1#ifndef _IPATH_KERNEL_H
2#define _IPATH_KERNEL_H
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#include <linux/interrupt.h>
42#include <linux/pci.h>
43#include <linux/dma-mapping.h>
44#include <linux/mutex.h>
45#include <linux/list.h>
46#include <linux/scatterlist.h>
47#include <asm/io.h>
48#include <rdma/ib_verbs.h>
49
50#include "ipath_common.h"
51#include "ipath_debug.h"
52#include "ipath_registers.h"
53
54
55#define IPATH_CHIP_VERS_MAJ 2U
56
57
58#define IPATH_CHIP_VERS_MIN 0U
59
60
61extern struct infinipath_stats ipath_stats;
62
63#define IPATH_CHIP_SWVERSION IPATH_CHIP_VERS_MAJ
64
65
66
67
68
69
70#define IPATH_TRAFFIC_ACTIVE_THRESHOLD (2000)
71
72
73
74
75
76
77#define IPATH_EEP_LOG_CNT (4)
78struct ipath_eep_log_mask {
79 u64 errs_to_log;
80 u64 hwerrs_to_log;
81};
82
83struct ipath_portdata {
84 void **port_rcvegrbuf;
85 dma_addr_t *port_rcvegrbuf_phys;
86
87 void *port_rcvhdrq;
88
89 void *port_rcvhdrtail_kvaddr;
90
91
92
93
94 void *port_tid_pg_list;
95
96 wait_queue_head_t port_wait;
97
98
99
100
101 dma_addr_t port_rcvegr_phys;
102
103 dma_addr_t port_rcvhdrq_phys;
104 dma_addr_t port_rcvhdrqtailaddr_phys;
105
106
107
108
109 int port_cnt;
110
111
112
113
114
115 unsigned port_port;
116
117 u16 port_subport_cnt;
118
119 u16 port_subport_id;
120
121 u32 port_piocnt;
122
123 u32 port_pio_base;
124
125 u32 port_piobufs;
126
127 u32 port_rcvegrbuf_chunks;
128
129 u32 port_rcvegrbufs_perchunk;
130
131 size_t port_rcvegrbuf_size;
132
133 size_t port_rcvhdrq_size;
134
135 u32 port_tidcursor;
136
137 unsigned long port_flag;
138
139 unsigned long int_flag;
140
141 u32 port_rcvwait_to;
142
143 u32 port_piowait_to;
144
145 u32 port_rcvnowait;
146
147 u32 port_pionowait;
148
149 u32 port_hdrqfull;
150
151
152
153
154 u32 port_lastrcvhdrqtail;
155
156 u32 port_hdrqfull_poll;
157
158 u32 port_urgent;
159
160 u32 port_urgent_poll;
161
162 struct pid *port_pid;
163 struct pid *port_subpid[INFINIPATH_MAX_SUBPORT];
164
165 char port_comm[16];
166
167 u16 port_pkeys[4];
168
169 struct ipath_devdata *port_dd;
170
171 void *subport_uregbase;
172
173 void *subport_rcvegrbuf;
174
175 void *subport_rcvhdr_base;
176
177 u32 userversion;
178
179 u32 active_slaves;
180
181 u16 poll_type;
182
183 u32 port_head;
184
185 u32 port_seq_cnt;
186};
187
188struct sk_buff;
189struct ipath_sge_state;
190struct ipath_verbs_txreq;
191
192
193
194
195struct _ipath_layer {
196 void *l_arg;
197};
198
199struct ipath_skbinfo {
200 struct sk_buff *skb;
201 dma_addr_t phys;
202};
203
204struct ipath_sdma_txreq {
205 int flags;
206 int sg_count;
207 union {
208 struct scatterlist *sg;
209 void *map_addr;
210 };
211 void (*callback)(void *, int);
212 void *callback_cookie;
213 int callback_status;
214 u16 start_idx;
215 u16 next_descq_idx;
216 struct list_head list;
217};
218
219struct ipath_sdma_desc {
220 __le64 qw[2];
221};
222
223#define IPATH_SDMA_TXREQ_F_USELARGEBUF 0x1
224#define IPATH_SDMA_TXREQ_F_HEADTOHOST 0x2
225#define IPATH_SDMA_TXREQ_F_INTREQ 0x4
226#define IPATH_SDMA_TXREQ_F_FREEBUF 0x8
227#define IPATH_SDMA_TXREQ_F_FREEDESC 0x10
228#define IPATH_SDMA_TXREQ_F_VL15 0x20
229
230#define IPATH_SDMA_TXREQ_S_OK 0
231#define IPATH_SDMA_TXREQ_S_SENDERROR 1
232#define IPATH_SDMA_TXREQ_S_ABORTED 2
233#define IPATH_SDMA_TXREQ_S_SHUTDOWN 3
234
235#define IPATH_SDMA_STATUS_SCORE_BOARD_DRAIN_IN_PROG (1ull << 63)
236#define IPATH_SDMA_STATUS_ABORT_IN_PROG (1ull << 62)
237#define IPATH_SDMA_STATUS_INTERNAL_SDMA_ENABLE (1ull << 61)
238#define IPATH_SDMA_STATUS_SCB_EMPTY (1ull << 30)
239
240
241#define IPATH_SMALLBUF_DWORDS (dd->ipath_piosize2k >> 2)
242
243
244
245
246#define IPATH_IB_CFG_LIDLMC 0
247#define IPATH_IB_CFG_HRTBT 1
248#define IPATH_IB_HRTBT_ON 3
