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1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2/*
3 * Copyright(c) 2015 - 2020 Intel Corporation.
4 */
5#define CREATE_TRACE_POINTS
6#include "trace.h"
7#include "exp_rcv.h"
8#include "ipoib.h"
9
10static u8 __get_ib_hdr_len(struct ib_header *hdr)
11{
12 struct ib_other_headers *ohdr;
13 u8 opcode;
14
15 if (ib_get_lnh(hdr) == HFI1_LRH_BTH)
16 ohdr = &hdr->u.oth;
17 else
18 ohdr = &hdr->u.l.oth;
19 opcode = ib_bth_get_opcode(ohdr);
20 return hdr_len_by_opcode[opcode] == 0 ?
21 0 : hdr_len_by_opcode[opcode] - (12 + 8);
22}
23
24static u8 __get_16b_hdr_len(struct hfi1_16b_header *hdr)
25{
26 struct ib_other_headers *ohdr = NULL;
27 u8 opcode;
28 u8 l4 = hfi1_16B_get_l4(hdr);
29
30 if (l4 == OPA_16B_L4_FM) {
31 opcode = IB_OPCODE_UD_SEND_ONLY;
32 return (8 + 8); /* No BTH */
33 }
34
35 if (l4 == OPA_16B_L4_IB_LOCAL)
36 ohdr = &hdr->u.oth;
37 else
38 ohdr = &hdr->u.l.oth;
39
40 opcode = ib_bth_get_opcode(ohdr);
41 return hdr_len_by_opcode[opcode] == 0 ?
42 0 : hdr_len_by_opcode[opcode] - (12 + 8 + 8);
43}
44
45u8 hfi1_trace_packet_hdr_len(struct hfi1_packet *packet)
46{
47 if (packet->etype != RHF_RCV_TYPE_BYPASS)
48 return __get_ib_hdr_len(packet->hdr);
49 else
50 return __get_16b_hdr_len(packet->hdr);
51}
52
53u8 hfi1_trace_opa_hdr_len(struct hfi1_opa_header *opa_hdr)
54{
55 if (!opa_hdr->hdr_type)
56 return __get_ib_hdr_len(&opa_hdr->ibh);
57 else
58 return __get_16b_hdr_len(&opa_hdr->opah);
59}
60
61const char *hfi1_trace_get_packet_l4_str(u8 l4)
62{
63 if (l4)
64 return "16B";
65 else
66 return "9B";
67}
68
69const char *hfi1_trace_get_packet_l2_str(u8 l2)
70{
71 switch (l2) {
72 case 0:
73 return "0";
74 case 1:
75 return "1";
76 case 2:
77 return "16B";
78 case 3:
79 return "9B";
80 }
81 return "";
82}
83
84#define IMM_PRN "imm:%d"
85#define RETH_PRN "reth vaddr:0x%.16llx rkey:0x%.8x dlen:0x%.8x"
86#define AETH_PRN "aeth syn:0x%.2x %s msn:0x%.8x"
87#define DETH_PRN "deth qkey:0x%.8x sqpn:0x%.6x"
88#define DETH_ENTROPY_PRN "deth qkey:0x%.8x sqpn:0x%.6x entropy:0x%.2x"
89#define IETH_PRN "ieth rkey:0x%.8x"
90#define ATOMICACKETH_PRN "origdata:%llx"
91#define ATOMICETH_PRN "vaddr:0x%llx rkey:0x%.8x sdata:%llx cdata:%llx"
92#define TID_RDMA_KDETH "kdeth0 0x%x kdeth1 0x%x"
93#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"
94#define TID_READ_REQ_PRN "tid_flow_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
95#define TID_READ_RSP_PRN "verbs_qp 0x%x"
96#define TID_WRITE_REQ_PRN "original_qp 0x%x"
97#define TID_WRITE_RSP_PRN "tid_flow_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
98#define TID_WRITE_DATA_PRN "verbs_qp 0x%x"
99#define TID_ACK_PRN "tid_flow_psn 0x%x verbs_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
100#define TID_RESYNC_PRN "verbs_qp 0x%x"
101
