Fixed missing filemark on close if data written to tape.
Don't try to flush buffers if the drive says it has none. More error checking and reporting. Hack: if drive hangs, it can be reset by issuing a mt -f device offline. I've been able to make several 4G backups. However there is still problems with some configurations. It is not clear if it is hardware or driver problems yet.
This commit is contained in:
Søren Schmidt
parent
61324207f1
commit
eb615e1788
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@ -25,7 +25,7 @@
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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: wst.c,v 1.2 1998/02/26 20:44:16 sos Exp sos $
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* $Id: wst.c,v 1.4 1998/03/10 12:00:24 sos Exp sos $
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*/
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#include "wdc.h"
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@ -44,7 +44,7 @@
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#include <sys/mtio.h>
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#ifdef DEVFS
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#include <sys/devfsext.h>
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#endif /*DEVFS*/
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#endif
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#include <machine/clock.h>
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#include <i386/isa/atapi.h>
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@ -68,7 +68,9 @@ static int wst_total = 0;
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#define WST_OPEN 0x0001 /* The device is opened */
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#define WST_MEDIA_CHANGED 0x0002 /* The media have changed */
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#define WST_DEBUG 0x0004 /* Print debug info */
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#define WST_DATA_WRITTEN 0x0004 /* Data has been written */
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#define WST_FM_WRITTEN 0x0008 /* Filemark has been written */
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#define WST_DEBUG 0x0010 /* Print debug info */
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/* ATAPI tape commands not in std ATAPI command set */
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#define ATAPI_TAPE_REWIND 0x01
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@ -87,6 +89,8 @@ static int wst_total = 0;
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#define LU_RETENSION_MASK 0x02
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#define LU_EOT_MASK 0x04
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#define DSC_POLL_INTERVAL 10
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/*
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* MODE SENSE parameter header
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*/
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@ -121,7 +125,8 @@ struct wst_cappage {
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u_char locked :1; /* The media is locked */
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u_char prevent :1; /* Defaults to prevent state */
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u_char eject :1; /* Supports eject */
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u_char reserved6_45 :2;
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u_char disconnect :1; /* Can break request > ctl */
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u_char reserved6_5 :1;
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u_char ecc :1; /* Supports error correction */
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u_char compress :1; /* Supports data compression */
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u_char reserved7_0 :1;
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@ -173,7 +178,6 @@ struct wst {
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struct atapi_params *param; /* Drive parameters table */
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struct wst_header header; /* MODE SENSE param header */
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struct wst_cappage cap; /* Capabilities page info */
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char description[80]; /* Device description */
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#ifdef DEVFS
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void *cdevs;
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void *bdevs;
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@ -190,9 +194,10 @@ int wstattach(struct atapi *ata, int unit, struct atapi_params *ap, int debug);
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static int wst_sense(struct wst *t);
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static void wst_describe(struct wst *t);
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static int wst_open(dev_t dev, int chardev);
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static void wst_poll_dsc(struct wst *t);
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static void wst_start(struct wst *t);
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static void wst_done(struct wst *t, struct buf *bp, int resid, struct atapires result);
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static void wst_error(struct wst *t, struct atapires result);
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static int wst_error(struct wst *t, struct atapires result);
