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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 | #ifndef S390_CIO_IOASM_H #define S390_CIO_IOASM_H /* * TPI info structure */ struct tpi_info { __u32 reserved1 : 16; /* reserved 0x00000001 */ __u32 irq : 16; /* aka. subchannel number */ __u32 intparm; /* interruption parameter */ __u32 adapter_IO : 1; __u32 reserved2 : 1; __u32 isc : 3; __u32 reserved3 : 12; __u32 int_type : 3; __u32 reserved4 : 12; } __attribute__ ((packed)); /* * Some S390 specific IO instructions as inline */ extern __inline__ int stsch(int irq, volatile struct schib *addr) { int ccode; __asm__ __volatile__( " lr 1,%1\n" " stsch 0(%2)\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (irq | 0x10000), "a" (addr) : "cc", "1" ); return ccode; } extern __inline__ int msch(int irq, volatile struct schib *addr) { int ccode; __asm__ __volatile__( " lr 1,%1\n" " msch 0(%2)\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (irq | 0x10000L), "a" (addr) : "cc", "1" ); return ccode; } extern __inline__ int msch_err(int irq, volatile struct schib *addr) { int ccode; __asm__ __volatile__( " lhi %0,%3\n" " lr 1,%1\n" " msch 0(%2)\n" "0: ipm %0\n" " srl %0,28\n" "1:\n" #ifdef CONFIG_ARCH_S390X ".section __ex_table,\"a\"\n" " .align 8\n" " .quad 0b,1b\n" ".previous" #else ".section __ex_table,\"a\"\n" " .align 4\n" " .long 0b,1b\n" ".previous" #endif : "=&d" (ccode) : "d" (irq | 0x10000L), "a" (addr), "K" (-EIO) : "cc", "1" ); return ccode; } extern __inline__ int tsch(int irq, volatile struct irb *addr) { int ccode; __asm__ __volatile__( " lr 1,%1\n" " tsch 0(%2)\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (irq | 0x10000L), "a" (addr) : "cc", "1" ); return ccode; } extern __inline__ int tpi( volatile struct tpi_info *addr) { int ccode; __asm__ __volatile__( " tpi 0(%1)\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "a" (addr) : "cc", "1" ); return ccode; } extern __inline__ int ssch(int irq, volatile struct orb *addr) { int ccode; __asm__ __volatile__( " lr 1,%1\n" " ssch 0(%2)\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (irq | 0x10000L), "a" (addr) : "cc", "1" ); return ccode; } extern __inline__ int rsch(int irq) { int ccode; __asm__ __volatile__( " lr 1,%1\n" " rsch\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (irq | 0x10000L) : "cc", "1" ); return ccode; } extern __inline__ int csch(int irq) { int ccode; __asm__ __volatile__( " lr 1,%1\n" " csch\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (irq | 0x10000L) : "cc", "1" ); return ccode; } extern __inline__ int hsch(int irq) { int ccode; __asm__ __volatile__( " lr 1,%1\n" " hsch\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (irq | 0x10000L) : "cc", "1" ); return ccode; } extern __inline__ int xsch(int irq) { int ccode; __asm__ __volatile__( " lr 1,%1\n" " .insn rre,0xb2760000,%1,0\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (irq | 0x10000L) : "cc", "1" ); return ccode; } extern __inline__ int chsc(void *chsc_area) { int cc; __asm__ __volatile__ ( ".insn rre,0xb25f0000,%1,0 \n\t" "ipm %0 \n\t" "srl %0,28 \n\t" : "=d" (cc) : "d" (chsc_area) : "cc" ); return cc; } extern __inline__ int iac( void) { int ccode; __asm__ __volatile__( " iac 1\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : : "cc", "1" ); return ccode; } extern __inline__ int rchp(int chpid) { int ccode; __asm__ __volatile__( " lr 1,%1\n" " rchp\n" " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (chpid) : "cc", "1" ); return ccode; } #endif |