diff options
Diffstat (limited to 'sys/scsi/st.c')
| -rw-r--r-- | sys/scsi/st.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/sys/scsi/st.c b/sys/scsi/st.c index 2bc6e494e013..4a6674718bf3 100644 --- a/sys/scsi/st.c +++ b/sys/scsi/st.c @@ -21,13 +21,13 @@ * 16 Feb 93 Julian Elischer ADDED for SCSI system * 1.15 is the last version to support MACH and OSF/1 */ -/* $Revision: 1.15 $ */ +/* $Revision: 1.17 $ */ /* * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 * major changes by Julian Elischer (julian@jules.dialix.oz.au) May 1993 * - * $Id: st.c,v 1.15 1994/01/29 10:30:41 rgrimes Exp $ + * $Id: st.c,v 1.17 1994/06/22 05:53:02 jkh Exp $ */ /* @@ -307,6 +307,7 @@ stattach(sc_link) * the drive. We cannot use interrupts yet, so the * request must specify this. */ + st_rd_blk_lim(unit, SCSI_NOSLEEP | SCSI_NOMASK | SCSI_SILENT); if (st_mode_sense(unit, SCSI_NOSLEEP | SCSI_NOMASK | SCSI_SILENT)) { printf("st%d: drive offline\n", unit); } else { @@ -315,7 +316,7 @@ stattach(sc_link) if (st->media_blksiz) { printf("%d-byte", st->media_blksiz); } else { - printf("variable"); + printf("variable(%d->%d)",st->blkmin,st->blkmax); } printf(" blocks, write-%s\n", (st->flags & ST_READONLY) ? "protected" : "enabled"); @@ -324,6 +325,13 @@ stattach(sc_link) } } /* + * Forget if we've loaded the media, + * because sometimes things are unstable at boot time. + * We'll get it all again at the first open. + */ + sc_link->flags &= ~SDEV_MEDIA_LOADED; + + /* * Set up the buf queue for this device */ st->buf_queue = 0; @@ -911,6 +919,14 @@ ststrategy(bp) stminphys(bp); opri = splbio(); + /* + * Use a bounce buffer if necessary + */ +#ifndef NOBOUNCE + if (st->sc_link->flags & SDEV_BOUNCE) + vm_bounce_alloc(bp); +#endif + /* * Place it in the queue of activities for this tape * at the end (a bit silly because we only have on user.. |