249#define IPATH_IB_HRTBT_OFF 0
250#define IPATH_IB_CFG_LWID_ENB 2
251#define IPATH_IB_CFG_LWID 3
252#define IPATH_IB_CFG_SPD_ENB 4
253#define IPATH_IB_CFG_SPD 5
254#define IPATH_IB_CFG_RXPOL_ENB 6
255#define IPATH_IB_CFG_LREV_ENB 7
256#define IPATH_IB_CFG_LINKLATENCY 8
257
258
259struct ipath_devdata {
260 struct list_head ipath_list;
261
262 struct ipath_kregs const *ipath_kregs;
263 struct ipath_cregs const *ipath_cregs;
264
265
266 u64 __iomem *ipath_kregbase;
267
268 u64 __iomem *ipath_kregend;
269
270 unsigned long ipath_physaddr;
271
272 u64 *ipath_kregalloc;
273
274 struct ipath_portdata **ipath_pd;
275
276 struct ipath_skbinfo *ipath_port0_skbinfo;
277
278 void __iomem *ipath_pio2kbase;
279
280 void __iomem *ipath_pio4kbase;
281
282
283
284
285
286
287
288 volatile __le64 *ipath_pioavailregs_dma;
289
290 dma_addr_t ipath_pioavailregs_phys;
291 struct _ipath_layer ipath_layer;
292
293 int (*ipath_f_intrsetup)(struct ipath_devdata *);
294
295 int (*ipath_f_intr_fallback)(struct ipath_devdata *);
296
297 int (*ipath_f_bus)(struct ipath_devdata *, struct pci_dev *);
298
299 int (*ipath_f_reset)(struct ipath_devdata *);
300 int (*ipath_f_get_boardname)(struct ipath_devdata *, char *,
301 size_t);
302 void (*ipath_f_init_hwerrors)(struct ipath_devdata *);
303 void (*ipath_f_handle_hwerrors)(struct ipath_devdata *, char *,
304 size_t);
305 void (*ipath_f_quiet_serdes)(struct ipath_devdata *);
306 int (*ipath_f_bringup_serdes)(struct ipath_devdata *);
307 int (*ipath_f_early_init)(struct ipath_devdata *);
308 void (*ipath_f_clear_tids)(struct ipath_devdata *, unsigned);
309 void (*ipath_f_put_tid)(struct ipath_devdata *, u64 __iomem*,
310 u32, unsigned long);
311 void (*ipath_f_tidtemplate)(struct ipath_devdata *);
312 void (*ipath_f_cleanup)(struct ipath_devdata *);
313 void (*ipath_f_setextled)(struct ipath_devdata *, u64, u64);
314
315 int (*ipath_f_get_base_info)(struct ipath_portdata *, void *);
316
317 void (*ipath_f_free_irq)(struct ipath_devdata *);
318 struct ipath_message_header *(*ipath_f_get_msgheader)
319 (struct ipath_devdata *, __le32 *);
320 void (*ipath_f_config_ports)(struct ipath_devdata *, ushort);
321 int (*ipath_f_get_ib_cfg)(struct ipath_devdata *, int);
322 int (*ipath_f_set_ib_cfg)(struct ipath_devdata *, int, u32);
323 void (*ipath_f_config_jint)(struct ipath_devdata *, u16 , u16);
324 void (*ipath_f_read_counters)(struct ipath_devdata *,
325 struct infinipath_counters *);
326 void (*ipath_f_xgxs_reset)(struct ipath_devdata *);
327
328 int (*ipath_f_ib_updown)(struct ipath_devdata *, int, u64);
329
330 unsigned ipath_lastegr_idx;
331 struct ipath_ibdev *verbs_dev;
332 struct timer_list verbs_timer;
333
334 u64 ipath_sword;
335
336 u64 ipath_rword;
337
338 u64 ipath_spkts;
339
340 u64 ipath_rpkts;
341
342 u64 _ipath_status;
343
344 __be64 ipath_guid;
345
346
347
348
349 ipath_err_t ipath_lasterror;
350
351
352
353
354 ipath_err_t ipath_lasthwerror;
355
356 ipath_err_t ipath_maskederrs;
357 u64 ipath_lastlinkrecov;
358
359
360
361
362
363
364
365 u64 ibdeltainprog;
366 u64 ibsymdelta;
367 u64 ibsymsnap;
368 u64 iblnkerrdelta;
369 u64 iblnkerrsnap;
370
371
372 unsigned long ipath_unmasktime;
373
374 u64 ipath_last_tidfull;
375
376 u64 ipath_lastport0rcv_cnt;
377
378 u64 ipath_tidtemplate;
379
380 u64 ipath_tidinvalid;
381
382 u64 ipath_rhdrhead_intr_off;
383
384
385 u32 ipath_kregsize;
386
387 u32 ipath_pioavregs;
388
389 u32 ipath_flags;
390
391 u32 ipath_state_wanted;
392
393
394 u32 ipath_lastport_piobuf;
395
396 u32 ipath_stats_timer_active;
397
398 u32 ipath_int_counter;
399
400 u32 ipath_lastsword;
401
402 u32 ipath_lastrword;
403
404 u32 ipath_lastspkts;
405
406 u32 ipath_lastrpkts;
407
408 u32 ipath_pbufsport;
