On Thu, Sep 29, 2022 at 04:43:21PM +0700, Quan Nguyen wrote: > diff --git a/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro b/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro > new file mode 100644 > index 000000000000..d8f82a06570d > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro > @@ -0,0 +1,125 @@ > +What: /sys/bus/platform/devices/smpro-errmon.*/error_[core|mem|pcie|other]_[ce|ue] > +KernelVersion: 5.18 > +Contact: quan@xxxxxxxxxxxxxxxxxxxxxx > +Description: > + (RO) Contains the 48-byte Ampere (Vendor-Specific) Error Record printed > + in hex format. > + > + The detail of each sysfs entries is as below: > + +-------------+---------------------------------------------------------+ > + | Error | Sysfs entry | > + +-------------+---------------------------------------------------------+ > + | Core's CE | /sys/bus/platform/devices/smpro-errmon.*/error_core_ce | > + | Core's UE | /sys/bus/platform/devices/smpro-errmon.*/error_core_ue | > + | Memory's CE | /sys/bus/platform/devices/smpro-errmon.*/error_mem_ce | > + | Memory's UE | /sys/bus/platform/devices/smpro-errmon.*/error_mem_ue | > + | PCIe's CE | /sys/bus/platform/devices/smpro-errmon.*/error_pcie_ce | > + | PCIe's UE | /sys/bus/platform/devices/smpro-errmon.*/error_pcie_ue | > + | Other's CE | /sys/bus/platform/devices/smpro-errmon.*/error_other_ce| > + | Other's UE | /sys/bus/platform/devices/smpro-errmon.*/error_other_ue| > + +-------------+---------------------------------------------------------+ > + UE: Uncorrect-able Error > + CE: Correct-able Error > + > + See section 3.3 Ampere (Vendor-Specific) Error Record Formats, > + Altra Family RAS Supplement. > + > + > +What: /sys/bus/platform/devices/smpro-errmon.*/overflow_[core|mem|pcie|other]_[ce|ue] > +KernelVersion: 5.18 > +Contact: quan@xxxxxxxxxxxxxxxxxxxxxx > +Description: > + (RO) Return the overflow status of each type HW error reported: > + 0 : No overflow > + 1 : There is an overflow and the oldest HW errors are dropped > + > + The detail of each sysfs entries is as below: > + +-------------+-----------------------------------------------------------+ > + | Overflow | Sysfs entry | > + +-------------+-----------------------------------------------------------+ > + | Core's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_core_ce | > + | Core's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_core_ue | > + | Memory's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_mem_ce | > + | Memory's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_mem_ue | > + | PCIe's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_pcie_ce | > + | PCIe's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_pcie_ue | > + | Other's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_other_ce| > + | Other's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_other_ue| > + +-------------+-----------------------------------------------------------+ > + UE: Uncorrect-able Error > + CE: Correct-able Error > + > +What: /sys/bus/platform/devices/smpro-errmon.*/[error|warn]_[smpro|pmpro] > +KernelVersion: 5.18 > +Contact: quan@xxxxxxxxxxxxxxxxxxxxxx > +Description: > + (RO) Contains the internal firmware error/warning printed as hex format. > + > + The detail of each sysfs entries is as below: > + +---------------+------------------------------------------------------+ > + | Error | Sysfs entry | > + +---------------+------------------------------------------------------+ > + | SMpro error | /sys/bus/platform/devices/smpro-errmon.*/error_smpro | > + | SMpro warning | /sys/bus/platform/devices/smpro-errmon.*/warn_smpro | > + | PMpro error | /sys/bus/platform/devices/smpro-errmon.*/error_pmpro | > + | PMpro warning | /sys/bus/platform/devices/smpro-errmon.*/warn_pmpro | > + +---------------+------------------------------------------------------+ > + See more details in section 5.10 RAS Internal Error Register Definitions, > + Altra Family Soc BMC Interface Specification. > + > +What: /sys/bus/platform/devices/smpro-errmon.*/event_[vrd_warn_fault|vrd_hot|dimm_hot] > +KernelVersion: 5.18 > +Contact: quan@xxxxxxxxxxxxxxxxxxxxxx > +Description: > + (RO) Contains the detail information in case of VRD/DIMM warning/hot events > + in hex format as below: > + > + AAAA > + Where: > + AAAA: The event detail information data > + > + See more details in section 5.7 GPI Status Registers, > + Altra Family Soc BMC Interface Specification. > + > + > +What: /sys/bus/platform/devices/smpro-misc.