1 /***********************license start***************
2 * Copyright (c) 2003-2010 Cavium Inc. ([email protected]). All rights
3 * reserved.
4 *
5 *
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7 * modification, are permitted provided that the following conditions are
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10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * * Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
17
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22
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25 * regulations, and may be subject to export or import regulations in other
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27
28 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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37 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
38 ***********************license end**************************************/
39
40
41
42
43
44
45
46 /**
47 * @file
48 *
49 * Helper Functions for the Configuration Framework
50 *
51 * <hr>$Revision: 0 $<hr>
52 */
53 #ifdef CVMX_BUILD_FOR_LINUX_KERNEL
54 #include <linux/module.h>
55 #include <asm/octeon/cvmx.h>
56 #include <asm/octeon/cvmx-helper.h>
57 #include <asm/octeon/cvmx-helper-util.h>
58 #include <asm/octeon/cvmx-helper-cfg.h>
59 #include <asm/octeon/cvmx-helper-ilk.h>
60 #include <asm/octeon/cvmx-ilk.h>
61 #include <asm/octeon/cvmx-config.h>
62 #else
63 #include "cvmx.h"
64 #include "cvmx-bootmem.h"
65 #include "cvmx-helper.h"
66 #include "cvmx-helper-util.h"
67 #include "cvmx-helper-cfg.h"
68 #include "cvmx-ilk.h"
69 #include "cvmx-helper-ilk.h"
70 #if !defined(__FreeBSD__) || !defined(_KERNEL)
71 #include "cvmx-config.h"
72 #include "executive-config.h"
73 #endif
74 #endif
75
76 #if defined(min)
77 #else
78 #define min( a, b ) ( ( a ) < ( b ) ) ? ( a ) : ( b )
79 #endif
80
81 /* #define CVMX_HELPER_CFG_DEBUG */
82
83 /*
84 * Per physical port
85 */
86 struct cvmx_cfg_port_param {
87 int8_t ccpp_pknd;
88 int8_t ccpp_bpid;
89 int8_t ccpp_pko_port_base;
90 int8_t ccpp_pko_num_ports;
91 uint8_t ccpp_pko_nqueues; /*
92 * When the user explicitly
93 * assigns queues,
94 * cvmx_cfg_pko_nqueue_pool[
95 * ccpp_pko_nqueues ...
96 * ccpp_pko_nqueues +
97 * ccpp_pko_num_ports - 1]
98 * are the numbers of PKO queues
99 * assigned to the PKO ports for
100 * this physical port.
101 */
102 };
103
104 /*
105 * Per pko_port
106 */
107 struct cvmx_cfg_pko_port_param {
108 int16_t ccppp_queue_base;
109 int16_t ccppp_num_queues;
110 };
111
112 /*
113 * A map from pko_port to
114 * interface,
115 * index, and
116 * pko engine id
117 */
118 struct cvmx_cfg_pko_port_map {
119 int16_t ccppl_interface;
120 int16_t ccppl_index;
121 int16_t ccppl_eid;
122 };
123
124 /*
125 * This is for looking up pko_base_port and pko_nport for ipd_port
126 */
127 struct cvmx_cfg_pko_port_pair {
128 int8_t ccppp_base_port;
129 int8_t ccppp_nports;
130 };
131
132 static CVMX_SHARED struct cvmx_cfg_port_param cvmx_cfg_port
133 [CVMX_HELPER_CFG_MAX_IFACE][CVMX_HELPER_CFG_MAX_PORT_PER_IFACE] =
134 {[0 ... CVMX_HELPER_CFG_MAX_IFACE - 1] =
135 {[0 ... CVMX_HELPER_CFG_MAX_PORT_PER_IFACE - 1] =
136 {CVMX_HELPER_CFG_INVALID_VALUE,
137 CVMX_HELPER_CFG_INVALID_VALUE,
138 CVMX_HELPER_CFG_INVALID_VALUE,
139 CVMX_HELPER_CFG_INVALID_VALUE,
140 CVMX_HELPER_CFG_INVALID_VALUE}}};
141
142 /*
143 * Indexed by the pko_port number
144 */
145 static CVMX_SHARED struct cvmx_cfg_pko_port_param cvmx_cfg_pko_port
146 [CVMX_HELPER_CFG_MAX_PKO_PORT] =
147 {[0 ... CVMX_HELPER_CFG_MAX_PKO_PORT - 1] =
148 {CVMX_HELPER_CFG_INVALID_VALUE,
149 CVMX_HELPER_CFG_INVALID_VALUE}};
150
151 static CVMX_SHARED struct cvmx_cfg_pko_port_map cvmx_cfg_pko_port_map
152 [CVMX_HELPER_CFG_MAX_PKO_PORT] =
153 {[0 ... CVMX_HELPER_CFG_MAX_PKO_PORT - 1] =
154 {CVMX_HELPER_CFG_INVALID_VALUE,
155 CVMX_HELPER_CFG_INVALID_VALUE,
156 CVMX_HELPER_CFG_INVALID_VALUE}};
157
158 #ifdef CVMX_ENABLE_PKO_FUNCTIONS
159 /*
160 * This array assists translation from ipd_port to pko_port.
