xref: /openbmc/linux/drivers/infiniband/hw/hfi1/trace.c (revision b830f94f)
1 /*
2  * Copyright(c) 2015 - 2018 Intel Corporation.
3  *
4  * This file is provided under a dual BSD/GPLv2 license.  When using or
5  * redistributing this file, you may do so under either license.
6  *
7  * GPL LICENSE SUMMARY
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of version 2 of the GNU General Public License as
11  * published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * General Public License for more details.
17  *
18  * BSD LICENSE
19  *
20  * Redistribution and use in source and binary forms, with or without
21  * modification, are permitted provided that the following conditions
22  * are met:
23  *
24  *  - Redistributions of source code must retain the above copyright
25  *    notice, this list of conditions and the following disclaimer.
26  *  - Redistributions in binary form must reproduce the above copyright
27  *    notice, this list of conditions and the following disclaimer in
28  *    the documentation and/or other materials provided with the
29  *    distribution.
30  *  - Neither the name of Intel Corporation nor the names of its
31  *    contributors may be used to endorse or promote products derived
32  *    from this software without specific prior written permission.
33  *
34  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
35  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
36  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
37  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
38  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
39  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
40  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
41  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
42  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
43  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
44  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45  *
46  */
47 #define CREATE_TRACE_POINTS
48 #include "trace.h"
49 #include "exp_rcv.h"
50 
51 static u8 __get_ib_hdr_len(struct ib_header *hdr)
52 {
53 	struct ib_other_headers *ohdr;
54 	u8 opcode;
55 
56 	if (ib_get_lnh(hdr) == HFI1_LRH_BTH)
57 		ohdr = &hdr->u.oth;
58 	else
59 		ohdr = &hdr->u.l.oth;
60 	opcode = ib_bth_get_opcode(ohdr);
61 	return hdr_len_by_opcode[opcode] == 0 ?
62 	       0 : hdr_len_by_opcode[opcode] - (12 + 8);
63 }
64 
65 static u8 __get_16b_hdr_len(struct hfi1_16b_header *hdr)
66 {
67 	struct ib_other_headers *ohdr = NULL;
68 	u8 opcode;
69 	u8 l4 = hfi1_16B_get_l4(hdr);
70 
71 	if (l4 == OPA_16B_L4_FM) {
72 		opcode = IB_OPCODE_UD_SEND_ONLY;
73 		return (8 + 8); /* No BTH */
74 	}
75 
76 	if (l4 == OPA_16B_L4_IB_LOCAL)
77 		ohdr = &hdr->u.oth;
78 	else
79 		ohdr = &hdr->u.l.oth;
80 
81 	opcode = ib_bth_get_opcode(ohdr);
82 	return hdr_len_by_opcode[opcode] == 0 ?
83 	       0 : hdr_len_by_opcode[opcode] - (12 + 8 + 8);
84 }
85 
86 u8 hfi1_trace_packet_hdr_len(struct hfi1_packet *packet)
87 {
88 	if (packet->etype != RHF_RCV_TYPE_BYPASS)
