1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only 2 menuconfig SAMPLES 2 menuconfig SAMPLES 3 bool "Sample kernel code" 3 bool "Sample kernel code" 4 help 4 help 5 You can build and test sample kernel 5 You can build and test sample kernel code here. 6 6 7 if SAMPLES 7 if SAMPLES 8 8 9 config SAMPLE_AUXDISPLAY 9 config SAMPLE_AUXDISPLAY 10 bool "auxdisplay sample" 10 bool "auxdisplay sample" 11 depends on CC_CAN_LINK 11 depends on CC_CAN_LINK 12 12 13 config SAMPLE_TRACE_EVENTS 13 config SAMPLE_TRACE_EVENTS 14 tristate "Build trace_events examples 14 tristate "Build trace_events examples -- loadable modules only" 15 depends on EVENT_TRACING && m 15 depends on EVENT_TRACING && m 16 help 16 help 17 This builds the trace event example !! 17 This build trace event example modules. 18 << 19 config SAMPLE_TRACE_CUSTOM_EVENTS << 20 tristate "Build custom trace event exa << 21 depends on EVENT_TRACING && m << 22 help << 23 This builds the custom trace event e << 24 18 25 config SAMPLE_TRACE_PRINTK 19 config SAMPLE_TRACE_PRINTK 26 tristate "Build trace_printk module - 20 tristate "Build trace_printk module - tests various trace_printk formats" 27 depends on EVENT_TRACING && m 21 depends on EVENT_TRACING && m 28 help 22 help 29 This builds a module that calls trace 23 This builds a module that calls trace_printk() and can be used to 30 test various trace_printk() calls fro 24 test various trace_printk() calls from a module. 31 25 32 config SAMPLE_FTRACE_DIRECT 26 config SAMPLE_FTRACE_DIRECT 33 tristate "Build register_ftrace_direct 27 tristate "Build register_ftrace_direct() example" 34 depends on DYNAMIC_FTRACE_WITH_DIRECT_ 28 depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m 35 depends on HAVE_SAMPLE_FTRACE_DIRECT !! 29 depends on X86_64 # has x86_64 inlined asm 36 help 30 help 37 This builds an ftrace direct functio 31 This builds an ftrace direct function example 38 that hooks to wake_up_process and pr 32 that hooks to wake_up_process and prints the parameters. 39 33 40 config SAMPLE_FTRACE_DIRECT_MULTI << 41 tristate "Build register_ftrace_direct << 42 depends on DYNAMIC_FTRACE_WITH_DIRECT_ << 43 depends on HAVE_SAMPLE_FTRACE_DIRECT_M << 44 help << 45 This builds an ftrace direct functio << 46 that hooks to wake_up_process and sc << 47 the function addresses. << 48 << 49 config SAMPLE_FTRACE_OPS << 50 tristate "Build custom ftrace ops exam << 51 depends on FUNCTION_TRACER << 52 help << 53 This builds an ftrace ops example th << 54 measures the time taken to invoke on << 55 << 56 config SAMPLE_TRACE_ARRAY 34 config SAMPLE_TRACE_ARRAY 57 tristate "Build sample module for kern 35 tristate "Build sample module for kernel access to Ftrace instancess" 58 depends on EVENT_TRACING && m 36 depends on EVENT_TRACING && m 59 help 37 help 60 This builds a module that demonstrate 38 This builds a module that demonstrates the use of various APIs to 61 access Ftrace instances from within t 39 access Ftrace instances from within the kernel. 62 40 63 config SAMPLE_KOBJECT 41 config SAMPLE_KOBJECT 64 tristate "Build kobject examples" 42 tristate "Build kobject examples" 65 help 43 help 66 This config option will allow you to 44 This config option will allow you to build a number of 67 different kobject sample modules sho 45 different kobject sample modules showing how to use kobjects, 68 ksets, and ktypes properly. 46 ksets, and ktypes properly. 69 47 70 If in doubt, say "N" here. 48 If in doubt, say "N" here. 71 49 72 config SAMPLE_KPROBES 50 config SAMPLE_KPROBES 73 tristate "Build kprobes examples -- lo 51 tristate "Build kprobes examples -- loadable modules only" 74 depends on KPROBES && m 52 depends on KPROBES && m 75 help 53 help 76 This build several kprobes example m 54 This build several kprobes example modules. 