[linux.git] / drivers / parport / procfs.c

/* Sysctl interface for parport devices.
 * 
 * Authors: David Campbell
 *          Tim Waugh <[email protected]>
 *          Philip Blundell <[email protected]>
 *          Andrea Arcangeli
 *          Riccardo Facchetti <[email protected]>
 *
 * based on work by Grant Guenther <[email protected]>
 *              and Philip Blundell
 *
 * Cleaned up include files - Russell King <[email protected]>
 */

#include <linux/string.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/parport.h>
#include <linux/ctype.h>
#include <linux/sysctl.h>

#include <asm/uaccess.h>

#if defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS)

#define PARPORT_MIN_TIMESLICE_VALUE 1ul 
#define PARPORT_MAX_TIMESLICE_VALUE ((unsigned long) HZ)
#define PARPORT_MIN_SPINTIME_VALUE 1
#define PARPORT_MAX_SPINTIME_VALUE 1000

static int do_active_device(ctl_table *table, int write, struct file *filp,
		      void __user *result, size_t *lenp, loff_t *ppos)
{
	struct parport *port = (struct parport *)table->extra1;
	char buffer[256];
	struct pardevice *dev;
	int len = 0;

	if (write)		/* can't happen anyway */
		return -EACCES;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}
	
	for (dev = port->devices; dev ; dev = dev->next) {
		if(dev == port->cad) {
			len += sprintf(buffer, "%s\n", dev->name);
		}
	}

	if(!len) {
		len += sprintf(buffer, "%s\n", "none");
	}

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
}

#ifdef CONFIG_PARPORT_1284
static int do_autoprobe(ctl_table *table, int write, struct file *filp,
			void __user *result, size_t *lenp, loff_t *ppos)
{
	struct parport_device_info *info = table->extra2;
	const char *str;
	char buffer[256];
	int len = 0;

	if (write) /* permissions stop this */
		return -EACCES;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}
	
	if ((str = info->class_name) != NULL)
		len += sprintf (buffer + len, "CLASS:%s;\n", str);

	if ((str = info->model) != NULL)
		len += sprintf (buffer + len, "MODEL:%s;\n", str);

	if ((str = info->mfr) != NULL)
		len += sprintf (buffer + len, "MANUFACTURER:%s;\n", str);

	if ((str = info->description) != NULL)
		len += sprintf (buffer + len, "DESCRIPTION:%s;\n", str);

	if ((str = info->cmdset) != NULL)
		len += sprintf (buffer + len, "COMMAND SET:%s;\n", str);

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user (result, buffer, len) ? -EFAULT : 0;
}
#endif /* IEEE1284.3 support. */

static int do_hardware_base_addr (ctl_table *table, int write,
				  struct file *filp, void __user *result,
				  size_t *lenp, loff_t *ppos)
{
	struct parport *port = (struct parport *)table->extra1;
	char buffer[20];
	int len = 0;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}

	if (write) /* permissions prevent this anyway */
		return -EACCES;

	len += sprintf (buffer, "%lu\t%lu\n", port->base, port->base_hi);

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
}

static int do_hardware_irq (ctl_table *table, int write,
			    struct file *filp, void __user *result,
			    size_t *lenp, loff_t *ppos)
{
	struct parport *port = (struct parport *)table->extra1;
	char buffer[20];
	int len = 0;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}

	if (write) /* permissions prevent this anyway */
		return -EACCES;

	len += sprintf (buffer, "%d\n", port->irq);

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
}

static int do_hardware_dma (ctl_table *table, int write,
			    struct file *filp, void __user *result,
			    size_t *lenp, loff_t *ppos)
{
	struct parport *port = (struct parport *)table->extra1;
	char buffer[20];
	int len = 0;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}

	if (write) /* permissions prevent this anyway */
		return -EACCES;

	len += sprintf (buffer, "%d\n", port->dma);

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
}

static int do_hardware_modes (ctl_table *table, int write,
			      struct file *filp, void __user *result,
			      size_t *lenp, loff_t *ppos)
{
	struct parport *port = (struct parport *)table->extra1;
	char buffer[40];
	int len = 0;

	if (*ppos) {
		*lenp = 0;
		return 0;
	}

	if (write) /* permissions prevent this anyway */
		return -EACCES;

