1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 /* QLogic qed NIC Driver
3 * Copyright (c) 2015-2017 QLogic Corporation
4 * Copyright (c) 2019-2020 Marvell International Ltd.
5 */
6
7 #include <linux/types.h>
8 #include <linux/bitops.h>
9 #include <linux/dma-mapping.h>
10 #include <linux/errno.h>
11 #include <linux/kernel.h>
12 #include <linux/list.h>
13 #include <linux/log2.h>
14 #include <linux/pci.h>
15 #include <linux/slab.h>
16 #include <linux/string.h>
17 #include "qed.h"
18 #include "qed_cxt.h"
19 #include "qed_dev_api.h"
20 #include "qed_hsi.h"
21 #include "qed_hw.h"
22 #include "qed_init_ops.h"
23 #include "qed_rdma.h"
24 #include "qed_reg_addr.h"
25 #include "qed_sriov.h"
26
27 /* QM constants */
28 #define QM_PQ_ELEMENT_SIZE 4 /* in bytes */
29
30 /* Doorbell-Queue constants */
31 #define DQ_RANGE_SHIFT 4
32 #define DQ_RANGE_ALIGN BIT(DQ_RANGE_SHIFT)
33
34 /* Searcher constants */
35 #define SRC_MIN_NUM_ELEMS 256
36
37 /* Timers constants */
38 #define TM_SHIFT 7
39 #define TM_ALIGN BIT(TM_SHIFT)
40 #define TM_ELEM_SIZE 4
41
42 #define ILT_DEFAULT_HW_P_SIZE 4
43
44 #define ILT_PAGE_IN_BYTES(hw_p_size) (1U << ((hw_p_size) + 12))
45 #define ILT_CFG_REG(cli, reg) PSWRQ2_REG_ ## cli ## _ ## reg ## _RT_OFFSET
46
47 /* ILT entry structure */
48 #define ILT_ENTRY_PHY_ADDR_MASK (~0ULL >> 12)
49 #define ILT_ENTRY_PHY_ADDR_SHIFT 0
50 #define ILT_ENTRY_VALID_MASK 0x1ULL
51 #define ILT_ENTRY_VALID_SHIFT 52
52 #define ILT_ENTRY_IN_REGS 2
53 #define ILT_REG_SIZE_IN_BYTES 4
54
55 /* connection context union */
56 union conn_context {
57 struct e4_core_conn_context core_ctx;
58 struct e4_eth_conn_context eth_ctx;
59 struct e4_iscsi_conn_context iscsi_ctx;
60 struct e4_fcoe_conn_context fcoe_ctx;
61 struct e4_roce_conn_context roce_ctx;
62 };
63
64 /* TYPE-0 task context - iSCSI, FCOE */
65 union type0_task_context {
66 struct e4_iscsi_task_context iscsi_ctx;
67 struct e4_fcoe_task_context fcoe_ctx;
68 };
69
70 /* TYPE-1 task context - ROCE */
71 union type1_task_context {
72 struct e4_rdma_task_context roce_ctx;
73 };
74
75 struct src_ent {
76 __u8 opaque[56];
77 __be64 next;
78 };
79
80 #define CDUT_SEG_ALIGNMET 3 /* in 4k chunks */
81 #define CDUT_SEG_ALIGNMET_IN_BYTES BIT(CDUT_SEG_ALIGNMET + 12)
82
83 #define CONN_CXT_SIZE(p_hwfn) \
84 ALIGNED_TYPE_SIZE(union conn_context, p_hwfn)
85
86 #define SRQ_CXT_SIZE (sizeof(struct rdma_srq_context))
87 #define XRC_SRQ_CXT_SIZE (sizeof(struct rdma_xrc_srq_context))
88
89 #define TYPE0_TASK_CXT_SIZE(p_hwfn) \
90 ALIGNED_TYPE_SIZE(union type0_task_context, p_hwfn)
91
92 /* Alignment is inherent to the type1_task_context structure */
93 #define TYPE1_TASK_CXT_SIZE(p_hwfn) sizeof(union type1_task_context)
94
src_proto(enum protocol_type type)95 static bool src_proto(enum protocol_type type)
96 {
97 return type == PROTOCOLID_ISCSI ||
98 type == PROTOCOLID_FCOE ||
99 type == PROTOCOLID_IWARP;
100 }
101
tm_cid_proto(enum protocol_type type)102 static bool tm_cid_proto(enum protocol_type type)
103 {
104 return type == PROTOCOLID_ISCSI ||
105 type == PROTOCOLID_FCOE ||
106 type == PROTOCOLID_ROCE ||
107 type == PROTOCOLID_IWARP;
108 }
109
tm_tid_proto(enum protocol_type type)110 static bool tm_tid_proto(enum protocol_type type)
111 {
112 return type == PROTOCOLID_FCOE;
113 }
114
115 /* counts the iids for the CDU/CDUC ILT client configuration */
116 struct qed_cdu_iids {
117 u32 pf_cids;
118 u32 per_vf_cids;
119 };
120
qed_cxt_cdu_iids(struct qed_cxt_mngr *p_mngr, struct qed_cdu_iids *iids)121 static void qed_cxt_cdu_iids(struct qed_cxt_mngr *p_mngr,
122 struct qed_cdu_iids *iids)
123 {
124 u32 type;
125
126 for (type = 0; type < MAX_CONN_TYPES; type++) {
127 iids->pf_cids += p_mngr->conn_cfg[type].cid_count;
128 iids->per_vf_cids += p_mngr->conn_cfg[type].cids_per_vf;
129 }
130 }
131
132 /* counts the iids for the Searcher block configuration */
133 struct qed_src_iids {
134 u32 pf_cids;
135 u32 per_vf_cids;
136 };
137
qed_cxt_src_iids(struct qed_cxt_mngr *p_mngr, struct qed_src_iids *iids)138 static void qed_cxt_src_iids(struct qed_cxt_mngr *p_mngr,
139 struct qed_src_iids *iids)
140 {
141 u32 i;
142
143 for (i = 0; i < MAX_CONN_TYPES; i++) {
144 if (!src_proto(i))
145 continue;
146
147 iids->pf_cids += p_mngr->conn_cfg[i].cid_count;
148 iids->per_vf_cids += p_mngr->conn_cfg[i].cids_per_vf;
149 }
150
151 /* Add L2 filtering filters in addition */
152 iids->pf_cids += p_mngr->arfs_count;
153 }
154
155 /* counts the iids for the Timers block configuration */
156 struct qed_tm_iids {
157 u32 pf_cids;
158 u32 pf_tids[NUM_TASK_PF_SEGMENTS]; /* per segment */
159 u32 pf_tids_total;
160 u32 per_vf_cids;
161 u32 per_vf_tids;
162 };
163
qed_cxt_tm_iids(struct qed_hwfn *p_hwfn, struct qed_cxt_mngr *p_mngr, struct qed_tm_iids *iids)164 static void qed_cxt_tm_iids(struct qed_hwfn *p_hwfn,
165 struct qed_cxt_mngr *p_mngr,
166 struct qed_tm_iids *iids)
167 {
168 bool tm_vf_required = false;
169 bool tm_required = false;
170 int i, j;
171
172 /* Timers is a special case -> we don't count how many cids require
173 * timers but what's the max cid that will be used by the timer block.
174 * therefore we traverse in reverse order, and once we hit a protocol
175 * that requires the timers memory, we'll sum all the protocols up
176 * to that one.
177 */
178 for (i = MAX_CONN_TYPES - 1; i >= 0; i--) {
179 struct qed_conn_type_cfg *p_cfg = &p_mngr->conn_cfg[i];
180
181 if (tm_cid_proto(i) || tm_required) {
182 if (p_cfg->cid_count)
183 tm_required = true;
184
185 iids->pf_cids += p_cfg->cid_count;
186 }
187
188 if (tm_cid_proto(i) || tm_vf_required) {
189 if (p_cfg->cids_per_vf)
190 tm_vf_required = true;
191
192 iids->per_vf_cids += p_cfg->cids_per_vf;
193 }
194
195 if (tm_tid_proto(i)) {
196 struct qed_tid_seg *segs = p_cfg->tid_seg;
197
198 /* for each segment there is at most one
199 * protocol for which count is not 0.
200 */
201 for (j = 0; j < NUM_TASK_PF_SEGMENTS; j++)
202 iids->pf_tids[j] += segs[j].count;
203
204 /* The last array elelment is for the VFs. As for PF
205 * segments there can be only one protocol for
206 * which this value is not 0.
207 */
208 iids->per_vf_tids += segs[NUM_TASK_PF_SEGMENTS].count;
209 }
210 }
211
212 iids->pf_cids = roundup(iids->pf_cids, TM_ALIGN);
213 iids->per_vf_cids = roundup(iids->per_vf_cids, TM_ALIGN);
214 iids->per_vf_tids = roundup(iids->per_vf_tids, TM_ALIGN);
215
216 for (iids->pf_tids_total = 0, j = 0; j < NUM_TASK_PF_SEGMENTS; j++) {
217 iids->pf_tids[j] = roundup(iids->pf_tids[j], TM_ALIGN);
218 iids->pf_tids_total += iids->pf_tids[j];
219 }
220 }
221
qed_cxt_qm_iids(struct qed_hwfn *p_hwfn, struct qed_qm_iids *iids)222 static void qed_cxt_qm_iids(struct qed_hwfn *p_hwfn,
223 struct qed_qm_iids *iids)
224 {
225 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
226 struct qed_tid_seg *segs;
227 u32 vf_cids = 0, type, j;
228 u32 vf_tids = 0;
229
230 for (type = 0; type < MAX_CONN_TYPES; type++) {
231 iids->cids += p_mngr->conn_cfg[type].cid_count;
232 vf_cids += p_mngr->conn_cfg[type].cids_per_vf;
233
234 segs = p_mngr->conn_cfg[type].tid_seg;
235 /* for each segment there is at most one
236 * protocol for which count is not 0.
237 */
238 for (j = 0; j < NUM_TASK_PF_SEGMENTS; j++)
239 iids->tids += segs[j].count;
240
241 /* The last array elelment is for the VFs. As for PF
242 * segments there can be only one protocol for
243 * which this value is not 0.
244 */
245 vf_tids += segs[NUM_TASK_PF_SEGMENTS].count;
246 }
247
248 iids->vf_cids = vf_cids;
249 iids->tids += vf_tids * p_mngr->vf_count;
250
251 DP_VERBOSE(p_hwfn, QED_MSG_ILT,
252 "iids: CIDS %08x vf_cids %08x tids %08x vf_tids %08x\n",
253 iids->cids, iids->vf_cids, iids->tids, vf_tids);
254 }
255
qed_cxt_tid_seg_info(struct qed_hwfn *p_hwfn, u32 seg)256 static struct qed_tid_seg *qed_cxt_tid_seg_info(struct qed_hwfn *p_hwfn,
257 u32 seg)
258 {
259 struct qed_cxt_mngr *p_cfg = p_hwfn->p_cxt_mngr;
260 u32 i;
261
262 /* Find the protocol with tid count > 0 for this segment.
263 * Note: there can only be one and this is already validated.
