Merge tag 'soundwire-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul...
[linux-2.6-microblaze.git] / drivers / net / ethernet / qlogic / qed / qed_cxt.c
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
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
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
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
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
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
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
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
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
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
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
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
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 */
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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 */
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
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 }
937
938 static int qed_ilt_blk_alloc(struct qed_hwfn *p_hwfn,
939                              struct qed_ilt_cli_blk *p_blk,
940                              enum ilt_clients ilt_client,
941                              u32 start_line_offset)
942 {
943         struct phys_mem_desc *ilt_shadow = p_hwfn->p_cxt_mngr->ilt_shadow;
944         u32 lines, line, sz_left, lines_to_skip = 0;
945
946         /* Special handling for RoCE that supports dynamic allocation */
947         if (QED_IS_RDMA_PERSONALITY(p_hwfn) &&
948             ((ilt_client == ILT_CLI_CDUT) || ilt_client == ILT_CLI_TSDM))
949                 return 0;
950
951         lines_to_skip = p_blk->dynamic_line_cnt;
952
953         if (!p_blk->total_size)
954                 return 0;
955
956         sz_left = p_blk->total_size;
957         lines = DIV_ROUND_UP(sz_left, p_blk->real_size_in_page) - lines_to_skip;
958         line = p_blk->start_line + start_line_offset -
959             p_hwfn->p_cxt_mngr->pf_start_line + lines_to_skip;
960
961         for (; lines; lines--) {
962                 dma_addr_t p_phys;
963                 void *p_virt;
964                 u32 size;
965
966                 size = min_t(u32, sz_left, p_blk->real_size_in_page);
967                 p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, size,
968                                             &p_phys, GFP_KERNEL);
969                 if (!p_virt)
970                         return -ENOMEM;
971
972                 ilt_shadow[line].phys_addr = p_phys;
973                 ilt_shadow[line].virt_addr = p_virt;
974                 ilt_shadow[line].size = size;
975
976                 DP_VERBOSE(p_hwfn, QED_MSG_ILT,
977                            "ILT shadow: Line [%d] Physical 0x%llx Virtual %p Size %d\n",
978                             line, (u64)p_phys, p_virt, size);
979
980                 sz_left -= size;
981                 line++;
982         }
983
984         return 0;
985 }
986
987 static int qed_ilt_shadow_alloc(struct qed_hwfn *p_hwfn)
988 {
989         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
990         struct qed_ilt_client_cfg *clients = p_mngr->clients;
991         struct qed_ilt_cli_blk *p_blk;
992         u32 size, i, j, k;
993         int rc;
994
995         size = qed_cxt_ilt_shadow_size(clients);
996         p_mngr->ilt_shadow = kcalloc(size, sizeof(struct phys_mem_desc),
997                                      GFP_KERNEL);
998         if (!p_mngr->ilt_shadow) {
999                 rc = -ENOMEM;
1000                 goto ilt_shadow_fail;
1001         }
1002
1003         DP_VERBOSE(p_hwfn, QED_MSG_ILT,
1004                    "Allocated 0x%x bytes for ilt shadow\n",
1005                    (u32)(size * sizeof(struct phys_mem_desc)));
1006
1007         for_each_ilt_valid_client(i, clients) {
1008                 for (j = 0; j < ILT_CLI_PF_BLOCKS; j++) {
1009                         p_blk = &clients[i].pf_blks[j];
1010                         rc = qed_ilt_blk_alloc(p_hwfn, p_blk, i, 0);
1011                         if (rc)
1012                                 goto ilt_shadow_fail;
1013                 }
1014                 for (k = 0; k < p_mngr->vf_count; k++) {
1015                         for (j = 0; j < ILT_CLI_VF_BLOCKS; j++) {
1016                                 u32 lines = clients[i].vf_total_lines * k;
1017
1018                                 p_blk = &clients[i].vf_blks[j];
1019                                 rc = qed_ilt_blk_alloc(p_hwfn, p_blk, i, lines);
1020                                 if (rc)
1021                                         goto ilt_shadow_fail;
1022                         }
1023                 }
1024         }
1025
1026         return 0;
1027
1028 ilt_shadow_fail:
1029         qed_ilt_shadow_free(p_hwfn);
1030         return rc;
1031 }
1032
1033 static void qed_cid_map_free(struct qed_hwfn *p_hwfn)
1034 {
1035         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1036         u32 type, vf;
1037
1038         for (type = 0; type < MAX_CONN_TYPES; type++) {
1039                 kfree(p_mngr->acquired[type].cid_map);
1040                 p_mngr->acquired[type].max_count = 0;
1041                 p_mngr->acquired[type].start_cid = 0;
1042
1043                 for (vf = 0; vf < MAX_NUM_VFS; vf++) {
1044                         kfree(p_mngr->acquired_vf[type][vf].cid_map);
1045                         p_mngr->acquired_vf[type][vf].max_count = 0;
1046                         p_mngr->acquired_vf[type][vf].start_cid = 0;
1047                 }
1048         }
1049 }
1050
1051 static int
1052 qed_cid_map_alloc_single(struct qed_hwfn *p_hwfn,
1053                          u32 type,
1054                          u32 cid_start,
1055                          u32 cid_count, struct qed_cid_acquired_map *p_map)
1056 {
1057         u32 size;
1058
1059         if (!cid_count)
1060                 return 0;
1061
1062         size = DIV_ROUND_UP(cid_count,
1063                             sizeof(unsigned long) * BITS_PER_BYTE) *
1064                sizeof(unsigned long);
1065         p_map->cid_map = kzalloc(size, GFP_KERNEL);
1066         if (!p_map->cid_map)
1067                 return -ENOMEM;
1068
1069         p_map->max_count = cid_count;
1070         p_map->start_cid = cid_start;
1071
1072         DP_VERBOSE(p_hwfn, QED_MSG_CXT,
1073                    "Type %08x start: %08x count %08x\n",
1074                    type, p_map->start_cid, p_map->max_count);
1075
1076         return 0;
1077 }
1078
1079 static int qed_cid_map_alloc(struct qed_hwfn *p_hwfn)
1080 {
1081         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1082         u32 start_cid = 0, vf_start_cid = 0;
1083         u32 type, vf;
1084
1085         for (type = 0; type < MAX_CONN_TYPES; type++) {
1086                 struct qed_conn_type_cfg *p_cfg = &p_mngr->conn_cfg[type];
1087                 struct qed_cid_acquired_map *p_map;
1088
1089                 /* Handle PF maps */
1090                 p_map = &p_mngr->acquired[type];
1091                 if (qed_cid_map_alloc_single(p_hwfn, type, start_cid,
1092                                              p_cfg->cid_count, p_map))
1093                         goto cid_map_fail;
1094
1095                 /* Handle VF maps */
1096                 for (vf = 0; vf < MAX_NUM_VFS; vf++) {
1097                         p_map = &p_mngr->acquired_vf[type][vf];
1098                         if (qed_cid_map_alloc_single(p_hwfn, type,
1099                                                      vf_start_cid,
1100                                                      p_cfg->cids_per_vf, p_map))
1101                                 goto cid_map_fail;
1102                 }
1103
1104                 start_cid += p_cfg->cid_count;
1105                 vf_start_cid += p_cfg->cids_per_vf;
1106         }
1107
1108         return 0;
1109
1110 cid_map_fail:
1111         qed_cid_map_free(p_hwfn);
1112         return -ENOMEM;
1113 }
1114
1115 int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn)
1116 {
1117         struct qed_ilt_client_cfg *clients;
1118         struct qed_cxt_mngr *p_mngr;
1119         u32 i;
1120
1121         p_mngr = kzalloc(sizeof(*p_mngr), GFP_KERNEL);
1122         if (!p_mngr)
1123                 return -ENOMEM;
1124
1125         /* Initialize ILT client registers */
