Release 4.12 drivers/ide/ide-proc.c

/*
 *  Copyright (C) 1997-1998     Mark Lord
 *  Copyright (C) 2003          Red Hat
 *
 *  Some code was moved here from ide.c, see it for original copyrights.
 */

/*
 * This is the /proc/ide/ filesystem implementation.
 *
 * Drive/Driver settings can be retrieved by reading the drive's
 * "settings" files.  e.g.    "cat /proc/ide0/hda/settings"
 * To write a new value "val" into a specific setting "name", use:
 *   echo "name:val" >/proc/ide/ide0/hda/settings
 */

#include <linux/module.h>

#include <linux/uaccess.h>
#include <linux/errno.h>
#include <linux/proc_fs.h>
#include <linux/stat.h>
#include <linux/mm.h>
#include <linux/pci.h>
#include <linux/ctype.h>
#include <linux/ide.h>
#include <linux/seq_file.h>
#include <linux/slab.h>

#include <asm/io.h>


static struct proc_dir_entry *proc_ide_root;



static int ide_imodel_proc_show(struct seq_file *m, void *v)
{
	ide_hwif_t	*hwif = (ide_hwif_t *) m->private;
	const char	*name;

	switch (hwif->chipset) {
	case ide_generic:	name = "generic";	break;
	case ide_pci:		name = "pci";		break;
	case ide_cmd640:	name = "cmd640";	break;
	case ide_dtc2278:	name = "dtc2278";	break;
	case ide_ali14xx:	name = "ali14xx";	break;
	case ide_qd65xx:	name = "qd65xx";	break;
	case ide_umc8672:	name = "umc8672";	break;
	case ide_ht6560b:	name = "ht6560b";	break;
	case ide_4drives:	name = "4drives";	break;
	case ide_pmac:		name = "mac-io";	break;
	case ide_au1xxx:	name = "au1xxx";	break;
	case ide_palm3710:      name = "palm3710";      break;
	case ide_acorn:		name = "acorn";		break;
	default:		name = "(unknown)";	break;
	}
	seq_printf(m, "%s\n", name);
	return 0;
}

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125
77.16%
2
33.33%
Alexey Dobriyan
13
8.02%
1
16.67%
Pete Popov
8
4.94%
1
16.67%
Anton Salnikov
8
4.94%
1
16.67%
Mika Kukkonen
8
4.94%
1
16.67%
Total
162
100.00%
6
100.00%



static int ide_imodel_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, ide_imodel_proc_show, PDE_DATA(inode));
}

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22
75.86%
1
25.00%
Jens Axboe
5
17.24%
1
25.00%
Bartlomiej Zolnierkiewicz
1
3.45%
1
25.00%
Al Viro
1
3.45%
1
25.00%
Total
29
100.00%
4
100.00%


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



static int ide_mate_proc_show(struct seq_file *m, void *v)
{
	ide_hwif_t	*hwif = (ide_hwif_t *) m->private;

	if (hwif && hwif->mate)
		seq_printf(m, "%s\n", hwif->mate->name);
	else
		seq_printf(m, "(none)\n");
	return 0;
}

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42
71.19%
2
66.67%
Alexey Dobriyan
17
28.81%
1
33.33%
Total
59
100.00%
3
100.00%



static int ide_mate_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, ide_mate_proc_show, PDE_DATA(inode));
}

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22
75.86%
1
25.00%
Jens Axboe
5
17.24%
1
25.00%
Al Viro
1
3.45%
1
25.00%
Bartlomiej Zolnierkiewicz
1
3.45%
1
25.00%
Total
29
100.00%
4
100.00%


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



static int ide_channel_proc_show(struct seq_file *m, void *v)
{
	ide_hwif_t	*hwif = (ide_hwif_t *) m->private;

	seq_printf(m, "%c\n", hwif->channel ? '1' : '0');
	return 0;
}

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26
57.78%
2
66.67%
Alexey Dobriyan
19
42.22%
1
33.33%
Total
45
100.00%
3
100.00%



static int ide_channel_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, ide_channel_proc_show, PDE_DATA(inode));
}

