7bd1d4093c
A System Trace Module (STM) is a device exporting data in System Trace Protocol (STP) format as defined by MIPI STP standards. Examples of such devices are Intel(R) Trace Hub and Coresight STM. This abstraction provides a unified interface for software trace sources to send their data over an STM device to a debug host. In order to do that, such a trace source needs to be assigned a pair of master/channel identifiers that all the data from this source will be tagged with. The STP decoder on the debug host side will use these master/channel tags to distinguish different trace streams from one another inside one STP stream. This abstraction provides a configfs-based policy management mechanism for dynamic allocation of these master/channel pairs based on trace source-supplied string identifier. It has the flexibility of being defined at runtime and at the same time (provided that the policy definition is aligned with the decoding end) consistency. For userspace trace sources, this abstraction provides write()-based and mmap()-based (if the underlying stm device allows this) output mechanism. For kernel-side trace sources, we provide "stm_source" device class that can be connected to an stm device at run time. Cc: linux-api@vger.kernel.org Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
194 lines
3.1 KiB
Plaintext
194 lines
3.1 KiB
Plaintext
menu "Device Drivers"
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source "drivers/amba/Kconfig"
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source "drivers/base/Kconfig"
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source "drivers/bus/Kconfig"
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source "drivers/connector/Kconfig"
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source "drivers/mtd/Kconfig"
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source "drivers/of/Kconfig"
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source "drivers/parport/Kconfig"
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source "drivers/pnp/Kconfig"
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source "drivers/block/Kconfig"
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# misc before ide - BLK_DEV_SGIIOC4 depends on SGI_IOC4
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source "drivers/misc/Kconfig"
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source "drivers/ide/Kconfig"
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source "drivers/scsi/Kconfig"
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source "drivers/ata/Kconfig"
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source "drivers/md/Kconfig"
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source "drivers/target/Kconfig"
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source "drivers/message/fusion/Kconfig"
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source "drivers/firewire/Kconfig"
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source "drivers/macintosh/Kconfig"
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source "drivers/net/Kconfig"
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source "drivers/isdn/Kconfig"
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# input before char - char/joystick depends on it. As does USB.
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source "drivers/input/Kconfig"
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source "drivers/char/Kconfig"
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source "drivers/i2c/Kconfig"
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source "drivers/spi/Kconfig"
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source "drivers/spmi/Kconfig"
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source "drivers/hsi/Kconfig"
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source "drivers/pps/Kconfig"
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source "drivers/ptp/Kconfig"
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source "drivers/pinctrl/Kconfig"
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source "drivers/gpio/Kconfig"
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source "drivers/w1/Kconfig"
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source "drivers/power/Kconfig"
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source "drivers/hwmon/Kconfig"
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source "drivers/thermal/Kconfig"
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source "drivers/watchdog/Kconfig"
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source "drivers/ssb/Kconfig"
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source "drivers/bcma/Kconfig"
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source "drivers/mfd/Kconfig"
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source "drivers/regulator/Kconfig"
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source "drivers/media/Kconfig"
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source "drivers/video/Kconfig"
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source "sound/Kconfig"
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source "drivers/hid/Kconfig"
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source "drivers/usb/Kconfig"
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source "drivers/uwb/Kconfig"
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source "drivers/mmc/Kconfig"
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source "drivers/memstick/Kconfig"
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source "drivers/leds/Kconfig"
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source "drivers/accessibility/Kconfig"
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source "drivers/infiniband/Kconfig"
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source "drivers/edac/Kconfig"
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source "drivers/rtc/Kconfig"
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source "drivers/dma/Kconfig"
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source "drivers/dca/Kconfig"
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source "drivers/auxdisplay/Kconfig"
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source "drivers/uio/Kconfig"
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source "drivers/vfio/Kconfig"
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source "drivers/vlynq/Kconfig"
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source "drivers/virt/Kconfig"
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source "drivers/virtio/Kconfig"
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source "drivers/hv/Kconfig"
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source "drivers/xen/Kconfig"
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source "drivers/staging/Kconfig"
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source "drivers/platform/Kconfig"
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source "drivers/clk/Kconfig"
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source "drivers/hwspinlock/Kconfig"
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source "drivers/clocksource/Kconfig"
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source "drivers/mailbox/Kconfig"
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source "drivers/iommu/Kconfig"
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source "drivers/remoteproc/Kconfig"
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source "drivers/rpmsg/Kconfig"
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source "drivers/soc/Kconfig"
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source "drivers/devfreq/Kconfig"
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source "drivers/extcon/Kconfig"
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source "drivers/memory/Kconfig"
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source "drivers/iio/Kconfig"
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source "drivers/ntb/Kconfig"
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source "drivers/vme/Kconfig"
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source "drivers/pwm/Kconfig"
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source "drivers/irqchip/Kconfig"
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source "drivers/ipack/Kconfig"
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source "drivers/reset/Kconfig"
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source "drivers/fmc/Kconfig"
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source "drivers/phy/Kconfig"
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source "drivers/powercap/Kconfig"
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source "drivers/mcb/Kconfig"
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source "drivers/perf/Kconfig"
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source "drivers/ras/Kconfig"
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source "drivers/thunderbolt/Kconfig"
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source "drivers/android/Kconfig"
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source "drivers/nvdimm/Kconfig"
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source "drivers/nvmem/Kconfig"
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source "drivers/hwtracing/stm/Kconfig"
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endmenu
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