/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
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/*
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* Greybus Firmware Management User Header
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*
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* Copyright(c) 2016 Google Inc. All rights reserved.
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* Copyright(c) 2016 Linaro Ltd. All rights reserved.
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*/
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#ifndef __GREYBUS_FIRMWARE_USER_H
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#define __GREYBUS_FIRMWARE_USER_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#define GB_FIRMWARE_U_TAG_MAX_SIZE 10
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#define GB_FW_U_LOAD_METHOD_UNIPRO 0x01
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#define GB_FW_U_LOAD_METHOD_INTERNAL 0x02
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#define GB_FW_U_LOAD_STATUS_FAILED 0x00
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#define GB_FW_U_LOAD_STATUS_UNVALIDATED 0x01
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#define GB_FW_U_LOAD_STATUS_VALIDATED 0x02
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#define GB_FW_U_LOAD_STATUS_VALIDATION_FAILED 0x03
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#define GB_FW_U_BACKEND_FW_STATUS_SUCCESS 0x01
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#define GB_FW_U_BACKEND_FW_STATUS_FAIL_FIND 0x02
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#define GB_FW_U_BACKEND_FW_STATUS_FAIL_FETCH 0x03
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#define GB_FW_U_BACKEND_FW_STATUS_FAIL_WRITE 0x04
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#define GB_FW_U_BACKEND_FW_STATUS_INT 0x05
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#define GB_FW_U_BACKEND_FW_STATUS_RETRY 0x06
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#define GB_FW_U_BACKEND_FW_STATUS_NOT_SUPPORTED 0x07
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#define GB_FW_U_BACKEND_VERSION_STATUS_SUCCESS 0x01
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#define GB_FW_U_BACKEND_VERSION_STATUS_NOT_AVAILABLE 0x02
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#define GB_FW_U_BACKEND_VERSION_STATUS_NOT_SUPPORTED 0x03
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#define GB_FW_U_BACKEND_VERSION_STATUS_RETRY 0x04
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#define GB_FW_U_BACKEND_VERSION_STATUS_FAIL_INT 0x05
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/* IOCTL support */
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struct fw_mgmt_ioc_get_intf_version {
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__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
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__u16 major;
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__u16 minor;
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} __attribute__ ((__packed__));
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struct fw_mgmt_ioc_get_backend_version {
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__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
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__u16 major;
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__u16 minor;
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__u8 status;
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} __attribute__ ((__packed__));
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struct fw_mgmt_ioc_intf_load_and_validate {
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__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
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__u8 load_method;
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__u8 status;
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__u16 major;
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__u16 minor;
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} __attribute__ ((__packed__));
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struct fw_mgmt_ioc_backend_fw_update {
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__u8 firmware_tag[GB_FIRMWARE_U_TAG_MAX_SIZE];
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__u8 status;
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} __attribute__ ((__packed__));
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#define FW_MGMT_IOCTL_BASE 'F'
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#define FW_MGMT_IOC_GET_INTF_FW _IOR(FW_MGMT_IOCTL_BASE, 0, struct fw_mgmt_ioc_get_intf_version)
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#define FW_MGMT_IOC_GET_BACKEND_FW _IOWR(FW_MGMT_IOCTL_BASE, 1, struct fw_mgmt_ioc_get_backend_version)
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#define FW_MGMT_IOC_INTF_LOAD_AND_VALIDATE _IOWR(FW_MGMT_IOCTL_BASE, 2, struct fw_mgmt_ioc_intf_load_and_validate)
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#define FW_MGMT_IOC_INTF_BACKEND_FW_UPDATE _IOWR(FW_MGMT_IOCTL_BASE, 3, struct fw_mgmt_ioc_backend_fw_update)
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#define FW_MGMT_IOC_SET_TIMEOUT_MS _IOW(FW_MGMT_IOCTL_BASE, 4, unsigned int)
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#define FW_MGMT_IOC_MODE_SWITCH _IO(FW_MGMT_IOCTL_BASE, 5)
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#endif /* __GREYBUS_FIRMWARE_USER_H */
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