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fe56b9e6 | 1 | /* QLogic qed NIC Driver |
e8f1cb50 | 2 | * Copyright (c) 2015-2017 QLogic Corporation |
fe56b9e6 | 3 | * |
e8f1cb50 MY |
4 | * This software is available to you under a choice of one of two |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and /or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
fe56b9e6 YM |
31 | */ |
32 | ||
33 | #include <linux/types.h> | |
34 | #include <linux/bitops.h> | |
35 | #include <linux/dma-mapping.h> | |
36 | #include <linux/errno.h> | |
37 | #include <linux/kernel.h> | |
38 | #include <linux/list.h> | |
39 | #include <linux/log2.h> | |
40 | #include <linux/pci.h> | |
41 | #include <linux/slab.h> | |
42 | #include <linux/string.h> | |
43 | #include <linux/bitops.h> | |
44 | #include "qed.h" | |
45 | #include "qed_cxt.h" | |
46 | #include "qed_dev_api.h" | |
47 | #include "qed_hsi.h" | |
48 | #include "qed_hw.h" | |
49 | #include "qed_init_ops.h" | |
50 | #include "qed_reg_addr.h" | |
1408cc1f | 51 | #include "qed_sriov.h" |
fe56b9e6 YM |
52 | |
53 | /* Max number of connection types in HW (DQ/CDU etc.) */ | |
54 | #define MAX_CONN_TYPES PROTOCOLID_COMMON | |
55 | #define NUM_TASK_TYPES 2 | |
56 | #define NUM_TASK_PF_SEGMENTS 4 | |
1408cc1f | 57 | #define NUM_TASK_VF_SEGMENTS 1 |
fe56b9e6 YM |
58 | |
59 | /* QM constants */ | |
60 | #define QM_PQ_ELEMENT_SIZE 4 /* in bytes */ | |
61 | ||
62 | /* Doorbell-Queue constants */ | |
63 | #define DQ_RANGE_SHIFT 4 | |
64 | #define DQ_RANGE_ALIGN BIT(DQ_RANGE_SHIFT) | |
65 | ||
dbb799c3 YM |
66 | /* Searcher constants */ |
67 | #define SRC_MIN_NUM_ELEMS 256 | |
68 | ||
69 | /* Timers constants */ | |
70 | #define TM_SHIFT 7 | |
71 | #define TM_ALIGN BIT(TM_SHIFT) | |
72 | #define TM_ELEM_SIZE 4 | |
73 | ||
be086e7c | 74 | #define ILT_DEFAULT_HW_P_SIZE 4 |
51ff1725 | 75 | |
fe56b9e6 YM |
76 | #define ILT_PAGE_IN_BYTES(hw_p_size) (1U << ((hw_p_size) + 12)) |
77 | #define ILT_CFG_REG(cli, reg) PSWRQ2_REG_ ## cli ## _ ## reg ## _RT_OFFSET | |
78 | ||
79 | /* ILT entry structure */ | |
80 | #define ILT_ENTRY_PHY_ADDR_MASK 0x000FFFFFFFFFFFULL | |
81 | #define ILT_ENTRY_PHY_ADDR_SHIFT 0 | |
82 | #define ILT_ENTRY_VALID_MASK 0x1ULL | |
83 | #define ILT_ENTRY_VALID_SHIFT 52 | |
84 | #define ILT_ENTRY_IN_REGS 2 | |
85 | #define ILT_REG_SIZE_IN_BYTES 4 | |
86 | ||
87 | /* connection context union */ | |
88 | union conn_context { | |
89 | struct core_conn_context core_ctx; | |
90 | struct eth_conn_context eth_ctx; | |
dbb799c3 | 91 | struct iscsi_conn_context iscsi_ctx; |
1e128c81 | 92 | struct fcoe_conn_context fcoe_ctx; |
dbb799c3 YM |
93 | struct roce_conn_context roce_ctx; |
94 | }; | |
95 | ||
1e128c81 | 96 | /* TYPE-0 task context - iSCSI, FCOE */ |
dbb799c3 YM |
97 | union type0_task_context { |
98 | struct iscsi_task_context iscsi_ctx; | |
1e128c81 | 99 | struct fcoe_task_context fcoe_ctx; |
fe56b9e6 YM |
100 | }; |
101 | ||
dbb799c3 YM |
102 | /* TYPE-1 task context - ROCE */ |
103 | union type1_task_context { | |
104 | struct rdma_task_context roce_ctx; | |
105 | }; | |
106 | ||
107 | struct src_ent { | |
108 | u8 opaque[56]; | |
109 | u64 next; | |
110 | }; | |
111 | ||
112 | #define CDUT_SEG_ALIGNMET 3 /* in 4k chunks */ | |
113 | #define CDUT_SEG_ALIGNMET_IN_BYTES (1 << (CDUT_SEG_ALIGNMET + 12)) | |
114 | ||
fe56b9e6 YM |
115 | #define CONN_CXT_SIZE(p_hwfn) \ |
116 | ALIGNED_TYPE_SIZE(union conn_context, p_hwfn) | |
117 | ||
dbb799c3 YM |
118 | #define SRQ_CXT_SIZE (sizeof(struct rdma_srq_context)) |
119 | ||
120 | #define TYPE0_TASK_CXT_SIZE(p_hwfn) \ | |
121 | ALIGNED_TYPE_SIZE(union type0_task_context, p_hwfn) | |
122 | ||
123 | /* Alignment is inherent to the type1_task_context structure */ | |
124 | #define TYPE1_TASK_CXT_SIZE(p_hwfn) sizeof(union type1_task_context) | |
125 | ||
fe56b9e6 | 126 | /* PF per protocl configuration object */ |
dbb799c3 YM |
127 | #define TASK_SEGMENTS (NUM_TASK_PF_SEGMENTS + NUM_TASK_VF_SEGMENTS) |
128 | #define TASK_SEGMENT_VF (NUM_TASK_PF_SEGMENTS) | |
129 | ||
130 | struct qed_tid_seg { | |
131 | u32 count; | |
132 | u8 type; | |
133 | bool has_fl_mem; | |
134 | }; | |
135 | ||
fe56b9e6 YM |
136 | struct qed_conn_type_cfg { |
137 | u32 cid_count; | |
138 | u32 cid_start; | |
1408cc1f | 139 | u32 cids_per_vf; |
dbb799c3 | 140 | struct qed_tid_seg tid_seg[TASK_SEGMENTS]; |
fe56b9e6 YM |
141 | }; |
142 | ||
143 | /* ILT Client configuration, Per connection type (protocol) resources. */ | |
144 | #define ILT_CLI_PF_BLOCKS (1 + NUM_TASK_PF_SEGMENTS * 2) | |
1408cc1f | 145 | #define ILT_CLI_VF_BLOCKS (1 + NUM_TASK_VF_SEGMENTS * 2) |
fe56b9e6 | 146 | #define CDUC_BLK (0) |
dbb799c3 YM |
147 | #define SRQ_BLK (0) |
148 | #define CDUT_SEG_BLK(n) (1 + (u8)(n)) | |
149 | #define CDUT_FL_SEG_BLK(n, X) (1 + (n) + NUM_TASK_ ## X ## _SEGMENTS) | |
fe56b9e6 YM |
150 | |
151 | enum ilt_clients { | |
152 | ILT_CLI_CDUC, | |
dbb799c3 | 153 | ILT_CLI_CDUT, |
fe56b9e6 | 154 | ILT_CLI_QM, |
dbb799c3 YM |
155 | ILT_CLI_TM, |
156 | ILT_CLI_SRC, | |
157 | ILT_CLI_TSDM, | |
fe56b9e6 YM |
158 | ILT_CLI_MAX |
159 | }; | |
160 | ||
161 | struct ilt_cfg_pair { | |
162 | u32 reg; | |
163 | u32 val; | |
164 | }; | |
165 | ||
166 | struct qed_ilt_cli_blk { | |
167 | u32 total_size; /* 0 means not active */ | |
168 | u32 real_size_in_page; | |
169 | u32 start_line; | |
dbb799c3 | 170 | u32 dynamic_line_cnt; |
fe56b9e6 YM |
171 | }; |
172 | ||
173 | struct qed_ilt_client_cfg { | |
174 | bool active; | |
175 | ||
176 | /* ILT boundaries */ | |
177 | struct ilt_cfg_pair first; | |
178 | struct ilt_cfg_pair last; | |
179 | struct ilt_cfg_pair p_size; | |
180 | ||
181 | /* ILT client blocks for PF */ | |
182 | struct qed_ilt_cli_blk pf_blks[ILT_CLI_PF_BLOCKS]; | |
183 | u32 pf_total_lines; | |
1408cc1f YM |
184 | |
185 | /* ILT client blocks for VFs */ | |
186 | struct qed_ilt_cli_blk vf_blks[ILT_CLI_VF_BLOCKS]; | |
187 | u32 vf_total_lines; | |
fe56b9e6 YM |
188 | }; |
189 | ||
190 | /* Per Path - | |
191 | * ILT shadow table | |
192 | * Protocol acquired CID lists | |
193 | * PF start line in ILT | |
194 | */ | |
195 | struct qed_dma_mem { | |
196 | dma_addr_t p_phys; | |
197 | void *p_virt; | |
198 | size_t size; | |
199 | }; | |
200 | ||
201 | struct qed_cid_acquired_map { | |
202 | u32 start_cid; | |
203 | u32 max_count; | |
204 | unsigned long *cid_map; | |
205 | }; | |
206 | ||
207 | struct qed_cxt_mngr { | |
208 | /* Per protocl configuration */ | |
209 | struct qed_conn_type_cfg conn_cfg[MAX_CONN_TYPES]; | |
210 | ||
211 | /* computed ILT structure */ | |
212 | struct qed_ilt_client_cfg clients[ILT_CLI_MAX]; | |
213 | ||
dbb799c3 YM |
214 | /* Task type sizes */ |
215 | u32 task_type_size[NUM_TASK_TYPES]; | |
216 | ||
1408cc1f YM |
217 | /* total number of VFs for this hwfn - |
218 | * ALL VFs are symmetric in terms of HW resources | |
219 | */ | |
220 | u32 vf_count; | |
221 | ||
dbb799c3 YM |
222 | /* total number of SRQ's for this hwfn */ |
223 | u32 srq_count; | |
224 | ||
fe56b9e6 YM |
225 | /* Acquired CIDs */ |
226 | struct qed_cid_acquired_map acquired[MAX_CONN_TYPES]; | |
227 | ||
228 | /* ILT shadow table */ | |
229 | struct qed_dma_mem *ilt_shadow; | |
230 | u32 pf_start_line; | |
dbb799c3 YM |
231 | |
232 | /* Mutex for a dynamic ILT allocation */ | |
233 | struct mutex mutex; | |
234 | ||
235 | /* SRC T2 */ | |
236 | struct qed_dma_mem *t2; | |
237 | u32 t2_num_pages; | |
238 | u64 first_free; | |
239 | u64 last_free; | |
fe56b9e6 | 240 | }; |
dbb799c3 YM |
241 | static bool src_proto(enum protocol_type type) |
242 | { | |
243 | return type == PROTOCOLID_ISCSI || | |
1e128c81 | 244 | type == PROTOCOLID_FCOE || |
dbb799c3 YM |
245 | type == PROTOCOLID_ROCE; |
246 | } | |
247 | ||
248 | static bool tm_cid_proto(enum protocol_type type) | |
249 | { | |
250 | return type == PROTOCOLID_ISCSI || | |
1e128c81 | 251 | type == PROTOCOLID_FCOE || |
dbb799c3 YM |
252 | type == PROTOCOLID_ROCE; |
253 | } | |
fe56b9e6 | 254 | |
1e128c81 AE |
255 | static bool tm_tid_proto(enum protocol_type type) |
256 | { | |
257 | return type == PROTOCOLID_FCOE; | |
258 | } | |
259 | ||
1408cc1f YM |
260 | /* counts the iids for the CDU/CDUC ILT client configuration */ |
261 | struct qed_cdu_iids { | |
262 | u32 pf_cids; | |
263 | u32 per_vf_cids; | |
264 | }; | |
fe56b9e6 | 265 | |
1408cc1f YM |
266 | static void qed_cxt_cdu_iids(struct qed_cxt_mngr *p_mngr, |
267 | struct qed_cdu_iids *iids) | |
268 | { | |
269 | u32 type; | |
fe56b9e6 | 270 | |
1408cc1f YM |
271 | for (type = 0; type < MAX_CONN_TYPES; type++) { |
272 | iids->pf_cids += p_mngr->conn_cfg[type].cid_count; | |
273 | iids->per_vf_cids += p_mngr->conn_cfg[type].cids_per_vf; | |
274 | } | |
fe56b9e6 YM |
275 | } |
276 | ||
dbb799c3 YM |
277 | /* counts the iids for the Searcher block configuration */ |
278 | struct qed_src_iids { | |
279 | u32 pf_cids; | |
280 | u32 per_vf_cids; | |
281 | }; | |
282 | ||
283 | static void qed_cxt_src_iids(struct qed_cxt_mngr *p_mngr, | |
284 | struct qed_src_iids *iids) | |
285 | { | |
286 | u32 i; | |
287 | ||
288 | for (i = 0; i < MAX_CONN_TYPES; i++) { | |
289 | if (!src_proto(i)) | |
290 | continue; | |
291 | ||
292 | iids->pf_cids += p_mngr->conn_cfg[i].cid_count; | |
293 | iids->per_vf_cids += p_mngr->conn_cfg[i].cids_per_vf; | |
294 | } | |
295 | } | |
296 | ||
297 | /* counts the iids for the Timers block configuration */ | |
298 | struct qed_tm_iids { | |
299 | u32 pf_cids; | |
300 | u32 pf_tids[NUM_TASK_PF_SEGMENTS]; /* per segment */ | |
301 | u32 pf_tids_total; | |
302 | u32 per_vf_cids; | |
303 | u32 per_vf_tids; | |
304 | }; | |
305 | ||
306 | static void qed_cxt_tm_iids(struct qed_cxt_mngr *p_mngr, | |
307 | struct qed_tm_iids *iids) | |
308 | { | |
309 | u32 i, j; | |
310 | ||
311 | for (i = 0; i < MAX_CONN_TYPES; i++) { | |
312 | struct qed_conn_type_cfg *p_cfg = &p_mngr->conn_cfg[i]; | |
313 | ||
314 | if (tm_cid_proto(i)) { | |
315 | iids->pf_cids += p_cfg->cid_count; | |
316 | iids->per_vf_cids += p_cfg->cids_per_vf; | |
317 | } | |
1e128c81 AE |
318 | |
319 | if (tm_tid_proto(i)) { | |
320 | struct qed_tid_seg *segs = p_cfg->tid_seg; | |
321 | ||
322 | /* for each segment there is at most one | |
323 | * protocol for which count is not 0. | |
324 | */ | |
325 | for (j = 0; j < NUM_TASK_PF_SEGMENTS; j++) | |
326 | iids->pf_tids[j] += segs[j].count; | |
327 | ||
328 | /* The last array elelment is for the VFs. As for PF | |
329 | * segments there can be only one protocol for | |
330 | * which this value is not 0. | |
331 | */ | |
332 | iids->per_vf_tids += segs[NUM_TASK_PF_SEGMENTS].count; | |
333 | } | |
dbb799c3 YM |
334 | } |
335 | ||
336 | iids->pf_cids = roundup(iids->pf_cids, TM_ALIGN); | |
337 | iids->per_vf_cids = roundup(iids->per_vf_cids, TM_ALIGN); | |
338 | iids->per_vf_tids = roundup(iids->per_vf_tids, TM_ALIGN); | |
339 | ||
340 | for (iids->pf_tids_total = 0, j = 0; j < NUM_TASK_PF_SEGMENTS; j++) { | |
341 | iids->pf_tids[j] = roundup(iids->pf_tids[j], TM_ALIGN); | |
342 | iids->pf_tids_total += iids->pf_tids[j]; | |
343 | } | |
344 | } | |
345 | ||
fe56b9e6 YM |
346 | static void qed_cxt_qm_iids(struct qed_hwfn *p_hwfn, |
