cxgbe(4): Add sysctls to extract debug information from the chip:
dev.t4nex.X.misc.cim_la logic analyzer dump dev.t4nex.X.misc.cim_qcfg queue configuration dev.t4nex.X.misc.cim_ibq_xxx inbound queues dev.t4nex.X.misc.cim_obq_xxx outbound queues Obtained from: Chelsio MFC after: 1 week
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np
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68f5a186f2
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0a09d2ed1b
@ -58,6 +58,7 @@ enum {
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CIM_PIFLA_SIZE = 64, /* # of 192-bit words in CIM PIF LA */
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CIM_MALA_SIZE = 64, /* # of 160-bit words in CIM MA LA */
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CIM_IBQ_SIZE = 128, /* # of 128-bit words in a CIM IBQ */
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CIM_OBQ_SIZE = 128, /* # of 128-bit words in a CIM OBQ */
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TPLA_SIZE = 128, /* # of 64-bit words in TP LA */
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ULPRX_LA_SIZE = 512, /* # of 256-bit words in ULP_RX LA */
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};
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@ -317,6 +317,9 @@ static int sysctl_qsize_txq(SYSCTL_HANDLER_ARGS);
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static int sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS);
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#ifdef SBUF_DRAIN
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static int sysctl_cctrl(SYSCTL_HANDLER_ARGS);
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static int sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS);
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static int sysctl_cim_la(SYSCTL_HANDLER_ARGS);
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static int sysctl_cim_qcfg(SYSCTL_HANDLER_ARGS);
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static int sysctl_cpl_stats(SYSCTL_HANDLER_ARGS);
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static int sysctl_ddp_stats(SYSCTL_HANDLER_ARGS);
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static int sysctl_devlog(SYSCTL_HANDLER_ARGS);
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@ -3171,6 +3174,62 @@ t4_sysctls(struct adapter *sc)
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CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
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sysctl_cctrl, "A", "congestion control");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_tp0",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
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sysctl_cim_ibq_obq, "A", "CIM IBQ 0 (TP0)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_tp1",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 1,
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sysctl_cim_ibq_obq, "A", "CIM IBQ 1 (TP1)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_ulp",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 2,
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sysctl_cim_ibq_obq, "A", "CIM IBQ 2 (ULP)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_sge0",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 3,
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sysctl_cim_ibq_obq, "A", "CIM IBQ 3 (SGE0)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_sge1",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 4,
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sysctl_cim_ibq_obq, "A", "CIM IBQ 4 (SGE1)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_ncsi",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 5,
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sysctl_cim_ibq_obq, "A", "CIM IBQ 5 (NCSI)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_la",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
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sysctl_cim_la, "A", "CIM logic analyzer");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp0",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 0 + CIM_NUM_IBQ,
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sysctl_cim_ibq_obq, "A", "CIM OBQ 0 (ULP0)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp1",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 1 + CIM_NUM_IBQ,
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sysctl_cim_ibq_obq, "A", "CIM OBQ 1 (ULP1)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp2",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 2 + CIM_NUM_IBQ,
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sysctl_cim_ibq_obq, "A", "CIM OBQ 2 (ULP2)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp3",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 3 + CIM_NUM_IBQ,
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sysctl_cim_ibq_obq, "A", "CIM OBQ 3 (ULP3)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_sge",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 4 + CIM_NUM_IBQ,
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sysctl_cim_ibq_obq, "A", "CIM OBQ 4 (SGE)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ncsi",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 5 + CIM_NUM_IBQ,
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sysctl_cim_ibq_obq, "A", "CIM OBQ 5 (NCSI)");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_qcfg",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
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sysctl_cim_qcfg, "A", "CIM queue configuration");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cpl_stats",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
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sysctl_cpl_stats, "A", "CPL statistics");
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@ -3694,6 +3753,176 @@ sysctl_cctrl(SYSCTL_HANDLER_ARGS)
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return (rc);
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}
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static const char *qname[CIM_NUM_IBQ + CIM_NUM_OBQ] = {
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"TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI", /* ibq's */
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"ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI" /* obq's */
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};
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static int
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sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS)
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{
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struct adapter *sc = arg1;
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struct sbuf *sb;
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int rc, i, n, qid = arg2;
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uint32_t *buf, *p;
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char *qtype;
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KASSERT(qid >= 0 && qid < nitems(qname),
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("%s: bad qid %d\n", __func__, qid));
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if (qid < CIM_NUM_IBQ) {
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/* inbound queue */
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qtype = "IBQ";
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n = 4 * CIM_IBQ_SIZE;
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buf = malloc(n * sizeof(uint32_t), M_CXGBE, M_ZERO | M_WAITOK);
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rc = t4_read_cim_ibq(sc, qid, buf, n);
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} else {
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/* outbound queue */
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qtype = "OBQ";
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qid -= CIM_NUM_IBQ;
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n = 4 * 6 * CIM_OBQ_SIZE;
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buf = malloc(n * sizeof(uint32_t), M_CXGBE, M_ZERO | M_WAITOK);
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rc = t4_read_cim_obq(sc, qid, buf, n);
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}
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if (rc < 0) {
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rc = -rc;
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goto done;
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}
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n = rc * sizeof(uint32_t); /* rc has # of words actually read */
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rc = sysctl_wire_old_buffer(req, 0);
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if (rc != 0)
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goto done;
