diff options
Diffstat (limited to 'arch/mips/kvm/interrupt.c')
| -rw-r--r-- | arch/mips/kvm/interrupt.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/kvm/interrupt.c b/arch/mips/kvm/interrupt.c new file mode 100644 index 000000000000..895a6f1781fd --- /dev/null +++ b/arch/mips/kvm/interrupt.c @@ -0,0 +1,40 @@ +/* + * 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> +#include <linux/vmalloc.h> +#include <linux/fs.h> +#include <linux/memblock.h> +#include <asm/page.h> +#include <asm/cacheflush.h> + +#include <linux/kvm_host.h> + +#include "interrupt.h" + +void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, u32 cause) +{ + unsigned long *pending = &vcpu->arch.pending_exceptions; + unsigned long *pending_clr = &vcpu->arch.pending_exceptions_clr; + unsigned int priority; + + for_each_set_bit(priority, pending_clr, MIPS_EXC_MAX + 1) + kvm_mips_callbacks->irq_clear(vcpu, priority, cause); + + for_each_set_bit(priority, pending, MIPS_EXC_MAX + 1) + kvm_mips_callbacks->irq_deliver(vcpu, priority, cause); +} + +int kvm_mips_pending_timer(struct kvm_vcpu *vcpu) +{ + return test_bit(MIPS_EXC_INT_TIMER, &vcpu->arch.pending_exceptions); +} |