89 		return __get_ib_hdr_len(packet->hdr);
90 	else
91 		return __get_16b_hdr_len(packet->hdr);
92 }
93 
94 u8 hfi1_trace_opa_hdr_len(struct hfi1_opa_header *opa_hdr)
95 {
96 	if (!opa_hdr->hdr_type)
97 		return __get_ib_hdr_len(&opa_hdr->ibh);
98 	else
99 		return __get_16b_hdr_len(&opa_hdr->opah);
100 }
101 
102 const char *hfi1_trace_get_packet_l4_str(u8 l4)
103 {
104 	if (l4)
105 		return "16B";
106 	else
107 		return "9B";
108 }
109 
110 const char *hfi1_trace_get_packet_l2_str(u8 l2)
111 {
112 	switch (l2) {
113 	case 0:
114 		return "0";
115 	case 1:
116 		return "1";
117 	case 2:
118 		return "16B";
119 	case 3:
120 		return "9B";
121 	}
122 	return "";
123 }
124 
125 #define IMM_PRN  "imm:%d"
126 #define RETH_PRN "reth vaddr:0x%.16llx rkey:0x%.8x dlen:0x%.8x"
127 #define AETH_PRN "aeth syn:0x%.2x %s msn:0x%.8x"
128 #define DETH_PRN "deth qkey:0x%.8x sqpn:0x%.6x"
129 #define IETH_PRN "ieth rkey:0x%.8x"
130 #define ATOMICACKETH_PRN "origdata:%llx"
131 #define ATOMICETH_PRN "vaddr:0x%llx rkey:0x%.8x sdata:%llx cdata:%llx"
132 #define TID_RDMA_KDETH "kdeth0 0x%x kdeth1 0x%x"
133 #define TID_RDMA_KDETH_DATA "kdeth0 0x%x: kver %u sh %u intr %u tidctrl %u tid %x offset %x kdeth1 0x%x: jkey %x"
134 #define TID_READ_REQ_PRN "tid_flow_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
135 #define TID_READ_RSP_PRN "verbs_qp 0x%x"
136 #define TID_WRITE_REQ_PRN "original_qp 0x%x"
137 #define TID_WRITE_RSP_PRN "tid_flow_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
138 #define TID_WRITE_DATA_PRN "verbs_qp 0x%x"
139 #define TID_ACK_PRN "tid_flow_psn 0x%x verbs_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
140 #define TID_RESYNC_PRN "verbs_qp 0x%x"
141 
142 #define OP(transport, op) IB_OPCODE_## transport ## _ ## op
143 
144 static const char *parse_syndrome(u8 syndrome)
145 {
146 	switch (syndrome >> 5) {
147 	case 0:
148 		return "ACK";
149 	case 1:
150 		return "RNRNAK";
151 	case 3:
152 		return "NAK";
153 	}
154 	return "";
155 }
156 
157 void hfi1_trace_parse_9b_bth(struct ib_other_headers *ohdr,
158 			     u8 *ack, bool *becn, bool *fecn, u8 *mig,
159 			     u8 *se, u8 *pad, u8 *opcode, u8 *tver,
160 			     u16 *pkey, u32 *psn, u32 *qpn)
161 {
162 	*ack = ib_bth_get_ackreq(ohdr);
163 	*becn = ib_bth_get_becn(ohdr);
164 	*fecn = ib_bth_get_fecn(ohdr);
165 	*mig = ib_bth_get_migreq(ohdr);
166 	*se = ib_bth_get_se(ohdr);
167 	*pad = ib_bth_get_pad(ohdr);
168 	*opcode = ib_bth_get_opcode(ohdr);
169 	*tver = ib_bth_get_tver(ohdr);
170 	*pkey = ib_bth_get_pkey(ohdr);
171 	*psn = mask_psn(ib_bth_get_psn(ohdr));
172 	*qpn = ib_bth_get_qpn(ohdr);
173 }
174 
175 void hfi1_trace_parse_16b_bth(struct ib_other_headers *ohdr,
176 			      u8 *ack, u8 *mig, u8 *opcode,
177 			      u8 *pad, u8 *se, u8 *tver,
178 			      u32 *psn, u32 *qpn)
179 {
180 	*ack = ib_bth_get_ackreq(ohdr);
181 	*mig = ib_bth_get_migreq(ohdr);
182 	*opcode = ib_bth_get_opcode(ohdr);
183 	*pad = ib_bth_get_pad(ohdr);
184 	*se = ib_bth_get_se(ohdr);
185 	*tver = ib_bth_get_tver(ohdr);
186 	*psn = mask_psn(ib_bth_get_psn(ohdr));
