Commit | Line | Data |
---|---|---|
779e6e1c | 1 | /* |
a53c8fab | 2 | * Copyright IBM Corp. 2000, 2009 |
779e6e1c JG |
3 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com> |
4 | * Jan Glauber <jang@linux.vnet.ibm.com> | |
5 | */ | |
1da177e4 LT |
6 | #ifndef _CIO_QDIO_H |
7 | #define _CIO_QDIO_H | |
8 | ||
0b642ede | 9 | #include <asm/page.h> |
9d92a7e1 | 10 | #include <asm/schid.h> |
22f99347 | 11 | #include <asm/debug.h> |
779e6e1c | 12 | #include "chsc.h" |
a8237fc4 | 13 | |
3a601bfe | 14 | #define QDIO_BUSY_BIT_PATIENCE (100 << 12) /* 100 microseconds */ |
be8d97a5 JG |
15 | #define QDIO_BUSY_BIT_RETRY_DELAY 10 /* 10 milliseconds */ |
16 | #define QDIO_BUSY_BIT_RETRIES 1000 /* = 10s retry time */ | |
3a601bfe | 17 | #define QDIO_INPUT_THRESHOLD (500 << 12) /* 500 microseconds */ |
1da177e4 LT |
18 | |
19 | enum qdio_irq_states { | |
20 | QDIO_IRQ_STATE_INACTIVE, | |
21 | QDIO_IRQ_STATE_ESTABLISHED, | |
22 | QDIO_IRQ_STATE_ACTIVE, | |
23 | QDIO_IRQ_STATE_STOPPED, | |
24 | QDIO_IRQ_STATE_CLEANUP, | |
25 | QDIO_IRQ_STATE_ERR, | |
26 | NR_QDIO_IRQ_STATES, | |
27 | }; | |
28 | ||
779e6e1c JG |
29 | /* used as intparm in do_IO */ |
30 | #define QDIO_DOING_ESTABLISH 1 | |
31 | #define QDIO_DOING_ACTIVATE 2 | |
32 | #define QDIO_DOING_CLEANUP 3 | |
33 | ||
34 | #define SLSB_STATE_NOT_INIT 0x0 | |
35 | #define SLSB_STATE_EMPTY 0x1 | |
36 | #define SLSB_STATE_PRIMED 0x2 | |
104ea556 | 37 | #define SLSB_STATE_PENDING 0x3 |
779e6e1c JG |
38 | #define SLSB_STATE_HALTED 0xe |
39 | #define SLSB_STATE_ERROR 0xf | |
40 | #define SLSB_TYPE_INPUT 0x0 | |
41 | #define SLSB_TYPE_OUTPUT 0x20 | |
42 | #define SLSB_OWNER_PROG 0x80 | |
43 | #define SLSB_OWNER_CU 0x40 | |
44 | ||
45 | #define SLSB_P_INPUT_NOT_INIT \ | |
46 | (SLSB_OWNER_PROG | SLSB_TYPE_INPUT | SLSB_STATE_NOT_INIT) /* 0x80 */ | |
47 | #define SLSB_P_INPUT_ACK \ | |
48 | (SLSB_OWNER_PROG | SLSB_TYPE_INPUT | SLSB_STATE_EMPTY) /* 0x81 */ | |
49 | #define SLSB_CU_INPUT_EMPTY \ | |
50 | (SLSB_OWNER_CU | SLSB_TYPE_INPUT | SLSB_STATE_EMPTY) /* 0x41 */ | |
51 | #define SLSB_P_INPUT_PRIMED \ | |
52 | (SLSB_OWNER_PROG | SLSB_TYPE_INPUT | SLSB_STATE_PRIMED) /* 0x82 */ | |
53 | #define SLSB_P_INPUT_HALTED \ | |
54 | (SLSB_OWNER_PROG | SLSB_TYPE_INPUT | SLSB_STATE_HALTED) /* 0x8e */ | |
55 | #define SLSB_P_INPUT_ERROR \ | |
56 | (SLSB_OWNER_PROG | SLSB_TYPE_INPUT | SLSB_STATE_ERROR) /* 0x8f */ | |
57 | #define SLSB_P_OUTPUT_NOT_INIT \ | |
58 | (SLSB_OWNER_PROG | SLSB_TYPE_OUTPUT | SLSB_STATE_NOT_INIT) /* 0xa0 */ | |
59 | #define SLSB_P_OUTPUT_EMPTY \ | |
60 | (SLSB_OWNER_PROG | SLSB_TYPE_OUTPUT | SLSB_STATE_EMPTY) /* 0xa1 */ | |
104ea556 | 61 | #define SLSB_P_OUTPUT_PENDING \ |
