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KVM: Move irqchip declarations into new ioapic.h and lapic.h
This allows reuse of ioapic in ia64. Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
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Zhang Xiantao
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Avi Kivity
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Jan 30, 2008
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| #ifndef __KVM_IO_APIC_H | ||
| #define __KVM_IO_APIC_H | ||
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| #include <linux/kvm_host.h> | ||
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| #include "iodev.h" | ||
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| struct kvm; | ||
| struct kvm_vcpu; | ||
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| #define IOAPIC_NUM_PINS KVM_IOAPIC_NUM_PINS | ||
| #define IOAPIC_VERSION_ID 0x11 /* IOAPIC version */ | ||
| #define IOAPIC_EDGE_TRIG 0 | ||
| #define IOAPIC_LEVEL_TRIG 1 | ||
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| #define IOAPIC_DEFAULT_BASE_ADDRESS 0xfec00000 | ||
| #define IOAPIC_MEM_LENGTH 0x100 | ||
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| /* Direct registers. */ | ||
| #define IOAPIC_REG_SELECT 0x00 | ||
| #define IOAPIC_REG_WINDOW 0x10 | ||
| #define IOAPIC_REG_EOI 0x40 /* IA64 IOSAPIC only */ | ||
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| /* Indirect registers. */ | ||
| #define IOAPIC_REG_APIC_ID 0x00 /* x86 IOAPIC only */ | ||
| #define IOAPIC_REG_VERSION 0x01 | ||
| #define IOAPIC_REG_ARB_ID 0x02 /* x86 IOAPIC only */ | ||
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| /*ioapic delivery mode*/ | ||
| #define IOAPIC_FIXED 0x0 | ||
| #define IOAPIC_LOWEST_PRIORITY 0x1 | ||
| #define IOAPIC_PMI 0x2 | ||
| #define IOAPIC_NMI 0x4 | ||
| #define IOAPIC_INIT 0x5 | ||
| #define IOAPIC_EXTINT 0x7 | ||
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| struct kvm_ioapic { | ||
| u64 base_address; | ||
| u32 ioregsel; | ||
| u32 id; | ||
| u32 irr; | ||
| u32 pad; | ||
| union ioapic_redir_entry { | ||
| u64 bits; | ||
| struct { | ||
| u8 vector; | ||
| u8 delivery_mode:3; | ||
| u8 dest_mode:1; | ||
| u8 delivery_status:1; | ||
| u8 polarity:1; | ||
| u8 remote_irr:1; | ||
| u8 trig_mode:1; | ||
| u8 mask:1; | ||
| u8 reserve:7; | ||
| u8 reserved[4]; | ||
| u8 dest_id; | ||
| } fields; | ||
| } redirtbl[IOAPIC_NUM_PINS]; | ||
| struct kvm_io_device dev; | ||
| struct kvm *kvm; | ||
| }; | ||
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| #ifdef DEBUG | ||
| #define ASSERT(x) \ | ||
| do { \ | ||
| if (!(x)) { \ | ||
| printk(KERN_EMERG "assertion failed %s: %d: %s\n", \ | ||
| __FILE__, __LINE__, #x); \ | ||
| BUG(); \ | ||
| } \ | ||
| } while (0) | ||
| #else | ||
| #define ASSERT(x) do { } while (0) | ||
| #endif | ||
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| static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm) | ||
| { | ||
| return kvm->arch.vioapic; | ||
| } | ||
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| #ifdef CONFIG_IA64 | ||
| static inline int irqchip_in_kernel(struct kvm *kvm) | ||
| { | ||
| return 1; | ||
| } | ||
| #endif | ||
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| struct kvm_vcpu *kvm_get_lowest_prio_vcpu(struct kvm *kvm, u8 vector, | ||
| unsigned long bitmap); | ||
| void kvm_ioapic_update_eoi(struct kvm *kvm, int vector); | ||
| int kvm_ioapic_init(struct kvm *kvm); | ||
| void kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level); | ||
| void kvm_ioapic_reset(struct kvm_ioapic *ioapic); | ||
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| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| #ifndef __KVM_X86_LAPIC_H | ||
| #define __KVM_X86_LAPIC_H | ||
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| #include "iodev.h" | ||
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| #include <linux/kvm_host.h> | ||
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| struct kvm_lapic { | ||
| unsigned long base_address; | ||
| struct kvm_io_device dev; | ||
| struct { | ||
| atomic_t pending; | ||
| s64 period; /* unit: ns */ | ||
| u32 divide_count; | ||
| ktime_t last_update; | ||
| struct hrtimer dev; | ||
| } timer; | ||
| struct kvm_vcpu *vcpu; | ||
| struct page *regs_page; | ||
| void *regs; | ||
| }; | ||
| int kvm_create_lapic(struct kvm_vcpu *vcpu); | ||
| void kvm_free_lapic(struct kvm_vcpu *vcpu); | ||
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| int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu); | ||
| int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu); | ||
| int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu); | ||
| void kvm_lapic_reset(struct kvm_vcpu *vcpu); | ||
| u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu); | ||
| void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8); | ||
| void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value); | ||
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| int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest); | ||
| int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda); | ||
| int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig); | ||
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| u64 kvm_get_apic_base(struct kvm_vcpu *vcpu); | ||
| void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data); | ||
| void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu); | ||
| int kvm_lapic_enabled(struct kvm_vcpu *vcpu); | ||
| int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu); | ||
| void kvm_apic_timer_intr_post(struct kvm_vcpu *vcpu, int vec); | ||
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| #endif |