187 	*qpn = ib_bth_get_qpn(ohdr);
188 }
189 
190 void hfi1_trace_parse_9b_hdr(struct ib_header *hdr, bool sc5,
191 			     u8 *lnh, u8 *lver, u8 *sl, u8 *sc,
192 			     u16 *len, u32 *dlid, u32 *slid)
193 {
194 	*lnh = ib_get_lnh(hdr);
195 	*lver = ib_get_lver(hdr);
196 	*sl = ib_get_sl(hdr);
197 	*sc = ib_get_sc(hdr) | (sc5 << 4);
198 	*len = ib_get_len(hdr);
199 	*dlid = ib_get_dlid(hdr);
200 	*slid = ib_get_slid(hdr);
201 }
202 
203 void hfi1_trace_parse_16b_hdr(struct hfi1_16b_header *hdr,
204 			      u8 *age, bool *becn, bool *fecn,
205 			      u8 *l4, u8 *rc, u8 *sc,
206 			      u16 *entropy, u16 *len, u16 *pkey,
207 			      u32 *dlid, u32 *slid)
208 {
209 	*age = hfi1_16B_get_age(hdr);
210 	*becn = hfi1_16B_get_becn(hdr);
211 	*fecn = hfi1_16B_get_fecn(hdr);
212 	*l4 = hfi1_16B_get_l4(hdr);
213 	*rc = hfi1_16B_get_rc(hdr);
214 	*sc = hfi1_16B_get_sc(hdr);
215 	*entropy = hfi1_16B_get_entropy(hdr);
216 	*len = hfi1_16B_get_len(hdr);
217 	*pkey = hfi1_16B_get_pkey(hdr);
218 	*dlid = hfi1_16B_get_dlid(hdr);
219 	*slid = hfi1_16B_get_slid(hdr);
220 }
221 
222 #define LRH_PRN "len:%d sc:%d dlid:0x%.4x slid:0x%.4x "
223 #define LRH_9B_PRN "lnh:%d,%s lver:%d sl:%d"
224 #define LRH_16B_PRN "age:%d becn:%d fecn:%d l4:%d " \
225 		    "rc:%d sc:%d pkey:0x%.4x entropy:0x%.4x"
226 const char *hfi1_trace_fmt_lrh(struct trace_seq *p, bool bypass,
227 			       u8 age, bool becn, bool fecn, u8 l4,
228 			       u8 lnh, const char *lnh_name, u8 lver,
229 			       u8 rc, u8 sc, u8 sl, u16 entropy,
230 			       u16 len, u16 pkey, u32 dlid, u32 slid)
231 {
232 	const char *ret = trace_seq_buffer_ptr(p);
233 
234 	trace_seq_printf(p, LRH_PRN, len, sc, dlid, slid);
235 
236 	if (bypass)
237 		trace_seq_printf(p, LRH_16B_PRN,
238 				 age, becn, fecn, l4, rc, sc, pkey, entropy);
239 
240 	else
241 		trace_seq_printf(p, LRH_9B_PRN,
242 				 lnh, lnh_name, lver, sl);
243 	trace_seq_putc(p, 0);
244 
245 	return ret;
246 }
247 
248 #define BTH_9B_PRN \
249 	"op:0x%.2x,%s se:%d m:%d pad:%d tver:%d pkey:0x%.4x " \
250 	"f:%d b:%d qpn:0x%.6x a:%d psn:0x%.8x"
251 #define BTH_16B_PRN \
252 	"op:0x%.2x,%s se:%d m:%d pad:%d tver:%d " \
253 	"qpn:0x%.6x a:%d psn:0x%.8x"
254 #define L4_FM_16B_PRN \
255 	"op:0x%.2x,%s dest_qpn:0x%.6x src_qpn:0x%.6x"
256 const char *hfi1_trace_fmt_rest(struct trace_seq *p, bool bypass, u8 l4,
257 				u8 ack, bool becn, bool fecn, u8 mig,
258 				u8 se, u8 pad, u8 opcode, const char *opname,
259 				u8 tver, u16 pkey, u32 psn, u32 qpn,
260 				u32 dest_qpn, u32 src_qpn)
261 {
262 	const char *ret = trace_seq_buffer_ptr(p);
263 
264 	if (bypass)
265 		if (l4 == OPA_16B_L4_FM)
266 			trace_seq_printf(p, L4_FM_16B_PRN,
267 					 opcode, opname, dest_qpn, src_qpn);
268 		else
269 			trace_seq_printf(p, BTH_16B_PRN,
270 					 opcode, opname,
271 					 se, mig, pad, tver, qpn, ack, psn);
272 
273 	else
274 		trace_seq_printf(p, BTH_9B_PRN,
275 				 opcode, opname,
276 				 se, mig, pad, tver, pkey, fecn, becn,
277 				 qpn, ack, psn);
278 	trace_seq_putc(p, 0);
279 
