mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
190 lines
8.8 KiB
C
190 lines
8.8 KiB
C
/*-
|
|
* Copyright (c) 1998,1999,2000 Søren Schmidt
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer,
|
|
* without modification, immediately at the beginning of the file.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/* ATAPI misc defines */
|
|
#define ATAPI_MAGIC_LSB 0x14
|
|
#define ATAPI_MAGIC_MSB 0xeb
|
|
#define ATAPI_P_READ (ATA_S_DRQ | ATA_I_IN)
|
|
#define ATAPI_P_WRITE (ATA_S_DRQ)
|
|
#define ATAPI_P_CMDOUT (ATA_S_DRQ | ATA_I_CMD)
|
|
#define ATAPI_P_DONEDRQ (ATA_S_DRQ | ATA_I_CMD | ATA_I_IN)
|
|
#define ATAPI_P_DONE (ATA_I_CMD | ATA_I_IN)
|
|
#define ATAPI_P_ABORT 0
|
|
|
|
/* error register bits */
|
|
#define ATAPI_E_MASK 0x0f /* error mask */
|
|
#define ATAPI_E_ILI 0x01 /* illegal length indication */
|
|
#define ATAPI_E_EOM 0x02 /* end of media detected */
|
|
#define ATAPI_E_ABRT 0x04 /* command aborted */
|
|
#define ATAPI_E_MCR 0x08 /* media change requested */
|
|
#define ATAPI_SK_MASK 0xf0 /* sense key mask */
|
|
#define ATAPI_SK_NO_SENSE 0x00 /* no specific sense key info */
|
|
#define ATAPI_SK_RECOVERED_ERROR 0x10 /* command OK, data recovered */
|
|
#define ATAPI_SK_NOT_READY 0x20 /* no access to drive */
|
|
#define ATAPI_SK_MEDIUM_ERROR 0x30 /* non-recovered data error */
|
|
#define ATAPI_SK_HARDWARE_ERROR 0x40 /* non-recoverable HW failure */
|
|
#define ATAPI_SK_ILLEGAL_REQUEST 0x50 /* invalid command param(s) */
|
|
#define ATAPI_SK_UNIT_ATTENTION 0x60 /* media changed */
|
|
#define ATAPI_SK_DATA_PROTECT 0x70 /* write protect */
|
|
#define ATAPI_SK_BLANK_CHECK 0x80 /* blank check */
|
|
#define ATAPI_SK_VENDOR_SPECIFIC 0x90 /* vendor specific skey */
|
|
#define ATAPI_SK_COPY_ABORTED 0xa0 /* copy aborted */
|
|
#define ATAPI_SK_ABORTED_COMMAND 0xb0 /* command aborted, try again */
|
|
#define ATAPI_SK_EQUAL 0xc0 /* equal */
|
|
#define ATAPI_SK_VOLUME_OVERFLOW 0xd0 /* volume overflow */
|
|
#define ATAPI_SK_MISCOMPARE 0xe0 /* data dont match the medium */
|
|
#define ATAPI_SK_RESERVED 0xf0
|
|
|
|
/* ATAPI commands */
|
|
#define ATAPI_TEST_UNIT_READY 0x00 /* check if device is ready */
|
|
#define ATAPI_REWIND 0x01 /* rewind */
|
|
#define ATAPI_REQUEST_SENSE 0x03 /* get sense data */
|
|
#define ATAPI_FORMAT 0x04 /* format unit */
|
|
#define ATAPI_READ 0x08 /* read data */
|
|
#define ATAPI_WRITE 0x0a /* write data */
|
|
#define ATAPI_WEOF 0x10 /* write filemark */
|
|
#define WF_WRITE 0x01
|
|
#define ATAPI_SPACE 0x11 /* space command */
|
|
#define SP_FM 0x01
|
|
#define SP_EOD 0x03
|
|
#define ATAPI_MODE_SELECT 0x15 /* mode select */
|
|
#define ATAPI_ERASE 0x19 /* erase */
|
|
#define ATAPI_MODE_SENSE 0x1a /* mode sense */
|
|
#define ATAPI_START_STOP 0x1b /* start/stop unit */
|
|
#define SS_LOAD 0x01
|
|
#define SS_RETENSION 0x02
|
|
#define SS_EJECT 0x04
|
|
#define ATAPI_PREVENT_ALLOW 0x1e /* media removal */
|
|
#define ATAPI_READ_CAPACITY 0x25 /* get volume capacity */
|
|
#define ATAPI_READ_BIG 0x28 /* read data */
|
|
#define ATAPI_WRITE_BIG 0x2a /* write data */
|
|
#define ATAPI_LOCATE 0x2b /* locate to position */
|
|
#define ATAPI_READ_POSITION 0x34 /* read position */
|
|
#define ATAPI_SYNCHRONIZE_CACHE 0x35 /* flush buf, close channel */
|
|
#define ATAPI_WRITE_BUFFER 0x3b /* write device buffer */
|
|
#define ATAPI_READ_BUFFER 0x3c /* read device buffer */
|
|
#define ATAPI_READ_SUBCHANNEL 0x42 /* get subchannel info */
|
|
#define ATAPI_READ_TOC 0x43 /* get table of contents */
|
|
#define ATAPI_PLAY_MSF 0x47 /* play by MSF address */
|
|
#define ATAPI_PLAY_TRACK 0x48 /* play by track number */
|
|
#define ATAPI_PAUSE 0x4b /* pause audio operation */
|
|
#define ATAPI_READ_DISK_INFO 0x51 /* get disk info structure */
|
|
#define ATAPI_READ_TRACK_INFO 0x52 /* get track info structure */
|
|
#define ATAPI_RESERVE_TRACK 0x53 /* reserve track */
|
|
#define ATAPI_SEND_OPC_INFO 0x54 /* send OPC structurek */
|
|
#define ATAPI_MODE_SELECT_BIG 0x55 /* set device parameters */
