/
vxge_config.c
1834 lines (1465 loc) · 46.3 KB
/
vxge_config.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* vxge-config.c: iPXE driver for Neterion Inc's X3100 Series 10GbE PCIe I/O
* Virtualized Server Adapter.
*
* Copyright(c) 2002-2010 Neterion Inc.
*
* This software may be used and distributed according to the terms of
* the GNU General Public License (GPL), incorporated herein by
* reference. Drivers based on or derived from this code fall under
* the GPL and must retain the authorship, copyright and license
* notice.
*
*/
FILE_LICENCE(GPL2_ONLY);
#include <stdlib.h>
#include <stdio.h>
#include <ipxe/malloc.h>
#include <ipxe/iobuf.h>
#include <byteswap.h>
#include "vxge_traffic.h"
#include "vxge_config.h"
#include "vxge_main.h"
void
vxge_hw_vpath_set_zero_rx_frm_len(struct __vxge_hw_device *hldev)
{
u64 val64;
struct __vxge_hw_virtualpath *vpath;
struct vxge_hw_vpath_reg __iomem *vp_reg;
vpath = &hldev->virtual_path;
vp_reg = vpath->vp_reg;
val64 = readq(&vp_reg->rxmac_vcfg0);
val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff);
writeq(val64, &vp_reg->rxmac_vcfg0);
val64 = readq(&vp_reg->rxmac_vcfg0);
return;
}
enum vxge_hw_status
vxge_hw_set_fw_api(struct __vxge_hw_device *hldev,
u64 vp_id,
u32 action,
u32 offset,
u64 data0,
u64 data1)
{
enum vxge_hw_status status = VXGE_HW_OK;
u64 val64;
u32 fw_memo = VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO;
struct vxge_hw_vpath_reg __iomem *vp_reg;
vp_reg = (struct vxge_hw_vpath_reg __iomem *)hldev->vpath_reg[vp_id];
writeq(data0, &vp_reg->rts_access_steer_data0);
writeq(data1, &vp_reg->rts_access_steer_data1);
wmb();
val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(action) |
VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(fw_memo) |
VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(offset) |
VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE;
writeq(val64, &vp_reg->rts_access_steer_ctrl);
wmb();
status = __vxge_hw_device_register_poll(
&vp_reg->rts_access_steer_ctrl,
VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
WAIT_FACTOR *
VXGE_HW_DEF_DEVICE_POLL_MILLIS);
if (status != VXGE_HW_OK)
return VXGE_HW_FAIL;
val64 = readq(&vp_reg->rts_access_steer_ctrl);
if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS)
status = VXGE_HW_OK;
else
status = VXGE_HW_FAIL;
return status;
}
/* Get function mode */
enum vxge_hw_status
vxge_hw_get_func_mode(struct __vxge_hw_device *hldev, u32 *func_mode)
{
enum vxge_hw_status status = VXGE_HW_OK;
struct vxge_hw_vpath_reg __iomem *vp_reg;
u64 val64;
int vp_id;
/* get the first vpath number assigned to this function */
vp_id = hldev->first_vp_id;
vp_reg = (struct vxge_hw_vpath_reg __iomem *)hldev->vpath_reg[vp_id];
status = vxge_hw_set_fw_api(hldev, vp_id,
VXGE_HW_FW_API_GET_FUNC_MODE, 0, 0, 0);
if (status == VXGE_HW_OK) {
val64 = readq(&vp_reg->rts_access_steer_data0);
*func_mode = VXGE_HW_GET_FUNC_MODE_VAL(val64);
}
return status;
}
/*
* __vxge_hw_device_pci_e_init
* Initialize certain PCI/PCI-X configuration registers
* with recommended values. Save config space for future hw resets.