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static void wst_drvinit(void *unused);
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static int wst_space_cmd(struct wst *t, u_char function, u_int count);
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static int wst_write_filemark(struct wst *t, u_char function);
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@ -271,7 +276,7 @@ wst_sense(struct wst *t)
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char buffer[255];
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/* Get drive capabilities, some drives needs this repeated */
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for (count = 0 ; count < 3 ; count++) {
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for (count = 0 ; count < 5 ; count++) {
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result = atapi_request_immediate(t->ata, t->unit,
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ATAPI_TAPE_MODE_SENSE,
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8, /* DBD = 1 no block descr */
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@ -298,26 +303,21 @@ wst_sense(struct wst *t)
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t->cap.ctl = ntohs(t->cap.ctl);
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t->cap.speed = ntohs(t->cap.speed);
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t->cap.buffer_size = ntohs(t->cap.buffer_size);
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/*wst_describe(t);*/
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/*if (t->flags & WST_DEBUG) */
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/* wst_dump(t->lun, "cap", &t->cap, sizeof(t->cap)); */
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t->blksize = (t->cap.blk512 ? 512 : (t->cap.blk1024 ? 1024 : 0));
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} else
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return 1;
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return 0;
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return 0;
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}
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return 1;
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}
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static void
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wst_describe(struct wst *t)
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{
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printf("wst%d: ", t->lun);
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printf("Medium: ");
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switch (t->header.medium_type) {
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case 0x00: printf("Drive empty"); break;
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case 0x17: printf("Travan 1 (400 Mbyte)"); break;
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case 0xb6: printf("Travan 4 (4 Gbyte)"); break;
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default: printf("Unknown (0x%x)", t->header.medium_type);
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case 0x17: printf("Travan 1 (400 Mbyte) media"); break;
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case 0xb6: printf("Travan 4 (4 Gbyte) media"); break;
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default: printf("Unknown media (0x%x)", t->header.medium_type);
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}
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if (t->cap.readonly) printf(", readonly");
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if (t->cap.reverse) printf(", reverse");
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@ -327,6 +327,7 @@ wst_describe(struct wst *t)
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if (t->cap.locked) printf(", locked");
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if (t->cap.prevent) printf(", prevent");
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if (t->cap.eject) printf(", eject");
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if (t->cap.disconnect) printf(", disconnect");
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if (t->cap.ecc) printf(", ecc");
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if (t->cap.compress) printf(", compress");
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if (t->cap.blk512) printf(", 512b");
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@ -353,15 +354,13 @@ wstopen(dev_t dev, int flags, int fmt, struct proc *p)
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lun, wstnlun, atapi_request_immediate);
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return(ENXIO);
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}
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t = wsttab[lun];
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if (t->flags == WST_OPEN)
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return EBUSY;
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t->flags &= ~WST_MEDIA_CHANGED;
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if (wst_sense(t))
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printf("wst%d: Sense media type failed\n", t->lun);
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t->flags &= ~WST_MEDIA_CHANGED;
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t->flags &= ~(WST_DATA_WRITTEN | WST_FM_WRITTEN);
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t->flags |= WST_OPEN;
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return(0);
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}
