2 * drivers/s390/cio/chp.h
4 * Copyright IBM Corp. 2007,2010
5 * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
9 #define S390_CHP_H S390_CHP_H
11 #include <linux/types.h>
12 #include <linux/device.h>
13 #include <linux/mutex.h>
14 #include <asm/chpid.h>
18 #define CHP_STATUS_STANDBY 0
19 #define CHP_STATUS_CONFIGURED 1
20 #define CHP_STATUS_RESERVED 2
21 #define CHP_STATUS_NOT_RECOGNIZED 3
26 #define CHP_VARY_OFF 3
34 static inline int chp_test_bit(u8
*bitmap
, int num
)
37 int mask
= 128 >> (num
& 7);
39 return (bitmap
[byte
] & mask
) ? 1 : 0;
46 struct mutex lock
; /* Serialize access to below members. */
48 struct channel_path_desc desc
;
49 /* Channel-measurement related stuff: */
55 int chp_get_status(struct chp_id chpid
);
56 u8
chp_get_sch_opm(struct subchannel
*sch
);
57 int chp_is_registered(struct chp_id chpid
);
58 void *chp_get_chp_desc(struct chp_id chpid
);
59 void chp_remove_cmg_attr(struct channel_path
*chp
);
60 int chp_add_cmg_attr(struct channel_path
*chp
);
61 int chp_new(struct chp_id chpid
);
62 void chp_cfg_schedule(struct chp_id chpid
, int configure
);
63 void chp_cfg_cancel_deconfigure(struct chp_id chpid
);
64 int chp_info_get_status(struct chp_id chpid
);
65 int chp_ssd_get_mask(struct chsc_ssd_info
*, struct chp_link
*);
66 #endif /* S390_CHP_H */