*/
void
__vxge_hw_device_pci_e_init(struct __vxge_hw_device *hldev)
{
u16 cmd = 0;
struct pci_device *pdev = hldev->pdev;
vxge_trace();
/* Set the PErr Repconse bit and SERR in PCI command register. */
pci_read_config_word(pdev, PCI_COMMAND, &cmd);
cmd |= 0x140;
pci_write_config_word(pdev, PCI_COMMAND, cmd);
return;
}
/*
* __vxge_hw_device_register_poll
* Will poll certain register for specified amount of time.
* Will poll until masked bit is not cleared.
*/
enum vxge_hw_status
__vxge_hw_device_register_poll(void __iomem *reg, u64 mask, u32 max_millis)
{
u64 val64;
u32 i = 0;
enum vxge_hw_status ret = VXGE_HW_FAIL;
udelay(10);
do {
val64 = readq(reg);
if (!(val64 & mask))
return VXGE_HW_OK;
udelay(100);
} while (++i <= 9);
i = 0;
do {
val64 = readq(reg);
if (!(val64 & mask))
return VXGE_HW_OK;
udelay(1000);
} while (++i <= max_millis);
return ret;
}
/* __vxge_hw_device_vpath_reset_in_prog_check - Check if vpath reset
* in progress
* This routine checks the vpath reset in progress register is turned zero
*/
enum vxge_hw_status
__vxge_hw_device_vpath_reset_in_prog_check(u64 __iomem *vpath_rst_in_prog)
{
enum vxge_hw_status status;
vxge_trace();
status = __vxge_hw_device_register_poll(vpath_rst_in_prog,
VXGE_HW_VPATH_RST_IN_PROG_VPATH_RST_IN_PROG(0x1ffff),
VXGE_HW_DEF_DEVICE_POLL_MILLIS);
return status;
}
/*
* __vxge_hw_device_toc_get
* This routine sets the swapper and reads the toc pointer and returns the
* memory mapped address of the toc
*/
struct vxge_hw_toc_reg __iomem *
__vxge_hw_device_toc_get(void __iomem *bar0)
{
u64 val64;
struct vxge_hw_toc_reg __iomem *toc = NULL;
enum vxge_hw_status status;
struct vxge_hw_legacy_reg __iomem *legacy_reg =
(struct vxge_hw_legacy_reg __iomem *)bar0;
status = __vxge_hw_legacy_swapper_set(legacy_reg);
if (status != VXGE_HW_OK)
goto exit;
val64 = readq(&legacy_reg->toc_first_pointer);
toc = (struct vxge_hw_toc_reg __iomem *)(bar0+val64);
exit:
return toc;
}
/*
* __vxge_hw_device_reg_addr_get
* This routine sets the swapper and reads the toc pointer and initializes the
* register location pointers in the device object. It waits until the ric is
* completed initializing registers.
*/
enum vxge_hw_status
__vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev)
{
u64 val64;
u32 i;
enum vxge_hw_status status = VXGE_HW_OK;
hldev->legacy_reg = (struct vxge_hw_legacy_reg __iomem *)hldev->bar0;
hldev->toc_reg = __vxge_hw_device_toc_get(hldev->bar0);
if (hldev->toc_reg == NULL) {
status = VXGE_HW_FAIL;
goto exit;
}
val64 = readq(&hldev->toc_reg->toc_common_pointer);
hldev->common_reg =
(struct vxge_hw_common_reg __iomem *)(hldev->bar0 + val64);
val64 = readq(&hldev->toc_reg->toc_mrpcim_pointer);
hldev->mrpcim_reg =
(struct vxge_hw_mrpcim_reg __iomem *)(hldev->bar0 + val64);
for (i = 0; i < VXGE_HW_TITAN_SRPCIM_REG_SPACES; i++) {
val64 = readq(&hldev->toc_reg->toc_srpcim_pointer[i]);
hldev->srpcim_reg[i] =
(struct vxge_hw_srpcim_reg __iomem *)
(hldev->bar0 + val64);
}
for (i = 0; i < VXGE_HW_TITAN_VPMGMT_REG_SPACES; i++) {
val64 = readq(&hldev->toc_reg->toc_vpmgmt_pointer[i]);
hldev->vpmgmt_reg[i] =