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@ -372,14 +371,21 @@ wstclose(dev_t dev, int flags, int fmt, struct proc *p)
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int lun = UNIT(dev);
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struct wst *t = wsttab[lun];
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/* flush buffers */
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wst_write_filemark(t, 0);
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/* Flush buffers, some drives fail here, but they report ctl = 0 */
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if (t->cap.ctl)
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wst_write_filemark(t, 0);
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/* if minor is even rewind on close */
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/* Write filemark if data written to tape */
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if (t->flags & (WST_DATA_WRITTEN || WST_FM_WRITTEN) == WST_DATA_WRITTEN)
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wst_write_filemark(t, WEOF_WRITE_MASK);
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/* If minor is even rewind on close */
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if (!(minor(dev) & 0x01))
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wst_rewind(t);
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t->flags &= ~WST_OPEN;
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if (t->flags & WST_DEBUG)
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printf("wst%d: %d total bytes transferred\n", t->lun, wst_total);
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return(0);
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}
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@ -411,14 +417,25 @@ wststrategy(struct buf *bp)
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lun, bp->b_bcount, t->blksize*t->cap.ctl);
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}
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wst_total += bp->b_bcount;
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x = splbio();
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wst_total += bp->b_bcount;
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bufq_insert_tail(&t->buf_queue, bp);
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wst_start(t);
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splx(x);
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}
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static void
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wst_poll_dsc(struct wst *t)
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{
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/* We should use a final timeout here SOS XXX */
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if (!(inb(t->ata->port + AR_STATUS) & ARS_DSC)) {
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timeout((timeout_t*)wst_poll_dsc, t, DSC_POLL_INTERVAL);
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return;
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}
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t->ata->wait_for_dsc = 0;
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wakeup((caddr_t)t);
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}
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static void
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wst_start(struct wst *t)
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{
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@ -430,16 +447,28 @@ wst_start(struct wst *t)
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if (!bp)
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return;
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if (t->ata->wait_for_dsc)
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printf("wst%d: ERROR! allready waiting for DSC\n", t->lun);
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/* Sleep waiting for a ready drive (DSC) */
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if (t->ata->use_dsc && !(inb(t->ata->port + AR_STATUS) & ARS_DSC)) {
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t->ata->wait_for_dsc = 1;
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timeout((timeout_t*)wst_poll_dsc, t, DSC_POLL_INTERVAL);
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tsleep((caddr_t) t, 0, "wstdsc", 0);
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}
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bufq_remove(&t->buf_queue, bp);
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blk_count = bp->b_bcount / t->blksize;
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if(bp->b_flags & B_READ) {
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if (bp->b_flags & B_READ) {
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op_code = ATAPI_TAPE_READ_CMD;
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byte_count = bp->b_bcount;
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} else {
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op_code = ATAPI_TAPE_WRITE_CMD;
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t->flags |= WST_DATA_WRITTEN;
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byte_count = -bp->b_bcount;
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}
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atapi_request_callback(t->ata, t->unit, op_code, 1,
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blk_count>>16, blk_count>>8, blk_count,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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@ -459,35 +488,47 @@ wst_done(struct wst *t, struct buf *bp, int resid,
