projects / mirror_ubuntu-kernels.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 23f62689 PO |
2 | /* |
| 3 | * Functions for incremental construction of fcx enabled I/O control blocks. | |
| 4 | * | |
| 5 | * Copyright IBM Corp. 2008 | |
| 6 | * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _ASM_S390_ITCW_H | |
| 87d2f5e3 | 10 | #define _ASM_S390_ITCW_H |
| 23f62689 PO |
11 | |
| 12 | #include <linux/types.h> | |
| 13 | #include <asm/fcx.h> | |
| 14 | ||
| 15 | #define ITCW_OP_READ 0 | |
| 16 | #define ITCW_OP_WRITE 1 | |
| 17 | ||
| 18 | struct itcw; | |
| 19 | ||
| 20 | struct tcw *itcw_get_tcw(struct itcw *itcw); | |
| 21 | size_t itcw_calc_size(int intrg, int max_tidaws, int intrg_max_tidaws); | |
| 22 | struct itcw *itcw_init(void *buffer, size_t size, int op, int intrg, | |
| 23 | int max_tidaws, int intrg_max_tidaws); | |
| 24 | struct dcw *itcw_add_dcw(struct itcw *itcw, u8 cmd, u8 flags, void *cd, | |
| 25 | u8 cd_count, u32 count); | |
| 26 | struct tidaw *itcw_add_tidaw(struct itcw *itcw, u8 flags, void *addr, | |
| 27 | u32 count); | |
| 28 | void itcw_set_data(struct itcw *itcw, void *addr, int use_tidal); | |
| 29 | void itcw_finalize(struct itcw *itcw); | |
| 30 | ||
| 31 | #endif /* _ASM_S390_ITCW_H */ |