347 | struct qed_qm_iids *iids) | |
348 | { | |
349 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
dbb799c3 YM |
350 | struct qed_tid_seg *segs; |
351 | u32 vf_cids = 0, type, j; | |
352 | u32 vf_tids = 0; | |
fe56b9e6 | 353 | |
1408cc1f | 354 | for (type = 0; type < MAX_CONN_TYPES; type++) { |
fe56b9e6 | 355 | iids->cids += p_mngr->conn_cfg[type].cid_count; |
1408cc1f | 356 | vf_cids += p_mngr->conn_cfg[type].cids_per_vf; |
dbb799c3 YM |
357 | |
358 | segs = p_mngr->conn_cfg[type].tid_seg; | |
359 | /* for each segment there is at most one | |
360 | * protocol for which count is not 0. | |
361 | */ | |
362 | for (j = 0; j < NUM_TASK_PF_SEGMENTS; j++) | |
363 | iids->tids += segs[j].count; | |
364 | ||
365 | /* The last array elelment is for the VFs. As for PF | |
366 | * segments there can be only one protocol for | |
367 | * which this value is not 0. | |
368 | */ | |
369 | vf_tids += segs[NUM_TASK_PF_SEGMENTS].count; | |
1408cc1f | 370 | } |
fe56b9e6 | 371 | |
1408cc1f | 372 | iids->vf_cids += vf_cids * p_mngr->vf_count; |
dbb799c3 YM |
373 | iids->tids += vf_tids * p_mngr->vf_count; |
374 | ||
1408cc1f | 375 | DP_VERBOSE(p_hwfn, QED_MSG_ILT, |
dbb799c3 YM |
376 | "iids: CIDS %08x vf_cids %08x tids %08x vf_tids %08x\n", |
377 | iids->cids, iids->vf_cids, iids->tids, vf_tids); | |
378 | } | |
379 | ||
380 | static struct qed_tid_seg *qed_cxt_tid_seg_info(struct qed_hwfn *p_hwfn, | |
381 | u32 seg) | |
382 | { | |
383 | struct qed_cxt_mngr *p_cfg = p_hwfn->p_cxt_mngr; | |
384 | u32 i; | |
385 | ||
386 | /* Find the protocol with tid count > 0 for this segment. | |
387 | * Note: there can only be one and this is already validated. | |
388 | */ | |
389 | for (i = 0; i < MAX_CONN_TYPES; i++) | |
390 | if (p_cfg->conn_cfg[i].tid_seg[seg].count) | |
391 | return &p_cfg->conn_cfg[i].tid_seg[seg]; | |
392 | return NULL; | |
393 | } | |
394 | ||
8c93beaf | 395 | static void qed_cxt_set_srq_count(struct qed_hwfn *p_hwfn, u32 num_srqs) |
dbb799c3 YM |
396 | { |
397 | struct qed_cxt_mngr *p_mgr = p_hwfn->p_cxt_mngr; | |
398 | ||
399 | p_mgr->srq_count = num_srqs; | |
400 | } | |
401 | ||
8c93beaf | 402 | static u32 qed_cxt_get_srq_count(struct qed_hwfn *p_hwfn) |
dbb799c3 YM |
403 | { |
404 | struct qed_cxt_mngr *p_mgr = p_hwfn->p_cxt_mngr; | |
405 | ||
406 | return p_mgr->srq_count; | |
fe56b9e6 YM |
407 | } |
408 | ||
409 | /* set the iids count per protocol */ | |
410 | static void qed_cxt_set_proto_cid_count(struct qed_hwfn *p_hwfn, | |
411 | enum protocol_type type, | |
1408cc1f | 412 | u32 cid_count, u32 vf_cid_cnt) |
fe56b9e6 YM |
413 | { |
414 | struct qed_cxt_mngr *p_mgr = p_hwfn->p_cxt_mngr; | |
415 | struct qed_conn_type_cfg *p_conn = &p_mgr->conn_cfg[type]; | |
416 | ||
417 | p_conn->cid_count = roundup(cid_count, DQ_RANGE_ALIGN); | |
1408cc1f | 418 | p_conn->cids_per_vf = roundup(vf_cid_cnt, DQ_RANGE_ALIGN); |
dbb799c3 YM |
419 | |
420 | if (type == PROTOCOLID_ROCE) { | |
421 | u32 page_sz = p_mgr->clients[ILT_CLI_CDUC].p_size.val; | |
422 | u32 cxt_size = CONN_CXT_SIZE(p_hwfn); | |
423 | u32 elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size; | |
f3e48119 | 424 | u32 align = elems_per_page * DQ_RANGE_ALIGN; |
dbb799c3 | 425 | |
f3e48119 | 426 | p_conn->cid_count = roundup(p_conn->cid_count, align); |
dbb799c3 | 427 | } |
1408cc1f YM |
428 | } |
429 | ||
1a635e48 YM |
430 | u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn, |
431 | enum protocol_type type, u32 *vf_cid) | |
1408cc1f YM |
432 | { |
433 | if (vf_cid) | |
434 | *vf_cid = p_hwfn->p_cxt_mngr->conn_cfg[type].cids_per_vf; | |
435 | ||
436 | return p_hwfn->p_cxt_mngr->conn_cfg[type].cid_count; | |
fe56b9e6 YM |
437 | } |
438 | ||
dbb799c3 YM |
439 | u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn, |
440 | enum protocol_type type) | |
441 | { | |
442 | return p_hwfn->p_cxt_mngr->acquired[type].start_cid; | |
443 | } | |
444 | ||
445 | u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn, | |
446 | enum protocol_type type) | |
447 | { | |
448 | u32 cnt = 0; | |
449 | int i; | |
450 | ||
451 | for (i = 0; i < TASK_SEGMENTS; i++) | |
452 | cnt += p_hwfn->p_cxt_mngr->conn_cfg[type].tid_seg[i].count; | |
453 | ||
454 | return cnt; | |
455 | } | |
456 | ||
1a635e48 YM |
457 | static void qed_cxt_set_proto_tid_count(struct qed_hwfn *p_hwfn, |
458 | enum protocol_type proto, | |
459 | u8 seg, | |
460 | u8 seg_type, u32 count, bool has_fl) | |
dbb799c3 YM |
461 | { |
462 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
463 | struct qed_tid_seg *p_seg = &p_mngr->conn_cfg[proto].tid_seg[seg]; | |
464 | ||
465 | p_seg->count = count; | |
466 | p_seg->has_fl_mem = has_fl; | |
467 | p_seg->type = seg_type; | |
468 | } | |
469 | ||
fe56b9e6 YM |
470 | static void qed_ilt_cli_blk_fill(struct qed_ilt_client_cfg *p_cli, |
471 | struct qed_ilt_cli_blk *p_blk, | |
1a635e48 | 472 | u32 start_line, u32 total_size, u32 elem_size) |
fe56b9e6 YM |
473 | { |
474 | u32 ilt_size = ILT_PAGE_IN_BYTES(p_cli->p_size.val); | |
475 | ||
476 | /* verify thatits called only once for each block */ | |
477 | if (p_blk->total_size) | |
478 | return; | |
479 | ||
480 | p_blk->total_size = total_size; | |
481 | p_blk->real_size_in_page = 0; | |
482 | if (elem_size) | |
483 | p_blk->real_size_in_page = (ilt_size / elem_size) * elem_size; | |
484 | p_blk->start_line = start_line; | |
485 | } | |
486 | ||
487 | static void qed_ilt_cli_adv_line(struct qed_hwfn *p_hwfn, | |
488 | struct qed_ilt_client_cfg *p_cli, | |
489 | struct qed_ilt_cli_blk *p_blk, | |
490 | u32 *p_line, enum ilt_clients client_id) | |
491 | { | |
492 | if (!p_blk->total_size) | |
493 | return; | |
494 | ||
495 | if (!p_cli->active) | |
496 | p_cli->first.val = *p_line; | |
497 | ||
498 | p_cli->active = true; | |
1a635e48 | 499 | *p_line += DIV_ROUND_UP(p_blk->total_size, p_blk->real_size_in_page); |
fe56b9e6 YM |
500 | p_cli->last.val = *p_line - 1; |
501 | ||
502 | DP_VERBOSE(p_hwfn, QED_MSG_ILT, | |
503 | "ILT[Client %d] - Lines: [%08x - %08x]. Block - Size %08x [Real %08x] Start line %d\n", | |
504 | client_id, p_cli->first.val, | |
505 | p_cli->last.val, p_blk->total_size, | |
506 | p_blk->real_size_in_page, p_blk->start_line); | |
507 | } | |
508 | ||
dbb799c3 YM |
509 | static u32 qed_ilt_get_dynamic_line_cnt(struct qed_hwfn *p_hwfn, |
510 | enum ilt_clients ilt_client) | |
511 | { | |
512 | u32 cid_count = p_hwfn->p_cxt_mngr->conn_cfg[PROTOCOLID_ROCE].cid_count; | |
513 | struct qed_ilt_client_cfg *p_cli; | |
514 | u32 lines_to_skip = 0; | |
515 | u32 cxts_per_p; | |
516 | ||
517 | if (ilt_client == ILT_CLI_CDUC) { | |
518 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC]; | |
519 | ||
520 | cxts_per_p = ILT_PAGE_IN_BYTES(p_cli->p_size.val) / | |
521 | (u32) CONN_CXT_SIZE(p_hwfn); | |
522 | ||
523 | lines_to_skip = cid_count / cxts_per_p; | |
524 | } | |
525 | ||
526 | return lines_to_skip; | |
527 | } | |
528 | ||
fe56b9e6 YM |
529 | int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn) |
530 | { | |
531 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
dbb799c3 | 532 | u32 curr_line, total, i, task_size, line; |
fe56b9e6 YM |
533 | struct qed_ilt_client_cfg *p_cli; |
534 | struct qed_ilt_cli_blk *p_blk; | |
1408cc1f | 535 | struct qed_cdu_iids cdu_iids; |
dbb799c3 | 536 | struct qed_src_iids src_iids; |
fe56b9e6 | 537 | struct qed_qm_iids qm_iids; |
dbb799c3 YM |
538 | struct qed_tm_iids tm_iids; |
539 | struct qed_tid_seg *p_seg; | |
fe56b9e6 YM |
540 | |
541 | memset(&qm_iids, 0, sizeof(qm_iids)); | |
1408cc1f | 542 | memset(&cdu_iids, 0, sizeof(cdu_iids)); |
dbb799c3 YM |
543 | memset(&src_iids, 0, sizeof(src_iids)); |
544 | memset(&tm_iids, 0, sizeof(tm_iids)); | |
fe56b9e6 YM |
545 | |
546 | p_mngr->pf_start_line = RESC_START(p_hwfn, QED_ILT); | |
547 | ||
548 | DP_VERBOSE(p_hwfn, QED_MSG_ILT, | |
549 | "hwfn [%d] - Set context manager starting line to be 0x%08x\n", | |
550 | p_hwfn->my_id, p_hwfn->p_cxt_mngr->pf_start_line); | |
551 | ||
552 | /* CDUC */ | |
553 | p_cli = &p_mngr->clients[ILT_CLI_CDUC]; | |
554 | curr_line = p_mngr->pf_start_line; | |
1408cc1f YM |
555 | |
556 | /* CDUC PF */ | |
fe56b9e6 YM |
557 | p_cli->pf_total_lines = 0; |
558 | ||
559 | /* get the counters for the CDUC and QM clients */ | |
1408cc1f | 560 | qed_cxt_cdu_iids(p_mngr, &cdu_iids); |
fe56b9e6 YM |
561 | |
562 | p_blk = &p_cli->pf_blks[CDUC_BLK]; | |
563 | ||
1408cc1f | 564 | total = cdu_iids.pf_cids * CONN_CXT_SIZE(p_hwfn); |
fe56b9e6 YM |
565 | |
566 | qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line, | |
567 | total, CONN_CXT_SIZE(p_hwfn)); | |
568 | ||
569 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, ILT_CLI_CDUC); | |
570 | p_cli->pf_total_lines = curr_line - p_blk->start_line; | |
571 | ||
dbb799c3 YM |
572 | p_blk->dynamic_line_cnt = qed_ilt_get_dynamic_line_cnt(p_hwfn, |
573 | ILT_CLI_CDUC); | |
574 | ||
1408cc1f YM |
575 | /* CDUC VF */ |
576 | p_blk = &p_cli->vf_blks[CDUC_BLK]; | |
577 | total = cdu_iids.per_vf_cids * CONN_CXT_SIZE(p_hwfn); | |
578 | ||
579 | qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line, | |
580 | total, CONN_CXT_SIZE(p_hwfn)); | |
581 | ||
582 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, ILT_CLI_CDUC); | |
583 | p_cli->vf_total_lines = curr_line - p_blk->start_line; | |
584 | ||
585 | for (i = 1; i < p_mngr->vf_count; i++) | |
586 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
587 | ILT_CLI_CDUC); | |
588 | ||
dbb799c3 YM |
589 | /* CDUT PF */ |
590 | p_cli = &p_mngr->clients[ILT_CLI_CDUT]; | |
591 | p_cli->first.val = curr_line; | |
592 | ||
593 | /* first the 'working' task memory */ | |
594 | for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) { | |
595 | p_seg = qed_cxt_tid_seg_info(p_hwfn, i); | |
596 | if (!p_seg || p_seg->count == 0) | |
597 | continue; | |
598 | ||
599 | p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(i)]; | |
600 | total = p_seg->count * p_mngr->task_type_size[p_seg->type]; | |
601 | qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line, total, | |
602 | p_mngr->task_type_size[p_seg->type]); | |
603 | ||
604 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
605 | ILT_CLI_CDUT); | |
606 | } | |
607 | ||
608 | /* next the 'init' task memory (forced load memory) */ | |
609 | for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) { | |
610 | p_seg = qed_cxt_tid_seg_info(p_hwfn, i); | |
611 | if (!p_seg || p_seg->count == 0) | |
612 | continue; | |
613 | ||
614 | p_blk = &p_cli->pf_blks[CDUT_FL_SEG_BLK(i, PF)]; | |
615 | ||
616 | if (!p_seg->has_fl_mem) { | |
617 | /* The segment is active (total size pf 'working' | |
618 | * memory is > 0) but has no FL (forced-load, Init) | |
619 | * memory. Thus: | |
620 | * | |
621 | * 1. The total-size in the corrsponding FL block of | |
622 | * the ILT client is set to 0 - No ILT line are | |
623 | * provisioned and no ILT memory allocated. | |
624 | * | |
625 | * 2. The start-line of said block is set to the | |
626 | * start line of the matching working memory | |
627 | * block in the ILT client. This is later used to | |
628 | * configure the CDU segment offset registers and | |
629 | * results in an FL command for TIDs of this | |