264 */
265 for (i = 0; i < MAX_CONN_TYPES; i++)
266 if (p_cfg->conn_cfg[i].tid_seg[seg].count)
267 return &p_cfg->conn_cfg[i].tid_seg[seg];
268 return NULL;
269 }
270
qed_cxt_set_srq_count(struct qed_hwfn *p_hwfn, u32 num_srqs, u32 num_xrc_srqs)271 static void qed_cxt_set_srq_count(struct qed_hwfn *p_hwfn,
272 u32 num_srqs, u32 num_xrc_srqs)
273 {
274 struct qed_cxt_mngr *p_mgr = p_hwfn->p_cxt_mngr;
275
276 p_mgr->srq_count = num_srqs;
277 p_mgr->xrc_srq_count = num_xrc_srqs;
278 }
279
qed_cxt_get_ilt_page_size(struct qed_hwfn *p_hwfn, enum ilt_clients ilt_client)280 u32 qed_cxt_get_ilt_page_size(struct qed_hwfn *p_hwfn,
281 enum ilt_clients ilt_client)
282 {
283 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
284 struct qed_ilt_client_cfg *p_cli = &p_mngr->clients[ilt_client];
285
286 return ILT_PAGE_IN_BYTES(p_cli->p_size.val);
287 }
288
qed_cxt_xrc_srqs_per_page(struct qed_hwfn *p_hwfn)289 static u32 qed_cxt_xrc_srqs_per_page(struct qed_hwfn *p_hwfn)
290 {
291 u32 page_size;
292
293 page_size = qed_cxt_get_ilt_page_size(p_hwfn, ILT_CLI_TSDM);
294 return page_size / XRC_SRQ_CXT_SIZE;
295 }
296
qed_cxt_get_total_srq_count(struct qed_hwfn *p_hwfn)297 u32 qed_cxt_get_total_srq_count(struct qed_hwfn *p_hwfn)
298 {
299 struct qed_cxt_mngr *p_mgr = p_hwfn->p_cxt_mngr;
300 u32 total_srqs;
301
302 total_srqs = p_mgr->srq_count + p_mgr->xrc_srq_count;
303
304 return total_srqs;
305 }
306
307 /* set the iids count per protocol */
qed_cxt_set_proto_cid_count(struct qed_hwfn *p_hwfn, enum protocol_type type, u32 cid_count, u32 vf_cid_cnt)308 static void qed_cxt_set_proto_cid_count(struct qed_hwfn *p_hwfn,
309 enum protocol_type type,
310 u32 cid_count, u32 vf_cid_cnt)
311 {
312 struct qed_cxt_mngr *p_mgr = p_hwfn->p_cxt_mngr;
313 struct qed_conn_type_cfg *p_conn = &p_mgr->conn_cfg[type];
314
315 p_conn->cid_count = roundup(cid_count, DQ_RANGE_ALIGN);
316 p_conn->cids_per_vf = roundup(vf_cid_cnt, DQ_RANGE_ALIGN);
317
318 if (type == PROTOCOLID_ROCE) {
319 u32 page_sz = p_mgr->clients[ILT_CLI_CDUC].p_size.val;
320 u32 cxt_size = CONN_CXT_SIZE(p_hwfn);
321 u32 elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
322 u32 align = elems_per_page * DQ_RANGE_ALIGN;
323
324 p_conn->cid_count = roundup(p_conn->cid_count, align);
325 }
326 }
327
qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn, enum protocol_type type, u32 *vf_cid)328 u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn,
329 enum protocol_type type, u32 *vf_cid)
330 {
331 if (vf_cid)
332 *vf_cid = p_hwfn->p_cxt_mngr->conn_cfg[type].cids_per_vf;
333
334 return p_hwfn->p_cxt_mngr->conn_cfg[type].cid_count;
335 }
336
qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn, enum protocol_type type)337 u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn,
338 enum protocol_type type)
339 {
340 return p_hwfn->p_cxt_mngr->acquired[type].start_cid;
341 }
342
qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn, enum protocol_type type)343 u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn,
344 enum protocol_type type)
345 {
346 u32 cnt = 0;
347 int i;
348
349 for (i = 0; i < TASK_SEGMENTS; i++)
350 cnt += p_hwfn->p_cxt_mngr->conn_cfg[type].tid_seg[i].count;
351
352 return cnt;
353 }
354
qed_cxt_set_proto_tid_count(struct qed_hwfn *p_hwfn, enum protocol_type proto, u8 seg, u8 seg_type, u32 count, bool has_fl)355 static void qed_cxt_set_proto_tid_count(struct qed_hwfn *p_hwfn,
356 enum protocol_type proto,
357 u8 seg,
358 u8 seg_type, u32 count, bool has_fl)
359 {
360 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
361 struct qed_tid_seg *p_seg = &p_mngr->conn_cfg[proto].tid_seg[seg];
362
363 p_seg->count = count;
364 p_seg->has_fl_mem = has_fl;
365 p_seg->type = seg_type;
366 }
367
qed_ilt_cli_blk_fill(struct qed_ilt_client_cfg *p_cli, struct qed_ilt_cli_blk *p_blk, u32 start_line, u32 total_size, u32 elem_size)368 static void qed_ilt_cli_blk_fill(struct qed_ilt_client_cfg *p_cli,
369 struct qed_ilt_cli_blk *p_blk,
370 u32 start_line, u32 total_size, u32 elem_size)
371 {
372 u32 ilt_size = ILT_PAGE_IN_BYTES(p_cli->p_size.val);
373
374 /* verify thatits called only once for each block */
375 if (p_blk->total_size)
376 return;
377
378 p_blk->total_size = total_size;
379 p_blk->real_size_in_page = 0;
380 if (elem_size)
381 p_blk->real_size_in_page = (ilt_size / elem_size) * elem_size;
382 p_blk->start_line = start_line;
383 }
384
qed_ilt_cli_adv_line(struct qed_hwfn *p_hwfn, struct qed_ilt_client_cfg *p_cli, struct qed_ilt_cli_blk *p_blk, u32 *p_line, enum ilt_clients client_id)385 static void qed_ilt_cli_adv_line(struct qed_hwfn *p_hwfn,
386 struct qed_ilt_client_cfg *p_cli,
387 struct qed_ilt_cli_blk *p_blk,
388 u32 *p_line, enum ilt_clients client_id)
389 {
390 if (!p_blk->total_size)
391 return;
392
393 if (!p_cli->active)
394 p_cli->first.val = *p_line;
395
396 p_cli->active = true;
397 *p_line += DIV_ROUND_UP(p_blk->total_size, p_blk->real_size_in_page);
398 p_cli->last.val = *p_line - 1;
399
400 DP_VERBOSE(p_hwfn, QED_MSG_ILT,
401 "ILT[Client %d] - Lines: [%08x - %08x]. Block - Size %08x [Real %08x] Start line %d\n",
402 client_id, p_cli->first.val,
403 p_cli->last.val, p_blk->total_size,
404 p_blk->real_size_in_page, p_blk->start_line);
405 }
406
qed_ilt_get_dynamic_line_cnt(struct qed_hwfn *p_hwfn, enum ilt_clients ilt_client)407 static u32 qed_ilt_get_dynamic_line_cnt(struct qed_hwfn *p_hwfn,
408 enum ilt_clients ilt_client)
409 {
410 u32 cid_count = p_hwfn->p_cxt_mngr->conn_cfg[PROTOCOLID_ROCE].cid_count;
411 struct qed_ilt_client_cfg *p_cli;
412 u32 lines_to_skip = 0;
413 u32 cxts_per_p;
414
415 if (ilt_client == ILT_CLI_CDUC) {
416 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC];
417
418 cxts_per_p = ILT_PAGE_IN_BYTES(p_cli->p_size.val) /
419 (u32) CONN_CXT_SIZE(p_hwfn);
420
421 lines_to_skip = cid_count / cxts_per_p;
422 }
423
424 return lines_to_skip;
425 }
426
qed_cxt_set_cli(struct qed_ilt_client_cfg *p_cli)427 static struct qed_ilt_client_cfg *qed_cxt_set_cli(struct qed_ilt_client_cfg
428 *p_cli)
429 {
430 p_cli->active = false;
431 p_cli->first.val = 0;
432 p_cli->last.val = 0;
433 return p_cli;
434 }
435
qed_cxt_set_blk(struct qed_ilt_cli_blk *p_blk)436 static struct qed_ilt_cli_blk *qed_cxt_set_blk(struct qed_ilt_cli_blk *p_blk)
437 {
438 p_blk->total_size = 0;
439 return p_blk;
440 }
441
qed_cxt_ilt_blk_reset(struct qed_hwfn *p_hwfn)442 static void qed_cxt_ilt_blk_reset(struct qed_hwfn *p_hwfn)
443 {
444 struct qed_ilt_client_cfg *clients = p_hwfn->p_cxt_mngr->clients;
445 u32 cli_idx, blk_idx;
446
447 for (cli_idx = 0; cli_idx < MAX_ILT_CLIENTS; cli_idx++) {
448 for (blk_idx = 0; blk_idx < ILT_CLI_PF_BLOCKS; blk_idx++)
449 clients[cli_idx].pf_blks[blk_idx].total_size = 0;
450
451 for (blk_idx = 0; blk_idx < ILT_CLI_VF_BLOCKS; blk_idx++)
452 clients[cli_idx].vf_blks[blk_idx].total_size = 0;
453 }
454 }
455
qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn, u32 *line_count)456 int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn, u32 *line_count)
457 {
458 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
459 u32 curr_line, total, i, task_size, line;
460 struct qed_ilt_client_cfg *p_cli;
461 struct qed_ilt_cli_blk *p_blk;
462 struct qed_cdu_iids cdu_iids;
463 struct qed_src_iids src_iids;
464 struct qed_qm_iids qm_iids;
465 struct qed_tm_iids tm_iids;
466 struct qed_tid_seg *p_seg;
467
468 memset(&qm_iids, 0, sizeof(qm_iids));
469 memset(&cdu_iids, 0, sizeof(cdu_iids));
470 memset(&src_iids, 0, sizeof(src_iids));
471 memset(&tm_iids, 0, sizeof(tm_iids));
472
473 p_mngr->pf_start_line = RESC_START(p_hwfn, QED_ILT);
474
475 /* Reset all ILT blocks at the beginning of ILT computing in order
476 * to prevent memory allocation for irrelevant blocks afterwards.
477 */
478 qed_cxt_ilt_blk_reset(p_hwfn);
479
480 DP_VERBOSE(p_hwfn, QED_MSG_ILT,
481 "hwfn [%d] - Set context manager starting line to be 0x%08x\n",
482 p_hwfn->my_id, p_hwfn->p_cxt_mngr->pf_start_line);
483
484 /* CDUC */
485 p_cli = qed_cxt_set_cli(&p_mngr->clients[ILT_CLI_CDUC]);
486
487 curr_line = p_mngr->pf_start_line;
488
489 /* CDUC PF */
490 p_cli->pf_total_lines = 0;
491
492 /* get the counters for the CDUC and QM clients */
493 qed_cxt_cdu_iids(p_mngr, &cdu_iids);
494
495 p_blk = qed_cxt_set_blk(&p_cli->pf_blks[CDUC_BLK]);
496
497 total = cdu_iids.pf_cids * CONN_CXT_SIZE(p_hwfn);
498
499 qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line,
500 total, CONN_CXT_SIZE(p_hwfn));
501
502 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, ILT_CLI_CDUC);
503 p_cli->pf_total_lines = curr_line - p_blk->start_line;
504
505 p_blk->dynamic_line_cnt = qed_ilt_get_dynamic_line_cnt(p_hwfn,
506 ILT_CLI_CDUC);
507
508 /* CDUC VF */
509 p_blk = qed_cxt_set_blk(&p_cli->vf_blks[CDUC_BLK]);
510 total = cdu_iids.per_vf_cids * CONN_CXT_SIZE(p_hwfn);
511
512 qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line,
513 total, CONN_CXT_SIZE(p_hwfn));
514
515 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, ILT_CLI_CDUC);
516 p_cli->vf_total_lines = curr_line - p_blk->start_line;
517
518 for (i = 1; i < p_mngr->vf_count; i++)
519 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
520 ILT_CLI_CDUC);
521
522 /* CDUT PF */
523 p_cli = qed_cxt_set_cli(&p_mngr->clients[ILT_CLI_CDUT]);
524 p_cli->first.val = curr_line;
525
526 /* first the 'working' task memory */
527 for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
528 p_seg = qed_cxt_tid_seg_info(p_hwfn, i);
529 if (!p_seg || p_seg->count == 0)
530 continue;
531
532 p_blk = qed_cxt_set_blk(&p_cli->pf_blks[CDUT_SEG_BLK(i)]);
533 total = p_seg->count * p_mngr->task_type_size[p_seg->type];
534 qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line, total,
535 p_mngr->task_type_size[p_seg->type]);
536
537 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
538 ILT_CLI_CDUT);
539 }
540
541 /* next the 'init' task memory (forced load memory) */
542 for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
543 p_seg = qed_cxt_tid_seg_info(p_hwfn, i);
544 if (!p_seg || p_seg->count == 0)
545 continue;
546
547 p_blk =
548 qed_cxt_set_blk(&p_cli->pf_blks[CDUT_FL_SEG_BLK(i, PF)]);
549
550 if (!p_seg->has_fl_mem) {
551 /* The segment is active (total size pf 'working'
552 * memory is > 0) but has no FL (forced-load, Init)
553 * memory. Thus:
554 *
555 * 1. The total-size in the corrsponding FL block of
556 * the ILT client is set to 0 - No ILT line are
557 * provisioned and no ILT memory allocated.
558 *
559 * 2. The start-line of said block is set to the
560 * start line of the matching working memory
561 * block in the ILT client. This is later used to
562 * configure the CDU segment offset registers and
563 * results in an FL command for TIDs of this
564 * segement behaves as regular load commands
565 * (loading TIDs from the working memory).
566 */
567 line = p_cli->pf_blks[CDUT_SEG_BLK(i)].start_line;
568
569 qed_ilt_cli_blk_fill(p_cli, p_blk, line, 0, 0);
570 continue;
571 }
572 total = p_seg->count * p_mngr->task_type_size[p_seg->type];
573
574 qed_ilt_cli_blk_fill(p_cli, p_blk,
575 curr_line, total,
576 p_mngr->task_type_size[p_seg->type]);
577
578 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
579 ILT_CLI_CDUT);
580 }
581 p_cli->pf_total_lines = curr_line - p_cli->pf_blks[0].start_line;
582
583 /* CDUT VF */
584 p_seg = qed_cxt_tid_seg_info(p_hwfn, TASK_SEGMENT_VF);
585 if (p_seg && p_seg->count) {
586 /* Stricly speaking we need to iterate over all VF
587 * task segment types, but a VF has only 1 segment
588 */
589
590 /* 'working' memory */
591 total = p_seg->count * p_mngr->task_type_size[p_seg->type];
592
593 p_blk = qed_cxt_set_blk(&p_cli->vf_blks[CDUT_SEG_BLK(0)]);
594 qed_ilt_cli_blk_fill(p_cli, p_blk,
595 curr_line, total,
596 p_mngr->task_type_size[p_seg->type]);
597
598 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
599 ILT_CLI_CDUT);
600
601 /* 'init' memory */
602 p_blk =
603 qed_cxt_set_blk(&p_cli->vf_blks[CDUT_FL_SEG_BLK(0, VF)]);
604 if (!p_seg->has_fl_mem) {
605 /* see comment above */
606 line = p_cli->vf_blks[CDUT_SEG_BLK(0)].start_line;
607 qed_ilt_cli_blk_fill(p_cli, p_blk, line, 0, 0);
608 } else {
609 task_size = p_mngr->task_type_size[p_seg->type];
610 qed_ilt_cli_blk_fill(p_cli, p_blk,
611 curr_line, total, task_size);
612 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
613 ILT_CLI_CDUT);
614 }
615 p_cli->vf_total_lines = curr_line -
616 p_cli->vf_blks[0].start_line;
617
618 /* Now for the rest of the VFs */
619 for (i = 1; i < p_mngr->vf_count; i++) {
620 p_blk = &p_cli->vf_blks[CDUT_SEG_BLK(0)];
621 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
622 ILT_CLI_CDUT);
623
624 p_blk = &p_cli->vf_blks[CDUT_FL_SEG_BLK(0, VF)];
625 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
626 ILT_CLI_CDUT);
627 }
628 }
629
630 /* QM */
631 p_cli = qed_cxt_set_cli(&p_mngr->clients[ILT_CLI_QM]);
632 p_blk = qed_cxt_set_blk(&p_cli->pf_blks[0]);
633
634 qed_cxt_qm_iids(p_hwfn, &qm_iids);
635 total = qed_qm_pf_mem_size(qm_iids.cids,
636 qm_iids.vf_cids, qm_iids.tids,
637 p_hwfn->qm_info.num_pqs,
638 p_hwfn->qm_info.num_vf_pqs);
639
640 DP_VERBOSE(p_hwfn,
641 QED_MSG_ILT,
642 "QM ILT Info, (cids=%d, vf_cids=%d, tids=%d, num_pqs=%d, num_vf_pqs=%d, memory_size=%d)\n",
643 qm_iids.cids,
644 qm_iids.vf_cids,
645 qm_iids.tids,
646 p_hwfn->qm_info.num_pqs, p_hwfn->qm_info.num_vf_pqs, total);
647
648 qed_ilt_cli_blk_fill(p_cli, p_blk,
649 curr_line, total * 0x1000,
650 QM_PQ_ELEMENT_SIZE);
651
652 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, ILT_CLI_QM);
653 p_cli->pf_total_lines = curr_line - p_blk->start_line;
654
655 /* SRC */
656 p_cli = qed_cxt_set_cli(&p_mngr->clients[ILT_CLI_SRC]);
657 qed_cxt_src_iids(p_mngr, &src_iids);
658
659 /* Both the PF and VFs searcher connections are stored in the per PF
660 * database. Thus sum the PF searcher cids and all the VFs searcher
661 * cids.
