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Merge tag 'drm-intel-next-fixes-2016-07-25' of git://anongit.freedesktop.org/drm...
[linux-2.6-block.git] / drivers / infiniband / hw / i40iw / i40iw_ctrl.c
CommitLineData
86dbcd0f
FL		 1/*******************************************************************************
2*
3* Copyright (c) 2015-2016 Intel Corporation. All rights reserved.
4*
5* This software is available to you under a choice of one of two
6* licenses. You may choose to be licensed under the terms of the GNU
7* General Public License (GPL) Version 2, available from the file
8* COPYING in the main directory of this source tree, or the
9* OpenFabrics.org BSD license below:
10*
11* Redistribution and use in source and binary forms, with or
12* without modification, are permitted provided that the following
13* conditions are met:
14*
15* - Redistributions of source code must retain the above
16* copyright notice, this list of conditions and the following
17* disclaimer.
18*
19* - Redistributions in binary form must reproduce the above
20* copyright notice, this list of conditions and the following
21* disclaimer in the documentation and/or other materials
22* provided with the distribution.
23*
24* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31* SOFTWARE.
32*
33*******************************************************************************/
34
35#include "i40iw_osdep.h"
36#include "i40iw_register.h"
37#include "i40iw_status.h"
38#include "i40iw_hmc.h"
39
40#include "i40iw_d.h"
41#include "i40iw_type.h"
42#include "i40iw_p.h"
43#include "i40iw_vf.h"
44#include "i40iw_virtchnl.h"
45
46/**
47 * i40iw_insert_wqe_hdr - write wqe header
48 * @wqe: cqp wqe for header
49 * @header: header for the cqp wqe
50 */
51static inline void i40iw_insert_wqe_hdr(u64 *wqe, u64 header)
52{
53 wmb(); /* make sure WQE is populated before polarity is set */
54 set_64bit_val(wqe, 24, header);
55}
56
57/**
58 * i40iw_get_cqp_reg_info - get head and tail for cqp using registers
59 * @cqp: struct for cqp hw
60 * @val: cqp tail register value
61 * @tail:wqtail register value
62 * @error: cqp processing err
63 */
64static inline void i40iw_get_cqp_reg_info(struct i40iw_sc_cqp *cqp,
65 u32 *val,
66 u32 *tail,
67 u32 *error)
68{
69 if (cqp->dev->is_pf) {
70 *val = i40iw_rd32(cqp->dev->hw, I40E_PFPE_CQPTAIL);
71 *tail = RS_32(*val, I40E_PFPE_CQPTAIL_WQTAIL);
72 *error = RS_32(*val, I40E_PFPE_CQPTAIL_CQP_OP_ERR);
73 } else {
74 *val = i40iw_rd32(cqp->dev->hw, I40E_VFPE_CQPTAIL1);
75 *tail = RS_32(*val, I40E_VFPE_CQPTAIL_WQTAIL);
76 *error = RS_32(*val, I40E_VFPE_CQPTAIL_CQP_OP_ERR);
77 }
78}
79
80/**
81 * i40iw_cqp_poll_registers - poll cqp registers
82 * @cqp: struct for cqp hw
83 * @tail:wqtail register value
84 * @count: how many times to try for completion
85 */
86static enum i40iw_status_code i40iw_cqp_poll_registers(
87 struct i40iw_sc_cqp *cqp,
88 u32 tail,
89 u32 count)
90{
91 u32 i = 0;
92 u32 newtail, error, val;
93
94 while (i < count) {
95 i++;
96 i40iw_get_cqp_reg_info(cqp, &val, &newtail, &error);
97 if (error) {
98 error = (cqp->dev->is_pf) ?
99 i40iw_rd32(cqp->dev->hw, I40E_PFPE_CQPERRCODES) :
100 i40iw_rd32(cqp->dev->hw, I40E_VFPE_CQPERRCODES1);
101 return I40IW_ERR_CQP_COMPL_ERROR;
102 }
103 if (newtail != tail) {
104 /* SUCCESS */
105 I40IW_RING_MOVE_TAIL(cqp->sq_ring);
106 return 0;
107 }
108 udelay(I40IW_SLEEP_COUNT);
109 }
110 return I40IW_ERR_TIMEOUT;
111}
112
113/**
114 * i40iw_sc_parse_fpm_commit_buf - parse fpm commit buffer
115 * @buf: ptr to fpm commit buffer
116 * @info: ptr to i40iw_hmc_obj_info struct
fa415379 117 * @sd: number of SDs for HMC objects
86dbcd0f
FL		 118 *
119 * parses fpm commit info and copy base value
120 * of hmc objects in hmc_info
121 */
122static enum i40iw_status_code i40iw_sc_parse_fpm_commit_buf(
123 u64 *buf,
fa415379
IM		 124 struct i40iw_hmc_obj_info *info,
125 u32 *sd)
86dbcd0f
FL		 126{
127 u64 temp;
fa415379
IM		 128 u64 size;
129 u64 base = 0;
86dbcd0f 130 u32 i, j;
fa415379 131 u32 k = 0;
86dbcd0f
FL		 132 u32 low;
133
134 /* copy base values in obj_info */
135 for (i = I40IW_HMC_IW_QP, j = 0;
136 i <= I40IW_HMC_IW_PBLE; i++, j += 8) {
137 get_64bit_val(buf, j, &temp);
138 info[i].base = RS_64_1(temp, 32) * 512;
fa415379
IM		 139 if (info[i].base > base) {
140 base = info[i].base;
141 k = i;
142 }
86dbcd0f
FL		 143 low = (u32)(temp);
144 if (low)
145 info[i].cnt = low;
146 }
fa415379
IM		 147 size = info[k].cnt * info[k].size + info[k].base;
148 if (size & 0x1FFFFF)
149 *sd = (u32)((size >> 21) + 1); /* add 1 for remainder */
150 else
151 *sd = (u32)(size >> 21);
152
86dbcd0f
FL		 153 return 0;
154}
155
156/**
157 * i40iw_sc_parse_fpm_query_buf() - parses fpm query buffer
158 * @buf: ptr to fpm query buffer
159 * @info: ptr to i40iw_hmc_obj_info struct
160 * @hmc_fpm_misc: ptr to fpm data
161 *
162 * parses fpm query buffer and copy max_cnt and
163 * size value of hmc objects in hmc_info
164 */
165static enum i40iw_status_code i40iw_sc_parse_fpm_query_buf(
166 u64 *buf,
167 struct i40iw_hmc_info *hmc_info,
168 struct i40iw_hmc_fpm_misc *hmc_fpm_misc)
169{
170 u64 temp;
171 struct i40iw_hmc_obj_info *obj_info;
172 u32 i, j, size;
173 u16 max_pe_sds;
174
175 obj_info = hmc_info->hmc_obj;
176
177 get_64bit_val(buf, 0, &temp);
178 hmc_info->first_sd_index = (u16)RS_64(temp, I40IW_QUERY_FPM_FIRST_PE_SD_INDEX);
179 max_pe_sds = (u16)RS_64(temp, I40IW_QUERY_FPM_MAX_PE_SDS);
180
181 /* Reduce SD count for VFs by 1 to account for PBLE backing page rounding */
182 if (hmc_info->hmc_fn_id >= I40IW_FIRST_VF_FPM_ID)
183 max_pe_sds--;
184 hmc_fpm_misc->max_sds = max_pe_sds;
185 hmc_info->sd_table.sd_cnt = max_pe_sds + hmc_info->first_sd_index;
186
187 for (i = I40IW_HMC_IW_QP, j = 8;
188 i <= I40IW_HMC_IW_ARP; i++, j += 8) {
189 get_64bit_val(buf, j, &temp);
190 if (i == I40IW_HMC_IW_QP)
191 obj_info[i].max_cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_QPS);
192 else if (i == I40IW_HMC_IW_CQ)
193 obj_info[i].max_cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_CQS);
194 else
195 obj_info[i].max_cnt = (u32)temp;
196
197 size = (u32)RS_64_1(temp, 32);
198 obj_info[i].size = ((u64)1 << size);
199 }
200 for (i = I40IW_HMC_IW_MR, j = 48;
201 i <= I40IW_HMC_IW_PBLE; i++, j += 8) {
202 get_64bit_val(buf, j, &temp);
203 obj_info[i].max_cnt = (u32)temp;
204 size = (u32)RS_64_1(temp, 32);
205 obj_info[i].size = LS_64_1(1, size);
206 }
207
208 get_64bit_val(buf, 120, &temp);
209 hmc_fpm_misc->max_ceqs = (u8)RS_64(temp, I40IW_QUERY_FPM_MAX_CEQS);
210 get_64bit_val(buf, 120, &temp);
211 hmc_fpm_misc->ht_multiplier = RS_64(temp, I40IW_QUERY_FPM_HTMULTIPLIER);
212 get_64bit_val(buf, 120, &temp);
213 hmc_fpm_misc->timer_bucket = RS_64(temp, I40IW_QUERY_FPM_TIMERBUCKET);
214 get_64bit_val(buf, 64, &temp);
215 hmc_fpm_misc->xf_block_size = RS_64(temp, I40IW_QUERY_FPM_XFBLOCKSIZE);
216 if (!hmc_fpm_misc->xf_block_size)
217 return I40IW_ERR_INVALID_SIZE;
218 get_64bit_val(buf, 80, &temp);
219 hmc_fpm_misc->q1_block_size = RS_64(temp, I40IW_QUERY_FPM_Q1BLOCKSIZE);
220 if (!hmc_fpm_misc->q1_block_size)
221 return I40IW_ERR_INVALID_SIZE;
222 return 0;
223}
224
225/**
226 * i40iw_sc_pd_init - initialize sc pd struct
227 * @dev: sc device struct
228 * @pd: sc pd ptr
229 * @pd_id: pd_id for allocated pd
230 */
231static void i40iw_sc_pd_init(struct i40iw_sc_dev *dev,
232 struct i40iw_sc_pd *pd,
233 u16 pd_id)
234{
235 pd->size = sizeof(*pd);
236 pd->pd_id = pd_id;
237 pd->dev = dev;
238}
239
240/**
241 * i40iw_get_encoded_wqe_size - given wq size, returns hardware encoded size
242 * @wqsize: size of the wq (sq, rq, srq) to encoded_size
243 * @cqpsq: encoded size for sq for cqp as its encoded size is 1+ other wq's
244 */
245u8 i40iw_get_encoded_wqe_size(u32 wqsize, bool cqpsq)
246{
247 u8 encoded_size = 0;
248
249 /* cqp sq's hw coded value starts from 1 for size of 4
250 * while it starts from 0 for qp' wq's.
251 */
252 if (cqpsq)
253 encoded_size = 1;
254 wqsize >>= 2;
255 while (wqsize >>= 1)
256 encoded_size++;
257 return encoded_size;
258}
259
260/**
261 * i40iw_sc_cqp_init - Initialize buffers for a control Queue Pair
262 * @cqp: IWARP control queue pair pointer
263 * @info: IWARP control queue pair init info pointer
264 *
265 * Initializes the object and context buffers for a control Queue Pair.
266 */
267static enum i40iw_status_code i40iw_sc_cqp_init(struct i40iw_sc_cqp *cqp,
268 struct i40iw_cqp_init_info *info)
269{
270 u8 hw_sq_size;
271
272 if ((info->sq_size > I40IW_CQP_SW_SQSIZE_2048) ||
273 (info->sq_size < I40IW_CQP_SW_SQSIZE_4) ||
274 ((info->sq_size & (info->sq_size - 1))))
275 return I40IW_ERR_INVALID_SIZE;
276
277 hw_sq_size = i40iw_get_encoded_wqe_size(info->sq_size, true);
278 cqp->size = sizeof(*cqp);
279 cqp->sq_size = info->sq_size;
280 cqp->hw_sq_size = hw_sq_size;
281 cqp->sq_base = info->sq;
282 cqp->host_ctx = info->host_ctx;
283 cqp->sq_pa = info->sq_pa;
284 cqp->host_ctx_pa = info->host_ctx_pa;
285 cqp->dev = info->dev;
286 cqp->struct_ver = info->struct_ver;
287 cqp->scratch_array = info->scratch_array;
288 cqp->polarity = 0;
289 cqp->en_datacenter_tcp = info->en_datacenter_tcp;
290 cqp->enabled_vf_count = info->enabled_vf_count;
291 cqp->hmc_profile = info->hmc_profile;
292 info->dev->cqp = cqp;
293
294 I40IW_RING_INIT(cqp->sq_ring, cqp->sq_size);
295 i40iw_debug(cqp->dev, I40IW_DEBUG_WQE,
296 "%s: sq_size[%04d] hw_sq_size[%04d] sq_base[%p] sq_pa[%llxh] cqp[%p] polarity[x%04X]\n",
297 __func__, cqp->sq_size, cqp->hw_sq_size,
298 cqp->sq_base, cqp->sq_pa, cqp, cqp->polarity);
299 return 0;
300}
301
302/**
303 * i40iw_sc_cqp_create - create cqp during bringup
304 * @cqp: struct for cqp hw
305 * @disable_pfpdus: if pfpdu to be disabled
306 * @maj_err: If error, major err number
307 * @min_err: If error, minor err number
308 */
309static enum i40iw_status_code i40iw_sc_cqp_create(struct i40iw_sc_cqp *cqp,
310 bool disable_pfpdus,
311 u16 *maj_err,
312 u16 *min_err)
313{
314 u64 temp;
315 u32 cnt = 0, p1, p2, val = 0, err_code;
316 enum i40iw_status_code ret_code;
317
318 ret_code = i40iw_allocate_dma_mem(cqp->dev->hw,
319 &cqp->sdbuf,
320 128,
321 I40IW_SD_BUF_ALIGNMENT);
322
323 if (ret_code)
324 goto exit;
325
326 temp = LS_64(cqp->hw_sq_size, I40IW_CQPHC_SQSIZE) |
327 LS_64(cqp->struct_ver, I40IW_CQPHC_SVER);
328
329 if (disable_pfpdus)
330 temp |= LS_64(1, I40IW_CQPHC_DISABLE_PFPDUS);
331
332 set_64bit_val(cqp->host_ctx, 0, temp);
333 set_64bit_val(cqp->host_ctx, 8, cqp->sq_pa);
334 temp = LS_64(cqp->enabled_vf_count, I40IW_CQPHC_ENABLED_VFS) |
335 LS_64(cqp->hmc_profile, I40IW_CQPHC_HMC_PROFILE);
336 set_64bit_val(cqp->host_ctx, 16, temp);
337 set_64bit_val(cqp->host_ctx, 24, (uintptr_t)cqp);
338 set_64bit_val(cqp->host_ctx, 32, 0);
339 set_64bit_val(cqp->host_ctx, 40, 0);
340 set_64bit_val(cqp->host_ctx, 48, 0);
341 set_64bit_val(cqp->host_ctx, 56, 0);
342
343 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CQP_HOST_CTX",
344 cqp->host_ctx, I40IW_CQP_CTX_SIZE * 8);
345
346 p1 = RS_32_1(cqp->host_ctx_pa, 32);
347 p2 = (u32)cqp->host_ctx_pa;
348
349 if (cqp->dev->is_pf) {
350 i40iw_wr32(cqp->dev->hw, I40E_PFPE_CCQPHIGH, p1);
351 i40iw_wr32(cqp->dev->hw, I40E_PFPE_CCQPLOW, p2);
352 } else {
353 i40iw_wr32(cqp->dev->hw, I40E_VFPE_CCQPHIGH1, p1);
354 i40iw_wr32(cqp->dev->hw, I40E_VFPE_CCQPLOW1, p2);
355 }
356 do {
357 if (cnt++ > I40IW_DONE_COUNT) {
358 i40iw_free_dma_mem(cqp->dev->hw, &cqp->sdbuf);
359 ret_code = I40IW_ERR_TIMEOUT;
360 /*
361 * read PFPE_CQPERRORCODES register to get the minor
362 * and major error code
363 */
364 if (cqp->dev->is_pf)
365 err_code = i40iw_rd32(cqp->dev->hw, I40E_PFPE_CQPERRCODES);
366 else
367 err_code = i40iw_rd32(cqp->dev->hw, I40E_VFPE_CQPERRCODES1);
368 *min_err = RS_32(err_code, I40E_PFPE_CQPERRCODES_CQP_MINOR_CODE);
369 *maj_err = RS_32(err_code, I40E_PFPE_CQPERRCODES_CQP_MAJOR_CODE);
370 goto exit;
371 }
372 udelay(I40IW_SLEEP_COUNT);
373 if (cqp->dev->is_pf)
374 val = i40iw_rd32(cqp->dev->hw, I40E_PFPE_CCQPSTATUS);
375 else
376 val = i40iw_rd32(cqp->dev->hw, I40E_VFPE_CCQPSTATUS1);
377 } while (!val);
378
379exit:
380 if (!ret_code)
381 cqp->process_cqp_sds = i40iw_update_sds_noccq;
382 return ret_code;
383}
384
385/**
386 * i40iw_sc_cqp_post_sq - post of cqp's sq
387 * @cqp: struct for cqp hw
388 */
389void i40iw_sc_cqp_post_sq(struct i40iw_sc_cqp *cqp)
390{
391 if (cqp->dev->is_pf)
392 i40iw_wr32(cqp->dev->hw, I40E_PFPE_CQPDB, I40IW_RING_GETCURRENT_HEAD(cqp->sq_ring));
393 else
394 i40iw_wr32(cqp->dev->hw, I40E_VFPE_CQPDB1, I40IW_RING_GETCURRENT_HEAD(cqp->sq_ring));
395
396 i40iw_debug(cqp->dev,
397 I40IW_DEBUG_WQE,
398 "%s: HEAD_TAIL[%04d,%04d,%04d]\n",
399 __func__,
400 cqp->sq_ring.head,
401 cqp->sq_ring.tail,
402 cqp->sq_ring.size);
403}
404
405/**
406 * i40iw_sc_cqp_get_next_send_wqe - get next wqe on cqp sq
407 * @cqp: struct for cqp hw
408 * @wqe_idx: we index of cqp ring
409 */
410u64 *i40iw_sc_cqp_get_next_send_wqe(struct i40iw_sc_cqp *cqp, u64 scratch)
411{
412 u64 *wqe = NULL;
413 u32 wqe_idx;
414 enum i40iw_status_code ret_code;
415
416 if (I40IW_RING_FULL_ERR(cqp->sq_ring)) {
417 i40iw_debug(cqp->dev,
418 I40IW_DEBUG_WQE,
419 "%s: ring is full head %x tail %x size %x\n",
420 __func__,
421 cqp->sq_ring.head,
422 cqp->sq_ring.tail,
423 cqp->sq_ring.size);
424 return NULL;
425 }
426 I40IW_ATOMIC_RING_MOVE_HEAD(cqp->sq_ring, wqe_idx, ret_code);
427 if (ret_code)
428 return NULL;
429 if (!wqe_idx)
430 cqp->polarity = !cqp->polarity;
431
432 wqe = cqp->sq_base[wqe_idx].elem;
433 cqp->scratch_array[wqe_idx] = scratch;
434 I40IW_CQP_INIT_WQE(wqe);
435
436 return wqe;
437}
438
439/**
440 * i40iw_sc_cqp_destroy - destroy cqp during close
441 * @cqp: struct for cqp hw
442 */
443static enum i40iw_status_code i40iw_sc_cqp_destroy(struct i40iw_sc_cqp *cqp)
444{
445 u32 cnt = 0, val = 1;
446 enum i40iw_status_code ret_code = 0;
447 u32 cqpstat_addr;
448
449 if (cqp->dev->is_pf) {
450 i40iw_wr32(cqp->dev->hw, I40E_PFPE_CCQPHIGH, 0);
451 i40iw_wr32(cqp->dev->hw, I40E_PFPE_CCQPLOW, 0);
452 cqpstat_addr = I40E_PFPE_CCQPSTATUS;
453 } else {
454 i40iw_wr32(cqp->dev->hw, I40E_VFPE_CCQPHIGH1, 0);
455 i40iw_wr32(cqp->dev->hw, I40E_VFPE_CCQPLOW1, 0);
456 cqpstat_addr = I40E_VFPE_CCQPSTATUS1;
457 }
458 do {
459 if (cnt++ > I40IW_DONE_COUNT) {
460 ret_code = I40IW_ERR_TIMEOUT;
461 break;
462 }
463 udelay(I40IW_SLEEP_COUNT);
464 val = i40iw_rd32(cqp->dev->hw, cqpstat_addr);
465 } while (val);
466
467 i40iw_free_dma_mem(cqp->dev->hw, &cqp->sdbuf);
468 return ret_code;
469}
470
471/**
472 * i40iw_sc_ccq_arm - enable intr for control cq
473 * @ccq: ccq sc struct
474 */
475static void i40iw_sc_ccq_arm(struct i40iw_sc_cq *ccq)
476{
477 u64 temp_val;
478 u16 sw_cq_sel;
479 u8 arm_next_se;
480 u8 arm_seq_num;
481
482 /* write to cq doorbell shadow area */
483 /* arm next se should always be zero */
484 get_64bit_val(ccq->cq_uk.shadow_area, 32, &temp_val);
485
486 sw_cq_sel = (u16)RS_64(temp_val, I40IW_CQ_DBSA_SW_CQ_SELECT);
487 arm_next_se = (u8)RS_64(temp_val, I40IW_CQ_DBSA_ARM_NEXT_SE);
488
489 arm_seq_num = (u8)RS_64(temp_val, I40IW_CQ_DBSA_ARM_SEQ_NUM);
490 arm_seq_num++;
491
492 temp_val = LS_64(arm_seq_num, I40IW_CQ_DBSA_ARM_SEQ_NUM) |
493 LS_64(sw_cq_sel, I40IW_CQ_DBSA_SW_CQ_SELECT) |
494 LS_64(arm_next_se, I40IW_CQ_DBSA_ARM_NEXT_SE) |
495 LS_64(1, I40IW_CQ_DBSA_ARM_NEXT);
496
497 set_64bit_val(ccq->cq_uk.shadow_area, 32, temp_val);
498
499 wmb(); /* make sure shadow area is updated before arming */
500
501 if (ccq->dev->is_pf)
502 i40iw_wr32(ccq->dev->hw, I40E_PFPE_CQARM, ccq->cq_uk.cq_id);
503 else
504 i40iw_wr32(ccq->dev->hw, I40E_VFPE_CQARM1, ccq->cq_uk.cq_id);
505}
506
507/**
508 * i40iw_sc_ccq_get_cqe_info - get ccq's cq entry
509 * @ccq: ccq sc struct
510 * @info: completion q entry to return
511 */
512static enum i40iw_status_code i40iw_sc_ccq_get_cqe_info(
513 struct i40iw_sc_cq *ccq,
514 struct i40iw_ccq_cqe_info *info)
515{
516 u64 qp_ctx, temp, temp1;
517 u64 *cqe;
518 struct i40iw_sc_cqp *cqp;
519 u32 wqe_idx;
520 u8 polarity;
521 enum i40iw_status_code ret_code = 0;
522
523 if (ccq->cq_uk.avoid_mem_cflct)
524 cqe = (u64 *)I40IW_GET_CURRENT_EXTENDED_CQ_ELEMENT(&ccq->cq_uk);
525 else
526 cqe = (u64 *)I40IW_GET_CURRENT_CQ_ELEMENT(&ccq->cq_uk);
527
528 get_64bit_val(cqe, 24, &temp);
529 polarity = (u8)RS_64(temp, I40IW_CQ_VALID);
530 if (polarity != ccq->cq_uk.polarity)
531 return I40IW_ERR_QUEUE_EMPTY;
532
533 get_64bit_val(cqe, 8, &qp_ctx);
534 cqp = (struct i40iw_sc_cqp *)(unsigned long)qp_ctx;
535 info->error = (bool)RS_64(temp, I40IW_CQ_ERROR);
536 info->min_err_code = (u16)RS_64(temp, I40IW_CQ_MINERR);
537 if (info->error) {
538 info->maj_err_code = (u16)RS_64(temp, I40IW_CQ_MAJERR);
539 info->min_err_code = (u16)RS_64(temp, I40IW_CQ_MINERR);
540 }
541 wqe_idx = (u32)RS_64(temp, I40IW_CQ_WQEIDX);
542 info->scratch = cqp->scratch_array[wqe_idx];
543
544 get_64bit_val(cqe, 16, &temp1);
545 info->op_ret_val = (u32)RS_64(temp1, I40IW_CCQ_OPRETVAL);
546 get_64bit_val(cqp->sq_base[wqe_idx].elem, 24, &temp1);
547 info->op_code = (u8)RS_64(temp1, I40IW_CQPSQ_OPCODE);
548 info->cqp = cqp;
549
550 /* move the head for cq */
551 I40IW_RING_MOVE_HEAD(ccq->cq_uk.cq_ring, ret_code);
552 if (I40IW_RING_GETCURRENT_HEAD(ccq->cq_uk.cq_ring) == 0)
553 ccq->cq_uk.polarity ^= 1;
554
555 /* update cq tail in cq shadow memory also */
556 I40IW_RING_MOVE_TAIL(ccq->cq_uk.cq_ring);
557 set_64bit_val(ccq->cq_uk.shadow_area,
558 0,
559 I40IW_RING_GETCURRENT_HEAD(ccq->cq_uk.cq_ring));
560 wmb(); /* write shadow area before tail */
561 I40IW_RING_MOVE_TAIL(cqp->sq_ring);
562 return ret_code;
563}
564
565/**
566 * i40iw_sc_poll_for_cqp_op_done - Waits for last write to complete in CQP SQ
567 * @cqp: struct for cqp hw
568 * @op_code: cqp opcode for completion
569 * @info: completion q entry to return
570 */
571static enum i40iw_status_code i40iw_sc_poll_for_cqp_op_done(
572 struct i40iw_sc_cqp *cqp,
573 u8 op_code,
574 struct i40iw_ccq_cqe_info *compl_info)
575{
576 struct i40iw_ccq_cqe_info info;
577 struct i40iw_sc_cq *ccq;
578 enum i40iw_status_code ret_code = 0;
579 u32 cnt = 0;
580
581 memset(&info, 0, sizeof(info));
582 ccq = cqp->dev->ccq;
583 while (1) {
584 if (cnt++ > I40IW_DONE_COUNT)
585 return I40IW_ERR_TIMEOUT;
586
587 if (i40iw_sc_ccq_get_cqe_info(ccq, &info)) {
588 udelay(I40IW_SLEEP_COUNT);
589 continue;
590 }
591
592 if (info.error) {
593 ret_code = I40IW_ERR_CQP_COMPL_ERROR;
594 break;
595 }
596 /* check if opcode is cq create */
597 if (op_code != info.op_code) {
598 i40iw_debug(cqp->dev, I40IW_DEBUG_WQE,
599 "%s: opcode mismatch for my op code 0x%x, returned opcode %x\n",
600 __func__, op_code, info.op_code);
601 }
602 /* success, exit out of the loop */
603 if (op_code == info.op_code)
604 break;
605 }
606
607 if (compl_info)
608 memcpy(compl_info, &info, sizeof(*compl_info));
609
610 return ret_code;
611}
612
613/**
614 * i40iw_sc_manage_push_page - Handle push page
615 * @cqp: struct for cqp hw
616 * @info: push page info
617 * @scratch: u64 saved to be used during cqp completion
618 * @post_sq: flag for cqp db to ring
619 */
620static enum i40iw_status_code i40iw_sc_manage_push_page(
621 struct i40iw_sc_cqp *cqp,
622 struct i40iw_cqp_manage_push_page_info *info,
623 u64 scratch,
624 bool post_sq)
625{
626 u64 *wqe;
627 u64 header;
628
629 if (info->push_idx >= I40IW_MAX_PUSH_PAGE_COUNT)
630 return I40IW_ERR_INVALID_PUSH_PAGE_INDEX;
631
632 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
633 if (!wqe)
634 return I40IW_ERR_RING_FULL;
635
636 set_64bit_val(wqe, 16, info->qs_handle);
637
638 header = LS_64(info->push_idx, I40IW_CQPSQ_MPP_PPIDX) |
639 LS_64(I40IW_CQP_OP_MANAGE_PUSH_PAGES, I40IW_CQPSQ_OPCODE) |
640 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID) |
641 LS_64(info->free_page, I40IW_CQPSQ_MPP_FREE_PAGE);
642
643 i40iw_insert_wqe_hdr(wqe, header);
644
645 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE_PUSH_PAGES WQE",
646 wqe, I40IW_CQP_WQE_SIZE * 8);
647
648 if (post_sq)
649 i40iw_sc_cqp_post_sq(cqp);
650 return 0;
651}
652
653/**
654 * i40iw_sc_manage_hmc_pm_func_table - manage of function table
655 * @cqp: struct for cqp hw
656 * @scratch: u64 saved to be used during cqp completion
657 * @vf_index: vf index for cqp
658 * @free_pm_fcn: function number
659 * @post_sq: flag for cqp db to ring
660 */
661static enum i40iw_status_code i40iw_sc_manage_hmc_pm_func_table(
662 struct i40iw_sc_cqp *cqp,
663 u64 scratch,
664 u8 vf_index,
665 bool free_pm_fcn,
666 bool post_sq)
667{
668 u64 *wqe;
669 u64 header;
670
671 if (vf_index >= I40IW_MAX_VF_PER_PF)
672 return I40IW_ERR_INVALID_VF_ID;
673 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
674 if (!wqe)
675 return I40IW_ERR_RING_FULL;
676
677 header = LS_64(vf_index, I40IW_CQPSQ_MHMC_VFIDX) |
678 LS_64(I40IW_CQP_OP_MANAGE_HMC_PM_FUNC_TABLE, I40IW_CQPSQ_OPCODE) |
679 LS_64(free_pm_fcn, I40IW_CQPSQ_MHMC_FREEPMFN) |
680 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
681
682 i40iw_insert_wqe_hdr(wqe, header);
683 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE_HMC_PM_FUNC_TABLE WQE",
684 wqe, I40IW_CQP_WQE_SIZE * 8);
685 if (post_sq)
686 i40iw_sc_cqp_post_sq(cqp);
687 return 0;
688}
689
690/**
691 * i40iw_sc_set_hmc_resource_profile - cqp wqe for hmc profile
692 * @cqp: struct for cqp hw
693 * @scratch: u64 saved to be used during cqp completion
694 * @hmc_profile_type: type of profile to set
695 * @vf_num: vf number for profile
696 * @post_sq: flag for cqp db to ring
697 * @poll_registers: flag to poll register for cqp completion
698 */
699static enum i40iw_status_code i40iw_sc_set_hmc_resource_profile(
