Firmware device log.
# sysctl dev.t4nex.0.devlog MFC after: mdf's sysctl+sbuf changes are MFC'd
This commit is contained in:
Navdeep Parhar
parent
534917efef
commit
136e410ceb
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=222551
@ -271,6 +271,7 @@ static void setup_memwin(struct adapter *);
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static int cfg_itype_and_nqueues(struct adapter *, int, int,
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struct intrs_and_queues *);
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static int prep_firmware(struct adapter *);
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static int get_devlog_params(struct adapter *, struct devlog_params *);
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static int get_capabilities(struct adapter *, struct fw_caps_config_cmd *);
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static int get_params(struct adapter *, struct fw_caps_config_cmd *);
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static void t4_set_desc(struct adapter *);
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@ -297,6 +298,7 @@ static int sysctl_holdoff_pktc_idx(SYSCTL_HANDLER_ARGS);
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static int sysctl_qsize_rxq(SYSCTL_HANDLER_ARGS);
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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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static int sysctl_devlog(SYSCTL_HANDLER_ARGS);
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static inline void txq_start(struct ifnet *, struct sge_txq *);
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static uint32_t fconf_to_mode(uint32_t);
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static uint32_t mode_to_fconf(uint32_t);
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@ -402,6 +404,9 @@ t4_attach(device_t dev)
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if (rc != 0)
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goto done; /* error message displayed already */
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/* Read firmware devlog parameters */
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(void) get_devlog_params(sc, &sc->params.devlog);
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/* Get device capabilities and select which ones we'll use */
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rc = get_capabilities(sc, &caps);
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if (rc != 0) {
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@ -1419,6 +1424,34 @@ prep_firmware(struct adapter *sc)
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return (0);
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}
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static int
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get_devlog_params(struct adapter *sc, struct devlog_params *dlog)
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{
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struct fw_devlog_cmd devlog_cmd;
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uint32_t meminfo;
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int rc;
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bzero(&devlog_cmd, sizeof(devlog_cmd));
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devlog_cmd.op_to_write = htobe32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
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F_FW_CMD_REQUEST | F_FW_CMD_READ);
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devlog_cmd.retval_len16 = htobe32(FW_LEN16(devlog_cmd));
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rc = -t4_wr_mbox(sc, sc->mbox, &devlog_cmd, sizeof(devlog_cmd),
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&devlog_cmd);
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if (rc != 0) {
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device_printf(sc->dev,
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"failed to get devlog parameters: %d.\n", rc);
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bzero(dlog, sizeof (*dlog));
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return (rc);
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}
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meminfo = be32toh(devlog_cmd.memtype_devlog_memaddr16_devlog);
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dlog->memtype = G_FW_DEVLOG_CMD_MEMTYPE_DEVLOG(meminfo);
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dlog->start = G_FW_DEVLOG_CMD_MEMADDR16_DEVLOG(meminfo) << 4;
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dlog->size = be32toh(devlog_cmd.memsize_devlog);
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return (0);
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}
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static int
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get_capabilities(struct adapter *sc, struct fw_caps_config_cmd *caps)
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{
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@ -2387,6 +2420,10 @@ t4_sysctls(struct adapter *sc)
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CTLTYPE_STRING | CTLFLAG_RD, &intr_pktcount, sizeof(intr_pktcount),
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sysctl_int_array, "A", "interrupt holdoff packet counter values");
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SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "devlog",
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CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
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sysctl_devlog, "A", "device log");
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return (0);
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}
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@ -2730,6 +2767,120 @@ sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS)
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return (sysctl_handle_64(oidp, &val, 0, req));
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}
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const char *devlog_level_strings[] = {
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[FW_DEVLOG_LEVEL_EMERG] = "EMERG",
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[FW_DEVLOG_LEVEL_CRIT] = "CRIT",
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[FW_DEVLOG_LEVEL_ERR] = "ERR",
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[FW_DEVLOG_LEVEL_NOTICE] = "NOTICE",
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[FW_DEVLOG_LEVEL_INFO] = "INFO",
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[FW_DEVLOG_LEVEL_DEBUG] = "DEBUG"
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};
