1 // SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
2 /* Copyright (c) 2015 - 2021 Intel Corporation */
3 #include <linux/etherdevice.h>
4
5 #include "osdep.h"
6 #include "hmc.h"
7 #include "defs.h"
8 #include "type.h"
9 #include "ws.h"
10 #include "protos.h"
11
12 /**
13 * irdma_get_qp_from_list - get next qp from a list
14 * @head: Listhead of qp's
15 * @qp: current qp
16 */
irdma_get_qp_from_list(struct list_head * head,struct irdma_sc_qp * qp)17 struct irdma_sc_qp *irdma_get_qp_from_list(struct list_head *head,
18 struct irdma_sc_qp *qp)
19 {
20 struct list_head *lastentry;
21 struct list_head *entry = NULL;
22
23 if (list_empty(head))
24 return NULL;
25
26 if (!qp) {
27 entry = head->next;
28 } else {
29 lastentry = &qp->list;
30 entry = lastentry->next;
31 if (entry == head)
32 return NULL;
33 }
34
35 return container_of(entry, struct irdma_sc_qp, list);
36 }
37
38 /**
39 * irdma_sc_suspend_resume_qps - suspend/resume all qp's on VSI
40 * @vsi: the VSI struct pointer
41 * @op: Set to IRDMA_OP_RESUME or IRDMA_OP_SUSPEND
42 */
irdma_sc_suspend_resume_qps(struct irdma_sc_vsi * vsi,u8 op)43 void irdma_sc_suspend_resume_qps(struct irdma_sc_vsi *vsi, u8 op)
44 {
45 struct irdma_sc_qp *qp = NULL;
46 u8 i;
47
48 for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) {
49 mutex_lock(&vsi->qos[i].qos_mutex);
50 qp = irdma_get_qp_from_list(&vsi->qos[i].qplist, qp);
51 while (qp) {
52 if (op == IRDMA_OP_RESUME) {
53 if (!qp->dev->ws_add(vsi, i)) {
54 qp->qs_handle =
55 vsi->qos[qp->user_pri].qs_handle;
56 irdma_cqp_qp_suspend_resume(qp, op);
57 } else {
58 irdma_cqp_qp_suspend_resume(qp, op);
59 irdma_modify_qp_to_err(qp);
60 }
61 } else if (op == IRDMA_OP_SUSPEND) {
62 /* issue cqp suspend command */
63 if (!irdma_cqp_qp_suspend_resume(qp, op))
64 atomic_inc(&vsi->qp_suspend_reqs);
65 }
66 qp = irdma_get_qp_from_list(&vsi->qos[i].qplist, qp);
67 }
68 mutex_unlock(&vsi->qos[i].qos_mutex);
69 }
70 }
71
irdma_set_qos_info(struct irdma_sc_vsi * vsi,struct irdma_l2params * l2p)72 static void irdma_set_qos_info(struct irdma_sc_vsi *vsi,
73 struct irdma_l2params *l2p)
74 {
75 u8 i;
76
77 vsi->qos_rel_bw = l2p->vsi_rel_bw;
78 vsi->qos_prio_type = l2p->vsi_prio_type;
79 vsi->dscp_mode = l2p->dscp_mode;
80 if (l2p->dscp_mode) {
81 memcpy(vsi->dscp_map, l2p->dscp_map, sizeof(vsi->dscp_map));
82 for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++)
83 l2p->up2tc[i] = i;
84 }
85 for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) {
86 if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
87 vsi->qos[i].qs_handle = l2p->qs_handle_list[i];
88 vsi->qos[i].traffic_class = l2p->up2tc[i];
89 vsi->qos[i].rel_bw =
90 l2p->tc_info[vsi->qos[i].traffic_class].rel_bw;
91 vsi->qos[i].prio_type =
92 l2p->tc_info[vsi->qos[i].traffic_class].prio_type;
93 vsi->qos[i].valid = false;
94 }
95 }
96
97 /**
98 * irdma_change_l2params - given the new l2 parameters, change all qp
99 * @vsi: RDMA VSI pointer
100 * @l2params: New parameters from l2
101 */
irdma_change_l2params(struct irdma_sc_vsi * vsi,struct irdma_l2params * l2params)102 void irdma_change_l2params(struct irdma_sc_vsi *vsi,
103 struct irdma_l2params *l2params)
104 {
105 if (l2params->mtu_changed) {
106 vsi->mtu = l2params->mtu;
107 if (vsi->ieq)
108 irdma_reinitialize_ieq(vsi);
109 }
110
111 if (!l2params->tc_changed)
112 return;
113
114 vsi->tc_change_pending = false;
115 irdma_set_qos_info(vsi, l2params);
116 irdma_sc_suspend_resume_qps(vsi, IRDMA_OP_RESUME);
117 }
118
119 /**
120 * irdma_qp_rem_qos - remove qp from qos lists during destroy qp
121 * @qp: qp to be removed from qos
122 */
irdma_qp_rem_qos(struct irdma_sc_qp * qp)123 void irdma_qp_rem_qos(struct irdma_sc_qp *qp)
124 {
125 struct irdma_sc_vsi *vsi = qp->vsi;
126
127 ibdev_dbg(to_ibdev(qp->dev),
128 "DCB: DCB: Remove qp[%d] UP[%d] qset[%d] on_qoslist[%d]\n",
129 qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle,
130 qp->on_qoslist);
131 mutex_lock(&vsi->qos[qp->user_pri].qos_mutex);
132 if (qp->on_qoslist) {
133 qp->on_qoslist = false;
134 list_del(&qp->list);
135 }
136 mutex_unlock(&vsi->qos[qp->user_pri].qos_mutex);
137 }
138
139 /**
140 * irdma_qp_add_qos - called during setctx for qp to be added to qos
141 * @qp: qp to be added to qos
142 */
irdma_qp_add_qos(struct irdma_sc_qp * qp)143 void irdma_qp_add_qos(struct irdma_sc_qp *qp)
144 {
145 struct irdma_sc_vsi *vsi = qp->vsi;
146
147 ibdev_dbg(to_ibdev(qp->dev),
148 "DCB: DCB: Add qp[%d] UP[%d] qset[%d] on_qoslist[%d]\n",
149 qp->qp_uk.qp_id, qp->user_pri, qp->qs_handle,
150 qp->on_qoslist);
151 mutex_lock(&vsi->qos[qp->user_pri].qos_mutex);
152 if (!qp->on_qoslist) {
153 list_add(&qp->list, &vsi->qos[qp->user_pri].qplist);
154 qp->on_qoslist = true;
155 qp->qs_handle = vsi->qos[qp->user_pri].qs_handle;
156 }
157 mutex_unlock(&vsi->qos[qp->user_pri].qos_mutex);
158 }
159
160 /**
161 * irdma_sc_pd_init - initialize sc pd struct
162 * @dev: sc device struct
163 * @pd: sc pd ptr
164 * @pd_id: pd_id for allocated pd
165 * @abi_ver: User/Kernel ABI version
166 */
irdma_sc_pd_init(struct irdma_sc_dev * dev,struct irdma_sc_pd * pd,u32 pd_id,int abi_ver)167 void irdma_sc_pd_init(struct irdma_sc_dev *dev, struct irdma_sc_pd *pd, u32 pd_id,
168 int abi_ver)
169 {
170 pd->pd_id = pd_id;
171 pd->abi_ver = abi_ver;
172 pd->dev = dev;
173 }
174
175 /**
176 * irdma_sc_add_arp_cache_entry - cqp wqe add arp cache entry
177 * @cqp: struct for cqp hw
178 * @info: arp entry information
179 * @scratch: u64 saved to be used during cqp completion
180 * @post_sq: flag for cqp db to ring
181 */
irdma_sc_add_arp_cache_entry(struct irdma_sc_cqp * cqp,struct irdma_add_arp_cache_entry_info * info,u64 scratch,bool post_sq)182 static int irdma_sc_add_arp_cache_entry(struct irdma_sc_cqp *cqp,
183 struct irdma_add_arp_cache_entry_info *info,
184 u64 scratch, bool post_sq)
185 {
186 __le64 *wqe;
187 u64 hdr;
188
189 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
190 if (!wqe)
191 return -ENOMEM;
192 set_64bit_val(wqe, 8, info->reach_max);
193 set_64bit_val(wqe, 16, ether_addr_to_u64(info->mac_addr));
194
195 hdr = info->arp_index |
196 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_ARP) |
197 FIELD_PREP(IRDMA_CQPSQ_MAT_PERMANENT, (info->permanent ? 1 : 0)) |
198 FIELD_PREP(IRDMA_CQPSQ_MAT_ENTRYVALID, 1) |
199 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
200 dma_wmb(); /* make sure WQE is written before valid bit is set */
201
202 set_64bit_val(wqe, 24, hdr);
203
204 print_hex_dump_debug("WQE: ARP_CACHE_ENTRY WQE", DUMP_PREFIX_OFFSET,
205 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
206 if (post_sq)
207 irdma_sc_cqp_post_sq(cqp);
208
209 return 0;
210 }
211
212 /**
213 * irdma_sc_del_arp_cache_entry - dele arp cache entry
214 * @cqp: struct for cqp hw
215 * @scratch: u64 saved to be used during cqp completion
216 * @arp_index: arp index to delete arp entry
217 * @post_sq: flag for cqp db to ring
218 */
irdma_sc_del_arp_cache_entry(struct irdma_sc_cqp * cqp,u64 scratch,u16 arp_index,bool post_sq)219 static int irdma_sc_del_arp_cache_entry(struct irdma_sc_cqp *cqp, u64 scratch,
220 u16 arp_index, bool post_sq)
221 {
222 __le64 *wqe;
223 u64 hdr;
224
225 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
226 if (!wqe)
227 return -ENOMEM;
228
229 hdr = arp_index |
230 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_ARP) |
231 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
232 dma_wmb(); /* make sure WQE is written before valid bit is set */
233
234 set_64bit_val(wqe, 24, hdr);
235
236 print_hex_dump_debug("WQE: ARP_CACHE_DEL_ENTRY WQE",
237 DUMP_PREFIX_OFFSET, 16, 8, wqe,
238 IRDMA_CQP_WQE_SIZE * 8, false);
239 if (post_sq)
240 irdma_sc_cqp_post_sq(cqp);
241
242 return 0;
243 }
244
245 /**
246 * irdma_sc_manage_apbvt_entry - for adding and deleting apbvt entries
247 * @cqp: struct for cqp hw
248 * @info: info for apbvt entry to add or delete
249 * @scratch: u64 saved to be used during cqp completion
250 * @post_sq: flag for cqp db to ring
251 */
irdma_sc_manage_apbvt_entry(struct irdma_sc_cqp * cqp,struct irdma_apbvt_info * info,u64 scratch,bool post_sq)252 static int irdma_sc_manage_apbvt_entry(struct irdma_sc_cqp *cqp,
253 struct irdma_apbvt_info *info,
254 u64 scratch, bool post_sq)
255 {
256 __le64 *wqe;
257 u64 hdr;
258
259 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
260 if (!wqe)
261 return -ENOMEM;
262
263 set_64bit_val(wqe, 16, info->port);
264
265 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_APBVT) |
266 FIELD_PREP(IRDMA_CQPSQ_MAPT_ADDPORT, info->add) |
267 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
268 dma_wmb(); /* make sure WQE is written before valid bit is set */
269
270 set_64bit_val(wqe, 24, hdr);
271
272 print_hex_dump_debug("WQE: MANAGE_APBVT WQE", DUMP_PREFIX_OFFSET, 16,
273 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
274 if (post_sq)
275 irdma_sc_cqp_post_sq(cqp);
276
277 return 0;
278 }
279
280 /**
281 * irdma_sc_manage_qhash_table_entry - manage quad hash entries
282 * @cqp: struct for cqp hw
283 * @info: info for quad hash to manage
284 * @scratch: u64 saved to be used during cqp completion
285 * @post_sq: flag for cqp db to ring
286 *
287 * This is called before connection establishment is started.
288 * For passive connections, when listener is created, it will
289 * call with entry type of IRDMA_QHASH_TYPE_TCP_SYN with local
290 * ip address and tcp port. When SYN is received (passive
291 * connections) or sent (active connections), this routine is
292 * called with entry type of IRDMA_QHASH_TYPE_TCP_ESTABLISHED
293 * and quad is passed in info.
294 *
295 * When iwarp connection is done and its state moves to RTS, the
296 * quad hash entry in the hardware will point to iwarp's qp
297 * number and requires no calls from the driver.
298 */
299 static int
irdma_sc_manage_qhash_table_entry(struct irdma_sc_cqp * cqp,struct irdma_qhash_table_info * info,u64 scratch,bool post_sq)300 irdma_sc_manage_qhash_table_entry(struct irdma_sc_cqp *cqp,
301 struct irdma_qhash_table_info *info,
302 u64 scratch, bool post_sq)
303 {
304 __le64 *wqe;
305 u64 qw1 = 0;
306 u64 qw2 = 0;
307 u64 temp;
308 struct irdma_sc_vsi *vsi = info->vsi;
309
310 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
311 if (!wqe)
312 return -ENOMEM;
313
314 set_64bit_val(wqe, 0, ether_addr_to_u64(info->mac_addr));
315
316 qw1 = FIELD_PREP(IRDMA_CQPSQ_QHASH_QPN, info->qp_num) |
317 FIELD_PREP(IRDMA_CQPSQ_QHASH_DEST_PORT, info->dest_port);
318 if (info->ipv4_valid) {
319 set_64bit_val(wqe, 48,
320 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->dest_ip[0]));
321 } else {
322 set_64bit_val(wqe, 56,
323 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR0, info->dest_ip[0]) |
324 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR1, info->dest_ip[1]));
325
326 set_64bit_val(wqe, 48,
327 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR2, info->dest_ip[2]) |
328 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->dest_ip[3]));
329 }
330 qw2 = FIELD_PREP(IRDMA_CQPSQ_QHASH_QS_HANDLE,
331 vsi->qos[info->user_pri].qs_handle);
332 if (info->vlan_valid)
333 qw2 |= FIELD_PREP(IRDMA_CQPSQ_QHASH_VLANID, info->vlan_id);
334 set_64bit_val(wqe, 16, qw2);
335 if (info->entry_type == IRDMA_QHASH_TYPE_TCP_ESTABLISHED) {
336 qw1 |= FIELD_PREP(IRDMA_CQPSQ_QHASH_SRC_PORT, info->src_port);
337 if (!info->ipv4_valid) {
338 set_64bit_val(wqe, 40,
339 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR0, info->src_ip[0]) |
340 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR1, info->src_ip[1]));
341 set_64bit_val(wqe, 32,
342 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR2, info->src_ip[2]) |
343 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->src_ip[3]));
344 } else {
345 set_64bit_val(wqe, 32,
346 FIELD_PREP(IRDMA_CQPSQ_QHASH_ADDR3, info->src_ip[0]));
347 }
348 }
349
350 set_64bit_val(wqe, 8, qw1);
351 temp = FIELD_PREP(IRDMA_CQPSQ_QHASH_WQEVALID, cqp->polarity) |
352 FIELD_PREP(IRDMA_CQPSQ_QHASH_OPCODE,
353 IRDMA_CQP_OP_MANAGE_QUAD_HASH_TABLE_ENTRY) |
354 FIELD_PREP(IRDMA_CQPSQ_QHASH_MANAGE, info->manage) |
355 FIELD_PREP(IRDMA_CQPSQ_QHASH_IPV4VALID, info->ipv4_valid) |
356 FIELD_PREP(IRDMA_CQPSQ_QHASH_VLANVALID, info->vlan_valid) |
357 FIELD_PREP(IRDMA_CQPSQ_QHASH_ENTRYTYPE, info->entry_type);
358 dma_wmb(); /* make sure WQE is written before valid bit is set */
359
360 set_64bit_val(wqe, 24, temp);
361
362 print_hex_dump_debug("WQE: MANAGE_QHASH WQE", DUMP_PREFIX_OFFSET, 16,
363 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
364 if (post_sq)
365 irdma_sc_cqp_post_sq(cqp);
366
367 return 0;
368 }
369
370 /**
371 * irdma_sc_qp_init - initialize qp
372 * @qp: sc qp
373 * @info: initialization qp info
374 */
irdma_sc_qp_init(struct irdma_sc_qp * qp,struct irdma_qp_init_info * info)375 int irdma_sc_qp_init(struct irdma_sc_qp *qp, struct irdma_qp_init_info *info)
376 {
377 int ret_code;
378 u32 pble_obj_cnt;
379 u16 wqe_size;
380
381 if (info->qp_uk_init_info.max_sq_frag_cnt >
382 info->pd->dev->hw_attrs.uk_attrs.max_hw_wq_frags ||
383 info->qp_uk_init_info.max_rq_frag_cnt >
384 info->pd->dev->hw_attrs.uk_attrs.max_hw_wq_frags)
385 return -EINVAL;
386
387 qp->dev = info->pd->dev;
388 qp->vsi = info->vsi;
389 qp->ieq_qp = info->vsi->exception_lan_q;
390 qp->sq_pa = info->sq_pa;
391 qp->rq_pa = info->rq_pa;
392 qp->hw_host_ctx_pa = info->host_ctx_pa;
393 qp->q2_pa = info->q2_pa;
394 qp->shadow_area_pa = info->shadow_area_pa;
395 qp->q2_buf = info->q2;
396 qp->pd = info->pd;
397 qp->hw_host_ctx = info->host_ctx;
398 info->qp_uk_init_info.wqe_alloc_db = qp->pd->dev->wqe_alloc_db;
399 ret_code = irdma_uk_qp_init(&qp->qp_uk, &info->qp_uk_init_info);
400 if (ret_code)
401 return ret_code;
402
403 qp->virtual_map = info->virtual_map;
404 pble_obj_cnt = info->pd->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
405
406 if ((info->virtual_map && info->sq_pa >= pble_obj_cnt) ||
407 (info->virtual_map && info->rq_pa >= pble_obj_cnt))
408 return -EINVAL;
409
410 qp->llp_stream_handle = (void *)(-1);
411 qp->hw_sq_size = irdma_get_encoded_wqe_size(qp->qp_uk.sq_ring.size,
412 IRDMA_QUEUE_TYPE_SQ_RQ);
413 ibdev_dbg(to_ibdev(qp->dev),
414 "WQE: hw_sq_size[%04d] sq_ring.size[%04d]\n",
415 qp->hw_sq_size, qp->qp_uk.sq_ring.size);
416 if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1 && qp->pd->abi_ver > 4)
417 wqe_size = IRDMA_WQE_SIZE_128;
418 else
419 ret_code = irdma_fragcnt_to_wqesize_rq(qp->qp_uk.max_rq_frag_cnt,
420 &wqe_size);
421 if (ret_code)
422 return ret_code;
423
424 qp->hw_rq_size = irdma_get_encoded_wqe_size(qp->qp_uk.rq_size *
425 (wqe_size / IRDMA_QP_WQE_MIN_SIZE), IRDMA_QUEUE_TYPE_SQ_RQ);
426 ibdev_dbg(to_ibdev(qp->dev),
427 "WQE: hw_rq_size[%04d] qp_uk.rq_size[%04d] wqe_size[%04d]\n",
428 qp->hw_rq_size, qp->qp_uk.rq_size, wqe_size);
429 qp->sq_tph_val = info->sq_tph_val;
430 qp->rq_tph_val = info->rq_tph_val;
431 qp->sq_tph_en = info->sq_tph_en;
432 qp->rq_tph_en = info->rq_tph_en;
433 qp->rcv_tph_en = info->rcv_tph_en;
434 qp->xmit_tph_en = info->xmit_tph_en;
435 qp->qp_uk.first_sq_wq = info->qp_uk_init_info.first_sq_wq;
436 qp->qs_handle = qp->vsi->qos[qp->user_pri].qs_handle;
437
438 return 0;
439 }
440
441 /**
442 * irdma_sc_qp_create - create qp
443 * @qp: sc qp
444 * @info: qp create info
445 * @scratch: u64 saved to be used during cqp completion
446 * @post_sq: flag for cqp db to ring
447 */
irdma_sc_qp_create(struct irdma_sc_qp * qp,struct irdma_create_qp_info * info,u64 scratch,bool post_sq)448 int irdma_sc_qp_create(struct irdma_sc_qp *qp, struct irdma_create_qp_info *info,
449 u64 scratch, bool post_sq)
450 {
451 struct irdma_sc_cqp *cqp;
452 __le64 *wqe;
453 u64 hdr;
454
455 cqp = qp->dev->cqp;
456 if (qp->qp_uk.qp_id < cqp->dev->hw_attrs.min_hw_qp_id ||
457 qp->qp_uk.qp_id >= cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt)
458 return -EINVAL;
459
460 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
461 if (!wqe)
462 return -ENOMEM;
463
464 set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
465 set_64bit_val(wqe, 40, qp->shadow_area_pa);
466
467 hdr = qp->qp_uk.qp_id |
468 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_QP) |
469 FIELD_PREP(IRDMA_CQPSQ_QP_ORDVALID, (info->ord_valid ? 1 : 0)) |
470 FIELD_PREP(IRDMA_CQPSQ_QP_TOECTXVALID, info->tcp_ctx_valid) |
471 FIELD_PREP(IRDMA_CQPSQ_QP_MACVALID, info->mac_valid) |
472 FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) |
473 FIELD_PREP(IRDMA_CQPSQ_QP_VQ, qp->virtual_map) |
474 FIELD_PREP(IRDMA_CQPSQ_QP_FORCELOOPBACK, info->force_lpb) |
475 FIELD_PREP(IRDMA_CQPSQ_QP_CQNUMVALID, info->cq_num_valid) |
476 FIELD_PREP(IRDMA_CQPSQ_QP_ARPTABIDXVALID,
477 info->arp_cache_idx_valid) |
478 FIELD_PREP(IRDMA_CQPSQ_QP_NEXTIWSTATE, info->next_iwarp_state) |
479 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
480 dma_wmb(); /* make sure WQE is written before valid bit is set */
481
482 set_64bit_val(wqe, 24, hdr);
483
484 print_hex_dump_debug("WQE: QP_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
485 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
486 if (post_sq)
487 irdma_sc_cqp_post_sq(cqp);
488
489 return 0;
490 }
491
492 /**
493 * irdma_sc_qp_modify - modify qp cqp wqe
494 * @qp: sc qp
495 * @info: modify qp info
496 * @scratch: u64 saved to be used during cqp completion
497 * @post_sq: flag for cqp db to ring
498 */
irdma_sc_qp_modify(struct irdma_sc_qp * qp,struct irdma_modify_qp_info * info,u64 scratch,bool post_sq)499 int irdma_sc_qp_modify(struct irdma_sc_qp *qp, struct irdma_modify_qp_info *info,
500 u64 scratch, bool post_sq)
501 {
502 __le64 *wqe;
503 struct irdma_sc_cqp *cqp;
504 u64 hdr;
505 u8 term_actions = 0;
506 u8 term_len = 0;
507
508 cqp = qp->dev->cqp;
509 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
510 if (!wqe)
511 return -ENOMEM;
512
513 if (info->next_iwarp_state == IRDMA_QP_STATE_TERMINATE) {
514 if (info->dont_send_fin)
515 term_actions += IRDMAQP_TERM_SEND_TERM_ONLY;
516 if (info->dont_send_term)
517 term_actions += IRDMAQP_TERM_SEND_FIN_ONLY;
518 if (term_actions == IRDMAQP_TERM_SEND_TERM_AND_FIN ||
519 term_actions == IRDMAQP_TERM_SEND_TERM_ONLY)
520 term_len = info->termlen;
521 }
522
523 set_64bit_val(wqe, 8,
524 FIELD_PREP(IRDMA_CQPSQ_QP_NEWMSS, info->new_mss) |
525 FIELD_PREP(IRDMA_CQPSQ_QP_TERMLEN, term_len));
526 set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
527 set_64bit_val(wqe, 40, qp->shadow_area_pa);
528
529 hdr = qp->qp_uk.qp_id |
530 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_QP) |
531 FIELD_PREP(IRDMA_CQPSQ_QP_ORDVALID, info->ord_valid) |
532 FIELD_PREP(IRDMA_CQPSQ_QP_TOECTXVALID, info->tcp_ctx_valid) |
533 FIELD_PREP(IRDMA_CQPSQ_QP_CACHEDVARVALID,
534 info->cached_var_valid) |
535 FIELD_PREP(IRDMA_CQPSQ_QP_VQ, qp->virtual_map) |
536 FIELD_PREP(IRDMA_CQPSQ_QP_FORCELOOPBACK, info->force_lpb) |
537 FIELD_PREP(IRDMA_CQPSQ_QP_CQNUMVALID, info->cq_num_valid) |
538 FIELD_PREP(IRDMA_CQPSQ_QP_MACVALID, info->mac_valid) |
539 FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) |
540 FIELD_PREP(IRDMA_CQPSQ_QP_MSSCHANGE, info->mss_change) |
541 FIELD_PREP(IRDMA_CQPSQ_QP_REMOVEHASHENTRY,
542 info->remove_hash_idx) |
543 FIELD_PREP(IRDMA_CQPSQ_QP_TERMACT, term_actions) |
544 FIELD_PREP(IRDMA_CQPSQ_QP_RESETCON, info->reset_tcp_conn) |
545 FIELD_PREP(IRDMA_CQPSQ_QP_ARPTABIDXVALID,
546 info->arp_cache_idx_valid) |
547 FIELD_PREP(IRDMA_CQPSQ_QP_NEXTIWSTATE, info->next_iwarp_state) |
548 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
549 dma_wmb(); /* make sure WQE is written before valid bit is set */
550
551 set_64bit_val(wqe, 24, hdr);
552
553 print_hex_dump_debug("WQE: QP_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8,
554 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
555 if (post_sq)
556 irdma_sc_cqp_post_sq(cqp);
557
558 return 0;
559 }
560
561 /**
562 * irdma_sc_qp_destroy - cqp destroy qp
563 * @qp: sc qp
564 * @scratch: u64 saved to be used during cqp completion
565 * @remove_hash_idx: flag if to remove hash idx
566 * @ignore_mw_bnd: memory window bind flag
567 * @post_sq: flag for cqp db to ring
568 */
irdma_sc_qp_destroy(struct irdma_sc_qp * qp,u64 scratch,bool remove_hash_idx,bool ignore_mw_bnd,bool post_sq)569 int irdma_sc_qp_destroy(struct irdma_sc_qp *qp, u64 scratch,
570 bool remove_hash_idx, bool ignore_mw_bnd, bool post_sq)
571 {
572 __le64 *wqe;
573 struct irdma_sc_cqp *cqp;
574 u64 hdr;
575
576 cqp = qp->dev->cqp;
577 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
578 if (!wqe)
579 return -ENOMEM;
580
581 set_64bit_val(wqe, 16, qp->hw_host_ctx_pa);
582 set_64bit_val(wqe, 40, qp->shadow_area_pa);
583
584 hdr = qp->qp_uk.qp_id |
585 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_QP) |
586 FIELD_PREP(IRDMA_CQPSQ_QP_QPTYPE, qp->qp_uk.qp_type) |
587 FIELD_PREP(IRDMA_CQPSQ_QP_IGNOREMWBOUND, ignore_mw_bnd) |
588 FIELD_PREP(IRDMA_CQPSQ_QP_REMOVEHASHENTRY, remove_hash_idx) |
589 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
590 dma_wmb(); /* make sure WQE is written before valid bit is set */
591
592 set_64bit_val(wqe, 24, hdr);
593
594 print_hex_dump_debug("WQE: QP_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8,
595 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
596 if (post_sq)
597 irdma_sc_cqp_post_sq(cqp);
598
599 return 0;
600 }
601
602 /**
603 * irdma_sc_get_encoded_ird_size -
604 * @ird_size: IRD size
605 * The ird from the connection is rounded to a supported HW setting and then encoded
606 * for ird_size field of qp_ctx. Consumers are expected to provide valid ird size based
607 * on hardware attributes. IRD size defaults to a value of 4 in case of invalid input
608 */
irdma_sc_get_encoded_ird_size(u16 ird_size)609 static u8 irdma_sc_get_encoded_ird_size(u16 ird_size)
610 {
611 switch (ird_size ?