(struct vxge_hw_vpmgmt_reg __iomem *)(hldev->bar0 + val64);
}
for (i = 0; i < VXGE_HW_TITAN_VPATH_REG_SPACES; i++) {
val64 = readq(&hldev->toc_reg->toc_vpath_pointer[i]);
hldev->vpath_reg[i] =
(struct vxge_hw_vpath_reg __iomem *)
(hldev->bar0 + val64);
}
val64 = readq(&hldev->toc_reg->toc_kdfc);
switch (VXGE_HW_TOC_GET_KDFC_INITIAL_BIR(val64)) {
case 0:
hldev->kdfc = (u8 __iomem *)(hldev->bar0 +
VXGE_HW_TOC_GET_KDFC_INITIAL_OFFSET(val64));
break;
default:
break;
}
status = __vxge_hw_device_vpath_reset_in_prog_check(
(u64 __iomem *)&hldev->common_reg->vpath_rst_in_prog);
exit:
return status;
}
/*
* __vxge_hw_device_access_rights_get: Get Access Rights of the driver
* This routine returns the Access Rights of the driver
*/
static u32
__vxge_hw_device_access_rights_get(u32 host_type, u32 func_id)
{
u32 access_rights = VXGE_HW_DEVICE_ACCESS_RIGHT_VPATH;
switch (host_type) {
case VXGE_HW_NO_MR_NO_SR_NORMAL_FUNCTION:
if (func_id == 0) {
access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM |
VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM;
}
break;
case VXGE_HW_MR_NO_SR_VH0_BASE_FUNCTION:
access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM |
VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM;
break;
case VXGE_HW_NO_MR_SR_VH0_FUNCTION0:
access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM |
VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM;
break;
case VXGE_HW_NO_MR_SR_VH0_VIRTUAL_FUNCTION:
case VXGE_HW_SR_VH_VIRTUAL_FUNCTION:
case VXGE_HW_MR_SR_VH0_INVALID_CONFIG:
break;
case VXGE_HW_SR_VH_FUNCTION0:
case VXGE_HW_VH_NORMAL_FUNCTION:
access_rights |= VXGE_HW_DEVICE_ACCESS_RIGHT_SRPCIM;
break;
}
return access_rights;
}
/*
* __vxge_hw_device_host_info_get
* This routine returns the host type assignments
*/
void __vxge_hw_device_host_info_get(struct __vxge_hw_device *hldev)
{
u64 val64;
u32 i;
val64 = readq(&hldev->common_reg->host_type_assignments);
hldev->host_type =
(u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64);
hldev->vpath_assignments = readq(&hldev->common_reg->vpath_assignments);
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
if (!(hldev->vpath_assignments & vxge_mBIT(i)))
continue;
hldev->func_id =
__vxge_hw_vpath_func_id_get(hldev->vpmgmt_reg[i]);
hldev->access_rights = __vxge_hw_device_access_rights_get(
hldev->host_type, hldev->func_id);
hldev->first_vp_id = i;
break;
}
return;
}
/**
* vxge_hw_device_hw_info_get - Get the hw information
* Returns the vpath mask that has the bits set for each vpath allocated
* for the driver, FW version information and the first mac addresse for
* each vpath
*/
enum vxge_hw_status
vxge_hw_device_hw_info_get(void __iomem *bar0,
struct vxge_hw_device_hw_info *hw_info)
{
u32 i;
u64 val64;
struct vxge_hw_toc_reg __iomem *toc;
struct vxge_hw_mrpcim_reg __iomem *mrpcim_reg;
struct vxge_hw_common_reg __iomem *common_reg;
struct vxge_hw_vpath_reg __iomem *vpath_reg;
struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg;
enum vxge_hw_status status;
vxge_trace();
memset(hw_info, 0, sizeof(struct vxge_hw_device_hw_info));
toc = __vxge_hw_device_toc_get(bar0);
