diff options
| author | Eddie Dong <eddie.dong@intel.com> | 2007-10-10 12:15:54 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 17:52:55 +0200 |
| commit | 8c392696e749171531d155ea5cefdfc1c970fd18 (patch) | |
| tree | 36b97e721b3423b3272c9866ed32b06251db8b09 /drivers/kvm/ioapic.c | |
| parent | 2fcceae145645ec6a4fab0a806bb674d7484d97b (diff) | |
| download | lwn-8c392696e749171531d155ea5cefdfc1c970fd18.tar.gz lwn-8c392696e749171531d155ea5cefdfc1c970fd18.zip | |
KVM: Split IOAPIC reset function and export for kernel RESET
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/ioapic.c')
| -rw-r--r-- | drivers/kvm/ioapic.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/kvm/ioapic.c b/drivers/kvm/ioapic.c index e14b7c724e67..cf1d50b3549b 100644 --- a/drivers/kvm/ioapic.c +++ b/drivers/kvm/ioapic.c @@ -371,18 +371,27 @@ static void ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len, } } +void kvm_ioapic_reset(struct kvm_ioapic *ioapic) +{ + int i; + + for (i = 0; i < IOAPIC_NUM_PINS; i++) + ioapic->redirtbl[i].fields.mask = 1; + ioapic->base_address = IOAPIC_DEFAULT_BASE_ADDRESS; + ioapic->ioregsel = 0; + ioapic->irr = 0; + ioapic->id = 0; +} + int kvm_ioapic_init(struct kvm *kvm) { struct kvm_ioapic *ioapic; - int i; ioapic = kzalloc(sizeof(struct kvm_ioapic), GFP_KERNEL); if (!ioapic) return -ENOMEM; kvm->vioapic = ioapic; - for (i = 0; i < IOAPIC_NUM_PINS; i++) - ioapic->redirtbl[i].fields.mask = 1; - ioapic->base_address = IOAPIC_DEFAULT_BASE_ADDRESS; + kvm_ioapic_reset(ioapic); ioapic->dev.read = ioapic_mmio_read; ioapic->dev.write = ioapic_mmio_write; ioapic->dev.in_range = ioapic_in_range; |