| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | /* |
| 12 | * MIPS Exception Priorities, exceptions (including interrupts) are queued up |
| 13 | * for the guest in the order specified by their priorities |
| 14 | */ |
| 15 | |
| 16 | #define MIPS_EXC_RESET 0 |
| 17 | #define MIPS_EXC_SRESET 1 |
| 18 | #define MIPS_EXC_DEBUG_ST 2 |
| 19 | #define MIPS_EXC_DEBUG 3 |
| 20 | #define MIPS_EXC_DDB 4 |
| 21 | #define MIPS_EXC_NMI 5 |
| 22 | #define MIPS_EXC_MCHK 6 |
| 23 | #define MIPS_EXC_INT_TIMER 7 |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 24 | #define MIPS_EXC_INT_IO_1 8 |
| 25 | #define MIPS_EXC_INT_IO_2 9 |
| 26 | #define MIPS_EXC_EXECUTE 10 |
| 27 | #define MIPS_EXC_INT_IPI_1 11 |
| 28 | #define MIPS_EXC_INT_IPI_2 12 |
| 29 | #define MIPS_EXC_MAX 13 |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 30 | /* XXXSL More to follow */ |
| 31 | |
| 32 | #define C_TI (_ULCAST_(1) << 30) |
| 33 | |
| 34 | #ifdef CONFIG_KVM_MIPS_VZ |
| 35 | #define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (1) |
| 36 | #define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (1) |
| 37 | #else |
| 38 | #define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (0) |
| 39 | #define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (0) |
| 40 | #endif |
| 41 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 42 | extern u32 *kvm_priority_to_irq; |
| 43 | u32 kvm_irq_to_priority(u32 irq); |
| 44 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 45 | void kvm_mips_queue_irq(struct kvm_vcpu *vcpu, unsigned int priority); |
| 46 | void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, unsigned int priority); |
| 47 | int kvm_mips_pending_timer(struct kvm_vcpu *vcpu); |
| 48 | |
| 49 | void kvm_mips_queue_timer_int_cb(struct kvm_vcpu *vcpu); |
| 50 | void kvm_mips_dequeue_timer_int_cb(struct kvm_vcpu *vcpu); |
| 51 | void kvm_mips_queue_io_int_cb(struct kvm_vcpu *vcpu, |
| 52 | struct kvm_mips_interrupt *irq); |
| 53 | void kvm_mips_dequeue_io_int_cb(struct kvm_vcpu *vcpu, |
| 54 | struct kvm_mips_interrupt *irq); |
| 55 | int kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority, |
| 56 | u32 cause); |
| 57 | int kvm_mips_irq_clear_cb(struct kvm_vcpu *vcpu, unsigned int priority, |
| 58 | u32 cause); |
| 59 | void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, u32 cause); |