1. Introduction to PCIPCI is a peripheral bus specification. Let's first look at what bus is: Bus is a path or channel for transmitting signals. Typically, a bus is an electrical connection that is connected to one or more conductors. All devices connected to the bus can receive all the transmission content at the same time. The bus consists of electrical interfaces and programming interfaces. This article discusses device drivers in Linux, so focus on programming interfaces.PCI is short for Per
Lspci-nn recently used in a lot | grep Eth Command, need to learn the next PCI bus, find an article, although also reproduced, but write more clearly, reproduced under.
http://blog.csdn.net/zhenhuakang/article/details/5463605
I. Introduction to PCI PCI is a peripheral bus specification. Let's take a look at what a bus is: A bus is a path or channel for tran
Linux Client Virtio Device initialization
The Virtio device is physically connected to the PCI physical bus and logically connected to the Virtio virtual bus. As a PCI device, it facilitates resource allocation and configuration, and facilitates management and organization in the logical device model.
Virtio PCI devices provided by 1.QEMU-KVM
VIRTIO-BLK (hard dis
Linux Device Model
Looking at the device model chapter in LDD3, I felt a bit confused. Here we will take a holistic approach.
This article summarizes some content from four aspects:
1. Underlying data structure: kobject, kset.
2. linux device Model Hierarchy: bus_type, device, device_driver.
3. Integration: Simple Analysis of PCI Device Driver Model instances and devices and device driver registration source code.
4. Application Analysis of Object-ori
defined in our driver code, it is the link between the driver and the PCI device. Rtl8139_pci_driver is defined as follows:Static struct pci_driver rtl8139_pci_driver = {Name: modname,Id_table: rtl8139_pci_tbl,Probe: rtl8139_init_one,Remove: rtl8139_remove_one,};Pci_module_init () is not defined in the driver code. You must have thought that it is a standard interface provided by the Linux kernel to the module. What does this interface do, I have tra
LSPCI is a tool used to display all PCI bus devices in the system or all devices connected to the bus.
AD:1 Preface
PCI and PCI Express, is a high-speed bus commonly used by computers. PCI/PCI-E device drivers and operating system cores in the operating system require access
Kernel device model (switch)
This article summarizes some content from four aspects:1. Underlying data structure: kobject, kset.2. Linux Device Model Hierarchy: bus_type, device, device_driver.3. Integration: Simple Analysis of PCI Device Driver Model instances and devices and device driver registration source code.4. Application Analysis of Object-oriented Thinking in the Linux device model.
I. Underlying data structure: kobject, ksetLet's talk abou
Specifically: NicWork on the MAC Sub-layer in the data link layer, rather than the physical layer. Nic is used to convert parallel lines. That is, the MAC Sub-layer specifies how frame is transmitted on a physical line. The role of LLC is to identifyEncapsulation is performed based on different protocol types. The MAC address is burned into the NIC. Therefore, the NIC works on the data link layer. I. MAIN FEATURES OF NICs Network interface card (NIC), also known as network adapter, is a device
(Premium chipset feature setting) sets the relevant parameters for the chipset used by the motherboard.Integrated Peripherals (external device settings) allows the settings menu to include settings for all peripheral devices. such as sound card, Modem, USB keyboard is open ...Power Management Setup sets the energy-saving function of the CPU, hard disk, monitor and other devices.The PNP/PCI configurations (Plug and play/
HP Superdome locates and replaces the NIC
Assume that HP superdome has three partitions.
Partition 0 cell 0 cell 3
Partition 1 cell 2
Partition 2 cell1
How to locate the lan1 Nic (0/0/8/1/0)
# Ioscan-funClan
Class I H/W Path Driver S/W State H/W Type Description
========================================================== ==================================
Lan 0 0/0/1/1/0 iether claimed interface hp AD331-60001 PCI/
I am very interested in Linux systems. Common Linux sysfs features Linux itself is the core part of this operating system, that is, the operating system kernel. The kernel is the most basic program for completing operations. It is responsible for the startup and termination of other programs, such as text editor programs, memory application processing, hard disk access, and network connection management.
The key to using Linux sysfs is to master the usage of these sysfs attributes. The following
Detailed explanation of lspci commands in CentOS
Note:Lspci is a tool used to display all PCI bus devices in the system or all devices connected to the bus.
Parameters:
-V enables lspci to display the details of all devices in redundancy mode. -Vv enables lspci to display more detailed information in redundancy mode (in fact, everything that PCI devices can provide ). The exact meaning of the data is not ex
banner CommandThe banner command lists several pieces of useful information about the system such as model, amount of memory, and HostID . You can also with the banner command to identify your system ' PROM version number. Three boot PROM levels are discussed in this module.OK bannerSun UltraSPARC Upa/pci (2 X ultrasparc-ii 296MHz), keyboard PresentOpenboot 3.11, 256 MB memory installed, serial #3159808.Ethernet address 8:0:22:1a:e7:3f, Host id:72303
__initcall_start =.;
* (. Initcall1.init)
* (. Initcall2.init)
* (. Initcall3.init)
__initcall_end =.;
Http://book.51cto.com/art/201007/213623.htm
4.5.3 Analysis Sample
Taking the PCI subsystem as an example, this paper analyzes which macro tags are used in its initialization.
Unlike many subsystems, the implementation code for the PCI subsystem is distributed in two places in the kernel code tree, remo
.
Advanced BIOS Features (Advanced BIOS feature settings)
Set the advanced features of the system.
Advanced chipset Features (Advanced chipset feature set)
Set parameters for the chipset used by the motherboard.
Integrated peripherals (external device setting)
Make the settings menu include all peripherals settings. such as sound card, Modem, USB keyboard is open ...
Power Management Setup (source management settings)
Set the CPU, hard disk, monitor and other equipment power-saving funct
Traverse all controls in the interfaceprivate void Setnoteditable (Uielementcollection uicontrols){foreach (UIElement element in Uicontrols){if (element is TextBox){(element as TextBox). IsEnabled = false;}else if (element is ListBox){if ((element as ListBox). Items.Count > 0){(element as ListBox). scrollIntoView (element as ListBox). items[(element as ListBox). Items.count-1]);}}else if (element is Grid){This. Setnoteditable (element as Grid). Children);}else if (element is
for developers to debug udev rule files.# Echo add>/sys/devices/pci0000: 00/0000: 00: 02.5/uevent use the sysfs attribute file of the driver (PCI), bind, unbind and new_id in the device drive/sys/bus/*/driver /... we can see that many drivers have three attributes: bind, unbind, and new_id,# Find/sys/bus/*/drivers/-name bind-ls...
Each device driver specifies in a program the hardware that can be used. For example, all
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