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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/openbios/fs/grubfs/defs.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/openbios/fs/grubfs/defs.h')
-rw-r--r--qemu/roms/openbios/fs/grubfs/defs.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/qemu/roms/openbios/fs/grubfs/defs.h b/qemu/roms/openbios/fs/grubfs/defs.h
new file mode 100644
index 000000000..3a3128ce1
--- /dev/null
+++ b/qemu/roms/openbios/fs/grubfs/defs.h
@@ -0,0 +1,86 @@
+/*
+ * Mach Operating System
+ * Copyright (c) 1991,1990 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
+ * School of Computer Science
+ * Carnegie Mellon University
+ * Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ * Common definitions for Berkeley Fast File System.
+ */
+
+/*
+ * Compatibility definitions for disk IO.
+ */
+
+/*
+ * Disk devices do all IO in 512-byte blocks.
+ */
+#define DEV_BSIZE 512
+
+/*
+ * Conversion between bytes and disk blocks.
+ */
+#define btodb(byte_offset) ((byte_offset) >> 9)
+#define dbtob(block_number) ((block_number) << 9)
+
+typedef struct _quad_
+ {
+ unsigned int val[2]; /* 2 int values make... */
+ }
+quad; /* an 8-byte item */
+
+typedef unsigned int mach_time_t; /* an unsigned int */
+typedef unsigned int mach_daddr_t; /* an unsigned int */
+typedef unsigned int mach_off_t; /* another unsigned int */
+
+typedef unsigned short mach_uid_t;
+typedef unsigned short mach_gid_t;
+typedef unsigned int mach_ino_t;
+
+#define NBBY 8
+
+/*
+ * The file system is made out of blocks of at most MAXBSIZE units,
+ * with smaller units (fragments) only in the last direct block.
+ * MAXBSIZE primarily determines the size of buffers in the buffer
+ * pool. It may be made larger without any effect on existing
+ * file systems; however, making it smaller may make some file
+ * systems unmountable.
+ *
+ * Note that the disk devices are assumed to have DEV_BSIZE "sectors"
+ * and that fragments must be some multiple of this size.
+ */
+#define MAXBSIZE 8192
+#define MAXFRAG 8
+
+/*
+ * MAXPATHLEN defines the longest permissible path length
+ * after expanding symbolic links.
+ *
+ * MAXSYMLINKS defines the maximum number of symbolic links
+ * that may be expanded in a path name. It should be set
+ * high enough to allow all legitimate uses, but halt infinite
+ * loops reasonably quickly.
+ */
+
+#define MAXPATHLEN 1024
+#define MAXSYMLINKS 8