700 struct i40iw_sc_cqp *cqp,
701 u64 scratch,
702 u8 hmc_profile_type,
703 u8 vf_num, bool post_sq,
704 bool poll_registers)
705{
706 u64 *wqe;
707 u64 header;
708 u32 val, tail, error;
709 enum i40iw_status_code ret_code = 0;
710
711 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
712 if (!wqe)
713 return I40IW_ERR_RING_FULL;
714
715 set_64bit_val(wqe, 16,
716 (LS_64(hmc_profile_type, I40IW_CQPSQ_SHMCRP_HMC_PROFILE) |
717 LS_64(vf_num, I40IW_CQPSQ_SHMCRP_VFNUM)));
718
719 header = LS_64(I40IW_CQP_OP_SET_HMC_RESOURCE_PROFILE, I40IW_CQPSQ_OPCODE) |
720 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
721
722 i40iw_insert_wqe_hdr(wqe, header);
723
724 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE_HMC_PM_FUNC_TABLE WQE",
725 wqe, I40IW_CQP_WQE_SIZE * 8);
726
727 i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
728 if (error)
729 return I40IW_ERR_CQP_COMPL_ERROR;
730
731 if (post_sq) {
732 i40iw_sc_cqp_post_sq(cqp);
733 if (poll_registers)
734 ret_code = i40iw_cqp_poll_registers(cqp, tail, 1000000);
735 else
736 ret_code = i40iw_sc_poll_for_cqp_op_done(cqp,
737 I40IW_CQP_OP_SHMC_PAGES_ALLOCATED,
738 NULL);
739 }
740
741 return ret_code;
742}
743
744/**
745 * i40iw_sc_manage_hmc_pm_func_table_done - wait for cqp wqe completion for function table
746 * @cqp: struct for cqp hw
747 */
748static enum i40iw_status_code i40iw_sc_manage_hmc_pm_func_table_done(struct i40iw_sc_cqp *cqp)
749{
750 return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_MANAGE_HMC_PM_FUNC_TABLE, NULL);
751}
752
753/**
754 * i40iw_sc_commit_fpm_values_done - wait for cqp eqe completion for fpm commit
755 * @cqp: struct for cqp hw
756 */
757static enum i40iw_status_code i40iw_sc_commit_fpm_values_done(struct i40iw_sc_cqp *cqp)
758{
759 return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_COMMIT_FPM_VALUES, NULL);
760}
761
762/**
763 * i40iw_sc_commit_fpm_values - cqp wqe for commit fpm values
764 * @cqp: struct for cqp hw
765 * @scratch: u64 saved to be used during cqp completion
766 * @hmc_fn_id: hmc function id
767 * @commit_fpm_mem; Memory for fpm values
768 * @post_sq: flag for cqp db to ring
769 * @wait_type: poll ccq or cqp registers for cqp completion
770 */
771static enum i40iw_status_code i40iw_sc_commit_fpm_values(
772 struct i40iw_sc_cqp *cqp,
773 u64 scratch,
774 u8 hmc_fn_id,
775 struct i40iw_dma_mem *commit_fpm_mem,
776 bool post_sq,
777 u8 wait_type)
778{
779 u64 *wqe;
780 u64 header;
781 u32 tail, val, error;
782 enum i40iw_status_code ret_code = 0;
783
784 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
785 if (!wqe)
786 return I40IW_ERR_RING_FULL;
787
788 set_64bit_val(wqe, 16, hmc_fn_id);
789 set_64bit_val(wqe, 32, commit_fpm_mem->pa);
790
791 header = LS_64(I40IW_CQP_OP_COMMIT_FPM_VALUES, I40IW_CQPSQ_OPCODE) |
792 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
793
794 i40iw_insert_wqe_hdr(wqe, header);
795
796 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "COMMIT_FPM_VALUES WQE",
797 wqe, I40IW_CQP_WQE_SIZE * 8);
798
799 i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
800 if (error)
801 return I40IW_ERR_CQP_COMPL_ERROR;
802
803 if (post_sq) {
804 i40iw_sc_cqp_post_sq(cqp);
805
806 if (wait_type == I40IW_CQP_WAIT_POLL_REGS)
807 ret_code = i40iw_cqp_poll_registers(cqp, tail, I40IW_DONE_COUNT);
808 else if (wait_type == I40IW_CQP_WAIT_POLL_CQ)
809 ret_code = i40iw_sc_commit_fpm_values_done(cqp);
810 }
811
812 return ret_code;
813}
814
815/**
816 * i40iw_sc_query_fpm_values_done - poll for cqp wqe completion for query fpm
817 * @cqp: struct for cqp hw
818 */
819static enum i40iw_status_code i40iw_sc_query_fpm_values_done(struct i40iw_sc_cqp *cqp)
820{
821 return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_QUERY_FPM_VALUES, NULL);
822}
823
824/**
825 * i40iw_sc_query_fpm_values - cqp wqe query fpm values
826 * @cqp: struct for cqp hw
827 * @scratch: u64 saved to be used during cqp completion
828 * @hmc_fn_id: hmc function id
829 * @query_fpm_mem: memory for return fpm values
830 * @post_sq: flag for cqp db to ring
831 * @wait_type: poll ccq or cqp registers for cqp completion
832 */
833static enum i40iw_status_code i40iw_sc_query_fpm_values(
834 struct i40iw_sc_cqp *cqp,
835 u64 scratch,
836 u8 hmc_fn_id,
837 struct i40iw_dma_mem *query_fpm_mem,
838 bool post_sq,
839 u8 wait_type)
840{
841 u64 *wqe;
842 u64 header;
843 u32 tail, val, error;
844 enum i40iw_status_code ret_code = 0;
845
846 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
847 if (!wqe)
848 return I40IW_ERR_RING_FULL;
849
850 set_64bit_val(wqe, 16, hmc_fn_id);
851 set_64bit_val(wqe, 32, query_fpm_mem->pa);
852
853 header = LS_64(I40IW_CQP_OP_QUERY_FPM_VALUES, I40IW_CQPSQ_OPCODE) |
854 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
855
856 i40iw_insert_wqe_hdr(wqe, header);
857
858 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QUERY_FPM WQE",
859 wqe, I40IW_CQP_WQE_SIZE * 8);
860
861 /* read the tail from CQP_TAIL register */
862 i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
863
864 if (error)
865 return I40IW_ERR_CQP_COMPL_ERROR;
866
867 if (post_sq) {
868 i40iw_sc_cqp_post_sq(cqp);
869 if (wait_type == I40IW_CQP_WAIT_POLL_REGS)
870 ret_code = i40iw_cqp_poll_registers(cqp, tail, I40IW_DONE_COUNT);
871 else if (wait_type == I40IW_CQP_WAIT_POLL_CQ)
872 ret_code = i40iw_sc_query_fpm_values_done(cqp);
873 }
874
875 return ret_code;
876}
877
878/**
879 * i40iw_sc_add_arp_cache_entry - cqp wqe add arp cache entry
880 * @cqp: struct for cqp hw
881 * @info: arp entry information
882 * @scratch: u64 saved to be used during cqp completion
883 * @post_sq: flag for cqp db to ring
884 */
885static enum i40iw_status_code i40iw_sc_add_arp_cache_entry(
886 struct i40iw_sc_cqp *cqp,
887 struct i40iw_add_arp_cache_entry_info *info,
888 u64 scratch,
889 bool post_sq)
890{
891 u64 *wqe;
892 u64 temp, header;
893
894 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
895 if (!wqe)
896 return I40IW_ERR_RING_FULL;
897 set_64bit_val(wqe, 8, info->reach_max);
898
899 temp = info->mac_addr[5] |
900 LS_64_1(info->mac_addr[4], 8) |
901 LS_64_1(info->mac_addr[3], 16) |
902 LS_64_1(info->mac_addr[2], 24) |
903 LS_64_1(info->mac_addr[1], 32) |
904 LS_64_1(info->mac_addr[0], 40);
905
906 set_64bit_val(wqe, 16, temp);
907
908 header = info->arp_index |
909 LS_64(I40IW_CQP_OP_MANAGE_ARP, I40IW_CQPSQ_OPCODE) |
910 LS_64((info->permanent ? 1 : 0), I40IW_CQPSQ_MAT_PERMANENT) |
911 LS_64(1, I40IW_CQPSQ_MAT_ENTRYVALID) |
912 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
913
914 i40iw_insert_wqe_hdr(wqe, header);
915
916 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "ARP_CACHE_ENTRY WQE",
917 wqe, I40IW_CQP_WQE_SIZE * 8);
918
919 if (post_sq)
920 i40iw_sc_cqp_post_sq(cqp);
921 return 0;
922}
923
924/**
925 * i40iw_sc_del_arp_cache_entry - dele arp cache entry
926 * @cqp: struct for cqp hw
927 * @scratch: u64 saved to be used during cqp completion
928 * @arp_index: arp index to delete arp entry
929 * @post_sq: flag for cqp db to ring
930 */
931static enum i40iw_status_code i40iw_sc_del_arp_cache_entry(
932 struct i40iw_sc_cqp *cqp,
933 u64 scratch,
934 u16 arp_index,
935 bool post_sq)
936{
937 u64 *wqe;
938 u64 header;
939
940 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
941 if (!wqe)
942 return I40IW_ERR_RING_FULL;
943
944 header = arp_index |
945 LS_64(I40IW_CQP_OP_MANAGE_ARP, I40IW_CQPSQ_OPCODE) |
946 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
947 i40iw_insert_wqe_hdr(wqe, header);
948
949 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "ARP_CACHE_DEL_ENTRY WQE",
950 wqe, I40IW_CQP_WQE_SIZE * 8);
951
952 if (post_sq)
953 i40iw_sc_cqp_post_sq(cqp);
954 return 0;
955}
956
957/**
958 * i40iw_sc_query_arp_cache_entry - cqp wqe to query arp and arp index
959 * @cqp: struct for cqp hw
960 * @scratch: u64 saved to be used during cqp completion
961 * @arp_index: arp index to delete arp entry
962 * @post_sq: flag for cqp db to ring
963 */
964static enum i40iw_status_code i40iw_sc_query_arp_cache_entry(
965 struct i40iw_sc_cqp *cqp,
966 u64 scratch,
967 u16 arp_index,
968 bool post_sq)
969{
970 u64 *wqe;
971 u64 header;
972
973 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
974 if (!wqe)
975 return I40IW_ERR_RING_FULL;
976
977 header = arp_index |
978 LS_64(I40IW_CQP_OP_MANAGE_ARP, I40IW_CQPSQ_OPCODE) |
979 LS_64(1, I40IW_CQPSQ_MAT_QUERY) |
980 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
981
982 i40iw_insert_wqe_hdr(wqe, header);
983
984 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QUERY_ARP_CACHE_ENTRY WQE",
985 wqe, I40IW_CQP_WQE_SIZE * 8);
986
987 if (post_sq)
988 i40iw_sc_cqp_post_sq(cqp);
989 return 0;
990}
991
992/**
993 * i40iw_sc_manage_apbvt_entry - for adding and deleting apbvt entries
994 * @cqp: struct for cqp hw
995 * @info: info for apbvt entry to add or delete
996 * @scratch: u64 saved to be used during cqp completion
997 * @post_sq: flag for cqp db to ring
998 */
999static enum i40iw_status_code i40iw_sc_manage_apbvt_entry(
1000 struct i40iw_sc_cqp *cqp,
1001 struct i40iw_apbvt_info *info,
1002 u64 scratch,
1003 bool post_sq)
1004{
1005 u64 *wqe;
1006 u64 header;
1007
1008 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1009 if (!wqe)
1010 return I40IW_ERR_RING_FULL;
1011
1012 set_64bit_val(wqe, 16, info->port);
1013
1014 header = LS_64(I40IW_CQP_OP_MANAGE_APBVT, I40IW_CQPSQ_OPCODE) |
1015 LS_64(info->add, I40IW_CQPSQ_MAPT_ADDPORT) |
1016 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1017
1018 i40iw_insert_wqe_hdr(wqe, header);
1019
1020 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE_APBVT WQE",
1021 wqe, I40IW_CQP_WQE_SIZE * 8);
1022
1023 if (post_sq)
1024 i40iw_sc_cqp_post_sq(cqp);
1025 return 0;
1026}
1027
1028/**
1029 * i40iw_sc_manage_qhash_table_entry - manage quad hash entries
1030 * @cqp: struct for cqp hw
1031 * @info: info for quad hash to manage
1032 * @scratch: u64 saved to be used during cqp completion
1033 * @post_sq: flag for cqp db to ring
1034 *
1035 * This is called before connection establishment is started. For passive connections, when
1036 * listener is created, it will call with entry type of I40IW_QHASH_TYPE_TCP_SYN with local
1037 * ip address and tcp port. When SYN is received (passive connections) or
1038 * sent (active connections), this routine is called with entry type of
1039 * I40IW_QHASH_TYPE_TCP_ESTABLISHED and quad is passed in info.
1040 *
1041 * When iwarp connection is done and its state moves to RTS, the quad hash entry in
1042 * the hardware will point to iwarp's qp number and requires no calls from the driver.
1043 */
1044static enum i40iw_status_code i40iw_sc_manage_qhash_table_entry(
1045 struct i40iw_sc_cqp *cqp,
1046 struct i40iw_qhash_table_info *info,
1047 u64 scratch,
1048 bool post_sq)
1049{
1050 u64 *wqe;
1051 u64 qw1 = 0;
1052 u64 qw2 = 0;
1053 u64 temp;
1054
1055 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1056 if (!wqe)
1057 return I40IW_ERR_RING_FULL;
1058
1059 temp = info->mac_addr[5] |
1060 LS_64_1(info->mac_addr[4], 8) |
1061 LS_64_1(info->mac_addr[3], 16) |
1062 LS_64_1(info->mac_addr[2], 24) |
1063 LS_64_1(info->mac_addr[1], 32) |
1064 LS_64_1(info->mac_addr[0], 40);
1065
1066 set_64bit_val(wqe, 0, temp);
1067
1068 qw1 = LS_64(info->qp_num, I40IW_CQPSQ_QHASH_QPN) |
1069 LS_64(info->dest_port, I40IW_CQPSQ_QHASH_DEST_PORT);
1070 if (info->ipv4_valid) {
1071 set_64bit_val(wqe,
1072 48,
1073 LS_64(info->dest_ip[0], I40IW_CQPSQ_QHASH_ADDR3));
1074 } else {
1075 set_64bit_val(wqe,
1076 56,
1077 LS_64(info->dest_ip[0], I40IW_CQPSQ_QHASH_ADDR0) |
1078 LS_64(info->dest_ip[1], I40IW_CQPSQ_QHASH_ADDR1));
1079
1080 set_64bit_val(wqe,
1081 48,
1082 LS_64(info->dest_ip[2], I40IW_CQPSQ_QHASH_ADDR2) |
1083 LS_64(info->dest_ip[3], I40IW_CQPSQ_QHASH_ADDR3));
1084 }
1085 qw2 = LS_64(cqp->dev->qs_handle, I40IW_CQPSQ_QHASH_QS_HANDLE);
1086 if (info->vlan_valid)
1087 qw2 |= LS_64(info->vlan_id, I40IW_CQPSQ_QHASH_VLANID);
1088 set_64bit_val(wqe, 16, qw2);
1089 if (info->entry_type == I40IW_QHASH_TYPE_TCP_ESTABLISHED) {
1090 qw1 |= LS_64(info->src_port, I40IW_CQPSQ_QHASH_SRC_PORT);
1091 if (!info->ipv4_valid) {
1092 set_64bit_val(wqe,
1093 40,
1094 LS_64(info->src_ip[0], I40IW_CQPSQ_QHASH_ADDR0) |
1095 LS_64(info->src_ip[1], I40IW_CQPSQ_QHASH_ADDR1));
1096 set_64bit_val(wqe,
1097 32,
1098 LS_64(info->src_ip[2], I40IW_CQPSQ_QHASH_ADDR2) |
1099 LS_64(info->src_ip[3], I40IW_CQPSQ_QHASH_ADDR3));
1100 } else {
1101 set_64bit_val(wqe,
1102 32,
1103 LS_64(info->src_ip[0], I40IW_CQPSQ_QHASH_ADDR3));
1104 }
1105 }
1106
1107 set_64bit_val(wqe, 8, qw1);
1108 temp = LS_64(cqp->polarity, I40IW_CQPSQ_QHASH_WQEVALID) |
1109 LS_64(I40IW_CQP_OP_MANAGE_QUAD_HASH_TABLE_ENTRY, I40IW_CQPSQ_QHASH_OPCODE) |
1110 LS_64(info->manage, I40IW_CQPSQ_QHASH_MANAGE) |
1111 LS_64(info->ipv4_valid, I40IW_CQPSQ_QHASH_IPV4VALID) |
1112 LS_64(info->vlan_valid, I40IW_CQPSQ_QHASH_VLANVALID) |
1113 LS_64(info->entry_type, I40IW_CQPSQ_QHASH_ENTRYTYPE);
1114
1115 i40iw_insert_wqe_hdr(wqe, temp);
1116
1117 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE_QHASH WQE",
1118 wqe, I40IW_CQP_WQE_SIZE * 8);
1119
1120 if (post_sq)
1121 i40iw_sc_cqp_post_sq(cqp);
1122 return 0;
1123}
1124
1125/**
1126 * i40iw_sc_alloc_local_mac_ipaddr_entry - cqp wqe for loc mac entry
1127 * @cqp: struct for cqp hw
1128 * @scratch: u64 saved to be used during cqp completion
1129 * @post_sq: flag for cqp db to ring
1130 */
1131static enum i40iw_status_code i40iw_sc_alloc_local_mac_ipaddr_entry(
1132 struct i40iw_sc_cqp *cqp,
1133 u64 scratch,
1134 bool post_sq)
1135{
1136 u64 *wqe;
1137 u64 header;
1138
1139 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1140 if (!wqe)
1141 return I40IW_ERR_RING_FULL;
1142 header = LS_64(I40IW_CQP_OP_ALLOCATE_LOC_MAC_IP_TABLE_ENTRY, I40IW_CQPSQ_OPCODE) |
1143 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1144
1145 i40iw_insert_wqe_hdr(wqe, header);
1146 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "ALLOCATE_LOCAL_MAC_IPADDR WQE",
1147 wqe, I40IW_CQP_WQE_SIZE * 8);
1148 if (post_sq)
1149 i40iw_sc_cqp_post_sq(cqp);
1150 return 0;
1151}
1152
1153/**
1154 * i40iw_sc_add_local_mac_ipaddr_entry - add mac enry
1155 * @cqp: struct for cqp hw
1156 * @info:mac addr info
1157 * @scratch: u64 saved to be used during cqp completion
1158 * @post_sq: flag for cqp db to ring
1159 */
1160static enum i40iw_status_code i40iw_sc_add_local_mac_ipaddr_entry(
1161 struct i40iw_sc_cqp *cqp,
1162 struct i40iw_local_mac_ipaddr_entry_info *info,
1163 u64 scratch,
1164 bool post_sq)
1165{
1166 u64 *wqe;
1167 u64 temp, header;
1168
1169 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1170 if (!wqe)
1171 return I40IW_ERR_RING_FULL;
1172 temp = info->mac_addr[5] |
1173 LS_64_1(info->mac_addr[4], 8) |
1174 LS_64_1(info->mac_addr[3], 16) |
1175 LS_64_1(info->mac_addr[2], 24) |
1176 LS_64_1(info->mac_addr[1], 32) |
1177 LS_64_1(info->mac_addr[0], 40);
1178
1179 set_64bit_val(wqe, 32, temp);
1180
1181 header = LS_64(info->entry_idx, I40IW_CQPSQ_MLIPA_IPTABLEIDX) |
1182 LS_64(I40IW_CQP_OP_MANAGE_LOC_MAC_IP_TABLE, I40IW_CQPSQ_OPCODE) |
1183 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1184
1185 i40iw_insert_wqe_hdr(wqe, header);
1186
1187 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "ADD_LOCAL_MAC_IPADDR WQE",
1188 wqe, I40IW_CQP_WQE_SIZE * 8);
1189
1190 if (post_sq)
1191 i40iw_sc_cqp_post_sq(cqp);
1192 return 0;
1193}
1194
1195/**
1196 * i40iw_sc_del_local_mac_ipaddr_entry - cqp wqe to dele local mac
1197 * @cqp: struct for cqp hw
1198 * @scratch: u64 saved to be used during cqp completion
1199 * @entry_idx: index of mac entry
1200 * @ ignore_ref_count: to force mac adde delete
1201 * @post_sq: flag for cqp db to ring
1202 */
1203static enum i40iw_status_code i40iw_sc_del_local_mac_ipaddr_entry(
1204 struct i40iw_sc_cqp *cqp,
1205 u64 scratch,
1206 u8 entry_idx,
1207 u8 ignore_ref_count,
1208 bool post_sq)
1209{
1210 u64 *wqe;
1211 u64 header;
1212
1213 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1214 if (!wqe)
1215 return I40IW_ERR_RING_FULL;
1216 header = LS_64(entry_idx, I40IW_CQPSQ_MLIPA_IPTABLEIDX) |
1217 LS_64(I40IW_CQP_OP_MANAGE_LOC_MAC_IP_TABLE, I40IW_CQPSQ_OPCODE) |
1218 LS_64(1, I40IW_CQPSQ_MLIPA_FREEENTRY) |
1219 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID) |
1220 LS_64(ignore_ref_count, I40IW_CQPSQ_MLIPA_IGNORE_REF_CNT);
1221
1222 i40iw_insert_wqe_hdr(wqe, header);
1223
1224 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "DEL_LOCAL_MAC_IPADDR WQE",
1225 wqe, I40IW_CQP_WQE_SIZE * 8);
1226
1227 if (post_sq)
1228 i40iw_sc_cqp_post_sq(cqp);
1229 return 0;
1230}
1231
1232/**
1233 * i40iw_sc_cqp_nop - send a nop wqe
1234 * @cqp: struct for cqp hw
1235 * @scratch: u64 saved to be used during cqp completion
1236 * @post_sq: flag for cqp db to ring
1237 */
1238static enum i40iw_status_code i40iw_sc_cqp_nop(struct i40iw_sc_cqp *cqp,
1239 u64 scratch,
1240 bool post_sq)
1241{
1242 u64 *wqe;
1243 u64 header;
1244
1245 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1246 if (!wqe)
1247 return I40IW_ERR_RING_FULL;
1248 header = LS_64(I40IW_CQP_OP_NOP, I40IW_CQPSQ_OPCODE) |
1249 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1250 i40iw_insert_wqe_hdr(wqe, header);
1251 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "NOP WQE",
1252 wqe, I40IW_CQP_WQE_SIZE * 8);
1253
1254 if (post_sq)
1255 i40iw_sc_cqp_post_sq(cqp);
1256 return 0;
1257}
1258
1259/**
1260 * i40iw_sc_ceq_init - initialize ceq
1261 * @ceq: ceq sc structure
1262 * @info: ceq initialization info
1263 */
1264static enum i40iw_status_code i40iw_sc_ceq_init(struct i40iw_sc_ceq *ceq,
1265 struct i40iw_ceq_init_info *info)
1266{
1267 u32 pble_obj_cnt;
1268
1269 if ((info->elem_cnt < I40IW_MIN_CEQ_ENTRIES) ||
1270 (info->elem_cnt > I40IW_MAX_CEQ_ENTRIES))
1271 return I40IW_ERR_INVALID_SIZE;
1272
1273 if (info->ceq_id >= I40IW_MAX_CEQID)
1274 return I40IW_ERR_INVALID_CEQ_ID;
1275
1276 pble_obj_cnt = info->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
1277
1278 if (info->virtual_map && (info->first_pm_pbl_idx >= pble_obj_cnt))
1279 return I40IW_ERR_INVALID_PBLE_INDEX;
1280
1281 ceq->size = sizeof(*ceq);
1282 ceq->ceqe_base = (struct i40iw_ceqe *)info->ceqe_base;
1283 ceq->ceq_id = info->ceq_id;
1284 ceq->dev = info->dev;
1285 ceq->elem_cnt = info->elem_cnt;
1286 ceq->ceq_elem_pa = info->ceqe_pa;
1287 ceq->virtual_map = info->virtual_map;
1288
1289 ceq->pbl_chunk_size = (ceq->virtual_map ? info->pbl_chunk_size : 0);
1290 ceq->first_pm_pbl_idx = (ceq->virtual_map ? info->first_pm_pbl_idx : 0);
1291 ceq->pbl_list = (ceq->virtual_map ? info->pbl_list : NULL);
1292
1293 ceq->tph_en = info->tph_en;
1294 ceq->tph_val = info->tph_val;
1295 ceq->polarity = 1;
1296 I40IW_RING_INIT(ceq->ceq_ring, ceq->elem_cnt);
1297 ceq->dev->ceq[info->ceq_id] = ceq;
1298
1299 return 0;
1300}
1301
1302/**
1303 * i40iw_sc_ceq_create - create ceq wqe
1304 * @ceq: ceq sc structure
1305 * @scratch: u64 saved to be used during cqp completion
1306 * @post_sq: flag for cqp db to ring
1307 */
1308static enum i40iw_status_code i40iw_sc_ceq_create(struct i40iw_sc_ceq *ceq,
1309 u64 scratch,
1310 bool post_sq)
1311{
1312 struct i40iw_sc_cqp *cqp;
1313 u64 *wqe;
1314 u64 header;
1315
1316 cqp = ceq->dev->cqp;
1317 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1318 if (!wqe)
1319 return I40IW_ERR_RING_FULL;
1320 set_64bit_val(wqe, 16, ceq->elem_cnt);
1321 set_64bit_val(wqe, 32, (ceq->virtual_map ? 0 : ceq->ceq_elem_pa));
1322 set_64bit_val(wqe, 48, (ceq->virtual_map ? ceq->first_pm_pbl_idx : 0));
1323 set_64bit_val(wqe, 56, LS_64(ceq->tph_val, I40IW_CQPSQ_TPHVAL));
1324
1325 header = ceq->ceq_id |
1326 LS_64(I40IW_CQP_OP_CREATE_CEQ, I40IW_CQPSQ_OPCODE) |
1327 LS_64(ceq->pbl_chunk_size, I40IW_CQPSQ_CEQ_LPBLSIZE) |
1328 LS_64(ceq->virtual_map, I40IW_CQPSQ_CEQ_VMAP) |
1329 LS_64(ceq->tph_en, I40IW_CQPSQ_TPHEN) |
1330 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1331
1332 i40iw_insert_wqe_hdr(wqe, header);
1333
1334 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CEQ_CREATE WQE",
1335 wqe, I40IW_CQP_WQE_SIZE * 8);
1336
1337 if (post_sq)
1338 i40iw_sc_cqp_post_sq(cqp);
1339 return 0;
1340}
1341
1342/**
1343 * i40iw_sc_cceq_create_done - poll for control ceq wqe to complete
1344 * @ceq: ceq sc structure
1345 */
1346static enum i40iw_status_code i40iw_sc_cceq_create_done(struct i40iw_sc_ceq *ceq)
1347{
1348 struct i40iw_sc_cqp *cqp;
1349
1350 cqp = ceq->dev->cqp;
1351 return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_CREATE_CEQ, NULL);
1352}
1353
1354/**
1355 * i40iw_sc_cceq_destroy_done - poll for destroy cceq to complete
1356 * @ceq: ceq sc structure
1357 */
1358static enum i40iw_status_code i40iw_sc_cceq_destroy_done(struct i40iw_sc_ceq *ceq)
1359{
1360 struct i40iw_sc_cqp *cqp;
1361
1362 cqp = ceq->dev->cqp;
1363 cqp->process_cqp_sds = i40iw_update_sds_noccq;
1364 return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_DESTROY_CEQ, NULL);
1365}
1366
1367/**
1368 * i40iw_sc_cceq_create - create cceq
1369 * @ceq: ceq sc structure
1370 * @scratch: u64 saved to be used during cqp completion
1371 */
1372static enum i40iw_status_code i40iw_sc_cceq_create(struct i40iw_sc_ceq *ceq, u64 scratch)
1373{
1374 enum i40iw_status_code ret_code;
1375
1376 ret_code = i40iw_sc_ceq_create(ceq, scratch, true);
1377 if (!ret_code)
1378 ret_code = i40iw_sc_cceq_create_done(ceq);
1379 return ret_code;
1380}
1381
1382/**
1383 * i40iw_sc_ceq_destroy - destroy ceq
1384 * @ceq: ceq sc structure
1385 * @scratch: u64 saved to be used during cqp completion
