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TOMOYO Linux Cross Reference
Linux/samples/Kconfig

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  1 # SPDX-License-Identifier: GPL-2.0-only
  2 menuconfig SAMPLES
  3         bool "Sample kernel code"
  4         help
  5           You can build and test sample kernel code here.
  6 
  7 if SAMPLES
  8 
  9 config SAMPLE_AUXDISPLAY
 10         bool "auxdisplay sample"
 11         depends on CC_CAN_LINK
 12 
 13 config SAMPLE_TRACE_EVENTS
 14         tristate "Build trace_events examples -- loadable modules only"
 15         depends on EVENT_TRACING && m
 16         help
 17           This builds the trace event example module.
 18 
 19 config SAMPLE_TRACE_CUSTOM_EVENTS
 20         tristate "Build custom trace event example -- loadable modules only"
 21         depends on EVENT_TRACING && m
 22         help
 23           This builds the custom trace event example module.
 24 
 25 config SAMPLE_TRACE_PRINTK
 26         tristate "Build trace_printk module - tests various trace_printk formats"
 27         depends on EVENT_TRACING && m
 28         help
 29          This builds a module that calls trace_printk() and can be used to
 30          test various trace_printk() calls from a module.
 31 
 32 config SAMPLE_FTRACE_DIRECT
 33         tristate "Build register_ftrace_direct() example"
 34         depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m
 35         depends on HAVE_SAMPLE_FTRACE_DIRECT
 36         help
 37           This builds an ftrace direct function example
 38           that hooks to wake_up_process and prints the parameters.
 39 
 40 config SAMPLE_FTRACE_DIRECT_MULTI
 41         tristate "Build register_ftrace_direct() on multiple ips example"
 42         depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m
 43         depends on HAVE_SAMPLE_FTRACE_DIRECT_MULTI
 44         help
 45           This builds an ftrace direct function example
 46           that hooks to wake_up_process and schedule, and prints
 47           the function addresses.
 48 
 49 config SAMPLE_FTRACE_OPS
 50         tristate "Build custom ftrace ops example"
 51         depends on FUNCTION_TRACER
 52         help
 53           This builds an ftrace ops example that hooks two functions and
 54           measures the time taken to invoke one function a number of times.
 55 
 56 config SAMPLE_TRACE_ARRAY
 57         tristate "Build sample module for kernel access to Ftrace instancess"
 58         depends on EVENT_TRACING && m
 59         help
 60          This builds a module that demonstrates the use of various APIs to
 61          access Ftrace instances from within the kernel.
 62 
 63 config SAMPLE_KOBJECT
 64         tristate "Build kobject examples"
 65         help
 66           This config option will allow you to build a number of
 67           different kobject sample modules showing how to use kobjects,
 68           ksets, and ktypes properly.
 69 
 70           If in doubt, say "N" here.
 71 
 72 config SAMPLE_KPROBES
 73         tristate "Build kprobes examples -- loadable modules only"
 74         depends on KPROBES && m
 75         help
 76           This build several kprobes example modules.
 77 
 78 config SAMPLE_KRETPROBES
 79         tristate "Build kretprobes example -- loadable modules only"
 80         default m
 81         depends on SAMPLE_KPROBES && KRETPROBES
 82 
 83 config SAMPLE_HW_BREAKPOINT
 84         tristate "Build kernel hardware breakpoint examples -- loadable module only"
 85         depends on HAVE_HW_BREAKPOINT && m
 86         help
 87           This builds kernel hardware breakpoint example modules.
 88 
 89 config SAMPLE_FPROBE
 90         tristate "Build fprobe examples -- loadable modules only"
 91         depends on FPROBE && m
 92         help
 93           This builds a fprobe example module. This module has an option 'symbol'.
 94           You can specify a probed symbol or symbols separated with ','.
 95 
 96 config SAMPLE_KFIFO
 97         tristate "Build kfifo examples -- loadable modules only"
 98         depends on m
 99         help
100           This config option will allow you to build a number of
101           different kfifo sample modules showing how to use the
102           generic kfifo API.
