diff options
Diffstat (limited to 'arch/mips/kvm/interrupt.h')
| -rw-r--r-- | arch/mips/kvm/interrupt.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/mips/kvm/interrupt.h b/arch/mips/kvm/interrupt.h new file mode 100644 index 000000000..4ab4bdfad --- /dev/null +++ b/arch/mips/kvm/interrupt.h @@ -0,0 +1,53 @@ +/* + * 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 8 +#define MIPS_EXC_EXECUTE 9 +#define MIPS_EXC_INT_IPI_1 10 +#define MIPS_EXC_INT_IPI_2 11 +#define MIPS_EXC_MAX 12 +/* XXXSL More to follow */ + +extern char mips32_exception[], mips32_exceptionEnd[]; +extern char mips32_GuestException[], mips32_GuestExceptionEnd[]; + +#define C_TI (_ULCAST_(1) << 30) + +#define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (0) +#define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (0) + +void kvm_mips_queue_irq(struct kvm_vcpu *vcpu, uint32_t priority); +void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, uint32_t 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, + uint32_t cause); +int kvm_mips_irq_clear_cb(struct kvm_vcpu *vcpu, unsigned int priority, + uint32_t cause); +void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, uint32_t cause); |