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Date:      Wed, 5 Dec 2018 14:17:22 +0000 (UTC)
From:      Slava Shwartsman <slavash@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r341573 - in head/sys: dev/mlx5 dev/mlx5/mlx5_fpga_tools modules/mlx5fpga_tools
Message-ID:  <201812051417.wB5EHMcI098809@repo.freebsd.org>

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Author: slavash
Date: Wed Dec  5 14:17:22 2018
New Revision: 341573
URL: https://svnweb.freebsd.org/changeset/base/341573

Log:
  mlx5fpga_tools initial code import.
  
  Submitted by:   kib@
  Approved by:    hselasky (mentor)
  MFC after:      1 week
  Sponsored by:   Mellanox Technologies

Added:
  head/sys/dev/mlx5/mlx5_fpga_tools/
  head/sys/dev/mlx5/mlx5_fpga_tools/mlx5fpga_tools_char.c   (contents, props changed)
  head/sys/dev/mlx5/mlx5_fpga_tools/mlx5fpga_tools_main.c   (contents, props changed)
  head/sys/dev/mlx5/mlx5_fpga_tools/tools.h   (contents, props changed)
  head/sys/dev/mlx5/mlx5_fpga_tools/tools_char.h   (contents, props changed)
  head/sys/modules/mlx5fpga_tools/
  head/sys/modules/mlx5fpga_tools/Makefile   (contents, props changed)
Modified:
  head/sys/dev/mlx5/mlx5io.h

Added: head/sys/dev/mlx5/mlx5_fpga_tools/mlx5fpga_tools_char.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/dev/mlx5/mlx5_fpga_tools/mlx5fpga_tools_char.c	Wed Dec  5 14:17:22 2018	(r341573)
@@ -0,0 +1,325 @@
+/*-
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <dev/mlx5/mlx5io.h>
+#include <dev/mlx5/mlx5_fpga_tools/tools_char.h>
+
+#define CHUNK_SIZE (128 * 1024)
+
+struct tools_context {
+	struct mlx5_fpga_tools_dev *tdev;
+	enum mlx5_fpga_access_type access_type;
+};
+
+static void
+tools_char_ctx_dtor(void *data)
+{
+
+	free(data, M_DEVBUF);
+}
+
+static int
+tools_char_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
+{
+	struct tools_context *context;
+
+	context = malloc(sizeof(*context), M_DEVBUF, M_WAITOK);
+	context->tdev = dev->si_drv1;
+	context->access_type = MLX5_FPGA_ACCESS_TYPE_DONTCARE;
+	devfs_set_cdevpriv(context, tools_char_ctx_dtor);
+	return (0);
+}
+
+static int
+mem_read(struct mlx5_fpga_tools_dev *tdev, void *buf, size_t count,
+    u64 address, enum mlx5_fpga_access_type access_type, size_t *retcnt)
+{
+	int ret;
+
+	ret = sx_xlock_sig(&tdev->lock);
+	if (ret != 0)
+		return (ret);
+	ret = mlx5_fpga_mem_read(tdev->fdev, count, address, buf, access_type);
+	sx_xunlock(&tdev->lock);
+	if (ret < 0) {
+		dev_dbg(mlx5_fpga_dev(tdev->fdev),
+			"Failed to read %zu bytes at address 0x%jx: %d\n",
+			count, (uintmax_t)address, ret);
+		return (-ret);
+	}
+	*retcnt = ret;
+	return (0);
+}
+
+static int
+mem_write(struct mlx5_fpga_tools_dev *tdev, void *buf, size_t count,
+    u64 address, enum mlx5_fpga_access_type access_type, size_t *retcnt)
+{
+	int ret;
+
+	ret = sx_xlock_sig(&tdev->lock);
+	if (ret != 0)
+		return (ret);
+	ret = mlx5_fpga_mem_write(tdev->fdev, count, address, buf, access_type);
+	sx_xunlock(&tdev->lock);
+	if (ret < 0) {
+		dev_dbg(mlx5_fpga_dev(tdev->fdev),
+			"Failed to write %zu bytes at address 0x%jx: %d\n",
+			count, (uintmax_t)address, ret);
+		return (-ret);
+	}
+	*retcnt = ret;
+	return (0);
+}
+
+static void
+tools_char_llseek(struct tools_context *context, struct uio *uio, ssize_t *len)
+{
+	uint64_t fbase, fsize;
+	size_t llen;
+
+	llen = uio->uio_resid;
+	if (llen < 1) {
+		*len = 0;
+		return;
+	}
+	if (llen > CHUNK_SIZE)
+		llen = CHUNK_SIZE;
+	fbase = mlx5_fpga_ddr_base_get(context->tdev->fdev);
+	fsize = mlx5_fpga_ddr_size_get(context->tdev->fdev);
+	if (uio->uio_offset > fbase)
+		*len = 0;
+	else if (uio->uio_offset + *len > fbase + fsize)
+		*len = fbase + fsize - uio->uio_offset;
+	else
+		*len = llen;
+}
+
+static int
+tools_char_read(struct cdev *dev, struct uio *uio, int ioflag)
+{
+	struct tools_context *context;
+	void *kbuf;
+	size_t len, len1;
+	int ret;
+
+	ret = devfs_get_cdevpriv((void **)&context);
+	if (ret != 0)
+		return (ret);
+	dev_dbg(mlx5_fpga_dev(context->tdev->fdev),
+	    "tools char device reading %zu bytes at 0x%jx\n", uio->uio_resid,
+	     (uintmax_t)uio->uio_offset);
+
+	tools_char_llseek(context, uio, &len);
+	if (len == 0)
+		return (0);
+
+	kbuf = malloc(len, M_DEVBUF, M_WAITOK);
+	ret = mem_read(context->tdev, kbuf, len, uio->uio_offset,
+	    context->access_type, &len1);
+	if (ret == 0)
+		ret = uiomove(kbuf, len1, uio);
+	free(kbuf, M_DEVBUF);
+	return (ret);
+}
+
+static int
+tools_char_write(struct cdev *dev, struct uio *uio, int ioflag)
+{
+	struct tools_context *context;
+	void *kbuf;
+	off_t of;
+	size_t len, len1;
+	int ret;
+
+	ret = devfs_get_cdevpriv((void **)&context);
+	if (ret != 0)
+		return (ret);
+	dev_dbg(mlx5_fpga_dev(context->tdev->fdev),
+	    "tools char device reading %zu bytes at 0x%jx\n", uio->uio_resid,
+	    (uintmax_t)uio->uio_offset);
+
+	tools_char_llseek(context, uio, &len);
+	if (len == 0)
+		return (0);
+
+	kbuf = malloc(len, M_DEVBUF, M_WAITOK);
+	len1 = uio->uio_resid;
+	of = uio->uio_offset;
+
+	ret = uiomove(kbuf, len, uio);
+	if (ret == 0) {
+		len1 -= uio->uio_resid;
+		ret = mem_write(context->tdev, kbuf, len, of,
+		    context->access_type, &len1);
+	}
+	free(kbuf, M_DEVBUF);
+	return (ret);
+}
+
+CTASSERT(MLX5_FPGA_CAP_ARR_SZ == MLX5_ST_SZ_DW(fpga_cap));
+
+static int
+tools_char_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
+    struct thread *td)
+{
+	struct tools_context *context;
+	struct mlx5_fpga_device *fdev;
+	struct mlx5_fpga_query query;
+	u32 fpga_cap[MLX5_ST_SZ_DW(fpga_cap)] = {0};
+	int arg, err;
+
+	err = devfs_get_cdevpriv((void **)&context);
+	if (err != 0)
+		return (err);
+	fdev = context->tdev->fdev;
+	if (fdev == NULL)
+		return (ENXIO);
+
+	switch (cmd) {
+	case MLX5_FPGA_ACCESS_TYPE:
+		arg = *(int *)data;
+		if (arg > MLX5_FPGA_ACCESS_TYPE_MAX) {
+			dev_err(mlx5_fpga_dev(fdev),
+			    "unknown access type %u\n", arg);
+			err = EINVAL;
+			break;
+		}
+		context->access_type = arg;
+		break;
+	case MLX5_FPGA_LOAD:
+		arg = *(int *)data;
+		if (arg > MLX5_FPGA_IMAGE_MAX) {
+			dev_err(mlx5_fpga_dev(fdev),
+				"unknown image type %u\n", arg);
+			err = EINVAL;
+			break;
+		}
+		err = mlx5_fpga_device_reload(fdev, arg);
+		break;
+	case MLX5_FPGA_RESET:
+		err = mlx5_fpga_device_reload(fdev, MLX5_FPGA_IMAGE_MAX + 1);
+		break;
+	case MLX5_FPGA_IMAGE_SEL:
+		arg = *(int *)data;
+		if (arg > MLX5_FPGA_IMAGE_MAX) {
+			dev_err(mlx5_fpga_dev(fdev),
+			    "unknown image type %u\n", arg);
+			err = EINVAL;
+			break;
+		}
+		err = mlx5_fpga_flash_select(fdev, arg);
+		break;
+	case MLX5_FPGA_QUERY:
+		mlx5_fpga_device_query(fdev, &query);
+		bcopy(&query, data, sizeof(query));
+		err = 0;
+		break;
+	case MLX5_FPGA_CAP:
+		mlx5_fpga_get_cap(fdev, fpga_cap);
+		bcopy(&fpga_cap, data, sizeof(fpga_cap));
+		err = 0;
+		break;
+	default:
+		dev_err(mlx5_fpga_dev(fdev),
+			"unknown ioctl command %#08lx\n", cmd);
+		err = ENOTTY;
+	}
+	return (err);
+}
+
+static struct cdevsw mlx5_tools_char_cdevsw = {
+	.d_version =	D_VERSION,
+	.d_name =	"mlx5_tools_char",
+	.d_open =	tools_char_open,
+	.d_read =	tools_char_read,
+	.d_write =	tools_char_write,
+	.d_ioctl =	tools_char_ioctl,
+};
+
+int
+mlx5_fpga_tools_char_add_one(struct mlx5_fpga_tools_dev *tdev)
+{
+	struct make_dev_args mda;
+	struct cdev *cd;
+	device_t bdev;
+	int ret;
+
+	make_dev_args_init(&mda);
+	mda.mda_flags = MAKEDEV_WAITOK | MAKEDEV_CHECKNAME;
+	mda.mda_devsw = &mlx5_tools_char_cdevsw;
+	mda.mda_uid = UID_ROOT;
+	mda.mda_gid = GID_OPERATOR;
+	mda.mda_mode = 0660;
+	mda.mda_si_drv1 = tdev;
+	bdev = mlx5_fpga_dev(tdev->fdev)->bsddev;
+	ret = make_dev_s(&mda, &cd,
+	    "%04x:%02x:%02x.%x" MLX5_FPGA_TOOLS_NAME_SUFFIX,
+	    pci_get_domain(bdev), pci_get_bus(bdev), pci_get_slot(bdev),
+	    pci_get_function(bdev));
+	if (ret != 0) {
+		tdev->char_device = NULL;
+		dev_err(mlx5_fpga_dev(tdev->fdev),
+		    "Failed to create a char device: %d\n", ret);
+		return (-ret);
+	}
+	tdev->char_device = cd;
+
+	dev_dbg(mlx5_fpga_dev(tdev->fdev), "tools char device %s created\n",
+	    cd->si_name);
+	return (0);
+}
+
+void mlx5_fpga_tools_char_remove_one(struct mlx5_fpga_tools_dev *tdev)
+{
+
+	dev_err(mlx5_fpga_dev(tdev->fdev), "tools char device %s destroyed\n",
+	    ((struct cdev *)(tdev->char_device))->si_name);
+	destroy_dev((struct cdev *)(tdev->char_device));
+}
+
+int
+mlx5_fpga_tools_char_init(void)
+{
+
+	return (0);
+}
+
+void
+mlx5_fpga_tools_char_deinit(void)
+{
+}

