1
2
3
4
5
6
7
8
9
10#include <linux/cdev.h>
11#include <linux/module.h>
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/netdevice.h>
15#include <linux/etherdevice.h>
16#include <asm/cacheflush.h>
17#include <linux/platform_device.h>
18#include <linux/of.h>
19#include <linux/of_address.h>
20#include <linux/of_platform.h>
21#include <linux/of_irq.h>
22#include <linux/spinlock.h>
23
24#include "hns_dsaf_main.h"
25#include "hns_dsaf_ppe.h"
26#include "hns_dsaf_rcb.h"
27
28#define RCB_COMMON_REG_OFFSET 0x80000
29#define TX_RING 0
30#define RX_RING 1
31
32#define RCB_RESET_WAIT_TIMES 30
33#define RCB_RESET_TRY_TIMES 10
34
35
36#define RCB_DEFAULT_BUFFER_SIZE 2048
37
38
39
40
41
42
43
44void hns_rcb_wait_fbd_clean(struct hnae_queue **qs, int q_num, u32 flag)
45{
46 int i, wait_cnt;
47 u32 fbd_num;
48
49 for (wait_cnt = i = 0; i < q_num; wait_cnt++) {
50 usleep_range(200, 300);
51 fbd_num = 0;
52 if (flag & RCB_INT_FLAG_TX)
53 fbd_num += dsaf_read_dev(qs[i],
54 RCB_RING_TX_RING_FBDNUM_REG);
55 if (flag & RCB_INT_FLAG_RX)
56 fbd_num += dsaf_read_dev(qs[i],
57 RCB_RING_RX_RING_FBDNUM_REG);
58 if (!fbd_num)
59 i++;
60 if (wait_cnt >= 10000)
61 break;
62 }
63
64 if (i < q_num)
65 dev_err(qs[i]->handle->owner_dev,
66 "queue(%d) wait fbd(%d) clean fail!!\n", i, fbd_num);
67}
68
69int hns_rcb_wait_tx_ring_clean(struct hnae_queue *qs)
70{
71 u32 head, tail;
72 int wait_cnt;
73
74 tail = dsaf_read_dev(&qs->tx_ring, RCB_REG_TAIL);
75 wait_cnt = 0;
76 while (wait_cnt++ < HNS_MAX_WAIT_CNT) {
77 head = dsaf_read_dev(&qs->tx_ring, RCB_REG_HEAD);
78 if (tail == head)
79 break;
80
81 usleep_range(100, 200);
82 }
83
84 if (wait_cnt >= HNS_MAX_WAIT_CNT) {
85 dev_err(qs->dev->dev, "rcb wait timeout, head not equal to tail.\n");
86 return -EBUSY;
87 }
88
89 return 0;
90}
91
92
93
94
95
96void hns_rcb_reset_ring_hw(struct hnae_queue *q)
97{
98 u32 wait_cnt;
99 u32 try_cnt = 0;
100 u32 could_ret;
101
102 u32 tx_fbd_num;
103
104 while (try_cnt++ < RCB_RESET_TRY_TIMES) {
105 usleep_range(100, 200);
106 tx_fbd_num = dsaf_read_dev(q, RCB_RING_TX_RING_FBDNUM_REG);
107 if (tx_fbd_num)
108 continue;
109
110 dsaf_write_dev(q, RCB_RING_PREFETCH_EN_REG, 0);
111
112 dsaf_write_dev(q, RCB_RING_T0_BE_RST, 1);
113
114 msleep(20);
115 could_ret = dsaf_read_dev(q, RCB_RING_COULD_BE_RST);
116
117 wait_cnt = 0;
118 while (!could_ret && (wait_cnt < RCB_RESET_WAIT_TIMES)) {
119 dsaf_write_dev(q, RCB_RING_T0_BE_RST, 0);
120
121 dsaf_write_dev(q, RCB_RING_T0_BE_RST, 1);
122
123 msleep(20);
124 could_ret = dsaf_read_dev(q, RCB_RING_COULD_BE_RST);
125
126 wait_cnt++;
127 }
128
129 dsaf_write_dev(q, RCB_RING_T0_BE_RST, 0);
130
131 if (could_ret)
132 break;
133 }
134
135 if (try_cnt >= RCB_RESET_TRY_TIMES)
136 dev_err(q->dev->dev, "port%d reset ring fail\n",
137 hns_ae_get_vf_cb(q->handle)->port_index);
138}
139
140
141
142
143
144
145
146void hns_rcb_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 mask)
147{
148 u32 int_mask_en = !!mask;
149
150 if (flag & RCB_INT_FLAG_TX) {
151 dsaf_write_dev(q, RCB_RING_INTMSK_TXWL_REG, int_mask_en);
152 dsaf_write_dev(q, RCB_RING_INTMSK_TX_OVERTIME_REG,
153 int_mask_en);
154 }
155
156 if (flag & RCB_INT_FLAG_RX) {
157 dsaf_write_dev(q, RCB_RING_INTMSK_RXWL_REG, int_mask_en);
158 dsaf_write_dev(q, RCB_RING_INTMSK_RX_OVERTIME_REG,
159 int_mask_en);
160 }
161}
162
163void hns_rcb_int_clr_hw(struct hnae_queue *q, u32 flag)
164{
165 if (flag & RCB_INT_FLAG_TX) {
166 dsaf_write_dev(q, RCB_RING_INTSTS_TX_RING_REG, 1);
167 dsaf_write_dev(q, RCB_RING_INTSTS_TX_OVERTIME_REG, 1);
168 }
169
170 if (flag & RCB_INT_FLAG_RX) {
171 dsaf_write_dev(q, RCB_RING_INTSTS_RX_RING_REG, 1);
172 dsaf_write_dev(q, RCB_RING_INTSTS_RX_OVERTIME_REG, 1);
173 }
174}
175
176void hns_rcbv2_int_ctrl_hw(struct hnae_queue *q, u32 flag, u32 mask)
177{
178 u32 int_mask_en = !!mask;
179
180 if (flag & RCB_INT_FLAG_TX)
181 dsaf_write_dev(q, RCB_RING_INTMSK_TXWL_REG, int_mask_en);
182
183 if (flag & RCB_INT_FLAG_RX)
184 dsaf_write_dev(q, RCB_RING_INTMSK_RXWL_REG, int_mask_en);
185}
186
187void hns_rcbv2_int_clr_hw(struct hnae_queue *q, u32 flag)
188{
189 if (flag & RCB_INT_FLAG_TX)
