summaryrefslogtreecommitdiff
path: root/linux/dev/drivers/scsi
diff options
context:
space:
mode:
authorThomas Schwinge <tschwinge@gnu.org>2006-10-08 13:43:51 +0000
committerThomas Schwinge <tschwinge@gnu.org>2009-06-18 00:26:42 +0200
commit143ee06bfad83cdf9395da4c975668086e41cf4a (patch)
treeec8a1c1e3c61792e91676b320d673901d706baff /linux/dev/drivers/scsi
parentb07c6b082f978e1e9944f63670467d8ed0d9ea76 (diff)
2006-10-08 Thomas Schwinge <tschwinge@gnu.org>
* linux/dev/drivers/scsi/sd_ioctl.c: Move file... * linux/src/drivers/scsi/sd_ioctl.c: ... here.
Diffstat (limited to 'linux/dev/drivers/scsi')
-rw-r--r--linux/dev/drivers/scsi/sd_ioctl.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/linux/dev/drivers/scsi/sd_ioctl.c b/linux/dev/drivers/scsi/sd_ioctl.c
deleted file mode 100644
index 4c58f04..0000000
--- a/linux/dev/drivers/scsi/sd_ioctl.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * drivers/scsi/sd_ioctl.c
- *
- * ioctl handling for SCSI disks
- */
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <linux/hdreg.h>
-#include <linux/errno.h>
-
-#include <asm/segment.h>
-
-#include <linux/blk.h>
-#include "scsi.h"
-#include <scsi/scsi_ioctl.h>
-#include "hosts.h"
-#include "sd.h"
-#include <scsi/scsicam.h> /* must follow "hosts.h" */
-
-int sd_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg)
-{
- kdev_t dev = inode->i_rdev;
- int error;
- struct Scsi_Host * host;
- int diskinfo[4];
- struct hd_geometry *loc = (struct hd_geometry *) arg;
-
- switch (cmd) {
- case HDIO_GETGEO: /* Return BIOS disk parameters */
- if (!loc) return -EINVAL;
-#ifndef MACH
- error = verify_area(VERIFY_WRITE, loc, sizeof(*loc));
- if (error)
- return error;
-#endif
- host = rscsi_disks[MINOR(dev) >> 4].device->host;
-
-/* default to most commonly used values */
-
- diskinfo[0] = 0x40;
- diskinfo[1] = 0x20;
- diskinfo[2] = rscsi_disks[MINOR(dev) >> 4].capacity >> 11;
-
-/* override with calculated, extended default, or driver values */
-
- if(host->hostt->bios_param != NULL)
- host->hostt->bios_param(&rscsi_disks[MINOR(dev) >> 4],
- dev,
- &diskinfo[0]);
- else scsicam_bios_param(&rscsi_disks[MINOR(dev) >> 4],
- dev, &diskinfo[0]);
-
-#ifdef MACH
- loc->heads = diskinfo[0];
- loc->sectors = diskinfo[1];
- loc->cylinders = diskinfo[2];
- loc->start = sd[MINOR(inode->i_rdev)].start_sect;
-#else
- put_user(diskinfo[0], &loc->heads);
- put_user(diskinfo[1], &loc->sectors);
- put_user(diskinfo[2], &loc->cylinders);
- put_user(sd[MINOR(inode->i_rdev)].start_sect, &loc->start);
-#endif
- return 0;
- case BLKGETSIZE: /* Return device size */
- if (!arg) return -EINVAL;
- error = verify_area(VERIFY_WRITE, (long *) arg, sizeof(long));
- if (error)
- return error;
- put_user(sd[MINOR(inode->i_rdev)].nr_sects,
- (long *) arg);
- return 0;
-
- case BLKRASET:
- if (!suser())
- return -EACCES;
- if(!(inode->i_rdev)) return -EINVAL;
- if(arg > 0xff) return -EINVAL;
- read_ahead[MAJOR(inode->i_rdev)] = arg;
- return 0;
-
- case BLKRAGET:
- if (!arg)
- return -EINVAL;
- error = verify_area(VERIFY_WRITE, (int *) arg, sizeof(int));
- if (error)
- return error;
- put_user(read_ahead[MAJOR(inode->i_rdev)], (int *) arg);
- return 0;
-
- case BLKFLSBUF:
- if(!suser()) return -EACCES;
- if(!(inode->i_rdev)) return -EINVAL;
- fsync_dev(inode->i_rdev);
- invalidate_buffers(inode->i_rdev);
- return 0;
-
- case BLKRRPART: /* Re-read partition tables */
- return revalidate_scsidisk(dev, 1);
-
- RO_IOCTLS(dev, arg);
-
- default:
- return scsi_ioctl(rscsi_disks[MINOR(dev) >> 4].device , cmd, (void *) arg);
- }
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-indent-level: 4
- * c-brace-imaginary-offset: 0
- * c-brace-offset: -4
- * c-argdecl-indent: 4
- * c-label-offset: -4
- * c-continued-statement-offset: 4
- * c-continued-brace-offset: 0
- * indent-tabs-mode: nil
- * tab-width: 8
- * End:
- */