1# SPDX-License-Identifier: GPL-2.0-only
2config NVME_CORE
3	tristate
4	select BLK_DEV_INTEGRITY_T10 if BLK_DEV_INTEGRITY
5
6config BLK_DEV_NVME
7	tristate "NVM Express block device"
8	depends on PCI && BLOCK
9	select NVME_CORE
10	help
11	  The NVM Express driver is for solid state drives directly
12	  connected to the PCI or PCI Express bus.  If you know you
13	  don't have one of these, it is safe to answer N.
14
15	  To compile this driver as a module, choose M here: the
16	  module will be called nvme.
17
18config NVME_MULTIPATH
19	bool "NVMe multipath support"
20	depends on NVME_CORE
21	help
22	   This option enables support for multipath access to NVMe
23	   subsystems.  If this option is enabled only a single
24	   /dev/nvmeXnY device will show up for each NVMe namespaces,
25	   even if it is accessible through multiple controllers.
26
27config NVME_HWMON
28	bool "NVMe hardware monitoring"
29	depends on (NVME_CORE=y && HWMON=y) || (NVME_CORE=m && HWMON)
30	help
31	  This provides support for NVMe hardware monitoring. If enabled,
32	  a hardware monitoring device will be created for each NVMe drive
33	  in the system.
34
35config NVME_FABRICS
36	tristate
37
38config NVME_RDMA
39	tristate "NVM Express over Fabrics RDMA host driver"
40	depends on INFINIBAND && INFINIBAND_ADDR_TRANS && BLOCK
41	select NVME_CORE
42	select NVME_FABRICS
43	select SG_POOL
44	help
45	  This provides support for the NVMe over Fabrics protocol using
46	  the RDMA (Infiniband, RoCE, iWarp) transport.  This allows you
47	  to use remote block devices exported using the NVMe protocol set.
48
49	  To configure a NVMe over Fabrics controller use the nvme-cli tool
50	  from https://github.com/linux-nvme/nvme-cli.
51
52	  If unsure, say N.
53
54config NVME_FC
55	tristate "NVM Express over Fabrics FC host driver"
56	depends on BLOCK
57	depends on HAS_DMA
58	select NVME_CORE
59	select NVME_FABRICS
60	select SG_POOL
61	help
62	  This provides support for the NVMe over Fabrics protocol using
63	  the FC transport.  This allows you to use remote block devices
64	  exported using the NVMe protocol set.
65
66	  To configure a NVMe over Fabrics controller use the nvme-cli tool
67	  from https://github.com/linux-nvme/nvme-cli.
68
69	  If unsure, say N.
70
71config NVME_TCP
72	tristate "NVM Express over Fabrics TCP host driver"
73	depends on INET
74	depends on BLK_DEV_NVME
75	select NVME_FABRICS
76	select CRYPTO
77	select CRYPTO_CRC32C
78	help
79	  This provides support for the NVMe over Fabrics protocol using
80	  the TCP transport.  This allows you to use remote block devices
81	  exported using the NVMe protocol set.
82
83	  To configure a NVMe over Fabrics controller use the nvme-cli tool
84	  from https://github.com/linux-nvme/nvme-cli.
85
86	  If unsure, say N.
87