drivers/ide/ide-floppy_proc.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/kernel.h>
   3 #include <linux/export.h>
   4 #include <linux/ide.h>
   5 #include <linux/seq_file.h>
   6
   7 #include "ide-floppy.h"
   8
   9 static int idefloppy_capacity_proc_show(struct seq_file *m, void *v)
  10 {
  11         ide_drive_t*drive = (ide_drive_t *)m->private;
  12
  13         seq_printf(m, "%llu\n", (long long)ide_gd_capacity(drive));
  14         return 0;
  15 }
  16
  17 static int idefloppy_capacity_proc_open(struct inode *inode, struct file *file)
  18 {
  19         return single_open(file, idefloppy_capacity_proc_show, PDE_DATA(inode));
  20 }
  21
  22 static const struct file_operations idefloppy_capacity_proc_fops = {
  23         .owner          = THIS_MODULE,
  24         .open           = idefloppy_capacity_proc_open,
  25         .read           = seq_read,
  26         .llseek         = seq_lseek,
  27         .release        = single_release,
  28 };
  29
  30 ide_proc_entry_t ide_floppy_proc[] = {
  31         { "capacity",   S_IFREG|S_IRUGO, &idefloppy_capacity_proc_fops  },
  32         { "geometry",   S_IFREG|S_IRUGO, &ide_geometry_proc_fops        },
  33         {}
  34 };
  35
  36 ide_devset_rw_field(bios_cyl, bios_cyl);
  37 ide_devset_rw_field(bios_head, bios_head);
  38 ide_devset_rw_field(bios_sect, bios_sect);
  39 ide_devset_rw_field(ticks, pc_delay);
  40
  41 const struct ide_proc_devset ide_floppy_settings[] = {
  42         IDE_PROC_DEVSET(bios_cyl,  0, 1023),
  43         IDE_PROC_DEVSET(bios_head, 0,  255),
  44         IDE_PROC_DEVSET(bios_sect, 0,   63),
  45         IDE_PROC_DEVSET(ticks,     0,  255),
  46         { NULL },
  47 };