1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
3 *
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.
31 */
32
33 #include <linux/types.h>
34 #include <linux/crc8.h>
35 #include <linux/delay.h>
36 #include <linux/kernel.h>
37 #include <linux/slab.h>
38 #include <linux/string.h>
39 #include "qed_hsi.h"
40 #include "qed_hw.h"
41 #include "qed_init_ops.h"
42 #include "qed_reg_addr.h"
43
44 #define CDU_VALIDATION_DEFAULT_CFG 61
45
46 static u16 con_region_offsets[3][NUM_OF_CONNECTION_TYPES_E4] = {
47 {400, 336, 352, 304, 304, 384, 416, 352}, /* region 3 offsets */
48 {528, 496, 416, 448, 448, 512, 544, 480}, /* region 4 offsets */
49 {608, 544, 496, 512, 576, 592, 624, 560} /* region 5 offsets */
50 };
51
52 static u16 task_region_offsets[1][NUM_OF_CONNECTION_TYPES_E4] = {
53 {240, 240, 112, 0, 0, 0, 0, 96} /* region 1 offsets */
54 };
55
56 /* General constants */
57 #define QM_PQ_MEM_4KB(pq_size) (pq_size ? DIV_ROUND_UP((pq_size + 1) * \
58 QM_PQ_ELEMENT_SIZE, \
59 0x1000) : 0)
60 #define QM_PQ_SIZE_256B(pq_size) (pq_size ? DIV_ROUND_UP(pq_size, \
61 0x100) - 1 : 0)
62 #define QM_INVALID_PQ_ID 0xffff
63
64 /* Feature enable */
65 #define QM_BYPASS_EN 1
66 #define QM_BYTE_CRD_EN 1
67
68 /* Other PQ constants */
69 #define QM_OTHER_PQS_PER_PF 4
70
71 /* WFQ constants */
72
73 /* Upper bound in MB, 10 * burst size of 1ms in 50Gbps */
74 #define QM_WFQ_UPPER_BOUND 62500000
75
76 /* Bit of VOQ in WFQ VP PQ map */
77 #define QM_WFQ_VP_PQ_VOQ_SHIFT 0
78
79 /* Bit of PF in WFQ VP PQ map */
80 #define QM_WFQ_VP_PQ_PF_E4_SHIFT 5
81
82 /* 0x9000 = 4*9*1024 */
83 #define QM_WFQ_INC_VAL(weight) ((weight) * 0x9000)
84
85 /* Max WFQ increment value is 0.7 * upper bound */
86 #define QM_WFQ_MAX_INC_VAL ((QM_WFQ_UPPER_BOUND * 7) / 10)
87
88 /* RL constants */
89
90 /* Period in us */
91 #define QM_RL_PERIOD 5
92
93 /* Period in 25MHz cycles */
94 #define QM_RL_PERIOD_CLK_25M (25 * QM_RL_PERIOD)
95
96 /* RL increment value - rate is specified in mbps */
97 #define QM_RL_INC_VAL(rate) ({ \
98 typeof(rate) __rate = (rate); \
99 max_t(u32, \
100 (u32)(((__rate ? __rate : 1000000) * QM_RL_PERIOD * 101) / \
101 (8 * 100)), \
102 1); })
103
104 /* PF RL Upper bound is set to 10 * burst size of 1ms in 50Gbps */
105 #define QM_PF_RL_UPPER_BOUND 62500000
106
107 /* Max PF RL increment value is 0.7 * upper bound */
108 #define QM_PF_RL_MAX_INC_VAL ((QM_PF_RL_UPPER_BOUND * 7) / 10)
109
110 /* Vport RL Upper bound, link speed is in Mpbs */
111 #define QM_VP_RL_UPPER_BOUND(speed) ((u32)max_t(u32, \
112 QM_RL_INC_VAL(speed), \
113 9700 + 1000))
114
115 /* Max Vport RL increment value is the Vport RL upper bound */
116 #define QM_VP_RL_MAX_INC_VAL(speed) QM_VP_RL_UPPER_BOUND(speed)
117
118 /* Vport RL credit threshold in case of QM bypass */
119 #define QM_VP_RL_BYPASS_THRESH_SPEED (QM_VP_RL_UPPER_BOUND(10000) - 1)
120
121 /* AFullOprtnstcCrdMask constants */
122 #define QM_OPPOR_LINE_VOQ_DEF 1
123 #define QM_OPPOR_FW_STOP_DEF 0
124 #define QM_OPPOR_PQ_EMPTY_DEF 1
125
126 /* Command Queue constants */
127
128 /* Pure LB CmdQ lines (+spare) */
129 #define PBF_CMDQ_PURE_LB_LINES 150
130
131 #define PBF_CMDQ_LINES_E5_RSVD_RATIO 8
132
133 #define PBF_CMDQ_LINES_RT_OFFSET(ext_voq) \
134 (PBF_REG_YCMD_QS_NUM_LINES_VOQ0_RT_OFFSET + \
135 (ext_voq) * (PBF_REG_YCMD_QS_NUM_LINES_VOQ1_RT_OFFSET - \
136 PBF_REG_YCMD_QS_NUM_LINES_VOQ0_RT_OFFSET))
137
138 #define PBF_BTB_GUARANTEED_RT_OFFSET(ext_voq) \
139 (PBF_REG_BTB_GUARANTEED_VOQ0_RT_OFFSET + \
140 (ext_voq) * (PBF_REG_BTB_GUARANTEED_VOQ1_RT_OFFSET - \
141 PBF_REG_BTB_GUARANTEED_VOQ0_RT_OFFSET))
142
143 #define QM_VOQ_LINE_CRD(pbf_cmd_lines) \
144 ((((pbf_cmd_lines) - 4) * 2) | QM_LINE_CRD_REG_SIGN_BIT)
145
146 /* BTB: blocks constants (block size = 256B) */
147
148 /* 256B blocks in 9700B packet */
149 #define BTB_JUMBO_PKT_BLOCKS 38
150
151 /* Headroom per-port */
152 #define BTB_HEADROOM_BLOCKS BTB_JUMBO_PKT_BLOCKS
153 #define BTB_PURE_LB_FACTOR 10
154
155 /* Factored (hence really 0.7) */
156 #define BTB_PURE_LB_RATIO 7
157
158 /* QM stop command constants */
159 #define QM_STOP_PQ_MASK_WIDTH 32
160 #define QM_STOP_CMD_ADDR 2
161 #define QM_STOP_CMD_STRUCT_SIZE 2
162 #define QM_STOP_CMD_PAUSE_MASK_OFFSET 0
163 #define QM_STOP_CMD_PAUSE_MASK_SHIFT 0
164 #define QM_STOP_CMD_PAUSE_MASK_MASK -1
165 #define QM_STOP_CMD_GROUP_ID_OFFSET 1
166 #define QM_STOP_CMD_GROUP_ID_SHIFT 16
167 #define QM_STOP_CMD_GROUP_ID_MASK 15
168 #define QM_STOP_CMD_PQ_TYPE_OFFSET 1
169 #define QM_STOP_CMD_PQ_TYPE_SHIFT 24
170 #define QM_STOP_CMD_PQ_TYPE_MASK 1
171 #define QM_STOP_CMD_MAX_POLL_COUNT 100
172 #define QM_STOP_CMD_POLL_PERIOD_US 500
173
174 /* QM command macros */
175 #define QM_CMD_STRUCT_SIZE(cmd) cmd ## _STRUCT_SIZE
176 #define QM_CMD_SET_FIELD(var, cmd, field, value) \
177 SET_FIELD(var[cmd ## _ ## field ## _OFFSET], \
178 cmd ## _ ## field, \
179 value)
180
181 #define QM_INIT_TX_PQ_MAP(p_hwfn, map, chip, pq_id, rl_valid, vp_pq_id, rl_id, \
182 ext_voq, wrr) \
183 do { \
184 typeof(map) __map; \
185 memset(&__map, 0, sizeof(__map)); \
186 SET_FIELD(__map.reg, QM_RF_PQ_MAP_ ## chip ## _PQ_VALID, 1); \
187 SET_FIELD(__map.reg, QM_RF_PQ_MAP_ ## chip ## _RL_VALID, \
188 rl_valid); \
189 SET_FIELD(__map.reg, QM_RF_PQ_MAP_ ## chip ## _VP_PQ_ID, \
190 vp_pq_id); \
191 SET_FIELD(__map.reg, QM_RF_PQ_MAP_ ## chip ## _RL_ID, rl_id); \
192 SET_FIELD(__map.reg, QM_RF_PQ_MAP_ ## chip ## _VOQ, ext_voq); \
193 SET_FIELD(__map.reg, \
194 QM_RF_PQ_MAP_ ## chip ## _WRR_WEIGHT_GROUP, wrr); \
195 STORE_RT_REG(p_hwfn, QM_REG_TXPQMAP_RT_OFFSET + (pq_id), \
196 *((u32 *)&__map)); \
197 (map) = __map; \
198 } while (0)
199
200 #define WRITE_PQ_INFO_TO_RAM 1
201 #define PQ_INFO_ELEMENT(vp, pf, tc, port, rl_valid, rl) \
202 (((vp) << 0) | ((pf) << 12) | ((tc) << 16) | ((port) << 20) | \
203 ((rl_valid) << 22) | ((rl) << 24))
204 #define PQ_INFO_RAM_GRC_ADDRESS(pq_id) \
205 (XSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM + 21776 + (pq_id) * 4)
206
207 /******************** INTERNAL IMPLEMENTATION *********************/
208
209 /* Returns the external VOQ number */
qed_get_ext_voq(struct qed_hwfn * p_hwfn,u8 port_id,u8 tc,u8 max_phys_tcs_per_port)210 static u8 qed_get_ext_voq(struct qed_hwfn *p_hwfn,