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}
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else
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bp->b_resid = resid;
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biodone(bp);
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wst_start(t);
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/*wst_start(t);*/
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}
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static void
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static int
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wst_error(struct wst *t, struct atapires result)
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{
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struct wst_reqsense sense;
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if (result.code != RES_ERR) {
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printf("wst%d: ERROR code=%d, status=%b, error=%b\n", t->lun,
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result.code, result.status, ARS_BITS, result.error, AER_BITS);
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return;
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return 1;
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}
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if ((result.error & AER_SKEY) && (result.status & ARS_CHECK)) {
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atapi_request_immediate(t->ata, t->unit,
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ATAPI_TAPE_REQUEST_SENSE,
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0, 0, 0, sizeof(sense),
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0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, (char*) &sense, sizeof(struct wst_reqsense));
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/*wst_dump(t->lun, "req_sense", &sense, sizeof(struct wst_reqsense));*/
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}
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switch (result.error & AER_SKEY) {
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case AER_SK_NOT_READY:
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if (result.error & ~AER_SKEY) {
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if (t->flags & WST_DEBUG)
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printf("wst%d: not ready\n", t->lun);
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return;
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break;
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}
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if (!(t->flags & WST_MEDIA_CHANGED))
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if (t->flags & WST_DEBUG)
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printf("wst%d: no media\n", t->lun);
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t->flags |= WST_MEDIA_CHANGED;
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return;
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break;
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case AER_SK_BLANK_CHECK:
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if (t->flags & WST_DEBUG)
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printf("wst%d: EOD encountered\n", t->lun);
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return;
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break;
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case AER_SK_MEDIUM_ERROR:
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if (t->flags & WST_DEBUG)
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@ -508,7 +549,7 @@ wst_error(struct wst *t, struct atapires result)
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if (!(t->flags & WST_MEDIA_CHANGED))
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printf("wst%d: media changed\n", t->lun);
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t->flags |= WST_MEDIA_CHANGED;
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return;
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break;
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case AER_SK_DATA_PROTECT:
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if (t->flags & WST_DEBUG)
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@ -529,21 +570,10 @@ wst_error(struct wst *t, struct atapires result)
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printf("wst%d: i/o error, status=%b, error=%b\n", t->lun,
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result.status, ARS_BITS, result.error, AER_BITS);
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}
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if ((result.error & AER_SKEY) && (result.status & ARS_CHECK)) {
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struct wst_reqsense sense;
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atapi_request_immediate(t->ata, t->unit,
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ATAPI_TAPE_REQUEST_SENSE,
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0, 0, 0, sizeof(sense),
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0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, (char*) &sense, sizeof(struct wst_reqsense));
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wst_dump(t->lun, "req_sense", &sense, sizeof(struct wst_reqsense));
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printf("count=%d ERR=%x len=%d ASC=%x ASCQ=%x\n",