62 | (SLSB_OWNER_PROG | SLSB_TYPE_OUTPUT | SLSB_STATE_PENDING) /* 0xa3 */ | |
779e6e1c JG |
63 | #define SLSB_CU_OUTPUT_PRIMED \ |
64 | (SLSB_OWNER_CU | SLSB_TYPE_OUTPUT | SLSB_STATE_PRIMED) /* 0x62 */ | |
65 | #define SLSB_P_OUTPUT_HALTED \ | |
66 | (SLSB_OWNER_PROG | SLSB_TYPE_OUTPUT | SLSB_STATE_HALTED) /* 0xae */ | |
67 | #define SLSB_P_OUTPUT_ERROR \ | |
68 | (SLSB_OWNER_PROG | SLSB_TYPE_OUTPUT | SLSB_STATE_ERROR) /* 0xaf */ | |
69 | ||
70 | #define SLSB_ERROR_DURING_LOOKUP 0xff | |
71 | ||
72 | /* additional CIWs returned by extended Sense-ID */ | |
73 | #define CIW_TYPE_EQUEUE 0x3 /* establish QDIO queues */ | |
74 | #define CIW_TYPE_AQUEUE 0x4 /* activate QDIO queues */ | |
1da177e4 | 75 | |
779e6e1c JG |
76 | /* flags for st qdio sch data */ |
77 | #define CHSC_FLAG_QDIO_CAPABILITY 0x80 | |
78 | #define CHSC_FLAG_VALIDITY 0x40 | |
79 | ||
958c0ba4 JG |
80 | /* SIGA flags */ |
81 | #define QDIO_SIGA_WRITE 0x00 | |
82 | #define QDIO_SIGA_READ 0x01 | |
83 | #define QDIO_SIGA_SYNC 0x02 | |
104ea556 | 84 | #define QDIO_SIGA_WRITEQ 0x04 |
958c0ba4 JG |
85 | #define QDIO_SIGA_QEBSM_FLAG 0x80 |
86 | ||
779e6e1c JG |
87 | #ifdef CONFIG_64BIT |
88 | static inline int do_sqbs(u64 token, unsigned char state, int queue, | |
89 | int *start, int *count) | |
90 | { | |
91 | register unsigned long _ccq asm ("0") = *count; | |
92 | register unsigned long _token asm ("1") = token; | |
93 | unsigned long _queuestart = ((unsigned long)queue << 32) | *start; | |
1da177e4 | 94 | |
779e6e1c JG |
95 | asm volatile( |
96 | " .insn rsy,0xeb000000008A,%1,0,0(%2)" | |
97 | : "+d" (_ccq), "+d" (_queuestart) | |
98 | : "d" ((unsigned long)state), "d" (_token) | |
99 | : "memory", "cc"); | |
100 | *count = _ccq & 0xff; | |
101 | *start = _queuestart & 0xff; | |
8129ee16 | 102 | |
779e6e1c | 103 | return (_ccq >> 32) & 0xff; |
8129ee16 FP |
104 | } |
105 | ||
779e6e1c | 106 | static inline int do_eqbs(u64 token, unsigned char *state, int queue, |
50f769df | 107 | int *start, int *count, int ack) |
8129ee16 | 108 | { |
8129ee16 | 109 | register unsigned long _ccq asm ("0") = *count; |
779e6e1c | 110 | register unsigned long _token asm ("1") = token; |
8129ee16 | 111 | unsigned long _queuestart = ((unsigned long)queue << 32) | *start; |
50f769df | 112 | unsigned long _state = (unsigned long)ack << 63; |
8129ee16 | 113 | |
94c12cc7 MS |
114 | asm volatile( |
115 | " .insn rrf,0xB99c0000,%1,%2,0,0" | |
116 | : "+d" (_ccq), "+d" (_queuestart), "+d" (_state) | |
779e6e1c JG |
117 | : "d" (_token) |
118 | : "memory", "cc"); | |
8129ee16 FP |
119 | *count = _ccq & 0xff; |
120 | *start = _queuestart & 0xff; | |
121 | *state = _state & 0xff; | |
122 | ||
123 | return (_ccq >> 32) & 0xff; | |
