;
static int cap_fixup_hcalls;
/* XXX We have a race condition where we actually have a level triggered
* interrupt, but the infrastructure can't expose that yet, so the guest
@ -107,6 +108,7 @@ int kvm_arch_init(KVMState *s)
/* Note: we don't set cap_papr here, because this capability is
* only activated after this by kvmppc_set_papr() */
cap_htab_fd = kvm_check_extension(s, KVM_CAP_PPC_HTAB_FD);
cap_fixup_hcalls = kvm_check_extension(s, KVM_CAP_PPC_FIXUP_HCALL);
if (!cap_interrupt_level) {
fprintf(stderr, "KVM: Couldn't find level irq capability. Expect the "
@ -1780,6 +1782,11 @@ bool kvmppc_has_cap_htab_fd(void)
return cap_htab_fd;
}
bool kvmppc_has_cap_fixup_hcalls(void)
{
return cap_fixup_hcalls;
}
static PowerPCCPUClass *ppc_cpu_get_family_class(PowerPCCPUClass *pcc)
{
ObjectClass *oc = OBJECT_CLASS(pcc);

6
target-ppc/kvm_ppc.h
View File

@ -50,6 +50,7 @@ void kvmppc_hash64_free_pteg(uint64_t token);
void kvmppc_hash64_write_pte(CPUPPCState *env, target_ulong pte_index,
target_ulong pte0, target_ulong pte1);
bool kvmppc_has_cap_fixup_hcalls(void);
#else
@ -223,6 +224,11 @@ static inline void kvmppc_hash64_write_pte(CPUPPCState *env,
abort();
}
static inline bool kvmppc_has_cap_fixup_hcalls(void)
{
abort();
}
#endif
#ifndef CONFIG_KVM