Commit 8a7c7393 authored by Jan Kiszka's avatar Jan Kiszka Committed by Avi Kivity
Browse files

kvm: Add kvm_has_pit_state2 helper 



To be used for in-kernel PIT emulation.

Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 3fbc1c0c

kvm-all.c

+10 −0
Original line number Diff line number Diff line
@@ -76,6 +76,7 @@ struct KVMState 
    struct kvm_sw_breakpoint_head kvm_sw_breakpoints;

#endif

    int pit_in_kernel;

    int pit_state2;

    int xsave, xcrs;

    int many_ioeventfds;

    int irqchip_inject_ioctl;
@@ -1058,6 +1059,10 @@ int kvm_init(void) 
    s->xcrs = kvm_check_extension(s, KVM_CAP_XCRS);

#endif



#ifdef KVM_CAP_PIT_STATE2

    s->pit_state2 = kvm_check_extension(s, KVM_CAP_PIT_STATE2);

#endif



    ret = kvm_arch_init(s);

    if (ret < 0) {

        goto err;
@@ -1390,6 +1395,11 @@ int kvm_has_xcrs(void) 
    return kvm_state->xcrs;

}



int kvm_has_pit_state2(void)

{

    return kvm_state->pit_state2;

}



int kvm_has_many_ioeventfds(void)

{

    if (!kvm_enabled()) {

kvm-stub.c

+5 −0
Original line number Diff line number Diff line
@@ -78,6 +78,11 @@ int kvm_allows_irq0_override(void) 
    return 1;

}



int kvm_has_pit_state2(void)

{

    return 0;

}



void kvm_setup_guest_memory(void *start, size_t size)

{

}

kvm.h

+1 −0
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ int kvm_has_robust_singlestep(void); 
int kvm_has_debugregs(void);

int kvm_has_xsave(void);

int kvm_has_xcrs(void);

int kvm_has_pit_state2(void);

int kvm_has_many_ioeventfds(void);

int kvm_has_gsi_routing(void);