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2002-10-28 Eugeny S. Mints <Eugeny.Mints@oktet.ru>
* Added ATA support. * include/rtems/blkdev.h: Added last IO status. * include/rtems/ata.h, include/rtems/ata_internal.h, include/rtems/ide_part_table.h, src/ata.c, src/ide_part_table.c: New files.
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Joel Sherrill committed
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@@ -1,3 +1,11 @@
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2002-10-28 Eugeny S. Mints <Eugeny.Mints@oktet.ru>
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* Added ATA support.
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* include/rtems/blkdev.h: Added last IO status.
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* include/rtems/ata.h, include/rtems/ata_internal.h,
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include/rtems/ide_part_table.h, src/ata.c, src/ide_part_table.c: New
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files.
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2002-10-25 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
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* configure.ac: Add nostdinc to AM_INIT_AUTOMAKE.
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@@ -0,0 +1,55 @@
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/*
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* ata.h
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*
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* ATA RTEMS driver header file. This file should be included from an
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* application.
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*
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* Copyright (C) 2002 OKTET Ltd., St.-Petersburg, Russia
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* Author: Eugeny S. Mints <Eugeny.Mints@oktet.ru>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#ifndef __ATA_H__
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#define __ATA_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <rtems.h>
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#include <sys/ioctl.h>
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#include <rtems/blkdev.h>
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rtems_device_driver ata_initialize(
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rtems_device_major_number major,
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rtems_device_minor_number minor,
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void *args);
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#define ATA_DRIVER_TABLE_ENTRY \
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{ata_initialize, GENERIC_BLOCK_DEVICE_DRIVER_ENTRIES}
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/* ATA IOCTL request codes */
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#define ATAIO_SET_MULTIPLE_MODE _IO('A', 1)
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/*
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* ATA driver configuration parameters
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* FIXME: should be configured more easy...
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*/
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#define ATA_DRIVER_MESSAGE_QUEUE_SIZE 50
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#define ATA_DRIVER_TASK_PRIORITY 140
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#define ATA_DRIVER_TASK_STACK_SIZE 16*1024
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ATA_H__ */
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File diff suppressed because it is too large.
Load diff
@@ -62,6 +62,10 @@ typedef struct blkdev_request {
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blkdev_request_op req; /* Block device operation (read or write) */
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blkdev_request_cb req_done; /* Callback function */
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void *done_arg; /* Argument to be passed to callback function*/
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rtems_status_code status; /* Last I/O operation completion status */
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int error; /* If status != RTEMS_SUCCESSFUL, this field
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* contains error code
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*/
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blkdev_bnum start; /* Start block number */
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rtems_unsigned32 count; /* Number of blocks to be exchanged */
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rtems_unsigned32 bufnum; /* Number of buffers provided */
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@@ -0,0 +1,186 @@
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/*****************************************************************************
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*
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* ide_part_table.h
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*
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* The header file for library supporting "MS-DOS-style" partition table
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*
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*
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* Copyright (C) 2002 OKTET Ltd., St.-Petersburg, Russia
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*
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* Author: Konstantin Abramenko <Konstantin.Abramenko@oktet.ru>
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* Alexander Kukuta <Alexander.Kukuta@oktet.ru>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*
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*****************************************************************************/
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#ifndef __RTEMS_IDE_PART_TABLE_H__
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#define __RTEMS_IDE_PART_TABLE_H__
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#include <assert.h>
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#include <chain.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <rtems.h>
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#include <rtems/blkdev.h>
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#include <rtems/libio.h>
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#include <rtems/libio_.h>
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#include <rtems/bdbuf.h>
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#include <rtems/seterr.h>
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/* Minor base number for all logical devices */
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#define RTEMS_IDE_SECTOR_BITS 9
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#define RTEMS_IDE_SECTOR_SIZE 512
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#define RTEMS_IDE_PARTITION_DESCRIPTOR_SIZE 16
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#define RTEMS_IDE_PARTITION_MAX_PARTITION_NUMBER 63
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#define RTEMS_IDE_PARTITION_MAX_SUB_PARTITION_NUMBER 4
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#define RTEMS_IDE_PARTITION_DEV_NAME_LENGTH_MAX 16
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#define RTEMS_IDE_PARTITION_MSDOS_SIGNATURE_DATA1 0x55
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#define RTEMS_IDE_PARTITION_MSDOS_SIGNATURE_DATA2 0xaa
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#define RTEMS_IDE_PARTITION_MSDOS_SIGNATURE_OFFSET 0x1fe
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#define RTEMS_IDE_PARTITION_TABLE_OFFSET 0x1be
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#define RTEMS_IDE_PARTITION_BOOTABLE_OFFSET 0
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#define RTEMS_IDE_PARTITION_SYS_TYPE_OFFSET 4
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#define RTEMS_IDE_PARTITION_START_OFFSET 8
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#define RTEMS_IDE_PARTITION_SIZE_OFFSET 12
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/*
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* Conversion from and to little-endian byte order. (no-op on i386/i486)
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*/
