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Fix support for disk with > 64K cyls.

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This commit is contained in:
Søren Schmidt 1999-12-07 14:49:00 +00:00
parent 136018cbbe
commit 7420fbaac2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=54260
2 changed files with 8 additions and 9 deletions
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14
sys/dev/ata/ata-disk.c
View file

@ -158,14 +158,13 @@ ad_attach(void *notused)
free(adp, M_AD);
continue;
}
adp->cylinders = adp->ata_parm->cylinders;
adp->heads = adp->ata_parm->heads;
adp->sectors = adp->ata_parm->sectors;
adp->total_secs = adp->cylinders * adp->heads * adp->sectors;
if (adp->cylinders == 16383 &&
adp->total_secs =
adp->ata_parm->cylinders * adp->heads * adp->sectors;
if (adp->ata_parm->cylinders == 16383 &&
adp->total_secs < adp->ata_parm->lbasize) {
adp->total_secs = adp->ata_parm->lbasize;
adp->cylinders = adp->total_secs/(adp->heads*adp->sectors);
}
if (adp->ata_parm->atavalid & ATA_FLAG_54_58 &&
adp->ata_parm->lbasize)
@ -220,8 +219,9 @@ ad_attach(void *notused)
printf("ad%d: %luMB (%u sectors), "
"%u cyls, %u heads, %u S/T, %u B/S\n",
adp->lun, adp->total_secs / ((1024L * 1024L)/DEV_BSIZE),
adp->total_secs, adp->cylinders, adp->heads,
adp->sectors, DEV_BSIZE);
adp->total_secs,
adp->total_secs / (adp->heads * adp->sectors),
adp->heads, adp->sectors, DEV_BSIZE);
printf("ad%d: %d secs/int, %d depth queue, %s\n",
adp->lun, adp->transfersize / DEV_BSIZE, adp->num_tags,
@ -289,7 +289,7 @@ adopen(dev_t dev, int32_t flags, int32_t fmt, struct proc *p)
dl->d_secsize = DEV_BSIZE;
dl->d_nsectors = adp->sectors;
dl->d_ntracks = adp->heads;
dl->d_ncylinders = adp->cylinders;
dl->d_ncylinders = adp->total_secs / (adp->heads * adp->sectors);
dl->d_secpercyl = adp->sectors * adp->heads;
dl->d_secperunit = adp->total_secs;
return 0;

3
sys/dev/ata/ata-disk.h
View file

@ -133,10 +133,9 @@ struct ad_softc {
struct ata_params *ata_parm; /* ata device params */
int32_t unit; /* ATA_MASTER or ATA_SLAVE */
int32_t lun; /* logical unit number */
u_int16_t cylinders; /* disk geometry (probed) */
u_int32_t total_secs; /* total # of sectors (LBA) */
u_int8_t heads;
u_int8_t sectors;
u_int32_t total_secs; /* total # of sectors (LBA) */
u_int32_t transfersize; /* size of each transfer */
u_int32_t num_tags; /* number of tags supported */
u_int32_t flags; /* drive flags */