102#define OP(transport, op) IB_OPCODE_## transport ## _ ## op
103
104static const char *parse_syndrome(u8 syndrome)
105{
106 switch (syndrome >> 5) {
107 case 0:
108 return "ACK";
109 case 1:
110 return "RNRNAK";
111 case 3:
112 return "NAK";
113 }
114 return "";
115}
116
117void hfi1_trace_parse_9b_bth(struct ib_other_headers *ohdr,
118 u8 *ack, bool *becn, bool *fecn, u8 *mig,
119 u8 *se, u8 *pad, u8 *opcode, u8 *tver,
120 u16 *pkey, u32 *psn, u32 *qpn)
121{
122 *ack = ib_bth_get_ackreq(ohdr);
123 *becn = ib_bth_get_becn(ohdr);
124 *fecn = ib_bth_get_fecn(ohdr);
125 *mig = ib_bth_get_migreq(ohdr);
126 *se = ib_bth_get_se(ohdr);
127 *pad = ib_bth_get_pad(ohdr);
128 *opcode = ib_bth_get_opcode(ohdr);
129 *tver = ib_bth_get_tver(ohdr);
130 *pkey = ib_bth_get_pkey(ohdr);
131 *psn = mask_psn(ib_bth_get_psn(ohdr));
132 *qpn = ib_bth_get_qpn(ohdr);
133}
134
135void hfi1_trace_parse_16b_bth(struct ib_other_headers *ohdr,
136 u8 *ack, u8 *mig, u8 *opcode,
137 u8 *pad, u8 *se, u8 *tver,
138 u32 *psn, u32 *qpn)
139{
140 *ack = ib_bth_get_ackreq(ohdr);
141 *mig = ib_bth_get_migreq(ohdr);
142 *opcode = ib_bth_get_opcode(ohdr);
143 *pad = ib_bth_get_pad(ohdr);
144 *se = ib_bth_get_se(ohdr);
145 *tver = ib_bth_get_tver(ohdr);
146 *psn = mask_psn(ib_bth_get_psn(ohdr));
147 *qpn = ib_bth_get_qpn(ohdr);
148}
149
150static u16 ib_get_len(const struct ib_header *hdr)
151{
152 return be16_to_cpu(hdr->lrh[2]);
153}
154
155void hfi1_trace_parse_9b_hdr(struct ib_header *hdr, bool sc5,
156 u8 *lnh, u8 *lver, u8 *sl, u8 *sc,
157 u16 *len, u32 *dlid, u32 *slid)
158{
159 *lnh = ib_get_lnh(hdr);
160 *lver = ib_get_lver(hdr);
161 *sl = ib_get_sl(hdr);
162 *sc = ib_get_sc(hdr) | (sc5 << 4);
163 *len = ib_get_len(hdr);
164 *dlid = ib_get_dlid(hdr);
165 *slid = ib_get_slid(hdr);
166}
167
168void hfi1_trace_parse_16b_hdr(struct hfi1_16b_header *hdr,
169 u8 *age, bool *becn, bool *fecn,
170 u8 *l4, u8 *rc, u8 *sc,
171 u16 *entropy, u16 *len, u16 *pkey,
172 u32 *dlid, u32 *slid)
173{
174 *age = hfi1_16B_get_age(hdr);
175 *becn = hfi1_16B_get_becn(hdr);
176 *fecn = hfi1_16B_get_fecn(hdr);
177 *l4 = hfi1_16B_get_l4(hdr);
178 *rc = hfi1_16B_get_rc(hdr);
179 *sc = hfi1_16B_get_sc(hdr);
180 *entropy = hfi1_16B_get_entropy(hdr);
181 *len = hfi1_16B_get_len(hdr);
182 *pkey = hfi1_16B_get_pkey(hdr);
183 *dlid = hfi1_16B_get_dlid(hdr);
184 *slid = hfi1_16B_get_slid(hdr);
185}
186
187#define LRH_PRN "len:%d sc:%d dlid:0x%.4x slid:0x%.4x "
188#define LRH_9B_PRN "lnh:%d,%s lver:%d sl:%d"
189#define LRH_16B_PRN "age:%d becn:%d fecn:%d l4:%d " \
190 "rc:%d sc:%d pkey:0x%.4x entropy:0x%.4x"
191const char *hfi1_trace_fmt_lrh(struct trace_seq *p, bool bypass,
192 u8 age, bool becn, bool fecn, u8 l4,
193 u8 lnh, const char *lnh_name, u8 lver,
194 u8 rc, u8 sc, u8 sl, u16 entropy,
