785 lines
23 KiB
C
785 lines
23 KiB
C
/*-
|
|
* Copyright (c) 1998 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include "wdc.h"
|
|
#include "wst.h"
|
|
#include "opt_ddb.h"
|
|
|
|
#if NWST > 0 && NWDC > 0
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/buf.h>
|
|
#include <sys/mtio.h>
|
|
#include <machine/clock.h>
|
|
#include <i386/isa/atapi.h>
|
|
|
|
static d_open_t wstopen;
|
|
static d_close_t wstclose;
|
|
static d_ioctl_t wstioctl;
|
|
static d_strategy_t wststrategy;
|
|
|
|
#define CDEV_MAJOR 90
|
|
|
|
static struct cdevsw wst_cdevsw = {
|
|
/* open */ wstopen,
|
|
/* close */ wstclose,
|
|
/* read */ physread,
|
|
/* write */ physwrite,
|
|
/* ioctl */ wstioctl,
|
|
/* stop */ nostop,
|
|
/* reset */ noreset,
|
|
/* devtotty */ nodevtotty,
|
|
/* poll */ nopoll,
|
|
/* mmap */ nommap,
|
|
/* strategy */ wststrategy,
|
|
/* name */ "wst",
|
|
/* parms */ noparms,
|
|
/* maj */ CDEV_MAJOR,
|
|
/* dump */ nodump,
|
|
/* psize */ nopsize,
|
|
/* flags */ 0,
|
|
/* maxio */ 0,
|
|
/* bmaj */ -1
|
|
};
|
|
|
|
static unsigned int wst_total = 0;
|
|
|
|
#define NUNIT (NWDC*2)
|
|
#define UNIT(d) ((minor(d) >> 3) & 3)
|
|
|
|
#define WST_OPEN 0x0001 /* The device is opened */
|
|
#define WST_MEDIA_CHANGED 0x0002 /* The media have changed */
|
|
#define WST_DATA_WRITTEN 0x0004 /* Data has been written */
|
|
#define WST_FM_WRITTEN 0x0008 /* Filemark has been written */
|
|
#define WST_DEBUG 0x0010 /* Print debug info */
|
|
#define WST_CTL_WARN 0x0020 /* Have we warned about CTL wrong? */
|
|
|
|
/* ATAPI tape commands not in std ATAPI command set */
|
|
#define ATAPI_TAPE_REWIND 0x01
|
|
#define ATAPI_TAPE_REQUEST_SENSE 0x03
|
|
#define ATAPI_TAPE_READ_CMD 0x08
|
|
#define ATAPI_TAPE_WRITE_CMD 0x0a
|
|
#define ATAPI_TAPE_WEOF 0x10
|
|
#define WEOF_WRITE_MASK 0x01
|
|
#define ATAPI_TAPE_SPACE_CMD 0x11
|
|
#define SP_FM 0x01
|
|
#define SP_EOD 0x03
|
|
#define ATAPI_TAPE_ERASE 0x19
|
|
#define ATAPI_TAPE_MODE_SENSE 0x1a
|
|
#define ATAPI_TAPE_LOAD_UNLOAD 0x1b
|
|
#define LU_LOAD_MASK 0x01
|
|
#define LU_RETENSION_MASK 0x02
|
|
#define LU_EOT_MASK 0x04
|
|
|
|
#define DSC_POLL_INTERVAL 10
|
|
|
|
/*
|
|
* MODE SENSE parameter header
|
|
*/
|
|
struct wst_header {
|
|
u_char data_length; /* Total length of data */
|
|
u_char medium_type; /* Medium type (if any) */
|
|
u_char dsp; /* Device specific parameter */
|
|
u_char bdl; /* Block Descriptor Length */
|
|
};
|
|
|
|
/*
|
|
* ATAPI tape drive Capabilities and Mechanical Status Page
|
|
*/
|
|
#define ATAPI_TAPE_CAP_PAGE 0x2a
|
|
|
|
struct wst_cappage {
|
|
u_int page_code :6; /* Page code == 0x2a */
|
|
u_int reserved1_67 :2;
|
|
u_char page_length; /* Page Length == 0x12 */
|
|
u_char reserved2;
|
|
u_char reserved3;
|
|
u_int readonly :1; /* Read Only Mode */
|
|
u_int reserved4_1234 :4;
|
|
u_int reverse :1; /* Supports reverse direction */
|
|
u_int reserved4_67 :2;
|
|
u_int reserved5_012 :3;
|
|
u_int eformat :1; /* Supports ERASE formatting */
|
|
u_int reserved5_4 :1;
|
|
u_int qfa :1; /* Supports QFA formats */