if (toc == NULL) {
status = VXGE_HW_ERR_CRITICAL;
goto exit;
}
val64 = readq(&toc->toc_common_pointer);
common_reg = (struct vxge_hw_common_reg __iomem *)(bar0 + val64);
status = __vxge_hw_device_vpath_reset_in_prog_check(
(u64 __iomem *)&common_reg->vpath_rst_in_prog);
if (status != VXGE_HW_OK)
goto exit;
hw_info->vpath_mask = readq(&common_reg->vpath_assignments);
val64 = readq(&common_reg->host_type_assignments);
hw_info->host_type =
(u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64);
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
if (!((hw_info->vpath_mask) & vxge_mBIT(i)))
continue;
val64 = readq(&toc->toc_vpmgmt_pointer[i]);
vpmgmt_reg = (struct vxge_hw_vpmgmt_reg __iomem *)
(bar0 + val64);
hw_info->func_id = __vxge_hw_vpath_func_id_get(vpmgmt_reg);
if (__vxge_hw_device_access_rights_get(hw_info->host_type,
hw_info->func_id) &
VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM) {
val64 = readq(&toc->toc_mrpcim_pointer);
mrpcim_reg = (struct vxge_hw_mrpcim_reg __iomem *)
(bar0 + val64);
writeq(0, &mrpcim_reg->xgmac_gen_fw_memo_mask);
wmb();
}
val64 = readq(&toc->toc_vpath_pointer[i]);
vpath_reg = (struct vxge_hw_vpath_reg __iomem *)(bar0 + val64);
status = __vxge_hw_vpath_fw_ver_get(vpath_reg, hw_info);
if (status != VXGE_HW_OK)
goto exit;
status = __vxge_hw_vpath_card_info_get(vpath_reg, hw_info);
if (status != VXGE_HW_OK)
goto exit;
break;
}
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
if (!((hw_info->vpath_mask) & vxge_mBIT(i)))
continue;
val64 = readq(&toc->toc_vpath_pointer[i]);
vpath_reg = (struct vxge_hw_vpath_reg __iomem *)(bar0 + val64);
status = __vxge_hw_vpath_addr_get(vpath_reg,
hw_info->mac_addrs[i],
hw_info->mac_addr_masks[i]);
if (status != VXGE_HW_OK)
goto exit;
}
exit:
return status;
}
/*
* vxge_hw_device_initialize - Initialize Titan device.
* Initialize Titan device. Note that all the arguments of this public API
* are 'IN', including @hldev. Driver cooperates with
* OS to find new Titan device, locate its PCI and memory spaces.
*
* When done, the driver allocates sizeof(struct __vxge_hw_device) bytes for HW
* to enable the latter to perform Titan hardware initialization.
*/
enum vxge_hw_status
vxge_hw_device_initialize(
struct __vxge_hw_device **devh,
void *bar0,
struct pci_device *pdev,
u8 titan1)
{
struct __vxge_hw_device *hldev = NULL;
enum vxge_hw_status status = VXGE_HW_OK;
vxge_trace();
hldev = (struct __vxge_hw_device *)
zalloc(sizeof(struct __vxge_hw_device));
if (hldev == NULL) {
vxge_debug(VXGE_ERR, "hldev allocation failed\n");
status = VXGE_HW_ERR_OUT_OF_MEMORY;
goto exit;
}
hldev->magic = VXGE_HW_DEVICE_MAGIC;
hldev->bar0 = bar0;
hldev->pdev = pdev;
hldev->titan1 = titan1;
__vxge_hw_device_pci_e_init(hldev);
status = __vxge_hw_device_reg_addr_get(hldev);
if (status != VXGE_HW_OK) {
vxge_debug(VXGE_ERR, "%s:%d __vxge_hw_device_reg_addr_get "
"failed\n", __func__, __LINE__);
vxge_hw_device_terminate(hldev);
goto exit;
}
__vxge_hw_device_host_info_get(hldev);
*devh = hldev;
exit:
return status;
}
/*
* vxge_hw_device_terminate - Terminate Titan device.
