Generated v2 prefixes

emubd/lfs2_emubd.h

@@ -0,0 +1,91 @@
+/*
+ * Block device emulated on standard files
+ *
+ * Copyright (c) 2017, Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef LFS2_EMUBD_H
+#define LFS2_EMUBD_H
+
+#include "lfs2.h"
+#include "lfs2_util.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+// Config options
+#ifndef LFS2_EMUBD_READ_SIZE
+#define LFS2_EMUBD_READ_SIZE 1
+#endif
+
+#ifndef LFS2_EMUBD_PROG_SIZE
+#define LFS2_EMUBD_PROG_SIZE 1
+#endif
+
+#ifndef LFS2_EMUBD_ERASE_SIZE
+#define LFS2_EMUBD_ERASE_SIZE 512
+#endif
+
+#ifndef LFS2_EMUBD_TOTAL_SIZE
+#define LFS2_EMUBD_TOTAL_SIZE 524288
+#endif
+
+
+// The emu bd state
+typedef struct lfs2_emubd {
+    char *path;
+    char *child;
+
+    struct {
+        uint64_t read_count;
+        uint64_t prog_count;
+        uint64_t erase_count;
+    } stats;
+
+    struct {
+        lfs2_block_t blocks[4];
+    } history;
+
+    struct {
+        uint32_t read_size;
+        uint32_t prog_size;
+        uint32_t block_size;
+        uint32_t block_count;
+    } cfg;
+} lfs2_emubd_t;
+
+
+// Create a block device using path for the directory to store blocks
+int lfs2_emubd_create(const struct lfs2_config *cfg, const char *path);
+
+// Clean up memory associated with emu block device
+void lfs2_emubd_destroy(const struct lfs2_config *cfg);
+
+// Read a block
+int lfs2_emubd_read(const struct lfs2_config *cfg, lfs2_block_t block,
+        lfs2_off_t off, void *buffer, lfs2_size_t size);
+
+// Program a block
+//
+// The block must have previously been erased.
+int lfs2_emubd_prog(const struct lfs2_config *cfg, lfs2_block_t block,
+        lfs2_off_t off, const void *buffer, lfs2_size_t size);
+
+// Erase a block
+//
+// A block must be erased before being programmed. The
+// state of an erased block is undefined.
+int lfs2_emubd_erase(const struct lfs2_config *cfg, lfs2_block_t block);
+
+// Sync the block device
+int lfs2_emubd_sync(const struct lfs2_config *cfg);
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif