system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-09-23 10:14:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

The size of the disk can't be gotten reliably with the read capacity

Browse source 
command, so use the info from the TOC instead.
This commit is contained in:
Søren Schmidt 2001-03-21 14:59:38 +00:00
parent 58dae109b5
commit 0aef91a149
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=74579
2 changed files with 12 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
sys/dev/ata/atapi-cd.c
View file

@ -1174,7 +1174,7 @@ acd_start(struct atapi_softc *atp)
}
else {
blocksize = cdp->block_size;
lastlba = cdp->info.volsize;
lastlba = cdp->disk_size;
}
count = (bp->bio_bcount + (blocksize - 1)) / blocksize;
@ -1247,7 +1247,6 @@ acd_read_toc(struct acd_softc *cdp)
int8_t ccb[16];
bzero(&cdp->toc, sizeof(cdp->toc));
bzero(&cdp->info, sizeof(cdp->info));
bzero(ccb, sizeof(ccb));
if (atapi_test_ready(cdp->atp) != 0)
@ -1280,18 +1279,10 @@ acd_read_toc(struct acd_softc *cdp)
bzero(&cdp->toc, sizeof(cdp->toc));
return;
}
cdp->toc.hdr.len = ntohs(cdp->toc.hdr.len);
bzero(ccb, sizeof(ccb));
ccb[0] = ATAPI_READ_CAPACITY;
if (atapi_queue_cmd(cdp->atp, ccb, (caddr_t)&cdp->info, sizeof(cdp->info),
ATPR_F_READ, 30, NULL, NULL))
bzero(&cdp->info, sizeof(cdp->info));
cdp->info.volsize = ntohl(cdp->info.volsize);
cdp->info.blksize = ntohl(cdp->info.blksize);
cdp->block_size = (cdp->toc.tab[0].control & 4) ? 2048 : 2352;
cdp->disk_size = ntohl(cdp->toc.tab[cdp->toc.hdr.ending_track].addr.lba);
bzero(&cdp->disklabel, sizeof(struct disklabel));
strncpy(cdp->disklabel.d_typename, " ",
@ -1302,18 +1293,18 @@ acd_read_toc(struct acd_softc *cdp)
sizeof(cdp->disklabel.d_typename) - 1));
strncpy(cdp->disklabel.d_packname, "unknown ",
sizeof(cdp->disklabel.d_packname));
cdp->disklabel.d_secsize = cdp->info.blksize;
cdp->disklabel.d_secsize = cdp->block_size;
cdp->disklabel.d_nsectors = 100;
cdp->disklabel.d_ntracks = 1;
cdp->disklabel.d_ncylinders = (cdp->info.volsize/100)+1;
cdp->disklabel.d_ncylinders = (cdp->disk_size / 100) + 1;
cdp->disklabel.d_secpercyl = 100;
cdp->disklabel.d_secperunit = cdp->info.volsize;
cdp->disklabel.d_secperunit = cdp->disk_size;
cdp->disklabel.d_rpm = 300;
cdp->disklabel.d_interleave = 1;
cdp->disklabel.d_flags = D_REMOVABLE;
cdp->disklabel.d_npartitions = 1;
cdp->disklabel.d_partitions[0].p_offset = 0;
cdp->disklabel.d_partitions[0].p_size = cdp->info.volsize;
cdp->disklabel.d_partitions[0].p_size = cdp->disk_size;
cdp->disklabel.d_partitions[0].p_fstype = FS_BSDFFS;
cdp->disklabel.d_magic = DISKMAGIC;
cdp->disklabel.d_magic2 = DISKMAGIC;
@ -1336,16 +1327,16 @@ acd_read_toc(struct acd_softc *cdp)
}
#ifdef ACD_DEBUG
if (cdp->info.volsize && cdp->toc.hdr.ending_track) {
if (cdp->disk_size && cdp->toc.hdr.ending_track) {
ata_printf(cdp->atp->controller, cdp->atp->unit,
"(%d sectors (%d bytes)), %d tracks ",
cdp->info.volsize, cdp->info.blksize,
cdp->disk_size, cdp->block_size,
cdp->toc.hdr.ending_track - cdp->toc.hdr.starting_track + 1);
if (cdp->toc.tab[0].control & 4)
printf("%dMB\n", cdp->info.volsize / 512);
printf("%dMB\n", cdp->disk_size / 512);
else
printf("%d:%d audio\n", cdp->info.volsize / 75 / 60,
cdp->info.volsize / 75 % 60);
printf("%d:%d audio\n",
cdp->disk_size / 75 / 60, cdp->disk_size / 75 % 60);
}
#endif
}

5
sys/dev/ata/atapi-cd.h
View file

@ -308,10 +308,6 @@ struct acd_softc {
struct bio_queue_head queue; /* queue of i/o requests */
TAILQ_HEAD(, acd_devlist) dev_list; /* list of "track" devices */
struct toc toc; /* table of disc contents */
struct {
u_int32_t volsize; /* volume size in blocks */
u_int32_t blksize; /* block size in bytes */
} info;
struct audiopage au; /* audio page info */
struct audiopage aumask; /* audio page mask */
struct cappage cap; /* capabilities page info */
@ -330,6 +326,7 @@ struct acd_softc {
struct acd_softc **driver; /* softc's of changer slots */
int slot; /* this instance slot number */
time_t timestamp; /* this instance timestamp */
int disk_size; /* size of current media */
int block_size; /* blocksize currently used */
struct disklabel disklabel; /* fake disk label */
struct devstat *stats; /* devstat entry */