From: Ira Weiny <ira.weiny@intel.com>
To: <alison.schofield@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Ira Weiny <ira.weiny@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Ben Widawsky <bwidawsk@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>
Cc: Alison Schofield <alison.schofield@intel.com>,
<linux-cxl@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: Re: [PATCH v8 1/6] cxl/mbox: Add GET_POISON_LIST mailbox command
Date: Mon, 13 Mar 2023 15:45:20 -0700 [thread overview]
Message-ID: <640fa7801ec54_22c07f29470@iweiny-mobl.notmuch> (raw)
In-Reply-To: <5edd09350fef0030aa18ab232ac8cdd82e0eb5b0.1678468593.git.alison.schofield@intel.com>
alison.schofield@ wrote:
> From: Alison Schofield <alison.schofield@intel.com>
>
> CXL devices maintain a list of locations that are poisoned or result
> in poison if the addresses are accessed by the host.
>
> Per the spec (CXL 3.0 8.2.9.8.4.1), the device returns this Poison
> list as a set of Media Error Records that include the source of the
> error, the starting device physical address and length. The length is
> the number of adjacent DPAs in the record and is in units of 64 bytes.
>
> Retrieve the poison list.
>
> Signed-off-by: Alison Schofield <alison.schofield@intel.com>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
next prev parent reply other threads:[~2023-03-13 22:47 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-10 17:54 [PATCH v8 0/6] CXL Poison List Retrieval & Tracing alison.schofield
2023-03-10 17:54 ` [PATCH v8 1/6] cxl/mbox: Add GET_POISON_LIST mailbox command alison.schofield
2023-03-13 22:45 ` Ira Weiny [this message]
2023-03-10 17:54 ` [PATCH v8 2/6] cxl/trace: Add TRACE support for CXL media-error records alison.schofield
2023-03-13 22:47 ` Ira Weiny
2023-03-14 0:21 ` Alison Schofield
2023-03-10 17:54 ` [PATCH v8 3/6] cxl/memdev: Add trigger_poison_list sysfs attribute alison.schofield
2023-03-13 22:53 ` Ira Weiny
2023-03-10 17:54 ` [PATCH v8 4/6] cxl/region: Provide region info to the cxl_poison trace event alison.schofield
2023-03-13 22:44 ` Ira Weiny
2023-03-14 0:35 ` Alison Schofield
2023-03-13 22:51 ` Ira Weiny
2023-03-14 1:39 ` Alison Schofield
2023-03-10 17:54 ` [PATCH v8 5/6] cxl/trace: Add an HPA to cxl_poison trace events alison.schofield
2023-03-13 22:56 ` Ira Weiny
2023-03-10 17:54 ` [PATCH v8 6/6] tools/testing/cxl: Mock support for Get Poison List alison.schofield
2023-03-13 22:58 ` Ira Weiny
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