4 * Copyright(c) 2015, 2016 Intel Corporation.
6 * This file is provided under a dual BSD/GPLv2 license. When using or
7 * redistributing this file, you may do so under either license.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
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23 * modification, are permitted provided that the following conditions
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27 * notice, this list of conditions and the following disclaimer.
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50 #include <linux/interrupt.h>
51 #include <linux/pci.h>
52 #include <linux/dma-mapping.h>
53 #include <linux/mutex.h>
54 #include <linux/list.h>
55 #include <linux/scatterlist.h>
56 #include <linux/slab.h>
59 #include <linux/completion.h>
60 #include <linux/kref.h>
61 #include <linux/sched.h>
62 #include <linux/cdev.h>
63 #include <linux/delay.h>
64 #include <linux/kthread.h>
65 #include <linux/i2c.h>
66 #include <linux/i2c-algo-bit.h>
67 #include <rdma/ib_hdrs.h>
68 #include <linux/rhashtable.h>
69 #include <rdma/rdma_vt.h>
71 #include "chip_registers.h"
81 /* bumped 1 from s/w major version of TrueScale */
82 #define HFI1_CHIP_VERS_MAJ 3U
84 /* don't care about this except printing */
85 #define HFI1_CHIP_VERS_MIN 0U
87 /* The Organization Unique Identifier (Mfg code), and its position in GUID */
88 #define HFI1_OUI 0x001175
89 #define HFI1_OUI_LSB 40
91 #define DROP_PACKET_OFF 0
92 #define DROP_PACKET_ON 1
94 extern unsigned long hfi1_cap_mask;
95 #define HFI1_CAP_KGET_MASK(mask, cap) ((mask) & HFI1_CAP_##cap)
96 #define HFI1_CAP_UGET_MASK(mask, cap) \
97 (((mask) >> HFI1_CAP_USER_SHIFT) & HFI1_CAP_##cap)
98 #define HFI1_CAP_KGET(cap) (HFI1_CAP_KGET_MASK(hfi1_cap_mask, cap))
99 #define HFI1_CAP_UGET(cap) (HFI1_CAP_UGET_MASK(hfi1_cap_mask, cap))
100 #define HFI1_CAP_IS_KSET(cap) (!!HFI1_CAP_KGET(cap))
101 #define HFI1_CAP_IS_USET(cap) (!!HFI1_CAP_UGET(cap))
102 #define HFI1_MISC_GET() ((hfi1_cap_mask >> HFI1_CAP_MISC_SHIFT) & \
104 /* Offline Disabled Reason is 4-bits */
105 #define HFI1_ODR_MASK(rsn) ((rsn) & OPA_PI_MASK_OFFLINE_REASON)
108 * Control context is always 0 and handles the error packets.
109 * It also handles the VL15 and multicast packets.
111 #define HFI1_CTRL_CTXT 0
114 * Driver context will store software counters for each of the events
115 * associated with these status registers
117 #define NUM_CCE_ERR_STATUS_COUNTERS 41
118 #define NUM_RCV_ERR_STATUS_COUNTERS 64
119 #define NUM_MISC_ERR_STATUS_COUNTERS 13
120 #define NUM_SEND_PIO_ERR_STATUS_COUNTERS 36
121 #define NUM_SEND_DMA_ERR_STATUS_COUNTERS 4
122 #define NUM_SEND_EGRESS_ERR_STATUS_COUNTERS 64
123 #define NUM_SEND_ERR_STATUS_COUNTERS 3
124 #define NUM_SEND_CTXT_ERR_STATUS_COUNTERS 5
125 #define NUM_SEND_DMA_ENG_ERR_STATUS_COUNTERS 24
128 * per driver stats, either not device nor port-specific, or
129 * summed over all of the devices and ports.
130 * They are described by name via ipathfs filesystem, so layout
131 * and number of elements can change without breaking compatibility.
132 * If members are added or deleted hfi1_statnames[] in debugfs.c must
135 struct hfi1_ib_stats {
136 __u64 sps_ints; /* number of interrupts handled */
137 __u64 sps_errints; /* number of error interrupts */
138 __u64 sps_txerrs; /* tx-related packet errors */
139 __u64 sps_rcverrs; /* non-crc rcv packet errors */
140 __u64 sps_hwerrs; /* hardware errors reported (parity, etc.) */
141 __u64 sps_nopiobufs; /* no pio bufs avail from kernel */
142 __u64 sps_ctxts; /* number of contexts currently open */
143 __u64 sps_lenerrs; /* number of kernel packets where RHF != LRH len */
148 extern struct hfi1_ib_stats hfi1_stats;
149 extern const struct pci_error_handlers hfi1_pci_err_handler;
152 * First-cut criterion for "device is active" is
153 * two thousand dwords combined Tx, Rx traffic per
154 * 5-second interval. SMA packets are 64 dwords,
155 * and occur "a few per second", presumably each way.
157 #define HFI1_TRAFFIC_ACTIVE_THRESHOLD (2000)
160 * Below contains all data related to a single context (formerly called port).
163 #ifdef CONFIG_DEBUG_FS
164 struct hfi1_opcode_stats_perctx;
167 struct ctxt_eager_bufs {
168 ssize_t size; /* total size of eager buffers */
169 u32 count; /* size of buffers array */
170 u32 numbufs; /* number of buffers allocated */
171 u32 alloced; /* number of rcvarray entries used */
172 u32 rcvtid_size; /* size of each eager rcv tid */
173 u32 threshold; /* head update threshold */
174 struct eager_buffer {
186 struct list_head list;
190 struct hfi1_ctxtdata {
191 /* shadow the ctxt's RcvCtrl register */
193 /* rcvhdrq base, needs mmap before useful */
195 /* kernel virtual address where hdrqtail is updated */
196 volatile __le64 *rcvhdrtail_kvaddr;
198 * Shared page for kernel to signal user processes that send buffers
199 * need disarming. The process should call HFI1_CMD_DISARM_BUFS
200 * or HFI1_CMD_ACK_EVENT with IPATH_EVENT_DISARM_BUFS set.
202 unsigned long *user_event_mask;
203 /* when waiting for rcv or pioavail */
204 wait_queue_head_t wait;
205 /* rcvhdrq size (for freeing) */
207 /* number of rcvhdrq entries */
209 /* size of each of the rcvhdrq entries */
211 /* mmap of hdrq, must fit in 44 bits */
212 dma_addr_t rcvhdrq_dma;
213 dma_addr_t rcvhdrqtailaddr_dma;
214 struct ctxt_eager_bufs egrbufs;
215 /* this receive context's assigned PIO ACK send context */
216 struct send_context *sc;
218 /* dynamic receive available interrupt timeout */
219 u32 rcvavail_timeout;
221 * number of opens (including slave sub-contexts) on this instance
222 * (ignoring forks, dup, etc. for now)
226 * how much space to leave at start of eager TID entries for
227 * protocol use, on each TID
229 /* instead of calculating it */
231 /* non-zero if ctxt is being shared. */
233 /* non-zero if ctxt is being shared. */
238 /* number of RcvArray groups for this context. */
239 u32 rcv_array_groups;
240 /* index of first eager TID entry. */
242 /* number of expected TID entries */
244 /* index of first expected TID entry. */
247 struct exp_tid_set tid_group_list;
248 struct exp_tid_set tid_used_list;
249 struct exp_tid_set tid_full_list;
251 /* lock protecting all Expected TID data */
252 struct mutex exp_lock;
253 /* number of pio bufs for this ctxt (all procs, if shared) */
255 /* first pio buffer for this ctxt */
257 /* chip offset of PIO buffers for this ctxt */
259 /* per-context configuration flags */
261 /* per-context event flags for fileops/intr communication */
262 unsigned long event_flags;
263 /* WAIT_RCV that timed out, no interrupt */
265 /* WAIT_PIO that timed out, no interrupt */
267 /* WAIT_RCV already happened, no wait */
269 /* WAIT_PIO already happened, no wait */
271 /* total number of polled urgent packets */
273 /* saved total number of polled urgent packets for poll edge trigger */
275 /* same size as task_struct .comm[], command that opened context */
276 char comm[TASK_COMM_LEN];
277 /* so file ops can get at unit */
278 struct hfi1_devdata *dd;
279 /* so functions that need physical port can get it easily */
280 struct hfi1_pportdata *ppd;
281 /* A page of memory for rcvhdrhead, rcvegrhead, rcvegrtail * N */
282 void *subctxt_uregbase;
283 /* An array of pages for the eager receive buffers * N */
284 void *subctxt_rcvegrbuf;
285 /* An array of pages for the eager header queue entries * N */
286 void *subctxt_rcvhdr_base;
287 /* The version of the library which opened this ctxt */
289 /* Bitmask of active slaves */
291 /* Type of packets or conditions we want to poll for */
293 /* receive packet sequence counter */
296 /* ctxt rcvhdrq head offset */
299 /* QPs waiting for context processing */
300 struct list_head qp_wait_list;
301 /* interrupt handling */
302 u64 imask; /* clear interrupt mask */
303 int ireg; /* clear interrupt register */
304 unsigned numa_id; /* numa node of this context */
305 /* verbs stats per CTX */
306 struct hfi1_opcode_stats_perctx *opstats;
308 * This is the kernel thread that will keep making
309 * progress on the user sdma requests behind the scenes.
310 * There is one per context (shared contexts use the master's).