409
410 u32 ipath_ports_extrabuf;
411 u32 ipath_pioupd_thresh;
412
413
414
415
416 u32 ipath_cfgports;
417
418 u32 ipath_p0_hdrqfull;
419
420 u32 ipath_p0_rcvegrcnt;
421
422
423
424
425
426
427
428
429 u32 ipath_lastpioindex;
430 u32 ipath_lastpioindexl;
431
432 u32 ipath_freezelen;
433
434
435
436
437 u32 ipath_consec_nopiobuf;
438
439
440
441
442 u32 ipath_upd_pio_shadow;
443
444 u32 ipath_pcibar0;
445
446 u32 ipath_pcibar1;
447 u32 ipath_x1_fix_tries;
448 u32 ipath_autoneg_tries;
449 u32 serdes_first_init_done;
450
451 struct ipath_relock {
452 atomic_t ipath_relock_timer_active;
453 struct timer_list ipath_relock_timer;
454 unsigned int ipath_relock_interval;
455 } ipath_relock_singleton;
456
457
458 int ipath_irq;
459
460 u16 ipath_vendorid;
461
462 u16 ipath_deviceid;
463
464 u8 ipath_ht_slave_off;
465
466 unsigned long ipath_wc_cookie;
467 unsigned long ipath_wc_base;
468 unsigned long ipath_wc_len;
469
470 atomic_t ipath_pkeyrefs[4];
471
472 struct page **ipath_pageshadow;
473
474 dma_addr_t *ipath_physshadow;
475 u64 __iomem *ipath_egrtidbase;
476
477 spinlock_t ipath_kernel_tid_lock;
478 spinlock_t ipath_user_tid_lock;
479 spinlock_t ipath_sendctrl_lock;
480
481 spinlock_t ipath_uctxt_lock;
482
483
484
485
486
487
488 u64 *ipath_statusp;
489
490 char *ipath_freezemsg;
491
492 struct pci_dev *pcidev;
493 struct cdev *user_cdev;
494 struct cdev *diag_cdev;
495 struct device *user_dev;
496 struct device *diag_dev;
497
498 struct timer_list ipath_stats_timer;
499
500 struct timer_list ipath_intrchk_timer;
501 void *ipath_dummy_hdrq;
502 dma_addr_t ipath_dummy_hdrq_phys;
503
504
505 spinlock_t ipath_sdma_lock;
506 unsigned long ipath_sdma_status;
507 unsigned long ipath_sdma_abort_jiffies;
508 unsigned long ipath_sdma_abort_intr_timeout;
509 unsigned long ipath_sdma_buf_jiffies;
510 struct ipath_sdma_desc *ipath_sdma_descq;
511 u64 ipath_sdma_descq_added;
512 u64 ipath_sdma_descq_removed;
513 int ipath_sdma_desc_nreserved;
514 u16 ipath_sdma_descq_cnt;
515 u16 ipath_sdma_descq_tail;
516 u16 ipath_sdma_descq_head;
517 u16 ipath_sdma_next_intr;
518 u16 ipath_sdma_reset_wait;
519 u8 ipath_sdma_generation;
520 struct tasklet_struct ipath_sdma_abort_task;
521 struct tasklet_struct ipath_sdma_notify_task;
522 struct list_head ipath_sdma_activelist;
523 struct list_head ipath_sdma_notifylist;
524 atomic_t ipath_sdma_vl15_count;
525 struct timer_list ipath_sdma_vl15_timer;
526
527 dma_addr_t ipath_sdma_descq_phys;
528 volatile __le64 *ipath_sdma_head_dma;
529 dma_addr_t ipath_sdma_head_phys;
530
531 unsigned long ipath_ureg_align;
532
533 struct delayed_work ipath_autoneg_work;
534 wait_queue_head_t ipath_autoneg_wait;
535
536
537 unsigned ipath_hol_state;
538 unsigned ipath_hol_next;
539 struct timer_list ipath_hol_timer;
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560 unsigned long ipath_pioavailshadow[8];
561
562 unsigned long ipath_pioavailkernel[8];
563
564 u64 ipath_gpio_out;
565
566 u64 ipath_gpio_mask;
567
568 u64 ipath_extctrl;
569
570 u64 ipath_revision;
571
572
573
574
575 u64 ipath_ibcctrl;
576
577
578
579
580 u64 ipath_lastibcstat;
581
582 ipath_err_t ipath_hwerrmask;
583 ipath_err_t ipath_errormask;
584
585 u64 ipath_intconfig;
586
587 u64 ipath_piobufbase;
588
589 u64 ipath_ibcddrctrl;
590
591
592
593
594
595
596
597 u32 ipath_nguid;
598
599
600
601
602
603 unsigned long ipath_rcvctrl;
604
605 unsigned long ipath_sendctrl;
606
607 unsigned long ipath_lastcancel;
608
609 unsigned long ipath_spectriggerhit;
610
611
612 u32 ipath_rcvhdrcnt;
613
614 u32 ipath_rcvhdrsize;
615
616 u32 ipath_rcvhdrentsize;
617
618 u32 ipath_hdrqlast;
619
620 u32 ipath_portcnt;
621
622 u32 ipath_palign;
623
624 u32 ipath_piobcnt2k;
625
