Change ST_Q_NEEDS_PAGE_0 to something more generic.
This commit is contained in:
mycroft
parent
872b3e89e0
commit
3e685aec5c
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@ -1,4 +1,4 @@
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/* $NetBSD: st.c,v 1.35 1994/06/29 06:43:19 cgd Exp $ */
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/* $NetBSD: st.c,v 1.36 1994/08/09 18:50:17 mycroft Exp $ */
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/*
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* Copyright (c) 1994 Charles Hannum. All rights reserved.
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@ -71,7 +71,6 @@
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#include <scsi/scsiconf.h>
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/* Defines for device specific stuff */
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#define PAGE_0_SENSE_DATA_SIZE 12
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#define DEF_FIXED_BSIZE 512
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#define ST_RETRIES 4 /* only on non IO commands */
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@ -98,11 +97,12 @@ struct rogues {
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char *model;
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char *version;
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u_int quirks; /* valid for all modes */
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u_int page_0_size;
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#define MAX_PAGE_0_SIZE 64
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struct modes modes[4];
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};
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/* define behaviour codes (quirks) */
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#define ST_Q_NEEDS_PAGE_0 0x00001
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#define ST_Q_FORCE_FIXED_MODE 0x00002
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#define ST_Q_FORCE_VAR_MODE 0x00004
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#define ST_Q_SENSE_HELP 0x00008 /* must do READ for good MODE SENSE */
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@ -112,7 +112,7 @@ struct rogues {
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static struct rogues gallery[] = /* ends with an all-null entry */
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{
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{"pre-scsi", " unknown model ", "????",
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0,
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0, 0,
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{
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{512, ST_Q_FORCE_FIXED_MODE, 0}, /* minor 0-3 */
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{512, ST_Q_FORCE_FIXED_MODE, QIC_24}, /* minor 4-7 */
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@ -121,7 +121,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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}
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},
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{"TANDBERG", " TDC 3600", "????",
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ST_Q_NEEDS_PAGE_0,
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0, 12,
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{
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{0, 0, 0}, /* minor 0-3 */
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{0, ST_Q_FORCE_VAR_MODE, QIC_525}, /* minor 4-7 */
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@ -134,7 +134,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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* hear otherwise. - mycroft, 31MAR1994
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*/
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{"ARCHIVE ", "VIPER 2525 25462", "????",
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0,
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0, 0,
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{
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{0, ST_Q_SENSE_HELP, 0}, /* minor 0-3 */
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{0, ST_Q_SENSE_HELP, QIC_525}, /* minor 4-7 */
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@ -147,7 +147,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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* needs more work. - mycroft, 09APR1994
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*/
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{"SANKYO ", "CP525", "????",
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0,
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0, 0,
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{
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{512, ST_Q_FORCE_FIXED_MODE, 0}, /* minor 0-3 */
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{512, ST_Q_FORCE_FIXED_MODE, QIC_525}, /* minor 4-7 */
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@ -156,7 +156,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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}
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},
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{"ARCHIVE ", "VIPER 150", "????",
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ST_Q_NEEDS_PAGE_0,
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0, 12,
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{
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{0, 0, 0}, /* minor 0-3 */
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{0, 0, QIC_150}, /* minor 4-7 */
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@ -165,7 +165,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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}
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},
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{"WANGTEK ", "5525ES SCSI REV7", "????",
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0,
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0, 0,
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{
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{0, 0, 0}, /* minor 0-3 */
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{0, ST_Q_BLKSIZ, QIC_525}, /* minor 4-7 */
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@ -174,7 +174,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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}
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},
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{"WangDAT ", "Model 1300", "????",
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0,
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0, 0,
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{
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{0, 0, 0}, /* minor 0-3 */
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{512, ST_Q_FORCE_FIXED_MODE, DDS}, /* minor 4-7 */
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@ -182,6 +182,17 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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{0, ST_Q_FORCE_VAR_MODE, DDS} /* minor 12-15 */
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}
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},
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#if 0
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{"EXABYTE ", "EXB-8200", "????",
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0, 5,
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{
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{0, 0, 0}, /* minor 0-3 */
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{0, 0, 0}, /* minor 4-7 */
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{0, 0, 0}, /* minor 8-11 */
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{0, 0, 0} /* minor 12-15 */
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}
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},
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#endif
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{0}
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};
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@ -195,6 +206,7 @@ struct st_data {
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u_int blksiz; /* blksiz we are using */
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u_int density; /* present density */
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u_int quirks; /* quirks for the open mode */
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u_int page_0_size; /* size of page 0 data */
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u_int last_dsty; /* last density openned */
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/*--------------------device/scsi parameters----------------------------------*/
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struct scsi_link *sc_link; /* our link to the adpter etc. */
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@ -216,10 +228,10 @@ struct st_data {
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#define BLKSIZE_SET_BY_USER 0x04
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#define BLKSIZE_SET_BY_QUIRK 0x08
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/*--------------------storage for sense data returned by the drive------------*/
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u_char sense_data[12]; /*
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* additional sense data needed
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* for mode sense/select.