195 u16 len, u16 pkey, u32 dlid, u32 slid)
196{
197 const char *ret = trace_seq_buffer_ptr(p);
198
199 trace_seq_printf(p, LRH_PRN, len, sc, dlid, slid);
200
201 if (bypass)
202 trace_seq_printf(p, LRH_16B_PRN,
203 age, becn, fecn, l4, rc, sc, pkey, entropy);
204
205 else
206 trace_seq_printf(p, LRH_9B_PRN,
207 lnh, lnh_name, lver, sl);
208 trace_seq_putc(p, 0);
209
210 return ret;
211}
212
213#define BTH_9B_PRN \
214 "op:0x%.2x,%s se:%d m:%d pad:%d tver:%d pkey:0x%.4x " \
215 "f:%d b:%d qpn:0x%.6x a:%d psn:0x%.8x"
216#define BTH_16B_PRN \
217 "op:0x%.2x,%s se:%d m:%d pad:%d tver:%d " \
218 "qpn:0x%.6x a:%d psn:0x%.8x"
219#define L4_FM_16B_PRN \
220 "op:0x%.2x,%s dest_qpn:0x%.6x src_qpn:0x%.6x"
221const char *hfi1_trace_fmt_rest(struct trace_seq *p, bool bypass, u8 l4,
222 u8 ack, bool becn, bool fecn, u8 mig,
223 u8 se, u8 pad, u8 opcode, const char *opname,
224 u8 tver, u16 pkey, u32 psn, u32 qpn,
225 u32 dest_qpn, u32 src_qpn)
226{
227 const char *ret = trace_seq_buffer_ptr(p);
228
229 if (bypass)
230 if (l4 == OPA_16B_L4_FM)
231 trace_seq_printf(p, L4_FM_16B_PRN,
232 opcode, opname, dest_qpn, src_qpn);
233 else
234 trace_seq_printf(p, BTH_16B_PRN,
235 opcode, opname,
236 se, mig, pad, tver, qpn, ack, psn);
237
238 else
239 trace_seq_printf(p, BTH_9B_PRN,
240 opcode, opname,
241 se, mig, pad, tver, pkey, fecn, becn,
242 qpn, ack, psn);
243 trace_seq_putc(p, 0);
244
245 return ret;
246}
247
248const char *parse_everbs_hdrs(
249 struct trace_seq *p,
250 u8 opcode, u8 l4, u32 dest_qpn, u32 src_qpn,
251 void *ehdrs)
252{
253 union ib_ehdrs *eh = ehdrs;
254 const char *ret = trace_seq_buffer_ptr(p);
255
256 if (l4 == OPA_16B_L4_FM) {
257 trace_seq_printf(p, "mgmt pkt");
258 goto out;
259 }
260
261 switch (opcode) {
262 /* imm */
263 case OP(RC, SEND_LAST_WITH_IMMEDIATE):
264 case OP(UC, SEND_LAST_WITH_IMMEDIATE):
265 case OP(RC, SEND_ONLY_WITH_IMMEDIATE):
266 case OP(UC, SEND_ONLY_WITH_IMMEDIATE):
267 case OP(RC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
268 case OP(UC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
269 trace_seq_printf(p, IMM_PRN,
270 be32_to_cpu(eh->imm_data));
271 break;
272 /* reth + imm */
273 case OP(RC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
274 case OP(UC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
275 trace_seq_printf(p, RETH_PRN " " IMM_PRN,
276 get_ib_reth_vaddr(&eh->rc.reth),
277 be32_to_cpu(eh->rc.reth.rkey),
278 be32_to_cpu(eh->rc.reth.length),
279 be32_to_cpu(eh->rc.imm_data));
280 break;
281 /* reth */
282 case OP(RC, RDMA_READ_REQUEST):
283 case OP(RC, RDMA_WRITE_FIRST):
284 case OP(UC, RDMA_WRITE_FIRST):
285 case OP(RC, RDMA_WRITE_ONLY):
286 case OP(UC, RDMA_WRITE_ONLY):
287 trace_seq_printf(p, RETH_PRN,
288 get_ib_reth_vaddr(&eh->rc.reth),
289 be32_to_cpu(eh->rc.reth.rkey),
