[net-next-2.6.git] / drivers / ide / ide-disk_proc.c

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

#include "ide-disk.h"

static int smart_enable(ide_drive_t *drive)
{
	struct ide_cmd cmd;
	struct ide_taskfile *tf = &cmd.tf;

	memset(&cmd, 0, sizeof(cmd));
	tf->feature = ATA_SMART_ENABLE;
	tf->lbam    = ATA_SMART_LBAM_PASS;
	tf->lbah    = ATA_SMART_LBAH_PASS;
	tf->command = ATA_CMD_SMART;
	cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
	cmd.valid.in.tf  = IDE_VALID_IN_TF  | IDE_VALID_DEVICE;

	return ide_no_data_taskfile(drive, &cmd);
}

static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd)
{
	struct ide_cmd cmd;
	struct ide_taskfile *tf = &cmd.tf;

	memset(&cmd, 0, sizeof(cmd));
	tf->feature = sub_cmd;
	tf->nsect   = 0x01;
	tf->lbam    = ATA_SMART_LBAM_PASS;
	tf->lbah    = ATA_SMART_LBAH_PASS;
	tf->command = ATA_CMD_SMART;
	cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
	cmd.valid.in.tf  = IDE_VALID_IN_TF  | IDE_VALID_DEVICE;
	cmd.protocol = ATA_PROT_PIO;

	return ide_raw_taskfile(drive, &cmd, buf, 1);
}

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

	if (drive->dev_flags & IDE_DFLAG_ID_READ)
		seq_printf(m, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2);
	else
		seq_printf(m, "(none)\n");
	return 0;
}

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

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

static int idedisk_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 idedisk_capacity_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, idedisk_capacity_proc_show, PDE(inode)->data);
}

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

static int __idedisk_proc_show(struct seq_file *m, ide_drive_t *drive, u8 sub_cmd)
{
	u8 *buf;

	buf = kmalloc(SECTOR_SIZE, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	(void)smart_enable(drive);

	if (get_smart_data(drive, buf, sub_cmd) == 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' : ' ');
		}
	}
	kfree(buf);
	return 0;
}

static int idedisk_sv_proc_show(struct seq_file *m, void *v)
{
	return __idedisk_proc_show(m, m->private, ATA_SMART_READ_VALUES);
}

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

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

static int idedisk_st_proc_show(struct seq_file *m, void *v)
{
	return __idedisk_proc_show(m, m->private, ATA_SMART_READ_THRESHOLDS);
}

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

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

ide_proc_entry_t ide_disk_proc[] = {
	{ "cache",	  S_IFREG|S_IRUGO, &idedisk_cache_proc_fops	},
	{ "capacity",	  S_IFREG|S_IRUGO, &idedisk_capacity_proc_fops	},
	{ "geometry",	  S_IFREG|S_IRUGO, &ide_geometry_proc_fops	},
	{ "smart_values", S_IFREG|S_IRUSR, &idedisk_sv_proc_fops	},
	{ "smart_thresholds", S_IFREG|S_IRUSR, &idedisk_st_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(failures, failures);
ide_devset_rw_field(lun, lun);
ide_devset_rw_field(max_failures, max_failures);