	{
#define printmode(x) {if(port->modes&PARPORT_MODE_##x){len+=sprintf(buffer+len,"%s%s",f?",":"",#x);f++;}}
		int f = 0;
		printmode(PCSPP);
		printmode(TRISTATE);
		printmode(COMPAT);
		printmode(EPP);
		printmode(ECP);
		printmode(DMA);
#undef printmode
	}
	buffer[len++] = '\n';

	if (len > *lenp)
		len = *lenp;
	else
		*lenp = len;

	*ppos += len;

	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
}

#define PARPORT_PORT_DIR(CHILD) { .ctl_name = 0, .procname = NULL, .mode = 0555, .child = CHILD }
#define PARPORT_PARPORT_DIR(CHILD) { .ctl_name = DEV_PARPORT, .procname = "parport", \
                                     .mode = 0555, .child = CHILD }
#define PARPORT_DEV_DIR(CHILD) { .ctl_name = CTL_DEV, .procname = "dev", .mode = 0555, .child = CHILD }
#define PARPORT_DEVICES_ROOT_DIR  {  .procname = "devices", \
                                    .mode = 0555, .child = NULL }

static const unsigned long parport_min_timeslice_value =
PARPORT_MIN_TIMESLICE_VALUE;

static const unsigned long parport_max_timeslice_value =
PARPORT_MAX_TIMESLICE_VALUE;

static const  int parport_min_spintime_value =
PARPORT_MIN_SPINTIME_VALUE;

static const int parport_max_spintime_value =
PARPORT_MAX_SPINTIME_VALUE;


struct parport_sysctl_table {
	struct ctl_table_header *sysctl_header;
	ctl_table vars[12];
	ctl_table device_dir[2];
	ctl_table port_dir[2];
	ctl_table parport_dir[2];
	ctl_table dev_dir[2];
};

static const struct parport_sysctl_table parport_sysctl_template = {
	.sysctl_header = NULL,
        {
		{
			.procname	= "spintime",
			.data		= NULL,
			.maxlen		= sizeof(int),
			.mode		= 0644,
			.proc_handler	= &proc_dointvec_minmax,
			.extra1		= (void*) &parport_min_spintime_value,
			.extra2		= (void*) &parport_max_spintime_value
		},
		{
			.procname	= "base-addr",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= &do_hardware_base_addr
		},
		{
			.procname	= "irq",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= &do_hardware_irq
		},
		{
			.procname	= "dma",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= &do_hardware_dma
		},
		{
			.procname	= "modes",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= &do_hardware_modes
		},
		PARPORT_DEVICES_ROOT_DIR,
#ifdef CONFIG_PARPORT_1284
		{
			.procname	= "autoprobe",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= &do_autoprobe
		},
		{
			.procname	= "autoprobe0",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	=  &do_autoprobe
		},
		{
			.procname	= "autoprobe1",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= &do_autoprobe
		},
		{
			.procname	= "autoprobe2",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= &do_autoprobe
		},
		{
			.procname	= "autoprobe3",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= &do_autoprobe
		},
#endif /* IEEE 1284 support */
		{}
	},
	{
		{
			.procname	= "active",
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0444,
			.proc_handler	= &do_active_device
		},
		{}
	},
	{
		PARPORT_PORT_DIR(NULL),
		{}
	},
	{
		PARPORT_PARPORT_DIR(NULL),
		{}
	},
	{
		PARPORT_DEV_DIR(NULL),
		{}
	}
};

struct parport_device_sysctl_table
{
	struct ctl_table_header *sysctl_header;
	ctl_table vars[2];
	ctl_table device_dir[2];
	ctl_table devices_root_dir[2];
	ctl_table port_dir[2];
	ctl_table parport_dir[2];
	ctl_table dev_dir[2];
};

static const struct parport_device_sysctl_table
parport_device_sysctl_template = {
	.sysctl_header = NULL,
	{
		{
			.procname 	= "timeslice",
			.data		= NULL,
			.maxlen		= sizeof(unsigned long),
			.mode		= 0644,
			.proc_handler	= &proc_doulongvec_ms_jiffies_minmax,
			.extra1		= (void*) &parport_min_timeslice_value,
			.extra2		= (void*) &parport_max_timeslice_value
		},
	},
	{
		{
			.ctl_name	= 0,
			.procname	= NULL,
			.data		= NULL,
			.maxlen		= 0,
			.mode		= 0555,
			.child		= NULL
		},
		{}
	},
	{
		PARPORT_DEVICES_ROOT_DIR,
		{}
	},
	{
		PARPORT_PORT_DIR(NULL),
		{}
	},
	{
		PARPORT_PARPORT_DIR(NULL),
		{}
	},
	{
		PARPORT_DEV_DIR(NULL),
		{}
	}
};

