Author: np
Date: Tue May 31 23:49:13 2011
New Revision: 222551
URL: http://svn.freebsd.org/changeset/base/222551
Log:
Firmware device log.
# sysctl dev.t4nex.0.devlog
MFC after: mdf's sysctl+sbuf changes are MFC'd
Modified:
head/sys/dev/cxgbe/t4_main.c
Modified: head/sys/dev/cxgbe/t4_main.c
==============================================================================
--- head/sys/dev/cxgbe/t4_main.c Tue May 31 22:39:32 2011
(r222550)
+++ head/sys/dev/cxgbe/t4_main.c Tue May 31 23:49:13 2011
(r222551)
@@ -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(SYSCT
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) {
@@ -1420,6 +1425,34 @@ prep_firmware(struct adapter *sc)
}
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)
{
int rc;
@@ -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_AR
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)
{
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