Back to home page

OSCL-LXR
 
 

     

0001 // SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
0002 /*
0003  * Copyright(c) 2015 - 2020 Intel Corporation.
0004  */
0005 #define CREATE_TRACE_POINTS
0006 #include "trace.h"
0007 #include "exp_rcv.h"
0008 #include "ipoib.h"
0009 
0010 static u8 __get_ib_hdr_len(struct ib_header *hdr)
0011 {
0012     struct ib_other_headers *ohdr;
0013     u8 opcode;
0014 
0015     if (ib_get_lnh(hdr) == HFI1_LRH_BTH)
0016         ohdr = &hdr->u.oth;
0017     else
0018         ohdr = &hdr->u.l.oth;
0019     opcode = ib_bth_get_opcode(ohdr);
0020     return hdr_len_by_opcode[opcode] == 0 ?
0021            0 : hdr_len_by_opcode[opcode] - (12 + 8);
0022 }
0023 
0024 static u8 __get_16b_hdr_len(struct hfi1_16b_header *hdr)
0025 {
0026     struct ib_other_headers *ohdr = NULL;
0027     u8 opcode;
0028     u8 l4 = hfi1_16B_get_l4(hdr);
0029 
0030     if (l4 == OPA_16B_L4_FM) {
0031         opcode = IB_OPCODE_UD_SEND_ONLY;
0032         return (8 + 8); /* No BTH */
0033     }
0034 
0035     if (l4 == OPA_16B_L4_IB_LOCAL)
0036         ohdr = &hdr->u.oth;
0037     else
0038         ohdr = &hdr->u.l.oth;
0039 
0040     opcode = ib_bth_get_opcode(ohdr);
0041     return hdr_len_by_opcode[opcode] == 0 ?
0042            0 : hdr_len_by_opcode[opcode] - (12 + 8 + 8);
0043 }
0044 
0045 u8 hfi1_trace_packet_hdr_len(struct hfi1_packet *packet)
0046 {
0047     if (packet->etype != RHF_RCV_TYPE_BYPASS)
0048         return __get_ib_hdr_len(packet->hdr);
0049     else
0050         return __get_16b_hdr_len(packet->hdr);
0051 }
0052 
0053 u8 hfi1_trace_opa_hdr_len(struct hfi1_opa_header *opa_hdr)
0054 {
0055     if (!opa_hdr->hdr_type)
0056         return __get_ib_hdr_len(&opa_hdr->ibh);
0057     else
0058         return __get_16b_hdr_len(&opa_hdr->opah);
0059 }
0060 
0061 const char *hfi1_trace_get_packet_l4_str(u8 l4)
0062 {
0063     if (l4)
0064         return "16B";
0065     else
0066         return "9B";
0067 }
0068 
0069 const char *hfi1_trace_get_packet_l2_str(u8 l2)
0070 {
0071     switch (l2) {
0072     case 0:
0073         return "0";
0074     case 1:
0075         return "1";
0076     case 2:
0077         return "16B";
0078     case 3:
0079         return "9B";
0080     }
0081     return "";
0082 }
0083 
0084 #define IMM_PRN  "imm:%d"
0085 #define RETH_PRN "reth vaddr:0x%.16llx rkey:0x%.8x dlen:0x%.8x"
0086 #define AETH_PRN "aeth syn:0x%.2x %s msn:0x%.8x"
0087 #define DETH_PRN "deth qkey:0x%.8x sqpn:0x%.6x"
0088 #define DETH_ENTROPY_PRN "deth qkey:0x%.8x sqpn:0x%.6x entropy:0x%.2x"
0089 #define IETH_PRN "ieth rkey:0x%.8x"
0090 #define ATOMICACKETH_PRN "origdata:%llx"
0091 #define ATOMICETH_PRN "vaddr:0x%llx rkey:0x%.8x sdata:%llx cdata:%llx"
0092 #define TID_RDMA_KDETH "kdeth0 0x%x kdeth1 0x%x"
0093 #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"
0094 #define TID_READ_REQ_PRN "tid_flow_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
0095 #define TID_READ_RSP_PRN "verbs_qp 0x%x"