161 * The ``16'' is the rounded value for the 3rd 4-bit value of
162 * ipd_port, used to differentiate ``interfaces.''
163 */
164 static CVMX_SHARED struct cvmx_cfg_pko_port_pair ipd2pko_port_cache[16]
165 [CVMX_HELPER_CFG_MAX_PORT_PER_IFACE] =
166 {[0 ... 15] =
167 {[0 ... CVMX_HELPER_CFG_MAX_PORT_PER_IFACE - 1] =
168 {CVMX_HELPER_CFG_INVALID_VALUE,
169 CVMX_HELPER_CFG_INVALID_VALUE}}};
170
171 #ifdef CVMX_USER_DEFINED_HELPER_CONFIG_INIT
172
173 static CVMX_SHARED int cvmx_cfg_default_pko_nqueues = 1;
174
175 /*
176 * A pool for holding the pko_nqueues for the pko_ports assigned to a
177 * physical port.
178 */
179 static CVMX_SHARED uint8_t cvmx_cfg_pko_nqueue_pool
180 [CVMX_HELPER_CFG_MAX_PKO_QUEUES] =
181 {[0 ... CVMX_HELPER_CFG_MAX_PKO_QUEUES - 1] = 1};
182
183 #endif
184 #endif
185
186 /*
187 * Options
188 *
189 * Each array-elem's intial value is also the option's default value.
190 */
191 static CVMX_SHARED uint64_t cvmx_cfg_opts[CVMX_HELPER_CFG_OPT_MAX] =
192 {[0 ... CVMX_HELPER_CFG_OPT_MAX - 1] = 1};
193
194 /*
195 * MISC
196 */
197 static CVMX_SHARED int cvmx_cfg_max_pko_engines; /* # of PKO DMA engines
198 allocated */
__cvmx_helper_cfg_pknd(int interface,int index)199 int __cvmx_helper_cfg_pknd(int interface, int index)
200 {
201 return cvmx_cfg_port[interface][index].ccpp_pknd;
202 }
203
__cvmx_helper_cfg_bpid(int interface,int index)204 int __cvmx_helper_cfg_bpid(int interface, int index)
205 {
206 return cvmx_cfg_port[interface][index].ccpp_bpid;
207 }
208
__cvmx_helper_cfg_pko_port_base(int interface,int index)209 int __cvmx_helper_cfg_pko_port_base(int interface, int index)
210 {
211 return cvmx_cfg_port[interface][index].ccpp_pko_port_base;
212 }
213
__cvmx_helper_cfg_pko_port_num(int interface,int index)214 int __cvmx_helper_cfg_pko_port_num(int interface, int index)
215 {
216 return cvmx_cfg_port[interface][index].ccpp_pko_num_ports;
217 }
218
__cvmx_helper_cfg_pko_queue_num(int pko_port)219 int __cvmx_helper_cfg_pko_queue_num(int pko_port)
220 {
221 return cvmx_cfg_pko_port[pko_port].ccppp_num_queues;
222 }
223
__cvmx_helper_cfg_pko_queue_base(int pko_port)224 int __cvmx_helper_cfg_pko_queue_base(int pko_port)
225 {
226 return cvmx_cfg_pko_port[pko_port].ccppp_queue_base;
227 }
228
__cvmx_helper_cfg_pko_max_queue(void)229 int __cvmx_helper_cfg_pko_max_queue(void)
230 {
231 int i;
232
233 i = CVMX_HELPER_CFG_MAX_PKO_PORT - 1;
234
235 while (i >= 0)
236 {
