path: root/x11-drivers/ati-drivers/files/ati-drivers-13.6-linux-3.10-proc.diff

diff --git a/common/lib/modules/fglrx/build_mod/drmP.h b/common/lib/modules/fglrx/build_mod/drmP.h
index 81546b2..4e74526 100755
--- a/common/lib/modules/fglrx/build_mod/drmP.h
+++ b/common/lib/modules/fglrx/build_mod/drmP.h
@@ -901,10 +901,6 @@ int                   DRM(stub_register)(const char *name,
 int                   DRM(stub_unregister)(int minor);
 
 				/* Proc support (drm_proc.h) */
-extern struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev,
-					     int minor,
-					     struct proc_dir_entry *root,
-					     struct proc_dir_entry **dev_root);
 extern int            DRM(proc_cleanup)(int minor,
 					struct proc_dir_entry *root,
 					struct proc_dir_entry *dev_root);
diff --git a/common/lib/modules/fglrx/build_mod/drm_proc.h b/common/lib/modules/fglrx/build_mod/drm_proc.h
index 1e3ab4a..c52ad7e 100755
--- a/common/lib/modules/fglrx/build_mod/drm_proc.h
+++ b/common/lib/modules/fglrx/build_mod/drm_proc.h
@@ -75,61 +75,6 @@ struct drm_proc_list {
 #define DRM_PROC_ENTRIES (sizeof(DRM(proc_list))/sizeof(DRM(proc_list)[0]))
 
 /**
- * Initialize the DRI proc filesystem for a device.
- *
- * \param dev DRM device.
- * \param minor device minor number.
- * \param root DRI proc dir entry.
- * \param dev_root resulting DRI device proc dir entry.
- * \return root entry pointer on success, or NULL on failure.
- * 
- * Create the DRI proc root entry "/proc/ati", the device proc root entry
- * "/proc/ati/%minor%/", and each entry in proc_list as
- * "/proc/ati/%minor%/%name%".
- */
-struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev, int minor,
-				      struct proc_dir_entry *root,
-				      struct proc_dir_entry **dev_root)
-{
-	struct proc_dir_entry *ent;
-	int		      i, j;
-	char                  name[64];
-
-	if (!minor) root = create_proc_entry("dri", S_IFDIR, NULL);
-	if (!root) {
-		DRM_ERROR("Cannot create /proc/ati\n");
-		return NULL;
-	}
-
-	sprintf(name, "%d", minor);
-	*dev_root = create_proc_entry(name, S_IFDIR, root);
-	if (!*dev_root) {
-		DRM_ERROR("Cannot create /proc/ati/%s\n", name);
-		return NULL;
-	}
-
-	for (i = 0; i < DRM_PROC_ENTRIES; i++) {
-		ent = create_proc_entry(DRM(proc_list)[i].name,
-					S_IFREG|S_IRUGO, *dev_root);
-		if (!ent) {
-			DRM_ERROR("Cannot create /proc/ati/%s/%s\n",
-				  name, DRM(proc_list)[i].name);
-			for (j = 0; j < i; j++)
-				remove_proc_entry(DRM(proc_list)[i].name,
-						  *dev_root);
-			remove_proc_entry(name, root);
-			if (!minor) remove_proc_entry("dri", NULL);
-			return NULL;
-		}
-		ent->read_proc = DRM(proc_list)[i].f;
-		ent->data      = dev;
-	}
-
-	return root;
-}
-
-
-/**
  * Cleanup the proc filesystem resources.
  *
  * \param minor device minor number.
diff --git a/common/lib/modules/fglrx/build_mod/firegl_public.c b/common/lib/modules/fglrx/build_mod/firegl_public.c
index d3ad3ce..890a0aa 100755
--- a/common/lib/modules/fglrx/build_mod/firegl_public.c
+++ b/common/lib/modules/fglrx/build_mod/firegl_public.c
@@ -583,6 +583,202 @@ kcl_proc_list_t KCL_PROC_FileList[] =
     { "NULL",           NULL,                       NULL} // Terminate List!!!
 };
 