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*/
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u_char sense_data[MAX_PAGE_0_SIZE]; /*
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* additional sense data needed
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* for mode sense/select.
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*/
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struct buf buf_queue; /* the queue of pending IO operations */
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struct scsi_xfer scsi_xfer; /* scsi xfer struct for this drive */
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u_int xfer_block_wait; /* is a process waiting? */
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@ -405,6 +417,7 @@ st_identify_drive(st)
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st->rogues = finger;
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st->drive_quirks = finger->quirks;
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st->quirks = finger->quirks; /* start value */
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st->page_0_size = finger->page_0_size;
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st_loadquirks(st);
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break;
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} else
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@ -1346,37 +1359,16 @@ st_mode_sense(st, flags)
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{
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u_int scsi_sense_len;
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int error;
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char *scsi_sense_ptr;
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struct scsi_mode_sense cmd;
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struct scsi_sense {
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struct scsi_mode_header header;
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struct blk_desc blk_desc;
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u_char sense_data[MAX_PAGE_0_SIZE];
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} scsi_sense;
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struct scsi_sense_page_0 {
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struct scsi_mode_header header;
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struct blk_desc blk_desc;
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u_char sense_data[PAGE_0_SENSE_DATA_SIZE];
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/* Tandberg tape drives returns page 00
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* with the sense data, whether or not
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* you want it (ie the don't like you
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* saying you want anything less!!!!!)
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* They also expect page 00
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* back when you issue a mode select
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*/
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} scsi_sense_page_0;
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struct scsi_link *sc_link = st->sc_link;
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/*
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* Define what sort of structure we're working with
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*/
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if (st->quirks & ST_Q_NEEDS_PAGE_0) {
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scsi_sense_len = sizeof(scsi_sense_page_0);
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scsi_sense_ptr = (char *) &scsi_sense_page_0;
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} else {
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scsi_sense_len = sizeof(scsi_sense);
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scsi_sense_ptr = (char *) &scsi_sense;
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}
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scsi_sense_len = 12 + st->page_0_size;
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/*
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* Set up a mode sense
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*/
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@ -1391,15 +1383,14 @@ st_mode_sense(st, flags)
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* store it away.