312 struct task_struct *progress;
313 struct list_head sdma_queues;
314 /* protect sdma queues */
315 spinlock_t sdma_qlock;
317 /* Is ASPM interrupt supported for this context */
318 bool aspm_intr_supported;
319 /* ASPM state (enabled/disabled) for this context */
321 /* Timer for re-enabling ASPM if interrupt activity quietens down */
322 struct timer_list aspm_timer;
323 /* Lock to serialize between intr, timer intr and user threads */
324 spinlock_t aspm_lock;
325 /* Is ASPM processing enabled for this context (in intr context) */
326 bool aspm_intr_enable;
327 /* Last interrupt timestamp */
328 ktime_t aspm_ts_last_intr;
329 /* Last timestamp at which we scheduled a timer for this context */
330 ktime_t aspm_ts_timer_sched;
333 * The interrupt handler for a particular receive context can vary
334 * throughout it's lifetime. This is not a lock protected data member so
335 * it must be updated atomically and the prev and new value must always
336 * be valid. Worst case is we process an extra interrupt and up to 64
337 * packets with the wrong interrupt handler.
339 int (*do_interrupt)(struct hfi1_ctxtdata *rcd, int threaded);
343 * Represents a single packet at a high level. Put commonly computed things in
344 * here so we do not have to keep doing them over and over. The rule of thumb is
345 * if something is used one time to derive some value, store that something in
346 * here. If it is used multiple times, then store the result of that derivation
352 struct hfi1_ctxtdata *rcd;
355 struct ib_other_headers *ohdr;
370 struct rvt_sge_state;
373 * Get/Set IB link-level config parameters for f_get/set_ib_cfg()
374 * Mostly for MADs that set or query link parameters, also ipath
377 #define HFI1_IB_CFG_LIDLMC 0 /* LID (LS16b) and Mask (MS16b) */
378 #define HFI1_IB_CFG_LWID_DG_ENB 1 /* allowed Link-width downgrade */
379 #define HFI1_IB_CFG_LWID_ENB 2 /* allowed Link-width */
380 #define HFI1_IB_CFG_LWID 3 /* currently active Link-width */
381 #define HFI1_IB_CFG_SPD_ENB 4 /* allowed Link speeds */
382 #define HFI1_IB_CFG_SPD 5 /* current Link spd */
383 #define HFI1_IB_CFG_RXPOL_ENB 6 /* Auto-RX-polarity enable */
384 #define HFI1_IB_CFG_LREV_ENB 7 /* Auto-Lane-reversal enable */
385 #define HFI1_IB_CFG_LINKLATENCY 8 /* Link Latency (IB1.2 only) */
386 #define HFI1_IB_CFG_HRTBT 9 /* IB heartbeat off/enable/auto; DDR/QDR only */
387 #define HFI1_IB_CFG_OP_VLS 10 /* operational VLs */
388 #define HFI1_IB_CFG_VL_HIGH_CAP 11 /* num of VL high priority weights */
389 #define HFI1_IB_CFG_VL_LOW_CAP 12 /* num of VL low priority weights */
390 #define HFI1_IB_CFG_OVERRUN_THRESH 13 /* IB overrun threshold */
391 #define HFI1_IB_CFG_PHYERR_THRESH 14 /* IB PHY error threshold */
392 #define HFI1_IB_CFG_LINKDEFAULT 15 /* IB link default (sleep/poll) */
393 #define HFI1_IB_CFG_PKEYS 16 /* update partition keys */
394 #define HFI1_IB_CFG_MTU 17 /* update MTU in IBC */
395 #define HFI1_IB_CFG_VL_HIGH_LIMIT 19
396 #define HFI1_IB_CFG_PMA_TICKS 20 /* PMA sample tick resolution */
397 #define HFI1_IB_CFG_PORT 21 /* switch port we are connected to */
400 * HFI or Host Link States
402 * These describe the states the driver thinks the logical and physical
403 * states are in. Used as an argument to set_link_state(). Implemented
404 * as bits for easy multi-state checking. The actual state can only be
407 #define __HLS_UP_INIT_BP 0
408 #define __HLS_UP_ARMED_BP 1
409 #define __HLS_UP_ACTIVE_BP 2
410 #define __HLS_DN_DOWNDEF_BP 3 /* link down default */
411 #define __HLS_DN_POLL_BP 4
412 #define __HLS_DN_DISABLE_BP 5
413 #define __HLS_DN_OFFLINE_BP 6
414 #define __HLS_VERIFY_CAP_BP 7
415 #define __HLS_GOING_UP_BP 8
416 #define __HLS_GOING_OFFLINE_BP 9
417 #define __HLS_LINK_COOLDOWN_BP 10
419 #define HLS_UP_INIT BIT(__HLS_UP_INIT_BP)
420 #define HLS_UP_ARMED BIT(__HLS_UP_ARMED_BP)
421 #define HLS_UP_ACTIVE BIT(__HLS_UP_ACTIVE_BP)
422 #define HLS_DN_DOWNDEF BIT(__HLS_DN_DOWNDEF_BP) /* link down default */
423 #define HLS_DN_POLL BIT(__HLS_DN_POLL_BP)
424 #define HLS_DN_DISABLE BIT(__HLS_DN_DISABLE_BP)
425 #define HLS_DN_OFFLINE BIT(__HLS_DN_OFFLINE_BP)
426 #define HLS_VERIFY_CAP BIT(__HLS_VERIFY_CAP_BP)
427 #define HLS_GOING_UP BIT(__HLS_GOING_UP_BP)
428 #define HLS_GOING_OFFLINE BIT(__HLS_GOING_OFFLINE_BP)
429 #define HLS_LINK_COOLDOWN BIT(__HLS_LINK_COOLDOWN_BP)
431 #define HLS_UP (HLS_UP_INIT | HLS_UP_ARMED | HLS_UP_ACTIVE)
432 #define HLS_DOWN ~(HLS_UP)
434 /* use this MTU size if none other is given */
435 #define HFI1_DEFAULT_ACTIVE_MTU 10240
436 /* use this MTU size as the default maximum */
437 #define HFI1_DEFAULT_MAX_MTU 10240
438 /* default partition key */
439 #define DEFAULT_PKEY 0xffff
442 * Possible fabric manager config parameters for fm_{get,set}_table()
444 #define FM_TBL_VL_HIGH_ARB 1 /* Get/set VL high prio weights */
445 #define FM_TBL_VL_LOW_ARB 2 /* Get/set VL low prio weights */
446 #define FM_TBL_BUFFER_CONTROL 3 /* Get/set Buffer Control */
447 #define FM_TBL_SC2VLNT 4 /* Get/set SC->VLnt */
448 #define FM_TBL_VL_PREEMPT_ELEMS 5 /* Get (no set) VL preempt elems */
449 #define FM_TBL_VL_PREEMPT_MATRIX 6 /* Get (no set) VL preempt matrix */
452 * Possible "operations" for f_rcvctrl(ppd, op, ctxt)
453 * these are bits so they can be combined, e.g.
454 * HFI1_RCVCTRL_INTRAVAIL_ENB | HFI1_RCVCTRL_CTXT_ENB
456 #define HFI1_RCVCTRL_TAILUPD_ENB 0x01
457 #define HFI1_RCVCTRL_TAILUPD_DIS 0x02
458 #define HFI1_RCVCTRL_CTXT_ENB 0x04
459 #define HFI1_RCVCTRL_CTXT_DIS 0x08
460 #define HFI1_RCVCTRL_INTRAVAIL_ENB 0x10
461 #define HFI1_RCVCTRL_INTRAVAIL_DIS 0x20
462 #define HFI1_RCVCTRL_PKEY_ENB 0x40 /* Note, default is enabled */
463 #define HFI1_RCVCTRL_PKEY_DIS 0x80
464 #define HFI1_RCVCTRL_TIDFLOW_ENB 0x0400
465 #define HFI1_RCVCTRL_TIDFLOW_DIS 0x0800
466 #define HFI1_RCVCTRL_ONE_PKT_EGR_ENB 0x1000
467 #define HFI1_RCVCTRL_ONE_PKT_EGR_DIS 0x2000
468 #define HFI1_RCVCTRL_NO_RHQ_DROP_ENB 0x4000
469 #define HFI1_RCVCTRL_NO_RHQ_DROP_DIS 0x8000
470 #define HFI1_RCVCTRL_NO_EGR_DROP_ENB 0x10000
471 #define HFI1_RCVCTRL_NO_EGR_DROP_DIS 0x20000
473 /* partition enforcement flags */
474 #define HFI1_PART_ENFORCE_IN 0x1
475 #define HFI1_PART_ENFORCE_OUT 0x2
477 /* how often we check for synthetic counter wrap around */
478 #define SYNTH_CNT_TIME 3
481 #define CNTR_NORMAL 0x0 /* Normal counters, just read register */
482 #define CNTR_SYNTH 0x1 /* Synthetic counters, saturate at all 1s */
483 #define CNTR_DISABLED 0x2 /* Disable this counter */
484 #define CNTR_32BIT 0x4 /* Simulate 64 bits for this counter */
485 #define CNTR_VL 0x8 /* Per VL counter */
486 #define CNTR_SDMA 0x10
487 #define CNTR_INVALID_VL -1 /* Specifies invalid VL */
488 #define CNTR_MODE_W 0x0
489 #define CNTR_MODE_R 0x1
491 /* VLs Supported/Operational */
492 #define HFI1_MIN_VLS_SUPPORTED 1
493 #define HFI1_MAX_VLS_SUPPORTED 8
495 static inline void incr_cntr64(u64 *cntr)
497 if (*cntr < (u64)-1LL)
501 static inline void incr_cntr32(u32 *cntr)
503 if (*cntr < (u32)-1LL)
507 #define MAX_NAME_SIZE 64
508 struct hfi1_msix_entry {
510 struct msix_entry msix;
512 char name[MAX_NAME_SIZE];
514 struct irq_affinity_notify notify;
517 /* per-SL CCA information */
519 struct hrtimer hrtimer;
520 struct hfi1_pportdata *ppd; /* read-only */
521 int sl; /* read-only */
522 u16 ccti; /* read/write - current value of CCTI */
525 struct link_down_reason {
527 * SMA-facing value. Should be set from .latest when
528 * HLS_UP_* -> HLS_DN_* transition actually occurs.
