| /* |
| * drivers/s390/cio/chp.h |
| * |
| * Copyright IBM Corp. 2007 |
| * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> |
| */ |
| |
| #ifndef S390_CHP_H |
| #define S390_CHP_H S390_CHP_H |
| |
| #include <linux/types.h> |
| #include <linux/device.h> |
| #include <asm/chpid.h> |
| #include "chsc.h" |
| |
| #define CHP_STATUS_STANDBY 0 |
| #define CHP_STATUS_CONFIGURED 1 |
| #define CHP_STATUS_RESERVED 2 |
| #define CHP_STATUS_NOT_RECOGNIZED 3 |
| |
| static inline int chp_test_bit(u8 *bitmap, int num) |
| { |
| int byte = num >> 3; |
| int mask = 128 >> (num & 7); |
| |
| return (bitmap[byte] & mask) ? 1 : 0; |
| } |
| |
| |
| struct channel_path { |
| struct chp_id chpid; |
| int state; |
| struct channel_path_desc desc; |
| /* Channel-measurement related stuff: */ |
| int cmg; |
| int shared; |
| void *cmg_chars; |
| struct device dev; |
| }; |
| |
| int chp_get_status(struct chp_id chpid); |
| u8 chp_get_sch_opm(struct subchannel *sch); |
| int chp_is_registered(struct chp_id chpid); |
| void *chp_get_chp_desc(struct chp_id chpid); |
| void chp_process_crw(int id, int available); |
| void chp_remove_cmg_attr(struct channel_path *chp); |
| int chp_add_cmg_attr(struct channel_path *chp); |
| int chp_new(struct chp_id chpid); |
| void chp_cfg_schedule(struct chp_id chpid, int configure); |
| void chp_cfg_cancel_deconfigure(struct chp_id chpid); |
| int chp_info_get_status(struct chp_id chpid); |
| |
| #endif /* S390_CHP_H */ |