237 if (cvmx_cfg_pko_port[i].ccppp_queue_base !=
238 CVMX_HELPER_CFG_INVALID_VALUE)
239 {
240 cvmx_helper_cfg_assert(cvmx_cfg_pko_port[i].ccppp_num_queues > 0);
241 return (cvmx_cfg_pko_port[i].ccppp_queue_base +
242 cvmx_cfg_pko_port[i].ccppp_num_queues);
243 }
244 i --;
245 }
246
247 cvmx_helper_cfg_assert(0); /* shouldn't get here */
248
249 return 0;
250 }
251
__cvmx_helper_cfg_pko_max_engine(void)252 int __cvmx_helper_cfg_pko_max_engine(void)
253 {
254 return cvmx_cfg_max_pko_engines;
255 }
256
cvmx_helper_cfg_opt_set(cvmx_helper_cfg_option_t opt,uint64_t val)257 int cvmx_helper_cfg_opt_set(cvmx_helper_cfg_option_t opt, uint64_t val)
258 {
259 if (opt >= CVMX_HELPER_CFG_OPT_MAX)
260 return -1;
261
262 cvmx_cfg_opts[opt] = val;
263
264 return 0;
265 }
266
cvmx_helper_cfg_opt_get(cvmx_helper_cfg_option_t opt)267 uint64_t cvmx_helper_cfg_opt_get(cvmx_helper_cfg_option_t opt)
268 {
269 if (opt >= CVMX_HELPER_CFG_OPT_MAX)
270 return (uint64_t)CVMX_HELPER_CFG_INVALID_VALUE;
271
272 return cvmx_cfg_opts[opt];
273 }
274
275 #ifdef CVMX_BUILD_FOR_LINUX_KERNEL
276 EXPORT_SYMBOL(__cvmx_helper_cfg_init);
277 EXPORT_SYMBOL(__cvmx_helper_cfg_pknd);
278 EXPORT_SYMBOL(__cvmx_helper_cfg_bpid);
279 EXPORT_SYMBOL(__cvmx_helper_cfg_pko_port_base);
280 EXPORT_SYMBOL(__cvmx_helper_cfg_pko_port_num);
281 EXPORT_SYMBOL(__cvmx_helper_cfg_pko_queue_base);
282 EXPORT_SYMBOL(__cvmx_helper_cfg_pko_queue_num);
283 EXPORT_SYMBOL(__cvmx_helper_cfg_pko_max_queue);
284 EXPORT_SYMBOL(__cvmx_helper_cfg_pko_port_interface);
285 EXPORT_SYMBOL(__cvmx_helper_cfg_pko_port_index);
286 EXPORT_SYMBOL(__cvmx_helper_cfg_pko_port_eid);
287 EXPORT_SYMBOL(__cvmx_helper_cfg_pko_max_engine);
288 EXPORT_SYMBOL(cvmx_helper_cfg_opt_get);
289 EXPORT_SYMBOL(cvmx_helper_cfg_opt_set);
290 EXPORT_SYMBOL(cvmx_helper_cfg_ipd2pko_port_base);
291 EXPORT_SYMBOL(cvmx_helper_cfg_ipd2pko_port_num);
292 #endif
293
294 #ifdef CVMX_ENABLE_HELPER_FUNCTIONS
295
296 #ifdef CVMX_HELPER_CFG_DEBUG
cvmx_helper_cfg_show_cfg(void)297 void cvmx_helper_cfg_show_cfg(void)
298 {
299 int i, j;
300
301 for (i = 0; i < cvmx_helper_get_number_of_interfaces(); i++)
302 {
303 cvmx_dprintf(
304 "cvmx_helper_cfg_show_cfg: interface%d mode %10s nports%4d\n", i,
305 cvmx_helper_interface_mode_to_string(cvmx_helper_interface_get_mode(i)),
306 cvmx_helper_interface_enumerate(i));
307
308 for (j = 0; j < cvmx_helper_interface_enumerate(i); j++)
309 {
310 cvmx_dprintf("\tpknd[%i][%d]%d", i, j,