630 | * segement behaves as regular load commands | |
631 | * (loading TIDs from the working memory). | |
632 | */ | |
633 | line = p_cli->pf_blks[CDUT_SEG_BLK(i)].start_line; | |
634 | ||
635 | qed_ilt_cli_blk_fill(p_cli, p_blk, line, 0, 0); | |
636 | continue; | |
637 | } | |
638 | total = p_seg->count * p_mngr->task_type_size[p_seg->type]; | |
639 | ||
640 | qed_ilt_cli_blk_fill(p_cli, p_blk, | |
641 | curr_line, total, | |
642 | p_mngr->task_type_size[p_seg->type]); | |
643 | ||
644 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
645 | ILT_CLI_CDUT); | |
646 | } | |
647 | p_cli->pf_total_lines = curr_line - p_cli->pf_blks[0].start_line; | |
648 | ||
649 | /* CDUT VF */ | |
650 | p_seg = qed_cxt_tid_seg_info(p_hwfn, TASK_SEGMENT_VF); | |
651 | if (p_seg && p_seg->count) { | |
652 | /* Stricly speaking we need to iterate over all VF | |
653 | * task segment types, but a VF has only 1 segment | |
654 | */ | |
655 | ||
656 | /* 'working' memory */ | |
657 | total = p_seg->count * p_mngr->task_type_size[p_seg->type]; | |
658 | ||
659 | p_blk = &p_cli->vf_blks[CDUT_SEG_BLK(0)]; | |
660 | qed_ilt_cli_blk_fill(p_cli, p_blk, | |
661 | curr_line, total, | |
662 | p_mngr->task_type_size[p_seg->type]); | |
663 | ||
664 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
665 | ILT_CLI_CDUT); | |
666 | ||
667 | /* 'init' memory */ | |
668 | p_blk = &p_cli->vf_blks[CDUT_FL_SEG_BLK(0, VF)]; | |
669 | if (!p_seg->has_fl_mem) { | |
670 | /* see comment above */ | |
671 | line = p_cli->vf_blks[CDUT_SEG_BLK(0)].start_line; | |
672 | qed_ilt_cli_blk_fill(p_cli, p_blk, line, 0, 0); | |
673 | } else { | |
674 | task_size = p_mngr->task_type_size[p_seg->type]; | |
675 | qed_ilt_cli_blk_fill(p_cli, p_blk, | |
676 | curr_line, total, task_size); | |
677 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
678 | ILT_CLI_CDUT); | |
679 | } | |
680 | p_cli->vf_total_lines = curr_line - | |
681 | p_cli->vf_blks[0].start_line; | |
682 | ||
683 | /* Now for the rest of the VFs */ | |
684 | for (i = 1; i < p_mngr->vf_count; i++) { | |
685 | p_blk = &p_cli->vf_blks[CDUT_SEG_BLK(0)]; | |
686 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
687 | ILT_CLI_CDUT); | |
688 | ||
689 | p_blk = &p_cli->vf_blks[CDUT_FL_SEG_BLK(0, VF)]; | |
690 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
691 | ILT_CLI_CDUT); | |
692 | } | |
693 | } | |
694 | ||
fe56b9e6 YM |
695 | /* QM */ |
696 | p_cli = &p_mngr->clients[ILT_CLI_QM]; | |
697 | p_blk = &p_cli->pf_blks[0]; | |
698 | ||
699 | qed_cxt_qm_iids(p_hwfn, &qm_iids); | |
1408cc1f | 700 | total = qed_qm_pf_mem_size(p_hwfn->rel_pf_id, qm_iids.cids, |
dbb799c3 | 701 | qm_iids.vf_cids, qm_iids.tids, |
1408cc1f YM |
702 | p_hwfn->qm_info.num_pqs, |
703 | p_hwfn->qm_info.num_vf_pqs); | |
704 | ||
705 | DP_VERBOSE(p_hwfn, | |
706 | QED_MSG_ILT, | |
dbb799c3 | 707 | "QM ILT Info, (cids=%d, vf_cids=%d, tids=%d, num_pqs=%d, num_vf_pqs=%d, memory_size=%d)\n", |
1408cc1f YM |
708 | qm_iids.cids, |
709 | qm_iids.vf_cids, | |
dbb799c3 | 710 | qm_iids.tids, |
1408cc1f | 711 | p_hwfn->qm_info.num_pqs, p_hwfn->qm_info.num_vf_pqs, total); |
fe56b9e6 YM |
712 | |
713 | qed_ilt_cli_blk_fill(p_cli, p_blk, | |
714 | curr_line, total * 0x1000, | |
715 | QM_PQ_ELEMENT_SIZE); | |
716 | ||
717 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, ILT_CLI_QM); | |
718 | p_cli->pf_total_lines = curr_line - p_blk->start_line; | |
719 | ||
dbb799c3 YM |
720 | /* SRC */ |
721 | p_cli = &p_mngr->clients[ILT_CLI_SRC]; | |
722 | qed_cxt_src_iids(p_mngr, &src_iids); | |
723 | ||
724 | /* Both the PF and VFs searcher connections are stored in the per PF | |
725 | * database. Thus sum the PF searcher cids and all the VFs searcher | |
726 | * cids. | |
727 | */ | |
728 | total = src_iids.pf_cids + src_iids.per_vf_cids * p_mngr->vf_count; | |
729 | if (total) { | |
730 | u32 local_max = max_t(u32, total, | |
731 | SRC_MIN_NUM_ELEMS); | |
732 | ||
733 | total = roundup_pow_of_two(local_max); | |
734 | ||
735 | p_blk = &p_cli->pf_blks[0]; | |
736 | qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line, | |
737 | total * sizeof(struct src_ent), | |
738 | sizeof(struct src_ent)); | |
739 | ||
740 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
741 | ILT_CLI_SRC); | |
742 | p_cli->pf_total_lines = curr_line - p_blk->start_line; | |
743 | } | |
744 | ||
745 | /* TM PF */ | |
746 | p_cli = &p_mngr->clients[ILT_CLI_TM]; | |
747 | qed_cxt_tm_iids(p_mngr, &tm_iids); | |
748 | total = tm_iids.pf_cids + tm_iids.pf_tids_total; | |
749 | if (total) { | |
750 | p_blk = &p_cli->pf_blks[0]; | |
751 | qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line, | |
752 | total * TM_ELEM_SIZE, TM_ELEM_SIZE); | |
753 | ||
754 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
755 | ILT_CLI_TM); | |
756 | p_cli->pf_total_lines = curr_line - p_blk->start_line; | |
757 | } | |
758 | ||
759 | /* TM VF */ | |
760 | total = tm_iids.per_vf_cids + tm_iids.per_vf_tids; | |
761 | if (total) { | |
762 | p_blk = &p_cli->vf_blks[0]; | |
763 | qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line, | |
764 | total * TM_ELEM_SIZE, TM_ELEM_SIZE); | |
765 | ||
766 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
767 | ILT_CLI_TM); | |
768 | p_cli->pf_total_lines = curr_line - p_blk->start_line; | |
769 | ||
770 | for (i = 1; i < p_mngr->vf_count; i++) | |
771 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
772 | ILT_CLI_TM); | |
773 | } | |
774 | ||
775 | /* TSDM (SRQ CONTEXT) */ | |
776 | total = qed_cxt_get_srq_count(p_hwfn); | |
777 | ||
778 | if (total) { | |
779 | p_cli = &p_mngr->clients[ILT_CLI_TSDM]; | |
780 | p_blk = &p_cli->pf_blks[SRQ_BLK]; | |
781 | qed_ilt_cli_blk_fill(p_cli, p_blk, curr_line, | |
782 | total * SRQ_CXT_SIZE, SRQ_CXT_SIZE); | |
783 | ||
784 | qed_ilt_cli_adv_line(p_hwfn, p_cli, p_blk, &curr_line, | |
785 | ILT_CLI_TSDM); | |
786 | p_cli->pf_total_lines = curr_line - p_blk->start_line; | |
787 | } | |
788 | ||
fe56b9e6 YM |
789 | if (curr_line - p_hwfn->p_cxt_mngr->pf_start_line > |
790 | RESC_NUM(p_hwfn, QED_ILT)) { | |
791 | DP_ERR(p_hwfn, "too many ilt lines...#lines=%d\n", | |
792 | curr_line - p_hwfn->p_cxt_mngr->pf_start_line); | |
793 | return -EINVAL; | |
794 | } | |
795 | ||
796 | return 0; | |
797 | } | |
798 | ||
dbb799c3 YM |
799 | static void qed_cxt_src_t2_free(struct qed_hwfn *p_hwfn) |
800 | { | |
801 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
802 | u32 i; | |
803 | ||
804 | if (!p_mngr->t2) | |
805 | return; | |
806 | ||
807 | for (i = 0; i < p_mngr->t2_num_pages; i++) | |
808 | if (p_mngr->t2[i].p_virt) | |
809 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
810 | p_mngr->t2[i].size, | |
811 | p_mngr->t2[i].p_virt, | |
812 | p_mngr->t2[i].p_phys); | |
813 | ||
814 | kfree(p_mngr->t2); | |
815 | p_mngr->t2 = NULL; | |
816 | } | |
817 | ||
818 | static int qed_cxt_src_t2_alloc(struct qed_hwfn *p_hwfn) | |
819 | { | |
820 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
821 | u32 conn_num, total_size, ent_per_page, psz, i; | |
822 | struct qed_ilt_client_cfg *p_src; | |
823 | struct qed_src_iids src_iids; | |
824 | struct qed_dma_mem *p_t2; | |
825 | int rc; | |
826 | ||
827 | memset(&src_iids, 0, sizeof(src_iids)); | |
828 | ||
829 | /* if the SRC ILT client is inactive - there are no connection | |
830 | * requiring the searcer, leave. | |
831 | */ | |
832 | p_src = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_SRC]; | |
833 | if (!p_src->active) | |
834 | return 0; | |
835 | ||
836 | qed_cxt_src_iids(p_mngr, &src_iids); | |
837 | conn_num = src_iids.pf_cids + src_iids.per_vf_cids * p_mngr->vf_count; | |
838 | total_size = conn_num * sizeof(struct src_ent); | |
839 | ||
840 | /* use the same page size as the SRC ILT client */ | |
841 | psz = ILT_PAGE_IN_BYTES(p_src->p_size.val); | |
842 | p_mngr->t2_num_pages = DIV_ROUND_UP(total_size, psz); | |
843 | ||
844 | /* allocate t2 */ | |
2591c280 | 845 | p_mngr->t2 = kcalloc(p_mngr->t2_num_pages, sizeof(struct qed_dma_mem), |
dbb799c3 YM |
846 | GFP_KERNEL); |
847 | if (!p_mngr->t2) { | |
dbb799c3 YM |
848 | rc = -ENOMEM; |
849 | goto t2_fail; | |
850 | } | |
851 | ||
852 | /* allocate t2 pages */ | |
853 | for (i = 0; i < p_mngr->t2_num_pages; i++) { | |
854 | u32 size = min_t(u32, total_size, psz); | |
855 | void **p_virt = &p_mngr->t2[i].p_virt; | |
856 | ||
857 | *p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, | |
858 | size, | |
859 | &p_mngr->t2[i].p_phys, GFP_KERNEL); | |
860 | if (!p_mngr->t2[i].p_virt) { | |
861 | rc = -ENOMEM; | |
862 | goto t2_fail; | |
863 | } | |
864 | memset(*p_virt, 0, size); | |
865 | p_mngr->t2[i].size = size; | |
866 | total_size -= size; | |
867 | } | |
868 | ||
869 | /* Set the t2 pointers */ | |
870 | ||
871 | /* entries per page - must be a power of two */ | |
872 | ent_per_page = psz / sizeof(struct src_ent); | |
873 | ||
874 | p_mngr->first_free = (u64) p_mngr->t2[0].p_phys; | |
875 | ||
876 | p_t2 = &p_mngr->t2[(conn_num - 1) / ent_per_page]; | |
877 | p_mngr->last_free = (u64) p_t2->p_phys + | |
878 | ((conn_num - 1) & (ent_per_page - 1)) * sizeof(struct src_ent); | |
879 | ||
880 | for (i = 0; i < p_mngr->t2_num_pages; i++) { | |
881 | u32 ent_num = min_t(u32, | |
882 | ent_per_page, | |
883 | conn_num); | |
884 | struct src_ent *entries = p_mngr->t2[i].p_virt; | |
885 | u64 p_ent_phys = (u64) p_mngr->t2[i].p_phys, val; | |
886 | u32 j; | |
887 | ||
888 | for (j = 0; j < ent_num - 1; j++) { | |
889 | val = p_ent_phys + (j + 1) * sizeof(struct src_ent); | |
890 | entries[j].next = cpu_to_be64(val); | |
891 | } | |
892 | ||
893 | if (i < p_mngr->t2_num_pages - 1) | |
894 | val = (u64) p_mngr->t2[i + 1].p_phys; | |
895 | else | |
896 | val = 0; | |
897 | entries[j].next = cpu_to_be64(val); | |
898 | ||
01e517f1 | 899 | conn_num -= ent_num; |
dbb799c3 YM |
900 | } |
901 | ||
902 | return 0; | |
903 | ||
904 | t2_fail: | |
905 | qed_cxt_src_t2_free(p_hwfn); | |
906 | return rc; | |
907 | } | |
908 | ||
fe56b9e6 | 909 | #define for_each_ilt_valid_client(pos, clients) \ |
dbb799c3 YM |
910 | for (pos = 0; pos < ILT_CLI_MAX; pos++) \ |
911 | if (!clients[pos].active) { \ | |
912 | continue; \ | |
913 | } else \ | |
fe56b9e6 YM |
914 | |
915 | /* Total number of ILT lines used by this PF */ | |
916 | static u32 qed_cxt_ilt_shadow_size(struct qed_ilt_client_cfg *ilt_clients) | |
917 | { | |
918 | u32 size = 0; | |
919 | u32 i; | |
920 | ||
dbb799c3 YM |
921 | for_each_ilt_valid_client(i, ilt_clients) |
922 | size += (ilt_clients[i].last.val - ilt_clients[i].first.val + 1); | |
fe56b9e6 YM |
923 | |
924 | return size; | |
925 | } | |
926 | ||
927 | static void qed_ilt_shadow_free(struct qed_hwfn *p_hwfn) | |
928 | { | |
929 | struct qed_ilt_client_cfg *p_cli = p_hwfn->p_cxt_mngr->clients; | |
930 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
931 | u32 ilt_size, i; | |
932 | ||
933 | ilt_size = qed_cxt_ilt_shadow_size(p_cli); | |
934 | ||
935 | for (i = 0; p_mngr->ilt_shadow && i < ilt_size; i++) { | |
936 | struct qed_dma_mem *p_dma = &p_mngr->ilt_shadow[i]; | |
937 | ||
938 | if (p_dma->p_virt) | |
939 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