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22
75.86%
1
20.00%
Jens Axboe
5
17.24%
2
40.00%
Bartlomiej Zolnierkiewicz
1
3.45%
1
20.00%
Al Viro
1
3.45%
1
20.00%
Total
29
100.00%
5
100.00%


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



static int ide_identify_proc_show(struct seq_file *m, void *v)
{
	ide_drive_t *drive = (ide_drive_t *)m->private;
	u8 *buf;

	if (!drive) {
		seq_putc(m, '\n');
		return 0;
	}

	buf = kmalloc(SECTOR_SIZE, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;
	if (taskfile_lib_get_identify(drive, buf) == 0) {
		__le16 *val = (__le16 *)buf;
		int i;

		for (i = 0; i < SECTOR_SIZE / 2; i++) {
			seq_printf(m, "%04x%c", le16_to_cpu(val[i]),
					(i % 8) == 7 ? '\n' : ' ');
		}
	} else
		seq_putc(m, buf[0]);
	kfree(buf);
	return 0;
}

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Alexey Dobriyan
96
61.94%
1
25.00%
Jens Axboe
44
28.39%
2
50.00%
Alan Cox
15
9.68%
1
25.00%
Total
155
100.00%
4
100.00%



static int ide_identify_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, ide_identify_proc_show, PDE_DATA(inode));
}

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Alexey Dobriyan
24
82.76%
1
25.00%
Jens Axboe
4
13.79%
2
50.00%
Al Viro
1
3.45%
1
25.00%
Total
29
100.00%
4
100.00%


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

/**
 *      ide_find_setting        -       find a specific setting
 *      @st: setting table pointer
 *      @name: setting name
 *
 *      Scan's the setting table for a matching entry and returns
 *      this or NULL if no entry is found. The caller must hold the
 *      setting semaphore
 */


static

const struct ide_proc_devset *ide_find_setting(const struct ide_proc_devset *st,
					       char *name)
{
	while (st->name) {
		if (strcmp(st->name, name) == 0)
			break;
		st++;
	}
	return st->name ? st : NULL;
}

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Bartlomiej Zolnierkiewicz
43
81.13%
2
66.67%
Elias Oltmanns
10
18.87%
1
33.33%
Total
53
100.00%
3
100.00%

/**
 *      ide_read_setting        -       read an IDE setting
 *      @drive: drive to read from
 *      @setting: drive setting
 *
 *      Read a drive setting and return the value. The caller
 *      must hold the ide_setting_mtx when making this call.
 *
 *      BUGS: the data return and error are the same return value
 *      so an error -EINVAL and true return of the same value cannot
 *      be told apart
 */



static int ide_read_setting(ide_drive_t *drive,
			    const struct ide_proc_devset *setting)
{
	const struct ide_devset *ds = setting->setting;
	int val = -EINVAL;

	if (ds->get)
		val = ds->get(drive);

	return val;
}

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Bartlomiej Zolnierkiewicz
36
72.00%
2
66.67%
Elias Oltmanns
14
28.00%
1
33.33%
Total
50
100.00%
3
100.00%

/**
 *      ide_write_setting       -       read an IDE setting
 *      @drive: drive to read from
 *      @setting: drive setting
 *      @val: value
 *
 *      Write a drive setting if it is possible. The caller
 *      must hold the ide_setting_mtx when making this call.
 *
 *      BUGS: the data return and error are the same return value
 *      so an error -EINVAL and true return of the same value cannot
 *      be told apart
 *
 *      FIXME:  This should be changed to enqueue a special request
 *      to the driver to change settings, and then wait on a sema for completion.
 *      The current scheme of polling is kludgy, though safe enough.
 */



static int ide_write_setting(ide_drive_t *drive,
			     const struct ide_proc_devset *setting, int val)
{
	const struct ide_devset *ds = setting->setting;

	if (!capable(CAP_SYS_ADMIN))
		return -EACCES;
	if (!ds->set)
		return -EPERM;
	if ((ds->flags & DS_SYNC)
	    && (val < setting->min || val > setting->max))
		return -EINVAL;
	return ide_devset_execute(drive, ds, val);
}