|
|
u_int reserved5_67 :2;
|
|
u_int lock :1; /* Supports locking media */
|
|
u_int locked :1; /* The media is locked */
|
|
u_int prevent :1; /* Defaults to prevent state */
|
|
u_int eject :1; /* Supports eject */
|
|
u_int disconnect :1; /* Can break request > ctl */
|
|
u_int reserved6_5 :1;
|
|
u_int ecc :1; /* Supports error correction */
|
|
u_int compress :1; /* Supports data compression */
|
|
u_int reserved7_0 :1;
|
|
u_int blk512 :1; /* Supports 512b block size */
|
|
u_int blk1024 :1; /* Supports 1024b block size */
|
|
u_int reserved7_3456 :4;
|
|
u_int slowb :1; /* Restricts byte count */
|
|
u_short max_speed; /* Supported speed in KBps */
|
|
u_short max_defects; /* Max stored defect entries */
|
|
u_short ctl; /* Continuous Transfer Limit */
|
|
u_short speed; /* Current Speed, in KBps */
|
|
u_short buffer_size; /* Buffer Size, in 512 bytes */
|
|
u_char reserved18;
|
|
u_char reserved19;
|
|
};
|
|
|
|
/*
|
|
* REQUEST SENSE structure
|
|
*/
|
|
struct wst_reqsense {
|
|
u_int error_code :7; /* Current or deferred errors */
|
|
u_int valid :1; /* Follows QIC-157C */
|
|
u_char reserved1; /* Segment Number - Reserved */
|
|
u_int sense_key :4; /* Sense Key */
|
|
u_int reserved2_4 :1; /* Reserved */
|
|
u_int ili :1; /* Incorrect Length Indicator */
|
|
u_int eom :1; /* End Of Medium */
|
|
u_int filemark :1; /* Filemark */
|
|
u_int info __attribute__((packed)); /* Cmd specific info */
|
|
u_char asl; /* Additional sense length (n-7) */
|
|
u_int command_specific; /* Additional cmd specific info */
|
|
u_char asc; /* Additional Sense Code */
|
|
u_char ascq; /* Additional Sense Code Qualifier */
|
|
u_char replaceable_unit_code; /* Field Replaceable Unit Code */
|
|
u_int sk_specific1 :7; /* Sense Key Specific */
|
|
u_int sksv :1; /* Sense Key Specific info valid */
|
|
u_char sk_specific2; /* Sense Key Specific */
|
|
u_char sk_specific3; /* Sense Key Specific */
|
|
u_char pad[2]; /* Padding */
|
|
};
|
|
|
|
struct wst {
|
|
struct atapi *ata; /* Controller structure */
|
|
int unit; /* IDE bus drive unit */
|
|
int lun; /* Logical device unit */
|
|
int flags; /* Device state flags */
|
|
int blksize; /* Block size (512 | 1024) */
|
|
struct buf_queue_head buf_queue; /* Queue of i/o requests */
|
|
struct atapi_params *param; /* Drive parameters table */
|
|
struct wst_header header; /* MODE SENSE param header */
|
|
struct wst_cappage cap; /* Capabilities page info */
|
|
};
|
|
|
|
static struct wst *wsttab[NUNIT]; /* Drive info by unit number */
|
|
static int wstnlun = 0; /* Number of config'd drives */
|
|
|
|
int wstattach(struct atapi *ata, int unit, struct atapi_params *ap, int debug);
|
|
static int wst_sense(struct wst *t);
|
|
static void wst_describe(struct wst *t);
|
|
static void wst_poll_dsc(struct wst *t);
|
|
static void wst_start(struct wst *t);
|
|
static void wst_done(struct wst *t, struct buf *bp, int resid, struct atapires result);
|
|
static int wst_error(struct wst *t, struct atapires result);
|
|
static void wst_drvinit(void *unused);