struct parport_default_sysctl_table
{
	struct ctl_table_header *sysctl_header;
	ctl_table vars[3];
        ctl_table default_dir[2];
	ctl_table parport_dir[2];
	ctl_table dev_dir[2];
};

extern unsigned long parport_default_timeslice;
extern int parport_default_spintime;

static struct parport_default_sysctl_table
parport_default_sysctl_table = {
	.sysctl_header	= NULL,
	{
		{
			.procname	= "timeslice",
			.data		= &parport_default_timeslice,
			.maxlen		= sizeof(parport_default_timeslice),
			.mode		= 0644,
			.proc_handler	= &proc_doulongvec_ms_jiffies_minmax,
			.extra1		= (void*) &parport_min_timeslice_value,
			.extra2		= (void*) &parport_max_timeslice_value
		},
		{
			.procname	= "spintime",
			.data		= &parport_default_spintime,
			.maxlen		= sizeof(parport_default_spintime),
			.mode		= 0644,
			.proc_handler	= &proc_dointvec_minmax,
			.extra1		= (void*) &parport_min_spintime_value,
			.extra2		= (void*) &parport_max_spintime_value
		},
		{}
	},
	{
		{
			.ctl_name	= DEV_PARPORT_DEFAULT,
			.procname	= "default",
			.mode		= 0555,
			.child		= parport_default_sysctl_table.vars
		},
		{}
	},
	{
		PARPORT_PARPORT_DIR(parport_default_sysctl_table.default_dir),
		{}
	},
	{
		PARPORT_DEV_DIR(parport_default_sysctl_table.parport_dir),
		{}
	}
};


int parport_proc_register(struct parport *port)
{
	struct parport_sysctl_table *t;
	int i;

	t = kmalloc(sizeof(*t), GFP_KERNEL);
	if (t == NULL)
		return -ENOMEM;
	memcpy(t, &parport_sysctl_template, sizeof(*t));

	t->device_dir[0].extra1 = port;

	for (i = 0; i < 5; i++)
		t->vars[i].extra1 = port;

	t->vars[0].data = &port->spintime;
	t->vars[5].child = t->device_dir;
	
	for (i = 0; i < 5; i++)
		t->vars[6 + i].extra2 = &port->probe_info[i];

	t->port_dir[0].procname = port->name;
	t->port_dir[0].ctl_name = 0;

	t->port_dir[0].child = t->vars;
	t->parport_dir[0].child = t->port_dir;
	t->dev_dir[0].child = t->parport_dir;

	t->sysctl_header = register_sysctl_table(t->dev_dir);
	if (t->sysctl_header == NULL) {
		kfree(t);
		t = NULL;
	}
	port->sysctl_table = t;
	return 0;
}

int parport_proc_unregister(struct parport *port)
{
	if (port->sysctl_table) {
		struct parport_sysctl_table *t = port->sysctl_table;
		port->sysctl_table = NULL;
		unregister_sysctl_table(t->sysctl_header);
		kfree(t);
	}
	return 0;
}

int parport_device_proc_register(struct pardevice *device)
{
	struct parport_device_sysctl_table *t;
	struct parport * port = device->port;
	
	t = kmalloc(sizeof(*t), GFP_KERNEL);
	if (t == NULL)
		return -ENOMEM;
	memcpy(t, &parport_device_sysctl_template, sizeof(*t));

	t->dev_dir[0].child = t->parport_dir;
	t->parport_dir[0].child = t->port_dir;
	t->port_dir[0].procname = port->name;
	t->port_dir[0].ctl_name = 0;
	t->port_dir[0].child = t->devices_root_dir;
	t->devices_root_dir[0].child = t->device_dir;

	t->device_dir[0].ctl_name = 0;
	t->device_dir[0].procname = device->name;
	t->device_dir[0].child = t->vars;
	t->vars[0].data = &device->timeslice;

	t->sysctl_header = register_sysctl_table(t->dev_dir);
	if (t->sysctl_header == NULL) {
		kfree(t);
		t = NULL;
	}
	device->sysctl_table = t;
	return 0;
}

