GNU Linux-libre 5.10.215-gnu1
[releases.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         p_mngr->ilt_shadow = NULL;
937 }
938
939 static int qed_ilt_blk_alloc(struct qed_hwfn *p_hwfn,
940                              struct qed_ilt_cli_blk *p_blk,
941                              enum ilt_clients ilt_client,
942                              u32 start_line_offset)
943 {
944         struct phys_mem_desc *ilt_shadow = p_hwfn->p_cxt_mngr->ilt_shadow;
945         u32 lines, line, sz_left, lines_to_skip = 0;
946
947         /* Special handling for RoCE that supports dynamic allocation */
948         if (QED_IS_RDMA_PERSONALITY(p_hwfn) &&
949             ((ilt_client == ILT_CLI_CDUT) || ilt_client == ILT_CLI_TSDM))
950                 return 0;
951
952         lines_to_skip = p_blk->dynamic_line_cnt;
953
954         if (!p_blk->total_size)
955                 return 0;
956
957         sz_left = p_blk->total_size;
958         lines = DIV_ROUND_UP(sz_left, p_blk->real_size_in_page) - lines_to_skip;
959         line = p_blk->start_line + start_line_offset -
960             p_hwfn->p_cxt_mngr->pf_start_line + lines_to_skip;
961
962         for (; lines; lines--) {
963                 dma_addr_t p_phys;
964                 void *p_virt;
965                 u32 size;
966
967                 size = min_t(u32, sz_left, p_blk->real_size_in_page);
968                 p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, size,
969                                             &p_phys, GFP_KERNEL);
970                 if (!p_virt)
971                         return -ENOMEM;
972
973                 ilt_shadow[line].phys_addr = p_phys;
974                 ilt_shadow[line].virt_addr = p_virt;
975                 ilt_shadow[line].size = size;
976
977                 DP_VERBOSE(p_hwfn, QED_MSG_ILT,
978                            "ILT shadow: Line [%d] Physical 0x%llx Virtual %p Size %d\n",
979                             line, (u64)p_phys, p_virt, size);
980
981                 sz_left -= size;
982                 line++;
983         }
984
985         return 0;
986 }
987
988 static int qed_ilt_shadow_alloc(struct qed_hwfn *p_hwfn)
989 {
990         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
991         struct qed_ilt_client_cfg *clients = p_mngr->clients;
992         struct qed_ilt_cli_blk *p_blk;
993         u32 size, i, j, k;
994         int rc;
995
996         size = qed_cxt_ilt_shadow_size(clients);
997         p_mngr->ilt_shadow = kcalloc(size, sizeof(struct phys_mem_desc),
998                                      GFP_KERNEL);
999         if (!p_mngr->ilt_shadow) {
1000                 rc = -ENOMEM;
1001                 goto ilt_shadow_fail;
1002         }
1003
1004         DP_VERBOSE(p_hwfn, QED_MSG_ILT,
1005                    "Allocated 0x%x bytes for ilt shadow\n",
1006                    (u32)(size * sizeof(struct phys_mem_desc)));
1007
1008         for_each_ilt_valid_client(i, clients) {
1009                 for (j = 0; j < ILT_CLI_PF_BLOCKS; j++) {
1010                         p_blk = &clients[i].pf_blks[j];
1011                         rc = qed_ilt_blk_alloc(p_hwfn, p_blk, i, 0);
1012                         if (rc)
1013                                 goto ilt_shadow_fail;
1014                 }
1015                 for (k = 0; k < p_mngr->vf_count; k++) {
1016                         for (j = 0; j < ILT_CLI_VF_BLOCKS; j++) {
1017                                 u32 lines = clients[i].vf_total_lines * k;
1018
1019                                 p_blk = &clients[i].vf_blks[j];
1020                                 rc = qed_ilt_blk_alloc(p_hwfn, p_blk, i, lines);
1021                                 if (rc)
1022                                         goto ilt_shadow_fail;
1023                         }
1024                 }
1025         }
1026
1027         return 0;
1028
1029 ilt_shadow_fail:
1030         qed_ilt_shadow_free(p_hwfn);
1031         return rc;
1032 }
1033
1034 static void qed_cid_map_free(struct qed_hwfn *p_hwfn)
1035 {
1036         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1037         u32 type, vf;
1038
1039         for (type = 0; type < MAX_CONN_TYPES; type++) {
1040                 kfree(p_mngr->acquired[type].cid_map);
1041                 p_mngr->acquired[type].max_count = 0;
1042                 p_mngr->acquired[type].start_cid = 0;
1043
1044                 for (vf = 0; vf < MAX_NUM_VFS; vf++) {
1045                         kfree(p_mngr->acquired_vf[type][vf].cid_map);
1046                         p_mngr->acquired_vf[type][vf].max_count = 0;
1047                         p_mngr->acquired_vf[type][vf].start_cid = 0;
1048                 }
1049         }
1050 }
1051
1052 static int
1053 qed_cid_map_alloc_single(struct qed_hwfn *p_hwfn,
1054                          u32 type,
1055                          u32 cid_start,
1056                          u32 cid_count, struct qed_cid_acquired_map *p_map)
1057 {
1058         u32 size;
1059
1060         if (!cid_count)
1061                 return 0;
1062
1063         size = DIV_ROUND_UP(cid_count,
1064                             sizeof(unsigned long) * BITS_PER_BYTE) *
1065                sizeof(unsigned long);
1066         p_map->cid_map = kzalloc(size, GFP_KERNEL);
1067         if (!p_map->cid_map)
1068                 return -ENOMEM;
1069
1070         p_map->max_count = cid_count;
1071         p_map->start_cid = cid_start;
1072
1073         DP_VERBOSE(p_hwfn, QED_MSG_CXT,
1074                    "Type %08x start: %08x count %08x\n",
1075                    type, p_map->start_cid, p_map->max_count);
1076
1077         return 0;
1078 }
1079
1080 static int qed_cid_map_alloc(struct qed_hwfn *p_hwfn)
1081 {
1082         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1083         u32 start_cid = 0, vf_start_cid = 0;
1084         u32 type, vf;
1085
1086         for (type = 0; type < MAX_CONN_TYPES; type++) {
1087                 struct qed_conn_type_cfg *p_cfg = &p_mngr->conn_cfg[type];
1088                 struct qed_cid_acquired_map *p_map;
1089
1090                 /* Handle PF maps */
1091                 p_map = &p_mngr->acquired[type];
1092                 if (qed_cid_map_alloc_single(p_hwfn, type, start_cid,
1093                                              p_cfg->cid_count, p_map))
1094                         goto cid_map_fail;
1095
1096                 /* Handle VF maps */
1097                 for (vf = 0; vf < MAX_NUM_VFS; vf++) {
1098                         p_map = &p_mngr->acquired_vf[type][vf];
1099                         if (qed_cid_map_alloc_single(p_hwfn, type,
1100                                                      vf_start_cid,
1101                                                      p_cfg->cids_per_vf, p_map))
1102                                 goto cid_map_fail;
1103                 }
1104
1105                 start_cid += p_cfg->cid_count;
1106                 vf_start_cid += p_cfg->cids_per_vf;
1107         }
1108
1109         return 0;
1110
1111 cid_map_fail:
1112         qed_cid_map_free(p_hwfn);
1113         return -ENOMEM;
1114 }
1115
1116 int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn)
1117 {
1118         struct qed_ilt_client_cfg *clients;
1119         struct qed_cxt_mngr *p_mngr;
1120         u32 i;
1121
1122         p_mngr = kzalloc(sizeof(*p_mngr), GFP_KERNEL);
1123         if (!p_mngr)
1124                 return -ENOMEM;
1125
1126         /* Initialize ILT client registers */
1127         clients = p_mngr->clients;
1128         clients[ILT_CLI_CDUC].first.reg = ILT_CFG_REG(CDUC, FIRST_ILT);
1129         clients[ILT_CLI_CDUC].last.reg = ILT_CFG_REG(CDUC, LAST_ILT);
1130         clients[ILT_CLI_CDUC].p_size.reg = ILT_CFG_REG(CDUC, P_SIZE);
1131
1132         clients[ILT_CLI_QM].first.reg = ILT_CFG_REG(QM, FIRST_ILT);
1133         clients[ILT_CLI_QM].last.reg = ILT_CFG_REG(QM, LAST_ILT);
1134         clients[ILT_CLI_QM].p_size.reg = ILT_CFG_REG(QM, P_SIZE);
1135
1136         clients[ILT_CLI_TM].first.reg = ILT_CFG_REG(TM, FIRST_ILT);
1137         clients[ILT_CLI_TM].last.reg = ILT_CFG_REG(TM, LAST_ILT);
