| 1 | |
| 2 | * This file is subject to the terms and conditions of the GNU General Public
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| 3 | * License. See the file "COPYING" in the main directory of this archive
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| 4 | * for more details.
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| 5 | *
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| 6 | * KVM/MIPS: Interrupt delivery
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| 7 | *
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| 8 | * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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| 9 | * Authors: Sanjay Lal <[email protected]>
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| 10 |
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| 11 |
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| 12 | #include <linux/errno.h>
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| 13 | #include <linux/err.h>
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| 14 | #include <linux/vmalloc.h>
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| 15 | #include <linux/fs.h>
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| 16 | #include <linux/memblock.h>
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| 17 | #include <asm/page.h>
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| 18 | #include <asm/cacheflush.h>
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| 19 |
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| 20 | #include <linux/kvm_host.h>
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| 21 |
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| 22 | #include "interrupt.h"
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| 23 |
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| 24 | void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, u32 cause)
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| 25 | {
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| 26 | unsigned long *pending = &vcpu->arch.pending_exceptions;
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| 27 | unsigned long *pending_clr = &vcpu->arch.pending_exceptions_clr;
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| 28 | unsigned int priority;
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| 29 |
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| 30 | for_each_set_bit(priority, pending_clr, MIPS_EXC_MAX + 1)
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| 31 | kvm_mips_callbacks->irq_clear(vcpu, priority, cause);
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| 32 |
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| 33 | for_each_set_bit(priority, pending, MIPS_EXC_MAX + 1)
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| 34 | kvm_mips_callbacks->irq_deliver(vcpu, priority, cause);
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| 35 | }
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| 36 |
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| 37 | int kvm_mips_pending_timer(struct kvm_vcpu *vcpu)
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| 38 | {
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| 39 | return test_bit(MIPS_EXC_INT_TIMER, &vcpu->arch.pending_exceptions);
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| 40 | }
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