xref: /openbmc/linux/samples/Kconfig (revision 89df62c3) 
1# SPDX-License-Identifier: GPL-2.0-only
2menuconfig SAMPLES
3	bool "Sample kernel code"
4	help
5	  You can build and test sample kernel code here.
6
7if SAMPLES
8
9config SAMPLE_AUXDISPLAY
10	bool "auxdisplay sample"
11	depends on CC_CAN_LINK
12
13config 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
19config 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
25config 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
32config 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
40config 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
49config 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
56config 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
63config 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
72config 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
78config SAMPLE_KRETPROBES
79	tristate "Build kretprobes example -- loadable modules only"
80	default m
81	depends on SAMPLE_KPROBES && KRETPROBES
82
83config 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
89config 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
96config 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
106config 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
113config 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
123config 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
131config 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
137config 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
143config 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
152config 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
161config SAMPLE_HIDRAW
162	bool "hidraw sample"
163	depends on CC_CAN_LINK && HEADERS_INSTALL
164
165config 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
172config SAMPLE_PIDFD
173	bool "pidfd sample"
174	depends on CC_CAN_LINK && HEADERS_INSTALL
175
176config 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
183config SAMPLE_TIMER
184	bool "Timer sample"
185	depends on CC_CAN_LINK && HEADERS_INSTALL
186
187config SAMPLE_UHID
188	bool "UHID sample"
189	depends on CC_CAN_LINK && HEADERS_INSTALL
190	help
191	  Build UHID sample program.
192
193config 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
201config 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
210config SAMPLE_VFIO_MDEV_MDPY_FB
211	tristate "Build VFIO mdpy example guest fbdev driver"
212	depends on FB
213	select FB_CFB_FILLRECT
214	select FB_CFB_COPYAREA
215	select FB_CFB_IMAGEBLIT
216	help
217	  Guest fbdev driver for the virtual display sample driver.
218
219config SAMPLE_VFIO_MDEV_MBOCHS
220	tristate "Build VFIO mbochs example mediated device sample code"
221	depends on VFIO
222	select VFIO_MDEV
223	select DMA_SHARED_BUFFER
224	help
225	  Build a virtual display sample driver for use as a VFIO
226	  mediated device.  It supports the region display interface
227	  (VFIO_GFX_PLANE_TYPE_DMABUF).
228	  Emulate enough of qemu stdvga to make bochs-drm.ko happy.
229	  That is basically the vram memory bar and the bochs dispi
230	  interface vbe registers in the mmio register bar.
231	  Specifically it does *not* include any legacy vga stuff.
232	  Device looks a lot like "qemu -device secondary-vga".
233
234config SAMPLE_ANDROID_BINDERFS
235	bool "Build Android binderfs example"
236	depends on CC_CAN_LINK && HEADERS_INSTALL
237	help
238	  Builds a sample program to illustrate the use of the Android binderfs
239	  filesystem.
240
241config SAMPLE_VFS
242	bool "Build example programs that use new VFS system calls"
243	depends on CC_CAN_LINK && HEADERS_INSTALL
244	help
245	  Build example userspace programs that use new VFS system calls such
246	  as mount API and statx().  Note that this is restricted to the x86
247	  arch whilst it accesses system calls that aren't yet in all arches.
248
249config SAMPLE_INTEL_MEI
250	bool "Build example program working with intel mei driver"
251	depends on INTEL_MEI
252	depends on CC_CAN_LINK && HEADERS_INSTALL
253	help
254	  Build a sample program to work with mei device.
255
256config SAMPLE_WATCHDOG
257	bool "watchdog sample"
258	depends on CC_CAN_LINK
259
260config SAMPLE_WATCH_QUEUE
261	bool "Build example watch_queue notification API consumer"
262	depends on CC_CAN_LINK && HEADERS_INSTALL
263	help
264	  Build example userspace program to use the new mount_notify(),
265	  sb_notify() syscalls and the KEYCTL_WATCH_KEY keyctl() function.
266
267config SAMPLE_CORESIGHT_SYSCFG
268	tristate "Build example loadable module for CoreSight config"
269	depends on CORESIGHT && m
270	help
271	  Build an example loadable module that adds new CoreSight features
272	  and configuration using the CoreSight system configuration API.
273	  This demonstrates how a user may create their own CoreSight
274	  configurations and easily load them into the system at runtime.
275
276config SAMPLE_KMEMLEAK
277        tristate "Simple test for the kernel memory leak detector"
278        depends on DEBUG_KMEMLEAK && m
279        help
280          Build a sample program which have explicitly leaks memory to test
281          kmemleak
282
283source "samples/rust/Kconfig"
284
285endif # SAMPLES
286
287config HAVE_SAMPLE_FTRACE_DIRECT
288	bool
289
290config HAVE_SAMPLE_FTRACE_DIRECT_MULTI
291	bool
292