yaffs-direct: Refactor nand simulator driver look-up.

[yaffs2.git] / direct / test-framework / yaffs_nandsim_file.c

diff --git a/direct/test-framework/yaffs_nandsim_file.c b/direct/test-framework/yaffs_nandsim_file.c
new file mode 100644 (file)
index 0000000..962b3d6
--- /dev/null
+++ b/direct/test-framework/yaffs_nandsim_file.c
@@ -0,0 +1,71 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2011 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+
+#include "yaffs_nandsim_file.h"
+
+#include "nandsim_file.h"
+#include "nand_chip.h"
+#include "yaffs_guts.h"
+#include <stddef.h>
+
+
+struct yaffs_dev *yaffs_nandsim_install_drv(const char *dev_name,
+                                       const char *backing_file_name,
+                                       int n_blocks)
+{
+       struct yaffs_dev *dev;
+       char *name_copy = NULL;
+       struct yaffs_param *param;
+       struct nand_chip *chip = NULL;
+
+
+
+       dev = malloc(sizeof(struct yaffs_dev));
+       name_copy = strdup(dev_name);
+
+       if(!dev || !name_copy)
+               goto fail;
+
+       memset(dev, 0, sizeof(*dev));
+       chip = nandsim_file_init(backing_file_name, n_blocks, 64, 2048, 64, 0);
+       if(!chip)
+               goto fail;
+
+       param = &dev->param;
+
+       param->name = name_copy;
+
+       param->total_bytes_per_chunk = chip->data_bytes_per_page;
+       param->chunks_per_block = chip->pages_per_block;
+       param->n_reserved_blocks = 5;
+       param->start_block = 0; // First block
+       param->end_block = n_blocks - 1; // Last block
+       param->is_yaffs2 = 1;
+       param->use_nand_ecc = 1;
+       param->n_caches = 10;
+
+
+       if(yaffs_nand_install_drv(dev, chip) != YAFFS_OK)
+               goto fail;
+
+       /* The yaffs device has been configured, install it into yaffs */
+       yaffs_add_device(dev);
+
+       return dev;
+
+fail:
+       free(dev);
+       free(name_copy);
+       return NULL;
+}