Release 4.14 drivers/zorro/proc.c

// SPDX-License-Identifier: GPL-2.0
/*
 *      Procfs interface for the Zorro bus.
 *
 *      Copyright (C) 1998-2003 Geert Uytterhoeven
 *
 *      Heavily based on the procfs interface for the PCI bus, which is
 *
 *      Copyright (C) 1997, 1998 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
 */

#include <linux/types.h>
#include <linux/zorro.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/export.h>

#include <asm/byteorder.h>
#include <linux/uaccess.h>
#include <asm/amigahw.h>
#include <asm/setup.h>


static loff_t

proc_bus_zorro_lseek(struct file *file, loff_t off, int whence)
{
	return fixed_size_llseek(file, off, whence, sizeof(struct ConfigDev));
}

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Al Viro
7
21.21%
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50.00%
Geert Uytterhoeven
2
6.06%
1
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static ssize_t

proc_bus_zorro_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
{
	struct zorro_dev *z = PDE_DATA(file_inode(file));
	struct ConfigDev cd;
	loff_t pos = *ppos;

	if (pos >= sizeof(struct ConfigDev))
		return 0;
	if (nbytes >= sizeof(struct ConfigDev))
		nbytes = sizeof(struct ConfigDev);
	if (pos + nbytes > sizeof(struct ConfigDev))
		nbytes = sizeof(struct ConfigDev) - pos;

	/* Construct a ConfigDev */
	memset(&cd, 0, sizeof(cd));
	cd.cd_Rom = z->rom;
	cd.cd_SlotAddr = cpu_to_be16(z->slotaddr);
	cd.cd_SlotSize = cpu_to_be16(z->slotsize);
	cd.cd_BoardAddr = cpu_to_be32(zorro_resource_start(z));
	cd.cd_BoardSize = cpu_to_be32(zorro_resource_len(z));

	if (copy_to_user(buf, (void *)&cd + pos, nbytes))
		return -EFAULT;
	*ppos += nbytes;

	return nbytes;
}

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158
80.20%
2
20.00%
Geert Uytterhoeven
19
9.64%
3
30.00%
Andrew Morton
11
5.58%
1
10.00%
Al Viro
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4.57%
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static const struct file_operations proc_bus_zorro_operations = {
	.owner		= THIS_MODULE,
	.llseek		= proc_bus_zorro_lseek,
	.read		= proc_bus_zorro_read,
};



static void * zorro_seq_start(struct seq_file *m, loff_t *pos)
{
	return (*pos < zorro_num_autocon) ? pos : NULL;
}

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23
82.14%
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33.33%
Linus Torvalds (pre-git)
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17.86%
2
66.67%
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28
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100.00%



static void * zorro_seq_next(struct seq_file *m, void *v, loff_t *pos)
{
	(*pos)++;
	return (*pos < zorro_num_autocon) ? pos : NULL;
}

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Linus Torvalds (pre-git)
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static void zorro_seq_stop(struct seq_file *m, void *v)
{
}

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Linus Torvalds (pre-git)
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7.14%
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static int zorro_seq_show(struct seq_file *m, void *v)
{
	unsigned int slot = *(loff_t *)v;
	struct zorro_dev *z = &zorro_autocon[slot];

	seq_printf(m, "%02x\t%08x\t%08lx\t%08lx\t%02x\n", slot, z->id,
		   (unsigned long)zorro_resource_start(z),
		   (unsigned long)zorro_resource_len(z),
		   z->rom.er_Type);
	return 0;
}

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Alexey Dobriyan
23
29.87%
1
16.67%
Andrew Morton
11
14.29%
1
16.67%
Geert Uytterhoeven
10
12.99%
2
33.33%
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6
100.00%


static const struct seq_operations zorro_devices_seq_ops = {
	.start = zorro_seq_start,
	.next  = zorro_seq_next,
	.stop  = zorro_seq_stop,
	.show  = zorro_seq_show,
};



static int zorro_devices_proc_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &zorro_devices_seq_ops);
}

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1
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25
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static const struct file_operations zorro_devices_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= zorro_devices_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};


static struct proc_dir_entry *proc_bus_zorro_dir;



static int __init zorro_proc_attach_device(unsigned int slot)
{
	struct proc_dir_entry *entry;
	char name[4];

	sprintf(name, "%02x", slot);
	entry = proc_create_data(name, 0, proc_bus_zorro_dir,
				 &proc_bus_zorro_operations,
				 &zorro_autocon[slot]);
	if (!entry)
		return -ENOMEM;
	proc_set_size(entry, sizeof(struct zorro_dev));
	return 0;
}

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Denis V. Lunev
10
13.51%
1
14.29%
David Howells
4
5.41%
1
14.29%
Geert Uytterhoeven
2
2.70%
1
14.29%
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static int __init zorro_proc_init(void)
{
	unsigned int slot;

	if (MACH_IS_AMIGA && AMIGAHW_PRESENT(ZORRO)) {
		proc_bus_zorro_dir = proc_mkdir("bus/zorro", NULL);
		proc_create("devices", 0, proc_bus_zorro_dir,
			    &zorro_devices_proc_fops);
		for (slot = 0; slot < zorro_num_autocon; slot++)
			zorro_proc_attach_device(slot);
	}
	return 0;
}

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5
62.50%
Alexey Dobriyan
5
7.58%
2
25.00%
Geert Uytterhoeven
2
3.03%
1
12.50%
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8
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device_initcall(zorro_proc_init);
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25.81%
Alexey Dobriyan
181
26.66%
2
6.45%
Geert Uytterhoeven
38
5.60%
6
19.35%
Andrew Morton
22
3.24%
1
3.23%
Al Viro
16
2.36%
5
16.13%
Denis V. Lunev
15
2.21%
1
3.23%
David Howells
4
0.59%
1
3.23%
Art Haas
4
0.59%
1
3.23%
Paul Gortmaker
3
0.44%
1
3.23%
Greg Kroah-Hartman
1
0.15%
1
3.23%
Robert P. J. Day
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0.15%
1
3.23%
Adrian Bunk
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Arjan van de Ven
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Linus Torvalds
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Directory: drivers/zorro

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