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*/
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if (error = scsi_scsi_cmd(sc_link, (struct scsi_generic *) &cmd,
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sizeof(cmd), (u_char *) scsi_sense_ptr, scsi_sense_len,
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sizeof(cmd), (u_char *) &scsi_sense, scsi_sense_len,
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ST_RETRIES, 5000, NULL, flags | SCSI_DATA_IN))
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return error;
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st->numblks = _3btol(((struct scsi_sense *)scsi_sense_ptr)->blk_desc.nblocks);
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st->media_blksiz = _3btol(((struct scsi_sense *)scsi_sense_ptr)->blk_desc.blklen);
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st->media_density = ((struct scsi_sense *) scsi_sense_ptr)->blk_desc.density;
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if (((struct scsi_sense *) scsi_sense_ptr)->header.dev_spec &
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SMH_DSP_WRITE_PROT)
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st->numblks = _3btol(scsi_sense.blk_desc.nblocks);
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st->media_blksiz = _3btol(scsi_sense.blk_desc.blklen);
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st->media_density = scsi_sense.blk_desc.density;
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if (scsi_sense.header.dev_spec & SMH_DSP_WRITE_PROT)
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st->flags |= ST_READONLY;
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SC_DEBUG(sc_link, SDEV_DB3,
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("density code 0x%x, %d-byte blocks, write-%s, ",
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@ -1407,12 +1398,9 @@ st_mode_sense(st, flags)
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st->flags & ST_READONLY ? "protected" : "enabled"));
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SC_DEBUG(sc_link, SDEV_DB3,
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("%sbuffered\n",
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((struct scsi_sense *) scsi_sense_ptr)->header.dev_spec &
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SMH_DSP_BUFF_MODE ? "" : "un"));
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if (st->quirks & ST_Q_NEEDS_PAGE_0)
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bcopy(((struct scsi_sense_page_0 *) scsi_sense_ptr)->sense_data,
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st->sense_data,
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sizeof(((struct scsi_sense_page_0 *) scsi_sense_ptr)->sense_data));
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scsi_sense.header.dev_spec & SMH_DSP_BUFF_MODE ? "" : "un"));
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if (st->page_0_size)
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bcopy(scsi_sense.sense_data, st->sense_data, st->page_0_size);
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sc_link->flags |= SDEV_MEDIA_LOADED;
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return 0;
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}
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@ -1426,56 +1414,40 @@ st_mode_select(st, flags)
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struct st_data *st;
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int flags;
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{
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u_int dat_len;
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char *dat_ptr;
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u_int scsi_select_len;
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int error;
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struct scsi_mode_select cmd;
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struct dat {
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struct scsi_select {
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struct scsi_mode_header header;
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struct blk_desc blk_desc;
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} dat;
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struct dat_page_0 {
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struct scsi_mode_header header;
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struct blk_desc blk_desc;
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u_char sense_data[PAGE_0_SENSE_DATA_SIZE];
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} dat_page_0;
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u_char sense_data[MAX_PAGE_0_SIZE];
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} scsi_select;
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struct scsi_link *sc_link = st->sc_link;
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scsi_select_len = 12 + st->page_0_size;
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/*
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* Define what sort of structure we're working with
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*/
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if (st->quirks & ST_Q_NEEDS_PAGE_0) {
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dat_len = sizeof(dat_page_0);
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dat_ptr = (char *) &dat_page_0;
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} else {
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dat_len = sizeof(dat);
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dat_ptr = (char *) &dat;
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}
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/*
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* Set up for a mode select
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*/
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bzero(&cmd, sizeof(cmd));
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cmd.op_code = MODE_SELECT;
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cmd.length = dat_len;
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cmd.length = scsi_select_len;
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bzero(dat_ptr, dat_len);
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((struct dat *) dat_ptr)->header.blk_desc_len = sizeof(struct blk_desc);
