add the next directory entries

git-svn-id: svn+ssh://en.codiert.org/home/staff/ben/dev/misc.svn/projects/fpgafs@356 766a2236-cff9-0310-b0c0-a81a5f92509a

files.c

@@ -76,12 +76,38 @@ static const struct file_operations fpgafs_cmd_fops = {
 	.write = fpgafs_cmd_write,
 };
 
+static ssize_t fpgafs_load_read(struct file *file, char __user *buf,
+                                size_t len, loff_t *pos)
+{
+	return 0;
+}
+
+static ssize_t fpgafs_load_write(struct file *file, const char __user *buf,
+                                size_t len, loff_t *pos)
+{
+	return 0;
+}
+
+static const struct file_operations fpgafs_load_fops = {
+	.open  = fpgafs_open,
+	.write = fpgafs_load_write,
+	.read  = fpgafs_load_read,
+};
+
+static const struct file_operations fpgafs_din_fops = {
+	.open  = fpgafs_open,
+	.read  = fpgafs_recv_data,
+};
+
+static const struct file_operations fpgafs_dout_fops = {
+	.open  = fpgafs_open,
+	.write = fpgafs_send_data,
+};
+
 struct tree_descr fpgafs_dir_contents[] = {
-#if 0
 	{ "din",  &fpgafs_din_fops, 0222, },
 	{ "dout", &fpgafs_dout_fops, 0444, },
 	{ "load", &fpgafs_load_fops, 0666, },
-#endif
 	{ "cmd",  &fpgafs_cmd_fops,  0222, },
 	{ "stat", &fpgafs_stat_fops, 0444, },
 	{},

fpgafs.h

@@ -42,6 +42,9 @@ struct fpgafs_lldrv {
 
 	int (*send) (unsigned char *buf, int len);
 	int (*recv) (unsigned char *buf, int len);
+
+	int (*read_load) (unsigned char *buf, int len);
+	int (*write_load) (unsigned char *buf, int len);
 };
 
 int fpgafs_register_lldrv(struct fpgafs_lldrv *drv);
@@ -50,4 +53,7 @@ int fpgafs_unregister_lldrv(struct fpgafs_lldrv *drv);
 int fpgafs_send_data(char *buf, int len);
 int fpgafs_recv_data(char *buf, int len);
 
+int fpgafs_read_load(char *buf, int len);
+int fpgafs_write_load(char *buf, int len);
+
 #endif /* FPGAFS_H */

fpgafs_lldrv_cham.c

@@ -23,7 +23,9 @@ static struct fpgafs_lldrv fpgafs_lldrv_cham = {
 	.init = NULL,
 	.exit = NULL,
 	.send = &fpgafs_send_data_cham,
-	.recv = &fpgafs_recv_data_cham
+	.recv = &fpgafs_recv_data_cham,
+	.read_load = NULL,
+	.write_load = NULL,
 };
 
 /* init exit functions ... */

fpgafs_lldrv_dbg.c

@@ -18,12 +18,24 @@ static int fpgafs_recv_data_dbg(unsigned char *buf, int len)
 	return 4;
 }
 
+static int fpgafs_read_load_dbg(unsigned char *buf, int len)
+{
+	return 0;
+}
+
+static int fpgafs_write_load_dbg(unsigned char *buf, int len)
+{
+	return 0;
+}
+
 static struct fpgafs_lldrv fpgafs_lldrv_dbg = {
 	.name = "dbg",
 	.init = NULL,
 	.exit = NULL,
 	.send = &fpgafs_send_data_dbg,
-	.recv = &fpgafs_recv_data_dbg
+	.recv = &fpgafs_recv_data_dbg,
+	.read_load = &fpgafs_read_load_dbg,
+	.write_load = &fpgafs_write_load_dbg,
 };
 
 /* init exit functions ... */

inode.c

@@ -296,6 +296,8 @@ int __init fpgafs_init(void)
 		return -ENOMEM;
 
 	register_filesystem(&fpgafs_type);
+	printk("fpgafs: Benjamin Krill <ben@codiert.org");
+	printk("fpgafs: successfull loaded ...");
 	return 0;
 }
 

llmgmt.c

@@ -25,6 +25,19 @@ int fpgafs_recv_data(char *buf, int len)
 }
 EXPORT_SYMBOL_GPL(fpgafs_recv_data);
 
+int fpgafs_write_load(char *buf, int len)
+{
+	return (lldrv_cur) ? lldrv_cur->write_load(buf, len) : -EBUSY;
+}
+EXPORT_SYMBOL_GPL(fpgafs_write_load);
+
+int fpgafs_read_load(char *buf, int len)
+{
+	return (lldrv_cur) ? lldrv_cur->read_load(buf, len) : -EBUSY;
+}
+EXPORT_SYMBOL_GPL(fpgafs_read_load);
+
+/* low level un-/register functions */
 int fpgafs_register_lldrv(struct fpgafs_lldrv *drv)
 {
 	unsigned long flags;