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Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef S390_CHSC_H |
2 | #define S390_CHSC_H | |
3 | ||
f86635fa PO |
4 | #include <linux/types.h> |
5 | #include <linux/device.h> | |
382b7366 | 6 | #include <asm/css_chars.h> |
e5854a58 | 7 | #include <asm/chpid.h> |
9d92a7e1 CH |
8 | #include <asm/chsc.h> |
9 | #include <asm/schid.h> | |
da5b6cb1 | 10 | #include <asm/qdio.h> |
f86635fa | 11 | |
fb6958a5 CH |
12 | #define CHSC_SDA_OC_MSS 0x2 |
13 | ||
495a5b45 CH |
14 | #define NR_MEASUREMENT_CHARS 5 |
15 | struct cmg_chars { | |
16 | u32 values[NR_MEASUREMENT_CHARS]; | |
0f008aa3 | 17 | } __attribute__ ((packed)); |
495a5b45 CH |
18 | |
19 | #define NR_MEASUREMENT_ENTRIES 8 | |
20 | struct cmg_entry { | |
21 | u32 values[NR_MEASUREMENT_ENTRIES]; | |
0f008aa3 | 22 | } __attribute__ ((packed)); |
495a5b45 | 23 | |
ce322ccd SO |
24 | struct channel_path_desc_fmt1 { |
25 | u8 flags; | |
26 | u8 lsn; | |
27 | u8 desc; | |
28 | u8 chpid; | |
29 | u32:24; | |
30 | u8 chpp; | |
ba54229d PO |
31 | u32 unused[2]; |
32 | u16 chid; | |
33 | u32:16; | |
ce322ccd SO |
34 | u16 mdc; |
35 | u16:13; | |
36 | u8 r:1; | |
37 | u8 s:1; | |
38 | u8 f:1; | |
39 | u32 zeros[2]; | |
40 | } __attribute__ ((packed)); | |
41 | ||
e6b6e10a | 42 | struct channel_path; |
1da177e4 | 43 | |
1da177e4 LT |
44 | struct css_chsc_char { |
45 | u64 res; | |
495a5b45 CH |
46 | u64 : 20; |
47 | u32 secm : 1; /* bit 84 */ | |
48 | u32 : 1; | |
49 | u32 scmc : 1; /* bit 86 */ | |
50 | u32 : 20; | |
1da177e4 LT |
51 | u32 scssc : 1; /* bit 107 */ |
52 | u32 scsscf : 1; /* bit 108 */ | |
1c59a861 EC |
53 | u32:7; |
54 | u32 pnso:1; /* bit 116 */ | |
55 | u32:11; | |
1da177e4 LT |
56 | }__attribute__((packed)); |
57 | ||
1da177e4 LT |
58 | extern struct css_chsc_char css_chsc_characteristics; |
59 | ||
7ad6a249 PO |
60 | struct chsc_ssd_info { |
61 | u8 path_mask; | |
62 | u8 fla_valid_mask; | |
63 | struct chp_id chpid[8]; | |
64 | u16 fla[8]; | |
65 | }; | |
906c9768 | 66 | |
da5b6cb1 SO |
67 | struct chsc_ssqd_area { |
68 | struct chsc_header request; | |
69 | u16:10; | |
70 | u8 ssid:2; | |
71 | u8 fmt:4; | |
72 | u16 first_sch; | |
73 | u16:16; | |
74 | u16 last_sch; | |
75 | u32:32; | |
76 | struct chsc_header response; | |
77 | u32:32; | |
78 | struct qdio_ssqd_desc qdio_ssqd; | |
79 | } __packed; | |
80 | ||
ca4ba153 SO |
81 | struct chsc_scssc_area { |
82 | struct chsc_header request; | |
83 | u16 operation_code; | |
84 | u16:16; | |
85 | u32:32; | |
86 | u32:32; | |
87 | u64 summary_indicator_addr; | |
88 | u64 subchannel_indicator_addr; | |
89 | u32 ks:4; | |
90 | u32 kc:4; | |
91 | u32:21; | |
92 | u32 isc:3; | |
93 | u32 word_with_d_bit; | |
94 | u32:32; | |
95 | struct subchannel_id schid; | |
96 | u32 reserved[1004]; | |
97 | struct chsc_header response; | |
98 | u32:32; | |
99 | } __packed; | |
100 | ||
906c9768 SO |
101 | struct chsc_scpd { |
102 | struct chsc_header request; | |
103 | u32:2; | |
104 | u32 m:1; | |
105 | u32 c:1; | |
106 | u32 fmt:4; | |
107 | u32 cssid:8; | |
108 | u32:4; | |
109 | u32 rfmt:4; | |
110 | u32 first_chpid:8; | |
111 | u32:24; | |
112 | u32 last_chpid:8; | |
113 | u32 zeroes1; | |
114 | struct chsc_header response; | |
687cb7f2 SO |
115 | u32:32; |
116 | u8 data[0]; | |
117 | } __packed; | |
906c9768 | 118 | |
18e22a17 SO |
119 | struct chsc_sda_area { |
120 | struct chsc_header request; | |
121 | u8 :4; | |
122 | u8 format:4; | |
123 | u8 :8; | |
124 | u16 operation_code; | |
125 | u32 :32; | |
126 | u32 :32; | |
127 | u32 operation_data_area[252]; | |
128 | struct chsc_header response; | |
129 | u32 :4; | |
130 | u32 format2:4; | |
131 | u32 :24; | |
132 | } __packed __aligned(PAGE_SIZE); | |
906c9768 | 133 | |
7ad6a249 PO |
134 | extern int chsc_get_ssd_info(struct subchannel_id schid, |
135 | struct chsc_ssd_info *ssd); | |
1da177e4 | 136 | extern int chsc_determine_css_characteristics(void); |
34aec07c SO |
137 | extern int chsc_init(void); |
138 | extern void chsc_init_cleanup(void); | |
1da177e4 | 139 | |