612 roundup_pow_of_two(2 * ird_size) : 4) {
613 case 256:
614 return IRDMA_IRD_HW_SIZE_256;
615 case 128:
616 return IRDMA_IRD_HW_SIZE_128;
617 case 64:
618 case 32:
619 return IRDMA_IRD_HW_SIZE_64;
620 case 16:
621 case 8:
622 return IRDMA_IRD_HW_SIZE_16;
623 case 4:
624 default:
625 break;
626 }
627
628 return IRDMA_IRD_HW_SIZE_4;
629 }
630
631 /**
632 * irdma_sc_qp_setctx_roce - set qp's context
633 * @qp: sc qp
634 * @qp_ctx: context ptr
635 * @info: ctx info
636 */
irdma_sc_qp_setctx_roce(struct irdma_sc_qp * qp,__le64 * qp_ctx,struct irdma_qp_host_ctx_info * info)637 void irdma_sc_qp_setctx_roce(struct irdma_sc_qp *qp, __le64 *qp_ctx,
638 struct irdma_qp_host_ctx_info *info)
639 {
640 struct irdma_roce_offload_info *roce_info;
641 struct irdma_udp_offload_info *udp;
642 u8 push_mode_en;
643 u32 push_idx;
644
645 roce_info = info->roce_info;
646 udp = info->udp_info;
647 qp->user_pri = info->user_pri;
648 if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) {
649 push_mode_en = 0;
650 push_idx = 0;
651 } else {
652 push_mode_en = 1;
653 push_idx = qp->push_idx;
654 }
655 set_64bit_val(qp_ctx, 0,
656 FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) |
657 FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) |
658 FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) |
659 FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) |
660 FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) |
661 FIELD_PREP(IRDMAQPC_PPIDX, push_idx) |
662 FIELD_PREP(IRDMAQPC_PMENA, push_mode_en) |
663 FIELD_PREP(IRDMAQPC_PDIDXHI, roce_info->pd_id >> 16) |
664 FIELD_PREP(IRDMAQPC_DC_TCP_EN, roce_info->dctcp_en) |
665 FIELD_PREP(IRDMAQPC_ERR_RQ_IDX_VALID, roce_info->err_rq_idx_valid) |
666 FIELD_PREP(IRDMAQPC_ISQP1, roce_info->is_qp1) |
667 FIELD_PREP(IRDMAQPC_ROCE_TVER, roce_info->roce_tver) |
668 FIELD_PREP(IRDMAQPC_IPV4, udp->ipv4) |
669 FIELD_PREP(IRDMAQPC_INSERTVLANTAG, udp->insert_vlan_tag));
670 set_64bit_val(qp_ctx, 8, qp->sq_pa);
671 set_64bit_val(qp_ctx, 16, qp->rq_pa);
672 if ((roce_info->dcqcn_en || roce_info->dctcp_en) &&
673 !(udp->tos & 0x03))
674 udp->tos |= ECN_CODE_PT_VAL;
675 set_64bit_val(qp_ctx, 24,
676 FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) |
677 FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size) |
678 FIELD_PREP(IRDMAQPC_TTL, udp->ttl) | FIELD_PREP(IRDMAQPC_TOS, udp->tos) |
679 FIELD_PREP(IRDMAQPC_SRCPORTNUM, udp->src_port) |
680 FIELD_PREP(IRDMAQPC_DESTPORTNUM, udp->dst_port));
681 set_64bit_val(qp_ctx, 32,
682 FIELD_PREP(IRDMAQPC_DESTIPADDR2, udp->dest_ip_addr[2]) |
683 FIELD_PREP(IRDMAQPC_DESTIPADDR3, udp->dest_ip_addr[3]));
684 set_64bit_val(qp_ctx, 40,
685 FIELD_PREP(IRDMAQPC_DESTIPADDR0, udp->dest_ip_addr[0]) |
686 FIELD_PREP(IRDMAQPC_DESTIPADDR1, udp->dest_ip_addr[1]));
687 set_64bit_val(qp_ctx, 48,
688 FIELD_PREP(IRDMAQPC_SNDMSS, udp->snd_mss) |
689 FIELD_PREP(IRDMAQPC_VLANTAG, udp->vlan_tag) |
690 FIELD_PREP(IRDMAQPC_ARPIDX, udp->arp_idx));
691 set_64bit_val(qp_ctx, 56,
692 FIELD_PREP(IRDMAQPC_PKEY, roce_info->p_key) |
693 FIELD_PREP(IRDMAQPC_PDIDX, roce_info->pd_id) |
694 FIELD_PREP(IRDMAQPC_ACKCREDITS, roce_info->ack_credits) |
695 FIELD_PREP(IRDMAQPC_FLOWLABEL, udp->flow_label));
696 set_64bit_val(qp_ctx, 64,
697 FIELD_PREP(IRDMAQPC_QKEY, roce_info->qkey) |
698 FIELD_PREP(IRDMAQPC_DESTQP, roce_info->dest_qp));
699 set_64bit_val(qp_ctx, 80,
700 FIELD_PREP(IRDMAQPC_PSNNXT, udp->psn_nxt) |
701 FIELD_PREP(IRDMAQPC_LSN, udp->lsn));
702 set_64bit_val(qp_ctx, 88,
703 FIELD_PREP(IRDMAQPC_EPSN, udp->epsn));
704 set_64bit_val(qp_ctx, 96,
705 FIELD_PREP(IRDMAQPC_PSNMAX, udp->psn_max) |
706 FIELD_PREP(IRDMAQPC_PSNUNA, udp->psn_una));
707 set_64bit_val(qp_ctx, 112,
708 FIELD_PREP(IRDMAQPC_CWNDROCE, udp->cwnd));
709 set_64bit_val(qp_ctx, 128,
710 FIELD_PREP(IRDMAQPC_ERR_RQ_IDX, roce_info->err_rq_idx) |
711 FIELD_PREP(IRDMAQPC_RNRNAK_THRESH, udp->rnr_nak_thresh) |
712 FIELD_PREP(IRDMAQPC_REXMIT_THRESH, udp->rexmit_thresh) |
713 FIELD_PREP(IRDMAQPC_RTOMIN, roce_info->rtomin));
714 set_64bit_val(qp_ctx, 136,
715 FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) |
716 FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num));
717 set_64bit_val(qp_ctx, 144,
718 FIELD_PREP(IRDMAQPC_STAT_INDEX, info->stats_idx));
719 set_64bit_val(qp_ctx, 152, ether_addr_to_u64(roce_info->mac_addr) << 16);
720 set_64bit_val(qp_ctx, 160,
721 FIELD_PREP(IRDMAQPC_ORDSIZE, roce_info->ord_size) |
722 FIELD_PREP(IRDMAQPC_IRDSIZE, irdma_sc_get_encoded_ird_size(roce_info->ird_size)) |
723 FIELD_PREP(IRDMAQPC_WRRDRSPOK, roce_info->wr_rdresp_en) |
724 FIELD_PREP(IRDMAQPC_RDOK, roce_info->rd_en) |
725 FIELD_PREP(IRDMAQPC_USESTATSINSTANCE, info->stats_idx_valid) |
726 FIELD_PREP(IRDMAQPC_BINDEN, roce_info->bind_en) |
727 FIELD_PREP(IRDMAQPC_FASTREGEN, roce_info->fast_reg_en) |
728 FIELD_PREP(IRDMAQPC_DCQCNENABLE, roce_info->dcqcn_en) |
729 FIELD_PREP(IRDMAQPC_RCVNOICRC, roce_info->rcv_no_icrc) |
730 FIELD_PREP(IRDMAQPC_FW_CC_ENABLE, roce_info->fw_cc_enable) |
731 FIELD_PREP(IRDMAQPC_UDPRIVCQENABLE, roce_info->udprivcq_en) |
732 FIELD_PREP(IRDMAQPC_PRIVEN, roce_info->priv_mode_en) |
733 FIELD_PREP(IRDMAQPC_TIMELYENABLE, roce_info->timely_en));
734 set_64bit_val(qp_ctx, 168,
735 FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx));
736 set_64bit_val(qp_ctx, 176,
737 FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) |
738 FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) |
739 FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle));
740 set_64bit_val(qp_ctx, 184,
741 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, udp->local_ipaddr[3]) |
742 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, udp->local_ipaddr[2]));
743 set_64bit_val(qp_ctx, 192,
744 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, udp->local_ipaddr[1]) |
745 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, udp->local_ipaddr[0]));
746 set_64bit_val(qp_ctx, 200,
747 FIELD_PREP(IRDMAQPC_THIGH, roce_info->t_high) |
748 FIELD_PREP(IRDMAQPC_TLOW, roce_info->t_low));
749 set_64bit_val(qp_ctx, 208,
750 FIELD_PREP(IRDMAQPC_REMENDPOINTIDX, info->rem_endpoint_idx));
751
752 print_hex_dump_debug("WQE: QP_HOST CTX WQE", DUMP_PREFIX_OFFSET, 16,
753 8, qp_ctx, IRDMA_QP_CTX_SIZE, false);
754 }
755
756 /* irdma_sc_alloc_local_mac_entry - allocate a mac entry
757 * @cqp: struct for cqp hw
758 * @scratch: u64 saved to be used during cqp completion
759 * @post_sq: flag for cqp db to ring
760 */
irdma_sc_alloc_local_mac_entry(struct irdma_sc_cqp * cqp,u64 scratch,bool post_sq)761 static int irdma_sc_alloc_local_mac_entry(struct irdma_sc_cqp *cqp, u64 scratch,
762 bool post_sq)
763 {
764 __le64 *wqe;
765 u64 hdr;
766
767 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
768 if (!wqe)
769 return -ENOMEM;
770
771 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE,
772 IRDMA_CQP_OP_ALLOCATE_LOC_MAC_TABLE_ENTRY) |
773 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
774
775 dma_wmb(); /* make sure WQE is written before valid bit is set */
776
777 set_64bit_val(wqe, 24, hdr);
778
779 print_hex_dump_debug("WQE: ALLOCATE_LOCAL_MAC WQE",
780 DUMP_PREFIX_OFFSET, 16, 8, wqe,
781 IRDMA_CQP_WQE_SIZE * 8, false);
782
783 if (post_sq)
784 irdma_sc_cqp_post_sq(cqp);
785 return 0;
786 }
787
788 /**
789 * irdma_sc_add_local_mac_entry - add mac enry
790 * @cqp: struct for cqp hw
791 * @info:mac addr info
792 * @scratch: u64 saved to be used during cqp completion
793 * @post_sq: flag for cqp db to ring
794 */
irdma_sc_add_local_mac_entry(struct irdma_sc_cqp * cqp,struct irdma_local_mac_entry_info * info,u64 scratch,bool post_sq)795 static int irdma_sc_add_local_mac_entry(struct irdma_sc_cqp *cqp,
796 struct irdma_local_mac_entry_info *info,
797 u64 scratch, bool post_sq)
798 {
799 __le64 *wqe;
800 u64 header;
801
802 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
803 if (!wqe)
804 return -ENOMEM;
805
806 set_64bit_val(wqe, 32, ether_addr_to_u64(info->mac_addr));
807
808 header = FIELD_PREP(IRDMA_CQPSQ_MLM_TABLEIDX, info->entry_idx) |
809 FIELD_PREP(IRDMA_CQPSQ_OPCODE,
810 IRDMA_CQP_OP_MANAGE_LOC_MAC_TABLE) |
811 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
812
813 dma_wmb(); /* make sure WQE is written before valid bit is set */
814
815 set_64bit_val(wqe, 24, header);
816
817 print_hex_dump_debug("WQE: ADD_LOCAL_MAC WQE", DUMP_PREFIX_OFFSET, 16,
818 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
819
820 if (post_sq)
821 irdma_sc_cqp_post_sq(cqp);
822 return 0;
823 }
824
825 /**
826 * irdma_sc_del_local_mac_entry - cqp wqe to dele local mac
827 * @cqp: struct for cqp hw
828 * @scratch: u64 saved to be used during cqp completion
829 * @entry_idx: index of mac entry
830 * @ignore_ref_count: to force mac adde delete
831 * @post_sq: flag for cqp db to ring
832 */
irdma_sc_del_local_mac_entry(struct irdma_sc_cqp * cqp,u64 scratch,u16 entry_idx,u8 ignore_ref_count,bool post_sq)833 static int irdma_sc_del_local_mac_entry(struct irdma_sc_cqp *cqp, u64 scratch,
834 u16 entry_idx, u8 ignore_ref_count,
835 bool post_sq)
836 {
837 __le64 *wqe;
838 u64 header;
839
840 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
841 if (!wqe)
842 return -ENOMEM;
843 header = FIELD_PREP(IRDMA_CQPSQ_MLM_TABLEIDX, entry_idx) |
844 FIELD_PREP(IRDMA_CQPSQ_OPCODE,
845 IRDMA_CQP_OP_MANAGE_LOC_MAC_TABLE) |
846 FIELD_PREP(IRDMA_CQPSQ_MLM_FREEENTRY, 1) |
847 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) |
848 FIELD_PREP(IRDMA_CQPSQ_MLM_IGNORE_REF_CNT, ignore_ref_count);
849
850 dma_wmb(); /* make sure WQE is written before valid bit is set */
851
852 set_64bit_val(wqe, 24, header);
853
854 print_hex_dump_debug("WQE: DEL_LOCAL_MAC_IPADDR WQE",
855 DUMP_PREFIX_OFFSET, 16, 8, wqe,
856 IRDMA_CQP_WQE_SIZE * 8, false);
857
858 if (post_sq)
859 irdma_sc_cqp_post_sq(cqp);
860 return 0;
861 }
862
863 /**
864 * irdma_sc_qp_setctx - set qp's context
865 * @qp: sc qp
866 * @qp_ctx: context ptr
867 * @info: ctx info
868 */
irdma_sc_qp_setctx(struct irdma_sc_qp * qp,__le64 * qp_ctx,struct irdma_qp_host_ctx_info * info)869 void irdma_sc_qp_setctx(struct irdma_sc_qp *qp, __le64 *qp_ctx,
870 struct irdma_qp_host_ctx_info *info)
871 {
872 struct irdma_iwarp_offload_info *iw;
873 struct irdma_tcp_offload_info *tcp;
874 struct irdma_sc_dev *dev;
875 u8 push_mode_en;
876 u32 push_idx;
877 u64 qw0, qw3, qw7 = 0, qw16 = 0;
878 u64 mac = 0;
879
880 iw = info->iwarp_info;
881 tcp = info->tcp_info;
882 dev = qp->dev;
883 if (iw->rcv_mark_en) {
884 qp->pfpdu.marker_len = 4;
885 qp->pfpdu.rcv_start_seq = tcp->rcv_nxt;
886 }
887 qp->user_pri = info->user_pri;
888 if (qp->push_idx == IRDMA_INVALID_PUSH_PAGE_INDEX) {
889 push_mode_en = 0;
890 push_idx = 0;
891 } else {
892 push_mode_en = 1;
893 push_idx = qp->push_idx;
894 }
895 qw0 = FIELD_PREP(IRDMAQPC_RQWQESIZE, qp->qp_uk.rq_wqe_size) |
896 FIELD_PREP(IRDMAQPC_RCVTPHEN, qp->rcv_tph_en) |
897 FIELD_PREP(IRDMAQPC_XMITTPHEN, qp->xmit_tph_en) |
898 FIELD_PREP(IRDMAQPC_RQTPHEN, qp->rq_tph_en) |
899 FIELD_PREP(IRDMAQPC_SQTPHEN, qp->sq_tph_en) |
900 FIELD_PREP(IRDMAQPC_PPIDX, push_idx) |
901 FIELD_PREP(IRDMAQPC_PMENA, push_mode_en);
902
903 set_64bit_val(qp_ctx, 8, qp->sq_pa);
904 set_64bit_val(qp_ctx, 16, qp->rq_pa);
905
906 qw3 = FIELD_PREP(IRDMAQPC_RQSIZE, qp->hw_rq_size) |
907 FIELD_PREP(IRDMAQPC_SQSIZE, qp->hw_sq_size);
908 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
909 qw3 |= FIELD_PREP(IRDMAQPC_GEN1_SRCMACADDRIDX,
910 qp->src_mac_addr_idx);
911 set_64bit_val(qp_ctx, 136,
912 FIELD_PREP(IRDMAQPC_TXCQNUM, info->send_cq_num) |
913 FIELD_PREP(IRDMAQPC_RXCQNUM, info->rcv_cq_num));
914 set_64bit_val(qp_ctx, 168,
915 FIELD_PREP(IRDMAQPC_QPCOMPCTX, info->qp_compl_ctx));
916 set_64bit_val(qp_ctx, 176,
917 FIELD_PREP(IRDMAQPC_SQTPHVAL, qp->sq_tph_val) |
918 FIELD_PREP(IRDMAQPC_RQTPHVAL, qp->rq_tph_val) |
919 FIELD_PREP(IRDMAQPC_QSHANDLE, qp->qs_handle) |
920 FIELD_PREP(IRDMAQPC_EXCEPTION_LAN_QUEUE, qp->ieq_qp));
921 if (info->iwarp_info_valid) {
922 qw0 |= FIELD_PREP(IRDMAQPC_DDP_VER, iw->ddp_ver) |
923 FIELD_PREP(IRDMAQPC_RDMAP_VER, iw->rdmap_ver) |
924 FIELD_PREP(IRDMAQPC_DC_TCP_EN, iw->dctcp_en) |
925 FIELD_PREP(IRDMAQPC_ECN_EN, iw->ecn_en) |
926 FIELD_PREP(IRDMAQPC_IBRDENABLE, iw->ib_rd_en) |
927 FIELD_PREP(IRDMAQPC_PDIDXHI, iw->pd_id >> 16) |
928 FIELD_PREP(IRDMAQPC_ERR_RQ_IDX_VALID,
929 iw->err_rq_idx_valid);
930 qw7 |= FIELD_PREP(IRDMAQPC_PDIDX, iw->pd_id);
931 qw16 |= FIELD_PREP(IRDMAQPC_ERR_RQ_IDX, iw->err_rq_idx) |
932 FIELD_PREP(IRDMAQPC_RTOMIN, iw->rtomin);
933 set_64bit_val(qp_ctx, 144,
934 FIELD_PREP(IRDMAQPC_Q2ADDR, qp->q2_pa >> 8) |
935 FIELD_PREP(IRDMAQPC_STAT_INDEX, info->stats_idx));
936
937 if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2)
938 mac = ether_addr_to_u64(iw->mac_addr);
939
940 set_64bit_val(qp_ctx, 152,
941 mac << 16 | FIELD_PREP(IRDMAQPC_LASTBYTESENT, iw->last_byte_sent));
942 set_64bit_val(qp_ctx, 160,
943 FIELD_PREP(IRDMAQPC_ORDSIZE, iw->ord_size) |
944 FIELD_PREP(IRDMAQPC_IRDSIZE, irdma_sc_get_encoded_ird_size(iw->ird_size)) |
945 FIELD_PREP(IRDMAQPC_WRRDRSPOK, iw->wr_rdresp_en) |
946 FIELD_PREP(IRDMAQPC_RDOK, iw->rd_en) |
947 FIELD_PREP(IRDMAQPC_SNDMARKERS, iw->snd_mark_en) |
948 FIELD_PREP(IRDMAQPC_BINDEN, iw->bind_en) |
949 FIELD_PREP(IRDMAQPC_FASTREGEN, iw->fast_reg_en) |
950 FIELD_PREP(IRDMAQPC_PRIVEN, iw->priv_mode_en) |
951 FIELD_PREP(IRDMAQPC_USESTATSINSTANCE, info->stats_idx_valid) |
952 FIELD_PREP(IRDMAQPC_IWARPMODE, 1) |
953 FIELD_PREP(IRDMAQPC_RCVMARKERS, iw->rcv_mark_en) |
954 FIELD_PREP(IRDMAQPC_ALIGNHDRS, iw->align_hdrs) |
955 FIELD_PREP(IRDMAQPC_RCVNOMPACRC, iw->rcv_no_mpa_crc) |
956 FIELD_PREP(IRDMAQPC_RCVMARKOFFSET, iw->rcv_mark_offset || !tcp ? iw->rcv_mark_offset : tcp->rcv_nxt) |
957 FIELD_PREP(IRDMAQPC_SNDMARKOFFSET, iw->snd_mark_offset || !tcp ? iw->snd_mark_offset : tcp->snd_nxt) |
958 FIELD_PREP(IRDMAQPC_TIMELYENABLE, iw->timely_en));
959 }
960 if (info->tcp_info_valid) {
961 qw0 |= FIELD_PREP(IRDMAQPC_IPV4, tcp->ipv4) |
962 FIELD_PREP(IRDMAQPC_NONAGLE, tcp->no_nagle) |
963 FIELD_PREP(IRDMAQPC_INSERTVLANTAG,
964 tcp->insert_vlan_tag) |
965 FIELD_PREP(IRDMAQPC_TIMESTAMP, tcp->time_stamp) |
966 FIELD_PREP(IRDMAQPC_LIMIT, tcp->cwnd_inc_limit) |
967 FIELD_PREP(IRDMAQPC_DROPOOOSEG, tcp->drop_ooo_seg) |
968 FIELD_PREP(IRDMAQPC_DUPACK_THRESH, tcp->dup_ack_thresh);
969
970 if ((iw->ecn_en || iw->dctcp_en) && !(tcp->tos & 0x03))
971 tcp->tos |= ECN_CODE_PT_VAL;
972
973 qw3 |= FIELD_PREP(IRDMAQPC_TTL, tcp->ttl) |
974 FIELD_PREP(IRDMAQPC_AVOIDSTRETCHACK, tcp->avoid_stretch_ack) |
975 FIELD_PREP(IRDMAQPC_TOS, tcp->tos) |
976 FIELD_PREP(IRDMAQPC_SRCPORTNUM, tcp->src_port) |
977 FIELD_PREP(IRDMAQPC_DESTPORTNUM, tcp->dst_port);
978 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) {
979 qw3 |= FIELD_PREP(IRDMAQPC_GEN1_SRCMACADDRIDX, tcp->src_mac_addr_idx);
980
981 qp->src_mac_addr_idx = tcp->src_mac_addr_idx;
982 }
983 set_64bit_val(qp_ctx, 32,
984 FIELD_PREP(IRDMAQPC_DESTIPADDR2, tcp->dest_ip_addr[2]) |
985 FIELD_PREP(IRDMAQPC_DESTIPADDR3, tcp->dest_ip_addr[3]));
986 set_64bit_val(qp_ctx, 40,
987 FIELD_PREP(IRDMAQPC_DESTIPADDR0, tcp->dest_ip_addr[0]) |
988 FIELD_PREP(IRDMAQPC_DESTIPADDR1, tcp->dest_ip_addr[1]));
989 set_64bit_val(qp_ctx, 48,
990 FIELD_PREP(IRDMAQPC_SNDMSS, tcp->snd_mss) |
991 FIELD_PREP(IRDMAQPC_SYN_RST_HANDLING, tcp->syn_rst_handling) |
992 FIELD_PREP(IRDMAQPC_VLANTAG, tcp->vlan_tag) |
993 FIELD_PREP(IRDMAQPC_ARPIDX, tcp->arp_idx));
994 qw7 |= FIELD_PREP(IRDMAQPC_FLOWLABEL, tcp->flow_label) |
995 FIELD_PREP(IRDMAQPC_WSCALE, tcp->wscale) |
996 FIELD_PREP(IRDMAQPC_IGNORE_TCP_OPT,
997 tcp->ignore_tcp_opt) |
998 FIELD_PREP(IRDMAQPC_IGNORE_TCP_UNS_OPT,
999 tcp->ignore_tcp_uns_opt) |
1000 FIELD_PREP(IRDMAQPC_TCPSTATE, tcp->tcp_state) |
1001 FIELD_PREP(IRDMAQPC_RCVSCALE, tcp->rcv_wscale) |
1002 FIELD_PREP(IRDMAQPC_SNDSCALE, tcp->snd_wscale);
1003 set_64bit_val(qp_ctx, 72,
1004 FIELD_PREP(IRDMAQPC_TIMESTAMP_RECENT, tcp->time_stamp_recent) |
1005 FIELD_PREP(IRDMAQPC_TIMESTAMP_AGE, tcp->time_stamp_age));
1006 set_64bit_val(qp_ctx, 80,
1007 FIELD_PREP(IRDMAQPC_SNDNXT, tcp->snd_nxt) |
1008 FIELD_PREP(IRDMAQPC_SNDWND, tcp->snd_wnd));
1009 set_64bit_val(qp_ctx, 88,
1010 FIELD_PREP(IRDMAQPC_RCVNXT, tcp->rcv_nxt) |
1011 FIELD_PREP(IRDMAQPC_RCVWND, tcp->rcv_wnd));
1012 set_64bit_val(qp_ctx, 96,
1013 FIELD_PREP(IRDMAQPC_SNDMAX, tcp->snd_max) |
1014 FIELD_PREP(IRDMAQPC_SNDUNA, tcp->snd_una));
1015 set_64bit_val(qp_ctx, 104,
1016 FIELD_PREP(IRDMAQPC_SRTT, tcp->srtt) |
1017 FIELD_PREP(IRDMAQPC_RTTVAR, tcp->rtt_var));
1018 set_64bit_val(qp_ctx, 112,
1019 FIELD_PREP(IRDMAQPC_SSTHRESH, tcp->ss_thresh) |
1020 FIELD_PREP(IRDMAQPC_CWND, tcp->cwnd));
1021 set_64bit_val(qp_ctx, 120,
1022 FIELD_PREP(IRDMAQPC_SNDWL1, tcp->snd_wl1) |
1023 FIELD_PREP(IRDMAQPC_SNDWL2, tcp->snd_wl2));
1024 qw16 |= FIELD_PREP(IRDMAQPC_MAXSNDWND, tcp->max_snd_window) |
1025 FIELD_PREP(IRDMAQPC_REXMIT_THRESH, tcp->rexmit_thresh);
1026 set_64bit_val(qp_ctx, 184,
1027 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR3, tcp->local_ipaddr[3]) |
1028 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR2, tcp->local_ipaddr[2]));
1029 set_64bit_val(qp_ctx, 192,
1030 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR1, tcp->local_ipaddr[1]) |
1031 FIELD_PREP(IRDMAQPC_LOCAL_IPADDR0, tcp->local_ipaddr[0]));
1032 set_64bit_val(qp_ctx, 200,
1033 FIELD_PREP(IRDMAQPC_THIGH, iw->t_high) |
1034 FIELD_PREP(IRDMAQPC_TLOW, iw->t_low));
1035 set_64bit_val(qp_ctx, 208,
1036 FIELD_PREP(IRDMAQPC_REMENDPOINTIDX, info->rem_endpoint_idx));
1037 }
1038
1039 set_64bit_val(qp_ctx, 0, qw0);
1040 set_64bit_val(qp_ctx, 24, qw3);
1041 set_64bit_val(qp_ctx, 56, qw7);
1042 set_64bit_val(qp_ctx, 128, qw16);
1043
1044 print_hex_dump_debug("WQE: QP_HOST CTX", DUMP_PREFIX_OFFSET, 16, 8,
1045 qp_ctx, IRDMA_QP_CTX_SIZE, false);
1046 }
1047
1048 /**
1049 * irdma_sc_alloc_stag - mr stag alloc
1050 * @dev: sc device struct
1051 * @info: stag info
1052 * @scratch: u64 saved to be used during cqp completion
1053 * @post_sq: flag for cqp db to ring
1054 */
irdma_sc_alloc_stag(struct irdma_sc_dev * dev,struct irdma_allocate_stag_info * info,u64 scratch,bool post_sq)1055 static int irdma_sc_alloc_stag(struct irdma_sc_dev *dev,
1056 struct irdma_allocate_stag_info *info,
1057 u64 scratch, bool post_sq)
1058 {
1059 __le64 *wqe;
1060 struct irdma_sc_cqp *cqp;
1061 u64 hdr;
1062 enum irdma_page_size page_size;
1063
1064 if (!info->total_len && !info->all_memory)
1065 return -EINVAL;
1066
1067 if (info->page_size == 0x40000000)
1068 page_size = IRDMA_PAGE_SIZE_1G;
1069 else if (info->page_size == 0x200000)
1070 page_size = IRDMA_PAGE_SIZE_2M;
1071 else
1072 page_size = IRDMA_PAGE_SIZE_4K;
1073
1074 cqp = dev->cqp;
1075 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
1076 if (!wqe)
1077 return -ENOMEM;
1078
1079 set_64bit_val(wqe, 8,
1080 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID) |
1081 FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len));
1082 set_64bit_val(wqe, 16,
1083 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx));
1084 set_64bit_val(wqe, 40,
1085 FIELD_PREP(IRDMA_CQPSQ_STAG_HMCFNIDX, info->hmc_fcn_index));
1086
1087 if (info->chunk_size)
1088 set_64bit_val(wqe, 48,
1089 FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_idx));
1090
1091 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) |
1092 FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) |
1093 FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) |
1094 FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) |
1095 FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) |
1096 FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, info->remote_access) |
1097 FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) |
1098 FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) |
1099 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
1100 dma_wmb(); /* make sure WQE is written before valid bit is set */
1101
1102 set_64bit_val(wqe, 24, hdr);
1103
1104 print_hex_dump_debug("WQE: ALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16, 8,
1105 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
1106 if (post_sq)
1107 irdma_sc_cqp_post_sq(cqp);
1108
1109 return 0;
1110 }
1111
1112 /**
1113 * irdma_sc_mr_reg_non_shared - non-shared mr registration
1114 * @dev: sc device struct
1115 * @info: mr info
1116 * @scratch: u64 saved to be used during cqp completion
1117 * @post_sq: flag for cqp db to ring
1118 */
irdma_sc_mr_reg_non_shared(struct irdma_sc_dev * dev,struct irdma_reg_ns_stag_info * info,u64 scratch,bool post_sq)1119 static int irdma_sc_mr_reg_non_shared(struct irdma_sc_dev *dev,
1120 struct irdma_reg_ns_stag_info *info,
1121 u64 scratch, bool post_sq)
1122 {
1123 __le64 *wqe;
1124 u64 fbo;
1125 struct irdma_sc_cqp *cqp;
1126 u64 hdr;
1127 u32 pble_obj_cnt;
1128 bool remote_access;
1129 u8 addr_type;
1130 enum irdma_page_size page_size;
1131
1132 if (!info->total_len && !info->all_memory)
1133 return -EINVAL;
1134
1135 if (info->page_size == 0x40000000)
1136 page_size = IRDMA_PAGE_SIZE_1G;
1137 else if (info->page_size == 0x200000)
1138 page_size = IRDMA_PAGE_SIZE_2M;
1139 else if (info->page_size == 0x1000)
1140 page_size = IRDMA_PAGE_SIZE_4K;
1141 else
1142 return -EINVAL;
1143
1144 if (info->access_rights & (IRDMA_ACCESS_FLAGS_REMOTEREAD_ONLY |
1145 IRDMA_ACCESS_FLAGS_REMOTEWRITE_ONLY))
1146 remote_access = true;
1147 else
1148 remote_access = false;
1149
1150 pble_obj_cnt = dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
1151 if (info->chunk_size && info->first_pm_pbl_index >= pble_obj_cnt)
1152 return -EINVAL;
1153
1154 cqp = dev->cqp;
1155 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
1156 if (!wqe)
1157 return -ENOMEM;
1158 fbo = info->va & (info->page_size - 1);
1159
1160 set_64bit_val(wqe, 0,
1161 (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED ?
1162 info->va : fbo));
1163 set_64bit_val(wqe, 8,
1164 FIELD_PREP(IRDMA_CQPSQ_STAG_STAGLEN, info->total_len) |
1165 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID));
1166 set_64bit_val(wqe, 16,
1167 FIELD_PREP(IRDMA_CQPSQ_STAG_KEY, info->stag_key) |
1168 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx));
1169 if (!info->chunk_size) {
1170 set_64bit_val(wqe, 32, info->reg_addr_pa);
1171 set_64bit_val(wqe, 48, 0);
1172 } else {
1173 set_64bit_val(wqe, 32, 0);
1174 set_64bit_val(wqe, 48,
1175 FIELD_PREP(IRDMA_CQPSQ_STAG_FIRSTPMPBLIDX, info->first_pm_pbl_index));
1176 }
1177 set_64bit_val(wqe, 40, info->hmc_fcn_index);
1178 set_64bit_val(wqe, 56, 0);
1179
1180 addr_type = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ? 1 : 0;
1181 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_REG_MR) |
1182 FIELD_PREP(IRDMA_CQPSQ_STAG_MR, 1) |
1183 FIELD_PREP(IRDMA_CQPSQ_STAG_LPBLSIZE, info->chunk_size) |
1184 FIELD_PREP(IRDMA_CQPSQ_STAG_HPAGESIZE, page_size) |
1185 FIELD_PREP(IRDMA_CQPSQ_STAG_ARIGHTS, info->access_rights) |
1186 FIELD_PREP(IRDMA_CQPSQ_STAG_REMACCENABLED, remote_access) |
1187 FIELD_PREP(IRDMA_CQPSQ_STAG_VABASEDTO, addr_type) |
1188 FIELD_PREP(IRDMA_CQPSQ_STAG_USEHMCFNIDX, info->use_hmc_fcn_index) |
1189 FIELD_PREP(IRDMA_CQPSQ_STAG_USEPFRID, info->use_pf_rid) |
1190 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
1191 dma_wmb(); /* make sure WQE is written before valid bit is set */
1192
1193 set_64bit_val(wqe, 24, hdr);
1194
1195 print_hex_dump_debug("WQE: MR_REG_NS WQE", DUMP_PREFIX_OFFSET, 16, 8,
1196 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
1197 if (post_sq)
1198 irdma_sc_cqp_post_sq(cqp);
1199
1200 return 0;
1201 }
1202
1203 /**
1204 * irdma_sc_dealloc_stag - deallocate stag
1205 * @dev: sc device struct
1206 * @info: dealloc stag info
1207 * @scratch: u64 saved to be used during cqp completion
1208 * @post_sq: flag for cqp db to ring
1209 */
irdma_sc_dealloc_stag(struct irdma_sc_dev * dev,struct irdma_dealloc_stag_info * info,u64 scratch,bool post_sq)1210 static int irdma_sc_dealloc_stag(struct irdma_sc_dev *dev,
1211 struct irdma_dealloc_stag_info *info,
1212 u64 scratch, bool post_sq)
1213 {
1214 u64 hdr;
1215 __le64 *wqe;
1216 struct irdma_sc_cqp *cqp;
1217
1218 cqp = dev->cqp;
1219 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
1220 if (!wqe)
1221 return -ENOMEM;
1222
1223 set_64bit_val(wqe, 8,
1224 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID));
1225 set_64bit_val(wqe, 16,
1226 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->stag_idx));
1227
1228 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DEALLOC_STAG) |
1229 FIELD_PREP(IRDMA_CQPSQ_STAG_MR, info->mr) |
1230 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
1231 dma_wmb(); /* make sure WQE is written before valid bit is set */
1232
1233 set_64bit_val(wqe, 24, hdr);
1234
1235 print_hex_dump_debug("WQE: DEALLOC_STAG WQE", DUMP_PREFIX_OFFSET, 16,
1236 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
1237 if (post_sq)
1238 irdma_sc_cqp_post_sq(cqp);
1239
1240 return 0;
1241 }
1242
1243 /**
1244 * irdma_sc_mw_alloc - mw allocate
1245 * @dev: sc device struct
1246 * @info: memory window allocation information
1247 * @scratch: u64 saved to be used during cqp completion
1248 * @post_sq: flag for cqp db to ring
1249 */
irdma_sc_mw_alloc(struct irdma_sc_dev * dev,struct irdma_mw_alloc_info * info,u64 scratch,bool post_sq)1250 static int irdma_sc_mw_alloc(struct irdma_sc_dev *dev,
1251 struct irdma_mw_alloc_info *info, u64 scratch,
1252 bool post_sq)
1253 {
1254 u64 hdr;
1255 struct irdma_sc_cqp *cqp;
1256 __le64 *wqe;
1257
1258 cqp = dev->cqp;
1259 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
1260 if (!wqe)
1261 return -ENOMEM;
1262
1263 set_64bit_val(wqe, 8,
1264 FLD_LS_64(dev, info->pd_id, IRDMA_CQPSQ_STAG_PDID));
1265 set_64bit_val(wqe, 16,
1266 FIELD_PREP(IRDMA_CQPSQ_STAG_IDX, info->mw_stag_index));
1267
1268 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_ALLOC_STAG) |
1269 FIELD_PREP(IRDMA_CQPSQ_STAG_MWTYPE, info->mw_wide) |
1270 FIELD_PREP(IRDMA_CQPSQ_STAG_MW1_BIND_DONT_VLDT_KEY,
1271 info->mw1_bind_dont_vldt_key) |
1272 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
1273 dma_wmb(); /* make sure WQE is written before valid bit is set */
1274
1275 set_64bit_val(wqe, 24, hdr);
1276
1277 print_hex_dump_debug("WQE: MW_ALLOC WQE", DUMP_PREFIX_OFFSET, 16, 8,
1278 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
1279 if (post_sq)
1280 irdma_sc_cqp_post_sq(cqp);
1281
1282 return 0;
1283 }
1284
1285 /**
1286 * irdma_sc_mr_fast_register - Posts RDMA fast register mr WR to iwarp qp
1287 * @qp: sc qp struct
1288 * @info: fast mr info
1289 * @post_sq: flag for cqp db to ring
1290 */
irdma_sc_mr_fast_register(struct irdma_sc_qp * qp,struct irdma_fast_reg_stag_info * info,bool post_sq)1291 int irdma_sc_mr_fast_register(struct irdma_sc_qp *qp,
1292 struct irdma_fast_reg_stag_info *info,
1293 bool post_sq)
1294 {
1295 u64 temp, hdr;
1296 __le64 *wqe;
1297 u32 wqe_idx;
1298 enum irdma_page_size page_size;
1299 struct irdma_post_sq_info sq_info = {};
1300
1301 if (info->page_size == 0x40000000)
1302 page_size = IRDMA_PAGE_SIZE_1G;
1303 else if (info->page_size == 0x200000)
1304 page_size = IRDMA_PAGE_SIZE_2M;
1305 else
1306 page_size = IRDMA_PAGE_SIZE_4K;
1307
1308 sq_info.wr_id = info->wr_id;
1309 sq_info.signaled = info->signaled;
1310
1311 wqe = irdma_qp_get_next_send_wqe(&qp->qp_uk, &wqe_idx,
1312 IRDMA_QP_WQE_MIN_QUANTA, 0, &sq_info);
1313 if (!wqe)
1314 return -ENOMEM;
1315
1316 irdma_clr_wqes(&qp->qp_uk, wqe_idx);
1317
1318 ibdev_dbg(to_ibdev(qp->dev),
1319 "MR: wr_id[%llxh] wqe_idx[%04d] location[%p]\n",
1320 info->wr_id, wqe_idx,
1321 &qp->qp_uk.sq_wrtrk_array[wqe_idx].wrid);
1322
1323 temp = (info->addr_type == IRDMA_ADDR_TYPE_VA_BASED) ?