int parport_device_proc_unregister(struct pardevice *device)
{
	if (device->sysctl_table) {
		struct parport_device_sysctl_table *t = device->sysctl_table;
		device->sysctl_table = NULL;
		unregister_sysctl_table(t->sysctl_header);
		kfree(t);
	}
	return 0;
}

static int __init parport_default_proc_register(void)
{
	parport_default_sysctl_table.sysctl_header =
		register_sysctl_table(parport_default_sysctl_table.dev_dir);
	return 0;
}

static void __exit parport_default_proc_unregister(void)
{
	if (parport_default_sysctl_table.sysctl_header) {
		unregister_sysctl_table(parport_default_sysctl_table.
					sysctl_header);
		parport_default_sysctl_table.sysctl_header = NULL;
	}
}

#else /* no sysctl or no procfs*/

int parport_proc_register(struct parport *pp)
{
	return 0;
}

int parport_proc_unregister(struct parport *pp)
{
	return 0;
}

int parport_device_proc_register(struct pardevice *device)
{
	return 0;
}

int parport_device_proc_unregister(struct pardevice *device)
{
	return 0;
}

static int __init parport_default_proc_register (void)
{
	return 0;
}

static void __exit parport_default_proc_unregister (void)
{
}
#endif

module_init(parport_default_proc_register)
module_exit(parport_default_proc_unregister)
Commit	Line	Data
1da177e4 LT	1	/* Sysctl interface for parport devices.
1da177e4 LT	2	*
bdca3f20	3	* Authors: David Campbell
1da177e4 LT	4	* Tim Waugh <[email protected]>
	5	* Philip Blundell <[email protected]>
	6	* Andrea Arcangeli
	7	* Riccardo Facchetti <[email protected]>
	8	*
	9	* based on work by Grant Guenther <[email protected]>
	10	* and Philip Blundell
	11	*
	12	* Cleaned up include files - Russell King <[email protected]>
	13	*/
	14
	15	#include <linux/string.h>
1da177e4 LT	16	#include <linux/init.h>
	17	#include <linux/module.h>
	18	#include <linux/errno.h>
	19	#include <linux/kernel.h>
	20	#include <linux/slab.h>
	21	#include <linux/parport.h>
	22	#include <linux/ctype.h>
	23	#include <linux/sysctl.h>
	24
	25	#include <asm/uaccess.h>
	26
	27	#if defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS)
	28
	29	#define PARPORT_MIN_TIMESLICE_VALUE 1ul
	30	#define PARPORT_MAX_TIMESLICE_VALUE ((unsigned long) HZ)
	31	#define PARPORT_MIN_SPINTIME_VALUE 1
	32	#define PARPORT_MAX_SPINTIME_VALUE 1000
	33
	34	static int do_active_device(ctl_table table, int write, struct file filp,
	35	void __user result, size_t lenp, loff_t *ppos)
	36	{
	37	struct parport port = (struct parport )table->extra1;
	38	char buffer[256];
	39	struct pardevice *dev;
	40	int len = 0;
	41
	42	if (write) /* can't happen anyway */
	43	return -EACCES;
	44
	45	if (*ppos) {
	46	*lenp = 0;
	47	return 0;
	48	}
	49
	50	for (dev = port->devices; dev ; dev = dev->next) {
	51	if(dev == port->cad) {
	52	len += sprintf(buffer, "%s\n", dev->name);
	53	}
	54	}
	55
	56	if(!len) {
	57	len += sprintf(buffer, "%s\n", "none");
	58	}
	59
	60	if (len > *lenp)
	61	len = *lenp;
	62	else
	63	*lenp = len;
	64
	65	*ppos += len;
	66
	67	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
	68	}
	69
	70	#ifdef CONFIG_PARPORT_1284
	71	static int do_autoprobe(ctl_table table, int write, struct file filp,
	72	void __user result, size_t lenp, loff_t *ppos)
	73	{
	74	struct parport_device_info *info = table->extra2;
	75	const char *str;
	76	char buffer[256];
	77	int len = 0;
	78
	79	if (write) /* permissions stop this */
