Initial commit: OpenHarmony-v4.0-ReleaseOpenHarmony-v4.0-Release

1 files changed, 59 insertions, 0 deletions

diff --git a/arch/mips/kvm/interrupt.h b/arch/mips/kvm/interrupt.h
new file mode 100644
index 000000000..c3e878ca3
--- /dev/null
+++ b/arch/mips/kvm/interrupt.h
@@ -0,0 +1,59 @@
+/*
+ * 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_1           8
+#define MIPS_EXC_INT_IO_2           9
+#define MIPS_EXC_EXECUTE            10
+#define MIPS_EXC_INT_IPI_1          11
+#define MIPS_EXC_INT_IPI_2          12
+#define MIPS_EXC_MAX                13
+/* XXXSL More to follow */
+
+#define C_TI        (_ULCAST_(1) << 30)
+
+#ifdef CONFIG_KVM_MIPS_VZ
+#define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (1)
+#define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE   (1)
+#else
+#define KVM_MIPS_IRQ_DELIVER_ALL_AT_ONCE (0)
+#define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE   (0)
+#endif
+
+extern u32 *kvm_priority_to_irq;
+u32 kvm_irq_to_priority(u32 irq);
+
+void kvm_mips_queue_irq(struct kvm_vcpu *vcpu, unsigned int priority);
+void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, unsigned int 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,
+                            u32 cause);
+int kvm_mips_irq_clear_cb(struct kvm_vcpu *vcpu, unsigned int priority,
+                          u32 cause);
+void kvm_mips_deliver_interrupts(struct kvm_vcpu *vcpu, u32 cause);