Commit | Line | Data |
---|---|---|
779e6e1c JG |
1 | /* |
2 | * driver/s390/cio/qdio_setup.c | |
3 | * | |
4 | * qdio queue initialization | |
5 | * | |
6 | * Copyright (C) IBM Corp. 2008 | |
7 | * Author(s): Jan Glauber <jang@linux.vnet.ibm.com> | |
8 | */ | |
9 | #include <linux/kernel.h> | |
10 | #include <linux/slab.h> | |
11 | #include <asm/qdio.h> | |
12 | ||
13 | #include "cio.h" | |
14 | #include "css.h" | |
15 | #include "device.h" | |
16 | #include "ioasm.h" | |
17 | #include "chsc.h" | |
18 | #include "qdio.h" | |
19 | #include "qdio_debug.h" | |
20 | ||
21 | static struct kmem_cache *qdio_q_cache; | |
22 | ||
23 | /* | |
24 | * qebsm is only available under 64bit but the adapter sets the feature | |
25 | * flag anyway, so we manually override it. | |
26 | */ | |
27 | static inline int qebsm_possible(void) | |
28 | { | |
29 | #ifdef CONFIG_64BIT | |
30 | return css_general_characteristics.qebsm; | |
31 | #endif | |
32 | return 0; | |
33 | } | |
34 | ||
35 | /* | |
36 | * qib_param_field: pointer to 128 bytes or NULL, if no param field | |
37 | * nr_input_qs: pointer to nr_queues*128 words of data or NULL | |
38 | */ | |
39 | static void set_impl_params(struct qdio_irq *irq_ptr, | |
40 | unsigned int qib_param_field_format, | |
41 | unsigned char *qib_param_field, | |
42 | unsigned long *input_slib_elements, | |
43 | unsigned long *output_slib_elements) | |
44 | { | |
45 | struct qdio_q *q; | |
46 | int i, j; | |
47 | ||
48 | if (!irq_ptr) | |
49 | return; | |
50 | ||
779e6e1c JG |
51 | irq_ptr->qib.pfmt = qib_param_field_format; |
52 | if (qib_param_field) | |
53 | memcpy(irq_ptr->qib.parm, qib_param_field, | |
54 | QDIO_MAX_BUFFERS_PER_Q); | |
55 | ||
56 | if (!input_slib_elements) | |
57 | goto output; | |
58 | ||
59 | for_each_input_queue(irq_ptr, q, i) { | |
60 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) | |
61 | q->slib->slibe[j].parms = | |
62 | input_slib_elements[i * QDIO_MAX_BUFFERS_PER_Q + j]; | |
63 | } | |
64 | output: | |
65 | if (!output_slib_elements) | |
66 | return; | |
67 | ||
68 | for_each_output_queue(irq_ptr, q, i) { | |
69 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) | |
70 | q->slib->slibe[j].parms = | |
71 | output_slib_elements[i * QDIO_MAX_BUFFERS_PER_Q + j]; | |
72 | } | |
73 | } | |
74 | ||
75 | static int __qdio_allocate_qs(struct qdio_q **irq_ptr_qs, int nr_queues) | |
76 | { | |
77 | struct qdio_q *q; | |
78 | int i; | |
79 | ||
80 | for (i = 0; i < nr_queues; i++) { | |
81 | q = kmem_cache_alloc(qdio_q_cache, GFP_KERNEL); | |
82 | if (!q) | |
83 | return -ENOMEM; | |
779e6e1c JG |
84 | |
85 | q->slib = (struct slib *) __get_free_page(GFP_KERNEL); | |
86 | if (!q->slib) { | |
87 | kmem_cache_free(qdio_q_cache, q); | |
88 | return -ENOMEM; | |
89 | } | |
779e6e1c JG |
90 | irq_ptr_qs[i] = q; |
91 | } | |
92 | return 0; | |
93 | } | |
94 | ||
