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Fix the max transfer size for ATAPI devices. The spec says to

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transfer at most 65534 bytes, thats 126 times DEV_BSIZE not 252 :(

Pointed out by: Ian Dowse <iedowse@maths.tcd.ie>
This commit is contained in:
Søren Schmidt 2002-07-26 19:13:05 +00:00
parent 8948a4fd3d
commit aafa7ea069
3 changed files with 4 additions and 4 deletions
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2
sys/dev/ata/atapi-cd.c
View File

@ -282,7 +282,7 @@ acd_make_dev(struct acd_softc *cdp)
make_dev_alias(dev, "acd%da", cdp->lun);
make_dev_alias(dev, "acd%dc", cdp->lun);
dev->si_drv1 = cdp;
dev->si_iosize_max = 252 * DEV_BSIZE;
dev->si_iosize_max = 126 * DEV_BSIZE;
dev->si_bsize_phys = 2048; /* XXX SOS */
cdp->dev = dev;
cdp->device->flags |= ATA_D_MEDIA_CHANGED;

2
sys/dev/ata/atapi-fd.c
View File

@ -112,7 +112,7 @@ afdattach(struct ata_device *atadev)
!strncmp(atadev->param->model, "IOMEGA Clik!", 12))
fdp->dev->si_iosize_max = 64 * DEV_BSIZE;
else
fdp->dev->si_iosize_max = 252 * DEV_BSIZE;
fdp->dev->si_iosize_max = 126 * DEV_BSIZE;
afd_describe(fdp);
atadev->flags |= ATA_D_MEDIA_CHANGED;

4
sys/dev/ata/atapi-tape.c
View File

@ -132,12 +132,12 @@ astattach(struct ata_device *atadev)
dev = make_dev(&ast_cdevsw, dkmakeminor(stp->lun, 0, 0),
UID_ROOT, GID_OPERATOR, 0640, "ast%d", stp->lun);
dev->si_drv1 = stp;
dev->si_iosize_max = 252 * DEV_BSIZE;
dev->si_iosize_max = 126 * DEV_BSIZE;
stp->dev1 = dev;
dev = make_dev(&ast_cdevsw, dkmakeminor(stp->lun, 0, 1),
UID_ROOT, GID_OPERATOR, 0640, "nast%d", stp->lun);
dev->si_drv1 = stp;
dev->si_iosize_max = 252 * DEV_BSIZE;
dev->si_iosize_max = 126 * DEV_BSIZE;
stp->dev2 = dev;
stp->device->flags |= ATA_D_MEDIA_CHANGED;
ast_describe(stp);