1 #ifndef _CIO_QDIO_H 2 #define _CIO_QDIO_H 3 4 #include <asm/page.h> 5 6 #define VERSION_CIO_QDIO_H "$Revision: 1.33 $" 7 8 #ifdef CONFIG_QDIO_DEBUG 9 #define QDIO_VERBOSE_LEVEL 9 10 #else /* CONFIG_QDIO_DEBUG */ 11 #define QDIO_VERBOSE_LEVEL 5 12 #endif /* CONFIG_QDIO_DEBUG */ 13 14 #define QDIO_USE_PROCESSING_STATE 15 16 #ifdef CONFIG_QDIO_PERF_STATS 17 #define QDIO_PERFORMANCE_STATS 18 #endif /* CONFIG_QDIO_PERF_STATS */ 19 20 #define QDIO_MINIMAL_BH_RELIEF_TIME 16 21 #define QDIO_TIMER_POLL_VALUE 1 22 #define IQDIO_TIMER_POLL_VALUE 1 23 24 /* 25 * unfortunately this can't be (QDIO_MAX_BUFFERS_PER_Q*4/3) or so -- as 26 * we never know, whether we'll get initiative again, e.g. to give the 27 * transmit skb's back to the stack, however the stack may be waiting for 28 * them... therefore we define 4 as threshold to start polling (which 29 * will stop as soon as the asynchronous queue catches up) 30 * btw, this only applies to the asynchronous HiperSockets queue 31 */ 32 #define IQDIO_FILL_LEVEL_TO_POLL 4 33 34 #define TIQDIO_THININT_ISC 3 35 #define TIQDIO_DELAY_TARGET 0 36 #define QDIO_BUSY_BIT_PATIENCE 100 /* in microsecs */ 37 #define QDIO_BUSY_BIT_GIVE_UP 10000000 /* 10 seconds */ 38 #define IQDIO_GLOBAL_LAPS 2 /* GLOBAL_LAPS are not used as we */ 39 #define IQDIO_GLOBAL_LAPS_INT 1 /* don't global summary */ 40 #define IQDIO_LOCAL_LAPS 4 41 #define IQDIO_LOCAL_LAPS_INT 1 42 #define IQDIO_GLOBAL_SUMMARY_CC_MASK 2 43 /*#define IQDIO_IQDC_INT_PARM 0x1234*/ 44 45 #define QDIO_Q_LAPS 5 46 47 #define QDIO_STORAGE_KEY PAGE_DEFAULT_KEY 48 49 #define L2_CACHELINE_SIZE 256 50 #define INDICATORS_PER_CACHELINE (L2_CACHELINE_SIZE/sizeof(__u32)) 51 52 #define QDIO_PERF "qdio_perf" 53 54 /* must be a power of 2 */ 55 /*#define QDIO_STATS_NUMBER 4 56 57 #define QDIO_STATS_CLASSES 2 58 #define QDIO_STATS_COUNT_NEEDED 2*/ 59 60 #define QDIO_NO_USE_COUNT_TIMEOUT (1*HZ) /* wait for 1 sec on each q before 61 exiting without having use_count 62 of the queue to 0 */ 63 64 #define QDIO_ESTABLISH_TIMEOUT (1*HZ) 65 #define QDIO_ACTIVATE_TIMEOUT ((5*HZ)>>10) 66 #define QDIO_CLEANUP_CLEAR_TIMEOUT (20*HZ) 67 #define QDIO_CLEANUP_HALT_TIMEOUT (10*HZ) 68 69 enum qdio_irq_states { 70 QDIO_IRQ_STATE_INACTIVE, 71 QDIO_IRQ_STATE_ESTABLISHED, 72 QDIO_IRQ_STATE_ACTIVE, 73 QDIO_IRQ_STATE_STOPPED, 74 QDIO_IRQ_STATE_CLEANUP, 75 QDIO_IRQ_STATE_ERR, 76 NR_QDIO_IRQ_STATES, 77 }; 78 79 /* used as intparm in do_IO: */ 80 #define QDIO_DOING_SENSEID 0 81 #define QDIO_DOING_ESTABLISH 1 82 #define QDIO_DOING_ACTIVATE 2 83 #define QDIO_DOING_CLEANUP 3 84 85 /************************* DEBUG FACILITY STUFF *********************/ 86 87 #define QDIO_DBF_HEX(ex,name,level,addr,len) \ 88 do { \ 89 if (ex) \ 90 debug_exception(qdio_dbf_##name,level,(void*)(addr),len); \ 