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- Download Pci Controller Driver
- Pci Device Driver Update Software
- Pci Drivers For Windows 10
- Pci Device Driver For Windows 2000
Downloads for Intel® 82558 32-bit PCI Bus LAN Controller. Drivers for MS-DOS. This download record installs version 24.2 of the Intel® Ethernet Adapter drivers. Jun 16, 2017 A bus driver services a bus controller, adapter, or bridge (see the Possible Driver Layers figure). Microsoft provides bus drivers for most common buses, such as PCI, PnpISA, SCSI, and USB. Other bus drivers can be provided by IHVs or OEMs. Bus drivers are required drivers; there is one bus driver for each type of bus on a machine.
This topic describes how to update a removable or in-chassis device's firmware using the Windows Update (WU) service. For information about updating system firmware, see Windows UEFI firmware update platform.
To do this, you'll provide an update mechanism, implemented as a device driver, that includes the firmware payload. If your device uses a vendor-supplied driver, you have the option of adding the firmware update logic and payload to your existing function driver, or providing a separate firmware update driver package. If your device uses a Microsoft-supplied driver, you must provide a separate firmware update driver package. In both cases, the firmware update driver package must be universal. For more info about universal drivers, see Getting Started with Universal Windows drivers. The driver binary can use KMDF, UMDF 2 or the Windows Driver Model.
Because WU cannot execute software, the firmware update driver must hand the firmware to Plug and Play (PnP) for installation.
Firmware update driver actions
Typically, the firmware update driver is a lightweight device driver that does the following:
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- At device start or in the driver's EVT_WDF_DRIVER_DEVICE_ADD callback function:
- Identify the device to which it is attached.
- Determine whether the driver has a firmware version that is more recent than the version on the device.
- If a firmware update is necessary, set an event timer to schedule the update.
- Otherwise, do nothing until the driver is started again.
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- If an update is queued, wait for a set of conditions to be met.
- When conditions are met, perform the firmware update on the device.
Firmware update driver contents
Typically, the firmware update driver package contains the following:
- Driver catalog
- Function driver (.sys or .dll)
- Firmware update payload binary
Submit your firmware update package as a separate driver submission.
Adding firmware update logic to a vendor-supplied driver
The existing function driver can implement the firmware update mechanism, as shown in the following diagram:
Alternatively, if you want to update the function driver and the firmware update driver separately, create a second device node, on which you will install the firmware update driver. The following diagram shows how one device can have two separate device nodes:
In this case, the function and firmware device nodes must have different hardware IDs in order to be targeted independently.
There are a couple ways to create a second device node. Certain device types have the ability to expose a second device node on one physical device, such as USB. You can use this functionality to create a device node targetable by WU, and install a firmware update driver on it. Many device types, however, do not allow a single physical device to enumerate more than one device node.
In this case, use an extension INF that specifies the AddComponent directive to create a device node that can be targeted by Windows Update and install the firmware update driver on it. The following snippet from an INF file shows how you can do this:
In the above INF sample,
ComponentIDs = ComponentDeviceId
indicates that the child device will have a hardware ID of SWCComponentDeviceId
. When installed, this INF creates the following device hierarchy:Pci Device Driver Update Software
For future firmware updates, update the INF and binary file containing the firmware payload.
Adding firmware update logic to a Microsoft-supplied driver
To update firmware for devices that use a Microsoft-supplied driver, you need to create a second device node, as shown above.
Best practices
- In your firmware update driver INF, specify DIRID 13 to cause PnP to leave the files in the driver package in the DriverStore:PnP resolves this location when it installs the device. The driver can then open this registry key to determine the location of the payload.
- Firmware update drivers should specify the following INF entries:
- To locate another device node, the firmware driver should walk the device tree relative to itself, not by enumerating all device nodes for a match. A user may have plugged in multiple instances of the device, and the firmware driver should only update the device with which it is associated. Typically, the device node to be located is the parent or sibling of the device node on which the firmware driver is installed. For example, in the diagram above with two device nodes, the firmware update driver can look for a sibling device to find the function driver. In the diagram immediately above, the firmware driver can look for the parent device to find the primary device with which it needs to communicate.
- The driver should be robust to multiple instances of the device being on the system, possibly with multiple different firmware versions. For example, there may be one instance of the device that has been connected and updated several times; a brand new device may then be plugged in which is several firmware versions old. This means that state (such as current version) must be stored against the device, and not in a global location.
- If there is an existing method to update the firmware (EXE or co-installer, for example), you can largely reuse the update code within a UMDF driver.
A bus driver services a bus controller, adapter, or bridge (see the Possible Driver Layers figure). Microsoft provides bus drivers for most common buses, such as PCI, PnpISA, SCSI, and USB. Other bus drivers can be provided by IHVs or OEMs. Bus drivers are required drivers; there is one bus driver for each type of bus on a machine. A bus driver can service more than one bus if there is more than one bus of the same type on the machine.
The primary responsibilities of a bus driver are to:
- Enumerate the devices on its bus.
- Respond to Plug and Play IRPs and power management IRPs.
- Multiplex access to the bus (for some buses).
- Generically administer the devices on its bus.
Bus drivers are essentially function drivers that also enumerate children.
During enumeration, a bus driver identifies the devices on its bus and creates device objects for them. (For information about device objects, see Device Objects and Device Stacks.) The method a bus driver uses to identify connected devices depends on the particular bus.
Pci Drivers For Windows 10
A bus driver performs certain operations on behalf of the devices on its bus, including accessing device registers to physically change the power state of a device. For example, when the device goes to sleep, the bus driver sets device registers to put the device in the proper device power state.
Note, however, that a bus driver does not handle read and write requests for the child devices that are connect to its bus. Read and write requests to a child device are handled by the child device's function driver does the parent bus driver handle reads and writes for the device.
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Because a bus driver acts as the function driver for its controller, adapter, or bridge, it also manages device power policy for these components.
Pci Device Driver For Windows 2000
A bus driver can be implemented as a driver/minidriver pair, the way a SCSI port/miniport driver pair drives a SCSI host bus adapter (HBA). In such driver pairs, the minidriver is linked to the second driver, which is a DLL.