540 struct vl_arb_cache {
541 /* protect vl arb cache */
543 struct ib_vl_weight_elem table[VL_ARB_TABLE_SIZE];
547 * The structure below encapsulates data relevant to a physical IB Port.
548 * Current chips support only one such port, but the separation
549 * clarifies things a bit. Note that to conform to IB conventions,
550 * port-numbers are one-based. The first or only port is port1.
552 struct hfi1_pportdata {
553 struct hfi1_ibport ibport_data;
555 struct hfi1_devdata *dd;
556 struct kobject pport_cc_kobj;
557 struct kobject sc2vl_kobj;
558 struct kobject sl2sc_kobj;
559 struct kobject vl2mtu_kobj;
563 struct qsfp_data qsfp_info;
565 /* GUID for this interface, in host order */
567 /* GUID for peer interface, in host order */
570 /* up or down physical link state */
574 * this address is mapped read-only into user processes so they can
575 * get status cheaply, whenever they want. One qword of status per port
579 /* SendDMA related entries */
581 struct workqueue_struct *hfi1_wq;
583 /* move out of interrupt context */
584 struct work_struct link_vc_work;
585 struct work_struct link_up_work;
586 struct work_struct link_down_work;
587 struct work_struct sma_message_work;
588 struct work_struct freeze_work;
589 struct work_struct link_downgrade_work;
590 struct work_struct link_bounce_work;
591 struct delayed_work start_link_work;
592 /* host link state variables */
593 struct mutex hls_lock;
596 u32 lstate; /* logical link state */
598 /* these are the "32 bit" regs */
600 u32 ibmtu; /* The MTU programmed for this unit */
602 * Current max size IB packet (in bytes) including IB headers, that
603 * we can send. Changes when ibmtu changes.
606 u32 current_egress_rate; /* units [10^6 bits/sec] */
607 /* LID programmed for this instance */
609 /* list of pkeys programmed; 0 if not set */
610 u16 pkeys[MAX_PKEY_VALUES];
611 u16 link_width_supported;
612 u16 link_width_downgrade_supported;
613 u16 link_speed_supported;
614 u16 link_width_enabled;
615 u16 link_width_downgrade_enabled;
616 u16 link_speed_enabled;
617 u16 link_width_active;
618 u16 link_width_downgrade_tx_active;
619 u16 link_width_downgrade_rx_active;
620 u16 link_speed_active;
623 u8 actual_vls_operational;
624 /* LID mask control */
626 /* Rx Polarity inversion (compensate for ~tx on partner) */
629 u8 hw_pidx; /* physical port index */
630 u8 port; /* IB port number and index into dd->pports - 1 */
631 /* type of neighbor node */
634 u8 neighbor_fm_security; /* 1 if firmware checking is disabled */
635 u8 neighbor_port_number;
636 u8 is_sm_config_started;
637 u8 offline_disabled_reason;
638 u8 is_active_optimize_enabled;
639 u8 driver_link_ready; /* driver ready for active link */
640 u8 link_enabled; /* link enabled? */
642 u8 local_tx_rate; /* rate given to 8051 firmware */
643 u8 last_pstate; /* info only */
646 /* placeholders for IB MAD packet settings */
647 u8 overrun_threshold;
648 u8 phy_error_threshold;
650 /* Used to override LED behavior for things like maintenance beaconing*/
652 * Alternates per phase of blink
653 * [0] holds LED off duration, [1] holds LED on duration
655 unsigned long led_override_vals[2];
656 u8 led_override_phase; /* LSB picks from vals[] */
657 atomic_t led_override_timer_active;
658 /* Used to flash LEDs in override mode */
659 struct timer_list led_override_timer;
665 * cca_timer_lock protects access to the per-SL cca_timer
666 * structures (specifically the ccti member).
668 spinlock_t cca_timer_lock ____cacheline_aligned_in_smp;
669 struct cca_timer cca_timer[OPA_MAX_SLS];
671 /* List of congestion control table entries */
672 struct ib_cc_table_entry_shadow ccti_entries[CC_TABLE_SHADOW_MAX];
674 /* congestion entries, each entry corresponding to a SL */
675 struct opa_congestion_setting_entry_shadow
676 congestion_entries[OPA_MAX_SLS];
679 * cc_state_lock protects (write) access to the per-port
682 spinlock_t cc_state_lock ____cacheline_aligned_in_smp;
684 struct cc_state __rcu *cc_state;
686 /* Total number of congestion control table entries */
689 /* Bit map identifying service level */
690 u32 cc_sl_control_map;
692 /* CA's max number of 64 entry units in the congestion control table */
693 u8 cc_max_table_entries;
696 * begin congestion log related entries
697 * cc_log_lock protects all congestion log related data
699 spinlock_t cc_log_lock ____cacheline_aligned_in_smp;
700 u8 threshold_cong_event_map[OPA_MAX_SLS / 8];
701 u16 threshold_event_counter;
702 struct opa_hfi1_cong_log_event_internal cc_events[OPA_CONG_LOG_ELEMS];
703 int cc_log_idx; /* index for logging events */
704 int cc_mad_idx; /* index for reporting events */
705 /* end congestion log related entries */
707 struct vl_arb_cache vl_arb_cache[MAX_PRIO_TABLE];
709 /* port relative counter buffer */
711 /* port relative synthetic counter buffer */
713 /* port_xmit_discards are synthesized from different egress errors */
714 u64 port_xmit_discards;
715 u64 port_xmit_discards_vl[C_VL_COUNT];
716 u64 port_xmit_constraint_errors;
717 u64 port_rcv_constraint_errors;
718 /* count of 'link_err' interrupts from DC */
720 /* number of times link retrained successfully */
722 /* number of times a link unknown frame was reported */
723 u64 unknown_frame_count;
724 /* port_ltp_crc_mode is returned in 'portinfo' MADs */
725 u16 port_ltp_crc_mode;
726 /* port_crc_mode_enabled is the crc we support */
727 u8 port_crc_mode_enabled;
728 /* mgmt_allowed is also returned in 'portinfo' MADs */
730 u8 part_enforce; /* partition enforcement flags */
731 struct link_down_reason local_link_down_reason;
732 struct link_down_reason neigh_link_down_reason;
733 /* Value to be sent to link peer on LinkDown .*/
734 u8 remote_link_down_reason;
735 /* Error events that will cause a port bounce. */
736 u32 port_error_action;
737 struct work_struct linkstate_active_work;
738 /* Does this port need to prescan for FECNs */
742 typedef int (*rhf_rcv_function_ptr)(struct hfi1_packet *packet);
744 typedef void (*opcode_handler)(struct hfi1_packet *packet);
746 /* return values for the RHF receive functions */
747 #define RHF_RCV_CONTINUE 0 /* keep going */
748 #define RHF_RCV_DONE 1 /* stop, this packet processed */
749 #define RHF_RCV_REPROCESS 2 /* stop. retain this packet */
751 struct rcv_array_data {
759 struct send_context *sc;
762 /* 16 to directly index */
763 #define PER_VL_SEND_CONTEXTS 16
765 struct err_info_rcvport {
771 struct err_info_constraint {
778 unsigned int curr; /* current temperature */
779 unsigned int lo_lim; /* low temperature limit */
780 unsigned int hi_lim; /* high temperature limit */
781 unsigned int crit_lim; /* critical temperature limit */
782 u8 triggers; /* temperature triggers */
785 struct hfi1_i2c_bus {
786 struct hfi1_devdata *controlling_dd; /* current controlling device */
787 struct i2c_adapter adapter; /* bus details */
788 struct i2c_algo_bit_data algo; /* bus algorithm details */
789 int num; /* bus number, 0 or 1 */
792 /* common data between shared ASIC HFIs */
793 struct hfi1_asic_data {
794 struct hfi1_devdata *dds[2]; /* back pointers */
795 struct mutex asic_resource_mutex;
796 struct hfi1_i2c_bus *i2c_bus0;
797 struct hfi1_i2c_bus *i2c_bus1;
800 /* device data struct now contains only "general per-device" info.
801 * fields related to a physical IB port are in a hfi1_pportdata struct.