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Bartlomiej Zolnierkiewicz
67
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23
25.56%
1
33.33%
Total
90
100.00%
3
100.00%

ide_devset_get(xfer_rate, current_speed);



static int set_xfer_rate (ide_drive_t *drive, int arg)
{
	struct ide_cmd cmd;

	if (arg < XFER_PIO_0 || arg > XFER_UDMA_6)
		return -EINVAL;

	memset(&cmd, 0, sizeof(cmd));
	cmd.tf.command = ATA_CMD_SET_FEATURES;
	cmd.tf.feature = SETFEATURES_XFER;
	cmd.tf.nsect   = (u8)arg;
	cmd.valid.out.tf = IDE_VALID_FEATURE | IDE_VALID_NSECT;
	cmd.valid.in.tf  = IDE_VALID_NSECT;
	cmd.tf_flags   = IDE_TFLAG_SET_XFER;

	return ide_no_data_taskfile(drive, &cmd);
}

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Bartlomiej Zolnierkiewicz
91
84.26%
6
85.71%
Sergei Shtylyov
17
15.74%
1
14.29%
Total
108
100.00%
7
100.00%

ide_devset_rw(current_speed, xfer_rate);
ide_devset_rw_field(init_speed, init_speed);
ide_devset_rw_flag(nice1, IDE_DFLAG_NICE1);
ide_devset_rw_field(number, dn);


static const struct ide_proc_devset ide_generic_settings[] = {
	IDE_PROC_DEVSET(current_speed, 0, 70),
	IDE_PROC_DEVSET(init_speed, 0, 70),
	IDE_PROC_DEVSET(io_32bit,  0, 1 + (SUPPORT_VLB_SYNC << 1)),
	IDE_PROC_DEVSET(keepsettings, 0, 1),
	IDE_PROC_DEVSET(nice1, 0, 1),
	IDE_PROC_DEVSET(number, 0, 3),
	IDE_PROC_DEVSET(pio_mode, 0, 255),
	IDE_PROC_DEVSET(unmaskirq, 0, 1),
	IDE_PROC_DEVSET(using_dma, 0, 1),
	{ NULL },
};



static void proc_ide_settings_warn(void)
{
	printk_once(KERN_WARNING "Warning: /proc/ide/hd?/settings interface is "
			    "obsolete, and will be removed soon!\n");
}

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Bartlomiej Zolnierkiewicz
14
93.33%
1
50.00%
Marcin Ślusarz
1
6.67%
1
50.00%
Total
15
100.00%
2
100.00%



static int ide_settings_proc_show(struct seq_file *m, void *v)
{
	const struct ide_proc_devset *setting, *g, *d;
	const struct ide_devset *ds;
	ide_drive_t	*drive = (ide_drive_t *) m->private;
	int		rc, mul_factor, div_factor;

	proc_ide_settings_warn();

	mutex_lock(&ide_setting_mtx);
	g = ide_generic_settings;
	d = drive->settings;
	seq_printf(m, "name\t\t\tvalue\t\tmin\t\tmax\t\tmode\n");
	seq_printf(m, "----\t\t\t-----\t\t---\t\t---\t\t----\n");
	while (g->name || (d && d->name)) {
		/* read settings in the alphabetical order */
		if (g->name && d && d->name) {
			if (strcmp(d->name, g->name) < 0)
				setting = d++;
			else
				setting = g++;
		} else if (d && d->name) {
			setting = d++;
		} else
			setting = g++;
		mul_factor = setting->mulf ? setting->mulf(drive) : 1;
		div_factor = setting->divf ? setting->divf(drive) : 1;
		seq_printf(m, "%-24s", setting->name);
		rc = ide_read_setting(drive, setting);
		if (rc >= 0)
			seq_printf(m, "%-16d", rc * mul_factor / div_factor);
		else
			seq_printf(m, "%-16s", "write-only");
		seq_printf(m, "%-16d%-16d", (setting->min * mul_factor + div_factor - 1) / div_factor, setting->max * mul_factor / div_factor);
		ds = setting->setting;
		if (ds->get)
			seq_printf(m, "r");
		if (ds->set)
			seq_printf(m, "w");
		seq_printf(m, "\n");
	}
	mutex_unlock(&ide_setting_mtx);
	return 0;
}

