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path: root/drivers/s390/cio/ioasm.h
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Diffstat (limited to 'drivers/s390/cio/ioasm.h')
-rw-r--r--drivers/s390/cio/ioasm.h86
1 files changed, 61 insertions, 25 deletions
diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h
index 45480a2bc4c0..95a9462f9a91 100644
--- a/drivers/s390/cio/ioasm.h
+++ b/drivers/s390/cio/ioasm.h
@@ -1,12 +1,13 @@
1#ifndef S390_CIO_IOASM_H 1#ifndef S390_CIO_IOASM_H
2#define S390_CIO_IOASM_H 2#define S390_CIO_IOASM_H
3 3
4#include "schid.h"
5
4/* 6/*
5 * TPI info structure 7 * TPI info structure
6 */ 8 */
7struct tpi_info { 9struct tpi_info {
8 __u32 reserved1 : 16; /* reserved 0x00000001 */ 10 struct subchannel_id schid;
9 __u32 irq : 16; /* aka. subchannel number */
10 __u32 intparm; /* interruption parameter */ 11 __u32 intparm; /* interruption parameter */
11 __u32 adapter_IO : 1; 12 __u32 adapter_IO : 1;
12 __u32 reserved2 : 1; 13 __u32 reserved2 : 1;
@@ -21,7 +22,8 @@ struct tpi_info {
21 * Some S390 specific IO instructions as inline 22 * Some S390 specific IO instructions as inline
22 */ 23 */
23 24
24static inline int stsch(int irq, volatile struct schib *addr) 25static inline int stsch(struct subchannel_id schid,
26 volatile struct schib *addr)
25{ 27{
26 int ccode; 28 int ccode;
27 29
@@ -31,12 +33,42 @@ static inline int stsch(int irq, volatile struct schib *addr)
31 " ipm %0\n" 33 " ipm %0\n"
32 " srl %0,28" 34 " srl %0,28"
33 : "=d" (ccode) 35 : "=d" (ccode)
34 : "d" (irq | 0x10000), "a" (addr) 36 : "d" (schid), "a" (addr), "m" (*addr)
37 : "cc", "1" );
38 return ccode;
39}
40
41static inline int stsch_err(struct subchannel_id schid,
42 volatile struct schib *addr)
43{
44 int ccode;
45
46 __asm__ __volatile__(
47 " lhi %0,%3\n"
48 " lr 1,%1\n"
49 " stsch 0(%2)\n"
50 "0: ipm %0\n"
51 " srl %0,28\n"
52 "1:\n"
53#ifdef CONFIG_64BIT
54 ".section __ex_table,\"a\"\n"
55 " .align 8\n"
56 " .quad 0b,1b\n"
57 ".previous"
58#else
59 ".section __ex_table,\"a\"\n"
60 " .align 4\n"
61 " .long 0b,1b\n"
62 ".previous"
63#endif
64 : "=&d" (ccode)
65 : "d" (schid), "a" (addr), "K" (-EIO), "m" (*addr)
35 : "cc", "1" ); 66 : "cc", "1" );
36 return ccode; 67 return ccode;
37} 68}
38 69
39static inline int msch(int irq, volatile struct schib *addr) 70static inline int msch(struct subchannel_id schid,
71 volatile struct schib *addr)
40{ 72{
41 int ccode; 73 int ccode;
42 74
@@ -46,12 +78,13 @@ static inline int msch(int irq, volatile struct schib *addr)
46 " ipm %0\n" 78 " ipm %0\n"
47 " srl %0,28" 79 " srl %0,28"
48 : "=d" (ccode) 80 : "=d" (ccode)
49 : "d" (irq | 0x10000L), "a" (addr) 81 : "d" (schid), "a" (addr), "m" (*addr)
50 : "cc", "1" ); 82 : "cc", "1" );
51 return ccode; 83 return ccode;
52} 84}
53 85
54static inline int msch_err(int irq, volatile struct schib *addr) 86static inline int msch_err(struct subchannel_id schid,
87 volatile struct schib *addr)
55{ 88{
56 int ccode; 89 int ccode;
57 90
@@ -62,7 +95,7 @@ static inline int msch_err(int irq, volatile struct schib *addr)
62 "0: ipm %0\n" 95 "0: ipm %0\n"
63 " srl %0,28\n" 96 " srl %0,28\n"
64 "1:\n" 97 "1:\n"
65#ifdef CONFIG_ARCH_S390X 98#ifdef CONFIG_64BIT
66 ".section __ex_table,\"a\"\n" 99 ".section __ex_table,\"a\"\n"
67 " .align 8\n" 100 " .align 8\n"
68 " .quad 0b,1b\n" 101 " .quad 0b,1b\n"
@@ -74,12 +107,13 @@ static inline int msch_err(int irq, volatile struct schib *addr)
74 ".previous" 107 ".previous"
75#endif 108#endif
76 : "=&d" (ccode) 109 : "=&d" (ccode)
77 : "d" (irq | 0x10000L), "a" (addr), "K" (-EIO) 110 : "d" (schid), "a" (addr), "K" (-EIO), "m" (*addr)
78 : "cc", "1" ); 111 : "cc", "1" );
79 return ccode; 112 return ccode;
80} 113}
81 114