806 #define BOARD_VERS_MAX 96 /* how long the version string can be */
807 #define SERIAL_MAX 16 /* length of the serial number */
809 typedef int (*send_routine)(struct rvt_qp *, struct hfi1_pkt_state *, u64);
810 struct hfi1_devdata {
811 struct hfi1_ibdev verbs_dev; /* must be first */
812 struct list_head list;
813 /* pointers to related structs for this device */
814 /* pci access data structure */
815 struct pci_dev *pcidev;
816 struct cdev user_cdev;
817 struct cdev diag_cdev;
819 struct device *user_device;
820 struct device *diag_device;
821 struct device *ui_device;
823 /* mem-mapped pointer to base of chip regs */
824 u8 __iomem *kregbase;
825 /* end of mem-mapped chip space excluding sendbuf and user regs */
827 /* physical address of chip for io_remap, etc. */
828 resource_size_t physaddr;
829 /* receive context data */
830 struct hfi1_ctxtdata **rcd;
831 /* send context data */
832 struct send_context_info *send_contexts;
833 /* map hardware send contexts to software index */
835 /* spinlock for allocating and releasing send context resources */
837 /* Per VL data. Enough for all VLs but not all elements are set/used. */
838 struct per_vl_data vld[PER_VL_SEND_CONTEXTS];
839 /* lock for pio_map */
840 spinlock_t pio_map_lock;
841 /* array of kernel send contexts */
842 struct send_context **kernel_send_context;
843 /* array of vl maps */
844 struct pio_vl_map __rcu *pio_map;
845 /* seqlock for sc2vl */
846 seqlock_t sc2vl_lock;
848 /* Send Context initialization lock. */
849 spinlock_t sc_init_lock;
851 /* fields common to all SDMA engines */
853 /* default flags to last descriptor */
855 volatile __le64 *sdma_heads_dma; /* DMA'ed by chip */
856 dma_addr_t sdma_heads_phys;
857 void *sdma_pad_dma; /* DMA'ed by chip */
858 dma_addr_t sdma_pad_phys;
859 /* for deallocation */
860 size_t sdma_heads_size;
861 /* number from the chip */
862 u32 chip_sdma_engines;
865 /* lock for sdma_map */
866 spinlock_t sde_map_lock;
867 /* array of engines sized by num_sdma */
868 struct sdma_engine *per_sdma;
869 /* array of vl maps */
870 struct sdma_vl_map __rcu *sdma_map;
871 /* SPC freeze waitqueue and variable */
872 wait_queue_head_t sdma_unfreeze_wq;
873 atomic_t sdma_unfreeze_count;
875 /* common data between shared ASIC HFIs in this OS */
876 struct hfi1_asic_data *asic_data;
878 /* hfi1_pportdata, points to array of (physical) port-specific
879 * data structs, indexed by pidx (0..n-1)
881 struct hfi1_pportdata *pport;
883 /* mem-mapped pointer to base of PIO buffers */
884 void __iomem *piobase;
886 * write-combining mem-mapped pointer to base of RcvArray
889 void __iomem *rcvarray_wc;
891 * credit return base - a per-NUMA range of DMA address that
892 * the chip will use to update the per-context free counter
894 struct credit_return_base *cr_base;
896 /* send context numbers and sizes for each type */
897 struct sc_config_sizes sc_sizes[SC_MAX];
899 u32 lcb_access_count; /* count of LCB users */
901 char *boardname; /* human readable board info */
903 /* device (not port) flags, basically device capabilities */
910 /* percpu int_counter */
911 u64 __percpu *int_counter;
912 u64 __percpu *rcv_limit;
913 u64 __percpu *send_schedule;
914 /* number of receive contexts in use by the driver */
915 u32 num_rcv_contexts;
916 /* number of pio send contexts in use by the driver */
917 u32 num_send_contexts;
919 * number of ctxts available for PSM open
922 /* total number of available user/PSM contexts */
923 u32 num_user_contexts;
924 /* base receive interrupt timeout, in CSR units */
925 u32 rcv_intr_timeout_csr;
927 u64 __iomem *egrtidbase;
928 spinlock_t sendctrl_lock; /* protect changes to SendCtrl */
929 spinlock_t rcvctrl_lock; /* protect changes to RcvCtrl */
930 /* around rcd and (user ctxts) ctxt_cnt use (intr vs free) */
931 spinlock_t uctxt_lock; /* rcd and user context changes */
932 struct mutex dc8051_lock; /* exclusive access to 8051 */
933 struct workqueue_struct *update_cntr_wq;
934 struct work_struct update_cntr_work;
935 /* exclusive access to 8051 memory */
936 spinlock_t dc8051_memlock;
937 int dc8051_timed_out; /* remember if the 8051 timed out */
939 * A page that will hold event notification bitmaps for all
940 * contexts. This page will be mapped into all processes.
942 unsigned long *events;
944 * per unit status, see also portdata statusp
945 * mapped read-only into user processes so they can get unit and
946 * IB link status cheaply
948 struct hfi1_status *status;
949 u32 freezelen; /* max length of freezemsg */
951 /* revision register shadow */
953 /* Base GUID for device (network order) */
956 /* these are the "32 bit" regs */
958 /* value we put in kr_rcvhdrsize */
960 /* number of receive contexts the chip supports */
961 u32 chip_rcv_contexts;
962 /* number of receive array entries */
963 u32 chip_rcv_array_count;
964 /* number of PIO send contexts the chip supports */
965 u32 chip_send_contexts;
966 /* number of bytes in the PIO memory buffer */
967 u32 chip_pio_mem_size;
968 /* number of bytes in the SDMA memory buffer */
969 u32 chip_sdma_mem_size;
971 /* size of each rcvegrbuffer */
974 u16 rcvegrbufsize_shift;
975 /* both sides of the PCIe link are gen3 capable */
976 u8 link_gen3_capable;
977 /* localbus width (1, 2,4,8,16,32) from config space */
979 /* localbus speed in MHz */
981 int unit; /* unit # of this chip */
982 int node; /* home node of this chip */
984 /* save these PCI fields to restore after a reset */
997 * ASCII serial number, from flash, large enough for original
998 * all digit strings, and longer serial number format
1000 u8 serial[SERIAL_MAX];
1001 /* human readable board version */
1002 u8 boardversion[BOARD_VERS_MAX];
1003 u8 lbus_info[32]; /* human readable localbus info */
1004 /* chip major rev, from CceRevision */
1006 /* chip minor rev, from CceRevision */
1010 /* implementation code */
1012 /* default link down value (poll/sleep) */
1014 /* vAU of this device */
1016 /* vCU of this device */
1018 /* link credits of this device */
1020 /* initial vl15 credits to use */
1023 /* Misc small ints */
1024 /* Number of physical ports available */
1026 /* Lowest context number which can be used by user processes */
1032 u16 rhf_offset; /* offset of RHF within receive header entry */
1033 u16 irev; /* implementation revision */
1034 u16 dc8051_ver; /* 8051 firmware version */
1036 struct platform_config platform_config;
1037 struct platform_config_cache pcfg_cache;
1039 struct diag_client *diag_client;
1040 spinlock_t hfi1_diag_trans_lock; /* protect diag observer ops */
1042 u8 psxmitwait_supported;
1043 /* cycle length of PS* counters in HW (in picoseconds) */
1044 u16 psxmitwait_check_rate;
1046 /* MSI-X information */
1047 struct hfi1_msix_entry *msix_entries;
1048 u32 num_msix_entries;
1050 /* INTx information */
1051 u32 requested_intx_irq; /* did we request one? */
1052 char intx_name[MAX_NAME_SIZE]; /* INTx name */
1054 /* general interrupt: mask of handled interrupts */
1055 u64 gi_mask[CCE_NUM_INT_CSRS];
1057 struct rcv_array_data rcv_entries;
1060 * 64 bit synthetic counters
1062 struct timer_list synth_stats_timer;
1068 size_t cntrnameslen;
1074 * remembered values for synthetic counters
1083 char *portcntrnames;
1084 size_t portcntrnameslen;
1086 struct err_info_rcvport err_info_rcvport;
1087 struct err_info_constraint err_info_rcv_constraint;
1088 struct err_info_constraint err_info_xmit_constraint;
1089 u8 err_info_uncorrectable;
1090 u8 err_info_fmconfig;
1092 atomic_t drop_packet;
1096 * Software counters for the status bits defined by the
1097 * associated error status registers
1099 u64 cce_err_status_cnt[NUM_CCE_ERR_STATUS_COUNTERS];
1100 u64 rcv_err_status_cnt[NUM_RCV_ERR_STATUS_COUNTERS];
1101 u64 misc_err_status_cnt[NUM_MISC_ERR_STATUS_COUNTERS];
1102 u64 send_pio_err_status_cnt[NUM_SEND_PIO_ERR_STATUS_COUNTERS];
1103 u64 send_dma_err_status_cnt[NUM_SEND_DMA_ERR_STATUS_COUNTERS];
1104 u64 send_egress_err_status_cnt[NUM_SEND_EGRESS_ERR_STATUS_COUNTERS];
1105 u64 send_err_status_cnt[NUM_SEND_ERR_STATUS_COUNTERS];
1107 /* Software counter that spans all contexts */