1126         clients = p_mngr->clients;
1127         clients[ILT_CLI_CDUC].first.reg = ILT_CFG_REG(CDUC, FIRST_ILT);
1128         clients[ILT_CLI_CDUC].last.reg = ILT_CFG_REG(CDUC, LAST_ILT);
1129         clients[ILT_CLI_CDUC].p_size.reg = ILT_CFG_REG(CDUC, P_SIZE);
1130
1131         clients[ILT_CLI_QM].first.reg = ILT_CFG_REG(QM, FIRST_ILT);
1132         clients[ILT_CLI_QM].last.reg = ILT_CFG_REG(QM, LAST_ILT);
1133         clients[ILT_CLI_QM].p_size.reg = ILT_CFG_REG(QM, P_SIZE);
1134
1135         clients[ILT_CLI_TM].first.reg = ILT_CFG_REG(TM, FIRST_ILT);
1136         clients[ILT_CLI_TM].last.reg = ILT_CFG_REG(TM, LAST_ILT);
1137         clients[ILT_CLI_TM].p_size.reg = ILT_CFG_REG(TM, P_SIZE);
1138
1139         clients[ILT_CLI_SRC].first.reg = ILT_CFG_REG(SRC, FIRST_ILT);
1140         clients[ILT_CLI_SRC].last.reg = ILT_CFG_REG(SRC, LAST_ILT);
1141         clients[ILT_CLI_SRC].p_size.reg = ILT_CFG_REG(SRC, P_SIZE);
1142
1143         clients[ILT_CLI_CDUT].first.reg = ILT_CFG_REG(CDUT, FIRST_ILT);
1144         clients[ILT_CLI_CDUT].last.reg = ILT_CFG_REG(CDUT, LAST_ILT);
1145         clients[ILT_CLI_CDUT].p_size.reg = ILT_CFG_REG(CDUT, P_SIZE);
1146
1147         clients[ILT_CLI_TSDM].first.reg = ILT_CFG_REG(TSDM, FIRST_ILT);
1148         clients[ILT_CLI_TSDM].last.reg = ILT_CFG_REG(TSDM, LAST_ILT);
1149         clients[ILT_CLI_TSDM].p_size.reg = ILT_CFG_REG(TSDM, P_SIZE);
1150         /* default ILT page size for all clients is 64K */
1151         for (i = 0; i < MAX_ILT_CLIENTS; i++)
1152                 p_mngr->clients[i].p_size.val = ILT_DEFAULT_HW_P_SIZE;
1153
1154         p_mngr->conn_ctx_size = CONN_CXT_SIZE(p_hwfn);
1155
1156         /* Initialize task sizes */
1157         p_mngr->task_type_size[0] = TYPE0_TASK_CXT_SIZE(p_hwfn);
1158         p_mngr->task_type_size[1] = TYPE1_TASK_CXT_SIZE(p_hwfn);
1159
1160         if (p_hwfn->cdev->p_iov_info) {
1161                 p_mngr->vf_count = p_hwfn->cdev->p_iov_info->total_vfs;
1162                 p_mngr->first_vf_in_pf =
1163                         p_hwfn->cdev->p_iov_info->first_vf_in_pf;
1164         }
1165         /* Initialize the dynamic ILT allocation mutex */
1166         mutex_init(&p_mngr->mutex);
1167
1168         /* Set the cxt mangr pointer priori to further allocations */
1169         p_hwfn->p_cxt_mngr = p_mngr;
1170
1171         return 0;
1172 }
1173
1174 int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn)
1175 {
1176         int rc;
1177
1178         /* Allocate the ILT shadow table */
1179         rc = qed_ilt_shadow_alloc(p_hwfn);
1180         if (rc)
1181                 goto tables_alloc_fail;
1182
1183         /* Allocate the T2  table */
1184         rc = qed_cxt_src_t2_alloc(p_hwfn);
1185         if (rc)
1186                 goto tables_alloc_fail;
1187
1188         /* Allocate and initialize the acquired cids bitmaps */
1189         rc = qed_cid_map_alloc(p_hwfn);
1190         if (rc)
1191                 goto tables_alloc_fail;
1192
1193         return 0;
1194
1195 tables_alloc_fail:
1196         qed_cxt_mngr_free(p_hwfn);
1197         return rc;
1198 }
1199
1200 void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn)
1201 {
1202         if (!p_hwfn->p_cxt_mngr)
1203                 return;
1204
1205         qed_cid_map_free(p_hwfn);
1206         qed_cxt_src_t2_free(p_hwfn);
1207         qed_ilt_shadow_free(p_hwfn);
1208         kfree(p_hwfn->p_cxt_mngr);
1209
1210         p_hwfn->p_cxt_mngr = NULL;
1211 }
1212
1213 void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn)
1214 {
1215         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1216         struct qed_cid_acquired_map *p_map;
1217         struct qed_conn_type_cfg *p_cfg;
1218         int type;
1219         u32 len;
1220
1221         /* Reset acquired cids */
1222         for (type = 0; type < MAX_CONN_TYPES; type++) {
1223                 u32 vf;
1224
1225                 p_cfg = &p_mngr->conn_cfg[type];
1226                 if (p_cfg->cid_count) {
1227                         p_map = &p_mngr->acquired[type];
1228                         len = DIV_ROUND_UP(p_map->max_count,
1229                                            sizeof(unsigned long) *
1230                                            BITS_PER_BYTE) *
1231                               sizeof(unsigned long);
1232                         memset(p_map->cid_map, 0, len);
1233                 }
1234
1235                 if (!p_cfg->cids_per_vf)
1236                         continue;
1237
1238                 for (vf = 0; vf < MAX_NUM_VFS; vf++) {
1239                         p_map = &p_mngr->acquired_vf[type][vf];
1240                         len = DIV_ROUND_UP(p_map->max_count,
1241                                            sizeof(unsigned long) *
1242                                            BITS_PER_BYTE) *
1243                               sizeof(unsigned long);
1244                         memset(p_map->cid_map, 0, len);
1245                 }
1246         }
1247 }
1248
1249 /* CDU Common */
1250 #define CDUC_CXT_SIZE_SHIFT \
1251         CDU_REG_CID_ADDR_PARAMS_CONTEXT_SIZE_SHIFT
1252
1253 #define CDUC_CXT_SIZE_MASK \
1254         (CDU_REG_CID_ADDR_PARAMS_CONTEXT_SIZE >> CDUC_CXT_SIZE_SHIFT)
1255
1256 #define CDUC_BLOCK_WASTE_SHIFT \
1257         CDU_REG_CID_ADDR_PARAMS_BLOCK_WASTE_SHIFT
1258
1259 #define CDUC_BLOCK_WASTE_MASK \
1260         (CDU_REG_CID_ADDR_PARAMS_BLOCK_WASTE >> CDUC_BLOCK_WASTE_SHIFT)
1261
1262 #define CDUC_NCIB_SHIFT \
1263         CDU_REG_CID_ADDR_PARAMS_NCIB_SHIFT
1264
1265 #define CDUC_NCIB_MASK \
1266         (CDU_REG_CID_ADDR_PARAMS_NCIB >> CDUC_NCIB_SHIFT)
1267
1268 #define CDUT_TYPE0_CXT_SIZE_SHIFT \
1269         CDU_REG_SEGMENT0_PARAMS_T0_TID_SIZE_SHIFT
1270
1271 #define CDUT_TYPE0_CXT_SIZE_MASK                \
1272         (CDU_REG_SEGMENT0_PARAMS_T0_TID_SIZE >> \
1273          CDUT_TYPE0_CXT_SIZE_SHIFT)
1274
1275 #define CDUT_TYPE0_BLOCK_WASTE_SHIFT \
1276         CDU_REG_SEGMENT0_PARAMS_T0_TID_BLOCK_WASTE_SHIFT
1277
1278 #define CDUT_TYPE0_BLOCK_WASTE_MASK                    \
1279         (CDU_REG_SEGMENT0_PARAMS_T0_TID_BLOCK_WASTE >> \
1280          CDUT_TYPE0_BLOCK_WASTE_SHIFT)
1281
1282 #define CDUT_TYPE0_NCIB_SHIFT \
1283         CDU_REG_SEGMENT0_PARAMS_T0_NUM_TIDS_IN_BLOCK_SHIFT
1284
1285 #define CDUT_TYPE0_NCIB_MASK                             \
1286         (CDU_REG_SEGMENT0_PARAMS_T0_NUM_TIDS_IN_BLOCK >> \
1287          CDUT_TYPE0_NCIB_SHIFT)
1288
1289 #define CDUT_TYPE1_CXT_SIZE_SHIFT \
1290         CDU_REG_SEGMENT1_PARAMS_T1_TID_SIZE_SHIFT
1291
1292 #define CDUT_TYPE1_CXT_SIZE_MASK                \
1293         (CDU_REG_SEGMENT1_PARAMS_T1_TID_SIZE >> \
1294          CDUT_TYPE1_CXT_SIZE_SHIFT)
1295
1296 #define CDUT_TYPE1_BLOCK_WASTE_SHIFT \
1297         CDU_REG_SEGMENT1_PARAMS_T1_TID_BLOCK_WASTE_SHIFT
1298
1299 #define CDUT_TYPE1_BLOCK_WASTE_MASK                    \
1300         (CDU_REG_SEGMENT1_PARAMS_T1_TID_BLOCK_WASTE >> \
1301          CDUT_TYPE1_BLOCK_WASTE_SHIFT)
1302
1303 #define CDUT_TYPE1_NCIB_SHIFT \
1304         CDU_REG_SEGMENT1_PARAMS_T1_NUM_TIDS_IN_BLOCK_SHIFT
1305
1306 #define CDUT_TYPE1_NCIB_MASK                             \
1307         (CDU_REG_SEGMENT1_PARAMS_T1_NUM_TIDS_IN_BLOCK >> \
1308          CDUT_TYPE1_NCIB_SHIFT)
1309
1310 static void qed_cdu_init_common(struct qed_hwfn *p_hwfn)
1311 {
1312         u32 page_sz, elems_per_page, block_waste, cxt_size, cdu_params = 0;
1313
1314         /* CDUC - connection configuration */
1315         page_sz = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC].p_size.val;
1316         cxt_size = CONN_CXT_SIZE(p_hwfn);
1317         elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
1318         block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size;
1319
1320         SET_FIELD(cdu_params, CDUC_CXT_SIZE, cxt_size);
1321         SET_FIELD(cdu_params, CDUC_BLOCK_WASTE, block_waste);
1322         SET_FIELD(cdu_params, CDUC_NCIB, elems_per_page);
1323         STORE_RT_REG(p_hwfn, CDU_REG_CID_ADDR_PARAMS_RT_OFFSET, cdu_params);
1324
1325         /* CDUT - type-0 tasks configuration */
1326         page_sz = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT].p_size.val;
1327         cxt_size = p_hwfn->p_cxt_mngr->task_type_size[0];
1328         elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
1329         block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size;