1da177e4 | 124 | } |
779e6e1c JG |
125 | #else |
126 | static inline int do_sqbs(u64 token, unsigned char state, int queue, | |
127 | int *start, int *count) { return 0; } | |
128 | static inline int do_eqbs(u64 token, unsigned char *state, int queue, | |
50f769df | 129 | int *start, int *count, int ack) { return 0; } |
779e6e1c | 130 | #endif /* CONFIG_64BIT */ |
1da177e4 | 131 | |
779e6e1c | 132 | struct qdio_irq; |
1da177e4 | 133 | |
779e6e1c JG |
134 | struct siga_flag { |
135 | u8 input:1; | |
136 | u8 output:1; | |
137 | u8 sync:1; | |
90adac58 JG |
138 | u8 sync_after_ai:1; |
139 | u8 sync_out_after_pci:1; | |
140 | u8:3; | |
779e6e1c | 141 | } __attribute__ ((packed)); |
1da177e4 | 142 | |
779e6e1c | 143 | struct chsc_ssqd_area { |
e1776856 | 144 | struct chsc_header request; |
779e6e1c JG |
145 | u16:10; |
146 | u8 ssid:2; | |
147 | u8 fmt:4; | |
e1776856 | 148 | u16 first_sch; |
779e6e1c | 149 | u16:16; |
e1776856 | 150 | u16 last_sch; |
779e6e1c | 151 | u32:32; |
e1776856 | 152 | struct chsc_header response; |
779e6e1c JG |
153 | u32:32; |
154 | struct qdio_ssqd_desc qdio_ssqd; | |
155 | } __attribute__ ((packed)); | |
e1776856 | 156 | |
779e6e1c JG |
157 | struct scssc_area { |
158 | struct chsc_header request; | |
159 | u16 operation_code; | |
160 | u16:16; | |
161 | u32:32; | |
162 | u32:32; | |
163 | u64 summary_indicator_addr; | |
164 | u64 subchannel_indicator_addr; | |
165 | u32 ks:4; | |
166 | u32 kc:4; | |
167 | u32:21; | |
168 | u32 isc:3; | |
169 | u32 word_with_d_bit; | |
170 | u32:32; | |
171 | struct subchannel_id schid; | |
172 | u32 reserved[1004]; | |
173 | struct chsc_header response; | |
174 | u32:32; | |
175 | } __attribute__ ((packed)); | |
176 | ||
6486cda6 JG |
177 | struct qdio_dev_perf_stat { |
178 | unsigned int adapter_int; | |
179 | unsigned int qdio_int; | |
180 | unsigned int pci_request_int; | |
181 | ||
182 | unsigned int tasklet_inbound; | |
183 | unsigned int tasklet_inbound_resched; | |
184 | unsigned int tasklet_inbound_resched2; | |
185 | unsigned int tasklet_outbound; | |
186 | ||
187 | unsigned int siga_read; | |
188 | unsigned int siga_write; | |
189 | unsigned int siga_sync; | |
190 | ||
191 | unsigned int inbound_call; | |
192 | unsigned int inbound_handler; | |
193 | unsigned int stop_polling; | |
194 | unsigned int inbound_queue_full; | |
195 | unsigned int outbound_call; | |
196 | unsigned int outbound_handler; | |
0195843b | 197 | unsigned int outbound_queue_full; |
6486cda6 JG |
198 | unsigned int fast_requeue; |
199 | unsigned int target_full; | |
200 | unsigned int eqbs; | |
201 | unsigned int eqbs_partial; | |
202 | unsigned int sqbs; | |
203 | unsigned int sqbs_partial; | |
