projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 82470196 ZX |
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 | |
| 82470196 ZX |
22 | |
| 23 | /* Indirect registers. */ | |
| 24 | #define IOAPIC_REG_APIC_ID 0x00 /* x86 IOAPIC only */ | |
| 25 | #define IOAPIC_REG_VERSION 0x01 | |
| 26 | #define IOAPIC_REG_ARB_ID 0x02 /* x86 IOAPIC only */ | |
| 27 | ||
| 28 | /*ioapic delivery mode*/ | |
| 29 | #define IOAPIC_FIXED 0x0 | |
| 30 | #define IOAPIC_LOWEST_PRIORITY 0x1 | |
| 31 | #define IOAPIC_PMI 0x2 | |
| 32 | #define IOAPIC_NMI 0x4 | |
| 33 | #define IOAPIC_INIT 0x5 | |
| 34 | #define IOAPIC_EXTINT 0x7 | |
| 35 | ||
| 8dc6aade YZ |
36 | #ifdef CONFIG_X86 |
| 37 | #define RTC_GSI 8 | |
| 38 | #else | |
| 39 | #define RTC_GSI -1U | |
| 40 | #endif | |
| 41 | ||
| 42 | struct rtc_status { | |
| 43 | int pending_eoi; | |
| 44 | DECLARE_BITMAP(dest_map, KVM_MAX_VCPUS); | |
| 45 | }; | |
| 46 | ||
| cb5281a5 PB |
47 | union kvm_ioapic_redirect_entry { |
| 48 | u64 bits; | |
| 49 | struct { | |
| 50 | u8 vector; | |
| 51 | u8 delivery_mode:3; | |
| 52 | u8 dest_mode:1; | |
| 53 | u8 delivery_status:1; | |
| 54 | u8 polarity:1; | |
| 55 | u8 remote_irr:1; | |
| 56 | u8 trig_mode:1; | |
| 57 | u8 mask:1; | |
| 58 | u8 reserve:7; | |
| 59 | u8 reserved[4]; | |
| 60 | u8 dest_id; | |
| 61 | } fields; | |
| 62 | }; | |
| 63 | ||
| 82470196 ZX |
64 | struct kvm_ioapic { |
| 65 | u64 base_address; | |
| 66 | u32 ioregsel; | |
| 67 | u32 id; | |
| 68 | u32 irr; | |
| 69 | u32 pad; | |
| cf9e4e15 | 70 | union kvm_ioapic_redirect_entry redirtbl[IOAPIC_NUM_PINS]; |
| 1a6e4a8c | 71 | unsigned long irq_states[IOAPIC_NUM_PINS]; |
| 82470196 ZX |
72 | struct kvm_io_device dev; |
| 73 | struct kvm *kvm; | |
| f5244726 | 74 | void (*ack_notifier)(void *opaque, int irq); |
| 46a47b1e | 75 | spinlock_t lock; |
| 46a929bc | 76 | DECLARE_BITMAP(handled_vectors, 256); |
| 8dc6aade | 77 | struct rtc_status rtc_status; |
| 184564ef ZH |
78 | struct delayed_work eoi_inject; |
| 79 | u32 irq_eoi[IOAPIC_NUM_PINS]; | |
| 82470196 ZX |
80 | }; |
| 81 | ||
| 82 | #ifdef DEBUG | |
| 83 | #define ASSERT(x) \ | |
| 84 | do { \ | |
| 85 | if (!(x)) { \ | |
| 86 | printk(KERN_EMERG "assertion failed %s: %d: %s\n", \ | |
| 87 | __FILE__, __LINE__, #x); \ | |
| 88 | BUG(); \ | |
| 89 | } \ | |
| 90 | } while (0) | |
| 91 | #else | |
| 92 | #define ASSERT(x) do { } while (0) | |
| 93 | #endif | |
| 94 | ||
| 95 | static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm) | |
| 96 | { | |
| 97 | return kvm->arch.vioapic; | |
| 98 | } | |
| 99 | ||
| 10606919 | 100 | void kvm_rtc_eoi_tracking_restore_one(struct kvm_vcpu *vcpu); |
| 52c233a4 | 101 | bool kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source, |
| 394457a9 | 102 | int short_hand, unsigned int dest, int dest_mode); |
| e1035715 | 103 | int kvm_apic_compare_prio(struct kvm_vcpu *vcpu1, struct kvm_vcpu *vcpu2); |
| 1fcc7890 YZ |
104 | void kvm_ioapic_update_eoi(struct kvm_vcpu *vcpu, int vector, |
| 105 | int trigger_mode); | |
| a0c9a822 | 106 | bool kvm_ioapic_handles_vector(struct kvm *kvm, int vector); |
| 82470196 | 107 | int kvm_ioapic_init(struct kvm *kvm); |
| 72bb2fcd | 108 | void kvm_ioapic_destroy(struct kvm *kvm); |
| 1a577b72 | 109 | int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int irq_source_id, |
| aa2fbe6d | 110 | int level, bool line_status); |
| 1a577b72 | 111 | void kvm_ioapic_clear_all(struct kvm_ioapic *ioapic, int irq_source_id); |
| 58c2dde1 | 112 | int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src, |
| b4f2225c | 113 | struct kvm_lapic_irq *irq, unsigned long *dest_map); |
| eba0226b GN |
114 | int kvm_get_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state); |
| 115 | int kvm_set_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state); | |
| cf9e65b7 YZ |
116 | void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap, |
| 117 | u32 *tmr); | |
| eba0226b | 118 | |
| 82470196 | 119 | #endif |