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Code Issues Releases Activity

Firmware device log.

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# sysctl dev.t4nex.0.devlog

MFC after:	mdf's sysctl+sbuf changes are MFC'd
This commit is contained in:
Navdeep Parhar 2011-05-31 23:49:13 +00:00
parent 534917efef
commit 136e410ceb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=222551
1 changed files with 151 additions and 0 deletions
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151
sys/dev/cxgbe/t4_main.c
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@ -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)
{