80	return -EACCES;
81
82	if (*ppos) {
83	*lenp = 0;
84	return 0;
85	}
86
87	if ((str = info->class_name) != NULL)
88	len += sprintf (buffer + len, "CLASS:%s;\n", str);
89
90	if ((str = info->model) != NULL)
91	len += sprintf (buffer + len, "MODEL:%s;\n", str);
92
93	if ((str = info->mfr) != NULL)
94	len += sprintf (buffer + len, "MANUFACTURER:%s;\n", str);
95
96	if ((str = info->description) != NULL)
97	len += sprintf (buffer + len, "DESCRIPTION:%s;\n", str);
98
99	if ((str = info->cmdset) != NULL)
100	len += sprintf (buffer + len, "COMMAND SET:%s;\n", str);
101
102	if (len > *lenp)
103	len = *lenp;
104	else
105	*lenp = len;
106
107	*ppos += len;
108
109	return copy_to_user (result, buffer, len) ? -EFAULT : 0;
110	}
111	#endif /* IEEE1284.3 support. */
112
113	static int do_hardware_base_addr (ctl_table *table, int write,
114	struct file filp, void __user result,
115	size_t lenp, loff_t ppos)
116	{
117	struct parport port = (struct parport )table->extra1;
118	char buffer[20];
119	int len = 0;
120
121	if (*ppos) {
122	*lenp = 0;
123	return 0;
124	}
125
126	if (write) /* permissions prevent this anyway */
127	return -EACCES;
128
129	len += sprintf (buffer, "%lu\t%lu\n", port->base, port->base_hi);
130
131	if (len > *lenp)
132	len = *lenp;
133	else
134	*lenp = len;
135
136	*ppos += len;
137
138	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
139	}
140
141	static int do_hardware_irq (ctl_table *table, int write,
142	struct file filp, void __user result,
143	size_t lenp, loff_t ppos)
144	{
145	struct parport port = (struct parport )table->extra1;
146	char buffer[20];
147	int len = 0;
148
149	if (*ppos) {
150	*lenp = 0;
151	return 0;
152	}
153
154	if (write) /* permissions prevent this anyway */
155	return -EACCES;
156
157	len += sprintf (buffer, "%d\n", port->irq);
158
159	if (len > *lenp)
160	len = *lenp;
161	else
162	*lenp = len;
163
164	*ppos += len;
165
166	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
167	}
168
169	static int do_hardware_dma (ctl_table *table, int write,
170	struct file filp, void __user result,
171	size_t lenp, loff_t ppos)
172	{
173	struct parport port = (struct parport )table->extra1;
174	char buffer[20];
175	int len = 0;
176
177	if (*ppos) {
178	*lenp = 0;
179	return 0;
180	}
181
182	if (write) /* permissions prevent this anyway */
183	return -EACCES;
184
185	len += sprintf (buffer, "%d\n", port->dma);
186
187	if (len > *lenp)
188	len = *lenp;
189	else
190	*lenp = len;
191
192	*ppos += len;
193
194	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
195	}
196
197	static int do_hardware_modes (ctl_table *table, int write,
198	struct file filp, void __user result,
199	size_t lenp, loff_t ppos)
200	{
201	struct parport port = (struct parport )table->extra1;
202	char buffer[40];
203	int len = 0;
204
205	if (*ppos) {
206	*lenp = 0;
207	return 0;
208	}
209
210	if (write) /* permissions prevent this anyway */
211	return -EACCES;
212
213	{
214	#define printmode(x) {if(port->modes&PARPORT_MODE_##x){len+=sprintf(buffer+len,"%s%s",f?",":"",#x);f++;}}
215	int f = 0;
216	printmode(PCSPP);
217	printmode(TRISTATE);
218	printmode(COMPAT);
219	printmode(EPP);
220	printmode(ECP);
221	printmode(DMA);
222	#undef printmode
223	}
224	buffer[len++] = '\n';
225
226	if (len > *lenp)
227	len = *lenp;
228	else
229	*lenp = len;
230