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((struct dat *) dat_ptr)->header.dev_spec |= SMH_DSP_BUFF_MODE_ON;
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((struct dat *) dat_ptr)->blk_desc.density = st->density;
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bzero(&scsi_select, scsi_select_len);
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scsi_select.header.blk_desc_len = sizeof(struct blk_desc);
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scsi_select.header.dev_spec |= SMH_DSP_BUFF_MODE_ON;
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scsi_select.blk_desc.density = st->density;
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if (st->flags & ST_FIXEDBLOCKS)
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lto3b(st->blksiz, ((struct dat *) dat_ptr)->blk_desc.blklen);
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if (st->quirks & ST_Q_NEEDS_PAGE_0) {
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bcopy(st->sense_data,
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((struct dat_page_0 *) dat_ptr)->sense_data,
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sizeof(((struct dat_page_0 *) dat_ptr)->sense_data));
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/* the Tandberg tapes need the block size to */
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/* be set on each mode sense/select. */
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}
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lto3b(st->blksiz, scsi_select.blk_desc.blklen);
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if (st->page_0_size)
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bcopy(st->sense_data, scsi_select.sense_data, st->page_0_size);
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/*
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* do the command
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*/
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return scsi_scsi_cmd(st->sc_link, (struct scsi_generic *) &cmd,
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sizeof(cmd), (u_char *) dat_ptr, dat_len, ST_RETRIES, 5000,
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NULL, flags | SCSI_DATA_OUT);
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return scsi_scsi_cmd(sc_link, (struct scsi_generic *) &cmd,
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sizeof(cmd), (u_char *) &scsi_select, scsi_select_len,
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ST_RETRIES, 5000, NULL, flags | SCSI_DATA_OUT);
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}
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/*
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142
sys/scsi/st.c
142
sys/scsi/st.c
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@ -1,4 +1,4 @@
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/* $NetBSD: st.c,v 1.35 1994/06/29 06:43:19 cgd Exp $ */
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/* $NetBSD: st.c,v 1.36 1994/08/09 18:50:17 mycroft Exp $ */
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/*
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* Copyright (c) 1994 Charles Hannum. All rights reserved.
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@ -71,7 +71,6 @@
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#include <scsi/scsiconf.h>
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/* Defines for device specific stuff */
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#define PAGE_0_SENSE_DATA_SIZE 12
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#define DEF_FIXED_BSIZE 512
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#define ST_RETRIES 4 /* only on non IO commands */
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@ -98,11 +97,12 @@ struct rogues {
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char *model;
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char *version;
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u_int quirks; /* valid for all modes */
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u_int page_0_size;
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#define MAX_PAGE_0_SIZE 64
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struct modes modes[4];
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};
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/* define behaviour codes (quirks) */
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#define ST_Q_NEEDS_PAGE_0 0x00001
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#define ST_Q_FORCE_FIXED_MODE 0x00002
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#define ST_Q_FORCE_VAR_MODE 0x00004
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#define ST_Q_SENSE_HELP 0x00008 /* must do READ for good MODE SENSE */
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@ -112,7 +112,7 @@ struct rogues {
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static struct rogues gallery[] = /* ends with an all-null entry */
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{
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{"pre-scsi", " unknown model ", "????",
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0,
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0, 0,
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{
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{512, ST_Q_FORCE_FIXED_MODE, 0}, /* minor 0-3 */
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{512, ST_Q_FORCE_FIXED_MODE, QIC_24}, /* minor 4-7 */
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@ -121,7 +121,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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}
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},
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{"TANDBERG", " TDC 3600", "????",
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ST_Q_NEEDS_PAGE_0,
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0, 12,
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{
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{0, 0, 0}, /* minor 0-3 */
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{0, ST_Q_FORCE_VAR_MODE, QIC_525}, /* minor 4-7 */
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@ -134,7 +134,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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* hear otherwise. - mycroft, 31MAR1994