1108 u64 sw_ctxt_err_status_cnt[NUM_SEND_CTXT_ERR_STATUS_COUNTERS];
1109 /* Software counter that spans all DMA engines */
1110 u64 sw_send_dma_eng_err_status_cnt[
1111 NUM_SEND_DMA_ENG_ERR_STATUS_COUNTERS];
1112 /* Software counter that aggregates all cce_err_status errors */
1113 u64 sw_cce_err_status_aggregate;
1114 /* Software counter that aggregates all bypass packet rcv errors */
1115 u64 sw_rcv_bypass_packet_errors;
1116 /* receive interrupt functions */
1117 rhf_rcv_function_ptr *rhf_rcv_function_map;
1118 rhf_rcv_function_ptr normal_rhf_rcv_functions[8];
1121 * Capability to have different send engines simply by changing a
1124 send_routine process_pio_send;
1125 send_routine process_dma_send;
1126 void (*pio_inline_send)(struct hfi1_devdata *dd, struct pio_buf *pbuf,
1127 u64 pbc, const void *from, size_t count);
1129 /* OUI comes from the HW. Used everywhere as 3 separate bytes. */
1133 /* Timer and counter used to detect RcvBufOvflCnt changes */
1134 struct timer_list rcverr_timer;
1137 wait_queue_head_t event_queue;
1139 /* Save the enabled LCB error bits */
1143 /* receive context tail dummy address */
1144 __le64 *rcvhdrtail_dummy_kvaddr;
1145 dma_addr_t rcvhdrtail_dummy_dma;
1147 bool eprom_available; /* true if EPROM is available for this device */
1148 bool aspm_supported; /* Does HW support ASPM */
1149 bool aspm_enabled; /* ASPM state: enabled/disabled */
1150 /* Serialize ASPM enable/disable between multiple verbs contexts */
1151 spinlock_t aspm_lock;
1152 /* Number of verbs contexts which have disabled ASPM */
1153 atomic_t aspm_disabled_cnt;
1154 /* Keeps track of user space clients */
1155 atomic_t user_refcount;
1156 /* Used to wait for outstanding user space clients before dev removal */
1157 struct completion user_comp;
1159 struct hfi1_affinity *affinity;
1160 struct rhashtable sdma_rht;
1161 struct kobject kobj;
1164 /* 8051 firmware version helper */
1165 #define dc8051_ver(a, b) ((a) << 8 | (b))
1166 #define dc8051_ver_maj(a) ((a & 0xff00) >> 8)
1167 #define dc8051_ver_min(a) (a & 0x00ff)
1169 /* f_put_tid types */
1170 #define PT_EXPECTED 0
1172 #define PT_INVALID 2
1176 struct mmu_rb_handler;
1178 /* Private data for file operations */
1179 struct hfi1_filedata {
1180 struct hfi1_ctxtdata *uctxt;
1182 struct hfi1_user_sdma_comp_q *cq;
1183 struct hfi1_user_sdma_pkt_q *pq;
1184 /* for cpu affinity; -1 if none */
1187 struct mmu_rb_handler *handler;
1188 struct tid_rb_node **entry_to_rb;
1189 spinlock_t tid_lock; /* protect tid_[limit,used] counters */
1193 u32 invalid_tid_idx;
1194 /* protect invalid_tids array and invalid_tid_idx */
1195 spinlock_t invalid_lock;
1196 struct mm_struct *mm;
1199 extern struct list_head hfi1_dev_list;
1200 extern spinlock_t hfi1_devs_lock;
1201 struct hfi1_devdata *hfi1_lookup(int unit);
1202 extern u32 hfi1_cpulist_count;
1203 extern unsigned long *hfi1_cpulist;
1205 int hfi1_init(struct hfi1_devdata *, int);
1206 int hfi1_count_units(int *npresentp, int *nupp);
1207 int hfi1_count_active_units(void);
1209 int hfi1_diag_add(struct hfi1_devdata *);
1210 void hfi1_diag_remove(struct hfi1_devdata *);
1211 void handle_linkup_change(struct hfi1_devdata *dd, u32 linkup);
1213 void handle_user_interrupt(struct hfi1_ctxtdata *rcd);
1215 int hfi1_create_rcvhdrq(struct hfi1_devdata *, struct hfi1_ctxtdata *);
1216 int hfi1_setup_eagerbufs(struct hfi1_ctxtdata *);
1217 int hfi1_create_ctxts(struct hfi1_devdata *dd);
1218 struct hfi1_ctxtdata *hfi1_create_ctxtdata(struct hfi1_pportdata *, u32, int);
1219 void hfi1_init_pportdata(struct pci_dev *, struct hfi1_pportdata *,
1220 struct hfi1_devdata *, u8, u8);
1221 void hfi1_free_ctxtdata(struct hfi1_devdata *, struct hfi1_ctxtdata *);
1223 int handle_receive_interrupt(struct hfi1_ctxtdata *, int);
1224 int handle_receive_interrupt_nodma_rtail(struct hfi1_ctxtdata *, int);
1225 int handle_receive_interrupt_dma_rtail(struct hfi1_ctxtdata *, int);
1226 void set_all_slowpath(struct hfi1_devdata *dd);
1228 extern const struct pci_device_id hfi1_pci_tbl[];
1230 /* receive packet handler dispositions */
1231 #define RCV_PKT_OK 0x0 /* keep going */
1232 #define RCV_PKT_LIMIT 0x1 /* stop, hit limit, start thread */
1233 #define RCV_PKT_DONE 0x2 /* stop, no more packets detected */
1235 /* calculate the current RHF address */
1236 static inline __le32 *get_rhf_addr(struct hfi1_ctxtdata *rcd)
1238 return (__le32 *)rcd->rcvhdrq + rcd->head + rcd->dd->rhf_offset;
1241 int hfi1_reset_device(int);
1243 /* return the driver's idea of the logical OPA port state */
1244 static inline u32 driver_lstate(struct hfi1_pportdata *ppd)
1246 return ppd->lstate; /* use the cached value */
1249 void receive_interrupt_work(struct work_struct *work);
1251 /* extract service channel from header and rhf */
1252 static inline int hdr2sc(struct ib_header *hdr, u64 rhf)
1254 return ((be16_to_cpu(hdr->lrh[0]) >> 12) & 0xf) |
1255 ((!!(rhf_dc_info(rhf))) << 4);
1258 #define HFI1_JKEY_WIDTH 16
1259 #define HFI1_JKEY_MASK (BIT(16) - 1)
1260 #define HFI1_ADMIN_JKEY_RANGE 32
1263 * J_KEYs are split and allocated in the following groups:
1264 * 0 - 31 - users with administrator privileges
1265 * 32 - 63 - kernel protocols using KDETH packets
1266 * 64 - 65535 - all other users using KDETH packets
1268 static inline u16 generate_jkey(kuid_t uid)
1270 u16 jkey = from_kuid(current_user_ns(), uid) & HFI1_JKEY_MASK;
1272 if (capable(CAP_SYS_ADMIN))
1273 jkey &= HFI1_ADMIN_JKEY_RANGE - 1;
1275 jkey |= BIT(HFI1_JKEY_WIDTH - 1);
1281 * active_egress_rate
1283 * returns the active egress rate in units of [10^6 bits/sec]
1285 static inline u32 active_egress_rate(struct hfi1_pportdata *ppd)
1287 u16 link_speed = ppd->link_speed_active;
1288 u16 link_width = ppd->link_width_active;
1291 if (link_speed == OPA_LINK_SPEED_25G)
1292 egress_rate = 25000;
1293 else /* assume OPA_LINK_SPEED_12_5G */
1294 egress_rate = 12500;
1296 switch (link_width) {
1297 case OPA_LINK_WIDTH_4X:
1300 case OPA_LINK_WIDTH_3X:
1303 case OPA_LINK_WIDTH_2X:
1307 /* assume IB_WIDTH_1X */
1317 * Returns the number of 'fabric clock cycles' to egress a packet
1318 * of length 'len' bytes, at 'rate' Mbit/s. Since the fabric clock
1319 * rate is (approximately) 805 MHz, the units of the returned value
1322 static inline u32 egress_cycles(u32 len, u32 rate)
1329 * (length) [bits] / (rate) [bits/sec]
1330 * ---------------------------------------------------
1331 * fabric_clock_period == 1 /(805 * 10^6) [cycles/sec]
1334 cycles = len * 8; /* bits */
1341 void set_link_ipg(struct hfi1_pportdata *ppd);
1342 void process_becn(struct hfi1_pportdata *ppd, u8 sl, u16 rlid, u32 lqpn,
1343 u32 rqpn, u8 svc_type);
1344 void return_cnp(struct hfi1_ibport *ibp, struct rvt_qp *qp, u32 remote_qpn,
1345 u32 pkey, u32 slid, u32 dlid, u8 sc5,
1346 const struct ib_grh *old_grh);
1347 #define PKEY_CHECK_INVALID -1
1348 int egress_pkey_check(struct hfi1_pportdata *ppd, __be16 *lrh, __be32 *bth,
1349 u8 sc5, int8_t s_pkey_index);
1351 #define PACKET_EGRESS_TIMEOUT 350
1352 static inline void pause_for_credit_return(struct hfi1_devdata *dd)
1354 /* Pause at least 1us, to ensure chip returns all credits */
1355 u32 usec = cclock_to_ns(dd, PACKET_EGRESS_TIMEOUT) / 1000;
1357 udelay(usec ? usec : 1);
1361 * sc_to_vlt() reverse lookup sc to vl
1365 static inline u8 sc_to_vlt(struct hfi1_devdata *dd, u8 sc5)
1370 if (sc5 >= OPA_MAX_SCS)
1374 seq = read_seqbegin(&dd->sc2vl_lock);
1375 rval = *(((u8 *)dd->sc2vl) + sc5);
1376 } while (read_seqretry(&dd->sc2vl_lock, seq));
1381 #define PKEY_MEMBER_MASK 0x8000
1382 #define PKEY_LOW_15_MASK 0x7fff
1385 * ingress_pkey_matches_entry - return 1 if the pkey matches ent (ent
1386 * being an entry from the ingress partition key table), return 0
1387 * otherwise. Use the matching criteria for ingress partition keys
1388 * specified in the OPAv1 spec., section 9.10.14.
1390 static inline int ingress_pkey_matches_entry(u16 pkey, u16 ent)
1392 u16 mkey = pkey & PKEY_LOW_15_MASK;
1393 u16 ment = ent & PKEY_LOW_15_MASK;
1397 * If pkey[15] is clear (limited partition member),
1398 * is bit 15 in the corresponding table element
1399 * clear (limited member)?