290 be32_to_cpu(eh->rc.reth.length));
291 break;
292 case OP(RC, RDMA_READ_RESPONSE_FIRST):
293 case OP(RC, RDMA_READ_RESPONSE_LAST):
294 case OP(RC, RDMA_READ_RESPONSE_ONLY):
295 case OP(RC, ACKNOWLEDGE):
296 trace_seq_printf(p, AETH_PRN, be32_to_cpu(eh->aeth) >> 24,
297 parse_syndrome(be32_to_cpu(eh->aeth) >> 24),
298 be32_to_cpu(eh->aeth) & IB_MSN_MASK);
299 break;
300 case OP(TID_RDMA, WRITE_REQ):
301 trace_seq_printf(p, TID_RDMA_KDETH " " RETH_PRN " "
302 TID_WRITE_REQ_PRN,
303 le32_to_cpu(eh->tid_rdma.w_req.kdeth0),
304 le32_to_cpu(eh->tid_rdma.w_req.kdeth1),
305 ib_u64_get(&eh->tid_rdma.w_req.reth.vaddr),
306 be32_to_cpu(eh->tid_rdma.w_req.reth.rkey),
307 be32_to_cpu(eh->tid_rdma.w_req.reth.length),
308 be32_to_cpu(eh->tid_rdma.w_req.verbs_qp));
309 break;
310 case OP(TID_RDMA, WRITE_RESP):
311 trace_seq_printf(p, TID_RDMA_KDETH " " AETH_PRN " "
312 TID_WRITE_RSP_PRN,
313 le32_to_cpu(eh->tid_rdma.w_rsp.kdeth0),
314 le32_to_cpu(eh->tid_rdma.w_rsp.kdeth1),
315 be32_to_cpu(eh->tid_rdma.w_rsp.aeth) >> 24,
316 parse_syndrome(/* aeth */
317 be32_to_cpu(eh->tid_rdma.w_rsp.aeth)
318 >> 24),
319 (be32_to_cpu(eh->tid_rdma.w_rsp.aeth) &
320 IB_MSN_MASK),
321 be32_to_cpu(eh->tid_rdma.w_rsp.tid_flow_psn),
322 be32_to_cpu(eh->tid_rdma.w_rsp.tid_flow_qp),
323 be32_to_cpu(eh->tid_rdma.w_rsp.verbs_qp));
324 break;
325 case OP(TID_RDMA, WRITE_DATA_LAST):
326 case OP(TID_RDMA, WRITE_DATA):
327 trace_seq_printf(p, TID_RDMA_KDETH_DATA " " TID_WRITE_DATA_PRN,
328 le32_to_cpu(eh->tid_rdma.w_data.kdeth0),
329 KDETH_GET(eh->tid_rdma.w_data.kdeth0, KVER),
330 KDETH_GET(eh->tid_rdma.w_data.kdeth0, SH),
331 KDETH_GET(eh->tid_rdma.w_data.kdeth0, INTR),
332 KDETH_GET(eh->tid_rdma.w_data.kdeth0, TIDCTRL),
333 KDETH_GET(eh->tid_rdma.w_data.kdeth0, TID),
334 KDETH_GET(eh->tid_rdma.w_data.kdeth0, OFFSET),
335 le32_to_cpu(eh->tid_rdma.w_data.kdeth1),
336 KDETH_GET(eh->tid_rdma.w_data.kdeth1, JKEY),
337 be32_to_cpu(eh->tid_rdma.w_data.verbs_qp));
338 break;
339 case OP(TID_RDMA, READ_REQ):
340 trace_seq_printf(p, TID_RDMA_KDETH " " RETH_PRN " "
341 TID_READ_REQ_PRN,
342 le32_to_cpu(eh->tid_rdma.r_req.kdeth0),
343 le32_to_cpu(eh->tid_rdma.r_req.kdeth1),
344 ib_u64_get(&eh->tid_rdma.r_req.reth.vaddr),
345 be32_to_cpu(eh->tid_rdma.r_req.reth.rkey),
346 be32_to_cpu(eh->tid_rdma.r_req.reth.length),
347 be32_to_cpu(eh->tid_rdma.r_req.tid_flow_psn),
348 be32_to_cpu(eh->tid_rdma.r_req.tid_flow_qp),
349 be32_to_cpu(eh->tid_rdma.r_req.verbs_qp));
350 break;
351 case OP(TID_RDMA, READ_RESP):
352 trace_seq_printf(p, TID_RDMA_KDETH_DATA " " AETH_PRN " "
353 TID_READ_RSP_PRN,
354 le32_to_cpu(eh->tid_rdma.r_rsp.kdeth0),
355 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, KVER),
356 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, SH),
357 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, INTR),