18e22a17 | 140 | int __chsc_enable_facility(struct chsc_sda_area *sda_area, int operation_code); |
fb6958a5 | 141 | extern int chsc_enable_facility(int); |
495a5b45 CH |
142 | struct channel_subsystem; |
143 | extern int chsc_secm(struct channel_subsystem *, int); | |
34196f82 | 144 | int __chsc_do_secm(struct channel_subsystem *css, int enable); |
fb6958a5 | 145 | |
e6b6e10a | 146 | int chsc_chp_vary(struct chp_id chpid, int on); |
9d92a7e1 | 147 | int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt, |
906c9768 | 148 | int c, int m, void *page); |
9d92a7e1 CH |
149 | int chsc_determine_base_channel_path_desc(struct chp_id chpid, |
150 | struct channel_path_desc *desc); | |
ce322ccd SO |
151 | int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid, |
152 | struct channel_path_desc_fmt1 *desc); | |
83b3370c | 153 | void chsc_chp_online(struct chp_id chpid); |
e6b6e10a PO |
154 | void chsc_chp_offline(struct chp_id chpid); |
155 | int chsc_get_channel_measurement_chars(struct channel_path *chp); | |
da5b6cb1 | 156 | int chsc_ssqd(struct subchannel_id schid, struct chsc_ssqd_area *ssqd); |
ca4ba153 SO |
157 | int chsc_sadc(struct subchannel_id schid, struct chsc_scssc_area *scssc, |
158 | u64 summary_indicator_addr, u64 subchannel_indicator_addr); | |
dae39843 CH |
159 | int chsc_error_from_response(int response); |
160 | ||
fd0457a6 ME |
161 | int chsc_siosl(struct subchannel_id schid); |
162 | ||
184b08af SO |
163 | /* Functions and definitions to query storage-class memory. */ |
164 | struct sale { | |
165 | u64 sa; | |
166 | u32 p:4; | |
167 | u32 op_state:4; | |
168 | u32 data_state:4; | |
169 | u32 rank:4; | |
170 | u32 r:1; | |
171 | u32:7; | |
172 | u32 rid:8; | |
173 | u32:32; | |
174 | } __packed; | |
175 | ||
176 | struct chsc_scm_info { | |
177 | struct chsc_header request; | |
178 | u32:32; | |
179 | u64 reqtok; | |
180 | u32 reserved1[4]; | |
181 | struct chsc_header response; | |
182 | u64:56; | |
183 | u8 rq; | |
184 | u32 mbc; | |
185 | u64 msa; | |
186 | u16 is; | |
187 | u16 mmc; | |
188 | u32 mci; | |
189 | u64 nr_scm_ini; | |
190 | u64 nr_scm_unini; | |
191 | u32 reserved2[10]; | |
192 | u64 restok; | |
193 | struct sale scmal[248]; | |
194 | } __packed; | |
195 | ||
196 | int chsc_scm_info(struct chsc_scm_info *scm_area, u64 token); | |
197 | ||
1c59a861 EC |
198 | struct chsc_brinfo_resume_token { |
199 | u64 t1; | |
200 | u64 t2; | |
201 | } __packed; | |
202 | ||
203 | struct chsc_brinfo_naihdr { | |
204 | struct chsc_brinfo_resume_token resume_token; | |
205 | u32:32; | |
206 | u32 instance; | |
207 | u32:24; | |
208 | u8 naids; | |
209 | u32 reserved[3]; | |
210 | } __packed; | |
211 | ||
212 | struct chsc_pnso_area { | |
213 | struct chsc_header request; | |
214 | u8:2; | |
215 | u8 m:1; | |
216 | u8:5; | |
217 | u8:2; | |
218 | u8 ssid:2; | |
219 | u8 fmt:4; | |
220 | u16 sch; | |
221 | u8:8; | |
222 | u8 cssid; | |
223 | u16:16; | |
224 | u8 oc; | |
225 | u32:24; | |
226 | struct chsc_brinfo_resume_token resume_token; | |
227 | u32 n:1; | |
228 | u32:31; | |
229 | u32 reserved[3]; | |
230 | struct chsc_header response; | |
231 | u32:32; | |
232 | struct chsc_brinfo_naihdr naihdr; | |
233 | union { | |
234 | struct qdio_brinfo_entry_l3_ipv6 l3_ipv6[0]; | |
235 | struct qdio_brinfo_entry_l3_ipv4 l3_ipv4[0]; | |
236 | struct qdio_brinfo_entry_l2 l2[0]; | |
237 | } entries; | |
238 | } __packed; | |
239 | ||
240 | int chsc_pnso_brinfo(struct subchannel_id schid, | |
241 | struct chsc_pnso_area *brinfo_area, | |
242 | struct chsc_brinfo_resume_token resume_token, | |
243 | int cnc); | |
244 | ||
40ff4cc0 SO |
245 | #ifdef CONFIG_SCM_BUS |
246 | int scm_update_information(void); | |
aebfa669 | 247 | int scm_process_availability_information(void); |
40ff4cc0 | 248 | #else /* CONFIG_SCM_BUS */ |
58fece78 | 249 | static inline int scm_update_information(void) { return 0; } |
aebfa669 | 250 | static inline int scm_process_availability_information(void) { return 0; } |
40ff4cc0 SO |
251 | #endif /* CONFIG_SCM_BUS */ |
252 | ||
253 | ||
1da177e4 | 254 | #endif |