940 | p_dma->size, p_dma->p_virt, | |
941 | p_dma->p_phys); | |
942 | p_dma->p_virt = NULL; | |
943 | } | |
944 | kfree(p_mngr->ilt_shadow); | |
945 | } | |
946 | ||
947 | static int qed_ilt_blk_alloc(struct qed_hwfn *p_hwfn, | |
948 | struct qed_ilt_cli_blk *p_blk, | |
949 | enum ilt_clients ilt_client, | |
950 | u32 start_line_offset) | |
951 | { | |
952 | struct qed_dma_mem *ilt_shadow = p_hwfn->p_cxt_mngr->ilt_shadow; | |
dbb799c3 YM |
953 | u32 lines, line, sz_left, lines_to_skip = 0; |
954 | ||
955 | /* Special handling for RoCE that supports dynamic allocation */ | |
956 | if ((p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE) && | |
957 | ((ilt_client == ILT_CLI_CDUT) || ilt_client == ILT_CLI_TSDM)) | |
958 | return 0; | |
959 | ||
960 | lines_to_skip = p_blk->dynamic_line_cnt; | |
fe56b9e6 YM |
961 | |
962 | if (!p_blk->total_size) | |
963 | return 0; | |
964 | ||
965 | sz_left = p_blk->total_size; | |
dbb799c3 | 966 | lines = DIV_ROUND_UP(sz_left, p_blk->real_size_in_page) - lines_to_skip; |
fe56b9e6 | 967 | line = p_blk->start_line + start_line_offset - |
dbb799c3 | 968 | p_hwfn->p_cxt_mngr->pf_start_line + lines_to_skip; |
fe56b9e6 YM |
969 | |
970 | for (; lines; lines--) { | |
971 | dma_addr_t p_phys; | |
972 | void *p_virt; | |
973 | u32 size; | |
974 | ||
1a635e48 | 975 | size = min_t(u32, sz_left, p_blk->real_size_in_page); |
fe56b9e6 | 976 | p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, |
1a635e48 | 977 | size, &p_phys, GFP_KERNEL); |
fe56b9e6 YM |
978 | if (!p_virt) |
979 | return -ENOMEM; | |
980 | memset(p_virt, 0, size); | |
981 | ||
982 | ilt_shadow[line].p_phys = p_phys; | |
983 | ilt_shadow[line].p_virt = p_virt; | |
984 | ilt_shadow[line].size = size; | |
985 | ||
986 | DP_VERBOSE(p_hwfn, QED_MSG_ILT, | |
987 | "ILT shadow: Line [%d] Physical 0x%llx Virtual %p Size %d\n", | |
988 | line, (u64)p_phys, p_virt, size); | |
989 | ||
990 | sz_left -= size; | |
991 | line++; | |
992 | } | |
993 | ||
994 | return 0; | |
995 | } | |
996 | ||
997 | static int qed_ilt_shadow_alloc(struct qed_hwfn *p_hwfn) | |
998 | { | |
999 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1000 | struct qed_ilt_client_cfg *clients = p_mngr->clients; | |
1001 | struct qed_ilt_cli_blk *p_blk; | |
1408cc1f | 1002 | u32 size, i, j, k; |
fe56b9e6 YM |
1003 | int rc; |
1004 | ||
1005 | size = qed_cxt_ilt_shadow_size(clients); | |
1006 | p_mngr->ilt_shadow = kcalloc(size, sizeof(struct qed_dma_mem), | |
1007 | GFP_KERNEL); | |
1008 | if (!p_mngr->ilt_shadow) { | |
fe56b9e6 YM |
1009 | rc = -ENOMEM; |
1010 | goto ilt_shadow_fail; | |
1011 | } | |
1012 | ||
1013 | DP_VERBOSE(p_hwfn, QED_MSG_ILT, | |
1014 | "Allocated 0x%x bytes for ilt shadow\n", | |
1015 | (u32)(size * sizeof(struct qed_dma_mem))); | |
1016 | ||
1017 | for_each_ilt_valid_client(i, clients) { | |
fe56b9e6 YM |
1018 | for (j = 0; j < ILT_CLI_PF_BLOCKS; j++) { |
1019 | p_blk = &clients[i].pf_blks[j]; | |
1020 | rc = qed_ilt_blk_alloc(p_hwfn, p_blk, i, 0); | |
1a635e48 | 1021 | if (rc) |
fe56b9e6 YM |
1022 | goto ilt_shadow_fail; |
1023 | } | |
1408cc1f YM |
1024 | for (k = 0; k < p_mngr->vf_count; k++) { |
1025 | for (j = 0; j < ILT_CLI_VF_BLOCKS; j++) { | |
1026 | u32 lines = clients[i].vf_total_lines * k; | |
1027 | ||
1028 | p_blk = &clients[i].vf_blks[j]; | |
1029 | rc = qed_ilt_blk_alloc(p_hwfn, p_blk, i, lines); | |
1a635e48 | 1030 | if (rc) |
1408cc1f YM |
1031 | goto ilt_shadow_fail; |
1032 | } | |
1033 | } | |
fe56b9e6 YM |
1034 | } |
1035 | ||
1036 | return 0; | |
1037 | ||
1038 | ilt_shadow_fail: | |
1039 | qed_ilt_shadow_free(p_hwfn); | |
1040 | return rc; | |
1041 | } | |
1042 | ||
1043 | static void qed_cid_map_free(struct qed_hwfn *p_hwfn) | |
1044 | { | |
1045 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1046 | u32 type; | |
1047 | ||
1048 | for (type = 0; type < MAX_CONN_TYPES; type++) { | |
1049 | kfree(p_mngr->acquired[type].cid_map); | |
1050 | p_mngr->acquired[type].max_count = 0; | |
1051 | p_mngr->acquired[type].start_cid = 0; | |
1052 | } | |
1053 | } | |
1054 | ||
1055 | static int qed_cid_map_alloc(struct qed_hwfn *p_hwfn) | |
1056 | { | |
1057 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1058 | u32 start_cid = 0; | |
1059 | u32 type; | |
1060 | ||
1061 | for (type = 0; type < MAX_CONN_TYPES; type++) { | |
1062 | u32 cid_cnt = p_hwfn->p_cxt_mngr->conn_cfg[type].cid_count; | |
1063 | u32 size; | |
1064 | ||
1065 | if (cid_cnt == 0) | |
1066 | continue; | |
1067 | ||
1068 | size = DIV_ROUND_UP(cid_cnt, | |
1069 | sizeof(unsigned long) * BITS_PER_BYTE) * | |
1070 | sizeof(unsigned long); | |
1071 | p_mngr->acquired[type].cid_map = kzalloc(size, GFP_KERNEL); | |
1072 | if (!p_mngr->acquired[type].cid_map) | |
1073 | goto cid_map_fail; | |
1074 | ||
1075 | p_mngr->acquired[type].max_count = cid_cnt; | |
1076 | p_mngr->acquired[type].start_cid = start_cid; | |
1077 | ||
1078 | p_hwfn->p_cxt_mngr->conn_cfg[type].cid_start = start_cid; | |
1079 | ||
1080 | DP_VERBOSE(p_hwfn, QED_MSG_CXT, | |
1081 | "Type %08x start: %08x count %08x\n", | |
1082 | type, p_mngr->acquired[type].start_cid, | |
1083 | p_mngr->acquired[type].max_count); | |
1084 | start_cid += cid_cnt; | |
1085 | } | |
1086 | ||
1087 | return 0; | |
1088 | ||
1089 | cid_map_fail: | |
1090 | qed_cid_map_free(p_hwfn); | |
1091 | return -ENOMEM; | |
1092 | } | |
1093 | ||
1094 | int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn) | |
1095 | { | |
dbb799c3 | 1096 | struct qed_ilt_client_cfg *clients; |
fe56b9e6 YM |
1097 | struct qed_cxt_mngr *p_mngr; |
1098 | u32 i; | |
1099 | ||
60fffb3b | 1100 | p_mngr = kzalloc(sizeof(*p_mngr), GFP_KERNEL); |
2591c280 | 1101 | if (!p_mngr) |
fe56b9e6 | 1102 | return -ENOMEM; |
fe56b9e6 YM |
1103 | |
1104 | /* Initialize ILT client registers */ | |
dbb799c3 YM |
1105 | clients = p_mngr->clients; |
1106 | clients[ILT_CLI_CDUC].first.reg = ILT_CFG_REG(CDUC, FIRST_ILT); | |
1107 | clients[ILT_CLI_CDUC].last.reg = ILT_CFG_REG(CDUC, LAST_ILT); | |
1108 | clients[ILT_CLI_CDUC].p_size.reg = ILT_CFG_REG(CDUC, P_SIZE); | |
1109 | ||
1110 | clients[ILT_CLI_QM].first.reg = ILT_CFG_REG(QM, FIRST_ILT); | |
1111 | clients[ILT_CLI_QM].last.reg = ILT_CFG_REG(QM, LAST_ILT); | |
1112 | clients[ILT_CLI_QM].p_size.reg = ILT_CFG_REG(QM, P_SIZE); | |
1113 | ||
1114 | clients[ILT_CLI_TM].first.reg = ILT_CFG_REG(TM, FIRST_ILT); | |
1115 | clients[ILT_CLI_TM].last.reg = ILT_CFG_REG(TM, LAST_ILT); | |
1116 | clients[ILT_CLI_TM].p_size.reg = ILT_CFG_REG(TM, P_SIZE); | |
1117 | ||
1118 | clients[ILT_CLI_SRC].first.reg = ILT_CFG_REG(SRC, FIRST_ILT); | |
1119 | clients[ILT_CLI_SRC].last.reg = ILT_CFG_REG(SRC, LAST_ILT); | |
1120 | clients[ILT_CLI_SRC].p_size.reg = ILT_CFG_REG(SRC, P_SIZE); | |
1121 | ||
1122 | clients[ILT_CLI_CDUT].first.reg = ILT_CFG_REG(CDUT, FIRST_ILT); | |
1123 | clients[ILT_CLI_CDUT].last.reg = ILT_CFG_REG(CDUT, LAST_ILT); | |
1124 | clients[ILT_CLI_CDUT].p_size.reg = ILT_CFG_REG(CDUT, P_SIZE); | |
1125 | ||
1126 | clients[ILT_CLI_TSDM].first.reg = ILT_CFG_REG(TSDM, FIRST_ILT); | |
1127 | clients[ILT_CLI_TSDM].last.reg = ILT_CFG_REG(TSDM, LAST_ILT); | |
1128 | clients[ILT_CLI_TSDM].p_size.reg = ILT_CFG_REG(TSDM, P_SIZE); | |
be086e7c | 1129 | /* default ILT page size for all clients is 64K */ |
fe56b9e6 YM |
1130 | for (i = 0; i < ILT_CLI_MAX; i++) |
1131 | p_mngr->clients[i].p_size.val = ILT_DEFAULT_HW_P_SIZE; | |
1132 | ||
dbb799c3 YM |
1133 | /* Initialize task sizes */ |
1134 | p_mngr->task_type_size[0] = TYPE0_TASK_CXT_SIZE(p_hwfn); | |
1135 | p_mngr->task_type_size[1] = TYPE1_TASK_CXT_SIZE(p_hwfn); | |
1136 | ||
1408cc1f YM |
1137 | if (p_hwfn->cdev->p_iov_info) |
1138 | p_mngr->vf_count = p_hwfn->cdev->p_iov_info->total_vfs; | |
dbb799c3 YM |
1139 | /* Initialize the dynamic ILT allocation mutex */ |
1140 | mutex_init(&p_mngr->mutex); | |
1408cc1f | 1141 | |
fe56b9e6 YM |
1142 | /* Set the cxt mangr pointer priori to further allocations */ |
1143 | p_hwfn->p_cxt_mngr = p_mngr; | |
1144 | ||
1145 | return 0; | |
1146 | } | |
1147 | ||
1148 | int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn) | |
1149 | { | |
1150 | int rc; | |
1151 | ||
1152 | /* Allocate the ILT shadow table */ | |
1153 | rc = qed_ilt_shadow_alloc(p_hwfn); | |
2591c280 | 1154 | if (rc) |
fe56b9e6 | 1155 | goto tables_alloc_fail; |
fe56b9e6 | 1156 | |
dbb799c3 YM |
1157 | /* Allocate the T2 table */ |
1158 | rc = qed_cxt_src_t2_alloc(p_hwfn); | |
2591c280 | 1159 | if (rc) |
dbb799c3 | 1160 | goto tables_alloc_fail; |
dbb799c3 | 1161 | |
fe56b9e6 YM |
1162 | /* Allocate and initialize the acquired cids bitmaps */ |
1163 | rc = qed_cid_map_alloc(p_hwfn); | |
2591c280 | 1164 | if (rc) |
fe56b9e6 | 1165 | goto tables_alloc_fail; |
fe56b9e6 YM |
1166 | |
1167 | return 0; | |
1168 | ||
1169 | tables_alloc_fail: | |
1170 | qed_cxt_mngr_free(p_hwfn); | |
1171 | return rc; | |
1172 | } | |
1173 | ||
1174 | void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn) | |
1175 | { | |
1176 | if (!p_hwfn->p_cxt_mngr) | |
1177 | return; | |
1178 | ||
1179 | qed_cid_map_free(p_hwfn); | |
dbb799c3 | 1180 | qed_cxt_src_t2_free(p_hwfn); |
fe56b9e6 YM |
1181 | qed_ilt_shadow_free(p_hwfn); |
1182 | kfree(p_hwfn->p_cxt_mngr); | |
1183 | ||
1184 | p_hwfn->p_cxt_mngr = NULL; | |
1185 | } | |
1186 | ||
1187 | void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn) | |
1188 | { | |
1189 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1190 | int type; | |
1191 | ||
1192 | /* Reset acquired cids */ | |
1193 | for (type = 0; type < MAX_CONN_TYPES; type++) { | |
1194 | u32 cid_cnt = p_hwfn->p_cxt_mngr->conn_cfg[type].cid_count; | |
1195 | ||
1196 | if (cid_cnt == 0) | |
1197 | continue; | |
1198 | ||
1199 | memset(p_mngr->acquired[type].cid_map, 0, | |
1200 | DIV_ROUND_UP(cid_cnt, | |
1201 | sizeof(unsigned long) * BITS_PER_BYTE) * | |
1202 | sizeof(unsigned long)); | |
1203 | } | |
1204 | } | |
1205 | ||
1206 | /* CDU Common */ | |
1207 | #define CDUC_CXT_SIZE_SHIFT \ | |
1208 | CDU_REG_CID_ADDR_PARAMS_CONTEXT_SIZE_SHIFT | |
1209 | ||
1210 | #define CDUC_CXT_SIZE_MASK \ | |
1211 | (CDU_REG_CID_ADDR_PARAMS_CONTEXT_SIZE >> CDUC_CXT_SIZE_SHIFT) | |
1212 | ||
1213 | #define CDUC_BLOCK_WASTE_SHIFT \ | |
1214 | CDU_REG_CID_ADDR_PARAMS_BLOCK_WASTE_SHIFT | |
1215 | ||
1216 | #define CDUC_BLOCK_WASTE_MASK \ | |
1217 | (CDU_REG_CID_ADDR_PARAMS_BLOCK_WASTE >> CDUC_BLOCK_WASTE_SHIFT) | |
1218 | ||
1219 | #define CDUC_NCIB_SHIFT \ | |
1220 | CDU_REG_CID_ADDR_PARAMS_NCIB_SHIFT | |
1221 | ||
1222 | #define CDUC_NCIB_MASK \ | |
1223 | (CDU_REG_CID_ADDR_PARAMS_NCIB >> CDUC_NCIB_SHIFT) | |
1224 | ||
dbb799c3 YM |
1225 | #define CDUT_TYPE0_CXT_SIZE_SHIFT \ |
1226 | CDU_REG_SEGMENT0_PARAMS_T0_TID_SIZE_SHIFT | |
1227 | ||
1228 | #define CDUT_TYPE0_CXT_SIZE_MASK \ | |
1229 | (CDU_REG_SEGMENT0_PARAMS_T0_TID_SIZE >> \ | |
1230 | CDUT_TYPE0_CXT_SIZE_SHIFT) | |
1231 | ||
1232 | #define CDUT_TYPE0_BLOCK_WASTE_SHIFT \ | |
1233 | CDU_REG_SEGMENT0_PARAMS_T0_TID_BLOCK_WASTE_SHIFT | |
1234 | ||
1235 | #define CDUT_TYPE0_BLOCK_WASTE_MASK \ | |
1236 | (CDU_REG_SEGMENT0_PARAMS_T0_TID_BLOCK_WASTE >> \ | |
1237 | CDUT_TYPE0_BLOCK_WASTE_SHIFT) | |
1238 | ||
