/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __I8254_H #define __I8254_H #include <linux/kthread.h> #include <kvm/iodev.h> struct kvm_kpit_channel_state { u32 count; /* can be 65536 */ u16 latched_count; u8 count_latched; u8 status_latched; u8 status; u8 read_state; u8 write_state; u8 write_latch; u8 rw_mode; u8 mode; u8 bcd; /* not supported */ u8 gate; /* timer start */ ktime_t count_load_time; }; struct kvm_kpit_state { /* All members before "struct mutex lock" are protected by the lock. */ struct kvm_kpit_channel_state channels[3]; u32 flags; bool is_periodic; s64 period; /* unit: ns */ struct hrtimer timer; u32 speaker_data_on; struct mutex lock; atomic_t reinject; atomic_t pending; /* accumulated triggered timers */ atomic_t irq_ack; struct kvm_irq_ack_notifier irq_ack_notifier; }; struct kvm_pit { 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 kthread_work expired; }; #define KVM_PIT_BASE_ADDRESS 0x40 #define KVM_SPEAKER_BASE_ADDRESS 0x61 #define KVM_PIT_MEM_LENGTH 4 #define KVM_PIT_FREQ 1193181 #define KVM_MAX_PIT_INTR_INTERVAL HZ / 100 #define KVM_PIT_CHANNEL_MASK 0x3 struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags); void kvm_free_pit(struct kvm *kvm); void kvm_pit_load_count(struct kvm_pit *pit, int channel, u32 val, int hpet_legacy_start); void kvm_pit_set_reinject(struct kvm_pit *pit, bool reinject); #endifOverall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Sheng Yang | 140 | 62.22% | 4 | 22.22% |
| Radim Krčmář | 38 | 16.89% | 5 | 27.78% |
| Avi Kivity | 28 | 12.44% | 3 | 16.67% |
| Jan Kiszka | 6 | 2.67% | 1 | 5.56% |
| Chris Lalancette | 5 | 2.22% | 1 | 5.56% |
| Marcelo Tosatti | 5 | 2.22% | 1 | 5.56% |
| Greg Kroah-Hartman | 1 | 0.44% | 1 | 5.56% |
| Andre Przywara | 1 | 0.44% | 1 | 5.56% |
| Petr Mladek | 1 | 0.44% | 1 | 5.56% |
| Total | 225 | 100.00% | 18 | 100.00% |