1401 if (!(pkey & PKEY_MEMBER_MASK))
1402 return !!(ent & PKEY_MEMBER_MASK);
1409 * ingress_pkey_table_search - search the entire pkey table for
1410 * an entry which matches 'pkey'. return 0 if a match is found,
1413 static int ingress_pkey_table_search(struct hfi1_pportdata *ppd, u16 pkey)
1417 for (i = 0; i < MAX_PKEY_VALUES; i++) {
1418 if (ingress_pkey_matches_entry(pkey, ppd->pkeys[i]))
1425 * ingress_pkey_table_fail - record a failure of ingress pkey validation,
1426 * i.e., increment port_rcv_constraint_errors for the port, and record
1427 * the 'error info' for this failure.
1429 static void ingress_pkey_table_fail(struct hfi1_pportdata *ppd, u16 pkey,
1432 struct hfi1_devdata *dd = ppd->dd;
1434 incr_cntr64(&ppd->port_rcv_constraint_errors);
1435 if (!(dd->err_info_rcv_constraint.status & OPA_EI_STATUS_SMASK)) {
1436 dd->err_info_rcv_constraint.status |= OPA_EI_STATUS_SMASK;
1437 dd->err_info_rcv_constraint.slid = slid;
1438 dd->err_info_rcv_constraint.pkey = pkey;
1443 * ingress_pkey_check - Return 0 if the ingress pkey is valid, return 1
1444 * otherwise. Use the criteria in the OPAv1 spec, section 9.10.14. idx
1445 * is a hint as to the best place in the partition key table to begin
1446 * searching. This function should not be called on the data path because
1447 * of performance reasons. On datapath pkey check is expected to be done
1448 * by HW and rcv_pkey_check function should be called instead.
1450 static inline int ingress_pkey_check(struct hfi1_pportdata *ppd, u16 pkey,
1451 u8 sc5, u8 idx, u16 slid)
1453 if (!(ppd->part_enforce & HFI1_PART_ENFORCE_IN))
1456 /* If SC15, pkey[0:14] must be 0x7fff */
1457 if ((sc5 == 0xf) && ((pkey & PKEY_LOW_15_MASK) != PKEY_LOW_15_MASK))
1460 /* Is the pkey = 0x0, or 0x8000? */
1461 if ((pkey & PKEY_LOW_15_MASK) == 0)
1464 /* The most likely matching pkey has index 'idx' */
1465 if (ingress_pkey_matches_entry(pkey, ppd->pkeys[idx]))
1468 /* no match - try the whole table */
1469 if (!ingress_pkey_table_search(ppd, pkey))
1473 ingress_pkey_table_fail(ppd, pkey, slid);
1478 * rcv_pkey_check - Return 0 if the ingress pkey is valid, return 1
1479 * otherwise. It only ensures pkey is vlid for QP0. This function
1480 * should be called on the data path instead of ingress_pkey_check
1481 * as on data path, pkey check is done by HW (except for QP0).
1483 static inline int rcv_pkey_check(struct hfi1_pportdata *ppd, u16 pkey,
1486 if (!(ppd->part_enforce & HFI1_PART_ENFORCE_IN))
1489 /* If SC15, pkey[0:14] must be 0x7fff */
1490 if ((sc5 == 0xf) && ((pkey & PKEY_LOW_15_MASK) != PKEY_LOW_15_MASK))
1495 ingress_pkey_table_fail(ppd, pkey, slid);
1501 /* MTU enumeration, 256-4k match IB */
1503 #define OPA_MTU_256 1
1504 #define OPA_MTU_512 2
1505 #define OPA_MTU_1024 3
1506 #define OPA_MTU_2048 4
1507 #define OPA_MTU_4096 5
1509 u32 lrh_max_header_bytes(struct hfi1_devdata *dd);
1510 int mtu_to_enum(u32 mtu, int default_if_bad);
1511 u16 enum_to_mtu(int);
1512 static inline int valid_ib_mtu(unsigned int mtu)
1514 return mtu == 256 || mtu == 512 ||
1515 mtu == 1024 || mtu == 2048 ||
1519 static inline int valid_opa_max_mtu(unsigned int mtu)
1521 return mtu >= 2048 &&
1522 (valid_ib_mtu(mtu) || mtu == 8192 || mtu == 10240);
1525 int set_mtu(struct hfi1_pportdata *);
1527 int hfi1_set_lid(struct hfi1_pportdata *, u32, u8);
1528 void hfi1_disable_after_error(struct hfi1_devdata *);
1529 int hfi1_set_uevent_bits(struct hfi1_pportdata *, const int);
1530 int hfi1_rcvbuf_validate(u32, u8, u16 *);
1532 int fm_get_table(struct hfi1_pportdata *, int, void *);
1533 int fm_set_table(struct hfi1_pportdata *, int, void *);
1535 void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf);
1536 void reset_link_credits(struct hfi1_devdata *dd);
1537 void assign_remote_cm_au_table(struct hfi1_devdata *dd, u8 vcu);
1539 int set_buffer_control(struct hfi1_pportdata *ppd, struct buffer_control *bc);
1541 static inline struct hfi1_devdata *dd_from_ppd(struct hfi1_pportdata *ppd)
1546 static inline struct hfi1_devdata *dd_from_dev(struct hfi1_ibdev *dev)
1548 return container_of(dev, struct hfi1_devdata, verbs_dev);
1551 static inline struct hfi1_devdata *dd_from_ibdev(struct ib_device *ibdev)
1553 return dd_from_dev(to_idev(ibdev));
1556 static inline struct hfi1_pportdata *ppd_from_ibp(struct hfi1_ibport *ibp)
1558 return container_of(ibp, struct hfi1_pportdata, ibport_data);
1561 static inline struct hfi1_ibdev *dev_from_rdi(struct rvt_dev_info *rdi)
1563 return container_of(rdi, struct hfi1_ibdev, rdi);
1566 static inline struct hfi1_ibport *to_iport(struct ib_device *ibdev, u8 port)
1568 struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
1569 unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */
1571 WARN_ON(pidx >= dd->num_pports);
1572 return &dd->pport[pidx].ibport_data;
1575 void hfi1_process_ecn_slowpath(struct rvt_qp *qp, struct hfi1_packet *pkt,
1577 static inline bool process_ecn(struct rvt_qp *qp, struct hfi1_packet *pkt,
1580 struct ib_other_headers *ohdr = pkt->ohdr;
1583 bth1 = be32_to_cpu(ohdr->bth[1]);
1584 if (unlikely(bth1 & (HFI1_BECN_SMASK | HFI1_FECN_SMASK))) {
1585 hfi1_process_ecn_slowpath(qp, pkt, do_cnp);
1586 return bth1 & HFI1_FECN_SMASK;
1592 * Return the indexed PKEY from the port PKEY table.
1594 static inline u16 hfi1_get_pkey(struct hfi1_ibport *ibp, unsigned index)
1596 struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
1599 if (index >= ARRAY_SIZE(ppd->pkeys))
1602 ret = ppd->pkeys[index];
1608 * Called by readers of cc_state only, must call under rcu_read_lock().
1610 static inline struct cc_state *get_cc_state(struct hfi1_pportdata *ppd)
1612 return rcu_dereference(ppd->cc_state);
1616 * Called by writers of cc_state only, must call under cc_state_lock.
1619 struct cc_state *get_cc_state_protected(struct hfi1_pportdata *ppd)
1621 return rcu_dereference_protected(ppd->cc_state,
1622 lockdep_is_held(&ppd->cc_state_lock));
1626 * values for dd->flags (_device_ related flags)
1628 #define HFI1_INITTED 0x1 /* chip and driver up and initted */
1629 #define HFI1_PRESENT 0x2 /* chip accesses can be done */
1630 #define HFI1_FROZEN 0x4 /* chip in SPC freeze */
1631 #define HFI1_HAS_SDMA_TIMEOUT 0x8
1632 #define HFI1_HAS_SEND_DMA 0x10 /* Supports Send DMA */
1633 #define HFI1_FORCED_FREEZE 0x80 /* driver forced freeze mode */
1634 #define HFI1_SHUTDOWN 0x100 /* device is shutting down */
1636 /* IB dword length mask in PBC (lower 11 bits); same for all chips */
1637 #define HFI1_PBC_LENGTH_MASK ((1 << 11) - 1)
1639 /* ctxt_flag bit offsets */
1640 /* context has been setup */
1641 #define HFI1_CTXT_SETUP_DONE 1
1642 /* waiting for a packet to arrive */
1643 #define HFI1_CTXT_WAITING_RCV 2
1644 /* master has not finished initializing */
1645 #define HFI1_CTXT_MASTER_UNINIT 4
1646 /* waiting for an urgent packet to arrive */
1647 #define HFI1_CTXT_WAITING_URG 5
1649 /* free up any allocated data at closes */
1650 struct hfi1_devdata *hfi1_init_dd(struct pci_dev *,
1651 const struct pci_device_id *);
1652 void hfi1_free_devdata(struct hfi1_devdata *);
1653 struct hfi1_devdata *hfi1_alloc_devdata(struct pci_dev *pdev, size_t extra);
1655 /* LED beaconing functions */
1656 void hfi1_start_led_override(struct hfi1_pportdata *ppd, unsigned int timeon,
1657 unsigned int timeoff);
1658 void shutdown_led_override(struct hfi1_pportdata *ppd);
1660 #define HFI1_CREDIT_RETURN_RATE (100)
1663 * The number of words for the KDETH protocol field. If this is
1664 * larger then the actual field used, then part of the payload
1665 * will be in the header.
