arch/mips/kvm/kvm_mips_int.h

   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: Interrupts
   7 * Copyright (C) 2012  MIPS Technologies, Inc.  All rights reserved.
   8 * Authors: Sanjay Lal <sanjayl@kymasys.com>
   9 */
  10
  11 /* MIPS Exception Priorities, exceptions (including interrupts) are queued up
  12  * for the guest in the order specified by their priorities
  13  */
  14
  15 #define MIPS_EXC_RESET              0
  16 #define MIPS_EXC_SRESET             1
  17 #define MIPS_EXC_DEBUG_ST           2
  18 #define MIPS_EXC_DEBUG              3
  19 #define MIPS_EXC_DDB                4
  20 #define MIPS_EXC_NMI                5
  21 #define MIPS_EXC_MCHK               6
  22 #define MIPS_EXC_INT_TIMER          7
  23 #define MIPS_EXC_INT_IO             8
  24 #define MIPS_EXC_EXECUTE            9
  25 #define MIPS_EXC_INT_IPI_1          10
  26 #define MIPS_EXC_INT_IPI_2          11
  27 #define MIPS_EXC_MAX                12
  28 /* XXXSL More to follow */
  29
  30 #define C_TI        (_ULCAST_(1) << 30)
  31
  32 #define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (0)
  33 #define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE   (0)
  34
  35 void kvm_mips_queue_irq(struct kvm_vcpu *vcpu, uint32_t priority);
  36 void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, uint32_t priority);
  37 int kvm_mips_pending_timer(struct kvm_vcpu *vcpu);
  38
  39 void kvm_mips_queue_timer_int_cb(struct kvm_vcpu *vcpu);
  40 void kvm_mips_dequeue_timer_int_cb(struct kvm_vcpu *vcpu);
  41 void kvm_mips_queue_io_int_cb(struct kvm_vcpu *vcpu,
  42                               struct kvm_mips_interrupt *irq);
  43 void kvm_mips_dequeue_io_int_cb(struct kvm_vcpu *vcpu,
  44                                 struct kvm_mips_interrupt *irq);
  45 int kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority,
  46                             uint32_t cause);
  47 int kvm_mips_irq_clear_cb(struct kvm_vcpu *vcpu, unsigned int priority,
  48                           uint32_t cause);
  49 void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, uint32_t cause);