91 else \ 92 debug_event(qdio_dbf_##name,level,(void*)(addr),len); \ 93 } while (0) 94 #define QDIO_DBF_TEXT(ex,name,level,text) \ 95 do { \ 96 if (ex) \ 97 debug_text_exception(qdio_dbf_##name,level,text); \ 98 else \ 99 debug_text_event(qdio_dbf_##name,level,text); \ 100 } while (0) 101 102 103 #define QDIO_DBF_HEX0(ex,name,addr,len) QDIO_DBF_HEX(ex,name,0,addr,len) 104 #define QDIO_DBF_HEX1(ex,name,addr,len) QDIO_DBF_HEX(ex,name,1,addr,len) 105 #define QDIO_DBF_HEX2(ex,name,addr,len) QDIO_DBF_HEX(ex,name,2,addr,len) 106 #ifdef CONFIG_QDIO_DEBUG 107 #define QDIO_DBF_HEX3(ex,name,addr,len) QDIO_DBF_HEX(ex,name,3,addr,len) 108 #define QDIO_DBF_HEX4(ex,name,addr,len) QDIO_DBF_HEX(ex,name,4,addr,len) 109 #define QDIO_DBF_HEX5(ex,name,addr,len) QDIO_DBF_HEX(ex,name,5,addr,len) 110 #define QDIO_DBF_HEX6(ex,name,addr,len) QDIO_DBF_HEX(ex,name,6,addr,len) 111 #else /* CONFIG_QDIO_DEBUG */ 112 #define QDIO_DBF_HEX3(ex,name,addr,len) do {} while (0) 113 #define QDIO_DBF_HEX4(ex,name,addr,len) do {} while (0) 114 #define QDIO_DBF_HEX5(ex,name,addr,len) do {} while (0) 115 #define QDIO_DBF_HEX6(ex,name,addr,len) do {} while (0) 116 #endif /* CONFIG_QDIO_DEBUG */ 117 118 #define QDIO_DBF_TEXT0(ex,name,text) QDIO_DBF_TEXT(ex,name,0,text) 119 #define QDIO_DBF_TEXT1(ex,name,text) QDIO_DBF_TEXT(ex,name,1,text) 120 #define QDIO_DBF_TEXT2(ex,name,text) QDIO_DBF_TEXT(ex,name,2,text) 121 #ifdef CONFIG_QDIO_DEBUG 122 #define QDIO_DBF_TEXT3(ex,name,text) QDIO_DBF_TEXT(ex,name,3,text) 123 #define QDIO_DBF_TEXT4(ex,name,text) QDIO_DBF_TEXT(ex,name,4,text) 124 #define QDIO_DBF_TEXT5(ex,name,text) QDIO_DBF_TEXT(ex,name,5,text) 125 #define QDIO_DBF_TEXT6(ex,name,text) QDIO_DBF_TEXT(ex,name,6,text) 126 #else /* CONFIG_QDIO_DEBUG */ 127 #define QDIO_DBF_TEXT3(ex,name,text) do {} while (0) 128 #define QDIO_DBF_TEXT4(ex,name,text) do {} while (0) 129 #define QDIO_DBF_TEXT5(ex,name,text) do {} while (0) 130 #define QDIO_DBF_TEXT6(ex,name,text) do {} while (0) 131 #endif /* CONFIG_QDIO_DEBUG */ 132 133 #define QDIO_DBF_SETUP_NAME "qdio_setup" 134 #define QDIO_DBF_SETUP_LEN 8 135 #define QDIO_DBF_SETUP_PAGES 4 136 #define QDIO_DBF_SETUP_NR_AREAS 1 137 #ifdef CONFIG_QDIO_DEBUG 138 #define QDIO_DBF_SETUP_LEVEL 6 139 #else /* CONFIG_QDIO_DEBUG */ 140 #define QDIO_DBF_SETUP_LEVEL 2 141 #endif /* CONFIG_QDIO_DEBUG */ 142 143 #define QDIO_DBF_SBAL_NAME "qdio_labs" /* sbal */ 144 #define QDIO_DBF_SBAL_LEN 256 145 #define QDIO_DBF_SBAL_PAGES 4 146 #define QDIO_DBF_SBAL_NR_AREAS 2 147 #ifdef CONFIG_QDIO_DEBUG 148 #define QDIO_DBF_SBAL_LEVEL 6 149 #else /* CONFIG_QDIO_DEBUG */ 150 #define QDIO_DBF_SBAL_LEVEL 2 151 #endif /* CONFIG_QDIO_DEBUG */ 152 153 #define QDIO_DBF_TRACE_NAME "qdio_trace" 154 #define