989fb3947c
reports on those most welcome!
Fixed problems:
Hang on probe on "fantom" devices.
The probe now use a timeout to avoid hangs if no interrupt
is recevied.
There has also been more general code clenaups, and some reorgs.
204 lines
9.7 KiB
C
204 lines
9.7 KiB
C
/*-
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* Copyright (c) 1998,1999 Søren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: atapi-all.h,v 1.2 1999/03/03 21:10:29 sos Exp $
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*/
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/* ATAPI misc defines */
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#define ATAPI_MAGIC_LSB 0x14
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#define ATAPI_MAGIC_MSB 0xeb
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#define ATAPI_P_READ (ATA_S_DRQ | ATA_I_IN)
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#define ATAPI_P_WRITE (ATA_S_DRQ)
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#define ATAPI_P_CMDOUT (ATA_S_DRQ | ATA_I_CMD)
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#define ATAPI_P_ABORT 0
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#define ATAPI_P_DONE (ATA_I_IN | ATA_I_CMD)
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/* error register bits */
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#define ATAPI_E_ILI 0x01 /* illegal length indication */
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#define ATAPI_E_EOM 0x02 /* end of media detected */
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#define ATAPI_E_ABRT 0x04 /* command aborted */
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#define ATAPI_E_MCR 0x08 /* media change requested */
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#define ATAPI_SK_MASK 0xf0 /* sense key mask */
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#define ATAPI_SK_NO_SENSE 0x00 /* no specific sense key info */
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#define ATAPI_SK_RECOVERED_ERROR 0x10 /* command OK, data recovered */
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#define ATAPI_SK_NOT_READY 0x20 /* no access to drive */
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#define ATAPI_SK_MEDIUM_ERROR 0x30 /* non-recovered data error */
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#define ATAPI_SK_HARDWARE_ERROR 0x40 /* non-recoverable HW failure */
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#define ATAPI_SK_ILLEGAL_REQUEST 0x50 /* invalid command param(s) */
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#define ATAPI_SK_UNIT_ATTENTION 0x60 /* media changed */
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#define ATAPI_SK_DATA_PROTECT 0x70 /* reading read-protected sec */
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#define ATAPI_SK_BLANK_CHECK 0x80 /* blank check */
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#define ATAPI_SK_VENDOR_SPECIFIC 0x90 /* vendor specific skey */
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#define ATAPI_SK_COPY_ABORTED 0xa0 /* copy aborted */
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#define ATAPI_SK_ABORTED_COMMAND 0xb0 /* command aborted, try again */
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#define ATAPI_SK_EQUAL 0xc0 /* equal */
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#define ATAPI_SK_VOLUME_OVERFLOW 0xd0 /* volume overflow */
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#define ATAPI_SK_MISCOMPARE 0xe0 /* data dont match the medium */
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#define ATAPI_SK_RESERVED 0xf0
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/* ATAPI commands */
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#define ATAPI_TEST_UNIT_READY 0x00 /* check if device is ready */
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#define ATAPI_REZERO_UNIT 0x01 /* reinit device */
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#define ATAPI_REQUEST_SENSE 0x03 /* get sense data */
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#define ATAPI_START_STOP 0x1b /* start/stop the media */
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#define ATAPI_PREVENT_ALLOW 0x1e /* media removal */
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#define ATAPI_READ_CAPACITY 0x25 /* get volume capacity */
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#define ATAPI_READ_BIG 0x28 /* read data */
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#define ATAPI_WRITE_BIG 0x2a /* write data */
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#define ATAPI_SYNCHRONIZE_CACHE 0x35 /* flush buf, close channel */
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#define ATAPI_READ_SUBCHANNEL 0x42 /* get subchannel info */
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#define ATAPI_READ_TOC 0x43 /* get table of contents */
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#define ATAPI_PLAY_MSF 0x47 /* play by MSF address */
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#define ATAPI_PLAY_TRACK 0x48 /* play by track number */
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#define ATAPI_PAUSE 0x4b /* stop/start audio operation */
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#define ATAPI_READ_TRACK_INFO 0x52 /* get track info structure */
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#define ATAPI_MODE_SELECT 0x55 /* set device parameters */
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#define ATAPI_MODE_SENSE 0x5a /* get device parameters */
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#define ATAPI_CLOSE_TRACK 0x5b /* close track/session */
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#define ATAPI_BLANK 0xa1 /* blank (erase) media */
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#define ATAPI_PLAY_BIG 0xa5 /* play by lba */
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#define ATAPI_LOAD_UNLOAD 0xa6 /* changer control command */
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#define ATAPI_PLAY_CD 0xb4 /* universal play command */
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#define ATAPI_MECH_STATUS 0xbd /* get changer status */
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#define ATAPI_READ_CD 0xbe /* read data */
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/* ATAPI device parameter information */
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struct atapi_params {
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u_int8_t cmdsize :2; /* packet command size */
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#define ATAPI_PSIZE_12 0 /* 12 bytes */
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#define ATAPI_PSIZE_16 1 /* 16 bytes */
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u_int8_t :3;
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u_int8_t drqtype :2; /* DRQ type */
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#define ATAPI_DRQT_MPROC 0 /* cpu 3 ms delay */
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#define ATAPI_DRQT_INTR 1 /* intr 10 ms delay */
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#define ATAPI_DRQT_ACCEL 2 /* accel 50 us delay */
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u_int8_t removable :1; /* device is removable */
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u_int8_t device_type :5; /* device type */
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#define ATAPI_TYPE_DIRECT 0 /* disk/floppy */
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#define ATAPI_TYPE_TAPE 1 /* streaming tape */
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#define ATAPI_TYPE_CDROM 5 /* CD-ROM device */
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#define ATAPI_TYPE_OPTICAL 7 /* optical disk */
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u_int8_t :1;
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u_int8_t proto :2; /* command protocol */
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#define ATAPI_PROTO_ATAPI 2