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wst_total, sense.error_code, ntohl(sense.info),
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sense.asc, sense.ascq);
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}
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printf("total=%d ERR=%x len=%d ASC=%x ASCQ=%x\n",
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wst_total, sense.error_code, ntohl(sense.info),
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sense.asc, sense.ascq);
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return 1;
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}
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int
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@ -559,7 +589,7 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
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struct mtget *g = (struct mtget *) addr;
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bzero(g, sizeof(struct mtget));
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g->mt_type = 1;
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g->mt_type = 7;
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g->mt_density = 1;
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g->mt_blksiz = t->blksize;
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g->mt_comp = t->cap.compress;
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@ -577,15 +607,15 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
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struct mtop *mt = (struct mtop *)addr;
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switch ((short) (mt->mt_op)) {
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case MTWEOF: /* write filemark */
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case MTWEOF:
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for (i=0; i < mt->mt_count && !error; i++)
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error = wst_write_filemark(t, WEOF_WRITE_MASK);
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break;
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case MTFSF: /* forward count filemarks */
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case MTFSF:
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if (mt->mt_count)
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error = wst_space_cmd(t, SP_FM, mt->mt_count);
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break;
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case MTBSF: /* backward count filemarks */
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case MTBSF:
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if (mt->mt_count)
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error = wst_space_cmd(t, SP_FM, -(mt->mt_count));
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break;
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|
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@ -593,11 +623,11 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
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error = EINVAL; break;
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case MTBSR:
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error = EINVAL; break;
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case MTREW: /* rewind */
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case MTREW:
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error = wst_rewind(t);
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break;
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case MTOFFL: /* rewind and go offline */
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#if 1 /* misuse as a reset func for now */
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case MTOFFL:
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#if 1 /* Misuse as a reset func for now */
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wst_reset(t);
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wst_sense(t);
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wst_describe(t);
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|
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@ -607,7 +637,7 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
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error = wst_load_unload(t, !LU_LOAD_MASK);
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#endif
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break;
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case MTNOP: /* flush buffers */
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case MTNOP:
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error = wst_write_filemark(t, 0);
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break;
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case MTCACHE:
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|
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@ -618,7 +648,7 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
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error = EINVAL; break;
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case MTSETDNSTY:
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error = EINVAL; break;
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case MTERASE: /* erase */
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case MTERASE:
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error = wst_erase(t);
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break;
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case MTEOD:
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|
