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From: Dan Williams <dan.j.williams@intel.com>
To: Lukas Wunner <lukas@wunner.de>,
	Bjorn Helgaas <helgaas@kernel.org>, <linux-pci@vger.kernel.org>
Cc: Gregory Price <gregory.price@memverge.com>,
	Ira Weiny <ira.weiny@intel.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	"Dan Williams" <dan.j.williams@intel.com>,
	Alison Schofield <alison.schofield@intel.com>,
	Vishal Verma <vishal.l.verma@intel.com>,
	"Dave Jiang" <dave.jiang@intel.com>,
	"Li, Ming" <ming4.li@intel.com>, Hillf Danton <hdanton@sina.com>,
	Ben Widawsky <bwidawsk@kernel.org>, <linuxarm@huawei.com>,
	<linux-cxl@vger.kernel.org>
Subject: RE: [PATCH v2 03/10] PCI/DOE: Provide synchronous API and use it internally
Date: Fri, 10 Feb 2023 15:57:34 -0800	[thread overview]
Message-ID: <63e6d9ee1897d_1e494329471@dwillia2-xfh.jf.intel.com.notmuch> (raw)
In-Reply-To: <b589059ddc82039f00d695d75ac4017504df6bf6.1674468099.git.lukas@wunner.de>

Lukas Wunner wrote:
> The DOE API only allows asynchronous exchanges and forces callers to
> provide a completion callback.  Yet all existing callers only perform
> synchronous exchanges.  Upcoming commits for CMA (Component Measurement
> and Authentication, PCIe r6.0 sec 6.31) likewise require only
> synchronous DOE exchanges.
> 
> Provide a synchronous pci_doe() API call which builds on the internal
> asynchronous machinery.
> 
> Convert the internal pci_doe_discovery() to the new call.
> 
> The new API allows submission of const-declared requests, necessitating
> the addition of a const qualifier in struct pci_doe_task.
> 
> Tested-by: Ira Weiny <ira.weiny@intel.com>
> Signed-off-by: Lukas Wunner <lukas@wunner.de>
> Cc: Dan Williams <dan.j.williams@intel.com>
> Cc: Jonathan Cameron <Jonathan.Cameron@Huawei.com>

While I do wish there was a way to avoid a 7-argument function I can't
think of a better way to do this that does not run afoul of the previous
problems with this interface.

Reviewed-by: Dan Williams <dan.j.williams@intel.com>

  parent reply	other threads:[~2023-02-10 23:57 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-23 10:10 [PATCH v2 00/10] Collection of DOE material Lukas Wunner
2023-01-23 10:11 ` [PATCH v2 01/10] PCI/DOE: Silence WARN splat with CONFIG_DEBUG_OBJECTS=y Lukas Wunner
2023-01-24  0:33   ` Ira Weiny
2023-01-24 10:32     ` Jonathan Cameron
2023-01-25 21:05       ` Lukas Wunner
2023-01-24 16:18   ` Gregory Price
2023-02-10 23:50   ` Dan Williams
2023-01-23 10:12 ` [PATCH v2 02/10] PCI/DOE: Fix memory leak " Lukas Wunner
2023-01-24  0:35   ` Ira Weiny
2023-01-24 10:33     ` Jonathan Cameron
2023-02-10 23:52   ` Dan Williams
2023-01-23 10:13 ` [PATCH v2 03/10] PCI/DOE: Provide synchronous API and use it internally Lukas Wunner
2023-01-24  0:48   ` Ira Weiny
2023-01-24 10:40   ` Jonathan Cameron
2023-01-24 20:07     ` Ira Weiny
2023-02-10 23:57   ` Dan Williams [this message]
2023-01-23 10:14 ` [PATCH v2 04/10] cxl/pci: Use synchronous API for DOE Lukas Wunner
2023-01-24  0:52   ` Ira Weiny
2023-02-03  8:53     ` Li, Ming
2023-02-03  8:56       ` Li, Ming
2023-02-03  9:54       ` Lukas Wunner
2023-01-24 11:01   ` Jonathan Cameron
2023-02-10 22:17     ` Lukas Wunner
2023-01-23 10:15 ` [PATCH v2 05/10] PCI/DOE: Make asynchronous API private Lukas Wunner
2023-01-24  0:55   ` Ira Weiny
2023-01-24 11:03   ` Jonathan Cameron
2023-01-23 10:16 ` [PATCH v2 06/10] PCI/DOE: Allow mailbox creation without devres management Lukas Wunner
2023-01-24 12:15   ` Jonathan Cameron
2023-01-24 12:18     ` Jonathan Cameron
2023-02-03  9:06     ` Li, Ming
2023-02-03  9:09       ` Li, Ming
2023-02-03 10:08       ` Lukas Wunner
2023-02-10 22:03     ` Lukas Wunner
2023-01-23 10:17 ` [PATCH v2 07/10] PCI/DOE: Create mailboxes on device enumeration Lukas Wunner
2023-01-24  1:14   ` Ira Weiny
2023-01-24 12:21   ` Jonathan Cameron
2023-01-23 10:18 ` [PATCH v2 08/10] cxl/pci: Use CDAT DOE mailbox created by PCI core Lukas Wunner
2023-01-24  1:18   ` Ira Weiny
2023-01-24 12:25   ` Jonathan Cameron
2023-01-23 10:19 ` [PATCH v2 09/10] PCI/DOE: Make mailbox creation API private Lukas Wunner
2023-01-24  1:25   ` Ira Weiny
2023-01-24 12:26   ` Jonathan Cameron
2023-01-23 10:20 ` [PATCH v2 10/10] PCI/DOE: Relax restrictions on request and response size Lukas Wunner
2023-01-23 22:29   ` Bjorn Helgaas
2023-01-24  1:43   ` Ira Weiny
2023-02-10 21:47     ` Lukas Wunner
2023-01-24 12:43   ` Jonathan Cameron
2023-01-24 23:51     ` Bjorn Helgaas
2023-01-25  9:47       ` Jonathan Cameron
2023-02-10 22:10       ` Lukas Wunner
2023-01-23 22:30 ` [PATCH v2 00/10] Collection of DOE material Bjorn Helgaas
2023-02-10 21:39   ` Lukas Wunner
2023-02-11  0:04     ` Dan Williams

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