1 files changed, 210 insertions, 0 deletions
diff --git a/sys/dev/ntb/ntb_if.m b/sys/dev/ntb/ntb_if.m
new file mode 100644
index 0000000..d8ca227
--- /dev/null
+++ b/sys/dev/ntb/ntb_if.m
@@ -0,0 +1,210 @@
+#-
+# Copyright (c) 2016 Alexander Motin <mav@FreeBSD.org>
+# 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.
+#
+# $FreeBSD$
+#
+
+#include <sys/bus.h>
+#include <machine/bus.h>
+
+INTERFACE ntb;
+
+HEADER {
+	enum ntb_speed {
+		NTB_SPEED_AUTO = -1,
+		NTB_SPEED_NONE = 0,
+		NTB_SPEED_GEN1 = 1,
+		NTB_SPEED_GEN2 = 2,
+		NTB_SPEED_GEN3 = 3,
+	};
+
+	enum ntb_width {
+		NTB_WIDTH_AUTO = -1,
+		NTB_WIDTH_NONE = 0,
+		NTB_WIDTH_1 = 1,
+		NTB_WIDTH_2 = 2,
+		NTB_WIDTH_4 = 4,
+		NTB_WIDTH_8 = 8,
+		NTB_WIDTH_12 = 12,
+		NTB_WIDTH_16 = 16,
+		NTB_WIDTH_32 = 32,
+	};
+
+	typedef void (*ntb_db_callback)(void *data, uint32_t vector);
+	typedef void (*ntb_event_callback)(void *data);
+	struct ntb_ctx_ops {
+		ntb_event_callback	link_event;
+		ntb_db_callback		db_event;
+	};
+};
+
+METHOD bool link_is_up {
+	device_t	 ntb;
+	enum ntb_speed	*speed;
+	enum ntb_width	*width;
+};
+
+METHOD int link_enable {
+	device_t	 ntb;
+	enum ntb_speed	 speed;
+	enum ntb_width	 width;
+};
+
+METHOD int link_disable {
+	device_t	 ntb;
+};
+
+METHOD bool link_enabled {
+	device_t	 ntb;
+};
+
+METHOD int set_ctx {
+	device_t	 ntb;
+	void		*ctx;
+	const struct ntb_ctx_ops *ctx_ops;
+};
+
+METHOD void * get_ctx {
+	device_t	 ntb;
+	const struct ntb_ctx_ops **ctx_ops;
+};
+
+METHOD void clear_ctx {
+	device_t	 ntb;
+};
+
+METHOD uint8_t mw_count {
+	device_t	 ntb;
+};
+
+METHOD int mw_get_range {
+	device_t	 ntb;
+	unsigned	 mw_idx;
+	vm_paddr_t	*base;
+	caddr_t		*vbase;
+	size_t		*size;
+	size_t		*align;
+	size_t		*align_size;
+	bus_addr_t	*plimit;
+};
+
+METHOD int mw_set_trans {
+	device_t	 ntb;
+	unsigned	 mw_idx;
+	bus_addr_t	 addr;
+	size_t		 size;
+};
+
+METHOD int mw_clear_trans {
+	device_t	 ntb;
+	unsigned	 mw_idx;
+};
+
+METHOD int mw_get_wc {
+	device_t	 ntb;
+	unsigned	 mw_idx;
+	vm_memattr_t	*mode;
+};
+
+METHOD int mw_set_wc {
+	device_t	 ntb;
+	unsigned	 mw_idx;
+	vm_memattr_t	 mode;
+};
+
+METHOD uint8_t spad_count {
+	device_t	 ntb;
+};
+
+METHOD void spad_clear {
+	device_t	 ntb;
+};
+
+METHOD int spad_write {
+	device_t	 ntb;
+	unsigned int	 idx;
+	uint32_t	 val;
+};
+
+METHOD int spad_read {
+	device_t	 ntb;
+	unsigned int	 idx;
+	uint32_t	 *val;
+};
+
+METHOD int peer_spad_write {
+	device_t	 ntb;
+	unsigned int	 idx;
+	uint32_t	 val;
+};
+
+METHOD int peer_spad_read {
+	device_t	 ntb;
+	unsigned int	 idx;
+	uint32_t	*val;
+};
+
+METHOD uint64_t db_valid_mask {
+	device_t	 ntb;
+};
+
+METHOD int db_vector_count {
+	device_t	 ntb;
+};
+
+METHOD uint64_t db_vector_mask {
+	device_t	 ntb;
+	uint32_t	 vector;
+};
+
+METHOD int peer_db_addr {
+	device_t	 ntb;
+	bus_addr_t	*db_addr;
+	vm_size_t	*db_size;
+};
+
+METHOD void db_clear {
+	device_t	 ntb;
+	uint64_t	 bits;
+};
+
+METHOD void db_clear_mask {
+	device_t	 ntb;
+	uint64_t	 bits;
+};
+
+METHOD uint64_t db_read {
+	device_t	 ntb;
+};
+
+METHOD void db_set_mask {
+	device_t	 ntb;
+	uint64_t	 bits;
+};
+
+METHOD void peer_db_set {
+	device_t	 ntb;
+	uint64_t	 bits;
+};