1386 * @post_sq: flag for cqp db to ring
1387 */
1388static enum i40iw_status_code i40iw_sc_ceq_destroy(struct i40iw_sc_ceq *ceq,
1389 u64 scratch,
1390 bool post_sq)
1391{
1392 struct i40iw_sc_cqp *cqp;
1393 u64 *wqe;
1394 u64 header;
1395
1396 cqp = ceq->dev->cqp;
1397 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1398 if (!wqe)
1399 return I40IW_ERR_RING_FULL;
1400 set_64bit_val(wqe, 16, ceq->elem_cnt);
1401 set_64bit_val(wqe, 48, ceq->first_pm_pbl_idx);
1402 header = ceq->ceq_id |
1403 LS_64(I40IW_CQP_OP_DESTROY_CEQ, I40IW_CQPSQ_OPCODE) |
1404 LS_64(ceq->pbl_chunk_size, I40IW_CQPSQ_CEQ_LPBLSIZE) |
1405 LS_64(ceq->virtual_map, I40IW_CQPSQ_CEQ_VMAP) |
1406 LS_64(ceq->tph_en, I40IW_CQPSQ_TPHEN) |
1407 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1408 i40iw_insert_wqe_hdr(wqe, header);
1409 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CEQ_DESTROY WQE",
1410 wqe, I40IW_CQP_WQE_SIZE * 8);
1411
1412 if (post_sq)
1413 i40iw_sc_cqp_post_sq(cqp);
1414 return 0;
1415}
1416
1417/**
1418 * i40iw_sc_process_ceq - process ceq
1419 * @dev: sc device struct
1420 * @ceq: ceq sc structure
1421 */
1422static void *i40iw_sc_process_ceq(struct i40iw_sc_dev *dev, struct i40iw_sc_ceq *ceq)
1423{
1424 u64 temp;
1425 u64 *ceqe;
1426 struct i40iw_sc_cq *cq = NULL;
1427 u8 polarity;
1428
1429 ceqe = (u64 *)I40IW_GET_CURRENT_CEQ_ELEMENT(ceq);
1430 get_64bit_val(ceqe, 0, &temp);
1431 polarity = (u8)RS_64(temp, I40IW_CEQE_VALID);
1432 if (polarity != ceq->polarity)
1433 return cq;
1434
1435 cq = (struct i40iw_sc_cq *)(unsigned long)LS_64_1(temp, 1);
1436
1437 I40IW_RING_MOVE_TAIL(ceq->ceq_ring);
1438 if (I40IW_RING_GETCURRENT_TAIL(ceq->ceq_ring) == 0)
1439 ceq->polarity ^= 1;
1440
1441 if (dev->is_pf)
1442 i40iw_wr32(dev->hw, I40E_PFPE_CQACK, cq->cq_uk.cq_id);
1443 else
1444 i40iw_wr32(dev->hw, I40E_VFPE_CQACK1, cq->cq_uk.cq_id);
1445
1446 return cq;
1447}
1448
1449/**
1450 * i40iw_sc_aeq_init - initialize aeq
1451 * @aeq: aeq structure ptr
1452 * @info: aeq initialization info
1453 */
1454static enum i40iw_status_code i40iw_sc_aeq_init(struct i40iw_sc_aeq *aeq,
1455 struct i40iw_aeq_init_info *info)
1456{
1457 u32 pble_obj_cnt;
1458
1459 if ((info->elem_cnt < I40IW_MIN_AEQ_ENTRIES) ||
1460 (info->elem_cnt > I40IW_MAX_AEQ_ENTRIES))
1461 return I40IW_ERR_INVALID_SIZE;
1462 pble_obj_cnt = info->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
1463
1464 if (info->virtual_map && (info->first_pm_pbl_idx >= pble_obj_cnt))
1465 return I40IW_ERR_INVALID_PBLE_INDEX;
1466
1467 aeq->size = sizeof(*aeq);
1468 aeq->polarity = 1;
1469 aeq->aeqe_base = (struct i40iw_sc_aeqe *)info->aeqe_base;
1470 aeq->dev = info->dev;
1471 aeq->elem_cnt = info->elem_cnt;
1472
1473 aeq->aeq_elem_pa = info->aeq_elem_pa;
1474 I40IW_RING_INIT(aeq->aeq_ring, aeq->elem_cnt);
1475 info->dev->aeq = aeq;
1476
1477 aeq->virtual_map = info->virtual_map;
1478 aeq->pbl_list = (aeq->virtual_map ? info->pbl_list : NULL);
1479 aeq->pbl_chunk_size = (aeq->virtual_map ? info->pbl_chunk_size : 0);
1480 aeq->first_pm_pbl_idx = (aeq->virtual_map ? info->first_pm_pbl_idx : 0);
1481 info->dev->aeq = aeq;
1482 return 0;
1483}
1484
1485/**
1486 * i40iw_sc_aeq_create - create aeq
1487 * @aeq: aeq structure ptr
1488 * @scratch: u64 saved to be used during cqp completion
1489 * @post_sq: flag for cqp db to ring
1490 */
1491static enum i40iw_status_code i40iw_sc_aeq_create(struct i40iw_sc_aeq *aeq,
1492 u64 scratch,
1493 bool post_sq)
1494{
1495 u64 *wqe;
1496 struct i40iw_sc_cqp *cqp;
1497 u64 header;
1498
1499 cqp = aeq->dev->cqp;
1500 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1501 if (!wqe)
1502 return I40IW_ERR_RING_FULL;
1503 set_64bit_val(wqe, 16, aeq->elem_cnt);
1504 set_64bit_val(wqe, 32,
1505 (aeq->virtual_map ? 0 : aeq->aeq_elem_pa));
1506 set_64bit_val(wqe, 48,
1507 (aeq->virtual_map ? aeq->first_pm_pbl_idx : 0));
1508
1509 header = LS_64(I40IW_CQP_OP_CREATE_AEQ, I40IW_CQPSQ_OPCODE) |
1510 LS_64(aeq->pbl_chunk_size, I40IW_CQPSQ_AEQ_LPBLSIZE) |
1511 LS_64(aeq->virtual_map, I40IW_CQPSQ_AEQ_VMAP) |
1512 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1513
1514 i40iw_insert_wqe_hdr(wqe, header);
1515 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "AEQ_CREATE WQE",
1516 wqe, I40IW_CQP_WQE_SIZE * 8);
1517 if (post_sq)
1518 i40iw_sc_cqp_post_sq(cqp);
1519 return 0;
1520}
1521
1522/**
1523 * i40iw_sc_aeq_destroy - destroy aeq during close
1524 * @aeq: aeq structure ptr
1525 * @scratch: u64 saved to be used during cqp completion
1526 * @post_sq: flag for cqp db to ring
1527 */
1528static enum i40iw_status_code i40iw_sc_aeq_destroy(struct i40iw_sc_aeq *aeq,
1529 u64 scratch,
1530 bool post_sq)
1531{
1532 u64 *wqe;
1533 struct i40iw_sc_cqp *cqp;
1534 u64 header;
1535
1536 cqp = aeq->dev->cqp;
1537 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1538 if (!wqe)
1539 return I40IW_ERR_RING_FULL;
1540 set_64bit_val(wqe, 16, aeq->elem_cnt);
1541 set_64bit_val(wqe, 48, aeq->first_pm_pbl_idx);
1542 header = LS_64(I40IW_CQP_OP_DESTROY_AEQ, I40IW_CQPSQ_OPCODE) |
1543 LS_64(aeq->pbl_chunk_size, I40IW_CQPSQ_AEQ_LPBLSIZE) |
1544 LS_64(aeq->virtual_map, I40IW_CQPSQ_AEQ_VMAP) |
1545 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1546 i40iw_insert_wqe_hdr(wqe, header);
1547
1548 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "AEQ_DESTROY WQE",
1549 wqe, I40IW_CQP_WQE_SIZE * 8);
1550 if (post_sq)
1551 i40iw_sc_cqp_post_sq(cqp);
1552 return 0;
1553}
1554
1555/**
1556 * i40iw_sc_get_next_aeqe - get next aeq entry
1557 * @aeq: aeq structure ptr
1558 * @info: aeqe info to be returned
1559 */
1560static enum i40iw_status_code i40iw_sc_get_next_aeqe(struct i40iw_sc_aeq *aeq,
1561 struct i40iw_aeqe_info *info)
1562{
1563 u64 temp, compl_ctx;
1564 u64 *aeqe;
1565 u16 wqe_idx;
1566 u8 ae_src;
1567 u8 polarity;
1568
1569 aeqe = (u64 *)I40IW_GET_CURRENT_AEQ_ELEMENT(aeq);
1570 get_64bit_val(aeqe, 0, &compl_ctx);
1571 get_64bit_val(aeqe, 8, &temp);
1572 polarity = (u8)RS_64(temp, I40IW_AEQE_VALID);
1573
1574 if (aeq->polarity != polarity)
1575 return I40IW_ERR_QUEUE_EMPTY;
1576
1577 i40iw_debug_buf(aeq->dev, I40IW_DEBUG_WQE, "AEQ_ENTRY", aeqe, 16);
1578
1579 ae_src = (u8)RS_64(temp, I40IW_AEQE_AESRC);
1580 wqe_idx = (u16)RS_64(temp, I40IW_AEQE_WQDESCIDX);
1581 info->qp_cq_id = (u32)RS_64(temp, I40IW_AEQE_QPCQID);
1582 info->ae_id = (u16)RS_64(temp, I40IW_AEQE_AECODE);
1583 info->tcp_state = (u8)RS_64(temp, I40IW_AEQE_TCPSTATE);
1584 info->iwarp_state = (u8)RS_64(temp, I40IW_AEQE_IWSTATE);
1585 info->q2_data_written = (u8)RS_64(temp, I40IW_AEQE_Q2DATA);
1586 info->aeqe_overflow = (bool)RS_64(temp, I40IW_AEQE_OVERFLOW);
1587 switch (ae_src) {
1588 case I40IW_AE_SOURCE_RQ:
1589 case I40IW_AE_SOURCE_RQ_0011:
1590 info->qp = true;
1591 info->wqe_idx = wqe_idx;
1592 info->compl_ctx = compl_ctx;
1593 break;
1594 case I40IW_AE_SOURCE_CQ:
1595 case I40IW_AE_SOURCE_CQ_0110:
1596 case I40IW_AE_SOURCE_CQ_1010:
1597 case I40IW_AE_SOURCE_CQ_1110:
1598 info->cq = true;
1599 info->compl_ctx = LS_64_1(compl_ctx, 1);
1600 break;
1601 case I40IW_AE_SOURCE_SQ:
1602 case I40IW_AE_SOURCE_SQ_0111:
1603 info->qp = true;
1604 info->sq = true;
1605 info->wqe_idx = wqe_idx;
1606 info->compl_ctx = compl_ctx;
1607 break;
1608 case I40IW_AE_SOURCE_IN_RR_WR:
1609 case I40IW_AE_SOURCE_IN_RR_WR_1011:
1610 info->qp = true;
1611 info->compl_ctx = compl_ctx;
1612 info->in_rdrsp_wr = true;
1613 break;
1614 case I40IW_AE_SOURCE_OUT_RR:
1615 case I40IW_AE_SOURCE_OUT_RR_1111:
1616 info->qp = true;
1617 info->compl_ctx = compl_ctx;
1618 info->out_rdrsp = true;
1619 break;
1620 default:
1621 break;
1622 }
1623 I40IW_RING_MOVE_TAIL(aeq->aeq_ring);
1624 if (I40IW_RING_GETCURRENT_TAIL(aeq->aeq_ring) == 0)
1625 aeq->polarity ^= 1;
1626 return 0;
1627}
1628
1629/**
1630 * i40iw_sc_repost_aeq_entries - repost completed aeq entries
1631 * @dev: sc device struct
1632 * @count: allocate count
1633 */
1634static enum i40iw_status_code i40iw_sc_repost_aeq_entries(struct i40iw_sc_dev *dev,
1635 u32 count)
1636{
1637 if (count > I40IW_MAX_AEQ_ALLOCATE_COUNT)
1638 return I40IW_ERR_INVALID_SIZE;
1639
1640 if (dev->is_pf)
1641 i40iw_wr32(dev->hw, I40E_PFPE_AEQALLOC, count);
1642 else
1643 i40iw_wr32(dev->hw, I40E_VFPE_AEQALLOC1, count);
1644
1645 return 0;
1646}
1647
1648/**
1649 * i40iw_sc_aeq_create_done - create aeq
1650 * @aeq: aeq structure ptr
1651 */
1652static enum i40iw_status_code i40iw_sc_aeq_create_done(struct i40iw_sc_aeq *aeq)
1653{
1654 struct i40iw_sc_cqp *cqp;
1655
1656 cqp = aeq->dev->cqp;
1657 return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_CREATE_AEQ, NULL);
1658}
1659
1660/**
1661 * i40iw_sc_aeq_destroy_done - destroy of aeq during close
1662 * @aeq: aeq structure ptr
1663 */
1664static enum i40iw_status_code i40iw_sc_aeq_destroy_done(struct i40iw_sc_aeq *aeq)
1665{
1666 struct i40iw_sc_cqp *cqp;
1667
1668 cqp = aeq->dev->cqp;
1669 return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_DESTROY_AEQ, NULL);
1670}
1671
1672/**
1673 * i40iw_sc_ccq_init - initialize control cq
1674 * @cq: sc's cq ctruct
1675 * @info: info for control cq initialization
1676 */
1677static enum i40iw_status_code i40iw_sc_ccq_init(struct i40iw_sc_cq *cq,
1678 struct i40iw_ccq_init_info *info)
1679{
1680 u32 pble_obj_cnt;
1681
1682 if (info->num_elem < I40IW_MIN_CQ_SIZE || info->num_elem > I40IW_MAX_CQ_SIZE)
1683 return I40IW_ERR_INVALID_SIZE;
1684
1685 if (info->ceq_id > I40IW_MAX_CEQID)
1686 return I40IW_ERR_INVALID_CEQ_ID;
1687
1688 pble_obj_cnt = info->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
1689
1690 if (info->virtual_map && (info->first_pm_pbl_idx >= pble_obj_cnt))
1691 return I40IW_ERR_INVALID_PBLE_INDEX;
1692
1693 cq->cq_pa = info->cq_pa;
1694 cq->cq_uk.cq_base = info->cq_base;
1695 cq->shadow_area_pa = info->shadow_area_pa;
1696 cq->cq_uk.shadow_area = info->shadow_area;
1697 cq->shadow_read_threshold = info->shadow_read_threshold;
1698 cq->dev = info->dev;
1699 cq->ceq_id = info->ceq_id;
1700 cq->cq_uk.cq_size = info->num_elem;
1701 cq->cq_type = I40IW_CQ_TYPE_CQP;
1702 cq->ceqe_mask = info->ceqe_mask;
1703 I40IW_RING_INIT(cq->cq_uk.cq_ring, info->num_elem);
1704
1705 cq->cq_uk.cq_id = 0; /* control cq is id 0 always */
1706 cq->ceq_id_valid = info->ceq_id_valid;
1707 cq->tph_en = info->tph_en;
1708 cq->tph_val = info->tph_val;
1709 cq->cq_uk.avoid_mem_cflct = info->avoid_mem_cflct;
1710
1711 cq->pbl_list = info->pbl_list;
1712 cq->virtual_map = info->virtual_map;
1713 cq->pbl_chunk_size = info->pbl_chunk_size;
1714 cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
1715 cq->cq_uk.polarity = true;
1716
1717 /* following are only for iw cqs so initialize them to zero */
1718 cq->cq_uk.cqe_alloc_reg = NULL;
1719 info->dev->ccq = cq;
1720 return 0;
1721}
1722
1723/**
1724 * i40iw_sc_ccq_create_done - poll cqp for ccq create
1725 * @ccq: ccq sc struct
1726 */
1727static enum i40iw_status_code i40iw_sc_ccq_create_done(struct i40iw_sc_cq *ccq)
1728{
1729 struct i40iw_sc_cqp *cqp;
1730
1731 cqp = ccq->dev->cqp;
1732 return i40iw_sc_poll_for_cqp_op_done(cqp, I40IW_CQP_OP_CREATE_CQ, NULL);
1733}
1734
1735/**
1736 * i40iw_sc_ccq_create - create control cq
1737 * @ccq: ccq sc struct
1738 * @scratch: u64 saved to be used during cqp completion
1739 * @check_overflow: overlow flag for ccq
1740 * @post_sq: flag for cqp db to ring
1741 */
1742static enum i40iw_status_code i40iw_sc_ccq_create(struct i40iw_sc_cq *ccq,
1743 u64 scratch,
1744 bool check_overflow,
1745 bool post_sq)
1746{
1747 u64 *wqe;
1748 struct i40iw_sc_cqp *cqp;
1749 u64 header;
1750 enum i40iw_status_code ret_code;
1751
1752 cqp = ccq->dev->cqp;
1753 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1754 if (!wqe)
1755 return I40IW_ERR_RING_FULL;
1756 set_64bit_val(wqe, 0, ccq->cq_uk.cq_size);
1757 set_64bit_val(wqe, 8, RS_64_1(ccq, 1));
1758 set_64bit_val(wqe, 16,
1759 LS_64(ccq->shadow_read_threshold, I40IW_CQPSQ_CQ_SHADOW_READ_THRESHOLD));
1760 set_64bit_val(wqe, 32, (ccq->virtual_map ? 0 : ccq->cq_pa));
1761 set_64bit_val(wqe, 40, ccq->shadow_area_pa);
1762 set_64bit_val(wqe, 48,
1763 (ccq->virtual_map ? ccq->first_pm_pbl_idx : 0));
1764 set_64bit_val(wqe, 56,
1765 LS_64(ccq->tph_val, I40IW_CQPSQ_TPHVAL));
1766
1767 header = ccq->cq_uk.cq_id |
1768 LS_64((ccq->ceq_id_valid ? ccq->ceq_id : 0), I40IW_CQPSQ_CQ_CEQID) |
1769 LS_64(I40IW_CQP_OP_CREATE_CQ, I40IW_CQPSQ_OPCODE) |
1770 LS_64(ccq->pbl_chunk_size, I40IW_CQPSQ_CQ_LPBLSIZE) |
1771 LS_64(check_overflow, I40IW_CQPSQ_CQ_CHKOVERFLOW) |
1772 LS_64(ccq->virtual_map, I40IW_CQPSQ_CQ_VIRTMAP) |
1773 LS_64(ccq->ceqe_mask, I40IW_CQPSQ_CQ_ENCEQEMASK) |
1774 LS_64(ccq->ceq_id_valid, I40IW_CQPSQ_CQ_CEQIDVALID) |
1775 LS_64(ccq->tph_en, I40IW_CQPSQ_TPHEN) |
1776 LS_64(ccq->cq_uk.avoid_mem_cflct, I40IW_CQPSQ_CQ_AVOIDMEMCNFLCT) |
1777 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1778
1779 i40iw_insert_wqe_hdr(wqe, header);
1780
1781 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CCQ_CREATE WQE",
1782 wqe, I40IW_CQP_WQE_SIZE * 8);
1783
1784 if (post_sq) {
1785 i40iw_sc_cqp_post_sq(cqp);
1786 ret_code = i40iw_sc_ccq_create_done(ccq);
1787 if (ret_code)
1788 return ret_code;
1789 }
1790 cqp->process_cqp_sds = i40iw_cqp_sds_cmd;
1791
1792 return 0;
1793}
1794
1795/**
1796 * i40iw_sc_ccq_destroy - destroy ccq during close
1797 * @ccq: ccq sc struct
1798 * @scratch: u64 saved to be used during cqp completion
1799 * @post_sq: flag for cqp db to ring
1800 */
1801static enum i40iw_status_code i40iw_sc_ccq_destroy(struct i40iw_sc_cq *ccq,
1802 u64 scratch,
1803 bool post_sq)
1804{
1805 struct i40iw_sc_cqp *cqp;
1806 u64 *wqe;
1807 u64 header;
1808 enum i40iw_status_code ret_code = 0;
1809 u32 tail, val, error;
1810
1811 cqp = ccq->dev->cqp;
1812 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1813 if (!wqe)
1814 return I40IW_ERR_RING_FULL;
1815 set_64bit_val(wqe, 0, ccq->cq_uk.cq_size);
1816 set_64bit_val(wqe, 8, RS_64_1(ccq, 1));
1817 set_64bit_val(wqe, 40, ccq->shadow_area_pa);
1818
1819 header = ccq->cq_uk.cq_id |
1820 LS_64((ccq->ceq_id_valid ? ccq->ceq_id : 0), I40IW_CQPSQ_CQ_CEQID) |
1821 LS_64(I40IW_CQP_OP_DESTROY_CQ, I40IW_CQPSQ_OPCODE) |
1822 LS_64(ccq->ceqe_mask, I40IW_CQPSQ_CQ_ENCEQEMASK) |
1823 LS_64(ccq->ceq_id_valid, I40IW_CQPSQ_CQ_CEQIDVALID) |
1824 LS_64(ccq->tph_en, I40IW_CQPSQ_TPHEN) |
1825 LS_64(ccq->cq_uk.avoid_mem_cflct, I40IW_CQPSQ_CQ_AVOIDMEMCNFLCT) |
1826 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1827
1828 i40iw_insert_wqe_hdr(wqe, header);
1829
1830 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CCQ_DESTROY WQE",
1831 wqe, I40IW_CQP_WQE_SIZE * 8);
1832
1833 i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
1834 if (error)
1835 return I40IW_ERR_CQP_COMPL_ERROR;
1836
1837 if (post_sq) {
1838 i40iw_sc_cqp_post_sq(cqp);
1839 ret_code = i40iw_cqp_poll_registers(cqp, tail, 1000);
1840 }
1841
1842 return ret_code;
1843}
1844
1845/**
1846 * i40iw_sc_cq_init - initialize completion q
1847 * @cq: cq struct
1848 * @info: cq initialization info
1849 */
1850static enum i40iw_status_code i40iw_sc_cq_init(struct i40iw_sc_cq *cq,
1851 struct i40iw_cq_init_info *info)
1852{
1853 u32 __iomem *cqe_alloc_reg = NULL;
1854 enum i40iw_status_code ret_code;
1855 u32 pble_obj_cnt;
1856 u32 arm_offset;
1857
1858 pble_obj_cnt = info->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
1859
1860 if (info->virtual_map && (info->first_pm_pbl_idx >= pble_obj_cnt))
1861 return I40IW_ERR_INVALID_PBLE_INDEX;
1862
1863 cq->cq_pa = info->cq_base_pa;
1864 cq->dev = info->dev;
1865 cq->ceq_id = info->ceq_id;
1866 arm_offset = (info->dev->is_pf) ? I40E_PFPE_CQARM : I40E_VFPE_CQARM1;
1867 if (i40iw_get_hw_addr(cq->dev))
1868 cqe_alloc_reg = (u32 __iomem *)(i40iw_get_hw_addr(cq->dev) +
1869 arm_offset);
1870 info->cq_uk_init_info.cqe_alloc_reg = cqe_alloc_reg;
1871 ret_code = i40iw_cq_uk_init(&cq->cq_uk, &info->cq_uk_init_info);
1872 if (ret_code)
1873 return ret_code;
1874 cq->virtual_map = info->virtual_map;
1875 cq->pbl_chunk_size = info->pbl_chunk_size;
1876 cq->ceqe_mask = info->ceqe_mask;
1877 cq->cq_type = (info->type) ? info->type : I40IW_CQ_TYPE_IWARP;
1878
1879 cq->shadow_area_pa = info->shadow_area_pa;
1880 cq->shadow_read_threshold = info->shadow_read_threshold;
1881
1882 cq->ceq_id_valid = info->ceq_id_valid;
1883 cq->tph_en = info->tph_en;
1884 cq->tph_val = info->tph_val;
1885
1886 cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
1887
1888 return 0;
1889}
1890
1891/**
1892 * i40iw_sc_cq_create - create completion q
1893 * @cq: cq struct
1894 * @scratch: u64 saved to be used during cqp completion
1895 * @check_overflow: flag for overflow check
1896 * @post_sq: flag for cqp db to ring
1897 */
1898static enum i40iw_status_code i40iw_sc_cq_create(struct i40iw_sc_cq *cq,
1899 u64 scratch,
1900 bool check_overflow,
1901 bool post_sq)
1902{
1903 u64 *wqe;
1904 struct i40iw_sc_cqp *cqp;
1905 u64 header;
1906
1907 if (cq->cq_uk.cq_id > I40IW_MAX_CQID)
1908 return I40IW_ERR_INVALID_CQ_ID;
1909
1910 if (cq->ceq_id > I40IW_MAX_CEQID)
1911 return I40IW_ERR_INVALID_CEQ_ID;
1912
1913 cqp = cq->dev->cqp;
1914 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1915 if (!wqe)
1916 return I40IW_ERR_RING_FULL;
1917
1918 set_64bit_val(wqe, 0, cq->cq_uk.cq_size);
1919 set_64bit_val(wqe, 8, RS_64_1(cq, 1));
1920 set_64bit_val(wqe,
1921 16,
1922 LS_64(cq->shadow_read_threshold, I40IW_CQPSQ_CQ_SHADOW_READ_THRESHOLD));
1923
1924 set_64bit_val(wqe, 32, (cq->virtual_map ? 0 : cq->cq_pa));
1925
1926 set_64bit_val(wqe, 40, cq->shadow_area_pa);
1927 set_64bit_val(wqe, 48, (cq->virtual_map ? cq->first_pm_pbl_idx : 0));
1928 set_64bit_val(wqe, 56, LS_64(cq->tph_val, I40IW_CQPSQ_TPHVAL));
1929
1930 header = cq->cq_uk.cq_id |
1931 LS_64((cq->ceq_id_valid ? cq->ceq_id : 0), I40IW_CQPSQ_CQ_CEQID) |
1932 LS_64(I40IW_CQP_OP_CREATE_CQ, I40IW_CQPSQ_OPCODE) |
1933 LS_64(cq->pbl_chunk_size, I40IW_CQPSQ_CQ_LPBLSIZE) |
1934 LS_64(check_overflow, I40IW_CQPSQ_CQ_CHKOVERFLOW) |
1935 LS_64(cq->virtual_map, I40IW_CQPSQ_CQ_VIRTMAP) |
1936 LS_64(cq->ceqe_mask, I40IW_CQPSQ_CQ_ENCEQEMASK) |
1937 LS_64(cq->ceq_id_valid, I40IW_CQPSQ_CQ_CEQIDVALID) |
1938 LS_64(cq->tph_en, I40IW_CQPSQ_TPHEN) |
1939 LS_64(cq->cq_uk.avoid_mem_cflct, I40IW_CQPSQ_CQ_AVOIDMEMCNFLCT) |
1940 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1941
1942 i40iw_insert_wqe_hdr(wqe, header);
1943
1944 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CQ_CREATE WQE",
1945 wqe, I40IW_CQP_WQE_SIZE * 8);
1946
1947 if (post_sq)
1948 i40iw_sc_cqp_post_sq(cqp);
1949 return 0;
1950}
1951
1952/**
1953 * i40iw_sc_cq_destroy - destroy completion q
1954 * @cq: cq struct
1955 * @scratch: u64 saved to be used during cqp completion
1956 * @post_sq: flag for cqp db to ring
1957 */
1958static enum i40iw_status_code i40iw_sc_cq_destroy(struct i40iw_sc_cq *cq,
1959 u64 scratch,
1960 bool post_sq)
1961{
1962 struct i40iw_sc_cqp *cqp;
1963 u64 *wqe;
1964 u64 header;
1965
1966 cqp = cq->dev->cqp;
1967 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
1968 if (!wqe)
1969 return I40IW_ERR_RING_FULL;
1970 set_64bit_val(wqe, 0, cq->cq_uk.cq_size);
1971 set_64bit_val(wqe, 8, RS_64_1(cq, 1));
1972 set_64bit_val(wqe, 40, cq->shadow_area_pa);
1973 set_64bit_val(wqe, 48, (cq->virtual_map ? cq->first_pm_pbl_idx : 0));
1974
1975 header = cq->cq_uk.cq_id |
1976 LS_64((cq->ceq_id_valid ? cq->ceq_id : 0), I40IW_CQPSQ_CQ_CEQID) |
1977 LS_64(I40IW_CQP_OP_DESTROY_CQ, I40IW_CQPSQ_OPCODE) |
1978 LS_64(cq->pbl_chunk_size, I40IW_CQPSQ_CQ_LPBLSIZE) |
1979 LS_64(cq->virtual_map, I40IW_CQPSQ_CQ_VIRTMAP) |
1980 LS_64(cq->ceqe_mask, I40IW_CQPSQ_CQ_ENCEQEMASK) |
1981 LS_64(cq->ceq_id_valid, I40IW_CQPSQ_CQ_CEQIDVALID) |
1982 LS_64(cq->tph_en, I40IW_CQPSQ_TPHEN) |
1983 LS_64(cq->cq_uk.avoid_mem_cflct, I40IW_CQPSQ_CQ_AVOIDMEMCNFLCT) |
1984 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
1985
1986 i40iw_insert_wqe_hdr(wqe, header);
1987
1988 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CQ_DESTROY WQE",
1989 wqe, I40IW_CQP_WQE_SIZE * 8);
1990
1991 if (post_sq)
1992 i40iw_sc_cqp_post_sq(cqp);
1993 return 0;
1994}
1995
1996/**
1997 * i40iw_sc_cq_modify - modify a Completion Queue
1998 * @cq: cq struct
1999 * @info: modification info struct
2000 * @scratch:
2001 * @post_sq: flag to post to sq
2002 */
2003static enum i40iw_status_code i40iw_sc_cq_modify(struct i40iw_sc_cq *cq,
2004 struct i40iw_modify_cq_info *info,
2005 u64 scratch,
2006 bool post_sq)
2007{
2008 struct i40iw_sc_cqp *cqp;
2009 u64 *wqe;
2010 u64 header;
2011 u32 cq_size, ceq_id, first_pm_pbl_idx;
2012 u8 pbl_chunk_size;
2013 bool virtual_map, ceq_id_valid, check_overflow;
2014 u32 pble_obj_cnt;
2015
2016 if (info->ceq_valid && (info->ceq_id > I40IW_MAX_CEQID))
2017 return I40IW_ERR_INVALID_CEQ_ID;
2018
2019 pble_obj_cnt = cq->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
2020
2021 if (info->cq_resize && info->virtual_map &&
2022 (info->first_pm_pbl_idx >= pble_obj_cnt))
2023 return I40IW_ERR_INVALID_PBLE_INDEX;
2024
2025 cqp = cq->dev->cqp;
2026 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2027 if (!wqe)
2028 return I40IW_ERR_RING_FULL;
2029
2030 cq->pbl_list = info->pbl_list;
2031 cq->cq_pa = info->cq_pa;
2032 cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
2033
2034 cq_size = info->cq_resize ? info->cq_size : cq->cq_uk.cq_size;
2035 if (info->ceq_change) {
2036 ceq_id_valid = true;
2037 ceq_id = info->ceq_id;
2038 } else {
2039 ceq_id_valid = cq->ceq_id_valid;
2040 ceq_id = ceq_id_valid ? cq->ceq_id : 0;
2041 }
2042 virtual_map = info->cq_resize ? info->virtual_map : cq->virtual_map;
2043 first_pm_pbl_idx = (info->cq_resize ?