d36deae7 | 204 | unsigned int int_discarded; |
432ac5e0 | 205 | } ____cacheline_aligned; |
6486cda6 | 206 | |
d307297f JG |
207 | struct qdio_queue_perf_stat { |
208 | /* | |
209 | * Sorted into order-2 buckets: 1, 2-3, 4-7, ... 64-127, 128. | |
210 | * Since max. 127 SBALs are scanned reuse entry for 128 as queue full | |
211 | * aka 127 SBALs found. | |
212 | */ | |
213 | unsigned int nr_sbals[8]; | |
214 | unsigned int nr_sbal_error; | |
215 | unsigned int nr_sbal_nop; | |
216 | unsigned int nr_sbal_total; | |
217 | }; | |
218 | ||
d36deae7 JG |
219 | enum qdio_queue_irq_states { |
220 | QDIO_QUEUE_IRQS_DISABLED, | |
221 | }; | |
222 | ||
779e6e1c JG |
223 | struct qdio_input_q { |
224 | /* input buffer acknowledgement flag */ | |
225 | int polling; | |
e85dea0e JG |
226 | /* first ACK'ed buffer */ |
227 | int ack_start; | |
50f769df JG |
228 | /* how much sbals are acknowledged with qebsm */ |
229 | int ack_count; | |
779e6e1c JG |
230 | /* last time of noticing incoming data */ |
231 | u64 timestamp; | |
d36deae7 JG |
232 | /* upper-layer polling flag */ |
233 | unsigned long queue_irq_state; | |
234 | /* callback to start upper-layer polling */ | |
235 | void (*queue_start_poll) (struct ccw_device *, int, unsigned long); | |
1da177e4 | 236 | }; |
1da177e4 | 237 | |
779e6e1c | 238 | struct qdio_output_q { |
779e6e1c JG |
239 | /* PCIs are enabled for the queue */ |
240 | int pci_out_enabled; | |
104ea556 | 241 | /* cq: use asynchronous output buffers */ |
242 | int use_cq; | |
243 | /* cq: aobs used for particual SBAL */ | |
244 | struct qaob **aobs; | |
245 | /* cq: sbal state related to asynchronous operation */ | |
246 | struct qdio_outbuf_state *sbal_state; | |
779e6e1c JG |
247 | /* timer to check for more outbound work */ |
248 | struct timer_list timer; | |
3d6c76ff JG |
249 | /* used SBALs before tasklet schedule */ |
250 | int scan_threshold; | |
779e6e1c | 251 | }; |
1da177e4 | 252 | |
d307297f JG |
253 | /* |
254 | * Note on cache alignment: grouped slsb and write mostly data at the beginning | |
255 | * sbal[] is read-only and starts on a new cacheline followed by read mostly. | |
256 | */ | |
1da177e4 | 257 | struct qdio_q { |
779e6e1c | 258 | struct slsb slsb; |
d307297f | 259 | |
779e6e1c JG |
260 | union { |
261 | struct qdio_input_q in; | |
262 | struct qdio_output_q out; | |
263 | } u; | |
1da177e4 | 264 | |
779e6e1c JG |
265 | /* |
266 | * inbound: next buffer the program should check for | |
d307297f | 267 | * outbound: next buffer to check if adapter processed it |
779e6e1c JG |
268 | */ |
269 | int first_to_check; | |
1da177e4 | 270 | |
779e6e1c | 271 | /* first_to_check of the last time */ |
e85dea0e | 272 | int last_move; |