|
|
static int wst_space_cmd(struct wst *t, u_char function, u_int count);
|
|
static int wst_write_filemark(struct wst *t, u_char function);
|
|
static int wst_erase(struct wst *t);
|
|
static int wst_load_unload(struct wst *t, u_char finction);
|
|
static int wst_rewind(struct wst *t);
|
|
static void wst_reset(struct wst *t);
|
|
|
|
#ifdef DDB
|
|
void wst_dump(int lun, char *label, void *data, int len);
|
|
|
|
void
|
|
wst_dump(int lun, char *label, void *data, int len)
|
|
{
|
|
u_char *p = data;
|
|
|
|
printf("wst%d: %s %x", lun, label, *p++);
|
|
while(--len > 0)
|
|
printf("-%x", *p++);
|
|
printf("\n");
|
|
}
|
|
#endif
|
|
|
|
int
|
|
wstattach(struct atapi *ata, int unit, struct atapi_params *ap, int debug)
|
|
{
|
|
struct wst *t;
|
|
int lun;
|
|
|
|
if (wstnlun >= NUNIT) {
|
|
printf("wst: too many units\n");
|
|
return(-1);
|
|
}
|
|
if (!atapi_request_immediate) {
|
|
printf("wst: configuration error, ATAPI core code not present!\n");
|
|
printf(
|
|
"wst: check `options ATAPI_STATIC' in your kernel config file!\n");
|
|
return(-1);
|
|
}
|
|
t = malloc(sizeof(struct wst), M_TEMP, M_NOWAIT);
|
|
if (!t) {
|
|
printf("wst: out of memory\n");
|
|
return(-1);
|
|
}
|
|
wsttab[wstnlun] = t;
|
|
bzero(t, sizeof(struct wst));
|
|
bufq_init(&t->buf_queue);
|
|
t->ata = ata;
|
|
t->unit = unit;
|
|
t->ata->use_dsc = 1;
|
|
lun = t->lun = wstnlun;
|
|
t->param = ap;
|
|
t->flags = WST_MEDIA_CHANGED | WST_DEBUG;
|
|
|
|
if (wst_sense(t))
|
|
return -1;
|
|
|
|
wst_describe(t);
|
|
wstnlun++;
|
|
|
|
make_dev(&wst_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0640, "rwst%d", t->lun);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
wst_sense(struct wst *t)
|
|
{
|
|
struct atapires result;
|
|
int count;
|
|
char buffer[255];
|
|
|
|
/* Get drive capabilities, some drives needs this repeated */
|
|
for (count = 0 ; count < 5 ; count++) {
|
|
result = atapi_request_immediate(t->ata, t->unit,
|
|
ATAPI_TAPE_MODE_SENSE,
|
|
8, /* DBD = 1 no block descr */
|
|
ATAPI_TAPE_CAP_PAGE,
|
|
sizeof(buffer)>>8, sizeof(buffer),
|
|
0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, buffer, sizeof(buffer));
|
|
if (result.code == 0 || result.code == RES_UNDERRUN)
|
|
break;
|
|
}
|
|
|
|
/* Some drives have shorter capabilities page. */
|
|
if (result.code == RES_UNDERRUN)
|
|
result.code = 0;
|
|
|
|
if (result.code == 0) {
|
|
bcopy(buffer, &t->header, sizeof(struct wst_header));
|
|
bcopy(buffer+sizeof(struct wst_header),
|
|
&t->cap, sizeof(struct wst_cappage));
|
|
if (t->cap.page_code != ATAPI_TAPE_CAP_PAGE)
|
|
return 1;
|
|
t->cap.max_speed = ntohs(t->cap.max_speed);
|
|
t->cap.max_defects = ntohs(t->cap.max_defects);
|
|
t->cap.ctl = ntohs(t->cap.ctl);
|
|
t->cap.speed = ntohs(t->cap.speed);
|
|
t->cap.buffer_size = ntohs(t->cap.buffer_size);
|
|
t->blksize = (t->cap.blk512 ? 512 : (t->cap.blk1024 ? 1024 : 0));
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
wst_describe(struct wst *t)
|
|
{
|
|
printf("wst%d: ", t->lun);
|
|
switch (t->header.medium_type) {