626 u32 ipath_piosize2k;
627
628 u32 ipath_piobcnt4k;
629
630 u32 ipath_piosize4k;
631 u32 ipath_pioreserved;
632
633 u32 ipath_rcvegrbase;
634
635 u32 ipath_rcvegrcnt;
636
637 u32 ipath_rcvtidbase;
638
639 u32 ipath_rcvtidcnt;
640
641 u32 ipath_sregbase;
642
643 u32 ipath_uregbase;
644
645 u32 ipath_cregbase;
646
647 u32 ipath_control;
648
649 u32 ipath_pcirev;
650
651
652 u32 ipath_4kalign;
653
654 u32 ipath_ibmtu;
655
656
657
658
659
660 u32 ipath_ibmaxlen;
661
662
663
664
665 u32 ipath_init_ibmaxlen;
666
667 u32 ipath_rcvegrbufsize;
668
669 u32 ipath_lbus_width;
670
671 u32 ipath_lbus_speed;
672
673
674
675
676 u32 ipath_ibpollcnt;
677
678 u32 ipath_msi_lo;
679
680 u32 ipath_msi_hi;
681
682 u16 ipath_msi_data;
683
684 u16 ipath_mlid;
685
686 u16 ipath_lid;
687
688 u16 ipath_pkeys[4];
689
690
691
692
693 u8 ipath_serial[16];
694
695 u8 ipath_boardversion[96];
696 u8 ipath_lbus_info[32];
697
698 u8 ipath_majrev;
699
700 u8 ipath_minrev;
701
702 u8 ipath_boardrev;
703
704 u8 ipath_pci_cacheline;
705
706 u8 ipath_lmc;
707
708 u8 ipath_link_width_supported;
709
710 u8 ipath_link_speed_supported;
711 u8 ipath_link_width_enabled;
712 u8 ipath_link_speed_enabled;
713 u8 ipath_link_width_active;
714 u8 ipath_link_speed_active;
715
716 u8 ipath_rx_pol_inv;
717
718 u8 ipath_r_portenable_shift;
719 u8 ipath_r_intravail_shift;
720 u8 ipath_r_tailupd_shift;
721 u8 ipath_r_portcfg_shift;
722
723
724 int ipath_unit;
725
726
727 u32 ipath_lli_counter;
728
729 u32 ipath_lli_errors;
730
731
732
733
734
735
736 u32 ipath_rxfc_unsupvl_errs;
737 u32 ipath_overrun_thresh_errs;
738 u32 ipath_lli_errs;
739
740
741
742
743
744 u64 ipath_i_bitsextant;
745 ipath_err_t ipath_e_bitsextant;
746 ipath_err_t ipath_hwe_bitsextant;
747
748
749
750
751
752 u64 ipath_i_rcvavail_mask;
753 u64 ipath_i_rcvurg_mask;
754 u16 ipath_i_rcvurg_shift;
755 u16 ipath_i_rcvavail_shift;
756
757
758
759
760
761 u8 ipath_gpio_sda_num;
762 u8 ipath_gpio_scl_num;
763 u8 ipath_i2c_chain_type;
764 u64 ipath_gpio_sda;
765 u64 ipath_gpio_scl;
766
767
768 spinlock_t ipath_gpio_lock;
769
770
771
772
773
774 u8 ibcs_ls_shift;
775 u8 ibcs_lts_mask;
776 u32 ibcs_mask;
777 u32 ib_init;
778 u32 ib_arm;
779 u32 ib_active;
780
781 u16 ipath_rhf_offset;
782
783
784
785
786
787 u8 ibcc_lic_mask;
788 u8 ibcc_lc_shift;
789 u8 ibcc_mpl_shift;
790
791 u8 delay_mult;
792
793
794 u8 ipath_led_override;
795 u16 ipath_led_override_timeoff;
796 u8 ipath_led_override_vals[2];
797 u8 ipath_led_override_phase;
798 atomic_t ipath_led_override_timer_active;
799
800 struct timer_list ipath_led_override_timer;
801
802
803
804 spinlock_t ipath_eep_st_lock;
805
806 struct mutex ipath_eep_lock;
807
808 uint64_t ipath_traffic_wds;
809
810 atomic_t ipath_active_time;
811
812 uint8_t ipath_eep_st_errs[IPATH_EEP_LOG_CNT];
813 uint8_t ipath_eep_st_new_errs[IPATH_EEP_LOG_CNT];
814 uint16_t ipath_eep_hrs;
815
816
817
818
819 struct ipath_eep_log_mask ipath_eep_st_masks[IPATH_EEP_LOG_CNT];
820
821
822 u16 ipath_jint_idle_ticks;
823 u16 ipath_jint_max_packets;
824
825
826
827
828
829 spinlock_t ipath_sdepb_lock;
830 u8 ipath_presets_needed;
831};
832
833
834#define IPATH_HOL_UP 0
835#define IPATH_HOL_DOWN 1
836
837#define IPATH_HOL_DOWNSTOP 0
838#define IPATH_HOL_DOWNCONT 1
839
840
841#define IPATH_SDMA_ABORTING 0
842#define IPATH_SDMA_DISARMED 1
843#define IPATH_SDMA_DISABLED 2
844#define IPATH_SDMA_LAYERBUF 3
845#define IPATH_SDMA_RUNNING 30
846#define IPATH_SDMA_SHUTDOWN 31
847
848
849#define IPATH_SDMA_ABORT_NONE 0
850#define IPATH_SDMA_ABORT_ABORTING (1UL << IPATH_SDMA_ABORTING)
851#define IPATH_SDMA_ABORT_DISARMED ((1UL << IPATH_SDMA_ABORTING) | \
852 (1UL << IPATH_SDMA_DISARMED))
853#define IPATH_SDMA_ABORT_DISABLED ((1UL << IPATH_SDMA_ABORTING) | \
