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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* KVM/MIPS: Interrupts
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
* Authors: Sanjay Lal <sanjayl@kymasys.com>
*/
/*
* MIPS Exception Priorities, exceptions (including interrupts) are queued up
* for the guest in the order specified by their priorities
*/
#define MIPS_EXC_RESET 0
#define MIPS_EXC_SRESET 1
#define MIPS_EXC_DEBUG_ST 2
#define MIPS_EXC_DEBUG 3
#define MIPS_EXC_DDB 4
#define MIPS_EXC_NMI 5
#define MIPS_EXC_MCHK 6
#define MIPS_EXC_INT_TIMER 7
#define MIPS_EXC_INT_IO_1 8
#define MIPS_EXC_INT_IO_2 9
#define MIPS_EXC_EXECUTE 10
#define MIPS_EXC_INT_IPI_1 11
#define MIPS_EXC_INT_IPI_2 12
#define MIPS_EXC_MAX 13
/* XXXSL More to follow */
#define C_TI (_ULCAST_(1) << 30)
#ifdef CONFIG_KVM_MIPS_VZ
#define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (1)
#define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (1)
#else
#define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (0)
#define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (0)
#endif
extern u32 *kvm_priority_to_irq;
u32 kvm_irq_to_priority(u32 irq);
void kvm_mips_queue_irq(struct kvm_vcpu *vcpu, unsigned int priority);
void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, unsigned int priority);
int kvm_mips_pending_timer(struct kvm_vcpu *vcpu);
void kvm_mips_queue_timer_int_cb(struct kvm_vcpu *vcpu);
void kvm_mips_dequeue_timer_int_cb(struct kvm_vcpu *vcpu);
void kvm_mips_queue_io_int_cb(struct kvm_vcpu *vcpu,
struct kvm_mips_interrupt *irq);
void kvm_mips_dequeue_io_int_cb(struct kvm_vcpu *vcpu,
struct kvm_mips_interrupt *irq);
int kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority,
u32 cause);
int kvm_mips_irq_clear_cb(struct kvm_vcpu *vcpu, unsigned int priority,
u32 cause);
void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, u32 cause);
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