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PCIe MSI Interrupts directly into Userspace with VFIO & IOMMU

score 148 · Answer 1 · 2024-01-23T19:52:25.963000

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PCIe MSI Interrupts directly into Userspace with VFIO & IOMMU

148 views Asked by Ahmed Eshra At 23 January 2024 at 19:52

score 89 · Answer 2 · 2024-01-19T11:43:23.410000

AMD IOMMU IO_PAGE_FAULT

89 views Asked by gyuyoun At 19 January 2024 at 11:43

score 184 · Answer 3 · 2023-11-20T16:36:10.907000

Cannot open /dev/vfio/noiommu-0: Operation not permitted

184 views Asked by Mikhail Malofeev At 20 November 2023 at 16:36

score 173 · Answer 4 · 2023-05-15T02:27:53.377000

How to ensure continuous physical memory address with IOMMU?

173 views Asked by lymose At 15 May 2023 at 02:27

score 399 · Answer 5 · 2023-05-03T15:21:39.330000

DPDK EAL error when using IOVA-VA memory mode

399 views Asked by Igor_dp At 03 May 2023 at 15:21

score 107 · Answer 6 · 2023-03-12T06:51:33.467000

VFIO PCIe BAR write won't work. Register value falls back when program execution finished

107 views Asked by Clark At 12 March 2023 at 06:51

score 243 · Answer 7 · 2023-02-20T00:33:39.390000

I'm a bit confused how memory mapped I/O works on a Raspberry pi

243 views Asked by EskimoJones At 20 February 2023 at 00:33

score 699 · Answer 8 · 2022-11-14T07:11:57.817000

How to add VFIO-IOMMU in KVM virtual machine (Aarch64)?

699 views Asked by wangt13 At 14 November 2022 at 07:11

score 67 · Answer 9 · 2022-11-10T02:14:56.323000

Reading 0 when reading SMMUv2 registers from user space in Linux

67 views Asked by wangt13 At 10 November 2022 at 02:14

score 1985 · Answer 10 · 2022-10-27T19:15:24.630000

How does memory mapped I/O (MMIO) work on ARM architectures?

1.9k views Asked by ruach At 27 October 2022 at 19:15

score 395 · Answer 11 · 2022-07-07T07:13:37.650000

Create an IOMMU entry in Linux

395 views Asked by Benedict Schlüter At 07 July 2022 at 07:13

score 500 · Answer 12 · 2022-06-01T22:02:13.240000

how is 'stream ID' or 'iommu specifier' determined in PCIe root complex mode?

500 views Asked by Chan Kim At 01 June 2022 at 22:02

score 1199 · Answer 13 · 2022-02-18T11:14:17.803000

How to configure IOMMU protection for my hypervisor?

1.1k views Asked by matank001 At 18 February 2022 at 11:14

score 513 · Answer 14 · 2022-01-10T11:40:12.427000

PCIe DMA aarch64 0x10 Translation Fault

513 views Asked by Naarayanan_Rao At 10 January 2022 at 11:40

score 304 · Answer 15 · 2021-10-07T13:52:48.860000

with IOMMU, why don't we have to pin the DMA buffer pages?

304 views Asked by Chan Kim At 07 October 2021 at 13:52

score 1028 · Answer 16 · 2021-09-06T17:03:58.693000

kernelstub can't find kernel or initrd image on Ubuntu 21.04

1k views Asked by KCGD At 06 September 2021 at 17:03

score 473 · Answer 17 · 2021-07-26T22:30:46.153000

Can I call dma_map_single() on DeviceB using an addresses returned from dma_alloc_coherent on DeviceA?

473 views Asked by Vern At 26 July 2021 at 22:30

score 1015 · Answer 18 · 2021-03-29T19:16:22.453000

Why does my host OS experience high system cpu usage on cores performing networking when using SR-IOV?

1k views Asked by Nick At 29 March 2021 at 19:16

score 2832 · Answer 19 · 2021-01-06T10:44:36.027000

VFIO - igpu passthrough on Intel 4770 to a virtual machine (Host Os Proxmox)

2.8k views Asked by user13402801 At 06 January 2021 at 10:44

score 1171 · Answer 20 · 2020-12-02T09:13:27.330000

Linux DMA 32-bit dma_alloc_coherent wrong behavior when intel_iommu=on

1.1k views Asked by skandar At 02 December 2020 at 09:13

TechQA.

List Question

PCIe MSI Interrupts directly into Userspace with VFIO & IOMMU

AMD IOMMU IO_PAGE_FAULT

Cannot open /dev/vfio/noiommu-0: Operation not permitted

How to ensure continuous physical memory address with IOMMU?

DPDK EAL error when using IOVA-VA memory mode

VFIO PCIe BAR write won't work. Register value falls back when program execution finished

I'm a bit confused how memory mapped I/O works on a Raspberry pi

How to add VFIO-IOMMU in KVM virtual machine (Aarch64)?

Reading 0 when reading SMMUv2 registers from user space in Linux

How does memory mapped I/O (MMIO) work on ARM architectures?

Create an IOMMU entry in Linux

how is 'stream ID' or 'iommu specifier' determined in PCIe root complex mode?

How to configure IOMMU protection for my hypervisor?

PCIe DMA aarch64 0x10 Translation Fault

with IOMMU, why don't we have to pin the DMA buffer pages?

kernelstub can't find kernel or initrd image on Ubuntu 21.04

Can I call dma_map_single() on DeviceB using an addresses returned from dma_alloc_coherent on DeviceA?

Why does my host OS experience high system cpu usage on cores performing networking when using SR-IOV?

VFIO - igpu passthrough on Intel 4770 to a virtual machine (Host Os Proxmox)

Linux DMA 32-bit dma_alloc_coherent wrong behavior when intel_iommu=on

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