95 | int qdio_allocate_qs(struct qdio_irq *irq_ptr, int nr_input_qs, int nr_output_qs) | |
96 | { | |
97 | int rc; | |
98 | ||
99 | rc = __qdio_allocate_qs(irq_ptr->input_qs, nr_input_qs); | |
100 | if (rc) | |
101 | return rc; | |
102 | rc = __qdio_allocate_qs(irq_ptr->output_qs, nr_output_qs); | |
103 | return rc; | |
104 | } | |
105 | ||
106 | static void setup_queues_misc(struct qdio_q *q, struct qdio_irq *irq_ptr, | |
107 | qdio_handler_t *handler, int i) | |
108 | { | |
109 | /* must be cleared by every qdio_establish */ | |
110 | memset(q, 0, ((char *)&q->slib) - ((char *)q)); | |
111 | memset(q->slib, 0, PAGE_SIZE); | |
112 | ||
113 | q->irq_ptr = irq_ptr; | |
114 | q->mask = 1 << (31 - i); | |
115 | q->nr = i; | |
116 | q->handler = handler; | |
117 | } | |
118 | ||
119 | static void setup_storage_lists(struct qdio_q *q, struct qdio_irq *irq_ptr, | |
22f99347 | 120 | void **sbals_array, int i) |
779e6e1c JG |
121 | { |
122 | struct qdio_q *prev; | |
123 | int j; | |
124 | ||
22f99347 | 125 | DBF_HEX(&q, sizeof(void *)); |
779e6e1c JG |
126 | q->sl = (struct sl *)((char *)q->slib + PAGE_SIZE / 2); |
127 | ||
128 | /* fill in sbal */ | |
129 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) { | |
130 | q->sbal[j] = *sbals_array++; | |
7883097f | 131 | BUG_ON((unsigned long)q->sbal[j] & 0xff); |
779e6e1c JG |
132 | } |
133 | ||
134 | /* fill in slib */ | |
135 | if (i > 0) { | |
136 | prev = (q->is_input_q) ? irq_ptr->input_qs[i - 1] | |
137 | : irq_ptr->output_qs[i - 1]; | |
138 | prev->slib->nsliba = (unsigned long)q->slib; | |
139 | } | |
140 | ||
141 | q->slib->sla = (unsigned long)q->sl; | |
142 | q->slib->slsba = (unsigned long)&q->slsb.val[0]; | |
143 | ||
144 | /* fill in sl */ | |
145 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) | |
146 | q->sl->element[j].sbal = (unsigned long)q->sbal[j]; | |
779e6e1c JG |
147 | } |
148 | ||
149 | static void setup_queues(struct qdio_irq *irq_ptr, | |
150 | struct qdio_initialize *qdio_init) | |
151 | { | |
779e6e1c JG |
152 | struct qdio_q *q; |
153 | void **input_sbal_array = qdio_init->input_sbal_addr_array; | |
154 | void **output_sbal_array = qdio_init->output_sbal_addr_array; | |
155 | int i; | |
156 | ||
779e6e1c | 157 | for_each_input_queue(irq_ptr, q, i) { |
22f99347 | 158 | DBF_EVENT("in-q:%1d", i); |
779e6e1c JG |
159 | setup_queues_misc(q, irq_ptr, qdio_init->input_handler, i); |
160 | ||
161 | q->is_input_q = 1; | |
22f99347 | 162 | setup_storage_lists(q, irq_ptr, input_sbal_array, i); |
779e6e1c JG |
163 | input_sbal_array += QDIO_MAX_BUFFERS_PER_Q; |
164 | ||
165 | if (is_thinint_irq(irq_ptr)) | |
166 | tasklet_init(&q->tasklet, tiqdio_inbound_processing, | |
167 | (unsigned long) q); | |
168 | else | |
169 | tasklet_init(&q->tasklet, qdio_inbound_processing, | |
170 | (unsigned long) q); | |
171 | } | |
172 | ||
173 | for_each_output_queue(irq_ptr, q, i) { | |