1324 (uintptr_t)info->va : info->fbo;
1325 set_64bit_val(wqe, 0, temp);
1326
1327 temp = FIELD_GET(IRDMAQPSQ_FIRSTPMPBLIDXHI,
1328 info->first_pm_pbl_index >> 16);
1329 set_64bit_val(wqe, 8,
1330 FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXHI, temp) |
1331 FIELD_PREP(IRDMAQPSQ_PBLADDR >> IRDMA_HW_PAGE_SHIFT, info->reg_addr_pa));
1332 set_64bit_val(wqe, 16,
1333 info->total_len |
1334 FIELD_PREP(IRDMAQPSQ_FIRSTPMPBLIDXLO, info->first_pm_pbl_index));
1335
1336 hdr = FIELD_PREP(IRDMAQPSQ_STAGKEY, info->stag_key) |
1337 FIELD_PREP(IRDMAQPSQ_STAGINDEX, info->stag_idx) |
1338 FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_FAST_REGISTER) |
1339 FIELD_PREP(IRDMAQPSQ_LPBLSIZE, info->chunk_size) |
1340 FIELD_PREP(IRDMAQPSQ_HPAGESIZE, page_size) |
1341 FIELD_PREP(IRDMAQPSQ_STAGRIGHTS, info->access_rights) |
1342 FIELD_PREP(IRDMAQPSQ_VABASEDTO, info->addr_type) |
1343 FIELD_PREP(IRDMAQPSQ_READFENCE, info->read_fence) |
1344 FIELD_PREP(IRDMAQPSQ_LOCALFENCE, info->local_fence) |
1345 FIELD_PREP(IRDMAQPSQ_SIGCOMPL, info->signaled) |
1346 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
1347 dma_wmb(); /* make sure WQE is written before valid bit is set */
1348
1349 set_64bit_val(wqe, 24, hdr);
1350
1351 print_hex_dump_debug("WQE: FAST_REG WQE", DUMP_PREFIX_OFFSET, 16, 8,
1352 wqe, IRDMA_QP_WQE_MIN_SIZE, false);
1353
1354 if (post_sq)
1355 irdma_uk_qp_post_wr(&qp->qp_uk);
1356
1357 return 0;
1358 }
1359
1360 /**
1361 * irdma_sc_gen_rts_ae - request AE generated after RTS
1362 * @qp: sc qp struct
1363 */
irdma_sc_gen_rts_ae(struct irdma_sc_qp * qp)1364 static void irdma_sc_gen_rts_ae(struct irdma_sc_qp *qp)
1365 {
1366 __le64 *wqe;
1367 u64 hdr;
1368 struct irdma_qp_uk *qp_uk;
1369
1370 qp_uk = &qp->qp_uk;
1371
1372 wqe = qp_uk->sq_base[1].elem;
1373
1374 hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_NOP) |
1375 FIELD_PREP(IRDMAQPSQ_LOCALFENCE, 1) |
1376 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
1377 dma_wmb(); /* make sure WQE is written before valid bit is set */
1378
1379 set_64bit_val(wqe, 24, hdr);
1380 print_hex_dump_debug("QP: NOP W/LOCAL FENCE WQE", DUMP_PREFIX_OFFSET,
1381 16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false);
1382
1383 wqe = qp_uk->sq_base[2].elem;
1384 hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_GEN_RTS_AE) |
1385 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
1386 dma_wmb(); /* make sure WQE is written before valid bit is set */
1387
1388 set_64bit_val(wqe, 24, hdr);
1389 print_hex_dump_debug("QP: CONN EST WQE", DUMP_PREFIX_OFFSET, 16, 8,
1390 wqe, IRDMA_QP_WQE_MIN_SIZE, false);
1391 }
1392
1393 /**
1394 * irdma_sc_send_lsmm - send last streaming mode message
1395 * @qp: sc qp struct
1396 * @lsmm_buf: buffer with lsmm message
1397 * @size: size of lsmm buffer
1398 * @stag: stag of lsmm buffer
1399 */
irdma_sc_send_lsmm(struct irdma_sc_qp * qp,void * lsmm_buf,u32 size,irdma_stag stag)1400 void irdma_sc_send_lsmm(struct irdma_sc_qp *qp, void *lsmm_buf, u32 size,
1401 irdma_stag stag)
1402 {
1403 __le64 *wqe;
1404 u64 hdr;
1405 struct irdma_qp_uk *qp_uk;
1406
1407 qp_uk = &qp->qp_uk;
1408 wqe = qp_uk->sq_base->elem;
1409
1410 set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf);
1411 if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) {
1412 set_64bit_val(wqe, 8,
1413 FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_LEN, size) |
1414 FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_STAG, stag));
1415 } else {
1416 set_64bit_val(wqe, 8,
1417 FIELD_PREP(IRDMAQPSQ_FRAG_LEN, size) |
1418 FIELD_PREP(IRDMAQPSQ_FRAG_STAG, stag) |
1419 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity));
1420 }
1421 set_64bit_val(wqe, 16, 0);
1422
1423 hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_SEND) |
1424 FIELD_PREP(IRDMAQPSQ_STREAMMODE, 1) |
1425 FIELD_PREP(IRDMAQPSQ_WAITFORRCVPDU, 1) |
1426 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
1427 dma_wmb(); /* make sure WQE is written before valid bit is set */
1428
1429 set_64bit_val(wqe, 24, hdr);
1430
1431 print_hex_dump_debug("WQE: SEND_LSMM WQE", DUMP_PREFIX_OFFSET, 16, 8,
1432 wqe, IRDMA_QP_WQE_MIN_SIZE, false);
1433
1434 if (qp->dev->hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_RTS_AE)
1435 irdma_sc_gen_rts_ae(qp);
1436 }
1437
1438 /**
1439 * irdma_sc_send_rtt - send last read0 or write0
1440 * @qp: sc qp struct
1441 * @read: Do read0 or write0
1442 */
irdma_sc_send_rtt(struct irdma_sc_qp * qp,bool read)1443 void irdma_sc_send_rtt(struct irdma_sc_qp *qp, bool read)
1444 {
1445 __le64 *wqe;
1446 u64 hdr;
1447 struct irdma_qp_uk *qp_uk;
1448
1449 qp_uk = &qp->qp_uk;
1450 wqe = qp_uk->sq_base->elem;
1451
1452 set_64bit_val(wqe, 0, 0);
1453 set_64bit_val(wqe, 16, 0);
1454 if (read) {
1455 if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) {
1456 set_64bit_val(wqe, 8,
1457 FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_STAG, 0xabcd));
1458 } else {
1459 set_64bit_val(wqe, 8,
1460 (u64)0xabcd | FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity));
1461 }
1462 hdr = FIELD_PREP(IRDMAQPSQ_REMSTAG, 0x1234) |
1463 FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_READ) |
1464 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
1465
1466 } else {
1467 if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1) {
1468 set_64bit_val(wqe, 8, 0);
1469 } else {
1470 set_64bit_val(wqe, 8,
1471 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity));
1472 }
1473 hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_WRITE) |
1474 FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
1475 }
1476
1477 dma_wmb(); /* make sure WQE is written before valid bit is set */
1478
1479 set_64bit_val(wqe, 24, hdr);
1480
1481 print_hex_dump_debug("WQE: RTR WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe,
1482 IRDMA_QP_WQE_MIN_SIZE, false);
1483
1484 if (qp->dev->hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_RTS_AE)
1485 irdma_sc_gen_rts_ae(qp);
1486 }
1487
1488 /**
1489 * irdma_iwarp_opcode - determine if incoming is rdma layer
1490 * @info: aeq info for the packet
1491 * @pkt: packet for error
1492 */
irdma_iwarp_opcode(struct irdma_aeqe_info * info,u8 * pkt)1493 static u32 irdma_iwarp_opcode(struct irdma_aeqe_info *info, u8 *pkt)
1494 {
1495 __be16 *mpa;
1496 u32 opcode = 0xffffffff;
1497
1498 if (info->q2_data_written) {
1499 mpa = (__be16 *)pkt;
1500 opcode = ntohs(mpa[1]) & 0xf;
1501 }
1502
1503 return opcode;
1504 }
1505
1506 /**
1507 * irdma_locate_mpa - return pointer to mpa in the pkt
1508 * @pkt: packet with data
1509 */
irdma_locate_mpa(u8 * pkt)1510 static u8 *irdma_locate_mpa(u8 *pkt)
1511 {
1512 /* skip over ethernet header */
1513 pkt += IRDMA_MAC_HLEN;
1514
1515 /* Skip over IP and TCP headers */
1516 pkt += 4 * (pkt[0] & 0x0f);
1517 pkt += 4 * ((pkt[12] >> 4) & 0x0f);
1518
1519 return pkt;
1520 }
1521
1522 /**
1523 * irdma_bld_termhdr_ctrl - setup terminate hdr control fields
1524 * @qp: sc qp ptr for pkt
1525 * @hdr: term hdr
1526 * @opcode: flush opcode for termhdr
1527 * @layer_etype: error layer + error type
1528 * @err: error cod ein the header
1529 */
irdma_bld_termhdr_ctrl(struct irdma_sc_qp * qp,struct irdma_terminate_hdr * hdr,enum irdma_flush_opcode opcode,u8 layer_etype,u8 err)1530 static void irdma_bld_termhdr_ctrl(struct irdma_sc_qp *qp,
1531 struct irdma_terminate_hdr *hdr,
1532 enum irdma_flush_opcode opcode,
1533 u8 layer_etype, u8 err)
1534 {
1535 qp->flush_code = opcode;
1536 hdr->layer_etype = layer_etype;
1537 hdr->error_code = err;
1538 }
1539
1540 /**
1541 * irdma_bld_termhdr_ddp_rdma - setup ddp and rdma hdrs in terminate hdr
1542 * @pkt: ptr to mpa in offending pkt
1543 * @hdr: term hdr
1544 * @copy_len: offending pkt length to be copied to term hdr
1545 * @is_tagged: DDP tagged or untagged
1546 */
irdma_bld_termhdr_ddp_rdma(u8 * pkt,struct irdma_terminate_hdr * hdr,int * copy_len,u8 * is_tagged)1547 static void irdma_bld_termhdr_ddp_rdma(u8 *pkt, struct irdma_terminate_hdr *hdr,
1548 int *copy_len, u8 *is_tagged)
1549 {
1550 u16 ddp_seg_len;
1551
1552 ddp_seg_len = ntohs(*(__be16 *)pkt);
1553 if (ddp_seg_len) {
1554 *copy_len = 2;
1555 hdr->hdrct = DDP_LEN_FLAG;
1556 if (pkt[2] & 0x80) {
1557 *is_tagged = 1;
1558 if (ddp_seg_len >= TERM_DDP_LEN_TAGGED) {
1559 *copy_len += TERM_DDP_LEN_TAGGED;
1560 hdr->hdrct |= DDP_HDR_FLAG;
1561 }
1562 } else {
1563 if (ddp_seg_len >= TERM_DDP_LEN_UNTAGGED) {
1564 *copy_len += TERM_DDP_LEN_UNTAGGED;
1565 hdr->hdrct |= DDP_HDR_FLAG;
1566 }
1567 if (ddp_seg_len >= (TERM_DDP_LEN_UNTAGGED + TERM_RDMA_LEN) &&
1568 ((pkt[3] & RDMA_OPCODE_M) == RDMA_READ_REQ_OPCODE)) {
1569 *copy_len += TERM_RDMA_LEN;
1570 hdr->hdrct |= RDMA_HDR_FLAG;
1571 }
1572 }
1573 }
1574 }
1575
1576 /**
1577 * irdma_bld_terminate_hdr - build terminate message header
1578 * @qp: qp associated with received terminate AE
1579 * @info: the struct contiaing AE information
1580 */
irdma_bld_terminate_hdr(struct irdma_sc_qp * qp,struct irdma_aeqe_info * info)1581 static int irdma_bld_terminate_hdr(struct irdma_sc_qp *qp,
1582 struct irdma_aeqe_info *info)
1583 {
1584 u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET;
1585 int copy_len = 0;
1586 u8 is_tagged = 0;
1587 u32 opcode;
1588 struct irdma_terminate_hdr *termhdr;
1589
1590 termhdr = (struct irdma_terminate_hdr *)qp->q2_buf;
1591 memset(termhdr, 0, Q2_BAD_FRAME_OFFSET);
1592
1593 if (info->q2_data_written) {
1594 pkt = irdma_locate_mpa(pkt);
1595 irdma_bld_termhdr_ddp_rdma(pkt, termhdr, ©_len, &is_tagged);
1596 }
1597
1598 opcode = irdma_iwarp_opcode(info, pkt);
1599 qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC;
1600 qp->sq_flush_code = info->sq;
1601 qp->rq_flush_code = info->rq;
1602
1603 switch (info->ae_id) {
1604 case IRDMA_AE_AMP_UNALLOCATED_STAG:
1605 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
1606 if (opcode == IRDMA_OP_TYPE_RDMA_WRITE)
1607 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR,
1608 (LAYER_DDP << 4) | DDP_TAGGED_BUF,
1609 DDP_TAGGED_INV_STAG);
1610 else
1611 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
1612 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
1613 RDMAP_INV_STAG);
1614 break;
1615 case IRDMA_AE_AMP_BOUNDS_VIOLATION:
1616 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
1617 if (info->q2_data_written)
1618 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR,
1619 (LAYER_DDP << 4) | DDP_TAGGED_BUF,
1620 DDP_TAGGED_BOUNDS);
1621 else
1622 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
1623 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
1624 RDMAP_INV_BOUNDS);
1625 break;
1626 case IRDMA_AE_AMP_BAD_PD:
1627 switch (opcode) {
1628 case IRDMA_OP_TYPE_RDMA_WRITE:
1629 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_PROT_ERR,
1630 (LAYER_DDP << 4) | DDP_TAGGED_BUF,
1631 DDP_TAGGED_UNASSOC_STAG);
1632 break;
1633 case IRDMA_OP_TYPE_SEND_INV:
1634 case IRDMA_OP_TYPE_SEND_SOL_INV:
1635 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
1636 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
1637 RDMAP_CANT_INV_STAG);
1638 break;
1639 default:
1640 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
1641 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
1642 RDMAP_UNASSOC_STAG);
1643 }
1644 break;
1645 case IRDMA_AE_AMP_INVALID_STAG:
1646 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
1647 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
1648 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
1649 RDMAP_INV_STAG);
1650 break;
1651 case IRDMA_AE_AMP_BAD_QP:
1652 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_QP_OP_ERR,
1653 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
1654 DDP_UNTAGGED_INV_QN);
1655 break;
1656 case IRDMA_AE_AMP_BAD_STAG_KEY:
1657 case IRDMA_AE_AMP_BAD_STAG_INDEX:
1658 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
1659 switch (opcode) {
1660 case IRDMA_OP_TYPE_SEND_INV:
1661 case IRDMA_OP_TYPE_SEND_SOL_INV:
1662 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_OP_ERR,
1663 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
1664 RDMAP_CANT_INV_STAG);
1665 break;
1666 default:
1667 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
1668 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
1669 RDMAP_INV_STAG);
1670 }
1671 break;
1672 case IRDMA_AE_AMP_RIGHTS_VIOLATION:
1673 case IRDMA_AE_AMP_INVALIDATE_NO_REMOTE_ACCESS_RIGHTS:
1674 case IRDMA_AE_PRIV_OPERATION_DENIED:
1675 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
1676 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
1677 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
1678 RDMAP_ACCESS);
1679 break;
1680 case IRDMA_AE_AMP_TO_WRAP:
1681 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
1682 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_ACCESS_ERR,
1683 (LAYER_RDMA << 4) | RDMAP_REMOTE_PROT,
1684 RDMAP_TO_WRAP);
1685 break;
1686 case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR:
1687 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
1688 (LAYER_MPA << 4) | DDP_LLP, MPA_CRC);
1689 break;
1690 case IRDMA_AE_LLP_SEGMENT_TOO_SMALL:
1691 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_LEN_ERR,
1692 (LAYER_DDP << 4) | DDP_CATASTROPHIC,
1693 DDP_CATASTROPHIC_LOCAL);
1694 break;
1695 case IRDMA_AE_LCE_QP_CATASTROPHIC:
1696 case IRDMA_AE_DDP_NO_L_BIT:
1697 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_FATAL_ERR,
1698 (LAYER_DDP << 4) | DDP_CATASTROPHIC,
1699 DDP_CATASTROPHIC_LOCAL);
1700 break;
1701 case IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN:
1702 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
1703 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
1704 DDP_UNTAGGED_INV_MSN_RANGE);
1705 break;
1706 case IRDMA_AE_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
1707 qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
1708 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_LOC_LEN_ERR,
1709 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
1710 DDP_UNTAGGED_INV_TOO_LONG);
1711 break;
1712 case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION:
1713 if (is_tagged)
1714 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
1715 (LAYER_DDP << 4) | DDP_TAGGED_BUF,
1716 DDP_TAGGED_INV_DDP_VER);
1717 else
1718 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
1719 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
1720 DDP_UNTAGGED_INV_DDP_VER);
1721 break;
1722 case IRDMA_AE_DDP_UBE_INVALID_MO:
1723 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
1724 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
1725 DDP_UNTAGGED_INV_MO);
1726 break;
1727 case IRDMA_AE_DDP_UBE_INVALID_MSN_NO_BUFFER_AVAILABLE:
1728 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_REM_OP_ERR,
1729 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
1730 DDP_UNTAGGED_INV_MSN_NO_BUF);
1731 break;
1732 case IRDMA_AE_DDP_UBE_INVALID_QN:
1733 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
1734 (LAYER_DDP << 4) | DDP_UNTAGGED_BUF,
1735 DDP_UNTAGGED_INV_QN);
1736 break;
1737 case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
1738 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_GENERAL_ERR,
1739 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
1740 RDMAP_INV_RDMAP_VER);
1741 break;
1742 default:
1743 irdma_bld_termhdr_ctrl(qp, termhdr, FLUSH_FATAL_ERR,
1744 (LAYER_RDMA << 4) | RDMAP_REMOTE_OP,
1745 RDMAP_UNSPECIFIED);
1746 break;
1747 }
1748
1749 if (copy_len)
1750 memcpy(termhdr + 1, pkt, copy_len);
1751
1752 return sizeof(struct irdma_terminate_hdr) + copy_len;
1753 }
1754
1755 /**
1756 * irdma_terminate_send_fin() - Send fin for terminate message
1757 * @qp: qp associated with received terminate AE
1758 */
irdma_terminate_send_fin(struct irdma_sc_qp * qp)1759 void irdma_terminate_send_fin(struct irdma_sc_qp *qp)
1760 {
1761 irdma_term_modify_qp(qp, IRDMA_QP_STATE_TERMINATE,
1762 IRDMAQP_TERM_SEND_FIN_ONLY, 0);
1763 }
1764
1765 /**
1766 * irdma_terminate_connection() - Bad AE and send terminate to remote QP
1767 * @qp: qp associated with received terminate AE
1768 * @info: the struct contiaing AE information
1769 */
irdma_terminate_connection(struct irdma_sc_qp * qp,struct irdma_aeqe_info * info)1770 void irdma_terminate_connection(struct irdma_sc_qp *qp,
1771 struct irdma_aeqe_info *info)
1772 {
1773 u8 termlen = 0;
1774
1775 if (qp->term_flags & IRDMA_TERM_SENT)
1776 return;
1777
1778 termlen = irdma_bld_terminate_hdr(qp, info);
1779 irdma_terminate_start_timer(qp);
1780 qp->term_flags |= IRDMA_TERM_SENT;
1781 irdma_term_modify_qp(qp, IRDMA_QP_STATE_TERMINATE,
1782 IRDMAQP_TERM_SEND_TERM_ONLY, termlen);
1783 }
1784
1785 /**
1786 * irdma_terminate_received - handle terminate received AE
1787 * @qp: qp associated with received terminate AE
1788 * @info: the struct contiaing AE information
1789 */
irdma_terminate_received(struct irdma_sc_qp * qp,struct irdma_aeqe_info * info)1790 void irdma_terminate_received(struct irdma_sc_qp *qp,
1791 struct irdma_aeqe_info *info)
1792 {
1793 u8 *pkt = qp->q2_buf + Q2_BAD_FRAME_OFFSET;
1794 __be32 *mpa;
1795 u8 ddp_ctl;
1796 u8 rdma_ctl;
1797 u16 aeq_id = 0;
1798 struct irdma_terminate_hdr *termhdr;
1799
1800 mpa = (__be32 *)irdma_locate_mpa(pkt);
1801 if (info->q2_data_written) {
1802 /* did not validate the frame - do it now */
1803 ddp_ctl = (ntohl(mpa[0]) >> 8) & 0xff;
1804 rdma_ctl = ntohl(mpa[0]) & 0xff;
1805 if ((ddp_ctl & 0xc0) != 0x40)
1806 aeq_id = IRDMA_AE_LCE_QP_CATASTROPHIC;
1807 else if ((ddp_ctl & 0x03) != 1)
1808 aeq_id = IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION;
1809 else if (ntohl(mpa[2]) != 2)
1810 aeq_id = IRDMA_AE_DDP_UBE_INVALID_QN;
1811 else if (ntohl(mpa[3]) != 1)
1812 aeq_id = IRDMA_AE_DDP_INVALID_MSN_GAP_IN_MSN;
1813 else if (ntohl(mpa[4]) != 0)
1814 aeq_id = IRDMA_AE_DDP_UBE_INVALID_MO;
1815 else if ((rdma_ctl & 0xc0) != 0x40)
1816 aeq_id = IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION;
1817
1818 info->ae_id = aeq_id;
1819 if (info->ae_id) {
1820 /* Bad terminate recvd - send back a terminate */
1821 irdma_terminate_connection(qp, info);
1822 return;
1823 }
1824 }
1825
1826 qp->term_flags |= IRDMA_TERM_RCVD;
1827 qp->event_type = IRDMA_QP_EVENT_CATASTROPHIC;
1828 termhdr = (struct irdma_terminate_hdr *)&mpa[5];
1829 if (termhdr->layer_etype == RDMAP_REMOTE_PROT ||
1830 termhdr->layer_etype == RDMAP_REMOTE_OP) {
1831 irdma_terminate_done(qp, 0);
1832 } else {
1833 irdma_terminate_start_timer(qp);
1834 irdma_terminate_send_fin(qp);
1835 }
1836 }
1837
irdma_null_ws_add(struct irdma_sc_vsi * vsi,u8 user_pri)1838 static int irdma_null_ws_add(struct irdma_sc_vsi *vsi, u8 user_pri)
1839 {
1840 return 0;
1841 }
1842
irdma_null_ws_remove(struct irdma_sc_vsi * vsi,u8 user_pri)1843 static void irdma_null_ws_remove(struct irdma_sc_vsi *vsi, u8 user_pri)
1844 {
1845 /* do nothing */
1846 }
1847
irdma_null_ws_reset(struct irdma_sc_vsi * vsi)1848 static void irdma_null_ws_reset(struct irdma_sc_vsi *vsi)
1849 {
1850 /* do nothing */
1851 }
1852
1853 /**
1854 * irdma_sc_vsi_init - Init the vsi structure
1855 * @vsi: pointer to vsi structure to initialize
1856 * @info: the info used to initialize the vsi struct
1857 */
irdma_sc_vsi_init(struct irdma_sc_vsi * vsi,struct irdma_vsi_init_info * info)1858 void irdma_sc_vsi_init(struct irdma_sc_vsi *vsi,
1859 struct irdma_vsi_init_info *info)
1860 {
1861 int i;
1862
1863 vsi->dev = info->dev;
1864 vsi->back_vsi = info->back_vsi;
1865 vsi->register_qset = info->register_qset;
1866 vsi->unregister_qset = info->unregister_qset;
1867 vsi->mtu = info->params->mtu;
1868 vsi->exception_lan_q = info->exception_lan_q;
1869 vsi->vsi_idx = info->pf_data_vsi_num;
1870
1871 irdma_set_qos_info(vsi, info->params);
1872 for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++) {
1873 mutex_init(&vsi->qos[i].qos_mutex);
1874 INIT_LIST_HEAD(&vsi->qos[i].qplist);
1875 }
1876 if (vsi->register_qset) {
1877 vsi->dev->ws_add = irdma_ws_add;
1878 vsi->dev->ws_remove = irdma_ws_remove;
1879 vsi->dev->ws_reset = irdma_ws_reset;
1880 } else {
1881 vsi->dev->ws_add = irdma_null_ws_add;
1882 vsi->dev->ws_remove = irdma_null_ws_remove;
1883 vsi->dev->ws_reset = irdma_null_ws_reset;
1884 }
1885 }
1886
1887 /**
1888 * irdma_get_stats_idx - Return stats index
1889 * @vsi: pointer to the vsi
1890 */
irdma_get_stats_idx(struct irdma_sc_vsi * vsi)1891 static u8 irdma_get_stats_idx(struct irdma_sc_vsi *vsi)
1892 {
1893 struct irdma_stats_inst_info stats_info = {};
1894 struct irdma_sc_dev *dev = vsi->dev;
1895 u8 i;
1896
1897 if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) {
1898 if (!irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_ALLOCATE,
1899 &stats_info))
1900 return stats_info.stats_idx;
1901 }
1902
1903 for (i = 0; i < IRDMA_MAX_STATS_COUNT_GEN_1; i++) {
1904 if (!dev->stats_idx_array[i]) {
1905 dev->stats_idx_array[i] = true;
1906 return i;
1907 }
1908 }
1909
1910 return IRDMA_INVALID_STATS_IDX;
1911 }
1912
1913 /**
1914 * irdma_hw_stats_init_gen1 - Initialize stat reg table used for gen1
1915 * @vsi: vsi structure where hw_regs are set
1916 *
1917 * Populate the HW stats table
1918 */
irdma_hw_stats_init_gen1(struct irdma_sc_vsi * vsi)1919 static void irdma_hw_stats_init_gen1(struct irdma_sc_vsi *vsi)
1920 {
1921 struct irdma_sc_dev *dev = vsi->dev;
1922 const struct irdma_hw_stat_map *map;
1923 u64 *stat_reg = vsi->hw_stats_regs;
1924 u64 *regs = dev->hw_stats_regs;
1925 u16 i, stats_reg_set = vsi->stats_idx;
1926
1927 map = dev->hw_stats_map;
1928
1929 /* First 4 stat instances are reserved for port level statistics. */
1930 stats_reg_set += vsi->stats_inst_alloc ? IRDMA_FIRST_NON_PF_STAT : 0;
1931
1932 for (i = 0; i < dev->hw_attrs.max_stat_idx; i++) {
1933 if (map[i].bitmask <= IRDMA_MAX_STATS_32)
1934 stat_reg[i] = regs[i] + stats_reg_set * sizeof(u32);
1935 else
1936 stat_reg[i] = regs[i] + stats_reg_set * sizeof(u64);
1937 }
1938 }
1939
1940 /**
1941 * irdma_vsi_stats_init - Initialize the vsi statistics
1942 * @vsi: pointer to the vsi structure
1943 * @info: The info structure used for initialization
1944 */
irdma_vsi_stats_init(struct irdma_sc_vsi * vsi,struct irdma_vsi_stats_info * info)1945 int irdma_vsi_stats_init(struct irdma_sc_vsi *vsi,
1946 struct irdma_vsi_stats_info *info)
1947 {
1948 struct irdma_dma_mem *stats_buff_mem;
1949
1950 vsi->pestat = info->pestat;
1951 vsi->pestat->hw = vsi->dev->hw;
1952 vsi->pestat->vsi = vsi;
1953 stats_buff_mem = &vsi->pestat->gather_info.stats_buff_mem;
1954 stats_buff_mem->size = ALIGN(IRDMA_GATHER_STATS_BUF_SIZE * 2, 1);
1955 stats_buff_mem->va = dma_alloc_coherent(vsi->pestat->hw->device,
1956 stats_buff_mem->size,
1957 &stats_buff_mem->pa,
1958 GFP_KERNEL);
1959 if (!stats_buff_mem->va)
1960 return -ENOMEM;
1961
1962 vsi->pestat->gather_info.gather_stats_va = stats_buff_mem->va;
1963 vsi->pestat->gather_info.last_gather_stats_va =
1964 (void *)((uintptr_t)stats_buff_mem->va +
1965 IRDMA_GATHER_STATS_BUF_SIZE);
1966
1967 irdma_hw_stats_start_timer(vsi);
1968
1969 /* when stat allocation is not required default to fcn_id. */
1970 vsi->stats_idx = info->fcn_id;
1971 if (info->alloc_stats_inst) {
1972 u8 stats_idx = irdma_get_stats_idx(vsi);
1973
1974 if (stats_idx != IRDMA_INVALID_STATS_IDX) {
1975 vsi->stats_inst_alloc = true;
1976 vsi->stats_idx = stats_idx;
1977 vsi->pestat->gather_info.use_stats_inst = true;
1978 vsi->pestat->gather_info.stats_inst_index = stats_idx;
1979 }
1980 }
1981
1982 if (vsi->dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
1983 irdma_hw_stats_init_gen1(vsi);
1984
1985 return 0;
1986 }
1987
1988 /**
1989 * irdma_vsi_stats_free - Free the vsi stats
1990 * @vsi: pointer to the vsi structure
1991 */
irdma_vsi_stats_free(struct irdma_sc_vsi * vsi)1992 void irdma_vsi_stats_free(struct irdma_sc_vsi *vsi)
1993 {
1994 struct irdma_stats_inst_info stats_info = {};
1995 struct irdma_sc_dev *dev = vsi->dev;
1996 u8 stats_idx = vsi->stats_idx;
1997
1998 if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) {
1999 if (vsi->stats_inst_alloc) {
2000 stats_info.stats_idx = vsi->stats_idx;
2001 irdma_cqp_stats_inst_cmd(vsi, IRDMA_OP_STATS_FREE,
2002 &stats_info);
2003 }
2004 } else {
2005 if (vsi->stats_inst_alloc &&
2006 stats_idx < vsi->dev->hw_attrs.max_stat_inst)
2007 vsi->dev->stats_idx_array[stats_idx] = false;
2008 }
2009
2010 if (!vsi->pestat)
2011 return;
2012 irdma_hw_stats_stop_timer(vsi);
2013 dma_free_coherent(vsi->pestat->hw->device,
2014 vsi->pestat->gather_info.stats_buff_mem.size,
2015 vsi->pestat->gather_info.stats_buff_mem.va,
2016 vsi->pestat->gather_info.stats_buff_mem.pa);
2017 vsi->pestat->gather_info.stats_buff_mem.va = NULL;
2018 }
2019
2020 /**
2021 * irdma_get_encoded_wqe_size - given wq size, returns hardware encoded size
2022 * @wqsize: size of the wq (sq, rq) to encoded_size
2023 * @queue_type: queue type selected for the calculation algorithm
2024 */
irdma_get_encoded_wqe_size(u32 wqsize,enum irdma_queue_type queue_type)2025 u8 irdma_get_encoded_wqe_size(u32 wqsize, enum irdma_queue_type queue_type)
2026 {
2027 u8 encoded_size = 0;
2028
2029 /* cqp sq's hw coded value starts from 1 for size of 4
2030 * while it starts from 0 for qp' wq's.
