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  	   -€ѕО0БМ     /€КОѓDЙБМ I    //* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USB_UAS_H__
#define __USB_UAS_H__

#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>

/* Common header for all IUs */
struct iu {
	__u8 iu_id;
	__u8 rsvd1;
	__be16 tag;
} __attribute__((__packed__));

enum {
	IU_ID_COMMAND		= 0x01,
	IU_ID_STATUS		= 0x03,
	IU_ID_RESPONSE		= 0x04,
	IU_ID_TASK_MGMT		= 0x05,
	IU_ID_READ_READY	= 0x06,
	IU_ID_WRITE_READY	= 0x07,
};

enum {
	TMF_ABORT_TASK          = 0x01,
	TMF_ABORT_TASK_SET      = 0x02,
	TMF_CLEAR_TASK_SET      = 0x04,
	TMF_LOGICAL_UNIT_RESET  = 0x08,
	TMF_I_T_NEXUS_RESET     = 0x10,
	TMF_CLEAR_ACA           = 0x40,
	TMF_QUERY_TASK          = 0x80,
	TMF_QUERY_TASK_SET      = 0x81,
	TMF_QUERY_ASYNC_EVENT   = 0x82,
};

enum {
	RC_TMF_COMPLETE         = 0x00,
	RC_INVALID_INFO_UNIT    = 0x02,
	RC_TMF_NOT_SUPPORTED    = 0x04,
	RC_TMF_FAILED           = 0x05,
	RC_TMF_SUCCEEDED        = 0x08,
	RC_INCORRECT_LUN        = 0x09,
	RC_OVERLAPPED_TAG       = 0x0a,
};

struct command_iu {
	__u8 iu_id;
	__u8 rsvd1;
	__be16 tag;
	__u8 prio_attr;
	__u8 rsvd5;
	__u8 len;
	__u8 rsvd7;
	struct scsi_lun lun;
	__u8 cdb[16];	/* XXX: Overflow-checking tools may misunderstand */
} __attribute__((__packed__));

struct task_mgmt_iu {
	__u8 iu_id;
	__u8 rsvd1;
	__be16 tag;
	__u8 function;
	__u8 rsvd2;
	__be16 task_tag;
	struct scsi_lun lun;
} __attribute__((__packed__));

/*
 * Also used for the Read Ready and Write Ready IUs since they have the
 * same first four bytes
 */
struct sense_iu {
	__u8 iu_id;
	__u8 rsvd1;
	__be16 tag;
	__be16 status_qual;
	__u8 status;
	__u8 rsvd7[7];
	__be16 len;
	__u8 sense[SCSI_SENSE_BUFFERSIZE];
} __attribute__((__packed__));

struct response_iu {
	__u8 iu_id;
	__u8 rsvd1;
	__be16 tag;
	__u8 add_response_info[3];
	__u8 response_code;
} __attribute__((__packed__));

struct usb_pipe_usage_descriptor {
	__u8  bLength;
	__u8  bDescriptorType;

	__u8  bPipeID;
	__u8  Reserved;
} __attribute__((__packed__));

enum {
	CMD_PIPE_ID		= 1,
	STATUS_PIPE_ID		= 2,
	DATA_IN_PIPE_ID		= 3,
	DATA_OUT_PIPE_ID	= 4,

	UAS_SIMPLE_TAG		= 0,
	UAS_HEAD_TAG		= 1,
	UAS_ORDERED_TAG		= 2,
	UAS_ACA			= 4,
};
#endif
     1€КОѓuЖќЙБМ Я    1// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
/*
 * libfdt - Flat Device Tree manipulation
 * Copyright (C) 2006 David Gibson, IBM Corporation.
 */
#include "libfdt_env.h"

#include <fdt.h>
#include <libfdt.h>

#include "libfdt_internal.h"

/*
 * Minimal sanity check for a read-only tree. fdt_ro_probe_() checks
 * that the given buffer contains what appears to be a flattened
 * device tree with sane information in its header.
 */
int32_t fdt_ro_probe_(const void *fdt)
{
	uint32_t totalsize = fdt_totalsize(fdt);

	if (can_assume(VALID_DTB))
		return totalsize;

	/* The device tree must be at an 8-byte aligned address */
	if ((uintptr_t)fdt & 7)
		return -FDT_ERR_ALIGNMENT;

	if (fdt_magic(fdt) == FDT_MAGIC) {
		/* Complete tree */
		if (!can_assume(LATEST)) {
			if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)
				return -FDT_ERR_BADVERSION;
			if (fdt_last_comp_version(fdt) >
					FDT_LAST_SUPPORTED_VERSION)
				return -FDT_ERR_BADVERSION;
		}
	} else if (fdt_magic(fdt) == FDT_SW_MAGIC) {
		/* Unfinished sequential-write blob */
		if (!can_assume(VALID_INPUT) && fdt_size_dt_struct(fdt) == 0)
			return -FDT_ERR_BADSTATE;
	} else {
		return -FDT_ERR_BADMAGIC;
	}

	if (totalsize < INT32_MAX)
		return totalsize;
	else
		return -FDT_ERR_TRUNCATED;
}

static int check_off_(uint32_t hdrsize, uint32_t totalsize, uint32_t off)
{
	return (off >= hdrsize) && (off <= totalsize);
}

static int check_block_(uint32_t hdrsize, uint32_t totalsize,
			uint32_t base, uint32_t size)
{
	if (!check_off_(hdrsize, totalsize, base))
		return 0; /* block start out of bounds */
	if ((base + size) < base)
		return 0; /* overflow */
	if (!check_off_(hdrsize, totalsize, base + size))
		return 0; /* block end out of bounds */
	return 1;
}

size_t fdt_header_size_(uint32_t version)
{
	if (version <= 1)
		return FDT_V1_SIZE;
	else if (version <= 2)
		return FDT_V2_SIZE;
	else