211 u8 port_id, u8 tc, u8 max_phys_tcs_per_port)
212 {
213 if (tc == PURE_LB_TC)
214 return NUM_OF_PHYS_TCS * MAX_NUM_PORTS_BB + port_id;
215 else
216 return port_id * max_phys_tcs_per_port + tc;
217 }
218
219 /* Prepare PF RL enable/disable runtime init values */
qed_enable_pf_rl(struct qed_hwfn * p_hwfn,bool pf_rl_en)220 static void qed_enable_pf_rl(struct qed_hwfn *p_hwfn, bool pf_rl_en)
221 {
222 STORE_RT_REG(p_hwfn, QM_REG_RLPFENABLE_RT_OFFSET, pf_rl_en ? 1 : 0);
223 if (pf_rl_en) {
224 u8 num_ext_voqs = MAX_NUM_VOQS_E4;
225 u64 voq_bit_mask = ((u64)1 << num_ext_voqs) - 1;
226
227 /* Enable RLs for all VOQs */
228 STORE_RT_REG(p_hwfn,
229 QM_REG_RLPFVOQENABLE_RT_OFFSET,
230 (u32)voq_bit_mask);
231 if (num_ext_voqs >= 32)
232 STORE_RT_REG(p_hwfn, QM_REG_RLPFVOQENABLE_MSB_RT_OFFSET,
233 (u32)(voq_bit_mask >> 32));
234
235 /* Write RL period */
236 STORE_RT_REG(p_hwfn,
237 QM_REG_RLPFPERIOD_RT_OFFSET, QM_RL_PERIOD_CLK_25M);
238 STORE_RT_REG(p_hwfn,
239 QM_REG_RLPFPERIODTIMER_RT_OFFSET,
240 QM_RL_PERIOD_CLK_25M);
241
242 /* Set credit threshold for QM bypass flow */
243 if (QM_BYPASS_EN)
244 STORE_RT_REG(p_hwfn,
245 QM_REG_AFULLQMBYPTHRPFRL_RT_OFFSET,
246 QM_PF_RL_UPPER_BOUND);
247 }
248 }
249
250 /* Prepare PF WFQ enable/disable runtime init values */
qed_enable_pf_wfq(struct qed_hwfn * p_hwfn,bool pf_wfq_en)251 static void qed_enable_pf_wfq(struct qed_hwfn *p_hwfn, bool pf_wfq_en)
252 {
253 STORE_RT_REG(p_hwfn, QM_REG_WFQPFENABLE_RT_OFFSET, pf_wfq_en ? 1 : 0);
254
255 /* Set credit threshold for QM bypass flow */
256 if (pf_wfq_en && QM_BYPASS_EN)
257 STORE_RT_REG(p_hwfn,
258 QM_REG_AFULLQMBYPTHRPFWFQ_RT_OFFSET,
259 QM_WFQ_UPPER_BOUND);
260 }
261
262 /* Prepare VPORT RL enable/disable runtime init values */
qed_enable_vport_rl(struct qed_hwfn * p_hwfn,bool vport_rl_en)263 static void qed_enable_vport_rl(struct qed_hwfn *p_hwfn, bool vport_rl_en)
264 {
265 STORE_RT_REG(p_hwfn, QM_REG_RLGLBLENABLE_RT_OFFSET,
266 vport_rl_en ? 1 : 0);
267 if (vport_rl_en) {
268 /* Write RL period (use timer 0 only) */
269 STORE_RT_REG(p_hwfn,
270 QM_REG_RLGLBLPERIOD_0_RT_OFFSET,
271 QM_RL_PERIOD_CLK_25M);
272 STORE_RT_REG(p_hwfn,
273 QM_REG_RLGLBLPERIODTIMER_0_RT_OFFSET,
274 QM_RL_PERIOD_CLK_25M);
275
276 /* Set credit threshold for QM bypass flow */
277 if (QM_BYPASS_EN)
278 STORE_RT_REG(p_hwfn,
279 QM_REG_AFULLQMBYPTHRGLBLRL_RT_OFFSET,
280 QM_VP_RL_BYPASS_THRESH_SPEED);
281 }
282 }
283
284 /* Prepare VPORT WFQ enable/disable runtime init values */
qed_enable_vport_wfq(struct qed_hwfn * p_hwfn,bool vport_wfq_en)285 static void qed_enable_vport_wfq(struct qed_hwfn *p_hwfn, bool vport_wfq_en)
286 {
287 STORE_RT_REG(p_hwfn, QM_REG_WFQVPENABLE_RT_OFFSET,
288 vport_wfq_en ? 1 : 0);
289
290 /* Set credit threshold for QM bypass flow */
291 if (vport_wfq_en && QM_BYPASS_EN)
292 STORE_RT_REG(p_hwfn,
293 QM_REG_AFULLQMBYPTHRVPWFQ_RT_OFFSET,
294 QM_WFQ_UPPER_BOUND);
295 }
296
297 /* Prepare runtime init values to allocate PBF command queue lines for
298 * the specified VOQ.
299 */
qed_cmdq_lines_voq_rt_init(struct qed_hwfn * p_hwfn,u8 ext_voq,u16 cmdq_lines)300 static void qed_cmdq_lines_voq_rt_init(struct qed_hwfn *p_hwfn,
301 u8 ext_voq, u16 cmdq_lines)
302 {
303 u32 qm_line_crd = QM_VOQ_LINE_CRD(cmdq_lines);
304
305 OVERWRITE_RT_REG(p_hwfn, PBF_CMDQ_LINES_RT_OFFSET(ext_voq),
306 (u32)cmdq_lines);
307 STORE_RT_REG(p_hwfn, QM_REG_VOQCRDLINE_RT_OFFSET + ext_voq,
308 qm_line_crd);
309 STORE_RT_REG(p_hwfn, QM_REG_VOQINITCRDLINE_RT_OFFSET + ext_voq,
310 qm_line_crd);
311 }
312
313 /* Prepare runtime init values to allocate PBF command queue lines. */
qed_cmdq_lines_rt_init(struct qed_hwfn * p_hwfn,u8 max_ports_per_engine,u8 max_phys_tcs_per_port,struct init_qm_port_params port_params[MAX_NUM_PORTS])314 static void qed_cmdq_lines_rt_init(
315 struct qed_hwfn *p_hwfn,
316 u8 max_ports_per_engine,
317 u8 max_phys_tcs_per_port,
318 struct init_qm_port_params port_params[MAX_NUM_PORTS])
319 {
320 u8 tc, ext_voq, port_id, num_tcs_in_port;
321 u8 num_ext_voqs = MAX_NUM_VOQS_E4;
322
323 /* Clear PBF lines of all VOQs */
324 for (ext_voq = 0; ext_voq < num_ext_voqs; ext_voq++)
325 STORE_RT_REG(p_hwfn, PBF_CMDQ_LINES_RT_OFFSET(ext_voq), 0);
326
327 for (port_id = 0; port_id < max_ports_per_engine; port_id++) {
328 u16 phys_lines, phys_lines_per_tc;
329
330 if (!port_params[port_id].active)
331 continue;
332
333 /* Find number of command queue lines to divide between the
334 * active physical TCs. In E5, 1/8 of the lines are reserved.
335 * the lines for pure LB TC are subtracted.
336 */
337 phys_lines = port_params[port_id].num_pbf_cmd_lines;
338 phys_lines -= PBF_CMDQ_PURE_LB_LINES;
339
340 /* Find #lines per active physical TC */
341 num_tcs_in_port = 0;
342 for (tc = 0; tc < max_phys_tcs_per_port; tc++)
343 if (((port_params[port_id].active_phys_tcs >>
344 tc) & 0x1) == 1)
345 num_tcs_in_port++;
346 phys_lines_per_tc = phys_lines / num_tcs_in_port;
347
348 /* Init registers per active TC */
349 for (tc = 0; tc < max_phys_tcs_per_port; tc++) {
350 ext_voq = qed_get_ext_voq(p_hwfn,
351 port_id,
352 tc, max_phys_tcs_per_port);
353 if (((port_params[port_id].active_phys_tcs >>
354 tc) & 0x1) == 1)
355 qed_cmdq_lines_voq_rt_init(p_hwfn,
356 ext_voq,
357 phys_lines_per_tc);
358 }
359
360 /* Init registers for pure LB TC */
361 ext_voq = qed_get_ext_voq(p_hwfn,
362 port_id,
363 PURE_LB_TC, max_phys_tcs_per_port);
364 qed_cmdq_lines_voq_rt_init(p_hwfn,
365 ext_voq, PBF_CMDQ_PURE_LB_LINES);
366 }
367 }
368
qed_btb_blocks_rt_init(struct qed_hwfn * p_hwfn,u8 max_ports_per_engine,u8 max_phys_tcs_per_port,struct init_qm_port_params port_params[MAX_NUM_PORTS])369 static void qed_btb_blocks_rt_init(
370 struct qed_hwfn *p_hwfn,
371 u8 max_ports_per_engine,
372 u8 max_phys_tcs_per_port,
373 struct init_qm_port_params port_params[MAX_NUM_PORTS])
374 {
375 u32 usable_blocks, pure_lb_blocks, phys_blocks;
376 u8 tc, ext_voq, port_id, num_tcs_in_port;
377
378 for (port_id = 0; port_id < max_ports_per_engine; port_id++) {
379 if (!port_params[port_id].active)
380 continue;
381
382 /* Subtract headroom blocks */
383 usable_blocks = port_params[port_id].num_btb_blocks -
384 BTB_HEADROOM_BLOCKS;
385
386 /* Find blocks per physical TC. Use factor to avoid floating
387 * arithmethic.
