Zhang Xiantao | 8247019 | 2007-12-17 13:59:56 +0800 | [diff] [blame] | 1 | #ifndef __KVM_IO_APIC_H |
| 2 | #define __KVM_IO_APIC_H |
| 3 | |
| 4 | #include <linux/kvm_host.h> |
| 5 | |
| 6 | #include "iodev.h" |
| 7 | |
| 8 | struct kvm; |
| 9 | struct kvm_vcpu; |
| 10 | |
| 11 | #define IOAPIC_NUM_PINS KVM_IOAPIC_NUM_PINS |
| 12 | #define IOAPIC_VERSION_ID 0x11 /* IOAPIC version */ |
| 13 | #define IOAPIC_EDGE_TRIG 0 |
| 14 | #define IOAPIC_LEVEL_TRIG 1 |
| 15 | |
| 16 | #define IOAPIC_DEFAULT_BASE_ADDRESS 0xfec00000 |
| 17 | #define IOAPIC_MEM_LENGTH 0x100 |
| 18 | |
| 19 | /* Direct registers. */ |
| 20 | #define IOAPIC_REG_SELECT 0x00 |
| 21 | #define IOAPIC_REG_WINDOW 0x10 |
| 22 | #define IOAPIC_REG_EOI 0x40 /* IA64 IOSAPIC only */ |
| 23 | |
| 24 | /* Indirect registers. */ |
| 25 | #define IOAPIC_REG_APIC_ID 0x00 /* x86 IOAPIC only */ |
| 26 | #define IOAPIC_REG_VERSION 0x01 |
| 27 | #define IOAPIC_REG_ARB_ID 0x02 /* x86 IOAPIC only */ |
| 28 | |
| 29 | /*ioapic delivery mode*/ |
| 30 | #define IOAPIC_FIXED 0x0 |
| 31 | #define IOAPIC_LOWEST_PRIORITY 0x1 |
| 32 | #define IOAPIC_PMI 0x2 |
| 33 | #define IOAPIC_NMI 0x4 |
| 34 | #define IOAPIC_INIT 0x5 |
| 35 | #define IOAPIC_EXTINT 0x7 |
| 36 | |
| 37 | struct kvm_ioapic { |
| 38 | u64 base_address; |
| 39 | u32 ioregsel; |
| 40 | u32 id; |
| 41 | u32 irr; |
| 42 | u32 pad; |
Sheng Yang | cf9e4e1 | 2009-02-11 16:03:36 +0800 | [diff] [blame] | 43 | union kvm_ioapic_redirect_entry redirtbl[IOAPIC_NUM_PINS]; |
Gleb Natapov | 1a6e4a8 | 2009-08-24 11:54:19 +0300 | [diff] [blame] | 44 | unsigned long irq_states[IOAPIC_NUM_PINS]; |
Zhang Xiantao | 8247019 | 2007-12-17 13:59:56 +0800 | [diff] [blame] | 45 | struct kvm_io_device dev; |
| 46 | struct kvm *kvm; |
Marcelo Tosatti | f524472 | 2008-07-26 17:01:00 -0300 | [diff] [blame] | 47 | void (*ack_notifier)(void *opaque, int irq); |
Marcelo Tosatti | 46a47b1 | 2010-04-23 14:03:38 -0300 | [diff] [blame] | 48 | spinlock_t lock; |
Avi Kivity | 46a929b | 2009-12-28 14:08:30 +0200 | [diff] [blame] | 49 | DECLARE_BITMAP(handled_vectors, 256); |
Zhang Xiantao | 8247019 | 2007-12-17 13:59:56 +0800 | [diff] [blame] | 50 | }; |
| 51 | |
| 52 | #ifdef DEBUG |
| 53 | #define ASSERT(x) \ |
| 54 | do { \ |
| 55 | if (!(x)) { \ |
| 56 | printk(KERN_EMERG "assertion failed %s: %d: %s\n", \ |
| 57 | __FILE__, __LINE__, #x); \ |
| 58 | BUG(); \ |
| 59 | } \ |
| 60 | } while (0) |
| 61 | #else |
| 62 | #define ASSERT(x) do { } while (0) |
| 63 | #endif |
| 64 | |
| 65 | static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm) |
| 66 | { |
| 67 | return kvm->arch.vioapic; |
| 68 | } |
| 69 | |
Gleb Natapov | 343f94f | 2009-03-05 16:34:54 +0200 | [diff] [blame] | 70 | int kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source, |
| 71 | int short_hand, int dest, int dest_mode); |
Gleb Natapov | e103571 | 2009-03-05 16:34:59 +0200 | [diff] [blame] | 72 | int kvm_apic_compare_prio(struct kvm_vcpu *vcpu1, struct kvm_vcpu *vcpu2); |
Marcelo Tosatti | f524472 | 2008-07-26 17:01:00 -0300 | [diff] [blame] | 73 | void kvm_ioapic_update_eoi(struct kvm *kvm, int vector, int trigger_mode); |
Michael S. Tsirkin | a0c9a822 | 2012-04-11 18:49:55 +0300 | [diff] [blame] | 74 | bool kvm_ioapic_handles_vector(struct kvm *kvm, int vector); |
Zhang Xiantao | 8247019 | 2007-12-17 13:59:56 +0800 | [diff] [blame] | 75 | int kvm_ioapic_init(struct kvm *kvm); |
Wei Yongjun | 72bb2fc | 2010-02-09 10:33:03 +0800 | [diff] [blame] | 76 | void kvm_ioapic_destroy(struct kvm *kvm); |
Michael S. Tsirkin | 1a577b7 | 2012-07-19 13:45:20 +0300 | [diff] [blame] | 77 | int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int irq_source_id, |
| 78 | int level); |
| 79 | void kvm_ioapic_clear_all(struct kvm_ioapic *ioapic, int irq_source_id); |
Zhang Xiantao | 8247019 | 2007-12-17 13:59:56 +0800 | [diff] [blame] | 80 | void kvm_ioapic_reset(struct kvm_ioapic *ioapic); |
Gleb Natapov | 58c2dde | 2009-03-05 16:35:04 +0200 | [diff] [blame] | 81 | int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src, |
| 82 | struct kvm_lapic_irq *irq); |
Gleb Natapov | eba0226 | 2009-08-24 11:54:25 +0300 | [diff] [blame] | 83 | int kvm_get_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state); |
| 84 | int kvm_set_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state); |
Yang Zhang | c7c9c56 | 2013-01-25 10:18:51 +0800 | [diff] [blame^] | 85 | void kvm_ioapic_make_eoibitmap_request(struct kvm *kvm); |
| 86 | void kvm_ioapic_calculate_eoi_exitmap(struct kvm_vcpu *vcpu, |
| 87 | u64 *eoi_exit_bitmap); |
| 88 | |
Gleb Natapov | eba0226 | 2009-08-24 11:54:25 +0300 | [diff] [blame] | 89 | |
Zhang Xiantao | 8247019 | 2007-12-17 13:59:56 +0800 | [diff] [blame] | 90 | #endif |