| /* |
| * Functions for incremental construction of fcx enabled I/O control blocks. |
| * |
| * Copyright IBM Corp. 2008 |
| * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> |
| */ |
| |
| #ifndef _ASM_S390_ITCW_H |
| #define _ASM_S390_ITCW_H _ASM_S390_ITCW_H |
| |
| #include <linux/types.h> |
| #include <asm/fcx.h> |
| |
| #define ITCW_OP_READ 0 |
| #define ITCW_OP_WRITE 1 |
| |
| struct itcw; |
| |
| struct tcw *itcw_get_tcw(struct itcw *itcw); |
| size_t itcw_calc_size(int intrg, int max_tidaws, int intrg_max_tidaws); |
| struct itcw *itcw_init(void *buffer, size_t size, int op, int intrg, |
| int max_tidaws, int intrg_max_tidaws); |
| struct dcw *itcw_add_dcw(struct itcw *itcw, u8 cmd, u8 flags, void *cd, |
| u8 cd_count, u32 count); |
| struct tidaw *itcw_add_tidaw(struct itcw *itcw, u8 flags, void *addr, |
| u32 count); |
| void itcw_set_data(struct itcw *itcw, void *addr, int use_tidal); |
| void itcw_finalize(struct itcw *itcw); |
| |
| #endif /* _ASM_S390_ITCW_H */ |