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Jens Axboe
139
43.44%
2
18.18%
Bartlomiej Zolnierkiewicz
108
33.75%
4
36.36%
Alexey Dobriyan
30
9.38%
1
9.09%
Elias Oltmanns
27
8.44%
1
9.09%
Alan Cox
8
2.50%
1
9.09%
Matthias Kaehlcke
4
1.25%
1
9.09%
Paolo Ciarrocchi
4
1.25%
1
9.09%
Total
320
100.00%
11
100.00%



static int ide_settings_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, ide_settings_proc_show, PDE_DATA(inode));
}

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Alexey Dobriyan
23
79.31%
1
33.33%
Jens Axboe
5
17.24%
1
33.33%
Al Viro
1
3.45%
1
33.33%
Total
29
100.00%
3
100.00%


#define MAX_LEN	30



static ssize_t ide_settings_proc_write(struct file *file, const char __user *buffer,
				       size_t count, loff_t *pos)
{
	ide_drive_t	*drive = PDE_DATA(file_inode(file));
	char		name[MAX_LEN + 1];
	int		for_real = 0, mul_factor, div_factor;
	unsigned long	n;

	const struct ide_proc_devset *setting;
	char *buf, *s;

	if (!capable(CAP_SYS_ADMIN))
		return -EACCES;

	proc_ide_settings_warn();

	if (count >= PAGE_SIZE)
		return -EINVAL;

	s = buf = (char *)__get_free_page(GFP_USER);
	if (!buf)
		return -ENOMEM;

	if (copy_from_user(buf, buffer, count)) {
		free_page((unsigned long)buf);
		return -EFAULT;
	}

	buf[count] = '\0';

	/*
         * Skip over leading whitespace
         */
	while (count && isspace(*s)) {
		--count;
		++s;
	}
	/*
         * Do one full pass to verify all parameters,
         * then do another to actually write the new settings.
         */
	do {
		char *p = s;
		n = count;
		while (n > 0) {
			unsigned val;
			char *q = p;

			while (n > 0 && *p != ':') {
				--n;
				p++;
			}
			if (*p != ':')
				goto parse_error;
			if (p - q > MAX_LEN)
				goto parse_error;
			memcpy(name, q, p - q);
			name[p - q] = 0;

			if (n > 0) {
				--n;
				p++;
			} else
				goto parse_error;

			val = simple_strtoul(p, &q, 10);
			n -= q - p;
			p = q;
			if (n > 0 && !isspace(*p))
				goto parse_error;
			while (n > 0 && isspace(*p)) {
				--n;
				++p;
			}

			mutex_lock(&ide_setting_mtx);
			/* generic settings first, then driver specific ones */
			setting = ide_find_setting(ide_generic_settings, name);
			if (!setting) {
				if (drive->settings)
					setting = ide_find_setting(drive->settings, name);
				if (!setting) {
					mutex_unlock(&ide_setting_mtx);
					goto parse_error;
				}
			}
			if (for_real) {
				mul_factor = setting->mulf ? setting->mulf(drive) : 1;
				div_factor = setting->divf ? setting->divf(drive) : 1;
				ide_write_setting(drive, setting, val * div_factor / mul_factor);
			}
			mutex_unlock(&ide_setting_mtx);
		}
	} while (!for_real++);
	free_page((unsigned long)buf);
	return count;
parse_error:
	free_page((unsigned long)buf);
	printk("%s(): parse error\n", __func__);
	return -EINVAL;
}