1da177e4 | 273 | |
779e6e1c JG |
274 | /* beginning position for calling the program */ |
275 | int first_to_kick; | |
1da177e4 | 276 | |
779e6e1c JG |
277 | /* number of buffers in use by the adapter */ |
278 | atomic_t nr_buf_used; | |
1da177e4 | 279 | |
779e6e1c | 280 | /* error condition during a data transfer */ |
1da177e4 | 281 | unsigned int qdio_error; |
1da177e4 | 282 | |
a2b86019 JG |
283 | /* last scan of the queue */ |
284 | u64 timestamp; | |
285 | ||
d307297f JG |
286 | struct tasklet_struct tasklet; |
287 | struct qdio_queue_perf_stat q_stats; | |
288 | ||
289 | struct qdio_buffer *sbal[QDIO_MAX_BUFFERS_PER_Q] ____cacheline_aligned; | |
290 | ||
291 | /* queue number */ | |
292 | int nr; | |
293 | ||
294 | /* bitmask of queue number */ | |
295 | int mask; | |
296 | ||
297 | /* input or output queue */ | |
298 | int is_input_q; | |
299 | ||
300 | /* list of thinint input queues */ | |
301 | struct list_head entry; | |
302 | ||
303 | /* upper-layer program handler */ | |
304 | qdio_handler_t (*handler); | |
779e6e1c | 305 | |
d307297f JG |
306 | struct dentry *debugfs_q; |
307 | struct qdio_irq *irq_ptr; | |
308 | struct sl *sl; | |
779e6e1c | 309 | /* |
5382fe11 JG |
310 | * A page is allocated under this pointer and used for slib and sl. |
311 | * slib is 2048 bytes big and sl points to offset PAGE_SIZE / 2. | |
779e6e1c JG |
312 | */ |
313 | struct slib *slib; | |
1da177e4 LT |
314 | } __attribute__ ((aligned(256))); |
315 | ||
316 | struct qdio_irq { | |
779e6e1c JG |
317 | struct qib qib; |
318 | u32 *dsci; /* address of device state change indicator */ | |
319 | struct ccw_device *cdev; | |
3f09bb89 | 320 | struct dentry *debugfs_dev; |
6486cda6 | 321 | struct dentry *debugfs_perf; |
1da177e4 LT |
322 | |
323 | unsigned long int_parm; | |
a8237fc4 | 324 | struct subchannel_id schid; |
779e6e1c | 325 | unsigned long sch_token; /* QEBSM facility */ |
8129ee16 | 326 | |
1da177e4 LT |
327 | enum qdio_irq_states state; |
328 | ||
779e6e1c | 329 | struct siga_flag siga_flag; /* siga sync information from qdioac */ |
1da177e4 | 330 | |
779e6e1c JG |
331 | int nr_input_qs; |
332 | int nr_output_qs; | |
1da177e4 LT |
333 | |
334 | struct ccw1 ccw; | |
1da177e4 LT |
335 | struct ciw equeue; |
336 | struct ciw aqueue; | |
337 | ||
779e6e1c | 338 | struct qdio_ssqd_desc ssqd_desc; |
779e6e1c | 339 | void (*orig_handler) (struct ccw_device *, unsigned long, struct irb *); |
1da177e4 | 340 | |
6486cda6 | 341 | int perf_stat_enabled; |
432ac5e0 | 342 | |
1da177e4 | 343 | struct qdr *qdr; |
779e6e1c JG |
344 | unsigned long chsc_page; |
345 | ||
1da177e4 LT |
346 | struct qdio_q *input_qs[QDIO_MAX_QUEUES_PER_IRQ]; |
