add missing gpt-utils kernel headers
picked from twrp's common gpt-utils https://github.com/TeamWin/android_device_qcom_common android-12.1
This commit is contained in:
j4nn
parent
6547bf0c7a
commit
4a33531efd
6 changed files with 151 additions and 6 deletions
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@ -32,8 +32,5 @@ cc_library {
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"gpt-utils.cpp",
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],
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owner: "qti",
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// header_libs: [
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// "generated_kernel_headers",
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// ],
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export_include_dirs: ["."],
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export_include_dirs: ["include"],
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}
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@ -38,8 +38,8 @@
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#include <inttypes.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <scsi/ufs/ioctl.h>
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#include <scsi/ufs/ufs.h>
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#include "ioctl.h"
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#include "ufs.h"
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#include <unistd.h>
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#include <linux/fs.h>
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#include <limits.h>
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193
gpt-utils/include/gpt-utils.h
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193
gpt-utils/include/gpt-utils.h
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@ -0,0 +1,193 @@
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/*
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* Copyright (c) 2013,2016, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __GPT_UTILS_H__
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#define __GPT_UTILS_H__
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#include <vector>
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#include <string>
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#include <map>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <unistd.h>
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#include <stdlib.h>
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/******************************************************************************
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* GPT HEADER DEFINES
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******************************************************************************/
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#define GPT_SIGNATURE "EFI PART"
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#define HEADER_SIZE_OFFSET 12
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#define HEADER_CRC_OFFSET 16
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#define PRIMARY_HEADER_OFFSET 24
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#define BACKUP_HEADER_OFFSET 32
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#define FIRST_USABLE_LBA_OFFSET 40
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#define LAST_USABLE_LBA_OFFSET 48
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#define PENTRIES_OFFSET 72
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#define PARTITION_COUNT_OFFSET 80
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#define PENTRY_SIZE_OFFSET 84
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#define PARTITION_CRC_OFFSET 88
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#define TYPE_GUID_OFFSET 0
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#define TYPE_GUID_SIZE 16
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#define PTN_ENTRY_SIZE 128
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#define UNIQUE_GUID_OFFSET 16
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#define FIRST_LBA_OFFSET 32
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#define LAST_LBA_OFFSET 40
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#define ATTRIBUTE_FLAG_OFFSET 48
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#define PARTITION_NAME_OFFSET 56
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#define MAX_GPT_NAME_SIZE 72
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/******************************************************************************
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* AB RELATED DEFINES
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******************************************************************************/
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//Bit 48 onwords in the attribute field are the ones where we are allowed to
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//store our AB attributes.
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#define AB_FLAG_OFFSET (ATTRIBUTE_FLAG_OFFSET + 6)
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#define GPT_DISK_INIT_MAGIC 0xABCD
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#define AB_PARTITION_ATTR_SLOT_ACTIVE (0x1<<2)
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#define AB_PARTITION_ATTR_BOOT_SUCCESSFUL (0x1<<6)
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#define AB_PARTITION_ATTR_UNBOOTABLE (0x1<<7)
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#define AB_SLOT_ACTIVE_VAL 0x3F
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#define AB_SLOT_INACTIVE_VAL 0x0
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#define AB_SLOT_ACTIVE 1
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#define AB_SLOT_INACTIVE 0
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#define AB_SLOT_A_SUFFIX "_a"
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#define AB_SLOT_B_SUFFIX "_b"
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#define PTN_XBL "xbl"
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#define PTN_XBL_CFG "xbl_config"
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#define PTN_SWAP_LIST PTN_XBL, PTN_XBL_CFG, "sbl1", "rpm", "tz", "aboot", "abl", "hyp", "lksecapp", "keymaster", "cmnlib", "cmnlib32", "cmnlib64", "pmic", "apdp", "devcfg", "hosd", "keystore", "msadp", "mdtp", "mdtpsecapp", "dsp", "aop", "qupfw", "vbmeta", "dtbo", "ImageFv"
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#define AB_PTN_LIST PTN_SWAP_LIST, "boot", "system", "vendor", "modem", "bluetooth"
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#define BOOT_DEV_DIR "/dev/block/bootdevice/by-name"
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/******************************************************************************
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* HELPER MACROS
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******************************************************************************/
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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/******************************************************************************
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* TYPES
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******************************************************************************/