388 */
389 num_tcs_in_port = 0;
390 for (tc = 0; tc < NUM_OF_PHYS_TCS; tc++)
391 if (((port_params[port_id].active_phys_tcs >>
392 tc) & 0x1) == 1)
393 num_tcs_in_port++;
394
395 pure_lb_blocks = (usable_blocks * BTB_PURE_LB_FACTOR) /
396 (num_tcs_in_port * BTB_PURE_LB_FACTOR +
397 BTB_PURE_LB_RATIO);
398 pure_lb_blocks = max_t(u32, BTB_JUMBO_PKT_BLOCKS,
399 pure_lb_blocks / BTB_PURE_LB_FACTOR);
400 phys_blocks = (usable_blocks - pure_lb_blocks) /
401 num_tcs_in_port;
402
403 /* Init physical TCs */
404 for (tc = 0; tc < NUM_OF_PHYS_TCS; tc++) {
405 if (((port_params[port_id].active_phys_tcs >>
406 tc) & 0x1) == 1) {
407 ext_voq =
408 qed_get_ext_voq(p_hwfn,
409 port_id,
410 tc,
411 max_phys_tcs_per_port);
412 STORE_RT_REG(p_hwfn,
413 PBF_BTB_GUARANTEED_RT_OFFSET
414 (ext_voq), phys_blocks);
415 }
416 }
417
418 /* Init pure LB TC */
419 ext_voq = qed_get_ext_voq(p_hwfn,
420 port_id,
421 PURE_LB_TC, max_phys_tcs_per_port);
422 STORE_RT_REG(p_hwfn, PBF_BTB_GUARANTEED_RT_OFFSET(ext_voq),
423 pure_lb_blocks);
424 }
425 }
426
427 /* Prepare Tx PQ mapping runtime init values for the specified PF */
qed_tx_pq_map_rt_init(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_qm_pf_rt_init_params * p_params,u32 base_mem_addr_4kb)428 static void qed_tx_pq_map_rt_init(struct qed_hwfn *p_hwfn,
429 struct qed_ptt *p_ptt,
430 struct qed_qm_pf_rt_init_params *p_params,
431 u32 base_mem_addr_4kb)
432 {
433 u32 tx_pq_vf_mask[MAX_QM_TX_QUEUES / QM_PF_QUEUE_GROUP_SIZE] = { 0 };
434 struct init_qm_vport_params *vport_params = p_params->vport_params;
435 u32 num_tx_pq_vf_masks = MAX_QM_TX_QUEUES / QM_PF_QUEUE_GROUP_SIZE;
436 u16 num_pqs, first_pq_group, last_pq_group, i, j, pq_id, pq_group;
437 struct init_qm_pq_params *pq_params = p_params->pq_params;
438 u32 pq_mem_4kb, vport_pq_mem_4kb, mem_addr_4kb;
439
440 num_pqs = p_params->num_pf_pqs + p_params->num_vf_pqs;
441
442 first_pq_group = p_params->start_pq / QM_PF_QUEUE_GROUP_SIZE;
443 last_pq_group = (p_params->start_pq + num_pqs - 1) /
444 QM_PF_QUEUE_GROUP_SIZE;
445
446 pq_mem_4kb = QM_PQ_MEM_4KB(p_params->num_pf_cids);
447 vport_pq_mem_4kb = QM_PQ_MEM_4KB(p_params->num_vf_cids);
448 mem_addr_4kb = base_mem_addr_4kb;
449
450 /* Set mapping from PQ group to PF */
451 for (pq_group = first_pq_group; pq_group <= last_pq_group; pq_group++)
452 STORE_RT_REG(p_hwfn, QM_REG_PQTX2PF_0_RT_OFFSET + pq_group,
453 (u32)(p_params->pf_id));
454
455 /* Set PQ sizes */
456 STORE_RT_REG(p_hwfn, QM_REG_MAXPQSIZE_0_RT_OFFSET,
457 QM_PQ_SIZE_256B(p_params->num_pf_cids));
458 STORE_RT_REG(p_hwfn, QM_REG_MAXPQSIZE_1_RT_OFFSET,
459 QM_PQ_SIZE_256B(p_params->num_vf_cids));
460
461 /* Go over all Tx PQs */
462 for (i = 0, pq_id = p_params->start_pq; i < num_pqs; i++, pq_id++) {
463 u8 ext_voq, vport_id_in_pf, tc_id = pq_params[i].tc_id;
464 u32 max_qm_global_rls = MAX_QM_GLOBAL_RLS;
465 struct qm_rf_pq_map_e4 tx_pq_map;
466 bool is_vf_pq, rl_valid;
467 u16 *p_first_tx_pq_id;
468
469 ext_voq = qed_get_ext_voq(p_hwfn,
470 pq_params[i].port_id,
471 tc_id,
472 p_params->max_phys_tcs_per_port);
473 is_vf_pq = (i >= p_params->num_pf_pqs);
474 rl_valid = pq_params[i].rl_valid > 0;
475
476 /* Update first Tx PQ of VPORT/TC */
477 vport_id_in_pf = pq_params[i].vport_id - p_params->start_vport;
478 p_first_tx_pq_id =
479 &vport_params[vport_id_in_pf].first_tx_pq_id[tc_id];
480 if (*p_first_tx_pq_id == QM_INVALID_PQ_ID) {
481 u32 map_val =
482 (ext_voq << QM_WFQ_VP_PQ_VOQ_SHIFT) |
483 (p_params->pf_id << QM_WFQ_VP_PQ_PF_E4_SHIFT);
484
485 /* Create new VP PQ */
486 *p_first_tx_pq_id = pq_id;
487
488 /* Map VP PQ to VOQ and PF */
489 STORE_RT_REG(p_hwfn,
490 QM_REG_WFQVPMAP_RT_OFFSET +
491 *p_first_tx_pq_id,
492 map_val);
493 }
494
495 /* Check RL ID */
496 if (rl_valid && pq_params[i].vport_id >= max_qm_global_rls) {
497 DP_NOTICE(p_hwfn,
498 "Invalid VPORT ID for rate limiter configuration\n");
499 rl_valid = false;
500 }
501
502 /* Prepare PQ map entry */
503 QM_INIT_TX_PQ_MAP(p_hwfn,
504 tx_pq_map,
505 E4,
506 pq_id,
507 rl_valid ? 1 : 0,
508 *p_first_tx_pq_id,
509 rl_valid ? pq_params[i].vport_id : 0,
510 ext_voq, pq_params[i].wrr_group);
511
512 /* Set PQ base address */
513 STORE_RT_REG(p_hwfn,
514 QM_REG_BASEADDRTXPQ_RT_OFFSET + pq_id,
515 mem_addr_4kb);
516
517 /* Clear PQ pointer table entry (64 bit) */
518 if (p_params->is_pf_loading)
519 for (j = 0; j < 2; j++)
520 STORE_RT_REG(p_hwfn,
521 QM_REG_PTRTBLTX_RT_OFFSET +
522 (pq_id * 2) + j, 0);
523
524 /* Write PQ info to RAM */
525 if (WRITE_PQ_INFO_TO_RAM != 0) {
526 u32 pq_info = 0;
527
528 pq_info = PQ_INFO_ELEMENT(*p_first_tx_pq_id,
529 p_params->pf_id,
530 tc_id,
531 pq_params[i].port_id,
532 rl_valid ? 1 : 0,
533 rl_valid ?
534 pq_params[i].vport_id : 0);
535 qed_wr(p_hwfn, p_ptt, PQ_INFO_RAM_GRC_ADDRESS(pq_id),
536 pq_info);
537 }
538
539 /* If VF PQ, add indication to PQ VF mask */
540 if (is_vf_pq) {
541 tx_pq_vf_mask[pq_id /
542 QM_PF_QUEUE_GROUP_SIZE] |=
543 BIT((pq_id % QM_PF_QUEUE_GROUP_SIZE));
544 mem_addr_4kb += vport_pq_mem_4kb;
545 } else {
546 mem_addr_4kb += pq_mem_4kb;
547 }
548 }
549
550 /* Store Tx PQ VF mask to size select register */
551 for (i = 0; i < num_tx_pq_vf_masks; i++)
552 if (tx_pq_vf_mask[i])
553 STORE_RT_REG(p_hwfn,
554 QM_REG_MAXPQSIZETXSEL_0_RT_OFFSET + i,
555 tx_pq_vf_mask[i]);
556 }
557
558 /* Prepare Other PQ mapping runtime init values for the specified PF */
qed_other_pq_map_rt_init(struct qed_hwfn * p_hwfn,u8 pf_id,bool is_pf_loading,u32 num_pf_cids,u32 num_tids,u32 base_mem_addr_4kb)559 static void qed_other_pq_map_rt_init(struct qed_hwfn *p_hwfn,
560 u8 pf_id,
561 bool is_pf_loading,
562 u32 num_pf_cids,
563 u32 num_tids, u32 base_mem_addr_4kb)
564 {
565 u32 pq_size, pq_mem_4kb, mem_addr_4kb;
566 u16 i, j, pq_id, pq_group;
567
568 /* A single other PQ group is used in each PF, where PQ group i is used
569 * in PF i.
570 */
571 pq_group = pf_id;
572 pq_size = num_pf_cids + num_tids;
573 pq_mem_4kb = QM_PQ_MEM_4KB(pq_size);
574 mem_addr_4kb = base_mem_addr_4kb;
575
576 /* Map PQ group to PF */
577 STORE_RT_REG(p_hwfn, QM_REG_PQOTHER2PF_0_RT_OFFSET + pq_group,
578 (u32)(pf_id));
579
580 /* Set PQ sizes */
581 STORE_RT_REG(p_hwfn, QM_REG_MAXPQSIZE_2_RT_OFFSET,
582 QM_PQ_SIZE_256B(pq_size));
583
584 for (i = 0, pq_id = pf_id * QM_PF_QUEUE_GROUP_SIZE;
585 i < QM_OTHER_PQS_PER_PF; i++, pq_id++) {
586 /* Set PQ base address */
587 STORE_RT_REG(p_hwfn,
588 QM_REG_BASEADDROTHERPQ_RT_OFFSET + pq_id,
589 mem_addr_4kb);
590
591 /* Clear PQ pointer table entry */
592 if (is_pf_loading)
593 for (j = 0; j < 2; j++)
594 STORE_RT_REG(p_hwfn,
595 QM_REG_PTRTBLOTHER_RT_OFFSET +
596 (pq_id * 2) + j, 0);
597
598 mem_addr_4kb += pq_mem_4kb;
599 }
600 }
601
602 /* Prepare PF WFQ runtime init values for the specified PF.