22f99347 | 174 | DBF_EVENT("outq:%1d", i); |
779e6e1c JG |
175 | setup_queues_misc(q, irq_ptr, qdio_init->output_handler, i); |
176 | ||
177 | q->is_input_q = 0; | |
22f99347 | 178 | setup_storage_lists(q, irq_ptr, output_sbal_array, i); |
779e6e1c JG |
179 | output_sbal_array += QDIO_MAX_BUFFERS_PER_Q; |
180 | ||
181 | tasklet_init(&q->tasklet, qdio_outbound_processing, | |
182 | (unsigned long) q); | |
183 | setup_timer(&q->u.out.timer, (void(*)(unsigned long)) | |
184 | &qdio_outbound_timer, (unsigned long)q); | |
185 | } | |
186 | } | |
187 | ||
188 | static void process_ac_flags(struct qdio_irq *irq_ptr, unsigned char qdioac) | |
189 | { | |
190 | if (qdioac & AC1_SIGA_INPUT_NEEDED) | |
191 | irq_ptr->siga_flag.input = 1; | |
192 | if (qdioac & AC1_SIGA_OUTPUT_NEEDED) | |
193 | irq_ptr->siga_flag.output = 1; | |
194 | if (qdioac & AC1_SIGA_SYNC_NEEDED) | |
195 | irq_ptr->siga_flag.sync = 1; | |
196 | if (qdioac & AC1_AUTOMATIC_SYNC_ON_THININT) | |
197 | irq_ptr->siga_flag.no_sync_ti = 1; | |
198 | if (qdioac & AC1_AUTOMATIC_SYNC_ON_OUT_PCI) | |
199 | irq_ptr->siga_flag.no_sync_out_pci = 1; | |
200 | ||
201 | if (irq_ptr->siga_flag.no_sync_out_pci && | |
202 | irq_ptr->siga_flag.no_sync_ti) | |
203 | irq_ptr->siga_flag.no_sync_out_ti = 1; | |
204 | } | |
205 | ||
206 | static void check_and_setup_qebsm(struct qdio_irq *irq_ptr, | |
207 | unsigned char qdioac, unsigned long token) | |
208 | { | |
779e6e1c JG |
209 | if (!(irq_ptr->qib.rflags & QIB_RFLAGS_ENABLE_QEBSM)) |
210 | goto no_qebsm; | |
211 | if (!(qdioac & AC1_SC_QEBSM_AVAILABLE) || | |
212 | (!(qdioac & AC1_SC_QEBSM_ENABLED))) | |
213 | goto no_qebsm; | |
214 | ||
215 | irq_ptr->sch_token = token; | |
216 | ||
22f99347 JG |
217 | DBF_EVENT("V=V:1"); |
218 | DBF_EVENT("%8lx", irq_ptr->sch_token); | |
779e6e1c JG |
219 | return; |
220 | ||
221 | no_qebsm: | |
222 | irq_ptr->sch_token = 0; | |
223 | irq_ptr->qib.rflags &= ~QIB_RFLAGS_ENABLE_QEBSM; | |
22f99347 | 224 | DBF_EVENT("noV=V"); |
779e6e1c JG |
225 | } |
226 | ||
bbd50e17 JG |
227 | /* |
228 | * If there is a qdio_irq we use the chsc_page and store the information | |
229 | * in the qdio_irq, otherwise we copy it to the specified structure. | |
230 | */ | |
231 | int qdio_setup_get_ssqd(struct qdio_irq *irq_ptr, | |
232 | struct subchannel_id *schid, | |
233 | struct qdio_ssqd_desc *data) | |
779e6e1c JG |
234 | { |
235 | struct chsc_ssqd_area *ssqd; | |
236 | int rc; | |
237 | ||
22f99347 | 238 | DBF_EVENT("getssqd:%4x", schid->sch_no); |
bbd50e17 JG |
239 | if (irq_ptr != NULL) |
240 | ssqd = (struct chsc_ssqd_area *)irq_ptr->chsc_page; | |
241 | else | |
242 | ssqd = (struct chsc_ssqd_area *)__get_free_page(GFP_KERNEL); | |
779e6e1c JG |
243 | memset(ssqd, 0, PAGE_SIZE); |
244 | ||
245 | ssqd->request = (struct chsc_header) { | |
246 | .length = 0x0010, | |
247 | .code = 0x0024, | |
248 | }; | |
bbd50e17 JG |
