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Re: [PATCH v6 10/43] hw/cxl/device: Add log commands (8.2.9.4) + CEL
From: |
Alex Bennée |
Subject: |
Re: [PATCH v6 10/43] hw/cxl/device: Add log commands (8.2.9.4) + CEL |
Date: |
Tue, 01 Mar 2022 17:45:23 +0000 |
User-agent: |
mu4e 1.7.9; emacs 28.0.91 |
Jonathan Cameron <Jonathan.Cameron@huawei.com> writes:
> From: Ben Widawsky <ben.widawsky@intel.com>
>
> CXL specification provides for the ability to obtain logs from the
> device. Logs are either spec defined, like the "Command Effects Log"
> (CEL), or vendor specific. UUIDs are defined for all log types.
>
> The CEL is a mechanism to provide information to the host about which
> commands are supported. It is useful both to determine which spec'd
> optional commands are supported, as well as provide a list of vendor
> specified commands that might be used. The CEL is already created as
> part of mailbox initialization, but here it is now exported to hosts
> that use these log commands.
>
> Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
--
Alex Bennée
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