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enum boot_update_stage {
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UPDATE_MAIN = 1,
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UPDATE_BACKUP,
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UPDATE_FINALIZE
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};
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enum gpt_instance {
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PRIMARY_GPT = 0,
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SECONDARY_GPT
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};
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enum boot_chain {
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NORMAL_BOOT = 0,
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BACKUP_BOOT
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};
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struct gpt_disk {
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//GPT primary header
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uint8_t *hdr;
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//primary header crc
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uint32_t hdr_crc;
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//GPT backup header
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uint8_t *hdr_bak;
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//backup header crc
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uint32_t hdr_bak_crc;
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//Partition entries array
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uint8_t *pentry_arr;
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//Partition entries array for backup table
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uint8_t *pentry_arr_bak;
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//Size of the pentry array
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uint32_t pentry_arr_size;
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//Size of each element in the pentry array
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uint32_t pentry_size;
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//CRC of the partition entry array
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uint32_t pentry_arr_crc;
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//CRC of the backup partition entry array
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uint32_t pentry_arr_bak_crc;
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//Path to block dev representing the disk
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char devpath[PATH_MAX];
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//Block size of disk
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uint32_t block_size;
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uint32_t is_initialized;
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};
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/******************************************************************************
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* FUNCTION PROTOTYPES
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******************************************************************************/
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int prepare_boot_update(enum boot_update_stage stage);
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//GPT disk methods
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struct gpt_disk* gpt_disk_alloc();
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//Free previously allocated gpt_disk struct
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void gpt_disk_free(struct gpt_disk *disk);
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//Get the details of the disk holding the partition whose name
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//is passed in via dev
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int gpt_disk_get_disk_info(const char *dev, struct gpt_disk *disk);
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//Get pointer to partition entry from a allocated gpt_disk structure
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uint8_t* gpt_disk_get_pentry(struct gpt_disk *disk,
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const char *partname,
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enum gpt_instance instance);
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//Update the crc fields of the modified disk structure
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int gpt_disk_update_crc(struct gpt_disk *disk);
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//Write the contents of struct gpt_disk back to the actual disk
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int gpt_disk_commit(struct gpt_disk *disk);
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//Return if the current device is UFS based or not
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int gpt_utils_is_ufs_device();
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//Swtich betwieen using either the primary or the backup
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//boot LUN for boot. This is required since UFS boot partitions
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//cannot have a backup GPT which is what we use for failsafe
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//updates of the other 'critical' partitions. This function will
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//not be invoked for emmc targets and on UFS targets is only required
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//to be invoked for XBL.
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//
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//The algorithm to do this is as follows:
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//- Find the real block device(eg: /dev/block/sdb) that corresponds
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// to the /dev/block/bootdevice/by-name/xbl(bak) symlink
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//
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//- Once we have the block device 'node' name(sdb in the above example)
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// use this node to to locate the scsi generic device that represents
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// it by checking the file /sys/block/sdb/device/scsi_generic/sgY
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//
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//- Once we locate sgY we call the query ioctl on /dev/sgy to switch
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//the boot lun to either LUNA or LUNB
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int gpt_utils_set_xbl_boot_partition(enum boot_chain chain);
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//Given a vector of partition names as a input and a reference to a map,
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//populate the map to indicate which physical disk each of the partitions
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//sits on. The key in the map is the path to the block device where the
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//partiton lies and the value is a vector of strings indicating which of
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//the passed in partiton names sits on that device.