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15.38%
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133
27.25%
3
23.08%
Bartlomiej Zolnierkiewicz
74
15.16%
4
30.77%
Alan Cox
14
2.87%
1
7.69%
Alexey Dobriyan
11
2.25%
1
7.69%
Matthias Kaehlcke
6
1.23%
1
7.69%
Elias Oltmanns
1
0.20%
1
7.69%
Total
488
100.00%
13
100.00%


static const struct file_operations ide_settings_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= ide_settings_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= ide_settings_proc_write,
};



static int ide_capacity_proc_show(struct seq_file *m, void *v)
{
	seq_printf(m, "%llu\n", (long long)0x7fffffff);
	return 0;
}

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Alexey Dobriyan
13
41.94%
1
16.67%
Jens Axboe
12
38.71%
2
33.33%
Bartlomiej Zolnierkiewicz
3
9.68%
1
16.67%
David S. Miller
2
6.45%
1
16.67%
Alan Cox
1
3.23%
1
16.67%
Total
31
100.00%
6
100.00%



static int ide_capacity_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, ide_capacity_proc_show, NULL);
}

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21
80.77%
1
50.00%
Jens Axboe
5
19.23%
1
50.00%
Total
26
100.00%
2
100.00%


const struct file_operations ide_capacity_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= ide_capacity_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};

EXPORT_SYMBOL_GPL(ide_capacity_proc_fops);



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

	seq_printf(m, "physical     %d/%d/%d\n",
			drive->cyl, drive->head, drive->sect);
	seq_printf(m, "logical      %d/%d/%d\n",
			drive->bios_cyl, drive->bios_head, drive->bios_sect);
	return 0;
}

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17
25.00%
1
33.33%
Total
68
100.00%
3
100.00%



static int ide_geometry_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, ide_geometry_proc_show, PDE_DATA(inode));
}

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Alexey Dobriyan
23
79.31%
1
25.00%
Jens Axboe
5
17.24%
2
50.00%
Al Viro
1
3.45%
1
25.00%
Total
29
100.00%
4
100.00%


const struct file_operations ide_geometry_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= ide_geometry_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};

EXPORT_SYMBOL(ide_geometry_proc_fops);



static int ide_dmodel_proc_show(struct seq_file *seq, void *v)
{
	ide_drive_t	*drive = (ide_drive_t *) seq->private;
	char		*m = (char *)&drive->id[ATA_ID_PROD];

	seq_printf(seq, "%.40s\n", m[0] ? m : "(none)");
	return 0;
}

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35
56.45%
2
40.00%
Alexey Dobriyan
14
22.58%
1
20.00%
Bartlomiej Zolnierkiewicz
13
20.97%
2
40.00%
Total
62
100.00%
5
100.00%



static int ide_dmodel_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, ide_dmodel_proc_show, PDE_DATA(inode));
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Alexey Dobriyan
23
79.31%
1
33.33%
Jens Axboe
5
17.24%
1
33.33%
Al Viro
1
3.45%
1
33.33%
Total
29
100.00%
3
100.00%


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



static int ide_driver_proc_show(struct seq_file *m, void *v)
{
	ide_drive_t		*drive = (ide_drive_t *)m->private;
	struct device		*dev = &drive->gendev;
	struct ide_driver	*ide_drv;

	if (dev->driver) {
		ide_drv = to_ide_driver(dev->driver);
		seq_printf(m, "%s version %s\n",
				dev->driver->name, ide_drv->version);
	} else
		seq_printf(m, "ide-default version 0.9.newide\n");
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Bartlomiej Zolnierkiewicz
37
42.53%
4
57.14%
Jens Axboe
34
39.08%
2
28.57%
Alexey Dobriyan
16
18.39%
1
14.29%
Total
87
100.00%
7
100.00%



static int ide_driver_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, ide_driver_proc_show, PDE_DATA(inode));
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Alexey Dobriyan
23
79.31%
1
25.00%
Jens Axboe
5
17.24%
2
50.00%
Al Viro
1
3.45%
1
25.00%
Total
29
100.00%
4
100.00%