603 * Return -1 on error.
604 */
qed_pf_wfq_rt_init(struct qed_hwfn * p_hwfn,struct qed_qm_pf_rt_init_params * p_params)605 static int qed_pf_wfq_rt_init(struct qed_hwfn *p_hwfn,
606
607 struct qed_qm_pf_rt_init_params *p_params)
608 {
609 u16 num_tx_pqs = p_params->num_pf_pqs + p_params->num_vf_pqs;
610 struct init_qm_pq_params *pq_params = p_params->pq_params;
611 u32 inc_val, crd_reg_offset;
612 u8 ext_voq;
613 u16 i;
614
615 inc_val = QM_WFQ_INC_VAL(p_params->pf_wfq);
616 if (!inc_val || inc_val > QM_WFQ_MAX_INC_VAL) {
617 DP_NOTICE(p_hwfn, "Invalid PF WFQ weight configuration\n");
618 return -1;
619 }
620
621 for (i = 0; i < num_tx_pqs; i++) {
622 ext_voq = qed_get_ext_voq(p_hwfn,
623 pq_params[i].port_id,
624 pq_params[i].tc_id,
625 p_params->max_phys_tcs_per_port);
626 crd_reg_offset =
627 (p_params->pf_id < MAX_NUM_PFS_BB ?
628 QM_REG_WFQPFCRD_RT_OFFSET :
629 QM_REG_WFQPFCRD_MSB_RT_OFFSET) +
630 ext_voq * MAX_NUM_PFS_BB +
631 (p_params->pf_id % MAX_NUM_PFS_BB);
632 OVERWRITE_RT_REG(p_hwfn,
633 crd_reg_offset, (u32)QM_WFQ_CRD_REG_SIGN_BIT);
634 }
635
636 STORE_RT_REG(p_hwfn,
637 QM_REG_WFQPFUPPERBOUND_RT_OFFSET + p_params->pf_id,
638 QM_WFQ_UPPER_BOUND | (u32)QM_WFQ_CRD_REG_SIGN_BIT);
639 STORE_RT_REG(p_hwfn, QM_REG_WFQPFWEIGHT_RT_OFFSET + p_params->pf_id,
640 inc_val);
641
642 return 0;
643 }
644
645 /* Prepare PF RL runtime init values for the specified PF.
646 * Return -1 on error.
647 */
qed_pf_rl_rt_init(struct qed_hwfn * p_hwfn,u8 pf_id,u32 pf_rl)648 static int qed_pf_rl_rt_init(struct qed_hwfn *p_hwfn, u8 pf_id, u32 pf_rl)
649 {
650 u32 inc_val = QM_RL_INC_VAL(pf_rl);
651
652 if (inc_val > QM_PF_RL_MAX_INC_VAL) {
653 DP_NOTICE(p_hwfn, "Invalid PF rate limit configuration\n");
654 return -1;
655 }
656
657 STORE_RT_REG(p_hwfn,
658 QM_REG_RLPFCRD_RT_OFFSET + pf_id,
659 (u32)QM_RL_CRD_REG_SIGN_BIT);
660 STORE_RT_REG(p_hwfn,
661 QM_REG_RLPFUPPERBOUND_RT_OFFSET + pf_id,
662 QM_PF_RL_UPPER_BOUND | (u32)QM_RL_CRD_REG_SIGN_BIT);
663 STORE_RT_REG(p_hwfn, QM_REG_RLPFINCVAL_RT_OFFSET + pf_id, inc_val);
664
665 return 0;
666 }
667
668 /* Prepare VPORT WFQ runtime init values for the specified VPORTs.
669 * Return -1 on error.
670 */
qed_vp_wfq_rt_init(struct qed_hwfn * p_hwfn,u8 num_vports,struct init_qm_vport_params * vport_params)671 static int qed_vp_wfq_rt_init(struct qed_hwfn *p_hwfn,
672 u8 num_vports,
673 struct init_qm_vport_params *vport_params)
674 {
675 u16 vport_pq_id;
676 u32 inc_val;
677 u8 tc, i;
678
679 /* Go over all PF VPORTs */
680 for (i = 0; i < num_vports; i++) {
681 if (!vport_params[i].vport_wfq)
682 continue;
683
684 inc_val = QM_WFQ_INC_VAL(vport_params[i].vport_wfq);
685 if (inc_val > QM_WFQ_MAX_INC_VAL) {
686 DP_NOTICE(p_hwfn,
687 "Invalid VPORT WFQ weight configuration\n");
688 return -1;
689 }
690
691 /* Each VPORT can have several VPORT PQ IDs for various TCs */
692 for (tc = 0; tc < NUM_OF_TCS; tc++) {
693 vport_pq_id = vport_params[i].first_tx_pq_id[tc];
694 if (vport_pq_id != QM_INVALID_PQ_ID) {
695 STORE_RT_REG(p_hwfn,
696 QM_REG_WFQVPCRD_RT_OFFSET +
697 vport_pq_id,
698 (u32)QM_WFQ_CRD_REG_SIGN_BIT);
699 STORE_RT_REG(p_hwfn,
700 QM_REG_WFQVPWEIGHT_RT_OFFSET +
701 vport_pq_id, inc_val);
702 }
703 }
704 }
705
706 return 0;
707 }
708
709 /* Prepare VPORT RL runtime init values for the specified VPORTs.
710 * Return -1 on error.
711 */
qed_vport_rl_rt_init(struct qed_hwfn * p_hwfn,u8 start_vport,u8 num_vports,u32 link_speed,struct init_qm_vport_params * vport_params)712 static int qed_vport_rl_rt_init(struct qed_hwfn *p_hwfn,
713 u8 start_vport,
714 u8 num_vports,
715 u32 link_speed,
716 struct init_qm_vport_params *vport_params)
717 {
718 u8 i, vport_id;
719 u32 inc_val;
720
721 if (start_vport + num_vports >= MAX_QM_GLOBAL_RLS) {
722 DP_NOTICE(p_hwfn,
723 "Invalid VPORT ID for rate limiter configuration\n");
724 return -1;
725 }
726
727 /* Go over all PF VPORTs */
728 for (i = 0, vport_id = start_vport; i < num_vports; i++, vport_id++) {
729 inc_val = QM_RL_INC_VAL(vport_params[i].vport_rl ?