1138         clients[ILT_CLI_TM].p_size.reg = ILT_CFG_REG(TM, P_SIZE);
1139
1140         clients[ILT_CLI_SRC].first.reg = ILT_CFG_REG(SRC, FIRST_ILT);
1141         clients[ILT_CLI_SRC].last.reg = ILT_CFG_REG(SRC, LAST_ILT);
1142         clients[ILT_CLI_SRC].p_size.reg = ILT_CFG_REG(SRC, P_SIZE);
1143
1144         clients[ILT_CLI_CDUT].first.reg = ILT_CFG_REG(CDUT, FIRST_ILT);
1145         clients[ILT_CLI_CDUT].last.reg = ILT_CFG_REG(CDUT, LAST_ILT);
1146         clients[ILT_CLI_CDUT].p_size.reg = ILT_CFG_REG(CDUT, P_SIZE);
1147
1148         clients[ILT_CLI_TSDM].first.reg = ILT_CFG_REG(TSDM, FIRST_ILT);
1149         clients[ILT_CLI_TSDM].last.reg = ILT_CFG_REG(TSDM, LAST_ILT);
1150         clients[ILT_CLI_TSDM].p_size.reg = ILT_CFG_REG(TSDM, P_SIZE);
1151         /* default ILT page size for all clients is 64K */
1152         for (i = 0; i < MAX_ILT_CLIENTS; i++)
1153                 p_mngr->clients[i].p_size.val = ILT_DEFAULT_HW_P_SIZE;
1154
1155         p_mngr->conn_ctx_size = CONN_CXT_SIZE(p_hwfn);
1156
1157         /* Initialize task sizes */
1158         p_mngr->task_type_size[0] = TYPE0_TASK_CXT_SIZE(p_hwfn);
1159         p_mngr->task_type_size[1] = TYPE1_TASK_CXT_SIZE(p_hwfn);
1160
1161         if (p_hwfn->cdev->p_iov_info) {
1162                 p_mngr->vf_count = p_hwfn->cdev->p_iov_info->total_vfs;
1163                 p_mngr->first_vf_in_pf =
1164                         p_hwfn->cdev->p_iov_info->first_vf_in_pf;
1165         }
1166         /* Initialize the dynamic ILT allocation mutex */
1167         mutex_init(&p_mngr->mutex);
1168
1169         /* Set the cxt mangr pointer priori to further allocations */
1170         p_hwfn->p_cxt_mngr = p_mngr;
1171
1172         return 0;
1173 }
1174
1175 int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn)
1176 {
1177         int rc;
1178
1179         /* Allocate the ILT shadow table */
1180         rc = qed_ilt_shadow_alloc(p_hwfn);
1181         if (rc)
1182                 goto tables_alloc_fail;
1183
1184         /* Allocate the T2  table */
1185         rc = qed_cxt_src_t2_alloc(p_hwfn);
1186         if (rc)
1187                 goto tables_alloc_fail;
1188
1189         /* Allocate and initialize the acquired cids bitmaps */
1190         rc = qed_cid_map_alloc(p_hwfn);
1191         if (rc)
1192                 goto tables_alloc_fail;
1193
1194         return 0;
1195
1196 tables_alloc_fail:
1197         qed_cxt_mngr_free(p_hwfn);
1198         return rc;
1199 }
1200
1201 void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn)
1202 {
1203         if (!p_hwfn->p_cxt_mngr)
1204                 return;
1205
1206         qed_cid_map_free(p_hwfn);
1207         qed_cxt_src_t2_free(p_hwfn);
1208         qed_ilt_shadow_free(p_hwfn);
1209         kfree(p_hwfn->p_cxt_mngr);
1210
1211         p_hwfn->p_cxt_mngr = NULL;
1212 }
1213
1214 void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn)
1215 {
1216         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1217         struct qed_cid_acquired_map *p_map;
1218         struct qed_conn_type_cfg *p_cfg;
1219         int type;
1220         u32 len;
1221
1222         /* Reset acquired cids */
1223         for (type = 0; type < MAX_CONN_TYPES; type++) {
1224                 u32 vf;
1225
1226                 p_cfg = &p_mngr->conn_cfg[type];
1227                 if (p_cfg->cid_count) {
1228                         p_map = &p_mngr->acquired[type];
1229                         len = DIV_ROUND_UP(p_map->max_count,
1230                                            sizeof(unsigned long) *
1231                                            BITS_PER_BYTE) *
1232                               sizeof(unsigned long);
1233                         memset(p_map->cid_map, 0, len);
1234                 }
1235
1236                 if (!p_cfg->cids_per_vf)
1237                         continue;
1238
1239                 for (vf = 0; vf < MAX_NUM_VFS; vf++) {
1240                         p_map = &p_mngr->acquired_vf[type][vf];
1241                         len = DIV_ROUND_UP(p_map->max_count,
1242                                            sizeof(unsigned long) *
1243                                            BITS_PER_BYTE) *
1244                               sizeof(unsigned long);
1245                         memset(p_map->cid_map, 0, len);
1246                 }
1247         }
1248 }
1249
1250 /* CDU Common */
1251 #define CDUC_CXT_SIZE_SHIFT \
1252         CDU_REG_CID_ADDR_PARAMS_CONTEXT_SIZE_SHIFT
1253
1254 #define CDUC_CXT_SIZE_MASK \
1255         (CDU_REG_CID_ADDR_PARAMS_CONTEXT_SIZE >> CDUC_CXT_SIZE_SHIFT)
1256
1257 #define CDUC_BLOCK_WASTE_SHIFT \
1258         CDU_REG_CID_ADDR_PARAMS_BLOCK_WASTE_SHIFT
1259
1260 #define CDUC_BLOCK_WASTE_MASK \
1261         (CDU_REG_CID_ADDR_PARAMS_BLOCK_WASTE >> CDUC_BLOCK_WASTE_SHIFT)
1262
1263 #define CDUC_NCIB_SHIFT \
1264         CDU_REG_CID_ADDR_PARAMS_NCIB_SHIFT
1265
1266 #define CDUC_NCIB_MASK \
1267         (CDU_REG_CID_ADDR_PARAMS_NCIB >> CDUC_NCIB_SHIFT)
1268
1269 #define CDUT_TYPE0_CXT_SIZE_SHIFT \
1270         CDU_REG_SEGMENT0_PARAMS_T0_TID_SIZE_SHIFT
1271
1272 #define CDUT_TYPE0_CXT_SIZE_MASK                \
1273         (CDU_REG_SEGMENT0_PARAMS_T0_TID_SIZE >> \
1274          CDUT_TYPE0_CXT_SIZE_SHIFT)
1275
1276 #define CDUT_TYPE0_BLOCK_WASTE_SHIFT \
1277         CDU_REG_SEGMENT0_PARAMS_T0_TID_BLOCK_WASTE_SHIFT
1278
1279 #define CDUT_TYPE0_BLOCK_WASTE_MASK                    \
1280         (CDU_REG_SEGMENT0_PARAMS_T0_TID_BLOCK_WASTE >> \
1281          CDUT_TYPE0_BLOCK_WASTE_SHIFT)
1282
1283 #define CDUT_TYPE0_NCIB_SHIFT \
1284         CDU_REG_SEGMENT0_PARAMS_T0_NUM_TIDS_IN_BLOCK_SHIFT
1285
1286 #define CDUT_TYPE0_NCIB_MASK                             \
1287         (CDU_REG_SEGMENT0_PARAMS_T0_NUM_TIDS_IN_BLOCK >> \
1288          CDUT_TYPE0_NCIB_SHIFT)
1289
1290 #define CDUT_TYPE1_CXT_SIZE_SHIFT \
1291         CDU_REG_SEGMENT1_PARAMS_T1_TID_SIZE_SHIFT
1292
1293 #define CDUT_TYPE1_CXT_SIZE_MASK                \
1294         (CDU_REG_SEGMENT1_PARAMS_T1_TID_SIZE >> \
1295          CDUT_TYPE1_CXT_SIZE_SHIFT)
1296
1297 #define CDUT_TYPE1_BLOCK_WASTE_SHIFT \
1298         CDU_REG_SEGMENT1_PARAMS_T1_TID_BLOCK_WASTE_SHIFT
1299
1300 #define CDUT_TYPE1_BLOCK_WASTE_MASK                    \
1301         (CDU_REG_SEGMENT1_PARAMS_T1_TID_BLOCK_WASTE >> \
1302          CDUT_TYPE1_BLOCK_WASTE_SHIFT)
1303
1304 #define CDUT_TYPE1_NCIB_SHIFT \
1305         CDU_REG_SEGMENT1_PARAMS_T1_NUM_TIDS_IN_BLOCK_SHIFT
1306
1307 #define CDUT_TYPE1_NCIB_MASK                             \
1308         (CDU_REG_SEGMENT1_PARAMS_T1_NUM_TIDS_IN_BLOCK >> \
1309          CDUT_TYPE1_NCIB_SHIFT)
1310
1311 static void qed_cdu_init_common(struct qed_hwfn *p_hwfn)
1312 {
1313         u32 page_sz, elems_per_page, block_waste, cxt_size, cdu_params = 0;
1314
1315         /* CDUC - connection configuration */
1316         page_sz = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC].p_size.val;
1317         cxt_size = CONN_CXT_SIZE(p_hwfn);
1318         elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
1319         block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size;
1320
1321         SET_FIELD(cdu_params, CDUC_CXT_SIZE, cxt_size);
1322         SET_FIELD(cdu_params, CDUC_BLOCK_WASTE, block_waste);
1323         SET_FIELD(cdu_params, CDUC_NCIB, elems_per_page);
1324         STORE_RT_REG(p_hwfn, CDU_REG_CID_ADDR_PARAMS_RT_OFFSET, cdu_params);
1325
1326         /* CDUT - type-0 tasks configuration */
1327         page_sz = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT].p_size.val;
1328         cxt_size = p_hwfn->p_cxt_mngr->task_type_size[0];
1329         elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
1330         block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size;
1331
1332         /* cxt size and block-waste are multipes of 8 */
1333         cdu_params = 0;
1334         SET_FIELD(cdu_params, CDUT_TYPE0_CXT_SIZE, (cxt_size >> 3));
1335         SET_FIELD(cdu_params, CDUT_TYPE0_BLOCK_WASTE, (block_waste >> 3));
1336         SET_FIELD(cdu_params, CDUT_TYPE0_NCIB, elems_per_page);
