diff options
| 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/vmx.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 '')
| -rw-r--r-- | drivers/kvm/vmx.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index 7ec8cf84e6ea..6c371ea21046 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -790,6 +790,20 @@ static int set_guest_debug(struct kvm_vcpu *vcpu, struct kvm_debug_guest *dbg) return 0; } +static int vmx_get_irq(struct kvm_vcpu *vcpu) +{ + u32 idtv_info_field; + + idtv_info_field = vmcs_read32(IDT_VECTORING_INFO_FIELD); + if (idtv_info_field & INTR_INFO_VALID_MASK) { + if (is_external_interrupt(idtv_info_field)) + return idtv_info_field & VECTORING_INFO_VECTOR_MASK; + else + printk("pending exception: not handled yet\n"); + } + return -1; +} + static __init int cpu_has_kvm_support(void) { unsigned long ecx = cpuid_ecx(1); @@ -2500,6 +2514,8 @@ static struct kvm_arch_ops vmx_arch_ops = { .run = vmx_vcpu_run, .skip_emulated_instruction = skip_emulated_instruction, .patch_hypercall = vmx_patch_hypercall, + .get_irq = vmx_get_irq, + .set_irq = vmx_inject_irq, }; static int __init vmx_init(void) |