Contributors: 12
Author Tokens Token Proportion Commits Commit Proportion
Xiaoyao Li 299 64.86% 1 4.00%
Sean Christopherson 88 19.09% 8 32.00%
Avi Kivity 17 3.69% 4 16.00%
Yang Zhang 17 3.69% 2 8.00%
Feng Wu 9 1.95% 2 8.00%
Jim Mattson 9 1.95% 2 8.00%
Nadav Har'El 6 1.30% 1 4.00%
Claudio Imbrenda 6 1.30% 1 4.00%
Chao Gao 4 0.87% 1 4.00%
Marcelo Tosatti 3 0.65% 1 4.00%
Xiantao Zhang 2 0.43% 1 4.00%
Paolo Bonzini 1 0.22% 1 4.00%
Total 461 25


/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __KVM_X86_VMX_POSTED_INTR_H
#define __KVM_X86_VMX_POSTED_INTR_H

#define POSTED_INTR_ON  0
#define POSTED_INTR_SN  1

#define PID_TABLE_ENTRY_VALID 1

/* Posted-Interrupt Descriptor */
struct pi_desc {
	u32 pir[8];     /* Posted interrupt requested */
	union {
		struct {
				/* bit 256 - Outstanding Notification */
			u16	on	: 1,
				/* bit 257 - Suppress Notification */
				sn	: 1,
				/* bit 271:258 - Reserved */
				rsvd_1	: 14;
				/* bit 279:272 - Notification Vector */
			u8	nv;
				/* bit 287:280 - Reserved */
			u8	rsvd_2;
				/* bit 319:288 - Notification Destination */
			u32	ndst;
		};
		u64 control;
	};
	u32 rsvd[6];
} __aligned(64);

static inline bool pi_test_and_set_on(struct pi_desc *pi_desc)
{
	return test_and_set_bit(POSTED_INTR_ON,
			(unsigned long *)&pi_desc->control);
}

static inline bool pi_test_and_clear_on(struct pi_desc *pi_desc)
{
	return test_and_clear_bit(POSTED_INTR_ON,
			(unsigned long *)&pi_desc->control);
}

static inline bool pi_test_and_clear_sn(struct pi_desc *pi_desc)
{
	return test_and_clear_bit(POSTED_INTR_SN,
			(unsigned long *)&pi_desc->control);
}

static inline bool pi_test_and_set_pir(int vector, struct pi_desc *pi_desc)
{
	return test_and_set_bit(vector, (unsigned long *)pi_desc->pir);
}

static inline bool pi_is_pir_empty(struct pi_desc *pi_desc)
{
	return bitmap_empty((unsigned long *)pi_desc->pir, NR_VECTORS);
}

static inline void pi_set_sn(struct pi_desc *pi_desc)
{
	set_bit(POSTED_INTR_SN,
		(unsigned long *)&pi_desc->control);
}

static inline void pi_set_on(struct pi_desc *pi_desc)
{
	set_bit(POSTED_INTR_ON,
		(unsigned long *)&pi_desc->control);
}

static inline void pi_clear_on(struct pi_desc *pi_desc)
{
	clear_bit(POSTED_INTR_ON,
		(unsigned long *)&pi_desc->control);
}

static inline void pi_clear_sn(struct pi_desc *pi_desc)
{
	clear_bit(POSTED_INTR_SN,
		(unsigned long *)&pi_desc->control);
}

static inline bool pi_test_on(struct pi_desc *pi_desc)
{
	return test_bit(POSTED_INTR_ON,
			(unsigned long *)&pi_desc->control);
}

static inline bool pi_test_sn(struct pi_desc *pi_desc)
{
	return test_bit(POSTED_INTR_SN,
			(unsigned long *)&pi_desc->control);
}

void vmx_vcpu_pi_load(struct kvm_vcpu *vcpu, int cpu);
void vmx_vcpu_pi_put(struct kvm_vcpu *vcpu);
void pi_wakeup_handler(void);
void __init pi_init_cpu(int cpu);
bool pi_has_pending_interrupt(struct kvm_vcpu *vcpu);
int vmx_pi_update_irte(struct kvm *kvm, unsigned int host_irq,
		       uint32_t guest_irq, bool set);
void vmx_pi_start_assignment(struct kvm *kvm);

#endif /* __KVM_X86_VMX_POSTED_INTR_H */