2044 (info->virtual_map ? info->first_pm_pbl_idx : 0) :
2045 (cq->virtual_map ? cq->first_pm_pbl_idx : 0));
2046 pbl_chunk_size = (info->cq_resize ?
2047 (info->virtual_map ? info->pbl_chunk_size : 0) :
2048 (cq->virtual_map ? cq->pbl_chunk_size : 0));
2049 check_overflow = info->check_overflow_change ? info->check_overflow :
2050 cq->check_overflow;
2051 cq->cq_uk.cq_size = cq_size;
2052 cq->ceq_id_valid = ceq_id_valid;
2053 cq->ceq_id = ceq_id;
2054 cq->virtual_map = virtual_map;
2055 cq->first_pm_pbl_idx = first_pm_pbl_idx;
2056 cq->pbl_chunk_size = pbl_chunk_size;
2057 cq->check_overflow = check_overflow;
2058
2059 set_64bit_val(wqe, 0, cq_size);
2060 set_64bit_val(wqe, 8, RS_64_1(cq, 1));
2061 set_64bit_val(wqe, 16,
2062 LS_64(info->shadow_read_threshold, I40IW_CQPSQ_CQ_SHADOW_READ_THRESHOLD));
2063 set_64bit_val(wqe, 32, (cq->virtual_map ? 0 : cq->cq_pa));
2064 set_64bit_val(wqe, 40, cq->shadow_area_pa);
2065 set_64bit_val(wqe, 48, (cq->virtual_map ? first_pm_pbl_idx : 0));
2066 set_64bit_val(wqe, 56, LS_64(cq->tph_val, I40IW_CQPSQ_TPHVAL));
2067
2068 header = cq->cq_uk.cq_id |
2069 LS_64(ceq_id, I40IW_CQPSQ_CQ_CEQID) |
2070 LS_64(I40IW_CQP_OP_MODIFY_CQ, I40IW_CQPSQ_OPCODE) |
2071 LS_64(info->cq_resize, I40IW_CQPSQ_CQ_CQRESIZE) |
2072 LS_64(pbl_chunk_size, I40IW_CQPSQ_CQ_LPBLSIZE) |
2073 LS_64(check_overflow, I40IW_CQPSQ_CQ_CHKOVERFLOW) |
2074 LS_64(virtual_map, I40IW_CQPSQ_CQ_VIRTMAP) |
2075 LS_64(cq->ceqe_mask, I40IW_CQPSQ_CQ_ENCEQEMASK) |
2076 LS_64(ceq_id_valid, I40IW_CQPSQ_CQ_CEQIDVALID) |
2077 LS_64(cq->tph_en, I40IW_CQPSQ_TPHEN) |
2078 LS_64(cq->cq_uk.avoid_mem_cflct, I40IW_CQPSQ_CQ_AVOIDMEMCNFLCT) |
2079 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2080
2081 i40iw_insert_wqe_hdr(wqe, header);
2082
2083 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "CQ_MODIFY WQE",
2084 wqe, I40IW_CQP_WQE_SIZE * 8);
2085
2086 if (post_sq)
2087 i40iw_sc_cqp_post_sq(cqp);
2088 return 0;
2089}
2090
2091/**
2092 * i40iw_sc_qp_init - initialize qp
2093 * @qp: sc qp
2094 * @info: initialization qp info
2095 */
2096static enum i40iw_status_code i40iw_sc_qp_init(struct i40iw_sc_qp *qp,
2097 struct i40iw_qp_init_info *info)
2098{
2099 u32 __iomem *wqe_alloc_reg = NULL;
2100 enum i40iw_status_code ret_code;
2101 u32 pble_obj_cnt;
2102 u8 wqe_size;
2103 u32 offset;
2104
2105 qp->dev = info->pd->dev;
2106 qp->sq_pa = info->sq_pa;
2107 qp->rq_pa = info->rq_pa;
2108 qp->hw_host_ctx_pa = info->host_ctx_pa;
2109 qp->q2_pa = info->q2_pa;
2110 qp->shadow_area_pa = info->shadow_area_pa;
2111
2112 qp->q2_buf = info->q2;
2113 qp->pd = info->pd;
2114 qp->hw_host_ctx = info->host_ctx;
2115 offset = (qp->pd->dev->is_pf) ? I40E_PFPE_WQEALLOC : I40E_VFPE_WQEALLOC1;
2116 if (i40iw_get_hw_addr(qp->pd->dev))
2117 wqe_alloc_reg = (u32 __iomem *)(i40iw_get_hw_addr(qp->pd->dev) +
2118 offset);
2119
2120 info->qp_uk_init_info.wqe_alloc_reg = wqe_alloc_reg;
2121 ret_code = i40iw_qp_uk_init(&qp->qp_uk, &info->qp_uk_init_info);
2122 if (ret_code)
2123 return ret_code;
2124 qp->virtual_map = info->virtual_map;
2125
2126 pble_obj_cnt = info->pd->dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
2127
2128 if ((info->virtual_map && (info->sq_pa >= pble_obj_cnt)) ||
2129 (info->virtual_map && (info->rq_pa >= pble_obj_cnt)))
2130 return I40IW_ERR_INVALID_PBLE_INDEX;
2131
2132 qp->llp_stream_handle = (void *)(-1);
2133 qp->qp_type = (info->type) ? info->type : I40IW_QP_TYPE_IWARP;
2134
2135 qp->hw_sq_size = i40iw_get_encoded_wqe_size(qp->qp_uk.sq_ring.size,
2136 false);
2137 i40iw_debug(qp->dev, I40IW_DEBUG_WQE, "%s: hw_sq_size[%04d] sq_ring.size[%04d]\n",
2138 __func__, qp->hw_sq_size, qp->qp_uk.sq_ring.size);
2139 ret_code = i40iw_fragcnt_to_wqesize_rq(qp->qp_uk.max_rq_frag_cnt,
2140 &wqe_size);
2141 if (ret_code)
2142 return ret_code;
2143 qp->hw_rq_size = i40iw_get_encoded_wqe_size(qp->qp_uk.rq_size *
2144 (wqe_size / I40IW_QP_WQE_MIN_SIZE), false);
2145 i40iw_debug(qp->dev, I40IW_DEBUG_WQE,
2146 "%s: hw_rq_size[%04d] qp_uk.rq_size[%04d] wqe_size[%04d]\n",
2147 __func__, qp->hw_rq_size, qp->qp_uk.rq_size, wqe_size);
2148 qp->sq_tph_val = info->sq_tph_val;
2149 qp->rq_tph_val = info->rq_tph_val;
2150 qp->sq_tph_en = info->sq_tph_en;
2151 qp->rq_tph_en = info->rq_tph_en;
2152 qp->rcv_tph_en = info->rcv_tph_en;
2153 qp->xmit_tph_en = info->xmit_tph_en;
2154 qp->qs_handle = qp->pd->dev->qs_handle;
2155 qp->exception_lan_queue = qp->pd->dev->exception_lan_queue;
2156
2157 return 0;
2158}
2159
2160/**
2161 * i40iw_sc_qp_create - create qp
2162 * @qp: sc qp
2163 * @info: qp create info
2164 * @scratch: u64 saved to be used during cqp completion
2165 * @post_sq: flag for cqp db to ring
2166 */
2167static enum i40iw_status_code i40iw_sc_qp_create(
2168 struct i40iw_sc_qp *qp,
2169 struct i40iw_create_qp_info *info,
2170 u64 scratch,
2171 bool post_sq)
2172{
2173 struct i40iw_sc_cqp *cqp;
2174 u64 *wqe;
2175 u64 header;
2176
2177 if ((qp->qp_uk.qp_id < I40IW_MIN_IW_QP_ID) ||
2178 (qp->qp_uk.qp_id > I40IW_MAX_IW_QP_ID))
2179 return I40IW_ERR_INVALID_QP_ID;
2180
2181 cqp = qp->pd->dev->cqp;
2182 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2183 if (!wqe)
2184 return I40IW_ERR_RING_FULL;
2185
2186 set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
2187
2188 set_64bit_val(wqe, 40, qp->shadow_area_pa);
2189
2190 header = qp->qp_uk.qp_id |
2191 LS_64(I40IW_CQP_OP_CREATE_QP, I40IW_CQPSQ_OPCODE) |
2192 LS_64((info->ord_valid ? 1 : 0), I40IW_CQPSQ_QP_ORDVALID) |
2193 LS_64(info->tcp_ctx_valid, I40IW_CQPSQ_QP_TOECTXVALID) |
2194 LS_64(qp->qp_type, I40IW_CQPSQ_QP_QPTYPE) |
2195 LS_64(qp->virtual_map, I40IW_CQPSQ_QP_VQ) |
2196 LS_64(info->cq_num_valid, I40IW_CQPSQ_QP_CQNUMVALID) |
2197 LS_64(info->static_rsrc, I40IW_CQPSQ_QP_STATRSRC) |
2198 LS_64(info->arp_cache_idx_valid, I40IW_CQPSQ_QP_ARPTABIDXVALID) |
2199 LS_64(info->next_iwarp_state, I40IW_CQPSQ_QP_NEXTIWSTATE) |
2200 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2201
2202 i40iw_insert_wqe_hdr(wqe, header);
2203 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QP_CREATE WQE",
2204 wqe, I40IW_CQP_WQE_SIZE * 8);
2205
2206 if (post_sq)
2207 i40iw_sc_cqp_post_sq(cqp);
2208 return 0;
2209}
2210
2211/**
2212 * i40iw_sc_qp_modify - modify qp cqp wqe
2213 * @qp: sc qp
2214 * @info: modify qp info
2215 * @scratch: u64 saved to be used during cqp completion
2216 * @post_sq: flag for cqp db to ring
2217 */
2218static enum i40iw_status_code i40iw_sc_qp_modify(
2219 struct i40iw_sc_qp *qp,
2220 struct i40iw_modify_qp_info *info,
2221 u64 scratch,
2222 bool post_sq)
2223{
2224 u64 *wqe;
2225 struct i40iw_sc_cqp *cqp;
2226 u64 header;
2227 u8 term_actions = 0;
2228 u8 term_len = 0;
2229
2230 cqp = qp->pd->dev->cqp;
2231 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2232 if (!wqe)
2233 return I40IW_ERR_RING_FULL;
2234 if (info->next_iwarp_state == I40IW_QP_STATE_TERMINATE) {
2235 if (info->dont_send_fin)
2236 term_actions += I40IWQP_TERM_SEND_TERM_ONLY;
2237 if (info->dont_send_term)
2238 term_actions += I40IWQP_TERM_SEND_FIN_ONLY;
2239 if ((term_actions == I40IWQP_TERM_SEND_TERM_AND_FIN) ||
2240 (term_actions == I40IWQP_TERM_SEND_TERM_ONLY))
2241 term_len = info->termlen;
2242 }
2243
2244 set_64bit_val(wqe,
2245 8,
2246 LS_64(info->new_mss, I40IW_CQPSQ_QP_NEWMSS) |
2247 LS_64(term_len, I40IW_CQPSQ_QP_TERMLEN));
2248
2249 set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
2250 set_64bit_val(wqe, 40, qp->shadow_area_pa);
2251
2252 header = qp->qp_uk.qp_id |
2253 LS_64(I40IW_CQP_OP_MODIFY_QP, I40IW_CQPSQ_OPCODE) |
2254 LS_64(info->ord_valid, I40IW_CQPSQ_QP_ORDVALID) |
2255 LS_64(info->tcp_ctx_valid, I40IW_CQPSQ_QP_TOECTXVALID) |
2256 LS_64(info->cached_var_valid, I40IW_CQPSQ_QP_CACHEDVARVALID) |
2257 LS_64(qp->virtual_map, I40IW_CQPSQ_QP_VQ) |
2258 LS_64(info->cq_num_valid, I40IW_CQPSQ_QP_CQNUMVALID) |
2259 LS_64(info->force_loopback, I40IW_CQPSQ_QP_FORCELOOPBACK) |
2260 LS_64(qp->qp_type, I40IW_CQPSQ_QP_QPTYPE) |
2261 LS_64(info->mss_change, I40IW_CQPSQ_QP_MSSCHANGE) |
2262 LS_64(info->static_rsrc, I40IW_CQPSQ_QP_STATRSRC) |
2263 LS_64(info->remove_hash_idx, I40IW_CQPSQ_QP_REMOVEHASHENTRY) |
2264 LS_64(term_actions, I40IW_CQPSQ_QP_TERMACT) |
2265 LS_64(info->reset_tcp_conn, I40IW_CQPSQ_QP_RESETCON) |
2266 LS_64(info->arp_cache_idx_valid, I40IW_CQPSQ_QP_ARPTABIDXVALID) |
2267 LS_64(info->next_iwarp_state, I40IW_CQPSQ_QP_NEXTIWSTATE) |
2268 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2269
2270 i40iw_insert_wqe_hdr(wqe, header);
2271
2272 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QP_MODIFY WQE",
2273 wqe, I40IW_CQP_WQE_SIZE * 8);
2274
2275 if (post_sq)
2276 i40iw_sc_cqp_post_sq(cqp);
2277 return 0;
2278}
2279
2280/**
2281 * i40iw_sc_qp_destroy - cqp destroy qp
2282 * @qp: sc qp
2283 * @scratch: u64 saved to be used during cqp completion
2284 * @remove_hash_idx: flag if to remove hash idx
2285 * @ignore_mw_bnd: memory window bind flag
2286 * @post_sq: flag for cqp db to ring
2287 */
2288static enum i40iw_status_code i40iw_sc_qp_destroy(
2289 struct i40iw_sc_qp *qp,
2290 u64 scratch,
2291 bool remove_hash_idx,
2292 bool ignore_mw_bnd,
2293 bool post_sq)
2294{
2295 u64 *wqe;
2296 struct i40iw_sc_cqp *cqp;
2297 u64 header;
2298
2299 cqp = qp->pd->dev->cqp;
2300 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2301 if (!wqe)
2302 return I40IW_ERR_RING_FULL;
2303 set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
2304 set_64bit_val(wqe, 40, qp->shadow_area_pa);
2305
2306 header = qp->qp_uk.qp_id |
2307 LS_64(I40IW_CQP_OP_DESTROY_QP, I40IW_CQPSQ_OPCODE) |
2308 LS_64(qp->qp_type, I40IW_CQPSQ_QP_QPTYPE) |
2309 LS_64(ignore_mw_bnd, I40IW_CQPSQ_QP_IGNOREMWBOUND) |
2310 LS_64(remove_hash_idx, I40IW_CQPSQ_QP_REMOVEHASHENTRY) |
2311 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2312
2313 i40iw_insert_wqe_hdr(wqe, header);
2314 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QP_DESTROY WQE",
2315 wqe, I40IW_CQP_WQE_SIZE * 8);
2316
2317 if (post_sq)
2318 i40iw_sc_cqp_post_sq(cqp);
2319 return 0;
2320}
2321
2322/**
2323 * i40iw_sc_qp_flush_wqes - flush qp's wqe
2324 * @qp: sc qp
2325 * @info: dlush information
2326 * @scratch: u64 saved to be used during cqp completion
2327 * @post_sq: flag for cqp db to ring
2328 */
2329static enum i40iw_status_code i40iw_sc_qp_flush_wqes(
2330 struct i40iw_sc_qp *qp,
2331 struct i40iw_qp_flush_info *info,
2332 u64 scratch,
2333 bool post_sq)
2334{
2335 u64 temp = 0;
2336 u64 *wqe;
2337 struct i40iw_sc_cqp *cqp;
2338 u64 header;
2339 bool flush_sq = false, flush_rq = false;
2340
2341 if (info->rq && !qp->flush_rq)
2342 flush_rq = true;
2343
2344 if (info->sq && !qp->flush_sq)
2345 flush_sq = true;
2346
2347 qp->flush_sq |= flush_sq;
2348 qp->flush_rq |= flush_rq;
2349 if (!flush_sq && !flush_rq) {
2350 if (info->ae_code != I40IW_AE_LLP_RECEIVED_MPA_CRC_ERROR)
2351 return 0;
2352 }
2353
2354 cqp = qp->pd->dev->cqp;
2355 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2356 if (!wqe)
2357 return I40IW_ERR_RING_FULL;
2358 if (info->userflushcode) {
2359 if (flush_rq) {
2360 temp |= LS_64(info->rq_minor_code, I40IW_CQPSQ_FWQE_RQMNERR) |
2361 LS_64(info->rq_major_code, I40IW_CQPSQ_FWQE_RQMJERR);
2362 }
2363 if (flush_sq) {
2364 temp |= LS_64(info->sq_minor_code, I40IW_CQPSQ_FWQE_SQMNERR) |
2365 LS_64(info->sq_major_code, I40IW_CQPSQ_FWQE_SQMJERR);
2366 }
2367 }
2368 set_64bit_val(wqe, 16, temp);
2369
2370 temp = (info->generate_ae) ?
