Add "context" subcommand to fetch and display SGE context.
This commit is contained in:
Navdeep Parhar
parent
59bc8ce035
commit
df262243ac
@ -46,6 +46,8 @@ __FBSDID("$FreeBSD$");
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
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#define max(x, y) ((x) > (y) ? (x) : (y))
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static const char *progname, *nexus;
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struct reg_info {
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@ -59,6 +61,15 @@ struct mod_regs {
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const struct reg_info *ri;
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};
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struct field_desc {
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const char *name; /* Field name */
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unsigned short start; /* Start bit position */
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unsigned short end; /* End bit position */
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unsigned char shift; /* # of low order bits omitted and implicitly 0 */
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unsigned char hex; /* Print field in hex instead of decimal */
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unsigned char islog2; /* Field contains the base-2 log of the value */
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};
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#include "reg_defs_t4.c"
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#include "reg_defs_t4vf.c"
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@ -67,6 +78,7 @@ usage(FILE *fp)
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{
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fprintf(fp, "Usage: %s <nexus> [operation]\n", progname);
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fprintf(fp,
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"\tcontext <type> <id> show an SGE context\n"
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"\tfilter <idx> [<param> <val>] ... set a filter\n"
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"\tfilter <idx> delete|clear delete a filter\n"
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"\tfilter list list all filters\n"
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@ -1113,6 +1125,227 @@ filter_cmd(int argc, const char *argv[])
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return set_filter(idx, argc - 1, argv + 1);
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}
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/*
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* Shows the fields of a multi-word structure. The structure is considered to
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* consist of @nwords 32-bit words (i.e, it's an (@nwords * 32)-bit structure)
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* whose fields are described by @fd. The 32-bit words are given in @words
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* starting with the least significant 32-bit word.
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*/
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static void
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show_struct(const uint32_t *words, int nwords, const struct field_desc *fd)
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{
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unsigned int w = 0;
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const struct field_desc *p;
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for (p = fd; p->name; p++)
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w = max(w, strlen(p->name));
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while (fd->name) {
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unsigned long long data;
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int first_word = fd->start / 32;
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int shift = fd->start % 32;
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int width = fd->end - fd->start + 1;
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unsigned long long mask = (1ULL << width) - 1;
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data = (words[first_word] >> shift) |
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((uint64_t)words[first_word + 1] << (32 - shift));
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if (shift)
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data |= ((uint64_t)words[first_word + 2] << (64 - shift));
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data &= mask;
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if (fd->islog2)
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data = 1 << data;
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printf("%-*s ", w, fd->name);
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printf(fd->hex ? "%#llx\n" : "%llu\n", data << fd->shift);
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fd++;
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}
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}
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#define FIELD(name, start, end) { name, start, end, 0, 0, 0 }
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#define FIELD1(name, start) FIELD(name, start, start)
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static void
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show_sge_context(const struct t4_sge_context *p)
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{
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static struct field_desc egress[] = {
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FIELD1("StatusPgNS:", 180),
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FIELD1("StatusPgRO:", 179),
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FIELD1("FetchNS:", 178),
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FIELD1("FetchRO:", 177),
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FIELD1("Valid:", 176),
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FIELD("PCIeDataChannel:", 174, 175),
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FIELD1("DCAEgrQEn:", 173),
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FIELD("DCACPUID:", 168, 172),
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FIELD1("FCThreshOverride:", 167),
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FIELD("WRLength:", 162, 166),
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FIELD1("WRLengthKnown:", 161),
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FIELD1("ReschedulePending:", 160),
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FIELD1("OnChipQueue:", 159),
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FIELD1("FetchSizeMode", 158),
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{ "FetchBurstMin:", 156, 157, 4, 0, 1 },
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{ "FetchBurstMax:", 153, 154, 6, 0, 1 },
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FIELD("uPToken:", 133, 152),
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FIELD1("uPTokenEn:", 132),
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FIELD1("UserModeIO:", 131),
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FIELD("uPFLCredits:", 123, 130),
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FIELD1("uPFLCreditEn:", 122),
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FIELD("FID:", 111, 121),
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FIELD("HostFCMode:", 109, 110),
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FIELD1("HostFCOwner:", 108),
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{ "CIDXFlushThresh:", 105, 107, 0, 0, 1 },
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FIELD("CIDX:", 89, 104),
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FIELD("PIDX:", 73, 88),
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{ "BaseAddress:", 18, 72, 9, 1 },
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FIELD("QueueSize:", 2, 17),
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FIELD1("QueueType:", 1),
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FIELD1("CachePriority:", 0),
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{ NULL }
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};
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static struct field_desc fl[] = {
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FIELD1("StatusPgNS:", 180),
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FIELD1("StatusPgRO:", 179),
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FIELD1("FetchNS:", 178),
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FIELD1("FetchRO:", 177),
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FIELD1("Valid:", 176),
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FIELD("PCIeDataChannel:", 174, 175),
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FIELD1("DCAEgrQEn:", 173),
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FIELD("DCACPUID:", 168, 172),
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FIELD1("FCThreshOverride:", 167),
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FIELD("WRLength:", 162, 166),
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FIELD1("WRLengthKnown:", 161),
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FIELD1("ReschedulePending:", 160),
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FIELD1("OnChipQueue:", 159),
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FIELD1("FetchSizeMode", 158),
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{ "FetchBurstMin:", 156, 157, 4, 0, 1 },
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{ "FetchBurstMax:", 153, 154, 6, 0, 1 },
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FIELD1("FLMcongMode:", 152),
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FIELD("MaxuPFLCredits:", 144, 151),
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FIELD("FLMcontextID:", 133, 143),
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FIELD1("uPTokenEn:", 132),
