# SPDX-License-Identifier: GPL-2.0-only

  menuconfig SAMPLES
  	bool "Sample kernel code"
  	help
  	  You can build and test sample kernel code here.
  
  if SAMPLES

  config SAMPLE_AUXDISPLAY
  	bool "auxdisplay sample"
  	depends on CC_CAN_LINK

  config SAMPLE_TRACE_EVENTS

  	tristate "Build trace_events examples -- loadable modules only"
  	depends on EVENT_TRACING && m

  	help
  	  This build trace event example modules.

  config SAMPLE_TRACE_PRINTK
          tristate "Build trace_printk module - tests various trace_printk formats"
  	depends on EVENT_TRACING && m
  	help
  	 This builds a module that calls trace_printk() and can be used to
  	 test various trace_printk() calls from a module.

  config SAMPLE_FTRACE_DIRECT
  	tristate "Build register_ftrace_direct() example"
  	depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m
  	depends on X86_64 # has x86_64 inlined asm
  	help
  	  This builds an ftrace direct function example
  	  that hooks to wake_up_process and prints the parameters.

  config SAMPLE_TRACE_ARRAY
          tristate "Build sample module for kernel access to Ftrace instancess"
  	depends on EVENT_TRACING && m
  	help
  	 This builds a module that demonstrates the use of various APIs to
  	 access Ftrace instances from within the kernel.

  config SAMPLE_KOBJECT

  	tristate "Build kobject examples"

  	help
  	  This config option will allow you to build a number of
  	  different kobject sample modules showing how to use kobjects,
  	  ksets, and ktypes properly.
  
  	  If in doubt, say "N" here.

  config SAMPLE_KPROBES
  	tristate "Build kprobes examples -- loadable modules only"
  	depends on KPROBES && m
  	help
  	  This build several kprobes example modules.
  
  config SAMPLE_KRETPROBES
  	tristate "Build kretprobes example -- loadable modules only"
  	default m
  	depends on SAMPLE_KPROBES && KRETPROBES

  config SAMPLE_HW_BREAKPOINT
  	tristate "Build kernel hardware breakpoint examples -- loadable module only"
  	depends on HAVE_HW_BREAKPOINT && m
  	help
  	  This builds kernel hardware breakpoint example modules.

  config SAMPLE_KFIFO
  	tristate "Build kfifo examples -- loadable modules only"
  	depends on m
  	help
  	  This config option will allow you to build a number of
  	  different kfifo sample modules showing how to use the
  	  generic kfifo API.
  
  	  If in doubt, say "N" here.

  config SAMPLE_KDB

  	tristate "Build kdb command example -- loadable modules only"

  	depends on KGDB_KDB && m
  	help
  	  Build an example of how to dynamically add the hello
  	  command to the kdb shell.

  config SAMPLE_QMI_CLIENT
  	tristate "Build qmi client sample -- loadable modules only"
  	depends on m
  	depends on ARCH_QCOM

  	depends on NET

  	select QCOM_QMI_HELPERS
  	help
  	  Build an QMI client sample driver, which demonstrates how to
  	  communicate with a remote QRTR service, using QMI encoded messages.

  config SAMPLE_RPMSG_CLIENT
  	tristate "Build rpmsg client sample -- loadable modules only"
  	depends on RPMSG && m
  	help
  	  Build an rpmsg client sample driver, which demonstrates how
  	  to communicate with an AMP-configured remote processor over
  	  the rpmsg bus.

  config SAMPLE_LIVEPATCH

  	tristate "Build live patching samples -- loadable modules only"

  	depends on LIVEPATCH && m

  	help

  	  Build sample live patch demonstrations.

  config SAMPLE_CONFIGFS
  	tristate "Build configfs patching sample -- loadable modules only"
  	depends on CONFIGFS_FS && m
  	help
  	  Builds a sample configfs interface.

  config SAMPLE_CONNECTOR
  	tristate "Build connector sample -- loadable modules only"

  	depends on CONNECTOR && HEADERS_INSTALL && m

  	help
  	  When enabled, this builds both a sample kernel module for
  	  the connector interface and a user space tool to communicate
  	  with it.

