Merge branch 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...
[pandora-kernel.git] / include / asm-s390 / itcw.h
1 /*
2  *  Functions for incremental construction of fcx enabled I/O control blocks.
3  *
4  *    Copyright IBM Corp. 2008
5  *    Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
6  */
7
8 #ifndef _ASM_S390_ITCW_H
9 #define _ASM_S390_ITCW_H _ASM_S390_ITCW_H
10
11 #include <linux/types.h>
12 #include <asm/fcx.h>
13
14 #define ITCW_OP_READ    0
15 #define ITCW_OP_WRITE   1
16
17 struct itcw;
18
19 struct tcw *itcw_get_tcw(struct itcw *itcw);
20 size_t itcw_calc_size(int intrg, int max_tidaws, int intrg_max_tidaws);
21 struct itcw *itcw_init(void *buffer, size_t size, int op, int intrg,
22                        int max_tidaws, int intrg_max_tidaws);
23 struct dcw *itcw_add_dcw(struct itcw *itcw, u8 cmd, u8 flags, void *cd,
24                          u8 cd_count, u32 count);
25 struct tidaw *itcw_add_tidaw(struct itcw *itcw, u8 flags, void *addr,
26                              u32 count);
27 void itcw_set_data(struct itcw *itcw, void *addr, int use_tidal);
28 void itcw_finalize(struct itcw *itcw);
29
30 #endif /* _ASM_S390_ITCW_H */