*/boot_progress > +KernelVersion: 5.18 > +Contact: quan@xxxxxxxxxxxxxxxxxxxxxx > +Description: > + (RO) Contains the boot stages information in hex as format below: > + > + AABBCCCCCCCC > + Where: > + AA : The boot stages > + 00: SMpro firmware booting > + 01: PMpro firmware booting > + 02: ATF BL1 firmware booting > + 03: DDR initialization > + 04: DDR training report status > + 05: ATF BL2 firmware booting > + 06: ATF BL31 firmware booting > + 07: ATF BL32 firmware booting > + 08: UEFI firmware booting > + 09: OS booting > + BB : Boot status > + 00: Not started > + 01: Started > + 02: Completed without error > + 03: Failed. > + CCCCCCCC: Boot status information defined for each boot stages > + > + See more details in section 5.11 Boot Stage Register Definitions, > + and section 6. Processor Boot Progress Codes, Altra Family Soc BMC > + Interface Specification. > + > + > +What: /sys/bus/platform/devices/smpro-misc*/soc_power_limit > +KernelVersion: 5.18 > +Contact: quan@xxxxxxxxxxxxxxxxxxxxxx > +Description: > + (RW) Contains the desired SoC power limit in Watt. > + Writes to this sysfs set the desired SoC power limit (W). > + Reads from this register return the current SoC power limit (W). > + The value ranges: > + Minimum: 120 W > + Maximum: Socket TDP power The documentation above produces htmldocs warnings: Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro:71: WARNING: Unexpected indentation. Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro:117: WARNING: Unexpected indentation. Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro:86: WARNING: Unexpected indentation. Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro:86: WARNING: Definition list ends without a blank line; unexpected unindent. I have applied the fixup (with fixes to technical references): ---- >8 ---- diff --git a/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro b/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro index d8f82a06570d88..39cf222fb6510a 100644 --- a/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro +++ b/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro @@ -6,23 +6,32 @@ Description: in hex format. The detail of each sysfs entries is as below: + +-------------+---------------------------------------------------------+ | Error | Sysfs entry | +-------------+---------------------------------------------------------+ - | Core's CE | /sys/bus/platform/devices/smpro-errmon.*/error_core_ce | - | Core's UE | /sys/bus/platform/devices/smpro-errmon.*/error_core_ue | - | Memory's CE | /sys/bus/platform/devices/smpro-errmon.*/error_mem_ce | - | Memory's UE | /sys/bus/platform/devices/smpro-errmon.*/error_mem_ue | - | PCIe's CE | /sys/bus/platform/devices/smpro-errmon.*/error_pcie_ce | - | PCIe's UE | /sys/bus/platform/devices/smpro-errmon.*/error_pcie_ue | - | Other's CE | /sys/bus/platform/devices/smpro-errmon.*/error_other_ce| - | Other's UE | /sys/bus/platform/devices/smpro-errmon.*/error_other_ue| + | Core's CE | /sys/bus/platform/devices/smpro-errmon.*/error_core_ce | +-------------+---------------------------------------------------------+ + | Core's UE | /sys/bus/platform/devices/smpro-errmon.*/error_core_ue | + +-------------+---------------------------------------------------------+ + | Memory's CE | /sys/bus/platform/devices/smpro-errmon.*/error_mem_ce | + +-------------+---------------------------------------------------------+ + | Memory's UE | /sys/bus/platform/devices/smpro-errmon.*/error_mem_ue | + +-------------+---------------------------------------------------------+ + | PCIe's CE | /sys/bus/platform/devices/smpro-errmon.*/error_pcie_ce | + +-------------+---------------------------------------------------------+ + | PCIe's UE | /sys/bus/platform/devices/smpro-errmon.*/error_pcie_ue | + +-------------+---------------------------------------------------------+ + | Other's CE | /sys/bus/platform/devices/smpro-errmon.*/error_other_ce | + +-------------+---------------------------------------------------------+ + | Other's UE | /sys/bus/platform/devices/smpro-errmon.*/error_other_ue | + +-------------+---------------------------------------------------------+ + UE: Uncorrect-able Error CE: Correct-able Error - See section 3.3 Ampere (Vendor-Specific) Error Record Formats, - Altra Family RAS Supplement. + For details, see section `3.3 Ampere (Vendor-Specific) Error Record Formats, + Altra Family RAS Supplement`. What: /sys/bus/platform/devices/smpro-errmon.*/overflow_[core|mem|pcie|other]_[ce|ue] @@ -30,24 +39,36 @@ KernelVersion: 5.18 Contact: quan@xxxxxxxxxxxxxxxxxxxxxx Description: (RO) Return the overflow status of each type HW error reported: - 0 : No overflow - 1 : There is an overflow and the oldest HW errors are dropped + + - 0 : No overflow + - 1 : There is an overflow and the oldest HW errors are dropped The detail of each sysfs entries is as below: + +-------------+-----------------------------------------------------------+ | Overflow | Sysfs entry | +-------------+-----------------------------------------------------------+ | Core's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_core_ce | + +-------------+-----------------------------------------------------------+ | Core's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_core_ue | + +-------------+-----------------------------------------------------------+ | Memory's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_mem_ce | + +-------------+-----------------------------------------------------------+ | Memory's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_mem_ue | + +-------------+-----------------------------------------------------------+ | PCIe's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_pcie_ce | + +-------------+-----------------------------------------------------------+ | PCIe's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_pcie_ue | + +-------------+-----------------------------------------------------------+ | Other's CE | /sys/bus/platform/devices/smpro-errmon.