1330
1331         /* cxt size and block-waste are multipes of 8 */
1332         cdu_params = 0;
1333         SET_FIELD(cdu_params, CDUT_TYPE0_CXT_SIZE, (cxt_size >> 3));
1334         SET_FIELD(cdu_params, CDUT_TYPE0_BLOCK_WASTE, (block_waste >> 3));
1335         SET_FIELD(cdu_params, CDUT_TYPE0_NCIB, elems_per_page);
1336         STORE_RT_REG(p_hwfn, CDU_REG_SEGMENT0_PARAMS_RT_OFFSET, cdu_params);
1337
1338         /* CDUT - type-1 tasks configuration */
1339         cxt_size = p_hwfn->p_cxt_mngr->task_type_size[1];
1340         elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
1341         block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size;
1342
1343         /* cxt size and block-waste are multipes of 8 */
1344         cdu_params = 0;
1345         SET_FIELD(cdu_params, CDUT_TYPE1_CXT_SIZE, (cxt_size >> 3));
1346         SET_FIELD(cdu_params, CDUT_TYPE1_BLOCK_WASTE, (block_waste >> 3));
1347         SET_FIELD(cdu_params, CDUT_TYPE1_NCIB, elems_per_page);
1348         STORE_RT_REG(p_hwfn, CDU_REG_SEGMENT1_PARAMS_RT_OFFSET, cdu_params);
1349 }
1350
1351 /* CDU PF */
1352 #define CDU_SEG_REG_TYPE_SHIFT          CDU_SEG_TYPE_OFFSET_REG_TYPE_SHIFT
1353 #define CDU_SEG_REG_TYPE_MASK           0x1
1354 #define CDU_SEG_REG_OFFSET_SHIFT        0
1355 #define CDU_SEG_REG_OFFSET_MASK         CDU_SEG_TYPE_OFFSET_REG_OFFSET_MASK
1356
1357 static void qed_cdu_init_pf(struct qed_hwfn *p_hwfn)
1358 {
1359         struct qed_ilt_client_cfg *p_cli;
1360         struct qed_tid_seg *p_seg;
1361         u32 cdu_seg_params, offset;
1362         int i;
1363
1364         static const u32 rt_type_offset_arr[] = {
1365                 CDU_REG_PF_SEG0_TYPE_OFFSET_RT_OFFSET,
1366                 CDU_REG_PF_SEG1_TYPE_OFFSET_RT_OFFSET,
1367                 CDU_REG_PF_SEG2_TYPE_OFFSET_RT_OFFSET,
1368                 CDU_REG_PF_SEG3_TYPE_OFFSET_RT_OFFSET
1369         };
1370
1371         static const u32 rt_type_offset_fl_arr[] = {
1372                 CDU_REG_PF_FL_SEG0_TYPE_OFFSET_RT_OFFSET,
1373                 CDU_REG_PF_FL_SEG1_TYPE_OFFSET_RT_OFFSET,
1374                 CDU_REG_PF_FL_SEG2_TYPE_OFFSET_RT_OFFSET,
1375                 CDU_REG_PF_FL_SEG3_TYPE_OFFSET_RT_OFFSET
1376         };
1377
1378         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
1379
1380         /* There are initializations only for CDUT during pf Phase */
1381         for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
1382                 /* Segment 0 */
1383                 p_seg = qed_cxt_tid_seg_info(p_hwfn, i);
1384                 if (!p_seg)
1385                         continue;
1386
1387                 /* Note: start_line is already adjusted for the CDU
1388                  * segment register granularity, so we just need to
1389                  * divide. Adjustment is implicit as we assume ILT
1390                  * Page size is larger than 32K!
1391                  */
1392                 offset = (ILT_PAGE_IN_BYTES(p_cli->p_size.val) *
1393                           (p_cli->pf_blks[CDUT_SEG_BLK(i)].start_line -
1394                            p_cli->first.val)) / CDUT_SEG_ALIGNMET_IN_BYTES;
1395
1396                 cdu_seg_params = 0;
1397                 SET_FIELD(cdu_seg_params, CDU_SEG_REG_TYPE, p_seg->type);
1398                 SET_FIELD(cdu_seg_params, CDU_SEG_REG_OFFSET, offset);
1399                 STORE_RT_REG(p_hwfn, rt_type_offset_arr[i], cdu_seg_params);
1400
1401                 offset = (ILT_PAGE_IN_BYTES(p_cli->p_size.val) *
1402                           (p_cli->pf_blks[CDUT_FL_SEG_BLK(i, PF)].start_line -
1403                            p_cli->first.val)) / CDUT_SEG_ALIGNMET_IN_BYTES;
1404
1405                 cdu_seg_params = 0;
1406                 SET_FIELD(cdu_seg_params, CDU_SEG_REG_TYPE, p_seg->type);
1407                 SET_FIELD(cdu_seg_params, CDU_SEG_REG_OFFSET, offset);
1408                 STORE_RT_REG(p_hwfn, rt_type_offset_fl_arr[i], cdu_seg_params);
1409         }
1410 }
1411
1412 void qed_qm_init_pf(struct qed_hwfn *p_hwfn,
1413                     struct qed_ptt *p_ptt, bool is_pf_loading)
1414 {
1415         struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1416         struct qed_qm_pf_rt_init_params params;
1417         struct qed_qm_iids iids;
1418
1419         memset(&iids, 0, sizeof(iids));
1420         qed_cxt_qm_iids(p_hwfn, &iids);
1421
1422         memset(&params, 0, sizeof(params));
1423         params.port_id = p_hwfn->port_id;
1424         params.pf_id = p_hwfn->rel_pf_id;
1425         params.max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port;
1426         params.is_pf_loading = is_pf_loading;
1427         params.num_pf_cids = iids.cids;
1428         params.num_vf_cids = iids.vf_cids;
1429         params.num_tids = iids.tids;
1430         params.start_pq = qm_info->start_pq;
1431         params.num_pf_pqs = qm_info->num_pqs - qm_info->num_vf_pqs;
1432         params.num_vf_pqs = qm_info->num_vf_pqs;
1433         params.start_vport = qm_info->start_vport;
1434         params.num_vports = qm_info->num_vports;
1435         params.pf_wfq = qm_info->pf_wfq;
1436         params.pf_rl = qm_info->pf_rl;
1437         params.pq_params = qm_info->qm_pq_params;
1438         params.vport_params = qm_info->qm_vport_params;
1439
1440         qed_qm_pf_rt_init(p_hwfn, p_ptt, &params);
1441 }
1442
1443 /* CM PF */
1444 static void qed_cm_init_pf(struct qed_hwfn *p_hwfn)
1445 {
1446         /* XCM pure-LB queue */
1447         STORE_RT_REG(p_hwfn, XCM_REG_CON_PHY_Q3_RT_OFFSET,
1448                      qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LB));
1449 }
1450
1451 /* DQ PF */
1452 static void qed_dq_init_pf(struct qed_hwfn *p_hwfn)
1453 {
1454         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1455         u32 dq_pf_max_cid = 0, dq_vf_max_cid = 0;
1456
1457         dq_pf_max_cid += (p_mngr->conn_cfg[0].cid_count >> DQ_RANGE_SHIFT);
1458         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_0_RT_OFFSET, dq_pf_max_cid);
1459
1460         dq_vf_max_cid += (p_mngr->conn_cfg[0].cids_per_vf >> DQ_RANGE_SHIFT);
1461         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_0_RT_OFFSET, dq_vf_max_cid);
1462
1463         dq_pf_max_cid += (p_mngr->conn_cfg[1].cid_count >> DQ_RANGE_SHIFT);
1464         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_1_RT_OFFSET, dq_pf_max_cid);
1465
1466         dq_vf_max_cid += (p_mngr->conn_cfg[1].cids_per_vf >> DQ_RANGE_SHIFT);
1467         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_1_RT_OFFSET, dq_vf_max_cid);
1468
1469         dq_pf_max_cid += (p_mngr->conn_cfg[2].cid_count >> DQ_RANGE_SHIFT);
1470         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_2_RT_OFFSET, dq_pf_max_cid);
1471
1472         dq_vf_max_cid += (p_mngr->conn_cfg[2].cids_per_vf >> DQ_RANGE_SHIFT);
1473         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_2_RT_OFFSET, dq_vf_max_cid);
1474
1475         dq_pf_max_cid += (p_mngr->conn_cfg[3].cid_count >> DQ_RANGE_SHIFT);
1476         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_3_RT_OFFSET, dq_pf_max_cid);
1477
1478         dq_vf_max_cid += (p_mngr->conn_cfg[3].cids_per_vf >> DQ_RANGE_SHIFT);
1479         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_3_RT_OFFSET, dq_vf_max_cid);
1480
1481         dq_pf_max_cid += (p_mngr->conn_cfg[4].cid_count >> DQ_RANGE_SHIFT);
1482         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_4_RT_OFFSET, dq_pf_max_cid);
1483
1484         dq_vf_max_cid += (p_mngr->conn_cfg[4].cids_per_vf >> DQ_RANGE_SHIFT);
1485         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_4_RT_OFFSET, dq_vf_max_cid);
1486
1487         dq_pf_max_cid += (p_mngr->conn_cfg[5].cid_count >> DQ_RANGE_SHIFT);
1488         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_5_RT_OFFSET, dq_pf_max_cid);
1489
1490         dq_vf_max_cid += (p_mngr->conn_cfg[5].cids_per_vf >> DQ_RANGE_SHIFT);
1491         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_5_RT_OFFSET, dq_vf_max_cid);
1492
1493         /* Connection types 6 & 7 are not in use, yet they must be configured
1494          * as the highest possible connection. Not configuring them means the
1495          * defaults will be  used, and with a large number of cids a bug may
1496          * occur, if the defaults will be smaller than dq_pf_max_cid /
1497          * dq_vf_max_cid.
1498          */
1499         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_6_RT_OFFSET, dq_pf_max_cid);
1500         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_6_RT_OFFSET, dq_vf_max_cid);
1501
1502         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_7_RT_OFFSET, dq_pf_max_cid);
1503         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_7_RT_OFFSET, dq_vf_max_cid);
1504 }
1505
1506 static void qed_ilt_bounds_init(struct qed_hwfn *p_hwfn)
1507 {
1508         struct qed_ilt_client_cfg *ilt_clients;
1509         int i;
1510
1511         ilt_clients = p_hwfn->p_cxt_mngr->clients;
1512         for_each_ilt_valid_client(i, ilt_clients) {
1513                 STORE_RT_REG(p_hwfn,
1514                              ilt_clients[i].first.reg,
1515                              ilt_clients[i].first.val);
1516                 STORE_RT_REG(p_hwfn,
1517                              ilt_clients[i].last.reg, ilt_clients[i].last.val);
1518                 STORE_RT_REG(p_hwfn,
1519                              ilt_clients[i].p_size.reg,
1520                              ilt_clients[i].p_size.val);
1521         }
1522 }
1523
1524 static void qed_ilt_vf_bounds_init(struct qed_hwfn *p_hwfn)
1525 {
1526         struct qed_ilt_client_cfg *p_cli;
1527         u32 blk_factor;
1528
1529         /* For simplicty  we set the 'block' to be an ILT page */
1530         if (p_hwfn->cdev->p_iov_info) {
1531                 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
1532
1533                 STORE_RT_REG(p_hwfn,
1534                              PSWRQ2_REG_VF_BASE_RT_OFFSET,
1535                              p_iov->first_vf_in_pf);
1536                 STORE_RT_REG(p_hwfn,
1537                              PSWRQ2_REG_VF_LAST_ILT_RT_OFFSET,
1538                              p_iov->first_vf_in_pf + p_iov->total_vfs);
1539         }
1540
1541         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC];
1542         blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10);
1543         if (p_cli->active) {
1544                 STORE_RT_REG(p_hwfn,
1545                              PSWRQ2_REG_CDUC_BLOCKS_FACTOR_RT_OFFSET,
1546                              blk_factor);
1547                 STORE_RT_REG(p_hwfn,
1548                              PSWRQ2_REG_CDUC_NUMBER_OF_PF_BLOCKS_RT_OFFSET,
1549                              p_cli->pf_total_lines);
1550                 STORE_RT_REG(p_hwfn,
1551                              PSWRQ2_REG_CDUC_VF_BLOCKS_RT_OFFSET,
1552                              p_cli->vf_total_lines);
1553         }
1554
1555         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
1556         blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10);
1557         if (p_cli->active) {
1558                 STORE_RT_REG(p_hwfn,
1559                              PSWRQ2_REG_CDUT_BLOCKS_FACTOR_RT_OFFSET,
1560                              blk_factor);
1561                 STORE_RT_REG(p_hwfn,
1562                              PSWRQ2_REG_CDUT_NUMBER_OF_PF_BLOCKS_RT_OFFSET,
1563                              p_cli->pf_total_lines);
1564                 STORE_RT_REG(p_hwfn,
1565                              PSWRQ2_REG_CDUT_VF_BLOCKS_RT_OFFSET,
1566                              p_cli->vf_total_lines);
1567         }
1568
1569         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TM];
1570         blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10);
1571         if (p_cli->active) {
1572                 STORE_RT_REG(p_hwfn,
1573                              PSWRQ2_REG_TM_BLOCKS_FACTOR_RT_OFFSET, blk_factor);
1574                 STORE_RT_REG(p_hwfn,
1575                              PSWRQ2_REG_TM_NUMBER_OF_PF_BLOCKS_RT_OFFSET,
1576                              p_cli->pf_total_lines);
1577                 STORE_RT_REG(p_hwfn,
1578                              PSWRQ2_REG_TM_VF_BLOCKS_RT_OFFSET,
1579                              p_cli->vf_total_lines);
1580         }
1581 }
1582
1583 /* ILT (PSWRQ2) PF */
1584 static void qed_ilt_init_pf(struct qed_hwfn *p_hwfn)
1585 {
1586         struct qed_ilt_client_cfg *clients;
1587         struct qed_cxt_mngr *p_mngr;
1588         struct phys_mem_desc *p_shdw;
1589         u32 line, rt_offst, i;
1590
1591         qed_ilt_bounds_init(p_hwfn);
1592         qed_ilt_vf_bounds_init(p_hwfn);
1593
1594         p_mngr = p_hwfn->p_cxt_mngr;
1595         p_shdw = p_mngr->ilt_shadow;
1596         clients = p_hwfn->p_cxt_mngr->clients;
1597
1598         for_each_ilt_valid_client(i, clients) {
1599                 /** Client's 1st val and RT array are absolute, ILT shadows'
1600                  *  lines are relative.
1601                  */
1602                 line = clients[i].first.val - p_mngr->pf_start_line;
1603                 rt_offst = PSWRQ2_REG_ILT_MEMORY_RT_OFFSET +
1604                            clients[i].first.val * ILT_ENTRY_IN_REGS;
1605
1606                 for (; line <= clients[i].last.val - p_mngr->pf_start_line;
1607                      line++, rt_offst += ILT_ENTRY_IN_REGS) {
1608                         u64 ilt_hw_entry = 0;
1609
1610                         /** p_virt could be NULL incase of dynamic
1611                          *  allocation
1612                          */
1613                         if (p_shdw[line].virt_addr) {
1614                                 SET_FIELD(ilt_hw_entry, ILT_ENTRY_VALID, 1ULL);
1615                                 SET_FIELD(ilt_hw_entry, ILT_ENTRY_PHY_ADDR,
1616                                           (p_shdw[line].phys_addr >> 12));
1617
1618                                 DP_VERBOSE(p_hwfn, QED_MSG_ILT,
1619                                            "Setting RT[0x%08x] from ILT[0x%08x] [Client is %d] to Physical addr: 0x%llx\n",
1620                                            rt_offst, line, i,
1621                                            (u64)(p_shdw[line].phys_addr >> 12));
1622                         }
1623
1624                         STORE_RT_REG_AGG(p_hwfn, rt_offst, ilt_hw_entry);
1625                 }
1626         }
1627 }
1628
1629 /* SRC (Searcher) PF */
1630 static void qed_src_init_pf(struct qed_hwfn *p_hwfn)
1631 {
1632         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1633         u32 rounded_conn_num, conn_num, conn_max;
1634         struct qed_src_iids src_iids;
1635
1636         memset(&src_iids, 0, sizeof(src_iids));
1637         qed_cxt_src_iids(p_mngr, &src_iids);
1638         conn_num = src_iids.pf_cids + src_iids.per_vf_cids * p_mngr->vf_count;
1639         if (!conn_num)
1640                 return;
1641
1642         conn_max = max_t(u32, conn_num, SRC_MIN_NUM_ELEMS);
1643         rounded_conn_num = roundup_pow_of_two(conn_max);
1644
1645         STORE_RT_REG(p_hwfn, SRC_REG_COUNTFREE_RT_OFFSET, conn_num);
1646         STORE_RT_REG(p_hwfn, SRC_REG_NUMBER_HASH_BITS_RT_OFFSET,
1647                      ilog2(rounded_conn_num));
1648
1649         STORE_RT_REG_AGG(p_hwfn, SRC_REG_FIRSTFREE_RT_OFFSET,
1650                          p_hwfn->p_cxt_mngr->first_free);
1651         STORE_RT_REG_AGG(p_hwfn, SRC_REG_LASTFREE_RT_OFFSET,
1652                          p_hwfn->p_cxt_mngr->last_free);
1653 }
1654
1655 /* Timers PF */
1656 #define TM_CFG_NUM_IDS_SHIFT            0
1657 #define TM_CFG_NUM_IDS_MASK             0xFFFFULL
1658 #define TM_CFG_PRE_SCAN_OFFSET_SHIFT    16
1659 #define TM_CFG_PRE_SCAN_OFFSET_MASK     0x1FFULL
1660 #define TM_CFG_PARENT_PF_SHIFT          25
1661 #define TM_CFG_PARENT_PF_MASK           0x7ULL
1662
1663 #define TM_CFG_CID_PRE_SCAN_ROWS_SHIFT  30
1664 #define TM_CFG_CID_PRE_SCAN_ROWS_MASK   0x1FFULL
1665
1666 #define TM_CFG_TID_OFFSET_SHIFT         30
1667 #define TM_CFG_TID_OFFSET_MASK          0x7FFFFULL
1668 #define TM_CFG_TID_PRE_SCAN_ROWS_SHIFT  49
1669 #define TM_CFG_TID_PRE_SCAN_ROWS_MASK   0x1FFULL
1670
1671 static void qed_tm_init_pf(struct qed_hwfn *p_hwfn)
1672 {
1673         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1674         u32 active_seg_mask = 0, tm_offset, rt_reg;
1675         struct qed_tm_iids tm_iids;
1676         u64 cfg_word;
1677         u8 i;
1678
1679         memset(&tm_iids, 0, sizeof(tm_iids));
1680         qed_cxt_tm_iids(p_hwfn, p_mngr, &tm_iids);
1681
1682         /* @@@TBD No pre-scan for now */
1683
1684         /* Note: We assume consecutive VFs for a PF */
1685         for (i = 0; i < p_mngr->vf_count; i++) {
1686                 cfg_word = 0;
1687                 SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.per_vf_cids);
1688                 SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1689                 SET_FIELD(cfg_word, TM_CFG_PARENT_PF, p_hwfn->rel_pf_id);
1690                 SET_FIELD(cfg_word, TM_CFG_CID_PRE_SCAN_ROWS, 0);
1691                 rt_reg = TM_REG_CONFIG_CONN_MEM_RT_OFFSET +
1692                     (sizeof(cfg_word) / sizeof(u32)) *
1693                     (p_hwfn->cdev->p_iov_info->first_vf_in_pf + i);
1694                 STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1695         }
1696
1697         cfg_word = 0;
1698         SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.pf_cids);
1699         SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1700         SET_FIELD(cfg_word, TM_CFG_PARENT_PF, 0);       /* n/a for PF */
1701         SET_FIELD(cfg_word, TM_CFG_CID_PRE_SCAN_ROWS, 0);       /* scan all   */
1702
1703         rt_reg = TM_REG_CONFIG_CONN_MEM_RT_OFFSET +
1704             (sizeof(cfg_word) / sizeof(u32)) *
1705             (NUM_OF_VFS(p_hwfn->cdev) + p_hwfn->rel_pf_id);
1706         STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1707
1708         /* enale scan */
1709         STORE_RT_REG(p_hwfn, TM_REG_PF_ENABLE_CONN_RT_OFFSET,
1710                      tm_iids.pf_cids ? 0x1 : 0x0);
1711
1712         /* @@@TBD how to enable the scan for the VFs */
1713
1714         tm_offset = tm_iids.per_vf_cids;
1715
1716         /* Note: We assume consecutive VFs for a PF */
1717         for (i = 0; i < p_mngr->vf_count; i++) {
1718                 cfg_word = 0;
1719                 SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.per_vf_tids);
1720                 SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1721                 SET_FIELD(cfg_word, TM_CFG_PARENT_PF, p_hwfn->rel_pf_id);
1722                 SET_FIELD(cfg_word, TM_CFG_TID_OFFSET, tm_offset);
1723                 SET_FIELD(cfg_word, TM_CFG_TID_PRE_SCAN_ROWS, (u64) 0);
1724
1725                 rt_reg = TM_REG_CONFIG_TASK_MEM_RT_OFFSET +
1726                     (sizeof(cfg_word) / sizeof(u32)) *
1727                     (p_hwfn->cdev->p_iov_info->first_vf_in_pf + i);
1728
1729                 STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1730         }
1731
1732         tm_offset = tm_iids.pf_cids;
1733         for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
1734                 cfg_word = 0;
1735                 SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.pf_tids[i]);
1736                 SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1737                 SET_FIELD(cfg_word, TM_CFG_PARENT_PF, 0);
1738                 SET_FIELD(cfg_word, TM_CFG_TID_OFFSET, tm_offset);
1739                 SET_FIELD(cfg_word, TM_CFG_TID_PRE_SCAN_ROWS, (u64) 0);
1740
1741                 rt_reg = TM_REG_CONFIG_TASK_MEM_RT_OFFSET +
1742                     (sizeof(cfg_word) / sizeof(u32)) *
1743                     (NUM_OF_VFS(p_hwfn->cdev) +
1744                      p_hwfn->rel_pf_id * NUM_TASK_PF_SEGMENTS + i);
1745
1746                 STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1747                 active_seg_mask |= (tm_iids.pf_tids[i] ? BIT(i) : 0);
1748
1749                 tm_offset += tm_iids.pf_tids[i];
1750         }
1751
1752         if (QED_IS_RDMA_PERSONALITY(p_hwfn))
1753                 active_seg_mask = 0;
1754
1755         STORE_RT_REG(p_hwfn, TM_REG_PF_ENABLE_TASK_RT_OFFSET, active_seg_mask);
1756
1757         /* @@@TBD how to enable the scan for the VFs */
1758 }
1759
1760 static void qed_prs_init_common(struct qed_hwfn *p_hwfn)
1761 {
1762         if ((p_hwfn->hw_info.personality == QED_PCI_FCOE) &&
1763             p_hwfn->pf_params.fcoe_pf_params.is_target)
1764                 STORE_RT_REG(p_hwfn,
1765                              PRS_REG_SEARCH_RESP_INITIATOR_TYPE_RT_OFFSET, 0);
1766 }
1767
1768 static void qed_prs_init_pf(struct qed_hwfn *p_hwfn)
1769 {
1770         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1771         struct qed_conn_type_cfg *p_fcoe;
1772         struct qed_tid_seg *p_tid;
1773
1774         p_fcoe = &p_mngr->conn_cfg[PROTOCOLID_FCOE];
1775
1776         /* If FCoE is active set the MAX OX_ID (tid) in the Parser */
1777         if (!p_fcoe->cid_count)
1778                 return;
1779
1780         p_tid = &p_fcoe->tid_seg[QED_CXT_FCOE_TID_SEG];
1781         if (p_hwfn->pf_params.fcoe_pf_params.is_target) {
1782                 STORE_RT_REG_AGG(p_hwfn,
1783                                  PRS_REG_TASK_ID_MAX_TARGET_PF_RT_OFFSET,
1784                                  p_tid->count);
1785         } else {
1786                 STORE_RT_REG_AGG(p_hwfn,
1787                                  PRS_REG_TASK_ID_MAX_INITIATOR_PF_RT_OFFSET,
1788                                  p_tid->count);
1789         }
1790 }
1791
1792 void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn)
1793 {
1794         qed_cdu_init_common(p_hwfn);
1795         qed_prs_init_common(p_hwfn);
1796 }
1797
1798 void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1799 {
1800         qed_qm_init_pf(p_hwfn, p_ptt, true);
1801         qed_cm_init_pf(p_hwfn);
1802         qed_dq_init_pf(p_hwfn);
1803         qed_cdu_init_pf(p_hwfn);
1804         qed_ilt_init_pf(p_hwfn);
1805         qed_src_init_pf(p_hwfn);
1806         qed_tm_init_pf(p_hwfn);
1807         qed_prs_init_pf(p_hwfn);
1808 }
1809
1810 int _qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn,
1811                          enum protocol_type type, u32 *p_cid, u8 vfid)
1812 {
1813         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1814         struct qed_cid_acquired_map *p_map;
1815         u32 rel_cid;
1816
1817         if (type >= MAX_CONN_TYPES) {
1818                 DP_NOTICE(p_hwfn, "Invalid protocol type %d", type);
1819                 return -EINVAL;
1820         }
1821
1822         if (vfid >= MAX_NUM_VFS && vfid != QED_CXT_PF_CID) {
1823                 DP_NOTICE(p_hwfn, "VF [%02x] is out of range\n", vfid);
1824                 return -EINVAL;
1825         }
1826
1827         /* Determine the right map to take this CID from */
1828         if (vfid == QED_CXT_PF_CID)
1829                 p_map = &p_mngr->acquired[type];
1830         else
1831                 p_map = &p_mngr->acquired_vf[type][vfid];
1832
1833         if (!p_map->cid_map) {
1834                 DP_NOTICE(p_hwfn, "Invalid protocol type %d", type);
1835                 return -EINVAL;
1836         }
1837
1838         rel_cid = find_first_zero_bit(p_map->cid_map, p_map->max_count);
1839
1840         if (rel_cid >= p_map->max_count) {
1841                 DP_NOTICE(p_hwfn, "no CID available for protocol %d\n", type);
1842                 return -EINVAL;
1843         }
1844
1845         __set_bit(rel_cid, p_map->cid_map);
1846
1847         *p_cid = rel_cid + p_map->start_cid;
1848
1849         DP_VERBOSE(p_hwfn, QED_MSG_CXT,
1850                    "Acquired cid 0x%08x [rel. %08x] vfid %02x type %d\n",
1851                    *p_cid, rel_cid, vfid, type);
1852
1853         return 0;
1854 }
1855
1856 int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn,
1857                         enum protocol_type type, u32 *p_cid)
1858 {
1859         return _qed_cxt_acquire_cid(p_hwfn, type, p_cid, QED_CXT_PF_CID);
1860 }
1861
1862 static bool qed_cxt_test_cid_acquired(struct qed_hwfn *p_hwfn,
1863                                       u32 cid,
1864                                       u8 vfid,
1865                                       enum protocol_type *p_type,
1866                                       struct qed_cid_acquired_map **pp_map)
1867 {
1868         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1869         u32 rel_cid;
1870
1871         /* Iterate over protocols and find matching cid range */
1872         for (*p_type = 0; *p_type < MAX_CONN_TYPES; (*p_type)++) {
1873                 if (vfid == QED_CXT_PF_CID)
1874                         *pp_map = &p_mngr->acquired[*p_type];
1875                 else
1876                         *pp_map = &p_mngr->acquired_vf[*p_type][vfid];
1877
1878                 if (!((*pp_map)->cid_map))
1879                         continue;
1880                 if (cid >= (*pp_map)->start_cid &&
1881                     cid < (*pp_map)->start_cid + (*pp_map)->max_count)
1882                         break;
1883         }
1884
1885         if (*p_type == MAX_CONN_TYPES) {
1886                 DP_NOTICE(p_hwfn, "Invalid CID %d vfid %02x", cid, vfid);
1887                 goto fail;
1888         }
1889
1890         rel_cid = cid - (*pp_map)->start_cid;
1891         if (!test_bit(rel_cid, (*pp_map)->cid_map)) {
1892                 DP_NOTICE(p_hwfn, "CID %d [vifd %02x] not acquired",
1893                           cid, vfid);
1894                 goto fail;
1895         }
1896
1897         return true;
1898 fail:
1899         *p_type = MAX_CONN_TYPES;
1900         *pp_map = NULL;
1901         return false;
1902 }
1903
1904 void _qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid, u8 vfid)
1905 {
1906         struct qed_cid_acquired_map *p_map = NULL;
1907         enum protocol_type type;
1908         bool b_acquired;
1909         u32 rel_cid;
1910
1911         if (vfid != QED_CXT_PF_CID && vfid > MAX_NUM_VFS) {
1912                 DP_NOTICE(p_hwfn,
1913                           "Trying to return incorrect CID belonging to VF %02x\n",
1914                           vfid);
1915                 return;
1916         }
1917
1918         /* Test acquired and find matching per-protocol map */
1919         b_acquired = qed_cxt_test_cid_acquired(p_hwfn, cid, vfid,