|
|
case 0x00: printf("Drive empty"); break;
|
|
case 0x17: printf("Travan 1 (400 Mbyte) media"); break;
|
|
case 0xb6: printf("Travan 4 (4 Gbyte) media"); break;
|
|
default: printf("Unknown media (0x%x)", t->header.medium_type);
|
|
}
|
|
if (t->cap.readonly) printf(", readonly");
|
|
if (t->cap.reverse) printf(", reverse");
|
|
if (t->cap.eformat) printf(", eformat");
|
|
if (t->cap.qfa) printf(", qfa");
|
|
if (t->cap.lock) printf(", lock");
|
|
if (t->cap.locked) printf(", locked");
|
|
if (t->cap.prevent) printf(", prevent");
|
|
if (t->cap.eject) printf(", eject");
|
|
if (t->cap.disconnect) printf(", disconnect");
|
|
if (t->cap.ecc) printf(", ecc");
|
|
if (t->cap.compress) printf(", compress");
|
|
if (t->cap.blk512) printf(", 512b");
|
|
if (t->cap.blk1024) printf(", 1024b");
|
|
if (t->cap.slowb) printf(", slowb");
|
|
printf("\nwst%d: ", t->lun);
|
|
printf("Max speed=%dKb/s, ", t->cap.max_speed);
|
|
printf("Transfer limit=%d blocks, ", t->cap.ctl);
|
|
printf("Buffer size=%d blocks", t->cap.buffer_size);
|
|
printf("\n");
|
|
}
|
|
|
|
int
|
|
wstopen(dev_t dev, int flags, int fmt, struct proc *p)
|
|
{
|
|
int lun = UNIT(dev);
|
|
struct wst *t;
|
|
|
|
/* Check that the device number and that the ATAPI driver is loaded. */
|
|
if (lun >= wstnlun || !atapi_request_immediate) {
|
|
printf("ENXIO lun=%d, wstnlun=%d, im=%p\n",
|
|
lun, wstnlun, (void *)atapi_request_immediate);
|
|
return(ENXIO);
|
|
}
|
|
t = wsttab[lun];
|
|
if (t->flags == WST_OPEN)
|
|
return EBUSY;
|
|
if (wst_sense(t))
|
|
printf("wst%d: Sense media type failed\n", t->lun);
|
|
t->flags &= ~WST_MEDIA_CHANGED;
|
|
t->flags &= ~(WST_DATA_WRITTEN | WST_FM_WRITTEN);
|
|
t->flags |= WST_OPEN;
|
|
return(0);
|
|
}
|
|
|
|
int
|
|
wstclose(dev_t dev, int flags, int fmt, struct proc *p)
|
|
{
|
|
int lun = UNIT(dev);
|
|
struct wst *t = wsttab[lun];
|
|
|
|
/* Flush buffers, some drives fail here, but they should report ctl = 0 */
|
|
if (t->cap.ctl && (t->flags & WST_DATA_WRITTEN))
|
|
wst_write_filemark(t, 0);
|
|
|
|
/* Write filemark if data written to tape */
|
|
if ((t->flags & (WST_DATA_WRITTEN | WST_FM_WRITTEN)) == WST_DATA_WRITTEN)
|
|
wst_write_filemark(t, WEOF_WRITE_MASK);
|
|
|
|
/* If minor is even rewind on close */
|
|
if (!(minor(dev) & 0x01))
|
|
wst_rewind(t);
|
|
|
|
t->flags &= ~WST_OPEN;
|
|
if (t->flags & WST_DEBUG)
|
|
printf("wst%d: %ud total bytes transferred\n", t->lun, wst_total);
|
|
t->flags &= ~WST_CTL_WARN;
|
|
return(0);
|
|
}
|
|
|
|
void
|
|
wststrategy(struct buf *bp)
|
|
{
|
|
int lun = UNIT(bp->b_dev);
|
|
struct wst *t = wsttab[lun];
|
|
int x;
|
|
|
|
/* If it's a null transfer, return immediatly. */
|
|
if (bp->b_bcount == 0) {
|
|
bp->b_resid = 0;
|
|
biodone(bp);
|
|
return;
|
|
}
|
|
|
|
/* Check for != blocksize requests */
|
|
if (bp->b_bcount % t->blksize) {
|
|
printf("wst%d: bad request, must be multiple of %d\n", lun, t->blksize);
|
|
bp->b_error = EIO;
|
|
bp->b_flags |= B_ERROR;
|
|
biodone(bp);
|
|
return;
|
|
}
|
|
|
|