0096 #define TID_WRITE_REQ_PRN "original_qp 0x%x"
0097 #define TID_WRITE_RSP_PRN "tid_flow_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
0098 #define TID_WRITE_DATA_PRN "verbs_qp 0x%x"
0099 #define TID_ACK_PRN "tid_flow_psn 0x%x verbs_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
0100 #define TID_RESYNC_PRN "verbs_qp 0x%x"
0101 
0102 #define OP(transport, op) IB_OPCODE_## transport ## _ ## op
0103 
0104 static const char *parse_syndrome(u8 syndrome)
0105 {
0106     switch (syndrome >> 5) {
0107     case 0:
0108         return "ACK";
0109     case 1:
0110         return "RNRNAK";
0111     case 3:
0112         return "NAK";
0113     }
0114     return "";
0115 }
0116 
0117 void hfi1_trace_parse_9b_bth(struct ib_other_headers *ohdr,
0118                  u8 *ack, bool *becn, bool *fecn, u8 *mig,
0119                  u8 *se, u8 *pad, u8 *opcode, u8 *tver,
0120                  u16 *pkey, u32 *psn, u32 *qpn)
0121 {
0122     *ack = ib_bth_get_ackreq(ohdr);
0123     *becn = ib_bth_get_becn(ohdr);
0124     *fecn = ib_bth_get_fecn(ohdr);
0125     *mig = ib_bth_get_migreq(ohdr);
0126     *se = ib_bth_get_se(ohdr);
0127     *pad = ib_bth_get_pad(ohdr);
0128     *opcode = ib_bth_get_opcode(ohdr);
0129     *tver = ib_bth_get_tver(ohdr);
0130     *pkey = ib_bth_get_pkey(ohdr);
0131     *psn = mask_psn(ib_bth_get_psn(ohdr));
0132     *qpn = ib_bth_get_qpn(ohdr);
0133 }
0134 
0135 void hfi1_trace_parse_16b_bth(struct ib_other_headers *ohdr,
0136                   u8 *ack, u8 *mig, u8 *opcode,
0137                   u8 *pad, u8 *se, u8 *tver,
0138                   u32 *psn, u32 *qpn)
0139 {
0140     *ack = ib_bth_get_ackreq(ohdr);
0141     *mig = ib_bth_get_migreq(ohdr);
0142     *opcode = ib_bth_get_opcode(ohdr);
0143     *pad = ib_bth_get_pad(ohdr);
0144     *se = ib_bth_get_se(ohdr);
0145     *tver = ib_bth_get_tver(ohdr);
0146     *psn = mask_psn(ib_bth_get_psn(ohdr));
0147     *qpn = ib_bth_get_qpn(ohdr);
0148 }
0149 
0150 static u16 ib_get_len(const struct ib_header *hdr)
0151 {
0152     return be16_to_cpu(hdr->lrh[2]);
0153 }
0154 
0155 void hfi1_trace_parse_9b_hdr(struct ib_header *hdr, bool sc5,
0156                  u8 *lnh, u8 *lver, u8 *sl, u8 *sc,
0157                  u16 *len, u32 *dlid, u32 *slid)
0158 {
0159     *lnh = ib_get_lnh(hdr);
0160     *lver = ib_get_lver(hdr);
0161     *sl = ib_get_sl(hdr);
0162     *sc = ib_get_sc(hdr) | (sc5 << 4);
0163     *len = ib_get_len(hdr);
0164     *dlid = ib_get_dlid(hdr);
0165     *slid = ib_get_slid(hdr);
0166 }
0167 
0168 void hfi1_trace_parse_16b_hdr(struct hfi1_16b_header *hdr,
0169                   u8 *age, bool *becn, bool *fecn,
0170                   u8 *l4, u8 *rc, u8 *sc,
0171                   u16 *entropy, u16 *len, u16 *pkey,
0172                   u32 *dlid, u32 *slid)
0173 {
0174     *age = hfi1_16B_get_age(hdr);
0175     *becn = hfi1_16B_get_becn(hdr);
0176     *fecn = hfi1_16B_get_fecn(hdr);
0177     *l4 = hfi1_16B_get_l4(hdr);
0178     *rc = hfi1_16B_get_rc(hdr);
0179     *sc = hfi1_16B_get_sc(hdr);
