Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / fs / jffs2 / jffs2_private.h

diff --git a/qemu/roms/u-boot/fs/jffs2/jffs2_private.h b/qemu/roms/u-boot/fs/jffs2/jffs2_private.h
new file mode 100644 (file)
index 0000000..658b325
--- /dev/null
+++ b/qemu/roms/u-boot/fs/jffs2/jffs2_private.h
@@ -0,0 +1,101 @@
+#ifndef jffs2_private_h
+#define jffs2_private_h
+
+#include <jffs2/jffs2.h>
+
+
+struct b_node {
+       u32 offset;
+       struct b_node *next;
+       enum { CRC_UNKNOWN = 0, CRC_OK, CRC_BAD } datacrc;
+};
+
+struct b_list {
+       struct b_node *listTail;
+       struct b_node *listHead;
+#ifdef CONFIG_SYS_JFFS2_SORT_FRAGMENTS
+       struct b_node *listLast;
+       int (*listCompare)(struct b_node *new, struct b_node *node);
+       u32 listLoops;
+#endif
+       u32 listCount;
+       struct mem_block *listMemBase;
+};
+
+struct b_lists {
+       struct b_list dir;
+       struct b_list frag;
+       void *readbuf;
+};
+
+struct b_compr_info {
+       u32 num_frags;
+       u32 compr_sum;
+       u32 decompr_sum;
+};
+
+struct b_jffs2_info {
+       struct b_compr_info compr_info[JFFS2_NUM_COMPR];
+};
+
+static inline int
+hdr_crc(struct jffs2_unknown_node *node)
+{
+#if 1
+       u32 crc = crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
+#else
+       /* what's the semantics of this? why is this here? */
+       u32 crc = crc32_no_comp(~0, (unsigned char *)node, sizeof(struct jffs2_unknown_node) - 4);
+
+       crc ^= ~0;
+#endif
+       if (node->hdr_crc != crc) {
+               return 0;
+       } else {
+               return 1;
+       }
+}
+
+static inline int
+dirent_crc(struct jffs2_raw_dirent *node)
+{
+       if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_dirent) - 8)) {
+               return 0;
+       } else {
+               return 1;
+       }
+}
+
+static inline int
+dirent_name_crc(struct jffs2_raw_dirent *node)
+{
+       if (node->name_crc != crc32_no_comp(0, (unsigned char *)&(node->name), node->nsize)) {
+               return 0;
+       } else {
+               return 1;
+       }
+}
+
+static inline int
+inode_crc(struct jffs2_raw_inode *node)
+{
+       if (node->node_crc != crc32_no_comp(0, (unsigned char *)node, sizeof(struct jffs2_raw_inode) - 8)) {
+               return 0;
+       } else {
+               return 1;
+       }
+}
+
+static inline int
+data_crc(struct jffs2_raw_inode *node)
+{
+       if (node->data_crc != crc32_no_comp(0, (unsigned char *)
+                                           ((int) &node->node_crc + sizeof (node->node_crc)),
+                                            node->csize)) {
+               return 0;
+       } else {
+               return 1;
+       }
+}
+
+#endif /* jffs2_private.h */