Added: head/sys/dev/mlx5/mlx5_fpga_tools/mlx5fpga_tools_main.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/dev/mlx5/mlx5_fpga_tools/mlx5fpga_tools_main.c	Wed Dec  5 14:17:22 2018	(r341573)
@@ -0,0 +1,143 @@
+/*-
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * $FreeBSD$
+ */
+
+#include <linux/module.h>
+#include <dev/mlx5/mlx5_fpga_tools/tools.h>
+#include <dev/mlx5/mlx5_fpga_tools/tools_char.h>
+
+#if (__FreeBSD_version >= 1100000)
+MODULE_DEPEND(mlx5fpga_tools, linuxkpi, 1, 1, 1);
+#endif
+MODULE_DEPEND(mlx5fpga_tools, mlx5, 1, 1, 1);
+MODULE_DEPEND(mlx5fpga_tools, mlx5fpga, 1, 1, 1);
+MODULE_VERSION(mlx5fpga_tools, 1);
+
+static void mlx5_fpga_tools_create(struct mlx5_fpga_device *fdev);
+static int mlx5_fpga_tools_add(struct mlx5_fpga_device *fdev, u32 vid, u16 pid);
+static void mlx5_fpga_tools_remove(struct mlx5_fpga_device *fdev);
+static void mlx5_fpga_tools_destroy(struct mlx5_fpga_device *fdev);
+
+struct mlx5_fpga_tools_dev *mlx5_fpga_tools_alloc(struct mlx5_fpga_device *fdev);
+void mlx5_fpga_tools_free(struct mlx5_fpga_tools_dev *tdev);
+
+static struct mlx5_fpga_client mlx5_fpga_tools_client = {
+	.name = MLX5_FPGA_TOOLS_DRIVER_NAME,
+	.create = mlx5_fpga_tools_create,
+	.add = mlx5_fpga_tools_add,
+	.remove = mlx5_fpga_tools_remove,
+	.destroy = mlx5_fpga_tools_destroy,
+};
+
+struct mlx5_fpga_tools_dev *mlx5_fpga_tools_alloc(struct mlx5_fpga_device *fdev)
+{
+	int ret;
+	struct mlx5_fpga_tools_dev *tdev;
+
+	tdev = kzalloc(sizeof(*tdev), GFP_KERNEL);
+	if (!tdev)
+		goto out;
+
+	tdev->fdev = fdev;
+	sx_init(&tdev->lock, "mlx5fpgat");
+	ret = mlx5_fpga_tools_char_add_one(tdev);
+	if (ret)
+		goto err_free;
+
+	goto out;
+
+err_free:
+	kfree(tdev);
+	tdev = NULL;
+
+out:
+	return tdev;
+}
+
+void mlx5_fpga_tools_free(struct mlx5_fpga_tools_dev *tdev)
+{
+	mlx5_fpga_tools_char_remove_one(tdev);
+	kfree(tdev);
+}
+
+static void mlx5_fpga_tools_create(struct mlx5_fpga_device *fdev)
+{
+	struct mlx5_fpga_tools_dev *dev = NULL;
+
+	dev_dbg(mlx5_fpga_dev(fdev), "tools_create\n");
+
+	dev = mlx5_fpga_tools_alloc(fdev);
+	if (!dev)
+		return;
+
+	mlx5_fpga_client_data_set(fdev, &mlx5_fpga_tools_client, dev);
+}
+
+static int mlx5_fpga_tools_add(struct mlx5_fpga_device *fdev, u32 vid, u16 pid)
+{
+	return 0;
+}
+
+static void mlx5_fpga_tools_remove(struct mlx5_fpga_device *fdev)
+{
+}
+
+static void mlx5_fpga_tools_destroy(struct mlx5_fpga_device *fdev)
+{
+	struct mlx5_fpga_tools_dev *dev;
+
+	dev_dbg(mlx5_fpga_dev(fdev), "tools_destroy\n");
+
+	dev = mlx5_fpga_client_data_get(fdev, &mlx5_fpga_tools_client);
+	if (dev)
+		mlx5_fpga_tools_free(dev);
+}
+
+static int __init mlx5_fpga_tools_init(void)
+{
+	int ret = mlx5_fpga_tools_char_init();
+
+	if (ret)
+		return ret;
+	mlx5_fpga_client_register(&mlx5_fpga_tools_client);
+	return 0;
+}
+
+static void __exit mlx5_fpga_tools_exit(void)
+{
+	mlx5_fpga_client_unregister(&mlx5_fpga_tools_client);
+	mlx5_fpga_tools_char_deinit();
+}
+
+module_init(mlx5_fpga_tools_init);
+module_exit(mlx5_fpga_tools_exit);