if (bp->b_bcount > t->blksize*t->cap.ctl) {
|
|
if ((t->flags & WST_CTL_WARN) == 0) {
|
|
printf("wst%d: WARNING: CTL exceeded %ld>%d\n",
|
|
lun, bp->b_bcount, t->blksize*t->cap.ctl);
|
|
t->flags |= WST_CTL_WARN;
|
|
}
|
|
}
|
|
|
|
x = splbio();
|
|
wst_total += bp->b_bcount;
|
|
bufq_insert_tail(&t->buf_queue, bp);
|
|
wst_start(t);
|
|
splx(x);
|
|
}
|
|
|
|
static void
|
|
wst_poll_dsc(struct wst *t)
|
|
{
|
|
/* We should use a final timeout here SOS XXX */
|
|
if (!(inb(t->ata->port + AR_STATUS) & ARS_DSC)) {
|
|
timeout((timeout_t*)wst_poll_dsc, t, DSC_POLL_INTERVAL);
|
|
return;
|
|
}
|
|
t->ata->wait_for_dsc = 0;
|
|
wakeup((caddr_t)t);
|
|
}
|
|
|
|
static void
|
|
wst_start(struct wst *t)
|
|
{
|
|
struct buf *bp = bufq_first(&t->buf_queue);
|
|
u_long blk_count;
|
|
u_char op_code;
|
|
long byte_count;
|
|
|
|
if (!bp)
|
|
return;
|
|
|
|
if (t->ata->wait_for_dsc)
|
|
printf("wst%d: ERROR! allready waiting for DSC\n", t->lun);
|
|
|
|
/* Sleep waiting for a ready drive (DSC) */
|
|
if (t->ata->use_dsc && !(inb(t->ata->port + AR_STATUS) & ARS_DSC)) {
|
|
t->ata->wait_for_dsc = 1;
|
|
timeout((timeout_t*)wst_poll_dsc, t, DSC_POLL_INTERVAL);
|
|
tsleep((caddr_t) t, 0, "wstdsc", 0);
|
|
}
|
|
|
|
bufq_remove(&t->buf_queue, bp);
|
|
blk_count = bp->b_bcount / t->blksize;
|
|
|
|
if (bp->b_flags & B_READ) {
|
|
op_code = ATAPI_TAPE_READ_CMD;
|
|
byte_count = bp->b_bcount;
|
|
} else {
|
|
op_code = ATAPI_TAPE_WRITE_CMD;
|
|
t->flags |= WST_DATA_WRITTEN;
|
|
byte_count = -bp->b_bcount;
|
|
}
|
|
|
|
atapi_request_callback(t->ata, t->unit, op_code, 1,
|
|
blk_count>>16, blk_count>>8, blk_count,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
(u_char*) bp->b_data, byte_count,
|
|
(void*)wst_done, t, bp);
|
|
}
|
|
|
|
static void
|
|
wst_done(struct wst *t, struct buf *bp, int resid,
|
|
struct atapires result)
|
|
{
|
|
if (result.code) {
|
|
printf("wst_done: ");
|
|
wst_error(t, result);
|
|
bp->b_error = EIO;
|
|
bp->b_flags |= B_ERROR;
|
|
}
|
|
else
|
|
bp->b_resid = resid;
|
|
|
|
biodone(bp);
|
|
/*wst_start(t);*/
|
|
}
|
|
|
|
static int
|
|
wst_error(struct wst *t, struct atapires result)
|
|
{
|
|
struct wst_reqsense sense;
|
|
|
|
if (result.code != RES_ERR) {
|
|
printf("wst%d: ERROR code=%d, status=%b, error=%b\n", t->lun,
|
|
result.code, result.status, ARS_BITS, result.error, AER_BITS);
|
|
return 1;
|
|
}
|
|
|
|
if ((result.error & AER_SKEY) && (result.status & ARS_CHECK)) {
|
|
atapi_request_immediate(t->ata, t->unit,
|
|
ATAPI_TAPE_REQUEST_SENSE,
|
|
0, 0, 0, sizeof(sense),
|
|
0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, (char*) &sense, sizeof(struct wst_reqsense));
|
|
/*wst_dump(t->lun, "req_sense", &sense, sizeof(struct wst_reqsense));*/
|
|
}
|
|
switch (result.error & AER_SKEY) {
|
|
case AER_SK_NOT_READY:
|
|
if (result.error & ~AER_SKEY) {
|
|
if (t->flags & WST_DEBUG)
|
|
printf("wst%d: not ready\n", t->lun);
|
|
break;
|
|
}
|
|
if (!(t->flags & WST_MEDIA_CHANGED))
|
|
if (t->flags & WST_DEBUG)
|
|
printf("wst%d: no media\n", t->lun);
|
|
