summaryrefslogtreecommitdiff
path: root/arch/mips/kvm/interrupt.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/kvm/interrupt.h')
-rw-r--r--arch/mips/kvm/interrupt.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/mips/kvm/interrupt.h b/arch/mips/kvm/interrupt.h
new file mode 100644
index 000000000000..4ab4bdfad703
--- /dev/null
+++ b/arch/mips/kvm/interrupt.h
@@ -0,0 +1,53 @@
+/*
+ * 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: Interrupts
+ * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
+ * Authors: Sanjay Lal <sanjayl@kymasys.com>
+ */
+
+/*
+ * MIPS Exception Priorities, exceptions (including interrupts) are queued up
+ * for the guest in the order specified by their priorities
+ */
+
+#define MIPS_EXC_RESET 0
+#define MIPS_EXC_SRESET 1
+#define MIPS_EXC_DEBUG_ST 2
+#define MIPS_EXC_DEBUG 3
+#define MIPS_EXC_DDB 4
+#define MIPS_EXC_NMI 5
+#define MIPS_EXC_MCHK 6
+#define MIPS_EXC_INT_TIMER 7
+#define MIPS_EXC_INT_IO 8
+#define MIPS_EXC_EXECUTE 9
+#define MIPS_EXC_INT_IPI_1 10
+#define MIPS_EXC_INT_IPI_2 11
+#define MIPS_EXC_MAX 12
+/* XXXSL More to follow */
+
+extern char mips32_exception[], mips32_exceptionEnd[];
+extern char mips32_GuestException[], mips32_GuestExceptionEnd[];
+
+#define C_TI (_ULCAST_(1) << 30)
+
+#define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (0)
+#define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (0)
+
+void kvm_mips_queue_irq(struct kvm_vcpu *vcpu, uint32_t priority);
+void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, uint32_t priority);
+int kvm_mips_pending_timer(struct kvm_vcpu *vcpu);
+
+void kvm_mips_queue_timer_int_cb(struct kvm_vcpu *vcpu);
+void kvm_mips_dequeue_timer_int_cb(struct kvm_vcpu *vcpu);
+void kvm_mips_queue_io_int_cb(struct kvm_vcpu *vcpu,
+ struct kvm_mips_interrupt *irq);
+void kvm_mips_dequeue_io_int_cb(struct kvm_vcpu *vcpu,
+ struct kvm_mips_interrupt *irq);
+int kvm_mips_irq_deliver_cb(struct kvm_vcpu *vcpu, unsigned int priority,
+ uint32_t cause);
+int kvm_mips_irq_clear_cb(struct kvm_vcpu *vcpu, unsigned int priority,
+ uint32_t cause);
+void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, uint32_t cause);