1337         STORE_RT_REG(p_hwfn, CDU_REG_SEGMENT0_PARAMS_RT_OFFSET, cdu_params);
1338
1339         /* CDUT - type-1 tasks configuration */
1340         cxt_size = p_hwfn->p_cxt_mngr->task_type_size[1];
1341         elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size;
1342         block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size;
1343
1344         /* cxt size and block-waste are multipes of 8 */
1345         cdu_params = 0;
1346         SET_FIELD(cdu_params, CDUT_TYPE1_CXT_SIZE, (cxt_size >> 3));
1347         SET_FIELD(cdu_params, CDUT_TYPE1_BLOCK_WASTE, (block_waste >> 3));
1348         SET_FIELD(cdu_params, CDUT_TYPE1_NCIB, elems_per_page);
1349         STORE_RT_REG(p_hwfn, CDU_REG_SEGMENT1_PARAMS_RT_OFFSET, cdu_params);
1350 }
1351
1352 /* CDU PF */
1353 #define CDU_SEG_REG_TYPE_SHIFT          CDU_SEG_TYPE_OFFSET_REG_TYPE_SHIFT
1354 #define CDU_SEG_REG_TYPE_MASK           0x1
1355 #define CDU_SEG_REG_OFFSET_SHIFT        0
1356 #define CDU_SEG_REG_OFFSET_MASK         CDU_SEG_TYPE_OFFSET_REG_OFFSET_MASK
1357
1358 static void qed_cdu_init_pf(struct qed_hwfn *p_hwfn)
1359 {
1360         struct qed_ilt_client_cfg *p_cli;
1361         struct qed_tid_seg *p_seg;
1362         u32 cdu_seg_params, offset;
1363         int i;
1364
1365         static const u32 rt_type_offset_arr[] = {
1366                 CDU_REG_PF_SEG0_TYPE_OFFSET_RT_OFFSET,
1367                 CDU_REG_PF_SEG1_TYPE_OFFSET_RT_OFFSET,
1368                 CDU_REG_PF_SEG2_TYPE_OFFSET_RT_OFFSET,
1369                 CDU_REG_PF_SEG3_TYPE_OFFSET_RT_OFFSET
1370         };
1371
1372         static const u32 rt_type_offset_fl_arr[] = {
1373                 CDU_REG_PF_FL_SEG0_TYPE_OFFSET_RT_OFFSET,
1374                 CDU_REG_PF_FL_SEG1_TYPE_OFFSET_RT_OFFSET,
1375                 CDU_REG_PF_FL_SEG2_TYPE_OFFSET_RT_OFFSET,
1376                 CDU_REG_PF_FL_SEG3_TYPE_OFFSET_RT_OFFSET
1377         };
1378
1379         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
1380
1381         /* There are initializations only for CDUT during pf Phase */
1382         for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
1383                 /* Segment 0 */
1384                 p_seg = qed_cxt_tid_seg_info(p_hwfn, i);
1385                 if (!p_seg)
1386                         continue;
1387
1388                 /* Note: start_line is already adjusted for the CDU
1389                  * segment register granularity, so we just need to
1390                  * divide. Adjustment is implicit as we assume ILT
1391                  * Page size is larger than 32K!
1392                  */
1393                 offset = (ILT_PAGE_IN_BYTES(p_cli->p_size.val) *
1394                           (p_cli->pf_blks[CDUT_SEG_BLK(i)].start_line -
1395                            p_cli->first.val)) / CDUT_SEG_ALIGNMET_IN_BYTES;
1396
1397                 cdu_seg_params = 0;
1398                 SET_FIELD(cdu_seg_params, CDU_SEG_REG_TYPE, p_seg->type);
1399                 SET_FIELD(cdu_seg_params, CDU_SEG_REG_OFFSET, offset);
1400                 STORE_RT_REG(p_hwfn, rt_type_offset_arr[i], cdu_seg_params);
1401
1402                 offset = (ILT_PAGE_IN_BYTES(p_cli->p_size.val) *
1403                           (p_cli->pf_blks[CDUT_FL_SEG_BLK(i, PF)].start_line -
1404                            p_cli->first.val)) / CDUT_SEG_ALIGNMET_IN_BYTES;
1405
1406                 cdu_seg_params = 0;
1407                 SET_FIELD(cdu_seg_params, CDU_SEG_REG_TYPE, p_seg->type);
1408                 SET_FIELD(cdu_seg_params, CDU_SEG_REG_OFFSET, offset);
1409                 STORE_RT_REG(p_hwfn, rt_type_offset_fl_arr[i], cdu_seg_params);
1410         }
1411 }
1412
1413 void qed_qm_init_pf(struct qed_hwfn *p_hwfn,
1414                     struct qed_ptt *p_ptt, bool is_pf_loading)
1415 {
1416         struct qed_qm_info *qm_info = &p_hwfn->qm_info;
1417         struct qed_qm_pf_rt_init_params params;
1418         struct qed_qm_iids iids;
1419
1420         memset(&iids, 0, sizeof(iids));
1421         qed_cxt_qm_iids(p_hwfn, &iids);
1422
1423         memset(&params, 0, sizeof(params));
1424         params.port_id = p_hwfn->port_id;
1425         params.pf_id = p_hwfn->rel_pf_id;
1426         params.max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port;
1427         params.is_pf_loading = is_pf_loading;
1428         params.num_pf_cids = iids.cids;
1429         params.num_vf_cids = iids.vf_cids;
1430         params.num_tids = iids.tids;
1431         params.start_pq = qm_info->start_pq;
1432         params.num_pf_pqs = qm_info->num_pqs - qm_info->num_vf_pqs;
1433         params.num_vf_pqs = qm_info->num_vf_pqs;
1434         params.start_vport = qm_info->start_vport;
1435         params.num_vports = qm_info->num_vports;
1436         params.pf_wfq = qm_info->pf_wfq;
1437         params.pf_rl = qm_info->pf_rl;
1438         params.pq_params = qm_info->qm_pq_params;
1439         params.vport_params = qm_info->qm_vport_params;
1440
1441         qed_qm_pf_rt_init(p_hwfn, p_ptt, &params);
1442 }
1443
1444 /* CM PF */
1445 static void qed_cm_init_pf(struct qed_hwfn *p_hwfn)
1446 {
1447         /* XCM pure-LB queue */
1448         STORE_RT_REG(p_hwfn, XCM_REG_CON_PHY_Q3_RT_OFFSET,
1449                      qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LB));
1450 }
1451
1452 /* DQ PF */
1453 static void qed_dq_init_pf(struct qed_hwfn *p_hwfn)
1454 {
1455         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1456         u32 dq_pf_max_cid = 0, dq_vf_max_cid = 0;
1457
1458         dq_pf_max_cid += (p_mngr->conn_cfg[0].cid_count >> DQ_RANGE_SHIFT);
1459         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_0_RT_OFFSET, dq_pf_max_cid);
1460
1461         dq_vf_max_cid += (p_mngr->conn_cfg[0].cids_per_vf >> DQ_RANGE_SHIFT);
1462         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_0_RT_OFFSET, dq_vf_max_cid);
1463
1464         dq_pf_max_cid += (p_mngr->conn_cfg[1].cid_count >> DQ_RANGE_SHIFT);
1465         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_1_RT_OFFSET, dq_pf_max_cid);
1466
1467         dq_vf_max_cid += (p_mngr->conn_cfg[1].cids_per_vf >> DQ_RANGE_SHIFT);
1468         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_1_RT_OFFSET, dq_vf_max_cid);
1469
1470         dq_pf_max_cid += (p_mngr->conn_cfg[2].cid_count >> DQ_RANGE_SHIFT);
1471         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_2_RT_OFFSET, dq_pf_max_cid);
1472
1473         dq_vf_max_cid += (p_mngr->conn_cfg[2].cids_per_vf >> DQ_RANGE_SHIFT);
1474         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_2_RT_OFFSET, dq_vf_max_cid);
1475
1476         dq_pf_max_cid += (p_mngr->conn_cfg[3].cid_count >> DQ_RANGE_SHIFT);
1477         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_3_RT_OFFSET, dq_pf_max_cid);
1478
1479         dq_vf_max_cid += (p_mngr->conn_cfg[3].cids_per_vf >> DQ_RANGE_SHIFT);
1480         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_3_RT_OFFSET, dq_vf_max_cid);
1481
1482         dq_pf_max_cid += (p_mngr->conn_cfg[4].cid_count >> DQ_RANGE_SHIFT);
1483         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_4_RT_OFFSET, dq_pf_max_cid);
1484
1485         dq_vf_max_cid += (p_mngr->conn_cfg[4].cids_per_vf >> DQ_RANGE_SHIFT);
1486         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_4_RT_OFFSET, dq_vf_max_cid);
1487
1488         dq_pf_max_cid += (p_mngr->conn_cfg[5].cid_count >> DQ_RANGE_SHIFT);
1489         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_5_RT_OFFSET, dq_pf_max_cid);
1490
1491         dq_vf_max_cid += (p_mngr->conn_cfg[5].cids_per_vf >> DQ_RANGE_SHIFT);
1492         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_5_RT_OFFSET, dq_vf_max_cid);
1493
1494         /* Connection types 6 & 7 are not in use, yet they must be configured
1495          * as the highest possible connection. Not configuring them means the
1496          * defaults will be  used, and with a large number of cids a bug may
1497          * occur, if the defaults will be smaller than dq_pf_max_cid /
1498          * dq_vf_max_cid.
