diff options
Diffstat (limited to 'arch/mips/kvm/kvm_mips_int.c')
| -rw-r--r-- | arch/mips/kvm/kvm_mips_int.c | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/arch/mips/kvm/kvm_mips_int.c b/arch/mips/kvm/kvm_mips_int.c index 1e5de16afe2..d458c042d55 100644 --- a/arch/mips/kvm/kvm_mips_int.c +++ b/arch/mips/kvm/kvm_mips_int.c @@ -1,13 +1,13 @@ /* -* 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: Interrupt delivery -* -* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. -* Authors: Sanjay Lal <sanjayl@kymasys.com> -*/ + * 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: Interrupt delivery + * + * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. + * Authors: Sanjay Lal <sanjayl@kymasys.com> + */ #include <linux/errno.h> #include <linux/err.h> @@ -34,7 +34,8 @@ void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, uint32_t priority) void kvm_mips_queue_timer_int_cb(struct kvm_vcpu *vcpu) { - /* Cause bits to reflect the pending timer interrupt, + /* + * Cause bits to reflect the pending timer interrupt, * the EXC code will be set when we are actually * delivering the interrupt: */ @@ -51,12 +52,13 @@ void kvm_mips_dequeue_timer_int_cb(struct kvm_vcpu *vcpu) kvm_mips_dequeue_irq(vcpu, MIPS_EXC_INT_TIMER); } -void -kvm_mips_queue_io_int_cb(struct kvm_vcpu *vcpu, struct kvm_mips_interrupt *irq) +void kvm_mips_queue_io_int_cb(struct kvm_vcpu *vcpu, + struct kvm_mips_interrupt *irq) { int intr = (int)irq->irq; - /* Cause bits to reflect the pending IO interrupt, + /* + * Cause bits to reflect the pending IO interrupt, * the EXC code will be set when we are actually * delivering the interrupt: */ @@ -83,11 +85,11 @@ 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) +void kvm_mips_dequeue_io_int_cb(struct kvm_vcpu *vcpu, + struct kvm_mips_interrupt *irq) { int intr = (int)irq->irq; + switch (intr) { case -2: kvm_clear_c0_guest_cause(vcpu->arch.cop0, (C_IRQ0)); @@ -111,9 +113,8 @@ kvm_mips_dequeue_io_int_cb(struct kvm_vcpu *vcpu, } /* Deliver the interrupt of the corresponding priority, if possible. */ -int -kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority, - uint32_t cause) +int kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority, + uint32_t cause) { int allowed = 0; uint32_t exccode; @@ -164,7 +165,6 @@ kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority, /* Are we allowed to deliver the interrupt ??? */ if (allowed) { - if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) { /* save old pc */ kvm_write_c0_guest_epc(cop0, arch->pc); @@ -195,9 +195,8 @@ kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority, return allowed; } -int -kvm_mips_irq_clear_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) { return 1; } |