QDIO_DBF_TRACE_LEN 8 155 #define QDIO_DBF_TRACE_NR_AREAS 2 156 #ifdef CONFIG_QDIO_DEBUG 157 #define QDIO_DBF_TRACE_PAGES 16 158 #define QDIO_DBF_TRACE_LEVEL 4 /* -------- could be even more verbose here */ 159 #else /* CONFIG_QDIO_DEBUG */ 160 #define QDIO_DBF_TRACE_PAGES 4 161 #define QDIO_DBF_TRACE_LEVEL 2 162 #endif /* CONFIG_QDIO_DEBUG */ 163 164 #define QDIO_DBF_SENSE_NAME "qdio_sense" 165 #define QDIO_DBF_SENSE_LEN 64 166 #define QDIO_DBF_SENSE_PAGES 2 167 #define QDIO_DBF_SENSE_NR_AREAS 1 168 #ifdef CONFIG_QDIO_DEBUG 169 #define QDIO_DBF_SENSE_LEVEL 6 170 #else /* CONFIG_QDIO_DEBUG */ 171 #define QDIO_DBF_SENSE_LEVEL 2 172 #endif /* CONFIG_QDIO_DEBUG */ 173 174 #ifdef CONFIG_QDIO_DEBUG 175 #define QDIO_TRACE_QTYPE QDIO_ZFCP_QFMT 176 177 #define QDIO_DBF_SLSB_OUT_NAME "qdio_slsb_out" 178 #define QDIO_DBF_SLSB_OUT_LEN QDIO_MAX_BUFFERS_PER_Q 179 #define QDIO_DBF_SLSB_OUT_PAGES 256 180 #define QDIO_DBF_SLSB_OUT_NR_AREAS 1 181 #define QDIO_DBF_SLSB_OUT_LEVEL 6 182 183 #define QDIO_DBF_SLSB_IN_NAME "qdio_slsb_in" 184 #define QDIO_DBF_SLSB_IN_LEN QDIO_MAX_BUFFERS_PER_Q 185 #define QDIO_DBF_SLSB_IN_PAGES 256 186 #define QDIO_DBF_SLSB_IN_NR_AREAS 1 187 #define QDIO_DBF_SLSB_IN_LEVEL 6 188 #endif /* CONFIG_QDIO_DEBUG */ 189 190 #define QDIO_PRINTK_HEADER QDIO_NAME ": " 191 192 #if QDIO_VERBOSE_LEVEL>8 193 #define QDIO_PRINT_STUPID(x...) printk( KERN_DEBUG QDIO_PRINTK_HEADER x) 194 #else 195 #define QDIO_PRINT_STUPID(x...) 196 #endif 197 198 #if QDIO_VERBOSE_LEVEL>7 199 #define QDIO_PRINT_ALL(x...) printk( QDIO_PRINTK_HEADER x) 200 #else 201 #define QDIO_PRINT_ALL(x...) 202 #endif 203 204 #if QDIO_VERBOSE_LEVEL>6 205 #define QDIO_PRINT_INFO(x...) printk( QDIO_PRINTK_HEADER x) 206 #else 207 #define QDIO_PRINT_INFO(x...) 208 #endif 209 210 #if QDIO_VERBOSE_LEVEL>5 211 #define QDIO_PRINT_WARN(x...) printk( QDIO_PRINTK_HEADER x) 212 #else 213 #define QDIO_PRINT_WARN(x...) 214 #endif 215 216 #if QDIO_VERBOSE_LEVEL>4 217 #define QDIO_PRINT_ERR(x...) printk( QDIO_PRINTK_HEADER x) 218 #else 219 #define QDIO_PRINT_ERR(x...) 220 #endif 221 222 #if QDIO_VERBOSE_LEVEL>3 223 #define QDIO_PRINT_CRIT(x...) printk( QDIO_PRINTK_HEADER x) 224 #else 225 #define QDIO_PRINT_CRIT(x...) 226 #endif 227 228 #if QDIO_VERBOSE_LEVEL>2 229 #define QDIO_PRINT_ALERT(x...) printk( QDIO_PRINTK_HEADER x) 230 #else 231 #define QDIO_PRINT_ALERT(x...) 232 #endif 233 234 #if QDIO_VERBOSE_LEVEL>1 235 #define QDIO_PRINT_EMERG(x...) printk( QDIO_PRINTK_HEADER x) 236 #else 237 #define QDIO_PRINT_EMERG(x...) 238 #endif 239 240 #define HEXDUMP16(importance,header,ptr) \ 241 QDIO_PRINT_##importance(header "%02x %02x %02x %02x " \ 242 "%02x %02x %02x %02x %02x %02x %02x %02x " \ 243 "%02x %02x %02x %02x\n",*(((char*)ptr)), \ 244 *(((char*)ptr)+1),*(((char*)ptr)+2), \ 245 *(((char*)ptr)+3),*(((char*)ptr)+4), \ 246 *(((char*)ptr)+5),*(((char*)ptr)+6), \ 247 *(((char*)ptr)+7),*(((char*)ptr)+8), \ 248 *(((char*)ptr)+9),*(((char*)ptr)+10), \ 249 *(((char*)ptr)+11),*(((char*)ptr)+12), \ 250 *(((char*)ptr)+13),*(((char*)ptr)+14), \ 251 *(((char*)ptr)+15)); \ 252 QDIO_PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \ 253 "%02x %02x %02x %02x %02x %02x %02x %02x\n", \ 254 *(((char*)ptr)+16),*(((char*)ptr)+17), \ 255 *(((char*)ptr)+18),*(((char*)ptr)+19), \ 256 *(((char*)ptr)+20),*(((char*)ptr)+21), \ 257 *(((char*)ptr)+22),*(((char*)ptr)+23), \ 258 *(((char*)ptr)+24),*(((char*)ptr)+25), \ 259 *(((char*)ptr)+26),*(((char*)ptr)+27), \ 260 *(((char*)ptr)+28),*(((char*)ptr)+29), \ 261 *(((char*)ptr)+30),*(((char*)ptr)+31)); 262 263 /****************** END OF DEBUG FACILITY STUFF *********************/ 264 265 /* 266 * Some instructions as assembly 267 */ 268 extern __inline__ int 269 do_siga_sync(unsigned int irq, unsigned int mask1, unsigned int mask2) 270 { 271 int cc; 272 273 #ifndef CONFIG_ARCH_S390X 274 asm volatile ( 275 "lhi 0,2 \n\t" 276 "lr 1,%1 \n\t" 277 "lr 2,%2 \n\t" 278 "lr 3,%3 \n\t" 279 "siga 0 \n\t" 280 "ipm %0 \n\t" 281 "srl %0,28 \n\t" 282 : "=d" (cc) 283 : "d" (0x10000|irq), "d" (mask1), "d" (mask2) 284 : "cc", "0", "1", "2", "3" 285 ); 286 #else /* CONFIG_ARCH_S390X */ 287 asm volatile ( 288 "lghi 0,2 \n\t" 289 "llgfr 1,%1 \n\t" 290 "llgfr 2,%2 \n\t" 291 "llgfr 3,%3 \n\t" 292 "siga 0 \n\t" 293 "ipm %0 \n\t" 294 "srl %0,28 \n\t" 295 : "=d" (cc) 296 : "d" (0x10000|irq), "d" (mask1), "d" (mask2) 297 : "cc", "0", "1", "2", "3" 298 ); 299 #endif /* CONFIG_ARCH_S390X */ 300 return cc; 301 } 302 303 extern __inline__ int 304 do_siga_input(unsigned int irq, unsigned int mask) 305 { 306 int cc; 307 308 #ifndef CONFIG_ARCH_S390X 309 asm volatile ( 310 "lhi 0,1 \n\t" 311 "lr 1,%1 \n\t" 312 "lr 2,%2 \n\t" 313 "siga 0 \n\t" 314 "ipm %0 \n\t" 315 "srl %0,28 \n\t" 316 : "=d" (cc) 317 : "d" (0x10000|irq), "d" (mask) 318 : "cc", "0", "1", "2", "memory" 319 ); 320 #else /* CONFIG_ARCH_S390X */ 321 asm volatile ( 322 "lghi 0,1 \n\t" 323 "llgfr 1,%1 \n\t" 324 "llgfr 2,%2 \n\t" 325 "siga 0 \n\t" 326 "ipm %0 \n\t" 327 "srl %0,28 \n\t" 328 : "=d" (cc) 329 : "d" (0x10000|irq), "d" (mask) 330 : "cc", "0", "1", "2", "memory" 331 ); 332 #endif /* CONFIG_ARCH_S390X */ 333 334 return cc; 335 } 336 337 extern __inline__ int 338 do_siga_output(unsigned long irq, unsigned long mask, __u32 *bb) 339 { 340 int cc; 341 __u32 busy_bit; 342 343 #ifndef CONFIG_ARCH_S390X 344 asm volatile ( 345 "lhi 0,0 \n\t" 346 "lr 1,%2 \n\t" 347 "lr 2,%3 \n\t" 348 "siga 0 \n\t" 349 "0:" 350 "ipm %0 \n\t" 351 "srl %0,28 \n\t" 352 "srl 0,31 \n\t" 353 "lr %1,0 \n\t" 354 "1: \n\t" 355 ".section .fixup,\"ax\"\n\t" 356 "2: \n\t" 357 "lhi %0,%4 \n\t" 358 "bras 1,3f \n\t" 359 ".long 1b \n\t" 360 "3: \n\t" 361 "l 1,0(1) \n\t" 362 "br 1 \n\t" 363 ".previous \n\t" 364 ".section __ex_table,\"a\"\n\t" 365 ".align 4 \n\t" 366 ".long 0b,2b \n\t" 367 ".previous \n\t" 368 : "=d" (cc), "=d" (busy_bit) 369 : "d" (0x10000|irq), "d" (mask), 370 "i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION) 371 : "cc", "0", "1", "2", "memory" 372 ); 373 #else /* CONFIG_ARCH_S390X */ 374 asm volatile ( 375 "lghi 0,0 \n\t" 376 "llgfr 1,%2 \n\t" 377 "llgfr 2,%3 \n\t" 378 "siga 0 \n\t" 379 "0:" 380 "ipm %0 \n\t" 381 "srl %0,28 \n\t" 382 "srl 0,31 \n\t" 383 "llgfr %1,0 \n\t" 384 "1: \n\t" 385 ".section .fixup,\"ax\"\n\t" 386 "lghi %0,%4 \n\t" 387 "jg 1b \n\t" 388 ".previous\n\t" 389 ".section __ex_table,\"a\"\n\t" 390 ".align 8 \n\t" 391 ".quad 0b,1b \n\t" 392 ".previous \n\t" 393 : "=d" (cc), "=d" (busy_bit) 394 : "d" (0x10000|irq), "d" (mask), 395 "i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION) 396 : "cc", "0", "1", "2", "memory" 397 ); 398 #endif /* CONFIG_ARCH_S390X */ 399 400 (*bb) = busy_bit; 401 return cc; 402 } 403 404 extern __inline__ unsigned long 405 do_clear_global_summary(void) 406 { 407 408 unsigned long time; 409 410 #ifndef CONFIG_ARCH_S390X 411 asm volatile ( 412 "lhi 1,3 \n\t" 413 ".insn rre,0xb2650000,2,0 \n\t" 414 "lr %0,3 \n\t" 415 : "=d" (time) : : "cc", "1", "2", "3" 416 ); 417 #else /* CONFIG_ARCH_S390X */ 418 asm volatile ( 419 "lghi 1,3 \n\t" 420 ".insn rre,0xb2650000,2,0 \n\t" 421 "lgr %0,3 \n\t" 422 : "=d" (time) : : "cc", "1", "2", "3" 423 ); 424 #endif /* CONFIG_ARCH_S390X */ 425 426 return time; 427 } 428 429 /* 430 * QDIO device commands returned by extended Sense-ID 431 */ 432 #define DEFAULT_ESTABLISH_QS_CMD 0x1b 433 #define DEFAULT_ESTABLISH_QS_COUNT 0x1000 434 #define DEFAULT_ACTIVATE_QS_CMD 0x1f 435 #define DEFAULT_ACTIVATE_QS_COUNT 0 436 437 /* 438 * additional CIWs returned by extended Sense-ID 439 */ 440 #define CIW_TYPE_EQUEUE 0x3 /* establish QDIO queues */ 441 #define CIW_TYPE_AQUEUE 0x4 /* activate QDIO queues */ 442 443 #define QDIO_CHSC_RESPONSE_CODE_OK 1 444 /* flags for st qdio sch data */ 445 #define CHSC_FLAG_QDIO_CAPABILITY 0x80 446 #define CHSC_FLAG_VALIDITY 0x40 447 448 #define CHSC_FLAG_SIGA_INPUT_NECESSARY 0x40 449 #define CHSC_FLAG_SIGA_OUTPUT_NECESSARY 0x20 450 #define CHSC_FLAG_SIGA_SYNC_NECESSARY 0x10 451 #define CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS 0x08 452 #define CHSC_FLAG_SIGA_SYNC_DONE_ON_OUTB_PCIS 0x04 453 454 #ifdef QDIO_PERFORMANCE_STATS 455 struct qdio_perf_stats { 456 unsigned int tl_runs; 457 458 unsigned int siga_outs; 459 unsigned int siga_ins; 460 unsigned int siga_syncs; 461 unsigned int