1499          */
1500         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_6_RT_OFFSET, dq_pf_max_cid);
1501         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_6_RT_OFFSET, dq_vf_max_cid);
1502
1503         STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_7_RT_OFFSET, dq_pf_max_cid);
1504         STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_7_RT_OFFSET, dq_vf_max_cid);
1505 }
1506
1507 static void qed_ilt_bounds_init(struct qed_hwfn *p_hwfn)
1508 {
1509         struct qed_ilt_client_cfg *ilt_clients;
1510         int i;
1511
1512         ilt_clients = p_hwfn->p_cxt_mngr->clients;
1513         for_each_ilt_valid_client(i, ilt_clients) {
1514                 STORE_RT_REG(p_hwfn,
1515                              ilt_clients[i].first.reg,
1516                              ilt_clients[i].first.val);
1517                 STORE_RT_REG(p_hwfn,
1518                              ilt_clients[i].last.reg, ilt_clients[i].last.val);
1519                 STORE_RT_REG(p_hwfn,
1520                              ilt_clients[i].p_size.reg,
1521                              ilt_clients[i].p_size.val);
1522         }
1523 }
1524
1525 static void qed_ilt_vf_bounds_init(struct qed_hwfn *p_hwfn)
1526 {
1527         struct qed_ilt_client_cfg *p_cli;
1528         u32 blk_factor;
1529
1530         /* For simplicty  we set the 'block' to be an ILT page */
1531         if (p_hwfn->cdev->p_iov_info) {
1532                 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
1533
1534                 STORE_RT_REG(p_hwfn,
1535                              PSWRQ2_REG_VF_BASE_RT_OFFSET,
1536                              p_iov->first_vf_in_pf);
1537                 STORE_RT_REG(p_hwfn,
1538                              PSWRQ2_REG_VF_LAST_ILT_RT_OFFSET,
1539                              p_iov->first_vf_in_pf + p_iov->total_vfs);
1540         }
1541
1542         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC];
1543         blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10);
1544         if (p_cli->active) {
1545                 STORE_RT_REG(p_hwfn,
1546                              PSWRQ2_REG_CDUC_BLOCKS_FACTOR_RT_OFFSET,
1547                              blk_factor);
1548                 STORE_RT_REG(p_hwfn,
1549                              PSWRQ2_REG_CDUC_NUMBER_OF_PF_BLOCKS_RT_OFFSET,
1550                              p_cli->pf_total_lines);
1551                 STORE_RT_REG(p_hwfn,
1552                              PSWRQ2_REG_CDUC_VF_BLOCKS_RT_OFFSET,
1553                              p_cli->vf_total_lines);
1554         }
1555
1556         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
1557         blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10);
1558         if (p_cli->active) {
1559                 STORE_RT_REG(p_hwfn,
1560                              PSWRQ2_REG_CDUT_BLOCKS_FACTOR_RT_OFFSET,
1561                              blk_factor);
1562                 STORE_RT_REG(p_hwfn,
1563                              PSWRQ2_REG_CDUT_NUMBER_OF_PF_BLOCKS_RT_OFFSET,
1564                              p_cli->pf_total_lines);
1565                 STORE_RT_REG(p_hwfn,
1566                              PSWRQ2_REG_CDUT_VF_BLOCKS_RT_OFFSET,
1567                              p_cli->vf_total_lines);
1568         }
1569
1570         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TM];
1571         blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10);
1572         if (p_cli->active) {
1573                 STORE_RT_REG(p_hwfn,
1574                              PSWRQ2_REG_TM_BLOCKS_FACTOR_RT_OFFSET, blk_factor);
1575                 STORE_RT_REG(p_hwfn,
1576                              PSWRQ2_REG_TM_NUMBER_OF_PF_BLOCKS_RT_OFFSET,
1577                              p_cli->pf_total_lines);
1578                 STORE_RT_REG(p_hwfn,
1579                              PSWRQ2_REG_TM_VF_BLOCKS_RT_OFFSET,
1580                              p_cli->vf_total_lines);
1581         }
1582 }
1583
1584 /* ILT (PSWRQ2) PF */
1585 static void qed_ilt_init_pf(struct qed_hwfn *p_hwfn)
1586 {
1587         struct qed_ilt_client_cfg *clients;
1588         struct qed_cxt_mngr *p_mngr;
1589         struct phys_mem_desc *p_shdw;
1590         u32 line, rt_offst, i;
1591
1592         qed_ilt_bounds_init(p_hwfn);
1593         qed_ilt_vf_bounds_init(p_hwfn);
1594
1595         p_mngr = p_hwfn->p_cxt_mngr;
1596         p_shdw = p_mngr->ilt_shadow;
1597         clients = p_hwfn->p_cxt_mngr->clients;
1598
1599         for_each_ilt_valid_client(i, clients) {
1600                 /** Client's 1st val and RT array are absolute, ILT shadows'
1601                  *  lines are relative.
1602                  */
1603                 line = clients[i].first.val - p_mngr->pf_start_line;
1604                 rt_offst = PSWRQ2_REG_ILT_MEMORY_RT_OFFSET +
1605                            clients[i].first.val * ILT_ENTRY_IN_REGS;
1606
1607                 for (; line <= clients[i].last.val - p_mngr->pf_start_line;
1608                      line++, rt_offst += ILT_ENTRY_IN_REGS) {
1609                         u64 ilt_hw_entry = 0;
1610
1611                         /** p_virt could be NULL incase of dynamic
1612                          *  allocation
1613                          */
1614                         if (p_shdw[line].virt_addr) {
1615                                 SET_FIELD(ilt_hw_entry, ILT_ENTRY_VALID, 1ULL);
1616                                 SET_FIELD(ilt_hw_entry, ILT_ENTRY_PHY_ADDR,
1617                                           (p_shdw[line].phys_addr >> 12));
1618
1619                                 DP_VERBOSE(p_hwfn, QED_MSG_ILT,
1620                                            "Setting RT[0x%08x] from ILT[0x%08x] [Client is %d] to Physical addr: 0x%llx\n",
1621                                            rt_offst, line, i,
1622                                            (u64)(p_shdw[line].phys_addr >> 12));
1623                         }
1624
1625                         STORE_RT_REG_AGG(p_hwfn, rt_offst, ilt_hw_entry);
1626                 }
1627         }
1628 }
1629
1630 /* SRC (Searcher) PF */
1631 static void qed_src_init_pf(struct qed_hwfn *p_hwfn)
1632 {
1633         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1634         u32 rounded_conn_num, conn_num, conn_max;
1635         struct qed_src_iids src_iids;
1636
1637         memset(&src_iids, 0, sizeof(src_iids));
1638         qed_cxt_src_iids(p_mngr, &src_iids);
1639         conn_num = src_iids.pf_cids + src_iids.per_vf_cids * p_mngr->vf_count;
1640         if (!conn_num)
1641                 return;
1642
1643         conn_max = max_t(u32, conn_num, SRC_MIN_NUM_ELEMS);
1644         rounded_conn_num = roundup_pow_of_two(conn_max);
1645
1646         STORE_RT_REG(p_hwfn, SRC_REG_COUNTFREE_RT_OFFSET, conn_num);
1647         STORE_RT_REG(p_hwfn, SRC_REG_NUMBER_HASH_BITS_RT_OFFSET,
1648                      ilog2(rounded_conn_num));
1649
1650         STORE_RT_REG_AGG(p_hwfn, SRC_REG_FIRSTFREE_RT_OFFSET,
1651                          p_hwfn->p_cxt_mngr->src_t2.first_free);
1652         STORE_RT_REG_AGG(p_hwfn, SRC_REG_LASTFREE_RT_OFFSET,
1653                          p_hwfn->p_cxt_mngr->src_t2.last_free);
1654 }
1655
1656 /* Timers PF */
1657 #define TM_CFG_NUM_IDS_SHIFT            0
1658 #define TM_CFG_NUM_IDS_MASK             0xFFFFULL
1659 #define TM_CFG_PRE_SCAN_OFFSET_SHIFT    16
1660 #define TM_CFG_PRE_SCAN_OFFSET_MASK     0x1FFULL
1661 #define TM_CFG_PARENT_PF_SHIFT          25
1662 #define TM_CFG_PARENT_PF_MASK           0x7ULL
1663
1664 #define TM_CFG_CID_PRE_SCAN_ROWS_SHIFT  30
1665 #define TM_CFG_CID_PRE_SCAN_ROWS_MASK   0x1FFULL
1666
1667 #define TM_CFG_TID_OFFSET_SHIFT         30
1668 #define TM_CFG_TID_OFFSET_MASK          0x7FFFFULL
1669 #define TM_CFG_TID_PRE_SCAN_ROWS_SHIFT  49
1670 #define TM_CFG_TID_PRE_SCAN_ROWS_MASK   0x1FFULL
1671
1672 static void qed_tm_init_pf(struct qed_hwfn *p_hwfn)
1673 {
1674         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1675         u32 active_seg_mask = 0, tm_offset, rt_reg;
1676         struct qed_tm_iids tm_iids;
1677         u64 cfg_word;
1678         u8 i;
1679
1680         memset(&tm_iids, 0, sizeof(tm_iids));
1681         qed_cxt_tm_iids(p_hwfn, p_mngr, &tm_iids);
1682
1683         /* @@@TBD No pre-scan for now */
1684
1685         /* Note: We assume consecutive VFs for a PF */
1686         for (i = 0; i < p_mngr->vf_count; i++) {
1687                 cfg_word = 0;
1688                 SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.per_vf_cids);
1689                 SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1690                 SET_FIELD(cfg_word, TM_CFG_PARENT_PF, p_hwfn->rel_pf_id);
1691                 SET_FIELD(cfg_word, TM_CFG_CID_PRE_SCAN_ROWS, 0);
1692                 rt_reg = TM_REG_CONFIG_CONN_MEM_RT_OFFSET +
1693                     (sizeof(cfg_word) / sizeof(u32)) *
1694                     (p_hwfn->cdev->p_iov_info->first_vf_in_pf + i);
1695                 STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1696         }
1697