854 (1UL << IPATH_SDMA_DISABLED))
855#define IPATH_SDMA_ABORT_ABORTED ((1UL << IPATH_SDMA_ABORTING) | \
856 (1UL << IPATH_SDMA_DISARMED) | (1UL << IPATH_SDMA_DISABLED))
857#define IPATH_SDMA_ABORT_MASK ((1UL<<IPATH_SDMA_ABORTING) | \
858 (1UL << IPATH_SDMA_DISARMED) | (1UL << IPATH_SDMA_DISABLED))
859
860#define IPATH_SDMA_BUF_NONE 0
861#define IPATH_SDMA_BUF_MASK (1UL<<IPATH_SDMA_LAYERBUF)
862
863
864struct ipath_filedata {
865 struct ipath_portdata *pd;
866 unsigned subport;
867 unsigned tidcursor;
868 struct ipath_user_sdma_queue *pq;
869};
870extern struct list_head ipath_dev_list;
871extern spinlock_t ipath_devs_lock;
872extern struct ipath_devdata *ipath_lookup(int unit);
873
874int ipath_init_chip(struct ipath_devdata *, int);
875int ipath_enable_wc(struct ipath_devdata *dd);
876void ipath_disable_wc(struct ipath_devdata *dd);
877int ipath_count_units(int *npresentp, int *nupp, int *maxportsp);
878void ipath_shutdown_device(struct ipath_devdata *);
879void ipath_clear_freeze(struct ipath_devdata *);
880
881struct file_operations;
882int ipath_cdev_init(int minor, char *name, const struct file_operations *fops,
883 struct cdev **cdevp, struct device **devp);
884void ipath_cdev_cleanup(struct cdev **cdevp,
885 struct device **devp);
886
887int ipath_diag_add(struct ipath_devdata *);
888void ipath_diag_remove(struct ipath_devdata *);
889
890extern wait_queue_head_t ipath_state_wait;
891
892int ipath_user_add(struct ipath_devdata *dd);
893void ipath_user_remove(struct ipath_devdata *dd);
894
895struct sk_buff *ipath_alloc_skb(struct ipath_devdata *dd, gfp_t);
896
897extern int ipath_diag_inuse;
898
899irqreturn_t ipath_intr(int irq, void *devid);
900int ipath_decode_err(struct ipath_devdata *dd, char *buf, size_t blen,
901 ipath_err_t err);
902#if __IPATH_INFO || __IPATH_DBG
903extern const char *ipath_ibcstatus_str[];
904#endif
905
906
907void ipath_chip_cleanup(struct ipath_devdata *);
908
909void ipath_chip_done(void);
910
911
912int ipath_unordered_wc(void);
913
914void ipath_disarm_piobufs(struct ipath_devdata *, unsigned first,
915 unsigned cnt);
916void ipath_cancel_sends(struct ipath_devdata *, int);
917
918int ipath_create_rcvhdrq(struct ipath_devdata *, struct ipath_portdata *);
919void ipath_free_pddata(struct ipath_devdata *, struct ipath_portdata *);
920
921int ipath_parse_ushort(const char *str, unsigned short *valp);
922
923void ipath_kreceive(struct ipath_portdata *);
924int ipath_setrcvhdrsize(struct ipath_devdata *, unsigned);
925int ipath_reset_device(int);
926void ipath_get_faststats(unsigned long);
927int ipath_wait_linkstate(struct ipath_devdata *, u32, int);
928int ipath_set_linkstate(struct ipath_devdata *, u8);
929int ipath_set_mtu(struct ipath_devdata *, u16);
930int ipath_set_lid(struct ipath_devdata *, u32, u8);
931int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv);
932void ipath_enable_armlaunch(struct ipath_devdata *);
933void ipath_disable_armlaunch(struct ipath_devdata *);
934void ipath_hol_down(struct ipath_devdata *);
935void ipath_hol_up(struct ipath_devdata *);
936void ipath_hol_event(unsigned long);
937void ipath_toggle_rclkrls(struct ipath_devdata *);
938void ipath_sd7220_clr_ibpar(struct ipath_devdata *);
939void ipath_set_relock_poll(struct ipath_devdata *, int);
940void ipath_shutdown_relock_poll(struct ipath_devdata *);
941
942
943#define port_fp(fp) ((struct ipath_filedata *)(fp)->private_data)->pd
944#define subport_fp(fp) \
945 ((struct ipath_filedata *)(fp)->private_data)->subport
946#define tidcursor_fp(fp) \
947 ((struct ipath_filedata *)(fp)->private_data)->tidcursor
948#define user_sdma_queue_fp(fp) \
949 ((struct ipath_filedata *)(fp)->private_data)->pq