1667 * Optimally, we want this sized so that a typical case will
1668 * use full cache lines. The typical local KDETH header would
1679 * For a 64-byte cache line, KDETH would need to be 36 bytes or 9 DWORDS
1681 #define DEFAULT_RCVHDRSIZE 9
1684 * Maximal header byte count:
1695 * We also want to maintain a cache line alignment to assist DMA'ing
1696 * of the header bytes. Round up to a good size.
1698 #define DEFAULT_RCVHDR_ENTSIZE 32
1700 bool hfi1_can_pin_pages(struct hfi1_devdata *dd, struct mm_struct *mm,
1701 u32 nlocked, u32 npages);
1702 int hfi1_acquire_user_pages(struct mm_struct *mm, unsigned long vaddr,
1703 size_t npages, bool writable, struct page **pages);
1704 void hfi1_release_user_pages(struct mm_struct *mm, struct page **p,
1705 size_t npages, bool dirty);
1707 static inline void clear_rcvhdrtail(const struct hfi1_ctxtdata *rcd)
1709 *((u64 *)rcd->rcvhdrtail_kvaddr) = 0ULL;
1712 static inline u32 get_rcvhdrtail(const struct hfi1_ctxtdata *rcd)
1715 * volatile because it's a DMA target from the chip, routine is
1716 * inlined, and don't want register caching or reordering.
1718 return (u32)le64_to_cpu(*rcd->rcvhdrtail_kvaddr);
1725 extern const char ib_hfi1_version[];
1727 int hfi1_device_create(struct hfi1_devdata *);
1728 void hfi1_device_remove(struct hfi1_devdata *);
1730 int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num,
1731 struct kobject *kobj);
1732 int hfi1_verbs_register_sysfs(struct hfi1_devdata *);
1733 void hfi1_verbs_unregister_sysfs(struct hfi1_devdata *);
1734 /* Hook for sysfs read of QSFP */
1735 int qsfp_dump(struct hfi1_pportdata *ppd, char *buf, int len);
1737 int hfi1_pcie_init(struct pci_dev *, const struct pci_device_id *);
1738 void hfi1_pcie_cleanup(struct pci_dev *);
1739 int hfi1_pcie_ddinit(struct hfi1_devdata *, struct pci_dev *);
1740 void hfi1_pcie_ddcleanup(struct hfi1_devdata *);
1741 void hfi1_pcie_flr(struct hfi1_devdata *);
1742 int pcie_speeds(struct hfi1_devdata *);
1743 void request_msix(struct hfi1_devdata *, u32 *, struct hfi1_msix_entry *);
1744 void hfi1_enable_intx(struct pci_dev *);
1745 void restore_pci_variables(struct hfi1_devdata *dd);
1746 int do_pcie_gen3_transition(struct hfi1_devdata *dd);
1747 int parse_platform_config(struct hfi1_devdata *dd);
1748 int get_platform_config_field(struct hfi1_devdata *dd,
1749 enum platform_config_table_type_encoding
1750 table_type, int table_index, int field_index,
1751 u32 *data, u32 len);
1753 const char *get_unit_name(int unit);
1754 const char *get_card_name(struct rvt_dev_info *rdi);
1755 struct pci_dev *get_pci_dev(struct rvt_dev_info *rdi);
1758 * Flush write combining store buffers (if present) and perform a write
1761 static inline void flush_wc(void)
1763 asm volatile("sfence" : : : "memory");
1766 void handle_eflags(struct hfi1_packet *packet);
1767 int process_receive_ib(struct hfi1_packet *packet);
1768 int process_receive_bypass(struct hfi1_packet *packet);
1769 int process_receive_error(struct hfi1_packet *packet);
1770 int kdeth_process_expected(struct hfi1_packet *packet);
1771 int kdeth_process_eager(struct hfi1_packet *packet);
1772 int process_receive_invalid(struct hfi1_packet *packet);
1774 void update_sge(struct rvt_sge_state *ss, u32 length);
1776 /* global module parameter variables */
1777 extern unsigned int hfi1_max_mtu;
1778 extern unsigned int hfi1_cu;
1779 extern unsigned int user_credit_return_threshold;
1780 extern int num_user_contexts;
1781 extern unsigned long n_krcvqs;
1782 extern uint krcvqs[];
1783 extern int krcvqsset;
1784 extern uint kdeth_qp;
1785 extern uint loopback;
1786 extern uint quick_linkup;
1787 extern uint rcv_intr_timeout;
1788 extern uint rcv_intr_count;
1789 extern uint rcv_intr_dynamic;
1790 extern ushort link_crc_mask;
1792 extern struct mutex hfi1_mutex;
1794 /* Number of seconds before our card status check... */
1795 #define STATUS_TIMEOUT 60
1797 #define DRIVER_NAME "hfi1"
1798 #define HFI1_USER_MINOR_BASE 0
1799 #define HFI1_TRACE_MINOR 127
1800 #define HFI1_NMINORS 255
1802 #define PCI_VENDOR_ID_INTEL 0x8086
1803 #define PCI_DEVICE_ID_INTEL0 0x24f0
1804 #define PCI_DEVICE_ID_INTEL1 0x24f1
1806 #define HFI1_PKT_USER_SC_INTEGRITY \
1807 (SEND_CTXT_CHECK_ENABLE_DISALLOW_NON_KDETH_PACKETS_SMASK \
1808 | SEND_CTXT_CHECK_ENABLE_DISALLOW_KDETH_PACKETS_SMASK \
1809 | SEND_CTXT_CHECK_ENABLE_DISALLOW_BYPASS_SMASK \
1810 | SEND_CTXT_CHECK_ENABLE_DISALLOW_GRH_SMASK)
1812 #define HFI1_PKT_KERNEL_SC_INTEGRITY \
1813 (SEND_CTXT_CHECK_ENABLE_DISALLOW_KDETH_PACKETS_SMASK)
1815 static inline u64 hfi1_pkt_default_send_ctxt_mask(struct hfi1_devdata *dd,
1818 u64 base_sc_integrity;
1820 /* No integrity checks if HFI1_CAP_NO_INTEGRITY is set */
1821 if (HFI1_CAP_IS_KSET(NO_INTEGRITY))
1825 SEND_CTXT_CHECK_ENABLE_DISALLOW_BYPASS_BAD_PKT_LEN_SMASK
1826 | SEND_CTXT_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK
1827 | SEND_CTXT_CHECK_ENABLE_DISALLOW_TOO_LONG_BYPASS_PACKETS_SMASK
1828 | SEND_CTXT_CHECK_ENABLE_DISALLOW_TOO_LONG_IB_PACKETS_SMASK
1829 | SEND_CTXT_CHECK_ENABLE_DISALLOW_BAD_PKT_LEN_SMASK
1830 | SEND_CTXT_CHECK_ENABLE_DISALLOW_PBC_TEST_SMASK
1831 | SEND_CTXT_CHECK_ENABLE_DISALLOW_TOO_SMALL_BYPASS_PACKETS_SMASK
1832 | SEND_CTXT_CHECK_ENABLE_DISALLOW_TOO_SMALL_IB_PACKETS_SMASK
1833 | SEND_CTXT_CHECK_ENABLE_DISALLOW_RAW_IPV6_SMASK
1834 | SEND_CTXT_CHECK_ENABLE_DISALLOW_RAW_SMASK
1835 | SEND_CTXT_CHECK_ENABLE_CHECK_BYPASS_VL_MAPPING_SMASK
1836 | SEND_CTXT_CHECK_ENABLE_CHECK_VL_MAPPING_SMASK
1837 | SEND_CTXT_CHECK_ENABLE_CHECK_OPCODE_SMASK
1838 | SEND_CTXT_CHECK_ENABLE_CHECK_SLID_SMASK
1839 | SEND_CTXT_CHECK_ENABLE_CHECK_VL_SMASK
1840 | SEND_CTXT_CHECK_ENABLE_CHECK_ENABLE_SMASK;
1842 if (ctxt_type == SC_USER)
1843 base_sc_integrity |= HFI1_PKT_USER_SC_INTEGRITY;
1845 base_sc_integrity |= HFI1_PKT_KERNEL_SC_INTEGRITY;
1847 /* turn on send-side job key checks if !A0 */
1849 base_sc_integrity |= SEND_CTXT_CHECK_ENABLE_CHECK_JOB_KEY_SMASK;
1851 return base_sc_integrity;
1854 static inline u64 hfi1_pkt_base_sdma_integrity(struct hfi1_devdata *dd)
1856 u64 base_sdma_integrity;
1858 /* No integrity checks if HFI1_CAP_NO_INTEGRITY is set */
1859 if (HFI1_CAP_IS_KSET(NO_INTEGRITY))
1862 base_sdma_integrity =
1863 SEND_DMA_CHECK_ENABLE_DISALLOW_BYPASS_BAD_PKT_LEN_SMASK
1864 | SEND_DMA_CHECK_ENABLE_DISALLOW_TOO_LONG_BYPASS_PACKETS_SMASK
1865 | SEND_DMA_CHECK_ENABLE_DISALLOW_TOO_LONG_IB_PACKETS_SMASK
1866 | SEND_DMA_CHECK_ENABLE_DISALLOW_BAD_PKT_LEN_SMASK
1867 | SEND_DMA_CHECK_ENABLE_DISALLOW_TOO_SMALL_BYPASS_PACKETS_SMASK
1868 | SEND_DMA_CHECK_ENABLE_DISALLOW_TOO_SMALL_IB_PACKETS_SMASK
1869 | SEND_DMA_CHECK_ENABLE_DISALLOW_RAW_IPV6_SMASK
1870 | SEND_DMA_CHECK_ENABLE_DISALLOW_RAW_SMASK
1871 | SEND_DMA_CHECK_ENABLE_CHECK_BYPASS_VL_MAPPING_SMASK
1872 | SEND_DMA_CHECK_ENABLE_CHECK_VL_MAPPING_SMASK
1873 | SEND_DMA_CHECK_ENABLE_CHECK_OPCODE_SMASK
1874 | SEND_DMA_CHECK_ENABLE_CHECK_SLID_SMASK
1875 | SEND_DMA_CHECK_ENABLE_CHECK_VL_SMASK
1876 | SEND_DMA_CHECK_ENABLE_CHECK_ENABLE_SMASK;
1878 if (!HFI1_CAP_IS_KSET(STATIC_RATE_CTRL))
1879 base_sdma_integrity |=
1880 SEND_DMA_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK;
1882 /* turn on send-side job key checks if !A0 */
1884 base_sdma_integrity |=
1885 SEND_DMA_CHECK_ENABLE_CHECK_JOB_KEY_SMASK;
1887 return base_sdma_integrity;
1891 * hfi1_early_err is used (only!) to print early errors before devdata is
1892 * allocated, or when dd->pcidev may not be valid, and at the tail end of
1893 * cleanup when devdata may have been freed, etc. hfi1_dev_porterr is
1894 * the same as dd_dev_err, but is used when the message really needs
1895 * the IB port# to be definitive as to what's happening..