pcis; 462 unsigned int thinints; 463 unsigned int fast_reqs; 464 465 __u64 start_time_outbound; 466 unsigned int outbound_cnt; 467 unsigned int outbound_time; 468 __u64 start_time_inbound; 469 unsigned int inbound_cnt; 470 unsigned int inbound_time; 471 }; 472 #endif /* QDIO_PERFORMANCE_STATS */ 473 474 #define atomic_swap(a,b) xchg((int*)a.counter,b) 475 476 /* unlikely as the later the better */ 477 #define SYNC_MEMORY if (unlikely(q->siga_sync)) qdio_siga_sync_q(q) 478 #define SYNC_MEMORY_ALL if (unlikely(q->siga_sync)) \ 479 qdio_siga_sync(q,~0U,~0U) 480 #define SYNC_MEMORY_ALL_OUTB if (unlikely(q->siga_sync)) \ 481 qdio_siga_sync(q,~0U,0) 482 483 #define NOW qdio_get_micros() 484 #define SAVE_TIMESTAMP(q) q->timing.last_transfer_time=NOW 485 #define GET_SAVED_TIMESTAMP(q) (q->timing.last_transfer_time) 486 #define SAVE_FRONTIER(q,val) q->last_move_ftc=val 487 #define GET_SAVED_FRONTIER(q) (q->last_move_ftc) 488 489 #define MY_MODULE_STRING(x) #x 490 491 #ifdef CONFIG_ARCH_S390X 492 #define QDIO_GET_ADDR(x) ((__u32)(unsigned long)x) 493 #else /* CONFIG_ARCH_S390X */ 494 #define QDIO_GET_ADDR(x) ((__u32)(long)x) 495 #endif /* CONFIG_ARCH_S390X */ 496 497 #ifdef CONFIG_QDIO_DEBUG 498 #define set_slsb(x,y) \ 499 if(q->queue_type==QDIO_TRACE_QTYPE) { \ 500 if(q->is_input_q) { \ 501 QDIO_DBF_HEX2(0,slsb_in,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \ 502 } else { \ 503 QDIO_DBF_HEX2(0,slsb_out,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \ 504 } \ 505 } \ 506 qdio_set_slsb(x,y); \ 507 if(q->queue_type==QDIO_TRACE_QTYPE) { \ 508 if(q->is_input_q) { \ 509 QDIO_DBF_HEX2(0,slsb_in,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \ 510 } else { \ 511 QDIO_DBF_HEX2(0,slsb_out,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \ 512 } \ 513 } 514 #else /* CONFIG_QDIO_DEBUG */ 515 #define set_slsb(x,y) qdio_set_slsb(x,y) 516 #endif /* CONFIG_QDIO_DEBUG */ 517 518 struct qdio_q { 519 volatile struct slsb slsb; 520 521 char unused[QDIO_MAX_BUFFERS_PER_Q]; 522 523 __u32 * volatile dev_st_chg_ind; 524 525 int is_input_q; 526 int irq; 527 struct ccw_device *cdev; 528 529 unsigned int is_iqdio_q; 530 unsigned int is_thinint_q; 531 532 /* bit 0 means queue 0, bit 1 means queue 1, ... */ 533 unsigned int mask; 534 unsigned int q_no; 535 536 qdio_handler_t (*handler); 537 538 /* points to the next buffer to be checked for having 539 * been processed by the card (outbound) 540 * or to the next buffer the program should check for (inbound) */ 541 volatile int first_to_check; 542 /* and the last time it was: */ 543 volatile int last_move_ftc; 544 545 atomic_t number_of_buffers_used; 546 atomic_t polling; 547 548 unsigned int siga_in; 549 unsigned int siga_out; 550 unsigned int siga_sync; 