Added: head/sys/dev/mlx5/mlx5_fpga_tools/tools.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/dev/mlx5/mlx5_fpga_tools/tools.h	Wed Dec  5 14:17:22 2018	(r341573)
@@ -0,0 +1,65 @@
+/*-
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef __TOOLS_H__
+#define __TOOLS_H__
+
+#include <sys/lock.h>
+#include <sys/sx.h>
+#include <linux/types.h>
+#include <linux/kobject.h>
+#include <linux/list.h>
+#include <dev/mlx5/mlx5_fpga/sdk.h>
+
+#define MLX5_FPGA_TOOLS_DRIVER_NAME "mlx5_fpga_tools"
+
+struct mlx5_fpga_tools_dev {
+	/* Core device and connection to FPGA */
+	struct mlx5_fpga_device *fdev;
+
+	/* Serializes memory accesses */
+	struct sx lock;
+
+	/* Char device state */
+	void *char_device;
+};
+
+int mlx5_fpga_tools_mem_write(struct mlx5_fpga_tools_dev *tdev,
+			      void *buf, size_t count, u64 address,
+			      enum mlx5_fpga_access_type access_type);
+int mlx5_fpga_tools_mem_read(struct mlx5_fpga_tools_dev *tdev, void *buf,
+			     size_t count, u64 address,
+			     enum mlx5_fpga_access_type access_type);
+
+#endif	/* __TOOLS_H__ */