|
|
#define ATAPI_REPAIR_TRACK 0x58 /* repair track */
|
|
#define ATAPI_READ_MASTER_CUE 0x59 /* read master CUE info */
|
|
#define ATAPI_MODE_SENSE_BIG 0x5a /* get device parameters */
|
|
#define ATAPI_CLOSE_TRACK 0x5b /* close track/session */
|
|
#define ATAPI_READ_BUFFER_CAPACITY 0x5c /* get buffer capicity */
|
|
#define ATAPI_SEND_CUE_SHEET 0x5d /* send CUE sheet */
|
|
#define ATAPI_BLANK 0xa1 /* blank the media */
|
|
#define ATAPI_SEND_KEY 0xa3 /* send DVD key structure */
|
|
#define ATAPI_REPORT_KEY 0xa4 /* get DVD key structure */
|
|
#define ATAPI_PLAY_BIG 0xa5 /* play by lba */
|
|
#define ATAPI_LOAD_UNLOAD 0xa6 /* changer control command */
|
|
#define ATAPI_READ_STRUCTURE 0xad /* get DVD structure */
|
|
#define ATAPI_PLAY_CD 0xb4 /* universal play command */
|
|
#define ATAPI_SET_SPEED 0xbb /* set drive speed */
|
|
#define ATAPI_MECH_STATUS 0xbd /* get changer status */
|
|
#define ATAPI_READ_CD 0xbe /* read data */
|
|
|
|
/* ATAPI request sense structure */
|
|
struct atapi_reqsense {
|
|
u_int8_t error_code :7; /* current or deferred errors */
|
|
u_int8_t valid :1; /* follows ATAPI spec */
|
|
u_int8_t segment; /* Segment number */
|
|
u_int8_t sense_key :4; /* sense key */
|
|
u_int8_t reserved2_4 :1; /* reserved */
|
|
u_int8_t ili :1; /* incorrect length indicator */
|
|
u_int8_t eom :1; /* end of medium */
|
|
u_int8_t filemark :1; /* filemark */
|
|
/* cmd information */
|
|
u_int32_t cmd_info __attribute__((packed));
|
|
u_int8_t sense_length; /* additional sense len (n-7) */
|
|
/* additional cmd spec info */
|
|
u_int32_t cmd_specific_info __attribute__((packed));
|
|
u_int8_t asc; /* additional sense code */
|
|
u_int8_t ascq; /* additional sense code qual */
|
|
u_int8_t replaceable_unit_code; /* replaceable unit code */
|
|
u_int8_t sk_specific1 :7; /* sense key specific */
|
|
u_int8_t sksv :1; /* sense key specific info OK */
|
|
u_int8_t sk_specific2; /* sense key specific */
|
|
u_int8_t sk_specific3; /* sense key specific */
|
|
};
|
|
|
|
struct atapi_softc {
|
|
struct ata_softc *controller; /* ptr to controller softc */
|
|
int32_t unit; /* ATA_MASTER or ATA_SLAVE */
|
|
void *driver; /* ptr to subdriver softc */
|
|
int8_t *devname; /* this devices name */
|
|
int8_t cmd; /* last cmd executed */
|
|
u_int32_t flags; /* drive flags */
|
|
#define ATAPI_F_DMA_USED 0x0001
|
|
#define ATAPI_F_DSC_USED 0x0002
|
|
#define ATAPI_F_MEDIA_CHANGED 0x0004
|
|
|
|
};
|
|
|
|
typedef int32_t atapi_callback_t(struct atapi_request *);
|
|
|
|
struct atapi_request {
|
|
struct atapi_softc *device; /* ptr to parent device */
|
|
u_int8_t ccb[16]; /* command control block */
|
|
int32_t ccbsize; /* size of ccb (12 | 16) */
|
|
u_int32_t bytecount; /* bytes to transfer */
|
|
int32_t timeout; /* timeout for this cmd */
|
|
struct callout_handle timeout_handle; /* handle for untimeout */
|
|
int32_t retries; /* retry count */
|
|
int32_t result; /* result of this cmd */
|
|
int32_t error; /* result translated to errno */
|
|
struct atapi_reqsense sense; /* sense data if error */
|
|
int32_t flags;
|
|
#define A_READ 0x0001
|
|
|
|
int8_t *data; /* pointer to data buf */
|
|
struct buf *bp; /* associated buf ptr */
|
|
atapi_callback_t *callback; /* ptr to callback func */
|
|
TAILQ_ENTRY(atapi_request) chain; /* list management */
|
|
};
|
|
|
|
void atapi_attach(struct ata_softc *, int32_t);
|
|
void atapi_detach(struct ata_softc *, int32_t);
|
|
void atapi_transfer(struct atapi_request *);
|
|
int32_t atapi_interrupt(struct atapi_request *);
|
|
int32_t atapi_queue_cmd(struct atapi_softc *, int8_t [], void *, int32_t, int32_t, int32_t, atapi_callback_t, void *, struct buf *);
|
|
void atapi_reinit(struct atapi_softc *);
|
|
int32_t atapi_test_ready(struct atapi_softc *);
|
|
int32_t atapi_wait_ready(struct atapi_softc *, int32_t);
|
|
void atapi_request_sense(struct atapi_softc *, struct atapi_reqsense *);
|
|
void atapi_dump(int8_t *, void *, int32_t);
|
|
|