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| author | Eddie Dong <eddie.dong@intel.com> | 2007-08-06 15:29:07 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-10-13 10:18:26 +0200 |
| commit | 2a8067f17b8442ecce0b14e134823020ff33b4fa (patch) | |
| tree | e7f65775b3ced0c42de2df8118a84e7ddb9fff7d /drivers/kvm/svm.c | |
| parent | KVM: in-kernel LAPIC save and restore support (diff) | |
| download | linux-2a8067f17b8442ecce0b14e134823020ff33b4fa.tar.xz linux-2a8067f17b8442ecce0b14e134823020ff33b4fa.zip | |
KVM: pending irq save/restore
Add in kernel irqchip save/restore support for pending vectors.
[avi: fix compile warning on i386]
[avi: remove printk]
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Qing He <qing.he@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/svm.c')
| -rw-r--r-- | drivers/kvm/svm.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index a347b61644cd..c8cd242f36ff 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -843,6 +843,16 @@ static int svm_guest_debug(struct kvm_vcpu *vcpu, struct kvm_debug_guest *dbg) return -EOPNOTSUPP; } +static int svm_get_irq(struct kvm_vcpu *vcpu) +{ + struct vcpu_svm *svm = to_svm(vcpu); + u32 exit_int_info = svm->vmcb->control.exit_int_info; + + if (is_external_interrupt(exit_int_info)) + return exit_int_info & SVM_EVTINJ_VEC_MASK; + return -1; +} + static void load_host_msrs(struct kvm_vcpu *vcpu) { #ifdef CONFIG_X86_64 @@ -1310,6 +1320,13 @@ static inline void svm_inject_irq(struct vcpu_svm *svm, int irq) ((/*control->int_vector >> 4*/ 0xf) << V_INTR_PRIO_SHIFT); } +static void svm_set_irq(struct kvm_vcpu *vcpu, int irq) +{ + struct vcpu_svm *svm = to_svm(vcpu); + + svm_inject_irq(svm, irq); +} + static void svm_intr_assist(struct vcpu_svm *svm) { struct vmcb *vmcb = svm->vmcb; @@ -1783,6 +1800,8 @@ static struct kvm_arch_ops svm_arch_ops = { .run = svm_vcpu_run, .skip_emulated_instruction = skip_emulated_instruction, .patch_hypercall = svm_patch_hypercall, + .get_irq = svm_get_irq, + .set_irq = svm_set_irq, }; static int __init svm_init(void) |