Author: np
Date: Sat Jun 11 04:55:15 2011
New Revision: 222974
URL: http://svn.freebsd.org/changeset/base/222974
Log:
Add "context" subcommand to fetch and display SGE context.
Modified:
head/tools/tools/cxgbetool/cxgbetool.c
Modified: head/tools/tools/cxgbetool/cxgbetool.c
==============================================================================
--- head/tools/tools/cxgbetool/cxgbetool.c Sat Jun 11 04:50:54 2011
(r222973)
+++ head/tools/tools/cxgbetool/cxgbetool.c Sat Jun 11 04:55:15 2011
(r222974)
@@ -46,6 +46,8 @@ __FBSDID("$FreeBSD$");
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+#define max(x, y) ((x) > (y) ? (x) : (y))
+
static const char *progname, *nexus;
struct reg_info {
@@ -59,6 +61,15 @@ struct mod_regs {
const struct reg_info *ri;
};
+struct field_desc {
+ const char *name; /* Field name */
+ unsigned short start; /* Start bit position */
+ unsigned short end; /* End bit position */
+ unsigned char shift; /* # of low order bits omitted and implicitly 0 */
+ unsigned char hex; /* Print field in hex instead of decimal */
+ unsigned char islog2; /* Field contains the base-2 log of the value */
+};
+
#include "reg_defs_t4.c"
#include "reg_defs_t4vf.c"
@@ -67,6 +78,7 @@ usage(FILE *fp)
{
fprintf(fp, "Usage: %s <nexus> [operation]\n", progname);
fprintf(fp,
+ "\tcontext <type> <id> show an SGE context\n"
"\tfilter <idx> [<param> <val>] ... set a filter\n"
"\tfilter <idx> delete|clear delete a filter\n"
"\tfilter list list all filters\n"
@@ -1113,6 +1125,227 @@ filter_cmd(int argc, const char *argv[])
return set_filter(idx, argc - 1, argv + 1);
}
+/*
+ * Shows the fields of a multi-word structure. The structure is considered to
+ * consist of @nwords 32-bit words (i.e, it's an (@nwords * 32)-bit structure)
+ * whose fields are described by @fd. The 32-bit words are given in @words
+ * starting with the least significant 32-bit word.
+ */
+static void
+show_struct(const uint32_t *words, int nwords, const struct field_desc *fd)
+{
+ unsigned int w = 0;
+ const struct field_desc *p;
+
+ for (p = fd; p->name; p++)
+ w = max(w, strlen(p->name));
+
+ while (fd->name) {
+ unsigned long long data;
+ int first_word = fd->start / 32;
+ int shift = fd->start % 32;
+ int width = fd->end - fd->start + 1;
+ unsigned long long mask = (1ULL << width) - 1;
+
+ data = (words[first_word] >> shift) |
+ ((uint64_t)words[first_word + 1] << (32 - shift));
+ if (shift)
+ data |= ((uint64_t)words[first_word + 2] << (64 -
shift));
+ data &= mask;
+ if (fd->islog2)
+ data = 1 << data;
+ printf("%-*s ", w, fd->name);
+ printf(fd->hex ? "%#llx\n" : "%llu\n", data << fd->shift);
+ fd++;
+ }
+}
+
+#define FIELD(name, start, end) { name, start, end, 0, 0, 0 }
+#define FIELD1(name, start) FIELD(name, start, start)
