release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/ide/ide-floppy_proc.c

   1 #include <linux/kernel.h>
   2 #include <linux/ide.h>
   3 #include <linux/seq_file.h>
   4
   5 #include "ide-floppy.h"
   6
   7 static int idefloppy_capacity_proc_show(struct seq_file *m, void *v)
   8 {
   9         ide_drive_t*drive = (ide_drive_t *)m->private;
  10
  11         seq_printf(m, "%llu\n", (long long)ide_gd_capacity(drive));
  12         return 0;
  13 }
  14
  15 static int idefloppy_capacity_proc_open(struct inode *inode, struct file *file)
  16 {
  17         return single_open(file, idefloppy_capacity_proc_show, PDE(inode)->data);
  18 }
  19
  20 static const struct file_operations idefloppy_capacity_proc_fops = {
  21         .owner          = THIS_MODULE,
  22         .open           = idefloppy_capacity_proc_open,
  23         .read           = seq_read,
  24         .llseek         = seq_lseek,
  25         .release        = single_release,
  26 };
  27
  28 ide_proc_entry_t ide_floppy_proc[] = {
  29         { "capacity",   S_IFREG|S_IRUGO, &idefloppy_capacity_proc_fops  },
  30         { "geometry",   S_IFREG|S_IRUGO, &ide_geometry_proc_fops        },
  31         {}
  32 };
  33
  34 ide_devset_rw_field(bios_cyl, bios_cyl);
  35 ide_devset_rw_field(bios_head, bios_head);
  36 ide_devset_rw_field(bios_sect, bios_sect);
  37 ide_devset_rw_field(ticks, pc_delay);
  38
  39 const struct ide_proc_devset ide_floppy_settings[] = {
  40         IDE_PROC_DEVSET(bios_cyl,  0, 1023),
  41         IDE_PROC_DEVSET(bios_head, 0,  255),
  42         IDE_PROC_DEVSET(bios_sect, 0,   63),
  43         IDE_PROC_DEVSET(ticks,     0,  255),
  44         { NULL },
  45 };