Iommu_attach_device

Author: ipml

August undefined, 2024

WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH] iommu/qcom: Simplify a test in 'qcom_iommu_add_device()' @ 2024-09-16 20:29 Christophe … Web19 jan. 2024 · 通过函数iommu_group_add_device()将设备添加到iommu_group。这里通过函数sysfs_create_link()建立起IO设备的device与iommu_group的device相互Link，即从IO …

IOMMU Groups - What You Need to Consider - Heiko

Web21 aug. 2024 · Attach the group to container and Allocate IOMMU We now has a container fd (by opening the ‘/dev/vfio/vfio’ device) and group fd (by opening the ‘/dev/vfio/$gid’). … Web30 nov. 2024 · IOMMU groups and PCI (e) passthrough which in intel terms (mostly) is referred to as vt-d. follow the guide from our reference documentation and paste the … how many people are in north carolina

设备穿透之IOMMU分组 - 知乎 - 知乎专栏

WebReplace does this in way that failure leaves things unchanged, and utilizes the iommu iommu_group_replace_domain() API to allow the iommu driver to perform an optional … WebDrivers can add pages to @freelist to be freed after * ->iotlb_sync() or ->iotlb_flush_all() have cleared all cached references to * them. @queued is set to indicate when … Web29 jun. 2016 · 5. I've got a pci device driver that currently uses dma_map_page to map a userspace address to a dma address. This is working fine but I'm trying to port this to the … how many people are in nyu

drivers/iommu/iommu.c - Linux source code (v6.2.10) - Bootlin

vIOMMU/ARM: full emulation and virtio-iommu approaches

Web3 dec. 2011 · MVP. Replied on November 26, 2011. Report abuse. Download and install the AMD South Bridge Driver and AHCI for Windows 7. Afterward, settings are available … Web12 mrt. 2024 · 可以SMMU驱动需要先为对应的设备或者设备的独立内存访问单元建立STE或者CD，以及填充STE和CD中的域段以支持随后设备的内存访问。 STE和CD里包含页 … how can i be rich without workingWeb• Device is an identifier unique to the IOMMU • An address space is a collection of mappings • Devices attached to the same address space share mappings • if the … how can i be rich in two days

"WebAt the end __iommu_group_set_domain_internal() is the only function that stores to group->domain, and must be called to change this value. Some flags tell the intent of the caller, if the caller cannot accept a failure, or if the caller is a … " - Iommu_attach_device

Iommu_attach_device

[PATCH v5 12/17] iommufd: Add iommufd_device_replace()

Web13 feb. 2024 · On IOMMU side, a basic requirement is allowing to attach multiple domains to a PCI device if the device advertises the capability and the IOMMU hardware … WebFurther, the HWPT move is done without going through a blocking domain so that the IOMMU driver can implement some level of non-distruption to ongoing DMA if that has meaning for it (eg for future special driver domains) Replace uses a lot of the same logic as normal attach, except the actual domain change over has different restrictions, and we …

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http://events17.linuxfoundation.org/sites/events/files/slides/viommu_arm.pdf WebWe missed some cases here where an owned group would not get the device attached. Rework this logic so it follows the default domain flow of the bus_iommu_probe () - call …

WebLinux debugging, tracing, profiling & perf. analysis. Check our new training course. with Creative Commons CC-BY-SA WebRE: [PATCH v2 5/8] iommu/vt-d: Make device pasid attachment explicit From: Tian, Kevin Date: Tue Mar 28 2024 - 03:45:01 EST Next message: Clément Léger: "Re: [PATCH v2] clk: add missing of_node_put() in "assigned-clocks" property parsing" Previous message: Dan Carpenter: "Re: [PATCH v4] remoteproc: remove unnecessary (void*) conversions" In …

Web30 mrt. 2024 · Make the function able to handle theiommu_change_dev_def_domain() by taking in the target domain type anderroring out if the target type isn't reachable. This … Web29 nov. 2024 · A container manages memory resources and is related to the IOMMU, DMA, and address space. You can open the device file /dev/vfio/vfio to obtain the file …

WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 0/4] iommu: Add device fault reporting API @ 2024-05-23 18:06 Jean-Philippe Brucker 2024-05-23 18:06 ` [PATCH 1/4] driver core: Add per device iommu param Jean-Philippe Brucker ` (3 more replies) 0 siblings, 4 replies; 14+ messages in thread From: Jean-Philippe Brucker @ …

WebRe: [PATCH v4 5/7] iommu/vt-d: Make device pasid attachment explicit From: Baolu Lu Date: Sun Apr 09 2024 - 22:46:06 EST Next message: Gang Li: "[PATCH v3] mm: oom: introduce cpuset oom" Previous message: Yue Hu: "Re: [PATCH 3/7] erofs: move packed inode out of the compression part" Next in thread: Baolu Lu: "Re: [PATCH v4 5/7] … how many people are in panic at the discoWeb[ 15.092694] vfio-pci 0000:04:00.0: DMAR: Device is ineligible for IOMMU domain attach due to platform RMRR requirement. Contact your platform vendor. [ 37.049399] vfio-pci … how can i be rich in ukWebiommufd_device_replace() allows changing the HWPT associated with the device to a new IOAS or HWPT. Replace does this in way that failure leaves things unchanged, and utilizes the iommu iommu_group_replace_domain() API to allow the iommu driver to perform an optional non-disruptive change. how can i be rich without going to collegeWebThe IOMMU setting should be active by default on Debian stable if the hardware supports it. Since it was causing trouble and tons of errors in the log I had to deactivate it with … how can i be successfulWeb19 jun. 2024 · The VFIO attaches the IOMMU domain to the mediated device with the iommu_aux_attach_device() function and saves the domain in mdev framework with … how can i be righteousWeb25 feb. 2024 · 在iommu_attach_device 中首先通过group = iommu_group_get (dev); 得到group 在smmu v3版本中的group有两种，其也是在arm_smmu_ops的device_group 中定 … how can i be savedWebhmmm, i was trying to add more device related data in patch[13]: struct rk_iommudata { + struct device_link *link; /* runtime PM link from IOMMU to master */ struct rk_iommu *iommu; }; Can't you just add link to rk_iommu directly? adding link to rk_iommu would be fine if we only have one master device per rk_iommu. how can i be smart at school