358 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, TIDCTRL),
359 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, TID),
360 KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, OFFSET),
361 le32_to_cpu(eh->tid_rdma.r_rsp.kdeth1),
362 KDETH_GET(eh->tid_rdma.r_rsp.kdeth1, JKEY),
363 be32_to_cpu(eh->tid_rdma.r_rsp.aeth) >> 24,
364 parse_syndrome(/* aeth */
365 be32_to_cpu(eh->tid_rdma.r_rsp.aeth)
366 >> 24),
367 (be32_to_cpu(eh->tid_rdma.r_rsp.aeth) &
368 IB_MSN_MASK),
369 be32_to_cpu(eh->tid_rdma.r_rsp.verbs_qp));
370 break;
371 case OP(TID_RDMA, ACK):
372 trace_seq_printf(p, TID_RDMA_KDETH " " AETH_PRN " "
373 TID_ACK_PRN,
374 le32_to_cpu(eh->tid_rdma.ack.kdeth0),
375 le32_to_cpu(eh->tid_rdma.ack.kdeth1),
376 be32_to_cpu(eh->tid_rdma.ack.aeth) >> 24,
377 parse_syndrome(/* aeth */
378 be32_to_cpu(eh->tid_rdma.ack.aeth)
379 >> 24),
380 (be32_to_cpu(eh->tid_rdma.ack.aeth) &
381 IB_MSN_MASK),
382 be32_to_cpu(eh->tid_rdma.ack.tid_flow_psn),
383 be32_to_cpu(eh->tid_rdma.ack.verbs_psn),
384 be32_to_cpu(eh->tid_rdma.ack.tid_flow_qp),
385 be32_to_cpu(eh->tid_rdma.ack.verbs_qp));
386 break;
387 case OP(TID_RDMA, RESYNC):
388 trace_seq_printf(p, TID_RDMA_KDETH " " TID_RESYNC_PRN,
389 le32_to_cpu(eh->tid_rdma.resync.kdeth0),
390 le32_to_cpu(eh->tid_rdma.resync.kdeth1),
391 be32_to_cpu(eh->tid_rdma.resync.verbs_qp));
392 break;
393 /* aeth + atomicacketh */
394 case OP(RC, ATOMIC_ACKNOWLEDGE):
395 trace_seq_printf(p, AETH_PRN " " ATOMICACKETH_PRN,
396 be32_to_cpu(eh->at.aeth) >> 24,
397 parse_syndrome(be32_to_cpu(eh->at.aeth) >> 24),
398 be32_to_cpu(eh->at.aeth) & IB_MSN_MASK,
399 ib_u64_get(&eh->at.atomic_ack_eth));
400 break;
401 /* atomiceth */
402 case OP(RC, COMPARE_SWAP):
403 case OP(RC, FETCH_ADD):
404 trace_seq_printf(p, ATOMICETH_PRN,
405 get_ib_ateth_vaddr(&eh->atomic_eth),
406 eh->atomic_eth.rkey,
407 get_ib_ateth_swap(&eh->atomic_eth),
408 get_ib_ateth_compare(&eh->atomic_eth));
409 break;
410 /* deth */
411 case OP(UD, SEND_ONLY):
412 trace_seq_printf(p, DETH_ENTROPY_PRN,
413 be32_to_cpu(eh->ud.deth[0]),
414 be32_to_cpu(eh->ud.deth[1]) & RVT_QPN_MASK,
415 be32_to_cpu(eh->ud.deth[1]) >>
416 HFI1_IPOIB_ENTROPY_SHIFT);
417 break;
418 case OP(UD, SEND_ONLY_WITH_IMMEDIATE):
419 trace_seq_printf(p, DETH_PRN,
420 be32_to_cpu(eh->ud.deth[0]),
421 be32_to_cpu(eh->ud.deth[1]) & RVT_QPN_MASK);
422 break;
423 /* ieth */
424 case OP(RC, SEND_LAST_WITH_INVALIDATE):
425 case OP(RC, SEND_ONLY_WITH_INVALIDATE):
426 trace_seq_printf(p, IETH_PRN,
427 be32_to_cpu(eh->ieth));
428 break;
429 }
430out:
431 trace_seq_putc(p, 0);
432 return ret;
433}
434
435const char *parse_sdma_flags(
436 struct trace_seq *p,
437 u64 desc0, u64 desc1)
438{
439 const char *ret = trace_seq_buffer_ptr(p);
440 char flags[5] = { 'x', 'x', 'x', 'x', 0 };
441