103 
104           If in doubt, say "N" here.
105 
106 config SAMPLE_KDB
107         tristate "Build kdb command example -- loadable modules only"
108         depends on KGDB_KDB && m
109         help
110           Build an example of how to dynamically add the hello
111           command to the kdb shell.
112 
113 config SAMPLE_QMI_CLIENT
114         tristate "Build qmi client sample -- loadable modules only"
115         depends on m
116         depends on ARCH_QCOM
117         depends on NET
118         select QCOM_QMI_HELPERS
119         help
120           Build an QMI client sample driver, which demonstrates how to
121           communicate with a remote QRTR service, using QMI encoded messages.
122 
123 config SAMPLE_RPMSG_CLIENT
124         tristate "Build rpmsg client sample -- loadable modules only"
125         depends on RPMSG && m
126         help
127           Build an rpmsg client sample driver, which demonstrates how
128           to communicate with an AMP-configured remote processor over
129           the rpmsg bus.
130 
131 config SAMPLE_LIVEPATCH
132         tristate "Build live patching samples -- loadable modules only"
133         depends on LIVEPATCH && m
134         help
135           Build sample live patch demonstrations.
136 
137 config SAMPLE_CONFIGFS
138         tristate "Build configfs patching sample -- loadable modules only"
139         depends on CONFIGFS_FS && m
140         help
141           Builds a sample configfs interface.
142 
143 config SAMPLE_CONNECTOR
144         tristate "Build connector sample -- loadable modules only"
145         depends on CONNECTOR && HEADERS_INSTALL && m
146         help
147           When enabled, this builds both a sample kernel module for
148           the connector interface and a user space tool to communicate
149           with it.
150           See also Documentation/driver-api/connector.rst
151 
152 config SAMPLE_FANOTIFY_ERROR
153         bool "Build fanotify error monitoring sample"
154         depends on FANOTIFY && CC_CAN_LINK && HEADERS_INSTALL
155         help
156           When enabled, this builds an example code that uses the
157           FAN_FS_ERROR fanotify mechanism to monitor filesystem
158           errors.
159           See also Documentation/admin-guide/filesystem-monitoring.rst.
160 
161 config SAMPLE_HIDRAW
162         bool "hidraw sample"
163         depends on CC_CAN_LINK && HEADERS_INSTALL
164 
165 config SAMPLE_LANDLOCK
166         bool "Landlock example"
167         depends on CC_CAN_LINK && HEADERS_INSTALL
168         help
169           Build a simple Landlock sandbox manager able to start a process
170           restricted by a user-defined filesystem access control policy.
171 
172 config SAMPLE_PIDFD
173         bool "pidfd sample"
174         depends on CC_CAN_LINK && HEADERS_INSTALL
175 
176 config SAMPLE_SECCOMP
177         bool "Build seccomp sample code"
178         depends on SECCOMP_FILTER && CC_CAN_LINK && HEADERS_INSTALL
179         help
180           Build samples of seccomp filters using various methods of
181           BPF filter construction.
182 
183 config SAMPLE_TIMER
184         bool "Timer sample"
185         depends on CC_CAN_LINK && HEADERS_INSTALL
186 
187 config SAMPLE_UHID
188         bool "UHID sample"
189         depends on CC_CAN_LINK && HEADERS_INSTALL
190         help
191           Build UHID sample program.
192 
193 config SAMPLE_VFIO_MDEV_MTTY
194         tristate "Build VFIO mtty example mediated device sample code"
195         depends on VFIO
196         select VFIO_MDEV
197         help
198           Build a virtual tty sample driver for use as a VFIO
199           mediated device
200 
201 config SAMPLE_VFIO_MDEV_MDPY
202         tristate "Build VFIO mdpy example mediated device sample code"
203         depends on VFIO
204         select VFIO_MDEV
205         help
206           Build a virtual display sample driver for use as a VFIO
207           mediated device.  It is a simple framebuffer and supports
208           the region display interface (VFIO_GFX_PLANE_TYPE_REGION).