+
+static void
+show_sge_context(const struct t4_sge_context *p)
+{
+ static struct field_desc egress[] = {
+ FIELD1("StatusPgNS:", 180),
+ FIELD1("StatusPgRO:", 179),
+ FIELD1("FetchNS:", 178),
+ FIELD1("FetchRO:", 177),
+ FIELD1("Valid:", 176),
+ FIELD("PCIeDataChannel:", 174, 175),
+ FIELD1("DCAEgrQEn:", 173),
+ FIELD("DCACPUID:", 168, 172),
+ FIELD1("FCThreshOverride:", 167),
+ FIELD("WRLength:", 162, 166),
+ FIELD1("WRLengthKnown:", 161),
+ FIELD1("ReschedulePending:", 160),
+ FIELD1("OnChipQueue:", 159),
+ FIELD1("FetchSizeMode", 158),
+ { "FetchBurstMin:", 156, 157, 4, 0, 1 },
+ { "FetchBurstMax:", 153, 154, 6, 0, 1 },
+ FIELD("uPToken:", 133, 152),
+ FIELD1("uPTokenEn:", 132),
+ FIELD1("UserModeIO:", 131),
+ FIELD("uPFLCredits:", 123, 130),
+ FIELD1("uPFLCreditEn:", 122),
+ FIELD("FID:", 111, 121),
+ FIELD("HostFCMode:", 109, 110),
+ FIELD1("HostFCOwner:", 108),
+ { "CIDXFlushThresh:", 105, 107, 0, 0, 1 },
+ FIELD("CIDX:", 89, 104),
+ FIELD("PIDX:", 73, 88),
+ { "BaseAddress:", 18, 72, 9, 1 },
+ FIELD("QueueSize:", 2, 17),
+ FIELD1("QueueType:", 1),
+ FIELD1("CachePriority:", 0),
+ { NULL }
+ };
+ static struct field_desc fl[] = {
+ FIELD1("StatusPgNS:", 180),
+ FIELD1("StatusPgRO:", 179),
+ FIELD1("FetchNS:", 178),
+ FIELD1("FetchRO:", 177),
+ FIELD1("Valid:", 176),
+ FIELD("PCIeDataChannel:", 174, 175),
+ FIELD1("DCAEgrQEn:", 173),
+ FIELD("DCACPUID:", 168, 172),
+ FIELD1("FCThreshOverride:", 167),
+ FIELD("WRLength:", 162, 166),
+ FIELD1("WRLengthKnown:", 161),
+ FIELD1("ReschedulePending:", 160),
+ FIELD1("OnChipQueue:", 159),
+ FIELD1("FetchSizeMode", 158),
+ { "FetchBurstMin:", 156, 157, 4, 0, 1 },
+ { "FetchBurstMax:", 153, 154, 6, 0, 1 },
+ FIELD1("FLMcongMode:", 152),
+ FIELD("MaxuPFLCredits:", 144, 151),
+ FIELD("FLMcontextID:", 133, 143),
+ FIELD1("uPTokenEn:", 132),
+ FIELD1("UserModeIO:", 131),
+ FIELD("uPFLCredits:", 123, 130),
+ FIELD1("uPFLCreditEn:", 122),
+ FIELD("FID:", 111, 121),
+ FIELD("HostFCMode:", 109, 110),
+ FIELD1("HostFCOwner:", 108),
+ { "CIDXFlushThresh:", 105, 107, 0, 0, 1 },
+ FIELD("CIDX:", 89, 104),
+ FIELD("PIDX:", 73, 88),
+ { "BaseAddress:", 18, 72, 9, 1 },
+ FIELD("QueueSize:", 2, 17),
+ FIELD1("QueueType:", 1),
+ FIELD1("CachePriority:", 0),
+ { NULL }
+ };
+ static struct field_desc ingress[] = {
+ FIELD1("NoSnoop:", 145),
+ FIELD1("RelaxedOrdering:", 144),
+ FIELD1("GTSmode:", 143),
+ FIELD1("ISCSICoalescing:", 142),
+ FIELD1("Valid:", 141),
+ FIELD1("TimerPending:", 140),
+ FIELD1("DropRSS:", 139),
+ FIELD("PCIeChannel:", 137, 138),
+ FIELD1("SEInterruptArmed:", 136),
+ FIELD1("CongestionMgtEnable:", 135),
+ FIELD1("DCAIngQEnable:", 134),
+ FIELD("DCACPUID:", 129, 133),
+ FIELD1("UpdateScheduling:", 128),
+ FIELD("UpdateDelivery:", 126, 127),