*/overflow_other_ce| + +-------------+-----------------------------------------------------------+ | Other's UE | /sys/bus/platform/devices/smpro-errmon.*/overflow_other_ue| +-------------+-----------------------------------------------------------+ - UE: Uncorrect-able Error - CE: Correct-able Error + + where: + + - UE: Uncorrect-able Error + - CE: Correct-able Error What: /sys/bus/platform/devices/smpro-errmon.*/[error|warn]_[smpro|pmpro] KernelVersion: 5.18 @@ -56,61 +77,74 @@ Description: (RO) Contains the internal firmware error/warning printed as hex format. The detail of each sysfs entries is as below: + +---------------+------------------------------------------------------+ | Error | Sysfs entry | +---------------+------------------------------------------------------+ | SMpro error | /sys/bus/platform/devices/smpro-errmon.*/error_smpro | + +---------------+------------------------------------------------------+ | SMpro warning | /sys/bus/platform/devices/smpro-errmon.*/warn_smpro | + +---------------+------------------------------------------------------+ | PMpro error | /sys/bus/platform/devices/smpro-errmon.*/error_pmpro | + +---------------+------------------------------------------------------+ | PMpro warning | /sys/bus/platform/devices/smpro-errmon.*/warn_pmpro | +---------------+------------------------------------------------------+ - See more details in section 5.10 RAS Internal Error Register Definitions, - Altra Family Soc BMC Interface Specification. + + For details, see section `5.10 RAS Internal Error Register Definitions, + Altra Family Soc BMC Interface Specification`. What: /sys/bus/platform/devices/smpro-errmon.*/event_[vrd_warn_fault|vrd_hot|dimm_hot] KernelVersion: 5.18 Contact: quan@xxxxxxxxxxxxxxxxxxxxxx Description: (RO) Contains the detail information in case of VRD/DIMM warning/hot events - in hex format as below: + in hex format as below:: - AAAA - Where: - AAAA: The event detail information data + AAAA - See more details in section 5.7 GPI Status Registers, - Altra Family Soc BMC Interface Specification. + where: + + - ``AAAA``: The event detail information data + + For more details, see section `5.7 GPI Status Registers, + Altra Family Soc BMC Interface Specification`. What: /sys/bus/platform/devices/smpro-misc.*/boot_progress KernelVersion: 5.18 Contact: quan@xxxxxxxxxxxxxxxxxxxxxx Description: - (RO) Contains the boot stages information in hex as format below: + (RO) Contains the boot stages information in hex as format below:: - AABBCCCCCCCC - Where: - AA : The boot stages - 00: SMpro firmware booting - 01: PMpro firmware booting - 02: ATF BL1 firmware booting - 03: DDR initialization - 04: DDR training report status - 05: ATF BL2 firmware booting - 06: ATF BL31 firmware booting - 07: ATF BL32 firmware booting - 08: UEFI firmware booting - 09: OS booting - BB : Boot status - 00: Not started - 01: Started - 02: Completed without error - 03: Failed. - CCCCCCCC: Boot status information defined for each boot stages + AABBCCCCCCCC - See more details in section 5.11 Boot Stage Register Definitions, - and section 6. Processor Boot Progress Codes, Altra Family Soc BMC - Interface Specification. + where: + + - ``AA`` : The boot stages + + - 00: SMpro firmware booting + - 01: PMpro firmware booting + - 02: ATF BL1 firmware booting + - 03: DDR initialization + - 04: DDR training report status + - 05: ATF BL2 firmware booting + - 06: ATF BL31 firmware booting + - 07: ATF BL32 firmware booting + - 08: UEFI firmware booting + - 09: OS booting + + - ``BB`` : Boot status + + - 00: Not started + - 01: Started + - 02: Completed without error + - 03: Failed. + + - ``CCCCCCCC``: Boot status information defined for each boot stages + + For details, see section `5.11 Boot Stage Register Definitions` + and section `6. Processor Boot Progress Codes, Altra Family Soc BMC + Interface Specification`. What: /sys/bus/platform/devices/smpro-misc*/soc_power_limit @@ -121,5 +155,6 @@ Description: Writes to this sysfs set the desired SoC power limit (W). Reads from this register return the current SoC power limit (W). The value ranges: - Minimum: 120 W - Maximum: Socket TDP power + + - Minimum: 120 W + - Maximum: Socket TDP power Thanks. -- An old man doll... just what I always wanted! - Clara
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