2371 info->ae_code | LS_64(info->ae_source, I40IW_CQPSQ_FWQE_AESOURCE) : 0;
2372
2373 set_64bit_val(wqe, 8, temp);
2374
2375 header = qp->qp_uk.qp_id |
2376 LS_64(I40IW_CQP_OP_FLUSH_WQES, I40IW_CQPSQ_OPCODE) |
2377 LS_64(info->generate_ae, I40IW_CQPSQ_FWQE_GENERATE_AE) |
2378 LS_64(info->userflushcode, I40IW_CQPSQ_FWQE_USERFLCODE) |
2379 LS_64(flush_sq, I40IW_CQPSQ_FWQE_FLUSHSQ) |
2380 LS_64(flush_rq, I40IW_CQPSQ_FWQE_FLUSHRQ) |
2381 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2382
2383 i40iw_insert_wqe_hdr(wqe, header);
2384
2385 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "QP_FLUSH WQE",
2386 wqe, I40IW_CQP_WQE_SIZE * 8);
2387
2388 if (post_sq)
2389 i40iw_sc_cqp_post_sq(cqp);
2390 return 0;
2391}
2392
2393/**
2394 * i40iw_sc_qp_upload_context - upload qp's context
2395 * @dev: sc device struct
2396 * @info: upload context info ptr for return
2397 * @scratch: u64 saved to be used during cqp completion
2398 * @post_sq: flag for cqp db to ring
2399 */
2400static enum i40iw_status_code i40iw_sc_qp_upload_context(
2401 struct i40iw_sc_dev *dev,
2402 struct i40iw_upload_context_info *info,
2403 u64 scratch,
2404 bool post_sq)
2405{
2406 u64 *wqe;
2407 struct i40iw_sc_cqp *cqp;
2408 u64 header;
2409
2410 cqp = dev->cqp;
2411 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2412 if (!wqe)
2413 return I40IW_ERR_RING_FULL;
2414 set_64bit_val(wqe, 16, info->buf_pa);
2415
2416 header = LS_64(info->qp_id, I40IW_CQPSQ_UCTX_QPID) |
2417 LS_64(I40IW_CQP_OP_UPLOAD_CONTEXT, I40IW_CQPSQ_OPCODE) |
2418 LS_64(info->qp_type, I40IW_CQPSQ_UCTX_QPTYPE) |
2419 LS_64(info->raw_format, I40IW_CQPSQ_UCTX_RAWFORMAT) |
2420 LS_64(info->freeze_qp, I40IW_CQPSQ_UCTX_FREEZEQP) |
2421 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2422
2423 i40iw_insert_wqe_hdr(wqe, header);
2424
2425 i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "QP_UPLOAD_CTX WQE",
2426 wqe, I40IW_CQP_WQE_SIZE * 8);
2427
2428 if (post_sq)
2429 i40iw_sc_cqp_post_sq(cqp);
2430 return 0;
2431}
2432
2433/**
2434 * i40iw_sc_qp_setctx - set qp's context
2435 * @qp: sc qp
2436 * @qp_ctx: context ptr
2437 * @info: ctx info
2438 */
2439static enum i40iw_status_code i40iw_sc_qp_setctx(
2440 struct i40iw_sc_qp *qp,
2441 u64 *qp_ctx,
2442 struct i40iw_qp_host_ctx_info *info)
2443{
2444 struct i40iwarp_offload_info *iw;
2445 struct i40iw_tcp_offload_info *tcp;
2446 u64 qw0, qw3, qw7 = 0;
2447
2448 iw = info->iwarp_info;
2449 tcp = info->tcp_info;
2450 qw0 = LS_64(qp->qp_uk.rq_wqe_size, I40IWQPC_RQWQESIZE) |
2451 LS_64(info->err_rq_idx_valid, I40IWQPC_ERR_RQ_IDX_VALID) |
2452 LS_64(qp->rcv_tph_en, I40IWQPC_RCVTPHEN) |
2453 LS_64(qp->xmit_tph_en, I40IWQPC_XMITTPHEN) |
2454 LS_64(qp->rq_tph_en, I40IWQPC_RQTPHEN) |
2455 LS_64(qp->sq_tph_en, I40IWQPC_SQTPHEN) |
2456 LS_64(info->push_idx, I40IWQPC_PPIDX) |
2457 LS_64(info->push_mode_en, I40IWQPC_PMENA);
2458
2459 set_64bit_val(qp_ctx, 8, qp->sq_pa);
2460 set_64bit_val(qp_ctx, 16, qp->rq_pa);
2461
2462 qw3 = LS_64(qp->src_mac_addr_idx, I40IWQPC_SRCMACADDRIDX) |
2463 LS_64(qp->hw_rq_size, I40IWQPC_RQSIZE) |
2464 LS_64(qp->hw_sq_size, I40IWQPC_SQSIZE);
2465
2466 set_64bit_val(qp_ctx,
2467 128,
2468 LS_64(info->err_rq_idx, I40IWQPC_ERR_RQ_IDX));
2469
2470 set_64bit_val(qp_ctx,
2471 136,
2472 LS_64(info->send_cq_num, I40IWQPC_TXCQNUM) |
2473 LS_64(info->rcv_cq_num, I40IWQPC_RXCQNUM));
2474
2475 set_64bit_val(qp_ctx,
2476 168,
2477 LS_64(info->qp_compl_ctx, I40IWQPC_QPCOMPCTX));
2478 set_64bit_val(qp_ctx,
2479 176,
2480 LS_64(qp->sq_tph_val, I40IWQPC_SQTPHVAL) |
2481 LS_64(qp->rq_tph_val, I40IWQPC_RQTPHVAL) |
2482 LS_64(qp->qs_handle, I40IWQPC_QSHANDLE) |
2483 LS_64(qp->exception_lan_queue, I40IWQPC_EXCEPTION_LAN_QUEUE));
2484
2485 if (info->iwarp_info_valid) {
2486 qw0 |= LS_64(iw->ddp_ver, I40IWQPC_DDP_VER) |
2487 LS_64(iw->rdmap_ver, I40IWQPC_RDMAP_VER);
2488
2489 qw7 |= LS_64(iw->pd_id, I40IWQPC_PDIDX);
2490 set_64bit_val(qp_ctx, 144, qp->q2_pa);
2491 set_64bit_val(qp_ctx,
2492 152,
2493 LS_64(iw->last_byte_sent, I40IWQPC_LASTBYTESENT));
2494
2495 /*
2496 * Hard-code IRD_SIZE to hw-limit, 128, in qpctx, i.e matching an
2497 *advertisable IRD of 64
2498 */
2499 iw->ird_size = I40IW_QPCTX_ENCD_MAXIRD;
2500 set_64bit_val(qp_ctx,
2501 160,
2502 LS_64(iw->ord_size, I40IWQPC_ORDSIZE) |
2503 LS_64(iw->ird_size, I40IWQPC_IRDSIZE) |
2504 LS_64(iw->wr_rdresp_en, I40IWQPC_WRRDRSPOK) |
2505 LS_64(iw->rd_enable, I40IWQPC_RDOK) |
2506 LS_64(iw->snd_mark_en, I40IWQPC_SNDMARKERS) |
2507 LS_64(iw->bind_en, I40IWQPC_BINDEN) |
2508 LS_64(iw->fast_reg_en, I40IWQPC_FASTREGEN) |
2509 LS_64(iw->priv_mode_en, I40IWQPC_PRIVEN) |
2510 LS_64(1, I40IWQPC_IWARPMODE) |
2511 LS_64(iw->rcv_mark_en, I40IWQPC_RCVMARKERS) |
2512 LS_64(iw->align_hdrs, I40IWQPC_ALIGNHDRS) |
2513 LS_64(iw->rcv_no_mpa_crc, I40IWQPC_RCVNOMPACRC) |
2514 LS_64(iw->rcv_mark_offset, I40IWQPC_RCVMARKOFFSET) |
2515 LS_64(iw->snd_mark_offset, I40IWQPC_SNDMARKOFFSET));
2516 }
2517 if (info->tcp_info_valid) {
2518 qw0 |= LS_64(tcp->ipv4, I40IWQPC_IPV4) |
2519 LS_64(tcp->no_nagle, I40IWQPC_NONAGLE) |
2520 LS_64(tcp->insert_vlan_tag, I40IWQPC_INSERTVLANTAG) |
2521 LS_64(tcp->time_stamp, I40IWQPC_TIMESTAMP) |
2522 LS_64(tcp->cwnd_inc_limit, I40IWQPC_LIMIT) |
2523 LS_64(tcp->drop_ooo_seg, I40IWQPC_DROPOOOSEG) |
2524 LS_64(tcp->dup_ack_thresh, I40IWQPC_DUPACK_THRESH);
2525
2526 qw3 |= LS_64(tcp->ttl, I40IWQPC_TTL) |
2527 LS_64(tcp->src_mac_addr_idx, I40IWQPC_SRCMACADDRIDX) |
2528 LS_64(tcp->avoid_stretch_ack, I40IWQPC_AVOIDSTRETCHACK) |
2529 LS_64(tcp->tos, I40IWQPC_TOS) |
2530 LS_64(tcp->src_port, I40IWQPC_SRCPORTNUM) |
2531 LS_64(tcp->dst_port, I40IWQPC_DESTPORTNUM);
2532
2533 qp->src_mac_addr_idx = tcp->src_mac_addr_idx;
2534 set_64bit_val(qp_ctx,
2535 32,
2536 LS_64(tcp->dest_ip_addr2, I40IWQPC_DESTIPADDR2) |
2537 LS_64(tcp->dest_ip_addr3, I40IWQPC_DESTIPADDR3));
2538
2539 set_64bit_val(qp_ctx,
2540 40,
2541 LS_64(tcp->dest_ip_addr0, I40IWQPC_DESTIPADDR0) |
2542 LS_64(tcp->dest_ip_addr1, I40IWQPC_DESTIPADDR1));
2543
2544 set_64bit_val(qp_ctx,
2545 48,
2546 LS_64(tcp->snd_mss, I40IWQPC_SNDMSS) |
2547 LS_64(tcp->vlan_tag, I40IWQPC_VLANTAG) |
2548 LS_64(tcp->arp_idx, I40IWQPC_ARPIDX));
2549
2550 qw7 |= LS_64(tcp->flow_label, I40IWQPC_FLOWLABEL) |
2551 LS_64(tcp->wscale, I40IWQPC_WSCALE) |
2552 LS_64(tcp->ignore_tcp_opt, I40IWQPC_IGNORE_TCP_OPT) |
2553 LS_64(tcp->ignore_tcp_uns_opt, I40IWQPC_IGNORE_TCP_UNS_OPT) |
2554 LS_64(tcp->tcp_state, I40IWQPC_TCPSTATE) |
2555 LS_64(tcp->rcv_wscale, I40IWQPC_RCVSCALE) |
2556 LS_64(tcp->snd_wscale, I40IWQPC_SNDSCALE);
2557
2558 set_64bit_val(qp_ctx,
2559 72,
2560 LS_64(tcp->time_stamp_recent, I40IWQPC_TIMESTAMP_RECENT) |
2561 LS_64(tcp->time_stamp_age, I40IWQPC_TIMESTAMP_AGE));
2562 set_64bit_val(qp_ctx,
2563 80,
2564 LS_64(tcp->snd_nxt, I40IWQPC_SNDNXT) |
2565 LS_64(tcp->snd_wnd, I40IWQPC_SNDWND));
2566
2567 set_64bit_val(qp_ctx,
2568 88,
2569 LS_64(tcp->rcv_nxt, I40IWQPC_RCVNXT) |
2570 LS_64(tcp->rcv_wnd, I40IWQPC_RCVWND));
2571 set_64bit_val(qp_ctx,
2572 96,
2573 LS_64(tcp->snd_max, I40IWQPC_SNDMAX) |
2574 LS_64(tcp->snd_una, I40IWQPC_SNDUNA));
2575 set_64bit_val(qp_ctx,
2576 104,
2577 LS_64(tcp->srtt, I40IWQPC_SRTT) |
2578 LS_64(tcp->rtt_var, I40IWQPC_RTTVAR));
2579 set_64bit_val(qp_ctx,
2580 112,
2581 LS_64(tcp->ss_thresh, I40IWQPC_SSTHRESH) |
2582 LS_64(tcp->cwnd, I40IWQPC_CWND));
2583 set_64bit_val(qp_ctx,
2584 120,
2585 LS_64(tcp->snd_wl1, I40IWQPC_SNDWL1) |
2586 LS_64(tcp->snd_wl2, I40IWQPC_SNDWL2));
2587 set_64bit_val(qp_ctx,
2588 128,
2589 LS_64(tcp->max_snd_window, I40IWQPC_MAXSNDWND) |
2590 LS_64(tcp->rexmit_thresh, I40IWQPC_REXMIT_THRESH));
2591 set_64bit_val(qp_ctx,
2592 184,
2593 LS_64(tcp->local_ipaddr3, I40IWQPC_LOCAL_IPADDR3) |
2594 LS_64(tcp->local_ipaddr2, I40IWQPC_LOCAL_IPADDR2));
2595 set_64bit_val(qp_ctx,
2596 192,
2597 LS_64(tcp->local_ipaddr1, I40IWQPC_LOCAL_IPADDR1) |
2598 LS_64(tcp->local_ipaddr0, I40IWQPC_LOCAL_IPADDR0));
2599 }
2600
2601 set_64bit_val(qp_ctx, 0, qw0);
2602 set_64bit_val(qp_ctx, 24, qw3);
2603 set_64bit_val(qp_ctx, 56, qw7);
2604
2605 i40iw_debug_buf(qp->dev, I40IW_DEBUG_WQE, "QP_HOST)CTX WQE",
2606 qp_ctx, I40IW_QP_CTX_SIZE);
2607 return 0;
2608}
2609
2610/**
2611 * i40iw_sc_alloc_stag - mr stag alloc
2612 * @dev: sc device struct
2613 * @info: stag info
2614 * @scratch: u64 saved to be used during cqp completion
2615 * @post_sq: flag for cqp db to ring
2616 */
2617static enum i40iw_status_code i40iw_sc_alloc_stag(
2618 struct i40iw_sc_dev *dev,
2619 struct i40iw_allocate_stag_info *info,
2620 u64 scratch,
2621 bool post_sq)
2622{
2623 u64 *wqe;
2624 struct i40iw_sc_cqp *cqp;
2625 u64 header;
2626
2627 cqp = dev->cqp;
2628 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2629 if (!wqe)
2630 return I40IW_ERR_RING_FULL;
2631 set_64bit_val(wqe,
2632 8,
2633 LS_64(info->pd_id, I40IW_CQPSQ_STAG_PDID) |
2634 LS_64(info->total_len, I40IW_CQPSQ_STAG_STAGLEN));
2635 set_64bit_val(wqe,
2636 16,
2637 LS_64(info->stag_idx, I40IW_CQPSQ_STAG_IDX));
2638 set_64bit_val(wqe,
2639 40,
2640 LS_64(info->hmc_fcn_index, I40IW_CQPSQ_STAG_HMCFNIDX));
2641
2642 header = LS_64(I40IW_CQP_OP_ALLOC_STAG, I40IW_CQPSQ_OPCODE) |
2643 LS_64(1, I40IW_CQPSQ_STAG_MR) |
2644 LS_64(info->access_rights, I40IW_CQPSQ_STAG_ARIGHTS) |
2645 LS_64(info->chunk_size, I40IW_CQPSQ_STAG_LPBLSIZE) |
2646 LS_64(info->page_size, I40IW_CQPSQ_STAG_HPAGESIZE) |
2647 LS_64(info->remote_access, I40IW_CQPSQ_STAG_REMACCENABLED) |
2648 LS_64(info->use_hmc_fcn_index, I40IW_CQPSQ_STAG_USEHMCFNIDX) |
2649 LS_64(info->use_pf_rid, I40IW_CQPSQ_STAG_USEPFRID) |
2650 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2651
2652 i40iw_insert_wqe_hdr(wqe, header);
2653
2654 i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "ALLOC_STAG WQE",
2655 wqe, I40IW_CQP_WQE_SIZE * 8);
2656
2657 if (post_sq)
2658 i40iw_sc_cqp_post_sq(cqp);
2659 return 0;
2660}
2661
2662/**
2663 * i40iw_sc_mr_reg_non_shared - non-shared mr registration
2664 * @dev: sc device struct
2665 * @info: mr info
2666 * @scratch: u64 saved to be used during cqp completion
2667 * @post_sq: flag for cqp db to ring
2668 */
2669static enum i40iw_status_code i40iw_sc_mr_reg_non_shared(
2670 struct i40iw_sc_dev *dev,
2671 struct i40iw_reg_ns_stag_info *info,
2672 u64 scratch,
2673 bool post_sq)
2674{
2675 u64 *wqe;
2676 u64 temp;
2677 struct i40iw_sc_cqp *cqp;
2678 u64 header;
2679 u32 pble_obj_cnt;
2680 bool remote_access;
2681 u8 addr_type;
2682
2683 if (info->access_rights & (I40IW_ACCESS_FLAGS_REMOTEREAD_ONLY |
2684 I40IW_ACCESS_FLAGS_REMOTEWRITE_ONLY))
2685 remote_access = true;
2686 else
2687 remote_access = false;
2688
2689 pble_obj_cnt = dev->hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt;
2690
2691 if (info->chunk_size && (info->first_pm_pbl_index >= pble_obj_cnt))
2692 return I40IW_ERR_INVALID_PBLE_INDEX;
2693
2694 cqp = dev->cqp;
2695 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2696 if (!wqe)
2697 return I40IW_ERR_RING_FULL;
2698
2699 temp = (info->addr_type == I40IW_ADDR_TYPE_VA_BASED) ? (uintptr_t)info->va : info->fbo;
2700 set_64bit_val(wqe, 0, temp);
2701
2702 set_64bit_val(wqe,
2703 8,
2704 LS_64(info->total_len, I40IW_CQPSQ_STAG_STAGLEN) |
2705 LS_64(info->pd_id, I40IW_CQPSQ_STAG_PDID));
2706
2707 set_64bit_val(wqe,
2708 16,
2709 LS_64(info->stag_key, I40IW_CQPSQ_STAG_KEY) |
2710 LS_64(info->stag_idx, I40IW_CQPSQ_STAG_IDX));
2711 if (!info->chunk_size) {
2712 set_64bit_val(wqe, 32, info->reg_addr_pa);
2713 set_64bit_val(wqe, 48, 0);
2714 } else {
2715 set_64bit_val(wqe, 32, 0);
2716 set_64bit_val(wqe, 48, info->first_pm_pbl_index);
2717 }
2718 set_64bit_val(wqe, 40, info->hmc_fcn_index);
2719 set_64bit_val(wqe, 56, 0);
2720
2721 addr_type = (info->addr_type == I40IW_ADDR_TYPE_VA_BASED) ? 1 : 0;
2722 header = LS_64(I40IW_CQP_OP_REG_MR, I40IW_CQPSQ_OPCODE) |
2723 LS_64(1, I40IW_CQPSQ_STAG_MR) |
2724 LS_64(info->chunk_size, I40IW_CQPSQ_STAG_LPBLSIZE) |
2725 LS_64(info->page_size, I40IW_CQPSQ_STAG_HPAGESIZE) |
2726 LS_64(info->access_rights, I40IW_CQPSQ_STAG_ARIGHTS) |
2727 LS_64(remote_access, I40IW_CQPSQ_STAG_REMACCENABLED) |
2728 LS_64(addr_type, I40IW_CQPSQ_STAG_VABASEDTO) |
2729 LS_64(info->use_hmc_fcn_index, I40IW_CQPSQ_STAG_USEHMCFNIDX) |
2730 LS_64(info->use_pf_rid, I40IW_CQPSQ_STAG_USEPFRID) |
2731 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2732
2733 i40iw_insert_wqe_hdr(wqe, header);
2734
2735 i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "MR_REG_NS WQE",
2736 wqe, I40IW_CQP_WQE_SIZE * 8);
2737
2738 if (post_sq)
2739 i40iw_sc_cqp_post_sq(cqp);
2740 return 0;
2741}
2742
2743/**
2744 * i40iw_sc_mr_reg_shared - registered shared memory region
2745 * @dev: sc device struct
2746 * @info: info for shared memory registeration
2747 * @scratch: u64 saved to be used during cqp completion
2748 * @post_sq: flag for cqp db to ring
2749 */
2750static enum i40iw_status_code i40iw_sc_mr_reg_shared(
2751 struct i40iw_sc_dev *dev,
2752 struct i40iw_register_shared_stag *info,
2753 u64 scratch,
2754 bool post_sq)
2755{
2756 u64 *wqe;
2757 struct i40iw_sc_cqp *cqp;
2758 u64 temp, va64, fbo, header;
2759 u32 va32;
2760 bool remote_access;
2761 u8 addr_type;
2762
2763 if (info->access_rights & (I40IW_ACCESS_FLAGS_REMOTEREAD_ONLY |
2764 I40IW_ACCESS_FLAGS_REMOTEWRITE_ONLY))
2765 remote_access = true;
2766 else
2767 remote_access = false;
2768 cqp = dev->cqp;
2769 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2770 if (!wqe)
2771 return I40IW_ERR_RING_FULL;
2772 va64 = (uintptr_t)(info->va);
2773 va32 = (u32)(va64 & 0x00000000FFFFFFFF);
2774 fbo = (u64)(va32 & (4096 - 1));
2775
2776 set_64bit_val(wqe,
2777 0,
2778 (info->addr_type == I40IW_ADDR_TYPE_VA_BASED ? (uintptr_t)info->va : fbo));
2779
2780 set_64bit_val(wqe,
2781 8,
2782 LS_64(info->pd_id, I40IW_CQPSQ_STAG_PDID));
2783 temp = LS_64(info->new_stag_key, I40IW_CQPSQ_STAG_KEY) |
2784 LS_64(info->new_stag_idx, I40IW_CQPSQ_STAG_IDX) |
2785 LS_64(info->parent_stag_idx, I40IW_CQPSQ_STAG_PARENTSTAGIDX);
2786 set_64bit_val(wqe, 16, temp);
2787
2788 addr_type = (info->addr_type == I40IW_ADDR_TYPE_VA_BASED) ? 1 : 0;
2789 header = LS_64(I40IW_CQP_OP_REG_SMR, I40IW_CQPSQ_OPCODE) |
2790 LS_64(1, I40IW_CQPSQ_STAG_MR) |
2791 LS_64(info->access_rights, I40IW_CQPSQ_STAG_ARIGHTS) |
2792 LS_64(remote_access, I40IW_CQPSQ_STAG_REMACCENABLED) |
2793 LS_64(addr_type, I40IW_CQPSQ_STAG_VABASEDTO) |
2794 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2795
2796 i40iw_insert_wqe_hdr(wqe, header);
2797
2798 i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "MR_REG_SHARED WQE",
2799 wqe, I40IW_CQP_WQE_SIZE * 8);
2800
2801 if (post_sq)
2802 i40iw_sc_cqp_post_sq(cqp);
2803 return 0;
2804}
2805
2806/**
2807 * i40iw_sc_dealloc_stag - deallocate stag
2808 * @dev: sc device struct
2809 * @info: dealloc stag info
2810 * @scratch: u64 saved to be used during cqp completion
2811 * @post_sq: flag for cqp db to ring
2812 */
2813static enum i40iw_status_code i40iw_sc_dealloc_stag(
2814 struct i40iw_sc_dev *dev,
2815 struct i40iw_dealloc_stag_info *info,
2816 u64 scratch,
2817 bool post_sq)
2818{
2819 u64 header;
2820 u64 *wqe;
2821 struct i40iw_sc_cqp *cqp;
2822
2823 cqp = dev->cqp;
2824 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2825 if (!wqe)
2826 return I40IW_ERR_RING_FULL;
2827 set_64bit_val(wqe,
2828 8,
2829 LS_64(info->pd_id, I40IW_CQPSQ_STAG_PDID));
2830 set_64bit_val(wqe,
2831 16,
2832 LS_64(info->stag_idx, I40IW_CQPSQ_STAG_IDX));
2833
2834 header = LS_64(I40IW_CQP_OP_DEALLOC_STAG, I40IW_CQPSQ_OPCODE) |
2835 LS_64(info->mr, I40IW_CQPSQ_STAG_MR) |
2836 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2837
2838 i40iw_insert_wqe_hdr(wqe, header);
2839
2840 i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "DEALLOC_STAG WQE",
2841 wqe, I40IW_CQP_WQE_SIZE * 8);
2842
2843 if (post_sq)
2844 i40iw_sc_cqp_post_sq(cqp);
2845 return 0;
2846}
2847
2848/**
2849 * i40iw_sc_query_stag - query hardware for stag
2850 * @dev: sc device struct
2851 * @scratch: u64 saved to be used during cqp completion
2852 * @stag_index: stag index for query
2853 * @post_sq: flag for cqp db to ring
2854 */
2855static enum i40iw_status_code i40iw_sc_query_stag(struct i40iw_sc_dev *dev,
2856 u64 scratch,
2857 u32 stag_index,
2858 bool post_sq)
2859{
2860 u64 header;
2861 u64 *wqe;
2862 struct i40iw_sc_cqp *cqp;
2863
2864 cqp = dev->cqp;
2865 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2866 if (!wqe)
2867 return I40IW_ERR_RING_FULL;
2868 set_64bit_val(wqe,
2869 16,
2870 LS_64(stag_index, I40IW_CQPSQ_QUERYSTAG_IDX));
2871
2872 header = LS_64(I40IW_CQP_OP_QUERY_STAG, I40IW_CQPSQ_OPCODE) |
2873 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2874
2875 i40iw_insert_wqe_hdr(wqe, header);
2876
2877 i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "QUERY_STAG WQE",
2878 wqe, I40IW_CQP_WQE_SIZE * 8);
2879
2880 if (post_sq)
2881 i40iw_sc_cqp_post_sq(cqp);
2882 return 0;
2883}
2884
2885/**
2886 * i40iw_sc_mw_alloc - mw allocate
2887 * @dev: sc device struct
2888 * @scratch: u64 saved to be used during cqp completion
2889 * @mw_stag_index:stag index
2890 * @pd_id: pd is for this mw
2891 * @post_sq: flag for cqp db to ring
2892 */
2893static enum i40iw_status_code i40iw_sc_mw_alloc(
2894 struct i40iw_sc_dev *dev,
2895 u64 scratch,
2896 u32 mw_stag_index,
2897 u16 pd_id,
2898 bool post_sq)
2899{
2900 u64 header;
2901 struct i40iw_sc_cqp *cqp;
2902 u64 *wqe;
2903
2904 cqp = dev->cqp;
2905 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
2906 if (!wqe)
2907 return I40IW_ERR_RING_FULL;
2908 set_64bit_val(wqe, 8, LS_64(pd_id, I40IW_CQPSQ_STAG_PDID));
2909 set_64bit_val(wqe,
2910 16,
2911 LS_64(mw_stag_index, I40IW_CQPSQ_STAG_IDX));
2912
2913 header = LS_64(I40IW_CQP_OP_ALLOC_STAG, I40IW_CQPSQ_OPCODE) |
2914 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
2915
2916 i40iw_insert_wqe_hdr(wqe, header);
2917
2918 i40iw_debug_buf(dev, I40IW_DEBUG_WQE, "MW_ALLOC WQE",
2919 wqe, I40IW_CQP_WQE_SIZE * 8);
2920
2921 if (post_sq)
2922 i40iw_sc_cqp_post_sq(cqp);
2923 return 0;
2924}
2925
b7aee855
IM		 2926/**
2927 * i40iw_sc_mr_fast_register - Posts RDMA fast register mr WR to iwarp qp
2928 * @qp: sc qp struct
2929 * @info: fast mr info
2930 * @post_sq: flag for cqp db to ring
2931 */
2932enum i40iw_status_code i40iw_sc_mr_fast_register(
2933 struct i40iw_sc_qp *qp,
2934 struct i40iw_fast_reg_stag_info *info,
2935 bool post_sq)
2936{
2937 u64 temp, header;
2938 u64 *wqe;
2939 u32 wqe_idx;
2940
2941 wqe = i40iw_qp_get_next_send_wqe(&qp->qp_uk, &wqe_idx, I40IW_QP_WQE_MIN_SIZE,
2942 0, info->wr_id);
2943 if (!wqe)
2944 return I40IW_ERR_QP_TOOMANY_WRS_POSTED;
2945
2946 i40iw_debug(qp->dev, I40IW_DEBUG_MR, "%s: wr_id[%llxh] wqe_idx[%04d] location[%p]\n",
2947 __func__, info->wr_id, wqe_idx,
2948 &qp->qp_uk.sq_wrtrk_array[wqe_idx].wrid);
2949 temp = (info->addr_type == I40IW_ADDR_TYPE_VA_BASED) ? (uintptr_t)info->va : info->fbo;
2950 set_64bit_val(wqe, 0, temp);
2951
2952 temp = RS_64(info->first_pm_pbl_index >> 16, I40IWQPSQ_FIRSTPMPBLIDXHI);
2953 set_64bit_val(wqe,
2954 8,
2955 LS_64(temp, I40IWQPSQ_FIRSTPMPBLIDXHI) |
2956 LS_64(info->reg_addr_pa >> I40IWQPSQ_PBLADDR_SHIFT, I40IWQPSQ_PBLADDR));
2957
2958 set_64bit_val(wqe,
2959 16,
2960 info->total_len |
2961 LS_64(info->first_pm_pbl_index, I40IWQPSQ_FIRSTPMPBLIDXLO));
2962
2963 header = LS_64(info->stag_key, I40IWQPSQ_STAGKEY) |
2964 LS_64(info->stag_idx, I40IWQPSQ_STAGINDEX) |
2965 LS_64(I40IWQP_OP_FAST_REGISTER, I40IWQPSQ_OPCODE) |
2966 LS_64(info->chunk_size, I40IWQPSQ_LPBLSIZE) |
2967 LS_64(info->page_size, I40IWQPSQ_HPAGESIZE) |
2968 LS_64(info->access_rights, I40IWQPSQ_STAGRIGHTS) |
2969 LS_64(info->addr_type, I40IWQPSQ_VABASEDTO) |
2970 LS_64(info->read_fence, I40IWQPSQ_READFENCE) |
2971 LS_64(info->local_fence, I40IWQPSQ_LOCALFENCE) |
2972 LS_64(info->signaled, I40IWQPSQ_SIGCOMPL) |
2973 LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
2974
2975 i40iw_insert_wqe_hdr(wqe, header);
2976
2977 i40iw_debug_buf(qp->dev, I40IW_DEBUG_WQE, "FAST_REG WQE",
2978 wqe, I40IW_QP_WQE_MIN_SIZE);
2979
2980 if (post_sq)
2981 i40iw_qp_post_wr(&qp->qp_uk);
2982 return 0;
2983}
2984
86dbcd0f
FL		 2985/**
2986 * i40iw_sc_send_lsmm - send last streaming mode message
2987 * @qp: sc qp struct
2988 * @lsmm_buf: buffer with lsmm message
2989 * @size: size of lsmm buffer
2990 * @stag: stag of lsmm buffer
2991 */
2992static void i40iw_sc_send_lsmm(struct i40iw_sc_qp *qp,
2993 void *lsmm_buf,
2994 u32 size,
2995 i40iw_stag stag)
2996{
2997 u64 *wqe;
2998 u64 header;
2999 struct i40iw_qp_uk *qp_uk;
3000
3001 qp_uk = &qp->qp_uk;
3002 wqe = qp_uk->sq_base->elem;
3003
3004 set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf);
3005
3006 set_64bit_val(wqe, 8, (size | LS_64(stag, I40IWQPSQ_FRAG_STAG)));
3007
3008 set_64bit_val(wqe, 16, 0);
3009
3010 header = LS_64(I40IWQP_OP_RDMA_SEND, I40IWQPSQ_OPCODE) |
3011 LS_64(1, I40IWQPSQ_STREAMMODE) |
3012 LS_64(1, I40IWQPSQ_WAITFORRCVPDU) |
3013 LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
3014
3015 i40iw_insert_wqe_hdr(wqe, header);
3016
3017 i40iw_debug_buf(qp->dev, I40IW_DEBUG_QP, "SEND_LSMM WQE",
3018 wqe, I40IW_QP_WQE_MIN_SIZE);
3019}
3020
3021/**
3022 * i40iw_sc_send_lsmm_nostag - for privilege qp
3023 * @qp: sc qp struct
3024 * @lsmm_buf: buffer with lsmm message
3025 * @size: size of lsmm buffer
3026 */
3027static void i40iw_sc_send_lsmm_nostag(struct i40iw_sc_qp *qp,
3028 void *lsmm_buf,
3029 u32 size)
3030{
3031 u64 *wqe;
3032 u64 header;
3033 struct i40iw_qp_uk *qp_uk;
3034
3035 qp_uk = &qp->qp_uk;
3036 wqe = qp_uk->sq_base->elem;
3037
3038 set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf);
3039
3040 set_64bit_val(wqe, 8, size);
3041
3042 set_64bit_val(wqe, 16, 0);
3043
3044 header = LS_64(I40IWQP_OP_RDMA_SEND, I40IWQPSQ_OPCODE) |
3045 LS_64(1, I40IWQPSQ_STREAMMODE) |
3046 LS_64(1, I40IWQPSQ_WAITFORRCVPDU) |
3047 LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
3048
3049 i40iw_insert_wqe_hdr(wqe, header);
3050
3051 i40iw_debug_buf(qp->dev, I40IW_DEBUG_WQE, "SEND_LSMM_NOSTAG WQE",
3052 wqe, I40IW_QP_WQE_MIN_SIZE);
3053}
3054
3055/**
3056 * i40iw_sc_send_rtt - send last read0 or write0
3057 * @qp: sc qp struct
3058 * @read: Do read0 or write0
3059 */
3060static void i40iw_sc_send_rtt(struct i40iw_sc_qp *qp, bool read)
3061{
3062 u64 *wqe;
3063 u64 header;
3064 struct i40iw_qp_uk *qp_uk;
3065
3066 qp_uk = &qp->qp_uk;
3067 wqe = qp_uk->sq_base->elem;
3068
3069 set_64bit_val(wqe, 0, 0);
3070 set_64bit_val(wqe, 8, 0);
3071 set_64bit_val(wqe, 16, 0);
3072 if (read) {
3073 header = LS_64(0x1234, I40IWQPSQ_REMSTAG) |
3074 LS_64(I40IWQP_OP_RDMA_READ, I40IWQPSQ_OPCODE) |
3075 LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
3076 set_64bit_val(wqe, 8, ((u64)0xabcd << 32));
3077 } else {
3078 header = LS_64(I40IWQP_OP_RDMA_WRITE, I40IWQPSQ_OPCODE) |
3079 LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
3080 }
3081
3082 i40iw_insert_wqe_hdr(wqe, header);
3083
3084 i40iw_debug_buf(qp->dev, I40IW_DEBUG_WQE, "RTR WQE",
3085 wqe, I40IW_QP_WQE_MIN_SIZE);
3086}
3087
3088/**
3089 * i40iw_sc_post_wqe0 - send wqe with opcode
3090 * @qp: sc qp struct
3091 * @opcode: opcode to use for wqe0
3092 */
3093static enum i40iw_status_code i40iw_sc_post_wqe0(struct i40iw_sc_qp *qp, u8 opcode)
3094{
3095 u64 *wqe;
3096 u64 header;
3097 struct i40iw_qp_uk *qp_uk;
3098
3099 qp_uk = &qp->qp_uk;
3100 wqe = qp_uk->sq_base->elem;
3101
3102 if (!wqe)
3103 return I40IW_ERR_QP_TOOMANY_WRS_POSTED;
3104 switch (opcode) {
3105 case I40IWQP_OP_NOP:
3106 set_64bit_val(wqe, 0, 0);
3107 set_64bit_val(wqe, 8, 0);
3108 set_64bit_val(wqe, 16, 0);
3109 header = LS_64(I40IWQP_OP_NOP, I40IWQPSQ_OPCODE) |
3110 LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID);
3111
3112 i40iw_insert_wqe_hdr(wqe, header);
3113 break;
3114 case I40IWQP_OP_RDMA_SEND:
3115 set_64bit_val(wqe, 0, 0);
3116 set_64bit_val(wqe, 8, 0);
3117 set_64bit_val(wqe, 16, 0);
3118 header = LS_64(I40IWQP_OP_RDMA_SEND, I40IWQPSQ_OPCODE) |
3119 LS_64(qp->qp_uk.swqe_polarity, I40IWQPSQ_VALID) |
3120 LS_64(1, I40IWQPSQ_STREAMMODE) |
3121 LS_64(1, I40IWQPSQ_WAITFORRCVPDU);
3122
3123 i40iw_insert_wqe_hdr(wqe, header);
3124 break;
3125 default:
3126 i40iw_debug(qp->dev, I40IW_DEBUG_QP, "%s: Invalid WQE zero opcode\n",
3127 __func__);
3128 break;
3129 }
3130 return 0;
3131}
3132
3133/**
3134 * i40iw_sc_init_iw_hmc() - queries fpm values using cqp and populates hmc_info
3135 * @dev : ptr to i40iw_dev struct
3136 * @hmc_fn_id: hmc function id
3137 */
3138enum i40iw_status_code i40iw_sc_init_iw_hmc(struct i40iw_sc_dev *dev, u8 hmc_fn_id)
3139{
3140 struct i40iw_hmc_info *hmc_info;
3141 struct i40iw_dma_mem query_fpm_mem;
3142 struct i40iw_virt_mem virt_mem;
3143 struct i40iw_vfdev *vf_dev = NULL;
3144 u32 mem_size;
3145 enum i40iw_status_code ret_code = 0;
3146 bool poll_registers = true;
3147 u16 iw_vf_idx;
3148 u8 wait_type;
3149
3150 if (hmc_fn_id >= I40IW_MAX_VF_FPM_ID ||
3151 (dev->hmc_fn_id != hmc_fn_id && hmc_fn_id < I40IW_FIRST_VF_FPM_ID))
3152 return I40IW_ERR_INVALID_HMCFN_ID;
3153
3154 i40iw_debug(dev, I40IW_DEBUG_HMC, "hmc_fn_id %u, dev->hmc_fn_id %u\n", hmc_fn_id,
3155 dev->hmc_fn_id);
3156 if (hmc_fn_id == dev->hmc_fn_id) {
3157 hmc_info = dev->hmc_info;
3158 query_fpm_mem.pa = dev->fpm_query_buf_pa;
3159 query_fpm_mem.va = dev->fpm_query_buf;
3160 } else {
3161 vf_dev = i40iw_vfdev_from_fpm(dev, hmc_fn_id);
3162 if (!vf_dev)
3163 return I40IW_ERR_INVALID_VF_ID;
3164
3165 hmc_info = &vf_dev->hmc_info;
3166 iw_vf_idx = vf_dev->iw_vf_idx;
3167 i40iw_debug(dev, I40IW_DEBUG_HMC, "vf_dev %p, hmc_info %p, hmc_obj %p\n", vf_dev,
3168 hmc_info, hmc_info->hmc_obj);
3169 if (!vf_dev->fpm_query_buf) {
3170 if (!dev->vf_fpm_query_buf[iw_vf_idx].va) {
3171 ret_code = i40iw_alloc_query_fpm_buf(dev,
3172 &dev->vf_fpm_query_buf[iw_vf_idx]);
3173 if (ret_code)
3174 return ret_code;
3175 }
3176 vf_dev->fpm_query_buf = dev->vf_fpm_query_buf[iw_vf_idx].va;
3177 vf_dev->fpm_query_buf_pa = dev->vf_fpm_query_buf[iw_vf_idx].pa;
3178 }
3179 query_fpm_mem.pa = vf_dev->fpm_query_buf_pa;
3180 query_fpm_mem.va = vf_dev->fpm_query_buf;
3181 /**
3182 * It is HARDWARE specific:
3183 * this call is done by PF for VF and
3184 * i40iw_sc_query_fpm_values needs ccq poll
3185 * because PF ccq is already created.