190 dsaf_write_dev(q, RCBV2_TX_RING_INT_STS_REG, 1);
191
192 if (flag & RCB_INT_FLAG_RX)
193 dsaf_write_dev(q, RCBV2_RX_RING_INT_STS_REG, 1);
194}
195
196
197
198
199
200void hns_rcb_ring_enable_hw(struct hnae_queue *q, u32 val)
201{
202 dsaf_write_dev(q, RCB_RING_PREFETCH_EN_REG, !!val);
203}
204
205void hns_rcb_start(struct hnae_queue *q, u32 val)
206{
207 hns_rcb_ring_enable_hw(q, val);
208}
209
210
211
212
213
214void hns_rcb_common_init_commit_hw(struct rcb_common_cb *rcb_common)
215{
216 wmb();
217 dsaf_write_dev(rcb_common, RCB_COM_CFG_SYS_FSH_REG, 1);
218 wmb();
219}
220
221
222
223
224
225void hns_rcb_set_tx_ring_bs(struct hnae_queue *q, u32 buf_size)
226{
227 u32 bd_size_type = hns_rcb_buf_size2type(buf_size);
228
229 dsaf_write_dev(q, RCB_RING_TX_RING_BD_LEN_REG,
230 bd_size_type);
231}
232
233
234
235
236
237void hns_rcb_set_rx_ring_bs(struct hnae_queue *q, u32 buf_size)
238{
239 u32 bd_size_type = hns_rcb_buf_size2type(buf_size);
240
241 dsaf_write_dev(q, RCB_RING_RX_RING_BD_LEN_REG,
242 bd_size_type);
243}
244
245
246
247
248
249
250static void hns_rcb_ring_init(struct ring_pair_cb *ring_pair, int ring_type)
251{
252 struct hnae_queue *q = &ring_pair->q;
253 struct hnae_ring *ring =
254 (ring_type == RX_RING) ? &q->rx_ring : &q->tx_ring;
255 dma_addr_t dma = ring->desc_dma_addr;
256
257 if (ring_type == RX_RING) {
258 dsaf_write_dev(q, RCB_RING_RX_RING_BASEADDR_L_REG,
259 (u32)dma);
260 dsaf_write_dev(q, RCB_RING_RX_RING_BASEADDR_H_REG,
261 (u32)((dma >> 31) >> 1));
262
263 hns_rcb_set_rx_ring_bs(q, ring->buf_size);
264
265 dsaf_write_dev(q, RCB_RING_RX_RING_BD_NUM_REG,
266 ring_pair->port_id_in_comm);
267 dsaf_write_dev(q, RCB_RING_RX_RING_PKTLINE_REG,
268 ring_pair->port_id_in_comm);
269 } else {
270 dsaf_write_dev(q, RCB_RING_TX_RING_BASEADDR_L_REG,
271 (u32)dma);
272 dsaf_write_dev(q, RCB_RING_TX_RING_BASEADDR_H_REG,
273 (u32)((dma >> 31) >> 1));
274
275 hns_rcb_set_tx_ring_bs(q, ring->buf_size);
276
277 dsaf_write_dev(q, RCB_RING_TX_RING_BD_NUM_REG,
278 ring_pair->port_id_in_comm);
279 dsaf_write_dev(q, RCB_RING_TX_RING_PKTLINE_REG,
280 ring_pair->port_id_in_comm + HNS_RCB_TX_PKTLINE_OFFSET);
281 }
282}
283
284
285
286
287
288void hns_rcb_init_hw(struct ring_pair_cb *ring)
289{
290 hns_rcb_ring_init(ring, RX_RING);
291 hns_rcb_ring_init(ring, TX_RING);
292}
293
294
295
296
297
298
299
300static void hns_rcb_set_port_desc_cnt(struct rcb_common_cb *rcb_common,
301 u32 port_idx, u32 desc_cnt)
302{
303 dsaf_write_dev(rcb_common, RCB_CFG_BD_NUM_REG + port_idx * 4,
304 desc_cnt);
305}
306
307static void hns_rcb_set_port_timeout(
308 struct rcb_common_cb *rcb_common, u32 port_idx, u32 timeout)
309{
310 if (AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver)) {
311 dsaf_write_dev(rcb_common, RCB_CFG_OVERTIME_REG,
312 timeout * HNS_RCB_CLK_FREQ_MHZ);
313 } else if (!HNS_DSAF_IS_DEBUG(rcb_common->dsaf_dev)) {
314 if (timeout > HNS_RCB_DEF_GAP_TIME_USECS)
315 dsaf_write_dev(rcb_common,
316 RCB_PORT_INT_GAPTIME_REG + port_idx * 4,
317 HNS_RCB_DEF_GAP_TIME_USECS);
318 else
319 dsaf_write_dev(rcb_common,
320 RCB_PORT_INT_GAPTIME_REG + port_idx * 4,
321 timeout);
322
323 dsaf_write_dev(rcb_common,
324 RCB_PORT_CFG_OVERTIME_REG + port_idx * 4,
325 timeout);
326 } else {
327 dsaf_write_dev(rcb_common,
328 RCB_PORT_CFG_OVERTIME_REG + port_idx * 4,
329 timeout);
330 }
331}
332
333static int hns_rcb_common_get_port_num(struct rcb_common_cb *rcb_common)
334{
335 if (!HNS_DSAF_IS_DEBUG(rcb_common->dsaf_dev))
336 return HNS_RCB_SERVICE_NW_ENGINE_NUM;
337 else
338 return HNS_RCB_DEBUG_NW_ENGINE_NUM;
339}
340
341
342static void hns_rcb_comm_exc_irq_en(
343 struct rcb_common_cb *rcb_common, int en)
344{
345 u32 clr_vlue = 0xfffffffful;
346 u32 msk_vlue = en ? 0 : 0xfffffffful;
347
348
349 dsaf_write_dev(rcb_common, RCB_COM_INTSTS_ECC_ERR_REG, clr_vlue);
350
351 dsaf_write_dev(rcb_common, RCB_COM_SF_CFG_RING_STS, clr_vlue);
352
353 dsaf_write_dev(rcb_common, RCB_COM_SF_CFG_BD_RINT_STS, clr_vlue);
354
355 dsaf_write_dev(rcb_common, RCB_COM_RINT_TX_PKT_REG, clr_vlue);
356 dsaf_write_dev(rcb_common, RCB_COM_AXI_ERR_STS, clr_vlue);
357
358
