Stack Overflow
Stack Overflow

Questions tagged [pci]

Questions in this tag are only for questions related to the PCI Local Bus standard which is a computer bus for attaching hardware devices in a computer.

Questions in this tag are only for questions related to the PCI Local Bus standard which is a computer bus for attaching hardware devices in a computer.

483 questions
0
votes
1 answer

PCI/PCIe card with DMA capability for device driver training

I trying to learn DMA for device drivers with PCI/PCIe devices, and my platform is linux/bsd. I have found quite a few simple PCI boards for training (such as simple digital I/O boards), but none have hardware complex enough to handle DMA. Is…
Dr. Watson
  • 3,752
  • 4
  • 32
  • 43
0
votes
1 answer

Linux How to communicate with a PCI driver

I'm new on driver programming. So I 'm faced with some "problems". I wrote a PCI driver. The question is now How can a app communicate with this driver. My purpose is to write a test app for the driver. It's a kind of "basic research" to learn the…
Manfred
  • 159
  • 5
  • 17
0
votes
2 answers

locating base address of PCI Parallel port

I'm developing an application for DOS. I need to communicate via parallel port. Currently I'm stuck at how can I determine which of the PCI function's BAR(Base address registers) contain the base address(ie data port address) for that parallel port?…
jacks
  • 294
  • 3
  • 15
-1
votes
1 answer

How to get IRQ Pins in PCI

I was creating some drivers and I found my self stuck in the IRQ Pins, my kernel uses IOAPIC and I don't know how this interrupt mechanism (IRQ Pins) works and how to get them and use them. Can anyone give a detailled answer on how to use them to…
git_lk1
  • 76
  • 1
  • 8
-1
votes
1 answer

Regex expression - PCI and Office 365 - Specific Expression Needed

Thanks for your help in advanced. I have been trying to get this figured and out and some testing.... I am new to regex.... Office 365 is matching a credit card number pattern to a gift card. The gift card doesn't match any bank or company patterns…
Ryan B
  • 1
-1
votes
1 answer

QEMU how-to allocate specific IRQ number for PCI device?

I'm running qemu-system-x86_64 with my new pci device. And i want to use IRQ 17 (Since driver from kernel listen for IRQ 17). But my PCI device take IRQ 10 or 11. base on interrupt_pin(A,B,C,E). Then i want to send irq to kernel module by…
Nick
  • 9
  • 3
-1
votes
1 answer

What does accuracy means in PCIe local clock?

In the receiver side of the physical layer's logic block, the local clock is accurate to +/- 300 ppm. Can anyone explain about this in details please?!
Roronoa_Zoro
  • 3
  • 1
-1
votes
1 answer

Interfacing with a custom PCI from windows

I'm trying to write a program that can read from a bunch of sensors, make decisions on a windows computer, then write to some actuators (e.g. valves). This is all already done on an existing system and program but we want to do something different…
Michael Fowler
  • 3
  • 1
-1
votes
1 answer

Need a PCI sniffer

I'd like to look at PCI transmission but I can't find any tool for it. Does anyone know how to sniff data exchanged with PCI?
Marcin Zaluski
  • 687
  • 5
  • 10
-1
votes
1 answer

why different pci slot use same device serial number?

my questions are: 1, why pci~02_00_0 and pci~02_00_1 use the same Device Serial Number(a0-36-9f-ff-ff-b6-dd-c2)? 2, which pci slot is eth1(a0:36:9f:b6:dd:c3) corresponding to? details are below. *[root@localhost ~]# lspci |grep Ethernet 02:00.0…
nagexiucai
  • 37
  • 1
  • 7
-1
votes
1 answer

Can cudaDeviceSynchronize reduce the memcopy time?

A normal CUDA program: allocate memory space in CUDA device Memory copy from host to device call kernel Memory copy device to host ...etc so if i measure the host to device time time = clock (); 2. mem host to device; …
CHONG
  • 37
  • 2
-1
votes
1 answer

Why is there no access to the port 0xCF8?

I use ubuntu as an OS in Virtual Box(virtual machine). And my goal is to list all the pci devices that can be found in the system using c++ code. Here is a part of it: #include #include #include #include…
Dzi Lean
  • 89
  • 6
-1
votes
1 answer

PCI mezzanine card sometime gets "reserved IRQ0" in x86 machine

I am working on chassis based x86 machine where 8 PMC slots are provided. When my system brings up, it sometime gives IRQ0 to my PMC (PCI mezzanine card) while IRQ0 has already been allocated to Timer. This prevent loading of my pci module and hence…
Manish
  • 79
  • 1
  • 11
-1
votes
1 answer

How to send network packets to a particular pci address?

I am working on a server that has multiple dual port NIC cards. Each port has a different address on the PCI bus. I'm using nping to send packets through network interfaces given their logical names (such as eth0), but I want to be able to send…
user3324317
  • 9
  • 3
-2
votes
1 answer

How to send data using DMA to PCI device?

How to program the DMA controller for sending/receiving data to/from a PCI device?
Richard--
  • 44
  • 8
1 2 3
…
32
33