1 # SPDX-License-Identifier: GPL-2.0-only
3 # RapidIO configuration
10 tristate "RapidIO support"
11 depends on HAVE_RAPIDIO || PCI
13 If you say Y here, the kernel will include drivers and
14 infrastructure code to support RapidIO interconnect devices.
16 source "drivers/rapidio/devices/Kconfig"
18 config RAPIDIO_DISC_TIMEOUT
19 int "Discovery timeout duration (seconds)"
23 Amount of time a discovery node waits for a host to complete
24 enumeration before giving up.
26 config RAPIDIO_ENABLE_RX_TX_PORTS
27 bool "Enable RapidIO Input/Output Ports"
30 The RapidIO specification describes a Output port transmit
31 enable and a Input port receive enable. The recommended state
32 for Input ports and Output ports should be disabled. When
33 this switch is set the RapidIO subsystem will enable all
34 ports for Input/Output direction to allow other traffic
35 than Maintenance transfers.
37 config RAPIDIO_DMA_ENGINE
38 bool "DMA Engine support for RapidIO"
43 Say Y here if you want to use DMA Engine frameork for RapidIO data
44 transfers to/from target RIO devices. RapidIO uses NREAD and
45 NWRITE (NWRITE_R, SWRITE) requests to transfer data between local
46 memory and memory on remote target device. You need a DMA controller
47 capable to perform data transfers to/from RapidIO.
49 If you are unsure about this, say Y here.
52 bool "RapidIO subsystem debug messages"
55 Say Y here if you want the RapidIO subsystem to produce a bunch of
56 debug messages to the system log. Select this if you are having a
57 problem with the RapidIO subsystem and want to see more of what is
60 If you are unsure about this, say N here.
62 config RAPIDIO_ENUM_BASIC
63 tristate "Basic Enumeration method"
66 This option includes basic RapidIO fabric enumeration and discovery
67 mechanism similar to one described in RapidIO specification Annex 1.
70 tristate "RapidIO Channelized Messaging driver"
73 This option includes RapidIO channelized messaging driver which
74 provides socket-like interface to allow sharing of single RapidIO
75 messaging mailbox between multiple user-space applications.
76 See "Documentation/driver-api/rapidio/rio_cm.rst" for driver description.
78 config RAPIDIO_MPORT_CDEV
79 tristate "RapidIO /dev mport device driver"
82 This option includes generic RapidIO mport device driver which
83 allows to user space applications to perform RapidIO-specific
84 operations through selected RapidIO mport.
86 menu "RapidIO Switch drivers"
89 source "drivers/rapidio/switches/Kconfig"