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06d1838d SL |
1 | /* |
2 | * This file is subject to the terms and conditions of the GNU General Public | |
3 | * License. See the file "COPYING" in the main directory of this archive | |
4 | * for more details. | |
5 | * | |
6 | * KVM/MIPS: Interrupts | |
7 | * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. | |
8 | * Authors: Sanjay Lal <sanjayl@kymasys.com> | |
9 | */ | |
10 | ||
11 | /* MIPS Exception Priorities, exceptions (including interrupts) are queued up | |
12 | * for the guest in the order specified by their priorities | |
13 | */ | |
14 | ||
15 | #define MIPS_EXC_RESET 0 | |
16 | #define MIPS_EXC_SRESET 1 | |
17 | #define MIPS_EXC_DEBUG_ST 2 | |
18 | #define MIPS_EXC_DEBUG 3 | |
19 | #define MIPS_EXC_DDB 4 | |
20 | #define MIPS_EXC_NMI 5 | |
21 | #define MIPS_EXC_MCHK 6 | |
22 | #define MIPS_EXC_INT_TIMER 7 | |
23 | #define MIPS_EXC_INT_IO 8 | |
24 | #define MIPS_EXC_EXECUTE 9 | |
25 | #define MIPS_EXC_INT_IPI_1 10 | |
26 | #define MIPS_EXC_INT_IPI_2 11 | |
27 | #define MIPS_EXC_MAX 12 | |
28 | /* XXXSL More to follow */ | |
29 | ||
30 | #define C_TI (_ULCAST_(1) << 30) | |
31 | ||
32 | #define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (0) | |
33 | #define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (0) | |
34 | ||
35 | void kvm_mips_queue_irq(struct kvm_vcpu *vcpu, uint32_t priority); | |
36 | void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, uint32_t priority); | |
37 | int kvm_mips_pending_timer(struct kvm_vcpu *vcpu); | |
38 | ||
39 | void kvm_mips_queue_timer_int_cb(struct kvm_vcpu *vcpu); | |
40 | void kvm_mips_dequeue_timer_int_cb(struct kvm_vcpu *vcpu); | |
41 | void kvm_mips_queue_io_int_cb(struct kvm_vcpu *vcpu, | |
42 | struct kvm_mips_interrupt *irq); | |
43 | void kvm_mips_dequeue_io_int_cb(struct kvm_vcpu *vcpu, | |
44 | struct kvm_mips_interrupt *irq); | |
45 | int kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority, | |
46 | uint32_t cause); | |
47 | int kvm_mips_irq_clear_cb(struct kvm_vcpu *vcpu, unsigned int priority, | |
48 | uint32_t cause); | |
49 | void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, uint32_t cause); |