231	*ppos += len;
232
233	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
234	}
235
2564b7bd EB	236	#define PARPORT_PORT_DIR(CHILD) { .ctl_name = 0, .procname = NULL, .mode = 0555, .child = CHILD }
	237	#define PARPORT_PARPORT_DIR(CHILD) { .ctl_name = DEV_PARPORT, .procname = "parport", \
	238	.mode = 0555, .child = CHILD }
	239	#define PARPORT_DEV_DIR(CHILD) { .ctl_name = CTL_DEV, .procname = "dev", .mode = 0555, .child = CHILD }
25398a15	240	#define PARPORT_DEVICES_ROOT_DIR { .procname = "devices", \
2564b7bd	241	.mode = 0555, .child = NULL }
1da177e4 LT	242
	243	static const unsigned long parport_min_timeslice_value =
	244	PARPORT_MIN_TIMESLICE_VALUE;
	245
	246	static const unsigned long parport_max_timeslice_value =
	247	PARPORT_MAX_TIMESLICE_VALUE;
	248
	249	static const int parport_min_spintime_value =
	250	PARPORT_MIN_SPINTIME_VALUE;
	251
	252	static const int parport_max_spintime_value =
	253	PARPORT_MAX_SPINTIME_VALUE;
	254
	255
	256	struct parport_sysctl_table {
	257	struct ctl_table_header *sysctl_header;
	258	ctl_table vars[12];
	259	ctl_table device_dir[2];
	260	ctl_table port_dir[2];
	261	ctl_table parport_dir[2];
	262	ctl_table dev_dir[2];
	263	};
	264
	265	static const struct parport_sysctl_table parport_sysctl_template = {
2564b7bd	266	.sysctl_header = NULL,
1da177e4	267	{
2564b7bd	268	{
2564b7bd EB	269	.procname = "spintime",
	270	.data = NULL,
	271	.maxlen = sizeof(int),
	272	.mode = 0644,
	273	.proc_handler = &proc_dointvec_minmax,
	274	.extra1 = (void*) &parport_min_spintime_value,
	275	.extra2 = (void*) &parport_max_spintime_value
	276	},
	277	{
2564b7bd EB	278	.procname = "base-addr",
	279	.data = NULL,
	280	.maxlen = 0,
	281	.mode = 0444,
	282	.proc_handler = &do_hardware_base_addr
	283	},
	284	{
2564b7bd EB	285	.procname = "irq",
	286	.data = NULL,
	287	.maxlen = 0,
	288	.mode = 0444,
	289	.proc_handler = &do_hardware_irq
	290	},
	291	{
2564b7bd EB	292	.procname = "dma",
	293	.data = NULL,
	294	.maxlen = 0,
	295	.mode = 0444,
	296	.proc_handler = &do_hardware_dma
	297	},
	298	{
2564b7bd EB	299	.procname = "modes",
	300	.data = NULL,
	301	.maxlen = 0,
	302	.mode = 0444,
	303	.proc_handler = &do_hardware_modes
	304	},
1da177e4 LT	305	PARPORT_DEVICES_ROOT_DIR,
1da177e4 LT	306	#ifdef CONFIG_PARPORT_1284
2564b7bd	307	{
2564b7bd EB	308	.procname = "autoprobe",
	309	.data = NULL,
	310	.maxlen = 0,
	311	.mode = 0444,
	312	.proc_handler = &do_autoprobe
	313	},
	314	{
2564b7bd EB	315	.procname = "autoprobe0",
	316	.data = NULL,
	317	.maxlen = 0,
	318	.mode = 0444,
	319	.proc_handler = &do_autoprobe
	320	},
	321	{
2564b7bd EB	322	.procname = "autoprobe1",
	323	.data = NULL,
	324	.maxlen = 0,
	325	.mode = 0444,
	326	.proc_handler = &do_autoprobe
	327	},
	328	{
2564b7bd EB	329	.procname = "autoprobe2",
	330	.data = NULL,
	331	.maxlen = 0,
	332	.mode = 0444,
	333	.proc_handler = &do_autoprobe
	334	},
	335	{
2564b7bd EB	336	.procname = "autoprobe3",
	337	.data = NULL,
	338	.maxlen = 0,
	339	.mode = 0444,
	340	.proc_handler = &do_autoprobe
	341	},
1da177e4	342	#endif /* IEEE 1284 support */
2564b7bd	343	{}
1da177e4	344	},
2564b7bd EB	345	{
2564b7bd EB	346	{
2564b7bd EB	347	.procname = "active",
	348	.data = NULL,
	349	.maxlen = 0,
	350	.mode = 0444,
	351	.proc_handler = &do_active_device
	352	},
	353	{}
	354	},
	355	{
	356	PARPORT_PORT_DIR(NULL),
