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// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
/*
* Greybus Firmware Management User Header
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2016 Google Inc. All rights reserved.
* Copyright(c) 2016 Linaro Ltd. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details.
*
* BSD LICENSE
*
* Copyright(c) 2016 Google Inc. All rights reserved.
* Copyright(c) 2016 Linaro Ltd. All rights reserved.
*
* 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.
* * Neither the name of Google Inc. or Linaro Ltd. nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 GOOGLE INC. OR
* LINARO LTD. 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.
*/
#ifndef __GREYBUS_FIRMWARE_USER_H
#define __GREYBUS_FIRMWARE_USER_H
#include <linux/ioctl.h>
#include <linux/types.h>
#define GB_FIRMWARE_U_TAG_MAX_SIZE 10
#define GB_FW_U_LOAD_METHOD_UNIPRO 0x01
#define GB_FW_U_LOAD_METHOD_INTERNAL 0x02
#define GB_FW_U_LOAD_STATUS_FAILED 0x00
#define GB_FW_U_LOAD_STATUS_UNVALIDATED 0x01
#define GB_FW_U_LOAD_STATUS_VALIDATED 0x02
#define GB_FW_U_LOAD_STATUS_VALIDATION_FAILED 0x03
#define GB_FW_U_BACKEND_FW_STATUS_SUCCESS 0x01
#define GB_FW_U_BACKEND_FW_STATUS_FAIL_FIND 0x02
#define GB_FW_U_BACKEND_FW_STATUS_FAIL_FETCH 0x03
#define GB_FW_U_BACKEND_FW_STATUS_FAIL_WRITE 0x04
#define GB_FW_U_BACKEND_FW_STATUS_INT 0x05
#define GB_FW_U_BACKEND_FW_STATUS_RETRY 0x06
#define GB_FW_U_BACKEND_FW_STATUS_NOT_SUPPORTED 0x07
#define GB_FW_U_BACKEND_VERSION_STATUS_SUCCESS 0x01
#define GB_FW_U_BACKEND_VERSION_STATUS_NOT_AVAILABLE 0x02
#define GB_FW_U_BACKEND_VERSION_STATUS_NOT_SUPPORTED 0x03
#define GB_FW_U_BACKEND_VERSION_STATUS_RETRY 0x04
#define GB_FW_U_BACKEND_VERSION_STATUS_FAIL_INT 0x05
/* IOCTL support */
struct fw_mgmt_ioc_get_intf_version {
__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
__u16 major;
__u16 minor;
} __attribute__ ((__packed__));
struct fw_mgmt_ioc_get_backend_version {
__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
__u16 major;
__u16 minor;
__u8 status;
} __attribute__ ((__packed__));
struct fw_mgmt_ioc_intf_load_and_validate {
__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
__u8 load_method;
__u8 status;
__u16 major;
__u16 minor;
} __attribute__ ((__packed__));
struct fw_mgmt_ioc_backend_fw_update {
__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
__u8 status;
} __attribute__ ((__packed__));
#define FW_MGMT_IOCTL_BASE 'F'
#define FW_MGMT_IOC_GET_INTF_FW _IOR(FW_MGMT_IOCTL_BASE, 0, struct fw_mgmt_ioc_get_intf_version)
#define FW_MGMT_IOC_GET_BACKEND_FW _IOWR(FW_MGMT_IOCTL_BASE, 1, struct fw_mgmt_ioc_get_backend_version)
#define FW_MGMT_IOC_INTF_LOAD_AND_VALIDATE _IOWR(FW_MGMT_IOCTL_BASE, 2, struct fw_mgmt_ioc_intf_load_and_validate)
#define FW_MGMT_IOC_INTF_BACKEND_FW_UPDATE _IOWR(FW_MGMT_IOCTL_BASE, 3, struct fw_mgmt_ioc_backend_fw_update)
#define FW_MGMT_IOC_SET_TIMEOUT_MS _IOW(FW_MGMT_IOCTL_BASE, 4, unsigned int)
#define FW_MGMT_IOC_MODE_SWITCH _IO(FW_MGMT_IOCTL_BASE, 5)
#endif /* __GREYBUS_FIRMWARE_USER_H */
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