threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/*
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* Copyright (C) 2017 MediaTek Inc.
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* Licensed under either
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* BSD Licence, (see NOTICE for more details)
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* GNU General Public License, version 2.0, (see NOTICE for more details)
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*/
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#ifndef __NANDX_PMT_H__
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#define __NANDX_PMT_H__
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#include "nandx_util.h"
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#include "nandx_info.h"
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#define MAX_PARTITION_NAME_LEN 64
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#define REGION_LOW_PAGE 0x004C4F57
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#define REGION_FULL_PAGE 0x46554C4C
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#define REGION_SLC_MODE 0x00534C43
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#define REGION_TLC_MODE 0x00544C43
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#define PT_SIG 0x50547633 /* "PTv3" */
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#define MPT_SIG 0x4D505433 /* "MPT3" */
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#define PT_SIG_SIZE 4
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#define PT_TLCRATIO_SIZE 4
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#define is_valid_pt(buf) (!memcmp(buf, "3vTP", 4))
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#define is_valid_mpt(buf) (!memcmp(buf, "3TPM", 4))
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#define PMT_POOL_SIZE (2)
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#undef PART_MAX_COUNT
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#define PART_MAX_COUNT (40)
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struct extension {
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unsigned int type;
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unsigned int attr;
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};
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struct pt_resident {
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char name[MAX_PARTITION_NAME_LEN]; /* partition name */
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unsigned long long size; /* partition size */
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union {
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unsigned long long part_id;
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struct extension ext;
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};
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unsigned long long offset; /* partition start */
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unsigned long long mask_flags; /* partition flags */
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};
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/**
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* struct pmt_handler - partition table handler
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* @info: struct nandx_chip_info which contains nand device info
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* @pmt: partition table buffer
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* @block_bitmap: block type bitmap buffer for mntl
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* @start_blk: start block of partition region
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* @pmt_page: the latest pmt page number in pmt block
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* @part_num: partition number of current pmt
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* @sys_slc_ratio: slc ratio of system partition
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* @usr_slc_ratio: slc ratio of user partition
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*/
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struct pmt_handler {
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struct nandx_chip_info *info;
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struct pt_resident *pmt;
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u32 *block_bitmap;
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u32 start_blk;
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u32 pmt_page;
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u32 part_num;
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u32 sys_slc_ratio;
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u32 usr_slc_ratio;
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};
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int nandx_pmt_init(struct nandx_chip_info *info, u32 start_blk);
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void nandx_pmt_exit(void);
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int nandx_pmt_update(void);
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struct pt_resident *nandx_pmt_get_partition(u64 addr);
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u64 nandx_pmt_get_start_address(struct pt_resident *pt);
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bool nandx_pmt_is_raw_partition(struct pt_resident *pt);
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struct pmt_handler *nandx_get_pmt_handler(void);
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int nandx_pmt_addr_to_row(u64 addr, u32 *block, u32 *page);
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bool nandx_pmt_blk_is_slc(u64 addr);
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#endif
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