* Terminate HW device.
*/
void
vxge_hw_device_terminate(struct __vxge_hw_device *hldev)
{
vxge_trace();
assert(hldev->magic == VXGE_HW_DEVICE_MAGIC);
hldev->magic = VXGE_HW_DEVICE_DEAD;
free(hldev);
}
/*
*vxge_hw_ring_replenish - Initial replenish of RxDs
* This function replenishes the RxDs from reserve array to work array
*/
enum vxge_hw_status
vxge_hw_ring_replenish(struct __vxge_hw_ring *ring)
{
struct __vxge_hw_device *hldev;
struct vxge_hw_ring_rxd_1 *rxd;
enum vxge_hw_status status = VXGE_HW_OK;
u8 offset = 0;
struct __vxge_hw_ring_block *block;
u8 i, iob_off;
vxge_trace();
hldev = ring->vpathh->hldev;
/*
* We allocate all the dma buffers first and then share the
* these buffers among the all rx descriptors in the block.
*/
for (i = 0; i < ARRAY_SIZE(ring->iobuf); i++) {
ring->iobuf[i] = alloc_iob(VXGE_LL_MAX_FRAME_SIZE(hldev->vdev));
if (!ring->iobuf[i]) {
while (i) {
free_iob(ring->iobuf[--i]);
ring->iobuf[i] = NULL;
}
status = VXGE_HW_ERR_OUT_OF_MEMORY;
goto iobuf_err;
}
}
for (offset = 0; offset < VXGE_HW_MAX_RXDS_PER_BLOCK_1; offset++) {
rxd = &ring->rxdl->rxd[offset];
if (offset == (VXGE_HW_MAX_RXDS_PER_BLOCK_1 - 1))
iob_off = VXGE_HW_RING_BUF_PER_BLOCK;
else
iob_off = offset % ring->buf_per_block;
rxd->control_0 = rxd->control_1 = 0;
vxge_hw_ring_rxd_1b_set(rxd, ring->iobuf[iob_off],
VXGE_LL_MAX_FRAME_SIZE(hldev->vdev));
vxge_hw_ring_rxd_post(ring, rxd);
}
/* linking the block to itself as we use only one rx block*/
block = ring->rxdl;
block->reserved_2_pNext_RxD_block = (unsigned long) block;
block->pNext_RxD_Blk_physical = (u64)virt_to_bus(block);
ring->rxd_offset = 0;
iobuf_err:
return status;
}
/*
* __vxge_hw_ring_create - Create a Ring
* This function creates Ring and initializes it.
*
*/
enum vxge_hw_status
__vxge_hw_ring_create(struct __vxge_hw_virtualpath *vpath,
struct __vxge_hw_ring *ring)
{
enum vxge_hw_status status = VXGE_HW_OK;
struct __vxge_hw_device *hldev;
u32 vp_id;
vxge_trace();
hldev = vpath->hldev;
vp_id = vpath->vp_id;
ring->rxdl = malloc_dma(sizeof(struct __vxge_hw_ring_block),
sizeof(struct __vxge_hw_ring_block));
if (!ring->rxdl) {
vxge_debug(VXGE_ERR, "%s:%d malloc_dma error\n",
__func__, __LINE__);
status = VXGE_HW_ERR_OUT_OF_MEMORY;
goto exit;
}
ring->rxd_offset = 0;
ring->vpathh = vpath;
ring->buf_per_block = VXGE_HW_RING_BUF_PER_BLOCK;
ring->rx_poll_weight = VXGE_HW_RING_RX_POLL_WEIGHT;
ring->vp_id = vp_id;
ring->vp_reg = vpath->vp_reg;
ring->common_reg = hldev->common_reg;
ring->rxd_qword_limit = VXGE_HW_RING_RXD_QWORD_LIMIT;
status = vxge_hw_ring_replenish(ring);
if (status != VXGE_HW_OK) {
__vxge_hw_ring_delete(ring);
goto exit;
}
exit:
return status;
}
/*
* __vxge_hw_ring_delete - Removes the ring
* This function freeup the memory pool and removes the ring
*/
enum vxge_hw_status __vxge_hw_ring_delete(struct __vxge_hw_ring *ring)
{
u8 i;
vxge_trace();
for (i = 0; (i < ARRAY_SIZE(ring->iobuf)) && ring->iobuf[i]; i++) {
free_iob(ring->iobuf[i]);
ring->iobuf[i] = NULL;
}
if (ring->rxdl) {
free_dma(ring->rxdl, sizeof(struct __vxge_hw_ring_block));
ring->rxdl = NULL;
}
ring->rxd_offset = 0;
return VXGE_HW_OK;
}
/*
* _hw_legacy_swapper_set - Set the swapper bits for the legacy secion.