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)
+typedef int (read_proc_t)(char *page, char **start, off_t off, int count, int *eof, void *data);
+typedef int (write_proc_t)(struct file *file, const char __user *buffer, unsigned long count, void *data);
+#else
+#define PDE_DATA(inode) (PDE((inode))->data)
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)
+typedef struct {
+	read_proc_t *read_func;
+	write_proc_t *write_func;
+	void *data;
+} gentoo_proc_wrapper_t;
+
+#define GENTOO_PROC_WRAPPER_OVERFLOW_MAGIC 939750305
+
+static ssize_t gentoo_proc_wrapper_read (struct file *myfile, char __user *buffer, size_t count, loff_t *offset) {
+	int is_eof=0, retval;
+	char *start, *usebuffer=NULL;
+	gentoo_proc_wrapper_t* wrapper_data=(gentoo_proc_wrapper_t*)(myfile->private_data);
+	if (PAGE_SIZE<*offset) {
+		printk(KERN_ERR "Trying to read beyond 4k on proc\n");
+		return -EIO;
+	}
+	//printk(KERN_NOTICE " call with: dev %p, func %p\n", wrapper_data->data, wrapper_data->read_func);
+
+	usebuffer=kmalloc(2*PAGE_SIZE, GFP_KERNEL);
+	if (!usebuffer)
+		return -ENOMEM;
+	((u32*)usebuffer)[1024]=GENTOO_PROC_WRAPPER_OVERFLOW_MAGIC;
+
+	retval=wrapper_data->read_func(usebuffer, &start, *offset, count, &is_eof, wrapper_data->data);
+
+	BUG_ON(GENTOO_PROC_WRAPPER_OVERFLOW_MAGIC != ((u32*)usebuffer)[1024]);
+
+	if (0 > retval)
+	{
+		printk(KERN_ERR "Proc read failed with %d", retval);
+		goto out;
+	}
+
+	if (copy_to_user(buffer, start, retval)) {
+		printk(KERN_NOTICE "copy to user failed in amd drivers proc code\n");
+		retval=-EFAULT;
+		goto out;
+	}
+	*offset+=retval;
+
+out:
+	if (usebuffer)
+		kfree(usebuffer);
+	return retval;
+}
+static ssize_t gentoo_proc_wrapper_write (struct file *myfile, const char __user *buffer, size_t count, loff_t *offset) {
+	gentoo_proc_wrapper_t* wrapper_data=(gentoo_proc_wrapper_t*)(myfile->private_data);
+	int retval=0;
+	void *usebuffer=NULL;
+
+	BUG_ON(*offset);
+	if (!wrapper_data->write_func)
+		return -EPERM;
+
+	usebuffer=kmalloc(count, GFP_KERNEL);
+	if (!usebuffer)
+		return -ENOMEM;
+	if (copy_from_user(usebuffer, buffer, count)) {
+		printk(KERN_NOTICE "copy from user failed in amd drivers proc code\n");
+		retval=-EFAULT;
+		goto out;
+	}
+
+	retval=wrapper_data->write_func(myfile, buffer, count, wrapper_data->data);
+	*offset+=retval;
+out:
+	if (usebuffer)
+		kfree(usebuffer);
+	return retval;
+}
+static int gentoo_proc_wrapper_open(struct inode *myinode, struct file *myfile) {
+	myfile->private_data=PDE_DATA(myinode);
+	return generic_file_open(myinode, myfile);
+}
+struct file_operations gentoo_proc_fops = {
+	.read=gentoo_proc_wrapper_read,
+	.write=gentoo_proc_wrapper_write,
+	.open=gentoo_proc_wrapper_open,
+};
+
+static void *gentoo_proc_wrapper_data(read_proc_t *reader, write_proc_t *writer, void *mydata) {
+	gentoo_proc_wrapper_t *retval=kmalloc(sizeof(gentoo_proc_wrapper_t), GFP_KERNEL);
+	if (!retval)
+		return retval;
+	retval->read_func=reader;
+	retval->write_func=writer;
+	retval->data=mydata;
+	return retval;
+}
+
+static struct proc_dir_entry *firegl_proc_init( device_t *dev,
+                                                int minor,
+                                                struct proc_dir_entry *root,
+                                                struct proc_dir_entry **dev_root,
+                                                kcl_proc_list_t *proc_list ) // proc_list must be terminated!
+{
+    struct proc_dir_entry *ent;
+    char    name[64];
+    kcl_proc_list_t *list = proc_list;
+	void *tempdata;
+    KCL_DEBUG1(FN_FIREGL_PROC, "minor %d, proc_list 0x%08lx\n", minor, (unsigned long)proc_list);
+    if (!minor)
+    {
+        root = proc_mkdir("ati", NULL);
+    }
+
+    if (!root)
+    {
+        KCL_DEBUG_ERROR("Cannot create /proc/ati\n");
+        return NULL;
+    }
+
+    if (minor == 0)
+    {
+        // Global major debice number entry
+		tempdata=gentoo_proc_wrapper_data((read_proc_t*)firegl_major_proc_read, NULL, NULL);
+		if (!tempdata)
+			return NULL;
+        ent = proc_create_data("major", S_IFREG|S_IRUGO, root, &gentoo_proc_fops, tempdata);
+        if (!ent)
+        {
+            remove_proc_entry("ati", NULL);
+            KCL_DEBUG_ERROR("Cannot create /proc/ati/major\n");
+            return NULL;
+        }
+    }
+
+    sprintf(name, "%d", minor);
+    *dev_root = proc_mkdir(name, root);
+    if (!*dev_root) {
+        remove_proc_entry("major", root);
+        remove_proc_entry("ati", NULL);
+        KCL_DEBUG_ERROR("Cannot create /proc/ati/%s\n", name);
+        return NULL;
+    }
+
+    while (list->f || list->fops)
+    {
+		struct file_operations *my_fops = &gentoo_proc_fops;
+        if (list->fops)
+        {
+            my_fops = (struct file_operations*)list->fops;
+			tempdata=(dev->pubdev.signature == FGL_DEVICE_SIGNATURE)? firegl_find_device(minor) : (dev);
+        }
+		else {
+			BUG_ON(!list->f);
+			tempdata=gentoo_proc_wrapper_data((read_proc_t*)list->f, NULL, (dev->pubdev.signature == FGL_DEVICE_SIGNATURE)? firegl_find_device(minor) : (dev) );
+			if (!tempdata)
+				return NULL;
+		}
+		//printk(KERN_NOTICE "name %s, dev %p, func %p, data %p\n", list->name, (dev->pubdev.signature == FGL_DEVICE_SIGNATURE)? firegl_find_device(minor) : (dev), list->f, tempdata);
+        ent = proc_create_data(list->name, S_IFREG|S_IRUGO, *dev_root, my_fops, tempdata);
+
+        if (!ent)
+        {
+            KCL_DEBUG_ERROR("Cannot create /proc/ati/%s/%s\n", name, list->name);
+            while (proc_list != list)
+            {
+                remove_proc_entry(proc_list->name, *dev_root);
+                proc_list++;
+            }
+            remove_proc_entry(name, root);
+            if (!minor)
+            {
+                remove_proc_entry("major", root);
+                remove_proc_entry("ati", NULL);
+            }
+            return NULL;
+        }
+
+        list++;
+    }
+
+    if (minor == 0)
+    {
+        // Global debug entry, only create it once
+		tempdata=gentoo_proc_wrapper_data((read_proc_t*)firegl_debug_proc_read_wrap, (write_proc_t*)firegl_debug_proc_write_wrap, dev);
+		if (!tempdata)
+			return NULL;
+        ent=proc_create_data("debug", S_IFREG|S_IRUGO, root, &gentoo_proc_fops, tempdata);
+		if (!ent)
+			return NULL;
+    }
+
+    return root;
+}
+#else
 static struct proc_dir_entry *firegl_proc_init( device_t *dev,
                                                 int minor,
                                                 struct proc_dir_entry *root,
@@ -677,6 +873,7 @@ static struct proc_dir_entry *firegl_proc_init( device_t *dev,
 