347 | struct qdio_q *output_qs[QDIO_MAX_QUEUES_PER_IRQ]; | |
779e6e1c | 348 | |
22f99347 | 349 | debug_info_t *debug_area; |
779e6e1c | 350 | struct mutex setup_mutex; |
432ac5e0 | 351 | struct qdio_dev_perf_stat perf_stat; |
1da177e4 | 352 | }; |
779e6e1c JG |
353 | |
354 | /* helper functions */ | |
355 | #define queue_type(q) q->irq_ptr->qib.qfmt | |
22f99347 | 356 | #define SCH_NO(q) (q->irq_ptr->schid.sch_no) |
779e6e1c JG |
357 | |
358 | #define is_thinint_irq(irq) \ | |
359 | (irq->qib.qfmt == QDIO_IQDIO_QFMT || \ | |
360 | css_general_characteristics.aif_osa) | |
361 | ||
d307297f JG |
362 | #define qperf(__qdev, __attr) ((__qdev)->perf_stat.(__attr)) |
363 | ||
364 | #define qperf_inc(__q, __attr) \ | |
365 | ({ \ | |
366 | struct qdio_irq *qdev = (__q)->irq_ptr; \ | |
367 | if (qdev->perf_stat_enabled) \ | |
368 | (qdev->perf_stat.__attr)++; \ | |
369 | }) | |
370 | ||
371 | static inline void account_sbals_error(struct qdio_q *q, int count) | |
372 | { | |
373 | q->q_stats.nr_sbal_error += count; | |
374 | q->q_stats.nr_sbal_total += count; | |
375 | } | |
6486cda6 | 376 | |
779e6e1c JG |
377 | /* the highest iqdio queue is used for multicast */ |
378 | static inline int multicast_outbound(struct qdio_q *q) | |
379 | { | |
380 | return (q->irq_ptr->nr_output_qs > 1) && | |
381 | (q->nr == q->irq_ptr->nr_output_qs - 1); | |
382 | } | |
383 | ||
779e6e1c JG |
384 | #define pci_out_supported(q) \ |
385 | (q->irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED) | |
386 | #define is_qebsm(q) (q->irq_ptr->sch_token != 0) | |
387 | ||
779e6e1c JG |
388 | #define need_siga_in(q) (q->irq_ptr->siga_flag.input) |
389 | #define need_siga_out(q) (q->irq_ptr->siga_flag.output) | |
90adac58 JG |
390 | #define need_siga_sync(q) (unlikely(q->irq_ptr->siga_flag.sync)) |
391 | #define need_siga_sync_after_ai(q) \ | |
392 | (unlikely(q->irq_ptr->siga_flag.sync_after_ai)) | |
393 | #define need_siga_sync_out_after_pci(q) \ | |
394 | (unlikely(q->irq_ptr->siga_flag.sync_out_after_pci)) | |
779e6e1c JG |
395 | |
396 | #define for_each_input_queue(irq_ptr, q, i) \ | |
397 | for (i = 0, q = irq_ptr->input_qs[0]; \ | |
398 | i < irq_ptr->nr_input_qs; \ | |
399 | q = irq_ptr->input_qs[++i]) | |
400 | #define for_each_output_queue(irq_ptr, q, i) \ | |
401 | for (i = 0, q = irq_ptr->output_qs[0]; \ | |
402 | i < irq_ptr->nr_output_qs; \ | |
403 | q = irq_ptr->output_qs[++i]) | |
404 | ||
405 | #define prev_buf(bufnr) \ | |
406 | ((bufnr + QDIO_MAX_BUFFERS_MASK) & QDIO_MAX_BUFFERS_MASK) | |
407 | #define next_buf(bufnr) \ | |
408 | ((bufnr + 1) & QDIO_MAX_BUFFERS_MASK) | |
409 | #define add_buf(bufnr, inc) \ | |
410 | ((bufnr + inc) & QDIO_MAX_BUFFERS_MASK) | |