77 55 78 config SAMPLE_KRETPROBES 56 config SAMPLE_KRETPROBES 79 tristate "Build kretprobes example -- 57 tristate "Build kretprobes example -- loadable modules only" 80 default m 58 default m 81 depends on SAMPLE_KPROBES && KRETPROBE 59 depends on SAMPLE_KPROBES && KRETPROBES 82 60 83 config SAMPLE_HW_BREAKPOINT 61 config SAMPLE_HW_BREAKPOINT 84 tristate "Build kernel hardware breakp 62 tristate "Build kernel hardware breakpoint examples -- loadable module only" 85 depends on HAVE_HW_BREAKPOINT && m 63 depends on HAVE_HW_BREAKPOINT && m 86 help 64 help 87 This builds kernel hardware breakpoi 65 This builds kernel hardware breakpoint example modules. 88 66 89 config SAMPLE_FPROBE << 90 tristate "Build fprobe examples -- loa << 91 depends on FPROBE && m << 92 help << 93 This builds a fprobe example module. << 94 You can specify a probed symbol or s << 95 << 96 config SAMPLE_KFIFO 67 config SAMPLE_KFIFO 97 tristate "Build kfifo examples -- load 68 tristate "Build kfifo examples -- loadable modules only" 98 depends on m 69 depends on m 99 help 70 help 100 This config option will allow you to 71 This config option will allow you to build a number of 101 different kfifo sample modules showi 72 different kfifo sample modules showing how to use the 102 generic kfifo API. 73 generic kfifo API. 103 74 104 If in doubt, say "N" here. 75 If in doubt, say "N" here. 105 76 106 config SAMPLE_KDB 77 config SAMPLE_KDB 107 tristate "Build kdb command example -- 78 tristate "Build kdb command example -- loadable modules only" 108 depends on KGDB_KDB && m 79 depends on KGDB_KDB && m 109 help 80 help 110 Build an example of how to dynamical 81 Build an example of how to dynamically add the hello 111 command to the kdb shell. 82 command to the kdb shell. 112 83 113 config SAMPLE_QMI_CLIENT 84 config SAMPLE_QMI_CLIENT 114 tristate "Build qmi client sample -- l 85 tristate "Build qmi client sample -- loadable modules only" 115 depends on m 86 depends on m 116 depends on ARCH_QCOM 87 depends on ARCH_QCOM 117 depends on NET 88 depends on NET 118 select QCOM_QMI_HELPERS 89 select QCOM_QMI_HELPERS 119 help 90 help 120 Build an QMI client sample driver, w 91 Build an QMI client sample driver, which demonstrates how to 121 communicate with a remote QRTR servi 92 communicate with a remote QRTR service, using QMI encoded messages. 122 93 123 config SAMPLE_RPMSG_CLIENT 94 config SAMPLE_RPMSG_CLIENT 124 tristate "Build rpmsg client sample -- 95 tristate "Build rpmsg client sample -- loadable modules only" 125 depends on RPMSG && m 96 depends on RPMSG && m 126 help 97 help 127 Build an rpmsg client sample driver, 98 Build an rpmsg client sample driver, which demonstrates how 128 to communicate with an AMP-configure 99 to communicate with an AMP-configured remote processor over 129 the rpmsg bus. 100 the rpmsg bus. 130 101 131 config SAMPLE_LIVEPATCH 102 config SAMPLE_LIVEPATCH 132 tristate "Build live patching samples 103 tristate "Build live patching samples -- loadable modules only" 133 depends on LIVEPATCH && m 104 depends on LIVEPATCH && m 134 help 105 help 135 Build sample live patch demonstratio 106 Build sample live patch demonstrations. 136 107 137 config SAMPLE_CONFIGFS 108 config SAMPLE_CONFIGFS 138 tristate "Build configfs patching samp 109 tristate "Build configfs patching sample -- loadable modules only" 139 depends on CONFIGFS_FS && m 110 depends on CONFIGFS_FS && m 140 help 111 help 141 Builds a sample configfs interface. 112 Builds a sample configfs interface. 