2031 */
2032 if (queue_type == IRDMA_QUEUE_TYPE_CQP)
2033 encoded_size = 1;
2034 wqsize >>= 2;
2035 while (wqsize >>= 1)
2036 encoded_size++;
2037
2038 return encoded_size;
2039 }
2040
2041 /**
2042 * irdma_sc_gather_stats - collect the statistics
2043 * @cqp: struct for cqp hw
2044 * @info: gather stats info structure
2045 * @scratch: u64 saved to be used during cqp completion
2046 */
irdma_sc_gather_stats(struct irdma_sc_cqp * cqp,struct irdma_stats_gather_info * info,u64 scratch)2047 static int irdma_sc_gather_stats(struct irdma_sc_cqp *cqp,
2048 struct irdma_stats_gather_info *info,
2049 u64 scratch)
2050 {
2051 __le64 *wqe;
2052 u64 temp;
2053
2054 if (info->stats_buff_mem.size < IRDMA_GATHER_STATS_BUF_SIZE)
2055 return -ENOMEM;
2056
2057 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2058 if (!wqe)
2059 return -ENOMEM;
2060
2061 set_64bit_val(wqe, 40,
2062 FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fcn_index));
2063 set_64bit_val(wqe, 32, info->stats_buff_mem.pa);
2064
2065 temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) |
2066 FIELD_PREP(IRDMA_CQPSQ_STATS_USE_INST, info->use_stats_inst) |
2067 FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX,
2068 info->stats_inst_index) |
2069 FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX,
2070 info->use_hmc_fcn_index) |
2071 FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_GATHER_STATS);
2072 dma_wmb(); /* make sure WQE is written before valid bit is set */
2073
2074 set_64bit_val(wqe, 24, temp);
2075
2076 print_hex_dump_debug("STATS: GATHER_STATS WQE", DUMP_PREFIX_OFFSET,
2077 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2078
2079 irdma_sc_cqp_post_sq(cqp);
2080 ibdev_dbg(to_ibdev(cqp->dev),
2081 "STATS: CQP SQ head 0x%x tail 0x%x size 0x%x\n",
2082 cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size);
2083
2084 return 0;
2085 }
2086
2087 /**
2088 * irdma_sc_manage_stats_inst - allocate or free stats instance
2089 * @cqp: struct for cqp hw
2090 * @info: stats info structure
2091 * @alloc: alloc vs. delete flag
2092 * @scratch: u64 saved to be used during cqp completion
2093 */
irdma_sc_manage_stats_inst(struct irdma_sc_cqp * cqp,struct irdma_stats_inst_info * info,bool alloc,u64 scratch)2094 static int irdma_sc_manage_stats_inst(struct irdma_sc_cqp *cqp,
2095 struct irdma_stats_inst_info *info,
2096 bool alloc, u64 scratch)
2097 {
2098 __le64 *wqe;
2099 u64 temp;
2100
2101 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2102 if (!wqe)
2103 return -ENOMEM;
2104
2105 set_64bit_val(wqe, 40,
2106 FIELD_PREP(IRDMA_CQPSQ_STATS_HMC_FCN_INDEX, info->hmc_fn_id));
2107 temp = FIELD_PREP(IRDMA_CQPSQ_STATS_WQEVALID, cqp->polarity) |
2108 FIELD_PREP(IRDMA_CQPSQ_STATS_ALLOC_INST, alloc) |
2109 FIELD_PREP(IRDMA_CQPSQ_STATS_USE_HMC_FCN_INDEX,
2110 info->use_hmc_fcn_index) |
2111 FIELD_PREP(IRDMA_CQPSQ_STATS_INST_INDEX, info->stats_idx) |
2112 FIELD_PREP(IRDMA_CQPSQ_STATS_OP, IRDMA_CQP_OP_MANAGE_STATS);
2113
2114 dma_wmb(); /* make sure WQE is written before valid bit is set */
2115
2116 set_64bit_val(wqe, 24, temp);
2117
2118 print_hex_dump_debug("WQE: MANAGE_STATS WQE", DUMP_PREFIX_OFFSET, 16,
2119 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2120
2121 irdma_sc_cqp_post_sq(cqp);
2122 return 0;
2123 }
2124
2125 /**
2126 * irdma_sc_set_up_map - set the up map table
2127 * @cqp: struct for cqp hw
2128 * @info: User priority map info
2129 * @scratch: u64 saved to be used during cqp completion
2130 */
irdma_sc_set_up_map(struct irdma_sc_cqp * cqp,struct irdma_up_info * info,u64 scratch)2131 static int irdma_sc_set_up_map(struct irdma_sc_cqp *cqp,
2132 struct irdma_up_info *info, u64 scratch)
2133 {
2134 __le64 *wqe;
2135 u64 temp = 0;
2136 int i;
2137
2138 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2139 if (!wqe)
2140 return -ENOMEM;
2141
2142 for (i = 0; i < IRDMA_MAX_USER_PRIORITY; i++)
2143 temp |= (u64)info->map[i] << (i * 8);
2144
2145 set_64bit_val(wqe, 0, temp);
2146 set_64bit_val(wqe, 40,
2147 FIELD_PREP(IRDMA_CQPSQ_UP_CNPOVERRIDE, info->cnp_up_override) |
2148 FIELD_PREP(IRDMA_CQPSQ_UP_HMCFCNIDX, info->hmc_fcn_idx));
2149
2150 temp = FIELD_PREP(IRDMA_CQPSQ_UP_WQEVALID, cqp->polarity) |
2151 FIELD_PREP(IRDMA_CQPSQ_UP_USEVLAN, info->use_vlan) |
2152 FIELD_PREP(IRDMA_CQPSQ_UP_USEOVERRIDE,
2153 info->use_cnp_up_override) |
2154 FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_UP_MAP);
2155 dma_wmb(); /* make sure WQE is written before valid bit is set */
2156
2157 set_64bit_val(wqe, 24, temp);
2158
2159 print_hex_dump_debug("WQE: UPMAP WQE", DUMP_PREFIX_OFFSET, 16, 8, wqe,
2160 IRDMA_CQP_WQE_SIZE * 8, false);
2161 irdma_sc_cqp_post_sq(cqp);
2162
2163 return 0;
2164 }
2165
2166 /**
2167 * irdma_sc_manage_ws_node - create/modify/destroy WS node
2168 * @cqp: struct for cqp hw
2169 * @info: node info structure
2170 * @node_op: 0 for add 1 for modify, 2 for delete
2171 * @scratch: u64 saved to be used during cqp completion
2172 */
irdma_sc_manage_ws_node(struct irdma_sc_cqp * cqp,struct irdma_ws_node_info * info,enum irdma_ws_node_op node_op,u64 scratch)2173 static int irdma_sc_manage_ws_node(struct irdma_sc_cqp *cqp,
2174 struct irdma_ws_node_info *info,
2175 enum irdma_ws_node_op node_op, u64 scratch)
2176 {
2177 __le64 *wqe;
2178 u64 temp = 0;
2179
2180 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2181 if (!wqe)
2182 return -ENOMEM;
2183
2184 set_64bit_val(wqe, 32,
2185 FIELD_PREP(IRDMA_CQPSQ_WS_VSI, info->vsi) |
2186 FIELD_PREP(IRDMA_CQPSQ_WS_WEIGHT, info->weight));
2187
2188 temp = FIELD_PREP(IRDMA_CQPSQ_WS_WQEVALID, cqp->polarity) |
2189 FIELD_PREP(IRDMA_CQPSQ_WS_NODEOP, node_op) |
2190 FIELD_PREP(IRDMA_CQPSQ_WS_ENABLENODE, info->enable) |
2191 FIELD_PREP(IRDMA_CQPSQ_WS_NODETYPE, info->type_leaf) |
2192 FIELD_PREP(IRDMA_CQPSQ_WS_PRIOTYPE, info->prio_type) |
2193 FIELD_PREP(IRDMA_CQPSQ_WS_TC, info->tc) |
2194 FIELD_PREP(IRDMA_CQPSQ_WS_OP, IRDMA_CQP_OP_WORK_SCHED_NODE) |
2195 FIELD_PREP(IRDMA_CQPSQ_WS_PARENTID, info->parent_id) |
2196 FIELD_PREP(IRDMA_CQPSQ_WS_NODEID, info->id);
2197 dma_wmb(); /* make sure WQE is written before valid bit is set */
2198
2199 set_64bit_val(wqe, 24, temp);
2200
2201 print_hex_dump_debug("WQE: MANAGE_WS WQE", DUMP_PREFIX_OFFSET, 16, 8,
2202 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2203 irdma_sc_cqp_post_sq(cqp);
2204
2205 return 0;
2206 }
2207
2208 /**
2209 * irdma_sc_qp_flush_wqes - flush qp's wqe
2210 * @qp: sc qp
2211 * @info: dlush information
2212 * @scratch: u64 saved to be used during cqp completion
2213 * @post_sq: flag for cqp db to ring
2214 */
irdma_sc_qp_flush_wqes(struct irdma_sc_qp * qp,struct irdma_qp_flush_info * info,u64 scratch,bool post_sq)2215 int irdma_sc_qp_flush_wqes(struct irdma_sc_qp *qp,
2216 struct irdma_qp_flush_info *info, u64 scratch,
2217 bool post_sq)
2218 {
2219 u64 temp = 0;
2220 __le64 *wqe;
2221 struct irdma_sc_cqp *cqp;
2222 u64 hdr;
2223 bool flush_sq = false, flush_rq = false;
2224
2225 if (info->rq && !qp->flush_rq)
2226 flush_rq = true;
2227 if (info->sq && !qp->flush_sq)
2228 flush_sq = true;
2229 qp->flush_sq |= flush_sq;
2230 qp->flush_rq |= flush_rq;
2231
2232 if (!flush_sq && !flush_rq) {
2233 ibdev_dbg(to_ibdev(qp->dev),
2234 "CQP: Additional flush request ignored for qp %x\n",
2235 qp->qp_uk.qp_id);
2236 return -EALREADY;
2237 }
2238
2239 cqp = qp->pd->dev->cqp;
2240 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2241 if (!wqe)
2242 return -ENOMEM;
2243
2244 if (info->userflushcode) {
2245 if (flush_rq)
2246 temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMNERR,
2247 info->rq_minor_code) |
2248 FIELD_PREP(IRDMA_CQPSQ_FWQE_RQMJERR,
2249 info->rq_major_code);
2250 if (flush_sq)
2251 temp |= FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMNERR,
2252 info->sq_minor_code) |
2253 FIELD_PREP(IRDMA_CQPSQ_FWQE_SQMJERR,
2254 info->sq_major_code);
2255 }
2256 set_64bit_val(wqe, 16, temp);
2257
2258 temp = (info->generate_ae) ?
2259 info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE,
2260 info->ae_src) : 0;
2261 set_64bit_val(wqe, 8, temp);
2262
2263 hdr = qp->qp_uk.qp_id |
2264 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_FLUSH_WQES) |
2265 FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, info->generate_ae) |
2266 FIELD_PREP(IRDMA_CQPSQ_FWQE_USERFLCODE, info->userflushcode) |
2267 FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHSQ, flush_sq) |
2268 FIELD_PREP(IRDMA_CQPSQ_FWQE_FLUSHRQ, flush_rq) |
2269 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
2270 dma_wmb(); /* make sure WQE is written before valid bit is set */
2271
2272 set_64bit_val(wqe, 24, hdr);
2273
2274 print_hex_dump_debug("WQE: QP_FLUSH WQE", DUMP_PREFIX_OFFSET, 16, 8,
2275 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2276 if (post_sq)
2277 irdma_sc_cqp_post_sq(cqp);
2278
2279 return 0;
2280 }
2281
2282 /**
2283 * irdma_sc_gen_ae - generate AE, uses flush WQE CQP OP
2284 * @qp: sc qp
2285 * @info: gen ae information
2286 * @scratch: u64 saved to be used during cqp completion
2287 * @post_sq: flag for cqp db to ring
2288 */
irdma_sc_gen_ae(struct irdma_sc_qp * qp,struct irdma_gen_ae_info * info,u64 scratch,bool post_sq)2289 static int irdma_sc_gen_ae(struct irdma_sc_qp *qp,
2290 struct irdma_gen_ae_info *info, u64 scratch,
2291 bool post_sq)
2292 {
2293 u64 temp;
2294 __le64 *wqe;
2295 struct irdma_sc_cqp *cqp;
2296 u64 hdr;
2297
2298 cqp = qp->pd->dev->cqp;
2299 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2300 if (!wqe)
2301 return -ENOMEM;
2302
2303 temp = info->ae_code | FIELD_PREP(IRDMA_CQPSQ_FWQE_AESOURCE,
2304 info->ae_src);
2305 set_64bit_val(wqe, 8, temp);
2306
2307 hdr = qp->qp_uk.qp_id | FIELD_PREP(IRDMA_CQPSQ_OPCODE,
2308 IRDMA_CQP_OP_GEN_AE) |
2309 FIELD_PREP(IRDMA_CQPSQ_FWQE_GENERATE_AE, 1) |
2310 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
2311 dma_wmb(); /* make sure WQE is written before valid bit is set */
2312
2313 set_64bit_val(wqe, 24, hdr);
2314
2315 print_hex_dump_debug("WQE: GEN_AE WQE", DUMP_PREFIX_OFFSET, 16, 8,
2316 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2317 if (post_sq)
2318 irdma_sc_cqp_post_sq(cqp);
2319
2320 return 0;
2321 }
2322
2323 /*** irdma_sc_qp_upload_context - upload qp's context
2324 * @dev: sc device struct
2325 * @info: upload context info ptr for return
2326 * @scratch: u64 saved to be used during cqp completion
2327 * @post_sq: flag for cqp db to ring
2328 */
irdma_sc_qp_upload_context(struct irdma_sc_dev * dev,struct irdma_upload_context_info * info,u64 scratch,bool post_sq)2329 static int irdma_sc_qp_upload_context(struct irdma_sc_dev *dev,
2330 struct irdma_upload_context_info *info,
2331 u64 scratch, bool post_sq)
2332 {
2333 __le64 *wqe;
2334 struct irdma_sc_cqp *cqp;
2335 u64 hdr;
2336
2337 cqp = dev->cqp;
2338 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2339 if (!wqe)
2340 return -ENOMEM;
2341
2342 set_64bit_val(wqe, 16, info->buf_pa);
2343
2344 hdr = FIELD_PREP(IRDMA_CQPSQ_UCTX_QPID, info->qp_id) |
2345 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPLOAD_CONTEXT) |
2346 FIELD_PREP(IRDMA_CQPSQ_UCTX_QPTYPE, info->qp_type) |
2347 FIELD_PREP(IRDMA_CQPSQ_UCTX_RAWFORMAT, info->raw_format) |
2348 FIELD_PREP(IRDMA_CQPSQ_UCTX_FREEZEQP, info->freeze_qp) |
2349 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
2350 dma_wmb(); /* make sure WQE is written before valid bit is set */
2351
2352 set_64bit_val(wqe, 24, hdr);
2353
2354 print_hex_dump_debug("WQE: QP_UPLOAD_CTX WQE", DUMP_PREFIX_OFFSET, 16,
2355 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2356 if (post_sq)
2357 irdma_sc_cqp_post_sq(cqp);
2358
2359 return 0;
2360 }
2361
2362 /**
2363 * irdma_sc_manage_push_page - Handle push page
2364 * @cqp: struct for cqp hw
2365 * @info: push page info
2366 * @scratch: u64 saved to be used during cqp completion
2367 * @post_sq: flag for cqp db to ring
2368 */
irdma_sc_manage_push_page(struct irdma_sc_cqp * cqp,struct irdma_cqp_manage_push_page_info * info,u64 scratch,bool post_sq)2369 static int irdma_sc_manage_push_page(struct irdma_sc_cqp *cqp,
2370 struct irdma_cqp_manage_push_page_info *info,
2371 u64 scratch, bool post_sq)
2372 {
2373 __le64 *wqe;
2374 u64 hdr;
2375
2376 if (info->free_page &&
2377 info->push_idx >= cqp->dev->hw_attrs.max_hw_device_pages)
2378 return -EINVAL;
2379
2380 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2381 if (!wqe)
2382 return -ENOMEM;
2383
2384 set_64bit_val(wqe, 16, info->qs_handle);
2385 hdr = FIELD_PREP(IRDMA_CQPSQ_MPP_PPIDX, info->push_idx) |
2386 FIELD_PREP(IRDMA_CQPSQ_MPP_PPTYPE, info->push_page_type) |
2387 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MANAGE_PUSH_PAGES) |
2388 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) |
2389 FIELD_PREP(IRDMA_CQPSQ_MPP_FREE_PAGE, info->free_page);
2390 dma_wmb(); /* make sure WQE is written before valid bit is set */
2391
2392 set_64bit_val(wqe, 24, hdr);
2393
2394 print_hex_dump_debug("WQE: MANAGE_PUSH_PAGES WQE", DUMP_PREFIX_OFFSET,
2395 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2396 if (post_sq)
2397 irdma_sc_cqp_post_sq(cqp);
2398
2399 return 0;
2400 }
2401
2402 /**
2403 * irdma_sc_suspend_qp - suspend qp for param change
2404 * @cqp: struct for cqp hw
2405 * @qp: sc qp struct
2406 * @scratch: u64 saved to be used during cqp completion
2407 */
irdma_sc_suspend_qp(struct irdma_sc_cqp * cqp,struct irdma_sc_qp * qp,u64 scratch)2408 static int irdma_sc_suspend_qp(struct irdma_sc_cqp *cqp, struct irdma_sc_qp *qp,
2409 u64 scratch)
2410 {
2411 u64 hdr;
2412 __le64 *wqe;
2413
2414 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2415 if (!wqe)
2416 return -ENOMEM;
2417
2418 hdr = FIELD_PREP(IRDMA_CQPSQ_SUSPENDQP_QPID, qp->qp_uk.qp_id) |
2419 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_SUSPEND_QP) |
2420 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
2421 dma_wmb(); /* make sure WQE is written before valid bit is set */
2422
2423 set_64bit_val(wqe, 24, hdr);
2424
2425 print_hex_dump_debug("WQE: SUSPEND_QP WQE", DUMP_PREFIX_OFFSET, 16, 8,
2426 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2427 irdma_sc_cqp_post_sq(cqp);
2428
2429 return 0;
2430 }
2431
2432 /**
2433 * irdma_sc_resume_qp - resume qp after suspend
2434 * @cqp: struct for cqp hw
2435 * @qp: sc qp struct
2436 * @scratch: u64 saved to be used during cqp completion
2437 */
irdma_sc_resume_qp(struct irdma_sc_cqp * cqp,struct irdma_sc_qp * qp,u64 scratch)2438 static int irdma_sc_resume_qp(struct irdma_sc_cqp *cqp, struct irdma_sc_qp *qp,
2439 u64 scratch)
2440 {
2441 u64 hdr;
2442 __le64 *wqe;
2443
2444 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2445 if (!wqe)
2446 return -ENOMEM;
2447
2448 set_64bit_val(wqe, 16,
2449 FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QSHANDLE, qp->qs_handle));
2450
2451 hdr = FIELD_PREP(IRDMA_CQPSQ_RESUMEQP_QPID, qp->qp_uk.qp_id) |
2452 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_RESUME_QP) |
2453 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
2454 dma_wmb(); /* make sure WQE is written before valid bit is set */
2455
2456 set_64bit_val(wqe, 24, hdr);
2457
2458 print_hex_dump_debug("WQE: RESUME_QP WQE", DUMP_PREFIX_OFFSET, 16, 8,
2459 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2460 irdma_sc_cqp_post_sq(cqp);
2461
2462 return 0;
2463 }
2464
2465 /**
2466 * irdma_sc_cq_ack - acknowledge completion q
2467 * @cq: cq struct
2468 */
irdma_sc_cq_ack(struct irdma_sc_cq * cq)2469 static inline void irdma_sc_cq_ack(struct irdma_sc_cq *cq)
2470 {
2471 writel(cq->cq_uk.cq_id, cq->cq_uk.cq_ack_db);
2472 }
2473
2474 /**
2475 * irdma_sc_cq_init - initialize completion q
2476 * @cq: cq struct
2477 * @info: cq initialization info
2478 */
irdma_sc_cq_init(struct irdma_sc_cq * cq,struct irdma_cq_init_info * info)2479 int irdma_sc_cq_init(struct irdma_sc_cq *cq, struct irdma_cq_init_info *info)
2480 {
2481 u32 pble_obj_cnt;
2482
2483 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
2484 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
2485 return -EINVAL;
2486
2487 cq->cq_pa = info->cq_base_pa;
2488 cq->dev = info->dev;
2489 cq->ceq_id = info->ceq_id;
2490 info->cq_uk_init_info.cqe_alloc_db = cq->dev->cq_arm_db;
2491 info->cq_uk_init_info.cq_ack_db = cq->dev->cq_ack_db;
2492 irdma_uk_cq_init(&cq->cq_uk, &info->cq_uk_init_info);
2493
2494 cq->virtual_map = info->virtual_map;
2495 cq->pbl_chunk_size = info->pbl_chunk_size;
2496 cq->ceqe_mask = info->ceqe_mask;
2497 cq->cq_type = (info->type) ? info->type : IRDMA_CQ_TYPE_IWARP;
2498 cq->shadow_area_pa = info->shadow_area_pa;
2499 cq->shadow_read_threshold = info->shadow_read_threshold;
2500 cq->ceq_id_valid = info->ceq_id_valid;
2501 cq->tph_en = info->tph_en;
2502 cq->tph_val = info->tph_val;
2503 cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
2504 cq->vsi = info->vsi;
2505
2506 return 0;
2507 }
2508
2509 /**
2510 * irdma_sc_cq_create - create completion q
2511 * @cq: cq struct
2512 * @scratch: u64 saved to be used during cqp completion
2513 * @check_overflow: flag for overflow check
2514 * @post_sq: flag for cqp db to ring
2515 */
irdma_sc_cq_create(struct irdma_sc_cq * cq,u64 scratch,bool check_overflow,bool post_sq)2516 static int irdma_sc_cq_create(struct irdma_sc_cq *cq, u64 scratch,
2517 bool check_overflow, bool post_sq)
2518 {
2519 __le64 *wqe;
2520 struct irdma_sc_cqp *cqp;
2521 u64 hdr;
2522 struct irdma_sc_ceq *ceq;
2523 int ret_code = 0;
2524
2525 cqp = cq->dev->cqp;
2526 if (cq->cq_uk.cq_id >= cqp->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt)
2527 return -EINVAL;
2528
2529 if (cq->ceq_id >= cq->dev->hmc_fpm_misc.max_ceqs)
2530 return -EINVAL;
2531
2532 ceq = cq->dev->ceq[cq->ceq_id];
2533 if (ceq && ceq->reg_cq)
2534 ret_code = irdma_sc_add_cq_ctx(ceq, cq);
2535
2536 if (ret_code)
2537 return ret_code;
2538
2539 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2540 if (!wqe) {
2541 if (ceq && ceq->reg_cq)
2542 irdma_sc_remove_cq_ctx(ceq, cq);
2543 return -ENOMEM;
2544 }
2545
2546 set_64bit_val(wqe, 0, cq->cq_uk.cq_size);
2547 set_64bit_val(wqe, 8, (uintptr_t)cq >> 1);
2548 set_64bit_val(wqe, 16,
2549 FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, cq->shadow_read_threshold));
2550 set_64bit_val(wqe, 32, (cq->virtual_map ? 0 : cq->cq_pa));
2551 set_64bit_val(wqe, 40, cq->shadow_area_pa);
2552 set_64bit_val(wqe, 48,
2553 FIELD_PREP(IRDMA_CQPSQ_CQ_FIRSTPMPBLIDX, (cq->virtual_map ? cq->first_pm_pbl_idx : 0)));
2554 set_64bit_val(wqe, 56,
2555 FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) |
2556 FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx));
2557
2558 hdr = FLD_LS_64(cq->dev, cq->cq_uk.cq_id, IRDMA_CQPSQ_CQ_CQID) |
2559 FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0),
2560 IRDMA_CQPSQ_CQ_CEQID) |
2561 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CQ) |
2562 FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) |
2563 FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, check_overflow) |
2564 FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) |
2565 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) |
2566 FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) |
2567 FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) |
2568 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT,
2569 cq->cq_uk.avoid_mem_cflct) |
2570 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
2571 dma_wmb(); /* make sure WQE is written before valid bit is set */
2572
2573 set_64bit_val(wqe, 24, hdr);
2574
2575 print_hex_dump_debug("WQE: CQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
2576 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2577 if (post_sq)
2578 irdma_sc_cqp_post_sq(cqp);
2579
2580 return 0;
2581 }
2582
2583 /**
2584 * irdma_sc_cq_destroy - destroy completion q
2585 * @cq: cq struct
2586 * @scratch: u64 saved to be used during cqp completion
2587 * @post_sq: flag for cqp db to ring
2588 */
irdma_sc_cq_destroy(struct irdma_sc_cq * cq,u64 scratch,bool post_sq)2589 int irdma_sc_cq_destroy(struct irdma_sc_cq *cq, u64 scratch, bool post_sq)
2590 {
2591 struct irdma_sc_cqp *cqp;
2592 __le64 *wqe;
2593 u64 hdr;
2594 struct irdma_sc_ceq *ceq;
2595
2596 cqp = cq->dev->cqp;
2597 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2598 if (!wqe)
2599 return -ENOMEM;
2600
2601 ceq = cq->dev->ceq[cq->ceq_id];
2602 if (ceq && ceq->reg_cq)
2603 irdma_sc_remove_cq_ctx(ceq, cq);
2604
2605 set_64bit_val(wqe, 0, cq->cq_uk.cq_size);
2606 set_64bit_val(wqe, 8, (uintptr_t)cq >> 1);
2607 set_64bit_val(wqe, 40, cq->shadow_area_pa);
2608 set_64bit_val(wqe, 48,
2609 (cq->virtual_map ? cq->first_pm_pbl_idx : 0));
2610
2611 hdr = cq->cq_uk.cq_id |
2612 FLD_LS_64(cq->dev, (cq->ceq_id_valid ? cq->ceq_id : 0),
2613 IRDMA_CQPSQ_CQ_CEQID) |
2614 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) |
2615 FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, cq->pbl_chunk_size) |
2616 FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, cq->virtual_map) |
2617 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) |
2618 FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, cq->ceq_id_valid) |
2619 FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) |
2620 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, cq->cq_uk.avoid_mem_cflct) |
2621 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
2622 dma_wmb(); /* make sure WQE is written before valid bit is set */
2623
2624 set_64bit_val(wqe, 24, hdr);
2625
2626 print_hex_dump_debug("WQE: CQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16, 8,
2627 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2628 if (post_sq)
2629 irdma_sc_cqp_post_sq(cqp);
2630
2631 return 0;
2632 }
2633
2634 /**
2635 * irdma_sc_cq_resize - set resized cq buffer info
2636 * @cq: resized cq
2637 * @info: resized cq buffer info
2638 */
irdma_sc_cq_resize(struct irdma_sc_cq * cq,struct irdma_modify_cq_info * info)2639 void irdma_sc_cq_resize(struct irdma_sc_cq *cq, struct irdma_modify_cq_info *info)
2640 {
2641 cq->virtual_map = info->virtual_map;
2642 cq->cq_pa = info->cq_pa;
2643 cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
2644 cq->pbl_chunk_size = info->pbl_chunk_size;
2645 irdma_uk_cq_resize(&cq->cq_uk, info->cq_base, info->cq_size);
2646 }
2647
2648 /**
2649 * irdma_sc_cq_modify - modify a Completion Queue
2650 * @cq: cq struct
2651 * @info: modification info struct
2652 * @scratch: u64 saved to be used during cqp completion
2653 * @post_sq: flag to post to sq
2654 */
irdma_sc_cq_modify(struct irdma_sc_cq * cq,struct irdma_modify_cq_info * info,u64 scratch,bool post_sq)2655 static int irdma_sc_cq_modify(struct irdma_sc_cq *cq,
2656 struct irdma_modify_cq_info *info, u64 scratch,
2657 bool post_sq)
2658 {
2659 struct irdma_sc_cqp *cqp;
2660 __le64 *wqe;
2661 u64 hdr;
2662 u32 pble_obj_cnt;
2663
2664 pble_obj_cnt = cq->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
2665 if (info->cq_resize && info->virtual_map &&
2666 info->first_pm_pbl_idx >= pble_obj_cnt)
2667 return -EINVAL;
2668
2669 cqp = cq->dev->cqp;
2670 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
2671 if (!wqe)
2672 return -ENOMEM;
2673
2674 set_64bit_val(wqe, 0, info->cq_size);
2675 set_64bit_val(wqe, 8, (uintptr_t)cq >> 1);
2676 set_64bit_val(wqe, 16,
2677 FIELD_PREP(IRDMA_CQPSQ_CQ_SHADOW_READ_THRESHOLD, info->shadow_read_threshold));
2678 set_64bit_val(wqe, 32, info->cq_pa);
2679 set_64bit_val(wqe, 40, cq->shadow_area_pa);
2680 set_64bit_val(wqe, 48, info->first_pm_pbl_idx);
2681 set_64bit_val(wqe, 56,
2682 FIELD_PREP(IRDMA_CQPSQ_TPHVAL, cq->tph_val) |
2683 FIELD_PREP(IRDMA_CQPSQ_VSIIDX, cq->vsi->vsi_idx));
2684
2685 hdr = cq->cq_uk.cq_id |
2686 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_MODIFY_CQ) |
2687 FIELD_PREP(IRDMA_CQPSQ_CQ_CQRESIZE, info->cq_resize) |
2688 FIELD_PREP(IRDMA_CQPSQ_CQ_LPBLSIZE, info->pbl_chunk_size) |
2689 FIELD_PREP(IRDMA_CQPSQ_CQ_CHKOVERFLOW, info->check_overflow) |
2690 FIELD_PREP(IRDMA_CQPSQ_CQ_VIRTMAP, info->virtual_map) |
2691 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, cq->ceqe_mask) |
2692 FIELD_PREP(IRDMA_CQPSQ_TPHEN, cq->tph_en) |
2693 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT,
2694 cq->cq_uk.avoid_mem_cflct) |
2695 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
2696 dma_wmb(); /* make sure WQE is written before valid bit is set */
2697
2698 set_64bit_val(wqe, 24, hdr);
2699
2700 print_hex_dump_debug("WQE: CQ_MODIFY WQE", DUMP_PREFIX_OFFSET, 16, 8,
2701 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
2702 if (post_sq)
2703 irdma_sc_cqp_post_sq(cqp);
2704
2705 return 0;
2706 }
2707
2708 /**
2709 * irdma_check_cqp_progress - check cqp processing progress
2710 * @timeout: timeout info struct
2711 * @dev: sc device struct
2712 */
irdma_check_cqp_progress(struct irdma_cqp_timeout * timeout,struct irdma_sc_dev * dev)2713 void irdma_check_cqp_progress(struct irdma_cqp_timeout *timeout, struct irdma_sc_dev *dev)