1920                                                &type, &p_map);
1921
1922         if (!b_acquired)
1923                 return;
1924
1925         rel_cid = cid - p_map->start_cid;
1926         clear_bit(rel_cid, p_map->cid_map);
1927
1928         DP_VERBOSE(p_hwfn, QED_MSG_CXT,
1929                    "Released CID 0x%08x [rel. %08x] vfid %02x type %d\n",
1930                    cid, rel_cid, vfid, type);
1931 }
1932
1933 void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid)
1934 {
1935         _qed_cxt_release_cid(p_hwfn, cid, QED_CXT_PF_CID);
1936 }
1937
1938 int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, struct qed_cxt_info *p_info)
1939 {
1940         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1941         struct qed_cid_acquired_map *p_map = NULL;
1942         u32 conn_cxt_size, hw_p_size, cxts_per_p, line;
1943         enum protocol_type type;
1944         bool b_acquired;
1945
1946         /* Test acquired and find matching per-protocol map */
1947         b_acquired = qed_cxt_test_cid_acquired(p_hwfn, p_info->iid,
1948                                                QED_CXT_PF_CID, &type, &p_map);
1949
1950         if (!b_acquired)
1951                 return -EINVAL;
1952
1953         /* set the protocl type */
1954         p_info->type = type;
1955
1956         /* compute context virtual pointer */
1957         hw_p_size = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC].p_size.val;
1958
1959         conn_cxt_size = CONN_CXT_SIZE(p_hwfn);
1960         cxts_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / conn_cxt_size;
1961         line = p_info->iid / cxts_per_p;
1962
1963         /* Make sure context is allocated (dynamic allocation) */
1964         if (!p_mngr->ilt_shadow[line].virt_addr)
1965                 return -EINVAL;
1966
1967         p_info->p_cxt = p_mngr->ilt_shadow[line].virt_addr +
1968                         p_info->iid % cxts_per_p * conn_cxt_size;
1969
1970         DP_VERBOSE(p_hwfn, (QED_MSG_ILT | QED_MSG_CXT),
1971                    "Accessing ILT shadow[%d]: CXT pointer is at %p (for iid %d)\n",
1972                    p_info->iid / cxts_per_p, p_info->p_cxt, p_info->iid);
1973
1974         return 0;
1975 }
1976
1977 static void qed_rdma_set_pf_params(struct qed_hwfn *p_hwfn,
1978                                    struct qed_rdma_pf_params *p_params,
1979                                    u32 num_tasks)
1980 {
1981         u32 num_cons, num_qps;
1982         enum protocol_type proto;
1983
1984         if (p_hwfn->mcp_info->func_info.protocol == QED_PCI_ETH_RDMA) {
1985                 DP_VERBOSE(p_hwfn, QED_MSG_SP,
1986                            "Current day drivers don't support RoCE & iWARP simultaneously on the same PF. Default to RoCE-only\n");
1987                 p_hwfn->hw_info.personality = QED_PCI_ETH_ROCE;
1988         }
1989
1990         switch (p_hwfn->hw_info.personality) {
1991         case QED_PCI_ETH_IWARP:
1992                 /* Each QP requires one connection */
1993                 num_cons = min_t(u32, IWARP_MAX_QPS, p_params->num_qps);
1994                 proto = PROTOCOLID_IWARP;
1995                 break;
1996         case QED_PCI_ETH_ROCE:
1997                 num_qps = min_t(u32, ROCE_MAX_QPS, p_params->num_qps);
1998                 num_cons = num_qps * 2; /* each QP requires two connections */
1999                 proto = PROTOCOLID_ROCE;
2000                 break;
2001         default:
2002                 return;
2003         }
2004
2005         if (num_cons && num_tasks) {
2006                 u32 num_srqs, num_xrc_srqs;
2007
2008                 qed_cxt_set_proto_cid_count(p_hwfn, proto, num_cons, 0);
2009
2010                 /* Deliberatly passing ROCE for tasks id. This is because
2011                  * iWARP / RoCE share the task id.
2012                  */
2013                 qed_cxt_set_proto_tid_count(p_hwfn, PROTOCOLID_ROCE,
2014                                             QED_CXT_ROCE_TID_SEG, 1,
2015                                             num_tasks, false);
2016
2017                 num_srqs = min_t(u32, QED_RDMA_MAX_SRQS, p_params->num_srqs);
2018
2019                 /* XRC SRQs populate a single ILT page */
2020                 num_xrc_srqs = qed_cxt_xrc_srqs_per_page(p_hwfn);
2021
2022                 qed_cxt_set_srq_count(p_hwfn, num_srqs, num_xrc_srqs);
2023         } else {
2024                 DP_INFO(p_hwfn->cdev,
2025                         "RDMA personality used without setting params!\n");
2026         }
2027 }
2028
2029 int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks)
2030 {
2031         /* Set the number of required CORE connections */
2032         u32 core_cids = 1; /* SPQ */
2033
2034         if (p_hwfn->using_ll2)
2035                 core_cids += 4;
2036         qed_cxt_set_proto_cid_count(p_hwfn, PROTOCOLID_CORE, core_cids, 0);
2037
2038         switch (p_hwfn->hw_info.personality) {
2039         case QED_PCI_ETH_RDMA:
2040         case QED_PCI_ETH_IWARP:
2041         case QED_PCI_ETH_ROCE:
2042         {
2043                         qed_rdma_set_pf_params(p_hwfn,
2044                                                &p_hwfn->
2045                                                pf_params.rdma_pf_params,
2046                                                rdma_tasks);
2047                 /* no need for break since RoCE coexist with Ethernet */
2048         }
2049                 fallthrough;
2050         case QED_PCI_ETH:
2051         {
2052                 struct qed_eth_pf_params *p_params =
2053                     &p_hwfn->pf_params.eth_pf_params;
2054
2055                 if (!p_params->num_vf_cons)
2056                         p_params->num_vf_cons =
2057                             ETH_PF_PARAMS_VF_CONS_DEFAULT;
2058                 qed_cxt_set_proto_cid_count(p_hwfn, PROTOCOLID_ETH,
2059                                             p_params->num_cons,
2060                                             p_params->num_vf_cons);
2061                 p_hwfn->p_cxt_mngr->arfs_count = p_params->num_arfs_filters;
2062                 break;
2063         }
2064         case QED_PCI_FCOE:
2065         {
2066                 struct qed_fcoe_pf_params *p_params;
2067
2068                 p_params = &p_hwfn->pf_params.fcoe_pf_params;
2069
2070                 if (p_params->num_cons && p_params->num_tasks) {
2071                         qed_cxt_set_proto_cid_count(p_hwfn,
2072                                                     PROTOCOLID_FCOE,
2073                                                     p_params->num_cons,
2074                                                     0);
2075
2076                         qed_cxt_set_proto_tid_count(p_hwfn, PROTOCOLID_FCOE,
2077                                                     QED_CXT_FCOE_TID_SEG, 0,
2078                                                     p_params->num_tasks, true);
2079                 } else {
2080                         DP_INFO(p_hwfn->cdev,
2081                                 "Fcoe personality used without setting params!\n");
2082                 }
2083                 break;
2084         }
2085         case QED_PCI_ISCSI:
2086         {
2087                 struct qed_iscsi_pf_params *p_params;
2088
2089                 p_params = &p_hwfn->pf_params.iscsi_pf_params;
2090
2091                 if (p_params->num_cons && p_params->num_tasks) {
2092                         qed_cxt_set_proto_cid_count(p_hwfn,
2093                                                     PROTOCOLID_ISCSI,
2094                                                     p_params->num_cons,
2095                                                     0);
2096
2097                         qed_cxt_set_proto_tid_count(p_hwfn,
2098                                                     PROTOCOLID_ISCSI,
2099                                                     QED_CXT_ISCSI_TID_SEG,
2100                                                     0,
2101                                                     p_params->num_tasks,
2102                                                     true);
2103                 } else {
2104                         DP_INFO(p_hwfn->cdev,
2105                                 "Iscsi personality used without setting params!\n");
2106                 }
2107                 break;
2108         }
2109         default:
2110                 return -EINVAL;
2111         }
2112
2113         return 0;
2114 }
2115
2116 int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn,
2117                              struct qed_tid_mem *p_info)
2118 {
2119         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
2120         u32 proto, seg, total_lines, i, shadow_line;
2121         struct qed_ilt_client_cfg *p_cli;
2122         struct qed_ilt_cli_blk *p_fl_seg;
2123         struct qed_tid_seg *p_seg_info;
2124
2125         /* Verify the personality */
2126         switch (p_hwfn->hw_info.personality) {
2127         case QED_PCI_FCOE:
2128                 proto = PROTOCOLID_FCOE;
2129                 seg = QED_CXT_FCOE_TID_SEG;