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int16_t reserved1[9];
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int8_t serial[20]; /* serial number */
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int16_t reserved2[3];
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int8_t revision[8]; /* firmware revision */
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int8_t model[40]; /* model name */
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int16_t reserved3[2];
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u_int8_t vendor_cap; /* vendor capabilities */
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u_int8_t dmaflag :1; /* DMA supported */
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u_int8_t lbaflag :1; /* LBA supported - always 1 */
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u_int8_t iordydis :1; /* IORDY can be disabled */
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u_int8_t iordyflag :1; /* IORDY supported */
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u_int8_t :1;
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u_int8_t ovlapflag :1; /* overlap supported */
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u_int8_t :1;
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u_int8_t idmaflag :1; /* interleaved DMA supported */
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int16_t reserved4;
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u_int16_t pio_timing; /* PIO cycle timing */
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u_int16_t dma_timing; /* DMA cycle timing */
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u_int16_t flags;
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#define ATAPI_FLAG_54_58 1 /* words 54-58 valid */
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#define ATAPI_FLAG_64_70 2 /* words 64-70 valid */
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int16_t reserved5[8];
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u_int8_t swdma_flag; /* singleword DMA supported */
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u_int8_t swdma_active; /* singleword DMA active */
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u_int8_t mwdma_flag; /* multiword DMA supported */
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u_int8_t mwdma_active; /* multiword DMA active */
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u_int8_t apio_flag; /* advanced PIO supported */
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u_int8_t reserved6;
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u_int16_t mwdma_min; /* min. M/W DMA time/word ns */
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u_int16_t mwdma_dflt; /* rec. M/W DMA time ns */
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u_int16_t pio_nfctl_min; /* min. PIO cycle w/o flow */
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u_int16_t pio_iordy_min; /* min. PIO cycle IORDY flow */
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int16_t reserved7[2];
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u_int16_t rls_ovlap; /* rel time (us) for overlap */
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u_int16_t rls_service; /* rel time (us) for service */
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};
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/* ATAPI REQUEST SENSE structure */
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struct reqsense {
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u_int8_t error_code :7; /* current or deferred errors */
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u_int8_t valid :1; /* follows QIC-157C */
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u_int8_t reserved1; /* Segment number - reserved */
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u_int8_t sense_key :4; /* sense key */
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u_int8_t reserved2_4 :1; /* reserved */
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u_int8_t ili :1; /* incorrect length indicator */
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u_int8_t eom :1; /* end of medium */
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u_int8_t filemark :1; /* filemark */
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u_int8_t info __attribute__((packed)); /* cmd specific info */
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u_int8_t asl; /* additional sense length (n-7) */
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u_int8_t command_specific; /* additional cmd specific info */
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u_int8_t asc; /* additional sense code */
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u_int8_t ascq; /* additional sense code qualifier */
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u_int8_t replaceable_unit_code; /* field replaceable unit code */
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u_int8_t sk_specific1 :7; /* sense key specific */
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u_int8_t sksv :1; /* sense key specific info valid */
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u_int8_t sk_specific2; /* sense key specific */
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u_int8_t sk_specific3; /* sense key Specific */
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u_int8_t pad[2]; /* padding */
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};
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struct atapi_softc {
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struct ata_softc *controller; /* ptr to parent ctrl */
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struct atapi_params *atapi_parm; /* ata device params */
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int32_t unit; /* ATA_MASTER or ATA_SLAVE */
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u_int32_t flags; /* drive flags */
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};
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typedef void atapi_callback_t(struct atapi_request *);
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struct atapi_request {
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struct atapi_softc *device; /* ptr to parent device */
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void *driver; /* ptr to calling driver */
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u_int8_t ccb[16]; /* command control block */
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int32_t ccbsize; /* size of ccb (12 | 16) */
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int32_t flags;
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#define A_READ 0x0001
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u_int32_t bytecount; /* bytes to transfer */
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u_int32_t result; /* result code */
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int8_t *data; /* pointer to data buf */
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struct buf *bp; /* associated buf ptr */
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atapi_callback_t *callback; /* ptr to callback func */
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TAILQ_ENTRY(atapi_request) chain; /* list management */
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};
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void atapi_transfer(struct atapi_request *);
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int32_t atapi_interrupt(struct atapi_request *);
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int32_t atapi_queue_cmd(struct atapi_softc *, int8_t [], void *, int32_t, int32_t, atapi_callback_t, void *, struct buf *);
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void atapi_error(struct atapi_softc *, int32_t);
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void atapi_dump(int8_t *, void *, int32_t);
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