| From Aaditya.Kumar@ap.sony.com Fri Nov 23 03:37:53 2012 |
| From: Aaditya Kumar <aaditya.kumar@ap.sony.com> |
| Date: Fri, 23 Nov 2012 17:02:11 +0530 |
| Subject: [PATCH v2 RESEND 04/15] AXFS: axfs_fs_sb.h |
| To: Greg KH <gregkh@linuxfoundation.org> |
| Cc: "ltsi-dev@lists.linuxfoundation.org" <ltsi-dev@lists.linuxfoundation.org>, tim.bird@am.sony.com, frank.rowand@am.sony.com, takuzo.ohara@ap.sony.com, amit.agarwal@ap.sony.com, kan.iibuchi@jp.sony.com, aaditya.kumar.30@gmail.com |
| Message-ID: <50AF5EBB.7080202@ap.sony.com> |
| |
| |
| From: Jared Hulbert <jaredeh@gmail.com> |
| |
| The AXFS superblock declaration. |
| |
| Signed-off-by: Jared Hulbert <jaredeh@gmail.com> |
| Signed-off-by: Aaditya Kumar <aaditya.kumar@ap.sony.com> |
| --- |
| include/linux/axfs_fs_sb.h | 87 +++++++++++++++++++++++++++++++++++++++++++++ |
| 1 file changed, 87 insertions(+) |
| create mode 100644 include/linux/axfs_fs_sb.h |
| |
| --- /dev/null |
| +++ b/include/linux/axfs_fs_sb.h |
| @@ -0,0 +1,87 @@ |
| +/* |
| + * Advanced XIP File System for Linux - AXFS |
| + * Readonly, compressed, and XIP filesystem for Linux systems big and small |
| + * |
| + * Copyright(c) 2008 Numonyx |
| + * |
| + * This program is free software; you can redistribute it and/or modify it |
| + * under the terms and conditions of the GNU General Public License, |
| + * version 2, as published by the Free Software Foundation. |
| + * |
| + * Authors: |
| + * Eric Anderson |
| + * Jared Hulbert <jaredeh@gmail.com> |
| + * Sujaya Srinivasan |
| + * Justin Treon |
| + * |
| + * Project url: http://axfs.sourceforge.net |
| + */ |
| + |
| +#ifndef AXFS_FS_SB_H |
| +#define AXFS_FS_SB_H |
| + |
| +#ifdef __KERNEL__ |
| +#include <linux/rwsem.h> |
| +#endif |
| +#include <linux/errno.h> |
| +#include <linux/time.h> |
| + |
| +/* in memory region descriptor */ |
| +struct axfs_region_desc { |
| + u64 fsoffset; |
| + u64 size; |
| + u64 compressed_size; |
| + u64 max_index; |
| + void *virt_addr; |
| + u8 table_byte_depth; |
| + u8 incore; |
| +}; |
| + |
| +/* axfs super-block data in memory */ |
| +struct axfs_super { |
| + u32 magic; |
| + u8 version_major; |
| + u8 version_minor; |
| + u8 version_sub; |
| + u8 padding; |
| + u64 files; |
| + u64 size; |
| + u64 blocks; |
| + u64 mmap_size; |
| + struct axfs_region_desc strings; |
| + struct axfs_region_desc xip; |
| + struct axfs_region_desc compressed; |
| + struct axfs_region_desc byte_aligned; |
| + struct axfs_region_desc node_type; |
| + struct axfs_region_desc node_index; |
| + struct axfs_region_desc cnode_offset; |
| + struct axfs_region_desc cnode_index; |
| + struct axfs_region_desc banode_offset; |
| + struct axfs_region_desc cblock_offset; |
| + struct axfs_region_desc inode_file_size; |
| + struct axfs_region_desc inode_name_offset; |
| + struct axfs_region_desc inode_num_entries; |
| + struct axfs_region_desc inode_mode_index; |
| + struct axfs_region_desc inode_array_index; |
| + struct axfs_region_desc modes; |
| + struct axfs_region_desc uids; |
| + struct axfs_region_desc gids; |
| + unsigned long phys_start_addr; |
| + unsigned long virt_start_addr; |
| + char *second_dev; |
| + unsigned long iomem_size; |
| + void *mtd0; /* primary device */ |
| + void *mtd1; /* secondary device */ |
| + u32 cblock_size; |
| + u64 current_cnode_index; |
| + void *cblock_buffer[2]; |
| + struct rw_semaphore lock; |
| + struct axfs_profiling_data *profile_data_ptr; |
| + u8 profiling_on; /* Determines if profiling is on or off */ |
| + u8 mtd_pointed; |
| + u8 compression_type; |
| + struct timespec timestamp; |
| + u8 page_shift; |
| +}; |
| + |
| +#endif |