280 	return ret;
281 }
282 
283 const char *parse_everbs_hdrs(
284 	struct trace_seq *p,
285 	u8 opcode, u8 l4, u32 dest_qpn, u32 src_qpn,
286 	void *ehdrs)
287 {
288 	union ib_ehdrs *eh = ehdrs;
289 	const char *ret = trace_seq_buffer_ptr(p);
290 
291 	if (l4 == OPA_16B_L4_FM) {
292 		trace_seq_printf(p, "mgmt pkt");
293 		goto out;
294 	}
295 
296 	switch (opcode) {
297 	/* imm */
298 	case OP(RC, SEND_LAST_WITH_IMMEDIATE):
299 	case OP(UC, SEND_LAST_WITH_IMMEDIATE):
300 	case OP(RC, SEND_ONLY_WITH_IMMEDIATE):
301 	case OP(UC, SEND_ONLY_WITH_IMMEDIATE):
302 	case OP(RC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
303 	case OP(UC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
304 		trace_seq_printf(p, IMM_PRN,
305 				 be32_to_cpu(eh->imm_data));
306 		break;
307 	/* reth + imm */
308 	case OP(RC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
309 	case OP(UC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
310 		trace_seq_printf(p, RETH_PRN " " IMM_PRN,
311 				 get_ib_reth_vaddr(&eh->rc.reth),
312 				 be32_to_cpu(eh->rc.reth.rkey),
313 				 be32_to_cpu(eh->rc.reth.length),
314 				 be32_to_cpu(eh->rc.imm_data));
315 		break;
316 	/* reth */
317 	case OP(RC, RDMA_READ_REQUEST):
318 	case OP(RC, RDMA_WRITE_FIRST):
319 	case OP(UC, RDMA_WRITE_FIRST):
320 	case OP(RC, RDMA_WRITE_ONLY):
321 	case OP(UC, RDMA_WRITE_ONLY):
322 		trace_seq_printf(p, RETH_PRN,
323 				 get_ib_reth_vaddr(&eh->rc.reth),
324 				 be32_to_cpu(eh->rc.reth.rkey),
325 				 be32_to_cpu(eh->rc.reth.length));
326 		break;
327 	case OP(RC, RDMA_READ_RESPONSE_FIRST):
328 	case OP(RC, RDMA_READ_RESPONSE_LAST):
329 	case OP(RC, RDMA_READ_RESPONSE_ONLY):
330 	case OP(RC, ACKNOWLEDGE):
331 		trace_seq_printf(p, AETH_PRN, be32_to_cpu(eh->aeth) >> 24,
332 				 parse_syndrome(be32_to_cpu(eh->aeth) >> 24),
333 				 be32_to_cpu(eh->aeth) & IB_MSN_MASK);
334 		break;
335 	case OP(TID_RDMA, WRITE_REQ):
336 		trace_seq_printf(p, TID_RDMA_KDETH " " RETH_PRN " "
337 				 TID_WRITE_REQ_PRN,
338 				 le32_to_cpu(eh->tid_rdma.w_req.kdeth0),
339 				 le32_to_cpu(eh->tid_rdma.w_req.kdeth1),
340 				 ib_u64_get(&eh->tid_rdma.w_req.reth.vaddr),
341 				 be32_to_cpu(eh->tid_rdma.w_req.reth.rkey),
342 				 be32_to_cpu(eh->tid_rdma.w_req.reth.length),
343 				 be32_to_cpu(eh->tid_rdma.w_req.verbs_qp));
344 		break;
345 	case OP(TID_RDMA, WRITE_RESP):
346 		trace_seq_printf(p, TID_RDMA_KDETH " " AETH_PRN " "
347 				 TID_WRITE_RSP_PRN,
348 				 le32_to_cpu(eh->tid_rdma.w_rsp.kdeth0),
349 				 le32_to_cpu(eh->tid_rdma.w_rsp.kdeth1),
350 				 be32_to_cpu(eh->tid_rdma.w_rsp.aeth) >> 24,
351 				 parse_syndrome(/* aeth */
352 					 be32_to_cpu(eh->tid_rdma.w_rsp.aeth)
353 					 >> 24),
354 				 (be32_to_cpu(eh->tid_rdma.w_rsp.aeth) &
355 				  IB_MSN_MASK),
356 				 be32_to_cpu(eh->tid_rdma.w_rsp.tid_flow_psn),
357 				 be32_to_cpu(eh->tid_rdma.w_rsp.tid_flow_qp),
358 				 be32_to_cpu(eh->tid_rdma.w_rsp.verbs_qp));
359 		break;
360 	case OP(TID_RDMA, WRITE_DATA_LAST):
361 	case OP(TID_RDMA, WRITE_DATA):
