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2f9237d4f6
Avoid the overhead of the dma ops support for tiny builds that only use the direct mapping. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
141 lines
5.2 KiB
Plaintext
141 lines
5.2 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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menu "Intel MIC & related support"
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config INTEL_MIC_BUS
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tristate "Intel MIC Bus Driver"
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depends on 64BIT && PCI && X86
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select DMA_OPS
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help
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This option is selected by any driver which registers a
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device or driver on the MIC Bus, such as CONFIG_INTEL_MIC_HOST,
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CONFIG_INTEL_MIC_CARD, CONFIG_INTEL_MIC_X100_DMA etc.
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If you are building a host/card kernel with an Intel MIC device
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then say M (recommended) or Y, else say N. If unsure say N.
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More information about the Intel MIC family as well as the Linux
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OS and tools for MIC to use with this driver are available from
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<http://software.intel.com/en-us/mic-developer>.
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config SCIF_BUS
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tristate "SCIF Bus Driver"
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depends on 64BIT && PCI && X86
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select DMA_OPS
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help
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This option is selected by any driver which registers a
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device or driver on the SCIF Bus, such as CONFIG_INTEL_MIC_HOST
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and CONFIG_INTEL_MIC_CARD.
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If you are building a host/card kernel with an Intel MIC device
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then say M (recommended) or Y, else say N. If unsure say N.
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More information about the Intel MIC family as well as the Linux
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OS and tools for MIC to use with this driver are available from
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<http://software.intel.com/en-us/mic-developer>.
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config VOP_BUS
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tristate "VOP Bus Driver"
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select DMA_OPS
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help
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This option is selected by any driver which registers a
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device or driver on the VOP Bus, such as CONFIG_INTEL_MIC_HOST
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and CONFIG_INTEL_MIC_CARD.
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If you are building a host/card kernel with an Intel MIC device
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then say M (recommended) or Y, else say N. If unsure say N.
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More information about the Intel MIC family as well as the Linux
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OS and tools for MIC to use with this driver are available from
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<http://software.intel.com/en-us/mic-developer>.
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config INTEL_MIC_HOST
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tristate "Intel MIC Host Driver"
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depends on 64BIT && PCI && X86
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depends on INTEL_MIC_BUS && SCIF_BUS && MIC_COSM && VOP_BUS
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select DMA_OPS
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help
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This enables Host Driver support for the Intel Many Integrated
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Core (MIC) family of PCIe form factor coprocessor devices that
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run a 64 bit Linux OS. The driver manages card OS state and
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enables communication between host and card. Intel MIC X100
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devices are currently supported.
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If you are building a host kernel with an Intel MIC device then
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say M (recommended) or Y, else say N. If unsure say N.
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More information about the Intel MIC family as well as the Linux
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OS and tools for MIC to use with this driver are available from
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<http://software.intel.com/en-us/mic-developer>.
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config INTEL_MIC_CARD
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tristate "Intel MIC Card Driver"
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depends on 64BIT && X86
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depends on INTEL_MIC_BUS && SCIF_BUS && MIC_COSM && VOP_BUS
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select VIRTIO
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help
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This enables card driver support for the Intel Many Integrated
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Core (MIC) device family. The card driver communicates shutdown/
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crash events to the host and allows registration/configuration of
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virtio devices. Intel MIC X100 devices are currently supported.
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If you are building a card kernel for an Intel MIC device then
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say M (recommended) or Y, else say N. If unsure say N.
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For more information see
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<http://software.intel.com/en-us/mic-developer>.
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config SCIF
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tristate "SCIF Driver"
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depends on 64BIT && PCI && X86 && SCIF_BUS && IOMMU_SUPPORT
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select IOMMU_IOVA
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help
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This enables SCIF Driver support for the Intel Many Integrated
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Core (MIC) family of PCIe form factor coprocessor devices that
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run a 64 bit Linux OS. The Symmetric Communication Interface
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(SCIF (pronounced as skiff)) is a low level communications API
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across PCIe currently implemented for MIC.
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If you are building a host kernel with an Intel MIC device then
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say M (recommended) or Y, else say N. If unsure say N.
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More information about the Intel MIC family as well as the Linux
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OS and tools for MIC to use with this driver are available from
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<http://software.intel.com/en-us/mic-developer>.
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config MIC_COSM
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tristate "Intel MIC Coprocessor State Management (COSM) Drivers"
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depends on 64BIT && PCI && X86 && SCIF
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help
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This enables COSM driver support for the Intel Many
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Integrated Core (MIC) family of PCIe form factor coprocessor
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devices. COSM drivers implement functions such as boot,
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shutdown, reset and reboot of MIC devices.
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If you are building a host kernel with an Intel MIC device then
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say M (recommended) or Y, else say N. If unsure say N.
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More information about the Intel MIC family as well as the Linux
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OS and tools for MIC to use with this driver are available from
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<http://software.intel.com/en-us/mic-developer>.
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config VOP
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tristate "VOP Driver"
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depends on VOP_BUS
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select VHOST_RING
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select VIRTIO
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help
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This enables VOP (Virtio over PCIe) Driver support for the Intel
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Many Integrated Core (MIC) family of PCIe form factor coprocessor
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devices. The VOP driver allows virtio drivers, e.g. net, console
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and block drivers, on the card connect to user space virtio
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devices on the host.
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If you are building a host kernel with an Intel MIC device then
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say M (recommended) or Y, else say N. If unsure say N.
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More information about the Intel MIC family as well as the Linux
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OS and tools for MIC to use with this driver are available from
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<http://software.intel.com/en-us/mic-developer>.
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endmenu
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