442 flags[0] = (desc1 & SDMA_DESC1_INT_REQ_FLAG) ? 'I' : '-';
443 flags[1] = (desc1 & SDMA_DESC1_HEAD_TO_HOST_FLAG) ? 'H' : '-';
444 flags[2] = (desc0 & SDMA_DESC0_FIRST_DESC_FLAG) ? 'F' : '-';
445 flags[3] = (desc0 & SDMA_DESC0_LAST_DESC_FLAG) ? 'L' : '-';
446 trace_seq_printf(p, "%s", flags);
447 if (desc0 & SDMA_DESC0_FIRST_DESC_FLAG)
448 trace_seq_printf(p, " amode:%u aidx:%u alen:%u",
449 (u8)((desc1 >> SDMA_DESC1_HEADER_MODE_SHIFT) &
450 SDMA_DESC1_HEADER_MODE_MASK),
451 (u8)((desc1 >> SDMA_DESC1_HEADER_INDEX_SHIFT) &
452 SDMA_DESC1_HEADER_INDEX_MASK),
453 (u8)((desc1 >> SDMA_DESC1_HEADER_DWS_SHIFT) &
454 SDMA_DESC1_HEADER_DWS_MASK));
455 return ret;
456}
457
458const char *print_u32_array(
459 struct trace_seq *p,
460 u32 *arr, int len)
461{
462 int i;
463 const char *ret = trace_seq_buffer_ptr(p);
464
465 for (i = 0; i < len ; i++)
466 trace_seq_printf(p, "%s%#x", i == 0 ? "" : " ", arr[i]);
467 trace_seq_putc(p, 0);
468 return ret;
469}
470
471u8 hfi1_trace_get_tid_ctrl(u32 ent)
472{
473 return EXP_TID_GET(ent, CTRL);
474}
475
476u16 hfi1_trace_get_tid_len(u32 ent)
477{
478 return EXP_TID_GET(ent, LEN);
479}
480
481u16 hfi1_trace_get_tid_idx(u32 ent)
482{
483 return EXP_TID_GET(ent, IDX);
484}
485
486struct hfi1_ctxt_hist {
487 atomic_t count;
488 atomic_t data[255];
489};
490
491static struct hfi1_ctxt_hist hist = {
492 .count = ATOMIC_INIT(0)
493};
494
495const char *hfi1_trace_print_rsm_hist(struct trace_seq *p, unsigned int ctxt)
496{
497 int i, len = ARRAY_SIZE(hist.data);
498 const char *ret = trace_seq_buffer_ptr(p);
499 unsigned long packet_count = atomic_fetch_inc(&hist.count);
500
501 trace_seq_printf(p, "packet[%lu]", packet_count);
502 for (i = 0; i < len; ++i) {
503 unsigned long val;
504 atomic_t *count = &hist.data[i];
505
506 if (ctxt == i)
507 val = atomic_fetch_inc(count);
508 else
509 val = atomic_read(count);
510
511 if (val)
512 trace_seq_printf(p, "(%d:%lu)", i, val);
513 }
514 trace_seq_putc(p, 0);
515 return ret;
516}
517
518__hfi1_trace_fn(AFFINITY);
519__hfi1_trace_fn(PKT);
520__hfi1_trace_fn(PROC);
521__hfi1_trace_fn(SDMA);
522__hfi1_trace_fn(LINKVERB);
523__hfi1_trace_fn(DEBUG);
524__hfi1_trace_fn(SNOOP);
525__hfi1_trace_fn(CNTR);
526__hfi1_trace_fn(PIO);
527__hfi1_trace_fn(DC8051);
528__hfi1_trace_fn(FIRMWARE);
529__hfi1_trace_fn(RCVCTRL);
530__hfi1_trace_fn(TID);
531__hfi1_trace_fn(MMU);
532__hfi1_trace_fn(IOCTL);
1/*
2 * Copyright(c) 2015, 2016 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
50u8 ibhdr_exhdr_len(struct ib_header *hdr)
51{
52 struct ib_other_headers *ohdr;
53 u8 opcode;
54 u8 lnh = (u8)(be16_to_cpu(hdr->lrh[0]) & 3);
55
56 if (lnh == HFI1_LRH_BTH)
57 ohdr = &hdr->u.oth;
58 else
59 ohdr = &hdr->u.l.oth;
60 opcode = be32_to_cpu(ohdr->bth[0]) >> 24;
61 return hdr_len_by_opcode[opcode] == 0 ?
