1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 /*
3 * Copyright IBM Corp. 1999, 2009
4 *
5 * Author(s): Martin Schwidefsky <schwidefsky@
6 */
7
8 #ifndef __ASM_S390_CTLREG_H
9 #define __ASM_S390_CTLREG_H
10
11 #include <linux/bits.h>
12
13 #define CR0_TRANSACTIONAL_EXECUTION_BIT
14 #define CR0_CLOCK_COMPARATOR_SIGN_BIT
15 #define CR0_CRYPTOGRAPHY_COUNTER_BIT
16 #define CR0_PAI_EXTENSION_BIT
17 #define CR0_CPUMF_EXTRACTION_AUTH_BIT
18 #define CR0_WARNING_TRACK_BIT
19 #define CR0_LOW_ADDRESS_PROTECTION_BIT
20 #define CR0_FETCH_PROTECTION_OVERRIDE_BIT
21 #define CR0_STORAGE_PROTECTION_OVERRIDE_BIT
22 #define CR0_EDAT_BIT
23 #define CR0_INSTRUCTION_EXEC_PROTECTION_BIT
24 #define CR0_VECTOR_BIT
25 #define CR0_MALFUNCTION_ALERT_SUBMASK_BIT
26 #define CR0_EMERGENCY_SIGNAL_SUBMASK_BIT
27 #define CR0_EXTERNAL_CALL_SUBMASK_BIT
28 #define CR0_CLOCK_COMPARATOR_SUBMASK_BIT
29 #define CR0_CPU_TIMER_SUBMASK_BIT
30 #define CR0_SERVICE_SIGNAL_SUBMASK_BIT
31 #define CR0_UNUSED_56_BIT
32 #define CR0_INTERRUPT_KEY_SUBMASK_BIT
33 #define CR0_MEASUREMENT_ALERT_SUBMASK_BIT
34 #define CR0_ETR_SUBMASK_BIT
35 #define CR0_IUCV_BIT
36
37 #define CR0_TRANSACTIONAL_EXECUTION
38 #define CR0_CLOCK_COMPARATOR_SIGN
39 #define CR0_CRYPTOGRAPHY_COUNTER
40 #define CR0_PAI_EXTENSION
41 #define CR0_CPUMF_EXTRACTION_AUTH
42 #define CR0_WARNING_TRACK
43 #define CR0_LOW_ADDRESS_PROTECTION
44 #define CR0_FETCH_PROTECTION_OVERRIDE
45 #define CR0_STORAGE_PROTECTION_OVERRIDE
46 #define CR0_EDAT
47 #define CR0_INSTRUCTION_EXEC_PROTECTION
48 #define CR0_VECTOR
49 #define CR0_MALFUNCTION_ALERT_SUBMASK
50 #define CR0_EMERGENCY_SIGNAL_SUBMASK
51 #define CR0_EXTERNAL_CALL_SUBMASK
52 #define CR0_CLOCK_COMPARATOR_SUBMASK
53 #define CR0_CPU_TIMER_SUBMASK
54 #define CR0_SERVICE_SIGNAL_SUBMASK
55 #define CR0_UNUSED_56
56 #define CR0_INTERRUPT_KEY_SUBMASK
57 #define CR0_MEASUREMENT_ALERT_SUBMASK
58 #define CR0_ETR_SUBMASK
59 #define CR0_IUCV
60
61 #define CR2_MIO_ADDRESSING_BIT
62 #define CR2_GUARDED_STORAGE_BIT
63
64 #define CR2_MIO_ADDRESSING
65 #define CR2_GUARDED_STORAGE
66
67 #define CR14_UNUSED_32_BIT
68 #define CR14_UNUSED_33_BIT
69 #define CR14_CHANNEL_REPORT_SUBMASK_BIT
70 #define CR14_RECOVERY_SUBMASK_BIT
71 #define CR14_DEGRADATION_SUBMASK_BIT
72 #define CR14_EXTERNAL_DAMAGE_SUBMASK_BIT
73 #define CR14_WARNING_SUBMASK_BIT
74
75 #define CR14_UNUSED_32
76 #define CR14_UNUSED_33
77 #define CR14_CHANNEL_REPORT_SUBMASK
78 #define CR14_RECOVERY_SUBMASK
79 #define CR14_DEGRADATION_SUBMASK
80 #define CR14_EXTERNAL_DAMAGE_SUBMASK
81 #define CR14_WARNING_SUBMASK
82
83 #ifndef __ASSEMBLY__
84
85 #include <linux/bug.h>
86
87 struct ctlreg {
88 unsigned long val;
89 };
90
91 #define __local_ctl_load(low, high, array) do
92 struct addrtype {
93 char _[sizeof(array)];
94 };
95 int _high = high;
96 int _low = low;
97 int _esize;