50f769df JG |
411 | #define sub_buf(bufnr, dec) \ |
412 | ((bufnr - dec) & QDIO_MAX_BUFFERS_MASK) | |
779e6e1c | 413 | |
d36deae7 JG |
414 | #define queue_irqs_enabled(q) \ |
415 | (test_bit(QDIO_QUEUE_IRQS_DISABLED, &q->u.in.queue_irq_state) == 0) | |
416 | #define queue_irqs_disabled(q) \ | |
417 | (test_bit(QDIO_QUEUE_IRQS_DISABLED, &q->u.in.queue_irq_state) != 0) | |
418 | ||
a2b86019 JG |
419 | extern u64 last_ai_time; |
420 | ||
779e6e1c | 421 | /* prototypes for thin interrupt */ |
779e6e1c JG |
422 | void qdio_setup_thinint(struct qdio_irq *irq_ptr); |
423 | int qdio_establish_thinint(struct qdio_irq *irq_ptr); | |
424 | void qdio_shutdown_thinint(struct qdio_irq *irq_ptr); | |
425 | void tiqdio_add_input_queues(struct qdio_irq *irq_ptr); | |
426 | void tiqdio_remove_input_queues(struct qdio_irq *irq_ptr); | |
427 | void tiqdio_inbound_processing(unsigned long q); | |
428 | int tiqdio_allocate_memory(void); | |
429 | void tiqdio_free_memory(void); | |
430 | int tiqdio_register_thinints(void); | |
431 | void tiqdio_unregister_thinints(void); | |
5f4026f8 JG |
432 | void clear_nonshared_ind(struct qdio_irq *); |
433 | int test_nonshared_ind(struct qdio_irq *); | |
104ea556 | 434 | |
779e6e1c JG |
435 | /* prototypes for setup */ |
436 | void qdio_inbound_processing(unsigned long data); | |
437 | void qdio_outbound_processing(unsigned long data); | |
438 | void qdio_outbound_timer(unsigned long data); | |
439 | void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm, | |
440 | struct irb *irb); | |
441 | int qdio_allocate_qs(struct qdio_irq *irq_ptr, int nr_input_qs, | |
442 | int nr_output_qs); | |
443 | void qdio_setup_ssqd_info(struct qdio_irq *irq_ptr); | |
bbd50e17 JG |
444 | int qdio_setup_get_ssqd(struct qdio_irq *irq_ptr, |
445 | struct subchannel_id *schid, | |
446 | struct qdio_ssqd_desc *data); | |
779e6e1c JG |
447 | int qdio_setup_irq(struct qdio_initialize *init_data); |
448 | void qdio_print_subchannel_info(struct qdio_irq *irq_ptr, | |
449 | struct ccw_device *cdev); | |
450 | void qdio_release_memory(struct qdio_irq *irq_ptr); | |
50f769df JG |
451 | int qdio_setup_create_sysfs(struct ccw_device *cdev); |
452 | void qdio_setup_destroy_sysfs(struct ccw_device *cdev); | |
779e6e1c JG |
453 | int qdio_setup_init(void); |
454 | void qdio_setup_exit(void); | |
104ea556 | 455 | int qdio_enable_async_operation(struct qdio_output_q *q); |
456 | void qdio_disable_async_operation(struct qdio_output_q *q); | |
457 | struct qaob *qdio_allocate_aob(void); | |
779e6e1c | 458 | |
60b5df2f JG |
459 | int debug_get_buf_state(struct qdio_q *q, unsigned int bufnr, |
460 | unsigned char *state); | |
779e6e1c | 461 | #endif /* _CIO_QDIO_H */ |