Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
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: Interrupt delivery
7 *
8 * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
9 * Authors: Sanjay Lal <sanjayl@kymasys.com>
10 */
11
12#include <linux/errno.h>
13#include <linux/err.h>
14#include <linux/vmalloc.h>
15#include <linux/fs.h>
16#include <linux/memblock.h>
17#include <asm/page.h>
18#include <asm/cacheflush.h>
19
20#include <linux/kvm_host.h>
21
22#include "interrupt.h"
23
24void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, u32 cause)
25{
26 unsigned long *pending = &vcpu->arch.pending_exceptions;
27 unsigned long *pending_clr = &vcpu->arch.pending_exceptions_clr;
28 unsigned int priority;
29
30 for_each_set_bit(priority, pending_clr, MIPS_EXC_MAX + 1)
31 kvm_mips_callbacks->irq_clear(vcpu, priority, cause);
32
33 for_each_set_bit(priority, pending, MIPS_EXC_MAX + 1)
34 kvm_mips_callbacks->irq_deliver(vcpu, priority, cause);
35}
36
37int kvm_mips_pending_timer(struct kvm_vcpu *vcpu)
38{
39 return test_bit(MIPS_EXC_INT_TIMER, &vcpu->arch.pending_exceptions);
40}