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![Xu Yilun](/assets/img/avatar_default.png)
This patch supports the DFL drivers be written in userspace. This is realized by exposing the userspace I/O device interfaces. The driver now only binds the ether group feature, which has no irq. So the irq support is not implemented yet. Reviewed-by: Tom Rix <trix@redhat.com> Signed-off-by: Xu Yilun <yilun.xu@intel.com> Link: https://lore.kernel.org/r/1615168776-8553-2-git-send-email-yilun.xu@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
185 lines
6.2 KiB
Text
185 lines
6.2 KiB
Text
# SPDX-License-Identifier: GPL-2.0-only
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menuconfig UIO
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tristate "Userspace I/O drivers"
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depends on MMU
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help
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Enable this to allow the userspace driver core code to be
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built. This code allows userspace programs easy access to
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kernel interrupts and memory locations, allowing some drivers
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to be written in userspace. Note that a small kernel driver
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is also required for interrupt handling to work properly.
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If you don't know what to do here, say N.
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if UIO
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config UIO_CIF
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tristate "generic Hilscher CIF Card driver"
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depends on PCI
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help
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Driver for Hilscher CIF DeviceNet and Profibus cards. This
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driver requires a userspace component called cif that handles
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all of the heavy lifting and can be found at:
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<http://www.osadl.org/projects/downloads/UIO/user/>
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To compile this driver as a module, choose M here: the module
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will be called uio_cif.
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config UIO_PDRV_GENIRQ
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tristate "Userspace I/O platform driver with generic IRQ handling"
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help
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Platform driver for Userspace I/O devices, including generic
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interrupt handling code. Shared interrupts are not supported.
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This kernel driver requires that the matching userspace driver
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handles interrupts in a special way. Userspace is responsible
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for acknowledging the hardware device if needed, and re-enabling
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interrupts in the interrupt controller using the write() syscall.
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If you don't know what to do here, say N.
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config UIO_DMEM_GENIRQ
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tristate "Userspace platform driver with generic irq and dynamic memory"
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depends on HAS_DMA
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help
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Platform driver for Userspace I/O devices, including generic
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interrupt handling code. Shared interrupts are not supported.
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Memory regions can be specified with the same platform device
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resources as the UIO_PDRV drivers, but dynamic regions can also
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be specified.
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The number and size of these regions is static,
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but the memory allocation is not performed until
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the associated device file is opened. The
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memory is freed once the uio device is closed.
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If you don't know what to do here, say N.
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config UIO_AEC
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tristate "AEC video timestamp device"
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depends on PCI
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help
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UIO driver for the Adrienne Electronics Corporation PCI time
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code device.
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This device differs from other UIO devices since it uses I/O
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ports instead of memory mapped I/O. In order to make it
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possible for UIO to work with this device a utility, uioport,
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can be used to read and write the ports:
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git clone git://ifup.org/philips/uioport.git
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If you compile this as a module, it will be called uio_aec.
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config UIO_SERCOS3
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tristate "Automata Sercos III PCI card driver"
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depends on PCI
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help
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Userspace I/O interface for the Sercos III PCI card from
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Automata GmbH. The userspace part of this driver will be
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available for download from the Automata GmbH web site.
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Automata GmbH: http://www.automataweb.com
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Sercos III interface: http://www.sercos.com
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If you compile this as a module, it will be called uio_sercos3.
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config UIO_PCI_GENERIC
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tristate "Generic driver for PCI 2.3 and PCI Express cards"
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depends on PCI
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help
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Generic driver that you can bind, dynamically, to any
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PCI 2.3 compliant and PCI Express card. It is useful,
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primarily, for virtualization scenarios.
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If you compile this as a module, it will be called uio_pci_generic.
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config UIO_NETX
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tristate "Hilscher NetX Card driver"
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depends on PCI
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help
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Driver for Hilscher NetX based fieldbus cards (cifX, comX).
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This driver requires a userspace component that comes with the card
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or is available from Hilscher (http://www.hilscher.com).
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To compile this driver as a module, choose M here; the module
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will be called uio_netx.
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config UIO_FSL_ELBC_GPCM
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tristate "eLBC/GPCM driver"
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depends on FSL_LBC
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help
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Generic driver for accessing a peripheral connected to an eLBC port
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that is running in GPCM mode. GPCM is an interface for simple lower
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performance memories and memory-mapped devices. For devices using
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FCM or UPM eLBC modes, other device-specific drivers are available.
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config UIO_FSL_ELBC_GPCM_NETX5152
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bool "eLBC/GPCM netX 51/52 support"
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depends on UIO_FSL_ELBC_GPCM
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help
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This will add support for netX 51/52 devices connected via eLBC/GPCM.
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In particular, it implements interrupt handling. This can be used
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together with the userspace netX stack from Hilscher.
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Information about this hardware can be found at:
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http://www.hilscher.com/netx
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config UIO_PRUSS
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tristate "Texas Instruments PRUSS driver"
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select GENERIC_ALLOCATOR
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depends on HAS_IOMEM && HAS_DMA
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help
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PRUSS driver for OMAPL138/DA850/AM18XX devices
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PRUSS driver requires user space components, examples and user space
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driver is available from below SVN repo - you may use anonymous login
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https://gforge.ti.com/gf/project/pru_sw/
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More info on API is available at below wiki
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http://processors.wiki.ti.com/index.php/PRU_Linux_Application_Loader
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To compile this driver as a module, choose M here: the module
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will be called uio_pruss.
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config UIO_MF624
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tristate "Humusoft MF624 DAQ PCI card driver"
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depends on PCI
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help
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Userspace I/O interface for the Humusoft MF624 PCI card.
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A sample userspace application using this driver is available
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(among other MF624 related information and software components)
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for download in a git repository:
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git clone git://rtime.felk.cvut.cz/mf6xx.git
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If you compile this as a module, it will be called uio_mf624.
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config UIO_HV_GENERIC
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tristate "Generic driver for Hyper-V VMBus"
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depends on HYPERV
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help
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Generic driver that you can bind, dynamically, to any
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Hyper-V VMBus device. It is useful to provide direct access
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to network and storage devices from userspace.
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If you compile this as a module, it will be called uio_hv_generic.
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config UIO_DFL
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tristate "Generic driver for DFL (Device Feature List) bus"
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depends on FPGA_DFL
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help
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Generic DFL (Device Feature List) driver for Userspace I/O devices.
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It is useful to provide direct access to DFL devices from userspace.
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A sample userspace application using this driver is available for
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download in a git repository:
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git clone https://github.com/OPAE/opae-sdk.git
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It could be found at:
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opae-sdk/tools/libopaeuio/
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If you compile this as a module, it will be called uio_dfl.
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endif
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