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mpsutil: Add Show Discovery command
Prints the current discovry tables for the driver. Sponsored by: Netflix Assisted by: Claude (sonet-5) Differential Revision: https://reviews.freebsd.org/D58528
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@@ -630,6 +630,211 @@ show_devices(int ac, char **av)
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}
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MPS_COMMAND(show, devices, show_devices, "", "Show attached devices");
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static const struct {
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uint32_t mask;
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const char *name;
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} discovery_status_bits[] = {
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{ MPI2_SASIOUNIT0_DS_MAX_ENCLOSURES_EXCEED, "MaxEnclosuresExceeded" },
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{ MPI2_SASIOUNIT0_DS_MAX_EXPANDERS_EXCEED, "MaxExpandersExceeded" },
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{ MPI2_SASIOUNIT0_DS_MAX_DEVICES_EXCEED, "MaxDevicesExceeded" },
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{ MPI2_SASIOUNIT0_DS_MAX_TOPO_PHYS_EXCEED, "MaxTopoPhysExceeded" },
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{ MPI2_SASIOUNIT0_DS_DOWNSTREAM_INITIATOR, "DownstreamInitiator" },
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{ MPI2_SASIOUNIT0_DS_MULTI_SUBTRACTIVE_SUBTRACTIVE, "MultiSubtractiveToSubtractive" },
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{ MPI2_SASIOUNIT0_DS_EXP_MULTI_SUBTRACTIVE, "ExpMultiSubtractive" },
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{ MPI2_SASIOUNIT0_DS_MULTI_PORT_DOMAIN, "MultiPortDomain" },
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{ MPI2_SASIOUNIT0_DS_TABLE_TO_SUBTRACTIVE_LINK, "TableToSubtractiveLink" },
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{ MPI2_SASIOUNIT0_DS_UNSUPPORTED_DEVICE, "UnsupportedDevice" },
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{ MPI2_SASIOUNIT0_DS_TABLE_LINK, "TableLink" },
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{ MPI2_SASIOUNIT0_DS_SUBTRACTIVE_LINK, "SubtractiveLink" },
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{ MPI2_SASIOUNIT0_DS_SMP_CRC_ERROR, "SmpCrcError" },
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{ MPI2_SASIOUNIT0_DS_SMP_FUNCTION_FAILED, "SmpFunctionFailed" },
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{ MPI2_SASIOUNIT0_DS_INDEX_NOT_EXIST, "RouteIndexNotExist" },
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{ MPI2_SASIOUNIT0_DS_OUT_ROUTE_ENTRIES, "RouteTableFull" },
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{ MPI2_SASIOUNIT0_DS_SMP_TIMEOUT, "SmpTimeout" },
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{ MPI2_SASIOUNIT0_DS_MULTIPLE_PORTS, "MultiplePortsSameAddress" },
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{ MPI2_SASIOUNIT0_DS_UNADDRESSABLE_DEVICE, "UnaddressableDevice" },
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{ MPI2_SASIOUNIT0_DS_LOOP_DETECTED, "LoopDetected" },
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};
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static void
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snprint_discovery_status(char *buf, size_t buflen, uint32_t ds)
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{
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unsigned i;
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int first = 1;
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buf[0] = '\0';
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if (ds == 0) {
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strlcpy(buf, "-", buflen);
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return;
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}
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for (i = 0; i < nitems(discovery_status_bits); i++) {
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if ((ds & discovery_status_bits[i].mask) == 0)
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continue;
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if (!first)
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strlcat(buf, ",", buflen);
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strlcat(buf, discovery_status_bits[i].name, buflen);
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first = 0;
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}
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}
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static const char *
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get_access_status(uint8_t status)
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{
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switch (status) {
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case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
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return ("Ok");
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case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
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return ("SATAInitFailed");
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case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
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return ("SATACapabilityFailed");
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case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
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return ("SATAAffiliationConflict");
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case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
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return ("SATANeedsInit");
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case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
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return ("RouteNotAddressable");
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case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
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return ("SmpErrorNotAddressable");
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case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
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return ("DeviceBlocked");
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case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
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return ("SATAInitFailUnknown");
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case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
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return ("SATAInitFailAffiliation");
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case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
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return ("SATAInitFailDiag");
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case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
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return ("SATAInitFailID");
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case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
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return ("SATAInitFailPower");
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case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
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return ("SATAInitFailPIO");
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case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
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return ("SATAInitFailMDMA");
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case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
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return ("SATAInitFailUDMA");
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case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
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return ("SATAInitFailZoning");
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case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
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return ("SATAInitFailNotAddressable");
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default:
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return ("Reserved");
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}
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}
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/*
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* Dump firmware-maintained DiscoveryStatus (SAS IO Unit Page 0, per PHY) and
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* AccessStatus (SAS Device Page 0, per device) fields used by mpr(4)/mps(4)
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* during discovery.