730 vport_params[i].vport_rl :
731 link_speed);
732 if (inc_val > QM_VP_RL_MAX_INC_VAL(link_speed)) {
733 DP_NOTICE(p_hwfn,
734 "Invalid VPORT rate-limit configuration\n");
735 return -1;
736 }
737
738 STORE_RT_REG(p_hwfn, QM_REG_RLGLBLCRD_RT_OFFSET + vport_id,
739 (u32)QM_RL_CRD_REG_SIGN_BIT);
740 STORE_RT_REG(p_hwfn,
741 QM_REG_RLGLBLUPPERBOUND_RT_OFFSET + vport_id,
742 QM_VP_RL_UPPER_BOUND(link_speed) |
743 (u32)QM_RL_CRD_REG_SIGN_BIT);
744 STORE_RT_REG(p_hwfn, QM_REG_RLGLBLINCVAL_RT_OFFSET + vport_id,
745 inc_val);
746 }
747
748 return 0;
749 }
750
qed_poll_on_qm_cmd_ready(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)751 static bool qed_poll_on_qm_cmd_ready(struct qed_hwfn *p_hwfn,
752 struct qed_ptt *p_ptt)
753 {
754 u32 reg_val, i;
755
756 for (i = 0, reg_val = 0; i < QM_STOP_CMD_MAX_POLL_COUNT && !reg_val;
757 i++) {
758 udelay(QM_STOP_CMD_POLL_PERIOD_US);
759 reg_val = qed_rd(p_hwfn, p_ptt, QM_REG_SDMCMDREADY);
760 }
761
762 /* Check if timeout while waiting for SDM command ready */
763 if (i == QM_STOP_CMD_MAX_POLL_COUNT) {
764 DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
765 "Timeout when waiting for QM SDM command ready signal\n");
766 return false;
767 }
768
769 return true;
770 }
771
qed_send_qm_cmd(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u32 cmd_addr,u32 cmd_data_lsb,u32 cmd_data_msb)772 static bool qed_send_qm_cmd(struct qed_hwfn *p_hwfn,
773 struct qed_ptt *p_ptt,
774 u32 cmd_addr, u32 cmd_data_lsb, u32 cmd_data_msb)
775 {
776 if (!qed_poll_on_qm_cmd_ready(p_hwfn, p_ptt))
777 return false;
778
779 qed_wr(p_hwfn, p_ptt, QM_REG_SDMCMDADDR, cmd_addr);
780 qed_wr(p_hwfn, p_ptt, QM_REG_SDMCMDDATALSB, cmd_data_lsb);
781 qed_wr(p_hwfn, p_ptt, QM_REG_SDMCMDDATAMSB, cmd_data_msb);
782 qed_wr(p_hwfn, p_ptt, QM_REG_SDMCMDGO, 1);
783 qed_wr(p_hwfn, p_ptt, QM_REG_SDMCMDGO, 0);
784
785 return qed_poll_on_qm_cmd_ready(p_hwfn, p_ptt);
786 }
787
788 /******************** INTERFACE IMPLEMENTATION *********************/
789
qed_qm_pf_mem_size(u32 num_pf_cids,u32 num_vf_cids,u32 num_tids,u16 num_pf_pqs,u16 num_vf_pqs)790 u32 qed_qm_pf_mem_size(u32 num_pf_cids,
791 u32 num_vf_cids,
792 u32 num_tids, u16 num_pf_pqs, u16 num_vf_pqs)
793 {
794 return QM_PQ_MEM_4KB(num_pf_cids) * num_pf_pqs +
795 QM_PQ_MEM_4KB(num_vf_cids) * num_vf_pqs +
796 QM_PQ_MEM_4KB(num_pf_cids + num_tids) * QM_OTHER_PQS_PER_PF;
797 }
798
qed_qm_common_rt_init(struct qed_hwfn * p_hwfn,struct qed_qm_common_rt_init_params * p_params)799 int qed_qm_common_rt_init(struct qed_hwfn *p_hwfn,
800 struct qed_qm_common_rt_init_params *p_params)
801 {
802 /* Init AFullOprtnstcCrdMask */
803 u32 mask = (QM_OPPOR_LINE_VOQ_DEF <<
804 QM_RF_OPPORTUNISTIC_MASK_LINEVOQ_SHIFT) |
805 (QM_BYTE_CRD_EN << QM_RF_OPPORTUNISTIC_MASK_BYTEVOQ_SHIFT) |
806 (p_params->pf_wfq_en <<
807 QM_RF_OPPORTUNISTIC_MASK_PFWFQ_SHIFT) |
808 (p_params->vport_wfq_en <<
809 QM_RF_OPPORTUNISTIC_MASK_VPWFQ_SHIFT) |
810 (p_params->pf_rl_en <<
811 QM_RF_OPPORTUNISTIC_MASK_PFRL_SHIFT) |
812 (p_params->vport_rl_en <<
813 QM_RF_OPPORTUNISTIC_MASK_VPQCNRL_SHIFT) |
814 (QM_OPPOR_FW_STOP_DEF <<
815 QM_RF_OPPORTUNISTIC_MASK_FWPAUSE_SHIFT) |
816 (QM_OPPOR_PQ_EMPTY_DEF <<
817 QM_RF_OPPORTUNISTIC_MASK_QUEUEEMPTY_SHIFT);
818
819 STORE_RT_REG(p_hwfn, QM_REG_AFULLOPRTNSTCCRDMASK_RT_OFFSET, mask);
820
821 /* Enable/disable PF RL */
822 qed_enable_pf_rl(p_hwfn, p_params->pf_rl_en);
823
824 /* Enable/disable PF WFQ */
825 qed_enable_pf_wfq(p_hwfn, p_params->pf_wfq_en);
826
827 /* Enable/disable VPORT RL */
828 qed_enable_vport_rl(p_hwfn, p_params->vport_rl_en);
829
830 /* Enable/disable VPORT WFQ */
831 qed_enable_vport_wfq(p_hwfn, p_params->vport_wfq_en);
832
833 /* Init PBF CMDQ line credit */
834 qed_cmdq_lines_rt_init(p_hwfn,
835 p_params->max_ports_per_engine,
836 p_params->max_phys_tcs_per_port,
837 p_params->port_params);
838
839 /* Init BTB blocks in PBF */
840 qed_btb_blocks_rt_init(p_hwfn,
841 p_params->max_ports_per_engine,
842 p_params->max_phys_tcs_per_port,
843 p_params->port_params);
844
845 return 0;
846 }
847
qed_qm_pf_rt_init(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,struct qed_qm_pf_rt_init_params * p_params)848 int qed_qm_pf_rt_init(struct qed_hwfn *p_hwfn,
849 struct qed_ptt *p_ptt,
850 struct qed_qm_pf_rt_init_params *p_params)
851 {
852 struct init_qm_vport_params *vport_params = p_params->vport_params;
853 u32 other_mem_size_4kb = QM_PQ_MEM_4KB(p_params->num_pf_cids +
854 p_params->num_tids) *
855 QM_OTHER_PQS_PER_PF;
856 u8 tc, i;
857
858 /* Clear first Tx PQ ID array for each VPORT */
859 for (i = 0; i < p_params->num_vports; i++)
860 for (tc = 0; tc < NUM_OF_TCS; tc++)
861 vport_params[i].first_tx_pq_id[tc] = QM_INVALID_PQ_ID;
862
863 /* Map Other PQs (if any) */
864 qed_other_pq_map_rt_init(p_hwfn,
865 p_params->pf_id,
866 p_params->is_pf_loading, p_params->num_pf_cids,
867 p_params->num_tids, 0);
868
869 /* Map Tx PQs */
870 qed_tx_pq_map_rt_init(p_hwfn, p_ptt, p_params, other_mem_size_4kb);
871
872 /* Init PF WFQ */
873 if (p_params->pf_wfq)
874 if (qed_pf_wfq_rt_init(p_hwfn, p_params))
875 return -1;
876
877 /* Init PF RL */
878 if (qed_pf_rl_rt_init(p_hwfn, p_params->pf_id, p_params->pf_rl))
879 return -1;
880
881 /* Set VPORT WFQ */
882 if (qed_vp_wfq_rt_init(p_hwfn, p_params->num_vports, vport_params))
883 return -1;
884
885 /* Set VPORT RL */
886 if (qed_vport_rl_rt_init(p_hwfn, p_params->start_vport,
887 p_params->num_vports, p_params->link_speed,
888 vport_params))
889 return -1;
890
891 return 0;
892 }
893
qed_init_pf_wfq(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 pf_id,u16 pf_wfq)894 int qed_init_pf_wfq(struct qed_hwfn *p_hwfn,
895 struct qed_ptt *p_ptt, u8 pf_id, u16 pf_wfq)
896 {
897 u32 inc_val = QM_WFQ_INC_VAL(pf_wfq);
898
899 if (!inc_val || inc_val > QM_WFQ_MAX_INC_VAL) {
900 DP_NOTICE(p_hwfn, "Invalid PF WFQ weight configuration\n");
901 return -1;
902 }
903
904 qed_wr(p_hwfn, p_ptt, QM_REG_WFQPFWEIGHT + pf_id * 4, inc_val);
905
906 return 0;
907 }
908
qed_init_pf_rl(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 pf_id,u32 pf_rl)909 int qed_init_pf_rl(struct qed_hwfn *p_hwfn,
910 struct qed_ptt *p_ptt, u8 pf_id, u32 pf_rl)
911 {
912 u32 inc_val = QM_RL_INC_VAL(pf_rl);
913
914 if (inc_val > QM_PF_RL_MAX_INC_VAL) {
915 DP_NOTICE(p_hwfn, "Invalid PF rate limit configuration\n");
916 return -1;
917 }
918
919 qed_wr(p_hwfn,
920 p_ptt, QM_REG_RLPFCRD + pf_id * 4, (u32)QM_RL_CRD_REG_SIGN_BIT);
921 qed_wr(p_hwfn, p_ptt, QM_REG_RLPFINCVAL + pf_id * 4, inc_val);
922
923 return 0;
924 }
925
qed_init_vport_wfq(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 first_tx_pq_id[NUM_OF_TCS],u16 vport_wfq)926 int qed_init_vport_wfq(struct qed_hwfn *p_hwfn,
927 struct qed_ptt *p_ptt,
928 u16 first_tx_pq_id[NUM_OF_TCS], u16 vport_wfq)
929 {
930 u16 vport_pq_id;
931 u32 inc_val;
932 u8 tc;
933
934 inc_val = QM_WFQ_INC_VAL(vport_wfq);
935 if (!inc_val || inc_val > QM_WFQ_MAX_INC_VAL) {
936 DP_NOTICE(p_hwfn, "Invalid VPORT WFQ weight configuration\n");
937 return -1;
938 }
939
940 for (tc = 0; tc < NUM_OF_TCS; tc++) {
941 vport_pq_id = first_tx_pq_id[tc];
942 if (vport_pq_id != QM_INVALID_PQ_ID)
943 qed_wr(p_hwfn,
944 p_ptt,
945 QM_REG_WFQVPWEIGHT + vport_pq_id * 4, inc_val);
946 }
947
948 return 0;
949 }
950
qed_init_vport_rl(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 vport_id,u32 vport_rl,u32 link_speed)951 int qed_init_vport_rl(struct qed_hwfn *p_hwfn,