362 		trace_seq_printf(p, TID_RDMA_KDETH_DATA " " TID_WRITE_DATA_PRN,
363 				 le32_to_cpu(eh->tid_rdma.w_data.kdeth0),
364 				 KDETH_GET(eh->tid_rdma.w_data.kdeth0, KVER),
365 				 KDETH_GET(eh->tid_rdma.w_data.kdeth0, SH),
366 				 KDETH_GET(eh->tid_rdma.w_data.kdeth0, INTR),
367 				 KDETH_GET(eh->tid_rdma.w_data.kdeth0, TIDCTRL),
368 				 KDETH_GET(eh->tid_rdma.w_data.kdeth0, TID),
369 				 KDETH_GET(eh->tid_rdma.w_data.kdeth0, OFFSET),
370 				 le32_to_cpu(eh->tid_rdma.w_data.kdeth1),
371 				 KDETH_GET(eh->tid_rdma.w_data.kdeth1, JKEY),
372 				 be32_to_cpu(eh->tid_rdma.w_data.verbs_qp));
373 		break;
374 	case OP(TID_RDMA, READ_REQ):
375 		trace_seq_printf(p, TID_RDMA_KDETH " " RETH_PRN " "
376 				 TID_READ_REQ_PRN,
377 				 le32_to_cpu(eh->tid_rdma.r_req.kdeth0),
378 				 le32_to_cpu(eh->tid_rdma.r_req.kdeth1),
379 				 ib_u64_get(&eh->tid_rdma.r_req.reth.vaddr),
380 				 be32_to_cpu(eh->tid_rdma.r_req.reth.rkey),
381 				 be32_to_cpu(eh->tid_rdma.r_req.reth.length),
382 				 be32_to_cpu(eh->tid_rdma.r_req.tid_flow_psn),
383 				 be32_to_cpu(eh->tid_rdma.r_req.tid_flow_qp),
384 				 be32_to_cpu(eh->tid_rdma.r_req.verbs_qp));
385 		break;
386 	case OP(TID_RDMA, READ_RESP):
387 		trace_seq_printf(p, TID_RDMA_KDETH_DATA " " AETH_PRN " "
388 				 TID_READ_RSP_PRN,
389 				 le32_to_cpu(eh->tid_rdma.r_rsp.kdeth0),
390 				 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, KVER),
391 				 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, SH),
392 				 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, INTR),
393 				 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, TIDCTRL),
394 				 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, TID),
395 				 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, OFFSET),
396 				 le32_to_cpu(eh->tid_rdma.r_rsp.kdeth1),
397 				 KDETH_GET(eh->tid_rdma.r_rsp.kdeth1, JKEY),
398 				 be32_to_cpu(eh->tid_rdma.r_rsp.aeth) >> 24,
399 				 parse_syndrome(/* aeth */
400 					 be32_to_cpu(eh->tid_rdma.r_rsp.aeth)
401 					 >> 24),
402 				 (be32_to_cpu(eh->tid_rdma.r_rsp.aeth) &
403 				  IB_MSN_MASK),
404 				 be32_to_cpu(eh->tid_rdma.r_rsp.verbs_qp));
405 		break;
406 	case OP(TID_RDMA, ACK):
407 		trace_seq_printf(p, TID_RDMA_KDETH " " AETH_PRN " "
408 				 TID_ACK_PRN,
409 				 le32_to_cpu(eh->tid_rdma.ack.kdeth0),
410 				 le32_to_cpu(eh->tid_rdma.ack.kdeth1),
411 				 be32_to_cpu(eh->tid_rdma.ack.aeth) >> 24,
412 				 parse_syndrome(/* aeth */
413 					 be32_to_cpu(eh->tid_rdma.ack.aeth)
414 					 >> 24),
415 				 (be32_to_cpu(eh->tid_rdma.ack.aeth) &
416 				  IB_MSN_MASK),
417 				 be32_to_cpu(eh->tid_rdma.ack.tid_flow_psn),
418 				 be32_to_cpu(eh->tid_rdma.ack.verbs_psn),
419 				 be32_to_cpu(eh->tid_rdma.ack.tid_flow_qp),
420 				 be32_to_cpu(eh->tid_rdma.ack.verbs_qp));
421 		break;
422 	case OP(TID_RDMA, RESYNC):
423 		trace_seq_printf(p, TID_RDMA_KDETH " " TID_RESYNC_PRN,
424 				 le32_to_cpu(eh->tid_rdma.resync.kdeth0),
425 				 le32_to_cpu(eh->tid_rdma.resync.kdeth1),
426 				 be32_to_cpu(eh->tid_rdma.resync.verbs_qp));
427 		break;