static int ide_replace_subdriver(ide_drive_t *drive, const char *driver)
{
	struct device *dev = &drive->gendev;
	int ret = 1;
	int err;

	device_release_driver(dev);
	/* FIXME: device can still be in use by previous driver */
	strlcpy(drive->driver_req, driver, sizeof(drive->driver_req));
	err = device_attach(dev);
	if (err < 0)
		printk(KERN_WARNING "IDE: %s: device_attach error: %d\n",
			__func__, err);
	drive->driver_req[0] = 0;
	if (dev->driver == NULL) {
		err = device_attach(dev);
		if (err < 0)
			printk(KERN_WARNING
				"IDE: %s: device_attach(2) error: %d\n",
				__func__, err);
	}
	if (dev->driver && !strcmp(dev->driver->name, driver))
		ret = 0;

	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Bartlomiej Zolnierkiewicz
104
71.72%
1
33.33%
Randy Dunlap
39
26.90%
1
33.33%
Harvey Harrison
2
1.38%
1
33.33%
Total
145
100.00%
3
100.00%



static ssize_t ide_driver_proc_write(struct file *file, const char __user *buffer,
				     size_t count, loff_t *pos)
{
	ide_drive_t	*drive = PDE_DATA(file_inode(file));
	char name[32];

	if (!capable(CAP_SYS_ADMIN))
		return -EACCES;
	if (count > 31)
		count = 31;
	if (copy_from_user(name, buffer, count))
		return -EFAULT;
	name[count] = '\0';
	if (ide_replace_subdriver(drive, name))
		return -EINVAL;
	return count;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
49
48.04%
2
28.57%
Al Viro
44
43.14%
3
42.86%
Alexey Dobriyan
8
7.84%
1
14.29%
Bartlomiej Zolnierkiewicz
1
0.98%
1
14.29%
Total
102
100.00%
7
100.00%


static const struct file_operations ide_driver_proc_fops = {
	.owner		= THIS_MODULE,
	.open		= ide_driver_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
	.write		= ide_driver_proc_write,
};



static int ide_media_proc_show(struct seq_file *m, void *v)
{
	ide_drive_t	*drive = (ide_drive_t *) m->private;
	const char	*media;

	switch (drive->media) {
	case ide_disk:		media = "disk\n";	break;
	case ide_cdrom:		media = "cdrom\n";	break;
	case ide_tape:		media = "tape\n";	break;
	case ide_floppy:	media = "floppy\n";	break;
	case ide_optical:	media = "optical\n";	break;
	default:		media = "UNKNOWN\n";	break;
	}
	seq_puts(m, media);
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
73
76.04%
2
40.00%
Alexey Dobriyan
22
22.92%
2
40.00%
Bartlomiej Zolnierkiewicz
1
1.04%
1
20.00%
Total
96
100.00%
5
100.00%



static int ide_media_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, ide_media_proc_show, PDE_DATA(inode));
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Alexey Dobriyan
23
79.31%
1
25.00%
Jens Axboe
5
17.24%
2
50.00%
Al Viro
1
3.45%
1
25.00%
Total
29
100.00%
4
100.00%


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


static ide_proc_entry_t generic_drive_entries[] = {
	{ "driver",	S_IFREG|S_IRUGO,	 &ide_driver_proc_fops	},
	{ "identify",	S_IFREG|S_IRUSR,	 &ide_identify_proc_fops},
	{ "media",	S_IFREG|S_IRUGO,	 &ide_media_proc_fops	},
	{ "model",	S_IFREG|S_IRUGO,	 &ide_dmodel_proc_fops	},
	{ "settings",	S_IFREG|S_IRUSR|S_IWUSR, &ide_settings_proc_fops},
	{}
};



static void ide_add_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p, void *data)
{
	struct proc_dir_entry *ent;

	if (!dir || !p)
		return;
	while (p->name != NULL) {
		ent = proc_create_data(p->name, p->mode, dir, p->proc_fops, data);
		if (!ent) return;
		p++;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
65
89.04%
2
50.00%
Alexey Dobriyan
7
9.59%
1
25.00%
Bartlomiej Zolnierkiewicz
1
1.37%
1
25.00%
Total
73
100.00%
4
100.00%