359 dsaf_write_dev(rcb_common, RCB_COM_INTMASK_ECC_ERR_REG, msk_vlue);
360
361 dsaf_write_dev(rcb_common, RCB_COM_SF_CFG_INTMASK_RING, msk_vlue);
362
363
364 dsaf_write_dev(rcb_common, RCB_COM_SF_CFG_INTMASK_BD, msk_vlue | 2);
365
366 dsaf_write_dev(rcb_common, RCB_COM_INTMSK_TX_PKT_REG, msk_vlue);
367 dsaf_write_dev(rcb_common, RCB_COM_AXI_WR_ERR_INTMASK, msk_vlue);
368}
369
370
371
372
373
374
375int hns_rcb_common_init_hw(struct rcb_common_cb *rcb_common)
376{
377 u32 reg_val;
378 int i;
379 int port_num = hns_rcb_common_get_port_num(rcb_common);
380
381 hns_rcb_comm_exc_irq_en(rcb_common, 0);
382
383 reg_val = dsaf_read_dev(rcb_common, RCB_COM_CFG_INIT_FLAG_REG);
384 if (0x1 != (reg_val & 0x1)) {
385 dev_err(rcb_common->dsaf_dev->dev,
386 "RCB_COM_CFG_INIT_FLAG_REG reg = 0x%x\n", reg_val);
387 return -EBUSY;
388 }
389
390 for (i = 0; i < port_num; i++) {
391 hns_rcb_set_port_desc_cnt(rcb_common, i, rcb_common->desc_num);
392 hns_rcb_set_rx_coalesced_frames(
393 rcb_common, i, HNS_RCB_DEF_RX_COALESCED_FRAMES);
394 if (!AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver) &&
395 !HNS_DSAF_IS_DEBUG(rcb_common->dsaf_dev))
396 hns_rcb_set_tx_coalesced_frames(
397 rcb_common, i, HNS_RCB_DEF_TX_COALESCED_FRAMES);
398 hns_rcb_set_port_timeout(
399 rcb_common, i, HNS_RCB_DEF_COALESCED_USECS);
400 }
401
402 dsaf_write_dev(rcb_common, RCB_COM_CFG_ENDIAN_REG,
403 HNS_RCB_COMMON_ENDIAN);
404
405 if (AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver)) {
406 dsaf_write_dev(rcb_common, RCB_COM_CFG_FNA_REG, 0x0);
407 dsaf_write_dev(rcb_common, RCB_COM_CFG_FA_REG, 0x1);
408 } else {
409 dsaf_set_dev_bit(rcb_common, RCBV2_COM_CFG_USER_REG,
410 RCB_COM_CFG_FNA_B, false);
411 dsaf_set_dev_bit(rcb_common, RCBV2_COM_CFG_USER_REG,
412 RCB_COM_CFG_FA_B, true);
413 dsaf_set_dev_bit(rcb_common, RCBV2_COM_CFG_TSO_MODE_REG,
414 RCB_COM_TSO_MODE_B, HNS_TSO_MODE_8BD_32K);
415 }
416
417 return 0;
418}
419
420int hns_rcb_buf_size2type(u32 buf_size)
421{
422 int bd_size_type;
423
424 switch (buf_size) {
425 case 512:
426 bd_size_type = HNS_BD_SIZE_512_TYPE;
427 break;
428 case 1024:
429 bd_size_type = HNS_BD_SIZE_1024_TYPE;
430 break;
431 case 2048:
432 bd_size_type = HNS_BD_SIZE_2048_TYPE;
433 break;
434 case 4096:
435 bd_size_type = HNS_BD_SIZE_4096_TYPE;
436 break;
437 default:
438 bd_size_type = -EINVAL;
439 }
440
441 return bd_size_type;
442}
443
444static void hns_rcb_ring_get_cfg(struct hnae_queue *q, int ring_type)
445{
446 struct hnae_ring *ring;
447 struct rcb_common_cb *rcb_common;
448 struct ring_pair_cb *ring_pair_cb;
449 u16 desc_num, mdnum_ppkt;
450 bool irq_idx, is_ver1;
451
452 ring_pair_cb = container_of(q, struct ring_pair_cb, q);
453 is_ver1 = AE_IS_VER1(ring_pair_cb->rcb_common->dsaf_dev->dsaf_ver);
454 if (ring_type == RX_RING) {
455 ring = &q->rx_ring;
456 ring->io_base = ring_pair_cb->q.io_base;
457 irq_idx = HNS_RCB_IRQ_IDX_RX;
458 mdnum_ppkt = HNS_RCB_RING_MAX_BD_PER_PKT;
459 } else {
460 ring = &q->tx_ring;
461 ring->io_base = ring_pair_cb->q.io_base +
462 HNS_RCB_TX_REG_OFFSET;
463 irq_idx = HNS_RCB_IRQ_IDX_TX;
464 mdnum_ppkt = is_ver1 ? HNS_RCB_RING_MAX_TXBD_PER_PKT :
465 HNS_RCBV2_RING_MAX_TXBD_PER_PKT;
466 }
467
468 rcb_common = ring_pair_cb->rcb_common;
469 desc_num = rcb_common->dsaf_dev->desc_num;
470
471 ring->desc = NULL;
472 ring->desc_cb = NULL;
473
474 ring->irq = ring_pair_cb->virq[irq_idx];
475 ring->desc_dma_addr = 0;
476
477 ring->buf_size = RCB_DEFAULT_BUFFER_SIZE;
478 ring->desc_num = desc_num;
479 ring->max_desc_num_per_pkt = mdnum_ppkt;
480 ring->max_raw_data_sz_per_desc = HNS_RCB_MAX_PKT_SIZE;
481 ring->max_pkt_size = HNS_RCB_MAX_PKT_SIZE;
482 ring->next_to_use = 0;
483 ring->next_to_clean = 0;
484}
485
486static void hns_rcb_ring_pair_get_cfg(struct ring_pair_cb *ring_pair_cb)
487{
488 ring_pair_cb->q.handle = NULL;
489
490 hns_rcb_ring_get_cfg(&ring_pair_cb->q, RX_RING);
491 hns_rcb_ring_get_cfg(&ring_pair_cb->q, TX_RING);
492}
493
494static int hns_rcb_get_port_in_comm(
495 struct rcb_common_cb *rcb_common, int ring_idx)
496{
497 return ring_idx / (rcb_common->max_q_per_vf * rcb_common->max_vfn);
498}
499