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int gpt_utils_get_partition_map(std::vector<std::string>& partition_list,
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std::map<std::string,std::vector<std::string>>& partition_map);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __GPT_UTILS_H__ */
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59
gpt-utils/include/ioctl.h
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59
gpt-utils/include/ioctl.h
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@ -0,0 +1,59 @@
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/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
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#ifndef UAPI_UFS_IOCTL_H_
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#define UAPI_UFS_IOCTL_H_
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#include <linux/types.h>
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/*
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* IOCTL opcode for ufs queries has the following opcode after
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* SCSI_IOCTL_GET_PCI
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*/
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#define UFS_IOCTL_QUERY 0x5388
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/**
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* struct ufs_ioctl_query_data - used to transfer data to and from user via
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* ioctl
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* @opcode: type of data to query (descriptor/attribute/flag)
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* @idn: id of the data structure
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* @buf_size: number of allocated bytes/data size on return
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* @buffer: data location
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*
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* Received: buffer and buf_size (available space for transferred data)
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* Submitted: opcode, idn, length, buf_size
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*/
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struct ufs_ioctl_query_data {
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/*
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* User should select one of the opcode defined in "enum query_opcode".
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* Please check include/uapi/scsi/ufs/ufs.h for the definition of it.
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* Note that only UPIU_QUERY_OPCODE_READ_DESC,
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* UPIU_QUERY_OPCODE_READ_ATTR & UPIU_QUERY_OPCODE_READ_FLAG are
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* supported as of now. All other query_opcode would be considered
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* invalid.
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* As of now only read query operations are supported.
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*/
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__u32 opcode;
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/*
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* User should select one of the idn from "enum flag_idn" or "enum
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* attr_idn" or "enum desc_idn" based on whether opcode above is
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* attribute, flag or descriptor.
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* Please check include/uapi/scsi/ufs/ufs.h for the definition of it.
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*/
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__u8 idn;
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/*
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* User should specify the size of the buffer (buffer[0] below) where
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* it wants to read the query data (attribute/flag/descriptor).
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* As we might end up reading less data then what is specified in
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* buf_size. So we are updating buf_size to what exactly we have read.
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*/
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__u16 buf_size;
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/*
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* placeholder for the start of the data buffer where kernel will copy
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* the query data (attribute/flag/descriptor) read from the UFS device
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* Note:
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* For Read/Write Attribute you will have to allocate 4 bytes
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* For Read/Write Flag you will have to allocate 1 byte
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*/
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__u8 buffer[0];
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};
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#endif /* UAPI_UFS_IOCTL_H_ */
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24
gpt-utils/include/sparse_crc32.h
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24
gpt-utils/include/sparse_crc32.h
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@ -0,0 +1,24 @@
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/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _LIBSPARSE_SPARSE_CRC32_H_
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#define _LIBSPARSE_SPARSE_CRC32_H_
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#include <stdint.h>
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uint32_t sparse_crc32(uint32_t crc, const void* buf, size_t size);
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#endif
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89
gpt-utils/include/ufs.h
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89
gpt-utils/include/ufs.h
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@ -0,0 +1,89 @@
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/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
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#ifndef UAPI_UFS_H_
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#define UAPI_UFS_H_
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#define MAX_QUERY_IDN 0x12
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/* Flag idn for Query Requests*/
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enum flag_idn {
