[linux-block.git] / drivers / ide / ide-disk_proc.c

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