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6951c58522
fix spelling mistake, managment -> management in literal strings, in a variable and a macro. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
291 lines
7.1 KiB
C
291 lines
7.1 KiB
C
/*
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* ms_block.h - Sony MemoryStick (legacy) storage support
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* Copyright (C) 2013 Maxim Levitsky <maximlevitsky@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Minor portions of the driver are copied from mspro_block.c which is
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* Copyright (C) 2007 Alex Dubov <oakad@yahoo.com>
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*
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* Also ms structures were copied from old broken driver by same author
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* These probably come from MS spec
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*
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*/
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#ifndef MS_BLOCK_NEW_H
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#define MS_BLOCK_NEW_H
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#define MS_BLOCK_MAX_SEGS 32
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#define MS_BLOCK_MAX_PAGES ((2 << 16) - 1)
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#define MS_BLOCK_MAX_BOOT_ADDR 0x000c
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#define MS_BLOCK_BOOT_ID 0x0001
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#define MS_BLOCK_INVALID 0xffff
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#define MS_MAX_ZONES 16
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#define MS_BLOCKS_IN_ZONE 512
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#define MS_BLOCK_MAP_LINE_SZ 16
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#define MS_BLOCK_PART_SHIFT 3
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#define MEMSTICK_UNCORR_ERROR (MEMSTICK_STATUS1_UCFG | \
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MEMSTICK_STATUS1_UCEX | MEMSTICK_STATUS1_UCDT)
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#define MEMSTICK_CORR_ERROR (MEMSTICK_STATUS1_FGER | MEMSTICK_STATUS1_EXER | \
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MEMSTICK_STATUS1_DTER)
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#define MEMSTICK_INT_ERROR (MEMSTICK_INT_CMDNAK | MEMSTICK_INT_ERR)
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#define MEMSTICK_OVERWRITE_FLAG_NORMAL \
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(MEMSTICK_OVERWRITE_PGST1 | \
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MEMSTICK_OVERWRITE_PGST0 | \
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MEMSTICK_OVERWRITE_BKST)
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#define MEMSTICK_OV_PG_NORMAL \
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(MEMSTICK_OVERWRITE_PGST1 | MEMSTICK_OVERWRITE_PGST0)
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#define MEMSTICK_MANAGEMENT_FLAG_NORMAL \
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(MEMSTICK_MANAGEMENT_SYSFLG | \
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MEMSTICK_MANAGEMENT_SCMS1 | \
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MEMSTICK_MANAGEMENT_SCMS0) \
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struct ms_boot_header {
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unsigned short block_id;
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unsigned short format_reserved;
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unsigned char reserved0[184];
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unsigned char data_entry;
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unsigned char reserved1[179];
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} __packed;
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struct ms_system_item {
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unsigned int start_addr;
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unsigned int data_size;
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unsigned char data_type_id;
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unsigned char reserved[3];
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} __packed;
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struct ms_system_entry {
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struct ms_system_item disabled_block;
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struct ms_system_item cis_idi;
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unsigned char reserved[24];
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} __packed;
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struct ms_boot_attr_info {
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unsigned char memorystick_class;
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unsigned char format_unique_value1;
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unsigned short block_size;
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unsigned short number_of_blocks;
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unsigned short number_of_effective_blocks;
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unsigned short page_size;
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unsigned char extra_data_size;
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unsigned char format_unique_value2;
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unsigned char assembly_time[8];
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unsigned char format_unique_value3;
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unsigned char serial_number[3];
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unsigned char assembly_manufacturer_code;
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unsigned char assembly_model_code[3];
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unsigned short memory_manufacturer_code;
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unsigned short memory_device_code;
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unsigned short implemented_capacity;
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unsigned char format_unique_value4[2];
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unsigned char vcc;
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unsigned char vpp;
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unsigned short controller_number;
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unsigned short controller_function;
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unsigned char reserved0[9];
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unsigned char transfer_supporting;
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unsigned short format_unique_value5;
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unsigned char format_type;
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unsigned char memorystick_application;
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unsigned char device_type;
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unsigned char reserved1[22];
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unsigned char format_uniqure_value6[2];
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unsigned char reserved2[15];
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} __packed;
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struct ms_cis_idi {
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unsigned short general_config;
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unsigned short logical_cylinders;
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unsigned short reserved0;
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unsigned short logical_heads;
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unsigned short track_size;
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unsigned short page_size;
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unsigned short pages_per_track;
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unsigned short msw;
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unsigned short lsw;
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unsigned short reserved1;
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unsigned char serial_number[20];
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unsigned short buffer_type;
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unsigned short buffer_size_increments;
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unsigned short long_command_ecc;
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unsigned char firmware_version[28];
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unsigned char model_name[18];
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unsigned short reserved2[5];
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unsigned short pio_mode_number;
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unsigned short dma_mode_number;
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unsigned short field_validity;
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unsigned short current_logical_cylinders;
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unsigned short current_logical_heads;
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unsigned short current_pages_per_track;
