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c1abca96b2
The new bochs vbe sample fails to link when DMA_SHARED_BUFFER is
disabled:
ERROR: "dma_buf_export" [samples/vfio-mdev/mbochs.ko] undefined!
ERROR: "dma_buf_fd" [samples/vfio-mdev/mbochs.ko] undefined!
This uses a 'select' statement to enable that framework, like all
other users do.
Fixes: a5e6e6505f ("sample: vfio bochs vbe display (host device for bochs-drm)")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
156 lines
4.8 KiB
Plaintext
156 lines
4.8 KiB
Plaintext
menuconfig SAMPLES
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bool "Sample kernel code"
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help
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You can build and test sample kernel code here.
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if SAMPLES
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config SAMPLE_TRACE_EVENTS
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tristate "Build trace_events examples -- loadable modules only"
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depends on EVENT_TRACING && m
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help
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This build trace event example modules.
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config SAMPLE_TRACE_PRINTK
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tristate "Build trace_printk module - tests various trace_printk formats"
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depends on EVENT_TRACING && m
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help
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This builds a module that calls trace_printk() and can be used to
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test various trace_printk() calls from a module.
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config SAMPLE_KOBJECT
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tristate "Build kobject examples -- loadable modules only"
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depends on m
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help
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This config option will allow you to build a number of
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different kobject sample modules showing how to use kobjects,
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ksets, and ktypes properly.
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If in doubt, say "N" here.
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config SAMPLE_KPROBES
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tristate "Build kprobes examples -- loadable modules only"
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depends on KPROBES && m
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help
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This build several kprobes example modules.
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config SAMPLE_KRETPROBES
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tristate "Build kretprobes example -- loadable modules only"
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default m
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depends on SAMPLE_KPROBES && KRETPROBES
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config SAMPLE_HW_BREAKPOINT
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tristate "Build kernel hardware breakpoint examples -- loadable module only"
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depends on HAVE_HW_BREAKPOINT && m
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help
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This builds kernel hardware breakpoint example modules.
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config SAMPLE_KFIFO
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tristate "Build kfifo examples -- loadable modules only"
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depends on m
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help
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This config option will allow you to build a number of
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different kfifo sample modules showing how to use the
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generic kfifo API.
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If in doubt, say "N" here.
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config SAMPLE_KDB
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tristate "Build kdb command example -- loadable modules only"
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depends on KGDB_KDB && m
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help
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Build an example of how to dynamically add the hello
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command to the kdb shell.
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config SAMPLE_QMI_CLIENT
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tristate "Build qmi client sample -- loadable modules only"
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depends on m
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depends on ARCH_QCOM
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depends on NET
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select QCOM_QMI_HELPERS
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help
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Build an QMI client sample driver, which demonstrates how to
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communicate with a remote QRTR service, using QMI encoded messages.
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config SAMPLE_RPMSG_CLIENT
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tristate "Build rpmsg client sample -- loadable modules only"
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depends on RPMSG && m
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help
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Build an rpmsg client sample driver, which demonstrates how
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to communicate with an AMP-configured remote processor over
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the rpmsg bus.
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config SAMPLE_LIVEPATCH
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tristate "Build live patching samples -- loadable modules only"
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depends on LIVEPATCH && m
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help
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Build sample live patch demonstrations.
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config SAMPLE_CONFIGFS
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tristate "Build configfs patching sample -- loadable modules only"
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depends on CONFIGFS_FS && m
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help
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Builds a sample configfs interface.
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config SAMPLE_CONNECTOR
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tristate "Build connector sample -- loadable modules only"
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depends on CONNECTOR && m
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help
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When enabled, this builds both a sample kernel module for
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the connector interface and a user space tool to communicate
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with it.
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See also Documentation/connector/connector.txt
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config SAMPLE_SECCOMP
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tristate "Build seccomp sample code -- loadable modules only"
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depends on SECCOMP_FILTER && m
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help
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Build samples of seccomp filters using various methods of
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BPF filter construction.
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config SAMPLE_VFIO_MDEV_MTTY
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tristate "Build VFIO mtty example mediated device sample code -- loadable modules only"
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depends on VFIO_MDEV_DEVICE && m
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help
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Build a virtual tty sample driver for use as a VFIO
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mediated device
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config SAMPLE_VFIO_MDEV_MDPY
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tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only"
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depends on VFIO_MDEV_DEVICE && m
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help
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Build a virtual display sample driver for use as a VFIO
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mediated device. It is a simple framebuffer and supports
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the region display interface (VFIO_GFX_PLANE_TYPE_REGION).
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config SAMPLE_VFIO_MDEV_MDPY_FB
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tristate "Build VFIO mdpy example guest fbdev driver -- loadable module only"
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depends on FB && m
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select FB_CFB_FILLRECT
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select FB_CFB_COPYAREA
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select FB_CFB_IMAGEBLIT
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help
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Guest fbdev driver for the virtual display sample driver.
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config SAMPLE_VFIO_MDEV_MBOCHS
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tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only"
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depends on VFIO_MDEV_DEVICE && m
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select DMA_SHARED_BUFFER
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help
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Build a virtual display sample driver for use as a VFIO
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mediated device. It supports the region display interface
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(VFIO_GFX_PLANE_TYPE_DMABUF).
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Emulate enough of qemu stdvga to make bochs-drm.ko happy.
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That is basically the vram memory bar and the bochs dispi
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interface vbe registers in the mmio register bar.
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Specifically it does *not* include any legacy vga stuff.
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Device looks a lot like "qemu -device secondary-vga".
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config SAMPLE_STATX
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bool "Build example extended-stat using code"
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depends on BROKEN
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help
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Build example userspace program to use the new extended-stat syscall.
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endif # SAMPLES
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