142 113 143 config SAMPLE_CONNECTOR 114 config SAMPLE_CONNECTOR 144 tristate "Build connector sample -- lo 115 tristate "Build connector sample -- loadable modules only" 145 depends on CONNECTOR && HEADERS_INSTAL 116 depends on CONNECTOR && HEADERS_INSTALL && m 146 help 117 help 147 When enabled, this builds both a sam 118 When enabled, this builds both a sample kernel module for 148 the connector interface and a user s 119 the connector interface and a user space tool to communicate 149 with it. 120 with it. 150 See also Documentation/driver-api/co 121 See also Documentation/driver-api/connector.rst 151 122 152 config SAMPLE_FANOTIFY_ERROR << 153 bool "Build fanotify error monitoring << 154 depends on FANOTIFY && CC_CAN_LINK && << 155 help << 156 When enabled, this builds an example << 157 FAN_FS_ERROR fanotify mechanism to m << 158 errors. << 159 See also Documentation/admin-guide/f << 160 << 161 config SAMPLE_HIDRAW 123 config SAMPLE_HIDRAW 162 bool "hidraw sample" 124 bool "hidraw sample" 163 depends on CC_CAN_LINK && HEADERS_INST 125 depends on CC_CAN_LINK && HEADERS_INSTALL 164 126 165 config SAMPLE_LANDLOCK << 166 bool "Landlock example" << 167 depends on CC_CAN_LINK && HEADERS_INST << 168 help << 169 Build a simple Landlock sandbox mana << 170 restricted by a user-defined filesys << 171 << 172 config SAMPLE_PIDFD 127 config SAMPLE_PIDFD 173 bool "pidfd sample" 128 bool "pidfd sample" 174 depends on CC_CAN_LINK && HEADERS_INST 129 depends on CC_CAN_LINK && HEADERS_INSTALL 175 130 176 config SAMPLE_SECCOMP 131 config SAMPLE_SECCOMP 177 bool "Build seccomp sample code" 132 bool "Build seccomp sample code" 178 depends on SECCOMP_FILTER && CC_CAN_LI 133 depends on SECCOMP_FILTER && CC_CAN_LINK && HEADERS_INSTALL 179 help 134 help 180 Build samples of seccomp filters usi 135 Build samples of seccomp filters using various methods of 181 BPF filter construction. 136 BPF filter construction. 182 137 183 config SAMPLE_TIMER 138 config SAMPLE_TIMER 184 bool "Timer sample" 139 bool "Timer sample" 185 depends on CC_CAN_LINK && HEADERS_INST 140 depends on CC_CAN_LINK && HEADERS_INSTALL 186 141 187 config SAMPLE_UHID 142 config SAMPLE_UHID 188 bool "UHID sample" 143 bool "UHID sample" 189 depends on CC_CAN_LINK && HEADERS_INST 144 depends on CC_CAN_LINK && HEADERS_INSTALL 190 help 145 help 191 Build UHID sample program. 146 Build UHID sample program. 192 147 193 config SAMPLE_VFIO_MDEV_MTTY 148 config SAMPLE_VFIO_MDEV_MTTY 194 tristate "Build VFIO mtty example medi !! 149 tristate "Build VFIO mtty example mediated device sample code -- loadable modules only" 195 depends on VFIO !! 150 depends on VFIO_MDEV_DEVICE && m 196 select VFIO_MDEV << 197 help 151 help 198 Build a virtual tty sample driver fo 152 Build a virtual tty sample driver for use as a VFIO 199 mediated device 153 mediated device 200 154 201 config SAMPLE_VFIO_MDEV_MDPY 155 config SAMPLE_VFIO_MDEV_MDPY 202 tristate "Build VFIO mdpy example medi !! 156 tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only" 203 depends on VFIO !! 157 depends on VFIO_MDEV_DEVICE && m 204 select VFIO_MDEV << 205 help 158 help 206 Build a virtual display sample drive 159 Build a virtual display sample driver for use as a VFIO 207 mediated device. It is a simple fra 160 mediated device. It is a simple framebuffer and supports 208 the region display interface (VFIO_G 161 the region display interface (VFIO_GFX_PLANE_TYPE_REGION). 209 162 210 config SAMPLE_VFIO_MDEV_MDPY_FB 163 config SAMPLE_VFIO_MDEV_MDPY_FB 211 tristate "Build VFIO mdpy example gues !! 164 tristate "Build VFIO mdpy example guest fbdev driver -- loadable module only" 212 depends on FB !! 165 depends on FB && m 213 select FB_IOMEM_HELPERS !! 166 select FB_CFB_FILLRECT >> 167 select FB_CFB_COPYAREA >> 168 select FB_CFB_IMAGEBLIT 214 help 169 help 215 Guest fbdev driver for the virtual d 170 Guest fbdev driver for the virtual display sample driver. 216 171 217 config SAMPLE_VFIO_MDEV_MBOCHS 172 config SAMPLE_VFIO_MDEV_MBOCHS 218 tristate "Build VFIO mbochs example me !! 173 tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only" 219 depends on VFIO !! 174 depends on VFIO_MDEV_DEVICE && m 220 select VFIO_MDEV << 221 select DMA_SHARED_BUFFER 175 select DMA_SHARED_BUFFER 222 help 176 help 223 Build a virtual display sample drive 177 Build a virtual display sample driver for use as a VFIO 224 mediated device. It supports the re 178 mediated device. It supports the region display interface 225 (VFIO_GFX_PLANE_TYPE_DMABUF). 