1239 | #define CDUT_TYPE0_NCIB_SHIFT \ | |
1240 | CDU_REG_SEGMENT0_PARAMS_T0_NUM_TIDS_IN_BLOCK_SHIFT | |
1241 | ||
1242 | #define CDUT_TYPE0_NCIB_MASK \ | |
1243 | (CDU_REG_SEGMENT0_PARAMS_T0_NUM_TIDS_IN_BLOCK >> \ | |
1244 | CDUT_TYPE0_NCIB_SHIFT) | |
1245 | ||
1246 | #define CDUT_TYPE1_CXT_SIZE_SHIFT \ | |
1247 | CDU_REG_SEGMENT1_PARAMS_T1_TID_SIZE_SHIFT | |
1248 | ||
1249 | #define CDUT_TYPE1_CXT_SIZE_MASK \ | |
1250 | (CDU_REG_SEGMENT1_PARAMS_T1_TID_SIZE >> \ | |
1251 | CDUT_TYPE1_CXT_SIZE_SHIFT) | |
1252 | ||
1253 | #define CDUT_TYPE1_BLOCK_WASTE_SHIFT \ | |
1254 | CDU_REG_SEGMENT1_PARAMS_T1_TID_BLOCK_WASTE_SHIFT | |
1255 | ||
1256 | #define CDUT_TYPE1_BLOCK_WASTE_MASK \ | |
1257 | (CDU_REG_SEGMENT1_PARAMS_T1_TID_BLOCK_WASTE >> \ | |
1258 | CDUT_TYPE1_BLOCK_WASTE_SHIFT) | |
1259 | ||
1260 | #define CDUT_TYPE1_NCIB_SHIFT \ | |
1261 | CDU_REG_SEGMENT1_PARAMS_T1_NUM_TIDS_IN_BLOCK_SHIFT | |
1262 | ||
1263 | #define CDUT_TYPE1_NCIB_MASK \ | |
1264 | (CDU_REG_SEGMENT1_PARAMS_T1_NUM_TIDS_IN_BLOCK >> \ | |
1265 | CDUT_TYPE1_NCIB_SHIFT) | |
1266 | ||
fe56b9e6 YM |
1267 | static void qed_cdu_init_common(struct qed_hwfn *p_hwfn) |
1268 | { | |
1269 | u32 page_sz, elems_per_page, block_waste, cxt_size, cdu_params = 0; | |
1270 | ||
1271 | /* CDUC - connection configuration */ | |
1272 | page_sz = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC].p_size.val; | |
1273 | cxt_size = CONN_CXT_SIZE(p_hwfn); | |
1274 | elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size; | |
1275 | block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size; | |
1276 | ||
1277 | SET_FIELD(cdu_params, CDUC_CXT_SIZE, cxt_size); | |
1278 | SET_FIELD(cdu_params, CDUC_BLOCK_WASTE, block_waste); | |
1279 | SET_FIELD(cdu_params, CDUC_NCIB, elems_per_page); | |
1280 | STORE_RT_REG(p_hwfn, CDU_REG_CID_ADDR_PARAMS_RT_OFFSET, cdu_params); | |
dbb799c3 YM |
1281 | |
1282 | /* CDUT - type-0 tasks configuration */ | |
1283 | page_sz = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT].p_size.val; | |
1284 | cxt_size = p_hwfn->p_cxt_mngr->task_type_size[0]; | |
1285 | elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size; | |
1286 | block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size; | |
1287 | ||
1288 | /* cxt size and block-waste are multipes of 8 */ | |
1289 | cdu_params = 0; | |
1290 | SET_FIELD(cdu_params, CDUT_TYPE0_CXT_SIZE, (cxt_size >> 3)); | |
1291 | SET_FIELD(cdu_params, CDUT_TYPE0_BLOCK_WASTE, (block_waste >> 3)); | |
1292 | SET_FIELD(cdu_params, CDUT_TYPE0_NCIB, elems_per_page); | |
1293 | STORE_RT_REG(p_hwfn, CDU_REG_SEGMENT0_PARAMS_RT_OFFSET, cdu_params); | |
1294 | ||
1295 | /* CDUT - type-1 tasks configuration */ | |
1296 | cxt_size = p_hwfn->p_cxt_mngr->task_type_size[1]; | |
1297 | elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size; | |
1298 | block_waste = ILT_PAGE_IN_BYTES(page_sz) - elems_per_page * cxt_size; | |
1299 | ||
1300 | /* cxt size and block-waste are multipes of 8 */ | |
1301 | cdu_params = 0; | |
1302 | SET_FIELD(cdu_params, CDUT_TYPE1_CXT_SIZE, (cxt_size >> 3)); | |
1303 | SET_FIELD(cdu_params, CDUT_TYPE1_BLOCK_WASTE, (block_waste >> 3)); | |
1304 | SET_FIELD(cdu_params, CDUT_TYPE1_NCIB, elems_per_page); | |
1305 | STORE_RT_REG(p_hwfn, CDU_REG_SEGMENT1_PARAMS_RT_OFFSET, cdu_params); | |
1306 | } | |
1307 | ||
1308 | /* CDU PF */ | |
1309 | #define CDU_SEG_REG_TYPE_SHIFT CDU_SEG_TYPE_OFFSET_REG_TYPE_SHIFT | |
1310 | #define CDU_SEG_REG_TYPE_MASK 0x1 | |
1311 | #define CDU_SEG_REG_OFFSET_SHIFT 0 | |
1312 | #define CDU_SEG_REG_OFFSET_MASK CDU_SEG_TYPE_OFFSET_REG_OFFSET_MASK | |
1313 | ||
1314 | static void qed_cdu_init_pf(struct qed_hwfn *p_hwfn) | |
1315 | { | |
1316 | struct qed_ilt_client_cfg *p_cli; | |
1317 | struct qed_tid_seg *p_seg; | |
1318 | u32 cdu_seg_params, offset; | |
1319 | int i; | |
1320 | ||
1321 | static const u32 rt_type_offset_arr[] = { | |
1322 | CDU_REG_PF_SEG0_TYPE_OFFSET_RT_OFFSET, | |
1323 | CDU_REG_PF_SEG1_TYPE_OFFSET_RT_OFFSET, | |
1324 | CDU_REG_PF_SEG2_TYPE_OFFSET_RT_OFFSET, | |
1325 | CDU_REG_PF_SEG3_TYPE_OFFSET_RT_OFFSET | |
1326 | }; | |
1327 | ||
1328 | static const u32 rt_type_offset_fl_arr[] = { | |
1329 | CDU_REG_PF_FL_SEG0_TYPE_OFFSET_RT_OFFSET, | |
1330 | CDU_REG_PF_FL_SEG1_TYPE_OFFSET_RT_OFFSET, | |
1331 | CDU_REG_PF_FL_SEG2_TYPE_OFFSET_RT_OFFSET, | |
1332 | CDU_REG_PF_FL_SEG3_TYPE_OFFSET_RT_OFFSET | |
1333 | }; | |
1334 | ||
1335 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT]; | |
1336 | ||
1337 | /* There are initializations only for CDUT during pf Phase */ | |
1338 | for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) { | |
1339 | /* Segment 0 */ | |
1340 | p_seg = qed_cxt_tid_seg_info(p_hwfn, i); | |
1341 | if (!p_seg) | |
1342 | continue; | |
1343 | ||
1344 | /* Note: start_line is already adjusted for the CDU | |
1345 | * segment register granularity, so we just need to | |
1346 | * divide. Adjustment is implicit as we assume ILT | |
1347 | * Page size is larger than 32K! | |
1348 | */ | |
1349 | offset = (ILT_PAGE_IN_BYTES(p_cli->p_size.val) * | |
1350 | (p_cli->pf_blks[CDUT_SEG_BLK(i)].start_line - | |
1351 | p_cli->first.val)) / CDUT_SEG_ALIGNMET_IN_BYTES; | |
1352 | ||
1353 | cdu_seg_params = 0; | |
1354 | SET_FIELD(cdu_seg_params, CDU_SEG_REG_TYPE, p_seg->type); | |
1355 | SET_FIELD(cdu_seg_params, CDU_SEG_REG_OFFSET, offset); | |
1356 | STORE_RT_REG(p_hwfn, rt_type_offset_arr[i], cdu_seg_params); | |
1357 | ||
1358 | offset = (ILT_PAGE_IN_BYTES(p_cli->p_size.val) * | |
1359 | (p_cli->pf_blks[CDUT_FL_SEG_BLK(i, PF)].start_line - | |
1360 | p_cli->first.val)) / CDUT_SEG_ALIGNMET_IN_BYTES; | |
1361 | ||
1362 | cdu_seg_params = 0; | |
1363 | SET_FIELD(cdu_seg_params, CDU_SEG_REG_TYPE, p_seg->type); | |
1364 | SET_FIELD(cdu_seg_params, CDU_SEG_REG_OFFSET, offset); | |
1365 | STORE_RT_REG(p_hwfn, rt_type_offset_fl_arr[i], cdu_seg_params); | |
1366 | } | |
fe56b9e6 YM |
1367 | } |
1368 | ||
1369 | void qed_qm_init_pf(struct qed_hwfn *p_hwfn) | |
1370 | { | |
1371 | struct qed_qm_pf_rt_init_params params; | |
1372 | struct qed_qm_info *qm_info = &p_hwfn->qm_info; | |
1373 | struct qed_qm_iids iids; | |
1374 | ||
1375 | memset(&iids, 0, sizeof(iids)); | |
1376 | qed_cxt_qm_iids(p_hwfn, &iids); | |
1377 | ||
1378 | memset(¶ms, 0, sizeof(params)); | |
1379 | params.port_id = p_hwfn->port_id; | |
1380 | params.pf_id = p_hwfn->rel_pf_id; | |
1381 | params.max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port; | |
1382 | params.is_first_pf = p_hwfn->first_on_engine; | |
1383 | params.num_pf_cids = iids.cids; | |
1408cc1f | 1384 | params.num_vf_cids = iids.vf_cids; |
fe56b9e6 | 1385 | params.start_pq = qm_info->start_pq; |
1408cc1f YM |
1386 | params.num_pf_pqs = qm_info->num_pqs - qm_info->num_vf_pqs; |
1387 | params.num_vf_pqs = qm_info->num_vf_pqs; | |
fc48b7a6 YM |
1388 | params.start_vport = qm_info->start_vport; |
1389 | params.num_vports = qm_info->num_vports; | |
fe56b9e6 YM |
1390 | params.pf_wfq = qm_info->pf_wfq; |
1391 | params.pf_rl = qm_info->pf_rl; | |
1392 | params.pq_params = qm_info->qm_pq_params; | |
1393 | params.vport_params = qm_info->qm_vport_params; | |
1394 | ||
1395 | qed_qm_pf_rt_init(p_hwfn, p_hwfn->p_main_ptt, ¶ms); | |
1396 | } | |
1397 | ||
1398 | /* CM PF */ | |
b5a9ee7c | 1399 | void qed_cm_init_pf(struct qed_hwfn *p_hwfn) |
fe56b9e6 | 1400 | { |
fe56b9e6 | 1401 | /* XCM pure-LB queue */ |
b5a9ee7c AE |
1402 | STORE_RT_REG(p_hwfn, XCM_REG_CON_PHY_Q3_RT_OFFSET, |
1403 | qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LB)); | |
fe56b9e6 YM |
1404 | } |
1405 | ||
1406 | /* DQ PF */ | |
1407 | static void qed_dq_init_pf(struct qed_hwfn *p_hwfn) | |
1408 | { | |
1409 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1408cc1f | 1410 | u32 dq_pf_max_cid = 0, dq_vf_max_cid = 0; |
fe56b9e6 YM |
1411 | |
1412 | dq_pf_max_cid += (p_mngr->conn_cfg[0].cid_count >> DQ_RANGE_SHIFT); | |
1413 | STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_0_RT_OFFSET, dq_pf_max_cid); | |
1414 | ||
1408cc1f YM |
1415 | dq_vf_max_cid += (p_mngr->conn_cfg[0].cids_per_vf >> DQ_RANGE_SHIFT); |
1416 | STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_0_RT_OFFSET, dq_vf_max_cid); | |
1417 | ||
fe56b9e6 YM |
1418 | dq_pf_max_cid += (p_mngr->conn_cfg[1].cid_count >> DQ_RANGE_SHIFT); |
1419 | STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_1_RT_OFFSET, dq_pf_max_cid); | |
1420 | ||
1408cc1f YM |
1421 | dq_vf_max_cid += (p_mngr->conn_cfg[1].cids_per_vf >> DQ_RANGE_SHIFT); |
1422 | STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_1_RT_OFFSET, dq_vf_max_cid); | |
1423 | ||
fe56b9e6 YM |
1424 | dq_pf_max_cid += (p_mngr->conn_cfg[2].cid_count >> DQ_RANGE_SHIFT); |
1425 | STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_2_RT_OFFSET, dq_pf_max_cid); | |
1426 | ||
1408cc1f YM |
1427 | dq_vf_max_cid += (p_mngr->conn_cfg[2].cids_per_vf >> DQ_RANGE_SHIFT); |
1428 | STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_2_RT_OFFSET, dq_vf_max_cid); | |
1429 | ||
fe56b9e6 YM |
1430 | dq_pf_max_cid += (p_mngr->conn_cfg[3].cid_count >> DQ_RANGE_SHIFT); |
1431 | STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_3_RT_OFFSET, dq_pf_max_cid); | |
1432 | ||
1408cc1f YM |
1433 | dq_vf_max_cid += (p_mngr->conn_cfg[3].cids_per_vf >> DQ_RANGE_SHIFT); |
1434 | STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_3_RT_OFFSET, dq_vf_max_cid); | |
1435 | ||
fe56b9e6 YM |
1436 | dq_pf_max_cid += (p_mngr->conn_cfg[4].cid_count >> DQ_RANGE_SHIFT); |
1437 | STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_4_RT_OFFSET, dq_pf_max_cid); | |
1438 | ||
1408cc1f YM |
1439 | dq_vf_max_cid += (p_mngr->conn_cfg[4].cids_per_vf >> DQ_RANGE_SHIFT); |
1440 | STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_4_RT_OFFSET, dq_vf_max_cid); | |
1441 | ||
fe56b9e6 YM |
1442 | dq_pf_max_cid += (p_mngr->conn_cfg[5].cid_count >> DQ_RANGE_SHIFT); |
1443 | STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_5_RT_OFFSET, dq_pf_max_cid); | |
1408cc1f YM |
1444 | |
1445 | dq_vf_max_cid += (p_mngr->conn_cfg[5].cids_per_vf >> DQ_RANGE_SHIFT); | |
1446 | STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_5_RT_OFFSET, dq_vf_max_cid); | |
1447 | ||
1448 | /* Connection types 6 & 7 are not in use, yet they must be configured | |
1449 | * as the highest possible connection. Not configuring them means the | |
1450 | * defaults will be used, and with a large number of cids a bug may | |
1451 | * occur, if the defaults will be smaller than dq_pf_max_cid / | |
1452 | * dq_vf_max_cid. | |
1453 | */ | |
1454 | STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_6_RT_OFFSET, dq_pf_max_cid); | |
1455 | STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_6_RT_OFFSET, dq_vf_max_cid); | |
1456 | ||
1457 | STORE_RT_REG(p_hwfn, DORQ_REG_PF_MAX_ICID_7_RT_OFFSET, dq_pf_max_cid); | |
1458 | STORE_RT_REG(p_hwfn, DORQ_REG_VF_MAX_ICID_7_RT_OFFSET, dq_vf_max_cid); | |
fe56b9e6 YM |
1459 | } |
1460 | ||
1461 | static void qed_ilt_bounds_init(struct qed_hwfn *p_hwfn) | |
1462 | { | |
1463 | struct qed_ilt_client_cfg *ilt_clients; | |
1464 | int i; | |
1465 | ||
1466 | ilt_clients = p_hwfn->p_cxt_mngr->clients; | |