* Set the swapper bits appropriately for the legacy section.
*/
enum vxge_hw_status
__vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg)
{
u64 val64;
enum vxge_hw_status status = VXGE_HW_OK;
vxge_trace();
val64 = readq(&legacy_reg->toc_swapper_fb);
wmb();
switch (val64) {
case VXGE_HW_SWAPPER_INITIAL_VALUE:
return status;
case VXGE_HW_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED:
writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE,
&legacy_reg->pifm_rd_swap_en);
writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE,
&legacy_reg->pifm_rd_flip_en);
writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE,
&legacy_reg->pifm_wr_swap_en);
writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE,
&legacy_reg->pifm_wr_flip_en);
break;
case VXGE_HW_SWAPPER_BYTE_SWAPPED:
writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE,
&legacy_reg->pifm_rd_swap_en);
writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE,
&legacy_reg->pifm_wr_swap_en);
break;
case VXGE_HW_SWAPPER_BIT_FLIPPED:
writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE,
&legacy_reg->pifm_rd_flip_en);
writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE,
&legacy_reg->pifm_wr_flip_en);
break;
}
wmb();
val64 = readq(&legacy_reg->toc_swapper_fb);
if (val64 != VXGE_HW_SWAPPER_INITIAL_VALUE)
status = VXGE_HW_ERR_SWAPPER_CTRL;
return status;
}
/*
* __vxge_hw_vpath_swapper_set - Set the swapper bits for the vpath.
* Set the swapper bits appropriately for the vpath.
*/
enum vxge_hw_status
__vxge_hw_vpath_swapper_set(struct vxge_hw_vpath_reg __iomem *vpath_reg)
{
vxge_trace();
#if (__BYTE_ORDER != __BIG_ENDIAN)
u64 val64;
val64 = readq(&vpath_reg->vpath_general_cfg1);
wmb();
val64 |= VXGE_HW_VPATH_GENERAL_CFG1_CTL_BYTE_SWAPEN;
writeq(val64, &vpath_reg->vpath_general_cfg1);
wmb();
#endif
return VXGE_HW_OK;
}
/*
* __vxge_hw_kdfc_swapper_set - Set the swapper bits for the kdfc.
* Set the swapper bits appropriately for the vpath.
*/
enum vxge_hw_status
__vxge_hw_kdfc_swapper_set(
struct vxge_hw_legacy_reg __iomem *legacy_reg,
struct vxge_hw_vpath_reg __iomem *vpath_reg)
{
u64 val64;
vxge_trace();
val64 = readq(&legacy_reg->pifm_wr_swap_en);
if (val64 == VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE) {
val64 = readq(&vpath_reg->kdfcctl_cfg0);
wmb();
val64 |= VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO0 |
VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO1 |
VXGE_HW_KDFCCTL_CFG0_BYTE_SWAPEN_FIFO2;
writeq(val64, &vpath_reg->kdfcctl_cfg0);
wmb();
}
return VXGE_HW_OK;
}
/*
* vxge_hw_vpath_strip_fcs_check - Check for FCS strip.
