Question

How does CPU tell between MMIO(Memory Mapped IO) and normal memory access in x86 architecture

score 45 · Answer 1 · 2024-03-29T07:46:04.863000

45

Views

How does CPU tell between MMIO(Memory Mapped IO) and normal memory access in x86 architecture

Published on 29 March 2024 at 07:46

score 16 · Answer 2 · 2024-03-13T18:22:56.410000

16

Views

Getting Page Fault while accessing another PCIe NTB switch(SW2 NTB1) from one PCIe NTB switch(SW1 NTB0)

Published on 13 March 2024 at 18:22

score 22 · Answer 3 · 2024-03-04T14:26:43.637000

22

Views

finding PCI domain number for extended BDF

Published on 04 March 2024 at 14:26

score 19 · Answer 4 · 2024-02-24T10:02:43.207000

19

Views

How LPI get deviceid from PCIe device and differentiate(same BDF)?

Published on 24 February 2024 at 10:02

score 37 · Answer 5 · 2024-02-13T08:12:22.940000

37

Views

How to find type of PCI slots on windows server

Published on 13 February 2024 at 08:12

score 63 · Answer 6 · 2024-02-05T12:52:42.947000

63

Views

How to create a PCI node in devicetree for server platforms?

Published on 05 February 2024 at 12:52

score 63 · Answer 7 · 2024-02-02T08:30:20.643000

63

Views

How to get PCI slot information for network adapters / NIC cards using python API like wmi on windows

Published on 02 February 2024 at 08:30

score 53 · Answer 8 · 2024-01-13T15:18:45.647000

53

Views

Enabled MSI in qemu, but interrupt handler not invoking

Published on 13 January 2024 at 15:18

score 114 · Answer 9 · 2024-01-02T13:22:55.373000

114

Views

Since PCIe write TLP is Post, what will happen when CPU access memory mapped bar address very frequently?

Published on 02 January 2024 at 13:22

score 86 · Answer 10 · 2024-01-02T07:57:47.227000

86

Views

QDMA DPDK driver results "Packet Length Mismatch" Error during data transfer

Published on 02 January 2024 at 07:57

score 99 · Answer 11 · 2023-12-29T11:04:20.800000

99

Views

Linux PCI driver of_node NULL when loaded

Published on 29 December 2023 at 11:04

score 99 · Answer 12 · 2023-12-09T12:21:20.593000

99

Views

Why is the MSI message data always 0? And how does IRQ affinity work?

Published on 09 December 2023 at 12:21

score 206 · Answer 13 · 2023-12-04T06:37:12.963000

206

Views

Do PCI and PCIe allow change BAR value to remap device registers to new address?

Published on 04 December 2023 at 06:37

score 185 · Answer 14 · 2023-11-28T21:14:11.193000

185

Views

Read PCI config address for PCI device iteration

Published on 28 November 2023 at 21:14

score 191 · Answer 15 · 2023-11-17T12:12:02.113000

191

Views

DPDK TestPMD application results 0 rx packets

Published on 17 November 2023 at 12:12

score 88 · Answer 16 · 2023-11-10T10:52:42.523000

88

Views

I²C bus over PCI

Published on 10 November 2023 at 10:52

score 87 · Answer 17 · 2023-10-04T21:54:11.017000

87

Views

where is implemented pci_user_write_config_word?

Published on 04 October 2023 at 21:54

score 93 · Answer 18 · 2023-09-12T04:25:48.377000

93

Views

Can write to but not read from PCI address

Published on 12 September 2023 at 04:25

score 26 · Answer 19 · 2023-09-07T08:53:19.067000

26

Views

How to understand the base address in Legacy PCI BARs?

Published on 07 September 2023 at 08:53

score 125 · Answer 20 · 2023-08-18T07:39:49.227000

125

Views

Hidden PCI device

Published on 18 August 2023 at 07:39

List Question

How does CPU tell between MMIO(Memory Mapped IO) and normal memory access in x86 architecture

Getting Page Fault while accessing another PCIe NTB switch(SW2 NTB1) from one PCIe NTB switch(SW1 NTB0)

finding PCI domain number for extended BDF

How LPI get deviceid from PCIe device and differentiate(same BDF)?

How to find type of PCI slots on windows server

How to create a PCI node in devicetree for server platforms?

How to get PCI slot information for network adapters / NIC cards using python API like wmi on windows

Enabled MSI in qemu, but interrupt handler not invoking

Since PCIe write TLP is Post, what will happen when CPU access memory mapped bar address very frequently?

QDMA DPDK driver results "Packet Length Mismatch" Error during data transfer

Linux PCI driver of_node NULL when loaded

Why is the MSI message data always 0? And how does IRQ affinity work?

Do PCI and PCIe allow change BAR value to remap device registers to new address?

Read PCI config address for PCI device iteration

DPDK TestPMD application results 0 rx packets

I²C bus over PCI

where is implemented pci_user_write_config_word?

Can write to but not read from PCI address

How to understand the base address in Legacy PCI BARs?

Hidden PCI device

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