15 #include <linux/string.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>
25 #include <asm/uaccess.h>
27 #if defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS)
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
35 void __user *
result,
size_t *lenp, loff_t *ppos)
70 #ifdef CONFIG_PARPORT_1284
71 static int do_autoprobe(
ctl_table *table,
int write,
72 void __user *result,
size_t *lenp, loff_t *ppos)
88 len +=
sprintf (buffer + len,
"CLASS:%s;\n", str);
91 len +=
sprintf (buffer + len,
"MODEL:%s;\n", str);
94 len +=
sprintf (buffer + len,
"MANUFACTURER:%s;\n", str);
97 len +=
sprintf (buffer + len,
"DESCRIPTION:%s;\n", str);
100 len +=
sprintf (buffer + len,
"COMMAND SET:%s;\n", str);
113 static int do_hardware_base_addr (
ctl_table *table,
int write,
115 size_t *lenp, loff_t *ppos)
141 static int do_hardware_irq (
ctl_table *table,
int write,
143 size_t *lenp, loff_t *ppos)
169 static int do_hardware_dma (
ctl_table *table,
int write,
171 size_t *lenp, loff_t *ppos)
197 static int do_hardware_modes (
ctl_table *table,
int write,
199 size_t *lenp, loff_t *ppos)
214 #define printmode(x) {if(port->modes&PARPORT_MODE_##x){len+=sprintf(buffer+len,"%s%s",f?",":"",#x);f++;}}
224 buffer[len++] =
'\n';
236 #define PARPORT_PORT_DIR(CHILD) { .procname = NULL, .mode = 0555, .child = CHILD }
237 #define PARPORT_PARPORT_DIR(CHILD) { .procname = "parport", \
238 .mode = 0555, .child = CHILD }
239 #define PARPORT_DEV_DIR(CHILD) { .procname = "dev", .mode = 0555, .child = CHILD }
240 #define PARPORT_DEVICES_ROOT_DIR { .procname = "devices", \
241 .mode = 0555, .child = NULL }
243 static const unsigned long parport_min_timeslice_value =
244 PARPORT_MIN_TIMESLICE_VALUE;
246 static const unsigned long parport_max_timeslice_value =
247 PARPORT_MAX_TIMESLICE_VALUE;
249 static const int parport_min_spintime_value =
250 PARPORT_MIN_SPINTIME_VALUE;
252 static const int parport_max_spintime_value =
253 PARPORT_MAX_SPINTIME_VALUE;
256 struct parport_sysctl_table {
265 static const struct parport_sysctl_table parport_sysctl_template = {
266 .sysctl_header =
NULL,
269 .procname =
"spintime",
271 .maxlen =
sizeof(
int),
274 .extra1 = (
void*) &parport_min_spintime_value,
275 .extra2 = (
void*) &parport_max_spintime_value
278 .procname =
"base-addr",
282 .proc_handler = do_hardware_base_addr
289 .proc_handler = do_hardware_irq
296 .proc_handler = do_hardware_dma
303 .proc_handler = do_hardware_modes
305 PARPORT_DEVICES_ROOT_DIR,
306 #ifdef CONFIG_PARPORT_1284
308 .procname =
"autoprobe",
312 .proc_handler = do_autoprobe
315 .procname =
"autoprobe0",
319 .proc_handler = do_autoprobe
322 .procname =
"autoprobe1",
326 .proc_handler = do_autoprobe
329 .procname =
"autoprobe2",
333 .proc_handler = do_autoprobe
336 .procname =
"autoprobe3",
340 .proc_handler = do_autoprobe
347 .procname =
"active",
351 .proc_handler = do_active_device
356 PARPORT_PORT_DIR(
NULL),
360 PARPORT_PARPORT_DIR(
NULL),
364 PARPORT_DEV_DIR(
NULL),
369 struct parport_device_sysctl_table
380 static const struct parport_device_sysctl_table
381 parport_device_sysctl_template = {
382 .sysctl_header =
NULL,
385 .procname =
"timeslice",
387 .maxlen =
sizeof(
unsigned long),
390 .extra1 = (
void*) &parport_min_timeslice_value,
391 .extra2 = (
void*) &parport_max_timeslice_value
405 PARPORT_DEVICES_ROOT_DIR,
409 PARPORT_PORT_DIR(
NULL),
413 PARPORT_PARPORT_DIR(
NULL),
417 PARPORT_DEV_DIR(
NULL),
422 struct parport_default_sysctl_table
431 static struct parport_default_sysctl_table
432 parport_default_sysctl_table = {
433 .sysctl_header =
NULL,
436 .procname =
"timeslice",
441 .extra1 = (
void*) &parport_min_timeslice_value,
442 .extra2 = (
void*) &parport_max_timeslice_value
445 .procname =
"spintime",
450 .extra1 = (
void*) &parport_min_spintime_value,
451 .extra2 = (
void*) &parport_max_spintime_value
457 .procname =
"default",
459 .child = parport_default_sysctl_table.vars
464 PARPORT_PARPORT_DIR(parport_default_sysctl_table.default_dir),
468 PARPORT_DEV_DIR(parport_default_sysctl_table.parport_dir),
476 struct parport_sysctl_table *
t;
482 memcpy(t, &parport_sysctl_template,
sizeof(*t));
484 t->device_dir[0].extra1 =
port;
486 for (i = 0; i < 5; i++)
487 t->vars[i].extra1 = port;
490 t->vars[5].child = t->device_dir;
492 for (i = 0; i < 5; i++)
495 t->port_dir[0].procname = port->
name;
497 t->port_dir[0].child = t->vars;
498 t->parport_dir[0].child = t->port_dir;
499 t->dev_dir[0].child = t->parport_dir;
502 if (t->sysctl_header ==
NULL) {
523 struct parport_device_sysctl_table *
t;
529 memcpy(t, &parport_device_sysctl_template,
sizeof(*t));
531 t->dev_dir[0].child = t->parport_dir;
532 t->parport_dir[0].child = t->port_dir;
533 t->port_dir[0].procname = port->
name;
534 t->port_dir[0].child = t->devices_root_dir;
535 t->devices_root_dir[0].child = t->device_dir;
537 t->device_dir[0].procname = device->
name;
538 t->device_dir[0].child = t->vars;
542 if (t->sysctl_header ==
NULL) {
553 struct parport_device_sysctl_table *t = device->
sysctl_table;
561 static int __init parport_default_proc_register(
void)
563 parport_default_sysctl_table.sysctl_header =
568 static void __exit parport_default_proc_unregister(
void)
570 if (parport_default_sysctl_table.sysctl_header) {
573 parport_default_sysctl_table.sysctl_header =
NULL;
599 static int __init parport_default_proc_register (
void)
604 static void __exit parport_default_proc_unregister (
void)