3186 */
3187 poll_registers = false;
3188 }
3189
3190 hmc_info->hmc_fn_id = hmc_fn_id;
3191
3192 if (hmc_fn_id != dev->hmc_fn_id) {
3193 ret_code =
3194 i40iw_cqp_query_fpm_values_cmd(dev, &query_fpm_mem, hmc_fn_id);
3195 } else {
3196 wait_type = poll_registers ? (u8)I40IW_CQP_WAIT_POLL_REGS :
3197 (u8)I40IW_CQP_WAIT_POLL_CQ;
3198
3199 ret_code = i40iw_sc_query_fpm_values(
3200 dev->cqp,
3201 0,
3202 hmc_info->hmc_fn_id,
3203 &query_fpm_mem,
3204 true,
3205 wait_type);
3206 }
3207 if (ret_code)
3208 return ret_code;
3209
3210 /* parse the fpm_query_buf and fill hmc obj info */
3211 ret_code =
3212 i40iw_sc_parse_fpm_query_buf((u64 *)query_fpm_mem.va,
3213 hmc_info,
3214 &dev->hmc_fpm_misc);
3215 if (ret_code)
3216 return ret_code;
3217 i40iw_debug_buf(dev, I40IW_DEBUG_HMC, "QUERY FPM BUFFER",
3218 query_fpm_mem.va, I40IW_QUERY_FPM_BUF_SIZE);
3219
3220 if (hmc_fn_id != dev->hmc_fn_id) {
3221 i40iw_cqp_commit_fpm_values_cmd(dev, &query_fpm_mem, hmc_fn_id);
3222
3223 /* parse the fpm_commit_buf and fill hmc obj info */
fa415379 3224 i40iw_sc_parse_fpm_commit_buf((u64 *)query_fpm_mem.va, hmc_info->hmc_obj, &hmc_info->sd_table.sd_cnt);
86dbcd0f
FL		 3225 mem_size = sizeof(struct i40iw_hmc_sd_entry) *
3226 (hmc_info->sd_table.sd_cnt + hmc_info->first_sd_index);
3227 ret_code = i40iw_allocate_virt_mem(dev->hw, &virt_mem, mem_size);
3228 if (ret_code)
3229 return ret_code;
3230 hmc_info->sd_table.sd_entry = virt_mem.va;
3231 }
3232
3233 /* fill size of objects which are fixed */
3234 hmc_info->hmc_obj[I40IW_HMC_IW_XFFL].size = 4;
3235 hmc_info->hmc_obj[I40IW_HMC_IW_Q1FL].size = 4;
3236 hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].size = 8;
3237 hmc_info->hmc_obj[I40IW_HMC_IW_APBVT_ENTRY].size = 8192;
3238 hmc_info->hmc_obj[I40IW_HMC_IW_APBVT_ENTRY].max_cnt = 1;
3239
3240 return ret_code;
3241}
3242
3243/**
3244 * i40iw_sc_configure_iw_fpm() - commits hmc obj cnt values using cqp command and
3245 * populates fpm base address in hmc_info
3246 * @dev : ptr to i40iw_dev struct
3247 * @hmc_fn_id: hmc function id
3248 */
3249static enum i40iw_status_code i40iw_sc_configure_iw_fpm(struct i40iw_sc_dev *dev,
3250 u8 hmc_fn_id)
3251{
3252 struct i40iw_hmc_info *hmc_info;
3253 struct i40iw_hmc_obj_info *obj_info;
3254 u64 *buf;
3255 struct i40iw_dma_mem commit_fpm_mem;
3256 u32 i, j;
3257 enum i40iw_status_code ret_code = 0;
3258 bool poll_registers = true;
3259 u8 wait_type;
3260
3261 if (hmc_fn_id >= I40IW_MAX_VF_FPM_ID ||
3262 (dev->hmc_fn_id != hmc_fn_id && hmc_fn_id < I40IW_FIRST_VF_FPM_ID))
3263 return I40IW_ERR_INVALID_HMCFN_ID;
3264
3265 if (hmc_fn_id == dev->hmc_fn_id) {
3266 hmc_info = dev->hmc_info;
3267 } else {
3268 hmc_info = i40iw_vf_hmcinfo_from_fpm(dev, hmc_fn_id);
3269 poll_registers = false;
3270 }
3271 if (!hmc_info)
3272 return I40IW_ERR_BAD_PTR;
3273
3274 obj_info = hmc_info->hmc_obj;
3275 buf = dev->fpm_commit_buf;
3276
3277 /* copy cnt values in commit buf */
3278 for (i = I40IW_HMC_IW_QP, j = 0; i <= I40IW_HMC_IW_PBLE;
3279 i++, j += 8)
3280 set_64bit_val(buf, j, (u64)obj_info[i].cnt);
3281
3282 set_64bit_val(buf, 40, 0); /* APBVT rsvd */
3283
3284 commit_fpm_mem.pa = dev->fpm_commit_buf_pa;
3285 commit_fpm_mem.va = dev->fpm_commit_buf;
3286 wait_type = poll_registers ? (u8)I40IW_CQP_WAIT_POLL_REGS :
3287 (u8)I40IW_CQP_WAIT_POLL_CQ;
3288 ret_code = i40iw_sc_commit_fpm_values(
3289 dev->cqp,
3290 0,
3291 hmc_info->hmc_fn_id,
3292 &commit_fpm_mem,
3293 true,
3294 wait_type);
3295
3296 /* parse the fpm_commit_buf and fill hmc obj info */
3297 if (!ret_code)
fa415379
IM		 3298 ret_code = i40iw_sc_parse_fpm_commit_buf(dev->fpm_commit_buf,
3299 hmc_info->hmc_obj,
3300 &hmc_info->sd_table.sd_cnt);
86dbcd0f
FL		 3301
3302 i40iw_debug_buf(dev, I40IW_DEBUG_HMC, "COMMIT FPM BUFFER",
3303 commit_fpm_mem.va, I40IW_COMMIT_FPM_BUF_SIZE);
3304
3305 return ret_code;
3306}
3307
3308/**
3309 * cqp_sds_wqe_fill - fill cqp wqe doe sd
3310 * @cqp: struct for cqp hw
3311 * @info; sd info for wqe
3312 * @scratch: u64 saved to be used during cqp completion
3313 */
3314static enum i40iw_status_code cqp_sds_wqe_fill(struct i40iw_sc_cqp *cqp,
3315 struct i40iw_update_sds_info *info,
3316 u64 scratch)
3317{
3318 u64 data;
3319 u64 header;
3320 u64 *wqe;
3321 int mem_entries, wqe_entries;
3322 struct i40iw_dma_mem *sdbuf = &cqp->sdbuf;
3323
3324 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
3325 if (!wqe)
3326 return I40IW_ERR_RING_FULL;
3327
3328 I40IW_CQP_INIT_WQE(wqe);
3329 wqe_entries = (info->cnt > 3) ? 3 : info->cnt;
3330 mem_entries = info->cnt - wqe_entries;
3331
3332 header = LS_64(I40IW_CQP_OP_UPDATE_PE_SDS, I40IW_CQPSQ_OPCODE) |
3333 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID) |
3334 LS_64(mem_entries, I40IW_CQPSQ_UPESD_ENTRY_COUNT);
3335
3336 if (mem_entries) {
3337 memcpy(sdbuf->va, &info->entry[3], (mem_entries << 4));
3338 data = sdbuf->pa;
3339 } else {
3340 data = 0;
3341 }
3342 data |= LS_64(info->hmc_fn_id, I40IW_CQPSQ_UPESD_HMCFNID);
3343
3344 set_64bit_val(wqe, 16, data);
3345
3346 switch (wqe_entries) {
3347 case 3:
3348 set_64bit_val(wqe, 48,
3349 (LS_64(info->entry[2].cmd, I40IW_CQPSQ_UPESD_SDCMD) |
3350 LS_64(1, I40IW_CQPSQ_UPESD_ENTRY_VALID)));
3351
3352 set_64bit_val(wqe, 56, info->entry[2].data);
3353 /* fallthrough */
3354 case 2:
3355 set_64bit_val(wqe, 32,
3356 (LS_64(info->entry[1].cmd, I40IW_CQPSQ_UPESD_SDCMD) |
3357 LS_64(1, I40IW_CQPSQ_UPESD_ENTRY_VALID)));
3358
3359 set_64bit_val(wqe, 40, info->entry[1].data);
3360 /* fallthrough */
3361 case 1:
3362 set_64bit_val(wqe, 0,
3363 LS_64(info->entry[0].cmd, I40IW_CQPSQ_UPESD_SDCMD));
3364
3365 set_64bit_val(wqe, 8, info->entry[0].data);
3366 break;
3367 default:
3368 break;
3369 }
3370
3371 i40iw_insert_wqe_hdr(wqe, header);
3372
3373 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "UPDATE_PE_SDS WQE",
3374 wqe, I40IW_CQP_WQE_SIZE * 8);
3375 return 0;
3376}
3377
3378/**
3379 * i40iw_update_pe_sds - cqp wqe for sd
3380 * @dev: ptr to i40iw_dev struct
3381 * @info: sd info for sd's
3382 * @scratch: u64 saved to be used during cqp completion
3383 */
3384static enum i40iw_status_code i40iw_update_pe_sds(struct i40iw_sc_dev *dev,
3385 struct i40iw_update_sds_info *info,
3386 u64 scratch)
3387{
3388 struct i40iw_sc_cqp *cqp = dev->cqp;
3389 enum i40iw_status_code ret_code;
3390
3391 ret_code = cqp_sds_wqe_fill(cqp, info, scratch);
3392 if (!ret_code)
3393 i40iw_sc_cqp_post_sq(cqp);
3394
3395 return ret_code;
3396}
3397
3398/**
3399 * i40iw_update_sds_noccq - update sd before ccq created
3400 * @dev: sc device struct
3401 * @info: sd info for sd's
3402 */
3403enum i40iw_status_code i40iw_update_sds_noccq(struct i40iw_sc_dev *dev,
3404 struct i40iw_update_sds_info *info)
3405{
3406 u32 error, val, tail;
3407 struct i40iw_sc_cqp *cqp = dev->cqp;
3408 enum i40iw_status_code ret_code;
3409
3410 ret_code = cqp_sds_wqe_fill(cqp, info, 0);
3411 if (ret_code)
3412 return ret_code;
3413 i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
3414 if (error)
3415 return I40IW_ERR_CQP_COMPL_ERROR;
3416
3417 i40iw_sc_cqp_post_sq(cqp);
3418 ret_code = i40iw_cqp_poll_registers(cqp, tail, I40IW_DONE_COUNT);
3419
3420 return ret_code;
3421}
3422
3423/**
3424 * i40iw_sc_suspend_qp - suspend qp for param change
3425 * @cqp: struct for cqp hw
3426 * @qp: sc qp struct
3427 * @scratch: u64 saved to be used during cqp completion
3428 */
3429enum i40iw_status_code i40iw_sc_suspend_qp(struct i40iw_sc_cqp *cqp,
3430 struct i40iw_sc_qp *qp,
3431 u64 scratch)
3432{
3433 u64 header;
3434 u64 *wqe;
3435
3436 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
3437 if (!wqe)
3438 return I40IW_ERR_RING_FULL;
3439 header = LS_64(qp->qp_uk.qp_id, I40IW_CQPSQ_SUSPENDQP_QPID) |
3440 LS_64(I40IW_CQP_OP_SUSPEND_QP, I40IW_CQPSQ_OPCODE) |
3441 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
3442
3443 i40iw_insert_wqe_hdr(wqe, header);
3444
3445 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "SUSPEND_QP WQE",
3446 wqe, I40IW_CQP_WQE_SIZE * 8);
3447
3448 i40iw_sc_cqp_post_sq(cqp);
3449 return 0;
3450}
3451
3452/**
3453 * i40iw_sc_resume_qp - resume qp after suspend
3454 * @cqp: struct for cqp hw
3455 * @qp: sc qp struct
3456 * @scratch: u64 saved to be used during cqp completion
3457 */
3458enum i40iw_status_code i40iw_sc_resume_qp(struct i40iw_sc_cqp *cqp,
3459 struct i40iw_sc_qp *qp,
3460 u64 scratch)
3461{
3462 u64 header;
3463 u64 *wqe;
3464
3465 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
3466 if (!wqe)
3467 return I40IW_ERR_RING_FULL;
3468 set_64bit_val(wqe,
3469 16,
3470 LS_64(qp->qs_handle, I40IW_CQPSQ_RESUMEQP_QSHANDLE));
3471
3472 header = LS_64(qp->qp_uk.qp_id, I40IW_CQPSQ_RESUMEQP_QPID) |
3473 LS_64(I40IW_CQP_OP_RESUME_QP, I40IW_CQPSQ_OPCODE) |
3474 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
3475
3476 i40iw_insert_wqe_hdr(wqe, header);
3477
3478 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "RESUME_QP WQE",
3479 wqe, I40IW_CQP_WQE_SIZE * 8);
3480
3481 i40iw_sc_cqp_post_sq(cqp);
3482 return 0;
3483}
3484
3485/**
3486 * i40iw_sc_static_hmc_pages_allocated - cqp wqe to allocate hmc pages
3487 * @cqp: struct for cqp hw
3488 * @scratch: u64 saved to be used during cqp completion
3489 * @hmc_fn_id: hmc function id
3490 * @post_sq: flag for cqp db to ring
3491 * @poll_registers: flag to poll register for cqp completion
3492 */
3493enum i40iw_status_code i40iw_sc_static_hmc_pages_allocated(
3494 struct i40iw_sc_cqp *cqp,
3495 u64 scratch,
3496 u8 hmc_fn_id,
3497 bool post_sq,
3498 bool poll_registers)
3499{
3500 u64 header;
3501 u64 *wqe;
3502 u32 tail, val, error;
3503 enum i40iw_status_code ret_code = 0;
3504
3505 wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
3506 if (!wqe)
3507 return I40IW_ERR_RING_FULL;
3508 set_64bit_val(wqe,
3509 16,
3510 LS_64(hmc_fn_id, I40IW_SHMC_PAGE_ALLOCATED_HMC_FN_ID));
3511
3512 header = LS_64(I40IW_CQP_OP_SHMC_PAGES_ALLOCATED, I40IW_CQPSQ_OPCODE) |
3513 LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
3514
3515 i40iw_insert_wqe_hdr(wqe, header);
3516
3517 i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "SHMC_PAGES_ALLOCATED WQE",
3518 wqe, I40IW_CQP_WQE_SIZE * 8);
3519 i40iw_get_cqp_reg_info(cqp, &val, &tail, &error);
3520 if (error) {
3521 ret_code = I40IW_ERR_CQP_COMPL_ERROR;
3522 return ret_code;
3523 }
3524 if (post_sq) {
3525 i40iw_sc_cqp_post_sq(cqp);
3526 if (poll_registers)
3527 /* check for cqp sq tail update */
3528 ret_code = i40iw_cqp_poll_registers(cqp, tail, 1000);
3529 else
3530 ret_code = i40iw_sc_poll_for_cqp_op_done(cqp,
3531 I40IW_CQP_OP_SHMC_PAGES_ALLOCATED,
3532 NULL);
3533 }
3534
3535 return ret_code;
3536}
3537
3538/**
3539 * i40iw_ring_full - check if cqp ring is full
3540 * @cqp: struct for cqp hw
3541 */
3542static bool i40iw_ring_full(struct i40iw_sc_cqp *cqp)
3543{
3544 return I40IW_RING_FULL_ERR(cqp->sq_ring);
3545}
3546
fa415379
IM		 3547/**
3548 * i40iw_est_sd - returns approximate number of SDs for HMC
3549 * @dev: sc device struct
3550 * @hmc_info: hmc structure, size and count for HMC objects
3551 */
3552static u64 i40iw_est_sd(struct i40iw_sc_dev *dev, struct i40iw_hmc_info *hmc_info)
3553{
3554 int i;
3555 u64 size = 0;
3556 u64 sd;
3557
3558 for (i = I40IW_HMC_IW_QP; i < I40IW_HMC_IW_PBLE; i++)
3559 size += hmc_info->hmc_obj[i].cnt * hmc_info->hmc_obj[i].size;
3560
3561 if (dev->is_pf)
3562 size += hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt * hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].size;
3563
3564 if (size & 0x1FFFFF)
3565 sd = (size >> 21) + 1; /* add 1 for remainder */
3566 else
3567 sd = size >> 21;
3568
3569 if (!dev->is_pf) {
3570 /* 2MB alignment for VF PBLE HMC */
3571 size = hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt * hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].size;
3572 if (size & 0x1FFFFF)
3573 sd += (size >> 21) + 1; /* add 1 for remainder */
3574 else
3575 sd += size >> 21;
3576 }
3577
3578 return sd;
3579}
3580
86dbcd0f
FL		 3581/**
3582 * i40iw_config_fpm_values - configure HMC objects
3583 * @dev: sc device struct
3584 * @qp_count: desired qp count
3585 */
3586enum i40iw_status_code i40iw_config_fpm_values(struct i40iw_sc_dev *dev, u32 qp_count)
3587{
3588 struct i40iw_virt_mem virt_mem;
3589 u32 i, mem_size;
3590 u32 qpwantedoriginal, qpwanted, mrwanted, pblewanted;
3591 u32 powerof2;
fa415379 3592 u64 sd_needed;
86dbcd0f
FL		 3593 u32 loop_count = 0;
3594
3595 struct i40iw_hmc_info *hmc_info;
3596 struct i40iw_hmc_fpm_misc *hmc_fpm_misc;
3597 enum i40iw_status_code ret_code = 0;
3598
3599 hmc_info = dev->hmc_info;
3600 hmc_fpm_misc = &dev->hmc_fpm_misc;
3601
3602 ret_code = i40iw_sc_init_iw_hmc(dev, dev->hmc_fn_id);
3603 if (ret_code) {
3604 i40iw_debug(dev, I40IW_DEBUG_HMC,
3605 "i40iw_sc_init_iw_hmc returned error_code = %d\n",
3606 ret_code);
3607 return ret_code;
3608 }
3609
fa415379 3610 for (i = I40IW_HMC_IW_QP; i < I40IW_HMC_IW_MAX; i++)
86dbcd0f 3611 hmc_info->hmc_obj[i].cnt = hmc_info->hmc_obj[i].max_cnt;
fa415379 3612 sd_needed = i40iw_est_sd(dev, hmc_info);
86dbcd0f
FL		 3613 i40iw_debug(dev, I40IW_DEBUG_HMC,
3614 "%s: FW initial max sd_count[%08lld] first_sd_index[%04d]\n",
3615 __func__, sd_needed, hmc_info->first_sd_index);
3616 i40iw_debug(dev, I40IW_DEBUG_HMC,
fa415379
IM		 3617 "%s: sd count %d where max sd is %d\n",
3618 __func__, hmc_info->sd_table.sd_cnt,
86dbcd0f
FL		 3619 hmc_fpm_misc->max_sds);
3620
3621 qpwanted = min(qp_count, hmc_info->hmc_obj[I40IW_HMC_IW_QP].max_cnt);
3622 qpwantedoriginal = qpwanted;
3623 mrwanted = hmc_info->hmc_obj[I40IW_HMC_IW_MR].max_cnt;
3624 pblewanted = hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].max_cnt;
3625
3626 i40iw_debug(dev, I40IW_DEBUG_HMC,
3627 "req_qp=%d max_sd=%d, max_qp = %d, max_cq=%d, max_mr=%d, max_pble=%d\n",
3628 qp_count, hmc_fpm_misc->max_sds,
3629 hmc_info->hmc_obj[I40IW_HMC_IW_QP].max_cnt,
3630 hmc_info->hmc_obj[I40IW_HMC_IW_CQ].max_cnt,
3631 hmc_info->hmc_obj[I40IW_HMC_IW_MR].max_cnt,
3632 hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].max_cnt);
3633
3634 do {
3635 ++loop_count;
3636 hmc_info->hmc_obj[I40IW_HMC_IW_QP].cnt = qpwanted;
3637 hmc_info->hmc_obj[I40IW_HMC_IW_CQ].cnt =
3638 min(2 * qpwanted, hmc_info->hmc_obj[I40IW_HMC_IW_CQ].cnt);
3639 hmc_info->hmc_obj[I40IW_HMC_IW_SRQ].cnt = 0x00; /* Reserved */
3640 hmc_info->hmc_obj[I40IW_HMC_IW_HTE].cnt =
3641 qpwanted * hmc_fpm_misc->ht_multiplier;
3642 hmc_info->hmc_obj[I40IW_HMC_IW_ARP].cnt =
3643 hmc_info->hmc_obj[I40IW_HMC_IW_ARP].max_cnt;
3644 hmc_info->hmc_obj[I40IW_HMC_IW_APBVT_ENTRY].cnt = 1;
3645 hmc_info->hmc_obj[I40IW_HMC_IW_MR].cnt = mrwanted;
3646
3647 hmc_info->hmc_obj[I40IW_HMC_IW_XF].cnt = I40IW_MAX_WQ_ENTRIES * qpwanted;
3648 hmc_info->hmc_obj[I40IW_HMC_IW_Q1].cnt = 4 * I40IW_MAX_IRD_SIZE * qpwanted;
3649 hmc_info->hmc_obj[I40IW_HMC_IW_XFFL].cnt =
3650 hmc_info->hmc_obj[I40IW_HMC_IW_XF].cnt / hmc_fpm_misc->xf_block_size;
3651 hmc_info->hmc_obj[I40IW_HMC_IW_Q1FL].cnt =
3652 hmc_info->hmc_obj[I40IW_HMC_IW_Q1].cnt / hmc_fpm_misc->q1_block_size;
3653 hmc_info->hmc_obj[I40IW_HMC_IW_TIMER].cnt =
3654 ((qpwanted) / 512 + 1) * hmc_fpm_misc->timer_bucket;
3655 hmc_info->hmc_obj[I40IW_HMC_IW_FSIMC].cnt = 0x00;
3656 hmc_info->hmc_obj[I40IW_HMC_IW_FSIAV].cnt = 0x00;
3657 hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt = pblewanted;
3658
3659 /* How much memory is needed for all the objects. */
fa415379 3660 sd_needed = i40iw_est_sd(dev, hmc_info);
86dbcd0f
FL		 3661 if ((loop_count > 1000) ||
3662 ((!(loop_count % 10)) &&
3663 (qpwanted > qpwantedoriginal * 2 / 3))) {
3664 if (qpwanted > FPM_MULTIPLIER) {
3665 qpwanted -= FPM_MULTIPLIER;
3666 powerof2 = 1;
3667 while (powerof2 < qpwanted)
3668 powerof2 *= 2;
3669 powerof2 /= 2;
3670 qpwanted = powerof2;
3671 } else {
3672 qpwanted /= 2;
3673 }
3674 }
3675 if (mrwanted > FPM_MULTIPLIER * 10)
3676 mrwanted -= FPM_MULTIPLIER * 10;
3677 if (pblewanted > FPM_MULTIPLIER * 1000)
3678 pblewanted -= FPM_MULTIPLIER * 1000;
3679 } while (sd_needed > hmc_fpm_misc->max_sds && loop_count < 2000);
3680
fa415379 3681 sd_needed = i40iw_est_sd(dev, hmc_info);
86dbcd0f
FL		 3682
3683 i40iw_debug(dev, I40IW_DEBUG_HMC,
3684 "loop_cnt=%d, sd_needed=%lld, qpcnt = %d, cqcnt=%d, mrcnt=%d, pblecnt=%d\n",
3685 loop_count, sd_needed,
3686 hmc_info->hmc_obj[I40IW_HMC_IW_QP].cnt,
3687 hmc_info->hmc_obj[I40IW_HMC_IW_CQ].cnt,
3688 hmc_info->hmc_obj[I40IW_HMC_IW_MR].cnt,
3689 hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].cnt);
3690
3691 ret_code = i40iw_sc_configure_iw_fpm(dev, dev->hmc_fn_id);
3692 if (ret_code) {
3693 i40iw_debug(dev, I40IW_DEBUG_HMC,
3694 "configure_iw_fpm returned error_code[x%08X]\n",
3695 i40iw_rd32(dev->hw, dev->is_pf ? I40E_PFPE_CQPERRCODES : I40E_VFPE_CQPERRCODES1));
3696 return ret_code;
3697 }
3698
86dbcd0f
FL		 3699 mem_size = sizeof(struct i40iw_hmc_sd_entry) *
3700 (hmc_info->sd_table.sd_cnt + hmc_info->first_sd_index + 1);
3701 ret_code = i40iw_allocate_virt_mem(dev->hw, &virt_mem, mem_size);
3702 if (ret_code) {
3703 i40iw_debug(dev, I40IW_DEBUG_HMC,
3704 "%s: failed to allocate memory for sd_entry buffer\n",
3705 __func__);
3706 return ret_code;
3707 }
3708 hmc_info->sd_table.sd_entry = virt_mem.va;
3709
3710 return ret_code;
3711}
3712
3713/**
3714 * i40iw_exec_cqp_cmd - execute cqp cmd when wqe are available
3715 * @dev: rdma device
3716 * @pcmdinfo: cqp command info
3717 */
3718static enum i40iw_status_code i40iw_exec_cqp_cmd(struct i40iw_sc_dev *dev,
3719 struct cqp_commands_info *pcmdinfo)
3720{
3721 enum i40iw_status_code status;
3722 struct i40iw_dma_mem values_mem;
3723
3724 dev->cqp_cmd_stats[pcmdinfo->cqp_cmd]++;
3725 switch (pcmdinfo->cqp_cmd) {
3726 case OP_DELETE_LOCAL_MAC_IPADDR_ENTRY:
3727 status = i40iw_sc_del_local_mac_ipaddr_entry(
3728 pcmdinfo->in.u.del_local_mac_ipaddr_entry.cqp,
3729 pcmdinfo->in.u.del_local_mac_ipaddr_entry.scratch,
3730 pcmdinfo->in.u.del_local_mac_ipaddr_entry.entry_idx,
3731 pcmdinfo->in.u.del_local_mac_ipaddr_entry.ignore_ref_count,
3732 pcmdinfo->post_sq);
3733 break;
3734 case OP_CEQ_DESTROY:
3735 status = i40iw_sc_ceq_destroy(pcmdinfo->in.u.ceq_destroy.ceq,
3736 pcmdinfo->in.u.ceq_destroy.scratch,
3737 pcmdinfo->post_sq);
3738 break;
3739 case OP_AEQ_DESTROY:
3740 status = i40iw_sc_aeq_destroy(pcmdinfo->in.u.aeq_destroy.aeq,
3741 pcmdinfo->in.u.aeq_destroy.scratch,
3742 pcmdinfo->post_sq);
3743
3744 break;
3745 case OP_DELETE_ARP_CACHE_ENTRY:
3746 status = i40iw_sc_del_arp_cache_entry(
3747 pcmdinfo->in.u.del_arp_cache_entry.cqp,
3748 pcmdinfo->in.u.del_arp_cache_entry.scratch,
3749 pcmdinfo->in.u.del_arp_cache_entry.arp_index,
3750 pcmdinfo->post_sq);
3751 break;
3752 case OP_MANAGE_APBVT_ENTRY:
3753 status = i40iw_sc_manage_apbvt_entry(
3754 pcmdinfo->in.u.manage_apbvt_entry.cqp,
3755 &pcmdinfo->in.u.manage_apbvt_entry.info,
3756 pcmdinfo->in.u.manage_apbvt_entry.scratch,
3757 pcmdinfo->post_sq);
3758 break;
3759 case OP_CEQ_CREATE:
3760 status = i40iw_sc_ceq_create(pcmdinfo->in.u.ceq_create.ceq,
3761 pcmdinfo->in.u.ceq_create.scratch,
3762 pcmdinfo->post_sq);
3763 break;
3764 case OP_AEQ_CREATE:
3765 status = i40iw_sc_aeq_create(pcmdinfo->in.u.aeq_create.aeq,
3766 pcmdinfo->in.u.aeq_create.scratch,
3767 pcmdinfo->post_sq);
3768 break;
3769 case OP_ALLOC_LOCAL_MAC_IPADDR_ENTRY:
3770 status = i40iw_sc_alloc_local_mac_ipaddr_entry(
3771 pcmdinfo->in.u.alloc_local_mac_ipaddr_entry.cqp,
3772 pcmdinfo->in.u.alloc_local_mac_ipaddr_entry.scratch,
3773 pcmdinfo->post_sq);
3774 break;
3775 case OP_ADD_LOCAL_MAC_IPADDR_ENTRY:
3776 status = i40iw_sc_add_local_mac_ipaddr_entry(
3777 pcmdinfo->in.u.add_local_mac_ipaddr_entry.cqp,
3778 &pcmdinfo->in.u.add_local_mac_ipaddr_entry.info,
3779 pcmdinfo->in.u.add_local_mac_ipaddr_entry.scratch,
3780 pcmdinfo->post_sq);
3781 break;
3782 case OP_MANAGE_QHASH_TABLE_ENTRY:
3783 status = i40iw_sc_manage_qhash_table_entry(
3784 pcmdinfo->in.u.manage_qhash_table_entry.cqp,
3785 &pcmdinfo->in.u.manage_qhash_table_entry.info,
3786 pcmdinfo->in.u.manage_qhash_table_entry.scratch,
3787 pcmdinfo->post_sq);
3788
3789 break;
3790 case OP_QP_MODIFY:
3791 status = i40iw_sc_qp_modify(
3792 pcmdinfo->in.u.qp_modify.qp,
3793 &pcmdinfo->in.u.qp_modify.info,
3794 pcmdinfo->in.u.qp_modify.scratch,
3795 pcmdinfo->post_sq);
3796
3797 break;
3798 case OP_QP_UPLOAD_CONTEXT:
3799 status = i40iw_sc_qp_upload_context(
3800 pcmdinfo->in.u.qp_upload_context.dev,
3801 &pcmdinfo->in.u.qp_upload_context.info,
3802 pcmdinfo->in.u.qp_upload_context.scratch,
3803 pcmdinfo->post_sq);
3804
3805 break;
3806 case OP_CQ_CREATE:
3807 status = i40iw_sc_cq_create(
3808 pcmdinfo->in.u.cq_create.cq,
3809 pcmdinfo->in.u.cq_create.scratch,
3810 pcmdinfo->in.u.cq_create.check_overflow,
3811 pcmdinfo->post_sq);
3812 break;
3813 case OP_CQ_DESTROY:
3814 status = i40iw_sc_cq_destroy(
3815 pcmdinfo->in.u.cq_destroy.cq,
3816 pcmdinfo->in.u.cq_destroy.scratch,
3817 pcmdinfo->post_sq);
3818
3819 break;
3820 case OP_QP_CREATE:
3821 status = i40iw_sc_qp_create(
3822 pcmdinfo->in.u.qp_create.qp,
3823 &pcmdinfo->in.u.qp_create.info,
3824 pcmdinfo->in.u.qp_create.scratch,
3825 pcmdinfo->post_sq);
3826 break;
3827 case OP_QP_DESTROY:
3828 status = i40iw_sc_qp_destroy(
3829 pcmdinfo->in.u.qp_destroy.qp,
3830 pcmdinfo->in.u.qp_destroy.scratch,
3831 pcmdinfo->in.u.qp_destroy.remove_hash_idx,
3832 pcmdinfo->in.u.qp_destroy.
