From: Alison Schofield <alison.schofield@intel.com>
To: Davidlohr Bueso <dave@stgolabs.net>
Cc: <dave.jiang@intel.com>, <jic23@kernel.org>, <icheng@nvidia.com>,
<ming.li@zohomail.com>, <benjamin.cheatham@amd.com>,
<alucerop@amd.com>, <linux-cxl@vger.kernel.org>,
Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
Subject: Re: [PATCH v9 03/10] cxl/hdm: Add BI coherency support for endpoint decoders
Date: Wed, 30 Sep 2026 16:11:56 -0700 [thread overview]
Message-ID: <ar2XPKLCs92qUvmM@aschofie-mobl2.lan> (raw)
In-Reply-To: <ebc907df26d229138fb46051e5b9f4a2299b6432.1790103847.git.dave@stgolabs.net>
On Tue, Sep 22, 2026 at 04:38:40PM -0700, Davidlohr Bueso wrote:
> Cache the HDM decoder's Supported Coherency Models on struct cxl_hdm.
> A later patch has region attach consult it to verify the HDM supports
> the region's coherency type.
>
> For uncommitted endpoint decoders, init_hdm_decoder() defaults
> target_type from supported_coherency: Type 3 devices default to
> HDM-DB when the HDM is device-coherent-only, HDM-H otherwise.
>
> Pre-committed decoders with the BI bit set are refused. cxl_bi_setup()
> does not yet take over a path firmware already enabled, so nothing
> verifies that such a decoder's topology can route BISnp.
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
next prev parent reply other threads:[~2026-09-30 23:12 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-22 23:38 [PATCH v9 0/10] cxl: Support Back-Invalidate Davidlohr Bueso
2026-09-22 23:38 ` [PATCH v9 01/10] cxl: Add BI register probing and port initialization Davidlohr Bueso
2026-09-29 4:06 ` Richard Cheng
2026-09-22 23:38 ` [PATCH v9 02/10] cxl/pci: Add BI topology enable/disable Davidlohr Bueso
2026-09-23 1:12 ` sashiko-bot
2026-09-23 17:00 ` Davidlohr Bueso
2026-09-23 5:41 ` Li Ming
2026-09-25 23:32 ` Jonathan Cameron
2026-09-29 8:52 ` Richard Cheng
2026-10-13 14:34 ` Davidlohr Bueso
2026-09-30 23:01 ` Alison Schofield
2026-09-22 23:38 ` [PATCH v9 03/10] cxl/hdm: Add BI coherency support for endpoint decoders Davidlohr Bueso
2026-09-23 6:06 ` Li Ming
2026-09-30 23:11 ` Alison Schofield [this message]
2026-09-22 23:38 ` [PATCH v9 04/10] cxl: Add HDM-DB region creation Davidlohr Bueso
2026-10-01 3:28 ` Alison Schofield
2026-10-01 8:57 ` Davidlohr Bueso
2026-09-22 23:38 ` [PATCH v9 05/10] cxl/hdm: Rename decoder coherency flags Davidlohr Bueso
2026-09-24 0:49 ` Li Ming
2026-09-22 23:38 ` [PATCH v9 06/10] cxl/region: Log the coherency model at region creation Davidlohr Bueso
2026-09-24 0:49 ` Li Ming
2026-09-30 23:10 ` Alison Schofield
2026-09-22 23:38 ` [PATCH v9 07/10] cxl/pci: Split BI capability probe from setup Davidlohr Bueso
2026-09-24 0:49 ` Li Ming
2026-09-30 23:09 ` Alison Schofield
2026-09-22 23:38 ` [PATCH v9 08/10] cxl: Allow auto-committed BI hdm decoders Davidlohr Bueso
2026-10-01 3:49 ` Alison Schofield
2026-09-22 23:38 ` [PATCH v9 09/10] cxl/test: Add mock BI topology support Davidlohr Bueso
2026-09-23 1:11 ` sashiko-bot
2026-09-23 20:57 ` Davidlohr Bueso
2026-09-23 0:43 ` [PATCH v9 10/10] cxl/doc: Update maturity map with BI support Davidlohr Bueso
2026-09-24 0:50 ` Li Ming
2026-09-30 23:08 ` Alison Schofield
2026-09-30 16:47 ` [PATCH v9 0/10] cxl: Support Back-Invalidate Alison Schofield
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ar2XPKLCs92qUvmM@aschofie-mobl2.lan \
--to=alison.schofield@intel.com \
--cc=alucerop@amd.com \
--cc=benjamin.cheatham@amd.com \
--cc=dave.jiang@intel.com \
--cc=dave@stgolabs.net \
--cc=icheng@nvidia.com \
--cc=jic23@kernel.org \
--cc=jonathan.cameron@oss.qualcomm.com \
--cc=linux-cxl@vger.kernel.org \
--cc=ming.li@zohomail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.