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@ -626,7 +656,7 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
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break;
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case MTCOMP:
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error = EINVAL; break;
|
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case MTRETENS: /* retension tape */
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case MTRETENS:
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error = wst_load_unload(t, LU_RETENSION_MASK|LU_LOAD_MASK);
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break;
|
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default:
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|
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@ -662,6 +692,12 @@ wst_write_filemark(struct wst *t, u_char function)
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{
|
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struct atapires result;
|
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|
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if (function) {
|
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if (t->flags & WST_FM_WRITTEN)
|
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t->flags &= ~WST_DATA_WRITTEN;
|
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else
|
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t->flags |= WST_FM_WRITTEN;
|
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}
|
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result = atapi_request_wait(t->ata, t->unit,
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ATAPI_TAPE_WEOF, 0, 0, 0, function,
|
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, 0);
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||||
|
|
|
|||
|
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@ -25,7 +25,7 @@
|
|||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* $Id: wst.c,v 1.2 1998/02/26 20:44:16 sos Exp sos $
|
||||
* $Id: wst.c,v 1.4 1998/03/10 12:00:24 sos Exp sos $
|
||||
*/
|
||||
|
||||
#include "wdc.h"
|
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|
|
@ -44,7 +44,7 @@
|
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#include <sys/mtio.h>
|
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#ifdef DEVFS
|
||||
#include <sys/devfsext.h>
|
||||
#endif /*DEVFS*/
|
||||
#endif
|
||||
#include <machine/clock.h>
|
||||
#include <i386/isa/atapi.h>
|
||||
|
||||
|
|
@ -68,7 +68,9 @@ static int wst_total = 0;
|
|||
|
||||
#define WST_OPEN 0x0001 /* The device is opened */
|
||||
#define WST_MEDIA_CHANGED 0x0002 /* The media have changed */
|
||||
#define WST_DEBUG 0x0004 /* Print debug info */
|
||||
#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 */
|
||||
|
||||
/* ATAPI tape commands not in std ATAPI command set */
|
||||
#define ATAPI_TAPE_REWIND 0x01
|
||||
|
|
@ -87,6 +89,8 @@ static int wst_total = 0;
|
|||
#define LU_RETENSION_MASK 0x02
|
||||
#define LU_EOT_MASK 0x04
|
||||
|
||||
#define DSC_POLL_INTERVAL 10
|
||||
|
||||
/*
|
||||
* MODE SENSE parameter header
|
||||
*/
|
||||
|
|
@ -121,7 +125,8 @@ struct wst_cappage {
|
|||
u_char locked :1; /* The media is locked */
|
||||
u_char prevent :1; /* Defaults to prevent state */
|
||||
u_char eject :1; /* Supports eject */
|
||||
u_char reserved6_45 :2;
|
||||
u_char disconnect :1; /* Can break request > ctl */
|
||||
u_char reserved6_5 :1;
|
||||
u_char ecc :1; /* Supports error correction */
|
||||
u_char compress :1; /* Supports data compression */
|
||||
u_char reserved7_0 :1;
|
||||
|
|
@ -173,7 +178,6 @@ struct wst {
|
|||
struct atapi_params *param; /* Drive parameters table */
|
||||
struct wst_header header; /* MODE SENSE param header */
|
||||
struct wst_cappage cap; /* Capabilities page info */
|
||||
char description[80]; /* Device description */
|
||||
#ifdef DEVFS
|
||||
void *cdevs;
|
||||
void *bdevs;
|
||||
|
|
@ -190,9 +194,10 @@ 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 int wst_open(dev_t dev, int chardev);
|
||||
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 void wst_error(struct wst *t, 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);
|
||||
|
|
@ -271,7 +276,7 @@ wst_sense(struct wst *t)
|
|||
char buffer[255];
|
||||
|
||||
/* Get drive capabilities, some drives needs this repeated */
|
||||
for (count = 0 ; count < 3 ; count++) {
|
||||
for (count = 0 ; count < 5 ; count++) {
|
||||
result = atapi_request_immediate(t->ata, t->unit,
|
||||
ATAPI_TAPE_MODE_SENSE,
|
||||
8, /* DBD = 1 no block descr */
|
||||
|
|
@ -298,26 +303,21 @@ wst_sense(struct wst *t)
|
|||
t->cap.ctl = ntohs(t->cap.ctl);
|
||||
t->cap.speed = ntohs(t->cap.speed);
|
||||
t->cap.buffer_size = ntohs(t->cap.buffer_size);
|
||||
/*wst_describe(t);*/
|
||||
/*if (t->flags & WST_DEBUG) */
|
||||
/* wst_dump(t->lun, "cap", &t->cap, sizeof(t->cap)); */
|
||||
t->blksize = (t->cap.blk512 ? 512 : (t->cap.blk1024 ? 1024 : 0));
|
||||
|
||||
} else
|
||||
return 1;
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void
|
||||
wst_describe(struct wst *t)
|
||||
{
|
||||
printf("wst%d: ", t->lun);
|
||||
printf("Medium: ");
|
||||
switch (t->header.medium_type) {
|
||||
case 0x00: printf("Drive empty"); break;
|
||||
case 0x17: printf("Travan 1 (400 Mbyte)"); break;
|
||||
case 0xb6: printf("Travan 4 (4 Gbyte)"); break;
|
||||
default: printf("Unknown (0x%x)", t->header.medium_type);
|
||||
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");
|
||||
|
|
@ -327,6 +327,7 @@ wst_describe(struct wst *t)
|
|||