*/
enum vxge_hw_status
vxge_hw_vpath_strip_fcs_check(struct __vxge_hw_device *hldev, u64 vpath_mask)
{
struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg;
enum vxge_hw_status status = VXGE_HW_OK;
int i = 0, j = 0;
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
if (!((vpath_mask) & vxge_mBIT(i)))
continue;
vpmgmt_reg = hldev->vpmgmt_reg[i];
for (j = 0; j < VXGE_HW_MAC_MAX_MAC_PORT_ID; j++) {
if (readq(&vpmgmt_reg->rxmac_cfg0_port_vpmgmt_clone[j])
& VXGE_HW_RXMAC_CFG0_PORT_VPMGMT_CLONE_STRIP_FCS)
return VXGE_HW_FAIL;
}
}
return status;
}
/*
* __vxge_hw_fifo_create - Create a FIFO
* This function creates FIFO and initializes it.
*/
enum vxge_hw_status
__vxge_hw_fifo_create(struct __vxge_hw_virtualpath *vpath,
struct __vxge_hw_fifo *fifo)
{
enum vxge_hw_status status = VXGE_HW_OK;
vxge_trace();
fifo->vpathh = vpath;
fifo->depth = VXGE_HW_FIFO_TXD_DEPTH;
fifo->hw_offset = fifo->sw_offset = 0;
fifo->nofl_db = vpath->nofl_db;
fifo->vp_id = vpath->vp_id;
fifo->vp_reg = vpath->vp_reg;
fifo->tx_intr_num = (vpath->vp_id * VXGE_HW_MAX_INTR_PER_VP)
+ VXGE_HW_VPATH_INTR_TX;
fifo->txdl = malloc_dma(sizeof(struct vxge_hw_fifo_txd)
* fifo->depth, fifo->depth);
if (!fifo->txdl) {
vxge_debug(VXGE_ERR, "%s:%d malloc_dma error\n",
__func__, __LINE__);
return VXGE_HW_ERR_OUT_OF_MEMORY;
}
memset(fifo->txdl, 0, sizeof(struct vxge_hw_fifo_txd) * fifo->depth);
return status;
}
/*
* __vxge_hw_fifo_delete - Removes the FIFO
* This function freeup the memory pool and removes the FIFO
*/
enum vxge_hw_status __vxge_hw_fifo_delete(struct __vxge_hw_fifo *fifo)
{
vxge_trace();
if (fifo->txdl)
free_dma(fifo->txdl,
sizeof(struct vxge_hw_fifo_txd) * fifo->depth);
fifo->txdl = NULL;
fifo->hw_offset = fifo->sw_offset = 0;
return VXGE_HW_OK;
}
/*
* __vxge_hw_vpath_pci_read - Read the content of given address
* in pci config space.
* Read from the vpath pci config space.
*/
enum vxge_hw_status
__vxge_hw_vpath_pci_read(struct __vxge_hw_virtualpath *vpath,
u32 phy_func_0, u32 offset, u32 *val)
{
u64 val64;
enum vxge_hw_status status = VXGE_HW_OK;
struct vxge_hw_vpath_reg __iomem *vp_reg = vpath->vp_reg;
val64 = VXGE_HW_PCI_CONFIG_ACCESS_CFG1_ADDRESS(offset);
if (phy_func_0)
val64 |= VXGE_HW_PCI_CONFIG_ACCESS_CFG1_SEL_FUNC0;
writeq(val64, &vp_reg->pci_config_access_cfg1);
wmb();
writeq(VXGE_HW_PCI_CONFIG_ACCESS_CFG2_REQ,
&vp_reg->pci_config_access_cfg2);
wmb();
status = __vxge_hw_device_register_poll(
&vp_reg->pci_config_access_cfg2,
VXGE_HW_INTR_MASK_ALL, VXGE_HW_DEF_DEVICE_POLL_MILLIS);
if (status != VXGE_HW_OK)
goto exit;
val64 = readq(&vp_reg->pci_config_access_status);
if (val64 & VXGE_HW_PCI_CONFIG_ACCESS_STATUS_ACCESS_ERR) {
status = VXGE_HW_FAIL;
*val = 0;
} else
*val = (u32)vxge_bVALn(val64, 32, 32);
exit:
return status;
}
/*
* __vxge_hw_vpath_func_id_get - Get the function id of the vpath.
