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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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89fb9e7c34
If NO_DMA=y: drivers/built-in.o: In function `uio_dmem_genirq_release': drivers/uio/uio_dmem_genirq.c:95: undefined reference to `dma_free_coherent' drivers/built-in.o: In function `uio_dmem_genirq_open': drivers/uio/uio_dmem_genirq.c:61: undefined reference to `dma_alloc_coherent' Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Hans J. Koch <hjk@hansjkoch.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
132 lines
4.3 KiB
Plaintext
132 lines
4.3 KiB
Plaintext
menuconfig UIO
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tristate "Userspace I/O drivers"
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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
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tristate "Userspace I/O platform driver"
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help
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Generic platform driver for Userspace I/O devices.
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If you don't know what to do here, say N.
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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_PRUSS
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tristate "Texas Instruments PRUSS driver"
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depends on ARCH_DAVINCI_DA850
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select GENERIC_ALLOCATOR
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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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endif
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