Added: head/sys/dev/mlx5/mlx5_fpga_tools/tools_char.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/dev/mlx5/mlx5_fpga_tools/tools_char.h	Wed Dec  5 14:17:22 2018	(r341573)
@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef __TOOLS_CHAR_H__
+#define __TOOLS_CHAR_H__
+
+#include <dev/mlx5/mlx5_fpga_tools/tools.h>
+
+int mlx5_fpga_tools_char_init(void);
+void mlx5_fpga_tools_char_deinit(void);
+
+int mlx5_fpga_tools_char_add_one(struct mlx5_fpga_tools_dev *tdev);
+void mlx5_fpga_tools_char_remove_one(struct mlx5_fpga_tools_dev *tdev);
+
+#endif	/* __TOOLS_CHAR_H__ */

Modified: head/sys/dev/mlx5/mlx5io.h
==============================================================================
--- head/sys/dev/mlx5/mlx5io.h	Wed Dec  5 14:11:20 2018	(r341572)
+++ head/sys/dev/mlx5/mlx5io.h	Wed Dec  5 14:17:22 2018	(r341573)
@@ -97,4 +97,15 @@ enum mlx5_fpga_access_type {
 	MLX5_FPGA_ACCESS_TYPE_MAX = MLX5_FPGA_ACCESS_TYPE_DONTCARE,
 };
 
+#define	MLX5_FPGA_CAP_ARR_SZ 0x40
+
+#define	MLX5_FPGA_ACCESS_TYPE	_IOWINT('m', 0x80)
+#define	MLX5_FPGA_LOAD		_IOWINT('m', 0x81)
+#define	MLX5_FPGA_RESET		_IO('m', 0x82)
+#define	MLX5_FPGA_IMAGE_SEL	_IOWINT('m', 0x83)
+#define	MLX5_FPGA_QUERY		_IOR('m', 0x84, struct mlx5_fpga_query)
+#define	MLX5_FPGA_CAP		_IOR('m', 0x85, u32[MLX5_FPGA_CAP_ARR_SZ])
+
+#define	MLX5_FPGA_TOOLS_NAME_SUFFIX	"_mlx5_fpga_tools"
+
 #endif

Added: head/sys/modules/mlx5fpga_tools/Makefile
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/modules/mlx5fpga_tools/Makefile	Wed Dec  5 14:17:22 2018	(r341573)
@@ -0,0 +1,19 @@
+# $FreeBSD$
+.PATH:	${SRCTOP}/sys/dev/mlx5/mlx5_fpga_tools
+
+KMOD=mlx5fpga_tools
+SRCS= \
+	mlx5fpga_tools_main.c \
+	mlx5fpga_tools_char.c
+
+SRCS+= \
+	device_if.h bus_if.h vnode_if.h pci_if.h \
+	opt_inet.h opt_inet6.h opt_rss.h opt_ratelimit.h
+
+CFLAGS+= -I${SRCTOP}/sys/ofed/include
+CFLAGS+= -I${SRCTOP}/sys/compat/linuxkpi/common/include
+
+.include <bsd.kmod.mk>
+
+CFLAGS+= -Wno-cast-qual -Wno-pointer-arith ${GCC_MS_EXTENSIONS}
+CFLAGS+= -DCONFIG_MLX5_FPGA -DCONFIG_MLX5_ACCEL



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