samples/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 menuconfig SAMPLES
   3         bool "Sample kernel code"
   4         depends on !UML
   5         help
   6           You can build and test sample kernel code here.
   7
   8 if SAMPLES
   9
  10 config SAMPLE_TRACE_EVENTS
  11         tristate "Build trace_events examples -- loadable modules only"
  12         depends on EVENT_TRACING && m
  13         help
  14           This build trace event example modules.
  15
  16 config SAMPLE_TRACE_PRINTK
  17         tristate "Build trace_printk module - tests various trace_printk formats"
  18         depends on EVENT_TRACING && m
  19         help
  20          This builds a module that calls trace_printk() and can be used to
  21          test various trace_printk() calls from a module.
  22
  23 config SAMPLE_KOBJECT
  24         tristate "Build kobject examples"
  25         help
  26           This config option will allow you to build a number of
  27           different kobject sample modules showing how to use kobjects,
  28           ksets, and ktypes properly.
  29
  30           If in doubt, say "N" here.
  31
  32 config SAMPLE_KPROBES
  33         tristate "Build kprobes examples -- loadable modules only"
  34         depends on KPROBES && m
  35         help
  36           This build several kprobes example modules.
  37
  38 config SAMPLE_KRETPROBES
  39         tristate "Build kretprobes example -- loadable modules only"
  40         default m
  41         depends on SAMPLE_KPROBES && KRETPROBES
  42
  43 config SAMPLE_HW_BREAKPOINT
  44         tristate "Build kernel hardware breakpoint examples -- loadable module only"
  45         depends on HAVE_HW_BREAKPOINT && m
  46         help
  47           This builds kernel hardware breakpoint example modules.
  48
  49 config SAMPLE_KFIFO
  50         tristate "Build kfifo examples -- loadable modules only"
  51         depends on m
  52         help
  53           This config option will allow you to build a number of
  54           different kfifo sample modules showing how to use the
  55           generic kfifo API.
  56
  57           If in doubt, say "N" here.
  58
  59 config SAMPLE_KDB
  60         tristate "Build kdb command example -- loadable modules only"
  61         depends on KGDB_KDB && m
  62         help
  63           Build an example of how to dynamically add the hello
  64           command to the kdb shell.
  65
  66 config SAMPLE_QMI_CLIENT
  67         tristate "Build qmi client sample -- loadable modules only"
  68         depends on m
  69         depends on ARCH_QCOM
  70         depends on NET
  71         select QCOM_QMI_HELPERS
  72         help
  73           Build an QMI client sample driver, which demonstrates how to
  74           communicate with a remote QRTR service, using QMI encoded messages.
  75
  76 config SAMPLE_RPMSG_CLIENT
  77         tristate "Build rpmsg client sample -- loadable modules only"
  78         depends on RPMSG && m
  79         help
  80           Build an rpmsg client sample driver, which demonstrates how
  81           to communicate with an AMP-configured remote processor over
  82           the rpmsg bus.
  83
  84 config SAMPLE_LIVEPATCH
  85         tristate "Build live patching samples -- loadable modules only"
  86         depends on LIVEPATCH && m
  87         help
  88           Build sample live patch demonstrations.
  89
  90 config SAMPLE_CONFIGFS
  91         tristate "Build configfs patching sample -- loadable modules only"
  92         depends on CONFIGFS_FS && m
  93         help
  94           Builds a sample configfs interface.
  95
  96 config SAMPLE_CONNECTOR
  97         tristate "Build connector sample -- loadable modules only"
  98         depends on CONNECTOR && m
  99         help
 100           When enabled, this builds both a sample kernel module for
 101           the connector interface and a user space tool to communicate
 102           with it.
 103           See also Documentation/connector/connector.txt
 104
 105 config SAMPLE_SECCOMP
 106         bool "Build seccomp sample code"
 107         depends on SECCOMP_FILTER
 108         help
 109           Build samples of seccomp filters using various methods of
 110           BPF filter construction.
 111
 112 config SAMPLE_VFIO_MDEV_MTTY
 113         tristate "Build VFIO mtty example mediated device sample code -- loadable modules only"
 114         depends on VFIO_MDEV_DEVICE && m
 115         help
 116           Build a virtual tty sample driver for use as a VFIO
 117           mediated device
 118
 119 config SAMPLE_VFIO_MDEV_MDPY
 120         tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only"
 121         depends on VFIO_MDEV_DEVICE && m
 122         help
 123           Build a virtual display sample driver for use as a VFIO
 124           mediated device.  It is a simple framebuffer and supports
 125           the region display interface (VFIO_GFX_PLANE_TYPE_REGION).
 126
 127 config SAMPLE_VFIO_MDEV_MDPY_FB
 128         tristate "Build VFIO mdpy example guest fbdev driver -- loadable module only"
 129         depends on FB && m
 130         select FB_CFB_FILLRECT
 131         select FB_CFB_COPYAREA
 132         select FB_CFB_IMAGEBLIT
 133         help
 134           Guest fbdev driver for the virtual display sample driver.
 135
 136 config SAMPLE_VFIO_MDEV_MBOCHS
 137         tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only"
 138         depends on VFIO_MDEV_DEVICE && m
 139         select DMA_SHARED_BUFFER
 140         help
 141           Build a virtual display sample driver for use as a VFIO
 142           mediated device.  It supports the region display interface
 143           (VFIO_GFX_PLANE_TYPE_DMABUF).
 144           Emulate enough of qemu stdvga to make bochs-drm.ko happy.
 145           That is basically the vram memory bar and the bochs dispi
 146           interface vbe registers in the mmio register bar.
 147           Specifically it does *not* include any legacy vga stuff.
 148           Device looks a lot like "qemu -device secondary-vga".
 149
 150 config SAMPLE_ANDROID_BINDERFS
 151         bool "Build Android binderfs example"
 152         depends on CONFIG_ANDROID_BINDERFS
 153         help
 154           Builds a sample program to illustrate the use of the Android binderfs
 155           filesystem.
 156
 157 config SAMPLE_VFS
 158         bool "Build example programs that use new VFS system calls"
 159         help
 160           Build example userspace programs that use new VFS system calls such
 161           as mount API and statx().  Note that this is restricted to the x86
 162           arch whilst it accesses system calls that aren't yet in all arches.
 163
 164 endif # SAMPLES