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Thu, 7 Jul 2022 10:05:00 -0700 Date: Thu, 7 Jul 2022 10:04:58 -0700 From: Nicolin Chen To: "Tian, Kevin" CC: "kwankhede@nvidia.com" , "corbet@lwn.net" , "hca@linux.ibm.com" , "gor@linux.ibm.com" , "agordeev@linux.ibm.com" , "borntraeger@linux.ibm.com" , "svens@linux.ibm.com" , "zhenyuw@linux.intel.com" , "Wang, Zhi A" , "jani.nikula@linux.intel.com" , "joonas.lahtinen@linux.intel.com" , "Vivi, Rodrigo" , "tvrtko.ursulin@linux.intel.com" , "airlied@linux.ie" , "daniel@ffwll.ch" , "farman@linux.ibm.com" , "mjrosato@linux.ibm.com" , "pasic@linux.ibm.com" , "vneethv@linux.ibm.com" , "oberpar@linux.ibm.com" , "freude@linux.ibm.com" , "akrowiak@linux.ibm.com" , "jjherne@linux.ibm.com" , "alex.williamson@redhat.com" , "cohuck@redhat.com" , "jgg@nvidia.com" , "hch@infradead.org" , "linux-s390@vger.kernel.org" , "kvm@vger.kernel.org" , "linux-doc@vger.kernel.org" , "intel-gfx@lists.freedesktop.org" , "jchrist@linux.ibm.com" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "intel-gvt-dev@lists.freedesktop.org" Subject: Re: [RFT][PATCH v2 4/9] vfio: Pass in starting IOVA to vfio_pin/unpin_pages API Message-ID: References: <20220706062759.24946-1-nicolinc@nvidia.com> <20220706062759.24946-5-nicolinc@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jul 2022 17:05:02.6961 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 90c632d3-b3bc-4859-c623-08da603ad545 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.238];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT014.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR12MB1812 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 07, 2022 at 08:46:12AM +0000, Tian, Kevin wrote: > External email: Use caution opening links or attachments > > > > From: Nicolin Chen > > Sent: Wednesday, July 6, 2022 2:28 PM > > /* > > - * Pin a set of guest PFNs and return their associated host PFNs for local > > + * Pin contiguous guest pages and return their associated host pages for > > local > > can we replace 'guest' with 'user'? > > > * domain only. > > * @device [in] : device > > - * @user_pfn [in]: array of user/guest PFNs to be pinned. > > - * @npage [in] : count of elements in user_pfn array. This count should > > not > > + * @iova [in] : starting IOVA of user/guest pages to be pinned. > > remove 'guest'. > > > + * @npage [in] : count of pages to be pinned. This count should not > > * be greater VFIO_PIN_PAGES_MAX_ENTRIES. > > greater 'than' ... Will update them in v3. 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Thu, 7 Jul 2022 10:05:00 -0700 Date: Thu, 7 Jul 2022 10:04:58 -0700 From: Nicolin Chen To: "Tian, Kevin" Subject: Re: [RFT][PATCH v2 4/9] vfio: Pass in starting IOVA to vfio_pin/unpin_pages API Message-ID: References: <20220706062759.24946-1-nicolinc@nvidia.com> <20220706062759.24946-5-nicolinc@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 90c632d3-b3bc-4859-c623-08da603ad545 X-MS-TrafficTypeDiagnostic: BN6PR12MB1812:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.238; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:InfoNoRecords; CAT:NONE; SFS:(13230016)(4636009)(396003)(346002)(376002)(39860400002)(136003)(36840700001)(40470700004)(46966006)(41300700001)(40480700001)(54906003)(36860700001)(82310400005)(7416002)(316002)(2906002)(33716001)(55016003)(4326008)(6862004)(70206006)(478600001)(86362001)(82740400003)(5660300002)(83380400001)(426003)(186003)(8676002)(70586007)(336012)(47076005)(26005)(356005)(8936002)(4744005)(81166007)(40460700003)(7406005)(9686003)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jul 2022 17:05:02.6961 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 90c632d3-b3bc-4859-c623-08da603ad545 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.238]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT014.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR12MB1812 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "mjrosato@linux.ibm.com" , "linux-doc@vger.kernel.org" , "airlied@linux.ie" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "kwankhede@nvidia.com" , "vneethv@linux.ibm.com" , "agordeev@linux.ibm.com" , "hch@infradead.org" , "kvm@vger.kernel.org" , "corbet@lwn.net" , "pasic@linux.ibm.com" , "jgg@nvidia.com" , "borntraeger@linux.ibm.com" , "intel-gfx@lists.freedesktop.org" , "Wang, Zhi A" , "jjherne@linux.ibm.com" , "farman@linux.ibm.com" , "jchrist@linux.ibm.com" , "gor@linux.ibm.com" , "linux-s390@vger.kernel.org" , "hca@linux.ibm.com" , "alex.williamson@redhat.com" , "freude@linux.ibm.com" , "Vivi, Rodrigo" , "intel-gvt-dev@lists.freedesktop.org" , "akrowiak@linux.ibm.com" , "tvrtko.ursulin@linux.intel.com" , "cohuck@redhat.com" , "oberpar@linux.ibm.com" , "svens@linux.ibm.com" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Thu, Jul 07, 2022 at 08:46:12AM +0000, Tian, Kevin wrote: > External email: Use caution opening links or attachments > > > > From: Nicolin Chen > > Sent: Wednesday, July 6, 2022 2:28 PM > > /* > > - * Pin a set of guest PFNs and return their associated host PFNs for local > > + * Pin contiguous guest pages and return their associated host pages for > > local > > can we replace 'guest' with 'user'? > > > * domain only. > > * @device [in] : device > > - * @user_pfn [in]: array of user/guest PFNs to be pinned. > > - * @npage [in] : count of elements in user_pfn array. This count should > > not > > + * @iova [in] : starting IOVA of user/guest pages to be pinned. > > remove 'guest'. > > > + * @npage [in] : count of pages to be pinned. This count should not > > * be greater VFIO_PIN_PAGES_MAX_ENTRIES. > > greater 'than' ... Will update them in v3. Thanks