1467 | for_each_ilt_valid_client(i, ilt_clients) { | |
fe56b9e6 YM |
1468 | STORE_RT_REG(p_hwfn, |
1469 | ilt_clients[i].first.reg, | |
1470 | ilt_clients[i].first.val); | |
1471 | STORE_RT_REG(p_hwfn, | |
dbb799c3 | 1472 | ilt_clients[i].last.reg, ilt_clients[i].last.val); |
fe56b9e6 YM |
1473 | STORE_RT_REG(p_hwfn, |
1474 | ilt_clients[i].p_size.reg, | |
1475 | ilt_clients[i].p_size.val); | |
1476 | } | |
1477 | } | |
1478 | ||
1408cc1f YM |
1479 | static void qed_ilt_vf_bounds_init(struct qed_hwfn *p_hwfn) |
1480 | { | |
1481 | struct qed_ilt_client_cfg *p_cli; | |
1482 | u32 blk_factor; | |
1483 | ||
1484 | /* For simplicty we set the 'block' to be an ILT page */ | |
1485 | if (p_hwfn->cdev->p_iov_info) { | |
1486 | struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info; | |
1487 | ||
1488 | STORE_RT_REG(p_hwfn, | |
1489 | PSWRQ2_REG_VF_BASE_RT_OFFSET, | |
1490 | p_iov->first_vf_in_pf); | |
1491 | STORE_RT_REG(p_hwfn, | |
1492 | PSWRQ2_REG_VF_LAST_ILT_RT_OFFSET, | |
1493 | p_iov->first_vf_in_pf + p_iov->total_vfs); | |
1494 | } | |
1495 | ||
1496 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC]; | |
1497 | blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10); | |
1498 | if (p_cli->active) { | |
1499 | STORE_RT_REG(p_hwfn, | |
1500 | PSWRQ2_REG_CDUC_BLOCKS_FACTOR_RT_OFFSET, | |
1501 | blk_factor); | |
1502 | STORE_RT_REG(p_hwfn, | |
1503 | PSWRQ2_REG_CDUC_NUMBER_OF_PF_BLOCKS_RT_OFFSET, | |
1504 | p_cli->pf_total_lines); | |
1505 | STORE_RT_REG(p_hwfn, | |
1506 | PSWRQ2_REG_CDUC_VF_BLOCKS_RT_OFFSET, | |
1507 | p_cli->vf_total_lines); | |
1508 | } | |
dbb799c3 YM |
1509 | |
1510 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT]; | |
1511 | blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10); | |
1512 | if (p_cli->active) { | |
1513 | STORE_RT_REG(p_hwfn, | |
1514 | PSWRQ2_REG_CDUT_BLOCKS_FACTOR_RT_OFFSET, | |
1515 | blk_factor); | |
1516 | STORE_RT_REG(p_hwfn, | |
1517 | PSWRQ2_REG_CDUT_NUMBER_OF_PF_BLOCKS_RT_OFFSET, | |
1518 | p_cli->pf_total_lines); | |
1519 | STORE_RT_REG(p_hwfn, | |
1520 | PSWRQ2_REG_CDUT_VF_BLOCKS_RT_OFFSET, | |
1521 | p_cli->vf_total_lines); | |
1522 | } | |
1523 | ||
1524 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TM]; | |
1525 | blk_factor = ilog2(ILT_PAGE_IN_BYTES(p_cli->p_size.val) >> 10); | |
1526 | if (p_cli->active) { | |
1527 | STORE_RT_REG(p_hwfn, | |
1528 | PSWRQ2_REG_TM_BLOCKS_FACTOR_RT_OFFSET, blk_factor); | |
1529 | STORE_RT_REG(p_hwfn, | |
1530 | PSWRQ2_REG_TM_NUMBER_OF_PF_BLOCKS_RT_OFFSET, | |
1531 | p_cli->pf_total_lines); | |
1532 | STORE_RT_REG(p_hwfn, | |
1533 | PSWRQ2_REG_TM_VF_BLOCKS_RT_OFFSET, | |
1534 | p_cli->vf_total_lines); | |
1535 | } | |
1408cc1f YM |
1536 | } |
1537 | ||
fe56b9e6 YM |
1538 | /* ILT (PSWRQ2) PF */ |
1539 | static void qed_ilt_init_pf(struct qed_hwfn *p_hwfn) | |
1540 | { | |
1541 | struct qed_ilt_client_cfg *clients; | |
1542 | struct qed_cxt_mngr *p_mngr; | |
1543 | struct qed_dma_mem *p_shdw; | |
1544 | u32 line, rt_offst, i; | |
1545 | ||
1546 | qed_ilt_bounds_init(p_hwfn); | |
1408cc1f | 1547 | qed_ilt_vf_bounds_init(p_hwfn); |
fe56b9e6 YM |
1548 | |
1549 | p_mngr = p_hwfn->p_cxt_mngr; | |
1550 | p_shdw = p_mngr->ilt_shadow; | |
1551 | clients = p_hwfn->p_cxt_mngr->clients; | |
1552 | ||
1553 | for_each_ilt_valid_client(i, clients) { | |
fe56b9e6 YM |
1554 | /** Client's 1st val and RT array are absolute, ILT shadows' |
1555 | * lines are relative. | |
1556 | */ | |
1557 | line = clients[i].first.val - p_mngr->pf_start_line; | |
1558 | rt_offst = PSWRQ2_REG_ILT_MEMORY_RT_OFFSET + | |
1559 | clients[i].first.val * ILT_ENTRY_IN_REGS; | |
1560 | ||
1561 | for (; line <= clients[i].last.val - p_mngr->pf_start_line; | |
1562 | line++, rt_offst += ILT_ENTRY_IN_REGS) { | |
1563 | u64 ilt_hw_entry = 0; | |
1564 | ||
1565 | /** p_virt could be NULL incase of dynamic | |
1566 | * allocation | |
1567 | */ | |
1568 | if (p_shdw[line].p_virt) { | |
1569 | SET_FIELD(ilt_hw_entry, ILT_ENTRY_VALID, 1ULL); | |
1570 | SET_FIELD(ilt_hw_entry, ILT_ENTRY_PHY_ADDR, | |
1571 | (p_shdw[line].p_phys >> 12)); | |
1572 | ||
1573 | DP_VERBOSE(p_hwfn, QED_MSG_ILT, | |
1574 | "Setting RT[0x%08x] from ILT[0x%08x] [Client is %d] to Physical addr: 0x%llx\n", | |
1575 | rt_offst, line, i, | |
1576 | (u64)(p_shdw[line].p_phys >> 12)); | |
1577 | } | |
1578 | ||
1579 | STORE_RT_REG_AGG(p_hwfn, rt_offst, ilt_hw_entry); | |
1580 | } | |
1581 | } | |
1582 | } | |
1583 | ||
dbb799c3 YM |
1584 | /* SRC (Searcher) PF */ |
1585 | static void qed_src_init_pf(struct qed_hwfn *p_hwfn) | |
1586 | { | |
1587 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1588 | u32 rounded_conn_num, conn_num, conn_max; | |
1589 | struct qed_src_iids src_iids; | |
1590 | ||
1591 | memset(&src_iids, 0, sizeof(src_iids)); | |
1592 | qed_cxt_src_iids(p_mngr, &src_iids); | |
1593 | conn_num = src_iids.pf_cids + src_iids.per_vf_cids * p_mngr->vf_count; | |
1594 | if (!conn_num) | |
1595 | return; | |
1596 | ||
1597 | conn_max = max_t(u32, conn_num, SRC_MIN_NUM_ELEMS); | |
1598 | rounded_conn_num = roundup_pow_of_two(conn_max); | |
1599 | ||
1600 | STORE_RT_REG(p_hwfn, SRC_REG_COUNTFREE_RT_OFFSET, conn_num); | |
1601 | STORE_RT_REG(p_hwfn, SRC_REG_NUMBER_HASH_BITS_RT_OFFSET, | |
1602 | ilog2(rounded_conn_num)); | |
1603 | ||
1604 | STORE_RT_REG_AGG(p_hwfn, SRC_REG_FIRSTFREE_RT_OFFSET, | |
1605 | p_hwfn->p_cxt_mngr->first_free); | |
1606 | STORE_RT_REG_AGG(p_hwfn, SRC_REG_LASTFREE_RT_OFFSET, | |
1607 | p_hwfn->p_cxt_mngr->last_free); | |
1608 | } | |
1609 | ||
1610 | /* Timers PF */ | |
1611 | #define TM_CFG_NUM_IDS_SHIFT 0 | |
1612 | #define TM_CFG_NUM_IDS_MASK 0xFFFFULL | |
1613 | #define TM_CFG_PRE_SCAN_OFFSET_SHIFT 16 | |
1614 | #define TM_CFG_PRE_SCAN_OFFSET_MASK 0x1FFULL | |
1615 | #define TM_CFG_PARENT_PF_SHIFT 25 | |
1616 | #define TM_CFG_PARENT_PF_MASK 0x7ULL | |
1617 | ||
1618 | #define TM_CFG_CID_PRE_SCAN_ROWS_SHIFT 30 | |
1619 | #define TM_CFG_CID_PRE_SCAN_ROWS_MASK 0x1FFULL | |
1620 | ||
1621 | #define TM_CFG_TID_OFFSET_SHIFT 30 | |
1622 | #define TM_CFG_TID_OFFSET_MASK 0x7FFFFULL | |
1623 | #define TM_CFG_TID_PRE_SCAN_ROWS_SHIFT 49 | |
1624 | #define TM_CFG_TID_PRE_SCAN_ROWS_MASK 0x1FFULL | |
1625 | ||
1626 | static void qed_tm_init_pf(struct qed_hwfn *p_hwfn) | |
1627 | { | |
1628 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1629 | u32 active_seg_mask = 0, tm_offset, rt_reg; | |
1630 | struct qed_tm_iids tm_iids; | |
1631 | u64 cfg_word; | |
1632 | u8 i; | |
1633 | ||
1634 | memset(&tm_iids, 0, sizeof(tm_iids)); | |
1635 | qed_cxt_tm_iids(p_mngr, &tm_iids); | |
1636 | ||
1637 | /* @@@TBD No pre-scan for now */ | |
1638 | ||
1639 | /* Note: We assume consecutive VFs for a PF */ | |
1640 | for (i = 0; i < p_mngr->vf_count; i++) { | |
1641 | cfg_word = 0; | |
1642 | SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.per_vf_cids); | |
1643 | SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0); | |
1644 | SET_FIELD(cfg_word, TM_CFG_PARENT_PF, p_hwfn->rel_pf_id); | |
1645 | SET_FIELD(cfg_word, TM_CFG_CID_PRE_SCAN_ROWS, 0); | |
1646 | rt_reg = TM_REG_CONFIG_CONN_MEM_RT_OFFSET + | |
1647 | (sizeof(cfg_word) / sizeof(u32)) * | |
1648 | (p_hwfn->cdev->p_iov_info->first_vf_in_pf + i); | |
1649 | STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word); | |
1650 | } | |
1651 | ||
1652 | cfg_word = 0; | |
1653 | SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.pf_cids); | |
1654 | SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0); | |
1655 | SET_FIELD(cfg_word, TM_CFG_PARENT_PF, 0); /* n/a for PF */ | |
1656 | SET_FIELD(cfg_word, TM_CFG_CID_PRE_SCAN_ROWS, 0); /* scan all */ | |
1657 | ||
1658 | rt_reg = TM_REG_CONFIG_CONN_MEM_RT_OFFSET + | |
1659 | (sizeof(cfg_word) / sizeof(u32)) * | |
1660 | (NUM_OF_VFS(p_hwfn->cdev) + p_hwfn->rel_pf_id); | |
1661 | STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word); | |
1662 | ||
1663 | /* enale scan */ | |
1664 | STORE_RT_REG(p_hwfn, TM_REG_PF_ENABLE_CONN_RT_OFFSET, | |
1665 | tm_iids.pf_cids ? 0x1 : 0x0); | |
1666 | ||
1667 | /* @@@TBD how to enable the scan for the VFs */ | |
1668 | ||
1669 | tm_offset = tm_iids.per_vf_cids; | |
1670 | ||
1671 | /* Note: We assume consecutive VFs for a PF */ | |
1672 | for (i = 0; i < p_mngr->vf_count; i++) { | |
1673 | cfg_word = 0; | |
1674 | SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.per_vf_tids); | |
1675 | SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0); | |
1676 | SET_FIELD(cfg_word, TM_CFG_PARENT_PF, p_hwfn->rel_pf_id); | |
1677 | SET_FIELD(cfg_word, TM_CFG_TID_OFFSET, tm_offset); | |
1678 | SET_FIELD(cfg_word, TM_CFG_TID_PRE_SCAN_ROWS, (u64) 0); | |
1679 | ||
1680 | rt_reg = TM_REG_CONFIG_TASK_MEM_RT_OFFSET + | |
1681 | (sizeof(cfg_word) / sizeof(u32)) * | |
1682 | (p_hwfn->cdev->p_iov_info->first_vf_in_pf + i); | |
1683 | ||
1684 | STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word); | |
1685 | } | |
1686 | ||
1687 | tm_offset = tm_iids.pf_cids; | |
1688 | for (i = 0; i < NUM_TASK_PF_SEGMENTS; i++) { | |
1689 | cfg_word = 0; | |
1690 | SET_FIELD(cfg_word, TM_CFG_NUM_IDS, tm_iids.pf_tids[i]); | |
1691 | SET_FIELD(cfg_word, TM_CFG_PRE_SCAN_OFFSET, 0); | |
1692 | SET_FIELD(cfg_word, TM_CFG_PARENT_PF, 0); | |
1693 | SET_FIELD(cfg_word, TM_CFG_TID_OFFSET, tm_offset); | |
1694 | SET_FIELD(cfg_word, TM_CFG_TID_PRE_SCAN_ROWS, (u64) 0); | |
1695 | ||
1696 | rt_reg = TM_REG_CONFIG_TASK_MEM_RT_OFFSET + | |
1697 | (sizeof(cfg_word) / sizeof(u32)) * | |
1698 | (NUM_OF_VFS(p_hwfn->cdev) + | |
1699 | p_hwfn->rel_pf_id * NUM_TASK_PF_SEGMENTS + i); | |
1700 | ||
1701 | STORE_RT_REG_AGG(p_hwfn, rt_reg, cfg_word); | |
1a635e48 | 1702 | active_seg_mask |= (tm_iids.pf_tids[i] ? BIT(i) : 0); |
dbb799c3 YM |
1703 | |
1704 | tm_offset += tm_iids.pf_tids[i]; | |
1705 | } | |
1706 | ||
1707 | if (p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE) | |
1708 | active_seg_mask = 0; | |
1709 | ||
1710 | STORE_RT_REG(p_hwfn, TM_REG_PF_ENABLE_TASK_RT_OFFSET, active_seg_mask); | |
1711 | ||
1712 | /* @@@TBD how to enable the scan for the VFs */ | |
1713 | } | |
1714 | ||
1e128c81 AE |
1715 | static void qed_prs_init_common(struct qed_hwfn *p_hwfn) |
1716 | { | |
1717 | if ((p_hwfn->hw_info.personality == QED_PCI_FCOE) && | |
1718 | p_hwfn->pf_params.fcoe_pf_params.is_target) | |
1719 | STORE_RT_REG(p_hwfn, | |
1720 | PRS_REG_SEARCH_RESP_INITIATOR_TYPE_RT_OFFSET, 0); | |
1721 | } | |
1722 | ||
1723 | static void qed_prs_init_pf(struct qed_hwfn *p_hwfn) | |
1724 | { | |
1725 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1726 | struct qed_conn_type_cfg *p_fcoe; | |
1727 | struct qed_tid_seg *p_tid; | |
1728 | ||
1729 | p_fcoe = &p_mngr->conn_cfg[PROTOCOLID_FCOE]; | |
1730 | ||
1731 | /* If FCoE is active set the MAX OX_ID (tid) in the Parser */ | |
1732 | if (!p_fcoe->cid_count) | |
1733 | return; | |
1734 | ||
1735 | p_tid = &p_fcoe->tid_seg[QED_CXT_FCOE_TID_SEG]; | |
1736 | if (p_hwfn->pf_params.fcoe_pf_params.is_target) { | |
1737 | STORE_RT_REG_AGG(p_hwfn, | |
1738 | PRS_REG_TASK_ID_MAX_TARGET_PF_RT_OFFSET, | |
1739 | p_tid->count); | |
1740 | } else { | |
1741 | STORE_RT_REG_AGG(p_hwfn, | |
1742 | PRS_REG_TASK_ID_MAX_INITIATOR_PF_RT_OFFSET, | |