249 | ssqd->first_sch = schid->sch_no; |
250 | ssqd->last_sch = schid->sch_no; | |
251 | ssqd->ssid = schid->ssid; | |
779e6e1c JG |
252 | |
253 | if (chsc(ssqd)) | |
254 | return -EIO; | |
255 | rc = chsc_error_from_response(ssqd->response.code); | |
256 | if (rc) | |
257 | return rc; | |
258 | ||
259 | if (!(ssqd->qdio_ssqd.flags & CHSC_FLAG_QDIO_CAPABILITY) || | |
260 | !(ssqd->qdio_ssqd.flags & CHSC_FLAG_VALIDITY) || | |
bbd50e17 | 261 | (ssqd->qdio_ssqd.sch != schid->sch_no)) |
779e6e1c JG |
262 | return -EINVAL; |
263 | ||
bbd50e17 JG |
264 | if (irq_ptr != NULL) |
265 | memcpy(&irq_ptr->ssqd_desc, &ssqd->qdio_ssqd, | |
266 | sizeof(struct qdio_ssqd_desc)); | |
267 | else { | |
268 | memcpy(data, &ssqd->qdio_ssqd, | |
269 | sizeof(struct qdio_ssqd_desc)); | |
270 | free_page((unsigned long)ssqd); | |
271 | } | |
779e6e1c JG |
272 | return 0; |
273 | } | |
274 | ||
275 | void qdio_setup_ssqd_info(struct qdio_irq *irq_ptr) | |
276 | { | |
277 | unsigned char qdioac; | |
779e6e1c JG |
278 | int rc; |
279 | ||
bbd50e17 | 280 | rc = qdio_setup_get_ssqd(irq_ptr, &irq_ptr->schid, NULL); |
779e6e1c | 281 | if (rc) { |
22f99347 JG |
282 | DBF_ERROR("%4x ssqd ERR", irq_ptr->schid.sch_no); |
283 | DBF_ERROR("rc:%x", rc); | |
779e6e1c JG |
284 | /* all flags set, worst case */ |
285 | qdioac = AC1_SIGA_INPUT_NEEDED | AC1_SIGA_OUTPUT_NEEDED | | |
286 | AC1_SIGA_SYNC_NEEDED; | |
287 | } else | |
288 | qdioac = irq_ptr->ssqd_desc.qdioac1; | |
289 | ||
290 | check_and_setup_qebsm(irq_ptr, qdioac, irq_ptr->ssqd_desc.sch_token); | |
291 | process_ac_flags(irq_ptr, qdioac); | |
22f99347 | 292 | DBF_EVENT("qdioac:%4x", qdioac); |
779e6e1c JG |
293 | } |
294 | ||
295 | void qdio_release_memory(struct qdio_irq *irq_ptr) | |
296 | { | |
297 | struct qdio_q *q; | |
298 | int i; | |
299 | ||
300 | /* | |
301 | * Must check queue array manually since irq_ptr->nr_input_queues / | |
302 | * irq_ptr->nr_input_queues may not yet be set. | |
303 | */ | |
304 | for (i = 0; i < QDIO_MAX_QUEUES_PER_IRQ; i++) { | |
305 | q = irq_ptr->input_qs[i]; | |
306 | if (q) { | |
307 | free_page((unsigned long) q->slib); | |
308 | kmem_cache_free(qdio_q_cache, q); | |
309 | } | |
310 | } | |
311 | for (i = 0; i < QDIO_MAX_QUEUES_PER_IRQ; i++) { | |
312 | q = irq_ptr->output_qs[i]; | |
313 | if (q) { | |
314 | free_page((unsigned long) q->slib); | |
315 | kmem_cache_free(qdio_q_cache, q); | |
316 | } | |
317 | } | |
3b8e3004 | 318 | free_page((unsigned long) irq_ptr->qdr); |
779e6e1c JG |
319 | free_page(irq_ptr->chsc_page); |
320 | free_page((unsigned long) irq_ptr); | |
321 | } | |
322 | ||
323 | static void __qdio_allocate_fill_qdr(struct qdio_irq *irq_ptr, | |
324 | struct qdio_q **irq_ptr_qs, | |
325 | int i, int nr) | |
326 | { | |
327 | irq_ptr->qdr->qdf0[i + nr].sliba = | |
328 | (unsigned long)irq_ptr_qs[i]->slib; | |
329 | ||
330 | irq_ptr->qdr->qdf0[i + nr].sla = | |