82static inline int tsch(int irq, volatile struct irb *addr) 115static inline int tsch(struct subchannel_id schid,
116 volatile struct irb *addr)
83{ 117{
84 int ccode; 118 int ccode;
85 119
@@ -89,7 +123,7 @@ static inline int tsch(int irq, volatile struct irb *addr)
89 " ipm %0\n" 123 " ipm %0\n"
90 " srl %0,28" 124 " srl %0,28"
91 : "=d" (ccode) 125 : "=d" (ccode)
92 : "d" (irq | 0x10000L), "a" (addr) 126 : "d" (schid), "a" (addr), "m" (*addr)
93 : "cc", "1" ); 127 : "cc", "1" );
94 return ccode; 128 return ccode;
95} 129}
@@ -103,12 +137,13 @@ static inline int tpi( volatile struct tpi_info *addr)
103 " ipm %0\n" 137 " ipm %0\n"
104 " srl %0,28" 138 " srl %0,28"
105 : "=d" (ccode) 139 : "=d" (ccode)
106 : "a" (addr) 140 : "a" (addr), "m" (*addr)
107 : "cc", "1" ); 141 : "cc", "1" );
108 return ccode; 142 return ccode;
109} 143}
110 144
111static inline int ssch(int irq, volatile struct orb *addr) 145static inline int ssch(struct subchannel_id schid,
146 volatile struct orb *addr)
112{ 147{
113 int ccode; 148 int ccode;
114 149
@@ -118,12 +153,12 @@ static inline int ssch(int irq, volatile struct orb *addr)
118 " ipm %0\n" 153 " ipm %0\n"
119 " srl %0,28" 154 " srl %0,28"
120 : "=d" (ccode) 155 : "=d" (ccode)
121 : "d" (irq | 0x10000L), "a" (addr) 156 : "d" (schid), "a" (addr), "m" (*addr)
122 : "cc", "1" ); 157 : "cc", "1" );
123 return ccode; 158 return ccode;
124} 159}
125 160
126static inline int rsch(int irq) 161static inline int rsch(struct subchannel_id schid)
127{ 162{
128 int ccode; 163 int ccode;
129 164
@@ -133,12 +168,12 @@ static inline int rsch(int irq)
133 " ipm %0\n" 168 " ipm %0\n"
134 " srl %0,28" 169 " srl %0,28"
135 : "=d" (ccode) 170 : "=d" (ccode)
136 : "d" (irq | 0x10000L) 171 : "d" (schid)
137 : "cc", "1" ); 172 : "cc", "1" );
138 return ccode; 173 return ccode;
139} 174}
140 175
141static inline int csch(int irq) 176static inline int csch(struct subchannel_id schid)
142{ 177{
143 int ccode; 178 int ccode;
144 179
@@ -148,12 +183,12 @@ static inline int csch(int irq)
148 " ipm %0\n" 183 " ipm %0\n"
149 " srl %0,28" 184 " srl %0,28"
150 : "=d" (ccode) 185 : "=d" (ccode)
151 : "d" (irq | 0x10000L) 186 : "d" (schid)
152 : "cc", "1" ); 187 : "cc", "1" );
153 return ccode; 188 return ccode;
154} 189}
155 190
156static inline int hsch(int irq) 191static inline int hsch(struct subchannel_id schid)
157{ 192{
158 int ccode; 193 int ccode;
159 194
@@ -163,12 +198,12 @@ static inline int hsch(int irq)
163 " ipm %0\n" 198 " ipm %0\n"
164 " srl %0,28" 199 " srl %0,28"
165 : "=d" (ccode) 200 : "=d" (ccode)
166 : "d" (irq | 0x10000L) 201 : "d" (schid)
167 : "cc", "1" ); 202 : "cc", "1" );
168 return ccode; 203 return ccode;
169} 204}
170 205
171static inline int xsch(int irq) 206static inline int xsch(struct subchannel_id schid)
172{ 207{
173 int ccode; 208 int ccode;
174 209
@@ -178,21 +213,22 @@ static inline int xsch(int irq)
178 " ipm %0\n" 213 " ipm %0\n"
179 " srl %0,28" 214 " srl %0,28"
180 : "=d" (ccode) 215 : "=d" (ccode)
181 : "d" (irq | 0x10000L) 216 : "d" (schid)
182 : "cc", "1" ); 217 : "cc", "1" );
183 return ccode; 218 return ccode;
184} 219}
185 220
186static inline int chsc(void *chsc_area) 221static inline int chsc(void *chsc_area)
187{ 222{
223 typedef struct { char _[4096]; } addr_type;
188 int cc; 224 int cc;
189 225
190 __asm__ __volatile__ ( 226 __asm__ __volatile__ (
191 ".insn rre,0xb25f0000,%1,0 \n\t" 227 ".insn rre,0xb25f0000,%2,0 \n\t"
192 "ipm %0 \n\t" 228 "ipm %0 \n\t"
193 "srl %0,28 \n\t" 229 "srl %0,28 \n\t"
194 : "=d" (cc) 230 : "=d" (cc), "=m" (*(addr_type *) chsc_area)
195 : "d" (chsc_area) 231 : "d" (chsc_area), "m" (*(addr_type *) chsc_area)
196 : "cc" ); 232 : "cc" );
197 233
198 return cc; 234 return cc;
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-23 12:10:33 -0500