1743 | p_tid->count); | |
1744 | } | |
1745 | } | |
1746 | ||
fe56b9e6 YM |
1747 | void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn) |
1748 | { | |
1749 | qed_cdu_init_common(p_hwfn); | |
1e128c81 | 1750 | qed_prs_init_common(p_hwfn); |
fe56b9e6 YM |
1751 | } |
1752 | ||
1753 | void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn) | |
1754 | { | |
1755 | qed_qm_init_pf(p_hwfn); | |
1756 | qed_cm_init_pf(p_hwfn); | |
1757 | qed_dq_init_pf(p_hwfn); | |
dbb799c3 | 1758 | qed_cdu_init_pf(p_hwfn); |
fe56b9e6 | 1759 | qed_ilt_init_pf(p_hwfn); |
dbb799c3 YM |
1760 | qed_src_init_pf(p_hwfn); |
1761 | qed_tm_init_pf(p_hwfn); | |
1e128c81 | 1762 | qed_prs_init_pf(p_hwfn); |
fe56b9e6 YM |
1763 | } |
1764 | ||
1765 | int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, | |
1a635e48 | 1766 | enum protocol_type type, u32 *p_cid) |
fe56b9e6 YM |
1767 | { |
1768 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1769 | u32 rel_cid; | |
1770 | ||
1771 | if (type >= MAX_CONN_TYPES || !p_mngr->acquired[type].cid_map) { | |
1772 | DP_NOTICE(p_hwfn, "Invalid protocol type %d", type); | |
1773 | return -EINVAL; | |
1774 | } | |
1775 | ||
1776 | rel_cid = find_first_zero_bit(p_mngr->acquired[type].cid_map, | |
1777 | p_mngr->acquired[type].max_count); | |
1778 | ||
1779 | if (rel_cid >= p_mngr->acquired[type].max_count) { | |
1a635e48 | 1780 | DP_NOTICE(p_hwfn, "no CID available for protocol %d\n", type); |
fe56b9e6 YM |
1781 | return -EINVAL; |
1782 | } | |
1783 | ||
1784 | __set_bit(rel_cid, p_mngr->acquired[type].cid_map); | |
1785 | ||
1786 | *p_cid = rel_cid + p_mngr->acquired[type].start_cid; | |
1787 | ||
1788 | return 0; | |
1789 | } | |
1790 | ||
1791 | static bool qed_cxt_test_cid_acquired(struct qed_hwfn *p_hwfn, | |
1a635e48 | 1792 | u32 cid, enum protocol_type *p_type) |
fe56b9e6 YM |
1793 | { |
1794 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1795 | struct qed_cid_acquired_map *p_map; | |
1796 | enum protocol_type p; | |
1797 | u32 rel_cid; | |
1798 | ||
1799 | /* Iterate over protocols and find matching cid range */ | |
1800 | for (p = 0; p < MAX_CONN_TYPES; p++) { | |
1801 | p_map = &p_mngr->acquired[p]; | |
1802 | ||
1803 | if (!p_map->cid_map) | |
1804 | continue; | |
1805 | if (cid >= p_map->start_cid && | |
1806 | cid < p_map->start_cid + p_map->max_count) | |
1807 | break; | |
1808 | } | |
1809 | *p_type = p; | |
1810 | ||
1811 | if (p == MAX_CONN_TYPES) { | |
1812 | DP_NOTICE(p_hwfn, "Invalid CID %d", cid); | |
1813 | return false; | |
1814 | } | |
1815 | ||
1816 | rel_cid = cid - p_map->start_cid; | |
1817 | if (!test_bit(rel_cid, p_map->cid_map)) { | |
1818 | DP_NOTICE(p_hwfn, "CID %d not acquired", cid); | |
1819 | return false; | |
1820 | } | |
1821 | return true; | |
1822 | } | |
1823 | ||
1a635e48 | 1824 | void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid) |
fe56b9e6 YM |
1825 | { |
1826 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1827 | enum protocol_type type; | |
1828 | bool b_acquired; | |
1829 | u32 rel_cid; | |
1830 | ||
1831 | /* Test acquired and find matching per-protocol map */ | |
1832 | b_acquired = qed_cxt_test_cid_acquired(p_hwfn, cid, &type); | |
1833 | ||
1834 | if (!b_acquired) | |
1835 | return; | |
1836 | ||
1837 | rel_cid = cid - p_mngr->acquired[type].start_cid; | |
1838 | __clear_bit(rel_cid, p_mngr->acquired[type].cid_map); | |
1839 | } | |
1840 | ||
1a635e48 | 1841 | int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, struct qed_cxt_info *p_info) |
fe56b9e6 YM |
1842 | { |
1843 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1844 | u32 conn_cxt_size, hw_p_size, cxts_per_p, line; | |
1845 | enum protocol_type type; | |
1846 | bool b_acquired; | |
1847 | ||
1848 | /* Test acquired and find matching per-protocol map */ | |
1849 | b_acquired = qed_cxt_test_cid_acquired(p_hwfn, p_info->iid, &type); | |
1850 | ||
1851 | if (!b_acquired) | |
1852 | return -EINVAL; | |
1853 | ||
1854 | /* set the protocl type */ | |
1855 | p_info->type = type; | |
1856 | ||
1857 | /* compute context virtual pointer */ | |
1858 | hw_p_size = p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC].p_size.val; | |
1859 | ||
1860 | conn_cxt_size = CONN_CXT_SIZE(p_hwfn); | |
1861 | cxts_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / conn_cxt_size; | |
1862 | line = p_info->iid / cxts_per_p; | |
1863 | ||
1864 | /* Make sure context is allocated (dynamic allocation) */ | |
1865 | if (!p_mngr->ilt_shadow[line].p_virt) | |
1866 | return -EINVAL; | |
1867 | ||
1868 | p_info->p_cxt = p_mngr->ilt_shadow[line].p_virt + | |
1869 | p_info->iid % cxts_per_p * conn_cxt_size; | |
1870 | ||
1871 | DP_VERBOSE(p_hwfn, (QED_MSG_ILT | QED_MSG_CXT), | |
1872 | "Accessing ILT shadow[%d]: CXT pointer is at %p (for iid %d)\n", | |
1873 | p_info->iid / cxts_per_p, p_info->p_cxt, p_info->iid); | |
1874 | ||
1875 | return 0; | |
1876 | } | |
1877 | ||
8c93beaf YM |
1878 | static void qed_rdma_set_pf_params(struct qed_hwfn *p_hwfn, |
1879 | struct qed_rdma_pf_params *p_params) | |
fe56b9e6 | 1880 | { |
dbb799c3 YM |
1881 | u32 num_cons, num_tasks, num_qps, num_mrs, num_srqs; |
1882 | enum protocol_type proto; | |
1883 | ||
1884 | num_mrs = min_t(u32, RDMA_MAX_TIDS, p_params->num_mrs); | |
1885 | num_tasks = num_mrs; /* each mr uses a single task id */ | |
1886 | num_srqs = min_t(u32, 32 * 1024, p_params->num_srqs); | |
1887 | ||
1888 | switch (p_hwfn->hw_info.personality) { | |
1889 | case QED_PCI_ETH_ROCE: | |
1890 | num_qps = min_t(u32, ROCE_MAX_QPS, p_params->num_qps); | |
1891 | num_cons = num_qps * 2; /* each QP requires two connections */ | |
1892 | proto = PROTOCOLID_ROCE; | |
1893 | break; | |
1894 | default: | |
1895 | return; | |
1896 | } | |
1897 | ||
1898 | if (num_cons && num_tasks) { | |
1899 | qed_cxt_set_proto_cid_count(p_hwfn, proto, num_cons, 0); | |
1900 | ||
1901 | /* Deliberatly passing ROCE for tasks id. This is because | |
1902 | * iWARP / RoCE share the task id. | |
1903 | */ | |
1904 | qed_cxt_set_proto_tid_count(p_hwfn, PROTOCOLID_ROCE, | |
1905 | QED_CXT_ROCE_TID_SEG, 1, | |
1906 | num_tasks, false); | |
1907 | qed_cxt_set_srq_count(p_hwfn, num_srqs); | |
1908 | } else { | |
1909 | DP_INFO(p_hwfn->cdev, | |
1910 | "RDMA personality used without setting params!\n"); | |
1911 | } | |
1912 | } | |
fe56b9e6 | 1913 | |
dbb799c3 YM |
1914 | int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn) |
1915 | { | |
fe56b9e6 YM |
1916 | /* Set the number of required CORE connections */ |
1917 | u32 core_cids = 1; /* SPQ */ | |
1918 | ||
0a7fb11c YM |
1919 | if (p_hwfn->using_ll2) |
1920 | core_cids += 4; | |
1408cc1f | 1921 | qed_cxt_set_proto_cid_count(p_hwfn, PROTOCOLID_CORE, core_cids, 0); |
fe56b9e6 | 1922 | |
dbb799c3 YM |
1923 | switch (p_hwfn->hw_info.personality) { |
1924 | case QED_PCI_ETH_ROCE: | |
1925 | { | |
1926 | qed_rdma_set_pf_params(p_hwfn, | |
1927 | &p_hwfn-> | |
1928 | pf_params.rdma_pf_params); | |
1929 | /* no need for break since RoCE coexist with Ethernet */ | |
1930 | } | |
1931 | case QED_PCI_ETH: | |
1932 | { | |
1933 | struct qed_eth_pf_params *p_params = | |
1934 | &p_hwfn->pf_params.eth_pf_params; | |
1935 | ||
1936 | qed_cxt_set_proto_cid_count(p_hwfn, PROTOCOLID_ETH, | |
1937 | p_params->num_cons, 1); | |
1938 | break; | |
1939 | } | |
1e128c81 AE |
1940 | case QED_PCI_FCOE: |
1941 | { | |
1942 | struct qed_fcoe_pf_params *p_params; | |
1943 | ||
1944 | p_params = &p_hwfn->pf_params.fcoe_pf_params; | |
1945 | ||
1946 | if (p_params->num_cons && p_params->num_tasks) { | |
1947 | qed_cxt_set_proto_cid_count(p_hwfn, | |
1948 | PROTOCOLID_FCOE, | |
1949 | p_params->num_cons, | |
1950 | 0); | |
1951 | ||
1952 | qed_cxt_set_proto_tid_count(p_hwfn, PROTOCOLID_FCOE, | |
1953 | QED_CXT_FCOE_TID_SEG, 0, | |
1954 | p_params->num_tasks, true); | |
1955 | } else { | |
1956 | DP_INFO(p_hwfn->cdev, | |
1957 | "Fcoe personality used without setting params!\n"); | |
1958 | } | |
1959 | break; | |
1960 | } | |
dbb799c3 YM |
1961 | case QED_PCI_ISCSI: |
1962 | { | |
1963 | struct qed_iscsi_pf_params *p_params; | |
1964 | ||
1965 | p_params = &p_hwfn->pf_params.iscsi_pf_params; | |
1966 | ||
1967 | if (p_params->num_cons && p_params->num_tasks) { | |
1968 | qed_cxt_set_proto_cid_count(p_hwfn, | |
1969 | PROTOCOLID_ISCSI, | |
1970 | p_params->num_cons, | |
1971 | 0); | |
1972 | ||
1973 | qed_cxt_set_proto_tid_count(p_hwfn, | |
1974 | PROTOCOLID_ISCSI, | |
1975 | QED_CXT_ISCSI_TID_SEG, | |
1976 | 0, | |
1977 | p_params->num_tasks, | |
1978 | true); | |
1979 | } else { | |
1980 | DP_INFO(p_hwfn->cdev, | |
1981 | "Iscsi personality used without setting params!\n"); | |
1982 | } | |
1983 | break; | |
1984 | } | |
1985 | default: | |
1986 | return -EINVAL; | |
1987 | } | |
1988 | ||
1989 | return 0; | |
1990 | } | |
1991 | ||
1992 | int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn, | |
1993 | struct qed_tid_mem *p_info) | |
1994 | { | |
1995 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
1996 | u32 proto, seg, total_lines, i, shadow_line; | |
1997 | struct qed_ilt_client_cfg *p_cli; | |
1998 | struct qed_ilt_cli_blk *p_fl_seg; | |
1999 | struct qed_tid_seg *p_seg_info; | |
2000 | ||
2001 | /* Verify the personality */ | |
2002 | switch (p_hwfn->hw_info.personality) { | |
1e128c81 AE |
2003 | case QED_PCI_FCOE: |
2004 | proto = PROTOCOLID_FCOE; | |
2005 | seg = QED_CXT_FCOE_TID_SEG; | |
2006 | break; | |
dbb799c3 YM |
2007 | case QED_PCI_ISCSI: |
2008 | proto = PROTOCOLID_ISCSI; | |
2009 | seg = QED_CXT_ISCSI_TID_SEG; | |
2010 | break; | |
2011 | default: | |
2012 | return -EINVAL; | |
2013 | } | |
2014 | ||
2015 | p_cli = &p_mngr->clients[ILT_CLI_CDUT]; | |
2016 | if (!p_cli->active) | |
2017 | return -EINVAL; | |
2018 | ||
2019 | p_seg_info = &p_mngr->conn_cfg[proto].tid_seg[seg]; | |
2020 | if (!p_seg_info->has_fl_mem) | |
2021 | return -EINVAL; | |
2022 | ||
2023 | p_fl_seg = &p_cli->pf_blks[CDUT_FL_SEG_BLK(seg, PF)]; | |
2024 | total_lines = DIV_ROUND_UP(p_fl_seg->total_size, | |
2025 | p_fl_seg->real_size_in_page); | |
2026 | ||
2027 | for (i = 0; i < total_lines; i++) { | |
2028 | shadow_line = i + p_fl_seg->start_line - | |
2029 | p_hwfn->p_cxt_mngr->pf_start_line; | |
2030 | p_info->blocks[i] = p_mngr->ilt_shadow[shadow_line].p_virt; | |
2031 | } | |
2032 | p_info->waste = ILT_PAGE_IN_BYTES(p_cli->p_size.val) - | |
2033 | p_fl_seg->real_size_in_page; | |
2034 | p_info->tid_size = p_mngr->task_type_size[p_seg_info->type]; | |
2035 | p_info->num_tids_per_block = p_fl_seg->real_size_in_page / | |
2036 | p_info->tid_size; | |
2037 | ||
2038 | return 0; | |
2039 | } | |
2040 | ||
2041 | /* This function is very RoCE oriented, if another protocol in the future | |
2042 | * will want this feature we'll need to modify the function to be more generic | |
2043 | */ | |
2044 | int | |
2045 | qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn, | |
2046 | enum qed_cxt_elem_type elem_type, u32 iid) | |
2047 | { | |
2048 | u32 reg_offset, shadow_line, elem_size, hw_p_size, elems_per_p, line; | |
2049 | struct qed_ilt_client_cfg *p_cli; | |
2050 | struct qed_ilt_cli_blk *p_blk; | |
2051 | struct qed_ptt *p_ptt; | |
