[Midnightbsd-cvs] src [12391] trunk/sys/sys/intr.h: Sync with FreeBSD 11-stable

[laffer1 at midnightbsd.org]

Revision: 12391
          http://svnweb.midnightbsd.org/src/?rev=12391
Author:   laffer1
Date:     2020-02-16 17:46:23 -0500 (Sun, 16 Feb 2020)
Log Message:
-----------
Sync with FreeBSD 11-stable

Added Paths:
-----------
    trunk/sys/sys/intr.h

Added: trunk/sys/sys/intr.h
===================================================================
--- trunk/sys/sys/intr.h	                        (rev 0)
+++ trunk/sys/sys/intr.h	2020-02-16 22:46:23 UTC (rev 12391)
@@ -0,0 +1,163 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2015-2016 Svatopluk Kraus
+ * Copyright (c) 2015-2016 Michal Meloun
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: stable/11/sys/sys/intr.h 308333 2016-11-05 10:23:02Z mmel $
+ */
+
+#ifndef _SYS_INTR_H_
+#define _SYS_INTR_H_
+#ifndef INTRNG
+#error Need INTRNG for this file
+#endif
+
+#include <sys/systm.h>
+
+#define	INTR_IRQ_INVALID	0xFFFFFFFF
+
+enum intr_map_data_type {
+	INTR_MAP_DATA_ACPI = 0,
+	INTR_MAP_DATA_FDT,
+	INTR_MAP_DATA_GPIO,
+	INTR_MAP_DATA_MSI,
+	
+	/* Placeholders for platform specific types */
+	INTR_MAP_DATA_PLAT_1 = 1000,
+	INTR_MAP_DATA_PLAT_2,
+	INTR_MAP_DATA_PLAT_3,
+	INTR_MAP_DATA_PLAT_4,
+	INTR_MAP_DATA_PLAT_5,
+};
+
+struct intr_map_data {
+	size_t			len;
+	enum intr_map_data_type	type;
+};
+
+struct intr_map_data_msi {
+	struct intr_map_data	hdr;
+	struct intr_irqsrc 	*isrc;
+};
+
+#ifdef notyet
+#define	INTR_SOLO	INTR_MD1
+typedef int intr_irq_filter_t(void *arg, struct trapframe *tf);
+#else
+typedef int intr_irq_filter_t(void *arg);
+#endif
+typedef int intr_child_irq_filter_t(void *arg, uintptr_t irq);
+
+#define INTR_ISRC_NAMELEN	(MAXCOMLEN + 1)
+
+#define INTR_ISRCF_IPI		0x01	/* IPI interrupt */
+#define INTR_ISRCF_PPI		0x02	/* PPI interrupt */
+#define INTR_ISRCF_BOUND	0x04	/* bound to a CPU */
+
+struct intr_pic;
+
+/* Interrupt source definition. */
+struct intr_irqsrc {
+	device_t		isrc_dev;	/* where isrc is mapped */
+	u_int			isrc_irq;	/* unique identificator */
+	u_int			isrc_flags;
+	char			isrc_name[INTR_ISRC_NAMELEN];
+	cpuset_t		isrc_cpu;	/* on which CPUs is enabled */
+	u_int			isrc_index;
+	u_long *		isrc_count;
+	u_int			isrc_handlers;
+	struct intr_event *	isrc_event;
+#ifdef INTR_SOLO
+	intr_irq_filter_t *	isrc_filter;
+	void *			isrc_arg;
+#endif
+};
+
+/* Intr interface for PIC. */
+int intr_isrc_deregister(struct intr_irqsrc *);
+int intr_isrc_register(struct intr_irqsrc *, device_t, u_int, const char *, ...)
+    __printflike(4, 5);
+
+#ifdef SMP
+bool intr_isrc_init_on_cpu(struct intr_irqsrc *isrc, u_int cpu);
+#endif
+
+int intr_isrc_dispatch(struct intr_irqsrc *, struct trapframe *);
+u_int intr_irq_next_cpu(u_int current_cpu, cpuset_t *cpumask);
+
+struct intr_pic *intr_pic_register(device_t, intptr_t);
+int intr_pic_deregister(device_t, intptr_t);
+int intr_pic_claim_root(device_t, intptr_t, intr_irq_filter_t *, void *, u_int);
+struct intr_pic *intr_pic_add_handler(device_t, struct intr_pic *,
+    intr_child_irq_filter_t *, void *, uintptr_t, uintptr_t);
+
+extern device_t intr_irq_root_dev;
+
+/* Intr interface for BUS. */
+
+int intr_activate_irq(device_t, struct resource *);
+int intr_deactivate_irq(device_t, struct resource *);
+
+int intr_setup_irq(device_t, struct resource *, driver_filter_t, driver_intr_t,
+    void *, int, void **);
+int intr_teardown_irq(device_t, struct resource *, void *);
+
+int intr_describe_irq(device_t, struct resource *, void *, const char *);
+int intr_child_irq_handler(struct intr_pic *, uintptr_t);
+
+/* Intr resources  mapping. */
+struct intr_map_data *intr_alloc_map_data(enum intr_map_data_type, size_t, int);
+void intr_free_intr_map_data(struct intr_map_data *);
+u_int intr_map_irq(device_t, intptr_t, struct intr_map_data *);
+void intr_unmap_irq(u_int );
+u_int intr_map_clone_irq(u_int );
+
+/* MSI/MSI-X handling */
+int intr_msi_register(device_t, intptr_t);
+int intr_alloc_msi(device_t, device_t, intptr_t, int, int, int *);
+int intr_release_msi(device_t, device_t, intptr_t, int, int *);
+int intr_map_msi(device_t, device_t, intptr_t, int, uint64_t *, uint32_t *);
+int intr_alloc_msix(device_t, device_t, intptr_t, int *);
+int intr_release_msix(device_t, device_t, intptr_t, int);
+
+#ifdef SMP
+int intr_bind_irq(device_t, struct resource *, int);
+
+void intr_pic_init_secondary(void);
+
+/* Virtualization for interrupt source IPI counter increment. */
+static inline void
+intr_ipi_increment_count(u_long *counter, u_int cpu)
+{
+
+	KASSERT(cpu < MAXCPU, ("%s: too big cpu %u", __func__, cpu));
+	counter[cpu]++;
+}
+
+/* Virtualization for interrupt source IPI counters setup. */
+u_long * intr_ipi_setup_counters(const char *name);
+
+#endif
+#endif	/* _SYS_INTR_H */


Property changes on: trunk/sys/sys/intr.h
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