950
951
952
953
954
955#define IPATH_HAS_LINK_LATENCY 0x1
956
957#define IPATH_INITTED 0x2
958
959#define IPATH_RCVHDRSZ_SET 0x4
960
961#define IPATH_PRESENT 0x8
962
963
964#define IPATH_8BIT_IN_HT0 0x10
965
966
967#define IPATH_8BIT_IN_HT1 0x20
968
969#define IPATH_LINKDOWN 0x40
970
971#define IPATH_LINKINIT 0x80
972
973#define IPATH_LINKARMED 0x100
974
975#define IPATH_LINKACTIVE 0x200
976
977#define IPATH_LINKUNK 0x400
978
979#define IPATH_PIO_FLUSH_WC 0x1000
980
981#define IPATH_NODMA_RTAIL 0x2000
982
983#define IPATH_NOCABLE 0x4000
984
985
986#define IPATH_GPIO_INTR 0x8000
987
988#define IPATH_4BYTE_TID 0x10000
989
990
991#define IPATH_32BITCOUNTERS 0x20000
992
993#define IPATH_INTREG_64 0x40000
994
995#define IPATH_DISABLED 0x80000
996
997#define IPATH_GPIO_ERRINTRS 0x100000
998#define IPATH_SWAP_PIOBUFS 0x200000
999
1000#define IPATH_HAS_SEND_DMA 0x400000
1001
1002#define IPATH_HAS_PBC_CNT 0x800000
1003
1004#define IPATH_NO_HRTBT 0x1000000
1005#define IPATH_HAS_THRESH_UPDATE 0x4000000
1006#define IPATH_HAS_MULT_IB_SPEED 0x8000000
1007#define IPATH_IB_AUTONEG_INPROG 0x10000000
1008#define IPATH_IB_AUTONEG_FAILED 0x20000000
1009
1010#define IPATH_IB_LINK_DISABLED 0x40000000
1011#define IPATH_IB_FORCE_NOTIFY 0x80000000
1012
1013
1014#define IPATH_GPIO_PORT0_BIT 2
1015#define IPATH_GPIO_RXUVL_BIT 3
1016#define IPATH_GPIO_OVRUN_BIT 4
1017#define IPATH_GPIO_LLI_BIT 5
1018#define IPATH_GPIO_ERRINTR_MASK 0x38
1019
1020
1021
1022#define IPATH_PORT_WAITING_RCV 2
1023
1024#define IPATH_PORT_MASTER_UNINIT 4
1025
1026#define IPATH_PORT_WAITING_URG 5
1027
1028
1029void ipath_free_data(struct ipath_portdata *dd);
1030u32 __iomem *ipath_getpiobuf(struct ipath_devdata *, u32, u32 *);
1031void ipath_chg_pioavailkernel(struct ipath_devdata *dd, unsigned start,
1032 unsigned len, int avail);
1033void ipath_init_iba6110_funcs(struct ipath_devdata *);
1034void ipath_get_eeprom_info(struct ipath_devdata *);
1035int ipath_update_eeprom_log(struct ipath_devdata *dd);
1036void ipath_inc_eeprom_err(struct ipath_devdata *dd, u32 eidx, u32 incr);
1037u64 ipath_snap_cntr(struct ipath_devdata *, ipath_creg);
1038void ipath_disarm_senderrbufs(struct ipath_devdata *);
1039void ipath_force_pio_avail_update(struct ipath_devdata *);
1040void signal_ib_event(struct ipath_devdata *dd, enum ib_event_type ev);
1041
1042
1043
1044
1045
1046
1047#define IPATH_LED_PHYS 1
1048#define IPATH_LED_LOG 2
1049void ipath_set_led_override(struct ipath_devdata *dd, unsigned int val);
1050
1051
1052int setup_sdma(struct ipath_devdata *);
1053void teardown_sdma(struct ipath_devdata *);
1054void ipath_restart_sdma(struct ipath_devdata *);
1055void ipath_sdma_intr(struct ipath_devdata *);
1056int ipath_sdma_verbs_send(struct ipath_devdata *, struct ipath_sge_state *,
1057 u32, struct ipath_verbs_txreq *);
1058
1059int ipath_sdma_make_progress(struct ipath_devdata *dd);
1060
1061
1062static inline u16 ipath_sdma_descq_freecnt(const struct ipath_devdata *dd)
1063{
1064 return dd->ipath_sdma_descq_cnt -
1065 (dd->ipath_sdma_descq_added - dd->ipath_sdma_descq_removed) -
1066 1 - dd->ipath_sdma_desc_nreserved;
1067}
1068
1069static inline void ipath_sdma_desc_reserve(struct ipath_devdata *dd, u16 cnt)
1070{
1071 dd->ipath_sdma_desc_nreserved += cnt;
1072}
1073
1074static inline void ipath_sdma_desc_unreserve(struct ipath_devdata *dd, u16 cnt)
1075{
1076 dd->ipath_sdma_desc_nreserved -= cnt;
1077}
1078
1079
1080
1081
1082#define IPATH_DFLT_RCVHDRSIZE 9
1083
1084int ipath_get_user_pages(unsigned long, size_t, struct page **);
1085void ipath_release_user_pages(struct page **, size_t);
1086void ipath_release_user_pages_on_close(struct page **, size_t);
1087int ipath_eeprom_read(struct ipath_devdata *, u8, void *, int);