2714 {
2715 u64 completed_ops = atomic64_read(&dev->cqp->completed_ops);
2716
2717 if (timeout->compl_cqp_cmds != completed_ops) {
2718 timeout->compl_cqp_cmds = completed_ops;
2719 timeout->count = 0;
2720 } else if (timeout->compl_cqp_cmds != dev->cqp->requested_ops) {
2721 timeout->count++;
2722 }
2723 }
2724
2725 /**
2726 * irdma_get_cqp_reg_info - get head and tail for cqp using registers
2727 * @cqp: struct for cqp hw
2728 * @val: cqp tail register value
2729 * @tail: wqtail register value
2730 * @error: cqp processing err
2731 */
irdma_get_cqp_reg_info(struct irdma_sc_cqp * cqp,u32 * val,u32 * tail,u32 * error)2732 static inline void irdma_get_cqp_reg_info(struct irdma_sc_cqp *cqp, u32 *val,
2733 u32 *tail, u32 *error)
2734 {
2735 *val = readl(cqp->dev->hw_regs[IRDMA_CQPTAIL]);
2736 *tail = FIELD_GET(IRDMA_CQPTAIL_WQTAIL, *val);
2737 *error = FIELD_GET(IRDMA_CQPTAIL_CQP_OP_ERR, *val);
2738 }
2739
2740 /**
2741 * irdma_cqp_poll_registers - poll cqp registers
2742 * @cqp: struct for cqp hw
2743 * @tail: wqtail register value
2744 * @count: how many times to try for completion
2745 */
irdma_cqp_poll_registers(struct irdma_sc_cqp * cqp,u32 tail,u32 count)2746 static int irdma_cqp_poll_registers(struct irdma_sc_cqp *cqp, u32 tail,
2747 u32 count)
2748 {
2749 u32 i = 0;
2750 u32 newtail, error, val;
2751
2752 while (i++ < count) {
2753 irdma_get_cqp_reg_info(cqp, &val, &newtail, &error);
2754 if (error) {
2755 error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]);
2756 ibdev_dbg(to_ibdev(cqp->dev),
2757 "CQP: CQPERRCODES error_code[x%08X]\n",
2758 error);
2759 return -EIO;
2760 }
2761 if (newtail != tail) {
2762 /* SUCCESS */
2763 IRDMA_RING_MOVE_TAIL(cqp->sq_ring);
2764 atomic64_inc(&cqp->completed_ops);
2765 return 0;
2766 }
2767 udelay(cqp->dev->hw_attrs.max_sleep_count);
2768 }
2769
2770 return -ETIMEDOUT;
2771 }
2772
2773 /**
2774 * irdma_sc_decode_fpm_commit - decode a 64 bit value into count and base
2775 * @dev: sc device struct
2776 * @buf: pointer to commit buffer
2777 * @buf_idx: buffer index
2778 * @obj_info: object info pointer
2779 * @rsrc_idx: indexs of memory resource
2780 */
irdma_sc_decode_fpm_commit(struct irdma_sc_dev * dev,__le64 * buf,u32 buf_idx,struct irdma_hmc_obj_info * obj_info,u32 rsrc_idx)2781 static u64 irdma_sc_decode_fpm_commit(struct irdma_sc_dev *dev, __le64 *buf,
2782 u32 buf_idx, struct irdma_hmc_obj_info *obj_info,
2783 u32 rsrc_idx)
2784 {
2785 u64 temp;
2786
2787 get_64bit_val(buf, buf_idx, &temp);
2788
2789 switch (rsrc_idx) {
2790 case IRDMA_HMC_IW_QP:
2791 obj_info[rsrc_idx].cnt = (u32)FIELD_GET(IRDMA_COMMIT_FPM_QPCNT, temp);
2792 break;
2793 case IRDMA_HMC_IW_CQ:
2794 obj_info[rsrc_idx].cnt = (u32)FLD_RS_64(dev, temp, IRDMA_COMMIT_FPM_CQCNT);
2795 break;
2796 case IRDMA_HMC_IW_APBVT_ENTRY:
2797 obj_info[rsrc_idx].cnt = 1;
2798 break;
2799 default:
2800 obj_info[rsrc_idx].cnt = (u32)temp;
2801 break;
2802 }
2803
2804 obj_info[rsrc_idx].base = (temp >> IRDMA_COMMIT_FPM_BASE_S) * 512;
2805
2806 return temp;
2807 }
2808
2809 /**
2810 * irdma_sc_parse_fpm_commit_buf - parse fpm commit buffer
2811 * @dev: pointer to dev struct
2812 * @buf: ptr to fpm commit buffer
2813 * @info: ptr to irdma_hmc_obj_info struct
2814 * @sd: number of SDs for HMC objects
2815 *
2816 * parses fpm commit info and copy base value
2817 * of hmc objects in hmc_info
2818 */
2819 static void
irdma_sc_parse_fpm_commit_buf(struct irdma_sc_dev * dev,__le64 * buf,struct irdma_hmc_obj_info * info,u32 * sd)2820 irdma_sc_parse_fpm_commit_buf(struct irdma_sc_dev *dev, __le64 *buf,
2821 struct irdma_hmc_obj_info *info, u32 *sd)
2822 {
2823 u64 size;
2824 u32 i;
2825 u64 max_base = 0;
2826 u32 last_hmc_obj = 0;
2827
2828 irdma_sc_decode_fpm_commit(dev, buf, 0, info,
2829 IRDMA_HMC_IW_QP);
2830 irdma_sc_decode_fpm_commit(dev, buf, 8, info,
2831 IRDMA_HMC_IW_CQ);
2832 /* skiping RSRVD */
2833 irdma_sc_decode_fpm_commit(dev, buf, 24, info,
2834 IRDMA_HMC_IW_HTE);
2835 irdma_sc_decode_fpm_commit(dev, buf, 32, info,
2836 IRDMA_HMC_IW_ARP);
2837 irdma_sc_decode_fpm_commit(dev, buf, 40, info,
2838 IRDMA_HMC_IW_APBVT_ENTRY);
2839 irdma_sc_decode_fpm_commit(dev, buf, 48, info,
2840 IRDMA_HMC_IW_MR);
2841 irdma_sc_decode_fpm_commit(dev, buf, 56, info,
2842 IRDMA_HMC_IW_XF);
2843 irdma_sc_decode_fpm_commit(dev, buf, 64, info,
2844 IRDMA_HMC_IW_XFFL);
2845 irdma_sc_decode_fpm_commit(dev, buf, 72, info,
2846 IRDMA_HMC_IW_Q1);
2847 irdma_sc_decode_fpm_commit(dev, buf, 80, info,
2848 IRDMA_HMC_IW_Q1FL);
2849 irdma_sc_decode_fpm_commit(dev, buf, 88, info,
2850 IRDMA_HMC_IW_TIMER);
2851 irdma_sc_decode_fpm_commit(dev, buf, 112, info,
2852 IRDMA_HMC_IW_PBLE);
2853 /* skipping RSVD. */
2854 if (dev->hw_attrs.uk_attrs.hw_rev != IRDMA_GEN_1) {
2855 irdma_sc_decode_fpm_commit(dev, buf, 96, info,
2856 IRDMA_HMC_IW_FSIMC);
2857 irdma_sc_decode_fpm_commit(dev, buf, 104, info,
2858 IRDMA_HMC_IW_FSIAV);
2859 irdma_sc_decode_fpm_commit(dev, buf, 128, info,
2860 IRDMA_HMC_IW_RRF);
2861 irdma_sc_decode_fpm_commit(dev, buf, 136, info,
2862 IRDMA_HMC_IW_RRFFL);
2863 irdma_sc_decode_fpm_commit(dev, buf, 144, info,
2864 IRDMA_HMC_IW_HDR);
2865 irdma_sc_decode_fpm_commit(dev, buf, 152, info,
2866 IRDMA_HMC_IW_MD);
2867 irdma_sc_decode_fpm_commit(dev, buf, 160, info,
2868 IRDMA_HMC_IW_OOISC);
2869 irdma_sc_decode_fpm_commit(dev, buf, 168, info,
2870 IRDMA_HMC_IW_OOISCFFL);
2871 }
2872
2873 /* searching for the last object in HMC to find the size of the HMC area. */
2874 for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++) {
2875 if (info[i].base > max_base) {
2876 max_base = info[i].base;
2877 last_hmc_obj = i;
2878 }
2879 }
2880
2881 size = info[last_hmc_obj].cnt * info[last_hmc_obj].size +
2882 info[last_hmc_obj].base;
2883
2884 if (size & 0x1FFFFF)
2885 *sd = (u32)((size >> 21) + 1); /* add 1 for remainder */
2886 else
2887 *sd = (u32)(size >> 21);
2888
2889 }
2890
2891 /**
2892 * irdma_sc_decode_fpm_query() - Decode a 64 bit value into max count and size
2893 * @buf: ptr to fpm query buffer
2894 * @buf_idx: index into buf
2895 * @obj_info: ptr to irdma_hmc_obj_info struct
2896 * @rsrc_idx: resource index into info
2897 *
2898 * Decode a 64 bit value from fpm query buffer into max count and size
2899 */
irdma_sc_decode_fpm_query(__le64 * buf,u32 buf_idx,struct irdma_hmc_obj_info * obj_info,u32 rsrc_idx)2900 static u64 irdma_sc_decode_fpm_query(__le64 *buf, u32 buf_idx,
2901 struct irdma_hmc_obj_info *obj_info,
2902 u32 rsrc_idx)
2903 {
2904 u64 temp;
2905 u32 size;
2906
2907 get_64bit_val(buf, buf_idx, &temp);
2908 obj_info[rsrc_idx].max_cnt = (u32)temp;
2909 size = (u32)(temp >> 32);
2910 obj_info[rsrc_idx].size = BIT_ULL(size);
2911
2912 return temp;
2913 }
2914
2915 /**
2916 * irdma_sc_parse_fpm_query_buf() - parses fpm query buffer
2917 * @dev: ptr to shared code device
2918 * @buf: ptr to fpm query buffer
2919 * @hmc_info: ptr to irdma_hmc_obj_info struct
2920 * @hmc_fpm_misc: ptr to fpm data
2921 *
2922 * parses fpm query buffer and copy max_cnt and
2923 * size value of hmc objects in hmc_info
2924 */
irdma_sc_parse_fpm_query_buf(struct irdma_sc_dev * dev,__le64 * buf,struct irdma_hmc_info * hmc_info,struct irdma_hmc_fpm_misc * hmc_fpm_misc)2925 static int irdma_sc_parse_fpm_query_buf(struct irdma_sc_dev *dev, __le64 *buf,
2926 struct irdma_hmc_info *hmc_info,
2927 struct irdma_hmc_fpm_misc *hmc_fpm_misc)
2928 {
2929 struct irdma_hmc_obj_info *obj_info;
2930 u64 temp;
2931 u32 size;
2932 u16 max_pe_sds;
2933
2934 obj_info = hmc_info->hmc_obj;
2935
2936 get_64bit_val(buf, 0, &temp);
2937 hmc_info->first_sd_index = (u16)FIELD_GET(IRDMA_QUERY_FPM_FIRST_PE_SD_INDEX, temp);
2938 max_pe_sds = (u16)FIELD_GET(IRDMA_QUERY_FPM_MAX_PE_SDS, temp);
2939
2940 hmc_fpm_misc->max_sds = max_pe_sds;
2941 hmc_info->sd_table.sd_cnt = max_pe_sds + hmc_info->first_sd_index;
2942 get_64bit_val(buf, 8, &temp);
2943 obj_info[IRDMA_HMC_IW_QP].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_QPS, temp);
2944 size = (u32)(temp >> 32);
2945 obj_info[IRDMA_HMC_IW_QP].size = BIT_ULL(size);
2946
2947 get_64bit_val(buf, 16, &temp);
2948 obj_info[IRDMA_HMC_IW_CQ].max_cnt = (u32)FIELD_GET(IRDMA_QUERY_FPM_MAX_CQS, temp);
2949 size = (u32)(temp >> 32);
2950 obj_info[IRDMA_HMC_IW_CQ].size = BIT_ULL(size);
2951
2952 irdma_sc_decode_fpm_query(buf, 32, obj_info, IRDMA_HMC_IW_HTE);
2953 irdma_sc_decode_fpm_query(buf, 40, obj_info, IRDMA_HMC_IW_ARP);
2954
2955 obj_info[IRDMA_HMC_IW_APBVT_ENTRY].size = 8192;
2956 obj_info[IRDMA_HMC_IW_APBVT_ENTRY].max_cnt = 1;
2957
2958 irdma_sc_decode_fpm_query(buf, 48, obj_info, IRDMA_HMC_IW_MR);
2959 irdma_sc_decode_fpm_query(buf, 56, obj_info, IRDMA_HMC_IW_XF);
2960
2961 get_64bit_val(buf, 64, &temp);
2962 obj_info[IRDMA_HMC_IW_XFFL].max_cnt = (u32)temp;
2963 obj_info[IRDMA_HMC_IW_XFFL].size = 4;
2964 hmc_fpm_misc->xf_block_size = FIELD_GET(IRDMA_QUERY_FPM_XFBLOCKSIZE, temp);
2965 if (!hmc_fpm_misc->xf_block_size)
2966 return -EINVAL;
2967
2968 irdma_sc_decode_fpm_query(buf, 72, obj_info, IRDMA_HMC_IW_Q1);
2969 get_64bit_val(buf, 80, &temp);
2970 obj_info[IRDMA_HMC_IW_Q1FL].max_cnt = (u32)temp;
2971 obj_info[IRDMA_HMC_IW_Q1FL].size = 4;
2972
2973 hmc_fpm_misc->q1_block_size = FIELD_GET(IRDMA_QUERY_FPM_Q1BLOCKSIZE, temp);
2974 if (!hmc_fpm_misc->q1_block_size)
2975 return -EINVAL;
2976
2977 irdma_sc_decode_fpm_query(buf, 88, obj_info, IRDMA_HMC_IW_TIMER);
2978
2979 get_64bit_val(buf, 112, &temp);
2980 obj_info[IRDMA_HMC_IW_PBLE].max_cnt = (u32)temp;
2981 obj_info[IRDMA_HMC_IW_PBLE].size = 8;
2982
2983 get_64bit_val(buf, 120, &temp);
2984 hmc_fpm_misc->max_ceqs = FIELD_GET(IRDMA_QUERY_FPM_MAX_CEQS, temp);
2985 hmc_fpm_misc->ht_multiplier = FIELD_GET(IRDMA_QUERY_FPM_HTMULTIPLIER, temp);
2986 hmc_fpm_misc->timer_bucket = FIELD_GET(IRDMA_QUERY_FPM_TIMERBUCKET, temp);
2987 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
2988 return 0;
2989 irdma_sc_decode_fpm_query(buf, 96, obj_info, IRDMA_HMC_IW_FSIMC);
2990 irdma_sc_decode_fpm_query(buf, 104, obj_info, IRDMA_HMC_IW_FSIAV);
2991 irdma_sc_decode_fpm_query(buf, 128, obj_info, IRDMA_HMC_IW_RRF);
2992
2993 get_64bit_val(buf, 136, &temp);
2994 obj_info[IRDMA_HMC_IW_RRFFL].max_cnt = (u32)temp;
2995 obj_info[IRDMA_HMC_IW_RRFFL].size = 4;
2996 hmc_fpm_misc->rrf_block_size = FIELD_GET(IRDMA_QUERY_FPM_RRFBLOCKSIZE, temp);
2997 if (!hmc_fpm_misc->rrf_block_size &&
2998 obj_info[IRDMA_HMC_IW_RRFFL].max_cnt)
2999 return -EINVAL;
3000
3001 irdma_sc_decode_fpm_query(buf, 144, obj_info, IRDMA_HMC_IW_HDR);
3002 irdma_sc_decode_fpm_query(buf, 152, obj_info, IRDMA_HMC_IW_MD);
3003 irdma_sc_decode_fpm_query(buf, 160, obj_info, IRDMA_HMC_IW_OOISC);
3004
3005 get_64bit_val(buf, 168, &temp);
3006 obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt = (u32)temp;
3007 obj_info[IRDMA_HMC_IW_OOISCFFL].size = 4;
3008 hmc_fpm_misc->ooiscf_block_size = FIELD_GET(IRDMA_QUERY_FPM_OOISCFBLOCKSIZE, temp);
3009 if (!hmc_fpm_misc->ooiscf_block_size &&
3010 obj_info[IRDMA_HMC_IW_OOISCFFL].max_cnt)
3011 return -EINVAL;
3012
3013 return 0;
3014 }
3015
3016 /**
3017 * irdma_sc_find_reg_cq - find cq ctx index
3018 * @ceq: ceq sc structure
3019 * @cq: cq sc structure
3020 */
irdma_sc_find_reg_cq(struct irdma_sc_ceq * ceq,struct irdma_sc_cq * cq)3021 static u32 irdma_sc_find_reg_cq(struct irdma_sc_ceq *ceq,
3022 struct irdma_sc_cq *cq)
3023 {
3024 u32 i;
3025
3026 for (i = 0; i < ceq->reg_cq_size; i++) {
3027 if (cq == ceq->reg_cq[i])
3028 return i;
3029 }
3030
3031 return IRDMA_INVALID_CQ_IDX;
3032 }
3033
3034 /**
3035 * irdma_sc_add_cq_ctx - add cq ctx tracking for ceq
3036 * @ceq: ceq sc structure
3037 * @cq: cq sc structure
3038 */
irdma_sc_add_cq_ctx(struct irdma_sc_ceq * ceq,struct irdma_sc_cq * cq)3039 int irdma_sc_add_cq_ctx(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq)
3040 {
3041 unsigned long flags;
3042
3043 spin_lock_irqsave(&ceq->req_cq_lock, flags);
3044
3045 if (ceq->reg_cq_size == ceq->elem_cnt) {
3046 spin_unlock_irqrestore(&ceq->req_cq_lock, flags);
3047 return -ENOMEM;
3048 }
3049
3050 ceq->reg_cq[ceq->reg_cq_size++] = cq;
3051
3052 spin_unlock_irqrestore(&ceq->req_cq_lock, flags);
3053
3054 return 0;
3055 }
3056
3057 /**
3058 * irdma_sc_remove_cq_ctx - remove cq ctx tracking for ceq
3059 * @ceq: ceq sc structure
3060 * @cq: cq sc structure
3061 */
irdma_sc_remove_cq_ctx(struct irdma_sc_ceq * ceq,struct irdma_sc_cq * cq)3062 void irdma_sc_remove_cq_ctx(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq)
3063 {
3064 unsigned long flags;
3065 u32 cq_ctx_idx;
3066
3067 spin_lock_irqsave(&ceq->req_cq_lock, flags);
3068 cq_ctx_idx = irdma_sc_find_reg_cq(ceq, cq);
3069 if (cq_ctx_idx == IRDMA_INVALID_CQ_IDX)
3070 goto exit;
3071
3072 ceq->reg_cq_size--;
3073 if (cq_ctx_idx != ceq->reg_cq_size)
3074 ceq->reg_cq[cq_ctx_idx] = ceq->reg_cq[ceq->reg_cq_size];
3075 ceq->reg_cq[ceq->reg_cq_size] = NULL;
3076
3077 exit:
3078 spin_unlock_irqrestore(&ceq->req_cq_lock, flags);
3079 }
3080
3081 /**
3082 * irdma_sc_cqp_init - Initialize buffers for a control Queue Pair
3083 * @cqp: IWARP control queue pair pointer
3084 * @info: IWARP control queue pair init info pointer
3085 *
3086 * Initializes the object and context buffers for a control Queue Pair.
3087 */
irdma_sc_cqp_init(struct irdma_sc_cqp * cqp,struct irdma_cqp_init_info * info)3088 int irdma_sc_cqp_init(struct irdma_sc_cqp *cqp,
3089 struct irdma_cqp_init_info *info)
3090 {
3091 u8 hw_sq_size;
3092
3093 if (info->sq_size > IRDMA_CQP_SW_SQSIZE_2048 ||
3094 info->sq_size < IRDMA_CQP_SW_SQSIZE_4 ||
3095 ((info->sq_size & (info->sq_size - 1))))
3096 return -EINVAL;
3097
3098 hw_sq_size = irdma_get_encoded_wqe_size(info->sq_size,
3099 IRDMA_QUEUE_TYPE_CQP);
3100 cqp->size = sizeof(*cqp);
3101 cqp->sq_size = info->sq_size;
3102 cqp->hw_sq_size = hw_sq_size;
3103 cqp->sq_base = info->sq;
3104 cqp->host_ctx = info->host_ctx;
3105 cqp->sq_pa = info->sq_pa;
3106 cqp->host_ctx_pa = info->host_ctx_pa;
3107 cqp->dev = info->dev;
3108 cqp->struct_ver = info->struct_ver;
3109 cqp->hw_maj_ver = info->hw_maj_ver;
3110 cqp->hw_min_ver = info->hw_min_ver;
3111 cqp->scratch_array = info->scratch_array;
3112 cqp->polarity = 0;
3113 cqp->en_datacenter_tcp = info->en_datacenter_tcp;
3114 cqp->ena_vf_count = info->ena_vf_count;
3115 cqp->hmc_profile = info->hmc_profile;
3116 cqp->ceqs_per_vf = info->ceqs_per_vf;
3117 cqp->disable_packed = info->disable_packed;
3118 cqp->rocev2_rto_policy = info->rocev2_rto_policy;
3119 cqp->protocol_used = info->protocol_used;
3120 memcpy(&cqp->dcqcn_params, &info->dcqcn_params, sizeof(cqp->dcqcn_params));
3121 info->dev->cqp = cqp;
3122
3123 IRDMA_RING_INIT(cqp->sq_ring, cqp->sq_size);
3124 cqp->requested_ops = 0;
3125 atomic64_set(&cqp->completed_ops, 0);
3126 /* for the cqp commands backlog. */
3127 INIT_LIST_HEAD(&cqp->dev->cqp_cmd_head);
3128
3129 writel(0, cqp->dev->hw_regs[IRDMA_CQPTAIL]);
3130 writel(0, cqp->dev->hw_regs[IRDMA_CQPDB]);
3131 writel(0, cqp->dev->hw_regs[IRDMA_CCQPSTATUS]);
3132
3133 ibdev_dbg(to_ibdev(cqp->dev),
3134 "WQE: sq_size[%04d] hw_sq_size[%04d] sq_base[%p] sq_pa[%pK] cqp[%p] polarity[x%04x]\n",
3135 cqp->sq_size, cqp->hw_sq_size, cqp->sq_base,
3136 (u64 *)(uintptr_t)cqp->sq_pa, cqp, cqp->polarity);
3137 return 0;
3138 }
3139
3140 /**
3141 * irdma_sc_cqp_create - create cqp during bringup
3142 * @cqp: struct for cqp hw
3143 * @maj_err: If error, major err number
3144 * @min_err: If error, minor err number
3145 */
irdma_sc_cqp_create(struct irdma_sc_cqp * cqp,u16 * maj_err,u16 * min_err)3146 int irdma_sc_cqp_create(struct irdma_sc_cqp *cqp, u16 *maj_err, u16 *min_err)
3147 {
3148 u64 temp;
3149 u8 hw_rev;
3150 u32 cnt = 0, p1, p2, val = 0, err_code;
3151 int ret_code;
3152
3153 hw_rev = cqp->dev->hw_attrs.uk_attrs.hw_rev;
3154 cqp->sdbuf.size = ALIGN(IRDMA_UPDATE_SD_BUFF_SIZE * cqp->sq_size,
3155 IRDMA_SD_BUF_ALIGNMENT);
3156 cqp->sdbuf.va = dma_alloc_coherent(cqp->dev->hw->device,
3157 cqp->sdbuf.size, &cqp->sdbuf.pa,
3158 GFP_KERNEL);
3159 if (!cqp->sdbuf.va)
3160 return -ENOMEM;
3161
3162 spin_lock_init(&cqp->dev->cqp_lock);
3163
3164 temp = FIELD_PREP(IRDMA_CQPHC_SQSIZE, cqp->hw_sq_size) |
3165 FIELD_PREP(IRDMA_CQPHC_SVER, cqp->struct_ver) |
3166 FIELD_PREP(IRDMA_CQPHC_DISABLE_PFPDUS, cqp->disable_packed) |
3167 FIELD_PREP(IRDMA_CQPHC_CEQPERVF, cqp->ceqs_per_vf);
3168 if (hw_rev >= IRDMA_GEN_2) {
3169 temp |= FIELD_PREP(IRDMA_CQPHC_ROCEV2_RTO_POLICY,
3170 cqp->rocev2_rto_policy) |
3171 FIELD_PREP(IRDMA_CQPHC_PROTOCOL_USED,
3172 cqp->protocol_used);
3173 }
3174
3175 set_64bit_val(cqp->host_ctx, 0, temp);
3176 set_64bit_val(cqp->host_ctx, 8, cqp->sq_pa);
3177
3178 temp = FIELD_PREP(IRDMA_CQPHC_ENABLED_VFS, cqp->ena_vf_count) |
3179 FIELD_PREP(IRDMA_CQPHC_HMC_PROFILE, cqp->hmc_profile);
3180 set_64bit_val(cqp->host_ctx, 16, temp);
3181 set_64bit_val(cqp->host_ctx, 24, (uintptr_t)cqp);
3182 temp = FIELD_PREP(IRDMA_CQPHC_HW_MAJVER, cqp->hw_maj_ver) |
3183 FIELD_PREP(IRDMA_CQPHC_HW_MINVER, cqp->hw_min_ver);
3184 if (hw_rev >= IRDMA_GEN_2) {
3185 temp |= FIELD_PREP(IRDMA_CQPHC_MIN_RATE, cqp->dcqcn_params.min_rate) |
3186 FIELD_PREP(IRDMA_CQPHC_MIN_DEC_FACTOR, cqp->dcqcn_params.min_dec_factor);
3187 }
3188 set_64bit_val(cqp->host_ctx, 32, temp);
3189 set_64bit_val(cqp->host_ctx, 40, 0);
3190 temp = 0;
3191 if (hw_rev >= IRDMA_GEN_2) {
3192 temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_T, cqp->dcqcn_params.dcqcn_t) |
3193 FIELD_PREP(IRDMA_CQPHC_RAI_FACTOR, cqp->dcqcn_params.rai_factor) |
3194 FIELD_PREP(IRDMA_CQPHC_HAI_FACTOR, cqp->dcqcn_params.hai_factor);
3195 }
3196 set_64bit_val(cqp->host_ctx, 48, temp);
3197 temp = 0;
3198 if (hw_rev >= IRDMA_GEN_2) {
3199 temp |= FIELD_PREP(IRDMA_CQPHC_DCQCN_B, cqp->dcqcn_params.dcqcn_b) |
3200 FIELD_PREP(IRDMA_CQPHC_DCQCN_F, cqp->dcqcn_params.dcqcn_f) |
3201 FIELD_PREP(IRDMA_CQPHC_CC_CFG_VALID, cqp->dcqcn_params.cc_cfg_valid) |
3202 FIELD_PREP(IRDMA_CQPHC_RREDUCE_MPERIOD, cqp->dcqcn_params.rreduce_mperiod);
3203 }
3204 set_64bit_val(cqp->host_ctx, 56, temp);
3205 print_hex_dump_debug("WQE: CQP_HOST_CTX WQE", DUMP_PREFIX_OFFSET, 16,
3206 8, cqp->host_ctx, IRDMA_CQP_CTX_SIZE * 8, false);
3207 p1 = cqp->host_ctx_pa >> 32;
3208 p2 = (u32)cqp->host_ctx_pa;
3209
3210 writel(p1, cqp->dev->hw_regs[IRDMA_CCQPHIGH]);
3211 writel(p2, cqp->dev->hw_regs[IRDMA_CCQPLOW]);
3212
3213 do {
3214 if (cnt++ > cqp->dev->hw_attrs.max_done_count) {
3215 ret_code = -ETIMEDOUT;
3216 goto err;
3217 }
3218 udelay(cqp->dev->hw_attrs.max_sleep_count);
3219 val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]);
3220 } while (!val);
3221
3222 if (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_ERR)) {
3223 ret_code = -EOPNOTSUPP;
3224 goto err;
3225 }
3226
3227 cqp->process_cqp_sds = irdma_update_sds_noccq;
3228 return 0;
3229
3230 err:
3231 dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size,
3232 cqp->sdbuf.va, cqp->sdbuf.pa);
3233 cqp->sdbuf.va = NULL;
3234 err_code = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]);
3235 *min_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MINOR_CODE, err_code);
3236 *maj_err = FIELD_GET(IRDMA_CQPERRCODES_CQP_MAJOR_CODE, err_code);
3237 return ret_code;
3238 }
3239
3240 /**
3241 * irdma_sc_cqp_post_sq - post of cqp's sq
3242 * @cqp: struct for cqp hw
3243 */
irdma_sc_cqp_post_sq(struct irdma_sc_cqp * cqp)3244 void irdma_sc_cqp_post_sq(struct irdma_sc_cqp *cqp)
3245 {
3246 writel(IRDMA_RING_CURRENT_HEAD(cqp->sq_ring), cqp->dev->cqp_db);
3247
3248 ibdev_dbg(to_ibdev(cqp->dev),
3249 "WQE: CQP SQ head 0x%x tail 0x%x size 0x%x\n",
3250 cqp->sq_ring.head, cqp->sq_ring.tail, cqp->sq_ring.size);
3251 }
3252
3253 /**
3254 * irdma_sc_cqp_get_next_send_wqe_idx - get next wqe on cqp sq
3255 * and pass back index
3256 * @cqp: CQP HW structure
3257 * @scratch: private data for CQP WQE
3258 * @wqe_idx: WQE index of CQP SQ
3259 */
irdma_sc_cqp_get_next_send_wqe_idx(struct irdma_sc_cqp * cqp,u64 scratch,u32 * wqe_idx)3260 __le64 *irdma_sc_cqp_get_next_send_wqe_idx(struct irdma_sc_cqp *cqp, u64 scratch,
3261 u32 *wqe_idx)
3262 {
3263 __le64 *wqe = NULL;
3264 int ret_code;
3265
3266 if (IRDMA_RING_FULL_ERR(cqp->sq_ring)) {
3267 ibdev_dbg(to_ibdev(cqp->dev),
3268 "WQE: CQP SQ is full, head 0x%x tail 0x%x size 0x%x\n",
3269 cqp->sq_ring.head, cqp->sq_ring.tail,
3270 cqp->sq_ring.size);
3271 return NULL;
3272 }
3273 IRDMA_ATOMIC_RING_MOVE_HEAD(cqp->sq_ring, *wqe_idx, ret_code);
3274 if (ret_code)
3275 return NULL;
3276
3277 cqp->requested_ops++;
3278 if (!*wqe_idx)
3279 cqp->polarity = !cqp->polarity;
3280 wqe = cqp->sq_base[*wqe_idx].elem;
3281 cqp->scratch_array[*wqe_idx] = scratch;
3282 IRDMA_CQP_INIT_WQE(wqe);
3283
3284 return wqe;
3285 }
3286
3287 /**
3288 * irdma_sc_cqp_destroy - destroy cqp during close
3289 * @cqp: struct for cqp hw
3290 */
irdma_sc_cqp_destroy(struct irdma_sc_cqp * cqp)3291 int irdma_sc_cqp_destroy(struct irdma_sc_cqp *cqp)
3292 {
3293 u32 cnt = 0, val;
3294 int ret_code = 0;
3295
3296 writel(0, cqp->dev->hw_regs[IRDMA_CCQPHIGH]);
3297 writel(0, cqp->dev->hw_regs[IRDMA_CCQPLOW]);
3298 do {
3299 if (cnt++ > cqp->dev->hw_attrs.max_done_count) {
3300 ret_code = -ETIMEDOUT;
3301 break;
3302 }
3303 udelay(cqp->dev->hw_attrs.max_sleep_count);
3304 val = readl(cqp->dev->hw_regs[IRDMA_CCQPSTATUS]);
3305 } while (FLD_RS_32(cqp->dev, val, IRDMA_CCQPSTATUS_CCQP_DONE));
3306
3307 dma_free_coherent(cqp->dev->hw->device, cqp->sdbuf.size,
3308 cqp->sdbuf.va, cqp->sdbuf.pa);
3309 cqp->sdbuf.va = NULL;
3310 return ret_code;
3311 }
3312
3313 /**
3314 * irdma_sc_ccq_arm - enable intr for control cq
3315 * @ccq: ccq sc struct
3316 */
irdma_sc_ccq_arm(struct irdma_sc_cq * ccq)3317 void irdma_sc_ccq_arm(struct irdma_sc_cq *ccq)
3318 {
3319 u64 temp_val;
3320 u16 sw_cq_sel;
3321 u8 arm_next_se;
3322 u8 arm_seq_num;
3323
3324 get_64bit_val(ccq->cq_uk.shadow_area, 32, &temp_val);
3325 sw_cq_sel = (u16)FIELD_GET(IRDMA_CQ_DBSA_SW_CQ_SELECT, temp_val);
3326 arm_next_se = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_NEXT_SE, temp_val);
3327 arm_seq_num = (u8)FIELD_GET(IRDMA_CQ_DBSA_ARM_SEQ_NUM, temp_val);
3328 arm_seq_num++;
3329 temp_val = FIELD_PREP(IRDMA_CQ_DBSA_ARM_SEQ_NUM, arm_seq_num) |
3330 FIELD_PREP(IRDMA_CQ_DBSA_SW_CQ_SELECT, sw_cq_sel) |
3331 FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT_SE, arm_next_se) |
3332 FIELD_PREP(IRDMA_CQ_DBSA_ARM_NEXT, 1);
3333 set_64bit_val(ccq->cq_uk.shadow_area, 32, temp_val);
3334
3335 dma_wmb(); /* make sure shadow area is updated before arming */
3336
3337 writel(ccq->cq_uk.cq_id, ccq->dev->cq_arm_db);
3338 }
3339
3340 /**
3341 * irdma_sc_ccq_get_cqe_info - get ccq's cq entry
3342 * @ccq: ccq sc struct
3343 * @info: completion q entry to return
3344 */
irdma_sc_ccq_get_cqe_info(struct irdma_sc_cq * ccq,struct irdma_ccq_cqe_info * info)3345 int irdma_sc_ccq_get_cqe_info(struct irdma_sc_cq *ccq,
3346 struct irdma_ccq_cqe_info *info)
3347 {
3348 u64 qp_ctx, temp, temp1;
3349 __le64 *cqe;
3350 struct irdma_sc_cqp *cqp;
3351 u32 wqe_idx;
3352 u32 error;
3353 u8 polarity;
3354 int ret_code = 0;
3355
3356 if (ccq->cq_uk.avoid_mem_cflct)
3357 cqe = IRDMA_GET_CURRENT_EXTENDED_CQ_ELEM(&ccq->cq_uk);
3358 else
3359 cqe = IRDMA_GET_CURRENT_CQ_ELEM(&ccq->cq_uk);
3360
3361 get_64bit_val(cqe, 24, &temp);
3362 polarity = (u8)FIELD_GET(IRDMA_CQ_VALID, temp);
3363 if (polarity != ccq->cq_uk.polarity)
3364 return -ENOENT;
3365
3366 /* Ensure CEQE contents are read after valid bit is checked */
3367 dma_rmb();
3368
3369 get_64bit_val(cqe, 8, &qp_ctx);
3370 cqp = (struct irdma_sc_cqp *)(unsigned long)qp_ctx;
3371 info->error = (bool)FIELD_GET(IRDMA_CQ_ERROR, temp);
3372 info->maj_err_code = IRDMA_CQPSQ_MAJ_NO_ERROR;
3373 info->min_err_code = (u16)FIELD_GET(IRDMA_CQ_MINERR, temp);
3374 if (info->error) {
3375 info->maj_err_code = (u16)FIELD_GET(IRDMA_CQ_MAJERR, temp);
3376 error = readl(cqp->dev->hw_regs[IRDMA_CQPERRCODES]);
3377 ibdev_dbg(to_ibdev(cqp->dev),
3378 "CQP: CQPERRCODES error_code[x%08X]\n", error);
3379 }
3380
3381 wqe_idx = (u32)FIELD_GET(IRDMA_CQ_WQEIDX, temp);
3382 info->scratch = cqp->scratch_array[wqe_idx];
3383
3384 get_64bit_val(cqe, 16, &temp1);
3385 info->op_ret_val = (u32)FIELD_GET(IRDMA_CCQ_OPRETVAL, temp1);
3386 get_64bit_val(cqp->sq_base[wqe_idx].elem, 24, &temp1);
3387 info->op_code = (u8)FIELD_GET(IRDMA_CQPSQ_OPCODE, temp1);
3388 info->cqp = cqp;
3389
3390 /* move the head for cq */
3391 IRDMA_RING_MOVE_HEAD(ccq->cq_uk.cq_ring, ret_code);
3392 if (!IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring))
3393 ccq->cq_uk.polarity ^= 1;
3394
3395 /* update cq tail in cq shadow memory also */
3396 IRDMA_RING_MOVE_TAIL(ccq->cq_uk.cq_ring);
3397 set_64bit_val(ccq->cq_uk.shadow_area, 0,
3398 IRDMA_RING_CURRENT_HEAD(ccq->cq_uk.cq_ring));
3399
3400 dma_wmb(); /* make sure shadow area is updated before moving tail */
3401
3402 IRDMA_RING_MOVE_TAIL(cqp->sq_ring);
3403 atomic64_inc(&cqp->completed_ops);
3404
3405 return ret_code;
3406 }
3407
3408 /**