static void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p)
{
	if (!dir || !p)
		return;
	while (p->name != NULL) {
		remove_proc_entry(p->name, dir);
		p++;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
45
97.83%
2
66.67%
Bartlomiej Zolnierkiewicz
1
2.17%
1
33.33%
Total
46
100.00%
3
100.00%



void ide_proc_register_driver(ide_drive_t *drive, struct ide_driver *driver)
{
	mutex_lock(&ide_setting_mtx);
	drive->settings = driver->proc_devsets(drive);
	mutex_unlock(&ide_setting_mtx);

	ide_add_proc_entries(drive->proc, driver->proc_entries(drive), drive);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Bartlomiej Zolnierkiewicz
53
100.00%
4
100.00%
Total
53
100.00%
4
100.00%


EXPORT_SYMBOL(ide_proc_register_driver);

/**
 *      ide_proc_unregister_driver      -       remove driver specific data
 *      @drive: drive
 *      @driver: driver
 *
 *      Clean up the driver specific /proc files and IDE settings
 *      for a given drive.
 *
 *      Takes ide_setting_mtx.
 */



void ide_proc_unregister_driver(ide_drive_t *drive, struct ide_driver *driver)
{
	ide_remove_proc_entries(drive->proc, driver->proc_entries(drive));

	mutex_lock(&ide_setting_mtx);
	/*
         * ide_setting_mtx protects both the settings list and the use
         * of settings (we cannot take a setting out that is being used).
         */
	drive->settings = NULL;
	mutex_unlock(&ide_setting_mtx);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Bartlomiej Zolnierkiewicz
43
91.49%
5
83.33%
Matthias Kaehlcke
4
8.51%
1
16.67%
Total
47
100.00%
6
100.00%


EXPORT_SYMBOL(ide_proc_unregister_driver);



void ide_proc_port_register_devices(ide_hwif_t *hwif)
{
	struct proc_dir_entry *ent;
	struct proc_dir_entry *parent = hwif->proc;
	ide_drive_t *drive;
	char name[64];
	int i;

	ide_port_for_each_dev(i, drive, hwif) {
		if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
			continue;

		drive->proc = proc_mkdir(drive->name, parent);
		if (drive->proc)
			ide_add_proc_entries(drive->proc, generic_drive_entries, drive);
		sprintf(name, "ide%d/%s", (drive->name[2]-'a')/2, drive->name);
		ent = proc_symlink(drive->name, proc_ide_root, name);
		if (!ent) return;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
109
82.58%
2
40.00%
Bartlomiej Zolnierkiewicz
23
17.42%
3
60.00%
Total
132
100.00%
5
100.00%



void ide_proc_unregister_device(ide_drive_t *drive)
{
	if (drive->proc) {
		ide_remove_proc_entries(drive->proc, generic_drive_entries);
		remove_proc_entry(drive->name, proc_ide_root);
		remove_proc_entry(drive->name, drive->hwif->proc);
		drive->proc = NULL;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
51
94.44%
2
66.67%
Bartlomiej Zolnierkiewicz
3
5.56%
1
33.33%
Total
54
100.00%
3
100.00%


static ide_proc_entry_t hwif_entries[] = {
	{ "channel",	S_IFREG|S_IRUGO,	&ide_channel_proc_fops	},
	{ "mate",	S_IFREG|S_IRUGO,	&ide_mate_proc_fops	},
	{ "model",	S_IFREG|S_IRUGO,	&ide_imodel_proc_fops	},
	{}
};



void ide_proc_register_port(ide_hwif_t *hwif)
{
	if (!hwif->proc) {
		hwif->proc = proc_mkdir(hwif->name, proc_ide_root);

		if (!hwif->proc)
			return;

		ide_add_proc_entries(hwif->proc, hwif_entries, hwif);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
45
90.00%
2
50.00%
Bartlomiej Zolnierkiewicz
3
6.00%
1
25.00%
Al Viro
2
4.00%
1
25.00%
Total
50
100.00%
4
100.00%



