Apparatus, device, method, and computer program for a computer system
Examples relate to a computer system and to an apparatus device method, and computer program for a computer system. The apparatus comprises processing circuitry is configured to detect the presence of a peripheral device connected to the computer system. The processing circuitry is configured to add the peripheral device to a device tree managed by a firmware of the computer system, by adding a first and a second device node to the device tree, the first device node representing the peripheral device and the second device node representing a reset capability or firmware flash capability of the peripheral device.
1 . An apparatus for a computer system, the apparatus comprising processing circuitry configured to:
detect the presence of a peripheral device connected to the computer system;
add the peripheral device to a device tree managed by a firmware of the computer system, by adding a first and a second device node to the device tree, the first device node representing the peripheral device and the second device node representing a reset capability or firmware flash capability of the peripheral device.
2 . The apparatus according to claim 1 , wherein the processing circuitry is configured to detect the presence of a network connectivity peripheral device connected to the computer system.
3 . The apparatus according to claim 2 , wherein the processing circuitry is configured to detect the presence of one of a wireless wide area network card, a cellular wireless wide area network card, a wireless local area network card, a Bluetooth connectivity card and a combined network connectivity card connected to the computer system.
4 . The apparatus according to claim 1 , wherein the processing circuitry is configured to detect the presence of the peripheral device connected to the computer system via a Peripheral Component Interconnect express interface.
5 . The apparatus according to claim 1 , wherein the processing circuitry is configured to detect the presence of the peripheral device connected to the computer system via a Thunderbolt or Universal Serial Bus interface.
6 . The apparatus according to claim 1 , wherein the processing circuitry is configured to determine the peripheral device being unable to initialize.
7 . The apparatus according to claim 6 , wherein the processing circuitry is configured to determine the peripheral device being unable to initialize due to corruption of a flash storage of the peripheral device.
8 . The apparatus according to claim 6 , wherein the processing circuitry is configured to provide information on the peripheral device being unable to initialize to an application program being executed on the computer system.
9 . The apparatus according to claim 6 , wherein the processing circuitry is configured to determine the peripheral device being unable to initialize via the first device node.
10 . The apparatus according to claim 6 , wherein the processing circuitry is configured to initiate a reset of the peripheral device via the second device node upon detecting that the peripheral device is unable to initialize.
11 . The apparatus according to claim 6 , wherein the processing circuitry is configured to control the peripheral device to enter a firmware flash operation mode via the second device node upon detecting that the peripheral device is unable to initialize.
12 . The apparatus according to claim 1 , wherein the processing circuitry is configured to obtain an instruction for the peripheral device from an application program being executed on the computer system, and to control the peripheral device via the second device node based on the instruction.
13 . The apparatus according to claim 12 , wherein the instruction relates to resetting the peripheral device.
14 . The apparatus according to claim 12 , wherein the instruction relates to initiating a firmware flash operation of the peripheral device.
15 . The apparatus according to claim 12 , wherein the processing circuitry is configured to host a driver for accessing the reset capability or firmware flash capability of the peripheral device, and to control the peripheral device based on the driver.
16 . The apparatus according to claim 12 , wherein the processing circuitry is configured to obtain the instruction from the application program via an Advanced Configuration and Power Interface.
17 . A computer system comprising the apparatus according to claim 1 , wherein the apparatus is part of a firmware of the computer system.
18 . The computer system according to claim 17 , wherein the apparatus is part of a Basic Input Output System, BIOS, or part of a Unified Extensible Firmware Interface, UEFI, of the computer system.
19 . A method for a computer system, the method comprising:
detecting the presence of a peripheral device connected to the computer system;
adding the peripheral device to a device tree managed by a firmware of the computer system, by adding a first and a second device node to the device tree, the first device node representing the peripheral device and the second device node representing a reset capability or firmware flash capability of the peripheral device.
20 . A non-transitory machine-readable storage medium including a program code for performing the method of claim 19 when the program code is executed on a computer, a processor, or a programmable hardware component.