[deliverable/linux.git] / drivers / s390 / cio / chsc.h

#ifndef S390_CHSC_H
#define S390_CHSC_H

#define CHSC_SEI_ACC_CHPID        1
#define CHSC_SEI_ACC_LINKADDR     2
#define CHSC_SEI_ACC_FULLLINKADDR 3

#define CHSC_SDA_OC_MSS   0x2

struct chsc_header {
	u16 length;
	u16 code;
};

#define NR_MEASUREMENT_CHARS 5
struct cmg_chars {
	u32 values[NR_MEASUREMENT_CHARS];
};

#define NR_MEASUREMENT_ENTRIES 8
struct cmg_entry {
	u32 values[NR_MEASUREMENT_ENTRIES];
};

struct channel_path_desc {
	u8 flags;
	u8 lsn;
	u8 desc;
	u8 chpid;
	u8 swla;
	u8 zeroes;
	u8 chla;
	u8 chpp;
};

struct channel_path {
	int id;
	int state;
	struct channel_path_desc desc;
	/* Channel-measurement related stuff: */
	int cmg;
	int shared;
	void *cmg_chars;
	struct device dev;
};

extern void s390_process_css( void );
extern void chsc_validate_chpids(struct subchannel *);
extern void chpid_is_actually_online(int);
extern int css_get_ssd_info(struct subchannel *);
extern int chsc_process_crw(void);
extern int chp_process_crw(int, int);

struct css_general_char {
	u64 : 41;
	u32 aif : 1;     /* bit 41 */
	u32 : 3;
	u32 mcss : 1;    /* bit 45 */
	u32 : 2;
	u32 ext_mb : 1;  /* bit 48 */
	u32 : 7;
	u32 aif_tdd : 1; /* bit 56 */
	u32 : 1;
	u32 qebsm : 1;   /* bit 58 */
	u32 : 8;
	u32 aif_osa : 1; /* bit 67 */
	u32 : 28;
}__attribute__((packed));

struct css_chsc_char {
	u64 res;
	u64 : 20;
	u32 secm : 1; /* bit 84 */
	u32 : 1;
	u32 scmc : 1; /* bit 86 */
	u32 : 20;
	u32 scssc : 1;  /* bit 107 */
	u32 scsscf : 1; /* bit 108 */
	u32 : 19;
}__attribute__((packed));

extern struct css_general_char css_general_characteristics;
extern struct css_chsc_char css_chsc_characteristics;

extern int chsc_determine_css_characteristics(void);
extern int css_characteristics_avail;

extern void *chsc_get_chp_desc(struct subchannel*, int);

extern int chsc_enable_facility(int);
struct channel_subsystem;
extern int chsc_secm(struct channel_subsystem *, int);

#define to_channelpath(device) container_of(device, struct channel_path, dev)

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef S390_CHSC_H
	2	#define S390_CHSC_H
	3
1da177e4 LT	4	#define CHSC_SEI_ACC_CHPID 1
	5	#define CHSC_SEI_ACC_LINKADDR 2
	6	#define CHSC_SEI_ACC_FULLLINKADDR 3
	7
fb6958a5 CH	8	#define CHSC_SDA_OC_MSS 0x2
fb6958a5 CH	9
1da177e4 LT	10	struct chsc_header {
	11	u16 length;
	12	u16 code;
	13	};
	14
495a5b45 CH	15	#define NR_MEASUREMENT_CHARS 5
	16	struct cmg_chars {
	17	u32 values[NR_MEASUREMENT_CHARS];
	18	};
	19
	20	#define NR_MEASUREMENT_ENTRIES 8
	21	struct cmg_entry {
	22	u32 values[NR_MEASUREMENT_ENTRIES];
	23	};
	24
1da177e4 LT	25	struct channel_path_desc {
	26	u8 flags;
	27	u8 lsn;
	28	u8 desc;
	29	u8 chpid;
	30	u8 swla;
	31	u8 zeroes;
	32	u8 chla;
	33	u8 chpp;
	34	};
	35
	36	struct channel_path {
	37	int id;
	38	int state;
	39	struct channel_path_desc desc;
495a5b45 CH	40	/* Channel-measurement related stuff: */
	41	int cmg;
	42	int shared;
	43	void *cmg_chars;
1da177e4 LT	44	struct device dev;
	45	};
	46
	47	extern void s390_process_css( void );
	48	extern void chsc_validate_chpids(struct subchannel *);
	49	extern void chpid_is_actually_online(int);
2b67fc46 HC	50	extern int css_get_ssd_info(struct subchannel *);
	51	extern int chsc_process_crw(void);
	52	extern int chp_process_crw(int, int);
1da177e4 LT	53
	54	struct css_general_char {
	55	u64 : 41;
	56	u32 aif : 1; /* bit 41 */
	57	u32 : 3;
	58	u32 mcss : 1; /* bit 45 */
	59	u32 : 2;
	60	u32 ext_mb : 1; /* bit 48 */
	61	u32 : 7;
	62	u32 aif_tdd : 1; /* bit 56 */
8129ee16 FP	63	u32 : 1;
	64	u32 qebsm : 1; /* bit 58 */
	65	u32 : 8;
1da177e4 LT	66	u32 aif_osa : 1; /* bit 67 */
	67	u32 : 28;
	68	}__attribute__((packed));
	69
	70	struct css_chsc_char {
	71	u64 res;
495a5b45 CH	72	u64 : 20;
	73	u32 secm : 1; /* bit 84 */
	74	u32 : 1;
	75	u32 scmc : 1; /* bit 86 */
	76	u32 : 20;
1da177e4 LT	77	u32 scssc : 1; /* bit 107 */
	78	u32 scsscf : 1; /* bit 108 */
	79	u32 : 19;
	80	}__attribute__((packed));
	81
	82	extern struct css_general_char css_general_characteristics;
	83	extern struct css_chsc_char css_chsc_characteristics;
	84
	85	extern int chsc_determine_css_characteristics(void);
	86	extern int css_characteristics_avail;
	87
	88	extern void chsc_get_chp_desc(struct subchannel, int);
a28c6944	89
fb6958a5	90	extern int chsc_enable_facility(int);
495a5b45 CH	91	struct channel_subsystem;
495a5b45 CH	92	extern int chsc_secm(struct channel_subsystem *, int);
fb6958a5	93
501fe31d	94	#define to_channelpath(device) container_of(device, struct channel_path, dev)
a28c6944	95
1da177e4	96	#endif