+ FIELD1("InterruptSent:", 125),
+ FIELD("InterruptIDX:", 114, 124),
+ FIELD1("InterruptDestination:", 113),
+ FIELD1("InterruptArmed:", 112),
+ FIELD("RxIntCounter:", 106, 111),
+ FIELD("RxIntCounterThreshold:", 104, 105),
+ FIELD1("Generation:", 103),
+ { "BaseAddress:", 48, 102, 9, 1 },
+ FIELD("PIDX:", 32, 47),
+ FIELD("CIDX:", 16, 31),
+ { "QueueSize:", 4, 15, 4, 0 },
+ { "QueueEntrySize:", 2, 3, 4, 0, 1 },
+ FIELD1("QueueEntryOverride:", 1),
+ FIELD1("CachePriority:", 0),
+ { NULL }
+ };
+ static struct field_desc flm[] = {
+ FIELD1("NoSnoop:", 79),
+ FIELD1("RelaxedOrdering:", 78),
+ FIELD1("Valid:", 77),
+ FIELD("DCACPUID:", 72, 76),
+ FIELD1("DCAFLEn:", 71),
+ FIELD("EQid:", 54, 70),
+ FIELD("SplitEn:", 52, 53),
+ FIELD1("PadEn:", 51),
+ FIELD1("PackEn:", 50),
+ FIELD1("DBpriority:", 48),
+ FIELD("PackOffset:", 16, 47),
+ FIELD("CIDX:", 8, 15),
+ FIELD("PIDX:", 0, 7),
+ { NULL }
+ };
+ static struct field_desc conm[] = {
+ FIELD1("CngDBPHdr:", 6),
+ FIELD1("CngDBPData:", 5),
+ FIELD1("CngIMSG:", 4),
+ FIELD("CngChMap:", 0, 3),
+ { NULL }
+ };
+
+ if (p->mem_id == SGE_CONTEXT_EGRESS)
+ show_struct(p->data, 6, (p->data[0] & 2) ? fl : egress);
+ else if (p->mem_id == SGE_CONTEXT_FLM)
+ show_struct(p->data, 3, flm);
+ else if (p->mem_id == SGE_CONTEXT_INGRESS)
+ show_struct(p->data, 5, ingress);
+ else if (p->mem_id == SGE_CONTEXT_CNM)
+ show_struct(p->data, 1, conm);
+}
+
+#undef FIELD
+#undef FIELD1
+
+static int
+get_sge_context(int argc, const char *argv[])
+{
+ int rc;
+ char *p;
+ long cid;
+ struct t4_sge_context cntxt = {0};
+
+ if (argc != 2) {
+ warnx("sge_context: incorrect number of arguments.");
+ return (EINVAL);
+ }
+
+ if (!strcmp(argv[0], "egress"))
+ cntxt.mem_id = SGE_CONTEXT_EGRESS;
+ else if (!strcmp(argv[0], "ingress"))
+ cntxt.mem_id = SGE_CONTEXT_INGRESS;
+ else if (!strcmp(argv[0], "fl"))
+ cntxt.mem_id = SGE_CONTEXT_FLM;
+ else if (!strcmp(argv[0], "cong"))
+ cntxt.mem_id = SGE_CONTEXT_CNM;
+ else {
+ warnx("unknown context type \"%s\"; known types are egress, "
+ "ingress, fl, and cong.", argv[0]);
+ return (EINVAL);
+ }
+
+ p = str_to_number(argv[1], &cid, NULL);
+ if (*p) {
+ warnx("invalid context id \"%s\"", argv[1]);
+ return (EINVAL);
+ }
+ cntxt.cid = cid;
+
+ rc = doit(CHELSIO_T4_GET_SGE_CONTEXT, &cntxt);
+ if (rc != 0)
+ return (rc);
+
+ show_sge_context(&cntxt);
+ return (0);
+}
+
static int
run_cmd(int argc, const char *argv[])
{
@@ -1131,6 +1364,8 @@ run_cmd(int argc, const char *argv[])
rc = dump_regs(argc, argv);
else if (!strcmp(cmd, "filter"))
rc = filter_cmd(argc, argv);
+ else if (!strcmp(cmd, "context"))
+ rc = get_sge_context(argc, argv);
else {
rc = EINVAL;
warnx("invalid command \"%s\"", cmd);
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