311 __cvmx_helper_cfg_pknd(i, j));
312 cvmx_dprintf(" pko_port_base[%i][%d]%d", i, j,
313 __cvmx_helper_cfg_pko_port_base(i, j));
314 cvmx_dprintf(" pko_port_num[%i][%d]%d\n", i, j,
315 __cvmx_helper_cfg_pko_port_num(i, j));
316 }
317 }
318
319 for (i = 0; i < CVMX_HELPER_CFG_MAX_PKO_PORT; i++)
320 {
321 if (__cvmx_helper_cfg_pko_queue_base(i) !=
322 CVMX_HELPER_CFG_INVALID_VALUE)
323 {
324 cvmx_dprintf("cvmx_helper_cfg_show_cfg: pko_port%d qbase%d nqueues%d "
325 "interface%d index%d\n", i,
326 __cvmx_helper_cfg_pko_queue_base(i),
327 __cvmx_helper_cfg_pko_queue_num(i),
328 __cvmx_helper_cfg_pko_port_interface(i),
329 __cvmx_helper_cfg_pko_port_index(i));
330 }
331 }
332 }
333 #endif
334
335 /*
336 * initialize cvmx_cfg_pko_port_map
337 */
cvmx_helper_cfg_init_pko_port_map(void)338 static void cvmx_helper_cfg_init_pko_port_map(void)
339 {
340 int i, j, k;
341 int pko_eid;
342 int pko_port_base, pko_port_max;
343 cvmx_helper_interface_mode_t mode;
344
345 /*
346 * one pko_eid is allocated to each port except for ILK, NPI, and
347 * LOOP. Each of the three has one eid.
348 */
349 pko_eid = 0;
350 for (i = 0; i < cvmx_helper_get_number_of_interfaces(); i++)
351 {
352 mode = cvmx_helper_interface_get_mode(i);
353 for (j = 0; j < cvmx_helper_interface_enumerate(i); j++)
354 {
355 pko_port_base = cvmx_cfg_port[i][j].ccpp_pko_port_base;
356 pko_port_max = pko_port_base +
357 cvmx_cfg_port[i][j].ccpp_pko_num_ports;
358 cvmx_helper_cfg_assert(pko_port_base !=
359 CVMX_HELPER_CFG_INVALID_VALUE);
360 cvmx_helper_cfg_assert(pko_port_max >= pko_port_base);
361 for (k = pko_port_base; k < pko_port_max; k++)
362 {
363 cvmx_cfg_pko_port_map[k].ccppl_interface = i;
364 cvmx_cfg_pko_port_map[k].ccppl_index = j;
365 cvmx_cfg_pko_port_map[k].ccppl_eid = pko_eid;
366 }
367
368 #if 0
369 /*
370 * For a physical port that is not configured a PKO port,
371 * pko_port_base here equals to pko_port_max. In this
372 * case, the physical port does not take a DMA engine.
373 */
374 if (pko_port_base > pko_port_max)
375 #endif
376 if (!(mode == CVMX_HELPER_INTERFACE_MODE_NPI ||
377 mode == CVMX_HELPER_INTERFACE_MODE_LOOP ||
378 mode == CVMX_HELPER_INTERFACE_MODE_ILK))
379 pko_eid ++;
380 }
381
382 if (mode == CVMX_HELPER_INTERFACE_MODE_NPI ||
383 mode == CVMX_HELPER_INTERFACE_MODE_LOOP ||
384 mode == CVMX_HELPER_INTERFACE_MODE_ILK)
385 pko_eid ++;
386 }
387
388 /*
389 * Legal pko_eids [0, 0x13] should not be exhausted.
