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Diffstat (limited to 'arch/x86/kvm/i8254.h')
-rw-r--r--arch/x86/kvm/i8254.h28
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/x86/kvm/i8254.h b/arch/x86/kvm/i8254.h
index 4178022b97a..dd1b16b611b 100644
--- a/arch/x86/kvm/i8254.h
+++ b/arch/x86/kvm/i8254.h
@@ -1,15 +1,9 @@
#ifndef __I8254_H
#define __I8254_H
-#include "iodev.h"
+#include <linux/kthread.h>
-struct kvm_kpit_timer {
- struct hrtimer timer;
- int irq;
- s64 period; /* unit: ns */
- s64 scheduled;
- atomic_t pending;
-};
+#include "iodev.h"
struct kvm_kpit_channel_state {
u32 count; /* can be 65536 */
@@ -29,7 +23,13 @@ struct kvm_kpit_channel_state {
struct kvm_kpit_state {
struct kvm_kpit_channel_state channels[3];
- struct kvm_kpit_timer pit_timer;
+ u32 flags;
+ bool is_periodic;
+ s64 period; /* unit: ns */
+ struct hrtimer timer;
+ atomic_t pending; /* accumulated triggered timers */
+ bool reinject;
+ struct kvm *kvm;
u32 speaker_data_on;
struct mutex lock;
struct kvm_pit *pit;
@@ -39,12 +39,15 @@ struct kvm_kpit_state {
};
struct kvm_pit {
- unsigned long base_addresss;
struct kvm_io_device dev;
struct kvm_io_device speaker_dev;
struct kvm *kvm;
struct kvm_kpit_state pit_state;
int irq_source_id;
+ struct kvm_irq_mask_notifier mask_notifier;
+ struct kthread_worker worker;
+ struct task_struct *worker_task;
+ struct kthread_work expired;
};
#define KVM_PIT_BASE_ADDRESS 0x40
@@ -54,9 +57,8 @@ struct kvm_pit {
#define KVM_MAX_PIT_INTR_INTERVAL HZ / 100
#define KVM_PIT_CHANNEL_MASK 0x3
-void kvm_inject_pit_timer_irqs(struct kvm_vcpu *vcpu);
-void kvm_pit_load_count(struct kvm *kvm, int channel, u32 val);
-struct kvm_pit *kvm_create_pit(struct kvm *kvm);
+void kvm_pit_load_count(struct kvm *kvm, int channel, u32 val, int hpet_legacy_start);
+struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags);
void kvm_free_pit(struct kvm *kvm);
void kvm_pit_reset(struct kvm_pit *pit);