static int param_write_proc_debug(struct file *file, const char *buffer,
unsigned long count, void *data)
{
char *buf;
if (count < 1)
return -EINVAL;
buf = kmalloc(count, GFP_KERNEL);
if (!buf)
return -ENOMEM;
if (copy_from_user(buf, buffer, count)) {
kfree(buf);
return -EFAULT;
}
switch(buf[0]) {
case '0':
param_show_info();
break;
case '1':
param_set_default();
save_lfs_param_value();
klogi("Parameters have been set as DEFAULT values...");
param_show_info();
break;
case '2':
param_run_test();
break;
case '3':
param_lfs_run_test();
break;
default:
kfree(buf);
return -EINVAL;
}
kfree(buf);
return count;
}
void set_param_value(int idx, void *value)
{
int i, str_i;
klogi("inside set_param_value1 idx = %d, value = %d", idx, value);
for (i = 0; i < MAX_PARAM; i++) {
if (i < (MAX_PARAM - MAX_STRING_PARAM)) {
if(param_status.param_list[i].ident == idx) {
param_status.param_list[i].value = *(int *)value;
}
}
else {
str_i = (i - (MAX_PARAM - MAX_STRING_PARAM));
if(param_status.param_str_list[str_i].ident == idx) {
strlcpy(param_status.param_str_list[str_i].value,
(char *)value, PARAM_STRING_SIZE);
}
}
}
save_lfs_param_value();
}
static int param_init(void)
{
int ret;
#ifdef PARAM_USE_INIT_BUFFER
param_buf = kmalloc(PARAM_LEN, GFP_KERNEL);
if (!param_buf) {
kloge("Unable to alloc param_buf!");
return -ENOMEM;
}
image_buf = kmalloc(IMAGE_LEN, GFP_KERNEL);
if (!image_buf) {
kloge("Unable to alloc image_buf!");
kfree(param_buf);
return -ENOMEM;
}
#endif
#ifdef PARAM_PROCFS_DEBUG
struct proc_dir_entry *ent;
/* Creats '/proc/param' directory */
param_dir = proc_mkdir("param", NULL);
if (param_dir == NULL) {
kloge("Unable to create /proc/param directory\n");
return -ENOMEM;
}
/* Creats RW '/proc/param/sleep/debug' entry */
ent = create_proc_entry("debug", 0, param_dir);
if (ent == NULL) {
kloge("Unable to create /proc/param/debug entry");
ret = -ENOMEM;
goto fail;
}
ent->read_proc = param_read_proc_debug;
ent->write_proc = param_write_proc_debug;
#endif
klogi("param_init");
if(set_default_param) {
param_set_default();
save_lfs_param_value();
klogi("Parameters have been set as DEFAULT values...");
}
ret = load_lfs_param_value();
if (ret < 0) {
kloge("Loading parameters failed. Parameters have been initialized as default.");
param_set_default();
}
/* set the kernel default reboot mode to FORCED_REBOOT_MODE */
/* param_status.param_list[9].value = FORCED_REBOOT_MODE; */
sec_set_param_value = set_param_value;
sec_get_param_value = get_param_value;
return 0;
#ifdef PARAM_PROCFS_DEBUG
fail:
remove_proc_entry("param", 0);
#ifdef PARAM_USE_INIT_BUFFER
kfree(param_buf);
kfree(image_buf);
#endif
return ret;
#endif
}
