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kvm: Introduce kvm_has_intx_set_mask

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Will be used by PCI device assignment code.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Jan Kiszka 2012-08-27 08:28:39 +02:00 committed by Avi Kivity
parent cc57407e96
commit 3ab7384244
2 changed files with 9 additions and 0 deletions
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8
kvm-all.c
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@ -88,6 +88,7 @@ struct KVMState
int pit_state2;
int xsave, xcrs;
int many_ioeventfds;
int intx_set_mask;
/* The man page (and posix) say ioctl numbers are signed int, but
* they're not. Linux, glibc and *BSD all treat ioctl numbers as
* unsigned, and treating them as signed here can break things */
@ -1386,6 +1387,8 @@ int kvm_init(void)
s->direct_msi = (kvm_check_extension(s, KVM_CAP_SIGNAL_MSI) > 0);
#endif
s->intx_set_mask = kvm_check_extension(s, KVM_CAP_PCI_2_3);
ret = kvm_arch_init(s);
if (ret < 0) {
goto err;
@ -1740,6 +1743,11 @@ int kvm_has_gsi_routing(void)
#endif
}
int kvm_has_intx_set_mask(void)
{
return kvm_state->intx_set_mask;
}
void *kvm_vmalloc(ram_addr_t size)
{
#ifdef TARGET_S390X

1
kvm.h
View File

@ -117,6 +117,7 @@ int kvm_has_xcrs(void);
int kvm_has_pit_state2(void);
int kvm_has_many_ioeventfds(void);
int kvm_has_gsi_routing(void);
int kvm_has_intx_set_mask(void);
#ifdef NEED_CPU_H
int kvm_init_vcpu(CPUArchState *env);