1088int ipath_eeprom_write(struct ipath_devdata *, u8, const void *, int);
1089int ipath_tempsense_read(struct ipath_devdata *, u8 regnum);
1090int ipath_tempsense_write(struct ipath_devdata *, u8 regnum, u8 data);
1091
1092
1093void ipath_write_kreg_port(const struct ipath_devdata *, ipath_kreg,
1094 unsigned, u64);
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120static inline u32 ipath_read_ureg32(const struct ipath_devdata *dd,
1121 ipath_ureg regno, int port)
1122{
1123 if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
1124 return 0;
1125
1126 return readl(regno + (u64 __iomem *)
1127 (dd->ipath_uregbase +
1128 (char __iomem *)dd->ipath_kregbase +
1129 dd->ipath_ureg_align * port));
1130}
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141static inline void ipath_write_ureg(const struct ipath_devdata *dd,
1142 ipath_ureg regno, u64 value, int port)
1143{
1144 u64 __iomem *ubase = (u64 __iomem *)
1145 (dd->ipath_uregbase + (char __iomem *) dd->ipath_kregbase +
1146 dd->ipath_ureg_align * port);
1147 if (dd->ipath_kregbase)
1148 writeq(value, &ubase[regno]);
1149}
1150
1151static inline u32 ipath_read_kreg32(const struct ipath_devdata *dd,
1152 ipath_kreg regno)
1153{
1154 if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
1155 return -1;
1156 return readl((u32 __iomem *) & dd->ipath_kregbase[regno]);
1157}
1158
1159static inline u64 ipath_read_kreg64(const struct ipath_devdata *dd,
1160 ipath_kreg regno)
1161{
1162 if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
1163 return -1;
1164
1165 return readq(&dd->ipath_kregbase[regno]);
1166}
1167
1168static inline void ipath_write_kreg(const struct ipath_devdata *dd,
1169 ipath_kreg regno, u64 value)
1170{
1171 if (dd->ipath_kregbase)
1172 writeq(value, &dd->ipath_kregbase[regno]);
1173}
1174
1175static inline u64 ipath_read_creg(const struct ipath_devdata *dd,
1176 ipath_sreg regno)
1177{
1178 if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
1179 return 0;
1180
1181 return readq(regno + (u64 __iomem *)
1182 (dd->ipath_cregbase +
1183 (char __iomem *)dd->ipath_kregbase));
1184}
1185
1186static inline u32 ipath_read_creg32(const struct ipath_devdata *dd,
1187 ipath_sreg regno)
1188{
1189 if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
1190 return 0;
1191 return readl(regno + (u64 __iomem *)
1192 (dd->ipath_cregbase +
1193 (char __iomem *)dd->ipath_kregbase));
1194}
1195
1196static inline void ipath_write_creg(const struct ipath_devdata *dd,
1197 ipath_creg regno, u64 value)
1198{
1199 if (dd->ipath_kregbase)
1200 writeq(value, regno + (u64 __iomem *)
1201 (dd->ipath_cregbase +
1202 (char __iomem *)dd->ipath_kregbase));
1203}
1204
1205static inline void ipath_clear_rcvhdrtail(const struct ipath_portdata *pd)
1206{
1207 *((u64 *) pd->port_rcvhdrtail_kvaddr) = 0ULL;
1208}
1209
1210static inline u32 ipath_get_rcvhdrtail(const struct ipath_portdata *pd)
1211{
1212 return (u32) le64_to_cpu(*((volatile __le64 *)
1213 pd->port_rcvhdrtail_kvaddr));
1214}
1215
1216static inline u32 ipath_get_hdrqtail(const struct ipath_portdata *pd)
1217{
1218 const struct ipath_devdata *dd = pd->port_dd;
1219 u32 hdrqtail;
1220
1221 if (dd->ipath_flags & IPATH_NODMA_RTAIL) {
1222 __le32 *rhf_addr;
1223 u32 seq;
1224
1225 rhf_addr = (__le32 *) pd->port_rcvhdrq +
1226 pd->port_head + dd->ipath_rhf_offset;
1227 seq = ipath_hdrget_seq(rhf_addr);
1228 hdrqtail = pd->port_head;
1229 if (seq == pd->port_seq_cnt)
1230 hdrqtail++;
1231 } else
1232 hdrqtail = ipath_get_rcvhdrtail(pd);
1233
1234 return hdrqtail;
1235}
1236
1237static inline u64 ipath_read_ireg(const struct ipath_devdata *dd, ipath_kreg r)
1238{
1239 return (dd->ipath_flags & IPATH_INTREG_64) ?