     return root;
 }
+#endif
 
 static int firegl_proc_cleanup( int minor,
                                 struct proc_dir_entry *root,
@@ -6135,59 +6332,4 @@ void ATI_API_CALL KCL_fpu_end(void)
     kernel_fpu_end();
 }
 
-/** Create new directory entry under "/proc/ati/...."
- * Where
- * root_dir - Root directory. If NULL then we should use "/proc/ati" root.
- * name    - Pointer to the name of directory
- * access  - Access attribute. We could use it to disable access to the directory for everybody accept owner.
- *                By default owner is root.
- * Return NULL if failure. Pointer to proc_dir_entry otherwise
- */
-void * KCL_create_proc_dir(void *root_dir, const char *name, unsigned int access)
-{
-    struct proc_dir_entry *dir = NULL;
-
-    if (root_dir == NULL)
-         dir = create_proc_entry(name, S_IFDIR | access, firegl_stub_root);
-    else
-         dir = create_proc_entry(name, S_IFDIR | access, (struct proc_dir_entry *)root_dir);
-
-    return dir;
-}
-
-/* Remove proc directory entry
- * root   - Pointer to directory proc entry or NULL if for "/proc/ati"
- * name - Name to delete
- */
-void KCL_remove_proc_dir_entry(void *root, const char *name)
-{
-    if (root == NULL)
-        remove_proc_entry(name, firegl_stub_root);
-    else
-        remove_proc_entry(name, (struct proc_dir_entry *)root);
-}
-
-
-/* Create proc_entry under "root_dir"
- * read_fn - Function which will be called on read request
- * write_fn - Function which will be called on write request
- * private_data - Pointer to private data which will be passed
- */
-void KCL_create_proc_entry(void *root_dir, const char *name, unsigned int access_mode, void *read_fn, void *write_fn, void *private_data)
-{
-    struct proc_dir_entry *ent = NULL;
-
-    if (root_dir == NULL || name == NULL)
-        return;
-
-    ent = create_proc_entry(name, access_mode, (struct proc_dir_entry *)root_dir);
-
-    if (ent)
-    {
-        ent->read_proc = (read_proc_t *)read_fn;    
-        ent->write_proc = (write_proc_t *)write_fn; 
-        ent->data = private_data;
-    }
-}
-
 #endif /* __KERNEL__ */