500#define SERVICE_RING_IRQ_IDX(v1) \
501 ((v1) ? HNS_SERVICE_RING_IRQ_IDX : HNSV2_SERVICE_RING_IRQ_IDX)
502static int hns_rcb_get_base_irq_idx(struct rcb_common_cb *rcb_common)
503{
504 bool is_ver1 = AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver);
505
506 if (!HNS_DSAF_IS_DEBUG(rcb_common->dsaf_dev))
507 return SERVICE_RING_IRQ_IDX(is_ver1);
508 else
509 return HNS_DEBUG_RING_IRQ_IDX;
510}
511
512#define RCB_COMM_BASE_TO_RING_BASE(base, ringid)\
513 ((base) + 0x10000 + HNS_RCB_REG_OFFSET * (ringid))
514
515
516
517
518int hns_rcb_get_cfg(struct rcb_common_cb *rcb_common)
519{
520 struct ring_pair_cb *ring_pair_cb;
521 u32 i;
522 u32 ring_num = rcb_common->ring_num;
523 int base_irq_idx = hns_rcb_get_base_irq_idx(rcb_common);
524 struct platform_device *pdev =
525 to_platform_device(rcb_common->dsaf_dev->dev);
526 bool is_ver1 = AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver);
527
528 for (i = 0; i < ring_num; i++) {
529 ring_pair_cb = &rcb_common->ring_pair_cb[i];
530 ring_pair_cb->rcb_common = rcb_common;
531 ring_pair_cb->dev = rcb_common->dsaf_dev->dev;
532 ring_pair_cb->index = i;
533 ring_pair_cb->q.io_base =
534 RCB_COMM_BASE_TO_RING_BASE(rcb_common->io_base, i);
535 ring_pair_cb->port_id_in_comm =
536 hns_rcb_get_port_in_comm(rcb_common, i);
537 ring_pair_cb->virq[HNS_RCB_IRQ_IDX_TX] =
538 is_ver1 ? platform_get_irq(pdev, base_irq_idx + i * 2) :
539 platform_get_irq(pdev, base_irq_idx + i * 3 + 1);
540 ring_pair_cb->virq[HNS_RCB_IRQ_IDX_RX] =
541 is_ver1 ? platform_get_irq(pdev, base_irq_idx + i * 2 + 1) :
542 platform_get_irq(pdev, base_irq_idx + i * 3);
543 if ((ring_pair_cb->virq[HNS_RCB_IRQ_IDX_TX] == -EPROBE_DEFER) ||
544 (ring_pair_cb->virq[HNS_RCB_IRQ_IDX_RX] == -EPROBE_DEFER))
545 return -EPROBE_DEFER;
546
547 ring_pair_cb->q.phy_base =
548 RCB_COMM_BASE_TO_RING_BASE(rcb_common->phy_base, i);
549 hns_rcb_ring_pair_get_cfg(ring_pair_cb);
550 }
551
552 return 0;
553}
554
555
556
557
558
559
560
561
562u32 hns_rcb_get_rx_coalesced_frames(
563 struct rcb_common_cb *rcb_common, u32 port_idx)
564{
565 return dsaf_read_dev(rcb_common, RCB_CFG_PKTLINE_REG + port_idx * 4);
566}
567
568
569
570
571
572
573
574
575u32 hns_rcb_get_tx_coalesced_frames(
576 struct rcb_common_cb *rcb_common, u32 port_idx)
577{
578 u64 reg;
579
580 reg = RCB_CFG_PKTLINE_REG + (port_idx + HNS_RCB_TX_PKTLINE_OFFSET) * 4;
581 return dsaf_read_dev(rcb_common, reg);
582}
583
584
585
586
587
588
589
590
591u32 hns_rcb_get_coalesce_usecs(
592 struct rcb_common_cb *rcb_common, u32 port_idx)
593{
594 if (AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver))
595 return dsaf_read_dev(rcb_common, RCB_CFG_OVERTIME_REG) /
596 HNS_RCB_CLK_FREQ_MHZ;
597 else
598 return dsaf_read_dev(rcb_common,
599 RCB_PORT_CFG_OVERTIME_REG + port_idx * 4);
600}
601
602
603
604
605
606
607
608
609
610
611int hns_rcb_set_coalesce_usecs(
612 struct rcb_common_cb *rcb_common, u32 port_idx, u32 timeout)
613{
614 u32 old_timeout = hns_rcb_get_coalesce_usecs(rcb_common, port_idx);
615
616 if (timeout == old_timeout)
617 return 0;
618
619 if (AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver)) {
620 if (!HNS_DSAF_IS_DEBUG(rcb_common->dsaf_dev)) {
621 dev_err(rcb_common->dsaf_dev->dev,
622 "error: not support coalesce_usecs setting!\n");
623 return -EINVAL;
624 }
625 }
626 if (timeout > HNS_RCB_MAX_COALESCED_USECS || timeout == 0) {
627 dev_err(rcb_common->dsaf_dev->dev,
628 "error: coalesce_usecs setting supports 1~1023us\n");
629 return -EINVAL;
630 }
631 hns_rcb_set_port_timeout(rcb_common, port_idx, timeout);
632 return 0;
633}
634
635
636
637
638
639
640
641
642
643
644int hns_rcb_set_tx_coalesced_frames(
645 struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames)
646{
647 u32 old_waterline =
648 hns_rcb_get_tx_coalesced_frames(rcb_common, port_idx);
649 u64 reg;
650
651 if (coalesced_frames == old_waterline)
652 return 0;
653
654 if (coalesced_frames != 1) {
655 dev_err(rcb_common->dsaf_dev->dev,
656 "error: not support tx coalesce_frames setting!\n");
657 return -EINVAL;
658 }
659
660 reg = RCB_CFG_PKTLINE_REG + (port_idx + HNS_RCB_TX_PKTLINE_OFFSET) * 4;