390 */
391 cvmx_helper_cfg_assert(pko_eid <= 0x14);
392
393 cvmx_cfg_max_pko_engines = pko_eid;
394 }
395 #endif
396
__cvmx_helper_cfg_pko_port_interface(int pko_port)397 int __cvmx_helper_cfg_pko_port_interface(int pko_port)
398 {
399 return cvmx_cfg_pko_port_map[pko_port].ccppl_interface;
400 }
401
__cvmx_helper_cfg_pko_port_index(int pko_port)402 int __cvmx_helper_cfg_pko_port_index(int pko_port)
403 {
404 return cvmx_cfg_pko_port_map[pko_port].ccppl_index;
405 }
406
__cvmx_helper_cfg_pko_port_eid(int pko_port)407 int __cvmx_helper_cfg_pko_port_eid(int pko_port)
408 {
409 return cvmx_cfg_pko_port_map[pko_port].ccppl_eid;
410 }
411
412 /**
413 * Perform common init tasks for all chips.
414 * @return 1 for the caller to continue init and 0 otherwise.
415 *
416 * Note: ``common'' means this function is executed regardless of
417 * - chip, and
418 * - CVMX_ENABLE_HELPER_FUNCTIONS.
419 *
420 * This function decides based on these conditions if the
421 * configuration stage of the init process should continue.
422 *
423 * This is only meant to be called by __cvmx_helper_cfg_init().
424 */
__cvmx_helper_cfg_init_common(void)425 static int __cvmx_helper_cfg_init_common(void)
426 {
427 int val;
428
429 #ifndef CVMX_ENABLE_HELPER_FUNCTIONS
430 val = 0;
431 #else
432 val = (octeon_has_feature(OCTEON_FEATURE_PKND));
433 #endif
434
435 return val;
436 }
437
438 #define IPD2PKO_CACHE_Y(ipd_port) (ipd_port) >> 8
439 #define IPD2PKO_CACHE_X(ipd_port) (ipd_port) & 0xff
440
441 #ifdef CVMX_ENABLE_PKO_FUNCTIONS
442 /*
443 * ipd_port to pko_port translation cache
444 */
__cvmx_helper_cfg_init_ipd2pko_cache(void)445 static int __cvmx_helper_cfg_init_ipd2pko_cache(void)
446 {
447 int i, j, n;
448 int ipd_y, ipd_x, ipd_port;
449
450 for (i = 0; i < cvmx_helper_get_number_of_interfaces(); i++)
451 {
452 n = cvmx_helper_interface_enumerate(i);
453
454 for (j = 0; j < n; j++)
455 {
456 ipd_port = cvmx_helper_get_ipd_port(i, j);
457 ipd_y = IPD2PKO_CACHE_Y(ipd_port);
458 ipd_x = IPD2PKO_CACHE_X(ipd_port);
459 ipd2pko_port_cache[ipd_y]
460 [(ipd_port & 0x800) ? ((ipd_x >> 4) & 3) : ipd_x] =
461 (struct cvmx_cfg_pko_port_pair)
462 {__cvmx_helper_cfg_pko_port_base(i, j),
463 __cvmx_helper_cfg_pko_port_num(i, j)};
464 }
465 }
466
467 return 0;
468 }
469
cvmx_helper_cfg_ipd2pko_port_base(int ipd_port)470 int cvmx_helper_cfg_ipd2pko_port_base(int ipd_port)
471 {
472 int ipd_y, ipd_x;
473
474 ipd_y = IPD2PKO_CACHE_Y(ipd_port);
475 ipd_x = IPD2PKO_CACHE_X(ipd_port);
476
477 return ipd2pko_port_cache[ipd_y]
478 [(ipd_port & 0x800) ? ((ipd_x >> 4) & 3) : ipd_x].ccppp_base_port;
479 }
480
cvmx_helper_cfg_ipd2pko_port_num(int ipd_port)481 int cvmx_helper_cfg_ipd2pko_port_num(int ipd_port)
482 {
483 int ipd_y, ipd_x;
484
485 ipd_y = IPD2PKO_CACHE_Y(ipd_port);
486 ipd_x = IPD2PKO_CACHE_X(ipd_port);
487
488 return ipd2pko_port_cache[ipd_y]
489 [(ipd_port & 0x800) ? ((ipd_x >> 4) & 3) : ipd_x].ccppp_nports;
490 }
491 #endif
492
493 #ifdef CVMX_ENABLE_HELPER_FUNCTIONS
494 #ifdef CVMX_USER_DEFINED_HELPER_CONFIG_INIT
495 /**
496 * Return the number of queues assigned to this pko_port by user
497 *
498 * @param pko_port
499 * @return the number of queues for this pko_port
500 *
501 * Note: Called after the pko_port map is set up.