179 (VFIO_GFX_PLANE_TYPE_DMABUF). 226 Emulate enough of qemu stdvga to mak 180 Emulate enough of qemu stdvga to make bochs-drm.ko happy. 227 That is basically the vram memory ba 181 That is basically the vram memory bar and the bochs dispi 228 interface vbe registers in the mmio 182 interface vbe registers in the mmio register bar. 229 Specifically it does *not* include a 183 Specifically it does *not* include any legacy vga stuff. 230 Device looks a lot like "qemu -devic 184 Device looks a lot like "qemu -device secondary-vga". 231 185 232 config SAMPLE_ANDROID_BINDERFS 186 config SAMPLE_ANDROID_BINDERFS 233 bool "Build Android binderfs example" 187 bool "Build Android binderfs example" 234 depends on CC_CAN_LINK && HEADERS_INST 188 depends on CC_CAN_LINK && HEADERS_INSTALL 235 help 189 help 236 Builds a sample program to illustrat 190 Builds a sample program to illustrate the use of the Android binderfs 237 filesystem. 191 filesystem. 238 192 239 config SAMPLE_VFS 193 config SAMPLE_VFS 240 bool "Build example programs that use 194 bool "Build example programs that use new VFS system calls" 241 depends on CC_CAN_LINK && HEADERS_INST 195 depends on CC_CAN_LINK && HEADERS_INSTALL 242 help 196 help 243 Build example userspace programs tha 197 Build example userspace programs that use new VFS system calls such 244 as mount API and statx(). Note that 198 as mount API and statx(). Note that this is restricted to the x86 245 arch whilst it accesses system calls 199 arch whilst it accesses system calls that aren't yet in all arches. 246 200 247 config SAMPLE_INTEL_MEI 201 config SAMPLE_INTEL_MEI 248 bool "Build example program working wi 202 bool "Build example program working with intel mei driver" 249 depends on INTEL_MEI 203 depends on INTEL_MEI 250 depends on CC_CAN_LINK && HEADERS_INST 204 depends on CC_CAN_LINK && HEADERS_INSTALL 251 help 205 help 252 Build a sample program to work with 206 Build a sample program to work with mei device. 253 207 254 config SAMPLE_TPS6594_PFSM << 255 bool "Build example program working wi << 256 depends on HEADERS_INSTALL << 257 depends on CC_CAN_LINK << 258 help << 259 Build a sample program to work with << 260 << 261 config SAMPLE_WATCHDOG 208 config SAMPLE_WATCHDOG 262 bool "watchdog sample" 209 bool "watchdog sample" 263 depends on CC_CAN_LINK 210 depends on CC_CAN_LINK 264 211 265 config SAMPLE_WATCH_QUEUE 212 config SAMPLE_WATCH_QUEUE 266 bool "Build example watch_queue notifi !! 213 bool "Build example /dev/watch_queue notification consumer" 267 depends on CC_CAN_LINK && HEADERS_INST 214 depends on CC_CAN_LINK && HEADERS_INSTALL 268 help 215 help 269 Build example userspace program to u 216 Build example userspace program to use the new mount_notify(), 270 sb_notify() syscalls and the KEYCTL_ 217 sb_notify() syscalls and the KEYCTL_WATCH_KEY keyctl() function. 271 218 272 config SAMPLE_CORESIGHT_SYSCFG << 273 tristate "Build example loadable modul << 274 depends on CORESIGHT && m << 275 help << 276 Build an example loadable module tha << 277 and configuration using the CoreSigh << 278 This demonstrates how a user may cre << 279 configurations and easily load them << 280 << 281 config SAMPLE_KMEMLEAK << 282 tristate "Simple test for the kernel m << 283 depends on DEBUG_KMEMLEAK && m << 284 help << 285 Build a sample program which have ex << 286 kmemleak << 287 << 288 config SAMPLE_CGROUP << 289 bool "Build cgroup sample code" << 290 depends on CGROUPS && CC_CAN_LINK && H << 291 help << 292 Build samples that demonstrate the u << 293 << 294 source "samples/rust/Kconfig" << 295 << 296 endif # SAMPLES 219 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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