	357	{}
	358	},
	359	{
	360	PARPORT_PARPORT_DIR(NULL),
	361	{}
	362	},
	363	{
	364	PARPORT_DEV_DIR(NULL),
	365	{}
	366	}
1da177e4 LT	367	};
	368
	369	struct parport_device_sysctl_table
	370	{
	371	struct ctl_table_header *sysctl_header;
	372	ctl_table vars[2];
	373	ctl_table device_dir[2];
	374	ctl_table devices_root_dir[2];
	375	ctl_table port_dir[2];
	376	ctl_table parport_dir[2];
	377	ctl_table dev_dir[2];
	378	};
	379
	380	static const struct parport_device_sysctl_table
	381	parport_device_sysctl_template = {
2564b7bd EB	382	.sysctl_header = NULL,
	383	{
	384	{
2564b7bd EB	385	.procname = "timeslice",
2564b7bd EB	386	.data = NULL,
60af8803	387	.maxlen = sizeof(unsigned long),
2564b7bd EB	388	.mode = 0644,
	389	.proc_handler = &proc_doulongvec_ms_jiffies_minmax,
	390	.extra1 = (void*) &parport_min_timeslice_value,
	391	.extra2 = (void*) &parport_max_timeslice_value
	392	},
	393	},
	394	{
	395	{
	396	.ctl_name = 0,
	397	.procname = NULL,
	398	.data = NULL,
	399	.maxlen = 0,
	400	.mode = 0555,
	401	.child = NULL
	402	},
	403	{}
	404	},
1da177e4	405	{
2564b7bd EB	406	PARPORT_DEVICES_ROOT_DIR,
	407	{}
	408	},
	409	{
	410	PARPORT_PORT_DIR(NULL),
	411	{}
1da177e4	412	},
2564b7bd EB	413	{
	414	PARPORT_PARPORT_DIR(NULL),
	415	{}
	416	},
	417	{
	418	PARPORT_DEV_DIR(NULL),
	419	{}
	420	}
1da177e4 LT	421	};
	422
	423	struct parport_default_sysctl_table
	424	{
	425	struct ctl_table_header *sysctl_header;
	426	ctl_table vars[3];
	427	ctl_table default_dir[2];
	428	ctl_table parport_dir[2];
	429	ctl_table dev_dir[2];
	430	};
	431
	432	extern unsigned long parport_default_timeslice;
	433	extern int parport_default_spintime;
	434
	435	static struct parport_default_sysctl_table
	436	parport_default_sysctl_table = {
2564b7bd EB	437	.sysctl_header = NULL,
	438	{
	439	{
2564b7bd EB	440	.procname = "timeslice",
	441	.data = &parport_default_timeslice,
	442	.maxlen = sizeof(parport_default_timeslice),
	443	.mode = 0644,
	444	.proc_handler = &proc_doulongvec_ms_jiffies_minmax,
	445	.extra1 = (void*) &parport_min_timeslice_value,
	446	.extra2 = (void*) &parport_max_timeslice_value
	447	},
	448	{
2564b7bd EB	449	.procname = "spintime",
	450	.data = &parport_default_spintime,
	451	.maxlen = sizeof(parport_default_spintime),
	452	.mode = 0644,
	453	.proc_handler = &proc_dointvec_minmax,
	454	.extra1 = (void*) &parport_min_spintime_value,
	455	.extra2 = (void*) &parport_max_spintime_value
	456	},
	457	{}
	458	},
1da177e4	459	{
2564b7bd EB	460	{
	461	.ctl_name = DEV_PARPORT_DEFAULT,
	462	.procname = "default",
	463	.mode = 0555,
	464	.child = parport_default_sysctl_table.vars
	465	},
	466	{}
1da177e4	467	},
1da177e4	468	{
2564b7bd EB	469	PARPORT_PARPORT_DIR(parport_default_sysctl_table.default_dir),
	470	{}
	471	},
	472	{
	473	PARPORT_DEV_DIR(parport_default_sysctl_table.parport_dir),
	474	{}
	475	}
1da177e4 LT	476	};
	477
	478
	479	int parport_proc_register(struct parport *port)
	480	{
	481	struct parport_sysctl_table *t;
	482	int i;
	483
	484	t = kmalloc(sizeof(*t), GFP_KERNEL);
	485	if (t == NULL)
	486	return -ENOMEM;
	487	memcpy(t, &parport_sysctl_template, sizeof(*t));
	488
	489	t->device_dir[0].extra1 = port;
	490
25398a15	491	for (i = 0; i < 5; i++)
1da177e4 LT	492	t->vars[i].extra1 = port;
	493
	494	t->vars[0].data = &port->spintime;
	495	t->vars[5].child = t->device_dir;
	496
