[PATCH] xtensa: fix system call interface

This is a long outstanding patch to finally fix the syscall interface.  The
constants used for the system calls are those we have provided in our libc
patches.  This patch also fixes the shmbuf and stat structure, and fcntl
definitions.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 68 insertions, 30 deletions

diff --git a/include/asm-xtensa/fcntl.h b/include/asm-xtensa/fcntl.h
index ec066ae..0609fc6 100644
--- a/include/asm-xtensa/fcntl.h
+++ b/include/asm-xtensa/fcntl.h
@@ -14,48 +14,86 @@
 
 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
    located on an ext2 file system */
-#define O_APPEND	0x0008
-#define O_SYNC		0x0010
-#define O_NONBLOCK	0x0080
-#define O_CREAT         0x0100	/* not fcntl */
-#define O_EXCL		0x0400	/* not fcntl */
-#define O_NOCTTY	0x0800	/* not fcntl */
-#define FASYNC		0x1000	/* fcntl, for BSD compatibility */
-#define O_LARGEFILE	0x2000	/* allow large file opens - currently ignored */
-#define O_DIRECT	0x8000	/* direct disk access hint - currently ignored*/
-#define O_NOATIME	0x100000
-
-#define F_GETLK		14
-#define F_GETLK64       15
+#define O_ACCMODE	   0003
+#define O_RDONLY	     00
+#define O_WRONLY	     01
+#define O_RDWR		     02
+#define O_CREAT		   0100	/* not fcntl */
+#define O_EXCL		   0200	/* not fcntl */
+#define O_NOCTTY	   0400	/* not fcntl */
+#define O_TRUNC		  01000	/* not fcntl */
+#define O_APPEND	  02000
+#define O_NONBLOCK	  04000
+#define O_NDELAY	O_NONBLOCK
+#define O_SYNC		 010000
+#define FASYNC		 020000	/* fcntl, for BSD compatibility */
+#define O_DIRECT	 040000	/* direct disk access hint */
+#define O_LARGEFILE	0100000
+#define O_DIRECTORY	0200000	/* must be a directory */
+#define O_NOFOLLOW	0400000 /* don't follow links */
+#define O_NOATIME	01000000
+
+#define F_DUPFD		0	/* dup */
+#define F_GETFD		1	/* get close_on_exec */
+#define F_SETFD		2	/* set/clear close_on_exec */
+#define F_GETFL		3	/* get file->f_flags */
+#define F_SETFL		4	/* set file->f_flags */
+#define F_GETLK		5
 #define F_SETLK		6
 #define F_SETLKW	7
-#define F_SETLK64       16
-#define F_SETLKW64      17
 
-#define F_SETOWN	24	/*  for sockets. */
-#define F_GETOWN	23	/*  for sockets. */
+#define F_SETOWN	8	/*  for sockets. */
+#define F_GETOWN	9	/*  for sockets. */
+#define F_SETSIG	10	/*  for sockets. */
+#define F_GETSIG	11	/*  for sockets. */
+
+#define F_GETLK64	12	/*  using 'struct flock64' */
+#define F_SETLK64	13
+#define F_SETLKW64	14
+
+/* for F_[GET|SET]FL */
+#define FD_CLOEXEC	1	/* actually anything with low bit set goes */
+
+/* for posix fcntl() and lockf() */
+#define F_RDLCK		0
+#define F_WRLCK		1
+#define F_UNLCK		2
+
+/* for old implementation of bsd flock () */
+#define F_EXLCK		4	/* or 3 */
+#define F_SHLCK		8	/* or 4 */
 
-typedef struct flock {
+/* for leases */
+#define F_INPROGRESS	16
+
+/* operations for bsd flock(), also used by the kernel implementation */
+#define LOCK_SH		1	/* shared lock */
+#define LOCK_EX		2	/* exclusive lock */
+#define LOCK_NB		4	/* or'd with one of the above to prevent
+				   blocking */
+#define LOCK_UN		8	/* remove lock */
+
+#define LOCK_MAND	32	/* This is a mandatory flock */
+#define LOCK_READ	64	/* ... Which allows concurrent read operations */
+#define LOCK_WRITE	128	/* ... Which allows concurrent write operations */
+#define LOCK_RW		192	/* ... Which allows concurrent read & write ops */
+
+struct flock {
 	short l_type;
 	short l_whence;
-	__kernel_off_t l_start;
-	__kernel_off_t l_len;
-	long  l_sysid;
-	__kernel_pid_t l_pid;
-	long  pad[4];
-} flock_t;
+	off_t l_start;
+	off_t l_len;
+	pid_t l_pid;
+};
 
 struct flock64 {
 	short  l_type;
 	short  l_whence;
-	__kernel_off_t l_start;
-	__kernel_off_t l_len;
+	loff_t l_start;
+	loff_t l_len;
 	pid_t  l_pid;
 };
 
-#define HAVE_ARCH_STRUCT_FLOCK
-#define HAVE_ARCH_STRUCT_FLOCK64
-
-#include <asm-generic/fcntl.h>
+#define F_LINUX_SPECIFIC_BASE	1024
 
 #endif /* _XTENSA_FCNTL_H */