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*/
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{"ARCHIVE ", "VIPER 2525 25462", "????",
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0,
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0, 0,
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{
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{0, ST_Q_SENSE_HELP, 0}, /* minor 0-3 */
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{0, ST_Q_SENSE_HELP, QIC_525}, /* minor 4-7 */
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@ -147,7 +147,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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* needs more work. - mycroft, 09APR1994
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*/
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{"SANKYO ", "CP525", "????",
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0,
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0, 0,
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{
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{512, ST_Q_FORCE_FIXED_MODE, 0}, /* minor 0-3 */
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{512, ST_Q_FORCE_FIXED_MODE, QIC_525}, /* minor 4-7 */
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@ -156,7 +156,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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}
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},
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{"ARCHIVE ", "VIPER 150", "????",
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ST_Q_NEEDS_PAGE_0,
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0, 12,
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{
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{0, 0, 0}, /* minor 0-3 */
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{0, 0, QIC_150}, /* minor 4-7 */
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@ -165,7 +165,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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}
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},
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{"WANGTEK ", "5525ES SCSI REV7", "????",
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0,
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0, 0,
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{
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{0, 0, 0}, /* minor 0-3 */
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{0, ST_Q_BLKSIZ, QIC_525}, /* minor 4-7 */
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@ -174,7 +174,7 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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}
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},
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{"WangDAT ", "Model 1300", "????",
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0,
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0, 0,
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{
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{0, 0, 0}, /* minor 0-3 */
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{512, ST_Q_FORCE_FIXED_MODE, DDS}, /* minor 4-7 */
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@ -182,6 +182,17 @@ static struct rogues gallery[] = /* ends with an all-null entry */
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{0, ST_Q_FORCE_VAR_MODE, DDS} /* minor 12-15 */
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}
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},
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#if 0
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{"EXABYTE ", "EXB-8200", "????",
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0, 5,
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{
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{0, 0, 0}, /* minor 0-3 */
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{0, 0, 0}, /* minor 4-7 */
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{0, 0, 0}, /* minor 8-11 */
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{0, 0, 0} /* minor 12-15 */
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}
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},
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||||
#endif
|
||||
{0}
|
||||
};
|
||||
|
||||
|
|
@ -195,6 +206,7 @@ struct st_data {
|
|||
u_int blksiz; /* blksiz we are using */
|
||||
u_int density; /* present density */
|
||||
u_int quirks; /* quirks for the open mode */
|
||||
u_int page_0_size; /* size of page 0 data */
|
||||
u_int last_dsty; /* last density openned */
|
||||
/*--------------------device/scsi parameters----------------------------------*/
|
||||
struct scsi_link *sc_link; /* our link to the adpter etc. */
|
||||
|
|
@ -216,10 +228,10 @@ struct st_data {
|
|||
#define BLKSIZE_SET_BY_USER 0x04
|
||||
#define BLKSIZE_SET_BY_QUIRK 0x08
|
||||
/*--------------------storage for sense data returned by the drive------------*/
|
||||
u_char sense_data[12]; /*
|
||||
* additional sense data needed
|
||||
* for mode sense/select.
|
||||
*/
|
||||
u_char sense_data[MAX_PAGE_0_SIZE]; /*
|
||||
* additional sense data needed
|
||||
* for mode sense/select.
|
||||
*/
|
||||
struct buf buf_queue; /* the queue of pending IO operations */
|
||||
struct scsi_xfer scsi_xfer; /* scsi xfer struct for this drive */
|
||||
u_int xfer_block_wait; /* is a process waiting? */
|
||||
|
|
@ -405,6 +417,7 @@ st_identify_drive(st)
|
|||
st->rogues = finger;
|
||||
st->drive_quirks = finger->quirks;
|
||||
st->quirks = finger->quirks; /* start value */
|
||||
st->page_0_size = finger->page_0_size;
|
||||
st_loadquirks(st);
|
||||
break;
|
||||
} else
|
||||
|
|
@ -1346,37 +1359,16 @@ st_mode_sense(st, flags)
|
|||
{
|
||||
u_int scsi_sense_len;
|
||||
int error;
|
||||
char *scsi_sense_ptr;
|
||||
struct scsi_mode_sense cmd;
|
||||
struct scsi_sense {
|
||||
struct scsi_mode_header header;
|
||||
struct blk_desc blk_desc;
|
||||
u_char sense_data[MAX_PAGE_0_SIZE];
|
||||
} scsi_sense;
|
||||
|
||||
struct scsi_sense_page_0 {
|
||||
struct scsi_mode_header header;
|
||||
struct blk_desc blk_desc;
|
||||
u_char sense_data[PAGE_0_SENSE_DATA_SIZE];
|
||||
/* Tandberg tape drives returns page 00
|
||||
* with the sense data, whether or not
|
||||
* you want it (ie the don't like you
|
||||
* saying you want anything less!!!!!)