0180     *entropy = hfi1_16B_get_entropy(hdr);
0181     *len = hfi1_16B_get_len(hdr);
0182     *pkey = hfi1_16B_get_pkey(hdr);
0183     *dlid = hfi1_16B_get_dlid(hdr);
0184     *slid = hfi1_16B_get_slid(hdr);
0185 }
0186 
0187 #define LRH_PRN "len:%d sc:%d dlid:0x%.4x slid:0x%.4x "
0188 #define LRH_9B_PRN "lnh:%d,%s lver:%d sl:%d"
0189 #define LRH_16B_PRN "age:%d becn:%d fecn:%d l4:%d " \
0190             "rc:%d sc:%d pkey:0x%.4x entropy:0x%.4x"
0191 const char *hfi1_trace_fmt_lrh(struct trace_seq *p, bool bypass,
0192                    u8 age, bool becn, bool fecn, u8 l4,
0193                    u8 lnh, const char *lnh_name, u8 lver,
0194                    u8 rc, u8 sc, u8 sl, u16 entropy,
0195                    u16 len, u16 pkey, u32 dlid, u32 slid)
0196 {
0197     const char *ret = trace_seq_buffer_ptr(p);
0198 
0199     trace_seq_printf(p, LRH_PRN, len, sc, dlid, slid);
0200 
0201     if (bypass)
0202         trace_seq_printf(p, LRH_16B_PRN,
0203                  age, becn, fecn, l4, rc, sc, pkey, entropy);
0204 
0205     else
0206         trace_seq_printf(p, LRH_9B_PRN,
0207                  lnh, lnh_name, lver, sl);
0208     trace_seq_putc(p, 0);
0209 
0210     return ret;
0211 }
0212 
0213 #define BTH_9B_PRN \
0214     "op:0x%.2x,%s se:%d m:%d pad:%d tver:%d pkey:0x%.4x " \
0215     "f:%d b:%d qpn:0x%.6x a:%d psn:0x%.8x"
0216 #define BTH_16B_PRN \
0217     "op:0x%.2x,%s se:%d m:%d pad:%d tver:%d " \
0218     "qpn:0x%.6x a:%d psn:0x%.8x"
0219 #define L4_FM_16B_PRN \
0220     "op:0x%.2x,%s dest_qpn:0x%.6x src_qpn:0x%.6x"
0221 const char *hfi1_trace_fmt_rest(struct trace_seq *p, bool bypass, u8 l4,
0222                 u8 ack, bool becn, bool fecn, u8 mig,
0223                 u8 se, u8 pad, u8 opcode, const char *opname,
0224                 u8 tver, u16 pkey, u32 psn, u32 qpn,
0225                 u32 dest_qpn, u32 src_qpn)
0226 {
0227     const char *ret = trace_seq_buffer_ptr(p);
0228 
0229     if (bypass)
0230         if (l4 == OPA_16B_L4_FM)
0231             trace_seq_printf(p, L4_FM_16B_PRN,
0232                      opcode, opname, dest_qpn, src_qpn);
0233         else
0234             trace_seq_printf(p, BTH_16B_PRN,
0235                      opcode, opname,
0236                      se, mig, pad, tver, qpn, ack, psn);
0237 
0238     else
0239         trace_seq_printf(p, BTH_9B_PRN,
0240                  opcode, opname,
0241                  se, mig, pad, tver, pkey, fecn, becn,
0242                  qpn, ack, psn);
0243     trace_seq_putc(p, 0);
0244 
0245     return ret;
0246 }
0247 
0248 const char *parse_everbs_hdrs(
0249     struct trace_seq *p,
0250     u8 opcode, u8 l4, u32 dest_qpn, u32 src_qpn,
0251     void *ehdrs)
0252 {
0253     union ib_ehdrs *eh = ehdrs;
0254     const char *ret = trace_seq_buffer_ptr(p);
0255 
0256     if (l4 == OPA_16B_L4_FM) {
0257         trace_seq_printf(p, "mgmt pkt");
0258         goto out;
0259     }
0260 
0261     switch (opcode) {
0262     /* imm */