551 unsigned int siga_sync_done_on_thinints; 552 unsigned int siga_sync_done_on_outb_tis; 553 unsigned int hydra_gives_outbound_pcis; 554 555 /* used to save beginning position when calling dd_handlers */ 556 int first_element_to_kick; 557 558 atomic_t use_count; 559 atomic_t is_in_shutdown; 560 561 void *irq_ptr; 562 563 #ifdef QDIO_USE_TIMERS_FOR_POLLING 564 struct timer_list timer; 565 atomic_t timer_already_set; 566 spinlock_t timer_lock; 567 #else /* QDIO_USE_TIMERS_FOR_POLLING */ 568 struct tasklet_struct tasklet; 569 #endif /* QDIO_USE_TIMERS_FOR_POLLING */ 570 571 enum qdio_irq_states state; 572 573 /* used to store the error condition during a data transfer */ 574 unsigned int qdio_error; 575 unsigned int siga_error; 576 unsigned int error_status_flags; 577 578 /* list of interesting queues */ 579 volatile struct qdio_q *list_next; 580 volatile struct qdio_q *list_prev; 581 582 struct sl *sl; 583 volatile struct sbal *sbal[QDIO_MAX_BUFFERS_PER_Q]; 584 585 struct qdio_buffer *qdio_buffers[QDIO_MAX_BUFFERS_PER_Q]; 586 587 unsigned long int_parm; 588 589 /*struct { 590 int in_bh_check_limit; 591 int threshold; 592 } threshold_classes[QDIO_STATS_CLASSES];*/ 593 594 struct { 595 /* inbound: the time to stop polling 596 outbound: the time to kick peer */ 597 int threshold; /* the real value */ 598 599 /* outbound: last time of do_QDIO 600 inbound: last time of noticing incoming data */ 601 /*__u64 last_transfer_times[QDIO_STATS_NUMBER]; 602 int last_transfer_index; */ 603 604 __u64 last_transfer_time; 605 __u64 busy_start; 606 } timing; 607 atomic_t busy_siga_counter; 608 unsigned int queue_type; 609 610 /* leave this member at the end. won't be cleared in qdio_fill_qs */ 611 struct slib *slib; /* a page is allocated under this pointer, 612 sl points into this page, offset PAGE_SIZE/2 613 (after slib) */ 614 } __attribute__ ((aligned(256))); 615 616 struct qdio_irq { 617 __u32 * volatile dev_st_chg_ind; 618 619 unsigned long int_parm; 620 int irq; 621 622 unsigned int is_iqdio_irq; 623 unsigned int is_thinint_irq; 624 unsigned int hydra_gives_outbound_pcis; 625 unsigned int sync_done_on_outb_pcis; 626 627 enum qdio_irq_states state; 628 629 unsigned int no_input_qs; 630 unsigned int no_output_qs; 631 632 unsigned char qdioac; 633 634 struct ccw1 ccw; 635 636 struct ciw equeue; 637 struct ciw aqueue; 638 639 struct qib qib; 640 641 void (*original_int_handler) (struct ccw_device *, 642 unsigned long, struct irb *); 643 644 /* leave these four members together at the end. won't be cleared in qdio_fill_irq */ 645 struct qdr *qdr; 646 struct qdio_q *input_qs[QDIO_MAX_QUEUES_PER_IRQ]; 647 struct qdio_q *output_qs[QDIO_MAX_QUEUES_PER_IRQ]; 648 struct semaphore setting_up_sema; 649 }; 650 #endif 651