62 0 : hdr_len_by_opcode[opcode] - (12 + 8);
63}
64
65#define IMM_PRN "imm %d"
66#define RETH_PRN "reth vaddr 0x%.16llx rkey 0x%.8x dlen 0x%.8x"
67#define AETH_PRN "aeth syn 0x%.2x %s msn 0x%.8x"
68#define DETH_PRN "deth qkey 0x%.8x sqpn 0x%.6x"
69#define IETH_PRN "ieth rkey 0x%.8x"
70#define ATOMICACKETH_PRN "origdata %llx"
71#define ATOMICETH_PRN "vaddr 0x%llx rkey 0x%.8x sdata %llx cdata %llx"
72
73#define OP(transport, op) IB_OPCODE_## transport ## _ ## op
74
75static const char *parse_syndrome(u8 syndrome)
76{
77 switch (syndrome >> 5) {
78 case 0:
79 return "ACK";
80 case 1:
81 return "RNRNAK";
82 case 3:
83 return "NAK";
84 }
85 return "";
86}
87
88const char *parse_everbs_hdrs(
89 struct trace_seq *p,
90 u8 opcode,
91 void *ehdrs)
92{
93 union ib_ehdrs *eh = ehdrs;
94 const char *ret = trace_seq_buffer_ptr(p);
95
96 switch (opcode) {
97 /* imm */
98 case OP(RC, SEND_LAST_WITH_IMMEDIATE):
99 case OP(UC, SEND_LAST_WITH_IMMEDIATE):
100 case OP(RC, SEND_ONLY_WITH_IMMEDIATE):
101 case OP(UC, SEND_ONLY_WITH_IMMEDIATE):
102 case OP(RC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
103 case OP(UC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
104 trace_seq_printf(p, IMM_PRN,
105 be32_to_cpu(eh->imm_data));
106 break;
107 /* reth + imm */
108 case OP(RC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
109 case OP(UC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
110 trace_seq_printf(p, RETH_PRN " " IMM_PRN,
111 get_ib_reth_vaddr(&eh->rc.reth),
112 be32_to_cpu(eh->rc.reth.rkey),
113 be32_to_cpu(eh->rc.reth.length),
114 be32_to_cpu(eh->rc.imm_data));
115 break;
116 /* reth */
117 case OP(RC, RDMA_READ_REQUEST):
118 case OP(RC, RDMA_WRITE_FIRST):
119 case OP(UC, RDMA_WRITE_FIRST):
120 case OP(RC, RDMA_WRITE_ONLY):
121 case OP(UC, RDMA_WRITE_ONLY):
122 trace_seq_printf(p, RETH_PRN,
123 get_ib_reth_vaddr(&eh->rc.reth),
124 be32_to_cpu(eh->rc.reth.rkey),
125 be32_to_cpu(eh->rc.reth.length));
126 break;
127 case OP(RC, RDMA_READ_RESPONSE_FIRST):
128 case OP(RC, RDMA_READ_RESPONSE_LAST):
129 case OP(RC, RDMA_READ_RESPONSE_ONLY):
130 case OP(RC, ACKNOWLEDGE):
131 trace_seq_printf(p, AETH_PRN, be32_to_cpu(eh->aeth) >> 24,
132 parse_syndrome(be32_to_cpu(eh->aeth) >> 24),
133 be32_to_cpu(eh->aeth) & HFI1_MSN_MASK);
134 break;
135 /* aeth + atomicacketh */
136 case OP(RC, ATOMIC_ACKNOWLEDGE):
137 trace_seq_printf(p, AETH_PRN " " ATOMICACKETH_PRN,
138 be32_to_cpu(eh->at.aeth) >> 24,
