X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/ea77b9c3fc7fb9bf9d7f9604fc187c8049212a2a..642855f81fd03b9fd6540ac99c665b57b4b38cc8:/lunaix-os/kernel/device/devfs.c

diff --git a/lunaix-os/kernel/device/devfs.c b/lunaix-os/kernel/device/devfs.c
index 012f919..c265c4b 100644
--- a/lunaix-os/kernel/device/devfs.c
+++ b/lunaix-os/kernel/device/devfs.c
@@ -35,6 +35,34 @@ 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 +185,8 @@ 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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