# SPDX-License-Identifier: GPL-2.0-only
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config NVME_CORE
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tristate
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select BLK_DEV_INTEGRITY_T10 if BLK_DEV_INTEGRITY
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config BLK_DEV_NVME
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tristate "NVM Express block device"
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depends on PCI && BLOCK
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select NVME_CORE
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help
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The NVM Express driver is for solid state drives directly
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connected to the PCI or PCI Express bus. If you know you
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don't have one of these, it is safe to answer N.
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To compile this driver as a module, choose M here: the
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module will be called nvme.
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config NVME_MULTIPATH
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bool "NVMe multipath support"
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depends on NVME_CORE
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help
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This option enables support for multipath access to NVMe
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subsystems. If this option is enabled only a single
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/dev/nvmeXnY device will show up for each NVMe namespaces,
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even if it is accessible through multiple controllers.
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config NVME_HWMON
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bool "NVMe hardware monitoring"
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depends on (NVME_CORE=y && HWMON=y) || (NVME_CORE=m && HWMON)
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help
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This provides support for NVMe hardware monitoring. If enabled,
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a hardware monitoring device will be created for each NVMe drive
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in the system.
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config NVME_FABRICS
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tristate
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config NVME_RDMA
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tristate "NVM Express over Fabrics RDMA host driver"
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depends on INFINIBAND && INFINIBAND_ADDR_TRANS && BLOCK
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select NVME_CORE
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select NVME_FABRICS
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select SG_POOL
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help
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This provides support for the NVMe over Fabrics protocol using
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the RDMA (Infiniband, RoCE, iWarp) transport. This allows you
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to use remote block devices exported using the NVMe protocol set.
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To configure a NVMe over Fabrics controller use the nvme-cli tool
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from https://github.com/linux-nvme/nvme-cli.
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If unsure, say N.
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config NVME_FC
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tristate "NVM Express over Fabrics FC host driver"
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depends on BLOCK
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depends on HAS_DMA
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select NVME_CORE
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select NVME_FABRICS
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select SG_POOL
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help
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This provides support for the NVMe over Fabrics protocol using
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the FC transport. This allows you to use remote block devices
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exported using the NVMe protocol set.
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To configure a NVMe over Fabrics controller use the nvme-cli tool
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from https://github.com/linux-nvme/nvme-cli.
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If unsure, say N.
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config NVME_TCP
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tristate "NVM Express over Fabrics TCP host driver"
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depends on INET
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depends on BLOCK
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select NVME_CORE
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select NVME_FABRICS
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select CRYPTO
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select CRYPTO_CRC32C
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help
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This provides support for the NVMe over Fabrics protocol using
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the TCP transport. This allows you to use remote block devices
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exported using the NVMe protocol set.
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To configure a NVMe over Fabrics controller use the nvme-cli tool
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from https://github.com/linux-nvme/nvme-cli.
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If unsure, say N.
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