1698         cfg_word = 0;
1699         SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.pf_cids);
1700         SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1701         SET_FIELD(cfg_word, TM_CFG_PARENT_PF, 0);       /* n/a for PF */
1702         SET_FIELD(cfg_word, TM_CFG_CID_PRE_SCAN_ROWS, 0);       /* scan all   */
1703
1704         rt_reg = TM_REG_CONFIG_CONN_MEM_RT_OFFSET +
1705             (sizeof(cfg_word) / sizeof(u32)) *
1706             (NUM_OF_VFS(p_hwfn->cdev) + p_hwfn->rel_pf_id);
1707         STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1708
1709         /* enale scan */
1710         STORE_RT_REG(p_hwfn, TM_REG_PF_ENABLE_CONN_RT_OFFSET,
1711                      tm_iids.pf_cids ? 0x1 : 0x0);
1712
1713         /* @@@TBD how to enable the scan for the VFs */
1714
1715         tm_offset = tm_iids.per_vf_cids;
1716
1717         /* Note: We assume consecutive VFs for a PF */
1718         for (i = 0; i < p_mngr->vf_count; i++) {
1719                 cfg_word = 0;
1720                 SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.per_vf_tids);
1721                 SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1722                 SET_FIELD(cfg_word, TM_CFG_PARENT_PF, p_hwfn->rel_pf_id);
1723                 SET_FIELD(cfg_word, TM_CFG_TID_OFFSET, tm_offset);
1724                 SET_FIELD(cfg_word, TM_CFG_TID_PRE_SCAN_ROWS, (u64) 0);
1725
1726                 rt_reg = TM_REG_CONFIG_TASK_MEM_RT_OFFSET +
1727                     (sizeof(cfg_word) / sizeof(u32)) *
1728                     (p_hwfn->cdev->p_iov_info->first_vf_in_pf + i);
1729
1730                 STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1731         }
1732
1733         tm_offset = tm_iids.pf_cids;
1734         for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
1735                 cfg_word = 0;
1736                 SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.pf_tids[i]);
1737                 SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0);
1738                 SET_FIELD(cfg_word, TM_CFG_PARENT_PF, 0);
1739                 SET_FIELD(cfg_word, TM_CFG_TID_OFFSET, tm_offset);
1740                 SET_FIELD(cfg_word, TM_CFG_TID_PRE_SCAN_ROWS, (u64) 0);
1741
1742                 rt_reg = TM_REG_CONFIG_TASK_MEM_RT_OFFSET +
1743                     (sizeof(cfg_word) / sizeof(u32)) *
1744                     (NUM_OF_VFS(p_hwfn->cdev) +
1745                      p_hwfn->rel_pf_id * NUM_TASK_PF_SEGMENTS + i);
1746
1747                 STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word);
1748                 active_seg_mask |= (tm_iids.pf_tids[i] ? BIT(i) : 0);
1749
1750                 tm_offset += tm_iids.pf_tids[i];
1751         }
1752
1753         if (QED_IS_RDMA_PERSONALITY(p_hwfn))
1754                 active_seg_mask = 0;
1755
1756         STORE_RT_REG(p_hwfn, TM_REG_PF_ENABLE_TASK_RT_OFFSET, active_seg_mask);
1757
1758         /* @@@TBD how to enable the scan for the VFs */
1759 }
1760
1761 static void qed_prs_init_common(struct qed_hwfn *p_hwfn)
1762 {
1763         if ((p_hwfn->hw_info.personality == QED_PCI_FCOE) &&
1764             p_hwfn->pf_params.fcoe_pf_params.is_target)
1765                 STORE_RT_REG(p_hwfn,
1766                              PRS_REG_SEARCH_RESP_INITIATOR_TYPE_RT_OFFSET, 0);
1767 }
1768
1769 static void qed_prs_init_pf(struct qed_hwfn *p_hwfn)
1770 {
1771         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1772         struct qed_conn_type_cfg *p_fcoe;
1773         struct qed_tid_seg *p_tid;
1774
1775         p_fcoe = &p_mngr->conn_cfg[PROTOCOLID_FCOE];
1776
1777         /* If FCoE is active set the MAX OX_ID (tid) in the Parser */
1778         if (!p_fcoe->cid_count)
1779                 return;
1780
1781         p_tid = &p_fcoe->tid_seg[QED_CXT_FCOE_TID_SEG];
1782         if (p_hwfn->pf_params.fcoe_pf_params.is_target) {
1783                 STORE_RT_REG_AGG(p_hwfn,
1784                                  PRS_REG_TASK_ID_MAX_TARGET_PF_RT_OFFSET,
1785                                  p_tid->count);
1786         } else {
1787                 STORE_RT_REG_AGG(p_hwfn,
1788                                  PRS_REG_TASK_ID_MAX_INITIATOR_PF_RT_OFFSET,
1789                                  p_tid->count);
1790         }
1791 }
1792
1793 void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn)
1794 {
1795         qed_cdu_init_common(p_hwfn);
1796         qed_prs_init_common(p_hwfn);
1797 }
1798
1799 void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1800 {
1801         qed_qm_init_pf(p_hwfn, p_ptt, true);
1802         qed_cm_init_pf(p_hwfn);
1803         qed_dq_init_pf(p_hwfn);
1804         qed_cdu_init_pf(p_hwfn);
1805         qed_ilt_init_pf(p_hwfn);
1806         qed_src_init_pf(p_hwfn);
1807         qed_tm_init_pf(p_hwfn);
1808         qed_prs_init_pf(p_hwfn);
1809 }
1810
1811 int _qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn,
1812                          enum protocol_type type, u32 *p_cid, u8 vfid)
1813 {
1814         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1815         struct qed_cid_acquired_map *p_map;
1816         u32 rel_cid;
1817
1818         if (type >= MAX_CONN_TYPES) {
1819                 DP_NOTICE(p_hwfn, "Invalid protocol type %d", type);
1820                 return -EINVAL;
1821         }
1822
1823         if (vfid >= MAX_NUM_VFS && vfid != QED_CXT_PF_CID) {
1824                 DP_NOTICE(p_hwfn, "VF [%02x] is out of range\n", vfid);
1825                 return -EINVAL;
1826         }
1827
1828         /* Determine the right map to take this CID from */
1829         if (vfid == QED_CXT_PF_CID)
1830                 p_map = &p_mngr->acquired[type];
1831         else
1832                 p_map = &p_mngr->acquired_vf[type][vfid];
1833
1834         if (!p_map->cid_map) {
1835                 DP_NOTICE(p_hwfn, "Invalid protocol type %d", type);
1836                 return -EINVAL;
1837         }
1838
1839         rel_cid = find_first_zero_bit(p_map->cid_map, p_map->max_count);
1840
1841         if (rel_cid >= p_map->max_count) {
1842                 DP_NOTICE(p_hwfn, "no CID available for protocol %d\n", type);
1843                 return -EINVAL;
1844         }
1845
1846         __set_bit(rel_cid, p_map->cid_map);
1847
1848         *p_cid = rel_cid + p_map->start_cid;
1849
1850         DP_VERBOSE(p_hwfn, QED_MSG_CXT,
1851                    "Acquired cid 0x%08x [rel. %08x] vfid %02x type %d\n",
1852                    *p_cid, rel_cid, vfid, type);
1853
1854         return 0;
1855 }
1856
1857 int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn,
1858                         enum protocol_type type, u32 *p_cid)
1859 {
1860         return _qed_cxt_acquire_cid(p_hwfn, type, p_cid, QED_CXT_PF_CID);
1861 }
1862
1863 static bool qed_cxt_test_cid_acquired(struct qed_hwfn *p_hwfn,
1864                                       u32 cid,
1865                                       u8 vfid,
1866                                       enum protocol_type *p_type,
1867                                       struct qed_cid_acquired_map **pp_map)
1868 {
1869         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1870         u32 rel_cid;
1871
1872         /* Iterate over protocols and find matching cid range */
1873         for (*p_type = 0; *p_type < MAX_CONN_TYPES; (*p_type)++) {
1874                 if (vfid == QED_CXT_PF_CID)
1875                         *pp_map = &p_mngr->acquired[*p_type];
1876                 else
1877                         *pp_map = &p_mngr->acquired_vf[*p_type][vfid];
1878
1879                 if (!((*pp_map)->cid_map))
1880                         continue;
1881                 if (cid >= (*pp_map)->start_cid &&
1882                     cid < (*pp_map)->start_cid + (*pp_map)->max_count)
1883                         break;
1884         }
1885
1886         if (*p_type == MAX_CONN_TYPES) {
1887                 DP_NOTICE(p_hwfn, "Invalid CID %d vfid %02x", cid, vfid);
1888                 goto fail;
1889         }
1890
1891         rel_cid = cid - (*pp_map)->start_cid;
1892         if (!test_bit(rel_cid, (*pp_map)->cid_map)) {
1893                 DP_NOTICE(p_hwfn, "CID %d [vifd %02x] not acquired",
1894                           cid, vfid);
1895                 goto fail;
1896         }
1897
1898         return true;
1899 fail:
1900         *p_type = MAX_CONN_TYPES;
1901         *pp_map = NULL;
1902         return false;
1903 }
1904
1905 void _qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid, u8 vfid)
1906 {
1907         struct qed_cid_acquired_map *p_map = NULL;
1908         enum protocol_type type;
1909         bool b_acquired;
1910         u32 rel_cid;
1911
1912         if (vfid != QED_CXT_PF_CID && vfid > MAX_NUM_VFS) {
1913                 DP_NOTICE(p_hwfn,
1914                           "Trying to return incorrect CID belonging to VF %02x\n",
1915                           vfid);
1916                 return;
1917         }
1918
1919         /* Test acquired and find matching per-protocol map */
1920         b_acquired = qed_cxt_test_cid_acquired(p_hwfn, cid, vfid,