662 */
663 total = src_iids.pf_cids + src_iids.per_vf_cids * p_mngr->vf_count;
664 if (total) {
665 u32 local_max = max_t(u32, total,
666 SRC_MIN_NUM_ELEMS);
667
668 total = roundup_pow_of_two(local_max);
669
670 p_blk = qed_cxt_set_blk(&p_cli->pf_blks[0]);
671 qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line,
672 total * sizeof(struct src_ent),
673 sizeof(struct src_ent));
674
675 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
676 ILT_CLI_SRC);
677 p_cli->pf_total_lines = curr_line - p_blk->start_line;
678 }
679
680 /* TM PF */
681 p_cli = qed_cxt_set_cli(&p_mngr->clients[ILT_CLI_TM]);
682 qed_cxt_tm_iids(p_hwfn, p_mngr, &tm_iids);
683 total = tm_iids.pf_cids + tm_iids.pf_tids_total;
684 if (total) {
685 p_blk = qed_cxt_set_blk(&p_cli->pf_blks[0]);
686 qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line,
687 total * TM_ELEM_SIZE, TM_ELEM_SIZE);
688
689 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
690 ILT_CLI_TM);
691 p_cli->pf_total_lines = curr_line - p_blk->start_line;
692 }
693
694 /* TM VF */
695 total = tm_iids.per_vf_cids + tm_iids.per_vf_tids;
696 if (total) {
697 p_blk = qed_cxt_set_blk(&p_cli->vf_blks[0]);
698 qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line,
699 total * TM_ELEM_SIZE, TM_ELEM_SIZE);
700
701 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
702 ILT_CLI_TM);
703
704 p_cli->vf_total_lines = curr_line - p_blk->start_line;
705 for (i = 1; i < p_mngr->vf_count; i++)
706 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
707 ILT_CLI_TM);
708 }
709
710 /* TSDM (SRQ CONTEXT) */
711 total = qed_cxt_get_total_srq_count(p_hwfn);
712
713 if (total) {
714 p_cli = qed_cxt_set_cli(&p_mngr->clients[ILT_CLI_TSDM]);
715 p_blk = qed_cxt_set_blk(&p_cli->pf_blks[SRQ_BLK]);
716 qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line,
717 total * SRQ_CXT_SIZE, SRQ_CXT_SIZE);
718
719 qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line,
720 ILT_CLI_TSDM);
721 p_cli->pf_total_lines = curr_line - p_blk->start_line;
722 }
723
724 *line_count = curr_line - p_hwfn->p_cxt_mngr->pf_start_line;
725
726 if (curr_line - p_hwfn->p_cxt_mngr->pf_start_line >
727 RESC_NUM(p_hwfn, QED_ILT))
728 return -EINVAL;
729
730 return 0;
731 }
732
qed_cxt_cfg_ilt_compute_excess(struct qed_hwfn *p_hwfn, u32 used_lines)733 u32 qed_cxt_cfg_ilt_compute_excess(struct qed_hwfn *p_hwfn, u32 used_lines)
734 {
735 struct qed_ilt_client_cfg *p_cli;
736 u32 excess_lines, available_lines;
737 struct qed_cxt_mngr *p_mngr;
738 u32 ilt_page_size, elem_size;
739 struct qed_tid_seg *p_seg;
740 int i;
741
742 available_lines = RESC_NUM(p_hwfn, QED_ILT);
743 excess_lines = used_lines - available_lines;
744
745 if (!excess_lines)
746 return 0;
747
748 if (!QED_IS_RDMA_PERSONALITY(p_hwfn))
749 return 0;
750
751 p_mngr = p_hwfn->p_cxt_mngr;
752 p_cli = &p_mngr->clients[ILT_CLI_CDUT];
753 ilt_page_size = ILT_PAGE_IN_BYTES(p_cli->p_size.val);
754
755 for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
756 p_seg = qed_cxt_tid_seg_info(p_hwfn, i);
757 if (!p_seg || p_seg->count == 0)
758 continue;
759
760 elem_size = p_mngr->task_type_size[p_seg->type];
761 if (!elem_size)
762 continue;
763
764 return (ilt_page_size / elem_size) * excess_lines;
765 }
766
767 DP_NOTICE(p_hwfn, "failed computing excess ILT lines\n");
768 return 0;
769 }
770
qed_cxt_src_t2_free(struct qed_hwfn *p_hwfn)771 static void qed_cxt_src_t2_free(struct qed_hwfn *p_hwfn)
772 {
773 struct qed_src_t2 *p_t2 = &p_hwfn->p_cxt_mngr->src_t2;
774 u32 i;
775
776 if (!p_t2 || !p_t2->dma_mem)
777 return;
778
779 for (i = 0; i < p_t2->num_pages; i++)
780 if (p_t2->dma_mem[i].virt_addr)
781 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
782 p_t2->dma_mem[i].size,
783 p_t2->dma_mem[i].virt_addr,
784 p_t2->dma_mem[i].phys_addr);
785
786 kfree(p_t2->dma_mem);
787 p_t2->dma_mem = NULL;
788 }
789
790 static int
qed_cxt_t2_alloc_pages(struct qed_hwfn *p_hwfn, struct qed_src_t2 *p_t2, u32 total_size, u32 page_size)791 qed_cxt_t2_alloc_pages(struct qed_hwfn *p_hwfn,
792 struct qed_src_t2 *p_t2, u32 total_size, u32 page_size)
793 {
794 void **p_virt;
795 u32 size, i;
796
797 if (!p_t2 || !p_t2->dma_mem)
798 return -EINVAL;
799
800 for (i = 0; i < p_t2->num_pages; i++) {
801 size = min_t(u32, total_size, page_size);
802 p_virt = &p_t2->dma_mem[i].virt_addr;
803
804 *p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
805 size,
806 &p_t2->dma_mem[i].phys_addr,
807 GFP_KERNEL);
808 if (!p_t2->dma_mem[i].virt_addr)
809 return -ENOMEM;
810
811 memset(*p_virt, 0, size);
812 p_t2->dma_mem[i].size = size;
813 total_size -= size;
814 }
815
816 return 0;
817 }
818
qed_cxt_src_t2_alloc(struct qed_hwfn *p_hwfn)819 static int qed_cxt_src_t2_alloc(struct qed_hwfn *p_hwfn)
820 {
821 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
822 u32 conn_num, total_size, ent_per_page, psz, i;
823 struct phys_mem_desc *p_t2_last_page;
824 struct qed_ilt_client_cfg *p_src;
825 struct qed_src_iids src_iids;
826 struct qed_src_t2 *p_t2;
827 int rc;
828
829 memset(&src_iids, 0, sizeof(src_iids));
830
831 /* if the SRC ILT client is inactive - there are no connection
832 * requiring the searcer, leave.
833 */
834 p_src = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_SRC];
835 if (!p_src->active)
836 return 0;
837
838 qed_cxt_src_iids(p_mngr, &src_iids);
839 conn_num = src_iids.pf_cids + src_iids.per_vf_cids * p_mngr->vf_count;
840 total_size = conn_num * sizeof(struct src_ent);
841
842 /* use the same page size as the SRC ILT client */
843 psz = ILT_PAGE_IN_BYTES(p_src->p_size.val);
844 p_t2 = &p_mngr->src_t2;
845 p_t2->num_pages = DIV_ROUND_UP(total_size, psz);
846
847 /* allocate t2 */
848 p_t2->dma_mem = kcalloc(p_t2->num_pages, sizeof(struct phys_mem_desc),
849 GFP_KERNEL);
850 if (!p_t2->dma_mem) {
851 DP_NOTICE(p_hwfn, "Failed to allocate t2 table\n");
852 rc = -ENOMEM;
853 goto t2_fail;
854 }
855
856 rc = qed_cxt_t2_alloc_pages(p_hwfn, p_t2, total_size, psz);
857 if (rc)
858 goto t2_fail;
859
860 /* Set the t2 pointers */
861
862 /* entries per page - must be a power of two */
863 ent_per_page = psz / sizeof(struct src_ent);
864
865 p_t2->first_free = (u64)p_t2->dma_mem[0].phys_addr;
866
867 p_t2_last_page = &p_t2->dma_mem[(conn_num - 1) / ent_per_page];
868 p_t2->last_free = (u64)p_t2_last_page->phys_addr +
869 ((conn_num - 1) & (ent_per_page - 1)) * sizeof(struct src_ent);
870
871 for (i = 0; i < p_t2->num_pages; i++) {
872 u32 ent_num = min_t(u32,
873 ent_per_page,
874 conn_num);
875 struct src_ent *entries = p_t2->dma_mem[i].virt_addr;
876 u64 p_ent_phys = (u64)p_t2->dma_mem[i].phys_addr, val;
877 u32 j;
878
879 for (j = 0; j < ent_num - 1; j++) {
880 val = p_ent_phys + (j + 1) * sizeof(struct src_ent);
881 entries[j].next = cpu_to_be64(val);
882 }
883
884 if (i < p_t2->num_pages - 1)
885 val = (u64)p_t2->dma_mem[i + 1].phys_addr;
886 else
887 val = 0;
888 entries[j].next = cpu_to_be64(val);
889
890 conn_num -= ent_num;
891 }
892
893 return 0;
894
895 t2_fail:
896 qed_cxt_src_t2_free(p_hwfn);
897 return rc;
898 }
899
900 #define for_each_ilt_valid_client(pos, clients) \
901 for (pos = 0; pos < MAX_ILT_CLIENTS; pos++) \
902 if (!clients[pos].active) { \
903 continue; \
904 } else \
905
906 /* Total number of ILT lines used by this PF */
qed_cxt_ilt_shadow_size(struct qed_ilt_client_cfg *ilt_clients)907 static u32 qed_cxt_ilt_shadow_size(struct qed_ilt_client_cfg *ilt_clients)
908 {
909 u32 size = 0;
910 u32 i;
911
912 for_each_ilt_valid_client(i, ilt_clients)
913 size += (ilt_clients[i].last.val - ilt_clients[i].first.val + 1);
914
915 return size;
916 }
917
qed_ilt_shadow_free(struct qed_hwfn *p_hwfn)918 static void qed_ilt_shadow_free(struct qed_hwfn *p_hwfn)
919 {
920 struct qed_ilt_client_cfg *p_cli = p_hwfn->p_cxt_mngr->clients;
921 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
922 u32 ilt_size, i;
923
924 ilt_size = qed_cxt_ilt_shadow_size(p_cli);
925
926 for (i = 0; p_mngr->ilt_shadow && i < ilt_size; i++) {
927 struct phys_mem_desc *p_dma = &p_mngr->ilt_shadow[i];
928
929 if (p_dma->virt_addr)
930 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
931 p_dma->size, p_dma->virt_addr,
932 p_dma->phys_addr);
933 p_dma->virt_addr = NULL;
934 }
935 kfree(p_mngr->ilt_shadow);
936 p_mngr->ilt_shadow = NULL;
937 }
938
qed_ilt_blk_alloc(struct qed_hwfn *p_hwfn, struct qed_ilt_cli_blk *p_blk, enum ilt_clients ilt_client, u32 start_line_offset)939 static int qed_ilt_blk_alloc(struct qed_hwfn *p_hwfn,
940 struct qed_ilt_cli_blk *p_blk,
941 enum ilt_clients ilt_client,
942 u32 start_line_offset)
943 {
944 struct phys_mem_desc *ilt_shadow = p_hwfn->p_cxt_mngr->ilt_shadow;
945 u32 lines, line, sz_left, lines_to_skip = 0;
946
947 /* Special handling for RoCE that supports dynamic allocation */
948 if (QED_IS_RDMA_PERSONALITY(p_hwfn) &&
949 ((ilt_client == ILT_CLI_CDUT) || ilt_client == ILT_CLI_TSDM))
950 return 0;
951
952 lines_to_skip = p_blk->dynamic_line_cnt;
953
954 if (!p_blk->total_size)
955 return 0;
956
957 sz_left = p_blk->total_size;
958 lines = DIV_ROUND_UP(sz_left, p_blk->real_size_in_page) - lines_to_skip;
959 line = p_blk->start_line + start_line_offset -
960 p_hwfn->p_cxt_mngr->pf_start_line + lines_to_skip;
961
962 for (; lines; lines--) {
963 dma_addr_t p_phys;
964 void *p_virt;
965 u32 size;
966
967 size = min_t(u32, sz_left, p_blk->real_size_in_page);
968 p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, size,
969 &p_phys, GFP_KERNEL);
970 if (!p_virt)
971 return -ENOMEM;
972
973 ilt_shadow[line].phys_addr = p_phys;
974 ilt_shadow[line].virt_addr = p_virt;
975 ilt_shadow[line].size = size;
976
977 DP_VERBOSE(p_hwfn, QED_MSG_ILT,
978 "ILT shadow: Line [%d] Physical 0x%llx Virtual %p Size %d\n",
979 line, (u64)p_phys, p_virt, size);
980
981 sz_left -= size;
982 line++;
983 }
984
985 return 0;
986 }
987
qed_ilt_shadow_alloc(struct qed_hwfn *p_hwfn)988 static int qed_ilt_shadow_alloc(struct qed_hwfn *p_hwfn)
989 {
990 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
991 struct qed_ilt_client_cfg *clients = p_mngr->clients;
992 struct qed_ilt_cli_blk *p_blk;
993 u32 size, i, j, k;
994 int rc;
995
996 size = qed_cxt_ilt_shadow_size(clients);
997 p_mngr->ilt_shadow = kcalloc(size, sizeof(struct phys_mem_desc),
998 GFP_KERNEL);
999 if (!p_mngr->ilt_shadow) {
1000 rc = -ENOMEM;
1001 goto ilt_shadow_fail;
1002 }
1003
1004 DP_VERBOSE(p_hwfn, QED_MSG_ILT,
1005 "Allocated 0x%x bytes for ilt shadow\n",
1006 (u32)(size * sizeof(struct phys_mem_desc)));
1007
1008 for_each_ilt_valid_client(i, clients) {
1009 for (j = 0; j < ILT_CLI_PF_BLOCKS; j++) {
1010 p_blk = &clients[i].pf_blks[j];
1011 rc = qed_ilt_blk_alloc(p_hwfn, p_blk, i, 0);
1012 if (rc)
1013 goto ilt_shadow_fail;
1014 }
1015 for (k = 0; k < p_mngr->vf_count; k++) {
1016 for (j = 0; j < ILT_CLI_VF_BLOCKS; j++) {
1017 u32 lines = clients[i].vf_total_lines * k;
1018
1019 p_blk = &clients[i].vf_blks[j];
1020 rc = qed_ilt_blk_alloc(p_hwfn, p_blk, i, lines);
1021 if (rc)
1022 goto ilt_shadow_fail;
1023 }
1024 }
1025 }
1026
1027 return 0;
1028
1029 ilt_shadow_fail:
1030 qed_ilt_shadow_free(p_hwfn);
1031 return rc;
1032 }
1033
qed_cid_map_free(struct qed_hwfn *p_hwfn)1034 static void qed_cid_map_free(struct qed_hwfn *p_hwfn)
1035 {
1036 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1037 u32 type, vf;
1038
1039 for (type = 0; type < MAX_CONN_TYPES; type++) {
1040 kfree(p_mngr->acquired[type].cid_map);
1041 p_mngr->acquired[type].max_count = 0;
1042 p_mngr->acquired[type].start_cid = 0;
1043
1044 for (vf = 0; vf < MAX_NUM_VFS; vf++) {
1045 kfree(p_mngr->acquired_vf[type][vf].cid_map);
1046 p_mngr->acquired_vf[type][vf].max_count = 0;
1047 p_mngr->acquired_vf[type][vf].start_cid = 0;
