4 #include <linux/types.h>
5 #include <linux/device.h>
6 #include <asm/css_chars.h>
12 #define CHSC_SDA_OC_MSS 0x2
14 #define NR_MEASUREMENT_CHARS 5
16 u32 values[NR_MEASUREMENT_CHARS];
17 } __attribute__ ((packed));
19 #define NR_MEASUREMENT_ENTRIES 8
21 u32 values[NR_MEASUREMENT_ENTRIES];
22 } __attribute__ ((packed));
24 struct channel_path_desc {
33 } __attribute__ ((packed));
35 struct channel_path_desc_fmt1 {
51 } __attribute__ ((packed));
55 struct css_chsc_char {
58 u32 secm : 1; /* bit 84 */
60 u32 scmc : 1; /* bit 86 */
62 u32 scssc : 1; /* bit 107 */
63 u32 scsscf : 1; /* bit 108 */
65 }__attribute__((packed));
67 extern struct css_chsc_char css_chsc_characteristics;
69 struct chsc_ssd_info {
72 struct chp_id chpid[8];
76 struct chsc_ssqd_area {
77 struct chsc_header request;
85 struct chsc_header response;
87 struct qdio_ssqd_desc qdio_ssqd;
90 struct chsc_scssc_area {
91 struct chsc_header request;
96 u64 summary_indicator_addr;
97 u64 subchannel_indicator_addr;
104 struct subchannel_id schid;
106 struct chsc_header response;
111 struct chsc_header request;
123 struct chsc_header response;
124 u8 data[PAGE_SIZE - 20];
125 } __attribute__ ((packed));
128 extern int chsc_get_ssd_info(struct subchannel_id schid,
129 struct chsc_ssd_info *ssd);
130 extern int chsc_determine_css_characteristics(void);
131 extern int chsc_init(void);
132 extern void chsc_init_cleanup(void);
134 extern int chsc_enable_facility(int);
135 struct channel_subsystem;
136 extern int chsc_secm(struct channel_subsystem *, int);
137 int __chsc_do_secm(struct channel_subsystem *css, int enable);
139 int chsc_chp_vary(struct chp_id chpid, int on);
140 int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt,
141 int c, int m, void *page);
142 int chsc_determine_base_channel_path_desc(struct chp_id chpid,
143 struct channel_path_desc *desc);
144 int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid,
145 struct channel_path_desc_fmt1 *desc);
146 void chsc_chp_online(struct chp_id chpid);
147 void chsc_chp_offline(struct chp_id chpid);
148 int chsc_get_channel_measurement_chars(struct channel_path *chp);
149 int chsc_ssqd(struct subchannel_id schid, struct chsc_ssqd_area *ssqd);
150 int chsc_sadc(struct subchannel_id schid, struct chsc_scssc_area *scssc,
151 u64 summary_indicator_addr, u64 subchannel_indicator_addr);
152 int chsc_error_from_response(int response);
154 int chsc_siosl(struct subchannel_id schid);
156 /* Functions and definitions to query storage-class memory. */
169 struct chsc_scm_info {
170 struct chsc_header request;
174 struct chsc_header response;
186 struct sale scmal[248];
189 int chsc_scm_info(struct chsc_scm_info *scm_area, u64 token);
191 #ifdef CONFIG_SCM_BUS
192 int scm_update_information(void);
193 int scm_process_availability_information(void);
194 #else /* CONFIG_SCM_BUS */
195 static inline int scm_update_information(void) { return 0; }
196 static inline int scm_process_availability_information(void) { return 0; }
197 #endif /* CONFIG_SCM_BUS */