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c992a4f6a9
Add the main support for the MIPS Virtualization ASE (A.K.A. VZ) to MIPS KVM. The bulk of this work is in vz.c, with various new state and definitions elsewhere. Enough is implemented to be able to run on a minimal VZ core. Further patches will fill out support for guest features which are optional or can be disabled. Signed-off-by: James Hogan <james.hogan@imgtec.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org Cc: linux-doc@vger.kernel.org
55 lines
2 KiB
C
55 lines
2 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* KVM/MIPS: Interrupts
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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* Authors: Sanjay Lal <sanjayl@kymasys.com>
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*/
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/*
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* MIPS Exception Priorities, exceptions (including interrupts) are queued up
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* for the guest in the order specified by their priorities
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*/
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#define MIPS_EXC_RESET 0
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#define MIPS_EXC_SRESET 1
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#define MIPS_EXC_DEBUG_ST 2
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#define MIPS_EXC_DEBUG 3
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#define MIPS_EXC_DDB 4
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#define MIPS_EXC_NMI 5
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#define MIPS_EXC_MCHK 6
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#define MIPS_EXC_INT_TIMER 7
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#define MIPS_EXC_INT_IO 8
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#define MIPS_EXC_EXECUTE 9
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#define MIPS_EXC_INT_IPI_1 10
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#define MIPS_EXC_INT_IPI_2 11
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#define MIPS_EXC_MAX 12
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/* XXXSL More to follow */
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#define C_TI (_ULCAST_(1) << 30)
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#ifdef CONFIG_KVM_MIPS_VZ
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#define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (1)
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#define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (1)
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#else
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#define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (0)
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#define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (0)
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#endif
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void kvm_mips_queue_irq(struct kvm_vcpu *vcpu, unsigned int priority);
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void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, unsigned int priority);
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int kvm_mips_pending_timer(struct kvm_vcpu *vcpu);
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void kvm_mips_queue_timer_int_cb(struct kvm_vcpu *vcpu);
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void kvm_mips_dequeue_timer_int_cb(struct kvm_vcpu *vcpu);
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void kvm_mips_queue_io_int_cb(struct kvm_vcpu *vcpu,
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struct kvm_mips_interrupt *irq);
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void kvm_mips_dequeue_io_int_cb(struct kvm_vcpu *vcpu,
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struct kvm_mips_interrupt *irq);
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int kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority,
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u32 cause);
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int kvm_mips_irq_clear_cb(struct kvm_vcpu *vcpu, unsigned int priority,
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u32 cause);
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void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, u32 cause);
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