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sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
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if (sb == NULL) {
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rc = ENOMEM;
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goto done;
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}
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sbuf_printf(sb, "%s%d %s", qtype , qid, qname[arg2]);
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for (i = 0, p = buf; i < n; i += 16, p += 4)
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sbuf_printf(sb, "\n%#06x: %08x %08x %08x %08x", i, p[0], p[1],
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p[2], p[3]);
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rc = sbuf_finish(sb);
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sbuf_delete(sb);
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done:
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free(buf, M_CXGBE);
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return (rc);
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}
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static int
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sysctl_cim_la(SYSCTL_HANDLER_ARGS)
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{
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struct adapter *sc = arg1;
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u_int cfg;
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struct sbuf *sb;
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uint32_t *buf, *p;
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int rc;
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rc = -t4_cim_read(sc, A_UP_UP_DBG_LA_CFG, 1, &cfg);
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if (rc != 0)
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return (rc);
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rc = sysctl_wire_old_buffer(req, 0);
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if (rc != 0)
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return (rc);
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sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
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if (sb == NULL)
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return (ENOMEM);
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buf = malloc(sc->params.cim_la_size * sizeof(uint32_t), M_CXGBE,
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M_ZERO | M_WAITOK);
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rc = -t4_cim_read_la(sc, buf, NULL);
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if (rc != 0)
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goto done;
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sbuf_printf(sb, "Status Data PC%s",
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cfg & F_UPDBGLACAPTPCONLY ? "" :
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" LS0Stat LS0Addr LS0Data");
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KASSERT((sc->params.cim_la_size & 7) == 0,
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("%s: p will walk off the end of buf", __func__));
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for (p = buf; p < &buf[sc->params.cim_la_size]; p += 8) {
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if (cfg & F_UPDBGLACAPTPCONLY) {
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sbuf_printf(sb, "\n %02x %08x %08x", p[5] & 0xff,
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p[6], p[7]);
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sbuf_printf(sb, "\n %02x %02x%06x %02x%06x",
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(p[3] >> 8) & 0xff, p[3] & 0xff, p[4] >> 8,
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p[4] & 0xff, p[5] >> 8);
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sbuf_printf(sb, "\n %02x %x%07x %x%07x",
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(p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
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p[1] & 0xf, p[2] >> 4);
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} else {
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sbuf_printf(sb,
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"\n %02x %x%07x %x%07x %08x %08x "
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"%08x%08x%08x%08x",
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(p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
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p[1] & 0xf, p[2] >> 4, p[2] & 0xf, p[3], p[4], p[5],
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p[6], p[7]);
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}
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}
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rc = sbuf_finish(sb);
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sbuf_delete(sb);
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done:
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free(buf, M_CXGBE);
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return (rc);
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}
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static int
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sysctl_cim_qcfg(SYSCTL_HANDLER_ARGS)
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{
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struct adapter *sc = arg1;
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struct sbuf *sb;
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int rc, i;
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uint16_t base[CIM_NUM_IBQ + CIM_NUM_OBQ];
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uint16_t size[CIM_NUM_IBQ + CIM_NUM_OBQ];
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uint16_t thres[CIM_NUM_IBQ];
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uint32_t obq_wr[2 * CIM_NUM_OBQ], *wr = obq_wr;
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uint32_t stat[4 * (CIM_NUM_IBQ + CIM_NUM_OBQ)], *p = stat;
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rc = -t4_cim_read(sc, A_UP_IBQ_0_RDADDR, nitems(stat), stat);
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if (rc == 0)
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rc = -t4_cim_read(sc, A_UP_OBQ_0_REALADDR, nitems(obq_wr),
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obq_wr);
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if (rc != 0)
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return (rc);
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t4_read_cimq_cfg(sc, base, size, thres);
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rc = sysctl_wire_old_buffer(req, 0);
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if (rc != 0)
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return (rc);
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sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
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if (sb == NULL)
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return (ENOMEM);
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sbuf_printf(sb, "Queue Base Size Thres RdPtr WrPtr SOP EOP Avail");
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for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
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sbuf_printf(sb, "\n%5s %5x %5u %4u %6x %4x %4u %4u %5u",
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qname[i], base[i], size[i], thres[i], G_IBQRDADDR(p[0]),
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G_IBQWRADDR(p[1]), G_QUESOPCNT(p[3]), G_QUEEOPCNT(p[3]),
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G_QUEREMFLITS(p[2]) * 16);
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for ( ; i < CIM_NUM_IBQ + CIM_NUM_OBQ; i++, p += 4, wr += 2)
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sbuf_printf(sb, "\n%5s %5x %5u %11x %4x %4u %4u %5u", qname[i],
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base[i], size[i], G_QUERDADDR(p[0]) & 0x3fff,
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wr[0] - base[i], G_QUESOPCNT(p[3]), G_QUEEOPCNT(p[3]),
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G_QUEREMFLITS(p[2]) * 16);
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rc = sbuf_finish(sb);
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sbuf_delete(sb);
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return (rc);
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}
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static int
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sysctl_cpl_stats(SYSCTL_HANDLER_ARGS)
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{
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