1048 }
1049 }
1050 }
1051
1052 static int
qed_cid_map_alloc_single(struct qed_hwfn *p_hwfn, u32 type, u32 cid_start, u32 cid_count, struct qed_cid_acquired_map *p_map)1053 qed_cid_map_alloc_single(struct qed_hwfn *p_hwfn,
1054 u32 type,
1055 u32 cid_start,
1056 u32 cid_count, struct qed_cid_acquired_map *p_map)
1057 {
1058 u32 size;
1059
1060 if (!cid_count)
1061 return 0;
1062
1063 size = DIV_ROUND_UP(cid_count,
1064 sizeof(unsigned long) * BITS_PER_BYTE) *
1065 sizeof(unsigned long);
1066 p_map->cid_map = kzalloc(size, GFP_KERNEL);
1067 if (!p_map->cid_map)
1068 return -ENOMEM;
1069
1070 p_map->max_count = cid_count;
1071 p_map->start_cid = cid_start;
1072
1073 DP_VERBOSE(p_hwfn, QED_MSG_CXT,
1074 "Type %08x start: %08x count %08x\n",
1075 type, p_map->start_cid, p_map->max_count);
1076
1077 return 0;
1078 }
1079
qed_cid_map_alloc(struct qed_hwfn *p_hwfn)1080 static int qed_cid_map_alloc(struct qed_hwfn *p_hwfn)
1081 {
1082 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1083 u32 start_cid = 0, vf_start_cid = 0;
1084 u32 type, vf;
1085
1086 for (type = 0; type < MAX_CONN_TYPES; type++) {
1087 struct qed_conn_type_cfg *p_cfg = &p_mngr->conn_cfg[type];
1088 struct qed_cid_acquired_map *p_map;
1089
1090 /* Handle PF maps */
1091 p_map = &p_mngr->acquired[type];
1092 if (qed_cid_map_alloc_single(p_hwfn, type, start_cid,
1093 p_cfg->cid_count, p_map))
1094 goto cid_map_fail;
1095
1096 /* Handle VF maps */
1097 for (vf = 0; vf < MAX_NUM_VFS; vf++) {
1098 p_map = &p_mngr->acquired_vf[type][vf];
1099 if (qed_cid_map_alloc_single(p_hwfn, type,
1100 vf_start_cid,
1101 p_cfg->cids_per_vf, p_map))
1102 goto cid_map_fail;
1103 }
1104
1105 start_cid += p_cfg->cid_count;
1106 vf_start_cid += p_cfg->cids_per_vf;
1107 }
1108
1109 return 0;
1110
1111 cid_map_fail:
1112 qed_cid_map_free(p_hwfn);
1113 return -ENOMEM;
1114 }
1115
qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn)1116 int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn)
1117 {
1118 struct qed_ilt_client_cfg *clients;
1119 struct qed_cxt_mngr *p_mngr;
1120 u32 i;
1121
1122 p_mngr = kzalloc(sizeof(*p_mngr), GFP_KERNEL);
1123 if (!p_mngr)
1124 return -ENOMEM;
1125
1126 /* Initialize ILT client registers */
1127 clients = p_mngr->clients;
1128 clients[ILT_CLI_CDUC].first.reg = ILT_CFG_REG(CDUC, FIRST_ILT);
1129 clients[ILT_CLI_CDUC].last.reg = ILT_CFG_REG(CDUC, LAST_ILT);
1130 clients[ILT_CLI_CDUC].p_size.reg = ILT_CFG_REG(CDUC, P_SIZE);
1131
1132 clients[ILT_CLI_QM].first.reg = ILT_CFG_REG(QM, FIRST_ILT);
1133 clients[ILT_CLI_QM].last.reg = ILT_CFG_REG(QM, LAST_ILT);
1134 clients[ILT_CLI_QM].p_size.reg = ILT_CFG_REG(QM, P_SIZE);
1135
1136 clients[ILT_CLI_TM].first.reg = ILT_CFG_REG(TM, FIRST_ILT);
1137 clients[ILT_CLI_TM].last.reg = ILT_CFG_REG(TM, LAST_ILT);
1138 clients[ILT_CLI_TM].p_size.reg = ILT_CFG_REG(TM, P_SIZE);
1139
1140 clients[ILT_CLI_SRC].first.reg = ILT_CFG_REG(SRC, FIRST_ILT);
1141 clients[ILT_CLI_SRC].last.reg = ILT_CFG_REG(SRC, LAST_ILT);
1142 clients[ILT_CLI_SRC].p_size.reg = ILT_CFG_REG(SRC, P_SIZE);
1143
1144 clients[ILT_CLI_CDUT].first.reg = ILT_CFG_REG(CDUT, FIRST_ILT);
1145 clients[ILT_CLI_CDUT].last.reg = ILT_CFG_REG(CDUT, LAST_ILT);
1146 clients[ILT_CLI_CDUT].p_size.reg = ILT_CFG_REG(CDUT, P_SIZE);
1147
1148 clients[ILT_CLI_TSDM].first.reg = ILT_CFG_REG(TSDM, FIRST_ILT);
1149 clients[ILT_CLI_TSDM].last.reg = ILT_CFG_REG(TSDM, LAST_ILT);
1150 clients[ILT_CLI_TSDM].p_size.reg = ILT_CFG_REG(TSDM, P_SIZE);
1151 /* default ILT page size for all clients is 64K */
1152 for (i = 0; i < MAX_ILT_CLIENTS; i++)
1153 p_mngr->clients[i].p_size.val = ILT_DEFAULT_HW_P_SIZE;
1154
1155 p_mngr->conn_ctx_size = CONN_CXT_SIZE(p_hwfn);
1156
1157 /* Initialize task sizes */
1158 p_mngr->task_type_size[0] = TYPE0_TASK_CXT_SIZE(p_hwfn);
1159 p_mngr->task_type_size[1] = TYPE1_TASK_CXT_SIZE(p_hwfn);
1160
1161 if (p_hwfn->cdev->p_iov_info) {
1162 p_mngr->vf_count = p_hwfn->cdev->p_iov_info->total_vfs;
1163 p_mngr->first_vf_in_pf =
1164 p_hwfn->cdev->p_iov_info->first_vf_in_pf;
1165 }
1166 /* Initialize the dynamic ILT allocation mutex */
1167 mutex_init(&p_mngr->mutex);
1168
1169 /* Set the cxt mangr pointer priori to further allocations */
1170 p_hwfn->p_cxt_mngr = p_mngr;
1171
1172 return 0;
1173 }
1174
qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn)1175 int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn)
1176 {
1177 int rc;
1178
1179 /* Allocate the ILT shadow table */
1180 rc = qed_ilt_shadow_alloc(p_hwfn);
1181 if (rc)
1182 goto tables_alloc_fail;
1183
1184 /* Allocate the T2 table */
1185 rc = qed_cxt_src_t2_alloc(p_hwfn);
1186 if (rc)
1187 goto tables_alloc_fail;
1188
1189 /* Allocate and initialize the acquired cids bitmaps */
1190 rc = qed_cid_map_alloc(p_hwfn);
1191 if (rc)
1192 goto tables_alloc_fail;
1193
1194 return 0;
1195
1196 tables_alloc_fail:
1197 qed_cxt_mngr_free(p_hwfn);
1198 return rc;
1199 }
1200
qed_cxt_mngr_free(struct qed_hwfn *p_hwfn)1201 void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn)
1202 {
1203 if (!p_hwfn->p_cxt_mngr)
1204 return;
1205
1206 qed_cid_map_free(p_hwfn);
1207 qed_cxt_src_t2_free(p_hwfn);
1208 qed_ilt_shadow_free(p_hwfn);
1209 kfree(p_hwfn->p_cxt_mngr);
1210
1211 p_hwfn->p_cxt_mngr = NULL;
1212 }
1213
qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn)1214 void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn)
1215 {
1216 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1217 struct qed_cid_acquired_map *p_map;
1218 struct qed_conn_type_cfg *p_cfg;
1219 int type;
1220 u32 len;
1221
1222 /* Reset acquired cids */
1223 for (type = 0; type < MAX_CONN_TYPES; type++) {
1224 u32 vf;
1225
1226 p_cfg = &p_mngr->conn_cfg[type];
1227 if (p_cfg->cid_count) {
1228 p_map = &p_mngr->acquired[type];
1229 len = DIV_ROUND_UP(p_map->max_count,
1230 sizeof(unsigned long) *
1231 BITS_PER_BYTE) *
1232 sizeof(unsigned long);
1233 memset(p_map->cid_map, 0, len);
1234 }
1235
1236 if (!p_cfg->cids_per_vf)
1237 continue;
1238
1239 for (vf = 0; vf < MAX_NUM_VFS; vf++) {
1240 p_map = &p_mngr->acquired_vf[type][vf];
1241 len = DIV_ROUND_UP(p_map->max_count,
1242 sizeof(unsigned long) *
1243 BITS_PER_BYTE) *
1244 sizeof(unsigned long);
1245 memset(p_map->cid_map, 0, len);
1246 }
1247 }
1248 }
1249
1250 /* CDU Common */
1251 #define CDUC_CXT_SIZE_SHIFT \
1252 CDU_REG_CID_ADDR_PARAMS_CONTEXT_SIZE_SHIFT
1253
1254 #define CDUC_CXT_SIZE_MASK \
1255 (CDU_REG_CID_ADDR_PARAMS_CONTEXT_SIZE >> CDUC_CXT_SIZE_SHIFT)
1256
1257 #define CDUC_BLOCK_WASTE_SHIFT \
1258 CDU_REG_CID_ADDR_PARAMS_BLOCK_WASTE_SHIFT
1259
1260 #define CDUC_BLOCK_WASTE_MASK \
1261 (CDU_REG_CID_ADDR_PARAMS_BLOCK_WASTE >> CDUC_BLOCK_WASTE_SHIFT)
1262
1263 #define CDUC_NCIB_SHIFT \
1264 CDU_REG_CID_ADDR_PARAMS_NCIB_SHIFT
1265
1266 #define CDUC_NCIB_MASK \
1267 (CDU_REG_CID_ADDR_PARAMS_NCIB >> CDUC_NCIB_SHIFT)
1268
1269 #define CDUT_TYPE0_CXT_SIZE_SHIFT \
1270 CDU_REG_SEGMENT0_PARAMS_T0_TID_SIZE_SHIFT
1271
1272 #define CDUT_TYPE0_CXT_SIZE_MASK \
1273 (CDU_REG_SEGMENT0_PARAMS_T0_TID_SIZE >> \
1274 CDUT_TYPE0_CXT_SIZE_SHIFT)
1275
1276 #define CDUT_TYPE0_BLOCK_WASTE_SHIFT \
1277 CDU_REG_SEGMENT0_PARAMS_T0_TID_BLOCK_WASTE_SHIFT
1278
1279 #define CDUT_TYPE0_BLOCK_WASTE_MASK \
1280 (CDU_REG_SEGMENT0_PARAMS_T0_TID_BLOCK_WASTE >> \
1281 CDUT_TYPE0_BLOCK_WASTE_SHIFT)
1282
1283 #define CDUT_TYPE0_NCIB_SHIFT \
1284 CDU_REG_SEGMENT0_PARAMS_T0_NUM_TIDS_IN_BLOCK_SHIFT
1285
1286 #define CDUT_TYPE0_NCIB_MASK \
1287 (CDU_REG_SEGMENT0_PARAMS_T0_NUM_TIDS_IN_BLOCK >> \
1288 CDUT_TYPE0_NCIB_SHIFT)
1289
1290 #define CDUT_TYPE1_CXT_SIZE_SHIFT \
1291 CDU_REG_SEGMENT1_PARAMS_T1_TID_SIZE_SHIFT
1292
1293 #define CDUT_TYPE1_CXT_SIZE_MASK \
1294 (CDU_REG_SEGMENT1_PARAMS_T1_TID_SIZE >> \
1295 CDUT_TYPE1_CXT_SIZE_SHIFT)
1296
1297 #define CDUT_TYPE1_BLOCK_WASTE_SHIFT \
1298 CDU_REG_SEGMENT1_PARAMS_T1_TID_BLOCK_WASTE_SHIFT
1299
1300 #define CDUT_TYPE1_BLOCK_WASTE_MASK \
1301 (CDU_REG_SEGMENT1_PARAMS_T1_TID_BLOCK_WASTE >> \
1302 CDUT_TYPE1_BLOCK_WASTE_SHIFT)
1303
1304 #define CDUT_TYPE1_NCIB_SHIFT \
1305 CDU_REG_SEGMENT1_PARAMS_T1_NUM_TIDS_IN_BLOCK_SHIFT
1306
1307 #define CDUT_TYPE1_NCIB_MASK \
1308 (CDU_REG_SEGMENT1_PARAMS_T1_NUM_TIDS_IN_BLOCK >> \
1309 CDUT_TYPE1_NCIB_SHIFT)
1310
qed_cdu_init_common(struct qed_hwfn *p_hwfn)1311 static void qed_cdu_init_common(struct qed_hwfn *p_hwfn)
1312 {
1313 u32 page_sz, elems_per_page, block_waste, cxt_size, cdu_params = 0;
1314
1315 /* CDUC - connection configuration */
1316 page_sz = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC].p_size.val;
1317 cxt_size = CONN_CXT_SIZE(p_hwfn);
1318 elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
1319 block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size;
1320
1321 SET_FIELD(cdu_params, CDUC_CXT_SIZE, cxt_size);
1322 SET_FIELD(cdu_params, CDUC_BLOCK_WASTE, block_waste);
1323 SET_FIELD(cdu_params, CDUC_NCIB, elems_per_page);
1324 STORE_RT_REG(p_hwfn, CDU_REG_CID_ADDR_PARAMS_RT_OFFSET, cdu_params);
1325
1326 /* CDUT - type-0 tasks configuration */
1327 page_sz = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT].p_size.val;
1328 cxt_size = p_hwfn->p_cxt_mngr->task_type_size[0];
1329 elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
1330 block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size;
1331
1332 /* cxt size and block-waste are multipes of 8 */
1333 cdu_params = 0;
1334 SET_FIELD(cdu_params, CDUT_TYPE0_CXT_SIZE, (cxt_size >> 3));
1335 SET_FIELD(cdu_params, CDUT_TYPE0_BLOCK_WASTE, (block_waste >> 3));
1336 SET_FIELD(cdu_params, CDUT_TYPE0_NCIB, elems_per_page);
1337 STORE_RT_REG(p_hwfn, CDU_REG_SEGMENT0_PARAMS_RT_OFFSET, cdu_params);
1338
1339 /* CDUT - type-1 tasks configuration */
1340 cxt_size = p_hwfn->p_cxt_mngr->task_type_size[1];
1341 elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
1342 block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size;
1343
1344 /* cxt size and block-waste are multipes of 8 */
1345 cdu_params = 0;
1346 SET_FIELD(cdu_params, CDUT_TYPE1_CXT_SIZE, (cxt_size >> 3));
1347 SET_FIELD(cdu_params, CDUT_TYPE1_BLOCK_WASTE, (block_waste >> 3));
1348 SET_FIELD(cdu_params, CDUT_TYPE1_NCIB, elems_per_page);
1349 STORE_RT_REG(p_hwfn, CDU_REG_SEGMENT1_PARAMS_RT_OFFSET, cdu_params);
1350 }
1351
1352 /* CDU PF */
1353 #define CDU_SEG_REG_TYPE_SHIFT CDU_SEG_TYPE_OFFSET_REG_TYPE_SHIFT
1354 #define CDU_SEG_REG_TYPE_MASK 0x1
1355 #define CDU_SEG_REG_OFFSET_SHIFT 0
1356 #define CDU_SEG_REG_OFFSET_MASK CDU_SEG_TYPE_OFFSET_REG_OFFSET_MASK
1357
qed_cdu_init_pf(struct qed_hwfn *p_hwfn)1358 static void qed_cdu_init_pf(struct qed_hwfn *p_hwfn)
1359 {
1360 struct qed_ilt_client_cfg *p_cli;
1361 struct qed_tid_seg *p_seg;
1362 u32 cdu_seg_params, offset;
1363 int i;
1364
1365 static const u32 rt_type_offset_arr[] = {
1366 CDU_REG_PF_SEG0_TYPE_OFFSET_RT_OFFSET,
1367 CDU_REG_PF_SEG1_TYPE_OFFSET_RT_OFFSET,
1368 CDU_REG_PF_SEG2_TYPE_OFFSET_RT_OFFSET,
1369 CDU_REG_PF_SEG3_TYPE_OFFSET_RT_OFFSET
1370 };
1371
1372 static const u32 rt_type_offset_fl_arr[] = {
1373 CDU_REG_PF_FL_SEG0_TYPE_OFFSET_RT_OFFSET,
1374 CDU_REG_PF_FL_SEG1_TYPE_OFFSET_RT_OFFSET,
1375 CDU_REG_PF_FL_SEG2_TYPE_OFFSET_RT_OFFSET,
1376 CDU_REG_PF_FL_SEG3_TYPE_OFFSET_RT_OFFSET
1377 };
1378
1379 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
1380
1381 /* There are initializations only for CDUT during pf Phase */
1382 for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
1383 /* Segment 0 */
1384 p_seg = qed_cxt_tid_seg_info(p_hwfn, i);
1385 if (!p_seg)
1386 continue;
1387
1388 /* Note: start_line is already adjusted for the CDU
1389 * segment register granularity, so we just need to
1390 * divide. Adjustment is implicit as we assume ILT
1391 * Page size is larger than 32K!