3409 * irdma_sc_poll_for_cqp_op_done - Waits for last write to complete in CQP SQ
3410 * @cqp: struct for cqp hw
3411 * @op_code: cqp opcode for completion
3412 * @compl_info: completion q entry to return
3413 */
irdma_sc_poll_for_cqp_op_done(struct irdma_sc_cqp * cqp,u8 op_code,struct irdma_ccq_cqe_info * compl_info)3414 int irdma_sc_poll_for_cqp_op_done(struct irdma_sc_cqp *cqp, u8 op_code,
3415 struct irdma_ccq_cqe_info *compl_info)
3416 {
3417 struct irdma_ccq_cqe_info info = {};
3418 struct irdma_sc_cq *ccq;
3419 int ret_code = 0;
3420 u32 cnt = 0;
3421
3422 ccq = cqp->dev->ccq;
3423 while (1) {
3424 if (cnt++ > 100 * cqp->dev->hw_attrs.max_done_count)
3425 return -ETIMEDOUT;
3426
3427 if (irdma_sc_ccq_get_cqe_info(ccq, &info)) {
3428 udelay(cqp->dev->hw_attrs.max_sleep_count);
3429 continue;
3430 }
3431 if (info.error && info.op_code != IRDMA_CQP_OP_QUERY_STAG) {
3432 ret_code = -EIO;
3433 break;
3434 }
3435 /* make sure op code matches*/
3436 if (op_code == info.op_code)
3437 break;
3438 ibdev_dbg(to_ibdev(cqp->dev),
3439 "WQE: opcode mismatch for my op code 0x%x, returned opcode %x\n",
3440 op_code, info.op_code);
3441 }
3442
3443 if (compl_info)
3444 memcpy(compl_info, &info, sizeof(*compl_info));
3445
3446 return ret_code;
3447 }
3448
3449 /**
3450 * irdma_sc_manage_hmc_pm_func_table - manage of function table
3451 * @cqp: struct for cqp hw
3452 * @scratch: u64 saved to be used during cqp completion
3453 * @info: info for the manage function table operation
3454 * @post_sq: flag for cqp db to ring
3455 */
irdma_sc_manage_hmc_pm_func_table(struct irdma_sc_cqp * cqp,struct irdma_hmc_fcn_info * info,u64 scratch,bool post_sq)3456 static int irdma_sc_manage_hmc_pm_func_table(struct irdma_sc_cqp *cqp,
3457 struct irdma_hmc_fcn_info *info,
3458 u64 scratch, bool post_sq)
3459 {
3460 __le64 *wqe;
3461 u64 hdr;
3462
3463 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
3464 if (!wqe)
3465 return -ENOMEM;
3466
3467 set_64bit_val(wqe, 0, 0);
3468 set_64bit_val(wqe, 8, 0);
3469 set_64bit_val(wqe, 16, 0);
3470 set_64bit_val(wqe, 32, 0);
3471 set_64bit_val(wqe, 40, 0);
3472 set_64bit_val(wqe, 48, 0);
3473 set_64bit_val(wqe, 56, 0);
3474
3475 hdr = FIELD_PREP(IRDMA_CQPSQ_MHMC_VFIDX, info->vf_id) |
3476 FIELD_PREP(IRDMA_CQPSQ_OPCODE,
3477 IRDMA_CQP_OP_MANAGE_HMC_PM_FUNC_TABLE) |
3478 FIELD_PREP(IRDMA_CQPSQ_MHMC_FREEPMFN, info->free_fcn) |
3479 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
3480 dma_wmb(); /* make sure WQE is written before valid bit is set */
3481
3482 set_64bit_val(wqe, 24, hdr);
3483
3484 print_hex_dump_debug("WQE: MANAGE_HMC_PM_FUNC_TABLE WQE",
3485 DUMP_PREFIX_OFFSET, 16, 8, wqe,
3486 IRDMA_CQP_WQE_SIZE * 8, false);
3487 if (post_sq)
3488 irdma_sc_cqp_post_sq(cqp);
3489
3490 return 0;
3491 }
3492
3493 /**
3494 * irdma_sc_commit_fpm_val_done - wait for cqp eqe completion
3495 * for fpm commit
3496 * @cqp: struct for cqp hw
3497 */
irdma_sc_commit_fpm_val_done(struct irdma_sc_cqp * cqp)3498 static int irdma_sc_commit_fpm_val_done(struct irdma_sc_cqp *cqp)
3499 {
3500 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_COMMIT_FPM_VAL,
3501 NULL);
3502 }
3503
3504 /**
3505 * irdma_sc_commit_fpm_val - cqp wqe for commit fpm values
3506 * @cqp: struct for cqp hw
3507 * @scratch: u64 saved to be used during cqp completion
3508 * @hmc_fn_id: hmc function id
3509 * @commit_fpm_mem: Memory for fpm values
3510 * @post_sq: flag for cqp db to ring
3511 * @wait_type: poll ccq or cqp registers for cqp completion
3512 */
irdma_sc_commit_fpm_val(struct irdma_sc_cqp * cqp,u64 scratch,u8 hmc_fn_id,struct irdma_dma_mem * commit_fpm_mem,bool post_sq,u8 wait_type)3513 static int irdma_sc_commit_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch,
3514 u8 hmc_fn_id,
3515 struct irdma_dma_mem *commit_fpm_mem,
3516 bool post_sq, u8 wait_type)
3517 {
3518 __le64 *wqe;
3519 u64 hdr;
3520 u32 tail, val, error;
3521 int ret_code = 0;
3522
3523 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
3524 if (!wqe)
3525 return -ENOMEM;
3526
3527 set_64bit_val(wqe, 16, hmc_fn_id);
3528 set_64bit_val(wqe, 32, commit_fpm_mem->pa);
3529
3530 hdr = FIELD_PREP(IRDMA_CQPSQ_BUFSIZE, IRDMA_COMMIT_FPM_BUF_SIZE) |
3531 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_COMMIT_FPM_VAL) |
3532 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
3533
3534 dma_wmb(); /* make sure WQE is written before valid bit is set */
3535
3536 set_64bit_val(wqe, 24, hdr);
3537
3538 print_hex_dump_debug("WQE: COMMIT_FPM_VAL WQE", DUMP_PREFIX_OFFSET,
3539 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
3540 irdma_get_cqp_reg_info(cqp, &val, &tail, &error);
3541
3542 if (post_sq) {
3543 irdma_sc_cqp_post_sq(cqp);
3544 if (wait_type == IRDMA_CQP_WAIT_POLL_REGS)
3545 ret_code = irdma_cqp_poll_registers(cqp, tail,
3546 cqp->dev->hw_attrs.max_done_count);
3547 else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ)
3548 ret_code = irdma_sc_commit_fpm_val_done(cqp);
3549 }
3550
3551 return ret_code;
3552 }
3553
3554 /**
3555 * irdma_sc_query_fpm_val_done - poll for cqp wqe completion for
3556 * query fpm
3557 * @cqp: struct for cqp hw
3558 */
irdma_sc_query_fpm_val_done(struct irdma_sc_cqp * cqp)3559 static int irdma_sc_query_fpm_val_done(struct irdma_sc_cqp *cqp)
3560 {
3561 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_QUERY_FPM_VAL,
3562 NULL);
3563 }
3564
3565 /**
3566 * irdma_sc_query_fpm_val - cqp wqe query fpm values
3567 * @cqp: struct for cqp hw
3568 * @scratch: u64 saved to be used during cqp completion
3569 * @hmc_fn_id: hmc function id
3570 * @query_fpm_mem: memory for return fpm values
3571 * @post_sq: flag for cqp db to ring
3572 * @wait_type: poll ccq or cqp registers for cqp completion
3573 */
irdma_sc_query_fpm_val(struct irdma_sc_cqp * cqp,u64 scratch,u8 hmc_fn_id,struct irdma_dma_mem * query_fpm_mem,bool post_sq,u8 wait_type)3574 static int irdma_sc_query_fpm_val(struct irdma_sc_cqp *cqp, u64 scratch,
3575 u8 hmc_fn_id,
3576 struct irdma_dma_mem *query_fpm_mem,
3577 bool post_sq, u8 wait_type)
3578 {
3579 __le64 *wqe;
3580 u64 hdr;
3581 u32 tail, val, error;
3582 int ret_code = 0;
3583
3584 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
3585 if (!wqe)
3586 return -ENOMEM;
3587
3588 set_64bit_val(wqe, 16, hmc_fn_id);
3589 set_64bit_val(wqe, 32, query_fpm_mem->pa);
3590
3591 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_QUERY_FPM_VAL) |
3592 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
3593 dma_wmb(); /* make sure WQE is written before valid bit is set */
3594
3595 set_64bit_val(wqe, 24, hdr);
3596
3597 print_hex_dump_debug("WQE: QUERY_FPM WQE", DUMP_PREFIX_OFFSET, 16, 8,
3598 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
3599 irdma_get_cqp_reg_info(cqp, &val, &tail, &error);
3600
3601 if (post_sq) {
3602 irdma_sc_cqp_post_sq(cqp);
3603 if (wait_type == IRDMA_CQP_WAIT_POLL_REGS)
3604 ret_code = irdma_cqp_poll_registers(cqp, tail,
3605 cqp->dev->hw_attrs.max_done_count);
3606 else if (wait_type == IRDMA_CQP_WAIT_POLL_CQ)
3607 ret_code = irdma_sc_query_fpm_val_done(cqp);
3608 }
3609
3610 return ret_code;
3611 }
3612
3613 /**
3614 * irdma_sc_ceq_init - initialize ceq
3615 * @ceq: ceq sc structure
3616 * @info: ceq initialization info
3617 */
irdma_sc_ceq_init(struct irdma_sc_ceq * ceq,struct irdma_ceq_init_info * info)3618 int irdma_sc_ceq_init(struct irdma_sc_ceq *ceq,
3619 struct irdma_ceq_init_info *info)
3620 {
3621 u32 pble_obj_cnt;
3622
3623 if (info->elem_cnt < info->dev->hw_attrs.min_hw_ceq_size ||
3624 info->elem_cnt > info->dev->hw_attrs.max_hw_ceq_size)
3625 return -EINVAL;
3626
3627 if (info->ceq_id >= info->dev->hmc_fpm_misc.max_ceqs)
3628 return -EINVAL;
3629 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
3630
3631 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
3632 return -EINVAL;
3633
3634 ceq->size = sizeof(*ceq);
3635 ceq->ceqe_base = (struct irdma_ceqe *)info->ceqe_base;
3636 ceq->ceq_id = info->ceq_id;
3637 ceq->dev = info->dev;
3638 ceq->elem_cnt = info->elem_cnt;
3639 ceq->ceq_elem_pa = info->ceqe_pa;
3640 ceq->virtual_map = info->virtual_map;
3641 ceq->itr_no_expire = info->itr_no_expire;
3642 ceq->reg_cq = info->reg_cq;
3643 ceq->reg_cq_size = 0;
3644 spin_lock_init(&ceq->req_cq_lock);
3645 ceq->pbl_chunk_size = (ceq->virtual_map ? info->pbl_chunk_size : 0);
3646 ceq->first_pm_pbl_idx = (ceq->virtual_map ? info->first_pm_pbl_idx : 0);
3647 ceq->pbl_list = (ceq->virtual_map ? info->pbl_list : NULL);
3648 ceq->tph_en = info->tph_en;
3649 ceq->tph_val = info->tph_val;
3650 ceq->vsi = info->vsi;
3651 ceq->polarity = 1;
3652 IRDMA_RING_INIT(ceq->ceq_ring, ceq->elem_cnt);
3653 ceq->dev->ceq[info->ceq_id] = ceq;
3654
3655 return 0;
3656 }
3657
3658 /**
3659 * irdma_sc_ceq_create - create ceq wqe
3660 * @ceq: ceq sc structure
3661 * @scratch: u64 saved to be used during cqp completion
3662 * @post_sq: flag for cqp db to ring
3663 */
3664
irdma_sc_ceq_create(struct irdma_sc_ceq * ceq,u64 scratch,bool post_sq)3665 static int irdma_sc_ceq_create(struct irdma_sc_ceq *ceq, u64 scratch,
3666 bool post_sq)
3667 {
3668 struct irdma_sc_cqp *cqp;
3669 __le64 *wqe;
3670 u64 hdr;
3671
3672 cqp = ceq->dev->cqp;
3673 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
3674 if (!wqe)
3675 return -ENOMEM;
3676 set_64bit_val(wqe, 16, ceq->elem_cnt);
3677 set_64bit_val(wqe, 32,
3678 (ceq->virtual_map ? 0 : ceq->ceq_elem_pa));
3679 set_64bit_val(wqe, 48,
3680 (ceq->virtual_map ? ceq->first_pm_pbl_idx : 0));
3681 set_64bit_val(wqe, 56,
3682 FIELD_PREP(IRDMA_CQPSQ_TPHVAL, ceq->tph_val) |
3683 FIELD_PREP(IRDMA_CQPSQ_VSIIDX, ceq->vsi->vsi_idx));
3684 hdr = FIELD_PREP(IRDMA_CQPSQ_CEQ_CEQID, ceq->ceq_id) |
3685 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_CEQ) |
3686 FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) |
3687 FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) |
3688 FIELD_PREP(IRDMA_CQPSQ_CEQ_ITRNOEXPIRE, ceq->itr_no_expire) |
3689 FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) |
3690 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
3691 dma_wmb(); /* make sure WQE is written before valid bit is set */
3692
3693 set_64bit_val(wqe, 24, hdr);
3694
3695 print_hex_dump_debug("WQE: CEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
3696 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
3697 if (post_sq)
3698 irdma_sc_cqp_post_sq(cqp);
3699
3700 return 0;
3701 }
3702
3703 /**
3704 * irdma_sc_cceq_create_done - poll for control ceq wqe to complete
3705 * @ceq: ceq sc structure
3706 */
irdma_sc_cceq_create_done(struct irdma_sc_ceq * ceq)3707 static int irdma_sc_cceq_create_done(struct irdma_sc_ceq *ceq)
3708 {
3709 struct irdma_sc_cqp *cqp;
3710
3711 cqp = ceq->dev->cqp;
3712 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CEQ,
3713 NULL);
3714 }
3715
3716 /**
3717 * irdma_sc_cceq_destroy_done - poll for destroy cceq to complete
3718 * @ceq: ceq sc structure
3719 */
irdma_sc_cceq_destroy_done(struct irdma_sc_ceq * ceq)3720 int irdma_sc_cceq_destroy_done(struct irdma_sc_ceq *ceq)
3721 {
3722 struct irdma_sc_cqp *cqp;
3723
3724 if (ceq->reg_cq)
3725 irdma_sc_remove_cq_ctx(ceq, ceq->dev->ccq);
3726
3727 cqp = ceq->dev->cqp;
3728 cqp->process_cqp_sds = irdma_update_sds_noccq;
3729
3730 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_DESTROY_CEQ,
3731 NULL);
3732 }
3733
3734 /**
3735 * irdma_sc_cceq_create - create cceq
3736 * @ceq: ceq sc structure
3737 * @scratch: u64 saved to be used during cqp completion
3738 */
irdma_sc_cceq_create(struct irdma_sc_ceq * ceq,u64 scratch)3739 int irdma_sc_cceq_create(struct irdma_sc_ceq *ceq, u64 scratch)
3740 {
3741 int ret_code;
3742 struct irdma_sc_dev *dev = ceq->dev;
3743
3744 dev->ccq->vsi = ceq->vsi;
3745 if (ceq->reg_cq) {
3746 ret_code = irdma_sc_add_cq_ctx(ceq, ceq->dev->ccq);
3747 if (ret_code)
3748 return ret_code;
3749 }
3750
3751 ret_code = irdma_sc_ceq_create(ceq, scratch, true);
3752 if (!ret_code)
3753 return irdma_sc_cceq_create_done(ceq);
3754
3755 return ret_code;
3756 }
3757
3758 /**
3759 * irdma_sc_ceq_destroy - destroy ceq
3760 * @ceq: ceq sc structure
3761 * @scratch: u64 saved to be used during cqp completion
3762 * @post_sq: flag for cqp db to ring
3763 */
irdma_sc_ceq_destroy(struct irdma_sc_ceq * ceq,u64 scratch,bool post_sq)3764 int irdma_sc_ceq_destroy(struct irdma_sc_ceq *ceq, u64 scratch, bool post_sq)
3765 {
3766 struct irdma_sc_cqp *cqp;
3767 __le64 *wqe;
3768 u64 hdr;
3769
3770 cqp = ceq->dev->cqp;
3771 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
3772 if (!wqe)
3773 return -ENOMEM;
3774
3775 set_64bit_val(wqe, 16, ceq->elem_cnt);
3776 set_64bit_val(wqe, 48, ceq->first_pm_pbl_idx);
3777 hdr = ceq->ceq_id |
3778 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CEQ) |
3779 FIELD_PREP(IRDMA_CQPSQ_CEQ_LPBLSIZE, ceq->pbl_chunk_size) |
3780 FIELD_PREP(IRDMA_CQPSQ_CEQ_VMAP, ceq->virtual_map) |
3781 FIELD_PREP(IRDMA_CQPSQ_TPHEN, ceq->tph_en) |
3782 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
3783 dma_wmb(); /* make sure WQE is written before valid bit is set */
3784
3785 set_64bit_val(wqe, 24, hdr);
3786
3787 print_hex_dump_debug("WQE: CEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16,
3788 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
3789 if (post_sq)
3790 irdma_sc_cqp_post_sq(cqp);
3791
3792 return 0;
3793 }
3794
3795 /**
3796 * irdma_sc_process_ceq - process ceq
3797 * @dev: sc device struct
3798 * @ceq: ceq sc structure
3799 *
3800 * It is expected caller serializes this function with cleanup_ceqes()
3801 * because these functions manipulate the same ceq
3802 */
irdma_sc_process_ceq(struct irdma_sc_dev * dev,struct irdma_sc_ceq * ceq)3803 void *irdma_sc_process_ceq(struct irdma_sc_dev *dev, struct irdma_sc_ceq *ceq)
3804 {
3805 u64 temp;
3806 __le64 *ceqe;
3807 struct irdma_sc_cq *cq = NULL;
3808 struct irdma_sc_cq *temp_cq;
3809 u8 polarity;
3810 u32 cq_idx;
3811 unsigned long flags;
3812
3813 do {
3814 cq_idx = 0;
3815 ceqe = IRDMA_GET_CURRENT_CEQ_ELEM(ceq);
3816 get_64bit_val(ceqe, 0, &temp);
3817 polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp);
3818 if (polarity != ceq->polarity)
3819 return NULL;
3820
3821 temp_cq = (struct irdma_sc_cq *)(unsigned long)(temp << 1);
3822 if (!temp_cq) {
3823 cq_idx = IRDMA_INVALID_CQ_IDX;
3824 IRDMA_RING_MOVE_TAIL(ceq->ceq_ring);
3825
3826 if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring))
3827 ceq->polarity ^= 1;
3828 continue;
3829 }
3830
3831 cq = temp_cq;
3832 if (ceq->reg_cq) {
3833 spin_lock_irqsave(&ceq->req_cq_lock, flags);
3834 cq_idx = irdma_sc_find_reg_cq(ceq, cq);
3835 spin_unlock_irqrestore(&ceq->req_cq_lock, flags);
3836 }
3837
3838 IRDMA_RING_MOVE_TAIL(ceq->ceq_ring);
3839 if (!IRDMA_RING_CURRENT_TAIL(ceq->ceq_ring))
3840 ceq->polarity ^= 1;
3841 } while (cq_idx == IRDMA_INVALID_CQ_IDX);
3842
3843 if (cq)
3844 irdma_sc_cq_ack(cq);
3845 return cq;
3846 }
3847
3848 /**
3849 * irdma_sc_cleanup_ceqes - clear the valid ceqes ctx matching the cq
3850 * @cq: cq for which the ceqes need to be cleaned up
3851 * @ceq: ceq ptr
3852 *
3853 * The function is called after the cq is destroyed to cleanup
3854 * its pending ceqe entries. It is expected caller serializes this
3855 * function with process_ceq() in interrupt context.
3856 */
irdma_sc_cleanup_ceqes(struct irdma_sc_cq * cq,struct irdma_sc_ceq * ceq)3857 void irdma_sc_cleanup_ceqes(struct irdma_sc_cq *cq, struct irdma_sc_ceq *ceq)
3858 {
3859 struct irdma_sc_cq *next_cq;
3860 u8 ceq_polarity = ceq->polarity;
3861 __le64 *ceqe;
3862 u8 polarity;
3863 u64 temp;
3864 int next;
3865 u32 i;
3866
3867 next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, 0);
3868
3869 for (i = 1; i <= IRDMA_RING_SIZE(*ceq); i++) {
3870 ceqe = IRDMA_GET_CEQ_ELEM_AT_POS(ceq, next);
3871
3872 get_64bit_val(ceqe, 0, &temp);
3873 polarity = (u8)FIELD_GET(IRDMA_CEQE_VALID, temp);
3874 if (polarity != ceq_polarity)
3875 return;
3876
3877 next_cq = (struct irdma_sc_cq *)(unsigned long)(temp << 1);
3878 if (cq == next_cq)
3879 set_64bit_val(ceqe, 0, temp & IRDMA_CEQE_VALID);
3880
3881 next = IRDMA_RING_GET_NEXT_TAIL(ceq->ceq_ring, i);
3882 if (!next)
3883 ceq_polarity ^= 1;
3884 }
3885 }
3886
3887 /**
3888 * irdma_sc_aeq_init - initialize aeq
3889 * @aeq: aeq structure ptr
3890 * @info: aeq initialization info
3891 */
irdma_sc_aeq_init(struct irdma_sc_aeq * aeq,struct irdma_aeq_init_info * info)3892 int irdma_sc_aeq_init(struct irdma_sc_aeq *aeq,
3893 struct irdma_aeq_init_info *info)
3894 {
3895 u32 pble_obj_cnt;
3896
3897 if (info->elem_cnt < info->dev->hw_attrs.min_hw_aeq_size ||
3898 info->elem_cnt > info->dev->hw_attrs.max_hw_aeq_size)
3899 return -EINVAL;
3900
3901 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
3902
3903 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
3904 return -EINVAL;
3905
3906 aeq->size = sizeof(*aeq);
3907 aeq->polarity = 1;
3908 aeq->aeqe_base = (struct irdma_sc_aeqe *)info->aeqe_base;
3909 aeq->dev = info->dev;
3910 aeq->elem_cnt = info->elem_cnt;
3911 aeq->aeq_elem_pa = info->aeq_elem_pa;
3912 IRDMA_RING_INIT(aeq->aeq_ring, aeq->elem_cnt);
3913 aeq->virtual_map = info->virtual_map;
3914 aeq->pbl_list = (aeq->virtual_map ? info->pbl_list : NULL);
3915 aeq->pbl_chunk_size = (aeq->virtual_map ? info->pbl_chunk_size : 0);
3916 aeq->first_pm_pbl_idx = (aeq->virtual_map ? info->first_pm_pbl_idx : 0);
3917 aeq->msix_idx = info->msix_idx;
3918 info->dev->aeq = aeq;
3919
3920 return 0;
3921 }
3922
3923 /**
3924 * irdma_sc_aeq_create - create aeq
3925 * @aeq: aeq structure ptr
3926 * @scratch: u64 saved to be used during cqp completion
3927 * @post_sq: flag for cqp db to ring
3928 */
irdma_sc_aeq_create(struct irdma_sc_aeq * aeq,u64 scratch,bool post_sq)3929 static int irdma_sc_aeq_create(struct irdma_sc_aeq *aeq, u64 scratch,
3930 bool post_sq)
3931 {
3932 __le64 *wqe;
3933 struct irdma_sc_cqp *cqp;
3934 u64 hdr;
3935
3936 cqp = aeq->dev->cqp;
3937 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
3938 if (!wqe)
3939 return -ENOMEM;
3940 set_64bit_val(wqe, 16, aeq->elem_cnt);
3941 set_64bit_val(wqe, 32,
3942 (aeq->virtual_map ? 0 : aeq->aeq_elem_pa));
3943 set_64bit_val(wqe, 48,
3944 (aeq->virtual_map ? aeq->first_pm_pbl_idx : 0));
3945
3946 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_CREATE_AEQ) |
3947 FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) |
3948 FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) |
3949 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
3950 dma_wmb(); /* make sure WQE is written before valid bit is set */
3951
3952 set_64bit_val(wqe, 24, hdr);
3953
3954 print_hex_dump_debug("WQE: AEQ_CREATE WQE", DUMP_PREFIX_OFFSET, 16, 8,
3955 wqe, IRDMA_CQP_WQE_SIZE * 8, false);
3956 if (post_sq)
3957 irdma_sc_cqp_post_sq(cqp);
3958
3959 return 0;
3960 }
3961
3962 /**
3963 * irdma_sc_aeq_destroy - destroy aeq during close
3964 * @aeq: aeq structure ptr
3965 * @scratch: u64 saved to be used during cqp completion
3966 * @post_sq: flag for cqp db to ring
3967 */
irdma_sc_aeq_destroy(struct irdma_sc_aeq * aeq,u64 scratch,bool post_sq)3968 static int irdma_sc_aeq_destroy(struct irdma_sc_aeq *aeq, u64 scratch,
3969 bool post_sq)
3970 {
3971 __le64 *wqe;
3972 struct irdma_sc_cqp *cqp;
3973 struct irdma_sc_dev *dev;
3974 u64 hdr;
3975
3976 dev = aeq->dev;
3977 writel(0, dev->hw_regs[IRDMA_PFINT_AEQCTL]);
3978
3979 cqp = dev->cqp;
3980 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
3981 if (!wqe)
3982 return -ENOMEM;
3983 set_64bit_val(wqe, 16, aeq->elem_cnt);
3984 set_64bit_val(wqe, 48, aeq->first_pm_pbl_idx);
3985 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_AEQ) |
3986 FIELD_PREP(IRDMA_CQPSQ_AEQ_LPBLSIZE, aeq->pbl_chunk_size) |
3987 FIELD_PREP(IRDMA_CQPSQ_AEQ_VMAP, aeq->virtual_map) |
3988 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
3989 dma_wmb(); /* make sure WQE is written before valid bit is set */
3990
3991 set_64bit_val(wqe, 24, hdr);
3992
3993 print_hex_dump_debug("WQE: AEQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16,
3994 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
3995 if (post_sq)
3996 irdma_sc_cqp_post_sq(cqp);
3997 return 0;
3998 }
3999
4000 /**
4001 * irdma_sc_get_next_aeqe - get next aeq entry
4002 * @aeq: aeq structure ptr
4003 * @info: aeqe info to be returned
4004 */
irdma_sc_get_next_aeqe(struct irdma_sc_aeq * aeq,struct irdma_aeqe_info * info)4005 int irdma_sc_get_next_aeqe(struct irdma_sc_aeq *aeq,
4006 struct irdma_aeqe_info *info)
4007 {
4008 u64 temp, compl_ctx;
4009 __le64 *aeqe;
4010 u8 ae_src;
4011 u8 polarity;
4012
4013 aeqe = IRDMA_GET_CURRENT_AEQ_ELEM(aeq);
4014 get_64bit_val(aeqe, 8, &temp);
4015 polarity = (u8)FIELD_GET(IRDMA_AEQE_VALID, temp);
4016
4017 if (aeq->polarity != polarity)
4018 return -ENOENT;
4019
4020 /* Ensure AEQE contents are read after valid bit is checked */
4021 dma_rmb();
4022
4023 get_64bit_val(aeqe, 0, &compl_ctx);
4024
4025 print_hex_dump_debug("WQE: AEQ_ENTRY WQE", DUMP_PREFIX_OFFSET, 16, 8,
4026 aeqe, 16, false);
4027
4028 ae_src = (u8)FIELD_GET(IRDMA_AEQE_AESRC, temp);
4029 info->wqe_idx = (u16)FIELD_GET(IRDMA_AEQE_WQDESCIDX, temp);
4030 info->qp_cq_id = (u32)FIELD_GET(IRDMA_AEQE_QPCQID_LOW, temp) |
4031 ((u32)FIELD_GET(IRDMA_AEQE_QPCQID_HI, temp) << 18);
4032 info->ae_id = (u16)FIELD_GET(IRDMA_AEQE_AECODE, temp);
4033 info->tcp_state = (u8)FIELD_GET(IRDMA_AEQE_TCPSTATE, temp);
4034 info->iwarp_state = (u8)FIELD_GET(IRDMA_AEQE_IWSTATE, temp);
4035 info->q2_data_written = (u8)FIELD_GET(IRDMA_AEQE_Q2DATA, temp);
4036 info->aeqe_overflow = (bool)FIELD_GET(IRDMA_AEQE_OVERFLOW, temp);
4037
4038 info->ae_src = ae_src;
4039 switch (info->ae_id) {
4040 case IRDMA_AE_PRIV_OPERATION_DENIED:
4041 case IRDMA_AE_AMP_INVALIDATE_TYPE1_MW:
4042 case IRDMA_AE_AMP_MWBIND_ZERO_BASED_TYPE1_MW:
4043 case IRDMA_AE_AMP_FASTREG_INVALID_PBL_HPS_CFG:
4044 case IRDMA_AE_AMP_FASTREG_PBLE_MISMATCH:
4045 case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG:
4046 case IRDMA_AE_UDA_XMIT_BAD_PD:
4047 case IRDMA_AE_UDA_XMIT_DGRAM_TOO_SHORT:
4048 case IRDMA_AE_BAD_CLOSE:
4049 case IRDMA_AE_RDMA_READ_WHILE_ORD_ZERO:
4050 case IRDMA_AE_STAG_ZERO_INVALID:
4051 case IRDMA_AE_IB_RREQ_AND_Q1_FULL:
4052 case IRDMA_AE_IB_INVALID_REQUEST:
4053 case IRDMA_AE_WQE_UNEXPECTED_OPCODE:
4054 case IRDMA_AE_IB_REMOTE_ACCESS_ERROR:
4055 case IRDMA_AE_IB_REMOTE_OP_ERROR:
4056 case IRDMA_AE_DDP_UBE_INVALID_DDP_VERSION:
4057 case IRDMA_AE_DDP_UBE_INVALID_MO:
4058 case IRDMA_AE_DDP_UBE_INVALID_QN:
4059 case IRDMA_AE_DDP_NO_L_BIT:
4060 case IRDMA_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
4061 case IRDMA_AE_RDMAP_ROE_UNEXPECTED_OPCODE:
4062 case IRDMA_AE_ROE_INVALID_RDMA_READ_REQUEST:
4063 case IRDMA_AE_ROE_INVALID_RDMA_WRITE_OR_READ_RESP:
4064 case IRDMA_AE_ROCE_RSP_LENGTH_ERROR:
4065 case IRDMA_AE_INVALID_ARP_ENTRY:
4066 case IRDMA_AE_INVALID_TCP_OPTION_RCVD:
4067 case IRDMA_AE_STALE_ARP_ENTRY:
4068 case IRDMA_AE_INVALID_AH_ENTRY:
4069 case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR:
4070 case IRDMA_AE_LLP_SEGMENT_TOO_SMALL:
4071 case IRDMA_AE_LLP_TOO_MANY_RETRIES:
4072 case IRDMA_AE_LLP_DOUBT_REACHABILITY:
4073 case IRDMA_AE_LLP_CONNECTION_ESTABLISHED:
4074 case IRDMA_AE_RESET_SENT:
4075 case IRDMA_AE_TERMINATE_SENT:
4076 case IRDMA_AE_RESET_NOT_SENT:
4077 case IRDMA_AE_LCE_QP_CATASTROPHIC:
4078 case IRDMA_AE_QP_SUSPEND_COMPLETE:
4079 case IRDMA_AE_UDA_L4LEN_INVALID:
4080 info->qp = true;
4081 info->compl_ctx = compl_ctx;
4082 break;
4083 case IRDMA_AE_LCE_CQ_CATASTROPHIC:
4084 info->cq = true;
4085 info->compl_ctx = compl_ctx << 1;
4086 ae_src = IRDMA_AE_SOURCE_RSVD;
4087 break;
4088 case IRDMA_AE_ROCE_EMPTY_MCG:
4089 case IRDMA_AE_ROCE_BAD_MC_IP_ADDR:
4090 case IRDMA_AE_ROCE_BAD_MC_QPID:
4091 case IRDMA_AE_MCG_QP_PROTOCOL_MISMATCH:
4092 fallthrough;
4093 case IRDMA_AE_LLP_CONNECTION_RESET:
4094 case IRDMA_AE_LLP_SYN_RECEIVED:
4095 case IRDMA_AE_LLP_FIN_RECEIVED:
4096 case IRDMA_AE_LLP_CLOSE_COMPLETE:
4097 case IRDMA_AE_LLP_TERMINATE_RECEIVED:
4098 case IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE:
4099 ae_src = IRDMA_AE_SOURCE_RSVD;
4100 info->qp = true;
4101 info->compl_ctx = compl_ctx;
4102 break;
4103 default:
4104 break;
4105 }
4106
4107 switch (ae_src) {
4108 case IRDMA_AE_SOURCE_RQ:
4109 case IRDMA_AE_SOURCE_RQ_0011:
4110 info->qp = true;
4111 info->rq = true;
4112 info->compl_ctx = compl_ctx;
4113 break;
4114 case IRDMA_AE_SOURCE_CQ:
4115 case IRDMA_AE_SOURCE_CQ_0110:
4116 case IRDMA_AE_SOURCE_CQ_1010:
4117 case IRDMA_AE_SOURCE_CQ_1110:
4118 info->cq = true;
4119 info->compl_ctx = compl_ctx << 1;
4120 break;
4121 case IRDMA_AE_SOURCE_SQ:
4122 case IRDMA_AE_SOURCE_SQ_0111:
4123 info->qp = true;
4124 info->sq = true;
4125 info->compl_ctx = compl_ctx;
4126 break;
4127 case IRDMA_AE_SOURCE_IN_RR_WR:
4128 case IRDMA_AE_SOURCE_IN_RR_WR_1011:
4129 info->qp = true;
4130 info->compl_ctx = compl_ctx;
4131 info->in_rdrsp_wr = true;
4132 break;
4133 case IRDMA_AE_SOURCE_OUT_RR:
4134 case IRDMA_AE_SOURCE_OUT_RR_1111:
4135 info->qp = true;
4136 info->compl_ctx = compl_ctx;
4137 info->out_rdrsp = true;
4138 break;
4139 case IRDMA_AE_SOURCE_RSVD:
4140 default:
4141 break;
4142 }
4143
4144 IRDMA_RING_MOVE_TAIL(aeq->aeq_ring);
4145 if (!IRDMA_RING_CURRENT_TAIL(aeq->aeq_ring))
4146 aeq->polarity ^= 1;
4147
4148 return 0;
4149 }
4150
4151 /**
4152 * irdma_sc_repost_aeq_entries - repost completed aeq entries
4153 * @dev: sc device struct
4154 * @count: allocate count
4155 */
irdma_sc_repost_aeq_entries(struct irdma_sc_dev * dev,u32 count)4156 void irdma_sc_repost_aeq_entries(struct irdma_sc_dev *dev, u32 count)
4157 {
4158 writel(count, dev->hw_regs[IRDMA_AEQALLOC]);
4159 }
4160
4161 /**
4162 * irdma_sc_ccq_init - initialize control cq
4163 * @cq: sc's cq ctruct
4164 * @info: info for control cq initialization
4165 */
irdma_sc_ccq_init(struct irdma_sc_cq * cq,struct irdma_ccq_init_info * info)4166 int irdma_sc_ccq_init(struct irdma_sc_cq *cq, struct irdma_ccq_init_info *info)
4167 {
4168 u32 pble_obj_cnt;
4169
4170 if (info->num_elem < info->dev->hw_attrs.uk_attrs.min_hw_cq_size ||
4171 info->num_elem > info->dev->hw_attrs.uk_attrs.max_hw_cq_size)
4172 return -EINVAL;
4173
4174 if (info->ceq_id >= info->dev->hmc_fpm_misc.max_ceqs)
4175 return -EINVAL;
4176
4177 pble_obj_cnt = info->dev->hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt;
4178
4179 if (info->virtual_map && info->first_pm_pbl_idx >= pble_obj_cnt)
4180 return -EINVAL;
4181
4182 cq->cq_pa = info->cq_pa;
4183 cq->cq_uk.cq_base = info->cq_base;
4184 cq->shadow_area_pa = info->shadow_area_pa;
4185 cq->cq_uk.shadow_area = info->shadow_area;
4186 cq->shadow_read_threshold = info->shadow_read_threshold;
4187 cq->dev = info->dev;
4188 cq->ceq_id = info->ceq_id;
4189 cq->cq_uk.cq_size = info->num_elem;
4190 cq->cq_type = IRDMA_CQ_TYPE_CQP;
4191 cq->ceqe_mask = info->ceqe_mask;
4192 IRDMA_RING_INIT(cq->cq_uk.cq_ring, info->num_elem);
4193 cq->cq_uk.cq_id = 0; /* control cq is id 0 always */
4194 cq->ceq_id_valid = info->ceq_id_valid;
4195 cq->tph_en = info->tph_en;
4196 cq->tph_val = info->tph_val;
4197 cq->cq_uk.avoid_mem_cflct = info->avoid_mem_cflct;
4198 cq->pbl_list = info->pbl_list;
4199 cq->virtual_map = info->virtual_map;
4200 cq->pbl_chunk_size = info->pbl_chunk_size;
4201 cq->first_pm_pbl_idx = info->first_pm_pbl_idx;
4202 cq->cq_uk.polarity = true;
4203 cq->vsi = info->vsi;
4204 cq->cq_uk.cq_ack_db = cq->dev->cq_ack_db;
4205
4206 /* Only applicable to CQs other than CCQ so initialize to zero */
4207 cq->cq_uk.cqe_alloc_db = NULL;
4208
4209 info->dev->ccq = cq;
4210 return 0;
4211 }
4212
4213 /**
4214 * irdma_sc_ccq_create_done - poll cqp for ccq create
4215 * @ccq: ccq sc struct
4216 */
irdma_sc_ccq_create_done(struct irdma_sc_cq * ccq)4217 static inline int irdma_sc_ccq_create_done(struct irdma_sc_cq *ccq)
4218 {
4219 struct irdma_sc_cqp *cqp;
4220
4221 cqp = ccq->dev->cqp;
4222
4223 return irdma_sc_poll_for_cqp_op_done(cqp, IRDMA_CQP_OP_CREATE_CQ, NULL);
4224 }
4225
4226 /**
4227 * irdma_sc_ccq_create - create control cq
4228 * @ccq: ccq sc struct
4229 * @scratch: u64 saved to be used during cqp completion
4230 * @check_overflow: overlow flag for ccq
4231 * @post_sq: flag for cqp db to ring
4232 */
irdma_sc_ccq_create(struct irdma_sc_cq * ccq,u64 scratch,bool check_overflow,bool post_sq)4233 int irdma_sc_ccq_create(struct irdma_sc_cq *ccq, u64 scratch,
4234 bool check_overflow, bool post_sq)
4235 {
4236 int ret_code;
4237
4238 ret_code = irdma_sc_cq_create(ccq, scratch, check_overflow, post_sq);
4239 if (ret_code)
4240 return ret_code;
4241
4242 if (post_sq) {
4243 ret_code = irdma_sc_ccq_create_done(ccq);
4244 if (ret_code)
4245 return ret_code;
4246 }
4247 ccq->dev->cqp->process_cqp_sds = irdma_cqp_sds_cmd;
4248
4249 return 0;
4250 }
4251
4252 /**
4253 * irdma_sc_ccq_destroy - destroy ccq during close
4254 * @ccq: ccq sc struct
4255 * @scratch: u64 saved to be used during cqp completion
4256 * @post_sq: flag for cqp db to ring
4257 */
irdma_sc_ccq_destroy(struct irdma_sc_cq * ccq,u64 scratch,bool post_sq)4258 int irdma_sc_ccq_destroy(struct irdma_sc_cq *ccq, u64 scratch, bool post_sq)
4259 {
4260 struct irdma_sc_cqp *cqp;
4261 __le64 *wqe;
4262 u64 hdr;
4263 int ret_code = 0;
4264 u32 tail, val, error;
4265
4266 cqp = ccq->dev->cqp;
4267 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
4268 if (!wqe)
4269 return -ENOMEM;
4270
4271 set_64bit_val(wqe, 0, ccq->cq_uk.cq_size);
4272 set_64bit_val(wqe, 8, (uintptr_t)ccq >> 1);
4273 set_64bit_val(wqe, 40, ccq->shadow_area_pa);
4274
4275 hdr = ccq->cq_uk.cq_id |
4276 FLD_LS_64(ccq->dev, (ccq->ceq_id_valid ? ccq->ceq_id : 0),
4277 IRDMA_CQPSQ_CQ_CEQID) |
4278 FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_DESTROY_CQ) |
4279 FIELD_PREP(IRDMA_CQPSQ_CQ_ENCEQEMASK, ccq->ceqe_mask) |
4280 FIELD_PREP(IRDMA_CQPSQ_CQ_CEQIDVALID, ccq->ceq_id_valid) |
4281 FIELD_PREP(IRDMA_CQPSQ_TPHEN, ccq->tph_en) |
4282 FIELD_PREP(IRDMA_CQPSQ_CQ_AVOIDMEMCNFLCT, ccq->cq_uk.avoid_mem_cflct) |
4283 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
4284 dma_wmb(); /* make sure WQE is written before valid bit is set */
4285
4286 set_64bit_val(wqe, 24, hdr);
4287
4288 print_hex_dump_debug("WQE: CCQ_DESTROY WQE", DUMP_PREFIX_OFFSET, 16,
4289 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
4290 irdma_get_cqp_reg_info(cqp, &val, &tail, &error);
4291
4292 if (post_sq) {
4293 irdma_sc_cqp_post_sq(cqp);
4294 ret_code = irdma_cqp_poll_registers(cqp, tail,
4295 cqp->dev->hw_attrs.max_done_count);
4296 }
4297
4298 cqp->process_cqp_sds = irdma_update_sds_noccq;
4299
4300 return ret_code;
4301 }
4302
4303 /**
4304 * irdma_sc_init_iw_hmc() - queries fpm values using cqp and populates hmc_info
4305 * @dev : ptr to irdma_dev struct
4306 * @hmc_fn_id: hmc function id
4307 */
irdma_sc_init_iw_hmc(struct irdma_sc_dev * dev,u8 hmc_fn_id)4308 int irdma_sc_init_iw_hmc(struct irdma_sc_dev *dev, u8 hmc_fn_id)
4309 {
4310 struct irdma_hmc_info *hmc_info;
4311 struct irdma_hmc_fpm_misc *hmc_fpm_misc;
4312 struct irdma_dma_mem query_fpm_mem;
4313 int ret_code = 0;
4314 u8 wait_type;
4315
4316 hmc_info = dev->hmc_info;
4317 hmc_fpm_misc = &dev->hmc_fpm_misc;
4318 query_fpm_mem.pa = dev->fpm_query_buf_pa;
4319 query_fpm_mem.va = dev->fpm_query_buf;
4320 hmc_info->hmc_fn_id = hmc_fn_id;
4321 wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS;
4322
4323 ret_code = irdma_sc_query_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id,
4324 &query_fpm_mem, true, wait_type);
4325 if (ret_code)
4326 return ret_code;
4327
4328 /* parse the fpm_query_buf and fill hmc obj info */
4329 ret_code = irdma_sc_parse_fpm_query_buf(dev, query_fpm_mem.va, hmc_info,
4330 hmc_fpm_misc);
4331
4332 print_hex_dump_debug("HMC: QUERY FPM BUFFER", DUMP_PREFIX_OFFSET, 16,
4333 8, query_fpm_mem.va, IRDMA_QUERY_FPM_BUF_SIZE,
4334 false);
4335 return ret_code;
4336 }
4337
4338 /**
4339 * irdma_sc_cfg_iw_fpm() - commits hmc obj cnt values using cqp
4340 * command and populates fpm base address in hmc_info
4341 * @dev : ptr to irdma_dev struct
4342 * @hmc_fn_id: hmc function id
4343 */
irdma_sc_cfg_iw_fpm(struct irdma_sc_dev * dev,u8 hmc_fn_id)4344 static int irdma_sc_cfg_iw_fpm(struct irdma_sc_dev *dev, u8 hmc_fn_id)
4345 {
4346 struct irdma_hmc_info *hmc_info;
4347 struct irdma_hmc_obj_info *obj_info;
4348 __le64 *buf;
4349 struct irdma_dma_mem commit_fpm_mem;
4350 int ret_code = 0;
4351 u8 wait_type;
4352
4353 hmc_info = dev->hmc_info;
4354 obj_info = hmc_info->hmc_obj;
4355 buf = dev->fpm_commit_buf;
4356
4357 set_64bit_val(buf, 0, (u64)obj_info[IRDMA_HMC_IW_QP].cnt);
4358 set_64bit_val(buf, 8, (u64)obj_info[IRDMA_HMC_IW_CQ].cnt);
4359 set_64bit_val(buf, 16, (u64)0); /* RSRVD */
4360 set_64bit_val(buf, 24, (u64)obj_info[IRDMA_HMC_IW_HTE].cnt);
4361 set_64bit_val(buf, 32, (u64)obj_info[IRDMA_HMC_IW_ARP].cnt);
4362 set_64bit_val(buf, 40, (u64)0); /* RSVD */
4363 set_64bit_val(buf, 48, (u64)obj_info[IRDMA_HMC_IW_MR].cnt);
4364 set_64bit_val(buf, 56, (u64)obj_info[IRDMA_HMC_IW_XF].cnt);
4365 set_64bit_val(buf, 64, (u64)obj_info[IRDMA_HMC_IW_XFFL].cnt);
4366 set_64bit_val(buf, 72, (u64)obj_info[IRDMA_HMC_IW_Q1].cnt);
4367 set_64bit_val(buf, 80, (u64)obj_info[IRDMA_HMC_IW_Q1FL].cnt);
4368 set_64bit_val(buf, 88,
4369 (u64)obj_info[IRDMA_HMC_IW_TIMER].cnt);
4370 set_64bit_val(buf, 96,
4371 (u64)obj_info[IRDMA_HMC_IW_FSIMC].cnt);
4372 set_64bit_val(buf, 104,
4373 (u64)obj_info[IRDMA_HMC_IW_FSIAV].cnt);
4374 set_64bit_val(buf, 112,
4375 (u64)obj_info[IRDMA_HMC_IW_PBLE].cnt);
4376 set_64bit_val(buf, 120, (u64)0); /* RSVD */
4377 set_64bit_val(buf, 128, (u64)obj_info[IRDMA_HMC_IW_RRF].cnt);
4378 set_64bit_val(buf, 136,
4379 (u64)obj_info[IRDMA_HMC_IW_RRFFL].cnt);
4380 set_64bit_val(buf, 144, (u64)obj_info[IRDMA_HMC_IW_HDR].cnt);
4381 set_64bit_val(buf, 152, (u64)obj_info[IRDMA_HMC_IW_MD].cnt);
4382 set_64bit_val(buf, 160,
4383 (u64)obj_info[IRDMA_HMC_IW_OOISC].cnt);
4384 set_64bit_val(buf, 168,
4385 (u64)obj_info[IRDMA_HMC_IW_OOISCFFL].cnt);
4386
4387 commit_fpm_mem.pa = dev->fpm_commit_buf_pa;
4388 commit_fpm_mem.va = dev->fpm_commit_buf;
4389
4390 wait_type = (u8)IRDMA_CQP_WAIT_POLL_REGS;
4391 print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16,
4392 8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE,
4393 false);
4394 ret_code = irdma_sc_commit_fpm_val(dev->cqp, 0, hmc_info->hmc_fn_id,
4395 &commit_fpm_mem, true, wait_type);
4396 if (!ret_code)
4397 irdma_sc_parse_fpm_commit_buf(dev, dev->fpm_commit_buf,
4398 hmc_info->hmc_obj,
4399 &hmc_info->sd_table.sd_cnt);
4400 print_hex_dump_debug("HMC: COMMIT FPM BUFFER", DUMP_PREFIX_OFFSET, 16,
4401 8, commit_fpm_mem.va, IRDMA_COMMIT_FPM_BUF_SIZE,
4402 false);
4403
4404 return ret_code;
4405 }
4406
4407 /**
4408 * cqp_sds_wqe_fill - fill cqp wqe doe sd
4409 * @cqp: struct for cqp hw
4410 * @info: sd info for wqe
4411 * @scratch: u64 saved to be used during cqp completion
4412 */
cqp_sds_wqe_fill(struct irdma_sc_cqp * cqp,struct irdma_update_sds_info * info,u64 scratch)4413 static int cqp_sds_wqe_fill(struct irdma_sc_cqp *cqp,
4414 struct irdma_update_sds_info *info, u64 scratch)
4415 {
4416 u64 data;
4417 u64 hdr;
4418 __le64 *wqe;
4419 int mem_entries, wqe_entries;
4420 struct irdma_dma_mem *sdbuf = &cqp->sdbuf;
4421 u64 offset = 0;
4422 u32 wqe_idx;
4423
4424 wqe = irdma_sc_cqp_get_next_send_wqe_idx(cqp, scratch, &wqe_idx);
4425 if (!wqe)
4426 return -ENOMEM;
4427
4428 wqe_entries = (info->cnt > 3) ? 3 : info->cnt;
4429 mem_entries = info->cnt - wqe_entries;
4430
4431 if (mem_entries) {
4432 offset = wqe_idx * IRDMA_UPDATE_SD_BUFF_SIZE;
4433 memcpy(((char *)sdbuf->va + offset), &info->entry[3], mem_entries << 4);
4434
4435 data = (u64)sdbuf->pa + offset;
4436 } else {
4437 data = 0;
4438 }
4439 data |= FIELD_PREP(IRDMA_CQPSQ_UPESD_HMCFNID, info->hmc_fn_id);
4440 set_64bit_val(wqe, 16, data);
4441
4442 switch (wqe_entries) {
4443 case 3:
4444 set_64bit_val(wqe, 48,
4445 (FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[2].cmd) |
4446 FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1)));
4447
4448 set_64bit_val(wqe, 56, info->entry[2].data);
4449 fallthrough;
4450 case 2:
4451 set_64bit_val(wqe, 32,
4452 (FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[1].cmd) |
4453 FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_VALID, 1)));
4454
4455 set_64bit_val(wqe, 40, info->entry[1].data);
4456 fallthrough;
4457 case 1:
4458 set_64bit_val(wqe, 0,
4459 FIELD_PREP(IRDMA_CQPSQ_UPESD_SDCMD, info->entry[0].cmd));
4460
4461 set_64bit_val(wqe, 8, info->entry[0].data);
4462 break;
4463 default:
4464 break;
4465 }
4466
4467 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE, IRDMA_CQP_OP_UPDATE_PE_SDS) |
4468 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity) |
4469 FIELD_PREP(IRDMA_CQPSQ_UPESD_ENTRY_COUNT, mem_entries);
4470 dma_wmb(); /* make sure WQE is written before valid bit is set */
4471
4472 set_64bit_val(wqe, 24, hdr);
4473
4474 if (mem_entries)
4475 print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE Buffer",
4476 DUMP_PREFIX_OFFSET, 16, 8,
4477 (char *)sdbuf->va + offset,
4478 mem_entries << 4, false);
4479
4480 print_hex_dump_debug("WQE: UPDATE_PE_SDS WQE", DUMP_PREFIX_OFFSET, 16,
4481 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
4482
4483 return 0;
4484 }
4485
4486 /**
4487 * irdma_update_pe_sds - cqp wqe for sd
4488 * @dev: ptr to irdma_dev struct
4489 * @info: sd info for sd's
4490 * @scratch: u64 saved to be used during cqp completion
4491 */
irdma_update_pe_sds(struct irdma_sc_dev * dev,struct irdma_update_sds_info * info,u64 scratch)4492 static int irdma_update_pe_sds(struct irdma_sc_dev *dev,
4493 struct irdma_update_sds_info *info, u64 scratch)
4494 {
4495 struct irdma_sc_cqp *cqp = dev->cqp;
4496 int ret_code;
4497
4498 ret_code = cqp_sds_wqe_fill(cqp, info, scratch);
4499 if (!ret_code)
4500 irdma_sc_cqp_post_sq(cqp);
4501
4502 return ret_code;
4503 }
4504
4505 /**
4506 * irdma_update_sds_noccq - update sd before ccq created
4507 * @dev: sc device struct
4508 * @info: sd info for sd's
4509 */
irdma_update_sds_noccq(struct irdma_sc_dev * dev,struct irdma_update_sds_info * info)4510 int irdma_update_sds_noccq(struct irdma_sc_dev *dev,
4511 struct irdma_update_sds_info *info)
4512 {
4513 u32 error, val, tail;
4514 struct irdma_sc_cqp *cqp = dev->cqp;
4515 int ret_code;
4516
4517 ret_code = cqp_sds_wqe_fill(cqp, info, 0);
4518 if (ret_code)
4519 return ret_code;
4520
4521 irdma_get_cqp_reg_info(cqp, &val, &tail, &error);
4522
4523 irdma_sc_cqp_post_sq(cqp);
4524 return irdma_cqp_poll_registers(cqp, tail,
4525 cqp->dev->hw_attrs.max_done_count);
4526 }
4527
4528 /**
4529 * irdma_sc_static_hmc_pages_allocated - cqp wqe to allocate hmc pages
4530 * @cqp: struct for cqp hw
4531 * @scratch: u64 saved to be used during cqp completion
4532 * @hmc_fn_id: hmc function id
4533 * @post_sq: flag for cqp db to ring
4534 * @poll_registers: flag to poll register for cqp completion
4535 */
irdma_sc_static_hmc_pages_allocated(struct irdma_sc_cqp * cqp,u64 scratch,u8 hmc_fn_id,bool post_sq,bool poll_registers)4536 int irdma_sc_static_hmc_pages_allocated(struct irdma_sc_cqp *cqp, u64 scratch,
4537 u8 hmc_fn_id, bool post_sq,
4538 bool poll_registers)
4539 {
4540 u64 hdr;
4541 __le64 *wqe;
4542 u32 tail, val, error;
4543
4544 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
4545 if (!wqe)
4546 return -ENOMEM;
4547
4548 set_64bit_val(wqe, 16,
4549 FIELD_PREP(IRDMA_SHMC_PAGE_ALLOCATED_HMC_FN_ID, hmc_fn_id));
4550
4551 hdr = FIELD_PREP(IRDMA_CQPSQ_OPCODE,
4552 IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED) |
4553 FIELD_PREP(IRDMA_CQPSQ_WQEVALID, cqp->polarity);
4554 dma_wmb(); /* make sure WQE is written before valid bit is set */
4555
4556 set_64bit_val(wqe, 24, hdr);
4557
4558 print_hex_dump_debug("WQE: SHMC_PAGES_ALLOCATED WQE",
4559 DUMP_PREFIX_OFFSET, 16, 8, wqe,
4560 IRDMA_CQP_WQE_SIZE * 8, false);
4561 irdma_get_cqp_reg_info(cqp, &val, &tail, &error);
4562
4563 if (post_sq) {
4564 irdma_sc_cqp_post_sq(cqp);
4565 if (poll_registers)
4566 /* check for cqp sq tail update */
4567 return irdma_cqp_poll_registers(cqp, tail,
4568 cqp->dev->hw_attrs.max_done_count);
4569 else
4570 return irdma_sc_poll_for_cqp_op_done(cqp,
4571 IRDMA_CQP_OP_SHMC_PAGES_ALLOCATED,
4572 NULL);
4573 }
4574
4575 return 0;
4576 }
4577
4578 /**
4579 * irdma_cqp_ring_full - check if cqp ring is full
4580 * @cqp: struct for cqp hw
4581 */
irdma_cqp_ring_full(struct irdma_sc_cqp * cqp)4582 static bool irdma_cqp_ring_full(struct irdma_sc_cqp *cqp)
4583 {
4584 return IRDMA_RING_FULL_ERR(cqp->sq_ring);
4585 }
4586
4587 /**
4588 * irdma_est_sd - returns approximate number of SDs for HMC
4589 * @dev: sc device struct
4590 * @hmc_info: hmc structure, size and count for HMC objects
4591 */
irdma_est_sd(struct irdma_sc_dev * dev,struct irdma_hmc_info * hmc_info)4592 static u32 irdma_est_sd(struct irdma_sc_dev *dev,
4593 struct irdma_hmc_info *hmc_info)
4594 {
4595 int i;
4596 u64 size = 0;
4597 u64 sd;
4598
4599 for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++)
4600 if (i != IRDMA_HMC_IW_PBLE)
4601 size += round_up(hmc_info->hmc_obj[i].cnt *
4602 hmc_info->hmc_obj[i].size, 512);
4603 size += round_up(hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt *
4604 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].size, 512);
4605 if (size & 0x1FFFFF)
4606 sd = (size >> 21) + 1; /* add 1 for remainder */
4607 else
4608 sd = size >> 21;
4609 if (sd > 0xFFFFFFFF) {
4610 ibdev_dbg(to_ibdev(dev), "HMC: sd overflow[%lld]\n", sd);
4611 sd = 0xFFFFFFFF - 1;
4612 }
4613
4614 return (u32)sd;
4615 }
4616
4617 /**
4618 * irdma_sc_query_rdma_features_done - poll cqp for query features done
4619 * @cqp: struct for cqp hw
4620 */
irdma_sc_query_rdma_features_done(struct irdma_sc_cqp * cqp)4621 static int irdma_sc_query_rdma_features_done(struct irdma_sc_cqp *cqp)
4622 {
4623 return irdma_sc_poll_for_cqp_op_done(cqp,
4624 IRDMA_CQP_OP_QUERY_RDMA_FEATURES,
4625 NULL);
4626 }
4627
4628 /**
4629 * irdma_sc_query_rdma_features - query RDMA features and FW ver
4630 * @cqp: struct for cqp hw
4631 * @buf: buffer to hold query info
4632 * @scratch: u64 saved to be used during cqp completion
4633 */
irdma_sc_query_rdma_features(struct irdma_sc_cqp * cqp,struct irdma_dma_mem * buf,u64 scratch)4634 static int irdma_sc_query_rdma_features(struct irdma_sc_cqp *cqp,
4635 struct irdma_dma_mem *buf, u64 scratch)
4636 {
4637 __le64 *wqe;
4638 u64 temp;
4639
4640 wqe = irdma_sc_cqp_get_next_send_wqe(cqp, scratch);
4641 if (!wqe)
4642 return -ENOMEM;
4643
4644 temp = buf->pa;
4645 set_64bit_val(wqe, 32, temp);
4646
4647 temp = FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_WQEVALID,
4648 cqp->polarity) |
4649 FIELD_PREP(IRDMA_CQPSQ_QUERY_RDMA_FEATURES_BUF_LEN, buf->size) |
4650 FIELD_PREP(IRDMA_CQPSQ_UP_OP, IRDMA_CQP_OP_QUERY_RDMA_FEATURES);
4651 dma_wmb(); /* make sure WQE is written before valid bit is set */
4652
4653 set_64bit_val(wqe, 24, temp);
4654
4655 print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET,
4656 16, 8, wqe, IRDMA_CQP_WQE_SIZE * 8, false);
4657 irdma_sc_cqp_post_sq(cqp);
4658
4659 return 0;
4660 }
4661
4662 /**
4663 * irdma_get_rdma_features - get RDMA features
4664 * @dev: sc device struct
4665 */
irdma_get_rdma_features(struct irdma_sc_dev * dev)4666 int irdma_get_rdma_features(struct irdma_sc_dev *dev)
4667 {
4668 int ret_code;
4669 struct irdma_dma_mem feat_buf;
4670 u64 temp;
4671 u16 byte_idx, feat_type, feat_cnt, feat_idx;
4672
4673 feat_buf.size = ALIGN(IRDMA_FEATURE_BUF_SIZE,
4674 IRDMA_FEATURE_BUF_ALIGNMENT);
4675 feat_buf.va = dma_alloc_coherent(dev->hw->device, feat_buf.size,
4676 &feat_buf.pa, GFP_KERNEL);
4677 if (!feat_buf.va)
4678 return -ENOMEM;
4679
4680 ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0);
4681 if (!ret_code)
4682 ret_code = irdma_sc_query_rdma_features_done(dev->cqp);
4683 if (ret_code)
4684 goto exit;
4685
4686 get_64bit_val(feat_buf.va, 0, &temp);
4687 feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp);
4688 if (feat_cnt < 2) {
4689 ret_code = -EINVAL;
4690 goto exit;
4691 } else if (feat_cnt > IRDMA_MAX_FEATURES) {
4692 ibdev_dbg(to_ibdev(dev),
4693 "DEV: feature buf size insufficient, retrying with larger buffer\n");
4694 dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va,
4695 feat_buf.pa);
4696 feat_buf.va = NULL;
4697 feat_buf.size = ALIGN(8 * feat_cnt,
4698 IRDMA_FEATURE_BUF_ALIGNMENT);
4699 feat_buf.va = dma_alloc_coherent(dev->hw->device,
4700 feat_buf.size, &feat_buf.pa,
4701 GFP_KERNEL);
4702 if (!feat_buf.va)
4703 return -ENOMEM;
4704
4705 ret_code = irdma_sc_query_rdma_features(dev->cqp, &feat_buf, 0);
4706 if (!ret_code)
4707 ret_code = irdma_sc_query_rdma_features_done(dev->cqp);
4708 if (ret_code)
4709 goto exit;
4710
4711 get_64bit_val(feat_buf.va, 0, &temp);
4712 feat_cnt = (u16)FIELD_GET(IRDMA_FEATURE_CNT, temp);
4713 if (feat_cnt < 2) {
4714 ret_code = -EINVAL;
4715 goto exit;
4716 }
4717 }
4718
4719 print_hex_dump_debug("WQE: QUERY RDMA FEATURES", DUMP_PREFIX_OFFSET,
4720 16, 8, feat_buf.va, feat_cnt * 8, false);
4721
4722 for (byte_idx = 0, feat_idx = 0; feat_idx < min(feat_cnt, (u16)IRDMA_MAX_FEATURES);
4723 feat_idx++, byte_idx += 8) {
4724 get_64bit_val(feat_buf.va, byte_idx, &temp);
4725 feat_type = FIELD_GET(IRDMA_FEATURE_TYPE, temp);
4726 if (feat_type >= IRDMA_MAX_FEATURES) {
4727 ibdev_dbg(to_ibdev(dev),
4728 "DEV: found unrecognized feature type %d\n",
4729 feat_type);
4730 continue;
4731 }
4732 dev->feature_info[feat_type] = temp;
4733 }
4734 exit:
4735 dma_free_coherent(dev->hw->device, feat_buf.size, feat_buf.va,
4736 feat_buf.pa);
4737 feat_buf.va = NULL;
4738 return ret_code;
4739 }
4740
irdma_q1_cnt(struct irdma_sc_dev * dev,struct irdma_hmc_info * hmc_info,u32 qpwanted)4741 static u32 irdma_q1_cnt(struct irdma_sc_dev *dev,
4742 struct irdma_hmc_info *hmc_info, u32 qpwanted)
4743 {
4744 u32 q1_cnt;
4745
4746 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1) {
4747 q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted);
4748 } else {
4749 if (dev->cqp->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY)
4750 q1_cnt = roundup_pow_of_two(dev->hw_attrs.max_hw_ird * 2 * qpwanted + 512);
4751 else
4752 q1_cnt = dev->hw_attrs.max_hw_ird * 2 * qpwanted;
4753 }
4754
4755 return q1_cnt;
4756 }
4757
cfg_fpm_value_gen_1(struct irdma_sc_dev * dev,struct irdma_hmc_info * hmc_info,u32 qpwanted)4758 static void cfg_fpm_value_gen_1(struct irdma_sc_dev *dev,
4759 struct irdma_hmc_info *hmc_info, u32 qpwanted)
4760 {
4761 hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt = roundup_pow_of_two(qpwanted * dev->hw_attrs.max_hw_wqes);
4762 }
4763
cfg_fpm_value_gen_2(struct irdma_sc_dev * dev,struct irdma_hmc_info * hmc_info,u32 qpwanted)4764 static void cfg_fpm_value_gen_2(struct irdma_sc_dev *dev,
4765 struct irdma_hmc_info *hmc_info, u32 qpwanted)
4766 {
4767 struct irdma_hmc_fpm_misc *hmc_fpm_misc = &dev->hmc_fpm_misc;
4768
4769 hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt =
4770 4 * hmc_fpm_misc->xf_block_size * qpwanted;
4771
4772 hmc_info->hmc_obj[IRDMA_HMC_IW_HDR].cnt = qpwanted;
4773
4774 if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].max_cnt)
4775 hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt = 32 * qpwanted;
4776 if (hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].max_cnt)
4777 hmc_info->hmc_obj[IRDMA_HMC_IW_RRFFL].cnt =
4778 hmc_info->hmc_obj[IRDMA_HMC_IW_RRF].cnt /
4779 hmc_fpm_misc->rrf_block_size;
4780 if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].max_cnt)
4781 hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt = 32 * qpwanted;
4782 if (hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].max_cnt)
4783 hmc_info->hmc_obj[IRDMA_HMC_IW_OOISCFFL].cnt =
4784 hmc_info->hmc_obj[IRDMA_HMC_IW_OOISC].cnt /
4785 hmc_fpm_misc->ooiscf_block_size;
4786 }
4787
4788 /**
4789 * irdma_cfg_fpm_val - configure HMC objects
4790 * @dev: sc device struct
4791 * @qp_count: desired qp count
4792 */
irdma_cfg_fpm_val(struct irdma_sc_dev * dev,u32 qp_count)4793 int irdma_cfg_fpm_val(struct irdma_sc_dev *dev, u32 qp_count)
4794 {
4795 struct irdma_virt_mem virt_mem;
4796 u32 i, mem_size;
4797 u32 qpwanted, mrwanted, pblewanted;
4798 u32 powerof2, hte;
4799 u32 sd_needed;
4800 u32 sd_diff;
4801 u32 loop_count = 0;
4802 struct irdma_hmc_info *hmc_info;
4803 struct irdma_hmc_fpm_misc *hmc_fpm_misc;
4804 int ret_code = 0;
4805
4806 hmc_info = dev->hmc_info;
4807 hmc_fpm_misc = &dev->hmc_fpm_misc;
4808
4809 ret_code = irdma_sc_init_iw_hmc(dev, dev->hmc_fn_id);
4810 if (ret_code) {
4811 ibdev_dbg(to_ibdev(dev),
4812 "HMC: irdma_sc_init_iw_hmc returned error_code = %d\n",
4813 ret_code);
4814 return ret_code;
4815 }
4816
4817 for (i = IRDMA_HMC_IW_QP; i < IRDMA_HMC_IW_MAX; i++)
4818 hmc_info->hmc_obj[i].cnt = hmc_info->hmc_obj[i].max_cnt;
4819 sd_needed = irdma_est_sd(dev, hmc_info);
4820 ibdev_dbg(to_ibdev(dev),
4821 "HMC: FW max resources sd_needed[%08d] first_sd_index[%04d]\n",
4822 sd_needed, hmc_info->first_sd_index);
4823 ibdev_dbg(to_ibdev(dev), "HMC: sd count %d where max sd is %d\n",
4824 hmc_info->sd_table.sd_cnt, hmc_fpm_misc->max_sds);
4825
4826 qpwanted = min(qp_count, hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt);
4827
4828 powerof2 = 1;
4829 while (powerof2 <= qpwanted)
4830 powerof2 *= 2;
4831 powerof2 /= 2;
4832 qpwanted = powerof2;
4833
4834 mrwanted = hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt;
4835 pblewanted = hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt;
4836
4837 ibdev_dbg(to_ibdev(dev),
4838 "HMC: req_qp=%d max_sd=%d, max_qp = %d, max_cq=%d, max_mr=%d, max_pble=%d, mc=%d, av=%d\n",
4839 qp_count, hmc_fpm_misc->max_sds,
4840 hmc_info->hmc_obj[IRDMA_HMC_IW_QP].max_cnt,
4841 hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].max_cnt,
4842 hmc_info->hmc_obj[IRDMA_HMC_IW_MR].max_cnt,