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#if (CPU_BIG_ENDIAN == TRUE)
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# define LE_TO_CPU_U16(v) CPU_swap_u16(v)
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# define LE_TO_CPU_U32(v) CPU_swap_u32(v)
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# define CPU_TO_LE_U16(v) CPU_swap_u16(v)
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# define CPU_TO_LE_U32(v) CPU_swap_u32(v)
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#else
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# define LE_TO_CPU_U16(v) (v)
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# define LE_TO_CPU_U32(v) (v)
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# define CPU_TO_LE_U16(v) (v)
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# define CPU_TO_LE_U32(v) (v)
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#endif
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/*
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* sector_data_t --
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* corresponds to the sector on the device
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*/
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typedef struct sector_data_s
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{
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unsigned32 sector_num; /* sector number on the device */
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unsigned8 data[0]; /* raw sector data */
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} sector_data_t;
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/*
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* Enum partition types
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*/
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enum {
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EMPTY_PARTITION = 0,
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EXTENDED_PARTITION = 5,
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DM6_PARTITION = 0x54,
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EZD_PARTITION = 0x55,
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DM6_AUX1PARTITION = 0x51,
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DM6_AUX3PARTITION = 0x53,
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LINUX_SWAP = 0x82,
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LINUX_NATIVE = 0x83,
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LINUX_EXTENDED = 0x85
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};
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/* Forward declaration */
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struct disk_desc_s;
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/*
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* part_desc_t --
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* contains all neccessary information about partition
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*/
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typedef struct part_desc_s {
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unsigned8 bootable; /* is the partition active */
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unsigned8 sys_type; /* type of partition */
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unsigned8 log_id; /* logical number of partition */
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unsigned32 start; /* first partition sector, in absolute numeration */
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unsigned32 size; /* size in sectors */
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unsigned32 end; /* last partition sector, end = start + size - 1 */
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struct disk_desc_s *disk_desc; /* descriptor of disk, partition contains in */
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struct part_desc_s *ext_part; /* extended partition containing this one */
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/* partitions, containing in this one */
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struct part_desc_s *sub_part[RTEMS_IDE_PARTITION_MAX_SUB_PARTITION_NUMBER];
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} part_desc_t;
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typedef struct disk_desc_s {
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dev_t dev; /* device number */
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/* device name in /dev filesystem */
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unsigned8 dev_name[RTEMS_IDE_PARTITION_DEV_NAME_LENGTH_MAX];
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unsigned32 sector_size; /* size of sector */
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unsigned32 sector_bits; /* the base-2 logarithm of sector_size */
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unsigned32 lba_size; /* total amount of sectors in lba address mode */
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int last_log_id; /* used for logical disks enumerating */
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/* primary partition descriptors */
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part_desc_t *partitions[RTEMS_IDE_PARTITION_MAX_PARTITION_NUMBER];
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} disk_desc_t;
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/*
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* rtems_ide_part_table_free --
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* frees disk descriptor structure
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*
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* PARAMETERS:
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* disk_desc - disc descriptor structure to free
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*
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* RETURNS:
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* N/A
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*/
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void
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rtems_ide_part_table_free(disk_desc_t *disk_desc);
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/*
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* rtems_ide_part_table_get --
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* reads partition table structure from the device
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* and creates disk description structure
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*
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* PARAMETERS:
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* dev_name - path to physical device in /dev filesystem
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* disk_desc - returned disc description structure
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*
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* RETURNS:
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* RTEMS_SUCCESSFUL if success, or -1 and corresponding errno else
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*/
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rtems_status_code
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rtems_ide_part_table_get(const char *dev_name, disk_desc_t *disk_desc);
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/*
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* rtems_ide_part_table_initialize --
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* initializes logical devices on the physical IDE drive
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*
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* PARAMETERS:
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* dev_name - path to physical device in /dev filesystem
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*
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* RETURNS:
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* RTEMS_SUCCESSFUL if success, or -1 and corresponding errno else
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*/
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rtems_status_code
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rtems_ide_part_table_initialize(char *dev_name);
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#endif /* __RTEMS_IDE_PART_TABLE_H__ */
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File diff suppressed because it is too large.
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