952 struct qed_ptt *p_ptt,
953 u8 vport_id, u32 vport_rl, u32 link_speed)
954 {
955 u32 inc_val, max_qm_global_rls = MAX_QM_GLOBAL_RLS;
956
957 if (vport_id >= max_qm_global_rls) {
958 DP_NOTICE(p_hwfn,
959 "Invalid VPORT ID for rate limiter configuration\n");
960 return -1;
961 }
962
963 inc_val = QM_RL_INC_VAL(vport_rl ? vport_rl : link_speed);
964 if (inc_val > QM_VP_RL_MAX_INC_VAL(link_speed)) {
965 DP_NOTICE(p_hwfn, "Invalid VPORT rate-limit configuration\n");
966 return -1;
967 }
968
969 qed_wr(p_hwfn,
970 p_ptt,
971 QM_REG_RLGLBLCRD + vport_id * 4, (u32)QM_RL_CRD_REG_SIGN_BIT);
972 qed_wr(p_hwfn, p_ptt, QM_REG_RLGLBLINCVAL + vport_id * 4, inc_val);
973
974 return 0;
975 }
976
qed_send_qm_stop_cmd(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool is_release_cmd,bool is_tx_pq,u16 start_pq,u16 num_pqs)977 bool qed_send_qm_stop_cmd(struct qed_hwfn *p_hwfn,
978 struct qed_ptt *p_ptt,
979 bool is_release_cmd,
980 bool is_tx_pq, u16 start_pq, u16 num_pqs)
981 {
982 u32 cmd_arr[QM_CMD_STRUCT_SIZE(QM_STOP_CMD)] = { 0 };
983 u32 pq_mask = 0, last_pq, pq_id;
984
985 last_pq = start_pq + num_pqs - 1;
986
987 /* Set command's PQ type */
988 QM_CMD_SET_FIELD(cmd_arr, QM_STOP_CMD, PQ_TYPE, is_tx_pq ? 0 : 1);
989
990 /* Go over requested PQs */
991 for (pq_id = start_pq; pq_id <= last_pq; pq_id++) {
992 /* Set PQ bit in mask (stop command only) */
993 if (!is_release_cmd)
994 pq_mask |= BIT((pq_id % QM_STOP_PQ_MASK_WIDTH));
995
996 /* If last PQ or end of PQ mask, write command */
997 if ((pq_id == last_pq) ||
998 (pq_id % QM_STOP_PQ_MASK_WIDTH ==
999 (QM_STOP_PQ_MASK_WIDTH - 1))) {
1000 QM_CMD_SET_FIELD(cmd_arr,
1001 QM_STOP_CMD, PAUSE_MASK, pq_mask);
1002 QM_CMD_SET_FIELD(cmd_arr,
1003 QM_STOP_CMD,
1004 GROUP_ID,
1005 pq_id / QM_STOP_PQ_MASK_WIDTH);
1006 if (!qed_send_qm_cmd(p_hwfn, p_ptt, QM_STOP_CMD_ADDR,
1007 cmd_arr[0], cmd_arr[1]))
1008 return false;
1009 pq_mask = 0;
1010 }
1011 }
1012
1013 return true;
1014 }
1015
1016
1017 #define SET_TUNNEL_TYPE_ENABLE_BIT(var, offset, enable) \
1018 do { \
1019 typeof(var) *__p_var = &(var); \
1020 typeof(offset) __offset = offset; \
1021 *__p_var = (*__p_var & ~BIT(__offset)) | \
1022 ((enable) ? BIT(__offset) : 0); \
1023 } while (0)
1024 #define PRS_ETH_TUNN_OUTPUT_FORMAT -188897008
1025 #define PRS_ETH_OUTPUT_FORMAT -46832
1026
qed_set_vxlan_dest_port(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 dest_port)1027 void qed_set_vxlan_dest_port(struct qed_hwfn *p_hwfn,
1028 struct qed_ptt *p_ptt, u16 dest_port)
1029 {
1030 /* Update PRS register */
1031 qed_wr(p_hwfn, p_ptt, PRS_REG_VXLAN_PORT, dest_port);
1032
1033 /* Update NIG register */
1034 qed_wr(p_hwfn, p_ptt, NIG_REG_VXLAN_CTRL, dest_port);
1035
1036 /* Update PBF register */
1037 qed_wr(p_hwfn, p_ptt, PBF_REG_VXLAN_PORT, dest_port);
1038 }
1039
qed_set_vxlan_enable(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool vxlan_enable)1040 void qed_set_vxlan_enable(struct qed_hwfn *p_hwfn,
1041 struct qed_ptt *p_ptt, bool vxlan_enable)
1042 {
1043 u32 reg_val;
1044 u8 shift;
1045
1046 /* Update PRS register */
1047 reg_val = qed_rd(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN);
1048 shift = PRS_REG_ENCAPSULATION_TYPE_EN_VXLAN_ENABLE_SHIFT;
1049 SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, vxlan_enable);
1050 qed_wr(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN, reg_val);
1051 if (reg_val) {
1052 reg_val =
1053 qed_rd(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2);
1054
1055 /* Update output only if tunnel blocks not included. */
1056 if (reg_val == (u32)PRS_ETH_OUTPUT_FORMAT)
1057 qed_wr(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2,
1058 (u32)PRS_ETH_TUNN_OUTPUT_FORMAT);
1059 }
1060
1061 /* Update NIG register */
1062 reg_val = qed_rd(p_hwfn, p_ptt, NIG_REG_ENC_TYPE_ENABLE);
1063 shift = NIG_REG_ENC_TYPE_ENABLE_VXLAN_ENABLE_SHIFT;
1064 SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, vxlan_enable);
1065 qed_wr(p_hwfn, p_ptt, NIG_REG_ENC_TYPE_ENABLE, reg_val);
1066
1067 /* Update DORQ register */
1068 qed_wr(p_hwfn,
1069 p_ptt, DORQ_REG_L2_EDPM_TUNNEL_VXLAN_EN, vxlan_enable ? 1 : 0);
1070 }
1071
qed_set_gre_enable(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool eth_gre_enable,bool ip_gre_enable)1072 void qed_set_gre_enable(struct qed_hwfn *p_hwfn,
1073 struct qed_ptt *p_ptt,
1074 bool eth_gre_enable, bool ip_gre_enable)
1075 {
1076 u32 reg_val;
1077 u8 shift;
1078
1079 /* Update PRS register */
1080 reg_val = qed_rd(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN);
1081 shift = PRS_REG_ENCAPSULATION_TYPE_EN_ETH_OVER_GRE_ENABLE_SHIFT;
1082 SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, eth_gre_enable);
1083 shift = PRS_REG_ENCAPSULATION_TYPE_EN_IP_OVER_GRE_ENABLE_SHIFT;
1084 SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, ip_gre_enable);
1085 qed_wr(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN, reg_val);
1086 if (reg_val) {
1087 reg_val =
1088 qed_rd(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2);
1089
1090 /* Update output only if tunnel blocks not included. */
1091 if (reg_val == (u32)PRS_ETH_OUTPUT_FORMAT)
1092 qed_wr(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2,
1093 (u32)PRS_ETH_TUNN_OUTPUT_FORMAT);
1094 }
1095
1096 /* Update NIG register */
1097 reg_val = qed_rd(p_hwfn, p_ptt, NIG_REG_ENC_TYPE_ENABLE);
1098 shift = NIG_REG_ENC_TYPE_ENABLE_ETH_OVER_GRE_ENABLE_SHIFT;
1099 SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, eth_gre_enable);
1100 shift = NIG_REG_ENC_TYPE_ENABLE_IP_OVER_GRE_ENABLE_SHIFT;
1101 SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, ip_gre_enable);
1102 qed_wr(p_hwfn, p_ptt, NIG_REG_ENC_TYPE_ENABLE, reg_val);
1103
1104 /* Update DORQ registers */
1105 qed_wr(p_hwfn,
1106 p_ptt,
1107 DORQ_REG_L2_EDPM_TUNNEL_GRE_ETH_EN, eth_gre_enable ? 1 : 0);
1108 qed_wr(p_hwfn,
1109 p_ptt, DORQ_REG_L2_EDPM_TUNNEL_GRE_IP_EN, ip_gre_enable ? 1 : 0);
1110 }
1111
qed_set_geneve_dest_port(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 dest_port)1112 void qed_set_geneve_dest_port(struct qed_hwfn *p_hwfn,
1113 struct qed_ptt *p_ptt, u16 dest_port)
1114 {
1115 /* Update PRS register */
1116 qed_wr(p_hwfn, p_ptt, PRS_REG_NGE_PORT, dest_port);
1117
1118 /* Update NIG register */
1119 qed_wr(p_hwfn, p_ptt, NIG_REG_NGE_PORT, dest_port);
1120
1121 /* Update PBF register */
1122 qed_wr(p_hwfn, p_ptt, PBF_REG_NGE_PORT, dest_port);
1123 }
1124
qed_set_geneve_enable(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool eth_geneve_enable,bool ip_geneve_enable)1125 void qed_set_geneve_enable(struct qed_hwfn *p_hwfn,
1126 struct qed_ptt *p_ptt,
1127 bool eth_geneve_enable, bool ip_geneve_enable)
1128 {
1129 u32 reg_val;
1130 u8 shift;
1131
1132 /* Update PRS register */
1133 reg_val = qed_rd(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN);
1134 shift = PRS_REG_ENCAPSULATION_TYPE_EN_ETH_OVER_GENEVE_ENABLE_SHIFT;
1135 SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, eth_geneve_enable);
1136 shift = PRS_REG_ENCAPSULATION_TYPE_EN_IP_OVER_GENEVE_ENABLE_SHIFT;
1137 SET_TUNNEL_TYPE_ENABLE_BIT(reg_val, shift, ip_geneve_enable);
1138 qed_wr(p_hwfn, p_ptt, PRS_REG_ENCAPSULATION_TYPE_EN, reg_val);
1139 if (reg_val) {
1140 reg_val =
1141 qed_rd(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2);
1142