0263     case OP(RC, SEND_LAST_WITH_IMMEDIATE):
0264     case OP(UC, SEND_LAST_WITH_IMMEDIATE):
0265     case OP(RC, SEND_ONLY_WITH_IMMEDIATE):
0266     case OP(UC, SEND_ONLY_WITH_IMMEDIATE):
0267     case OP(RC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
0268     case OP(UC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
0269         trace_seq_printf(p, IMM_PRN,
0270                  be32_to_cpu(eh->imm_data));
0271         break;
0272     /* reth + imm */
0273     case OP(RC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
0274     case OP(UC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
0275         trace_seq_printf(p, RETH_PRN " " IMM_PRN,
0276                  get_ib_reth_vaddr(&eh->rc.reth),
0277                  be32_to_cpu(eh->rc.reth.rkey),
0278                  be32_to_cpu(eh->rc.reth.length),
0279                  be32_to_cpu(eh->rc.imm_data));
0280         break;
0281     /* reth */
0282     case OP(RC, RDMA_READ_REQUEST):
0283     case OP(RC, RDMA_WRITE_FIRST):
0284     case OP(UC, RDMA_WRITE_FIRST):
0285     case OP(RC, RDMA_WRITE_ONLY):
0286     case OP(UC, RDMA_WRITE_ONLY):
0287         trace_seq_printf(p, RETH_PRN,
0288                  get_ib_reth_vaddr(&eh->rc.reth),
0289                  be32_to_cpu(eh->rc.reth.rkey),
0290                  be32_to_cpu(eh->rc.reth.length));
0291         break;
0292     case OP(RC, RDMA_READ_RESPONSE_FIRST):
0293     case OP(RC, RDMA_READ_RESPONSE_LAST):
0294     case OP(RC, RDMA_READ_RESPONSE_ONLY):
0295     case OP(RC, ACKNOWLEDGE):
0296         trace_seq_printf(p, AETH_PRN, be32_to_cpu(eh->aeth) >> 24,
0297                  parse_syndrome(be32_to_cpu(eh->aeth) >> 24),
0298                  be32_to_cpu(eh->aeth) & IB_MSN_MASK);
0299         break;
0300     case OP(TID_RDMA, WRITE_REQ):
0301         trace_seq_printf(p, TID_RDMA_KDETH " " RETH_PRN " "
0302                  TID_WRITE_REQ_PRN,
0303                  le32_to_cpu(eh->tid_rdma.w_req.kdeth0),
0304                  le32_to_cpu(eh->tid_rdma.w_req.kdeth1),
0305                  ib_u64_get(&eh->tid_rdma.w_req.reth.vaddr),
0306                  be32_to_cpu(eh->tid_rdma.w_req.reth.rkey),
0307                  be32_to_cpu(eh->tid_rdma.w_req.reth.length),
0308                  be32_to_cpu(eh->tid_rdma.w_req.verbs_qp));
0309         break;
0310     case OP(TID_RDMA, WRITE_RESP):
0311         trace_seq_printf(p, TID_RDMA_KDETH " " AETH_PRN " "
0312                  TID_WRITE_RSP_PRN,
0313                  le32_to_cpu(eh->tid_rdma.w_rsp.kdeth0),
0314                  le32_to_cpu(eh->tid_rdma.w_rsp.kdeth1),
0315                  be32_to_cpu(eh->tid_rdma.w_rsp.aeth) >> 24,
0316                  parse_syndrome(/* aeth */
0317                      be32_to_cpu(eh->tid_rdma.w_rsp.aeth)
0318                      >> 24),
0319                  (be32_to_cpu(eh->tid_rdma.w_rsp.aeth) &
0320                   IB_MSN_MASK),
0321                  be32_to_cpu(eh->tid_rdma.w_rsp.tid_flow_psn),
0322                  be32_to_cpu(eh->tid_rdma.w_rsp.tid_flow_qp),
