From: Baolu Lu <baolu.lu@linux.intel.com>
To: iommu@lists.linux.dev, dmaengine@vger.kernel.org
Cc: baolu.lu@linux.intel.com, Joerg Roedel <joro@8bytes.org>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Kevin Tian <kevin.tian@intel.com>,
Fenghua Yu <fenghua.yu@intel.com>,
Dave Jiang <dave.jiang@intel.com>, Vinod Koul <vkoul@kernel.org>,
Jacob Pan <jacob.jun.pan@linux.intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 0/5] Refactor code for non-PRI IOPF
Date: Thu, 9 Mar 2023 11:01:52 +0800 [thread overview]
Message-ID: <3e3809e7-6603-3fd9-69b6-8ab114fff24b@linux.intel.com> (raw)
In-Reply-To: <20230309025639.26109-1-baolu.lu@linux.intel.com>
On 3/9/23 10:56 AM, Lu Baolu wrote:
> The existing SVA and IOPF implementation assumes that devices report I/O
> page faults via PCI PRI. This is not always true as some emerging
> devices are designed to handle the I/O page faults by themselves without
> ever sending PCI page requests nor advertising PRI capability.
>
> Refactor the SVA and IOPF code to allow SVA support with IOPF handled
> either by IOMMU (PCI PRI) or device driver (device-specific IOPF).
>
> This series is based on v6.3-rc1 and also available at github:
> https://github.com/LuBaolu/intel-iommu/commits/intel-iommu-refactor-iopf-v2
This is iommu/vt-d specific. I should make it explicit in the
cover-letter title.
iommu/vt-d: Refactor code for non-PRI IOPF
Sorry about it.
Best regards,
baolu
prev parent reply other threads:[~2023-03-09 3:03 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-09 2:56 [PATCH v2 0/5] Refactor code for non-PRI IOPF Lu Baolu
2023-03-09 2:56 ` [PATCH v2 1/5] dmaengine: idxd: Add enable/disable device IOPF feature Lu Baolu
2023-03-09 3:51 ` Fenghua Yu
2023-03-16 7:08 ` Tian, Kevin
2023-03-09 2:56 ` [PATCH v2 2/5] iommu/vt-d: Allow SVA with device-specific IOPF Lu Baolu
2023-03-16 7:09 ` Tian, Kevin
2023-03-16 7:31 ` Baolu Lu
2023-03-20 16:00 ` Jacob Pan
2023-03-21 5:43 ` Baolu Lu
2023-03-09 2:56 ` [PATCH v2 3/5] iommu/vt-d: Move iopf code from SVA to IOPF enabling path Lu Baolu
2023-03-16 7:10 ` Tian, Kevin
2023-03-09 2:56 ` [PATCH v2 4/5] iommu/vt-d: Move pfsid and ats_qdep calculation to device probe path Lu Baolu
2023-03-16 7:10 ` Tian, Kevin
2023-03-20 16:11 ` Jacob Pan
2023-03-09 2:56 ` [PATCH v2 5/5] iommu/vt-d: Move PRI handling to IOPF feature path Lu Baolu
2023-03-16 7:17 ` Tian, Kevin
2023-03-16 8:17 ` Baolu Lu
2023-03-17 0:06 ` Tian, Kevin
2023-03-17 0:47 ` Baolu Lu
2023-03-20 16:28 ` Jacob Pan
2023-03-09 3:01 ` Baolu Lu [this message]
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