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 u32 pnso:1; /* bit 116 */
67 }__attribute__((packed));
69 extern struct css_chsc_char css_chsc_characteristics;
71 struct chsc_ssd_info {
74 struct chp_id chpid[8];
78 struct chsc_ssqd_area {
79 struct chsc_header request;
87 struct chsc_header response;
89 struct qdio_ssqd_desc qdio_ssqd;
92 struct chsc_scssc_area {
93 struct chsc_header request;
98 u64 summary_indicator_addr;
99 u64 subchannel_indicator_addr;
106 struct subchannel_id schid;
108 struct chsc_header response;
113 struct chsc_header request;
125 struct chsc_header response;
126 u8 data[PAGE_SIZE - 20];
127 } __attribute__ ((packed));
130 extern int chsc_get_ssd_info(struct subchannel_id schid,
131 struct chsc_ssd_info *ssd);
132 extern int chsc_determine_css_characteristics(void);
133 extern int chsc_init(void);
134 extern void chsc_init_cleanup(void);
136 extern int chsc_enable_facility(int);
137 struct channel_subsystem;
138 extern int chsc_secm(struct channel_subsystem *, int);
139 int __chsc_do_secm(struct channel_subsystem *css, int enable);
141 int chsc_chp_vary(struct chp_id chpid, int on);
142 int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt,
143 int c, int m, void *page);
144 int chsc_determine_base_channel_path_desc(struct chp_id chpid,
145 struct channel_path_desc *desc);
146 int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid,
147 struct channel_path_desc_fmt1 *desc);
148 void chsc_chp_online(struct chp_id chpid);
149 void chsc_chp_offline(struct chp_id chpid);
150 int chsc_get_channel_measurement_chars(struct channel_path *chp);
151 int chsc_ssqd(struct subchannel_id schid, struct chsc_ssqd_area *ssqd);
152 int chsc_sadc(struct subchannel_id schid, struct chsc_scssc_area *scssc,
153 u64 summary_indicator_addr, u64 subchannel_indicator_addr);
154 int chsc_error_from_response(int response);
156 int chsc_siosl(struct subchannel_id schid);
158 /* Functions and definitions to query storage-class memory. */
171 struct chsc_scm_info {
172 struct chsc_header request;
176 struct chsc_header response;
188 struct sale scmal[248];
191 int chsc_scm_info(struct chsc_scm_info *scm_area, u64 token);
193 struct chsc_brinfo_resume_token {
198 struct chsc_brinfo_naihdr {
199 struct chsc_brinfo_resume_token resume_token;
207 struct chsc_pnso_area {
208 struct chsc_header request;
221 struct chsc_brinfo_resume_token resume_token;
225 struct chsc_header response;
227 struct chsc_brinfo_naihdr naihdr;
229 struct qdio_brinfo_entry_l3_ipv6 l3_ipv6[0];
230 struct qdio_brinfo_entry_l3_ipv4 l3_ipv4[0];
231 struct qdio_brinfo_entry_l2 l2[0];
235 int chsc_pnso_brinfo(struct subchannel_id schid,
236 struct chsc_pnso_area *brinfo_area,
237 struct chsc_brinfo_resume_token resume_token,
240 #ifdef CONFIG_SCM_BUS
241 int scm_update_information(void);
242 int scm_process_availability_information(void);
243 #else /* CONFIG_SCM_BUS */
244 static inline int scm_update_information(void) { return 0; }
245 static inline int scm_process_availability_information(void) { return 0; }
246 #endif /* CONFIG_SCM_BUS */