|
||||
* They also expect page 00
|
||||
* back when you issue a mode select
|
||||
*/
|
||||
} scsi_sense_page_0;
|
||||
struct scsi_link *sc_link = st->sc_link;
|
||||
|
||||
/*
|
||||
* Define what sort of structure we're working with
|
||||
*/
|
||||
if (st->quirks & ST_Q_NEEDS_PAGE_0) {
|
||||
scsi_sense_len = sizeof(scsi_sense_page_0);
|
||||
scsi_sense_ptr = (char *) &scsi_sense_page_0;
|
||||
} else {
|
||||
scsi_sense_len = sizeof(scsi_sense);
|
||||
scsi_sense_ptr = (char *) &scsi_sense;
|
||||
}
|
||||
scsi_sense_len = 12 + st->page_0_size;
|
||||
|
||||
/*
|
||||
* Set up a mode sense
|
||||
*/
|
||||
|
|
@ -1391,15 +1383,14 @@ st_mode_sense(st, flags)
|
|||
* store it away.
|
||||
*/
|
||||
if (error = scsi_scsi_cmd(sc_link, (struct scsi_generic *) &cmd,
|
||||
sizeof(cmd), (u_char *) scsi_sense_ptr, scsi_sense_len,
|
||||
sizeof(cmd), (u_char *) &scsi_sense, scsi_sense_len,
|
||||
ST_RETRIES, 5000, NULL, flags | SCSI_DATA_IN))
|
||||
return error;
|
||||
|
||||
st->numblks = _3btol(((struct scsi_sense *)scsi_sense_ptr)->blk_desc.nblocks);
|
||||
st->media_blksiz = _3btol(((struct scsi_sense *)scsi_sense_ptr)->blk_desc.blklen);
|
||||
st->media_density = ((struct scsi_sense *) scsi_sense_ptr)->blk_desc.density;
|
||||
if (((struct scsi_sense *) scsi_sense_ptr)->header.dev_spec &
|
||||
SMH_DSP_WRITE_PROT)
|
||||
st->numblks = _3btol(scsi_sense.blk_desc.nblocks);
|
||||
st->media_blksiz = _3btol(scsi_sense.blk_desc.blklen);
|
||||
st->media_density = scsi_sense.blk_desc.density;
|
||||
if (scsi_sense.header.dev_spec & SMH_DSP_WRITE_PROT)
|
||||
st->flags |= ST_READONLY;
|
||||
SC_DEBUG(sc_link, SDEV_DB3,
|
||||
("density code 0x%x, %d-byte blocks, write-%s, ",
|
||||
|
|
@ -1407,12 +1398,9 @@ st_mode_sense(st, flags)
|
|||
st->flags & ST_READONLY ? "protected" : "enabled"));
|
||||
SC_DEBUG(sc_link, SDEV_DB3,
|
||||
("%sbuffered\n",
|
||||
((struct scsi_sense *) scsi_sense_ptr)->header.dev_spec &
|
||||
SMH_DSP_BUFF_MODE ? "" : "un"));
|
||||
if (st->quirks & ST_Q_NEEDS_PAGE_0)
|
||||
bcopy(((struct scsi_sense_page_0 *) scsi_sense_ptr)->sense_data,
|
||||
st->sense_data,
|
||||
sizeof(((struct scsi_sense_page_0 *) scsi_sense_ptr)->sense_data));
|
||||
scsi_sense.header.dev_spec & SMH_DSP_BUFF_MODE ? "" : "un"));
|
||||
if (st->page_0_size)
|
||||
bcopy(scsi_sense.sense_data, st->sense_data, st->page_0_size);
|
||||
sc_link->flags |= SDEV_MEDIA_LOADED;
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1426,56 +1414,40 @@ st_mode_select(st, flags)
|
|||
struct st_data *st;
|
||||
int flags;
|
||||
{
|
||||
u_int dat_len;
|
||||