661 dsaf_write_dev(rcb_common, reg, coalesced_frames);
662 return 0;
663}
664
665
666
667
668
669
670
671
672
673
674int hns_rcb_set_rx_coalesced_frames(
675 struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames)
676{
677 u32 old_waterline =
678 hns_rcb_get_rx_coalesced_frames(rcb_common, port_idx);
679
680 if (coalesced_frames == old_waterline)
681 return 0;
682
683 if (coalesced_frames >= rcb_common->desc_num ||
684 coalesced_frames > HNS_RCB_MAX_COALESCED_FRAMES ||
685 coalesced_frames < HNS_RCB_MIN_COALESCED_FRAMES) {
686 dev_err(rcb_common->dsaf_dev->dev,
687 "error: not support coalesce_frames setting!\n");
688 return -EINVAL;
689 }
690
691 dsaf_write_dev(rcb_common, RCB_CFG_PKTLINE_REG + port_idx * 4,
692 coalesced_frames);
693 return 0;
694}
695
696
697
698
699
700
701
702
703void hns_rcb_get_queue_mode(enum dsaf_mode dsaf_mode, u16 *max_vfn,
704 u16 *max_q_per_vf)
705{
706 switch (dsaf_mode) {
707 case DSAF_MODE_DISABLE_6PORT_0VM:
708 *max_vfn = 1;
709 *max_q_per_vf = 16;
710 break;
711 case DSAF_MODE_DISABLE_FIX:
712 case DSAF_MODE_DISABLE_SP:
713 *max_vfn = 1;
714 *max_q_per_vf = 1;
715 break;
716 case DSAF_MODE_DISABLE_2PORT_64VM:
717 *max_vfn = 64;
718 *max_q_per_vf = 1;
719 break;
720 case DSAF_MODE_DISABLE_6PORT_16VM:
721 *max_vfn = 16;
722 *max_q_per_vf = 1;
723 break;
724 default:
725 *max_vfn = 1;
726 *max_q_per_vf = 16;
727 break;
728 }
729}
730
731static int hns_rcb_get_ring_num(struct dsaf_device *dsaf_dev)
732{
733 switch (dsaf_dev->dsaf_mode) {
734 case DSAF_MODE_ENABLE_FIX:
735 case DSAF_MODE_DISABLE_SP:
736 return 1;
737
738 case DSAF_MODE_DISABLE_FIX:
739 return 6;
740
741 case DSAF_MODE_ENABLE_0VM:
742 return 32;
743
744 case DSAF_MODE_DISABLE_6PORT_0VM:
745 case DSAF_MODE_ENABLE_16VM:
746 case DSAF_MODE_DISABLE_6PORT_2VM:
747 case DSAF_MODE_DISABLE_6PORT_16VM:
748 case DSAF_MODE_DISABLE_6PORT_4VM:
749 case DSAF_MODE_ENABLE_8VM:
750 return 96;
751
752 case DSAF_MODE_DISABLE_2PORT_16VM:
753 case DSAF_MODE_DISABLE_2PORT_8VM:
754 case DSAF_MODE_ENABLE_32VM:
755 case DSAF_MODE_DISABLE_2PORT_64VM:
756 case DSAF_MODE_ENABLE_128VM:
757 return 128;
758
759 default:
760 dev_warn(dsaf_dev->dev,
761 "get ring num fail,use default!dsaf_mode=%d\n",
762 dsaf_dev->dsaf_mode);
763 return 128;
764 }
765}
766
767static u8 __iomem *hns_rcb_common_get_vaddr(struct rcb_common_cb *rcb_common)
768{
769 struct dsaf_device *dsaf_dev = rcb_common->dsaf_dev;
770
771 return dsaf_dev->ppe_base + RCB_COMMON_REG_OFFSET;
772}
773
774static phys_addr_t hns_rcb_common_get_paddr(struct rcb_common_cb *rcb_common)
775{
776 struct dsaf_device *dsaf_dev = rcb_common->dsaf_dev;
777
778 return dsaf_dev->ppe_paddr + RCB_COMMON_REG_OFFSET;
779}
780
781int hns_rcb_common_get_cfg(struct dsaf_device *dsaf_dev,
782 int comm_index)
783{
784 struct rcb_common_cb *rcb_common;
785 enum dsaf_mode dsaf_mode = dsaf_dev->dsaf_mode;
786 u16 max_vfn;
787 u16 max_q_per_vf;
788 int ring_num = hns_rcb_get_ring_num(dsaf_dev);
789
790 rcb_common =
791 devm_kzalloc(dsaf_dev->dev,
792 struct_size(rcb_common, ring_pair_cb, ring_num),
793 GFP_KERNEL);
794 if (!rcb_common) {
795 dev_err(dsaf_dev->dev, "rcb common devm_kzalloc fail!\n");
796 return -ENOMEM;
797 }
798 rcb_common->comm_index = comm_index;
799 rcb_common->ring_num = ring_num;
800 rcb_common->dsaf_dev = dsaf_dev;
801
802 rcb_common->desc_num = dsaf_dev->desc_num;
803
804 hns_rcb_get_queue_mode(dsaf_mode, &max_vfn, &max_q_per_vf);
805 rcb_common->max_vfn = max_vfn;
806 rcb_common->max_q_per_vf = max_q_per_vf;
807
808 rcb_common->io_base = hns_rcb_common_get_vaddr(rcb_common);
809 rcb_common->phy_base = hns_rcb_common_get_paddr(rcb_common);
810
811 dsaf_dev->rcb_common[comm_index] = rcb_common;
812 return 0;
813}
814
815void hns_rcb_common_free_cfg(struct dsaf_device *dsaf_dev,
816 u32 comm_index)
817{
818 dsaf_dev->rcb_common[comm_index] = NULL;
819}
820
821void hns_rcb_update_stats(struct hnae_queue *queue)
822{
823 struct ring_pair_cb *ring =
824 container_of(queue, struct ring_pair_cb, q);
825 struct dsaf_device *dsaf_dev = ring->rcb_common->dsaf_dev;
826 struct ppe_common_cb *ppe_common