1392 */
1393 offset = (ILT_PAGE_IN_BYTES(p_cli->p_size.val) *
1394 (p_cli->pf_blks[CDUT_SEG_BLK(i)].start_line -
1395 p_cli->first.val)) / CDUT_SEG_ALIGNMET_IN_BYTES;
1396
1397 cdu_seg_params = 0;
1398 SET_FIELD(cdu_seg_params, CDU_SEG_REG_TYPE, p_seg->type);
1399 SET_FIELD(cdu_seg_params, CDU_SEG_REG_OFFSET, offset);
1400 STORE_RT_REG(p_hwfn, rt_type_offset_arr[i], cdu_seg_params);
1401
1402 offset = (ILT_PAGE_IN_BYTES(p_cli->p_size.val) *
1403 (p_cli->pf_blks[CDUT_FL_SEG_BLK(i, PF)].start_line -
1404 p_cli->first.val)) / CDUT_SEG_ALIGNMET_IN_BYTES;
1405
1406 cdu_seg_params = 0;
1407 SET_FIELD(cdu_seg_params, CDU_SEG_REG_TYPE, p_seg->type);
1408 SET_FIELD(cdu_seg_params, CDU_SEG_REG_OFFSET, offset);
1409 STORE_RT_REG(p_hwfn, rt_type_offset_fl_arr[i], cdu_seg_params);
1410 }
1411 }
1412
qed_qm_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool is_pf_loading)1413 void qed_qm_init_pf(struct qed_hwfn *p_hwfn,
1414 struct qed_ptt *p_ptt, bool is_pf_loading)
1415 {
1416 struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1417 struct qed_qm_pf_rt_init_params params;
1418 struct qed_qm_iids iids;
1419
1420 memset(&iids, 0, sizeof(iids));
1421 qed_cxt_qm_iids(p_hwfn, &iids);
1422
1423 memset(¶ms, 0, sizeof(params));
1424 params.port_id = p_hwfn->port_id;
1425 params.pf_id = p_hwfn->rel_pf_id;
1426 params.max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port;
1427 params.is_pf_loading = is_pf_loading;
1428 params.num_pf_cids = iids.cids;
1429 params.num_vf_cids = iids.vf_cids;
1430 params.num_tids = iids.tids;
1431 params.start_pq = qm_info->start_pq;
1432 params.num_pf_pqs = qm_info->num_pqs - qm_info->num_vf_pqs;
1433 params.num_vf_pqs = qm_info->num_vf_pqs;
1434 params.start_vport = qm_info->start_vport;
1435 params.num_vports = qm_info->num_vports;
1436 params.pf_wfq = qm_info->pf_wfq;
1437 params.pf_rl = qm_info->pf_rl;
1438 params.pq_params = qm_info->qm_pq_params;
1439 params.vport_params = qm_info->qm_vport_params;
1440
1441 qed_qm_pf_rt_init(p_hwfn, p_ptt, ¶ms);
1442 }
1443
1444 /* CM PF */
qed_cm_init_pf(struct qed_hwfn *p_hwfn)1445 static void qed_cm_init_pf(struct qed_hwfn *p_hwfn)
1446 {
1447 /* XCM pure-LB queue */
1448 STORE_RT_REG(p_hwfn, XCM_REG_CON_PHY_Q3_RT_OFFSET,
1449 qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LB));
1450 }
1451
1452 /* DQ PF */
qed_dq_init_pf(struct qed_hwfn *p_hwfn)1453 static void qed_dq_init_pf(struct qed_hwfn *p_hwfn)
1454 {
1455 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1456 u32 dq_pf_max_cid = 0, dq_vf_max_cid = 0;
1457
1458 dq_pf_max_cid += (p_mngr->conn_cfg[0].cid_count >> DQ_RANGE_SHIFT);
1459 STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_0_RT_OFFSET, dq_pf_max_cid);
1460
1461 dq_vf_max_cid += (p_mngr->conn_cfg[0].cids_per_vf >> DQ_RANGE_SHIFT);
1462 STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_0_RT_OFFSET, dq_vf_max_cid);
1463
1464 dq_pf_max_cid += (p_mngr->conn_cfg[1].cid_count >> DQ_RANGE_SHIFT);
1465 STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_1_RT_OFFSET, dq_pf_max_cid);
1466
1467 dq_vf_max_cid += (p_mngr->conn_cfg[1].cids_per_vf >> DQ_RANGE_SHIFT);
1468 STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_1_RT_OFFSET, dq_vf_max_cid);
1469
1470 dq_pf_max_cid += (p_mngr->conn_cfg[2].cid_count >> DQ_RANGE_SHIFT);
1471 STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_2_RT_OFFSET, dq_pf_max_cid);
1472
1473 dq_vf_max_cid += (p_mngr->conn_cfg[2].cids_per_vf >> DQ_RANGE_SHIFT);
1474 STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_2_RT_OFFSET, dq_vf_max_cid);
1475
1476 dq_pf_max_cid += (p_mngr->conn_cfg[3].cid_count >> DQ_RANGE_SHIFT);
1477 STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_3_RT_OFFSET, dq_pf_max_cid);
1478
1479 dq_vf_max_cid += (p_mngr->conn_cfg[3].cids_per_vf >> DQ_RANGE_SHIFT);
1480 STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_3_RT_OFFSET, dq_vf_max_cid);
1481
1482 dq_pf_max_cid += (p_mngr->conn_cfg[4].cid_count >> DQ_RANGE_SHIFT);
1483 STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_4_RT_OFFSET, dq_pf_max_cid);
1484
1485 dq_vf_max_cid += (p_mngr->conn_cfg[4].cids_per_vf >> DQ_RANGE_SHIFT);
1486 STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_4_RT_OFFSET, dq_vf_max_cid);
1487
1488 dq_pf_max_cid += (p_mngr->conn_cfg[5].cid_count >> DQ_RANGE_SHIFT);
1489 STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_5_RT_OFFSET, dq_pf_max_cid);
1490
1491 dq_vf_max_cid += (p_mngr->conn_cfg[5].cids_per_vf >> DQ_RANGE_SHIFT);
1492 STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_5_RT_OFFSET, dq_vf_max_cid);
1493
1494 /* Connection types 6 & 7 are not in use, yet they must be configured
1495 * as the highest possible connection. Not configuring them means the
1496 * defaults will be used, and with a large number of cids a bug may
1497 * occur, if the defaults will be smaller than dq_pf_max_cid /
1498 * dq_vf_max_cid.
1499 */
1500 STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_6_RT_OFFSET, dq_pf_max_cid);
1501 STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_6_RT_OFFSET, dq_vf_max_cid);
1502
1503 STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_7_RT_OFFSET, dq_pf_max_cid);
1504 STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_7_RT_OFFSET, dq_vf_max_cid);
1505 }
1506
qed_ilt_bounds_init(struct qed_hwfn *p_hwfn)1507 static void qed_ilt_bounds_init(struct qed_hwfn *p_hwfn)
1508 {
1509 struct qed_ilt_client_cfg *ilt_clients;
1510 int i;
1511
1512 ilt_clients = p_hwfn->p_cxt_mngr->clients;
1513 for_each_ilt_valid_client(i, ilt_clients) {
1514 STORE_RT_REG(p_hwfn,
1515 ilt_clients[i].first.reg,
1516 ilt_clients[i].first.val);
1517 STORE_RT_REG(p_hwfn,
1518 ilt_clients[i].last.reg, ilt_clients[i].last.val);
1519 STORE_RT_REG(p_hwfn,
1520 ilt_clients[i].p_size.reg,
1521 ilt_clients[i].p_size.val);
1522 }
1523 }
1524
qed_ilt_vf_bounds_init(struct qed_hwfn *p_hwfn)1525 static void qed_ilt_vf_bounds_init(struct qed_hwfn *p_hwfn)
1526 {
1527 struct qed_ilt_client_cfg *p_cli;
1528 u32 blk_factor;
1529
1530 /* For simplicty we set the 'block' to be an ILT page */
1531 if (p_hwfn->cdev->p_iov_info) {
1532 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
1533
1534 STORE_RT_REG(p_hwfn,
1535 PSWRQ2_REG_VF_BASE_RT_OFFSET,
1536 p_iov->first_vf_in_pf);
1537 STORE_RT_REG(p_hwfn,
1538 PSWRQ2_REG_VF_LAST_ILT_RT_OFFSET,
1539 p_iov->first_vf_in_pf + p_iov->total_vfs);
1540 }
1541
1542 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC];
1543 blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10);
1544 if (p_cli->active) {
1545 STORE_RT_REG(p_hwfn,
1546 PSWRQ2_REG_CDUC_BLOCKS_FACTOR_RT_OFFSET,
1547 blk_factor);
1548 STORE_RT_REG(p_hwfn,
1549 PSWRQ2_REG_CDUC_NUMBER_OF_PF_BLOCKS_RT_OFFSET,
1550 p_cli->pf_total_lines);
1551 STORE_RT_REG(p_hwfn,
1552 PSWRQ2_REG_CDUC_VF_BLOCKS_RT_OFFSET,
1553 p_cli->vf_total_lines);
1554 }
1555
1556 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
1557 blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10);
1558 if (p_cli->active) {
1559 STORE_RT_REG(p_hwfn,
1560 PSWRQ2_REG_CDUT_BLOCKS_FACTOR_RT_OFFSET,
1561 blk_factor);
1562 STORE_RT_REG(p_hwfn,
1563 PSWRQ2_REG_CDUT_NUMBER_OF_PF_BLOCKS_RT_OFFSET,
1564 p_cli->pf_total_lines);
1565 STORE_RT_REG(p_hwfn,
1566 PSWRQ2_REG_CDUT_VF_BLOCKS_RT_OFFSET,
1567 p_cli->vf_total_lines);
1568 }
1569
1570 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TM];
1571 blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10);
1572 if (p_cli->active) {
1573 STORE_RT_REG(p_hwfn,
1574 PSWRQ2_REG_TM_BLOCKS_FACTOR_RT_OFFSET, blk_factor);
1575 STORE_RT_REG(p_hwfn,
1576 PSWRQ2_REG_TM_NUMBER_OF_PF_BLOCKS_RT_OFFSET,
1577 p_cli->pf_total_lines);
1578 STORE_RT_REG(p_hwfn,
1579 PSWRQ2_REG_TM_VF_BLOCKS_RT_OFFSET,
1580 p_cli->vf_total_lines);
1581 }
1582 }
1583
1584 /* ILT (PSWRQ2) PF */
qed_ilt_init_pf(struct qed_hwfn *p_hwfn)1585 static void qed_ilt_init_pf(struct qed_hwfn *p_hwfn)
1586 {
1587 struct qed_ilt_client_cfg *clients;
1588 struct qed_cxt_mngr *p_mngr;
1589 struct phys_mem_desc *p_shdw;
1590 u32 line, rt_offst, i;
1591
1592 qed_ilt_bounds_init(p_hwfn);
1593 qed_ilt_vf_bounds_init(p_hwfn);
1594
1595 p_mngr = p_hwfn->p_cxt_mngr;
1596 p_shdw = p_mngr->ilt_shadow;
1597 clients = p_hwfn->p_cxt_mngr->clients;
1598
1599 for_each_ilt_valid_client(i, clients) {
1600 /** Client's 1st val and RT array are absolute, ILT shadows'
1601 * lines are relative.