98
99 _esize = (_high - _low + 1) * sizeof(s
100 BUILD_BUG_ON(sizeof(struct addrtype) !
101 typecheck(struct ctlreg, array[0]);
102 asm volatile(
103 " lctlg %[_low],%[_hig
104 :
105 : [_arr] "Q" (*(struct addrtyp
106 [_low] "i" (low), [_high] "i
107 : "memory");
108 } while (0)
109
110 #define __local_ctl_store(low, high, array) do
111 struct addrtype {
112 char _[sizeof(array)];
113 };
114 int _high = high;
115 int _low = low;
116 int _esize;
117
118 _esize = (_high - _low + 1) * sizeof(s
119 BUILD_BUG_ON(sizeof(struct addrtype) !
120 typecheck(struct ctlreg, array[0]);
121 asm volatile(
122 " stctg %[_low],%[_hig
123 : [_arr] "=Q" (*(struct addrty
124 : [_low] "i" (low), [_high] "i
125 } while (0)
126
127 static __always_inline void local_ctl_load(uns
128 {
129 asm volatile(
130 " lctlg %[cr],%[cr],%[
131 :
132 : [reg] "Q" (*reg), [cr] "i" (
133 : "memory");
134 }
135
136 static __always_inline void local_ctl_store(un
137 {
138 asm volatile(
139 " stctg %[cr],%[cr],%[
140 : [reg] "=Q" (*reg)
141 : [cr] "i" (cr));
142 }
143
144 static __always_inline struct ctlreg local_ctl
145 {
146 struct ctlreg new, old;
147
148 local_ctl_store(cr, &old);
149 new = old;
150 new.val |= 1UL << bit;
151 local_ctl_load(cr, &new);
152 return old;
153 }
154
155 static __always_inline struct ctlreg local_ctl
156 {
157 struct ctlreg new, old;
158
159 local_ctl_store(cr, &old);
160 new = old;
161 new.val &= ~(1UL << bit);
162 local_ctl_load(cr, &new);
163 return old;
164 }
165
166 struct lowcore;
167
168 void system_ctlreg_lock(void);
169 void system_ctlreg_unlock(void);
170 void system_ctlreg_init_save_area(struct lowco
171 void system_ctlreg_modify(unsigned int cr, uns
172
173 enum {
174 CTLREG_SET_BIT,
175 CTLREG_CLEAR_BIT,
176 CTLREG_LOAD,
177 };
178
179 static inline void system_ctl_set_bit(unsigned
180 {
181 system_ctlreg_modify(cr, bit, CTLREG_S
182 }
183
184 static inline void system_ctl_clear_bit(unsign
185 {
186 system_ctlreg_modify(cr, bit, CTLREG_C
187 }
188
189 static inline void system_ctl_load(unsigned in
190 {
191 system_ctlreg_modify(cr, reg->val, CTL
192 }
193
194 union ctlreg0 {
195 unsigned long val;
196 struct ctlreg reg;
197 struct {
198 unsigned long : 8;
199 unsigned long tcx : 1; /* Tra
200 unsigned long pifo : 1; /* Tra
201 Int
202 unsigned long : 3;
203 unsigned long ccc : 1; /* Cry
204 unsigned long pec : 1; /* PAI
205 unsigned long : 15;
206 unsigned long wti : 1; /* War
207 unsigned long : 4;
208 unsigned long lap : 1; /* Low
209 unsigned long : 4;
210 unsigned long edat : 1; /* Enh
211 unsigned long : 2;
212 unsigned long iep : 1; /* Ins
213 unsigned long : 1;
214 unsigned long afp : 1; /* AFP
215 unsigned long vx : 1; /* Vec
216 unsigned long : 7;
217 unsigned long sssm : 1; /* Ser
218 unsigned long : 9;
219 };
220 };
221
222 union ctlreg2 {
223 unsigned long val;
224 struct ctlreg reg;
225 struct {
226 unsigned long : 33;
227 unsigned long ducto : 25;
228 unsigned long : 1;
229 unsigned long gse : 1;
230 unsigned long : 1;
231 unsigned long tds : 1;
232 unsigned long tdc : 2;
233 };
234 };
235
236 union ctlreg5 {
237 unsigned long val;
238 struct ctlreg reg;
239 struct {
240 unsigned long : 33;
241 unsigned long pasteo: 25;
242 unsigned long : 6;
243 };
244 };
245
246 union ctlreg15 {
247 unsigned long val;
248 struct ctlreg reg;
249 struct {
250 unsigned long lsea : 61;
251 unsigned long : 3;
252 };
253 };
254
255 #endif /* __ASSEMBLY__ */
256 #endif /* __ASM_S390_CTLREG_H */
257
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