android_device_xiaomi_sm835.../gpt-utils/recovery-ufs-bsg.h
2021-09-03 20:47:47 +03:00

132 lines
3.9 KiB
C

#ifndef __RECOVERY_UFS_BSG_H__
#define __RECOVERY_UFS_BSG_H__
/*
* Copyright (c) 2020 The Linux Foundation. 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 The Linux Foundation 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 "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
*/
#include <linux/bsg.h>
#include <scsi/scsi_bsg_ufs.h>
#include <endian.h>
#include <dirent.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#ifdef ANDROID
#include "cutils/log.h"
#endif
#ifdef OE
#include <syslog.h>
#define LOGI(...) syslog(LOG_NOTICE, "INFO:" __VA_ARGS__)
#define LOGV(...) syslog(LOG_NOTICE,"VERB:" __VA_ARGS__)
#define LOGD(...) syslog(LOG_DEBUG,"DBG:" __VA_ARGS__)
#define LOGE(...) syslog(LOG_ERR,"ERR:" __VA_ARGS__)
#define LOGW(...) syslog(LOG_WARNING,"WRN:" __VA_ARGS__)
#define strlcat(d,s,l) snprintf(d+strlen(d),l,"%s",s)
#endif
#define FNAME_SZ 64
#define SG_IO 0x2285
#define DWORD(b3, b2, b1, b0) htobe32((b3 << 24) | (b2 << 16) |\
(b1 << 8) | b0)
/* UFS BSG device nodes */
char ufs_bsg_dev[FNAME_SZ] = "/dev/ufs-bsg";
int fd_ufs_bsg;
int32_t set_ufs_lun(uint8_t lun_id);
#ifdef _BSG_FRAMEWORK_KERNEL_HEADERS
/* UPIU Transaction Codes */
enum {
UTP_UPIU_NOP_OUT = 0x00,
UTP_UPIU_COMMAND = 0x01,
UTP_UPIU_DATA_OUT = 0x02,
UTP_UPIU_TASK_REQ = 0x04,
UTP_UPIU_QUERY_REQ = 0x16,
};
/* UPIU Query Function field */
enum {
QUERY_REQ_FUNC_STD_READ = 0x01,
QUERY_REQ_FUNC_STD_WRITE = 0x81,
};
enum query_req_opcode {
QUERY_REQ_OP_READ_DESC = 0x1,
QUERY_REQ_OP_WRITE_DESC = 0x2,
QUERY_REQ_OP_READ_ATTR = 0x3,
QUERY_REQ_OP_WRITE_ATTR = 0x4,
QUERY_REQ_OP_READ_FLAG = 0x5,
QUERY_REQ_OP_SET_FLAG = 0x6,
QUERY_REQ_OP_CLEAR_FLAG = 0x7,
QUERY_REQ_OP_TOGGLE_FLAG = 0x8,
};
enum query_desc_idn {
QUERY_DESC_IDN_DEVICE = 0x0,
QUERY_DESC_IDN_UNIT = 0x2,
QUERY_DESC_IDN_GEOMETRY = 0x7,
};
enum query_desc_size {
QUERY_DESC_SIZE_DEVICE = 0x40,
QUERY_DESC_SIZE_GEOMETRY = 0x48,
QUERY_DESC_SIZE_UNIT = 0x23,
};
enum bsg_ioctl_dir {
BSG_IOCTL_DIR_TO_DEV,
BSG_IOCTL_DIR_FROM_DEV,
};
enum query_attr_idn {
QUERY_ATTR_IDN_BOOT_LU_EN = 0x00,
QUERY_ATTR_IDN_RESERVED = 0x01,
QUERY_ATTR_IDN_POWER_MODE = 0x02,
QUERY_ATTR_IDN_ACTIVE_ICC_LVL = 0x03,
};
#endif /* _BSG_FRAMEWORK_KERNEL_HEADERS */
#endif /* __RECOVERY_UFS_BSG_H__ */