From: dave@stgolabs.net
To: Anisa Su <anisa.su887@gmail.com>
Cc: linux-cxl@vger.kernel.org, alison.schofield@intel.com,
jic23@kernel.org, dave.jiang@intel.com, gourry@gourry.net,
icheng@nvidia.com, ming.li@zohomail.com,
vishal.l.verma@intel.com, benjamin.cheatham@amd.com,
Ira Weiny <iweiny@kernel.org>, Anisa Su <anisa.su@samsung.com>,
Wonjae Lee <wj28.lee@samsung.com>,
Junhee Park <jh9934.park@samsung.com>,
Heesoo Kim <habil.kim@samsung.com>
Subject: Re: [RESEND PATCH v13 1/8] cxl/mbox: Flag support for Dynamic Capacity Devices (DCD)
Date: Tue, 08 Sep 2026 08:39:15 -0700 [thread overview]
Message-ID: <e0643b7d483cd09fcb03b74ea5eea7c4@stgolabs.net> (raw)
In-Reply-To: <20260908102124.2231730-3-anisa.su@samsung.com>
On 2026-09-08 03:15, Anisa Su wrote:
> From: Ira Weiny <iweiny@kernel.org>
>
> Per the CXL 4.0 specification software must check the Command Effects
> Log (CEL) for dynamic capacity command support.
>
> Detect support for the DCD commands while reading the CEL, including:
>
> Get DC Config
> Get DC Extent List
> Add DC Response
> Release DC
>
> Leave mds->dcd_supported false. Dynamic capacity is only usable once
> the driver can handle Add and Release Capacity events. Detect and log
> the capability here and let the commit which adds DCD event handling
> set
> the flag.
>
> Based on an original patch by Navneet Singh.
>
> Signed-off-by: Ira Weiny <iweiny@kernel.org>
> Signed-off-by: Anisa Su <anisa.su@samsung.com>
> Tested-by: Wonjae Lee <wj28.lee@samsung.com>
> Tested-by: Junhee Park <jh9934.park@samsung.com>
> Tested-by: Heesoo Kim <habil.kim@samsung.com>
> Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> Reviewed-by: Gregory Price (Meta) <gourry@gourry.net>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
next prev parent reply other threads:[~2026-09-08 15:46 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-08 10:15 [RESEND PATCH v13 0/8] DCD Prep Series Anisa Su
2026-09-08 10:15 ` [RESEND PATCH v13 1/8] cxl/mbox: Flag support for Dynamic Capacity Devices (DCD) Anisa Su
2026-09-08 15:39 ` dave [this message]
2026-09-08 18:45 ` Jonathan Cameron
2026-09-08 10:15 ` [RESEND PATCH v13 2/8] cxl/mem: Read dynamic capacity configuration from the device Anisa Su
2026-09-08 15:59 ` Davidlohr Bueso
2026-09-08 20:43 ` Jonathan Cameron
2026-09-10 23:56 ` Anisa Su
2026-09-11 0:53 ` Jonathan Cameron
2026-09-11 16:38 ` Anisa Su
2026-09-08 10:15 ` [RESEND PATCH v13 3/8] cxl/cdat: Gather DSMAS data for DCD partitions Anisa Su
2026-09-08 20:52 ` Jonathan Cameron
2026-09-11 0:02 ` Anisa Su
2026-09-11 0:56 ` Jonathan Cameron
2026-09-11 16:37 ` Anisa Su
2026-09-08 10:15 ` [RESEND PATCH v13 4/8] cxl/events: Split event msgnum configuration from irq setup Anisa Su
2026-09-08 16:37 ` Davidlohr Bueso
2026-09-08 10:15 ` [RESEND PATCH v13 5/8] cxl/pci: Factor out interrupt policy check Anisa Su
2026-09-08 17:17 ` Davidlohr Bueso
2026-09-08 10:15 ` [RESEND PATCH v13 6/8] cxl/mem: Configure dynamic capacity interrupts Anisa Su
2026-09-08 10:43 ` sashiko-bot
2026-09-11 21:10 ` Anisa Su
2026-09-12 0:09 ` Gregory Price
2026-09-08 22:14 ` Jonathan Cameron
2026-09-11 18:21 ` Anisa Su
2026-09-08 10:15 ` [RESEND PATCH v13 7/8] cxl/core: Enforce partition order/simplify partition calls Anisa Su
2026-09-08 10:15 ` [RESEND PATCH v13 8/8] Documentation/cxl: Document DPA partition layout and ordering rules Anisa Su
2026-09-08 22:17 ` Jonathan Cameron
2026-09-11 20:39 ` Anisa Su
2026-09-09 15:19 ` Davidlohr Bueso
2026-09-11 20:38 ` Anisa Su
2026-09-11 20:50 ` Davidlohr Bueso
2026-09-12 0:20 ` Gregory Price
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