502 */
__cvmx_ucfg_nqueues(int pko_port)503 static int __cvmx_ucfg_nqueues(int pko_port)
504 {
505 int interface, index;
506 int i, k;
507
508 interface = __cvmx_helper_cfg_pko_port_interface(pko_port);
509 index = __cvmx_helper_cfg_pko_port_index(pko_port);
510
511 /*
512 * pko_port belongs to no physical port,
513 * don't assign a queue to it.
514 */
515 if (interface == CVMX_HELPER_CFG_INVALID_VALUE ||
516 index == CVMX_HELPER_CFG_INVALID_VALUE)
517 return 0;
518
519 /*
520 * Assign the default number of queues to those pko_ports not
521 * assigned explicitly.
522 */
523 i = cvmx_cfg_port[interface][index].ccpp_pko_nqueues;
524 if (i == (uint8_t)CVMX_HELPER_CFG_INVALID_VALUE)
525 return cvmx_cfg_default_pko_nqueues;
526
527 /*
528 * The user has assigned nqueues to this pko_port,
529 * recorded in the pool.
530 */
531 k = pko_port - cvmx_cfg_port[interface][index].ccpp_pko_port_base;
532 cvmx_helper_cfg_assert(k <
533 cvmx_cfg_port[interface][index].ccpp_pko_num_ports);
534 return cvmx_cfg_pko_nqueue_pool[i + k];
535 }
536
537 #else
538
539 /**
540 * Return the number of queues to be assigned to this pko_port
541 *
542 * @param pko_port
543 * @return the number of queues for this pko_port
544 *
545 * Note: This function exists for backward compatibility.
546 * CVMX_PKO_QUEUES_PER_PORT_XXXX defines no of queues per HW port.
547 * pko_port is equivalent in pre-o68 SDK.
548 */
cvmx_helper_cfg_dft_nqueues(int pko_port)549 static int cvmx_helper_cfg_dft_nqueues(int pko_port)
550 {
551 cvmx_helper_interface_mode_t mode;
552 int interface;
553 int n;
554
555 #ifndef CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE0
556 #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE0 1
557 #endif
558
559 #ifndef CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE1
560 #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE1 1
561 #endif
562
563 #ifndef CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE2
564 #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE2 1
565 #endif
566
567 #ifndef CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE3
568 #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE3 1
569 #endif
570
571 #ifndef CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE4
572 #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE4 1
573 #endif
574
575 n = 1;
576 interface = __cvmx_helper_cfg_pko_port_interface(pko_port);
577 if (interface == 0)
578 {
579 #ifdef CVMX_PKO_QUEUES_PER_PORT_INTERFACE0
580 n = CVMX_PKO_QUEUES_PER_PORT_INTERFACE0;
581 #endif
582 }
583 if (interface == 1)
584 {
585 #ifdef CVMX_PKO_QUEUES_PER_PORT_INTERFACE1
586 n = CVMX_PKO_QUEUES_PER_PORT_INTERFACE1;
587 #endif
588 }
589
590 if (interface == 2)
591 {
592 #ifdef CVMX_PKO_QUEUES_PER_PORT_INTERFACE2
593 n = CVMX_PKO_QUEUES_PER_PORT_INTERFACE2;
594 #endif
595 }
596 if (interface == 3)
597 {