827 = dsaf_dev->ppe_common[ring->rcb_common->comm_index];
828 struct hns_ring_hw_stats *hw_stats = &ring->hw_stats;
829
830 hw_stats->rx_pkts += dsaf_read_dev(queue,
831 RCB_RING_RX_RING_PKTNUM_RECORD_REG);
832 dsaf_write_dev(queue, RCB_RING_RX_RING_PKTNUM_RECORD_REG, 0x1);
833
834 hw_stats->ppe_rx_ok_pkts += dsaf_read_dev(ppe_common,
835 PPE_COM_HIS_RX_PKT_QID_OK_CNT_REG + 4 * ring->index);
836 hw_stats->ppe_rx_drop_pkts += dsaf_read_dev(ppe_common,
837 PPE_COM_HIS_RX_PKT_QID_DROP_CNT_REG + 4 * ring->index);
838
839 hw_stats->tx_pkts += dsaf_read_dev(queue,
840 RCB_RING_TX_RING_PKTNUM_RECORD_REG);
841 dsaf_write_dev(queue, RCB_RING_TX_RING_PKTNUM_RECORD_REG, 0x1);
842
843 hw_stats->ppe_tx_ok_pkts += dsaf_read_dev(ppe_common,
844 PPE_COM_HIS_TX_PKT_QID_OK_CNT_REG + 4 * ring->index);
845 hw_stats->ppe_tx_drop_pkts += dsaf_read_dev(ppe_common,
846 PPE_COM_HIS_TX_PKT_QID_ERR_CNT_REG + 4 * ring->index);
847}
848
849
850
851
852
853
854void hns_rcb_get_stats(struct hnae_queue *queue, u64 *data)
855{
856 u64 *regs_buff = data;
857 struct ring_pair_cb *ring =
858 container_of(queue, struct ring_pair_cb, q);
859 struct hns_ring_hw_stats *hw_stats = &ring->hw_stats;
860
861 regs_buff[0] = hw_stats->tx_pkts;
862 regs_buff[1] = hw_stats->ppe_tx_ok_pkts;
863 regs_buff[2] = hw_stats->ppe_tx_drop_pkts;
864 regs_buff[3] =
865 dsaf_read_dev(queue, RCB_RING_TX_RING_FBDNUM_REG);
866
867 regs_buff[4] = queue->tx_ring.stats.tx_pkts;
868 regs_buff[5] = queue->tx_ring.stats.tx_bytes;
869 regs_buff[6] = queue->tx_ring.stats.tx_err_cnt;
870 regs_buff[7] = queue->tx_ring.stats.io_err_cnt;
871 regs_buff[8] = queue->tx_ring.stats.sw_err_cnt;
872 regs_buff[9] = queue->tx_ring.stats.seg_pkt_cnt;
873 regs_buff[10] = queue->tx_ring.stats.restart_queue;
874 regs_buff[11] = queue->tx_ring.stats.tx_busy;
875
876 regs_buff[12] = hw_stats->rx_pkts;
877 regs_buff[13] = hw_stats->ppe_rx_ok_pkts;
878 regs_buff[14] = hw_stats->ppe_rx_drop_pkts;
879 regs_buff[15] =
880 dsaf_read_dev(queue, RCB_RING_RX_RING_FBDNUM_REG);
881
882 regs_buff[16] = queue->rx_ring.stats.rx_pkts;
883 regs_buff[17] = queue->rx_ring.stats.rx_bytes;
884 regs_buff[18] = queue->rx_ring.stats.rx_err_cnt;
885 regs_buff[19] = queue->rx_ring.stats.io_err_cnt;
886 regs_buff[20] = queue->rx_ring.stats.sw_err_cnt;
887 regs_buff[21] = queue->rx_ring.stats.seg_pkt_cnt;
888 regs_buff[22] = queue->rx_ring.stats.reuse_pg_cnt;
889 regs_buff[23] = queue->rx_ring.stats.err_pkt_len;
890 regs_buff[24] = queue->rx_ring.stats.non_vld_descs;
891 regs_buff[25] = queue->rx_ring.stats.err_bd_num;
892 regs_buff[26] = queue->rx_ring.stats.l2_err;
893 regs_buff[27] = queue->rx_ring.stats.l3l4_csum_err;
894}
895
896
897
898
899
900
901int hns_rcb_get_ring_sset_count(int stringset)
902{
903 if (stringset == ETH_SS_STATS)
904 return HNS_RING_STATIC_REG_NUM;
905
906 return 0;
907}
908
909
910
911
912
913int hns_rcb_get_common_regs_count(void)
914{
915 return HNS_RCB_COMMON_DUMP_REG_NUM;
916}
917
918
919
920
921
922int hns_rcb_get_ring_regs_count(void)
923{
924 return HNS_RCB_RING_DUMP_REG_NUM;
925}
926
927
928
929
930
931
932
933void hns_rcb_get_strings(int stringset, u8 *data, int index)
934{
935 char *buff = (char *)data;
936
937 if (stringset != ETH_SS_STATS)
938 return;
939
940 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_rcb_pkt_num", index);
941 buff = buff + ETH_GSTRING_LEN;
942 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_ppe_tx_pkt_num", index);
943 buff = buff + ETH_GSTRING_LEN;
944 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_ppe_drop_pkt_num", index);
945 buff = buff + ETH_GSTRING_LEN;
946 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_fbd_num", index);
947 buff = buff + ETH_GSTRING_LEN;
948
949 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_pkt_num", index);
950 buff = buff + ETH_GSTRING_LEN;
951 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_bytes", index);
952 buff = buff + ETH_GSTRING_LEN;
953 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_err_cnt", index);
954 buff = buff + ETH_GSTRING_LEN;
955 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_io_err", index);