4843 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].max_cnt,
4844 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt,
4845 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt);
4846 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt =
4847 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].max_cnt;
4848 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt =
4849 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].max_cnt;
4850 hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].cnt =
4851 hmc_info->hmc_obj[IRDMA_HMC_IW_ARP].max_cnt;
4852
4853 hmc_info->hmc_obj[IRDMA_HMC_IW_APBVT_ENTRY].cnt = 1;
4854
4855 while (irdma_q1_cnt(dev, hmc_info, qpwanted) > hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].max_cnt)
4856 qpwanted /= 2;
4857
4858 do {
4859 ++loop_count;
4860 hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt = qpwanted;
4861 hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt =
4862 min(2 * qpwanted, hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt);
4863 hmc_info->hmc_obj[IRDMA_HMC_IW_RESERVED].cnt = 0; /* Reserved */
4864 hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt = mrwanted;
4865
4866 hte = round_up(qpwanted + hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt, 512);
4867 powerof2 = 1;
4868 while (powerof2 < hte)
4869 powerof2 *= 2;
4870 hmc_info->hmc_obj[IRDMA_HMC_IW_HTE].cnt =
4871 powerof2 * hmc_fpm_misc->ht_multiplier;
4872 if (dev->hw_attrs.uk_attrs.hw_rev == IRDMA_GEN_1)
4873 cfg_fpm_value_gen_1(dev, hmc_info, qpwanted);
4874 else
4875 cfg_fpm_value_gen_2(dev, hmc_info, qpwanted);
4876
4877 hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt = irdma_q1_cnt(dev, hmc_info, qpwanted);
4878 hmc_info->hmc_obj[IRDMA_HMC_IW_XFFL].cnt =
4879 hmc_info->hmc_obj[IRDMA_HMC_IW_XF].cnt / hmc_fpm_misc->xf_block_size;
4880 hmc_info->hmc_obj[IRDMA_HMC_IW_Q1FL].cnt =
4881 hmc_info->hmc_obj[IRDMA_HMC_IW_Q1].cnt / hmc_fpm_misc->q1_block_size;
4882 hmc_info->hmc_obj[IRDMA_HMC_IW_TIMER].cnt =
4883 (round_up(qpwanted, 512) / 512 + 1) * hmc_fpm_misc->timer_bucket;
4884
4885 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted;
4886 sd_needed = irdma_est_sd(dev, hmc_info);
4887 ibdev_dbg(to_ibdev(dev),
4888 "HMC: sd_needed = %d, hmc_fpm_misc->max_sds=%d, mrwanted=%d, pblewanted=%d qpwanted=%d\n",
4889 sd_needed, hmc_fpm_misc->max_sds, mrwanted,
4890 pblewanted, qpwanted);
4891
4892 /* Do not reduce resources further. All objects fit with max SDs */
4893 if (sd_needed <= hmc_fpm_misc->max_sds)
4894 break;
4895
4896 sd_diff = sd_needed - hmc_fpm_misc->max_sds;
4897 if (sd_diff > 128) {
4898 if (!(loop_count % 2) && qpwanted > 128) {
4899 qpwanted /= 2;
4900 } else {
4901 mrwanted /= 2;
4902 pblewanted /= 2;
4903 }
4904 continue;
4905 }
4906 if (dev->cqp->hmc_profile != IRDMA_HMC_PROFILE_FAVOR_VF &&
4907 pblewanted > (512 * FPM_MULTIPLIER * sd_diff)) {
4908 pblewanted -= 256 * FPM_MULTIPLIER * sd_diff;
4909 continue;
4910 } else if (pblewanted > (100 * FPM_MULTIPLIER)) {
4911 pblewanted -= 10 * FPM_MULTIPLIER;
4912 } else if (pblewanted > FPM_MULTIPLIER) {
4913 pblewanted -= FPM_MULTIPLIER;
4914 } else if (qpwanted <= 128) {
4915 if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt > 256)
4916 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt /= 2;
4917 if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256)
4918 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2;
4919 }
4920 if (mrwanted > FPM_MULTIPLIER)
4921 mrwanted -= FPM_MULTIPLIER;
4922 if (!(loop_count % 10) && qpwanted > 128) {
4923 qpwanted /= 2;
4924 if (hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt > 256)
4925 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt /= 2;
4926 }
4927 } while (loop_count < 2000);
4928
4929 if (sd_needed > hmc_fpm_misc->max_sds) {
4930 ibdev_dbg(to_ibdev(dev),
4931 "HMC: cfg_fpm failed loop_cnt=%d, sd_needed=%d, max sd count %d\n",
4932 loop_count, sd_needed, hmc_info->sd_table.sd_cnt);
4933 return -EINVAL;
4934 }
4935
4936 if (loop_count > 1 && sd_needed < hmc_fpm_misc->max_sds) {
4937 pblewanted += (hmc_fpm_misc->max_sds - sd_needed) * 256 *
4938 FPM_MULTIPLIER;
4939 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt = pblewanted;
4940 sd_needed = irdma_est_sd(dev, hmc_info);
4941 }
4942
4943 ibdev_dbg(to_ibdev(dev),
4944 "HMC: loop_cnt=%d, sd_needed=%d, qpcnt = %d, cqcnt=%d, mrcnt=%d, pblecnt=%d, mc=%d, ah=%d, max sd count %d, first sd index %d\n",
4945 loop_count, sd_needed,
4946 hmc_info->hmc_obj[IRDMA_HMC_IW_QP].cnt,
4947 hmc_info->hmc_obj[IRDMA_HMC_IW_CQ].cnt,
4948 hmc_info->hmc_obj[IRDMA_HMC_IW_MR].cnt,
4949 hmc_info->hmc_obj[IRDMA_HMC_IW_PBLE].cnt,
4950 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIMC].cnt,
4951 hmc_info->hmc_obj[IRDMA_HMC_IW_FSIAV].cnt,
4952 hmc_info->sd_table.sd_cnt, hmc_info->first_sd_index);
4953
4954 ret_code = irdma_sc_cfg_iw_fpm(dev, dev->hmc_fn_id);
4955 if (ret_code) {
4956 ibdev_dbg(to_ibdev(dev),
4957 "HMC: cfg_iw_fpm returned error_code[x%08X]\n",
4958 readl(dev->hw_regs[IRDMA_CQPERRCODES]));
4959 return ret_code;
4960 }
4961
4962 mem_size = sizeof(struct irdma_hmc_sd_entry) *
4963 (hmc_info->sd_table.sd_cnt + hmc_info->first_sd_index + 1);
4964 virt_mem.size = mem_size;
4965 virt_mem.va = kzalloc(virt_mem.size, GFP_KERNEL);
4966 if (!virt_mem.va) {
4967 ibdev_dbg(to_ibdev(dev),
4968 "HMC: failed to allocate memory for sd_entry buffer\n");
4969 return -ENOMEM;
4970 }
4971 hmc_info->sd_table.sd_entry = virt_mem.va;
4972
4973 return ret_code;
4974 }
4975
4976 /**
4977 * irdma_exec_cqp_cmd - execute cqp cmd when wqe are available
4978 * @dev: rdma device
4979 * @pcmdinfo: cqp command info
4980 */
irdma_exec_cqp_cmd(struct irdma_sc_dev * dev,struct cqp_cmds_info * pcmdinfo)4981 static int irdma_exec_cqp_cmd(struct irdma_sc_dev *dev,
4982 struct cqp_cmds_info *pcmdinfo)
4983 {
4984 int status;
4985 struct irdma_dma_mem val_mem;
4986 bool alloc = false;
4987
4988 dev->cqp_cmd_stats[pcmdinfo->cqp_cmd]++;
4989 switch (pcmdinfo->cqp_cmd) {
4990 case IRDMA_OP_CEQ_DESTROY:
4991 status = irdma_sc_ceq_destroy(pcmdinfo->in.u.ceq_destroy.ceq,
4992 pcmdinfo->in.u.ceq_destroy.scratch,
4993 pcmdinfo->post_sq);
4994 break;
4995 case IRDMA_OP_AEQ_DESTROY:
4996 status = irdma_sc_aeq_destroy(pcmdinfo->in.u.aeq_destroy.aeq,
4997 pcmdinfo->in.u.aeq_destroy.scratch,
4998 pcmdinfo->post_sq);
4999
5000 break;
5001 case IRDMA_OP_CEQ_CREATE:
5002 status = irdma_sc_ceq_create(pcmdinfo->in.u.ceq_create.ceq,
5003 pcmdinfo->in.u.ceq_create.scratch,
5004 pcmdinfo->post_sq);
5005 break;
5006 case IRDMA_OP_AEQ_CREATE:
5007 status = irdma_sc_aeq_create(pcmdinfo->in.u.aeq_create.aeq,
5008 pcmdinfo->in.u.aeq_create.scratch,
5009 pcmdinfo->post_sq);
5010 break;
5011 case IRDMA_OP_QP_UPLOAD_CONTEXT:
5012 status = irdma_sc_qp_upload_context(pcmdinfo->in.u.qp_upload_context.dev,
5013 &pcmdinfo->in.u.qp_upload_context.info,
5014 pcmdinfo->in.u.qp_upload_context.scratch,
5015 pcmdinfo->post_sq);
5016 break;
5017 case IRDMA_OP_CQ_CREATE:
5018 status = irdma_sc_cq_create(pcmdinfo->in.u.cq_create.cq,
5019 pcmdinfo->in.u.cq_create.scratch,
5020 pcmdinfo->in.u.cq_create.check_overflow,
5021 pcmdinfo->post_sq);
5022 break;
5023 case IRDMA_OP_CQ_MODIFY:
5024 status = irdma_sc_cq_modify(pcmdinfo->in.u.cq_modify.cq,
5025 &pcmdinfo->in.u.cq_modify.info,
5026 pcmdinfo->in.u.cq_modify.scratch,
5027 pcmdinfo->post_sq);
5028 break;
5029 case IRDMA_OP_CQ_DESTROY:
5030 status = irdma_sc_cq_destroy(pcmdinfo->in.u.cq_destroy.cq,
5031 pcmdinfo->in.u.cq_destroy.scratch,
5032 pcmdinfo->post_sq);
5033 break;
5034 case IRDMA_OP_QP_FLUSH_WQES:
5035 status = irdma_sc_qp_flush_wqes(pcmdinfo->in.u.qp_flush_wqes.qp,
5036 &pcmdinfo->in.u.qp_flush_wqes.info,
5037 pcmdinfo->in.u.qp_flush_wqes.scratch,
5038 pcmdinfo->post_sq);
5039 break;
5040 case IRDMA_OP_GEN_AE:
5041 status = irdma_sc_gen_ae(pcmdinfo->in.u.gen_ae.qp,
5042 &pcmdinfo->in.u.gen_ae.info,
5043 pcmdinfo->in.u.gen_ae.scratch,
5044 pcmdinfo->post_sq);
5045 break;
5046 case IRDMA_OP_MANAGE_PUSH_PAGE:
5047 status = irdma_sc_manage_push_page(pcmdinfo->in.u.manage_push_page.cqp,
5048 &pcmdinfo->in.u.manage_push_page.info,
5049 pcmdinfo->in.u.manage_push_page.scratch,
5050 pcmdinfo->post_sq);
5051 break;
5052 case IRDMA_OP_UPDATE_PE_SDS:
5053 status = irdma_update_pe_sds(pcmdinfo->in.u.update_pe_sds.dev,
5054 &pcmdinfo->in.u.update_pe_sds.info,
5055 pcmdinfo->in.u.update_pe_sds.scratch);
5056 break;
5057 case IRDMA_OP_MANAGE_HMC_PM_FUNC_TABLE:
5058 /* switch to calling through the call table */
5059 status =
5060 irdma_sc_manage_hmc_pm_func_table(pcmdinfo->in.u.manage_hmc_pm.dev->cqp,
5061 &pcmdinfo->in.u.manage_hmc_pm.info,
5062 pcmdinfo->in.u.manage_hmc_pm.scratch,
5063 true);
5064 break;
5065 case IRDMA_OP_SUSPEND:
5066 status = irdma_sc_suspend_qp(pcmdinfo->in.u.suspend_resume.cqp,
5067 pcmdinfo->in.u.suspend_resume.qp,
5068 pcmdinfo->in.u.suspend_resume.scratch);
5069 break;
5070 case IRDMA_OP_RESUME:
5071 status = irdma_sc_resume_qp(pcmdinfo->in.u.suspend_resume.cqp,
5072 pcmdinfo->in.u.suspend_resume.qp,
5073 pcmdinfo->in.u.suspend_resume.scratch);
5074 break;
5075 case IRDMA_OP_QUERY_FPM_VAL:
5076 val_mem.pa = pcmdinfo->in.u.query_fpm_val.fpm_val_pa;
5077 val_mem.va = pcmdinfo->in.u.query_fpm_val.fpm_val_va;
5078 status = irdma_sc_query_fpm_val(pcmdinfo->in.u.query_fpm_val.cqp,
5079 pcmdinfo->in.u.query_fpm_val.scratch,
5080 pcmdinfo->in.u.query_fpm_val.hmc_fn_id,
5081 &val_mem, true, IRDMA_CQP_WAIT_EVENT);
5082 break;
5083 case IRDMA_OP_COMMIT_FPM_VAL:
5084 val_mem.pa = pcmdinfo->in.u.commit_fpm_val.fpm_val_pa;
5085 val_mem.va = pcmdinfo->in.u.commit_fpm_val.fpm_val_va;
5086 status = irdma_sc_commit_fpm_val(pcmdinfo->in.u.commit_fpm_val.cqp,
5087 pcmdinfo->in.u.commit_fpm_val.scratch,
5088 pcmdinfo->in.u.commit_fpm_val.hmc_fn_id,
5089 &val_mem,
5090 true,
5091 IRDMA_CQP_WAIT_EVENT);
5092 break;
5093 case IRDMA_OP_STATS_ALLOCATE:
5094 alloc = true;
5095 fallthrough;
5096 case IRDMA_OP_STATS_FREE:
5097 status = irdma_sc_manage_stats_inst(pcmdinfo->in.u.stats_manage.cqp,
5098 &pcmdinfo->in.u.stats_manage.info,
5099 alloc,
5100 pcmdinfo->in.u.stats_manage.scratch);
5101 break;
5102 case IRDMA_OP_STATS_GATHER:
5103 status = irdma_sc_gather_stats(pcmdinfo->in.u.stats_gather.cqp,
5104 &pcmdinfo->in.u.stats_gather.info,
5105 pcmdinfo->in.u.stats_gather.scratch);
5106 break;
5107 case IRDMA_OP_WS_MODIFY_NODE:
5108 status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp,
5109 &pcmdinfo->in.u.ws_node.info,
5110 IRDMA_MODIFY_NODE,
5111 pcmdinfo->in.u.ws_node.scratch);
5112 break;
5113 case IRDMA_OP_WS_DELETE_NODE:
5114 status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp,
5115 &pcmdinfo->in.u.ws_node.info,
5116 IRDMA_DEL_NODE,
5117 pcmdinfo->in.u.ws_node.scratch);
5118 break;
5119 case IRDMA_OP_WS_ADD_NODE:
5120 status = irdma_sc_manage_ws_node(pcmdinfo->in.u.ws_node.cqp,
5121 &pcmdinfo->in.u.ws_node.info,
5122 IRDMA_ADD_NODE,
5123 pcmdinfo->in.u.ws_node.scratch);
5124 break;
5125 case IRDMA_OP_SET_UP_MAP:
5126 status = irdma_sc_set_up_map(pcmdinfo->in.u.up_map.cqp,
5127 &pcmdinfo->in.u.up_map.info,
5128 pcmdinfo->in.u.up_map.scratch);
5129 break;
5130 case IRDMA_OP_QUERY_RDMA_FEATURES:
5131 status = irdma_sc_query_rdma_features(pcmdinfo->in.u.query_rdma.cqp,
5132 &pcmdinfo->in.u.query_rdma.query_buff_mem,
5133 pcmdinfo->in.u.query_rdma.scratch);
5134 break;
5135 case IRDMA_OP_DELETE_ARP_CACHE_ENTRY:
5136 status = irdma_sc_del_arp_cache_entry(pcmdinfo->in.u.del_arp_cache_entry.cqp,
5137 pcmdinfo->in.u.del_arp_cache_entry.scratch,
5138 pcmdinfo->in.u.del_arp_cache_entry.arp_index,
5139 pcmdinfo->post_sq);
5140 break;
5141 case IRDMA_OP_MANAGE_APBVT_ENTRY:
5142 status = irdma_sc_manage_apbvt_entry(pcmdinfo->in.u.manage_apbvt_entry.cqp,
5143 &pcmdinfo->in.u.manage_apbvt_entry.info,
5144 pcmdinfo->in.u.manage_apbvt_entry.scratch,
5145 pcmdinfo->post_sq);
5146 break;
5147 case IRDMA_OP_MANAGE_QHASH_TABLE_ENTRY:
5148 status = irdma_sc_manage_qhash_table_entry(pcmdinfo->in.u.manage_qhash_table_entry.cqp,
5149 &pcmdinfo->in.u.manage_qhash_table_entry.info,
5150 pcmdinfo->in.u.manage_qhash_table_entry.scratch,
5151 pcmdinfo->post_sq);
5152 break;
5153 case IRDMA_OP_QP_MODIFY:
5154 status = irdma_sc_qp_modify(pcmdinfo->in.u.qp_modify.qp,
5155 &pcmdinfo->in.u.qp_modify.info,
5156 pcmdinfo->in.u.qp_modify.scratch,
5157 pcmdinfo->post_sq);
5158 break;
5159 case IRDMA_OP_QP_CREATE:
5160 status = irdma_sc_qp_create(pcmdinfo->in.u.qp_create.qp,
5161 &pcmdinfo->in.u.qp_create.info,
5162 pcmdinfo->in.u.qp_create.scratch,
5163 pcmdinfo->post_sq);
5164 break;
5165 case IRDMA_OP_QP_DESTROY:
5166 status = irdma_sc_qp_destroy(pcmdinfo->in.u.qp_destroy.qp,
5167 pcmdinfo->in.u.qp_destroy.scratch,
5168 pcmdinfo->in.u.qp_destroy.remove_hash_idx,
5169 pcmdinfo->in.u.qp_destroy.ignore_mw_bnd,
5170 pcmdinfo->post_sq);
5171 break;
5172 case IRDMA_OP_ALLOC_STAG:
5173 status = irdma_sc_alloc_stag(pcmdinfo->in.u.alloc_stag.dev,
5174 &pcmdinfo->in.u.alloc_stag.info,
5175 pcmdinfo->in.u.alloc_stag.scratch,
5176 pcmdinfo->post_sq);
5177 break;
5178 case IRDMA_OP_MR_REG_NON_SHARED:
5179 status = irdma_sc_mr_reg_non_shared(pcmdinfo->in.u.mr_reg_non_shared.dev,
5180 &pcmdinfo->in.u.mr_reg_non_shared.info,
5181 pcmdinfo->in.u.mr_reg_non_shared.scratch,
5182 pcmdinfo->post_sq);
5183 break;
5184 case IRDMA_OP_DEALLOC_STAG:
5185 status = irdma_sc_dealloc_stag(pcmdinfo->in.u.dealloc_stag.dev,
5186 &pcmdinfo->in.u.dealloc_stag.info,
5187 pcmdinfo->in.u.dealloc_stag.scratch,
5188 pcmdinfo->post_sq);
5189 break;
5190 case IRDMA_OP_MW_ALLOC:
5191 status = irdma_sc_mw_alloc(pcmdinfo->in.u.mw_alloc.dev,
5192 &pcmdinfo->in.u.mw_alloc.info,
5193 pcmdinfo->in.u.mw_alloc.scratch,
5194 pcmdinfo->post_sq);
5195 break;
5196 case IRDMA_OP_ADD_ARP_CACHE_ENTRY:
5197 status = irdma_sc_add_arp_cache_entry(pcmdinfo->in.u.add_arp_cache_entry.cqp,
5198 &pcmdinfo->in.u.add_arp_cache_entry.info,
5199 pcmdinfo->in.u.add_arp_cache_entry.scratch,
5200 pcmdinfo->post_sq);
5201 break;
5202 case IRDMA_OP_ALLOC_LOCAL_MAC_ENTRY:
5203 status = irdma_sc_alloc_local_mac_entry(pcmdinfo->in.u.alloc_local_mac_entry.cqp,
5204 pcmdinfo->in.u.alloc_local_mac_entry.scratch,
5205 pcmdinfo->post_sq);
5206 break;
5207 case IRDMA_OP_ADD_LOCAL_MAC_ENTRY:
5208 status = irdma_sc_add_local_mac_entry(pcmdinfo->in.u.add_local_mac_entry.cqp,
5209 &pcmdinfo->in.u.add_local_mac_entry.info,
5210 pcmdinfo->in.u.add_local_mac_entry.scratch,
5211 pcmdinfo->post_sq);
5212 break;
5213 case IRDMA_OP_DELETE_LOCAL_MAC_ENTRY:
5214 status = irdma_sc_del_local_mac_entry(pcmdinfo->in.u.del_local_mac_entry.cqp,
5215 pcmdinfo->in.u.del_local_mac_entry.scratch,
5216 pcmdinfo->in.u.del_local_mac_entry.entry_idx,
5217 pcmdinfo->in.u.del_local_mac_entry.ignore_ref_count,
5218 pcmdinfo->post_sq);
5219 break;
5220 case IRDMA_OP_AH_CREATE:
5221 status = irdma_sc_create_ah(pcmdinfo->in.u.ah_create.cqp,
5222 &pcmdinfo->in.u.ah_create.info,
5223 pcmdinfo->in.u.ah_create.scratch);
5224 break;
5225 case IRDMA_OP_AH_DESTROY:
5226 status = irdma_sc_destroy_ah(pcmdinfo->in.u.ah_destroy.cqp,
5227 &pcmdinfo->in.u.ah_destroy.info,
5228 pcmdinfo->in.u.ah_destroy.scratch);
5229 break;
5230 case IRDMA_OP_MC_CREATE:
5231 status = irdma_sc_create_mcast_grp(pcmdinfo->in.u.mc_create.cqp,
5232 &pcmdinfo->in.u.mc_create.info,
5233 pcmdinfo->in.u.mc_create.scratch);
5234 break;
5235 case IRDMA_OP_MC_DESTROY:
5236 status = irdma_sc_destroy_mcast_grp(pcmdinfo->in.u.mc_destroy.cqp,
5237 &pcmdinfo->in.u.mc_destroy.info,
5238 pcmdinfo->in.u.mc_destroy.scratch);
5239 break;
5240 case IRDMA_OP_MC_MODIFY:
5241 status = irdma_sc_modify_mcast_grp(pcmdinfo->in.u.mc_modify.cqp,
5242 &pcmdinfo->in.u.mc_modify.info,
5243 pcmdinfo->in.u.mc_modify.scratch);
5244 break;
5245 default:
5246 status = -EOPNOTSUPP;
5247 break;
5248 }
5249
5250 return status;
5251 }
5252
5253 /**
5254 * irdma_process_cqp_cmd - process all cqp commands
5255 * @dev: sc device struct
5256 * @pcmdinfo: cqp command info
5257 */
irdma_process_cqp_cmd(struct irdma_sc_dev * dev,struct cqp_cmds_info * pcmdinfo)5258 int irdma_process_cqp_cmd(struct irdma_sc_dev *dev,
5259 struct cqp_cmds_info *pcmdinfo)
5260 {
5261 int status = 0;
5262 unsigned long flags;
5263
5264 spin_lock_irqsave(&dev->cqp_lock, flags);
5265 if (list_empty(&dev->cqp_cmd_head) && !irdma_cqp_ring_full(dev->cqp))
5266 status = irdma_exec_cqp_cmd(dev, pcmdinfo);
5267 else
5268 list_add_tail(&pcmdinfo->cqp_cmd_entry, &dev->cqp_cmd_head);
5269 spin_unlock_irqrestore(&dev->cqp_lock, flags);
5270 return status;
5271 }
5272
5273 /**
5274 * irdma_process_bh - called from tasklet for cqp list
5275 * @dev: sc device struct
5276 */
irdma_process_bh(struct irdma_sc_dev * dev)5277 int irdma_process_bh(struct irdma_sc_dev *dev)
5278 {
5279 int status = 0;
5280 struct cqp_cmds_info *pcmdinfo;
5281 unsigned long flags;
5282
5283 spin_lock_irqsave(&dev->cqp_lock, flags);
5284 while (!list_empty(&dev->cqp_cmd_head) &&
5285 !irdma_cqp_ring_full(dev->cqp)) {
5286 pcmdinfo = (struct cqp_cmds_info *)irdma_remove_cqp_head(dev);
5287 status = irdma_exec_cqp_cmd(dev, pcmdinfo);
5288 if (status)
5289 break;
5290 }
5291 spin_unlock_irqrestore(&dev->cqp_lock, flags);
5292 return status;
5293 }
5294
5295 /**
5296 * irdma_cfg_aeq- Configure AEQ interrupt
5297 * @dev: pointer to the device structure
5298 * @idx: vector index
5299 * @enable: True to enable, False disables
5300 */
irdma_cfg_aeq(struct irdma_sc_dev * dev,u32 idx,bool enable)5301 void irdma_cfg_aeq(struct irdma_sc_dev *dev, u32 idx, bool enable)
5302 {
5303 u32 reg_val;
5304
5305 reg_val = FIELD_PREP(IRDMA_PFINT_AEQCTL_CAUSE_ENA, enable) |
5306 FIELD_PREP(IRDMA_PFINT_AEQCTL_MSIX_INDX, idx) |
5307 FIELD_PREP(IRDMA_PFINT_AEQCTL_ITR_INDX, 3);
5308 writel(reg_val, dev->hw_regs[IRDMA_PFINT_AEQCTL]);
5309 }
5310
5311 /**
5312 * sc_vsi_update_stats - Update statistics
5313 * @vsi: sc_vsi instance to update
5314 */
sc_vsi_update_stats(struct irdma_sc_vsi * vsi)5315 void sc_vsi_update_stats(struct irdma_sc_vsi *vsi)
5316 {
5317 struct irdma_gather_stats *gather_stats;
5318 struct irdma_gather_stats *last_gather_stats;
5319
5320 gather_stats = vsi->pestat->gather_info.gather_stats_va;
5321 last_gather_stats = vsi->pestat->gather_info.last_gather_stats_va;
5322 irdma_update_stats(&vsi->pestat->hw_stats, gather_stats,
5323 last_gather_stats, vsi->dev->hw_stats_map,
5324 vsi->dev->hw_attrs.max_stat_idx);
5325 }
5326
5327 /**
5328 * irdma_wait_pe_ready - Check if firmware is ready
5329 * @dev: provides access to registers
5330 */
irdma_wait_pe_ready(struct irdma_sc_dev * dev)5331 static int irdma_wait_pe_ready(struct irdma_sc_dev *dev)
5332 {
5333 u32 statuscpu0;
5334 u32 statuscpu1;
5335 u32 statuscpu2;
5336 u32 retrycount = 0;
5337
5338 do {
5339 statuscpu0 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS0]);
5340 statuscpu1 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS1]);
5341 statuscpu2 = readl(dev->hw_regs[IRDMA_GLPE_CPUSTATUS2]);
5342 if (statuscpu0 == 0x80 && statuscpu1 == 0x80 &&
5343 statuscpu2 == 0x80)
5344 return 0;
5345 mdelay(1000);
5346 } while (retrycount++ < dev->hw_attrs.max_pe_ready_count);
5347 return -1;
5348 }
5349
irdma_sc_init_hw(struct irdma_sc_dev * dev)5350 static inline void irdma_sc_init_hw(struct irdma_sc_dev *dev)
5351 {
5352 switch (dev->hw_attrs.uk_attrs.hw_rev) {
5353 case IRDMA_GEN_1:
5354 i40iw_init_hw(dev);
5355 break;
5356 case IRDMA_GEN_2:
5357 icrdma_init_hw(dev);
5358 break;
5359 }
5360 }
5361
5362 /**
5363 * irdma_sc_dev_init - Initialize control part of device
5364 * @ver: version
5365 * @dev: Device pointer
5366 * @info: Device init info
5367 */
irdma_sc_dev_init(enum irdma_vers ver,struct irdma_sc_dev * dev,struct irdma_device_init_info * info)5368 int irdma_sc_dev_init(enum irdma_vers ver, struct irdma_sc_dev *dev,
5369 struct irdma_device_init_info *info)
5370 {
5371 u32 val;
5372 int ret_code = 0;
5373 u8 db_size;
5374
5375 INIT_LIST_HEAD(&dev->cqp_cmd_head); /* for CQP command backlog */
5376 mutex_init(&dev->ws_mutex);
5377 dev->hmc_fn_id = info->hmc_fn_id;
5378 dev->fpm_query_buf_pa = info->fpm_query_buf_pa;
5379 dev->fpm_query_buf = info->fpm_query_buf;
5380 dev->fpm_commit_buf_pa = info->fpm_commit_buf_pa;
5381 dev->fpm_commit_buf = info->fpm_commit_buf;
5382 dev->hw = info->hw;
5383 dev->hw->hw_addr = info->bar0;
5384 /* Setup the hardware limits, hmc may limit further */
5385 dev->hw_attrs.min_hw_qp_id = IRDMA_MIN_IW_QP_ID;
5386 dev->hw_attrs.min_hw_aeq_size = IRDMA_MIN_AEQ_ENTRIES;
5387 dev->hw_attrs.max_hw_aeq_size = IRDMA_MAX_AEQ_ENTRIES;
5388 dev->hw_attrs.min_hw_ceq_size = IRDMA_MIN_CEQ_ENTRIES;
5389 dev->hw_attrs.max_hw_ceq_size = IRDMA_MAX_CEQ_ENTRIES;
5390 dev->hw_attrs.uk_attrs.min_hw_cq_size = IRDMA_MIN_CQ_SIZE;
5391 dev->hw_attrs.uk_attrs.max_hw_cq_size = IRDMA_MAX_CQ_SIZE;
5392 dev->hw_attrs.uk_attrs.max_hw_wq_frags = IRDMA_MAX_WQ_FRAGMENT_COUNT;
5393 dev->hw_attrs.uk_attrs.max_hw_read_sges = IRDMA_MAX_SGE_RD;
5394 dev->hw_attrs.max_hw_outbound_msg_size = IRDMA_MAX_OUTBOUND_MSG_SIZE;
5395 dev->hw_attrs.max_mr_size = IRDMA_MAX_MR_SIZE;
5396 dev->hw_attrs.max_hw_inbound_msg_size = IRDMA_MAX_INBOUND_MSG_SIZE;
5397 dev->hw_attrs.max_hw_device_pages = IRDMA_MAX_PUSH_PAGE_COUNT;
5398 dev->hw_attrs.uk_attrs.max_hw_inline = IRDMA_MAX_INLINE_DATA_SIZE;
5399 dev->hw_attrs.max_hw_wqes = IRDMA_MAX_WQ_ENTRIES;
5400 dev->hw_attrs.max_qp_wr = IRDMA_MAX_QP_WRS(IRDMA_MAX_QUANTA_PER_WR);
5401
5402 dev->hw_attrs.uk_attrs.max_hw_rq_quanta = IRDMA_QP_SW_MAX_RQ_QUANTA;
5403 dev->hw_attrs.uk_attrs.max_hw_wq_quanta = IRDMA_QP_SW_MAX_WQ_QUANTA;
5404 dev->hw_attrs.max_hw_pds = IRDMA_MAX_PDS;
5405 dev->hw_attrs.max_hw_ena_vf_count = IRDMA_MAX_PE_ENA_VF_COUNT;
5406
5407 dev->hw_attrs.max_pe_ready_count = 14;
5408 dev->hw_attrs.max_done_count = IRDMA_DONE_COUNT;
5409 dev->hw_attrs.max_sleep_count = IRDMA_SLEEP_COUNT;
5410 dev->hw_attrs.max_cqp_compl_wait_time_ms = CQP_COMPL_WAIT_TIME_MS;
5411
5412 dev->hw_attrs.uk_attrs.hw_rev = ver;
5413 irdma_sc_init_hw(dev);
5414
5415 if (irdma_wait_pe_ready(dev))
5416 return -ETIMEDOUT;
5417
5418 val = readl(dev->hw_regs[IRDMA_GLPCI_LBARCTRL]);
5419 db_size = (u8)FIELD_GET(IRDMA_GLPCI_LBARCTRL_PE_DB_SIZE, val);
5420 if (db_size != IRDMA_PE_DB_SIZE_4M && db_size != IRDMA_PE_DB_SIZE_8M) {
5421 ibdev_dbg(to_ibdev(dev),
5422 "DEV: RDMA PE doorbell is not enabled in CSR val 0x%x db_size=%d\n",
5423 val, db_size);
5424 return -ENODEV;
5425 }
5426 dev->db_addr = dev->hw->hw_addr + (uintptr_t)dev->hw_regs[IRDMA_DB_ADDR_OFFSET];
5427
5428 return ret_code;
5429 }
5430
5431 /**
5432 * irdma_stat_val - Extract HW counter value from statistics buffer
5433 * @stats_val: pointer to statistics buffer
5434 * @byteoff: byte offset of counter value in the buffer (8B-aligned)
5435 * @bitoff: bit offset of counter value within 8B entry
5436 * @bitmask: maximum counter value (e.g. 0xffffff for 24-bit counter)
5437 */
irdma_stat_val(const u64 * stats_val,u16 byteoff,u8 bitoff,u64 bitmask)5438 static inline u64 irdma_stat_val(const u64 *stats_val, u16 byteoff, u8 bitoff,
5439 u64 bitmask)
5440 {
5441 u16 idx = byteoff / sizeof(*stats_val);
5442
5443 return (stats_val[idx] >> bitoff) & bitmask;
5444 }
5445
5446 /**
5447 * irdma_stat_delta - Calculate counter delta
5448 * @new_val: updated counter value
5449 * @old_val: last counter value
5450 * @max_val: maximum counter value (e.g. 0xffffff for 24-bit counter)
5451 */
irdma_stat_delta(u64 new_val,u64 old_val,u64 max_val)5452 static inline u64 irdma_stat_delta(u64 new_val, u64 old_val, u64 max_val)
5453 {
5454 if (new_val >= old_val)
5455 return new_val - old_val;
5456
5457 /* roll-over case */
5458 return max_val - old_val + new_val + 1;
5459 }
5460
5461 /**
5462 * irdma_update_stats - Update statistics
5463 * @hw_stats: hw_stats instance to update
5464 * @gather_stats: updated stat counters
5465 * @last_gather_stats: last stat counters
5466 * @map: HW stat map (hw_stats => gather_stats)
5467 * @max_stat_idx: number of HW stats
5468 */
irdma_update_stats(struct irdma_dev_hw_stats * hw_stats,struct irdma_gather_stats * gather_stats,struct irdma_gather_stats * last_gather_stats,const struct irdma_hw_stat_map * map,u16 max_stat_idx)5469 void irdma_update_stats(struct irdma_dev_hw_stats *hw_stats,
5470 struct irdma_gather_stats *gather_stats,
5471 struct irdma_gather_stats *last_gather_stats,
5472 const struct irdma_hw_stat_map *map, u16 max_stat_idx)
5473 {
5474 u64 *stats_val = hw_stats->stats_val;
5475 u16 i;
5476
5477 for (i = 0; i < max_stat_idx; i++) {
5478 u64 new_val = irdma_stat_val(gather_stats->val, map[i].byteoff,
5479 map[i].bitoff, map[i].bitmask);
5480 u64 last_val = irdma_stat_val(last_gather_stats->val,
5481 map[i].byteoff, map[i].bitoff,
5482 map[i].bitmask);
5483
5484 stats_val[i] +=
5485 irdma_stat_delta(new_val, last_val, map[i].bitmask);
5486 }
5487
5488 memcpy(last_gather_stats, gather_stats, sizeof(*last_gather_stats));
5489 }
5490