4 #include <linux/types.h>
5 #include <linux/device.h>
10 #define CHSC_SDA_OC_MSS 0x2
15 } __attribute__ ((packed));
17 #define NR_MEASUREMENT_CHARS 5
19 u32 values[NR_MEASUREMENT_CHARS];
20 } __attribute__ ((packed));
22 #define NR_MEASUREMENT_ENTRIES 8
24 u32 values[NR_MEASUREMENT_ENTRIES];
25 } __attribute__ ((packed));
27 struct channel_path_desc {
36 } __attribute__ ((packed));
38 struct channel_path_desc_fmt1 {
52 } __attribute__ ((packed));
56 struct css_chsc_char {
59 u32 secm : 1; /* bit 84 */
61 u32 scmc : 1; /* bit 86 */
63 u32 scssc : 1; /* bit 107 */
64 u32 scsscf : 1; /* bit 108 */
66 }__attribute__((packed));
68 extern struct css_chsc_char css_chsc_characteristics;
70 struct chsc_ssd_info {
73 struct chp_id chpid[8];
78 struct chsc_header request;
90 struct chsc_header response;
91 u8 data[PAGE_SIZE - 20];
92 } __attribute__ ((packed));
95 extern int chsc_get_ssd_info(struct subchannel_id schid,
96 struct chsc_ssd_info *ssd);
97 extern int chsc_determine_css_characteristics(void);
98 extern int chsc_init(void);
99 extern void chsc_init_cleanup(void);
101 extern int chsc_enable_facility(int);
102 struct channel_subsystem;
103 extern int chsc_secm(struct channel_subsystem *, int);
104 int __chsc_do_secm(struct channel_subsystem *css, int enable);
106 int chsc_chp_vary(struct chp_id chpid, int on);
107 int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt,
108 int c, int m, void *page);
109 int chsc_determine_base_channel_path_desc(struct chp_id chpid,
110 struct channel_path_desc *desc);
111 int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid,
112 struct channel_path_desc_fmt1 *desc);
113 void chsc_chp_online(struct chp_id chpid);
114 void chsc_chp_offline(struct chp_id chpid);
115 int chsc_get_channel_measurement_chars(struct channel_path *chp);
117 int chsc_error_from_response(int response);
119 int chsc_siosl(struct subchannel_id schid);