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const char *devlog_facility_strings[] = {
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[FW_DEVLOG_FACILITY_CORE] = "CORE",
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[FW_DEVLOG_FACILITY_SCHED] = "SCHED",
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[FW_DEVLOG_FACILITY_TIMER] = "TIMER",
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[FW_DEVLOG_FACILITY_RES] = "RES",
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[FW_DEVLOG_FACILITY_HW] = "HW",
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[FW_DEVLOG_FACILITY_FLR] = "FLR",
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[FW_DEVLOG_FACILITY_DMAQ] = "DMAQ",
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[FW_DEVLOG_FACILITY_PHY] = "PHY",
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[FW_DEVLOG_FACILITY_MAC] = "MAC",
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[FW_DEVLOG_FACILITY_PORT] = "PORT",
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[FW_DEVLOG_FACILITY_VI] = "VI",
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[FW_DEVLOG_FACILITY_FILTER] = "FILTER",
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[FW_DEVLOG_FACILITY_ACL] = "ACL",
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[FW_DEVLOG_FACILITY_TM] = "TM",
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[FW_DEVLOG_FACILITY_QFC] = "QFC",
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[FW_DEVLOG_FACILITY_DCB] = "DCB",
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[FW_DEVLOG_FACILITY_ETH] = "ETH",
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[FW_DEVLOG_FACILITY_OFLD] = "OFLD",
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[FW_DEVLOG_FACILITY_RI] = "RI",
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[FW_DEVLOG_FACILITY_ISCSI] = "ISCSI",
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[FW_DEVLOG_FACILITY_FCOE] = "FCOE",
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[FW_DEVLOG_FACILITY_FOISCSI] = "FOISCSI",
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[FW_DEVLOG_FACILITY_FOFCOE] = "FOFCOE"
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};
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static int
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sysctl_devlog(SYSCTL_HANDLER_ARGS)
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{
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struct adapter *sc = arg1;
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struct devlog_params *dparams = &sc->params.devlog;
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struct fw_devlog_e *buf, *e;
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int i, j, rc, nentries, first = 0;
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struct sbuf *sb;
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uint64_t ftstamp = UINT64_MAX;
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if (dparams->start == 0)
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return (ENXIO);
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nentries = dparams->size / sizeof(struct fw_devlog_e);
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buf = malloc(dparams->size, M_CXGBE, M_NOWAIT);
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if (buf == NULL)
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return (ENOMEM);
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rc = -t4_mem_read(sc, dparams->memtype, dparams->start, dparams->size,
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(void *)buf);
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if (rc != 0)
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goto done;
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for (i = 0; i < nentries; i++) {
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e = &buf[i];
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if (e->timestamp == 0)
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break; /* end */
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e->timestamp = be64toh(e->timestamp);
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e->seqno = be32toh(e->seqno);
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for (j = 0; j < 8; j++)
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e->params[j] = be32toh(e->params[j]);
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if (e->timestamp < ftstamp) {
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ftstamp = e->timestamp;
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first = i;
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}
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}
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if (buf[first].timestamp == 0)
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goto done; /* nothing in the log */
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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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sbuf_printf(sb, "\n%10s %15s %8s %8s %s\n",
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"Seq#", "Tstamp", "Level", "Facility", "Message");
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i = first;
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do {
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e = &buf[i];
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if (e->timestamp == 0)
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break; /* end */
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sbuf_printf(sb, "%10d %15ju %8s %8s ",
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e->seqno, e->timestamp,
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(e->level < ARRAY_SIZE(devlog_level_strings) ?
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devlog_level_strings[e->level] : "UNKNOWN"),
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(e->facility < ARRAY_SIZE(devlog_facility_strings) ?
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devlog_facility_strings[e->facility] : "UNKNOWN"));
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sbuf_printf(sb, e->fmt, e->params[0], e->params[1],
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e->params[2], e->params[3], e->params[4],
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e->params[5], e->params[6], e->params[7]);
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if (++i == nentries)
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i = 0;
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} while (i != first);
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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 inline void
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txq_start(struct ifnet *ifp, struct sge_txq *txq)
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{
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