char *dat_ptr;
|
||||
u_int scsi_select_len;
|
||||
int error;
|
||||
struct scsi_mode_select cmd;
|
||||
struct dat {
|
||||
struct scsi_select {
|
||||
struct scsi_mode_header header;
|
||||
struct blk_desc blk_desc;
|
||||
} dat;
|
||||
struct dat_page_0 {
|
||||
struct scsi_mode_header header;
|
||||
struct blk_desc blk_desc;
|
||||
u_char sense_data[PAGE_0_SENSE_DATA_SIZE];
|
||||
} dat_page_0;
|
||||
u_char sense_data[MAX_PAGE_0_SIZE];
|
||||
} scsi_select;
|
||||
struct scsi_link *sc_link = st->sc_link;
|
||||
|
||||
scsi_select_len = 12 + st->page_0_size;
|
||||
|
||||
/*
|
||||
* Define what sort of structure we're working with
|
||||
*/
|
||||
if (st->quirks & ST_Q_NEEDS_PAGE_0) {
|
||||
dat_len = sizeof(dat_page_0);
|
||||
dat_ptr = (char *) &dat_page_0;
|
||||
} else {
|
||||
dat_len = sizeof(dat);
|
||||
dat_ptr = (char *) &dat;
|
||||
}
|
||||
/*
|
||||
* Set up for a mode select
|
||||
*/
|
||||
bzero(&cmd, sizeof(cmd));
|
||||
cmd.op_code = MODE_SELECT;
|
||||
cmd.length = dat_len;
|
||||
cmd.length = scsi_select_len;
|
||||
|
||||
bzero(dat_ptr, dat_len);
|
||||
((struct dat *) dat_ptr)->header.blk_desc_len = sizeof(struct blk_desc);
|
||||
((struct dat *) dat_ptr)->header.dev_spec |= SMH_DSP_BUFF_MODE_ON;
|
||||
((struct dat *) dat_ptr)->blk_desc.density = st->density;
|
||||
bzero(&scsi_select, scsi_select_len);
|
||||
scsi_select.header.blk_desc_len = sizeof(struct blk_desc);
|
||||
scsi_select.header.dev_spec |= SMH_DSP_BUFF_MODE_ON;
|
||||
scsi_select.blk_desc.density = st->density;
|
||||
if (st->flags & ST_FIXEDBLOCKS)
|
||||
lto3b(st->blksiz, ((struct dat *) dat_ptr)->blk_desc.blklen);
|
||||
if (st->quirks & ST_Q_NEEDS_PAGE_0) {
|
||||
bcopy(st->sense_data,
|
||||
((struct dat_page_0 *) dat_ptr)->sense_data,
|
||||
sizeof(((struct dat_page_0 *) dat_ptr)->sense_data));
|
||||
/* the Tandberg tapes need the block size to */
|
||||
/* be set on each mode sense/select. */
|
||||
}
|
||||
lto3b(st->blksiz, scsi_select.blk_desc.blklen);
|
||||
if (st->page_0_size)
|
||||
bcopy(st->sense_data, scsi_select.sense_data, st->page_0_size);
|
||||
|
||||
/*
|
||||
* do the command
|
||||
*/
|
||||
return scsi_scsi_cmd(st->sc_link, (struct scsi_generic *) &cmd,
|
||||
sizeof(cmd), (u_char *) dat_ptr, dat_len, ST_RETRIES, 5000,
|
||||
NULL, flags | SCSI_DATA_OUT);
|
||||
return scsi_scsi_cmd(sc_link, (struct scsi_generic *) &cmd,
|
||||
sizeof(cmd), (u_char *) &scsi_select, scsi_select_len,
|
||||
ST_RETRIES, 5000, NULL, flags | SCSI_DATA_OUT);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
|
|||
Loading…
Reference in New Issue