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");
|
||||
|
|
@ -353,15 +354,13 @@ wstopen(dev_t dev, int flags, int fmt, struct proc *p)
|
|||
lun, wstnlun, atapi_request_immediate);
|
||||
return(ENXIO);
|
||||
}
|
||||
|
||||
t = wsttab[lun];
|
||||
if (t->flags == WST_OPEN)
|
||||
return EBUSY;
|
||||
t->flags &= ~WST_MEDIA_CHANGED;
|
||||
|
||||
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);
|
||||
}
|
||||
|
|
@ -372,14 +371,21 @@ wstclose(dev_t dev, int flags, int fmt, struct proc *p)
|
|||
int lun = UNIT(dev);
|
||||
struct wst *t = wsttab[lun];
|
||||
|
||||
/* flush buffers */
|
||||
wst_write_filemark(t, 0);
|
||||
/* Flush buffers, some drives fail here, but they report ctl = 0 */
|
||||
if (t->cap.ctl)
|
||||
wst_write_filemark(t, 0);
|
||||
|
||||
/* if minor is even rewind on close */
|
||||
/* 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: %d total bytes transferred\n", t->lun, wst_total);
|
||||
return(0);
|
||||
}
|
||||
|
||||
|
|
@ -411,14 +417,25 @@ wststrategy(struct buf *bp)
|
|||
lun, bp->b_bcount, t->blksize*t->cap.ctl);
|
||||
}
|
||||
|
||||
wst_total += bp->b_bcount;
|
||||
|
||||
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)
|
||||
{
|
||||
|
|
@ -430,16 +447,28 @@ wst_start(struct wst *t)
|
|||
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) {
|
||||
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,
|
||||
|
|
@ -459,35 +488,47 @@ wst_done(struct wst *t, struct buf *bp, int resid,
|
|||
}
|
||||
else
|
||||
bp->b_resid = resid;
|
||||
|
||||
biodone(bp);
|
||||
wst_start(t);
|
||||
/*wst_start(t);*/
|
||||
}
|
||||
|
||||
static void
|
||||
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;
|
||||
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);
|
||||
return;
|
||||
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;
|
||||
return;
|
||||
break;
|
||||
|
||||
case AER_SK_BLANK_CHECK:
|
||||
if (t->flags & WST_DEBUG)
|
||||
printf("wst%d: EOD encountered\n", t->lun);
|
||||
return;
|
||||
break;
|
||||
|
||||
case AER_SK_MEDIUM_ERROR:
|
||||
if (t->flags & WST_DEBUG)
|
||||
|
|
@ -508,7 +549,7 @@ wst_error(struct wst *t, struct atapires result)
|
|||
if (!(t->flags & WST_MEDIA_CHANGED))
|
||||
printf("wst%d: media changed\n", t->lun);
|
||||
t->flags |= WST_MEDIA_CHANGED;
|
||||
return;
|
||||
break;
|
||||
|
||||
case AER_SK_DATA_PROTECT:
|
||||
if (t->flags & WST_DEBUG)
|
||||
|
|
@ -529,21 +570,10 @@ wst_error(struct wst *t, struct atapires result)
|
|||
printf("wst%d: i/o error, status=%b, error=%b\n", t->lun,
|
||||
result.status, ARS_BITS, result.error, AER_BITS);
|
||||
}
|
||||
|
||||
if ((result.error & AER_SKEY) && (result.status & ARS_CHECK)) {
|
||||
struct wst_reqsense sense;
|
||||
|
||||
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));
|
||||
printf("count=%d ERR=%x len=%d ASC=%x ASCQ=%x\n",
|
||||
wst_total, sense.error_code, ntohl(sense.info),
|
||||
sense.asc, sense.ascq);
|
||||
}
|
||||
printf("total=%d ERR=%x len=%d ASC=%x ASCQ=%x\n",
|
||||
wst_total, sense.error_code, ntohl(sense.info),
|
||||
sense.asc, sense.ascq);
|
||||
return 1;
|
||||
}
|
||||
|
||||
int
|
||||
|
|
@ -559,7 +589,7 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
|
|||
struct mtget *g = (struct mtget *) addr;
|
||||
|
||||
bzero(g, sizeof(struct mtget));
|
||||
g->mt_type = 1;
|
||||
g->mt_type = 7;
|
||||
g->mt_density = 1;
|
||||
g->mt_blksiz = t->blksize;
|
||||
g->mt_comp = t->cap.compress;
|
||||
|
|
@ -577,15 +607,15 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
|
|||
struct mtop *mt = (struct mtop *)addr;
|
||||
|
||||
switch ((short) (mt->mt_op)) {
|
||||
case MTWEOF: /* write filemark */
|
||||
case MTWEOF:
|
||||
for (i=0; i < mt->mt_count && !error; i++)
|
||||
error = wst_write_filemark(t, WEOF_WRITE_MASK);
|
||||
break;
|
||||
case MTFSF: /* forward count filemarks */
|
||||
case MTFSF:
|
||||
if (mt->mt_count)
|
||||
error = wst_space_cmd(t, SP_FM, mt->mt_count);
|
||||
break;
|
||||
case MTBSF: /* backward count filemarks */
|
||||
case MTBSF:
|
||||
if (mt->mt_count)
|
||||
error = wst_space_cmd(t, SP_FM, -(mt->mt_count));
|
||||
break;
|
||||
|
|
@ -593,11 +623,11 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
|
|||
error = EINVAL; break;
|
||||
case MTBSR:
|
||||
error = EINVAL; break;
|
||||
case MTREW: /* rewind */
|
||||
case MTREW:
|
||||
error = wst_rewind(t);
|
||||
break;
|
||||
case MTOFFL: /* rewind and go offline */
|
||||
#if 1 /* misuse as a reset func for now */
|
||||
case MTOFFL:
|
||||
#if 1 /* Misuse as a reset func for now */
|
||||
wst_reset(t);
|
||||
wst_sense(t);
|
||||
wst_describe(t);
|
||||
|
|
@ -607,7 +637,7 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
|
|||
error = wst_load_unload(t, !LU_LOAD_MASK);
|
||||
#endif
|
||||
break;
|
||||
case MTNOP: /* flush buffers */
|
||||
case MTNOP:
|
||||
error = wst_write_filemark(t, 0);
|
||||
break;
|
||||
case MTCACHE:
|
||||
|
|
@ -618,7 +648,7 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
|
|||
error = EINVAL; break;
|
||||
case MTSETDNSTY:
|
||||
error = EINVAL; break;
|
||||
case MTERASE: /* erase */
|
||||
case MTERASE:
|
||||
error = wst_erase(t);
|
||||
break;
|
||||
case MTEOD:
|
||||
|
|
@ -626,7 +656,7 @@ wstioctl(dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
|
|||
break;
|
||||
case MTCOMP:
|
||||
error = EINVAL; break;
|
||||
case MTRETENS: /* retension tape */
|
||||
case MTRETENS:
|
||||
error = wst_load_unload(t, LU_RETENSION_MASK|LU_LOAD_MASK);
|
||||
break;
|
||||
default:
|
||||
|
|
@ -662,6 +692,12 @@ 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);
|
||||
|
|
|
|||
Loading…
Reference in New Issue