1143 /* Update output only if tunnel blocks not included. */
1144 if (reg_val == (u32)PRS_ETH_OUTPUT_FORMAT)
1145 qed_wr(p_hwfn, p_ptt, PRS_REG_OUTPUT_FORMAT_4_0_BB_K2,
1146 (u32)PRS_ETH_TUNN_OUTPUT_FORMAT);
1147 }
1148
1149 /* Update NIG register */
1150 qed_wr(p_hwfn, p_ptt, NIG_REG_NGE_ETH_ENABLE,
1151 eth_geneve_enable ? 1 : 0);
1152 qed_wr(p_hwfn, p_ptt, NIG_REG_NGE_IP_ENABLE, ip_geneve_enable ? 1 : 0);
1153
1154 /* EDPM with geneve tunnel not supported in BB */
1155 if (QED_IS_BB_B0(p_hwfn->cdev))
1156 return;
1157
1158 /* Update DORQ registers */
1159 qed_wr(p_hwfn,
1160 p_ptt,
1161 DORQ_REG_L2_EDPM_TUNNEL_NGE_ETH_EN_K2_E5,
1162 eth_geneve_enable ? 1 : 0);
1163 qed_wr(p_hwfn,
1164 p_ptt,
1165 DORQ_REG_L2_EDPM_TUNNEL_NGE_IP_EN_K2_E5,
1166 ip_geneve_enable ? 1 : 0);
1167 }
1168
1169 #define PRS_ETH_VXLAN_NO_L2_ENABLE_OFFSET 4
1170 #define PRS_ETH_VXLAN_NO_L2_OUTPUT_FORMAT -927094512
1171
qed_set_vxlan_no_l2_enable(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,bool enable)1172 void qed_set_vxlan_no_l2_enable(struct qed_hwfn *p_hwfn,
1173 struct qed_ptt *p_ptt, bool enable)
1174 {
1175 u32 reg_val, cfg_mask;
1176
1177 /* read PRS config register */
1178 reg_val = qed_rd(p_hwfn, p_ptt, PRS_REG_MSG_INFO);
1179
1180 /* set VXLAN_NO_L2_ENABLE mask */
1181 cfg_mask = BIT(PRS_ETH_VXLAN_NO_L2_ENABLE_OFFSET);
1182
1183 if (enable) {
1184 /* set VXLAN_NO_L2_ENABLE flag */
1185 reg_val |= cfg_mask;
1186
1187 /* update PRS FIC register */
1188 qed_wr(p_hwfn,
1189 p_ptt,
1190 PRS_REG_OUTPUT_FORMAT_4_0_BB_K2,
1191 (u32)PRS_ETH_VXLAN_NO_L2_OUTPUT_FORMAT);
1192 } else {
1193 /* clear VXLAN_NO_L2_ENABLE flag */
1194 reg_val &= ~cfg_mask;
1195 }
1196
1197 /* write PRS config register */
1198 qed_wr(p_hwfn, p_ptt, PRS_REG_MSG_INFO, reg_val);
1199 }
1200
1201 #define T_ETH_PACKET_ACTION_GFT_EVENTID 23
1202 #define PARSER_ETH_CONN_GFT_ACTION_CM_HDR 272
1203 #define T_ETH_PACKET_MATCH_RFS_EVENTID 25
1204 #define PARSER_ETH_CONN_CM_HDR 0
1205 #define CAM_LINE_SIZE sizeof(u32)
1206 #define RAM_LINE_SIZE sizeof(u64)
1207 #define REG_SIZE sizeof(u32)
1208
qed_gft_disable(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 pf_id)1209 void qed_gft_disable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 pf_id)
1210 {
1211 /* Disable gft search for PF */
1212 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_GFT, 0);
1213
1214 /* Clean ram & cam for next gft session */
1215
1216 /* Zero camline */
1217 qed_wr(p_hwfn, p_ptt, PRS_REG_GFT_CAM + CAM_LINE_SIZE * pf_id, 0);
1218
1219 /* Zero ramline */
1220 qed_wr(p_hwfn,
1221 p_ptt, PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE * pf_id, 0);
1222 qed_wr(p_hwfn,
1223 p_ptt,
1224 PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE * pf_id + REG_SIZE,
1225 0);
1226 }
1227
qed_gft_config(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u16 pf_id,bool tcp,bool udp,bool ipv4,bool ipv6,enum gft_profile_type profile_type)1228 void qed_gft_config(struct qed_hwfn *p_hwfn,
1229 struct qed_ptt *p_ptt,
1230 u16 pf_id,
1231 bool tcp,
1232 bool udp,
1233 bool ipv4, bool ipv6, enum gft_profile_type profile_type)
1234 {
1235 u32 reg_val, cam_line, ram_line_lo, ram_line_hi, search_non_ip_as_gft;
1236
1237 if (!ipv6 && !ipv4)
1238 DP_NOTICE(p_hwfn,
1239 "gft_config: must accept at least on of - ipv4 or ipv6'\n");
1240 if (!tcp && !udp)
1241 DP_NOTICE(p_hwfn,
1242 "gft_config: must accept at least on of - udp or tcp\n");
1243 if (profile_type >= MAX_GFT_PROFILE_TYPE)
1244 DP_NOTICE(p_hwfn, "gft_config: unsupported gft_profile_type\n");
1245
1246 /* Set RFS event ID to be awakened i Tstorm By Prs */
1247 reg_val = T_ETH_PACKET_MATCH_RFS_EVENTID <<
1248 PRS_REG_CM_HDR_GFT_EVENT_ID_SHIFT;
1249 reg_val |= PARSER_ETH_CONN_CM_HDR << PRS_REG_CM_HDR_GFT_CM_HDR_SHIFT;
1250 qed_wr(p_hwfn, p_ptt, PRS_REG_CM_HDR_GFT, reg_val);
1251
1252 /* Do not load context only cid in PRS on match. */
1253 qed_wr(p_hwfn, p_ptt, PRS_REG_LOAD_L2_FILTER, 0);
1254
1255 /* Do not use tenant ID exist bit for gft search */
1256 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TENANT_ID, 0);
1257
1258 /* Set Cam */
1259 cam_line = 0;
1260 SET_FIELD(cam_line, GFT_CAM_LINE_MAPPED_VALID, 1);
1261
1262 /* Filters are per PF!! */
1263 SET_FIELD(cam_line,
1264 GFT_CAM_LINE_MAPPED_PF_ID_MASK,
1265 GFT_CAM_LINE_MAPPED_PF_ID_MASK_MASK);
1266 SET_FIELD(cam_line, GFT_CAM_LINE_MAPPED_PF_ID, pf_id);
1267
1268 if (!(tcp && udp)) {
1269 SET_FIELD(cam_line,
1270 GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE_MASK,
1271 GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE_MASK_MASK);
1272 if (tcp)
1273 SET_FIELD(cam_line,
1274 GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE,
1275 GFT_PROFILE_TCP_PROTOCOL);
1276 else
1277 SET_FIELD(cam_line,
1278 GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE,
1279 GFT_PROFILE_UDP_PROTOCOL);
1280 }
1281
1282 if (!(ipv4 && ipv6)) {
1283 SET_FIELD(cam_line, GFT_CAM_LINE_MAPPED_IP_VERSION_MASK, 1);
1284 if (ipv4)
1285 SET_FIELD(cam_line,
1286 GFT_CAM_LINE_MAPPED_IP_VERSION,
1287 GFT_PROFILE_IPV4);
1288 else
1289 SET_FIELD(cam_line,
1290 GFT_CAM_LINE_MAPPED_IP_VERSION,
1291 GFT_PROFILE_IPV6);
1292 }
1293
1294 /* Write characteristics to cam */
1295 qed_wr(p_hwfn, p_ptt, PRS_REG_GFT_CAM + CAM_LINE_SIZE * pf_id,
1296 cam_line);
1297 cam_line =
1298 qed_rd(p_hwfn, p_ptt, PRS_REG_GFT_CAM + CAM_LINE_SIZE * pf_id);
1299
1300 /* Write line to RAM - compare to filter 4 tuple */
1301 ram_line_lo = 0;
1302 ram_line_hi = 0;
1303
1304 /* Search no IP as GFT */
1305 search_non_ip_as_gft = 0;
1306
1307 /* Tunnel type */
1308 SET_FIELD(ram_line_lo, GFT_RAM_LINE_TUNNEL_DST_PORT, 1);
1309 SET_FIELD(ram_line_lo, GFT_RAM_LINE_TUNNEL_OVER_IP_PROTOCOL, 1);
1310
1311 if (profile_type == GFT_PROFILE_TYPE_4_TUPLE) {
1312 SET_FIELD(ram_line_hi, GFT_RAM_LINE_DST_IP, 1);
1313 SET_FIELD(ram_line_hi, GFT_RAM_LINE_SRC_IP, 1);
1314 SET_FIELD(ram_line_hi, GFT_RAM_LINE_OVER_IP_PROTOCOL, 1);
1315 SET_FIELD(ram_line_lo, GFT_RAM_LINE_ETHERTYPE, 1);
1316 SET_FIELD(ram_line_lo, GFT_RAM_LINE_SRC_PORT, 1);
1317 SET_FIELD(ram_line_lo, GFT_RAM_LINE_DST_PORT, 1);
1318 } else if (profile_type == GFT_PROFILE_TYPE_L4_DST_PORT) {
1319 SET_FIELD(ram_line_hi, GFT_RAM_LINE_OVER_IP_PROTOCOL, 1);
1320 SET_FIELD(ram_line_lo, GFT_RAM_LINE_ETHERTYPE, 1);
1321 SET_FIELD(ram_line_lo, GFT_RAM_LINE_DST_PORT, 1);
1322 } else if (profile_type == GFT_PROFILE_TYPE_IP_DST_ADDR) {
1323 SET_FIELD(ram_line_hi, GFT_RAM_LINE_DST_IP, 1);
1324 SET_FIELD(ram_line_lo, GFT_RAM_LINE_ETHERTYPE, 1);
1325 } else if (profile_type == GFT_PROFILE_TYPE_IP_SRC_ADDR) {
1326 SET_FIELD(ram_line_hi, GFT_RAM_LINE_SRC_IP, 1);
1327 SET_FIELD(ram_line_lo, GFT_RAM_LINE_ETHERTYPE, 1);
1328 } else if (profile_type == GFT_PROFILE_TYPE_TUNNEL_TYPE) {
1329 SET_FIELD(ram_line_lo, GFT_RAM_LINE_TUNNEL_ETHERTYPE, 1);
1330
1331 /* Allow tunneled traffic without inner IP */
1332 search_non_ip_as_gft = 1;
1333 }
1334
1335 qed_wr(p_hwfn,
1336 p_ptt, PRS_REG_SEARCH_NON_IP_AS_GFT, search_non_ip_as_gft);
1337 qed_wr(p_hwfn,
1338 p_ptt,
1339 PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE * pf_id,
1340 ram_line_lo);
1341 qed_wr(p_hwfn,
1342 p_ptt,
1343 PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE * pf_id + REG_SIZE,
1344 ram_line_hi);
1345
1346 /* Set default profile so that no filter match will happen */
1347 qed_wr(p_hwfn,
1348 p_ptt,