const struct ide_proc_devset ide_disk_settings[] = {
	IDE_PROC_DEVSET(acoustic,	0,   254),
	IDE_PROC_DEVSET(address,	0,     2),
	IDE_PROC_DEVSET(bios_cyl,	0, 65535),
	IDE_PROC_DEVSET(bios_head,	0,   255),
	IDE_PROC_DEVSET(bios_sect,	0,    63),
	IDE_PROC_DEVSET(failures,	0, 65535),
	IDE_PROC_DEVSET(lun,		0,     7),
	IDE_PROC_DEVSET(max_failures,	0, 65535),
	IDE_PROC_DEVSET(multcount,	0,    16),
	IDE_PROC_DEVSET(nowerr,		0,     1),
	IDE_PROC_DEVSET(wcache,		0,     1),
	{ NULL },
};
Commit	Line	Data
06b89518 BZ	1	#include <linux/kernel.h>
06b89518 BZ	2	#include <linux/ide.h>
5a0e3ad6	3	#include <linux/slab.h>
6d703a81	4	#include <linux/seq_file.h>
06b89518 BZ	5
	6	#include "ide-disk.h"
	7
	8	static int smart_enable(ide_drive_t *drive)
	9	{
22aa4b32 BZ	10	struct ide_cmd cmd;
22aa4b32 BZ	11	struct ide_taskfile *tf = &cmd.tf;
06b89518	12
22aa4b32	13	memset(&cmd, 0, sizeof(cmd));
06b89518 BZ	14	tf->feature = ATA_SMART_ENABLE;
	15	tf->lbam = ATA_SMART_LBAM_PASS;
	16	tf->lbah = ATA_SMART_LBAH_PASS;
	17	tf->command = ATA_CMD_SMART;
60f85019 SS	18	cmd.valid.out.tf = IDE_VALID_OUT_TF \| IDE_VALID_DEVICE;
60f85019 SS	19	cmd.valid.in.tf = IDE_VALID_IN_TF \| IDE_VALID_DEVICE;
22aa4b32 BZ	20
22aa4b32 BZ	21	return ide_no_data_taskfile(drive, &cmd);
06b89518 BZ	22	}
	23
	24	static int get_smart_data(ide_drive_t drive, u8 buf, u8 sub_cmd)
	25	{
22aa4b32 BZ	26	struct ide_cmd cmd;
22aa4b32 BZ	27	struct ide_taskfile *tf = &cmd.tf;
06b89518	28
22aa4b32	29	memset(&cmd, 0, sizeof(cmd));
06b89518 BZ	30	tf->feature = sub_cmd;
	31	tf->nsect = 0x01;
	32	tf->lbam = ATA_SMART_LBAM_PASS;
	33	tf->lbah = ATA_SMART_LBAH_PASS;
	34	tf->command = ATA_CMD_SMART;
60f85019 SS	35	cmd.valid.out.tf = IDE_VALID_OUT_TF \| IDE_VALID_DEVICE;
60f85019 SS	36	cmd.valid.in.tf = IDE_VALID_IN_TF \| IDE_VALID_DEVICE;
0dfb991c	37	cmd.protocol = ATA_PROT_PIO;
39375853	38
22aa4b32	39	return ide_raw_taskfile(drive, &cmd, buf, 1);
06b89518 BZ	40	}
06b89518 BZ	41
6d703a81	42	static int idedisk_cache_proc_show(struct seq_file m, void v)
06b89518	43	{
6d703a81	44	ide_drive_t drive = (ide_drive_t ) m->private;
06b89518 BZ	45
06b89518 BZ	46	if (drive->dev_flags & IDE_DFLAG_ID_READ)
6d703a81	47	seq_printf(m, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2);
06b89518	48	else
6d703a81 AD	49	seq_printf(m, "(none)\n");
	50	return 0;
	51	}
06b89518	52
6d703a81 AD	53	static int idedisk_cache_proc_open(struct inode inode, struct file file)
	54	{
	55	return single_open(file, idedisk_cache_proc_show, PDE(inode)->data);
06b89518 BZ	56	}
06b89518 BZ	57
6d703a81 AD	58	static const struct file_operations idedisk_cache_proc_fops = {
	59	.owner = THIS_MODULE,
	60	.open = idedisk_cache_proc_open,
	61	.read = seq_read,
	62	.llseek = seq_lseek,
	63	.release = single_release,
	64	};
	65
	66	static int idedisk_capacity_proc_show(struct seq_file m, void v)
06b89518	67	{
6d703a81	68	ide_drive_tdrive = (ide_drive_t )m->private;
06b89518	69
6d703a81 AD	70	seq_printf(m, "%llu\n", (long long)ide_gd_capacity(drive));
	71	return 0;
	72	}
06b89518	73
6d703a81 AD	74	static int idedisk_capacity_proc_open(struct inode inode, struct file file)
	75	{
	76	return single_open(file, idedisk_capacity_proc_show, PDE(inode)->data);
06b89518 BZ	77	}
06b89518 BZ	78