void ide_proc_unregister_port(ide_hwif_t *hwif)
{
	if (hwif->proc) {
		ide_remove_proc_entries(hwif->proc, hwif_entries);
		remove_proc_entry(hwif->name, proc_ide_root);
		hwif->proc = NULL;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Bartlomiej Zolnierkiewicz
41
100.00%
2
100.00%
Total
41
100.00%
2
100.00%



static int proc_print_driver(struct device_driver *drv, void *data)
{
	struct ide_driver *ide_drv = to_ide_driver(drv);
	struct seq_file *s = data;

	seq_printf(s, "%s version %s\n", drv->name, ide_drv->version);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Bartlomiej Zolnierkiewicz
48
96.00%
2
66.67%
Jens Axboe
2
4.00%
1
33.33%
Total
50
100.00%
3
100.00%



static int ide_drivers_show(struct seq_file *s, void *p)
{
	int err;

	err = bus_for_each_drv(&ide_bus_type, NULL, s, proc_print_driver);
	if (err < 0)
		printk(KERN_WARNING "IDE: %s: bus_for_each_drv error: %d\n",
			__func__, err);
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Bartlomiej Zolnierkiewicz
30
58.82%
1
33.33%
Randy Dunlap
20
39.22%
1
33.33%
Harvey Harrison
1
1.96%
1
33.33%
Total
51
100.00%
3
100.00%



static int ide_drivers_open(struct inode *inode, struct file *file)
{
	return single_open(file, &ide_drivers_show, NULL);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
23
85.19%
2
66.67%
Bartlomiej Zolnierkiewicz
4
14.81%
1
33.33%
Total
27
100.00%
3
100.00%


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



void proc_ide_create(void)
{
	proc_ide_root = proc_mkdir("ide", NULL);

	if (!proc_ide_root)
		return;

	proc_create("drivers", 0, proc_ide_root, &ide_drivers_operations);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
22
64.71%
2
50.00%
Bartlomiej Zolnierkiewicz
9
26.47%
1
25.00%
Denis V. Lunev
3
8.82%
1
25.00%
Total
34
100.00%
4
100.00%



void proc_ide_destroy(void)
{
	remove_proc_entry("drivers", proc_ide_root);
	remove_proc_entry("ide", NULL);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
19
90.48%
2
50.00%
Mika Kukkonen
1
4.76%
1
25.00%
Yanmin Zhang
1
4.76%
1
25.00%
Total
21
100.00%
4
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Jens Axboe
1448
38.23%
2
3.64%
Bartlomiej Zolnierkiewicz
941
24.84%
24
43.64%
Alexey Dobriyan
867
22.89%
2
3.64%
Al Viro
197
5.20%
4
7.27%
Elias Oltmanns
146
3.85%
1
1.82%
Randy Dunlap
59
1.56%
1
1.82%
Alan Cox
39
1.03%
4
7.27%
Sergei Shtylyov
17
0.45%
1
1.82%
Matthias Kaehlcke
16
0.42%
1
1.82%
Mika Kukkonen
9
0.24%
2
3.64%
Denis V. Lunev
8
0.21%
1
1.82%
Anton Salnikov
8
0.21%
1
1.82%
Art Haas
8
0.21%
1
1.82%
Pete Popov
8
0.21%
1
1.82%
Paolo Ciarrocchi
4
0.11%
1
1.82%
Tejun Heo
3
0.08%
1
1.82%
Harvey Harrison
3
0.08%
1
1.82%
David S. Miller
2
0.05%
1
1.82%
Hannes Eder
1
0.03%
1
1.82%
Linus Torvalds
1
0.03%
1
1.82%
Marcin Ślusarz
1
0.03%
1
1.82%
Yanmin Zhang
1
0.03%
1
1.82%
Arjan van de Ven
1
0.03%
1
1.82%
Total
3788
100.00%
55
100.00%
Directory: drivers/ide

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