139 parse_syndrome(be32_to_cpu(eh->at.aeth) >> 24),
140 be32_to_cpu(eh->at.aeth) & HFI1_MSN_MASK,
141 ib_u64_get(&eh->at.atomic_ack_eth));
142 break;
143 /* atomiceth */
144 case OP(RC, COMPARE_SWAP):
145 case OP(RC, FETCH_ADD):
146 trace_seq_printf(p, ATOMICETH_PRN,
147 get_ib_ateth_vaddr(&eh->atomic_eth),
148 eh->atomic_eth.rkey,
149 get_ib_ateth_swap(&eh->atomic_eth),
150 get_ib_ateth_compare(&eh->atomic_eth));
151 break;
152 /* deth */
153 case OP(UD, SEND_ONLY):
154 case OP(UD, SEND_ONLY_WITH_IMMEDIATE):
155 trace_seq_printf(p, DETH_PRN,
156 be32_to_cpu(eh->ud.deth[0]),
157 be32_to_cpu(eh->ud.deth[1]) & RVT_QPN_MASK);
158 break;
159 /* ieth */
160 case OP(RC, SEND_LAST_WITH_INVALIDATE):
161 case OP(RC, SEND_ONLY_WITH_INVALIDATE):
162 trace_seq_printf(p, IETH_PRN,
163 be32_to_cpu(eh->ieth));
164 break;
165 }
166 trace_seq_putc(p, 0);
167 return ret;
168}
169
170const char *parse_sdma_flags(
171 struct trace_seq *p,
172 u64 desc0, u64 desc1)
173{
174 const char *ret = trace_seq_buffer_ptr(p);
175 char flags[5] = { 'x', 'x', 'x', 'x', 0 };
176
177 flags[0] = (desc1 & SDMA_DESC1_INT_REQ_FLAG) ? 'I' : '-';
178 flags[1] = (desc1 & SDMA_DESC1_HEAD_TO_HOST_FLAG) ? 'H' : '-';
179 flags[2] = (desc0 & SDMA_DESC0_FIRST_DESC_FLAG) ? 'F' : '-';
180 flags[3] = (desc0 & SDMA_DESC0_LAST_DESC_FLAG) ? 'L' : '-';
181 trace_seq_printf(p, "%s", flags);
182 if (desc0 & SDMA_DESC0_FIRST_DESC_FLAG)
183 trace_seq_printf(p, " amode:%u aidx:%u alen:%u",
184 (u8)((desc1 >> SDMA_DESC1_HEADER_MODE_SHIFT) &
185 SDMA_DESC1_HEADER_MODE_MASK),
186 (u8)((desc1 >> SDMA_DESC1_HEADER_INDEX_SHIFT) &
187 SDMA_DESC1_HEADER_INDEX_MASK),
188 (u8)((desc1 >> SDMA_DESC1_HEADER_DWS_SHIFT) &
189 SDMA_DESC1_HEADER_DWS_MASK));
190 return ret;
191}
192
193const char *print_u32_array(
194 struct trace_seq *p,
195 u32 *arr, int len)
196{
197 int i;
198 const char *ret = trace_seq_buffer_ptr(p);
199
200 for (i = 0; i < len ; i++)
201 trace_seq_printf(p, "%s%#x", i == 0 ? "" : " ", arr[i]);
202 trace_seq_putc(p, 0);
203 return ret;
204}
205
206__hfi1_trace_fn(PKT);
207__hfi1_trace_fn(PROC);
208__hfi1_trace_fn(SDMA);
209__hfi1_trace_fn(LINKVERB);
210__hfi1_trace_fn(DEBUG);
211__hfi1_trace_fn(SNOOP);
212__hfi1_trace_fn(CNTR);
213__hfi1_trace_fn(PIO);
214__hfi1_trace_fn(DC8051);
215__hfi1_trace_fn(FIRMWARE);
216__hfi1_trace_fn(RCVCTRL);
217__hfi1_trace_fn(TID);
218__hfi1_trace_fn(MMU);
219__hfi1_trace_fn(IOCTL);