598 #ifdef CVMX_PKO_QUEUES_PER_PORT_INTERFACE3
599 n = CVMX_PKO_QUEUES_PER_PORT_INTERFACE3;
600 #endif
601 }
602 if (interface == 4)
603 {
604 #ifdef CVMX_PKO_QUEUES_PER_PORT_INTERFACE4
605 n = CVMX_PKO_QUEUES_PER_PORT_INTERFACE4;
606 #endif
607 }
608
609 mode = cvmx_helper_interface_get_mode(interface);
610 if (mode == CVMX_HELPER_INTERFACE_MODE_LOOP)
611 {
612 #ifdef CVMX_PKO_QUEUES_PER_PORT_LOOP
613 n = CVMX_PKO_QUEUES_PER_PORT_LOOP;
614 #endif
615 }
616 if (mode == CVMX_HELPER_INTERFACE_MODE_NPI)
617 {
618 #ifdef CVMX_PKO_QUEUES_PER_PORT_PCI
619 n = CVMX_PKO_QUEUES_PER_PORT_PCI;
620 #endif
621 }
622
623 return n;
624 }
625 #endif /* CVMX_USER_DEFINED_HELPER_CONFIG_INIT */
626 #endif /* CVMX_ENABLE_HELPER_FUNCTIONS */
627
__cvmx_helper_cfg_init(void)628 int __cvmx_helper_cfg_init(void)
629 {
630 #ifdef CVMX_ENABLE_HELPER_FUNCTIONS
631 struct cvmx_cfg_port_param *pport;
632 int cvmx_cfg_default_pko_nports;
633 int pknd, bpid, pko_port_base;
634 int qbase;
635 int i, j, n;
636
637 cvmx_cfg_default_pko_nports = 1;
638 #endif
639
640 if (!__cvmx_helper_cfg_init_common())
641 return 0;
642
643 #ifdef CVMX_ENABLE_HELPER_FUNCTIONS
644
645 #ifdef CVMX_USER_DEFINED_HELPER_CONFIG_INIT
646 {
647 int cvmx_ucfg_nq;
648 cvmx_ucfg_nq = 0;
649 #include "cvmx-helper-cfg-init.c"
650 }
651 #endif
652
653 /*
654 * per-port parameters
655 */
656 pknd = 0;
657 bpid = 0;
658 pko_port_base = 0;
659
660 for (i = 0; i < cvmx_helper_get_number_of_interfaces(); i++)
661 {
662 n = cvmx_helper_interface_enumerate(i);
663
664 pport = cvmx_cfg_port[i];
665 for (j = 0; j < n; j++, pport++)
666 {
667 int t;
668
669 t = cvmx_cfg_default_pko_nports;
670 if (pport->ccpp_pko_num_ports != CVMX_HELPER_CFG_INVALID_VALUE)
671 t = pport->ccpp_pko_num_ports;
672
673 *pport = (struct cvmx_cfg_port_param) {
674 pknd++,
675 bpid++,
676 pko_port_base,
677 t,
678 pport->ccpp_pko_nqueues};
679 pko_port_base += t;
680 }
681 }
682
683 cvmx_helper_cfg_assert(pknd <= CVMX_HELPER_CFG_MAX_PIP_PKND);
684 cvmx_helper_cfg_assert(bpid <= CVMX_HELPER_CFG_MAX_PIP_BPID);
685 cvmx_helper_cfg_assert(pko_port_base <= CVMX_HELPER_CFG_MAX_PKO_PORT);
686
687 /*
688 * pko_port map
689 */
690 cvmx_helper_cfg_init_pko_port_map();
691
692 /*
693 * per-pko_port parameters
694 */
695 qbase = 0;
696 for (i = 0; i < pko_port_base; i++)
697 {
698 #ifdef CVMX_USER_DEFINED_HELPER_CONFIG_INIT
699 n = __cvmx_ucfg_nqueues(i);
700 #else
701 n = cvmx_helper_cfg_dft_nqueues(i);
702 #endif
703 cvmx_cfg_pko_port[i] = (struct cvmx_cfg_pko_port_param) {qbase, n};
704 qbase += n;
705 cvmx_helper_cfg_assert(qbase <= CVMX_HELPER_CFG_MAX_PKO_QUEUES);
706 }
707
708 #ifdef CVMX_ENABLE_PKO_FUNCTIONS
709 __cvmx_helper_cfg_init_ipd2pko_cache();
710 #endif
711
712 #ifdef CVMX_HELPER_CFG_DEBUG
713 cvmx_helper_cfg_show_cfg();
714 #endif /* CVMX_HELPER_CFG_DEBUG */
715 #endif
716 return 0;
717 }
718