2052 | dma_addr_t p_phys; | |
2053 | u64 ilt_hw_entry; | |
2054 | void *p_virt; | |
2055 | int rc = 0; | |
2056 | ||
2057 | switch (elem_type) { | |
2058 | case QED_ELEM_CXT: | |
2059 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC]; | |
2060 | elem_size = CONN_CXT_SIZE(p_hwfn); | |
2061 | p_blk = &p_cli->pf_blks[CDUC_BLK]; | |
2062 | break; | |
2063 | case QED_ELEM_SRQ: | |
2064 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM]; | |
2065 | elem_size = SRQ_CXT_SIZE; | |
2066 | p_blk = &p_cli->pf_blks[SRQ_BLK]; | |
2067 | break; | |
2068 | case QED_ELEM_TASK: | |
2069 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT]; | |
2070 | elem_size = TYPE1_TASK_CXT_SIZE(p_hwfn); | |
2071 | p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(QED_CXT_ROCE_TID_SEG)]; | |
2072 | break; | |
2073 | default: | |
2074 | DP_NOTICE(p_hwfn, "-EINVALID elem type = %d", elem_type); | |
2075 | return -EINVAL; | |
2076 | } | |
2077 | ||
2078 | /* Calculate line in ilt */ | |
2079 | hw_p_size = p_cli->p_size.val; | |
2080 | elems_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / elem_size; | |
2081 | line = p_blk->start_line + (iid / elems_per_p); | |
2082 | shadow_line = line - p_hwfn->p_cxt_mngr->pf_start_line; | |
2083 | ||
2084 | /* If line is already allocated, do nothing, otherwise allocate it and | |
2085 | * write it to the PSWRQ2 registers. | |
2086 | * This section can be run in parallel from different contexts and thus | |
2087 | * a mutex protection is needed. | |
2088 | */ | |
2089 | ||
2090 | mutex_lock(&p_hwfn->p_cxt_mngr->mutex); | |
2091 | ||
2092 | if (p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].p_virt) | |
2093 | goto out0; | |
2094 | ||
2095 | p_ptt = qed_ptt_acquire(p_hwfn); | |
2096 | if (!p_ptt) { | |
2097 | DP_NOTICE(p_hwfn, | |
2098 | "QED_TIME_OUT on ptt acquire - dynamic allocation"); | |
2099 | rc = -EBUSY; | |
2100 | goto out0; | |
2101 | } | |
2102 | ||
2103 | p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, | |
2104 | p_blk->real_size_in_page, | |
2105 | &p_phys, GFP_KERNEL); | |
2106 | if (!p_virt) { | |
2107 | rc = -ENOMEM; | |
2108 | goto out1; | |
2109 | } | |
2110 | memset(p_virt, 0, p_blk->real_size_in_page); | |
2111 | ||
2112 | /* configuration of refTagMask to 0xF is required for RoCE DIF MR only, | |
2113 | * to compensate for a HW bug, but it is configured even if DIF is not | |
2114 | * enabled. This is harmless and allows us to avoid a dedicated API. We | |
2115 | * configure the field for all of the contexts on the newly allocated | |
2116 | * page. | |
2117 | */ | |
2118 | if (elem_type == QED_ELEM_TASK) { | |
2119 | u32 elem_i; | |
2120 | u8 *elem_start = (u8 *)p_virt; | |
2121 | union type1_task_context *elem; | |
2122 | ||
2123 | for (elem_i = 0; elem_i < elems_per_p; elem_i++) { | |
2124 | elem = (union type1_task_context *)elem_start; | |
2125 | SET_FIELD(elem->roce_ctx.tdif_context.flags1, | |
2126 | TDIF_TASK_CONTEXT_REFTAGMASK, 0xf); | |
2127 | elem_start += TYPE1_TASK_CXT_SIZE(p_hwfn); | |
2128 | } | |
2129 | } | |
2130 | ||
2131 | p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].p_virt = p_virt; | |
2132 | p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].p_phys = p_phys; | |
2133 | p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].size = | |
2134 | p_blk->real_size_in_page; | |
2135 | ||
2136 | /* compute absolute offset */ | |
2137 | reg_offset = PSWRQ2_REG_ILT_MEMORY + | |
2138 | (line * ILT_REG_SIZE_IN_BYTES * ILT_ENTRY_IN_REGS); | |
2139 | ||
2140 | ilt_hw_entry = 0; | |
2141 | SET_FIELD(ilt_hw_entry, ILT_ENTRY_VALID, 1ULL); | |
2142 | SET_FIELD(ilt_hw_entry, | |
2143 | ILT_ENTRY_PHY_ADDR, | |
2144 | (p_hwfn->p_cxt_mngr->ilt_shadow[shadow_line].p_phys >> 12)); | |
2145 | ||
2146 | /* Write via DMAE since the PSWRQ2_REG_ILT_MEMORY line is a wide-bus */ | |
2147 | qed_dmae_host2grc(p_hwfn, p_ptt, (u64) (uintptr_t)&ilt_hw_entry, | |
2148 | reg_offset, sizeof(ilt_hw_entry) / sizeof(u32), 0); | |
2149 | ||
2150 | if (elem_type == QED_ELEM_CXT) { | |
2151 | u32 last_cid_allocated = (1 + (iid / elems_per_p)) * | |
2152 | elems_per_p; | |
2153 | ||
2154 | /* Update the relevant register in the parser */ | |
2155 | qed_wr(p_hwfn, p_ptt, PRS_REG_ROCE_DEST_QP_MAX_PF, | |
2156 | last_cid_allocated - 1); | |
2157 | ||
2158 | if (!p_hwfn->b_rdma_enabled_in_prs) { | |
2159 | /* Enable RoCE search */ | |
2160 | qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 1); | |
2161 | p_hwfn->b_rdma_enabled_in_prs = true; | |
2162 | } | |
2163 | } | |
2164 | ||
2165 | out1: | |
2166 | qed_ptt_release(p_hwfn, p_ptt); | |
2167 | out0: | |
2168 | mutex_unlock(&p_hwfn->p_cxt_mngr->mutex); | |
2169 | ||
2170 | return rc; | |
2171 | } | |
2172 | ||
2173 | /* This function is very RoCE oriented, if another protocol in the future | |
2174 | * will want this feature we'll need to modify the function to be more generic | |
2175 | */ | |
2176 | static int | |
2177 | qed_cxt_free_ilt_range(struct qed_hwfn *p_hwfn, | |
2178 | enum qed_cxt_elem_type elem_type, | |
2179 | u32 start_iid, u32 count) | |
2180 | { | |
2181 | u32 start_line, end_line, shadow_start_line, shadow_end_line; | |
2182 | u32 reg_offset, elem_size, hw_p_size, elems_per_p; | |
2183 | struct qed_ilt_client_cfg *p_cli; | |
2184 | struct qed_ilt_cli_blk *p_blk; | |
2185 | u32 end_iid = start_iid + count; | |
2186 | struct qed_ptt *p_ptt; | |
2187 | u64 ilt_hw_entry = 0; | |
2188 | u32 i; | |
2189 | ||
2190 | switch (elem_type) { | |
2191 | case QED_ELEM_CXT: | |
2192 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUC]; | |
2193 | elem_size = CONN_CXT_SIZE(p_hwfn); | |
2194 | p_blk = &p_cli->pf_blks[CDUC_BLK]; | |
2195 | break; | |
2196 | case QED_ELEM_SRQ: | |
2197 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM]; | |
2198 | elem_size = SRQ_CXT_SIZE; | |
2199 | p_blk = &p_cli->pf_blks[SRQ_BLK]; | |
2200 | break; | |
2201 | case QED_ELEM_TASK: | |
2202 | p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT]; | |
2203 | elem_size = TYPE1_TASK_CXT_SIZE(p_hwfn); | |
2204 | p_blk = &p_cli->pf_blks[CDUT_SEG_BLK(QED_CXT_ROCE_TID_SEG)]; | |
2205 | break; | |
2206 | default: | |
2207 | DP_NOTICE(p_hwfn, "-EINVALID elem type = %d", elem_type); | |
2208 | return -EINVAL; | |
2209 | } | |
2210 | ||
2211 | /* Calculate line in ilt */ | |
2212 | hw_p_size = p_cli->p_size.val; | |
2213 | elems_per_p = ILT_PAGE_IN_BYTES(hw_p_size) / elem_size; | |
2214 | start_line = p_blk->start_line + (start_iid / elems_per_p); | |
2215 | end_line = p_blk->start_line + (end_iid / elems_per_p); | |
2216 | if (((end_iid + 1) / elems_per_p) != (end_iid / elems_per_p)) | |
2217 | end_line--; | |
2218 | ||
2219 | shadow_start_line = start_line - p_hwfn->p_cxt_mngr->pf_start_line; | |
2220 | shadow_end_line = end_line - p_hwfn->p_cxt_mngr->pf_start_line; | |
2221 | ||
2222 | p_ptt = qed_ptt_acquire(p_hwfn); | |
2223 | if (!p_ptt) { | |
2224 | DP_NOTICE(p_hwfn, | |
2225 | "QED_TIME_OUT on ptt acquire - dynamic allocation"); | |
2226 | return -EBUSY; | |
2227 | } | |
2228 | ||
2229 | for (i = shadow_start_line; i < shadow_end_line; i++) { | |
2230 | if (!p_hwfn->p_cxt_mngr->ilt_shadow[i].p_virt) | |
2231 | continue; | |
2232 | ||
2233 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
2234 | p_hwfn->p_cxt_mngr->ilt_shadow[i].size, | |
2235 | p_hwfn->p_cxt_mngr->ilt_shadow[i].p_virt, | |
2236 | p_hwfn->p_cxt_mngr->ilt_shadow[i].p_phys); | |
2237 | ||
2238 | p_hwfn->p_cxt_mngr->ilt_shadow[i].p_virt = NULL; | |
2239 | p_hwfn->p_cxt_mngr->ilt_shadow[i].p_phys = 0; | |
2240 | p_hwfn->p_cxt_mngr->ilt_shadow[i].size = 0; | |
2241 | ||
2242 | /* compute absolute offset */ | |
2243 | reg_offset = PSWRQ2_REG_ILT_MEMORY + | |
2244 | ((start_line++) * ILT_REG_SIZE_IN_BYTES * | |
2245 | ILT_ENTRY_IN_REGS); | |
2246 | ||
2247 | /* Write via DMAE since the PSWRQ2_REG_ILT_MEMORY line is a | |
2248 | * wide-bus. | |
2249 | */ | |
2250 | qed_dmae_host2grc(p_hwfn, p_ptt, | |
2251 | (u64) (uintptr_t) &ilt_hw_entry, | |
2252 | reg_offset, | |
2253 | sizeof(ilt_hw_entry) / sizeof(u32), | |
2254 | 0); | |
2255 | } | |
2256 | ||
2257 | qed_ptt_release(p_hwfn, p_ptt); | |
2258 | ||
2259 | return 0; | |
2260 | } | |
2261 | ||
2262 | int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto) | |
2263 | { | |
2264 | int rc; | |
2265 | u32 cid; | |
2266 | ||
2267 | /* Free Connection CXT */ | |
2268 | rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_CXT, | |
2269 | qed_cxt_get_proto_cid_start(p_hwfn, | |
2270 | proto), | |
2271 | qed_cxt_get_proto_cid_count(p_hwfn, | |
2272 | proto, &cid)); | |
2273 | ||
2274 | if (rc) | |
2275 | return rc; | |
2276 | ||
2277 | /* Free Task CXT */ | |
2278 | rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_TASK, 0, | |
2279 | qed_cxt_get_proto_tid_count(p_hwfn, proto)); | |
2280 | if (rc) | |
2281 | return rc; | |
2282 | ||
2283 | /* Free TSDM CXT */ | |
2284 | rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_SRQ, 0, | |
2285 | qed_cxt_get_srq_count(p_hwfn)); | |
2286 | ||
2287 | return rc; | |
2288 | } | |
2289 | ||
2290 | int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn, | |
2291 | u32 tid, u8 ctx_type, void **pp_task_ctx) | |
2292 | { | |
2293 | struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; | |
2294 | struct qed_ilt_client_cfg *p_cli; | |
dbb799c3 | 2295 | struct qed_tid_seg *p_seg_info; |
1e128c81 | 2296 | struct qed_ilt_cli_blk *p_seg; |
dbb799c3 | 2297 | u32 num_tids_per_block; |
1e128c81 AE |
2298 | u32 tid_size, ilt_idx; |
2299 | u32 total_lines; | |
2300 | u32 proto, seg; | |
dbb799c3 YM |
2301 | |
2302 | /* Verify the personality */ | |
2303 | switch (p_hwfn->hw_info.personality) { | |
1e128c81 AE |
2304 | case QED_PCI_FCOE: |
2305 | proto = PROTOCOLID_FCOE; | |
2306 | seg = QED_CXT_FCOE_TID_SEG; | |
2307 | break; | |
dbb799c3 YM |
2308 | case QED_PCI_ISCSI: |
2309 | proto = PROTOCOLID_ISCSI; | |
2310 | seg = QED_CXT_ISCSI_TID_SEG; | |
2311 | break; | |
2312 | default: | |
2313 | return -EINVAL; | |
2314 | } | |
2315 | ||
2316 | p_cli = &p_mngr->clients[ILT_CLI_CDUT]; | |
2317 | if (!p_cli->active) | |
2318 | return -EINVAL; | |
2319 | ||
2320 | p_seg_info = &p_mngr->conn_cfg[proto].tid_seg[seg]; | |
2321 | ||
2322 | if (ctx_type == QED_CTX_WORKING_MEM) { | |
2323 | p_seg = &p_cli->pf_blks[CDUT_SEG_BLK(seg)]; | |
2324 | } else if (ctx_type == QED_CTX_FL_MEM) { | |
2325 | if (!p_seg_info->has_fl_mem) | |
2326 | return -EINVAL; | |
2327 | p_seg = &p_cli->pf_blks[CDUT_FL_SEG_BLK(seg, PF)]; | |
2328 | } else { | |
2329 | return -EINVAL; | |
2330 | } | |
2331 | total_lines = DIV_ROUND_UP(p_seg->total_size, p_seg->real_size_in_page); | |
2332 | tid_size = p_mngr->task_type_size[p_seg_info->type]; | |
2333 | num_tids_per_block = p_seg->real_size_in_page / tid_size; | |
2334 | ||
2335 | if (total_lines < tid / num_tids_per_block) | |
2336 | return -EINVAL; | |
2337 | ||
2338 | ilt_idx = tid / num_tids_per_block + p_seg->start_line - | |
2339 | p_mngr->pf_start_line; | |
2340 | *pp_task_ctx = (u8 *)p_mngr->ilt_shadow[ilt_idx].p_virt + | |
2341 | (tid % num_tids_per_block) * tid_size; | |
fe56b9e6 YM |
2342 | |
2343 | return 0; | |
2344 | } |