t->flags |= WST_MEDIA_CHANGED;
|
|
break;
|
|
|
|
case AER_SK_BLANK_CHECK:
|
|
if (t->flags & WST_DEBUG)
|
|
printf("wst%d: EOD encountered\n", t->lun);
|
|
break;
|
|
|
|
case AER_SK_MEDIUM_ERROR:
|
|
if (t->flags & WST_DEBUG)
|
|
printf("wst%d: nonrecovered data error\n", t->lun);
|
|
break;
|
|
|
|
case AER_SK_HARDWARE_ERROR:
|
|
if (t->flags & WST_DEBUG)
|
|
printf("wst%d: nonrecovered hardware error\n", t->lun);
|
|
break;
|
|
|
|
case AER_SK_ILLEGAL_REQUEST:
|
|
if (t->flags & WST_DEBUG)
|
|
printf("wst%d: invalid command\n", t->lun);
|
|
break;
|
|
|
|
case AER_SK_UNIT_ATTENTION:
|
|
if (!(t->flags & WST_MEDIA_CHANGED))
|
|
printf("wst%d: media changed\n", t->lun);
|
|
t->flags |= WST_MEDIA_CHANGED;
|
|
break;
|
|
|
|
case AER_SK_DATA_PROTECT:
|
|
if (t->flags & WST_DEBUG)
|
|
printf("wst%d: reading read protected data\n", t->lun);
|
|
break;
|
|
|
|
case AER_SK_ABORTED_COMMAND:
|
|
if (t->flags & WST_DEBUG)
|
|
printf("wst%d: command aborted\n", t->lun);
|
|
break;
|
|
|
|
case AER_SK_MISCOMPARE:
|
|
if (t->flags & WST_DEBUG)
|
|
printf("wst%d: data don't match medium\n", t->lun);
|
|
break;
|
|
|
|
default:
|
|
printf("wst%d: i/o error, status=%b, error=%b\n", t->lun,
|
|
result.status, ARS_BITS, result.error, AER_BITS);
|
|
}
|
|
printf("total=%u ERR=%x len=%ld ASC=%x ASCQ=%x\n",
|
|
wst_total, sense.error_code, (long)ntohl(sense.info),
|
|
sense.asc, sense.ascq);
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
wstioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
|
|
{
|
|
int lun = UNIT(dev);
|
|
int error = 0;
|
|
struct wst *t = wsttab[lun];
|
|
|
|
switch (cmd) {
|
|
case MTIOCGET:
|
|
{
|
|
struct mtget *g = (struct mtget *) addr;
|
|
|
|
bzero(g, sizeof(struct mtget));
|
|
g->mt_type = 7;
|
|
g->mt_density = 1;
|
|
g->mt_blksiz = t->blksize;
|
|
g->mt_comp = t->cap.compress;
|
|
g->mt_density0 = 0; g->mt_density1 = 0;
|
|
g->mt_density2 = 0; g->mt_density3 = 0;
|
|
g->mt_blksiz0 = 0; g->mt_blksiz1 = 0;
|
|
g->mt_blksiz2 = 0; g->mt_blksiz3 = 0;
|
|
g->mt_comp0 = 0; g->mt_comp1 = 0;
|
|
g->mt_comp2 = 0; g->mt_comp3 = 0;
|
|
break;
|
|
}
|
|
case MTIOCTOP:
|
|
{
|
|
int i;
|
|
struct mtop *mt = (struct mtop *)addr;
|
|
|
|
switch ((short) (mt->mt_op)) {
|
|
case MTWEOF:
|
|
for (i=0; i < mt->mt_count && !error; i++)
|
|
error = wst_write_filemark(t, WEOF_WRITE_MASK);
|
|
break;
|
|
case MTFSF:
|
|
if (mt->mt_count)
|
|
error = wst_space_cmd(t, SP_FM, mt->mt_count);
|
|
break;
|
|
case MTBSF:
|
|
if (mt->mt_count)
|
|
error = wst_space_cmd(t, SP_FM, -(mt->mt_count));
|
|
break;
|
|
case MTFSR:
|
|
error = EINVAL; break;
|
|
case MTBSR:
|
|
error = EINVAL; break;
|
|
case MTREW:
|
|
error = wst_rewind(t);
|
|
break;
|
|
case MTOFFL:
|
|
#if 1 /* Misuse as a reset func for now */
|
|
wst_reset(t);
|
|
wst_sense(t);
|
|
wst_describe(t);
|
|
#else
|
|
if (error = wst_rewind(t))
|
|
break;
|
|
error = wst_load_unload(t, !LU_LOAD_MASK);
|
|
#endif
|
|
break;
|
|
case MTNOP:
|
|
error = wst_write_filemark(t, 0);
|
|
break;
|
|
case MTCACHE:
|
|
error = EINVAL; break;
|
|
