pci-bus

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Change IOaddress of a PCI device

I would like to change the IOaddress of a PCI device by writing the new (page aligned) address into BAR0/1. When I did that using a BIOS funct开发者_开发知识库ion I could not access the PCI device at[详细]

2023-04-09 20:08 分类：问答
Are there any code example(s) of how to make video cards invisible?

Are there any code example(s) of how to make video cards invisible? As per my understanding this should be done on kernel level. What I\'m trying to do is the folliowing - I have four physical GPUs us[详细]

2023-03-02 15:32 分类：问答
Identify a PCIe device using PCI config space

Given the list of PCI devices installed in the system, I need to identify PCIe devices. So far, I\'ve been using iteration over the list of capabilities to see if the device has extended cap structure[详细]

2023-03-01 02:53 分类：问答
Determine Physical Location of a PCI Adapter

We have a Windows application that can use multiple PCI adapters.These adapters all have external physical connections to other hardware or cables.Our software is configured to know what the physical[详细]

2023-01-17 05:42 分类：问答
How to configure PCI-to-PCI bridge device in VxWorks?

I\'m working with board support package (BSP) in VxWorks that uses pciAutoConfig() to configure the PCI bus.When I add an Ethernet controller card to the bus the pci display routines do not show the c[详细]

2023-01-09 16:21 分类：问答
Direct communication between two PCI devices

I have a NIC card and a HDD both connected on PCIe slots in a Linux machine. Ideally, I\'d like to funnel incoming packets to the HDD without involving the CPU, or involving it minimally开发者_JAVA百科[详细]

2022-12-30 06:26 分类：问答
How to interpret the contents of /proc/bus/pci/devices?

The first few fields of \'cat /proc/bus/pci/d开发者_StackOverflowevices\' are understandable. Field 1 - BusDevFunc[详细]

2022-12-29 07:05 分类：问答
How to record(reverse-engineer) PCI transactions on Linux

I want to record al开发者_Go百科l read/write PCI transactions of a device driver. Is there a way to do it by a linux command or on software?Memory-mapped I/O Trace is now in the mainline kernel, see /[详细]

2022-12-11 13:23 分类：问答