diff options
author | phk <phk@FreeBSD.org> | 2000-04-15 05:54:02 +0000 |
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committer | phk <phk@FreeBSD.org> | 2000-04-15 05:54:02 +0000 |
commit | aaaef0b54e307450b19dcd1fb6ec921cc62d1acf (patch) | |
tree | 175dac1aaf0d06b54deb889161091dbcf88c79c6 /sys/dev/ata/atapi-cd.c | |
parent | f2310ef109eccf99c872f4f90eb70f4fc26e39f1 (diff) | |
download | FreeBSD-src-aaaef0b54e307450b19dcd1fb6ec921cc62d1acf.zip FreeBSD-src-aaaef0b54e307450b19dcd1fb6ec921cc62d1acf.tar.gz |
Complete the bio/buf divorce for all code below devfs::strategy
Exceptions:
Vinum untouched. This means that it cannot be compiled.
Greg Lehey is on the case.
CCD not converted yet, casts to struct buf (still safe)
atapi-cd casts to struct buf to examine B_PHYS
Diffstat (limited to 'sys/dev/ata/atapi-cd.c')
-rw-r--r-- | sys/dev/ata/atapi-cd.c | 60 |
1 files changed, 32 insertions, 28 deletions
diff --git a/sys/dev/ata/atapi-cd.c b/sys/dev/ata/atapi-cd.c index 61c1795..15a6a2b 100644 --- a/sys/dev/ata/atapi-cd.c +++ b/sys/dev/ata/atapi-cd.c @@ -231,7 +231,7 @@ acd_init_lun(struct atapi_softc *atp, struct devstat *stats) if (!(cdp = malloc(sizeof(struct acd_softc), M_ACD, M_NOWAIT))) return NULL; bzero(cdp, sizeof(struct acd_softc)); - bufq_init(&cdp->buf_queue); + bioq_init(&cdp->bio_queue); cdp->atp = atp; cdp->lun = ata_get_lun(&acd_lun_map); cdp->flags &= ~(F_WRITTEN|F_DISK_OPEN|F_TRACK_OPEN); @@ -1085,23 +1085,23 @@ acdioctl(dev_t dev, u_long cmd, caddr_t addr, int32_t flags, struct proc *p) } static void -acdstrategy(struct buf *bp) +acdstrategy(struct bio *bp) { - struct acd_softc *cdp = bp->b_dev->si_drv1; + struct acd_softc *cdp = bp->bio_dev->si_drv1; int32_t s; /* if it's a null transfer, return immediatly. */ - if (bp->b_bcount == 0) { - bp->b_resid = 0; + if (bp->bio_bcount == 0) { + bp->bio_resid = 0; biodone(bp); return; } - bp->b_pblkno = bp->b_blkno; - bp->b_resid = bp->b_bcount; + bp->bio_pblkno = bp->bio_blkno; + bp->bio_resid = bp->bio_bcount; s = splbio(); - bufqdisksort(&cdp->buf_queue, bp); + bioqdisksort(&cdp->bio_queue, bp); ata_start(cdp->atp->controller); splx(s); } @@ -1110,7 +1110,7 @@ void acd_start(struct atapi_softc *atp) { struct acd_softc *cdp = atp->driver; - struct buf *bp = bufq_first(&cdp->buf_queue); + struct bio *bp = bioq_first(&cdp->bio_queue); u_int32_t lba, count; int8_t ccb[16]; @@ -1118,13 +1118,13 @@ acd_start(struct atapi_softc *atp) int i; cdp = cdp->driver[cdp->changer_info->current_slot]; - bp = bufq_first(&cdp->buf_queue); + bp = bioq_first(&cdp->bio_queue); /* check for work pending on any other slot */ for (i = 0; i < cdp->changer_info->slots; i++) { if (i == cdp->changer_info->current_slot) continue; - if (bufq_first(&(cdp->driver[i]->buf_queue))) { + if (bioq_first(&(cdp->driver[i]->bio_queue))) { if (!bp || time_second > (cdp->timestamp + 10)) { acd_select_slot(cdp->driver[i]); return; @@ -1134,29 +1134,33 @@ acd_start(struct atapi_softc *atp) } if (!bp) return; - bufq_remove(&cdp->buf_queue, bp); + bioq_remove(&cdp->bio_queue, bp); /* reject all queued entries if media changed */ if (cdp->atp->flags & ATAPI_F_MEDIA_CHANGED) { - bp->b_error = EIO; - bp->b_ioflags |= BIO_ERROR; + bp->bio_error = EIO; + bp->bio_flags |= BIO_ERROR; biodone(bp); return; } bzero(ccb, sizeof(ccb)); - count = (bp->b_bcount + (cdp->block_size - 1)) / cdp->block_size; - if (bp->b_flags & B_PHYS) - lba = bp->b_offset / cdp->block_size; + count = (bp->bio_bcount + (cdp->block_size - 1)) / cdp->block_size; + { + /* XXX Hack until b_offset is always initialized */ + struct buf *bup = (struct buf *)bp; + if (bup->b_flags & B_PHYS) + lba = bup->b_offset / cdp->block_size; else - lba = bp->b_blkno / (cdp->block_size / DEV_BSIZE); + lba = bp->bio_blkno / (cdp->block_size / DEV_BSIZE); + } - if (bp->b_iocmd == BIO_READ) { + if (bp->bio_cmd == BIO_READ) { /* if transfer goes beyond EOM adjust it to be within limits */ if (lba + count > cdp->info.volsize) { /* if we are entirely beyond EOM return EOF */ if ((count = cdp->info.volsize - lba) <= 0) { - bp->b_resid = bp->b_bcount; + bp->bio_resid = bp->bio_bcount; biodone(bp); return; } @@ -1181,26 +1185,26 @@ acd_start(struct atapi_softc *atp) devstat_start_transaction(cdp->stats); - atapi_queue_cmd(cdp->atp, ccb, bp->b_data, count * cdp->block_size, - (bp->b_iocmd == BIO_READ)?ATPR_F_READ : 0, 30, acd_done, bp); + atapi_queue_cmd(cdp->atp, ccb, bp->bio_data, count * cdp->block_size, + (bp->bio_cmd == BIO_READ)?ATPR_F_READ : 0, 30, acd_done, bp); } static int32_t acd_done(struct atapi_request *request) { - struct buf *bp = request->driver; + struct bio *bp = request->driver; struct acd_softc *cdp = request->device->driver; if (request->error) { - bp->b_error = request->error; - bp->b_ioflags |= BIO_ERROR; + bp->bio_error = request->error; + bp->bio_flags |= BIO_ERROR; } else { - bp->b_resid = bp->b_bcount - request->donecount; - if (bp->b_iocmd == BIO_WRITE) + bp->bio_resid = bp->bio_bcount - request->donecount; + if (bp->bio_cmd == BIO_WRITE) cdp->flags |= F_WRITTEN; } - devstat_end_transaction_buf(cdp->stats, bp); + devstat_end_transaction_bio(cdp->stats, bp); biodone(bp); return 0; } |