0323                  be32_to_cpu(eh->tid_rdma.w_rsp.verbs_qp));
0324         break;
0325     case OP(TID_RDMA, WRITE_DATA_LAST):
0326     case OP(TID_RDMA, WRITE_DATA):
0327         trace_seq_printf(p, TID_RDMA_KDETH_DATA " " TID_WRITE_DATA_PRN,
0328                  le32_to_cpu(eh->tid_rdma.w_data.kdeth0),
0329                  KDETH_GET(eh->tid_rdma.w_data.kdeth0, KVER),
0330                  KDETH_GET(eh->tid_rdma.w_data.kdeth0, SH),
0331                  KDETH_GET(eh->tid_rdma.w_data.kdeth0, INTR),
0332                  KDETH_GET(eh->tid_rdma.w_data.kdeth0, TIDCTRL),
0333                  KDETH_GET(eh->tid_rdma.w_data.kdeth0, TID),
0334                  KDETH_GET(eh->tid_rdma.w_data.kdeth0, OFFSET),
0335                  le32_to_cpu(eh->tid_rdma.w_data.kdeth1),
0336                  KDETH_GET(eh->tid_rdma.w_data.kdeth1, JKEY),
0337                  be32_to_cpu(eh->tid_rdma.w_data.verbs_qp));
0338         break;
0339     case OP(TID_RDMA, READ_REQ):
0340         trace_seq_printf(p, TID_RDMA_KDETH " " RETH_PRN " "
0341                  TID_READ_REQ_PRN,
0342                  le32_to_cpu(eh->tid_rdma.r_req.kdeth0),
0343                  le32_to_cpu(eh->tid_rdma.r_req.kdeth1),
0344                  ib_u64_get(&eh->tid_rdma.r_req.reth.vaddr),
0345                  be32_to_cpu(eh->tid_rdma.r_req.reth.rkey),
0346                  be32_to_cpu(eh->tid_rdma.r_req.reth.length),
0347                  be32_to_cpu(eh->tid_rdma.r_req.tid_flow_psn),
0348                  be32_to_cpu(eh->tid_rdma.r_req.tid_flow_qp),
0349                  be32_to_cpu(eh->tid_rdma.r_req.verbs_qp));
0350         break;
0351     case OP(TID_RDMA, READ_RESP):
0352         trace_seq_printf(p, TID_RDMA_KDETH_DATA " " AETH_PRN " "
0353                  TID_READ_RSP_PRN,
0354                  le32_to_cpu(eh->tid_rdma.r_rsp.kdeth0),
0355                  KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, KVER),
0356                  KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, SH),
0357                  KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, INTR),
0358                  KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, TIDCTRL),
0359                  KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, TID),
0360                  KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, OFFSET),
0361                  le32_to_cpu(eh->tid_rdma.r_rsp.kdeth1),
0362                  KDETH_GET(eh->tid_rdma.r_rsp.kdeth1, JKEY),
0363                  be32_to_cpu(eh->tid_rdma.r_rsp.aeth) >> 24,
0364                  parse_syndrome(/* aeth */
0365                      be32_to_cpu(eh->tid_rdma.r_rsp.aeth)
0366                      >> 24),
0367                  (be32_to_cpu(eh->tid_rdma.r_rsp.aeth) &
0368                   IB_MSN_MASK),
0369                  be32_to_cpu(eh->tid_rdma.r_rsp.verbs_qp));
0370         break;
0371     case OP(TID_RDMA, ACK):
0372         trace_seq_printf(p, TID_RDMA_KDETH " " AETH_PRN " "
