refactor: separate syscall interfaces from kernel space, into posix compliant structure.

[lunaix-os.git] / lunaix-os / kernel / device / devfs.c

diff --git a/lunaix-os/kernel/device/devfs.c b/lunaix-os/kernel/device/devfs.c
index 012f9190f7b1b54433eba624adf4fca4987dd07a..69de7fa62cb2fa29b56bf7eaaead3b483252975d 100644 (file)
--- a/lunaix-os/kernel/device/devfs.c
+++ b/lunaix-os/kernel/device/devfs.c
@@ -1,9 +1,10 @@
 #include <lunaix/device.h>
-#include <lunaix/dirent.h>
 #include <lunaix/fs.h>
 #include <lunaix/fs/devfs.h>
 #include <lunaix/spike.h>
 
+#include <usr/sys/dirent_defs.h>
+
 extern struct v_inode_ops devfs_inode_ops;
 extern struct v_file_ops devfs_file_ops;
 
@@ -35,6 +36,34 @@ devfs_write(struct v_inode* inode, void* buffer, size_t len, size_t fpos)
     return dev->write(dev, buffer, fpos, len);
 }
 
+int
+devfs_read_page(struct v_inode* inode, void* buffer, size_t len, size_t fpos)
+{
+    assert(inode->data);
+
+    struct device* dev = (struct device*)inode->data;
+
+    if (!dev->read_page) {
+        return ENOTSUP;
+    }
+
+    return dev->read_page(dev, buffer, fpos);
+}
+
+int
+devfs_write_page(struct v_inode* inode, void* buffer, size_t len, size_t fpos)
+{
+    assert(inode->data);
+
+    struct device* dev = (struct device*)inode->data;
+
+    if (!dev->read_page) {
+        return ENOTSUP;
+    }
+
+    return dev->read_page(dev, buffer, fpos);
+}
+
 int
 devfs_get_itype(struct device* dev)
 {
@@ -157,6 +186,8 @@ struct v_inode_ops devfs_inode_ops = { .dir_lookup = devfs_dirlookup,
 
 struct v_file_ops devfs_file_ops = { .close = default_file_close,
                                      .read = devfs_read,
+                                     .read_page = devfs_read_page,
                                      .write = devfs_write,
+                                     .write_page = devfs_write_page,
                                      .seek = default_file_seek,
                                      .readdir = devfs_readdir };
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