6d703a81 AD	79	static const struct file_operations idedisk_capacity_proc_fops = {
	80	.owner = THIS_MODULE,
	81	.open = idedisk_capacity_proc_open,
	82	.read = seq_read,
	83	.llseek = seq_lseek,
	84	.release = single_release,
	85	};
	86
	87	static int __idedisk_proc_show(struct seq_file m, ide_drive_t drive, u8 sub_cmd)
06b89518	88	{
6d703a81 AD	89	u8 *buf;
	90
	91	buf = kmalloc(SECTOR_SIZE, GFP_KERNEL);
	92	if (!buf)
	93	return -ENOMEM;
06b89518	94
39375853 BZ	95	(void)smart_enable(drive);
39375853 BZ	96
6d703a81 AD	97	if (get_smart_data(drive, buf, sub_cmd) == 0) {
	98	__le16 val = (__le16 )buf;
	99	int i;
	100
	101	for (i = 0; i < SECTOR_SIZE / 2; i++) {
	102	seq_printf(m, "%04x%c", le16_to_cpu(val[i]),
	103	(i % 8) == 7 ? '\n' : ' ');
	104	}
06b89518	105	}
6d703a81 AD	106	kfree(buf);
	107	return 0;
	108	}
06b89518	109
6d703a81 AD	110	static int idedisk_sv_proc_show(struct seq_file m, void v)
	111	{
	112	return __idedisk_proc_show(m, m->private, ATA_SMART_READ_VALUES);
06b89518 BZ	113	}
06b89518 BZ	114
6d703a81	115	static int idedisk_sv_proc_open(struct inode inode, struct file file)
06b89518	116	{
6d703a81	117	return single_open(file, idedisk_sv_proc_show, PDE(inode)->data);
06b89518 BZ	118	}
06b89518 BZ	119
6d703a81 AD	120	static const struct file_operations idedisk_sv_proc_fops = {
	121	.owner = THIS_MODULE,
	122	.open = idedisk_sv_proc_open,
	123	.read = seq_read,
	124	.llseek = seq_lseek,
	125	.release = single_release,
	126	};
	127
	128	static int idedisk_st_proc_show(struct seq_file m, void v)
06b89518	129	{
6d703a81	130	return __idedisk_proc_show(m, m->private, ATA_SMART_READ_THRESHOLDS);
06b89518 BZ	131	}
06b89518 BZ	132
6d703a81 AD	133	static int idedisk_st_proc_open(struct inode inode, struct file file)
	134	{
	135	return single_open(file, idedisk_st_proc_show, PDE(inode)->data);
	136	}
	137
	138	static const struct file_operations idedisk_st_proc_fops = {
	139	.owner = THIS_MODULE,
	140	.open = idedisk_st_proc_open,
	141	.read = seq_read,
	142	.llseek = seq_lseek,
	143	.release = single_release,
	144	};
	145
06b89518	146	ide_proc_entry_t ide_disk_proc[] = {
6d703a81 AD	147	{ "cache", S_IFREG\|S_IRUGO, &idedisk_cache_proc_fops },
	148	{ "capacity", S_IFREG\|S_IRUGO, &idedisk_capacity_proc_fops },
	149	{ "geometry", S_IFREG\|S_IRUGO, &ide_geometry_proc_fops },
	150	{ "smart_values", S_IFREG\|S_IRUSR, &idedisk_sv_proc_fops },
	151	{ "smart_thresholds", S_IFREG\|S_IRUSR, &idedisk_st_proc_fops },
	152	{}
06b89518 BZ	153	};
	154
	155	ide_devset_rw_field(bios_cyl, bios_cyl);
	156	ide_devset_rw_field(bios_head, bios_head);
	157	ide_devset_rw_field(bios_sect, bios_sect);
	158	ide_devset_rw_field(failures, failures);
	159	ide_devset_rw_field(lun, lun);
	160	ide_devset_rw_field(max_failures, max_failures);
	161
	162	const struct ide_proc_devset ide_disk_settings[] = {
	163	IDE_PROC_DEVSET(acoustic, 0, 254),
	164	IDE_PROC_DEVSET(address, 0, 2),
	165	IDE_PROC_DEVSET(bios_cyl, 0, 65535),
	166	IDE_PROC_DEVSET(bios_head, 0, 255),
	167	IDE_PROC_DEVSET(bios_sect, 0, 63),
	168	IDE_PROC_DEVSET(failures, 0, 65535),
	169	IDE_PROC_DEVSET(lun, 0, 7),
	170	IDE_PROC_DEVSET(max_failures, 0, 65535),
	171	IDE_PROC_DEVSET(multcount, 0, 16),
	172	IDE_PROC_DEVSET(nowerr, 0, 1),
	173	IDE_PROC_DEVSET(wcache, 0, 1),
71bfc7a7	174	{ NULL },
06b89518	175	};