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unsigned int current_page_capacity;
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unsigned short mutiple_page_setting;
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unsigned int addressable_pages;
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unsigned short single_word_dma;
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unsigned short multi_word_dma;
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unsigned char reserved3[128];
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} __packed;
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struct ms_boot_page {
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struct ms_boot_header header;
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struct ms_system_entry entry;
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struct ms_boot_attr_info attr;
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} __packed;
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struct msb_data {
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unsigned int usage_count;
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struct memstick_dev *card;
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struct gendisk *disk;
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struct request_queue *queue;
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spinlock_t q_lock;
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struct hd_geometry geometry;
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struct attribute_group attr_group;
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struct request *req;
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int caps;
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int disk_id;
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/* IO */
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struct workqueue_struct *io_queue;
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bool io_queue_stopped;
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struct work_struct io_work;
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bool card_dead;
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/* Media properties */
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struct ms_boot_page *boot_page;
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u16 boot_block_locations[2];
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int boot_block_count;
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bool read_only;
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unsigned short page_size;
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int block_size;
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int pages_in_block;
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int zone_count;
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int block_count;
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int logical_block_count;
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/* FTL tables */
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unsigned long *used_blocks_bitmap;
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unsigned long *erased_blocks_bitmap;
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u16 *lba_to_pba_table;
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int free_block_count[MS_MAX_ZONES];
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bool ftl_initialized;
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/* Cache */
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unsigned char *cache;
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unsigned long valid_cache_bitmap;
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int cache_block_lba;
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bool need_flush_cache;
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struct timer_list cache_flush_timer;
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/* Preallocated buffers */
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unsigned char *block_buffer;
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struct scatterlist prealloc_sg[MS_BLOCK_MAX_SEGS+1];
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/* handler's local data */
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struct ms_register_addr reg_addr;
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bool addr_valid;
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u8 command_value;
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bool command_need_oob;
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struct scatterlist *current_sg;
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int current_sg_offset;
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struct ms_register regs;
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int current_page;
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int state;
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int exit_error;
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bool int_polling;
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unsigned long int_timeout;
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};
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enum msb_readpage_states {
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MSB_RP_SEND_BLOCK_ADDRESS = 0,
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MSB_RP_SEND_READ_COMMAND,
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MSB_RP_SEND_INT_REQ,
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MSB_RP_RECEIVE_INT_REQ_RESULT,
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MSB_RP_SEND_READ_STATUS_REG,
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MSB_RP_RECEIVE_STATUS_REG,
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MSB_RP_SEND_OOB_READ,
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MSB_RP_RECEIVE_OOB_READ,
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MSB_RP_SEND_READ_DATA,
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MSB_RP_RECEIVE_READ_DATA,
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};
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enum msb_write_block_states {
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MSB_WB_SEND_WRITE_PARAMS = 0,
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MSB_WB_SEND_WRITE_OOB,
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MSB_WB_SEND_WRITE_COMMAND,
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MSB_WB_SEND_INT_REQ,
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MSB_WB_RECEIVE_INT_REQ,
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MSB_WB_SEND_WRITE_DATA,
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MSB_WB_RECEIVE_WRITE_CONFIRMATION,
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};
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enum msb_send_command_states {
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MSB_SC_SEND_WRITE_PARAMS,
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MSB_SC_SEND_WRITE_OOB,
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MSB_SC_SEND_COMMAND,
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MSB_SC_SEND_INT_REQ,
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MSB_SC_RECEIVE_INT_REQ,
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};
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enum msb_reset_states {
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MSB_RS_SEND,
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MSB_RS_CONFIRM,
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};
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enum msb_par_switch_states {
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MSB_PS_SEND_SWITCH_COMMAND,
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MSB_PS_SWICH_HOST,
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MSB_PS_CONFIRM,
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};
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struct chs_entry {
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unsigned long size;
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unsigned char sec;
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unsigned short cyl;
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unsigned char head;
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};
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static int msb_reset(struct msb_data *msb, bool full);
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static int h_msb_default_bad(struct memstick_dev *card,
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struct memstick_request **mrq);
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#define __dbg(level, format, ...) \
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do { \
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if (debug >= level) \
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pr_err(format "\n", ## __VA_ARGS__); \
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} while (0)
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#define dbg(format, ...) __dbg(1, format, ## __VA_ARGS__)
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#define dbg_verbose(format, ...) __dbg(2, format, ## __VA_ARGS__)
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#endif
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