1/* 2 * drivers/s390/cio/chp.h 3 * 4 * Copyright IBM Corp. 2007 5 * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> 6 */ 7 8#ifndef S390_CHP_H 9#define S390_CHP_H S390_CHP_H 10 11#include <linux/types.h> 12#include <linux/device.h> 13#include <asm/chpid.h> 14#include "chsc.h" 15#include "css.h" 16 17#define CHP_STATUS_STANDBY 0 18#define CHP_STATUS_CONFIGURED 1 19#define CHP_STATUS_RESERVED 2 20#define CHP_STATUS_NOT_RECOGNIZED 3 21 22#define CHP_ONLINE 0 23#define CHP_OFFLINE 1 24#define CHP_VARY_ON 2 25#define CHP_VARY_OFF 3 26 27struct chp_link { 28 struct chp_id chpid; 29 u32 fla_mask; 30 u16 fla; 31}; 32 33static inline int chp_test_bit(u8 *bitmap, int num) 34{ 35 int byte = num >> 3; 36 int mask = 128 >> (num & 7); 37 38 return (bitmap[byte] & mask) ? 1 : 0; 39} 40 41 42struct channel_path { 43 struct chp_id chpid; 44 int state; 45 struct channel_path_desc desc; 46 /* Channel-measurement related stuff: */ 47 int cmg; 48 int shared; 49 void *cmg_chars; 50 struct device dev; 51}; 52 53int chp_get_status(struct chp_id chpid); 54u8 chp_get_sch_opm(struct subchannel *sch); 55int chp_is_registered(struct chp_id chpid); 56void *chp_get_chp_desc(struct chp_id chpid); 57void chp_remove_cmg_attr(struct channel_path *chp); 58int chp_add_cmg_attr(struct channel_path *chp); 59int chp_new(struct chp_id chpid); 60void chp_cfg_schedule(struct chp_id chpid, int configure); 61void chp_cfg_cancel_deconfigure(struct chp_id chpid); 62int chp_info_get_status(struct chp_id chpid); 63int chp_ssd_get_mask(struct chsc_ssd_info *, struct chp_link *); 64#endif /* S390_CHP_H */ 65