428 	/* aeth + atomicacketh */
429 	case OP(RC, ATOMIC_ACKNOWLEDGE):
430 		trace_seq_printf(p, AETH_PRN " " ATOMICACKETH_PRN,
431 				 be32_to_cpu(eh->at.aeth) >> 24,
432 				 parse_syndrome(be32_to_cpu(eh->at.aeth) >> 24),
433 				 be32_to_cpu(eh->at.aeth) & IB_MSN_MASK,
434 				 ib_u64_get(&eh->at.atomic_ack_eth));
435 		break;
436 	/* atomiceth */
437 	case OP(RC, COMPARE_SWAP):
438 	case OP(RC, FETCH_ADD):
439 		trace_seq_printf(p, ATOMICETH_PRN,
440 				 get_ib_ateth_vaddr(&eh->atomic_eth),
441 				 eh->atomic_eth.rkey,
442 				 get_ib_ateth_swap(&eh->atomic_eth),
443 				 get_ib_ateth_compare(&eh->atomic_eth));
444 		break;
445 	/* deth */
446 	case OP(UD, SEND_ONLY):
447 	case OP(UD, SEND_ONLY_WITH_IMMEDIATE):
448 		trace_seq_printf(p, DETH_PRN,
449 				 be32_to_cpu(eh->ud.deth[0]),
450 				 be32_to_cpu(eh->ud.deth[1]) & RVT_QPN_MASK);
451 		break;
452 	/* ieth */
453 	case OP(RC, SEND_LAST_WITH_INVALIDATE):
454 	case OP(RC, SEND_ONLY_WITH_INVALIDATE):
455 		trace_seq_printf(p, IETH_PRN,
456 				 be32_to_cpu(eh->ieth));
457 		break;
458 	}
459 out:
460 	trace_seq_putc(p, 0);
461 	return ret;
462 }
463 
464 const char *parse_sdma_flags(
465 	struct trace_seq *p,
466 	u64 desc0, u64 desc1)
467 {
468 	const char *ret = trace_seq_buffer_ptr(p);
469 	char flags[5] = { 'x', 'x', 'x', 'x', 0 };
470 
471 	flags[0] = (desc1 & SDMA_DESC1_INT_REQ_FLAG) ? 'I' : '-';
472 	flags[1] = (desc1 & SDMA_DESC1_HEAD_TO_HOST_FLAG) ?  'H' : '-';
473 	flags[2] = (desc0 & SDMA_DESC0_FIRST_DESC_FLAG) ? 'F' : '-';
474 	flags[3] = (desc0 & SDMA_DESC0_LAST_DESC_FLAG) ? 'L' : '-';
475 	trace_seq_printf(p, "%s", flags);
476 	if (desc0 & SDMA_DESC0_FIRST_DESC_FLAG)
477 		trace_seq_printf(p, " amode:%u aidx:%u alen:%u",
478 				 (u8)((desc1 >> SDMA_DESC1_HEADER_MODE_SHIFT) &
479 				      SDMA_DESC1_HEADER_MODE_MASK),
480 				 (u8)((desc1 >> SDMA_DESC1_HEADER_INDEX_SHIFT) &
481 				      SDMA_DESC1_HEADER_INDEX_MASK),
482 				 (u8)((desc1 >> SDMA_DESC1_HEADER_DWS_SHIFT) &
483 				      SDMA_DESC1_HEADER_DWS_MASK));
484 	return ret;
485 }
486 
487 const char *print_u32_array(
488 	struct trace_seq *p,
489 	u32 *arr, int len)
490 {
491 	int i;
492 	const char *ret = trace_seq_buffer_ptr(p);
493 
494 	for (i = 0; i < len ; i++)
495 		trace_seq_printf(p, "%s%#x", i == 0 ? "" : " ", arr[i]);
496 	trace_seq_putc(p, 0);
497 	return ret;
498 }
499 
500 u8 hfi1_trace_get_tid_ctrl(u32 ent)
501 {
502 	return EXP_TID_GET(ent, CTRL);
503 }
504 
505 u16 hfi1_trace_get_tid_len(u32 ent)
506 {
507 	return EXP_TID_GET(ent, LEN);
508 }
509 
510 u16 hfi1_trace_get_tid_idx(u32 ent)
511 {
512 	return EXP_TID_GET(ent, IDX);
513 }
514 
515 __hfi1_trace_fn(AFFINITY);
516 __hfi1_trace_fn(PKT);
517 __hfi1_trace_fn(PROC);
518 __hfi1_trace_fn(SDMA);
519 __hfi1_trace_fn(LINKVERB);
520 __hfi1_trace_fn(DEBUG);
521 __hfi1_trace_fn(SNOOP);
522 __hfi1_trace_fn(CNTR);
523 __hfi1_trace_fn(PIO);
524 __hfi1_trace_fn(DC8051);
525 __hfi1_trace_fn(FIRMWARE);
526 __hfi1_trace_fn(RCVCTRL);
527 __hfi1_trace_fn(TID);
528 __hfi1_trace_fn(MMU);
529 __hfi1_trace_fn(IOCTL);
530