3833 ignore_mw_bnd,
3834 pcmdinfo->post_sq);
3835
3836 break;
3837 case OP_ALLOC_STAG:
3838 status = i40iw_sc_alloc_stag(
3839 pcmdinfo->in.u.alloc_stag.dev,
3840 &pcmdinfo->in.u.alloc_stag.info,
3841 pcmdinfo->in.u.alloc_stag.scratch,
3842 pcmdinfo->post_sq);
3843 break;
3844 case OP_MR_REG_NON_SHARED:
3845 status = i40iw_sc_mr_reg_non_shared(
3846 pcmdinfo->in.u.mr_reg_non_shared.dev,
3847 &pcmdinfo->in.u.mr_reg_non_shared.info,
3848 pcmdinfo->in.u.mr_reg_non_shared.scratch,
3849 pcmdinfo->post_sq);
3850
3851 break;
3852 case OP_DEALLOC_STAG:
3853 status = i40iw_sc_dealloc_stag(
3854 pcmdinfo->in.u.dealloc_stag.dev,
3855 &pcmdinfo->in.u.dealloc_stag.info,
3856 pcmdinfo->in.u.dealloc_stag.scratch,
3857 pcmdinfo->post_sq);
3858
3859 break;
3860 case OP_MW_ALLOC:
3861 status = i40iw_sc_mw_alloc(
3862 pcmdinfo->in.u.mw_alloc.dev,
3863 pcmdinfo->in.u.mw_alloc.scratch,
3864 pcmdinfo->in.u.mw_alloc.mw_stag_index,
3865 pcmdinfo->in.u.mw_alloc.pd_id,
3866 pcmdinfo->post_sq);
3867
3868 break;
3869 case OP_QP_FLUSH_WQES:
3870 status = i40iw_sc_qp_flush_wqes(
3871 pcmdinfo->in.u.qp_flush_wqes.qp,
3872 &pcmdinfo->in.u.qp_flush_wqes.info,
3873 pcmdinfo->in.u.qp_flush_wqes.
3874 scratch, pcmdinfo->post_sq);
3875 break;
3876 case OP_ADD_ARP_CACHE_ENTRY:
3877 status = i40iw_sc_add_arp_cache_entry(
3878 pcmdinfo->in.u.add_arp_cache_entry.cqp,
3879 &pcmdinfo->in.u.add_arp_cache_entry.info,
3880 pcmdinfo->in.u.add_arp_cache_entry.scratch,
3881 pcmdinfo->post_sq);
3882 break;
3883 case OP_MANAGE_PUSH_PAGE:
3884 status = i40iw_sc_manage_push_page(
3885 pcmdinfo->in.u.manage_push_page.cqp,
3886 &pcmdinfo->in.u.manage_push_page.info,
3887 pcmdinfo->in.u.manage_push_page.scratch,
3888 pcmdinfo->post_sq);
3889 break;
3890 case OP_UPDATE_PE_SDS:
3891 /* case I40IW_CQP_OP_UPDATE_PE_SDS */
3892 status = i40iw_update_pe_sds(
3893 pcmdinfo->in.u.update_pe_sds.dev,
3894 &pcmdinfo->in.u.update_pe_sds.info,
3895 pcmdinfo->in.u.update_pe_sds.
3896 scratch);
3897
3898 break;
3899 case OP_MANAGE_HMC_PM_FUNC_TABLE:
3900 status = i40iw_sc_manage_hmc_pm_func_table(
3901 pcmdinfo->in.u.manage_hmc_pm.dev->cqp,
3902 pcmdinfo->in.u.manage_hmc_pm.scratch,
3903 (u8)pcmdinfo->in.u.manage_hmc_pm.info.vf_id,
3904 pcmdinfo->in.u.manage_hmc_pm.info.free_fcn,
3905 true);
3906 break;
3907 case OP_SUSPEND:
3908 status = i40iw_sc_suspend_qp(
3909 pcmdinfo->in.u.suspend_resume.cqp,
3910 pcmdinfo->in.u.suspend_resume.qp,
3911 pcmdinfo->in.u.suspend_resume.scratch);
3912 break;
3913 case OP_RESUME:
3914 status = i40iw_sc_resume_qp(
3915 pcmdinfo->in.u.suspend_resume.cqp,
3916 pcmdinfo->in.u.suspend_resume.qp,
3917 pcmdinfo->in.u.suspend_resume.scratch);
3918 break;
3919 case OP_MANAGE_VF_PBLE_BP:
3920 status = i40iw_manage_vf_pble_bp(
3921 pcmdinfo->in.u.manage_vf_pble_bp.cqp,
3922 &pcmdinfo->in.u.manage_vf_pble_bp.info,
3923 pcmdinfo->in.u.manage_vf_pble_bp.scratch, true);
3924 break;
3925 case OP_QUERY_FPM_VALUES:
3926 values_mem.pa = pcmdinfo->in.u.query_fpm_values.fpm_values_pa;
3927 values_mem.va = pcmdinfo->in.u.query_fpm_values.fpm_values_va;
3928 status = i40iw_sc_query_fpm_values(
3929 pcmdinfo->in.u.query_fpm_values.cqp,
3930 pcmdinfo->in.u.query_fpm_values.scratch,
3931 pcmdinfo->in.u.query_fpm_values.hmc_fn_id,
3932 &values_mem, true, I40IW_CQP_WAIT_EVENT);
3933 break;
3934 case OP_COMMIT_FPM_VALUES:
3935 values_mem.pa = pcmdinfo->in.u.commit_fpm_values.fpm_values_pa;
3936 values_mem.va = pcmdinfo->in.u.commit_fpm_values.fpm_values_va;
3937 status = i40iw_sc_commit_fpm_values(
3938 pcmdinfo->in.u.commit_fpm_values.cqp,
3939 pcmdinfo->in.u.commit_fpm_values.scratch,
3940 pcmdinfo->in.u.commit_fpm_values.hmc_fn_id,
3941 &values_mem,
3942 true,
3943 I40IW_CQP_WAIT_EVENT);
3944 break;
3945 default:
3946 status = I40IW_NOT_SUPPORTED;
3947 break;
3948 }
3949
3950 return status;
3951}
3952
3953/**
3954 * i40iw_process_cqp_cmd - process all cqp commands
3955 * @dev: sc device struct
3956 * @pcmdinfo: cqp command info
3957 */
3958enum i40iw_status_code i40iw_process_cqp_cmd(struct i40iw_sc_dev *dev,
3959 struct cqp_commands_info *pcmdinfo)
3960{
3961 enum i40iw_status_code status = 0;
3962 unsigned long flags;
3963
3964 spin_lock_irqsave(&dev->cqp_lock, flags);
3965 if (list_empty(&dev->cqp_cmd_head) && !i40iw_ring_full(dev->cqp))
3966 status = i40iw_exec_cqp_cmd(dev, pcmdinfo);
3967 else
3968 list_add_tail(&pcmdinfo->cqp_cmd_entry, &dev->cqp_cmd_head);
3969 spin_unlock_irqrestore(&dev->cqp_lock, flags);
3970 return status;
3971}
3972
3973/**
3974 * i40iw_process_bh - called from tasklet for cqp list
3975 * @dev: sc device struct
3976 */
3977enum i40iw_status_code i40iw_process_bh(struct i40iw_sc_dev *dev)
3978{
3979 enum i40iw_status_code status = 0;
3980 struct cqp_commands_info *pcmdinfo;
3981 unsigned long flags;
3982
3983 spin_lock_irqsave(&dev->cqp_lock, flags);
3984 while (!list_empty(&dev->cqp_cmd_head) && !i40iw_ring_full(dev->cqp)) {
3985 pcmdinfo = (struct cqp_commands_info *)i40iw_remove_head(&dev->cqp_cmd_head);
3986
3987 status = i40iw_exec_cqp_cmd(dev, pcmdinfo);
3988 if (status)
3989 break;
3990 }
3991 spin_unlock_irqrestore(&dev->cqp_lock, flags);
3992 return status;
3993}
3994
3995/**
3996 * i40iw_iwarp_opcode - determine if incoming is rdma layer
3997 * @info: aeq info for the packet
3998 * @pkt: packet for error
3999 */
4000static u32 i40iw_iwarp_opcode(struct i40iw_aeqe_info *info, u8 *pkt)
4001{
20c61f7e 4002 __be16 *mpa;
86dbcd0f
FL		 4003 u32 opcode = 0xffffffff;
4004
4005 if (info->q2_data_written) {
20c61f7e 4006 mpa = (__be16 *)pkt;
86dbcd0f
FL		 4007 opcode = ntohs(mpa[1]) & 0xf;
4008 }
4009 return opcode;
4010}
4011
4012/**
4013 * i40iw_locate_mpa - return pointer to mpa in the pkt
4014 * @pkt: packet with data
4015 */
4016static u8 *i40iw_locate_mpa(u8 *pkt)
4017{
4018 /* skip over ethernet header */
4019 pkt += I40IW_MAC_HLEN;
4020
4021 /* Skip over IP and TCP headers */
4022 pkt += 4 * (pkt[0] & 0x0f);
4023 pkt += 4 * ((pkt[12] >> 4) & 0x0f);
4024 return pkt;
4025}
4026
4027/**
4028 * i40iw_setup_termhdr - termhdr for terminate pkt
4029 * @qp: sc qp ptr for pkt
4030 * @hdr: term hdr
4031 * @opcode: flush opcode for termhdr
4032 * @layer_etype: error layer + error type
4033 * @err: error cod ein the header
4034 */
4035static void i40iw_setup_termhdr(struct i40iw_sc_qp *qp,
4036 struct i40iw_terminate_hdr *hdr,
4037 enum i40iw_flush_opcode opcode,
4038 u8 layer_etype,
4039 u8 err)
4040{
4041 qp->flush_code = opcode;
4042 hdr->layer_etype = layer_etype;
4043 hdr->error_code = err;
4044}
4045
4046/**
4047 * i40iw_bld_terminate_hdr - build terminate message header
4048 * @qp: qp associated with received terminate AE
4049 * @info: the struct contiaing AE information
4050 */
4051static int i40iw_bld_terminate_hdr(struct i40iw_sc_qp *qp,
4052 struct i40iw_aeqe_info *info)
4053{
4054 u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET;
4055 u16 ddp_seg_len;
4056 int copy_len = 0;
4057 u8 is_tagged = 0;
4058 enum i40iw_flush_opcode flush_code = FLUSH_INVALID;
4059 u32 opcode;
4060 struct i40iw_terminate_hdr *termhdr;
4061
4062 termhdr = (struct i40iw_terminate_hdr *)qp->q2_buf;
4063 memset(termhdr, 0, Q2_BAD_FRAME_OFFSET);
4064
4065 if (info->q2_data_written) {
4066 /* Use data from offending packet to fill in ddp & rdma hdrs */
4067 pkt = i40iw_locate_mpa(pkt);
20c61f7e 4068 ddp_seg_len = ntohs(*(__be16 *)pkt);
86dbcd0f
FL		 4069 if (ddp_seg_len) {
4070 copy_len = 2;
4071 termhdr->hdrct = DDP_LEN_FLAG;
4072 if (pkt[2] & 0x80) {
4073 is_tagged = 1;
4074 if (ddp_seg_len >= TERM_DDP_LEN_TAGGED) {
4075 copy_len += TERM_DDP_LEN_TAGGED;
4076 termhdr->hdrct |= DDP_HDR_FLAG;
4077 }
4078 } else {
4079 if (ddp_seg_len >= TERM_DDP_LEN_UNTAGGED) {
4080 copy_len += TERM_DDP_LEN_UNTAGGED;
4081 termhdr->hdrct |= DDP_HDR_FLAG;
4082 }
4083
4084 if (ddp_seg_len >= (TERM_DDP_LEN_UNTAGGED + TERM_RDMA_LEN)) {
4085 if ((pkt[3] & RDMA_OPCODE_MASK) == RDMA_READ_REQ_OPCODE) {
4086 copy_len += TERM_RDMA_LEN;
4087 termhdr->hdrct |= RDMA_HDR_FLAG;
4088 }
4089 }
4090 }
4091 }
4092 }
4093
4094 opcode = i40iw_iwarp_opcode(info, pkt);
4095
4096 switch (info->ae_id) {
4097 case I40IW_AE_AMP_UNALLOCATED_STAG:
4098 qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
4099 if (opcode == I40IW_OP_TYPE_RDMA_WRITE)
4100 i40iw_setup_termhdr(qp, termhdr, FLUSH_PROT_ERR,
4101 (LAYER_DDP << 4) | DDP_TAGGED_BUFFER, DDP_TAGGED_INV_STAG);
4102 else
4103 i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
4104 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_INV_STAG);
4105 break;
4106 case I40IW_AE_AMP_BOUNDS_VIOLATION:
4107 qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
4108 if (info->q2_data_written)
4109 i40iw_setup_termhdr(qp, termhdr, FLUSH_PROT_ERR,
4110 (LAYER_DDP << 4) | DDP_TAGGED_BUFFER, DDP_TAGGED_BOUNDS);
4111 else
4112 i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
4113 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_INV_BOUNDS);
4114 break;
4115 case I40IW_AE_AMP_BAD_PD:
4116 switch (opcode) {
4117 case I40IW_OP_TYPE_RDMA_WRITE:
4118 i40iw_setup_termhdr(qp, termhdr, FLUSH_PROT_ERR,
4119 (LAYER_DDP << 4) | DDP_TAGGED_BUFFER, DDP_TAGGED_UNASSOC_STAG);
4120 break;
4121 case I40IW_OP_TYPE_SEND_INV:
4122 case I40IW_OP_TYPE_SEND_SOL_INV:
4123 i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
4124 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_CANT_INV_STAG);
4125 break;
4126 default:
4127 i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
4128 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_UNASSOC_STAG);
4129 }
4130 break;
4131 case I40IW_AE_AMP_INVALID_STAG:
4132 qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
4133 i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
4134 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_INV_STAG);
4135 break;
4136 case I40IW_AE_AMP_BAD_QP:
4137 i40iw_setup_termhdr(qp, termhdr, FLUSH_LOC_QP_OP_ERR,
4138 (LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_QN);
4139 break;
4140 case I40IW_AE_AMP_BAD_STAG_KEY:
4141 case I40IW_AE_AMP_BAD_STAG_INDEX:
4142 qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
4143 switch (opcode) {
4144 case I40IW_OP_TYPE_SEND_INV:
4145 case I40IW_OP_TYPE_SEND_SOL_INV:
4146 i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_OP_ERR,
4147 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_CANT_INV_STAG);
4148 break;
4149 default:
4150 i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
4151 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_INV_STAG);
4152 }
4153 break;
4154 case I40IW_AE_AMP_RIGHTS_VIOLATION:
4155 case I40IW_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS:
4156 case I40IW_AE_PRIV_OPERATION_DENIED:
4157 qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
4158 i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
4159 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_ACCESS);
4160 break;
4161 case I40IW_AE_AMP_TO_WRAP:
4162 qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
4163 i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_ACCESS_ERR,
4164 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT, RDMAP_TO_WRAP);
4165 break;
4166 case I40IW_AE_LLP_RECEIVED_MARKER_AND_LENGTH_FIELDS_DONT_MATCH:
4167 i40iw_setup_termhdr(qp, termhdr, FLUSH_LOC_LEN_ERR,
4168 (LAYER_MPA << 4) | DDP_LLP, MPA_MARKER);
4169 break;
4170 case I40IW_AE_LLP_RECEIVED_MPA_CRC_ERROR:
4171 i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
4172 (LAYER_MPA << 4) | DDP_LLP, MPA_CRC);
4173 break;
4174 case I40IW_AE_LLP_SEGMENT_TOO_LARGE:
4175 case I40IW_AE_LLP_SEGMENT_TOO_SMALL:
4176 i40iw_setup_termhdr(qp, termhdr, FLUSH_LOC_LEN_ERR,
4177 (LAYER_DDP << 4) | DDP_CATASTROPHIC, DDP_CATASTROPHIC_LOCAL);
4178 break;
4179 case I40IW_AE_LCE_QP_CATASTROPHIC:
4180 case I40IW_AE_DDP_NO_L_BIT:
4181 i40iw_setup_termhdr(qp, termhdr, FLUSH_FATAL_ERR,
4182 (LAYER_DDP << 4) | DDP_CATASTROPHIC, DDP_CATASTROPHIC_LOCAL);
4183 break;
4184 case I40IW_AE_DDP_INVALID_MSN_GAP_IN_MSN:
4185 case I40IW_AE_DDP_INVALID_MSN_RANGE_IS_NOT_VALID:
4186 i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
4187 (LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_MSN_RANGE);
4188 break;
4189 case I40IW_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
4190 qp->eventtype = TERM_EVENT_QP_ACCESS_ERR;
4191 i40iw_setup_termhdr(qp, termhdr, FLUSH_LOC_LEN_ERR,
4192 (LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_TOO_LONG);
4193 break;
4194 case I40IW_AE_DDP_UBE_INVALID_DDP_VERSION:
4195 if (is_tagged)
4196 i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
4197 (LAYER_DDP << 4) | DDP_TAGGED_BUFFER, DDP_TAGGED_INV_DDP_VER);
4198 else
4199 i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
4200 (LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_DDP_VER);
4201 break;
4202 case I40IW_AE_DDP_UBE_INVALID_MO:
4203 i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
4204 (LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_MO);
4205 break;
4206 case I40IW_AE_DDP_UBE_INVALID_MSN_NO_BUFFER_AVAILABLE:
4207 i40iw_setup_termhdr(qp, termhdr, FLUSH_REM_OP_ERR,
4208 (LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_MSN_NO_BUF);
4209 break;
4210 case I40IW_AE_DDP_UBE_INVALID_QN:
4211 i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
4212 (LAYER_DDP << 4) | DDP_UNTAGGED_BUFFER, DDP_UNTAGGED_INV_QN);
4213 break;
4214 case I40IW_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
4215 i40iw_setup_termhdr(qp, termhdr, FLUSH_GENERAL_ERR,
4216 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_INV_RDMAP_VER);
4217 break;
4218 case I40IW_AE_RDMAP_ROE_UNEXPECTED_OPCODE:
4219 i40iw_setup_termhdr(qp, termhdr, FLUSH_LOC_QP_OP_ERR,
4220 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_UNEXPECTED_OP);
4221 break;
4222 default:
4223 i40iw_setup_termhdr(qp, termhdr, FLUSH_FATAL_ERR,
4224 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP, RDMAP_UNSPECIFIED);
4225 break;
4226 }
4227
4228 if (copy_len)
4229 memcpy(termhdr + 1, pkt, copy_len);
4230
4231 if (flush_code && !info->in_rdrsp_wr)
4232 qp->sq_flush = (info->sq) ? true : false;
4233
4234 return sizeof(struct i40iw_terminate_hdr) + copy_len;
4235}
4236
4237/**
4238 * i40iw_terminate_send_fin() - Send fin for terminate message
4239 * @qp: qp associated with received terminate AE
4240 */
4241void i40iw_terminate_send_fin(struct i40iw_sc_qp *qp)
4242{
4243 /* Send the fin only */
4244 i40iw_term_modify_qp(qp,
4245 I40IW_QP_STATE_TERMINATE,
4246 I40IWQP_TERM_SEND_FIN_ONLY,
4247 0);
4248}
4249
4250/**
4251 * i40iw_terminate_connection() - Bad AE and send terminate to remote QP
4252 * @qp: qp associated with received terminate AE
4253 * @info: the struct contiaing AE information
4254 */
4255void i40iw_terminate_connection(struct i40iw_sc_qp *qp, struct i40iw_aeqe_info *info)
4256{
4257 u8 termlen = 0;
4258
4259 if (qp->term_flags & I40IW_TERM_SENT)
4260 return; /* Sanity check */
4261
4262 /* Eventtype can change from bld_terminate_hdr */
4263 qp->eventtype = TERM_EVENT_QP_FATAL;
4264 termlen = i40iw_bld_terminate_hdr(qp, info);
4265 i40iw_terminate_start_timer(qp);
4266 qp->term_flags |= I40IW_TERM_SENT;
4267 i40iw_term_modify_qp(qp, I40IW_QP_STATE_TERMINATE,
4268 I40IWQP_TERM_SEND_TERM_ONLY, termlen);
4269}
4270
4271/**
4272 * i40iw_terminate_received - handle terminate received AE
4273 * @qp: qp associated with received terminate AE
4274 * @info: the struct contiaing AE information
4275 */
4276void i40iw_terminate_received(struct i40iw_sc_qp *qp, struct i40iw_aeqe_info *info)
4277{
4278 u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET;
20c61f7e 4279 __be32 *mpa;
86dbcd0f
FL		 4280 u8 ddp_ctl;
4281 u8 rdma_ctl;
4282 u16 aeq_id = 0;
4283 struct i40iw_terminate_hdr *termhdr;
4284
20c61f7e 4285 mpa = (__be32 *)i40iw_locate_mpa(pkt);
86dbcd0f
FL		 4286 if (info->q2_data_written) {
4287 /* did not validate the frame - do it now */
4288 ddp_ctl = (ntohl(mpa[0]) >> 8) & 0xff;
4289 rdma_ctl = ntohl(mpa[0]) & 0xff;
4290 if ((ddp_ctl & 0xc0) != 0x40)
4291 aeq_id = I40IW_AE_LCE_QP_CATASTROPHIC;
4292 else if ((ddp_ctl & 0x03) != 1)
4293 aeq_id = I40IW_AE_DDP_UBE_INVALID_DDP_VERSION;
4294 else if (ntohl(mpa[2]) != 2)
4295 aeq_id = I40IW_AE_DDP_UBE_INVALID_QN;
4296 else if (ntohl(mpa[3]) != 1)
4297 aeq_id = I40IW_AE_DDP_INVALID_MSN_GAP_IN_MSN;
4298 else if (ntohl(mpa[4]) != 0)
4299 aeq_id = I40IW_AE_DDP_UBE_INVALID_MO;
4300 else if ((rdma_ctl & 0xc0) != 0x40)
4301 aeq_id = I40IW_AE_RDMAP_ROE_INVALID_RDMAP_VERSION;
4302
4303 info->ae_id = aeq_id;
4304 if (info->ae_id) {
4305 /* Bad terminate recvd - send back a terminate */
4306 i40iw_terminate_connection(qp, info);
4307 return;
4308 }
4309 }
4310
4311 qp->term_flags |= I40IW_TERM_RCVD;
4312 qp->eventtype = TERM_EVENT_QP_FATAL;
4313 termhdr = (struct i40iw_terminate_hdr *)&mpa[5];
4314 if (termhdr->layer_etype == RDMAP_REMOTE_PROT ||
4315 termhdr->layer_etype == RDMAP_REMOTE_OP) {
4316 i40iw_terminate_done(qp, 0);
4317 } else {
4318 i40iw_terminate_start_timer(qp);
4319 i40iw_terminate_send_fin(qp);
4320 }
4321}
4322
4323/**
4324 * i40iw_hw_stat_init - Initiliaze HW stats table
4325 * @devstat: pestat struct
4326 * @fcn_idx: PCI fn id
4327 * @hw: PF i40iw_hw structure.