case MTNOCACHE:
|
|
error = EINVAL; break;
|
|
case MTSETBSIZ:
|
|
error = EINVAL; break;
|
|
case MTSETDNSTY:
|
|
error = EINVAL; break;
|
|
case MTERASE:
|
|
error = wst_erase(t);
|
|
break;
|
|
case MTEOD:
|
|
error = wst_space_cmd(t, SP_EOD, 0);
|
|
break;
|
|
case MTCOMP:
|
|
error = EINVAL; break;
|
|
case MTRETENS:
|
|
error = wst_load_unload(t, LU_RETENSION_MASK|LU_LOAD_MASK);
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
}
|
|
return error;
|
|
}
|
|
default:
|
|
return(ENOTTY);
|
|
}
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
wst_space_cmd(struct wst *t, u_char function, u_int count)
|
|
{
|
|
struct atapires result;
|
|
|
|
result = atapi_request_wait(t->ata, t->unit,
|
|
ATAPI_TAPE_SPACE_CMD, function,
|
|
count>>16, count>>8, count,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, 0);
|
|
if (result.code) {
|
|
printf("wst_space_cmd: ");
|
|
wst_error(t, result);
|
|
return EIO;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
wst_write_filemark(struct wst *t, u_char function)
|
|
{
|
|
struct atapires result;
|
|
|
|
if (function) {
|
|
if (t->flags & WST_FM_WRITTEN)
|
|
t->flags &= ~WST_DATA_WRITTEN;
|
|
else
|
|
t->flags |= WST_FM_WRITTEN;
|
|
}
|
|
result = atapi_request_wait(t->ata, t->unit,
|
|
ATAPI_TAPE_WEOF, 0, 0, 0, function,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, 0);
|
|
if (result.code) {
|
|
printf("wst_write_filemark: ");
|
|
wst_error(t, result);
|
|
return EIO;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
wst_load_unload(struct wst *t, u_char function)
|
|
{
|
|
struct atapires result;
|
|
|
|
result = atapi_request_wait(t->ata, t->unit,
|
|
ATAPI_TAPE_LOAD_UNLOAD, 0, 0, 0, function,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, 0);
|
|
if (result.code) {
|
|
printf("wst_load_unload: ");
|
|
wst_error(t, result);
|
|
return EIO;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
wst_erase(struct wst *t)
|
|
{
|
|
int error;
|
|
struct atapires result;
|
|
|
|
error = wst_rewind(t);
|
|
if (error)
|
|
return error;
|
|
result = atapi_request_wait(t->ata, t->unit,
|
|
ATAPI_TAPE_ERASE, 3, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
NULL, 0);
|
|
if (result.code) {
|
|
printf("wst_erase: ");
|
|
wst_error(t, result);
|
|
return EIO;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
wst_rewind(struct wst *t)
|
|
{
|
|
struct atapires result;
|
|
|
|
result = atapi_request_wait(t->ata, t->unit,
|
|
ATAPI_TAPE_REWIND, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
NULL, 0);
|
|
if (result.code) {
|
|
printf("wst_rewind: ");
|
|
wst_error(t, result);
|
|
return EIO;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
wst_reset(struct wst *t)
|
|
{
|
|
outb(t->ata->port + AR_DRIVE, ARD_DRIVE1);
|
|
DELAY(30);
|
|
outb(t->ata->port + AR_COMMAND, 0x08);
|
|
DELAY(30);
|
|
}
|
|
|
|
static void
|
|
wst_drvinit(void *unused)
|
|
{
|
|
cdevsw_add(&wst_cdevsw);
|
|
}
|
|
|
|
SYSINIT(wstdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,wst_drvinit,NULL)
|
|
|
|
#endif /* NWST && NWDC */
|