1240 ipath_read_kreg64(dd, r) : ipath_read_kreg32(dd, r);
1241}
1242
1243
1244
1245
1246
1247
1248static inline u32 ipath_ib_linkstate(struct ipath_devdata *dd, u64 ibcs)
1249{
1250 u32 state = (u32)(ibcs >> dd->ibcs_ls_shift) &
1251 INFINIPATH_IBCS_LINKSTATE_MASK;
1252 if (state == INFINIPATH_IBCS_L_STATE_ACT_DEFER)
1253 state = INFINIPATH_IBCS_L_STATE_ACTIVE;
1254 return state;
1255}
1256
1257
1258static inline u32 ipath_ib_linktrstate(struct ipath_devdata *dd, u64 ibcs)
1259{
1260 return (u32)(ibcs >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
1261 dd->ibcs_lts_mask;
1262}
1263
1264
1265
1266
1267
1268
1269static inline u32 ipath_ib_state(struct ipath_devdata *dd, u64 ibcs)
1270{
1271 u32 ibs;
1272 ibs = (u32)(ibcs >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
1273 dd->ibcs_lts_mask;
1274 ibs |= (u32)(ibcs &
1275 (INFINIPATH_IBCS_LINKSTATE_MASK << dd->ibcs_ls_shift));
1276 return ibs;
1277}
1278
1279
1280
1281
1282
1283struct device_driver;
1284
1285extern const char ib_ipath_version[];
1286
1287extern const struct attribute_group *ipath_driver_attr_groups[];
1288
1289int ipath_device_create_group(struct device *, struct ipath_devdata *);
1290void ipath_device_remove_group(struct device *, struct ipath_devdata *);
1291int ipath_expose_reset(struct device *);
1292
1293int ipath_init_ipathfs(void);
1294void ipath_exit_ipathfs(void);
1295int ipathfs_add_device(struct ipath_devdata *);
1296int ipathfs_remove_device(struct ipath_devdata *);
1297
1298
1299
1300
1301dma_addr_t ipath_map_page(struct pci_dev *, struct page *, unsigned long,
1302 size_t, int);
1303dma_addr_t ipath_map_single(struct pci_dev *, void *, size_t, int);
1304const char *ipath_get_unit_name(int unit);
1305
1306
1307
1308
1309
1310#if defined(CONFIG_X86_64)
1311#define ipath_flush_wc() asm volatile("sfence" ::: "memory")
1312#else
1313#define ipath_flush_wc() wmb()
1314#endif
1315
1316extern unsigned ipath_debug;
1317extern unsigned ipath_linkrecovery;
1318extern unsigned ipath_mtu4096;
1319extern struct mutex ipath_mutex;
1320
1321#define IPATH_DRV_NAME "ib_ipath"
1322#define IPATH_MAJOR 233
1323#define IPATH_USER_MINOR_BASE 0
1324#define IPATH_DIAGPKT_MINOR 127
1325#define IPATH_DIAG_MINOR_BASE 129
1326#define IPATH_NMINORS 255
1327
1328#define ipath_dev_err(dd,fmt,...) \
1329 do { \
1330 const struct ipath_devdata *__dd = (dd); \
1331 if (__dd->pcidev) \
1332 dev_err(&__dd->pcidev->dev, "%s: " fmt, \
1333 ipath_get_unit_name(__dd->ipath_unit), \
1334 ##__VA_ARGS__); \
1335 else \
1336 printk(KERN_ERR IPATH_DRV_NAME ": %s: " fmt, \
1337 ipath_get_unit_name(__dd->ipath_unit), \
1338 ##__VA_ARGS__); \
1339 } while (0)
1340
1341#if _IPATH_DEBUGGING
1342
1343# define __IPATH_DBG_WHICH(which,fmt,...) \
1344 do { \
1345 if (unlikely(ipath_debug & (which))) \
1346 printk(KERN_DEBUG IPATH_DRV_NAME ": %s: " fmt, \
1347 __func__,##__VA_ARGS__); \
1348 } while(0)
1349
1350# define ipath_dbg(fmt,...) \
1351 __IPATH_DBG_WHICH(__IPATH_DBG,fmt,##__VA_ARGS__)
1352# define ipath_cdbg(which,fmt,...) \
1353 __IPATH_DBG_WHICH(__IPATH_##which##DBG,fmt,##__VA_ARGS__)
1354
1355#else
1356
1357# define ipath_dbg(fmt,...)
1358# define ipath_cdbg(which,fmt,...)
1359
1360#endif
1361
1362
1363
1364
1365struct ipath_hwerror_msgs {
1366 u64 mask;
1367 const char *msg;
1368};
1369
1370#define INFINIPATH_HWE_MSG(a, b) { .mask = INFINIPATH_HWE_##a, .msg = b }
1371
1372
1373void ipath_format_hwerrors(u64 hwerrs,
1374 const struct ipath_hwerror_msgs *hwerrmsgs,
1375 size_t nhwerrmsgs,
1376 char *msg, size_t lmsg);
1377
1378#endif
1379