209 
210 config SAMPLE_VFIO_MDEV_MDPY_FB
211         tristate "Build VFIO mdpy example guest fbdev driver"
212         depends on FB
213         select FB_IOMEM_HELPERS
214         help
215           Guest fbdev driver for the virtual display sample driver.
216 
217 config SAMPLE_VFIO_MDEV_MBOCHS
218         tristate "Build VFIO mbochs example mediated device sample code"
219         depends on VFIO
220         select VFIO_MDEV
221         select DMA_SHARED_BUFFER
222         help
223           Build a virtual display sample driver for use as a VFIO
224           mediated device.  It supports the region display interface
225           (VFIO_GFX_PLANE_TYPE_DMABUF).
226           Emulate enough of qemu stdvga to make bochs-drm.ko happy.
227           That is basically the vram memory bar and the bochs dispi
228           interface vbe registers in the mmio register bar.
229           Specifically it does *not* include any legacy vga stuff.
230           Device looks a lot like "qemu -device secondary-vga".
231 
232 config SAMPLE_ANDROID_BINDERFS
233         bool "Build Android binderfs example"
234         depends on CC_CAN_LINK && HEADERS_INSTALL
235         help
236           Builds a sample program to illustrate the use of the Android binderfs
237           filesystem.
238 
239 config SAMPLE_VFS
240         bool "Build example programs that use new VFS system calls"
241         depends on CC_CAN_LINK && HEADERS_INSTALL
242         help
243           Build example userspace programs that use new VFS system calls such
244           as mount API and statx().  Note that this is restricted to the x86
245           arch whilst it accesses system calls that aren't yet in all arches.
246 
247 config SAMPLE_INTEL_MEI
248         bool "Build example program working with intel mei driver"
249         depends on INTEL_MEI
250         depends on CC_CAN_LINK && HEADERS_INSTALL
251         help
252           Build a sample program to work with mei device.
253 
254 config SAMPLE_TPS6594_PFSM
255         bool "Build example program working with TPS6594 PFSM driver"
256         depends on HEADERS_INSTALL
257         depends on CC_CAN_LINK
258         help
259           Build a sample program to work with PFSM devices.
260 
261 config SAMPLE_WATCHDOG
262         bool "watchdog sample"
263         depends on CC_CAN_LINK
264 
265 config SAMPLE_WATCH_QUEUE
266         bool "Build example watch_queue notification API consumer"
267         depends on CC_CAN_LINK && HEADERS_INSTALL
268         help
269           Build example userspace program to use the new mount_notify(),
270           sb_notify() syscalls and the KEYCTL_WATCH_KEY keyctl() function.
271 
272 config SAMPLE_CORESIGHT_SYSCFG
273         tristate "Build example loadable module for CoreSight config"
274         depends on CORESIGHT && m
275         help
276           Build an example loadable module that adds new CoreSight features
277           and configuration using the CoreSight system configuration API.
278           This demonstrates how a user may create their own CoreSight
279           configurations and easily load them into the system at runtime.
280 
281 config SAMPLE_KMEMLEAK
282         tristate "Simple test for the kernel memory leak detector"
283         depends on DEBUG_KMEMLEAK && m
284         help
285           Build a sample program which have explicitly leaks memory to test
286           kmemleak
287 
288 config SAMPLE_CGROUP
289         bool "Build cgroup sample code"
290         depends on CGROUPS && CC_CAN_LINK && HEADERS_INSTALL
291         help
292           Build samples that demonstrate the usage of the cgroup API.
293 
294 source "samples/rust/Kconfig"
295 
296 endif # SAMPLES
297 
298 config HAVE_SAMPLE_FTRACE_DIRECT
299         bool
300 
301 config HAVE_SAMPLE_FTRACE_DIRECT_MULTI
302         bool

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