1602 */
1603 line = clients[i].first.val - p_mngr->pf_start_line;
1604 rt_offst = PSWRQ2_REG_ILT_MEMORY_RT_OFFSET +
1605 clients[i].first.val * ILT_ENTRY_IN_REGS;
1606
1607 for (; line <= clients[i].last.val - p_mngr->pf_start_line;
1608 line++, rt_offst += ILT_ENTRY_IN_REGS) {
1609 u64 ilt_hw_entry = 0;
1610
1611 /** p_virt could be NULL incase of dynamic
1612 * allocation
1613 */
1614 if (p_shdw[line].virt_addr) {
1615 SET_FIELD(ilt_hw_entry, ILT_ENTRY_VALID, 1ULL);
1616 SET_FIELD(ilt_hw_entry, ILT_ENTRY_PHY_ADDR,
1617 (p_shdw[line].phys_addr >> 12));
1618
1619 DP_VERBOSE(p_hwfn, QED_MSG_ILT,
1620 "Setting RT[0x%08x] from ILT[0x%08x] [Client is %d] to Physical addr: 0x%llx\n",
1621 rt_offst, line, i,
1622 (u64)(p_shdw[line].phys_addr >> 12));
1623 }
1624
1625 STORE_RT_REG_AGG(p_hwfn, rt_offst, ilt_hw_entry);
1626 }
1627 }
1628 }
1629
1630 /* SRC (Searcher) PF */
qed_src_init_pf(struct qed_hwfn *p_hwfn)1631 static void qed_src_init_pf(struct qed_hwfn *p_hwfn)
1632 {
1633 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1634 u32 rounded_conn_num, conn_num, conn_max;
1635 struct qed_src_iids src_iids;
1636
1637 memset(&src_iids, 0, sizeof(src_iids));
1638 qed_cxt_src_iids(p_mngr, &src_iids);
1639 conn_num = src_iids.pf_cids + src_iids.per_vf_cids * p_mngr->vf_count;
1640 if (!conn_num)
1641 return;
1642
1643 conn_max = max_t(u32, conn_num, SRC_MIN_NUM_ELEMS);
1644 rounded_conn_num = roundup_pow_of_two(conn_max);
1645
1646 STORE_RT_REG(p_hwfn, SRC_REG_COUNTFREE_RT_OFFSET, conn_num);
1647 STORE_RT_REG(p_hwfn, SRC_REG_NUMBER_HASH_BITS_RT_OFFSET,
1648 ilog2(rounded_conn_num));
1649
1650 STORE_RT_REG_AGG(p_hwfn, SRC_REG_FIRSTFREE_RT_OFFSET,
1651 p_hwfn->p_cxt_mngr->src_t2.first_free);
1652 STORE_RT_REG_AGG(p_hwfn, SRC_REG_LASTFREE_RT_OFFSET,
1653 p_hwfn->p_cxt_mngr->src_t2.last_free);
1654 }
1655
1656 /* Timers PF */
1657 #define TM_CFG_NUM_IDS_SHIFT 0
1658 #define TM_CFG_NUM_IDS_MASK 0xFFFFULL
1659 #define TM_CFG_PRE_SCAN_OFFSET_SHIFT 16
1660 #define TM_CFG_PRE_SCAN_OFFSET_MASK 0x1FFULL
1661 #define TM_CFG_PARENT_PF_SHIFT 25
1662 #define TM_CFG_PARENT_PF_MASK 0x7ULL
1663
1664 #define TM_CFG_CID_PRE_SCAN_ROWS_SHIFT 30
1665 #define TM_CFG_CID_PRE_SCAN_ROWS_MASK 0x1FFULL
1666
1667 #define TM_CFG_TID_OFFSET_SHIFT 30
1668 #define TM_CFG_TID_OFFSET_MASK 0x7FFFFULL
1669 #define TM_CFG_TID_PRE_SCAN_ROWS_SHIFT 49
1670 #define TM_CFG_TID_PRE_SCAN_ROWS_MASK 0x1FFULL
1671
qed_tm_init_pf(struct qed_hwfn *p_hwfn)1672 static void qed_tm_init_pf(struct qed_hwfn *p_hwfn)
1673 {
1674 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1675 u32 active_seg_mask = 0, tm_offset, rt_reg;
1676 struct qed_tm_iids tm_iids;
1677 u64 cfg_word;
1678 u8 i;
1679
1680 memset(&tm_iids, 0, sizeof(tm_iids));
1681 qed_cxt_tm_iids(p_hwfn, p_mngr, &tm_iids);
1682
1683 /* @@@TBD No pre-scan for now */
1684
1685 /* Note: We assume consecutive VFs for a PF */
1686 for (i = 0; i < p_mngr->vf_count; i++) {
1687 cfg_word = 0;
1688 SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.per_vf_cids);
1689 SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1690 SET_FIELD(cfg_word, TM_CFG_PARENT_PF, p_hwfn->rel_pf_id);
1691 SET_FIELD(cfg_word, TM_CFG_CID_PRE_SCAN_ROWS, 0);
1692 rt_reg = TM_REG_CONFIG_CONN_MEM_RT_OFFSET +
1693 (sizeof(cfg_word) / sizeof(u32)) *
1694 (p_hwfn->cdev->p_iov_info->first_vf_in_pf + i);
1695 STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1696 }
1697
1698 cfg_word = 0;
1699 SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.pf_cids);
1700 SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1701 SET_FIELD(cfg_word, TM_CFG_PARENT_PF, 0); /* n/a for PF */
1702 SET_FIELD(cfg_word, TM_CFG_CID_PRE_SCAN_ROWS, 0); /* scan all */
1703
1704 rt_reg = TM_REG_CONFIG_CONN_MEM_RT_OFFSET +
1705 (sizeof(cfg_word) / sizeof(u32)) *
1706 (NUM_OF_VFS(p_hwfn->cdev) + p_hwfn->rel_pf_id);
1707 STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1708
1709 /* enale scan */
1710 STORE_RT_REG(p_hwfn, TM_REG_PF_ENABLE_CONN_RT_OFFSET,
1711 tm_iids.pf_cids ? 0x1 : 0x0);
1712
1713 /* @@@TBD how to enable the scan for the VFs */
1714
1715 tm_offset = tm_iids.per_vf_cids;
1716
1717 /* Note: We assume consecutive VFs for a PF */
1718 for (i = 0; i < p_mngr->vf_count; i++) {
1719 cfg_word = 0;
1720 SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.per_vf_tids);
1721 SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1722 SET_FIELD(cfg_word, TM_CFG_PARENT_PF, p_hwfn->rel_pf_id);
1723 SET_FIELD(cfg_word, TM_CFG_TID_OFFSET, tm_offset);
1724 SET_FIELD(cfg_word, TM_CFG_TID_PRE_SCAN_ROWS, (u64) 0);
1725
1726 rt_reg = TM_REG_CONFIG_TASK_MEM_RT_OFFSET +
1727 (sizeof(cfg_word) / sizeof(u32)) *
1728 (p_hwfn->cdev->p_iov_info->first_vf_in_pf + i);
1729
1730 STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1731 }
1732
1733 tm_offset = tm_iids.pf_cids;
1734 for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
1735 cfg_word = 0;
1736 SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.pf_tids[i]);
1737 SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1738 SET_FIELD(cfg_word, TM_CFG_PARENT_PF, 0);
1739 SET_FIELD(cfg_word, TM_CFG_TID_OFFSET, tm_offset);
1740 SET_FIELD(cfg_word, TM_CFG_TID_PRE_SCAN_ROWS, (u64) 0);
1741
1742 rt_reg = TM_REG_CONFIG_TASK_MEM_RT_OFFSET +
1743 (sizeof(cfg_word) / sizeof(u32)) *
1744 (NUM_OF_VFS(p_hwfn->cdev) +
1745 p_hwfn->rel_pf_id * NUM_TASK_PF_SEGMENTS + i);
1746
1747 STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1748 active_seg_mask |= (tm_iids.pf_tids[i] ? BIT(i) : 0);
1749
1750 tm_offset += tm_iids.pf_tids[i];
1751 }
1752
1753 if (QED_IS_RDMA_PERSONALITY(p_hwfn))
1754 active_seg_mask = 0;
1755
1756 STORE_RT_REG(p_hwfn, TM_REG_PF_ENABLE_TASK_RT_OFFSET, active_seg_mask);
1757
1758 /* @@@TBD how to enable the scan for the VFs */
1759 }
1760
qed_prs_init_common(struct qed_hwfn *p_hwfn)1761 static void qed_prs_init_common(struct qed_hwfn *p_hwfn)
1762 {
1763 if ((p_hwfn->hw_info.personality == QED_PCI_FCOE) &&
1764 p_hwfn->pf_params.fcoe_pf_params.is_target)
1765 STORE_RT_REG(p_hwfn,
1766 PRS_REG_SEARCH_RESP_INITIATOR_TYPE_RT_OFFSET, 0);
1767 }
1768
qed_prs_init_pf(struct qed_hwfn *p_hwfn)1769 static void qed_prs_init_pf(struct qed_hwfn *p_hwfn)
1770 {
1771 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1772 struct qed_conn_type_cfg *p_fcoe;
1773 struct qed_tid_seg *p_tid;
1774
1775 p_fcoe = &p_mngr->conn_cfg[PROTOCOLID_FCOE];
1776
1777 /* If FCoE is active set the MAX OX_ID (tid) in the Parser */
1778 if (!p_fcoe->cid_count)
1779 return;
1780
1781 p_tid = &p_fcoe->tid_seg[QED_CXT_FCOE_TID_SEG];
1782 if (p_hwfn->pf_params.fcoe_pf_params.is_target) {
1783 STORE_RT_REG_AGG(p_hwfn,
1784 PRS_REG_TASK_ID_MAX_TARGET_PF_RT_OFFSET,
1785 p_tid->count);
1786 } else {
1787 STORE_RT_REG_AGG(p_hwfn,
1788 PRS_REG_TASK_ID_MAX_INITIATOR_PF_RT_OFFSET,
1789 p_tid->count);
1790 }
1791 }
1792
qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn)1793 void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn)
1794 {
1795 qed_cdu_init_common(p_hwfn);
1796 qed_prs_init_common(p_hwfn);
1797 }
1798
qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)1799 void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1800 {
1801 qed_qm_init_pf(p_hwfn, p_ptt, true);
1802 qed_cm_init_pf(p_hwfn);
1803 qed_dq_init_pf(p_hwfn);
1804 qed_cdu_init_pf(p_hwfn);
1805 qed_ilt_init_pf(p_hwfn);
1806 qed_src_init_pf(p_hwfn);
1807 qed_tm_init_pf(p_hwfn);
1808 qed_prs_init_pf(p_hwfn);
1809 }
1810
_qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, enum protocol_type type, u32 *p_cid, u8 vfid)1811 int _qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn,
1812 enum protocol_type type, u32 *p_cid, u8 vfid)
1813 {
1814 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1815 struct qed_cid_acquired_map *p_map;
1816 u32 rel_cid;
1817
1818 if (type >= MAX_CONN_TYPES) {
1819 DP_NOTICE(p_hwfn, "Invalid protocol type %d", type);
1820 return -EINVAL;
1821 }
1822
1823 if (vfid >= MAX_NUM_VFS && vfid != QED_CXT_PF_CID) {
1824 DP_NOTICE(p_hwfn, "VF [%02x] is out of range\n", vfid);
1825 return -EINVAL;
1826 }
1827
1828 /* Determine the right map to take this CID from */
1829 if (vfid == QED_CXT_PF_CID)
1830 p_map = &p_mngr->acquired[type];
1831 else
1832 p_map = &p_mngr->acquired_vf[type][vfid];
1833
1834 if (!p_map->cid_map) {
1835 DP_NOTICE(p_hwfn, "Invalid protocol type %d", type);
1836 return -EINVAL;
1837 }
1838
1839 rel_cid = find_first_zero_bit(p_map->cid_map, p_map->max_count);
1840
1841 if (rel_cid >= p_map->max_count) {
1842 DP_NOTICE(p_hwfn, "no CID available for protocol %d\n", type);
1843 return -EINVAL;
1844 }
1845
1846 __set_bit(rel_cid, p_map->cid_map);
1847
1848 *p_cid = rel_cid + p_map->start_cid;
1849
1850 DP_VERBOSE(p_hwfn, QED_MSG_CXT,
1851 "Acquired cid 0x%08x [rel. %08x] vfid %02x type %d\n",
1852 *p_cid, rel_cid, vfid, type);
1853
1854 return 0;
1855 }
1856
qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, enum protocol_type type, u32 *p_cid)1857 int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn,
1858 enum protocol_type type, u32 *p_cid)
1859 {
1860 return _qed_cxt_acquire_cid(p_hwfn, type, p_cid, QED_CXT_PF_CID);
1861 }
1862
qed_cxt_test_cid_acquired(struct qed_hwfn *p_hwfn, u32 cid, u8 vfid, enum protocol_type *p_type, struct qed_cid_acquired_map **pp_map)1863 static bool qed_cxt_test_cid_acquired(struct qed_hwfn *p_hwfn,
1864 u32 cid,
1865 u8 vfid,
1866 enum protocol_type *p_type,
1867 struct qed_cid_acquired_map **pp_map)
1868 {
1869 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1870 u32 rel_cid;
1871
1872 /* Iterate over protocols and find matching cid range */
1873 for (*p_type = 0; *p_type < MAX_CONN_TYPES; (*p_type)++) {
1874 if (vfid == QED_CXT_PF_CID)
1875 *pp_map = &p_mngr->acquired[*p_type];
1876 else
1877 *pp_map = &p_mngr->acquired_vf[*p_type][vfid];
1878
1879 if (!((*pp_map)->cid_map))
1880 continue;
1881 if (cid >= (*pp_map)->start_cid &&
1882 cid < (*pp_map)->start_cid + (*pp_map)->max_count)
1883 break;
1884 }
1885
1886 if (*p_type == MAX_CONN_TYPES) {
1887 DP_NOTICE(p_hwfn, "Invalid CID %d vfid %02x", cid, vfid);
1888 goto fail;
1889 }
1890
1891 rel_cid = cid - (*pp_map)->start_cid;
1892 if (!test_bit(rel_cid, (*pp_map)->cid_map)) {
1893 DP_NOTICE(p_hwfn, "CID %d [vifd %02x] not acquired",
1894 cid, vfid);
1895 goto fail;
1896 }
1897
1898 return true;
1899 fail:
1900 *p_type = MAX_CONN_TYPES;
1901 *pp_map = NULL;