331 | (unsigned long)irq_ptr_qs[i]->sl; | |
332 | ||
333 | irq_ptr->qdr->qdf0[i + nr].slsba = | |
334 | (unsigned long)&irq_ptr_qs[i]->slsb.val[0]; | |
335 | ||
336 | irq_ptr->qdr->qdf0[i + nr].akey = PAGE_DEFAULT_KEY; | |
337 | irq_ptr->qdr->qdf0[i + nr].bkey = PAGE_DEFAULT_KEY; | |
338 | irq_ptr->qdr->qdf0[i + nr].ckey = PAGE_DEFAULT_KEY; | |
339 | irq_ptr->qdr->qdf0[i + nr].dkey = PAGE_DEFAULT_KEY; | |
340 | } | |
341 | ||
342 | static void setup_qdr(struct qdio_irq *irq_ptr, | |
343 | struct qdio_initialize *qdio_init) | |
344 | { | |
345 | int i; | |
346 | ||
347 | irq_ptr->qdr->qfmt = qdio_init->q_format; | |
348 | irq_ptr->qdr->iqdcnt = qdio_init->no_input_qs; | |
349 | irq_ptr->qdr->oqdcnt = qdio_init->no_output_qs; | |
350 | irq_ptr->qdr->iqdsz = sizeof(struct qdesfmt0) / 4; /* size in words */ | |
351 | irq_ptr->qdr->oqdsz = sizeof(struct qdesfmt0) / 4; | |
352 | irq_ptr->qdr->qiba = (unsigned long)&irq_ptr->qib; | |
353 | irq_ptr->qdr->qkey = PAGE_DEFAULT_KEY; | |
354 | ||
355 | for (i = 0; i < qdio_init->no_input_qs; i++) | |
356 | __qdio_allocate_fill_qdr(irq_ptr, irq_ptr->input_qs, i, 0); | |
357 | ||
358 | for (i = 0; i < qdio_init->no_output_qs; i++) | |
359 | __qdio_allocate_fill_qdr(irq_ptr, irq_ptr->output_qs, i, | |
360 | qdio_init->no_input_qs); | |
361 | } | |
362 | ||
363 | static void setup_qib(struct qdio_irq *irq_ptr, | |
364 | struct qdio_initialize *init_data) | |
365 | { | |
366 | if (qebsm_possible()) | |
367 | irq_ptr->qib.rflags |= QIB_RFLAGS_ENABLE_QEBSM; | |
368 | ||
369 | irq_ptr->qib.qfmt = init_data->q_format; | |
370 | if (init_data->no_input_qs) | |
371 | irq_ptr->qib.isliba = | |
372 | (unsigned long)(irq_ptr->input_qs[0]->slib); | |
373 | if (init_data->no_output_qs) | |
374 | irq_ptr->qib.osliba = | |
375 | (unsigned long)(irq_ptr->output_qs[0]->slib); | |
376 | memcpy(irq_ptr->qib.ebcnam, init_data->adapter_name, 8); | |
377 | } | |
378 | ||
379 | int qdio_setup_irq(struct qdio_initialize *init_data) | |
380 | { | |
381 | struct ciw *ciw; | |
382 | struct qdio_irq *irq_ptr = init_data->cdev->private->qdio_data; | |
383 | int rc; | |
384 | ||
385 | memset(irq_ptr, 0, ((char *)&irq_ptr->qdr) - ((char *)irq_ptr)); | |
386 | /* wipes qib.ac, required by ar7063 */ | |
387 | memset(irq_ptr->qdr, 0, sizeof(struct qdr)); | |
388 | ||
389 | irq_ptr->int_parm = init_data->int_parm; | |
390 | irq_ptr->nr_input_qs = init_data->no_input_qs; | |
391 | irq_ptr->nr_output_qs = init_data->no_output_qs; | |
392 | ||
393 | irq_ptr->schid = ccw_device_get_subchannel_id(init_data->cdev); | |
394 | irq_ptr->cdev = init_data->cdev; | |
395 | setup_queues(irq_ptr, init_data); | |
396 | ||
397 | setup_qib(irq_ptr, init_data); | |
398 | qdio_setup_thinint(irq_ptr); | |
399 | set_impl_params(irq_ptr, init_data->qib_param_field_format, | |
400 | init_data->qib_param_field, | |
401 | init_data->input_slib_elements, | |