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FIELD1("UserModeIO:", 131),
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FIELD("uPFLCredits:", 123, 130),
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FIELD1("uPFLCreditEn:", 122),
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FIELD("FID:", 111, 121),
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FIELD("HostFCMode:", 109, 110),
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FIELD1("HostFCOwner:", 108),
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{ "CIDXFlushThresh:", 105, 107, 0, 0, 1 },
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FIELD("CIDX:", 89, 104),
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FIELD("PIDX:", 73, 88),
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{ "BaseAddress:", 18, 72, 9, 1 },
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FIELD("QueueSize:", 2, 17),
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FIELD1("QueueType:", 1),
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FIELD1("CachePriority:", 0),
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{ NULL }
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};
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static struct field_desc ingress[] = {
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FIELD1("NoSnoop:", 145),
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FIELD1("RelaxedOrdering:", 144),
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FIELD1("GTSmode:", 143),
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FIELD1("ISCSICoalescing:", 142),
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FIELD1("Valid:", 141),
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FIELD1("TimerPending:", 140),
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FIELD1("DropRSS:", 139),
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FIELD("PCIeChannel:", 137, 138),
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FIELD1("SEInterruptArmed:", 136),
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FIELD1("CongestionMgtEnable:", 135),
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FIELD1("DCAIngQEnable:", 134),
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FIELD("DCACPUID:", 129, 133),
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FIELD1("UpdateScheduling:", 128),
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FIELD("UpdateDelivery:", 126, 127),
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FIELD1("InterruptSent:", 125),
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FIELD("InterruptIDX:", 114, 124),
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FIELD1("InterruptDestination:", 113),
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FIELD1("InterruptArmed:", 112),
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FIELD("RxIntCounter:", 106, 111),
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FIELD("RxIntCounterThreshold:", 104, 105),
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FIELD1("Generation:", 103),
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{ "BaseAddress:", 48, 102, 9, 1 },
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FIELD("PIDX:", 32, 47),
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FIELD("CIDX:", 16, 31),
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{ "QueueSize:", 4, 15, 4, 0 },
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{ "QueueEntrySize:", 2, 3, 4, 0, 1 },
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FIELD1("QueueEntryOverride:", 1),
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FIELD1("CachePriority:", 0),
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{ NULL }
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};
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static struct field_desc flm[] = {
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FIELD1("NoSnoop:", 79),
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FIELD1("RelaxedOrdering:", 78),
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FIELD1("Valid:", 77),
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FIELD("DCACPUID:", 72, 76),
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FIELD1("DCAFLEn:", 71),
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FIELD("EQid:", 54, 70),
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FIELD("SplitEn:", 52, 53),
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FIELD1("PadEn:", 51),
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FIELD1("PackEn:", 50),
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FIELD1("DBpriority:", 48),
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FIELD("PackOffset:", 16, 47),
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FIELD("CIDX:", 8, 15),
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FIELD("PIDX:", 0, 7),
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{ NULL }
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};
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static struct field_desc conm[] = {
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FIELD1("CngDBPHdr:", 6),
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FIELD1("CngDBPData:", 5),
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FIELD1("CngIMSG:", 4),
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FIELD("CngChMap:", 0, 3),
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{ NULL }
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};
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if (p->mem_id == SGE_CONTEXT_EGRESS)
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show_struct(p->data, 6, (p->data[0] & 2) ? fl : egress);
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else if (p->mem_id == SGE_CONTEXT_FLM)
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show_struct(p->data, 3, flm);
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else if (p->mem_id == SGE_CONTEXT_INGRESS)
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show_struct(p->data, 5, ingress);
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else if (p->mem_id == SGE_CONTEXT_CNM)
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show_struct(p->data, 1, conm);
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}
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#undef FIELD
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#undef FIELD1
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static int
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get_sge_context(int argc, const char *argv[])
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{
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int rc;
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char *p;
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long cid;
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struct t4_sge_context cntxt = {0};
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if (argc != 2) {
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warnx("sge_context: incorrect number of arguments.");
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return (EINVAL);
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}
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if (!strcmp(argv[0], "egress"))
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cntxt.mem_id = SGE_CONTEXT_EGRESS;
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else if (!strcmp(argv[0], "ingress"))
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cntxt.mem_id = SGE_CONTEXT_INGRESS;
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else if (!strcmp(argv[0], "fl"))
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cntxt.mem_id = SGE_CONTEXT_FLM;
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else if (!strcmp(argv[0], "cong"))
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cntxt.mem_id = SGE_CONTEXT_CNM;
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else {
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warnx("unknown context type \"%s\"; known types are egress, "
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"ingress, fl, and cong.", argv[0]);
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return (EINVAL);
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}
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p = str_to_number(argv[1], &cid, NULL);
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if (*p) {
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warnx("invalid context id \"%s\"", argv[1]);
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return (EINVAL);
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}
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cntxt.cid = cid;
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rc = doit(CHELSIO_T4_GET_SGE_CONTEXT, &cntxt);
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if (rc != 0)
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return (rc);
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show_sge_context(&cntxt);
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return (0);
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}
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static int
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run_cmd(int argc, const char *argv[])
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{
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@ -1131,6 +1364,8 @@ run_cmd(int argc, const char *argv[])
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rc = dump_regs(argc, argv);
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else if (!strcmp(cmd, "filter"))
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rc = filter_cmd(argc, argv);
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else if (!strcmp(cmd, "context"))
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rc = get_sge_context(argc, argv);
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else {
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rc = EINVAL;
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warnx("invalid command \"%s\"", cmd);
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