diff options
Diffstat (limited to 'arch/x86/kvm/lapic.h')
| -rw-r--r-- | arch/x86/kvm/lapic.h | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index 1a8553ebdb42..72de14527698 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -4,6 +4,8 @@ #include <kvm/iodev.h> +#include <asm/apic.h> + #include <linux/kvm_host.h> #include "hyperv.h" @@ -21,6 +23,8 @@ #define APIC_BROADCAST 0xFF #define X2APIC_BROADCAST 0xFFFFFFFFul +#define X2APIC_MSR(r) (APIC_BASE_MSR + ((r) >> 4)) + enum lapic_mode { LAPIC_MODE_DISABLED = 0, LAPIC_MODE_INVALID = X2APIC_ENABLE, @@ -65,6 +69,8 @@ struct kvm_lapic { bool sw_enabled; bool irr_pending; bool lvt0_in_nmi_mode; + /* Select registers in the vAPIC cannot be read/written. */ + bool guest_apic_protected; /* Number of bits set in ISR. */ s16 isr_count; /* The highest vector set in ISR; if -1 - invalid, must scan ISR. */ @@ -101,8 +107,8 @@ bool kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source, int shorthand, unsigned int dest, int dest_mode); int kvm_apic_compare_prio(struct kvm_vcpu *vcpu1, struct kvm_vcpu *vcpu2); void kvm_apic_clear_irr(struct kvm_vcpu *vcpu, int vec); -bool __kvm_apic_update_irr(u32 *pir, void *regs, int *max_irr); -bool kvm_apic_update_irr(struct kvm_vcpu *vcpu, u32 *pir, int *max_irr); +bool __kvm_apic_update_irr(unsigned long *pir, void *regs, int *max_irr); +bool kvm_apic_update_irr(struct kvm_vcpu *vcpu, unsigned long *pir, int *max_irr); void kvm_apic_update_ppr(struct kvm_vcpu *vcpu); int kvm_apic_set_irq(struct kvm_vcpu *vcpu, struct kvm_lapic_irq *irq, struct dest_map *dest_map); @@ -143,22 +149,9 @@ void kvm_lapic_exit(void); u64 kvm_lapic_readable_reg_mask(struct kvm_lapic *apic); -#define VEC_POS(v) ((v) & (32 - 1)) -#define REG_POS(v) (((v) >> 5) << 4) - -static inline void kvm_lapic_clear_vector(int vec, void *bitmap) -{ - clear_bit(VEC_POS(vec), (bitmap) + REG_POS(vec)); -} - -static inline void kvm_lapic_set_vector(int vec, void *bitmap) -{ - set_bit(VEC_POS(vec), (bitmap) + REG_POS(vec)); -} - static inline void kvm_lapic_set_irr(int vec, struct kvm_lapic *apic) { - kvm_lapic_set_vector(vec, apic->regs + APIC_IRR); + apic_set_vector(vec, apic->regs + APIC_IRR); /* * irr_pending must be true if any interrupt is pending; set it after * APIC_IRR to avoid race with apic_clear_irr @@ -166,14 +159,9 @@ static inline void kvm_lapic_set_irr(int vec, struct kvm_lapic *apic) apic->irr_pending = true; } -static inline u32 __kvm_lapic_get_reg(char *regs, int reg_off) -{ - return *((u32 *) (regs + reg_off)); -} - static inline u32 kvm_lapic_get_reg(struct kvm_lapic *apic, int reg_off) { - return __kvm_lapic_get_reg(apic->regs, reg_off); + return apic_get_reg(apic->regs, reg_off); } DECLARE_STATIC_KEY_FALSE(kvm_has_noapic_vcpu); |