1921                                                &type, &p_map);
1922
1923         if (!b_acquired)
1924                 return;
1925
1926         rel_cid = cid - p_map->start_cid;
1927         clear_bit(rel_cid, p_map->cid_map);
1928
1929         DP_VERBOSE(p_hwfn, QED_MSG_CXT,
1930                    "Released CID 0x%08x [rel. %08x] vfid %02x type %d\n",
1931                    cid, rel_cid, vfid, type);
1932 }
1933
1934 void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid)
1935 {
1936         _qed_cxt_release_cid(p_hwfn, cid, QED_CXT_PF_CID);
1937 }
1938
1939 int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, struct qed_cxt_info *p_info)
1940 {
1941         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
1942         struct qed_cid_acquired_map *p_map = NULL;
1943         u32 conn_cxt_size, hw_p_size, cxts_per_p, line;
1944         enum protocol_type type;
1945         bool b_acquired;
1946
1947         /* Test acquired and find matching per-protocol map */
1948         b_acquired = qed_cxt_test_cid_acquired(p_hwfn, p_info->iid,
1949                                                QED_CXT_PF_CID, &type, &p_map);
1950
1951         if (!b_acquired)
1952                 return -EINVAL;
1953
1954         /* set the protocl type */
1955         p_info->type = type;
1956
1957         /* compute context virtual pointer */
1958         hw_p_size = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC].p_size.val;
1959
1960         conn_cxt_size = CONN_CXT_SIZE(p_hwfn);
1961         cxts_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / conn_cxt_size;
1962         line = p_info->iid / cxts_per_p;
1963
1964         /* Make sure context is allocated (dynamic allocation) */
1965         if (!p_mngr->ilt_shadow[line].virt_addr)
1966                 return -EINVAL;
1967
1968         p_info->p_cxt = p_mngr->ilt_shadow[line].virt_addr +
1969                         p_info->iid % cxts_per_p * conn_cxt_size;
1970
1971         DP_VERBOSE(p_hwfn, (QED_MSG_ILT | QED_MSG_CXT),
1972                    "Accessing ILT shadow[%d]: CXT pointer is at %p (for iid %d)\n",
1973                    p_info->iid / cxts_per_p, p_info->p_cxt, p_info->iid);
1974
1975         return 0;
1976 }
1977
1978 static void qed_rdma_set_pf_params(struct qed_hwfn *p_hwfn,
1979                                    struct qed_rdma_pf_params *p_params,
1980                                    u32 num_tasks)
1981 {
1982         u32 num_cons, num_qps;
1983         enum protocol_type proto;
1984
1985         if (p_hwfn->mcp_info->func_info.protocol == QED_PCI_ETH_RDMA) {
1986                 DP_VERBOSE(p_hwfn, QED_MSG_SP,
1987                            "Current day drivers don't support RoCE & iWARP simultaneously on the same PF. Default to RoCE-only\n");
1988                 p_hwfn->hw_info.personality = QED_PCI_ETH_ROCE;
1989         }
1990
1991         switch (p_hwfn->hw_info.personality) {
1992         case QED_PCI_ETH_IWARP:
1993                 /* Each QP requires one connection */
1994                 num_cons = min_t(u32, IWARP_MAX_QPS, p_params->num_qps);
1995                 proto = PROTOCOLID_IWARP;
1996                 break;
1997         case QED_PCI_ETH_ROCE:
1998                 num_qps = min_t(u32, ROCE_MAX_QPS, p_params->num_qps);
1999                 num_cons = num_qps * 2; /* each QP requires two connections */
2000                 proto = PROTOCOLID_ROCE;
2001                 break;
2002         default:
2003                 return;
2004         }
2005
2006         if (num_cons && num_tasks) {
2007                 u32 num_srqs, num_xrc_srqs;
2008
2009                 qed_cxt_set_proto_cid_count(p_hwfn, proto, num_cons, 0);
2010
2011                 /* Deliberatly passing ROCE for tasks id. This is because
2012                  * iWARP / RoCE share the task id.
2013                  */
2014                 qed_cxt_set_proto_tid_count(p_hwfn, PROTOCOLID_ROCE,
2015                                             QED_CXT_ROCE_TID_SEG, 1,
2016                                             num_tasks, false);
2017
2018                 num_srqs = min_t(u32, QED_RDMA_MAX_SRQS, p_params->num_srqs);
2019
2020                 /* XRC SRQs populate a single ILT page */
2021                 num_xrc_srqs = qed_cxt_xrc_srqs_per_page(p_hwfn);
2022
2023                 qed_cxt_set_srq_count(p_hwfn, num_srqs, num_xrc_srqs);
2024         } else {
2025                 DP_INFO(p_hwfn->cdev,
2026                         "RDMA personality used without setting params!\n");
2027         }
2028 }
2029
2030 int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks)
2031 {
2032         /* Set the number of required CORE connections */
2033         u32 core_cids = 1; /* SPQ */
2034
2035         if (p_hwfn->using_ll2)
2036                 core_cids += 4;
2037         qed_cxt_set_proto_cid_count(p_hwfn, PROTOCOLID_CORE, core_cids, 0);
2038
2039         switch (p_hwfn->hw_info.personality) {
2040         case QED_PCI_ETH_RDMA:
2041         case QED_PCI_ETH_IWARP:
2042         case QED_PCI_ETH_ROCE:
2043         {
2044                         qed_rdma_set_pf_params(p_hwfn,
2045                                                &p_hwfn->
2046                                                pf_params.rdma_pf_params,
2047                                                rdma_tasks);
2048                 /* no need for break since RoCE coexist with Ethernet */
2049         }
2050                 fallthrough;
2051         case QED_PCI_ETH:
2052         {
2053                 struct qed_eth_pf_params *p_params =
2054                     &p_hwfn->pf_params.eth_pf_params;
2055
2056                 if (!p_params->num_vf_cons)
2057                         p_params->num_vf_cons =
2058                             ETH_PF_PARAMS_VF_CONS_DEFAULT;
2059                 qed_cxt_set_proto_cid_count(p_hwfn, PROTOCOLID_ETH,
2060                                             p_params->num_cons,
2061                                             p_params->num_vf_cons);
2062                 p_hwfn->p_cxt_mngr->arfs_count = p_params->num_arfs_filters;
2063                 break;
2064         }
2065         case QED_PCI_FCOE:
2066         {
2067                 struct qed_fcoe_pf_params *p_params;
2068
2069                 p_params = &p_hwfn->pf_params.fcoe_pf_params;
2070
2071                 if (p_params->num_cons && p_params->num_tasks) {
2072                         qed_cxt_set_proto_cid_count(p_hwfn,
2073                                                     PROTOCOLID_FCOE,
2074                                                     p_params->num_cons,
2075                                                     0);
2076
2077                         qed_cxt_set_proto_tid_count(p_hwfn, PROTOCOLID_FCOE,
2078                                                     QED_CXT_FCOE_TID_SEG, 0,
2079                                                     p_params->num_tasks, true);
2080                 } else {
2081                         DP_INFO(p_hwfn->cdev,
2082                                 "Fcoe personality used without setting params!\n");
2083                 }
2084                 break;
2085         }
2086         case QED_PCI_ISCSI:
2087         {
2088                 struct qed_iscsi_pf_params *p_params;
2089
2090                 p_params = &p_hwfn->pf_params.iscsi_pf_params;
2091
2092                 if (p_params->num_cons && p_params->num_tasks) {
2093                         qed_cxt_set_proto_cid_count(p_hwfn,
2094                                                     PROTOCOLID_ISCSI,
2095                                                     p_params->num_cons,
2096                                                     0);
2097
2098                         qed_cxt_set_proto_tid_count(p_hwfn,
2099                                                     PROTOCOLID_ISCSI,
2100                                                     QED_CXT_ISCSI_TID_SEG,
2101                                                     0,
2102                                                     p_params->num_tasks,
2103                                                     true);
2104                 } else {
2105                         DP_INFO(p_hwfn->cdev,
2106                                 "Iscsi personality used without setting params!\n");
2107                 }
2108                 break;
2109         }
2110         default:
2111                 return -EINVAL;
2112         }
2113
2114         return 0;
2115 }
2116
2117 int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn,
2118                              struct qed_tid_mem *p_info)
2119 {
2120         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
2121         u32 proto, seg, total_lines, i, shadow_line;
2122         struct qed_ilt_client_cfg *p_cli;
2123         struct qed_ilt_cli_blk *p_fl_seg;
2124         struct qed_tid_seg *p_seg_info;
2125
2126         /* Verify the personality */
2127         switch (p_hwfn->hw_info.personality) {
2128         case QED_PCI_FCOE:
2129                 proto = PROTOCOLID_FCOE;