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QUERY_FLAG_IDN_FDEVICEINIT = 0x01,
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QUERY_FLAG_IDN_PERMANENT_WPE = 0x02,
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QUERY_FLAG_IDN_PWR_ON_WPE = 0x03,
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QUERY_FLAG_IDN_BKOPS_EN = 0x04,
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QUERY_FLAG_IDN_LIFE_SPAN_MODE_ENABLE = 0x05,
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QUERY_FLAG_IDN_PURGE_ENABLE = 0x06,
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QUERY_FLAG_IDN_RESERVED2 = 0x07,
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QUERY_FLAG_IDN_FPHYRESOURCEREMOVAL = 0x08,
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QUERY_FLAG_IDN_BUSY_RTC = 0x09,
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QUERY_FLAG_IDN_RESERVED3 = 0x0A,
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QUERY_FLAG_IDN_PERMANENTLY_DISABLE_FW_UPDATE = 0x0B,
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QUERY_FLAG_IDN_WB_EN = 0x0E,
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QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN = 0x0F,
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QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8 = 0x10,
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};
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/* Attribute idn for Query requests */
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enum attr_idn {
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QUERY_ATTR_IDN_BOOT_LU_EN = 0x00,
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QUERY_ATTR_IDN_RESERVED = 0x01,
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QUERY_ATTR_IDN_POWER_MODE = 0x02,
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QUERY_ATTR_IDN_ACTIVE_ICC_LVL = 0x03,
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QUERY_ATTR_IDN_OOO_DATA_EN = 0x04,
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QUERY_ATTR_IDN_BKOPS_STATUS = 0x05,
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QUERY_ATTR_IDN_PURGE_STATUS = 0x06,
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QUERY_ATTR_IDN_MAX_DATA_IN = 0x07,
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QUERY_ATTR_IDN_MAX_DATA_OUT = 0x08,
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QUERY_ATTR_IDN_DYN_CAP_NEEDED = 0x09,
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QUERY_ATTR_IDN_REF_CLK_FREQ = 0x0A,
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QUERY_ATTR_IDN_CONF_DESC_LOCK = 0x0B,
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QUERY_ATTR_IDN_MAX_NUM_OF_RTT = 0x0C,
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QUERY_ATTR_IDN_EE_CONTROL = 0x0D,
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QUERY_ATTR_IDN_EE_STATUS = 0x0E,
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QUERY_ATTR_IDN_SECONDS_PASSED = 0x0F,
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QUERY_ATTR_IDN_CNTX_CONF = 0x10,
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QUERY_ATTR_IDN_CORR_PRG_BLK_NUM = 0x11,
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QUERY_ATTR_IDN_RESERVED2 = 0x12,
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QUERY_ATTR_IDN_RESERVED3 = 0x13,
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QUERY_ATTR_IDN_FFU_STATUS = 0x14,
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QUERY_ATTR_IDN_PSA_STATE = 0x15,
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QUERY_ATTR_IDN_PSA_DATA_SIZE = 0x16,
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QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME = 0x17,
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QUERY_ATTR_IDN_WB_FLUSH_STATUS = 0x1C,
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QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE = 0x1D,
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QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST = 0x1E,
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QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE = 0x1F,
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};
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#define QUERY_ATTR_IDN_BOOT_LU_EN_MAX 0x02
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#define QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME \
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QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME
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/* Descriptor idn for Query requests */
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enum desc_idn {
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QUERY_DESC_IDN_DEVICE = 0x0,
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QUERY_DESC_IDN_CONFIGURATION = 0x1,
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QUERY_DESC_IDN_UNIT = 0x2,
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QUERY_DESC_IDN_RFU_0 = 0x3,
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QUERY_DESC_IDN_INTERCONNECT = 0x4,
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QUERY_DESC_IDN_STRING = 0x5,
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QUERY_DESC_IDN_RFU_1 = 0x6,
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QUERY_DESC_IDN_GEOMETRY = 0x7,
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QUERY_DESC_IDN_POWER = 0x8,
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QUERY_DESC_IDN_HEALTH = 0x9,
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QUERY_DESC_IDN_MAX,
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};
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/* UTP QUERY Transaction Specific Fields OpCode */
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enum query_opcode {
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UPIU_QUERY_OPCODE_NOP = 0x0,
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UPIU_QUERY_OPCODE_READ_DESC = 0x1,
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UPIU_QUERY_OPCODE_WRITE_DESC = 0x2,
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UPIU_QUERY_OPCODE_READ_ATTR = 0x3,
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UPIU_QUERY_OPCODE_WRITE_ATTR = 0x4,
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UPIU_QUERY_OPCODE_READ_FLAG = 0x5,
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UPIU_QUERY_OPCODE_SET_FLAG = 0x6,
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UPIU_QUERY_OPCODE_CLEAR_FLAG = 0x7,
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UPIU_QUERY_OPCODE_TOGGLE_FLAG = 0x8,
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UPIU_QUERY_OPCODE_MAX,
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};
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#endif /* UAPI_UFS_H_ */
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