	497	for (i = 0; i < 5; i++)
	498	t->vars[6 + i].extra2 = &port->probe_info[i];
	499
	500	t->port_dir[0].procname = port->name;
25398a15	501	t->port_dir[0].ctl_name = 0;
1da177e4 LT	502
	503	t->port_dir[0].child = t->vars;
	504	t->parport_dir[0].child = t->port_dir;
	505	t->dev_dir[0].child = t->parport_dir;
	506
0b4d4147	507	t->sysctl_header = register_sysctl_table(t->dev_dir);
1da177e4 LT	508	if (t->sysctl_header == NULL) {
	509	kfree(t);
	510	t = NULL;
	511	}
	512	port->sysctl_table = t;
	513	return 0;
	514	}
	515
	516	int parport_proc_unregister(struct parport *port)
	517	{
	518	if (port->sysctl_table) {
	519	struct parport_sysctl_table *t = port->sysctl_table;
	520	port->sysctl_table = NULL;
	521	unregister_sysctl_table(t->sysctl_header);
	522	kfree(t);
	523	}
	524	return 0;
	525	}
	526
	527	int parport_device_proc_register(struct pardevice *device)
	528	{
	529	struct parport_device_sysctl_table *t;
	530	struct parport * port = device->port;
	531
	532	t = kmalloc(sizeof(*t), GFP_KERNEL);
	533	if (t == NULL)
	534	return -ENOMEM;
	535	memcpy(t, &parport_device_sysctl_template, sizeof(*t));
	536
	537	t->dev_dir[0].child = t->parport_dir;
	538	t->parport_dir[0].child = t->port_dir;
	539	t->port_dir[0].procname = port->name;
25398a15	540	t->port_dir[0].ctl_name = 0;
1da177e4 LT	541	t->port_dir[0].child = t->devices_root_dir;
	542	t->devices_root_dir[0].child = t->device_dir;
	543
25398a15	544	t->device_dir[0].ctl_name = 0;
1da177e4	545	t->device_dir[0].procname = device->name;
1da177e4 LT	546	t->device_dir[0].child = t->vars;
	547	t->vars[0].data = &device->timeslice;
	548
0b4d4147	549	t->sysctl_header = register_sysctl_table(t->dev_dir);
1da177e4 LT	550	if (t->sysctl_header == NULL) {
	551	kfree(t);
	552	t = NULL;
	553	}
	554	device->sysctl_table = t;
	555	return 0;
	556	}
	557
	558	int parport_device_proc_unregister(struct pardevice *device)
	559	{
	560	if (device->sysctl_table) {
	561	struct parport_device_sysctl_table *t = device->sysctl_table;
	562	device->sysctl_table = NULL;
	563	unregister_sysctl_table(t->sysctl_header);
	564	kfree(t);
	565	}
	566	return 0;
	567	}
	568
	569	static int __init parport_default_proc_register(void)
	570	{
	571	parport_default_sysctl_table.sysctl_header =
0b4d4147	572	register_sysctl_table(parport_default_sysctl_table.dev_dir);
1da177e4 LT	573	return 0;
	574	}
	575
	576	static void __exit parport_default_proc_unregister(void)
	577	{
	578	if (parport_default_sysctl_table.sysctl_header) {
	579	unregister_sysctl_table(parport_default_sysctl_table.
	580	sysctl_header);
	581	parport_default_sysctl_table.sysctl_header = NULL;
	582	}
	583	}
	584
	585	#else /* no sysctl or no procfs*/
	586
	587	int parport_proc_register(struct parport *pp)
	588	{
	589	return 0;
	590	}
	591
	592	int parport_proc_unregister(struct parport *pp)
	593	{
	594	return 0;
	595	}
	596
	597	int parport_device_proc_register(struct pardevice *device)
	598	{
	599	return 0;
	600	}
	601
	602	int parport_device_proc_unregister(struct pardevice *device)
	603	{
	604	return 0;
	605	}
	606
	607	static int __init parport_default_proc_register (void)
	608	{
	609	return 0;
	610	}
	611
	612	static void __exit parport_default_proc_unregister (void)
	613	{
	614	}
	615	#endif
	616
	617	module_init(parport_default_proc_register)
	618	module_exit(parport_default_proc_unregister)