2130                 break;
2131         case QED_PCI_ISCSI:
2132                 proto = PROTOCOLID_ISCSI;
2133                 seg = QED_CXT_ISCSI_TID_SEG;
2134                 break;
2135         default:
2136                 return -EINVAL;
2137         }
2138
2139         p_cli = &p_mngr->clients[ILT_CLI_CDUT];
2140         if (!p_cli->active)
2141                 return -EINVAL;
2142
2143         p_seg_info = &p_mngr->conn_cfg[proto].tid_seg[seg];
2144         if (!p_seg_info->has_fl_mem)
2145                 return -EINVAL;
2146
2147         p_fl_seg = &p_cli->pf_blks[CDUT_FL_SEG_BLK(seg, PF)];
2148         total_lines = DIV_ROUND_UP(p_fl_seg->total_size,
2149                                    p_fl_seg->real_size_in_page);
2150
2151         for (i = 0; i < total_lines; i++) {
2152                 shadow_line = i + p_fl_seg->start_line -
2153                     p_hwfn->p_cxt_mngr->pf_start_line;
2154                 p_info->blocks[i] = p_mngr->ilt_shadow[shadow_line].virt_addr;
2155         }
2156         p_info->waste = ILT_PAGE_IN_BYTES(p_cli->p_size.val) -
2157             p_fl_seg->real_size_in_page;
2158         p_info->tid_size = p_mngr->task_type_size[p_seg_info->type];
2159         p_info->num_tids_per_block = p_fl_seg->real_size_in_page /
2160             p_info->tid_size;
2161
2162         return 0;
2163 }
2164
2165 /* This function is very RoCE oriented, if another protocol in the future
2166  * will want this feature we'll need to modify the function to be more generic
2167  */
2168 int
2169 qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn,
2170                           enum qed_cxt_elem_type elem_type, u32 iid)
2171 {
2172         u32 reg_offset, shadow_line, elem_size, hw_p_size, elems_per_p, line;
2173         struct tdif_task_context *tdif_context;
2174         struct qed_ilt_client_cfg *p_cli;
2175         struct qed_ilt_cli_blk *p_blk;
2176         struct qed_ptt *p_ptt;
2177         dma_addr_t p_phys;
2178         u64 ilt_hw_entry;
2179         void *p_virt;
2180         u32 flags1;
2181         int rc = 0;
2182
2183         switch (elem_type) {
2184         case QED_ELEM_CXT:
2185                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC];
2186                 elem_size = CONN_CXT_SIZE(p_hwfn);
2187                 p_blk = &p_cli->pf_blks[CDUC_BLK];
2188                 break;
2189         case QED_ELEM_SRQ:
2190                 /* The first ILT page is not used for regular SRQs. Skip it. */
2191                 iid += p_hwfn->p_cxt_mngr->xrc_srq_count;
2192                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2193                 elem_size = SRQ_CXT_SIZE;
2194                 p_blk = &p_cli->pf_blks[SRQ_BLK];
2195                 break;
2196         case QED_ELEM_XRC_SRQ:
2197                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2198                 elem_size = XRC_SRQ_CXT_SIZE;
2199                 p_blk = &p_cli->pf_blks[SRQ_BLK];
2200                 break;
2201         case QED_ELEM_TASK:
2202                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2203                 elem_size = TYPE1_TASK_CXT_SIZE(p_hwfn);
2204                 p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(QED_CXT_ROCE_TID_SEG)];
2205                 break;
2206         default:
2207                 DP_NOTICE(p_hwfn, "-EINVALID elem type = %d", elem_type);
2208                 return -EINVAL;
2209         }
2210
2211         /* Calculate line in ilt */
2212         hw_p_size = p_cli->p_size.val;
2213         elems_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / elem_size;
2214         line = p_blk->start_line + (iid / elems_per_p);
2215         shadow_line = line - p_hwfn->p_cxt_mngr->pf_start_line;
2216
2217         /* If line is already allocated, do nothing, otherwise allocate it and
2218          * write it to the PSWRQ2 registers.
2219          * This section can be run in parallel from different contexts and thus
2220          * a mutex protection is needed.
2221          */
2222
2223         mutex_lock(&p_hwfn->p_cxt_mngr->mutex);
2224
2225         if (p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].virt_addr)
2226                 goto out0;
2227
2228         p_ptt = qed_ptt_acquire(p_hwfn);
2229         if (!p_ptt) {
2230                 DP_NOTICE(p_hwfn,
2231                           "QED_TIME_OUT on ptt acquire - dynamic allocation");
2232                 rc = -EBUSY;
2233                 goto out0;
2234         }
2235
2236         p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
2237                                     p_blk->real_size_in_page, &p_phys,
2238                                     GFP_KERNEL);
2239         if (!p_virt) {
2240                 rc = -ENOMEM;
2241                 goto out1;
2242         }
2243
2244         /* configuration of refTagMask to 0xF is required for RoCE DIF MR only,
2245          * to compensate for a HW bug, but it is configured even if DIF is not
2246          * enabled. This is harmless and allows us to avoid a dedicated API. We
2247          * configure the field for all of the contexts on the newly allocated
2248          * page.
2249          */
2250         if (elem_type == QED_ELEM_TASK) {
2251                 u32 elem_i;
2252                 u8 *elem_start = (u8 *)p_virt;
2253                 union type1_task_context *elem;
2254
2255                 for (elem_i = 0; elem_i < elems_per_p; elem_i++) {
2256                         elem = (union type1_task_context *)elem_start;
2257                         tdif_context = &elem->roce_ctx.tdif_context;
2258
2259                         flags1 = le32_to_cpu(tdif_context->flags1);
2260                         SET_FIELD(flags1, TDIF_TASK_CONTEXT_REF_TAG_MASK, 0xf);
2261                         tdif_context->flags1 = cpu_to_le32(flags1);
2262
2263                         elem_start += TYPE1_TASK_CXT_SIZE(p_hwfn);
2264                 }
2265         }
2266
2267         p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].virt_addr = p_virt;
2268         p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].phys_addr = p_phys;
2269         p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].size =
2270             p_blk->real_size_in_page;
2271
2272         /* compute absolute offset */
2273         reg_offset = PSWRQ2_REG_ILT_MEMORY +
2274             (line * ILT_REG_SIZE_IN_BYTES * ILT_ENTRY_IN_REGS);
2275
2276         ilt_hw_entry = 0;
2277         SET_FIELD(ilt_hw_entry, ILT_ENTRY_VALID, 1ULL);
2278         SET_FIELD(ilt_hw_entry, ILT_ENTRY_PHY_ADDR,
2279                   (p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].phys_addr
2280                    >> 12));
2281
2282         /* Write via DMAE since the PSWRQ2_REG_ILT_MEMORY line is a wide-bus */
2283         qed_dmae_host2grc(p_hwfn, p_ptt, (u64) (uintptr_t)&ilt_hw_entry,
2284                           reg_offset, sizeof(ilt_hw_entry) / sizeof(u32),
2285                           NULL);
2286
2287         if (elem_type == QED_ELEM_CXT) {
2288                 u32 last_cid_allocated = (1 + (iid / elems_per_p)) *
2289                     elems_per_p;
2290
2291                 /* Update the relevant register in the parser */
2292                 qed_wr(p_hwfn, p_ptt, PRS_REG_ROCE_DEST_QP_MAX_PF,
2293                        last_cid_allocated - 1);
2294
2295                 if (!p_hwfn->b_rdma_enabled_in_prs) {
2296                         /* Enable RDMA search */
2297                         qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 1);
2298                         p_hwfn->b_rdma_enabled_in_prs = true;
2299                 }
2300         }
2301
2302 out1:
2303         qed_ptt_release(p_hwfn, p_ptt);
2304 out0:
2305         mutex_unlock(&p_hwfn->p_cxt_mngr->mutex);
2306
2307         return rc;
2308 }
2309
2310 /* This function is very RoCE oriented, if another protocol in the future
2311  * will want this feature we'll need to modify the function to be more generic
2312  */
2313 static int
2314 qed_cxt_free_ilt_range(struct qed_hwfn *p_hwfn,
2315                        enum qed_cxt_elem_type elem_type,
2316                        u32 start_iid, u32 count)
2317 {
2318         u32 start_line, end_line, shadow_start_line, shadow_end_line;
2319         u32 reg_offset, elem_size, hw_p_size, elems_per_p;
2320         struct qed_ilt_client_cfg *p_cli;
2321         struct qed_ilt_cli_blk *p_blk;
2322         u32 end_iid = start_iid + count;
2323         struct qed_ptt *p_ptt;
2324         u64 ilt_hw_entry = 0;
2325         u32 i;
2326
2327         switch (elem_type) {
2328         case QED_ELEM_CXT:
2329                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC];
2330                 elem_size = CONN_CXT_SIZE(p_hwfn);
2331                 p_blk = &p_cli->pf_blks[CDUC_BLK];
2332                 break;
2333         case QED_ELEM_SRQ:
2334                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2335                 elem_size = SRQ_CXT_SIZE;
2336                 p_blk = &p_cli->pf_blks[SRQ_BLK];