4328 * @is_pf: Is it a PF?
4329 *
4330 * Populate the HW stat table with register offset addr for each
4331 * stat. And start the perioidic stats timer.
4332 */
4333static void i40iw_hw_stat_init(struct i40iw_dev_pestat *devstat,
4334 u8 fcn_idx,
4335 struct i40iw_hw *hw, bool is_pf)
4336{
4337 u32 stat_reg_offset;
4338 u32 stat_index;
4339 struct i40iw_dev_hw_stat_offsets *stat_table =
4340 &devstat->hw_stat_offsets;
4341 struct i40iw_dev_hw_stats *last_rd_stats = &devstat->last_read_hw_stats;
4342
4343 devstat->hw = hw;
4344
4345 if (is_pf) {
4346 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP4RXDISCARD] =
4347 I40E_GLPES_PFIP4RXDISCARD(fcn_idx);
4348 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP4RXTRUNC] =
4349 I40E_GLPES_PFIP4RXTRUNC(fcn_idx);
4350 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP4TXNOROUTE] =
4351 I40E_GLPES_PFIP4TXNOROUTE(fcn_idx);
4352 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP6RXDISCARD] =
4353 I40E_GLPES_PFIP6RXDISCARD(fcn_idx);
4354 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP6RXTRUNC] =
4355 I40E_GLPES_PFIP6RXTRUNC(fcn_idx);
4356 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP6TXNOROUTE] =
4357 I40E_GLPES_PFIP6TXNOROUTE(fcn_idx);
4358 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_TCPRTXSEG] =
4359 I40E_GLPES_PFTCPRTXSEG(fcn_idx);
4360 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_TCPRXOPTERR] =
4361 I40E_GLPES_PFTCPRXOPTERR(fcn_idx);
4362 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_TCPRXPROTOERR] =
4363 I40E_GLPES_PFTCPRXPROTOERR(fcn_idx);
4364
4365 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4RXOCTS] =
4366 I40E_GLPES_PFIP4RXOCTSLO(fcn_idx);
4367 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4RXPKTS] =
4368 I40E_GLPES_PFIP4RXPKTSLO(fcn_idx);
4369 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4RXFRAGS] =
4370 I40E_GLPES_PFIP4RXFRAGSLO(fcn_idx);
4371 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4RXMCPKTS] =
4372 I40E_GLPES_PFIP4RXMCPKTSLO(fcn_idx);
4373 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4TXOCTS] =
4374 I40E_GLPES_PFIP4TXOCTSLO(fcn_idx);
4375 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4TXPKTS] =
4376 I40E_GLPES_PFIP4TXPKTSLO(fcn_idx);
4377 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4TXFRAGS] =
4378 I40E_GLPES_PFIP4TXFRAGSLO(fcn_idx);
4379 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4TXMCPKTS] =
4380 I40E_GLPES_PFIP4TXMCPKTSLO(fcn_idx);
4381 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6RXOCTS] =
4382 I40E_GLPES_PFIP6RXOCTSLO(fcn_idx);
4383 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6RXPKTS] =
4384 I40E_GLPES_PFIP6RXPKTSLO(fcn_idx);
4385 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6RXFRAGS] =
4386 I40E_GLPES_PFIP6RXFRAGSLO(fcn_idx);
4387 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6RXMCPKTS] =
4388 I40E_GLPES_PFIP6RXMCPKTSLO(fcn_idx);
4389 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6TXOCTS] =
4390 I40E_GLPES_PFIP6TXOCTSLO(fcn_idx);
4391 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6TXPKTS] =
4392 I40E_GLPES_PFIP6TXPKTSLO(fcn_idx);
4393 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6TXPKTS] =
4394 I40E_GLPES_PFIP6TXPKTSLO(fcn_idx);
4395 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6TXFRAGS] =
4396 I40E_GLPES_PFIP6TXFRAGSLO(fcn_idx);
4397 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_TCPRXSEGS] =
4398 I40E_GLPES_PFTCPRXSEGSLO(fcn_idx);
4399 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_TCPTXSEG] =
4400 I40E_GLPES_PFTCPTXSEGLO(fcn_idx);
4401 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMARXRDS] =
4402 I40E_GLPES_PFRDMARXRDSLO(fcn_idx);
4403 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMARXSNDS] =
4404 I40E_GLPES_PFRDMARXSNDSLO(fcn_idx);
4405 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMARXWRS] =
4406 I40E_GLPES_PFRDMARXWRSLO(fcn_idx);
4407 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMATXRDS] =
4408 I40E_GLPES_PFRDMATXRDSLO(fcn_idx);
4409 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMATXSNDS] =
4410 I40E_GLPES_PFRDMATXSNDSLO(fcn_idx);
4411 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMATXWRS] =
4412 I40E_GLPES_PFRDMATXWRSLO(fcn_idx);
4413 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMAVBND] =
4414 I40E_GLPES_PFRDMAVBNDLO(fcn_idx);
4415 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMAVINV] =
4416 I40E_GLPES_PFRDMAVINVLO(fcn_idx);
4417 } else {
4418 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP4RXDISCARD] =
4419 I40E_GLPES_VFIP4RXDISCARD(fcn_idx);
4420 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP4RXTRUNC] =
4421 I40E_GLPES_VFIP4RXTRUNC(fcn_idx);
4422 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP4TXNOROUTE] =
4423 I40E_GLPES_VFIP4TXNOROUTE(fcn_idx);
4424 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP6RXDISCARD] =
4425 I40E_GLPES_VFIP6RXDISCARD(fcn_idx);
4426 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP6RXTRUNC] =
4427 I40E_GLPES_VFIP6RXTRUNC(fcn_idx);
4428 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_IP6TXNOROUTE] =
4429 I40E_GLPES_VFIP6TXNOROUTE(fcn_idx);
4430 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_TCPRTXSEG] =
4431 I40E_GLPES_VFTCPRTXSEG(fcn_idx);
4432 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_TCPRXOPTERR] =
4433 I40E_GLPES_VFTCPRXOPTERR(fcn_idx);
4434 stat_table->stat_offset_32[I40IW_HW_STAT_INDEX_TCPRXPROTOERR] =
4435 I40E_GLPES_VFTCPRXPROTOERR(fcn_idx);
4436
4437 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4RXOCTS] =
4438 I40E_GLPES_VFIP4RXOCTSLO(fcn_idx);
4439 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4RXPKTS] =
4440 I40E_GLPES_VFIP4RXPKTSLO(fcn_idx);
4441 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4RXFRAGS] =
4442 I40E_GLPES_VFIP4RXFRAGSLO(fcn_idx);
4443 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4RXMCPKTS] =
4444 I40E_GLPES_VFIP4RXMCPKTSLO(fcn_idx);
4445 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4TXOCTS] =
4446 I40E_GLPES_VFIP4TXOCTSLO(fcn_idx);
4447 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4TXPKTS] =
4448 I40E_GLPES_VFIP4TXPKTSLO(fcn_idx);
4449 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4TXFRAGS] =
4450 I40E_GLPES_VFIP4TXFRAGSLO(fcn_idx);
4451 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP4TXMCPKTS] =
4452 I40E_GLPES_VFIP4TXMCPKTSLO(fcn_idx);
4453 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6RXOCTS] =
4454 I40E_GLPES_VFIP6RXOCTSLO(fcn_idx);
4455 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6RXPKTS] =
4456 I40E_GLPES_VFIP6RXPKTSLO(fcn_idx);
4457 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6RXFRAGS] =
4458 I40E_GLPES_VFIP6RXFRAGSLO(fcn_idx);
4459 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6RXMCPKTS] =
4460 I40E_GLPES_VFIP6RXMCPKTSLO(fcn_idx);
4461 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6TXOCTS] =
4462 I40E_GLPES_VFIP6TXOCTSLO(fcn_idx);
4463 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6TXPKTS] =
4464 I40E_GLPES_VFIP6TXPKTSLO(fcn_idx);
4465 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6TXPKTS] =
4466 I40E_GLPES_VFIP6TXPKTSLO(fcn_idx);
4467 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_IP6TXFRAGS] =
4468 I40E_GLPES_VFIP6TXFRAGSLO(fcn_idx);
4469 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_TCPRXSEGS] =
4470 I40E_GLPES_VFTCPRXSEGSLO(fcn_idx);
4471 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_TCPTXSEG] =
4472 I40E_GLPES_VFTCPTXSEGLO(fcn_idx);
4473 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMARXRDS] =
4474 I40E_GLPES_VFRDMARXRDSLO(fcn_idx);
4475 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMARXSNDS] =
4476 I40E_GLPES_VFRDMARXSNDSLO(fcn_idx);
4477 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMARXWRS] =
4478 I40E_GLPES_VFRDMARXWRSLO(fcn_idx);
4479 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMATXRDS] =
4480 I40E_GLPES_VFRDMATXRDSLO(fcn_idx);
4481 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMATXSNDS] =
4482 I40E_GLPES_VFRDMATXSNDSLO(fcn_idx);
4483 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMATXWRS] =
4484 I40E_GLPES_VFRDMATXWRSLO(fcn_idx);
4485 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMAVBND] =
4486 I40E_GLPES_VFRDMAVBNDLO(fcn_idx);
4487 stat_table->stat_offset_64[I40IW_HW_STAT_INDEX_RDMAVINV] =
4488 I40E_GLPES_VFRDMAVINVLO(fcn_idx);
4489 }
4490
4491 for (stat_index = 0; stat_index < I40IW_HW_STAT_INDEX_MAX_64;
4492 stat_index++) {
4493 stat_reg_offset = stat_table->stat_offset_64[stat_index];
4494 last_rd_stats->stat_value_64[stat_index] =
4495 readq(devstat->hw->hw_addr + stat_reg_offset);
4496 }
4497
4498 for (stat_index = 0; stat_index < I40IW_HW_STAT_INDEX_MAX_32;
4499 stat_index++) {
4500 stat_reg_offset = stat_table->stat_offset_32[stat_index];
4501 last_rd_stats->stat_value_32[stat_index] =
4502 i40iw_rd32(devstat->hw, stat_reg_offset);
4503 }
4504}
4505
4506/**
4507 * i40iw_hw_stat_read_32 - Read 32-bit HW stat counters and accommodates for roll-overs.
4508 * @devstat: pestat struct
4509 * @index: index in HW stat table which contains offset reg-addr
4510 * @value: hw stat value
4511 */
4512static void i40iw_hw_stat_read_32(struct i40iw_dev_pestat *devstat,
4513 enum i40iw_hw_stat_index_32b index,
4514 u64 *value)
4515{
4516 struct i40iw_dev_hw_stat_offsets *stat_table =
4517 &devstat->hw_stat_offsets;
4518 struct i40iw_dev_hw_stats *last_rd_stats = &devstat->last_read_hw_stats;
4519 struct i40iw_dev_hw_stats *hw_stats = &devstat->hw_stats;
4520 u64 new_stat_value = 0;
4521 u32 stat_reg_offset = stat_table->stat_offset_32[index];
4522
4523 new_stat_value = i40iw_rd32(devstat->hw, stat_reg_offset);
4524 /*roll-over case */
4525 if (new_stat_value < last_rd_stats->stat_value_32[index])
4526 hw_stats->stat_value_32[index] += new_stat_value;
4527 else
4528 hw_stats->stat_value_32[index] +=
4529 new_stat_value - last_rd_stats->stat_value_32[index];
4530 last_rd_stats->stat_value_32[index] = new_stat_value;
4531 *value = hw_stats->stat_value_32[index];
4532}
4533
4534/**
4535 * i40iw_hw_stat_read_64 - Read HW stat counters (greater than 32-bit) and accommodates for roll-overs.
4536 * @devstat: pestat struct
4537 * @index: index in HW stat table which contains offset reg-addr
4538 * @value: hw stat value
4539 */
4540static void i40iw_hw_stat_read_64(struct i40iw_dev_pestat *devstat,
4541 enum i40iw_hw_stat_index_64b index,
4542 u64 *value)
4543{
4544 struct i40iw_dev_hw_stat_offsets *stat_table =
4545 &devstat->hw_stat_offsets;
4546 struct i40iw_dev_hw_stats *last_rd_stats = &devstat->last_read_hw_stats;
4547 struct i40iw_dev_hw_stats *hw_stats = &devstat->hw_stats;
4548 u64 new_stat_value = 0;
4549 u32 stat_reg_offset = stat_table->stat_offset_64[index];
4550
4551 new_stat_value = readq(devstat->hw->hw_addr + stat_reg_offset);
4552 /*roll-over case */
4553 if (new_stat_value < last_rd_stats->stat_value_64[index])
4554 hw_stats->stat_value_64[index] += new_stat_value;
4555 else
4556 hw_stats->stat_value_64[index] +=
4557 new_stat_value - last_rd_stats->stat_value_64[index];
4558 last_rd_stats->stat_value_64[index] = new_stat_value;
4559 *value = hw_stats->stat_value_64[index];
4560}
4561
4562/**
4563 * i40iw_hw_stat_read_all - read all HW stat counters
4564 * @devstat: pestat struct
4565 * @stat_values: hw stats structure
4566 *
4567 * Read all the HW stat counters and populates hw_stats structure
4568 * of passed-in dev's pestat as well as copy created in stat_values.
4569 */
4570static void i40iw_hw_stat_read_all(struct i40iw_dev_pestat *devstat,
4571 struct i40iw_dev_hw_stats *stat_values)
4572{
4573 u32 stat_index;
4574
4575 for (stat_index = 0; stat_index < I40IW_HW_STAT_INDEX_MAX_32;
4576 stat_index++)
4577 i40iw_hw_stat_read_32(devstat, stat_index,
4578 &stat_values->stat_value_32[stat_index]);
4579 for (stat_index = 0; stat_index < I40IW_HW_STAT_INDEX_MAX_64;
4580 stat_index++)
4581 i40iw_hw_stat_read_64(devstat, stat_index,
4582 &stat_values->stat_value_64[stat_index]);
4583}
4584
4585/**
4586 * i40iw_hw_stat_refresh_all - Update all HW stat structs
4587 * @devstat: pestat struct
4588 * @stat_values: hw stats structure
4589 *
4590 * Read all the HW stat counters to refresh values in hw_stats structure
4591 * of passed-in dev's pestat
4592 */
4593static void i40iw_hw_stat_refresh_all(struct i40iw_dev_pestat *devstat)
4594{
4595 u64 stat_value;
4596 u32 stat_index;
4597
4598 for (stat_index = 0; stat_index < I40IW_HW_STAT_INDEX_MAX_32;
4599 stat_index++)
4600 i40iw_hw_stat_read_32(devstat, stat_index, &stat_value);
4601 for (stat_index = 0; stat_index < I40IW_HW_STAT_INDEX_MAX_64;
4602 stat_index++)
4603 i40iw_hw_stat_read_64(devstat, stat_index, &stat_value);
4604}
4605
4606static struct i40iw_cqp_ops iw_cqp_ops = {
4607 i40iw_sc_cqp_init,
4608 i40iw_sc_cqp_create,
4609 i40iw_sc_cqp_post_sq,
4610 i40iw_sc_cqp_get_next_send_wqe,
4611 i40iw_sc_cqp_destroy,
4612 i40iw_sc_poll_for_cqp_op_done
4613};
4614
4615static struct i40iw_ccq_ops iw_ccq_ops = {
4616 i40iw_sc_ccq_init,
4617 i40iw_sc_ccq_create,
4618 i40iw_sc_ccq_destroy,
4619 i40iw_sc_ccq_create_done,
4620 i40iw_sc_ccq_get_cqe_info,
4621 i40iw_sc_ccq_arm
4622};
4623
4624static struct i40iw_ceq_ops iw_ceq_ops = {
4625 i40iw_sc_ceq_init,
4626 i40iw_sc_ceq_create,
4627 i40iw_sc_cceq_create_done,
4628 i40iw_sc_cceq_destroy_done,
4629 i40iw_sc_cceq_create,
4630 i40iw_sc_ceq_destroy,
4631 i40iw_sc_process_ceq
4632};
4633
4634static struct i40iw_aeq_ops iw_aeq_ops = {
4635 i40iw_sc_aeq_init,
4636 i40iw_sc_aeq_create,
4637 i40iw_sc_aeq_destroy,
4638 i40iw_sc_get_next_aeqe,
4639 i40iw_sc_repost_aeq_entries,
4640 i40iw_sc_aeq_create_done,
4641 i40iw_sc_aeq_destroy_done
4642};
4643
4644/* iwarp pd ops */
4645static struct i40iw_pd_ops iw_pd_ops = {
4646 i40iw_sc_pd_init,
4647};
4648
4649static struct i40iw_priv_qp_ops iw_priv_qp_ops = {
b7aee855
IM		 4650 .qp_init = i40iw_sc_qp_init,
4651 .qp_create = i40iw_sc_qp_create,
4652 .qp_modify = i40iw_sc_qp_modify,
4653 .qp_destroy = i40iw_sc_qp_destroy,
4654 .qp_flush_wqes = i40iw_sc_qp_flush_wqes,
4655 .qp_upload_context = i40iw_sc_qp_upload_context,
4656 .qp_setctx = i40iw_sc_qp_setctx,
4657 .qp_send_lsmm = i40iw_sc_send_lsmm,
4658 .qp_send_lsmm_nostag = i40iw_sc_send_lsmm_nostag,
4659 .qp_send_rtt = i40iw_sc_send_rtt,
4660 .qp_post_wqe0 = i40iw_sc_post_wqe0,
4661 .iw_mr_fast_register = i40iw_sc_mr_fast_register
86dbcd0f
FL		 4662};
4663
4664static struct i40iw_priv_cq_ops iw_priv_cq_ops = {
4665 i40iw_sc_cq_init,
4666 i40iw_sc_cq_create,
4667 i40iw_sc_cq_destroy,
4668 i40iw_sc_cq_modify,
4669};
4670
4671static struct i40iw_mr_ops iw_mr_ops = {
4672 i40iw_sc_alloc_stag,
4673 i40iw_sc_mr_reg_non_shared,
4674 i40iw_sc_mr_reg_shared,
4675 i40iw_sc_dealloc_stag,
4676 i40iw_sc_query_stag,
4677 i40iw_sc_mw_alloc
4678};
4679
4680static struct i40iw_cqp_misc_ops iw_cqp_misc_ops = {
4681 i40iw_sc_manage_push_page,
4682 i40iw_sc_manage_hmc_pm_func_table,
4683 i40iw_sc_set_hmc_resource_profile,
4684 i40iw_sc_commit_fpm_values,
4685 i40iw_sc_query_fpm_values,
4686 i40iw_sc_static_hmc_pages_allocated,
4687 i40iw_sc_add_arp_cache_entry,
4688 i40iw_sc_del_arp_cache_entry,
4689 i40iw_sc_query_arp_cache_entry,
4690 i40iw_sc_manage_apbvt_entry,
4691 i40iw_sc_manage_qhash_table_entry,
4692 i40iw_sc_alloc_local_mac_ipaddr_entry,
4693 i40iw_sc_add_local_mac_ipaddr_entry,
4694 i40iw_sc_del_local_mac_ipaddr_entry,
4695 i40iw_sc_cqp_nop,
4696 i40iw_sc_commit_fpm_values_done,
4697 i40iw_sc_query_fpm_values_done,
4698 i40iw_sc_manage_hmc_pm_func_table_done,
4699 i40iw_sc_suspend_qp,
4700 i40iw_sc_resume_qp
4701};
4702
4703static struct i40iw_hmc_ops iw_hmc_ops = {
4704 i40iw_sc_init_iw_hmc,
4705 i40iw_sc_parse_fpm_query_buf,
4706 i40iw_sc_configure_iw_fpm,
4707 i40iw_sc_parse_fpm_commit_buf,
4708 i40iw_sc_create_hmc_obj,
4709 i40iw_sc_del_hmc_obj,
4710 NULL,
4711 NULL
4712};
4713
4714static const struct i40iw_device_pestat_ops iw_device_pestat_ops = {
4715 i40iw_hw_stat_init,
4716 i40iw_hw_stat_read_32,
4717 i40iw_hw_stat_read_64,
4718 i40iw_hw_stat_read_all,
4719 i40iw_hw_stat_refresh_all
4720};
4721
4722/**
4723 * i40iw_device_init_pestat - Initialize the pestat structure
4724 * @dev: pestat struct
4725 */
4726enum i40iw_status_code i40iw_device_init_pestat(struct i40iw_dev_pestat *devstat)
4727{
4728 devstat->ops = iw_device_pestat_ops;
4729 return 0;
4730}
4731
4732/**
4733 * i40iw_device_init - Initialize IWARP device
4734 * @dev: IWARP device pointer
4735 * @info: IWARP init info
4736 */
4737enum i40iw_status_code i40iw_device_init(struct i40iw_sc_dev *dev,
4738 struct i40iw_device_init_info *info)
4739{
4740 u32 val;
4741 u32 vchnl_ver = 0;
4742 u16 hmc_fcn = 0;
4743 enum i40iw_status_code ret_code = 0;
4744 u8 db_size;
4745
4746 spin_lock_init(&dev->cqp_lock);
4747 INIT_LIST_HEAD(&dev->cqp_cmd_head); /* for the cqp commands backlog. */
4748
4749 i40iw_device_init_uk(&dev->dev_uk);
4750
4751 dev->debug_mask = info->debug_mask;
4752
4753 ret_code = i40iw_device_init_pestat(&dev->dev_pestat);
4754 if (ret_code) {
4755 i40iw_debug(dev, I40IW_DEBUG_DEV,
4756 "%s: i40iw_device_init_pestat failed\n", __func__);
4757 return ret_code;
4758 }
4759 dev->hmc_fn_id = info->hmc_fn_id;
4760 dev->qs_handle = info->qs_handle;
4761 dev->exception_lan_queue = info->exception_lan_queue;
4762 dev->is_pf = info->is_pf;
4763
4764 dev->fpm_query_buf_pa = info->fpm_query_buf_pa;
4765 dev->fpm_query_buf = info->fpm_query_buf;
4766
4767 dev->fpm_commit_buf_pa = info->fpm_commit_buf_pa;
4768 dev->fpm_commit_buf = info->fpm_commit_buf;
4769
4770 dev->hw = info->hw;
4771 dev->hw->hw_addr = info->bar0;
4772
4773 val = i40iw_rd32(dev->hw, I40E_GLPCI_DREVID);
4774 dev->hw_rev = (u8)RS_32(val, I40E_GLPCI_DREVID_DEFAULT_REVID);
4775
4776 if (dev->is_pf) {
4777 dev->dev_pestat.ops.iw_hw_stat_init(&dev->dev_pestat,
4778 dev->hmc_fn_id, dev->hw, true);
4779 spin_lock_init(&dev->dev_pestat.stats_lock);
4780 /*start the periodic stats_timer */
4781 i40iw_hw_stats_start_timer(dev);
4782 val = i40iw_rd32(dev->hw, I40E_GLPCI_LBARCTRL);
4783 db_size = (u8)RS_32(val, I40E_GLPCI_LBARCTRL_PE_DB_SIZE);
4784 if ((db_size != I40IW_PE_DB_SIZE_4M) &&
4785 (db_size != I40IW_PE_DB_SIZE_8M)) {
4786 i40iw_debug(dev, I40IW_DEBUG_DEV,
4787 "%s: PE doorbell is not enabled in CSR val 0x%x\n",
4788 __func__, val);
4789 ret_code = I40IW_ERR_PE_DOORBELL_NOT_ENABLED;
4790 return ret_code;
4791 }
4792 dev->db_addr = dev->hw->hw_addr + I40IW_DB_ADDR_OFFSET;
4793 dev->vchnl_if.vchnl_recv = i40iw_vchnl_recv_pf;
4794 } else {
4795 dev->db_addr = dev->hw->hw_addr + I40IW_VF_DB_ADDR_OFFSET;
4796 }
4797
4798 dev->cqp_ops = &iw_cqp_ops;
4799 dev->ccq_ops = &iw_ccq_ops;
4800 dev->ceq_ops = &iw_ceq_ops;
4801 dev->aeq_ops = &iw_aeq_ops;
4802 dev->cqp_misc_ops = &iw_cqp_misc_ops;
4803 dev->iw_pd_ops = &iw_pd_ops;
4804 dev->iw_priv_qp_ops = &iw_priv_qp_ops;
4805 dev->iw_priv_cq_ops = &iw_priv_cq_ops;
4806 dev->mr_ops = &iw_mr_ops;
4807 dev->hmc_ops = &iw_hmc_ops;
4808 dev->vchnl_if.vchnl_send = info->vchnl_send;
4809 if (dev->vchnl_if.vchnl_send)
4810 dev->vchnl_up = true;
4811 else
4812 dev->vchnl_up = false;
4813 if (!dev->is_pf) {
4814 dev->vchnl_if.vchnl_recv = i40iw_vchnl_recv_vf;
4815 ret_code = i40iw_vchnl_vf_get_ver(dev, &vchnl_ver);
4816 if (!ret_code) {
4817 i40iw_debug(dev, I40IW_DEBUG_DEV,
4818 "%s: Get Channel version rc = 0x%0x, version is %u\n",
4819 __func__, ret_code, vchnl_ver);
4820 ret_code = i40iw_vchnl_vf_get_hmc_fcn(dev, &hmc_fcn);
4821 if (!ret_code) {
4822 i40iw_debug(dev, I40IW_DEBUG_DEV,
4823 "%s Get HMC function rc = 0x%0x, hmc fcn is %u\n",
4824 __func__, ret_code, hmc_fcn);
4825 dev->hmc_fn_id = (u8)hmc_fcn;
4826 }
4827 }
4828 }
4829 dev->iw_vf_cqp_ops = &iw_vf_cqp_ops;
4830
4831 return ret_code;
4832}
Linux 6.x block layer and io_uring tree(s)