Release 4.7 drivers/s390/cio/chsc.h

#ifndef S390_CHSC_H

#define S390_CHSC_H

#include <linux/types.h>
#include <linux/device.h>
#include <asm/css_chars.h>
#include <asm/chpid.h>
#include <asm/chsc.h>
#include <asm/schid.h>
#include <asm/qdio.h>


#define CHSC_SDA_OC_MSS   0x2


#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_fmt1 {
	
u8 flags;
	
u8 lsn;
	
u8 desc;
	
u8 chpid;
	
u32:24;
	
u8 chpp;
	
u32 unused[2];
	
u16 chid;
	
u32:16;
	
u16 mdc;
	
u16:13;
	
u8 r:1;
	
u8 s:1;
	
u8 f:1;
	
u32 zeros[2];
} __attribute__ ((packed));

struct channel_path;


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 */
	
u32:7;
	
u32 pnso:1; /* bit 116 */
	
u32:11;
}__attribute__((packed));

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];
};


struct chsc_ssqd_area {
	
struct chsc_header request;
	
u16:10;
	
u8 ssid:2;
	
u8 fmt:4;
	
u16 first_sch;
	
u16:16;
	
u16 last_sch;
	
u32:32;
	
struct chsc_header response;
	
u32:32;
	
struct qdio_ssqd_desc qdio_ssqd;
} 
__packed;


struct chsc_scssc_area {
	
struct chsc_header request;
	
u16 operation_code;
	
u16:16;
	
u32:32;
	
u32:32;
	
u64 summary_indicator_addr;
	
u64 subchannel_indicator_addr;
	
u32 ks:4;
	
u32 kc:4;
	
u32:21;
	
u32 isc:3;
	
u32 word_with_d_bit;
	
u32:32;
	
struct subchannel_id schid;
	
u32 reserved[1004];
	
struct chsc_header response;
	
u32:32;
} 
__packed;


struct chsc_scpd {
	
struct chsc_header request;
	
u32:2;
	
u32 m:1;
	
u32 c:1;
	
u32 fmt:4;
	
u32 cssid:8;
	
u32:4;
	
u32 rfmt:4;
	
u32 first_chpid:8;
	
u32:24;
	
u32 last_chpid:8;
	
u32 zeroes1;
	
struct chsc_header response;
	
u8 data[PAGE_SIZE - 20];
} __attribute__ ((packed));


struct chsc_sda_area {
	
struct chsc_header request;
	
u8 :4;
	
u8 format:4;
	
u8 :8;
	
u16 operation_code;
	
u32 :32;
	
u32 :32;
	
u32 operation_data_area[252];
	
struct chsc_header response;
	
u32 :4;
	
u32 format2:4;
	
u32 :24;
} __packed __aligned(PAGE_SIZE);

extern int chsc_get_ssd_info(struct subchannel_id schid,
			     struct chsc_ssd_info *ssd);
extern int chsc_determine_css_characteristics(void);
extern int chsc_init(void);
extern void chsc_init_cleanup(void);

int __chsc_enable_facility(struct chsc_sda_area *sda_area, int operation_code);
extern int chsc_enable_facility(int);
struct channel_subsystem;
extern int chsc_secm(struct channel_subsystem *, int);
int __chsc_do_secm(struct channel_subsystem *css, int enable);

int chsc_chp_vary(struct chp_id chpid, int on);
int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt,
				     int c, int m, void *page);
int chsc_determine_base_channel_path_desc(struct chp_id chpid,
					  struct channel_path_desc *desc);
int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid,
					  struct channel_path_desc_fmt1 *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);
int chsc_ssqd(struct subchannel_id schid, struct chsc_ssqd_area *ssqd);
int chsc_sadc(struct subchannel_id schid, struct chsc_scssc_area *scssc,
	      u64 summary_indicator_addr, u64 subchannel_indicator_addr);
int chsc_error_from_response(int response);

int chsc_siosl(struct subchannel_id schid);

/* Functions and definitions to query storage-class memory. */

struct sale {
	
u64 sa;
	
u32 p:4;
	
u32 op_state:4;
	
u32 data_state:4;
	
u32 rank:4;
	
u32 r:1;
	
u32:7;
	
u32 rid:8;
	
u32:32;
} 
__packed;


struct chsc_scm_info {
	
struct chsc_header request;
	
u32:32;
	
u64 reqtok;
	
u32 reserved1[4];
	
struct chsc_header response;
	
u64:56;
	
u8 rq;
	
u32 mbc;
	
u64 msa;
	
u16 is;
	
u16 mmc;
	
u32 mci;
	
u64 nr_scm_ini;
	
u64 nr_scm_unini;
	
u32 reserved2[10];
	
u64 restok;
	
struct sale scmal[248];
} 
__packed;

int chsc_scm_info(struct chsc_scm_info *scm_area, u64 token);


struct chsc_brinfo_resume_token {
	
u64 t1;
	
u64 t2;
} 
__packed;


struct chsc_brinfo_naihdr {
	
struct chsc_brinfo_resume_token resume_token;
	
u32:32;
	
u32 instance;
	
u32:24;
	
u8 naids;
	
u32 reserved[3];
} 
__packed;


struct chsc_pnso_area {
	
struct chsc_header request;
	
u8:2;
	
u8 m:1;
	
u8:5;
	
u8:2;
	
u8 ssid:2;
	
u8 fmt:4;
	
u16 sch;
	
u8:8;
	
u8 cssid;
	
u16:16;
	
u8 oc;
	
u32:24;
	
struct chsc_brinfo_resume_token resume_token;
	
u32 n:1;
	
u32:31;
	
u32 reserved[3];
	
struct chsc_header response;
	
u32:32;
	
struct chsc_brinfo_naihdr naihdr;
	union {
		
struct qdio_brinfo_entry_l3_ipv6 l3_ipv6[0];
		
struct qdio_brinfo_entry_l3_ipv4 l3_ipv4[0];
		
struct qdio_brinfo_entry_l2	 l2[0];
	} 
entries;
} 
__packed;

int chsc_pnso_brinfo(struct subchannel_id schid,
		struct chsc_pnso_area *brinfo_area,
		struct chsc_brinfo_resume_token resume_token,
		int cnc);

#ifdef CONFIG_SCM_BUS
int scm_update_information(void);
int scm_process_availability_information(void);
#else /* CONFIG_SCM_BUS */


static inline int scm_update_information(void) { return 0; }
Contributors
Person
Tokens
Prop
Commits
CommitProp
sebastian ott
sebastian ott
12
100.00%
2
100.00%
Total
12
100.00%
2
100.00%



static inline int scm_process_availability_information(void) { return 0; }
Contributors
Person
Tokens
Prop
Commits
CommitProp
sebastian ott
sebastian ott
12
100.00%
1
100.00%
Total
12
100.00%
1
100.00%

#endif /* CONFIG_SCM_BUS */


#endif
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
sebastian ott
sebastian ott
581
54.25%
12
38.71%
eugene crosser
eugene crosser
188
17.55%
1
3.23%
cornelia huck
cornelia huck
123
11.48%
6
19.35%
peter oberparleiter
peter oberparleiter
117
10.92%
7
22.58%
martin schwidefsky
martin schwidefsky
53
4.95%
3
9.68%
michael ernst
michael ernst
8
0.75%
1
3.23%
peter tiedemann
peter tiedemann
1
0.09%
1
3.23%
Total
1071
100.00%
31
100.00%
  
Directory: drivers/s390/cio

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.