ide-floppy_proc.c

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#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/ide.h>
#include <linux/seq_file.h>

#include "ide-floppy.h"

static int idefloppy_capacity_proc_show(struct seq_file *m, void *v)
{
    ide_drive_t*drive = (ide_drive_t *)m->private;

    seq_printf(m, "%llu\n", (long long)ide_gd_capacity(drive));
    return 0;
}

static int idefloppy_capacity_proc_open(struct inode *inode, struct file *file)
{
    return single_open(file, idefloppy_capacity_proc_show, PDE(inode)->data);
}

static const struct file_operations idefloppy_capacity_proc_fops = {
    .owner      = THIS_MODULE,
    .open       = idefloppy_capacity_proc_open,
    .read       = seq_read,
    .llseek     = seq_lseek,
    .release    = single_release,
};

ide_proc_entry_t ide_floppy_proc[] = {
    { "capacity",   S_IFREG|S_IRUGO, &idefloppy_capacity_proc_fops  },
    { "geometry",   S_IFREG|S_IRUGO, &ide_geometry_proc_fops    },
    {}
};

ide_devset_rw_field(bios_cyl, bios_cyl);
ide_devset_rw_field(bios_head, bios_head);
ide_devset_rw_field(bios_sect, bios_sect);
ide_devset_rw_field(ticks, pc_delay);

const struct ide_proc_devset ide_floppy_settings[] = {
    IDE_PROC_DEVSET(bios_cyl,  0, 1023),
    IDE_PROC_DEVSET(bios_head, 0,  255),
    IDE_PROC_DEVSET(bios_sect, 0,   63),
    IDE_PROC_DEVSET(ticks,     0,  255),
    { NULL },
};