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

#ifndef S390_CHSC_H
#define S390_CHSC_H

#include <linux/types.h>
#include <linux/device.h>
#include <asm/chpid.h>
#include "schid.h"

#define CHSC_SDA_OC_MSS   0x2

struct chsc_header {
	u16 length;
	u16 code;
} __attribute__ ((packed));

#define NR_MEASUREMENT_CHARS 5
struct cmg_chars {
	u32 values[NR_MEASUREMENT_CHARS];
} __attribute__ ((packed));

#define NR_MEASUREMENT_ENTRIES 8
struct cmg_entry {
	u32 values[NR_MEASUREMENT_ENTRIES];
} __attribute__ ((packed));

struct channel_path_desc {
	u8 flags;
	u8 lsn;
	u8 desc;
	u8 chpid;
	u8 swla;
	u8 zeroes;
	u8 chla;
	u8 chpp;
} __attribute__ ((packed));

struct channel_path;

extern void chsc_process_crw(void);

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;

struct chsc_ssd_info {
	u8 path_mask;
	u8 fla_valid_mask;
	struct chp_id chpid[8];
	u16 fla[8];
};
extern int chsc_get_ssd_info(struct subchannel_id schid,
			     struct chsc_ssd_info *ssd);
extern int chsc_determine_css_characteristics(void);
extern int css_characteristics_avail;

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

int chsc_chp_vary(struct chp_id chpid, int on);
int chsc_determine_channel_path_description(struct chp_id chpid,
					    struct channel_path_desc *desc);
void chsc_chp_online(struct chp_id chpid);
void chsc_chp_offline(struct chp_id chpid);
int chsc_get_channel_measurement_chars(struct channel_path *chp);

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef S390_CHSC_H
	2	#define S390_CHSC_H
	3
f86635fa PO	4	#include <linux/types.h>
f86635fa PO	5	#include <linux/device.h>
e5854a58	6	#include <asm/chpid.h>
7ad6a249	7	#include "schid.h"
f86635fa	8
fb6958a5 CH	9	#define CHSC_SDA_OC_MSS 0x2
fb6958a5 CH	10
1da177e4 LT	11	struct chsc_header {
	12	u16 length;
	13	u16 code;
0f008aa3	14	} __attribute__ ((packed));
1da177e4	15
495a5b45 CH	16	#define NR_MEASUREMENT_CHARS 5
	17	struct cmg_chars {
	18	u32 values[NR_MEASUREMENT_CHARS];
0f008aa3	19	} __attribute__ ((packed));
495a5b45 CH	20
	21	#define NR_MEASUREMENT_ENTRIES 8
	22	struct cmg_entry {
	23	u32 values[NR_MEASUREMENT_ENTRIES];
0f008aa3	24	} __attribute__ ((packed));
495a5b45	25
1da177e4 LT	26	struct channel_path_desc {
	27	u8 flags;
	28	u8 lsn;
	29	u8 desc;
	30	u8 chpid;
	31	u8 swla;
	32	u8 zeroes;
	33	u8 chla;
	34	u8 chpp;
0f008aa3	35	} __attribute__ ((packed));
1da177e4	36
e6b6e10a	37	struct channel_path;
1da177e4	38
83b3370c	39	extern void chsc_process_crw(void);
1da177e4 LT	40
	41	struct css_general_char {
	42	u64 : 41;
	43	u32 aif : 1; /* bit 41 */
	44	u32 : 3;
	45	u32 mcss : 1; /* bit 45 */
	46	u32 : 2;
	47	u32 ext_mb : 1; /* bit 48 */
	48	u32 : 7;
	49	u32 aif_tdd : 1; /* bit 56 */
8129ee16 FP	50	u32 : 1;
	51	u32 qebsm : 1; /* bit 58 */
	52	u32 : 8;
1da177e4 LT	53	u32 aif_osa : 1; /* bit 67 */
	54	u32 : 28;
	55	}__attribute__((packed));
	56
	57	struct css_chsc_char {
	58	u64 res;
495a5b45 CH	59	u64 : 20;
	60	u32 secm : 1; /* bit 84 */
	61	u32 : 1;
	62	u32 scmc : 1; /* bit 86 */
	63	u32 : 20;
1da177e4 LT	64	u32 scssc : 1; /* bit 107 */
	65	u32 scsscf : 1; /* bit 108 */
	66	u32 : 19;
	67	}__attribute__((packed));
	68
	69	extern struct css_general_char css_general_characteristics;
	70	extern struct css_chsc_char css_chsc_characteristics;
	71
7ad6a249 PO	72	struct chsc_ssd_info {
	73	u8 path_mask;
	74	u8 fla_valid_mask;
	75	struct chp_id chpid[8];
	76	u16 fla[8];
	77	};
	78	extern int chsc_get_ssd_info(struct subchannel_id schid,
	79	struct chsc_ssd_info *ssd);
1da177e4 LT	80	extern int chsc_determine_css_characteristics(void);
	81	extern int css_characteristics_avail;
	82
fb6958a5	83	extern int chsc_enable_facility(int);
495a5b45 CH	84	struct channel_subsystem;
495a5b45 CH	85	extern int chsc_secm(struct channel_subsystem *, int);
fb6958a5	86
e6b6e10a PO	87	int chsc_chp_vary(struct chp_id chpid, int on);
	88	int chsc_determine_channel_path_description(struct chp_id chpid,
	89	struct channel_path_desc *desc);
83b3370c	90	void chsc_chp_online(struct chp_id chpid);
e6b6e10a PO	91	void chsc_chp_offline(struct chp_id chpid);
e6b6e10a PO	92	int chsc_get_channel_measurement_chars(struct channel_path *chp);
a28c6944	93
1da177e4	94	#endif