0373                  TID_ACK_PRN,
0374                  le32_to_cpu(eh->tid_rdma.ack.kdeth0),
0375                  le32_to_cpu(eh->tid_rdma.ack.kdeth1),
0376                  be32_to_cpu(eh->tid_rdma.ack.aeth) >> 24,
0377                  parse_syndrome(/* aeth */
0378                      be32_to_cpu(eh->tid_rdma.ack.aeth)
0379                      >> 24),
0380                  (be32_to_cpu(eh->tid_rdma.ack.aeth) &
0381                   IB_MSN_MASK),
0382                  be32_to_cpu(eh->tid_rdma.ack.tid_flow_psn),
0383                  be32_to_cpu(eh->tid_rdma.ack.verbs_psn),
0384                  be32_to_cpu(eh->tid_rdma.ack.tid_flow_qp),
0385                  be32_to_cpu(eh->tid_rdma.ack.verbs_qp));
0386         break;
0387     case OP(TID_RDMA, RESYNC):
0388         trace_seq_printf(p, TID_RDMA_KDETH " " TID_RESYNC_PRN,
0389                  le32_to_cpu(eh->tid_rdma.resync.kdeth0),
0390                  le32_to_cpu(eh->tid_rdma.resync.kdeth1),
0391                  be32_to_cpu(eh->tid_rdma.resync.verbs_qp));
0392         break;
0393     /* aeth + atomicacketh */
0394     case OP(RC, ATOMIC_ACKNOWLEDGE):
0395         trace_seq_printf(p, AETH_PRN " " ATOMICACKETH_PRN,
0396                  be32_to_cpu(eh->at.aeth) >> 24,
0397                  parse_syndrome(be32_to_cpu(eh->at.aeth) >> 24),
0398                  be32_to_cpu(eh->at.aeth) & IB_MSN_MASK,
0399                  ib_u64_get(&eh->at.atomic_ack_eth));
0400         break;
0401     /* atomiceth */
0402     case OP(RC, COMPARE_SWAP):
0403     case OP(RC, FETCH_ADD):
0404         trace_seq_printf(p, ATOMICETH_PRN,
0405                  get_ib_ateth_vaddr(&eh->atomic_eth),
0406                  eh->atomic_eth.rkey,
0407                  get_ib_ateth_swap(&eh->atomic_eth),
0408                  get_ib_ateth_compare(&eh->atomic_eth));
0409         break;
0410     /* deth */
0411     case OP(UD, SEND_ONLY):
0412         trace_seq_printf(p, DETH_ENTROPY_PRN,
0413                  be32_to_cpu(eh->ud.deth[0]),
0414                  be32_to_cpu(eh->ud.deth[1]) & RVT_QPN_MASK,
0415                  be32_to_cpu(eh->ud.deth[1]) >>
0416                          HFI1_IPOIB_ENTROPY_SHIFT);
0417         break;
0418     case OP(UD, SEND_ONLY_WITH_IMMEDIATE):
0419         trace_seq_printf(p, DETH_PRN,
0420                  be32_to_cpu(eh->ud.deth[0]),
0421                  be32_to_cpu(eh->ud.deth[1]) & RVT_QPN_MASK);
0422         break;
0423     /* ieth */
0424     case OP(RC, SEND_LAST_WITH_INVALIDATE):
0425     case OP(RC, SEND_ONLY_WITH_INVALIDATE):
0426         trace_seq_printf(p, IETH_PRN,
0427                  be32_to_cpu(eh->ieth));
0428         break;
0429     }
0430 out:
0431     trace_seq_putc(p, 0);
0432     return ret;
0433 }
0434 
0435 const char *parse_sdma_flags(
0436     struct trace_seq *p,
0437     u64 desc0, u64 desc1)
0438 {
0439     const char *ret = trace_seq_buffer_ptr(p);
0440     char flags[5] = { 'x', 'x', 'x', 'x', 0 };
0441 
0442     flags[0] = (desc1 & SDMA_DESC1_INT_REQ_FLAG) ? 'I' : '-';