1902 return false;
1903 }
1904
_qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid, u8 vfid)1905 void _qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid, u8 vfid)
1906 {
1907 struct qed_cid_acquired_map *p_map = NULL;
1908 enum protocol_type type;
1909 bool b_acquired;
1910 u32 rel_cid;
1911
1912 if (vfid != QED_CXT_PF_CID && vfid > MAX_NUM_VFS) {
1913 DP_NOTICE(p_hwfn,
1914 "Trying to return incorrect CID belonging to VF %02x\n",
1915 vfid);
1916 return;
1917 }
1918
1919 /* Test acquired and find matching per-protocol map */
1920 b_acquired = qed_cxt_test_cid_acquired(p_hwfn, cid, vfid,
1921 &type, &p_map);
1922
1923 if (!b_acquired)
1924 return;
1925
1926 rel_cid = cid - p_map->start_cid;
1927 clear_bit(rel_cid, p_map->cid_map);
1928
1929 DP_VERBOSE(p_hwfn, QED_MSG_CXT,
1930 "Released CID 0x%08x [rel. %08x] vfid %02x type %d\n",
1931 cid, rel_cid, vfid, type);
1932 }
1933
qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid)1934 void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid)
1935 {
1936 _qed_cxt_release_cid(p_hwfn, cid, QED_CXT_PF_CID);
1937 }
1938
qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, struct qed_cxt_info *p_info)1939 int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, struct qed_cxt_info *p_info)
1940 {
1941 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1942 struct qed_cid_acquired_map *p_map = NULL;
1943 u32 conn_cxt_size, hw_p_size, cxts_per_p, line;
1944 enum protocol_type type;
1945 bool b_acquired;
1946
1947 /* Test acquired and find matching per-protocol map */
1948 b_acquired = qed_cxt_test_cid_acquired(p_hwfn, p_info->iid,
1949 QED_CXT_PF_CID, &type, &p_map);
1950
1951 if (!b_acquired)
1952 return -EINVAL;
1953
1954 /* set the protocl type */
1955 p_info->type = type;
1956
1957 /* compute context virtual pointer */
1958 hw_p_size = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC].p_size.val;
1959
1960 conn_cxt_size = CONN_CXT_SIZE(p_hwfn);
1961 cxts_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / conn_cxt_size;
1962 line = p_info->iid / cxts_per_p;
1963
1964 /* Make sure context is allocated (dynamic allocation) */
1965 if (!p_mngr->ilt_shadow[line].virt_addr)
1966 return -EINVAL;
1967
1968 p_info->p_cxt = p_mngr->ilt_shadow[line].virt_addr +
1969 p_info->iid % cxts_per_p * conn_cxt_size;
1970
1971 DP_VERBOSE(p_hwfn, (QED_MSG_ILT | QED_MSG_CXT),
1972 "Accessing ILT shadow[%d]: CXT pointer is at %p (for iid %d)\n",
1973 p_info->iid / cxts_per_p, p_info->p_cxt, p_info->iid);
1974
1975 return 0;
1976 }
1977
qed_rdma_set_pf_params(struct qed_hwfn *p_hwfn, struct qed_rdma_pf_params *p_params, u32 num_tasks)1978 static void qed_rdma_set_pf_params(struct qed_hwfn *p_hwfn,
1979 struct qed_rdma_pf_params *p_params,
1980 u32 num_tasks)
1981 {
1982 u32 num_cons, num_qps;
1983 enum protocol_type proto;
1984
1985 if (p_hwfn->mcp_info->func_info.protocol == QED_PCI_ETH_RDMA) {
1986 DP_VERBOSE(p_hwfn, QED_MSG_SP,
1987 "Current day drivers don't support RoCE & iWARP simultaneously on the same PF. Default to RoCE-only\n");
1988 p_hwfn->hw_info.personality = QED_PCI_ETH_ROCE;
1989 }
1990
1991 switch (p_hwfn->hw_info.personality) {
1992 case QED_PCI_ETH_IWARP:
1993 /* Each QP requires one connection */
1994 num_cons = min_t(u32, IWARP_MAX_QPS, p_params->num_qps);
1995 proto = PROTOCOLID_IWARP;
1996 break;
1997 case QED_PCI_ETH_ROCE:
1998 num_qps = min_t(u32, ROCE_MAX_QPS, p_params->num_qps);
1999 num_cons = num_qps * 2; /* each QP requires two connections */
2000 proto = PROTOCOLID_ROCE;
2001 break;
2002 default:
2003 return;
2004 }
2005
2006 if (num_cons && num_tasks) {
2007 u32 num_srqs, num_xrc_srqs;
2008
2009 qed_cxt_set_proto_cid_count(p_hwfn, proto, num_cons, 0);
2010
2011 /* Deliberatly passing ROCE for tasks id. This is because
2012 * iWARP / RoCE share the task id.
2013 */
2014 qed_cxt_set_proto_tid_count(p_hwfn, PROTOCOLID_ROCE,
2015 QED_CXT_ROCE_TID_SEG, 1,
2016 num_tasks, false);
2017
2018 num_srqs = min_t(u32, QED_RDMA_MAX_SRQS, p_params->num_srqs);
2019
2020 /* XRC SRQs populate a single ILT page */
2021 num_xrc_srqs = qed_cxt_xrc_srqs_per_page(p_hwfn);
2022
2023 qed_cxt_set_srq_count(p_hwfn, num_srqs, num_xrc_srqs);
2024 } else {
2025 DP_INFO(p_hwfn->cdev,
2026 "RDMA personality used without setting params!\n");
2027 }
2028 }
2029
qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks)2030 int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks)
2031 {
2032 /* Set the number of required CORE connections */
2033 u32 core_cids = 1; /* SPQ */
2034
2035 if (p_hwfn->using_ll2)
2036 core_cids += 4;
2037 qed_cxt_set_proto_cid_count(p_hwfn, PROTOCOLID_CORE, core_cids, 0);
2038
2039 switch (p_hwfn->hw_info.personality) {
2040 case QED_PCI_ETH_RDMA:
2041 case QED_PCI_ETH_IWARP:
2042 case QED_PCI_ETH_ROCE:
2043 {
2044 qed_rdma_set_pf_params(p_hwfn,
2045 &p_hwfn->
2046 pf_params.rdma_pf_params,
2047 rdma_tasks);
2048 /* no need for break since RoCE coexist with Ethernet */
2049 }
2050 fallthrough;
2051 case QED_PCI_ETH:
2052 {
2053 struct qed_eth_pf_params *p_params =
2054 &p_hwfn->pf_params.eth_pf_params;
2055
2056 if (!p_params->num_vf_cons)
2057 p_params->num_vf_cons =
2058 ETH_PF_PARAMS_VF_CONS_DEFAULT;
2059 qed_cxt_set_proto_cid_count(p_hwfn, PROTOCOLID_ETH,
2060 p_params->num_cons,
2061 p_params->num_vf_cons);
2062 p_hwfn->p_cxt_mngr->arfs_count = p_params->num_arfs_filters;
2063 break;
2064 }
2065 case QED_PCI_FCOE:
2066 {
2067 struct qed_fcoe_pf_params *p_params;
2068
2069 p_params = &p_hwfn->pf_params.fcoe_pf_params;
2070
2071 if (p_params->num_cons && p_params->num_tasks) {
2072 qed_cxt_set_proto_cid_count(p_hwfn,
2073 PROTOCOLID_FCOE,
2074 p_params->num_cons,
2075 0);
2076
2077 qed_cxt_set_proto_tid_count(p_hwfn, PROTOCOLID_FCOE,
2078 QED_CXT_FCOE_TID_SEG, 0,
2079 p_params->num_tasks, true);
2080 } else {
2081 DP_INFO(p_hwfn->cdev,
2082 "Fcoe personality used without setting params!\n");
2083 }
2084 break;
2085 }
2086 case QED_PCI_ISCSI:
2087 {
2088 struct qed_iscsi_pf_params *p_params;
2089
2090 p_params = &p_hwfn->pf_params.iscsi_pf_params;
2091
2092 if (p_params->num_cons && p_params->num_tasks) {
2093 qed_cxt_set_proto_cid_count(p_hwfn,
2094 PROTOCOLID_ISCSI,
2095 p_params->num_cons,
2096 0);
2097
2098 qed_cxt_set_proto_tid_count(p_hwfn,
2099 PROTOCOLID_ISCSI,
2100 QED_CXT_ISCSI_TID_SEG,
2101 0,
2102 p_params->num_tasks,
2103 true);
2104 } else {
2105 DP_INFO(p_hwfn->cdev,
2106 "Iscsi personality used without setting params!\n");
2107 }
2108 break;
2109 }
2110 default:
2111 return -EINVAL;
2112 }
2113
2114 return 0;
2115 }
2116
qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn, struct qed_tid_mem *p_info)2117 int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn,
2118 struct qed_tid_mem *p_info)
2119 {
2120 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
2121 u32 proto, seg, total_lines, i, shadow_line;
2122 struct qed_ilt_client_cfg *p_cli;
2123 struct qed_ilt_cli_blk *p_fl_seg;
2124 struct qed_tid_seg *p_seg_info;
2125
2126 /* Verify the personality */
2127 switch (p_hwfn->hw_info.personality) {
2128 case QED_PCI_FCOE:
2129 proto = PROTOCOLID_FCOE;
2130 seg = QED_CXT_FCOE_TID_SEG;
2131 break;
2132 case QED_PCI_ISCSI:
2133 proto = PROTOCOLID_ISCSI;
2134 seg = QED_CXT_ISCSI_TID_SEG;
2135 break;
2136 default:
2137 return -EINVAL;
2138 }
2139
2140 p_cli = &p_mngr->clients[ILT_CLI_CDUT];
2141 if (!p_cli->active)
2142 return -EINVAL;
2143
2144 p_seg_info = &p_mngr->conn_cfg[proto].tid_seg[seg];
2145 if (!p_seg_info->has_fl_mem)
2146 return -EINVAL;
2147
2148 p_fl_seg = &p_cli->pf_blks[CDUT_FL_SEG_BLK(seg, PF)];
2149 total_lines = DIV_ROUND_UP(p_fl_seg->total_size,
2150 p_fl_seg->real_size_in_page);
2151
2152 for (i = 0; i < total_lines; i++) {
2153 shadow_line = i + p_fl_seg->start_line -
2154 p_hwfn->p_cxt_mngr->pf_start_line;
2155 p_info->blocks[i] = p_mngr->ilt_shadow[shadow_line].virt_addr;
2156 }
2157 p_info->waste = ILT_PAGE_IN_BYTES(p_cli->p_size.val) -
2158 p_fl_seg->real_size_in_page;
2159 p_info->tid_size = p_mngr->task_type_size[p_seg_info->type];
2160 p_info->num_tids_per_block = p_fl_seg->real_size_in_page /
2161 p_info->tid_size;
2162
2163 return 0;
2164 }
2165
2166 /* This function is very RoCE oriented, if another protocol in the future
2167 * will want this feature we'll need to modify the function to be more generic
2168 */
2169 int
qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn, enum qed_cxt_elem_type elem_type, u32 iid)2170 qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn,
2171 enum qed_cxt_elem_type elem_type, u32 iid)
2172 {
2173 u32 reg_offset, shadow_line, elem_size, hw_p_size, elems_per_p, line;
2174 struct tdif_task_context *tdif_context;
2175 struct qed_ilt_client_cfg *p_cli;
2176 struct qed_ilt_cli_blk *p_blk;
2177 struct qed_ptt *p_ptt;
2178 dma_addr_t p_phys;
2179 u64 ilt_hw_entry;
2180 void *p_virt;
2181 u32 flags1;
2182 int rc = 0;
2183
2184 switch (elem_type) {
2185 case QED_ELEM_CXT:
2186 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC];
2187 elem_size = CONN_CXT_SIZE(p_hwfn);
2188 p_blk = &p_cli->pf_blks[CDUC_BLK];
2189 break;
2190 case QED_ELEM_SRQ:
2191 /* The first ILT page is not used for regular SRQs. Skip it. */
2192 iid += p_hwfn->p_cxt_mngr->xrc_srq_count;
2193 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2194 elem_size = SRQ_CXT_SIZE;
2195 p_blk = &p_cli->pf_blks[SRQ_BLK];
2196 break;
2197 case QED_ELEM_XRC_SRQ:
2198 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2199 elem_size = XRC_SRQ_CXT_SIZE;
2200 p_blk = &p_cli->pf_blks[SRQ_BLK];
2201 break;
2202 case QED_ELEM_TASK:
2203 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2204 elem_size = TYPE1_TASK_CXT_SIZE(p_hwfn);
2205 p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(QED_CXT_ROCE_TID_SEG)];
2206 break;
2207 default:
2208 DP_NOTICE(p_hwfn, "-EINVALID elem type = %d", elem_type);
2209 return -EINVAL;
2210 }
2211
2212 /* Calculate line in ilt */
2213 hw_p_size = p_cli->p_size.val;
2214 elems_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / elem_size;
2215 line = p_blk->start_line + (iid / elems_per_p);
2216 shadow_line = line - p_hwfn->p_cxt_mngr->pf_start_line;
2217
2218 /* If line is already allocated, do nothing, otherwise allocate it and
2219 * write it to the PSWRQ2 registers.
2220 * This section can be run in parallel from different contexts and thus
2221 * a mutex protection is needed.