2337                 break;
2338         case QED_ELEM_XRC_SRQ:
2339                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2340                 elem_size = XRC_SRQ_CXT_SIZE;
2341                 p_blk = &p_cli->pf_blks[SRQ_BLK];
2342                 break;
2343         case QED_ELEM_TASK:
2344                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2345                 elem_size = TYPE1_TASK_CXT_SIZE(p_hwfn);
2346                 p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(QED_CXT_ROCE_TID_SEG)];
2347                 break;
2348         default:
2349                 DP_NOTICE(p_hwfn, "-EINVALID elem type = %d", elem_type);
2350                 return -EINVAL;
2351         }
2352
2353         /* Calculate line in ilt */
2354         hw_p_size = p_cli->p_size.val;
2355         elems_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / elem_size;
2356         start_line = p_blk->start_line + (start_iid / elems_per_p);
2357         end_line = p_blk->start_line + (end_iid / elems_per_p);
2358         if (((end_iid + 1) / elems_per_p) != (end_iid / elems_per_p))
2359                 end_line--;
2360
2361         shadow_start_line = start_line - p_hwfn->p_cxt_mngr->pf_start_line;
2362         shadow_end_line = end_line - p_hwfn->p_cxt_mngr->pf_start_line;
2363
2364         p_ptt = qed_ptt_acquire(p_hwfn);
2365         if (!p_ptt) {
2366                 DP_NOTICE(p_hwfn,
2367                           "QED_TIME_OUT on ptt acquire - dynamic allocation");
2368                 return -EBUSY;
2369         }
2370
2371         for (i = shadow_start_line; i < shadow_end_line; i++) {
2372                 if (!p_hwfn->p_cxt_mngr->ilt_shadow[i].virt_addr)
2373                         continue;
2374
2375                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
2376                                   p_hwfn->p_cxt_mngr->ilt_shadow[i].size,
2377                                   p_hwfn->p_cxt_mngr->ilt_shadow[i].virt_addr,
2378                                   p_hwfn->p_cxt_mngr->ilt_shadow[i].phys_addr);
2379
2380                 p_hwfn->p_cxt_mngr->ilt_shadow[i].virt_addr = NULL;
2381                 p_hwfn->p_cxt_mngr->ilt_shadow[i].phys_addr = 0;
2382                 p_hwfn->p_cxt_mngr->ilt_shadow[i].size = 0;
2383
2384                 /* compute absolute offset */
2385                 reg_offset = PSWRQ2_REG_ILT_MEMORY +
2386                     ((start_line++) * ILT_REG_SIZE_IN_BYTES *
2387                      ILT_ENTRY_IN_REGS);
2388
2389                 /* Write via DMAE since the PSWRQ2_REG_ILT_MEMORY line is a
2390                  * wide-bus.
2391                  */
2392                 qed_dmae_host2grc(p_hwfn, p_ptt,
2393                                   (u64) (uintptr_t) &ilt_hw_entry,
2394                                   reg_offset,
2395                                   sizeof(ilt_hw_entry) / sizeof(u32),
2396                                   NULL);
2397         }
2398
2399         qed_ptt_release(p_hwfn, p_ptt);
2400
2401         return 0;
2402 }
2403
2404 int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto)
2405 {
2406         int rc;
2407         u32 cid;
2408
2409         /* Free Connection CXT */
2410         rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_CXT,
2411                                     qed_cxt_get_proto_cid_start(p_hwfn,
2412                                                                 proto),
2413                                     qed_cxt_get_proto_cid_count(p_hwfn,
2414                                                                 proto, &cid));
2415
2416         if (rc)
2417                 return rc;
2418
2419         /* Free Task CXT ( Intentionally RoCE as task-id is shared between
2420          * RoCE and iWARP )
2421          */
2422         proto = PROTOCOLID_ROCE;
2423         rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_TASK, 0,
2424                                     qed_cxt_get_proto_tid_count(p_hwfn, proto));
2425         if (rc)
2426                 return rc;
2427
2428         /* Free TSDM CXT */
2429         rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_XRC_SRQ, 0,
2430                                     p_hwfn->p_cxt_mngr->xrc_srq_count);
2431
2432         rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_SRQ,
2433                                     p_hwfn->p_cxt_mngr->xrc_srq_count,
2434                                     p_hwfn->p_cxt_mngr->srq_count);
2435
2436         return rc;
2437 }
2438
2439 int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn,
2440                          u32 tid, u8 ctx_type, void **pp_task_ctx)
2441 {
2442         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
2443         struct qed_ilt_client_cfg *p_cli;
2444         struct qed_tid_seg *p_seg_info;
2445         struct qed_ilt_cli_blk *p_seg;
2446         u32 num_tids_per_block;
2447         u32 tid_size, ilt_idx;
2448         u32 total_lines;
2449         u32 proto, seg;
2450
2451         /* Verify the personality */
2452         switch (p_hwfn->hw_info.personality) {
2453         case QED_PCI_FCOE:
2454                 proto = PROTOCOLID_FCOE;
2455                 seg = QED_CXT_FCOE_TID_SEG;
2456                 break;
2457         case QED_PCI_ISCSI:
2458                 proto = PROTOCOLID_ISCSI;
2459                 seg = QED_CXT_ISCSI_TID_SEG;
2460                 break;
2461         default:
2462                 return -EINVAL;
2463         }
2464
2465         p_cli = &p_mngr->clients[ILT_CLI_CDUT];
2466         if (!p_cli->active)
2467                 return -EINVAL;
2468
2469         p_seg_info = &p_mngr->conn_cfg[proto].tid_seg[seg];
2470
2471         if (ctx_type == QED_CTX_WORKING_MEM) {
2472                 p_seg = &p_cli->pf_blks[CDUT_SEG_BLK(seg)];
2473         } else if (ctx_type == QED_CTX_FL_MEM) {
2474                 if (!p_seg_info->has_fl_mem)
2475                         return -EINVAL;
2476                 p_seg = &p_cli->pf_blks[CDUT_FL_SEG_BLK(seg, PF)];
2477         } else {
2478                 return -EINVAL;
2479         }
2480         total_lines = DIV_ROUND_UP(p_seg->total_size, p_seg->real_size_in_page);
2481         tid_size = p_mngr->task_type_size[p_seg_info->type];
2482         num_tids_per_block = p_seg->real_size_in_page / tid_size;
2483
2484         if (total_lines < tid / num_tids_per_block)
2485                 return -EINVAL;
2486
2487         ilt_idx = tid / num_tids_per_block + p_seg->start_line -
2488                   p_mngr->pf_start_line;
2489         *pp_task_ctx = (u8 *)p_mngr->ilt_shadow[ilt_idx].virt_addr +
2490                        (tid % num_tids_per_block) * tid_size;
2491
2492         return 0;
2493 }
2494
2495 static u16 qed_blk_calculate_pages(struct qed_ilt_cli_blk *p_blk)
2496 {
2497         if (p_blk->real_size_in_page == 0)
2498                 return 0;
2499
2500         return DIV_ROUND_UP(p_blk->total_size, p_blk->real_size_in_page);
2501 }
2502
2503 u16 qed_get_cdut_num_pf_init_pages(struct qed_hwfn *p_hwfn)
2504 {
2505         struct qed_ilt_client_cfg *p_cli;
2506         struct qed_ilt_cli_blk *p_blk;
2507         u16 i, pages = 0;
2508
2509         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2510         for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
2511                 p_blk = &p_cli->pf_blks[CDUT_FL_SEG_BLK(i, PF)];
2512                 pages += qed_blk_calculate_pages(p_blk);
2513         }
2514
2515         return pages;
2516 }
2517
2518 u16 qed_get_cdut_num_vf_init_pages(struct qed_hwfn *p_hwfn)
2519 {
2520         struct qed_ilt_client_cfg *p_cli;
2521         struct qed_ilt_cli_blk *p_blk;
2522         u16 i, pages = 0;
2523
2524         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2525         for (i = 0; i < NUM_TASK_VF_SEGMENTS; i++) {
2526                 p_blk = &p_cli->vf_blks[CDUT_FL_SEG_BLK(i, VF)];
2527                 pages += qed_blk_calculate_pages(p_blk);
2528         }
2529
2530         return pages;
2531 }
2532
2533 u16 qed_get_cdut_num_pf_work_pages(struct qed_hwfn *p_hwfn)
2534 {
2535         struct qed_ilt_client_cfg *p_cli;
2536         struct qed_ilt_cli_blk *p_blk;
2537         u16 i, pages = 0;
2538
2539         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2540         for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
2541                 p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(i)];
2542                 pages += qed_blk_calculate_pages(p_blk);
2543         }
2544
2545         return pages;
2546 }
2547
2548 u16 qed_get_cdut_num_vf_work_pages(struct qed_hwfn *p_hwfn)
2549 {
2550         struct qed_ilt_client_cfg *p_cli;
2551         struct qed_ilt_cli_blk *p_blk;
2552         u16 pages = 0, i;
2553
2554         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2555         for (i = 0; i < NUM_TASK_VF_SEGMENTS; i++) {
2556                 p_blk = &p_cli->vf_blks[CDUT_SEG_BLK(i)];
2557                 pages += qed_blk_calculate_pages(p_blk);
2558         }
2559
2560         return pages;
2561 }