From 136e410ceb86c18788083b95c019f9deaa9b4497 Mon Sep 17 00:00:00 2001 From: Navdeep Parhar Date: Tue, 31 May 2011 23:49:13 +0000 Subject: [PATCH] Firmware device log. # sysctl dev.t4nex.0.devlog MFC after: mdf's sysctl+sbuf changes are MFC'd --- sys/dev/cxgbe/t4_main.c | 151 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 151 insertions(+) diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index ec72d04cdb9e..d6ce2a50847b 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -271,6 +271,7 @@ static void setup_memwin(struct adapter *); static int cfg_itype_and_nqueues(struct adapter *, int, int, struct intrs_and_queues *); static int prep_firmware(struct adapter *); +static int get_devlog_params(struct adapter *, struct devlog_params *); static int get_capabilities(struct adapter *, struct fw_caps_config_cmd *); static int get_params(struct adapter *, struct fw_caps_config_cmd *); static void t4_set_desc(struct adapter *); @@ -297,6 +298,7 @@ static int sysctl_holdoff_pktc_idx(SYSCTL_HANDLER_ARGS); static int sysctl_qsize_rxq(SYSCTL_HANDLER_ARGS); static int sysctl_qsize_txq(SYSCTL_HANDLER_ARGS); static int sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS); +static int sysctl_devlog(SYSCTL_HANDLER_ARGS); static inline void txq_start(struct ifnet *, struct sge_txq *); static uint32_t fconf_to_mode(uint32_t); static uint32_t mode_to_fconf(uint32_t); @@ -402,6 +404,9 @@ t4_attach(device_t dev) if (rc != 0) goto done; /* error message displayed already */ + /* Read firmware devlog parameters */ + (void) get_devlog_params(sc, &sc->params.devlog); + /* Get device capabilities and select which ones we'll use */ rc = get_capabilities(sc, &caps); if (rc != 0) { @@ -1419,6 +1424,34 @@ prep_firmware(struct adapter *sc) return (0); } +static int +get_devlog_params(struct adapter *sc, struct devlog_params *dlog) +{ + struct fw_devlog_cmd devlog_cmd; + uint32_t meminfo; + int rc; + + bzero(&devlog_cmd, sizeof(devlog_cmd)); + devlog_cmd.op_to_write = htobe32(V_FW_CMD_OP(FW_DEVLOG_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_READ); + devlog_cmd.retval_len16 = htobe32(FW_LEN16(devlog_cmd)); + rc = -t4_wr_mbox(sc, sc->mbox, &devlog_cmd, sizeof(devlog_cmd), + &devlog_cmd); + if (rc != 0) { + device_printf(sc->dev, + "failed to get devlog parameters: %d.\n", rc); + bzero(dlog, sizeof (*dlog)); + return (rc); + } + + meminfo = be32toh(devlog_cmd.memtype_devlog_memaddr16_devlog); + dlog->memtype = G_FW_DEVLOG_CMD_MEMTYPE_DEVLOG(meminfo); + dlog->start = G_FW_DEVLOG_CMD_MEMADDR16_DEVLOG(meminfo) << 4; + dlog->size = be32toh(devlog_cmd.memsize_devlog); + + return (0); +} + static int get_capabilities(struct adapter *sc, struct fw_caps_config_cmd *caps) { @@ -2387,6 +2420,10 @@ t4_sysctls(struct adapter *sc) CTLTYPE_STRING | CTLFLAG_RD, &intr_pktcount, sizeof(intr_pktcount), sysctl_int_array, "A", "interrupt holdoff packet counter values"); + SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "devlog", + CTLTYPE_STRING | CTLFLAG_RD, sc, 0, + sysctl_devlog, "A", "device log"); + return (0); } @@ -2730,6 +2767,120 @@ sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS) return (sysctl_handle_64(oidp, &val, 0, req)); } +const char *devlog_level_strings[] = { + [FW_DEVLOG_LEVEL_EMERG] = "EMERG", + [FW_DEVLOG_LEVEL_CRIT] = "CRIT", + [FW_DEVLOG_LEVEL_ERR] = "ERR", + [FW_DEVLOG_LEVEL_NOTICE] = "NOTICE", + [FW_DEVLOG_LEVEL_INFO] = "INFO", + [FW_DEVLOG_LEVEL_DEBUG] = "DEBUG" +}; + +const char *devlog_facility_strings[] = { + [FW_DEVLOG_FACILITY_CORE] = "CORE", + [FW_DEVLOG_FACILITY_SCHED] = "SCHED", + [FW_DEVLOG_FACILITY_TIMER] = "TIMER", + [FW_DEVLOG_FACILITY_RES] = "RES", + [FW_DEVLOG_FACILITY_HW] = "HW", + [FW_DEVLOG_FACILITY_FLR] = "FLR", + [FW_DEVLOG_FACILITY_DMAQ] = "DMAQ", + [FW_DEVLOG_FACILITY_PHY] = "PHY", + [FW_DEVLOG_FACILITY_MAC] = "MAC", + [FW_DEVLOG_FACILITY_PORT] = "PORT", + [FW_DEVLOG_FACILITY_VI] = "VI", + [FW_DEVLOG_FACILITY_FILTER] = "FILTER", + [FW_DEVLOG_FACILITY_ACL] = "ACL", + [FW_DEVLOG_FACILITY_TM] = "TM", + [FW_DEVLOG_FACILITY_QFC] = "QFC", + [FW_DEVLOG_FACILITY_DCB] = "DCB", + [FW_DEVLOG_FACILITY_ETH] = "ETH", + [FW_DEVLOG_FACILITY_OFLD] = "OFLD", + [FW_DEVLOG_FACILITY_RI] = "RI", + [FW_DEVLOG_FACILITY_ISCSI] = "ISCSI", + [FW_DEVLOG_FACILITY_FCOE] = "FCOE", + [FW_DEVLOG_FACILITY_FOISCSI] = "FOISCSI", + [FW_DEVLOG_FACILITY_FOFCOE] = "FOFCOE" +}; + +static int +sysctl_devlog(SYSCTL_HANDLER_ARGS) +{ + struct adapter *sc = arg1; + struct devlog_params *dparams = &sc->params.devlog; + struct fw_devlog_e *buf, *e; + int i, j, rc, nentries, first = 0; + struct sbuf *sb; + uint64_t ftstamp = UINT64_MAX; + + if (dparams->start == 0) + return (ENXIO); + + nentries = dparams->size / sizeof(struct fw_devlog_e); + + buf = malloc(dparams->size, M_CXGBE, M_NOWAIT); + if (buf == NULL) + return (ENOMEM); + + rc = -t4_mem_read(sc, dparams->memtype, dparams->start, dparams->size, + (void *)buf); + if (rc != 0) + goto done; + + for (i = 0; i < nentries; i++) { + e = &buf[i]; + + if (e->timestamp == 0) + break; /* end */ + + e->timestamp = be64toh(e->timestamp); + e->seqno = be32toh(e->seqno); + for (j = 0; j < 8; j++) + e->params[j] = be32toh(e->params[j]); + + if (e->timestamp < ftstamp) { + ftstamp = e->timestamp; + first = i; + } + } + + if (buf[first].timestamp == 0) + goto done; /* nothing in the log */ + + rc = sysctl_wire_old_buffer(req, 0); + if (rc != 0) + goto done; + + sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); + sbuf_printf(sb, "\n%10s %15s %8s %8s %s\n", + "Seq#", "Tstamp", "Level", "Facility", "Message"); + + i = first; + do { + e = &buf[i]; + if (e->timestamp == 0) + break; /* end */ + + sbuf_printf(sb, "%10d %15ju %8s %8s ", + e->seqno, e->timestamp, + (e->level < ARRAY_SIZE(devlog_level_strings) ? + devlog_level_strings[e->level] : "UNKNOWN"), + (e->facility < ARRAY_SIZE(devlog_facility_strings) ? + devlog_facility_strings[e->facility] : "UNKNOWN")); + sbuf_printf(sb, e->fmt, e->params[0], e->params[1], + e->params[2], e->params[3], e->params[4], + e->params[5], e->params[6], e->params[7]); + + if (++i == nentries) + i = 0; + } while (i != first); + + rc = sbuf_finish(sb); + sbuf_delete(sb); +done: + free(buf, M_CXGBE); + return (rc); +} + static inline void txq_start(struct ifnet *ifp, struct sge_txq *txq) {