4 #include <linux/types.h>
5 #include <linux/device.h>
8 #define CHSC_SEI_ACC_CHPID 1
9 #define CHSC_SEI_ACC_LINKADDR 2
10 #define CHSC_SEI_ACC_FULLLINKADDR 3
12 #define CHSC_SDA_OC_MSS 0x2
17 } __attribute__ ((packed));
19 #define NR_MEASUREMENT_CHARS 5
21 u32 values[NR_MEASUREMENT_CHARS];
22 } __attribute__ ((packed));
24 #define NR_MEASUREMENT_ENTRIES 8
26 u32 values[NR_MEASUREMENT_ENTRIES];
27 } __attribute__ ((packed));
29 struct channel_path_desc {
38 } __attribute__ ((packed));
43 struct channel_path_desc desc;
44 /* Channel-measurement related stuff: */
51 extern void s390_process_css( void );
52 extern void chsc_validate_chpids(struct subchannel *);
53 extern void chpid_is_actually_online(struct chp_id);
54 extern int css_get_ssd_info(struct subchannel *);
55 extern int chsc_process_crw(void);
56 extern int chp_process_crw(int, int);
58 struct css_general_char {
60 u32 aif : 1; /* bit 41 */
62 u32 mcss : 1; /* bit 45 */
64 u32 ext_mb : 1; /* bit 48 */
66 u32 aif_tdd : 1; /* bit 56 */
68 u32 qebsm : 1; /* bit 58 */
70 u32 aif_osa : 1; /* bit 67 */
72 }__attribute__((packed));
74 struct css_chsc_char {
77 u32 secm : 1; /* bit 84 */
79 u32 scmc : 1; /* bit 86 */
81 u32 scssc : 1; /* bit 107 */
82 u32 scsscf : 1; /* bit 108 */
84 }__attribute__((packed));
86 extern struct css_general_char css_general_characteristics;
87 extern struct css_chsc_char css_chsc_characteristics;
89 extern int chsc_determine_css_characteristics(void);
90 extern int css_characteristics_avail;
92 extern void *chsc_get_chp_desc(struct subchannel*, int);
94 extern int chsc_enable_facility(int);
95 struct channel_subsystem;
96 extern int chsc_secm(struct channel_subsystem *, int);
98 #define to_channelpath(device) container_of(device, struct channel_path, dev)