2130                 seg = QED_CXT_FCOE_TID_SEG;
2131                 break;
2132         case QED_PCI_ISCSI:
2133                 proto = PROTOCOLID_ISCSI;
2134                 seg = QED_CXT_ISCSI_TID_SEG;
2135                 break;
2136         default:
2137                 return -EINVAL;
2138         }
2139
2140         p_cli = &p_mngr->clients[ILT_CLI_CDUT];
2141         if (!p_cli->active)
2142                 return -EINVAL;
2143
2144         p_seg_info = &p_mngr->conn_cfg[proto].tid_seg[seg];
2145         if (!p_seg_info->has_fl_mem)
2146                 return -EINVAL;
2147
2148         p_fl_seg = &p_cli->pf_blks[CDUT_FL_SEG_BLK(seg, PF)];
2149         total_lines = DIV_ROUND_UP(p_fl_seg->total_size,
2150                                    p_fl_seg->real_size_in_page);
2151
2152         for (i = 0; i < total_lines; i++) {
2153                 shadow_line = i + p_fl_seg->start_line -
2154                     p_hwfn->p_cxt_mngr->pf_start_line;
2155                 p_info->blocks[i] = p_mngr->ilt_shadow[shadow_line].virt_addr;
2156         }
2157         p_info->waste = ILT_PAGE_IN_BYTES(p_cli->p_size.val) -
2158             p_fl_seg->real_size_in_page;
2159         p_info->tid_size = p_mngr->task_type_size[p_seg_info->type];
2160         p_info->num_tids_per_block = p_fl_seg->real_size_in_page /
2161             p_info->tid_size;
2162
2163         return 0;
2164 }
2165
2166 /* This function is very RoCE oriented, if another protocol in the future
2167  * will want this feature we'll need to modify the function to be more generic
2168  */
2169 int
2170 qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn,
2171                           enum qed_cxt_elem_type elem_type, u32 iid)
2172 {
2173         u32 reg_offset, shadow_line, elem_size, hw_p_size, elems_per_p, line;
2174         struct tdif_task_context *tdif_context;
2175         struct qed_ilt_client_cfg *p_cli;
2176         struct qed_ilt_cli_blk *p_blk;
2177         struct qed_ptt *p_ptt;
2178         dma_addr_t p_phys;
2179         u64 ilt_hw_entry;
2180         void *p_virt;
2181         u32 flags1;
2182         int rc = 0;
2183
2184         switch (elem_type) {
2185         case QED_ELEM_CXT:
2186                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC];
2187                 elem_size = CONN_CXT_SIZE(p_hwfn);
2188                 p_blk = &p_cli->pf_blks[CDUC_BLK];
2189                 break;
2190         case QED_ELEM_SRQ:
2191                 /* The first ILT page is not used for regular SRQs. Skip it. */
2192                 iid += p_hwfn->p_cxt_mngr->xrc_srq_count;
2193                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2194                 elem_size = SRQ_CXT_SIZE;
2195                 p_blk = &p_cli->pf_blks[SRQ_BLK];
2196                 break;
2197         case QED_ELEM_XRC_SRQ:
2198                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2199                 elem_size = XRC_SRQ_CXT_SIZE;
2200                 p_blk = &p_cli->pf_blks[SRQ_BLK];
2201                 break;
2202         case QED_ELEM_TASK:
2203                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2204                 elem_size = TYPE1_TASK_CXT_SIZE(p_hwfn);
2205                 p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(QED_CXT_ROCE_TID_SEG)];
2206                 break;
2207         default:
2208                 DP_NOTICE(p_hwfn, "-EINVALID elem type = %d", elem_type);
2209                 return -EINVAL;
2210         }
2211
2212         /* Calculate line in ilt */
2213         hw_p_size = p_cli->p_size.val;
2214         elems_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / elem_size;
2215         line = p_blk->start_line + (iid / elems_per_p);
2216         shadow_line = line - p_hwfn->p_cxt_mngr->pf_start_line;
2217
2218         /* If line is already allocated, do nothing, otherwise allocate it and
2219          * write it to the PSWRQ2 registers.
2220          * This section can be run in parallel from different contexts and thus
2221          * a mutex protection is needed.
2222          */
2223
2224         mutex_lock(&p_hwfn->p_cxt_mngr->mutex);
2225
2226         if (p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].virt_addr)
2227                 goto out0;
2228
2229         p_ptt = qed_ptt_acquire(p_hwfn);
2230         if (!p_ptt) {
2231                 DP_NOTICE(p_hwfn,
2232                           "QED_TIME_OUT on ptt acquire - dynamic allocation");
2233                 rc = -EBUSY;
2234                 goto out0;
2235         }
2236
2237         p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
2238                                     p_blk->real_size_in_page, &p_phys,
2239                                     GFP_KERNEL);
2240         if (!p_virt) {
2241                 rc = -ENOMEM;
2242                 goto out1;
2243         }
2244
2245         /* configuration of refTagMask to 0xF is required for RoCE DIF MR only,
2246          * to compensate for a HW bug, but it is configured even if DIF is not
2247          * enabled. This is harmless and allows us to avoid a dedicated API. We
2248          * configure the field for all of the contexts on the newly allocated
2249          * page.
2250          */
2251         if (elem_type == QED_ELEM_TASK) {
2252                 u32 elem_i;
2253                 u8 *elem_start = (u8 *)p_virt;
2254                 union type1_task_context *elem;
2255
2256                 for (elem_i = 0; elem_i < elems_per_p; elem_i++) {
2257                         elem = (union type1_task_context *)elem_start;
2258                         tdif_context = &elem->roce_ctx.tdif_context;
2259
2260                         flags1 = le32_to_cpu(tdif_context->flags1);
2261                         SET_FIELD(flags1, TDIF_TASK_CONTEXT_REF_TAG_MASK, 0xf);
2262                         tdif_context->flags1 = cpu_to_le32(flags1);
2263
2264                         elem_start += TYPE1_TASK_CXT_SIZE(p_hwfn);
2265                 }
2266         }
2267
2268         p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].virt_addr = p_virt;
2269         p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].phys_addr = p_phys;
2270         p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].size =
2271             p_blk->real_size_in_page;
2272
2273         /* compute absolute offset */
2274         reg_offset = PSWRQ2_REG_ILT_MEMORY +
2275             (line * ILT_REG_SIZE_IN_BYTES * ILT_ENTRY_IN_REGS);
2276
2277         ilt_hw_entry = 0;
2278         SET_FIELD(ilt_hw_entry, ILT_ENTRY_VALID, 1ULL);
2279         SET_FIELD(ilt_hw_entry, ILT_ENTRY_PHY_ADDR,
2280                   (p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].phys_addr
2281                    >> 12));
2282
2283         /* Write via DMAE since the PSWRQ2_REG_ILT_MEMORY line is a wide-bus */
2284         qed_dmae_host2grc(p_hwfn, p_ptt, (u64) (uintptr_t)&ilt_hw_entry,
2285                           reg_offset, sizeof(ilt_hw_entry) / sizeof(u32),
2286                           NULL);
2287
2288         if (elem_type == QED_ELEM_CXT) {
2289                 u32 last_cid_allocated = (1 + (iid / elems_per_p)) *
2290                     elems_per_p;
2291
2292                 /* Update the relevant register in the parser */
2293                 qed_wr(p_hwfn, p_ptt, PRS_REG_ROCE_DEST_QP_MAX_PF,
2294                        last_cid_allocated - 1);
2295
2296                 if (!p_hwfn->b_rdma_enabled_in_prs) {
2297                         /* Enable RDMA search */
2298                         qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 1);
2299                         p_hwfn->b_rdma_enabled_in_prs = true;
2300                 }
2301         }
2302
2303 out1:
2304         qed_ptt_release(p_hwfn, p_ptt);
2305 out0:
2306         mutex_unlock(&p_hwfn->p_cxt_mngr->mutex);
2307
2308         return rc;
2309 }
2310
2311 /* This function is very RoCE oriented, if another protocol in the future
2312  * will want this feature we'll need to modify the function to be more generic
2313  */
2314 static int
2315 qed_cxt_free_ilt_range(struct qed_hwfn *p_hwfn,
2316                        enum qed_cxt_elem_type elem_type,
2317                        u32 start_iid, u32 count)
2318 {
2319         u32 start_line, end_line, shadow_start_line, shadow_end_line;
2320         u32 reg_offset, elem_size, hw_p_size, elems_per_p;
2321         struct qed_ilt_client_cfg *p_cli;
2322         struct qed_ilt_cli_blk *p_blk;
2323         u32 end_iid = start_iid + count;
2324         struct qed_ptt *p_ptt;
2325         u64 ilt_hw_entry = 0;
2326         u32 i;
2327
2328         switch (elem_type) {
2329         case QED_ELEM_CXT:
2330                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC];
2331                 elem_size = CONN_CXT_SIZE(p_hwfn);
2332                 p_blk = &p_cli->pf_blks[CDUC_BLK];
2333                 break;
2334         case QED_ELEM_SRQ:
2335                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2336                 elem_size = SRQ_CXT_SIZE;
2337                 p_blk = &p_cli->pf_blks[SRQ_BLK];