1897 #define hfi1_early_err(dev, fmt, ...) \
1898 dev_err(dev, fmt, ##__VA_ARGS__)
1900 #define hfi1_early_info(dev, fmt, ...) \
1901 dev_info(dev, fmt, ##__VA_ARGS__)
1903 #define dd_dev_emerg(dd, fmt, ...) \
1904 dev_emerg(&(dd)->pcidev->dev, "%s: " fmt, \
1905 get_unit_name((dd)->unit), ##__VA_ARGS__)
1906 #define dd_dev_err(dd, fmt, ...) \
1907 dev_err(&(dd)->pcidev->dev, "%s: " fmt, \
1908 get_unit_name((dd)->unit), ##__VA_ARGS__)
1909 #define dd_dev_warn(dd, fmt, ...) \
1910 dev_warn(&(dd)->pcidev->dev, "%s: " fmt, \
1911 get_unit_name((dd)->unit), ##__VA_ARGS__)
1913 #define dd_dev_warn_ratelimited(dd, fmt, ...) \
1914 dev_warn_ratelimited(&(dd)->pcidev->dev, "%s: " fmt, \
1915 get_unit_name((dd)->unit), ##__VA_ARGS__)
1917 #define dd_dev_info(dd, fmt, ...) \
1918 dev_info(&(dd)->pcidev->dev, "%s: " fmt, \
1919 get_unit_name((dd)->unit), ##__VA_ARGS__)
1921 #define dd_dev_dbg(dd, fmt, ...) \
1922 dev_dbg(&(dd)->pcidev->dev, "%s: " fmt, \
1923 get_unit_name((dd)->unit), ##__VA_ARGS__)
1925 #define hfi1_dev_porterr(dd, port, fmt, ...) \
1926 dev_err(&(dd)->pcidev->dev, "%s: port %u: " fmt, \
1927 get_unit_name((dd)->unit), (port), ##__VA_ARGS__)
1930 * this is used for formatting hw error messages...
1932 struct hfi1_hwerror_msgs {
1939 void hfi1_format_hwerrors(u64 hwerrs,
1940 const struct hfi1_hwerror_msgs *hwerrmsgs,
1941 size_t nhwerrmsgs, char *msg, size_t lmsg);
1943 #define USER_OPCODE_CHECK_VAL 0xC0
1944 #define USER_OPCODE_CHECK_MASK 0xC0
1945 #define OPCODE_CHECK_VAL_DISABLED 0x0
1946 #define OPCODE_CHECK_MASK_DISABLED 0x0
1948 static inline void hfi1_reset_cpu_counters(struct hfi1_devdata *dd)
1950 struct hfi1_pportdata *ppd;
1953 dd->z_int_counter = get_all_cpu_total(dd->int_counter);
1954 dd->z_rcv_limit = get_all_cpu_total(dd->rcv_limit);
1955 dd->z_send_schedule = get_all_cpu_total(dd->send_schedule);
1957 ppd = (struct hfi1_pportdata *)(dd + 1);
1958 for (i = 0; i < dd->num_pports; i++, ppd++) {
1959 ppd->ibport_data.rvp.z_rc_acks =
1960 get_all_cpu_total(ppd->ibport_data.rvp.rc_acks);
1961 ppd->ibport_data.rvp.z_rc_qacks =
1962 get_all_cpu_total(ppd->ibport_data.rvp.rc_qacks);
1966 /* Control LED state */
1967 static inline void setextled(struct hfi1_devdata *dd, u32 on)
1970 write_csr(dd, DCC_CFG_LED_CNTRL, 0x1F);
1972 write_csr(dd, DCC_CFG_LED_CNTRL, 0x10);
1975 /* return the i2c resource given the target */
1976 static inline u32 i2c_target(u32 target)
1978 return target ? CR_I2C2 : CR_I2C1;
1981 /* return the i2c chain chip resource that this HFI uses for QSFP */
1982 static inline u32 qsfp_resource(struct hfi1_devdata *dd)
1984 return i2c_target(dd->hfi1_id);
1987 int hfi1_tempsense_rd(struct hfi1_devdata *dd, struct hfi1_temp *temp);
1989 #define DD_DEV_ENTRY(dd) __string(dev, dev_name(&(dd)->pcidev->dev))
1990 #define DD_DEV_ASSIGN(dd) __assign_str(dev, dev_name(&(dd)->pcidev->dev))
1992 #define packettype_name(etype) { RHF_RCV_TYPE_##etype, #etype }
1993 #define show_packettype(etype) \
1994 __print_symbolic(etype, \
1995 packettype_name(EXPECTED), \
1996 packettype_name(EAGER), \
1997 packettype_name(IB), \
1998 packettype_name(ERROR), \
1999 packettype_name(BYPASS))
2001 #define ib_opcode_name(opcode) { IB_OPCODE_##opcode, #opcode }
2002 #define show_ib_opcode(opcode) \
2003 __print_symbolic(opcode, \
2004 ib_opcode_name(RC_SEND_FIRST), \
2005 ib_opcode_name(RC_SEND_MIDDLE), \
2006 ib_opcode_name(RC_SEND_LAST), \
2007 ib_opcode_name(RC_SEND_LAST_WITH_IMMEDIATE), \
2008 ib_opcode_name(RC_SEND_ONLY), \
2009 ib_opcode_name(RC_SEND_ONLY_WITH_IMMEDIATE), \
2010 ib_opcode_name(RC_RDMA_WRITE_FIRST), \
2011 ib_opcode_name(RC_RDMA_WRITE_MIDDLE), \
2012 ib_opcode_name(RC_RDMA_WRITE_LAST), \
2013 ib_opcode_name(RC_RDMA_WRITE_LAST_WITH_IMMEDIATE), \
2014 ib_opcode_name(RC_RDMA_WRITE_ONLY), \
2015 ib_opcode_name(RC_RDMA_WRITE_ONLY_WITH_IMMEDIATE), \
2016 ib_opcode_name(RC_RDMA_READ_REQUEST), \
2017 ib_opcode_name(RC_RDMA_READ_RESPONSE_FIRST), \
2018 ib_opcode_name(RC_RDMA_READ_RESPONSE_MIDDLE), \
2019 ib_opcode_name(RC_RDMA_READ_RESPONSE_LAST), \
2020 ib_opcode_name(RC_RDMA_READ_RESPONSE_ONLY), \
2021 ib_opcode_name(RC_ACKNOWLEDGE), \
2022 ib_opcode_name(RC_ATOMIC_ACKNOWLEDGE), \
2023 ib_opcode_name(RC_COMPARE_SWAP), \
2024 ib_opcode_name(RC_FETCH_ADD), \
2025 ib_opcode_name(UC_SEND_FIRST), \
2026 ib_opcode_name(UC_SEND_MIDDLE), \
2027 ib_opcode_name(UC_SEND_LAST), \
2028 ib_opcode_name(UC_SEND_LAST_WITH_IMMEDIATE), \
2029 ib_opcode_name(UC_SEND_ONLY), \
2030 ib_opcode_name(UC_SEND_ONLY_WITH_IMMEDIATE), \
2031 ib_opcode_name(UC_RDMA_WRITE_FIRST), \
2032 ib_opcode_name(UC_RDMA_WRITE_MIDDLE), \
2033 ib_opcode_name(UC_RDMA_WRITE_LAST), \
2034 ib_opcode_name(UC_RDMA_WRITE_LAST_WITH_IMMEDIATE), \
2035 ib_opcode_name(UC_RDMA_WRITE_ONLY), \
2036 ib_opcode_name(UC_RDMA_WRITE_ONLY_WITH_IMMEDIATE), \
2037 ib_opcode_name(UD_SEND_ONLY), \
2038 ib_opcode_name(UD_SEND_ONLY_WITH_IMMEDIATE), \
2039 ib_opcode_name(CNP))
2040 #endif /* _HFI1_KERNEL_H */