2222 */
2223
2224 mutex_lock(&p_hwfn->p_cxt_mngr->mutex);
2225
2226 if (p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].virt_addr)
2227 goto out0;
2228
2229 p_ptt = qed_ptt_acquire(p_hwfn);
2230 if (!p_ptt) {
2231 DP_NOTICE(p_hwfn,
2232 "QED_TIME_OUT on ptt acquire - dynamic allocation");
2233 rc = -EBUSY;
2234 goto out0;
2235 }
2236
2237 p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
2238 p_blk->real_size_in_page, &p_phys,
2239 GFP_KERNEL);
2240 if (!p_virt) {
2241 rc = -ENOMEM;
2242 goto out1;
2243 }
2244
2245 /* configuration of refTagMask to 0xF is required for RoCE DIF MR only,
2246 * to compensate for a HW bug, but it is configured even if DIF is not
2247 * enabled. This is harmless and allows us to avoid a dedicated API. We
2248 * configure the field for all of the contexts on the newly allocated
2249 * page.
2250 */
2251 if (elem_type == QED_ELEM_TASK) {
2252 u32 elem_i;
2253 u8 *elem_start = (u8 *)p_virt;
2254 union type1_task_context *elem;
2255
2256 for (elem_i = 0; elem_i < elems_per_p; elem_i++) {
2257 elem = (union type1_task_context *)elem_start;
2258 tdif_context = &elem->roce_ctx.tdif_context;
2259
2260 flags1 = le32_to_cpu(tdif_context->flags1);
2261 SET_FIELD(flags1, TDIF_TASK_CONTEXT_REF_TAG_MASK, 0xf);
2262 tdif_context->flags1 = cpu_to_le32(flags1);
2263
2264 elem_start += TYPE1_TASK_CXT_SIZE(p_hwfn);
2265 }
2266 }
2267
2268 p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].virt_addr = p_virt;
2269 p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].phys_addr = p_phys;
2270 p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].size =
2271 p_blk->real_size_in_page;
2272
2273 /* compute absolute offset */
2274 reg_offset = PSWRQ2_REG_ILT_MEMORY +
2275 (line * ILT_REG_SIZE_IN_BYTES * ILT_ENTRY_IN_REGS);
2276
2277 ilt_hw_entry = 0;
2278 SET_FIELD(ilt_hw_entry, ILT_ENTRY_VALID, 1ULL);
2279 SET_FIELD(ilt_hw_entry, ILT_ENTRY_PHY_ADDR,
2280 (p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].phys_addr
2281 >> 12));
2282
2283 /* Write via DMAE since the PSWRQ2_REG_ILT_MEMORY line is a wide-bus */
2284 qed_dmae_host2grc(p_hwfn, p_ptt, (u64) (uintptr_t)&ilt_hw_entry,
2285 reg_offset, sizeof(ilt_hw_entry) / sizeof(u32),
2286 NULL);
2287
2288 if (elem_type == QED_ELEM_CXT) {
2289 u32 last_cid_allocated = (1 + (iid / elems_per_p)) *
2290 elems_per_p;
2291
2292 /* Update the relevant register in the parser */
2293 qed_wr(p_hwfn, p_ptt, PRS_REG_ROCE_DEST_QP_MAX_PF,
2294 last_cid_allocated - 1);
2295
2296 if (!p_hwfn->b_rdma_enabled_in_prs) {
2297 /* Enable RDMA search */
2298 qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 1);
2299 p_hwfn->b_rdma_enabled_in_prs = true;
2300 }
2301 }
2302
2303 out1:
2304 qed_ptt_release(p_hwfn, p_ptt);
2305 out0:
2306 mutex_unlock(&p_hwfn->p_cxt_mngr->mutex);
2307
2308 return rc;
2309 }
2310
2311 /* This function is very RoCE oriented, if another protocol in the future
2312 * will want this feature we'll need to modify the function to be more generic
2313 */
2314 static int
qed_cxt_free_ilt_range(struct qed_hwfn *p_hwfn, enum qed_cxt_elem_type elem_type, u32 start_iid, u32 count)2315 qed_cxt_free_ilt_range(struct qed_hwfn *p_hwfn,
2316 enum qed_cxt_elem_type elem_type,
2317 u32 start_iid, u32 count)
2318 {
2319 u32 start_line, end_line, shadow_start_line, shadow_end_line;
2320 u32 reg_offset, elem_size, hw_p_size, elems_per_p;
2321 struct qed_ilt_client_cfg *p_cli;
2322 struct qed_ilt_cli_blk *p_blk;
2323 u32 end_iid = start_iid + count;
2324 struct qed_ptt *p_ptt;
2325 u64 ilt_hw_entry = 0;
2326 u32 i;
2327
2328 switch (elem_type) {
2329 case QED_ELEM_CXT:
2330 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC];
2331 elem_size = CONN_CXT_SIZE(p_hwfn);
2332 p_blk = &p_cli->pf_blks[CDUC_BLK];
2333 break;
2334 case QED_ELEM_SRQ:
2335 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2336 elem_size = SRQ_CXT_SIZE;
2337 p_blk = &p_cli->pf_blks[SRQ_BLK];
2338 break;
2339 case QED_ELEM_XRC_SRQ:
2340 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2341 elem_size = XRC_SRQ_CXT_SIZE;
2342 p_blk = &p_cli->pf_blks[SRQ_BLK];
2343 break;
2344 case QED_ELEM_TASK:
2345 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2346 elem_size = TYPE1_TASK_CXT_SIZE(p_hwfn);
2347 p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(QED_CXT_ROCE_TID_SEG)];
2348 break;
2349 default:
2350 DP_NOTICE(p_hwfn, "-EINVALID elem type = %d", elem_type);
2351 return -EINVAL;
2352 }
2353
2354 /* Calculate line in ilt */
2355 hw_p_size = p_cli->p_size.val;
2356 elems_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / elem_size;
2357 start_line = p_blk->start_line + (start_iid / elems_per_p);
2358 end_line = p_blk->start_line + (end_iid / elems_per_p);
2359 if (((end_iid + 1) / elems_per_p) != (end_iid / elems_per_p))
2360 end_line--;
2361
2362 shadow_start_line = start_line - p_hwfn->p_cxt_mngr->pf_start_line;
2363 shadow_end_line = end_line - p_hwfn->p_cxt_mngr->pf_start_line;
2364
2365 p_ptt = qed_ptt_acquire(p_hwfn);
2366 if (!p_ptt) {
2367 DP_NOTICE(p_hwfn,
2368 "QED_TIME_OUT on ptt acquire - dynamic allocation");
2369 return -EBUSY;
2370 }
2371
2372 for (i = shadow_start_line; i < shadow_end_line; i++) {
2373 if (!p_hwfn->p_cxt_mngr->ilt_shadow[i].virt_addr)
2374 continue;
2375
2376 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
2377 p_hwfn->p_cxt_mngr->ilt_shadow[i].size,
2378 p_hwfn->p_cxt_mngr->ilt_shadow[i].virt_addr,
2379 p_hwfn->p_cxt_mngr->ilt_shadow[i].phys_addr);
2380
2381 p_hwfn->p_cxt_mngr->ilt_shadow[i].virt_addr = NULL;
2382 p_hwfn->p_cxt_mngr->ilt_shadow[i].phys_addr = 0;
2383 p_hwfn->p_cxt_mngr->ilt_shadow[i].size = 0;
2384
2385 /* compute absolute offset */
2386 reg_offset = PSWRQ2_REG_ILT_MEMORY +
2387 ((start_line++) * ILT_REG_SIZE_IN_BYTES *
2388 ILT_ENTRY_IN_REGS);
2389
2390 /* Write via DMAE since the PSWRQ2_REG_ILT_MEMORY line is a
2391 * wide-bus.
2392 */
2393 qed_dmae_host2grc(p_hwfn, p_ptt,
2394 (u64) (uintptr_t) &ilt_hw_entry,
2395 reg_offset,
2396 sizeof(ilt_hw_entry) / sizeof(u32),
2397 NULL);
2398 }
2399
2400 qed_ptt_release(p_hwfn, p_ptt);
2401
2402 return 0;
2403 }
2404
qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto)2405 int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto)
2406 {
2407 int rc;
2408 u32 cid;
2409
2410 /* Free Connection CXT */
2411 rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_CXT,
2412 qed_cxt_get_proto_cid_start(p_hwfn,
2413 proto),
2414 qed_cxt_get_proto_cid_count(p_hwfn,
2415 proto, &cid));
2416
2417 if (rc)
2418 return rc;
2419
2420 /* Free Task CXT ( Intentionally RoCE as task-id is shared between
2421 * RoCE and iWARP )
2422 */
2423 proto = PROTOCOLID_ROCE;
2424 rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_TASK, 0,
2425 qed_cxt_get_proto_tid_count(p_hwfn, proto));
2426 if (rc)
2427 return rc;
2428
2429 /* Free TSDM CXT */
2430 rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_XRC_SRQ, 0,
2431 p_hwfn->p_cxt_mngr->xrc_srq_count);
2432
2433 rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_SRQ,
2434 p_hwfn->p_cxt_mngr->xrc_srq_count,
2435 p_hwfn->p_cxt_mngr->srq_count);
2436
2437 return rc;
2438 }
2439
qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn, u32 tid, u8 ctx_type, void **pp_task_ctx)2440 int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn,
2441 u32 tid, u8 ctx_type, void **pp_task_ctx)
2442 {
2443 struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
2444 struct qed_ilt_client_cfg *p_cli;
2445 struct qed_tid_seg *p_seg_info;
2446 struct qed_ilt_cli_blk *p_seg;
2447 u32 num_tids_per_block;
2448 u32 tid_size, ilt_idx;
2449 u32 total_lines;
2450 u32 proto, seg;
2451
2452 /* Verify the personality */
2453 switch (p_hwfn->hw_info.personality) {
2454 case QED_PCI_FCOE:
2455 proto = PROTOCOLID_FCOE;
2456 seg = QED_CXT_FCOE_TID_SEG;
2457 break;
2458 case QED_PCI_ISCSI:
2459 proto = PROTOCOLID_ISCSI;
2460 seg = QED_CXT_ISCSI_TID_SEG;
2461 break;
2462 default:
2463 return -EINVAL;
2464 }
2465
2466 p_cli = &p_mngr->clients[ILT_CLI_CDUT];
2467 if (!p_cli->active)
2468 return -EINVAL;
2469
2470 p_seg_info = &p_mngr->conn_cfg[proto].tid_seg[seg];
2471
2472 if (ctx_type == QED_CTX_WORKING_MEM) {
2473 p_seg = &p_cli->pf_blks[CDUT_SEG_BLK(seg)];
2474 } else if (ctx_type == QED_CTX_FL_MEM) {
2475 if (!p_seg_info->has_fl_mem)
2476 return -EINVAL;
2477 p_seg = &p_cli->pf_blks[CDUT_FL_SEG_BLK(seg, PF)];
2478 } else {
2479 return -EINVAL;
2480 }
2481 total_lines = DIV_ROUND_UP(p_seg->total_size, p_seg->real_size_in_page);
2482 tid_size = p_mngr->task_type_size[p_seg_info->type];
2483 num_tids_per_block = p_seg->real_size_in_page / tid_size;
2484
2485 if (total_lines < tid / num_tids_per_block)
2486 return -EINVAL;
2487
2488 ilt_idx = tid / num_tids_per_block + p_seg->start_line -
2489 p_mngr->pf_start_line;
2490 *pp_task_ctx = (u8 *)p_mngr->ilt_shadow[ilt_idx].virt_addr +
2491 (tid % num_tids_per_block) * tid_size;
2492
2493 return 0;
2494 }
2495
qed_blk_calculate_pages(struct qed_ilt_cli_blk *p_blk)2496 static u16 qed_blk_calculate_pages(struct qed_ilt_cli_blk *p_blk)
2497 {
2498 if (p_blk->real_size_in_page == 0)
2499 return 0;
2500
2501 return DIV_ROUND_UP(p_blk->total_size, p_blk->real_size_in_page);
2502 }
2503
qed_get_cdut_num_pf_init_pages(struct qed_hwfn *p_hwfn)2504 u16 qed_get_cdut_num_pf_init_pages(struct qed_hwfn *p_hwfn)
2505 {
2506 struct qed_ilt_client_cfg *p_cli;
2507 struct qed_ilt_cli_blk *p_blk;
2508 u16 i, pages = 0;
2509
2510 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2511 for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
2512 p_blk = &p_cli->pf_blks[CDUT_FL_SEG_BLK(i, PF)];
2513 pages += qed_blk_calculate_pages(p_blk);
2514 }
2515
2516 return pages;
2517 }
2518
qed_get_cdut_num_vf_init_pages(struct qed_hwfn *p_hwfn)2519 u16 qed_get_cdut_num_vf_init_pages(struct qed_hwfn *p_hwfn)
2520 {
2521 struct qed_ilt_client_cfg *p_cli;
2522 struct qed_ilt_cli_blk *p_blk;
2523 u16 i, pages = 0;
2524
2525 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2526 for (i = 0; i < NUM_TASK_VF_SEGMENTS; i++) {
2527 p_blk = &p_cli->vf_blks[CDUT_FL_SEG_BLK(i, VF)];
2528 pages += qed_blk_calculate_pages(p_blk);
2529 }
2530
2531 return pages;
2532 }
2533
qed_get_cdut_num_pf_work_pages(struct qed_hwfn *p_hwfn)2534 u16 qed_get_cdut_num_pf_work_pages(struct qed_hwfn *p_hwfn)
2535 {
2536 struct qed_ilt_client_cfg *p_cli;
2537 struct qed_ilt_cli_blk *p_blk;
2538 u16 i, pages = 0;
2539
2540 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2541 for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
2542 p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(i)];
2543 pages += qed_blk_calculate_pages(p_blk);
2544 }
2545
2546 return pages;
2547 }
2548
qed_get_cdut_num_vf_work_pages(struct qed_hwfn *p_hwfn)2549 u16 qed_get_cdut_num_vf_work_pages(struct qed_hwfn *p_hwfn)
2550 {
2551 struct qed_ilt_client_cfg *p_cli;
2552 struct qed_ilt_cli_blk *p_blk;
2553 u16 pages = 0, i;
2554
2555 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2556 for (i = 0; i < NUM_TASK_VF_SEGMENTS; i++) {
2557 p_blk = &p_cli->vf_blks[CDUT_SEG_BLK(i)];
2558 pages += qed_blk_calculate_pages(p_blk);
2559 }
2560
2561 return pages;
2562 }
2563