956 buff = buff + ETH_GSTRING_LEN;
957 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_sw_err", index);
958 buff = buff + ETH_GSTRING_LEN;
959 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_seg_pkt", index);
960 buff = buff + ETH_GSTRING_LEN;
961 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_restart_queue", index);
962 buff = buff + ETH_GSTRING_LEN;
963 snprintf(buff, ETH_GSTRING_LEN, "tx_ring%d_tx_busy", index);
964 buff = buff + ETH_GSTRING_LEN;
965
966 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_rcb_pkt_num", index);
967 buff = buff + ETH_GSTRING_LEN;
968 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_ppe_pkt_num", index);
969 buff = buff + ETH_GSTRING_LEN;
970 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_ppe_drop_pkt_num", index);
971 buff = buff + ETH_GSTRING_LEN;
972 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_fbd_num", index);
973 buff = buff + ETH_GSTRING_LEN;
974
975 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_pkt_num", index);
976 buff = buff + ETH_GSTRING_LEN;
977 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_bytes", index);
978 buff = buff + ETH_GSTRING_LEN;
979 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_err_cnt", index);
980 buff = buff + ETH_GSTRING_LEN;
981 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_io_err", index);
982 buff = buff + ETH_GSTRING_LEN;
983 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_sw_err", index);
984 buff = buff + ETH_GSTRING_LEN;
985 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_seg_pkt", index);
986 buff = buff + ETH_GSTRING_LEN;
987 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_reuse_pg", index);
988 buff = buff + ETH_GSTRING_LEN;
989 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_len_err", index);
990 buff = buff + ETH_GSTRING_LEN;
991 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_non_vld_desc_err", index);
992 buff = buff + ETH_GSTRING_LEN;
993 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_bd_num_err", index);
994 buff = buff + ETH_GSTRING_LEN;
995 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_l2_err", index);
996 buff = buff + ETH_GSTRING_LEN;
997 snprintf(buff, ETH_GSTRING_LEN, "rx_ring%d_l3l4csum_err", index);
998}
999
1000void hns_rcb_get_common_regs(struct rcb_common_cb *rcb_com, void *data)
1001{
1002 u32 *regs = data;
1003 bool is_ver1 = AE_IS_VER1(rcb_com->dsaf_dev->dsaf_ver);
1004 bool is_dbg = HNS_DSAF_IS_DEBUG(rcb_com->dsaf_dev);
1005 u32 reg_tmp;
1006 u32 reg_num_tmp;
1007 u32 i = 0;
1008
1009
1010 regs[0] = dsaf_read_dev(rcb_com, RCB_COM_CFG_ENDIAN_REG);
1011 regs[1] = dsaf_read_dev(rcb_com, RCB_COM_CFG_SYS_FSH_REG);
1012 regs[2] = dsaf_read_dev(rcb_com, RCB_COM_CFG_INIT_FLAG_REG);
1013
1014 regs[3] = dsaf_read_dev(rcb_com, RCB_COM_CFG_PKT_REG);
1015 regs[4] = dsaf_read_dev(rcb_com, RCB_COM_CFG_RINVLD_REG);
1016 regs[5] = dsaf_read_dev(rcb_com, RCB_COM_CFG_FNA_REG);
1017 regs[6] = dsaf_read_dev(rcb_com, RCB_COM_CFG_FA_REG);
1018 regs[7] = dsaf_read_dev(rcb_com, RCB_COM_CFG_PKT_TC_BP_REG);
1019 regs[8] = dsaf_read_dev(rcb_com, RCB_COM_CFG_PPE_TNL_CLKEN_REG);
1020
1021 regs[9] = dsaf_read_dev(rcb_com, RCB_COM_INTMSK_TX_PKT_REG);
1022 regs[10] = dsaf_read_dev(rcb_com, RCB_COM_RINT_TX_PKT_REG);
1023 regs[11] = dsaf_read_dev(rcb_com, RCB_COM_INTMASK_ECC_ERR_REG);
1024 regs[12] = dsaf_read_dev(rcb_com, RCB_COM_INTSTS_ECC_ERR_REG);
1025 regs[13] = dsaf_read_dev(rcb_com, RCB_COM_EBD_SRAM_ERR_REG);
1026 regs[14] = dsaf_read_dev(rcb_com, RCB_COM_RXRING_ERR_REG);
1027 regs[15] = dsaf_read_dev(rcb_com, RCB_COM_TXRING_ERR_REG);
1028 regs[16] = dsaf_read_dev(rcb_com, RCB_COM_TX_FBD_ERR_REG);
1029 regs[17] = dsaf_read_dev(rcb_com, RCB_SRAM_ECC_CHK_EN_REG);
1030 regs[18] = dsaf_read_dev(rcb_com, RCB_SRAM_ECC_CHK0_REG);
1031 regs[19] = dsaf_read_dev(rcb_com, RCB_SRAM_ECC_CHK1_REG);
1032 regs[20] = dsaf_read_dev(rcb_com, RCB_SRAM_ECC_CHK2_REG);
1033 regs[21] = dsaf_read_dev(rcb_com, RCB_SRAM_ECC_CHK3_REG);
1034 regs[22] = dsaf_read_dev(rcb_com, RCB_SRAM_ECC_CHK4_REG);
1035 regs[23] = dsaf_read_dev(rcb_com, RCB_SRAM_ECC_CHK5_REG);