1349 PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE *
1350 PRS_GFT_CAM_LINES_NO_MATCH, 0xffffffff);
1351 qed_wr(p_hwfn,
1352 p_ptt,
1353 PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE *
1354 PRS_GFT_CAM_LINES_NO_MATCH + REG_SIZE, 0x3ff);
1355
1356 /* Enable gft search */
1357 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_GFT, 1);
1358 }
1359
1360 DECLARE_CRC8_TABLE(cdu_crc8_table);
1361
1362 /* Calculate and return CDU validation byte per connection type/region/cid */
qed_calc_cdu_validation_byte(u8 conn_type,u8 region,u32 cid)1363 static u8 qed_calc_cdu_validation_byte(u8 conn_type, u8 region, u32 cid)
1364 {
1365 const u8 validation_cfg = CDU_VALIDATION_DEFAULT_CFG;
1366 u8 crc, validation_byte = 0;
1367 static u8 crc8_table_valid; /* automatically initialized to 0 */
1368 u32 validation_string = 0;
1369 u32 data_to_crc;
1370
1371 if (!crc8_table_valid) {
1372 crc8_populate_msb(cdu_crc8_table, 0x07);
1373 crc8_table_valid = 1;
1374 }
1375
1376 /* The CRC is calculated on the String-to-compress:
1377 * [31:8] = {CID[31:20],CID[11:0]}
1378 * [7:4] = Region
1379 * [3:0] = Type
1380 */
1381 if ((validation_cfg >> CDU_CONTEXT_VALIDATION_CFG_USE_CID) & 1)
1382 validation_string |= (cid & 0xFFF00000) | ((cid & 0xFFF) << 8);
1383
1384 if ((validation_cfg >> CDU_CONTEXT_VALIDATION_CFG_USE_REGION) & 1)
1385 validation_string |= ((region & 0xF) << 4);
1386
1387 if ((validation_cfg >> CDU_CONTEXT_VALIDATION_CFG_USE_TYPE) & 1)
1388 validation_string |= (conn_type & 0xF);
1389
1390 /* Convert to big-endian and calculate CRC8 */
1391 data_to_crc = be32_to_cpu(validation_string);
1392
1393 crc = crc8(cdu_crc8_table,
1394 (u8 *)&data_to_crc, sizeof(data_to_crc), CRC8_INIT_VALUE);
1395
1396 /* The validation byte [7:0] is composed:
1397 * for type A validation
1398 * [7] = active configuration bit
1399 * [6:0] = crc[6:0]
1400 *
1401 * for type B validation
1402 * [7] = active configuration bit
1403 * [6:3] = connection_type[3:0]
1404 * [2:0] = crc[2:0]
1405 */
1406 validation_byte |=
1407 ((validation_cfg >>
1408 CDU_CONTEXT_VALIDATION_CFG_USE_ACTIVE) & 1) << 7;
1409
1410 if ((validation_cfg >>
1411 CDU_CONTEXT_VALIDATION_CFG_VALIDATION_TYPE_SHIFT) & 1)
1412 validation_byte |= ((conn_type & 0xF) << 3) | (crc & 0x7);
1413 else
1414 validation_byte |= crc & 0x7F;
1415
1416 return validation_byte;
1417 }
1418
1419 /* Calcualte and set validation bytes for session context */
qed_calc_session_ctx_validation(void * p_ctx_mem,u16 ctx_size,u8 ctx_type,u32 cid)1420 void qed_calc_session_ctx_validation(void *p_ctx_mem,
1421 u16 ctx_size, u8 ctx_type, u32 cid)
1422 {
1423 u8 *x_val_ptr, *t_val_ptr, *u_val_ptr, *p_ctx;
1424
1425 p_ctx = (u8 * const)p_ctx_mem;
1426 x_val_ptr = &p_ctx[con_region_offsets[0][ctx_type]];
1427 t_val_ptr = &p_ctx[con_region_offsets[1][ctx_type]];
1428 u_val_ptr = &p_ctx[con_region_offsets[2][ctx_type]];
1429
1430 memset(p_ctx, 0, ctx_size);
1431
1432 *x_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 3, cid);
1433 *t_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 4, cid);
1434 *u_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 5, cid);
1435 }
1436
1437 /* Calcualte and set validation bytes for task context */
qed_calc_task_ctx_validation(void * p_ctx_mem,u16 ctx_size,u8 ctx_type,u32 tid)1438 void qed_calc_task_ctx_validation(void *p_ctx_mem,
1439 u16 ctx_size, u8 ctx_type, u32 tid)
1440 {
1441 u8 *p_ctx, *region1_val_ptr;
1442
1443 p_ctx = (u8 * const)p_ctx_mem;
1444 region1_val_ptr = &p_ctx[task_region_offsets[0][ctx_type]];
1445
1446 memset(p_ctx, 0, ctx_size);
1447
1448 *region1_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 1, tid);
1449 }
1450
1451 /* Memset session context to 0 while preserving validation bytes */
qed_memset_session_ctx(void * p_ctx_mem,u32 ctx_size,u8 ctx_type)1452 void qed_memset_session_ctx(void *p_ctx_mem, u32 ctx_size, u8 ctx_type)
1453 {
1454 u8 *x_val_ptr, *t_val_ptr, *u_val_ptr, *p_ctx;
1455 u8 x_val, t_val, u_val;
1456
1457 p_ctx = (u8 * const)p_ctx_mem;
1458 x_val_ptr = &p_ctx[con_region_offsets[0][ctx_type]];
1459 t_val_ptr = &p_ctx[con_region_offsets[1][ctx_type]];
1460 u_val_ptr = &p_ctx[con_region_offsets[2][ctx_type]];
1461
1462 x_val = *x_val_ptr;
1463 t_val = *t_val_ptr;
1464 u_val = *u_val_ptr;
1465
1466 memset(p_ctx, 0, ctx_size);
1467
1468 *x_val_ptr = x_val;
1469 *t_val_ptr = t_val;
1470 *u_val_ptr = u_val;
1471 }
1472
1473 /* Memset task context to 0 while preserving validation bytes */
qed_memset_task_ctx(void * p_ctx_mem,u32 ctx_size,u8 ctx_type)1474 void qed_memset_task_ctx(void *p_ctx_mem, u32 ctx_size, u8 ctx_type)
1475 {
1476 u8 *p_ctx, *region1_val_ptr;
1477 u8 region1_val;
1478
1479 p_ctx = (u8 * const)p_ctx_mem;
1480 region1_val_ptr = &p_ctx[task_region_offsets[0][ctx_type]];
1481
1482 region1_val = *region1_val_ptr;
1483
1484 memset(p_ctx, 0, ctx_size);
1485
1486 *region1_val_ptr = region1_val;
1487 }
1488
1489 /* Enable and configure context validation */
qed_enable_context_validation(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt)1490 void qed_enable_context_validation(struct qed_hwfn *p_hwfn,
1491 struct qed_ptt *p_ptt)
1492 {
1493 u32 ctx_validation;
1494
1495 /* Enable validation for connection region 3: CCFC_CTX_VALID0[31:24] */
1496 ctx_validation = CDU_VALIDATION_DEFAULT_CFG << 24;
1497 qed_wr(p_hwfn, p_ptt, CDU_REG_CCFC_CTX_VALID0, ctx_validation);
1498
1499 /* Enable validation for connection region 5: CCFC_CTX_VALID1[15:8] */
1500 ctx_validation = CDU_VALIDATION_DEFAULT_CFG << 8;
1501 qed_wr(p_hwfn, p_ptt, CDU_REG_CCFC_CTX_VALID1, ctx_validation);
1502
1503 /* Enable validation for connection region 1: TCFC_CTX_VALID0[15:8] */
1504 ctx_validation = CDU_VALIDATION_DEFAULT_CFG << 8;
1505 qed_wr(p_hwfn, p_ptt, CDU_REG_TCFC_CTX_VALID0, ctx_validation);
1506 }
1507
qed_get_rdma_assert_ram_addr(struct qed_hwfn * p_hwfn,u8 storm_id)1508 static u32 qed_get_rdma_assert_ram_addr(struct qed_hwfn *p_hwfn, u8 storm_id)
1509 {
1510 switch (storm_id) {
1511 case 0:
1512 return TSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1513 TSTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1514 case 1:
1515 return MSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1516 MSTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1517 case 2:
1518 return USEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1519 USTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1520 case 3:
1521 return XSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1522 XSTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1523 case 4:
1524 return YSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1525 YSTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1526 case 5:
1527 return PSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
1528 PSTORM_RDMA_ASSERT_LEVEL_OFFSET(p_hwfn->rel_pf_id);
1529
1530 default:
1531 return 0;
1532 }
1533 }
1534
qed_set_rdma_error_level(struct qed_hwfn * p_hwfn,struct qed_ptt * p_ptt,u8 assert_level[NUM_STORMS])1535 void qed_set_rdma_error_level(struct qed_hwfn *p_hwfn,
1536 struct qed_ptt *p_ptt,
1537 u8 assert_level[NUM_STORMS])
1538 {
1539 u8 storm_id;
1540
1541 for (storm_id = 0; storm_id < NUM_STORMS; storm_id++) {
1542 u32 ram_addr = qed_get_rdma_assert_ram_addr(p_hwfn, storm_id);
1543
1544 qed_wr(p_hwfn, p_ptt, ram_addr, assert_level[storm_id]);
1545 }
1546 }
1547
