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Differential D10302 Diff 27176 sys/boot/userboot/userboot/userboot_disk.c

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sys/boot/userboot/userboot/userboot_disk.c

Show First 20 Lines • Show All 85 Lines • ▼ Show 20 Linesuserdisk_init(void)
userdisk_maxunit = userboot_disk_maxunit; userdisk_maxunit = userboot_disk_maxunit;
if (userdisk_maxunit > 0) { if (userdisk_maxunit > 0) {
ud_info = malloc(sizeof(*ud_info) * userdisk_maxunit); ud_info = malloc(sizeof(*ud_info) * userdisk_maxunit);
if (ud_info == NULL) if (ud_info == NULL)
return (ENOMEM); return (ENOMEM);
for (i = 0; i < userdisk_maxunit; i++) { for (i = 0; i < userdisk_maxunit; i++) {
if (CALLBACK(diskioctl, i, DIOCGSECTORSIZE, if (CALLBACK(diskioctl, i, DIOCGSECTORSIZE,
&sectorsize) != NULL || CALLBACK(diskioctl, i, &sectorsize) != 0 || CALLBACK(diskioctl, i,
DIOCGMEDIASIZE, &mediasize) != NULL) DIOCGMEDIASIZE, &mediasize) != 0)
return (ENXIO); return (ENXIO);
ud_info[i].mediasize = mediasize; ud_info[i].mediasize = mediasize;
ud_info[i].sectorsize = sectorsize; ud_info[i].sectorsize = sectorsize;
ud_info[i].ud_open = 0; ud_info[i].ud_open = 0;
ud_info[i].ud_bcache = NULL; ud_info[i].ud_bcache = NULL;
} }
} }
bcache_add_dev(userdisk_maxunit); bcache_add_dev(userdisk_maxunit);
▲ Show 20 Lines • Show All 121 Lines • ▼ Show 20 Lines if (rsize)
*rsize = size - resid; *rsize = size - resid;
return (0); return (0);
} }
static int static int
userdisk_ioctl(struct open_file *f, u_long cmd, void *data) userdisk_ioctl(struct open_file *f, u_long cmd, void *data)
{ {
struct disk_devdesc *dev; struct disk_devdesc *dev;
int rc;
dev = (struct disk_devdesc *)f->f_devdata; dev = (struct disk_devdesc *)f->f_devdata;
rc = disk_ioctl(dev, cmd, data);
if (rc != ENOTTY)
return (rc);
return (CALLBACK(diskioctl, dev->d_unit, cmd, data)); return (CALLBACK(diskioctl, dev->d_unit, cmd, data));
} }