linux-kernel - Re: [PATCH 12/13] rasdaemon: ras-mc-ctl: Update logging of CXL DRAM event data to align with CXL spec rev 3.1

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20241121153736.000001af@huawei.com>
Date: Thu, 21 Nov 2024 15:37:36 +0000
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: <shiju.jose@...wei.com>
CC: <linux-edac@...r.kernel.org>, <linux-cxl@...r.kernel.org>,
	<mchehab@...nel.org>, <dave.jiang@...el.com>, <dan.j.williams@...el.com>,
	<alison.schofield@...el.com>, <nifan.cxl@...il.com>,
	<vishal.l.verma@...el.com>, <ira.weiny@...el.com>, <dave@...olabs.net>,
	<linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>,
	<tanxiaofei@...wei.com>, <prime.zeng@...ilicon.com>
Subject: Re: [PATCH 12/13] rasdaemon: ras-mc-ctl: Update logging of CXL DRAM
 event data to align with CXL spec rev 3.1

On Wed, 20 Nov 2024 09:59:22 +0000
<shiju.jose@...wei.com> wrote:

> From: Shiju Jose <shiju.jose@...wei.com>
> 
> CXL spec 3.1 section 8.2.9.2.1.2 Table 8-46, DRAM Event Record has updated
> with following new fields and new types for Memory Event Type, Transaction
> Type and Validity Flags fields.
> 1. Component Identifier
> 2. Sub-channel
> 3. Advanced Programmable Corrected Memory Error Threshold Event Flags
> 4. Corrected Volatile Memory Error Count at Event
> 5. Memory Event Sub-Type
> 
> This update modifies ras-mc-ctl to parse and log CXL DRAM event data
> stored in the RAS SQLite database table, reflecting the specification
> changes introduced in revision 3.1.
> 
> Example output,
> 
> ./util/ras-mc-ctl --errors
> ...
> CXL DRAM events:
> 1 2024-11-20 00:18:53 +0000 error: memdev=mem0, host=0000:0f:00.0, serial=0x3, \
> log=Informational, hdr_uuid=00000000-0000-0000-0000-000000000000, \
> hdr_flags=0x1, , hdr_handle=0x1, hdr_related_handle=0x0, \
> hdr_timestamp=1970-01-01 00:00:58 +0000, hdr_length=128, hdr_maint_op_class=1, \
> hdr_maint_op_sub_class=3, dpa=0x18680, dpa_flags: , \
> descriptor_flags: 'UNCORRECTABLE EVENT' , 'THRESHOLD EVENT' , \
> memory event type: Data Path Error, memory event sub type: Media Link CRC Error, \
> transaction_type: Internal Media Scrub, channel=3, sub_channel=0, rank=17, \
> nibble_mask=3866802, bank_group=7, bank=11, row=2, column=77, \
> correction_mask:21 00 00 00 00 00 00 00 2c 00 00 00 00 00 00 00 37 00 00 \
> 00 00 00 00 00 42 00 00 00 00 00 00 00 hpa=0xffffffffffffffff, \
> region_uuid=00000000-0000-0000-0000-000000000000, \
> component_id:01 74 c5 08 9a 1a 0b fc d2 7e 2f 31 9b 3c 81 4d \
> pldm_entity_id:74 c5 08 9a 1a 0b pldm_resource_id:00 00 00 00 \
> cme_threshold_ev_flags: 'Corrected Memory Errors in Multiple Media Components' , \
> 'Exceeded Programmable Threshold' , cvme_count=0x94, 
> ...
> 
> Signed-off-by: Shiju Jose <shiju.jose@...wei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Changes as expected...