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*/
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static int
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show_discovery(int ac, char **av)
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{
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MPI2_CONFIG_PAGE_SASIOUNIT_0 *sas0;
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MPI2_SAS_IO_UNIT0_PHY_DATA *phy;
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MPI2_CONFIG_PAGE_SAS_DEV_0 *device;
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uint16_t IOCStatus, handle;
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uint32_t ds;
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uint16_t flags;
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uint8_t astatus;
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char dsbuf[256];
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int fd, error, i, nsuspect, in_progress, disabled, suspect;
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fd = mps_open(mps_unit);
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if (fd < 0) {
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error = errno;
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warn("mps_open");
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return (error);
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}
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sas0 = mps_read_extended_config_page(fd,
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MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT,
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MPI2_SASIOUNITPAGE0_PAGEVERSION, 0, 0, &IOCStatus);
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if (sas0 == NULL) {
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error = errno;
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warn("Error retrieving SAS IO Unit page 0: %s",
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mps_ioc_status(IOCStatus));
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close(fd);
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return (error);
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}
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nsuspect = 0;
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printf("%-4s%-5s%-11s%-9s%-6s%-10s%-10s%s\n",
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"Phy", "Port", "PortStatus", "Disabled", "Rate", "AttHandle",
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"CtlHandle", "DiscoveryStatus");
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for (i = 0; i < sas0->NumPhys; i++) {
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phy = &sas0->PhyData[i];
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ds = le32toh(phy->DiscoveryStatus);
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in_progress = (phy->PortFlags &
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MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS) != 0;
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disabled = (phy->PhyFlags &
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MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED) != 0;
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snprint_discovery_status(dsbuf, sizeof(dsbuf), ds);
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printf("%-4d%-5u%-11s%-9s%-6s0x%-8x0x%-8x%s%s\n",
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i, phy->Port, in_progress ? "InProgress" : "Idle",
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disabled ? "Y" : "N", get_device_speed(phy->NegotiatedLinkRate),
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le16toh(phy->AttachedDevHandle),
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le16toh(phy->ControllerDevHandle), dsbuf,
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(ds != 0 || in_progress) ? " <== SUSPECT" : "");
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if (ds != 0 || in_progress)
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nsuspect++;
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}
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printf("\n");
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printf("%-8s%-10s%-17s%-6s%-6s%-8s%s\n",
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"Handle", "Parent", "SAS Address", "Enc", "Slot", "Flags",
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"AccessStatus");
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handle = 0xffff;
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for (;;) {
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device = mps_read_extended_config_page(fd,
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MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE,
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MPI2_SASDEVICE0_PAGEVERSION, 0,
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MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE | handle,
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&IOCStatus);
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if (device == NULL) {
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if (IOCStatus == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
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break;
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error = errno;
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warn("Error retrieving device page: %s",
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mps_ioc_status(IOCStatus));
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free(sas0);
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close(fd);
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return (error);
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}
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handle = le16toh(device->DevHandle);
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flags = le16toh(device->Flags);
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astatus = device->AccessStatus;
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suspect = (astatus != MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS) ||
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(flags & MPI2_SAS_DEVICE0_FLAGS_UNSUPPORTED_DEVICE) ||
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!(flags & MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT);
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printf("0x%-6x0x%-8x%08x%08x %-6u%-6u0x%-6x%s%s\n",
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handle, le16toh(device->ParentDevHandle),
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le32toh(device->SASAddress.High),
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le32toh(device->SASAddress.Low),
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le16toh(device->EnclosureHandle), le16toh(device->Slot),
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flags, get_access_status(astatus),
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suspect ? " <== SUSPECT" : "");
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if (suspect)
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nsuspect++;
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free(device);
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}
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printf("\n");
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if (nsuspect != 0)
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printf("*** %d suspect PHY/device entries found ***\n", nsuspect);
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free(sas0);
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close(fd);
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return (0);
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}
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MPS_COMMAND(show, discovery, show_discovery, "",
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"Show firmware DiscoveryStatus/AccessStatus per PHY and device");
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static int
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show_enclosures(int ac, char **av)
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{
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@@ -51,6 +51,9 @@
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.Cm show devices
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.Nm
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.Op Fl u Ar unit
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.Cm show discovery
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.Nm
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.Op Fl u Ar unit
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.Cm show enclosures
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.Nm
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.Op Fl u Ar unit
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@@ -124,6 +127,17 @@ Displays a summary of all adapters.
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Displays all devices, expanders and enclosures.
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.It Cm show devices
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Displays all devices.
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.It Cm show discovery
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Displays the firmware DiscoveryStatus field for each PHY
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.Po Dq SAS IO Unit Page 0 Pc
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and the AccessStatus field for each device
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.Po Dq SAS Device Page 0 Pc .
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Entries with a nonzero DiscoveryStatus, a non-Ok AccessStatus, or a PHY
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still showing discovery in progress are marked
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.Dq SUSPECT .
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Useful for finding which PHY or device a firmware discovery stall was
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attributed to, since these fields aren't otherwise exposed and can remain
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set after the boot completes.
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.It Cm show expanders
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Displays all expanders.
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.It Cm show enclosures
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