402 | init_data->output_slib_elements); | |
403 | ||
404 | /* fill input and output descriptors */ | |
405 | setup_qdr(irq_ptr, init_data); | |
406 | ||
407 | /* qdr, qib, sls, slsbs, slibs, sbales are filled now */ | |
408 | ||
409 | /* get qdio commands */ | |
410 | ciw = ccw_device_get_ciw(init_data->cdev, CIW_TYPE_EQUEUE); | |
411 | if (!ciw) { | |
22f99347 | 412 | DBF_ERROR("%4x NO EQ", irq_ptr->schid.sch_no); |
779e6e1c JG |
413 | rc = -EINVAL; |
414 | goto out_err; | |
415 | } | |
416 | irq_ptr->equeue = *ciw; | |
417 | ||
418 | ciw = ccw_device_get_ciw(init_data->cdev, CIW_TYPE_AQUEUE); | |
419 | if (!ciw) { | |
22f99347 | 420 | DBF_ERROR("%4x NO AQ", irq_ptr->schid.sch_no); |
779e6e1c JG |
421 | rc = -EINVAL; |
422 | goto out_err; | |
423 | } | |
424 | irq_ptr->aqueue = *ciw; | |
425 | ||
426 | /* set new interrupt handler */ | |
427 | irq_ptr->orig_handler = init_data->cdev->handler; | |
428 | init_data->cdev->handler = qdio_int_handler; | |
429 | return 0; | |
430 | out_err: | |
431 | qdio_release_memory(irq_ptr); | |
432 | return rc; | |
433 | } | |
434 | ||
435 | void qdio_print_subchannel_info(struct qdio_irq *irq_ptr, | |
436 | struct ccw_device *cdev) | |
437 | { | |
438 | char s[80]; | |
439 | ||
22f99347 JG |
440 | snprintf(s, 80, "qdio: %s %s on SC %x using " |
441 | "AI:%d QEBSM:%d PCI:%d TDD:%d SIGA:%s%s%s%s%s%s\n", | |
442 | dev_name(&cdev->dev), | |
443 | (irq_ptr->qib.qfmt == QDIO_QETH_QFMT) ? "OSA" : | |
444 | ((irq_ptr->qib.qfmt == QDIO_ZFCP_QFMT) ? "ZFCP" : "HS"), | |
445 | irq_ptr->schid.sch_no, | |
446 | is_thinint_irq(irq_ptr), | |
447 | (irq_ptr->sch_token) ? 1 : 0, | |
448 | (irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED) ? 1 : 0, | |
449 | css_general_characteristics.aif_tdd, | |
450 | (irq_ptr->siga_flag.input) ? "R" : " ", | |
451 | (irq_ptr->siga_flag.output) ? "W" : " ", | |
452 | (irq_ptr->siga_flag.sync) ? "S" : " ", | |
453 | (!irq_ptr->siga_flag.no_sync_ti) ? "A" : " ", | |
454 | (!irq_ptr->siga_flag.no_sync_out_ti) ? "O" : " ", | |
455 | (!irq_ptr->siga_flag.no_sync_out_pci) ? "P" : " "); | |
75f62761 | 456 | printk(KERN_INFO "%s", s); |
779e6e1c JG |
457 | } |
458 | ||
459 | int __init qdio_setup_init(void) | |
460 | { | |
779e6e1c JG |
461 | qdio_q_cache = kmem_cache_create("qdio_q", sizeof(struct qdio_q), |
462 | 256, 0, NULL); | |
463 | if (!qdio_q_cache) | |
464 | return -ENOMEM; | |
465 | ||
466 | /* Check for OSA/FCP thin interrupts (bit 67). */ | |
22f99347 JG |
467 | DBF_EVENT("thinint:%1d", |
468 | (css_general_characteristics.aif_osa) ? 1 : 0); | |
779e6e1c JG |
469 | |
470 | /* Check for QEBSM support in general (bit 58). */ | |
22f99347 | 471 | DBF_EVENT("cssQEBSM:%1d", (qebsm_possible()) ? 1 : 0); |
779e6e1c JG |
472 | return 0; |
473 | } | |
474 | ||
3f1934bc | 475 | void qdio_setup_exit(void) |
779e6e1c JG |
476 | { |
477 | kmem_cache_destroy(qdio_q_cache); | |
478 | } |