1036 regs[24] = dsaf_read_dev(rcb_com, RCB_ECC_ERR_ADDR0_REG);
1037 regs[25] = dsaf_read_dev(rcb_com, RCB_ECC_ERR_ADDR3_REG);
1038 regs[26] = dsaf_read_dev(rcb_com, RCB_ECC_ERR_ADDR4_REG);
1039 regs[27] = dsaf_read_dev(rcb_com, RCB_ECC_ERR_ADDR5_REG);
1040
1041 regs[28] = dsaf_read_dev(rcb_com, RCB_COM_SF_CFG_INTMASK_RING);
1042 regs[29] = dsaf_read_dev(rcb_com, RCB_COM_SF_CFG_RING_STS);
1043 regs[30] = dsaf_read_dev(rcb_com, RCB_COM_SF_CFG_RING);
1044 regs[31] = dsaf_read_dev(rcb_com, RCB_COM_SF_CFG_INTMASK_BD);
1045 regs[32] = dsaf_read_dev(rcb_com, RCB_COM_SF_CFG_BD_RINT_STS);
1046 regs[33] = dsaf_read_dev(rcb_com, RCB_COM_RCB_RD_BD_BUSY);
1047 regs[34] = dsaf_read_dev(rcb_com, RCB_COM_RCB_FBD_CRT_EN);
1048 regs[35] = dsaf_read_dev(rcb_com, RCB_COM_AXI_WR_ERR_INTMASK);
1049 regs[36] = dsaf_read_dev(rcb_com, RCB_COM_AXI_ERR_STS);
1050 regs[37] = dsaf_read_dev(rcb_com, RCB_COM_CHK_TX_FBD_NUM_REG);
1051
1052
1053 for (i = 0; i < 16; i++) {
1054 regs[38 + i]
1055 = dsaf_read_dev(rcb_com, RCB_CFG_BD_NUM_REG + 4 * i);
1056 regs[54 + i]
1057 = dsaf_read_dev(rcb_com, RCB_CFG_PKTLINE_REG + 4 * i);
1058 }
1059
1060 reg_tmp = is_ver1 ? RCB_CFG_OVERTIME_REG : RCB_PORT_CFG_OVERTIME_REG;
1061 reg_num_tmp = (is_ver1 || is_dbg) ? 1 : 6;
1062 for (i = 0; i < reg_num_tmp; i++)
1063 regs[70 + i] = dsaf_read_dev(rcb_com, reg_tmp);
1064
1065 regs[76] = dsaf_read_dev(rcb_com, RCB_CFG_PKTLINE_INT_NUM_REG);
1066 regs[77] = dsaf_read_dev(rcb_com, RCB_CFG_OVERTIME_INT_NUM_REG);
1067
1068
1069 for (i = 78; i < 80; i++)
1070 regs[i] = 0xcccccccc;
1071}
1072
1073void hns_rcb_get_ring_regs(struct hnae_queue *queue, void *data)
1074{
1075 u32 *regs = data;
1076 struct ring_pair_cb *ring_pair
1077 = container_of(queue, struct ring_pair_cb, q);
1078 u32 i = 0;
1079
1080
1081 regs[0] = dsaf_read_dev(queue, RCB_RING_RX_RING_BASEADDR_L_REG);
1082 regs[1] = dsaf_read_dev(queue, RCB_RING_RX_RING_BASEADDR_H_REG);
1083 regs[2] = dsaf_read_dev(queue, RCB_RING_RX_RING_BD_NUM_REG);
1084 regs[3] = dsaf_read_dev(queue, RCB_RING_RX_RING_BD_LEN_REG);
1085 regs[4] = dsaf_read_dev(queue, RCB_RING_RX_RING_PKTLINE_REG);
1086 regs[5] = dsaf_read_dev(queue, RCB_RING_RX_RING_TAIL_REG);
1087 regs[6] = dsaf_read_dev(queue, RCB_RING_RX_RING_HEAD_REG);
1088 regs[7] = dsaf_read_dev(queue, RCB_RING_RX_RING_FBDNUM_REG);
1089 regs[8] = dsaf_read_dev(queue, RCB_RING_RX_RING_PKTNUM_RECORD_REG);
1090
1091 regs[9] = dsaf_read_dev(queue, RCB_RING_TX_RING_BASEADDR_L_REG);
1092 regs[10] = dsaf_read_dev(queue, RCB_RING_TX_RING_BASEADDR_H_REG);
1093 regs[11] = dsaf_read_dev(queue, RCB_RING_TX_RING_BD_NUM_REG);
1094 regs[12] = dsaf_read_dev(queue, RCB_RING_TX_RING_BD_LEN_REG);
1095 regs[13] = dsaf_read_dev(queue, RCB_RING_TX_RING_PKTLINE_REG);
1096 regs[15] = dsaf_read_dev(queue, RCB_RING_TX_RING_TAIL_REG);
1097 regs[16] = dsaf_read_dev(queue, RCB_RING_TX_RING_HEAD_REG);
1098 regs[17] = dsaf_read_dev(queue, RCB_RING_TX_RING_FBDNUM_REG);
1099 regs[18] = dsaf_read_dev(queue, RCB_RING_TX_RING_OFFSET_REG);
1100 regs[19] = dsaf_read_dev(queue, RCB_RING_TX_RING_PKTNUM_RECORD_REG);
1101
1102 regs[20] = dsaf_read_dev(queue, RCB_RING_PREFETCH_EN_REG);
1103 regs[21] = dsaf_read_dev(queue, RCB_RING_CFG_VF_NUM_REG);
1104 regs[22] = dsaf_read_dev(queue, RCB_RING_ASID_REG);
1105 regs[23] = dsaf_read_dev(queue, RCB_RING_RX_VM_REG);
1106 regs[24] = dsaf_read_dev(queue, RCB_RING_T0_BE_RST);
1107 regs[25] = dsaf_read_dev(queue, RCB_RING_COULD_BE_RST);
1108 regs[26] = dsaf_read_dev(queue, RCB_RING_WRR_WEIGHT_REG);
1109
1110 regs[27] = dsaf_read_dev(queue, RCB_RING_INTMSK_RXWL_REG);
1111 regs[28] = dsaf_read_dev(queue, RCB_RING_INTSTS_RX_RING_REG);
1112 regs[29] = dsaf_read_dev(queue, RCB_RING_INTMSK_TXWL_REG);
1113 regs[30] = dsaf_read_dev(queue, RCB_RING_INTSTS_TX_RING_REG);
1114 regs[31] = dsaf_read_dev(queue, RCB_RING_INTMSK_RX_OVERTIME_REG);
1115 regs[32] = dsaf_read_dev(queue, RCB_RING_INTSTS_RX_OVERTIME_REG);
1116 regs[33] = dsaf_read_dev(queue, RCB_RING_INTMSK_TX_OVERTIME_REG);
1117 regs[34] = dsaf_read_dev(queue, RCB_RING_INTSTS_TX_OVERTIME_REG);
1118
1119
1120 for (i = 35; i < 40; i++)
1121 regs[i] = 0xcccccc00 + ring_pair->index;
1122}
1123
