54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/*
|
|
* 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 */
|