linux-imx

/* SPDX-License-Identifier: GPL-2.0 */

/*

 *  $Header: /cvsroot/osst/Driver/osst.h,v 1.16 2005/01/01 21:13:35 wriede Exp $

 */

​

#include <asm/byteorder.h>

#include <linux/completion.h>

#include <linux/mutex.h>

​

/*  FIXME - rename and use the following two types or delete them!

 *              and the types really should go to st.h anyway...

 *  INQUIRY packet command - Data Format (From Table 6-8 of QIC-157C)

 */

typedef struct {

    unsigned    device_type :5; /* Peripheral Device Type */

    unsigned    reserved0_765   :3; /* Peripheral Qualifier - Reserved */

    unsigned    reserved1_6t0   :7; /* Reserved */

    unsigned    rmb     :1; /* Removable Medium Bit */

    unsigned    ansi_version    :3; /* ANSI Version */

    unsigned    ecma_version    :3; /* ECMA Version */

    unsigned    iso_version :2; /* ISO Version */

    unsigned    response_format :4; /* Response Data Format */

    unsigned    reserved3_45    :2; /* Reserved */

    unsigned    reserved3_6 :1; /* TrmIOP - Reserved */

    unsigned    reserved3_7 :1; /* AENC - Reserved */

    u8      additional_length;  /* Additional Length (total_length-4) */

    u8      rsv5, rsv6, rsv7;   /* Reserved */

    u8      vendor_id[8];       /* Vendor Identification */

    u8      product_id[16];     /* Product Identification */

    u8      revision_level[4];  /* Revision Level */

    u8      vendor_specific[20];    /* Vendor Specific - Optional */

    u8      reserved56t95[40];  /* Reserved - Optional */

                        /* Additional information may be returned */

} idetape_inquiry_result_t;

​

/*

 *  READ POSITION packet command - Data Format (From Table 6-57)

 */

typedef struct {

    unsigned    reserved0_10    :2; /* Reserved */

    unsigned    bpu     :1; /* Block Position Unknown */    

    unsigned    reserved0_543   :3; /* Reserved */

    unsigned    eop     :1; /* End Of Partition */

    unsigned    bop     :1; /* Beginning Of Partition */

    u8      partition;      /* Partition Number */

    u8      reserved2, reserved3;   /* Reserved */

    u32     first_block;        /* First Block Location */

    u32     last_block;     /* Last Block Location (Optional) */

    u8      reserved12;     /* Reserved */

    u8      blocks_in_buffer[3];    /* Blocks In Buffer - (Optional) */

    u32     bytes_in_buffer;    /* Bytes In Buffer (Optional) */

} idetape_read_position_result_t;

​

/*

 *      Follows structures which are related to the SELECT SENSE / MODE SENSE

 *      packet commands. 

 */

#define COMPRESSION_PAGE           0x0f

#define COMPRESSION_PAGE_LENGTH    16

​

#define CAPABILITIES_PAGE          0x2a

#define CAPABILITIES_PAGE_LENGTH   20

​

#define TAPE_PARAMTR_PAGE          0x2b

#define TAPE_PARAMTR_PAGE_LENGTH   16

​

#define NUMBER_RETRIES_PAGE        0x2f

#define NUMBER_RETRIES_PAGE_LENGTH 4

​

#define BLOCK_SIZE_PAGE            0x30

#define BLOCK_SIZE_PAGE_LENGTH     4

​

#define BUFFER_FILLING_PAGE        0x33

#define BUFFER_FILLING_PAGE_LENGTH 4

​

#define VENDOR_IDENT_PAGE          0x36

#define VENDOR_IDENT_PAGE_LENGTH   8

​

#define LOCATE_STATUS_PAGE         0x37

#define LOCATE_STATUS_PAGE_LENGTH  0

​

#define MODE_HEADER_LENGTH         4

​

​

/*

 *  REQUEST SENSE packet command result - Data Format.

 */

typedef struct {

    unsigned    error_code  :7; /* Current of deferred errors */

    unsigned    valid       :1; /* The information field conforms to QIC-157C */

    u8      reserved1   :8; /* Segment Number - Reserved */

    unsigned    sense_key   :4; /* Sense Key */