From 30be5238b22072e44c48ed363a3be3900efb20b1 Mon Sep 17 00:00:00 2001
From: ben <ben@766a2236-cff9-0310-b0c0-a81a5f92509a>
Date: Mon, 9 Jul 2007 13:12:16 +0000
Subject: [PATCH] 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             | 30 ++++++++++++++++++++++++++++--
 fpgafs.h            |  6 ++++++
 fpgafs_lldrv_cham.c |  4 +++-
 fpgafs_lldrv_dbg.c  | 14 +++++++++++++-
 inode.c             |  2 ++
 llmgmt.c            | 13 +++++++++++++
 6 files changed, 65 insertions(+), 4 deletions(-)

diff --git a/files.c b/files.c
index 8867a7a..a9c7c3c 100644
--- a/files.c
+++ b/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, },
 	{},
diff --git a/fpgafs.h b/fpgafs.h
index 8b39e8c..0d7d5a3 100644
--- a/fpgafs.h
+++ b/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 */
diff --git a/fpgafs_lldrv_cham.c b/fpgafs_lldrv_cham.c
index 19e87c2..49a8dcd 100644
--- a/fpgafs_lldrv_cham.c
+++ b/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 ... */
diff --git a/fpgafs_lldrv_dbg.c b/fpgafs_lldrv_dbg.c
index b89c47e..423c4b6 100644
--- a/fpgafs_lldrv_dbg.c
+++ b/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 ... */
diff --git a/inode.c b/inode.c
index ac55351..2b05d31 100644
--- a/inode.c
+++ b/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;
 }
 
diff --git a/llmgmt.c b/llmgmt.c
index 7c5682a..b6c6a3d 100644
--- a/llmgmt.c
+++ b/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;