* Returns the function number of the vpath.
*/
u32
__vxge_hw_vpath_func_id_get(struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg)
{
u64 val64;
val64 = readq(&vpmgmt_reg->vpath_to_func_map_cfg1);
return
(u32)VXGE_HW_VPATH_TO_FUNC_MAP_CFG1_GET_VPATH_TO_FUNC_MAP_CFG1(val64);
}
/*
* __vxge_hw_read_rts_ds - Program RTS steering critieria
*/
static inline void
__vxge_hw_read_rts_ds(struct vxge_hw_vpath_reg __iomem *vpath_reg,
u64 dta_struct_sel)
{
writeq(0, &vpath_reg->rts_access_steer_ctrl);
wmb();
writeq(dta_struct_sel, &vpath_reg->rts_access_steer_data0);
writeq(0, &vpath_reg->rts_access_steer_data1);
wmb();
return;
}
/*
* __vxge_hw_vpath_card_info_get - Get the serial numbers,
* part number and product description.
*/
enum vxge_hw_status
__vxge_hw_vpath_card_info_get(
struct vxge_hw_vpath_reg __iomem *vpath_reg,
struct vxge_hw_device_hw_info *hw_info)
{
u32 i, j;
u64 val64;
u64 data1 = 0ULL;
u64 data2 = 0ULL;
enum vxge_hw_status status = VXGE_HW_OK;
u8 *serial_number = hw_info->serial_number;
u8 *part_number = hw_info->part_number;
u8 *product_desc = hw_info->product_desc;
__vxge_hw_read_rts_ds(vpath_reg,
VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_SERIAL_NUMBER);
val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(
VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) |
VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) |
VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0);
status = __vxge_hw_pio_mem_write64(val64,
&vpath_reg->rts_access_steer_ctrl,
VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
VXGE_HW_DEF_DEVICE_POLL_MILLIS);
if (status != VXGE_HW_OK)
return status;
val64 = readq(&vpath_reg->rts_access_steer_ctrl);
if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
data1 = readq(&vpath_reg->rts_access_steer_data0);
((u64 *)serial_number)[0] = be64_to_cpu(data1);
data2 = readq(&vpath_reg->rts_access_steer_data1);
((u64 *)serial_number)[1] = be64_to_cpu(data2);
status = VXGE_HW_OK;
} else
*serial_number = 0;
__vxge_hw_read_rts_ds(vpath_reg,
VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_PART_NUMBER);
val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(
VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) |
VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) |
VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0);
status = __vxge_hw_pio_mem_write64(val64,
&vpath_reg->rts_access_steer_ctrl,
VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
VXGE_HW_DEF_DEVICE_POLL_MILLIS);
if (status != VXGE_HW_OK)
return status;
val64 = readq(&vpath_reg->rts_access_steer_ctrl);
if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
data1 = readq(&vpath_reg->rts_access_steer_data0);
((u64 *)part_number)[0] = be64_to_cpu(data1);
data2 = readq(&vpath_reg->rts_access_steer_data1);
((u64 *)part_number)[1] = be64_to_cpu(data2);
status = VXGE_HW_OK;
} else
*part_number = 0;
j = 0;
for (i = VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_0;
i <= VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_3; i++) {
__vxge_hw_read_rts_ds(vpath_reg, i);
val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(
VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) |
VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) |
VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0);
status = __vxge_hw_pio_mem_write64(val64,
&vpath_reg->rts_access_steer_ctrl,
VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
VXGE_HW_DEF_DEVICE_POLL_MILLIS);
if (status != VXGE_HW_OK)
return status;
val64 = readq(&vpath_reg->rts_access_steer_ctrl);