  	  See also Documentation/driver-api/connector.rst

  config SAMPLE_HIDRAW
  	bool "hidraw sample"

  	depends on CC_CAN_LINK && HEADERS_INSTALL

  
  config SAMPLE_PIDFD
  	bool "pidfd sample"

  	depends on CC_CAN_LINK && HEADERS_INSTALL

  config SAMPLE_SECCOMP

  	bool "Build seccomp sample code"

  	depends on SECCOMP_FILTER && CC_CAN_LINK && HEADERS_INSTALL

  	help
  	  Build samples of seccomp filters using various methods of
  	  BPF filter construction.

  config SAMPLE_TIMER
  	bool "Timer sample"
  	depends on CC_CAN_LINK && HEADERS_INSTALL

  config SAMPLE_UHID
  	bool "UHID sample"
  	depends on CC_CAN_LINK && HEADERS_INSTALL
  	help
  	  Build UHID sample program.

  config SAMPLE_VFIO_MDEV_MTTY
  	tristate "Build VFIO mtty example mediated device sample code -- loadable modules only"
  	depends on VFIO_MDEV_DEVICE && m
  	help
  	  Build a virtual tty sample driver for use as a VFIO
  	  mediated device

  config SAMPLE_VFIO_MDEV_MDPY
  	tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only"
  	depends on VFIO_MDEV_DEVICE && m
  	help
  	  Build a virtual display sample driver for use as a VFIO
  	  mediated device.  It is a simple framebuffer and supports
  	  the region display interface (VFIO_GFX_PLANE_TYPE_REGION).

  config SAMPLE_VFIO_MDEV_MDPY_FB
  	tristate "Build VFIO mdpy example guest fbdev driver -- loadable module only"
  	depends on FB && m
  	select FB_CFB_FILLRECT
  	select FB_CFB_COPYAREA
  	select FB_CFB_IMAGEBLIT
  	help
  	  Guest fbdev driver for the virtual display sample driver.

  config SAMPLE_VFIO_MDEV_MBOCHS
  	tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only"
  	depends on VFIO_MDEV_DEVICE && m

  	select DMA_SHARED_BUFFER

  	help
  	  Build a virtual display sample driver for use as a VFIO
  	  mediated device.  It supports the region display interface
  	  (VFIO_GFX_PLANE_TYPE_DMABUF).
  	  Emulate enough of qemu stdvga to make bochs-drm.ko happy.
  	  That is basically the vram memory bar and the bochs dispi
  	  interface vbe registers in the mmio register bar.
  	  Specifically it does *not* include any legacy vga stuff.
  	  Device looks a lot like "qemu -device secondary-vga".

  config SAMPLE_ANDROID_BINDERFS
  	bool "Build Android binderfs example"

  	depends on CC_CAN_LINK && HEADERS_INSTALL

  	help
  	  Builds a sample program to illustrate the use of the Android binderfs
  	  filesystem.

  config SAMPLE_VFS
  	bool "Build example programs that use new VFS system calls"

  	depends on CC_CAN_LINK && HEADERS_INSTALL

  	help

  	  Build example userspace programs that use new VFS system calls such
  	  as mount API and statx().  Note that this is restricted to the x86
  	  arch whilst it accesses system calls that aren't yet in all arches.

  config SAMPLE_INTEL_MEI
  	bool "Build example program working with intel mei driver"
  	depends on INTEL_MEI

  	depends on CC_CAN_LINK && HEADERS_INSTALL

  	help
  	  Build a sample program to work with mei device.

  config SAMPLE_WATCHDOG
  	bool "watchdog sample"
  	depends on CC_CAN_LINK

  config SAMPLE_WATCH_QUEUE
  	bool "Build example /dev/watch_queue notification consumer"

  	depends on CC_CAN_LINK && HEADERS_INSTALL

  	help
  	  Build example userspace program to use the new mount_notify(),
  	  sb_notify() syscalls and the KEYCTL_WATCH_KEY keyctl() function.

  endif # SAMPLES