0443     flags[1] = (desc1 & SDMA_DESC1_HEAD_TO_HOST_FLAG) ?  'H' : '-';
0444     flags[2] = (desc0 & SDMA_DESC0_FIRST_DESC_FLAG) ? 'F' : '-';
0445     flags[3] = (desc0 & SDMA_DESC0_LAST_DESC_FLAG) ? 'L' : '-';
0446     trace_seq_printf(p, "%s", flags);
0447     if (desc0 & SDMA_DESC0_FIRST_DESC_FLAG)
0448         trace_seq_printf(p, " amode:%u aidx:%u alen:%u",
0449                  (u8)((desc1 >> SDMA_DESC1_HEADER_MODE_SHIFT) &
0450                       SDMA_DESC1_HEADER_MODE_MASK),
0451                  (u8)((desc1 >> SDMA_DESC1_HEADER_INDEX_SHIFT) &
0452                       SDMA_DESC1_HEADER_INDEX_MASK),
0453                  (u8)((desc1 >> SDMA_DESC1_HEADER_DWS_SHIFT) &
0454                       SDMA_DESC1_HEADER_DWS_MASK));
0455     return ret;
0456 }
0457 
0458 const char *print_u32_array(
0459     struct trace_seq *p,
0460     u32 *arr, int len)
0461 {
0462     int i;
0463     const char *ret = trace_seq_buffer_ptr(p);
0464 
0465     for (i = 0; i < len ; i++)
0466         trace_seq_printf(p, "%s%#x", i == 0 ? "" : " ", arr[i]);
0467     trace_seq_putc(p, 0);
0468     return ret;
0469 }
0470 
0471 u8 hfi1_trace_get_tid_ctrl(u32 ent)
0472 {
0473     return EXP_TID_GET(ent, CTRL);
0474 }
0475 
0476 u16 hfi1_trace_get_tid_len(u32 ent)
0477 {
0478     return EXP_TID_GET(ent, LEN);
0479 }
0480 
0481 u16 hfi1_trace_get_tid_idx(u32 ent)
0482 {
0483     return EXP_TID_GET(ent, IDX);
0484 }
0485 
0486 struct hfi1_ctxt_hist {
0487     atomic_t count;
0488     atomic_t data[255];
0489 };
0490 
0491 static struct hfi1_ctxt_hist hist = {
0492     .count = ATOMIC_INIT(0)
0493 };
0494 
0495 const char *hfi1_trace_print_rsm_hist(struct trace_seq *p, unsigned int ctxt)
0496 {
0497     int i, len = ARRAY_SIZE(hist.data);
0498     const char *ret = trace_seq_buffer_ptr(p);
0499     unsigned long packet_count = atomic_fetch_inc(&hist.count);
0500 
0501     trace_seq_printf(p, "packet[%lu]", packet_count);
0502     for (i = 0; i < len; ++i) {
0503         unsigned long val;
0504         atomic_t *count = &hist.data[i];
0505 
0506         if (ctxt == i)
0507             val = atomic_fetch_inc(count);
0508         else
0509             val = atomic_read(count);
0510 
0511         if (val)
0512             trace_seq_printf(p, "(%d:%lu)", i, val);
0513     }
0514     trace_seq_putc(p, 0);
0515     return ret;
0516 }
0517 
0518 __hfi1_trace_fn(AFFINITY);
0519 __hfi1_trace_fn(PKT);
0520 __hfi1_trace_fn(PROC);
0521 __hfi1_trace_fn(SDMA);
0522 __hfi1_trace_fn(LINKVERB);
0523 __hfi1_trace_fn(DEBUG);
0524 __hfi1_trace_fn(SNOOP);
0525 __hfi1_trace_fn(CNTR);
0526 __hfi1_trace_fn(PIO);
0527 __hfi1_trace_fn(DC8051);
0528 __hfi1_trace_fn(FIRMWARE);
0529 __hfi1_trace_fn(RCVCTRL);
0530 __hfi1_trace_fn(TID);
0531 __hfi1_trace_fn(MMU);
0532 __hfi1_trace_fn(IOCTL);
[ Source navigation ] [ Diff markup ] [ Identifier search ] [ general search ]

This page was automatically generated by the 2.1.0 LXR engine.

The LXR team
Valid CSS 2.1! Valid HTML 4.01!