2338                 break;
2339         case QED_ELEM_XRC_SRQ:
2340                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
2341                 elem_size = XRC_SRQ_CXT_SIZE;
2342                 p_blk = &p_cli->pf_blks[SRQ_BLK];
2343                 break;
2344         case QED_ELEM_TASK:
2345                 p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2346                 elem_size = TYPE1_TASK_CXT_SIZE(p_hwfn);
2347                 p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(QED_CXT_ROCE_TID_SEG)];
2348                 break;
2349         default:
2350                 DP_NOTICE(p_hwfn, "-EINVALID elem type = %d", elem_type);
2351                 return -EINVAL;
2352         }
2353
2354         /* Calculate line in ilt */
2355         hw_p_size = p_cli->p_size.val;
2356         elems_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / elem_size;
2357         start_line = p_blk->start_line + (start_iid / elems_per_p);
2358         end_line = p_blk->start_line + (end_iid / elems_per_p);
2359         if (((end_iid + 1) / elems_per_p) != (end_iid / elems_per_p))
2360                 end_line--;
2361
2362         shadow_start_line = start_line - p_hwfn->p_cxt_mngr->pf_start_line;
2363         shadow_end_line = end_line - p_hwfn->p_cxt_mngr->pf_start_line;
2364
2365         p_ptt = qed_ptt_acquire(p_hwfn);
2366         if (!p_ptt) {
2367                 DP_NOTICE(p_hwfn,
2368                           "QED_TIME_OUT on ptt acquire - dynamic allocation");
2369                 return -EBUSY;
2370         }
2371
2372         for (i = shadow_start_line; i < shadow_end_line; i++) {
2373                 if (!p_hwfn->p_cxt_mngr->ilt_shadow[i].virt_addr)
2374                         continue;
2375
2376                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
2377                                   p_hwfn->p_cxt_mngr->ilt_shadow[i].size,
2378                                   p_hwfn->p_cxt_mngr->ilt_shadow[i].virt_addr,
2379                                   p_hwfn->p_cxt_mngr->ilt_shadow[i].phys_addr);
2380
2381                 p_hwfn->p_cxt_mngr->ilt_shadow[i].virt_addr = NULL;
2382                 p_hwfn->p_cxt_mngr->ilt_shadow[i].phys_addr = 0;
2383                 p_hwfn->p_cxt_mngr->ilt_shadow[i].size = 0;
2384
2385                 /* compute absolute offset */
2386                 reg_offset = PSWRQ2_REG_ILT_MEMORY +
2387                     ((start_line++) * ILT_REG_SIZE_IN_BYTES *
2388                      ILT_ENTRY_IN_REGS);
2389
2390                 /* Write via DMAE since the PSWRQ2_REG_ILT_MEMORY line is a
2391                  * wide-bus.
2392                  */
2393                 qed_dmae_host2grc(p_hwfn, p_ptt,
2394                                   (u64) (uintptr_t) &ilt_hw_entry,
2395                                   reg_offset,
2396                                   sizeof(ilt_hw_entry) / sizeof(u32),
2397                                   NULL);
2398         }
2399
2400         qed_ptt_release(p_hwfn, p_ptt);
2401
2402         return 0;
2403 }
2404
2405 int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto)
2406 {
2407         int rc;
2408         u32 cid;
2409
2410         /* Free Connection CXT */
2411         rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_CXT,
2412                                     qed_cxt_get_proto_cid_start(p_hwfn,
2413                                                                 proto),
2414                                     qed_cxt_get_proto_cid_count(p_hwfn,
2415                                                                 proto, &cid));
2416
2417         if (rc)
2418                 return rc;
2419
2420         /* Free Task CXT ( Intentionally RoCE as task-id is shared between
2421          * RoCE and iWARP )
2422          */
2423         proto = PROTOCOLID_ROCE;
2424         rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_TASK, 0,
2425                                     qed_cxt_get_proto_tid_count(p_hwfn, proto));
2426         if (rc)
2427                 return rc;
2428
2429         /* Free TSDM CXT */
2430         rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_XRC_SRQ, 0,
2431                                     p_hwfn->p_cxt_mngr->xrc_srq_count);
2432
2433         rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_SRQ,
2434                                     p_hwfn->p_cxt_mngr->xrc_srq_count,
2435                                     p_hwfn->p_cxt_mngr->srq_count);
2436
2437         return rc;
2438 }
2439
2440 int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn,
2441                          u32 tid, u8 ctx_type, void **pp_task_ctx)
2442 {
2443         struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
2444         struct qed_ilt_client_cfg *p_cli;
2445         struct qed_tid_seg *p_seg_info;
2446         struct qed_ilt_cli_blk *p_seg;
2447         u32 num_tids_per_block;
2448         u32 tid_size, ilt_idx;
2449         u32 total_lines;
2450         u32 proto, seg;
2451
2452         /* Verify the personality */
2453         switch (p_hwfn->hw_info.personality) {
2454         case QED_PCI_FCOE:
2455                 proto = PROTOCOLID_FCOE;
2456                 seg = QED_CXT_FCOE_TID_SEG;
2457                 break;
2458         case QED_PCI_ISCSI:
2459                 proto = PROTOCOLID_ISCSI;
2460                 seg = QED_CXT_ISCSI_TID_SEG;
2461                 break;
2462         default:
2463                 return -EINVAL;
2464         }
2465
2466         p_cli = &p_mngr->clients[ILT_CLI_CDUT];
2467         if (!p_cli->active)
2468                 return -EINVAL;
2469
2470         p_seg_info = &p_mngr->conn_cfg[proto].tid_seg[seg];
2471
2472         if (ctx_type == QED_CTX_WORKING_MEM) {
2473                 p_seg = &p_cli->pf_blks[CDUT_SEG_BLK(seg)];
2474         } else if (ctx_type == QED_CTX_FL_MEM) {
2475                 if (!p_seg_info->has_fl_mem)
2476                         return -EINVAL;
2477                 p_seg = &p_cli->pf_blks[CDUT_FL_SEG_BLK(seg, PF)];
2478         } else {
2479                 return -EINVAL;
2480         }
2481         total_lines = DIV_ROUND_UP(p_seg->total_size, p_seg->real_size_in_page);
2482         tid_size = p_mngr->task_type_size[p_seg_info->type];
2483         num_tids_per_block = p_seg->real_size_in_page / tid_size;
2484
2485         if (total_lines < tid / num_tids_per_block)
2486                 return -EINVAL;
2487
2488         ilt_idx = tid / num_tids_per_block + p_seg->start_line -
2489                   p_mngr->pf_start_line;
2490         *pp_task_ctx = (u8 *)p_mngr->ilt_shadow[ilt_idx].virt_addr +
2491                        (tid % num_tids_per_block) * tid_size;
2492
2493         return 0;
2494 }
2495
2496 static u16 qed_blk_calculate_pages(struct qed_ilt_cli_blk *p_blk)
2497 {
2498         if (p_blk->real_size_in_page == 0)
2499                 return 0;
2500
2501         return DIV_ROUND_UP(p_blk->total_size, p_blk->real_size_in_page);
2502 }
2503
2504 u16 qed_get_cdut_num_pf_init_pages(struct qed_hwfn *p_hwfn)
2505 {
2506         struct qed_ilt_client_cfg *p_cli;
2507         struct qed_ilt_cli_blk *p_blk;
2508         u16 i, pages = 0;
2509
2510         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2511         for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
2512                 p_blk = &p_cli->pf_blks[CDUT_FL_SEG_BLK(i, PF)];
2513                 pages += qed_blk_calculate_pages(p_blk);
2514         }
2515
2516         return pages;
2517 }
2518
2519 u16 qed_get_cdut_num_vf_init_pages(struct qed_hwfn *p_hwfn)
2520 {
2521         struct qed_ilt_client_cfg *p_cli;
2522         struct qed_ilt_cli_blk *p_blk;
2523         u16 i, pages = 0;
2524
2525         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2526         for (i = 0; i < NUM_TASK_VF_SEGMENTS; i++) {
2527                 p_blk = &p_cli->vf_blks[CDUT_FL_SEG_BLK(i, VF)];
2528                 pages += qed_blk_calculate_pages(p_blk);
2529         }
2530
2531         return pages;
2532 }
2533
2534 u16 qed_get_cdut_num_pf_work_pages(struct qed_hwfn *p_hwfn)
2535 {
2536         struct qed_ilt_client_cfg *p_cli;
2537         struct qed_ilt_cli_blk *p_blk;
2538         u16 i, pages = 0;
2539
2540         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2541         for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) {
2542                 p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(i)];
2543                 pages += qed_blk_calculate_pages(p_blk);
2544         }
2545
2546         return pages;
2547 }
2548
2549 u16 qed_get_cdut_num_vf_work_pages(struct qed_hwfn *p_hwfn)
2550 {
2551         struct qed_ilt_client_cfg *p_cli;
2552         struct qed_ilt_cli_blk *p_blk;
2553         u16 pages = 0, i;
2554
2555         p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
2556         for (i = 0; i < NUM_TASK_VF_SEGMENTS; i++) {
2557                 p_blk = &p_cli->vf_blks[CDUT_SEG_BLK(i)];
2558                 pages += qed_blk_calculate_pages(p_blk);
2559         }
2560
2561         return pages;
2562 }