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quarks/app-laptop/easy-slow-down-manager/files/easy-slow-down-manager-0.3-...

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diff --git a/easy_slow_down_manager.c b/easy_slow_down_manager.c
index 7b2d1e9..1336557 100644
--- a/easy_slow_down_manager.c
+++ b/easy_slow_down_manager.c
@@ -4,6 +4,7 @@
#include <linux/proc_fs.h>
#include <linux/pci.h>
#include <linux/delay.h>
+#include <linux/version.h>
#include <asm/uaccess.h>
#include <linux/dmi.h>
@@ -101,7 +102,7 @@ MODULE_PARM_DESC(debug, "Verbose output");
int sabi_exec_command(u8 command, u8 data, struct sabi_retval *sretval)
{
int retval = 0;
-
+
mutex_lock(&sabi_mutex);
/* enable memory to be able to write to it */
@@ -141,22 +142,25 @@ int sabi_exec_command(u8 command, u8 data, struct sabi_retval *sretval)
return retval;
}
-int easy_slow_down_read(char *page, char **start, off_t off,
- int count, int *eof, void *data) {
+ssize_t easy_slow_down_read(struct file *filp, char __user *buffer,
+ size_t length, loff_t *off) {
struct sabi_retval sretval;
-
- if (off > 0) {
- *eof = 1;
- }
- else if (!sabi_exec_command(SABI_GET_ETIQUETTE_MODE, 0, &sretval)) {
- page[0] = sretval.retval[0] + '0';
+
+ if (*off > 0)
+ return 0;
+
+ if (!sabi_exec_command(SABI_GET_ETIQUETTE_MODE, 0, &sretval)) {
+ char mode = sretval.retval[0] + '0';
+ if (copy_to_user(buffer, &mode, 1))
+ return -EFAULT;
+ (*off)++;
return 1;
}
return 0;
}
-int easy_slow_down_write(struct file *file, const char __user *buffer,
- unsigned long count, void *data) {
+ssize_t easy_slow_down_write(struct file *filp, const char __user *buffer,
+ size_t count, loff_t *off) {
char mode = '0';
if (copy_from_user(&mode, buffer, 1)) {
return -EFAULT;
@@ -167,22 +171,25 @@ int easy_slow_down_write(struct file *file, const char __user *buffer,
return count;
}
-int easy_backlight_read(char *page, char **start, off_t off,
- int count, int *eof, void *data) {
+ssize_t easy_backlight_read(struct file *filp, char __user *buffer,
+ size_t length, loff_t *off) {
struct sabi_retval sretval;
-
- if (off > 0) {
- *eof = 1;
- }
- else if (!sabi_exec_command(SABI_GET_BACKLIGHT, 0, &sretval)) {
- page[0] = sretval.retval[0] + '0';
+
+ if (*off > 0)
+ return 0;
+
+ if (!sabi_exec_command(SABI_GET_BACKLIGHT, 0, &sretval)) {
+ char mode = sretval.retval[0] + '0';
+ if (copy_to_user(buffer, &mode, 1))
+ return -EFAULT;
+ (*off)++;
return 1;
}
return 0;
}
-int easy_backlight_write(struct file *file, const char __user *buffer,
- unsigned long count, void *data) {
+ssize_t easy_backlight_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off) {
char mode = '0';
if (copy_from_user(&mode, buffer, 1)) {
return -EFAULT;
@@ -193,22 +200,25 @@ int easy_backlight_write(struct file *file, const char __user *buffer,
return count;
}
-int easy_wifi_kill_read(char *page, char **start, off_t off,
- int count, int *eof, void *data) {
+ssize_t easy_wifi_kill_read(struct file *filp, char __user *buffer,
+ size_t length, loff_t *off) {
struct sabi_retval sretval;
-
- if (off > 0) {
- *eof = 1;
- }
- else if (!sabi_exec_command(SABI_GET_WIRELESS_BUTTON, 0, &sretval)) {
- page[0] = sretval.retval[0] + '0';
+
+ if (*off > 0)
+ return 0;
+
+ if (!sabi_exec_command(SABI_GET_WIRELESS_BUTTON, 0, &sretval)) {
+ char mode = sretval.retval[0] + '0';
+ if (copy_to_user(buffer, &mode, 1))
+ return -EFAULT;
+ (*off)++;
return 1;
}
return 0;
}
-int easy_wifi_kill_write(struct file *file, const char __user *buffer,
- unsigned long count, void *data) {
+ssize_t easy_wifi_kill_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *off) {
char mode = '0';
if (copy_from_user(&mode, buffer, 1)) {
return -EFAULT;
@@ -219,8 +229,26 @@ int easy_wifi_kill_write(struct file *file, const char __user *buffer,
return count;
}
+static const struct file_operations proc_fops_slow_down = {
+ .owner = THIS_MODULE,
+ .read = easy_slow_down_read,
+ .write = easy_slow_down_write
+};
+
+static const struct file_operations proc_fops_wifi_kill = {
+ .owner = THIS_MODULE,
+ .read = easy_wifi_kill_read,
+ .write = easy_wifi_kill_write
+};
+
+static const struct file_operations proc_fops_backlight = {
+ .owner = THIS_MODULE,
+ .read = easy_backlight_read,
+ .write = easy_backlight_write
+};
+
int __init easy_slow_down_init(void) {
-
+
const char *test_str = "SwSmi@";
int pos;
int index = 0;
@@ -290,19 +318,15 @@ int __init easy_slow_down_init(void) {
}
- proc_entry_slow_down = create_proc_entry("easy_slow_down_manager", 0666, NULL);
+ proc_entry_slow_down = proc_create("easy_slow_down_manager", 0666, NULL, &proc_fops_slow_down);
if (proc_entry_slow_down == NULL) {
printk(KERN_INFO "Easy slow down manager: Couldn't create proc entry\n");
iounmap(sabi_iface);
iounmap(f0000_segment);
return -ENOMEM;
}
- else {
- proc_entry_slow_down->read_proc = easy_slow_down_read;
- proc_entry_slow_down->write_proc = easy_slow_down_write;
- }
- proc_entry_wifi_kill = create_proc_entry("easy_wifi_kill", 0666, NULL);
+ proc_entry_wifi_kill = proc_create("easy_wifi_kill", 0666, NULL, &proc_fops_wifi_kill);
if (proc_entry_wifi_kill == NULL) {
printk(KERN_INFO "Easy slow down manager: Couldn't create proc entry\n");
remove_proc_entry("easy_slow_down_manager", NULL);
@@ -310,12 +334,8 @@ int __init easy_slow_down_init(void) {
iounmap(f0000_segment);
return -ENOMEM;
}
- else {
- proc_entry_wifi_kill->read_proc = easy_wifi_kill_read;
- proc_entry_wifi_kill->write_proc = easy_wifi_kill_write;
- }
-
- proc_entry_backlight = create_proc_entry("easy_backlight", 0666, NULL);
+
+ proc_entry_backlight = proc_create("easy_backlight", 0666, NULL, &proc_fops_backlight);
if (proc_entry_backlight == NULL) {
printk(KERN_INFO "Easy slow down manager: Couldn't create proc entry\n");
remove_proc_entry("easy_slow_down_manager", NULL);
@@ -324,10 +344,6 @@ int __init easy_slow_down_init(void) {
iounmap(f0000_segment);
return -ENOMEM;
}
- else {
- proc_entry_backlight->read_proc = easy_backlight_read;
- proc_entry_backlight->write_proc = easy_backlight_write;
- }
return 0;
}
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