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 namespace,
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	select NVME_CORE
37	tristate
38
39config NVME_RDMA
40	tristate "NVM Express over Fabrics RDMA host driver"
41	depends on INFINIBAND && INFINIBAND_ADDR_TRANS && BLOCK
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_FABRICS
59	select SG_POOL
60	help
61	  This provides support for the NVMe over Fabrics protocol using
62	  the FC transport.  This allows you to use remote block devices
63	  exported using the NVMe protocol set.
64
65	  To configure a NVMe over Fabrics controller use the nvme-cli tool
66	  from https://github.com/linux-nvme/nvme-cli.
67
68	  If unsure, say N.
69
70config NVME_TCP
71	tristate "NVM Express over Fabrics TCP host driver"
72	depends on INET
73	depends on BLOCK
74	select NVME_FABRICS
75	select CRYPTO
76	select CRYPTO_CRC32C
77	help
78	  This provides support for the NVMe over Fabrics protocol using
79	  the TCP transport.  This allows you to use remote block devices
80	  exported using the NVMe protocol set.
81
82	  To configure a NVMe over Fabrics controller use the nvme-cli tool
83	  from https://github.com/linux-nvme/nvme-cli.
84
85	  If unsure, say N.
86