This one is a preparation for kernel devices reset support.
Split ioapic reset API and export PIC reset API
Signed-off-by: Yaozu (Eddie) Dong <[EMAIL PROTECTED]>
diff --git a/drivers/kvm/i8259.c b/drivers/kvm/i8259.c
index a679157..abcf58f 100644
--- a/drivers/kvm/i8259.c
+++ b/drivers/kvm/i8259.c
@@ -181,7 +181,7 @@ int kvm_pic_read_irq(struct kvm_pic *s)
return intno;
}
-static void pic_reset(void *opaque)
+void kvm_pic_reset(void *opaque)
{
struct kvm_kpic_state *s = opaque;
@@ -209,7 +209,7 @@ static void pic_ioport_write(void *opaque, u32 addr,
u32 val)
addr &= 1;
if (addr == 0) {
if (val & 0x10) {
- pic_reset(s); /* init */
+ kvm_pic_reset(s); /* init */
/*
* deassert a pending interrupt
*/
diff --git a/drivers/kvm/ioapic.c b/drivers/kvm/ioapic.c
index 9eb5058..a941c38 100644
--- a/drivers/kvm/ioapic.c
+++ b/drivers/kvm/ioapic.c
@@ -365,18 +365,27 @@ 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;
diff --git a/drivers/kvm/irq.h b/drivers/kvm/irq.h
index 11fc014..9bc43d3 100644
--- a/drivers/kvm/irq.h
+++ b/drivers/kvm/irq.h
@@ -139,6 +139,8 @@ int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu);
int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu);
int kvm_create_lapic(struct kvm_vcpu *vcpu);
void kvm_lapic_reset(struct kvm_vcpu *vcpu);
+void kvm_ioapic_reset(struct kvm_ioapic *ioapic);
+void kvm_pic_reset(void *opaque);
void kvm_free_apic(struct kvm_lapic *apic);
u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu);
void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8);
reset-k1.patch
Description: reset-k1.patch
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