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| author | Takashi Iwai <tiwai@suse.de> | 2020-04-24 08:22:16 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-04-24 08:22:55 +0200 |
| commit | 36dbae9945322e660795e73ffc8ed8ae4f25d13d (patch) | |
| tree | 9e444e68380061dccfaa453d1f02cf21c5c986ef /Documentation/ABI/testing/sysfs-kernel-fadump | |
| parent | ALSA: oxygen: use true,false for bool variables (diff) | |
| parent | ALSA: hda: Refactor Intel NHLT init (diff) | |
| download | linux-36dbae9945322e660795e73ffc8ed8ae4f25d13d.tar.xz linux-36dbae9945322e660795e73ffc8ed8ae4f25d13d.zip | |
Merge branch 'topic/nhlt' into for-next
Merge NHLT init cleanup.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-kernel-fadump')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-kernel-fadump | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-kernel-fadump b/Documentation/ABI/testing/sysfs-kernel-fadump new file mode 100644 index 000000000000..8f7a64a81783 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-fadump @@ -0,0 +1,40 @@ +What: /sys/kernel/fadump/* +Date: Dec 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: + The /sys/kernel/fadump/* is a collection of FADump sysfs + file provide information about the configuration status + of Firmware Assisted Dump (FADump). + +What: /sys/kernel/fadump/enabled +Date: Dec 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: read only + Primarily used to identify whether the FADump is enabled in + the kernel or not. +User: Kdump service + +What: /sys/kernel/fadump/registered +Date: Dec 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: read/write + Helps to control the dump collect feature from userspace. + Setting 1 to this file enables the system to collect the + dump and 0 to disable it. +User: Kdump service + +What: /sys/kernel/fadump/release_mem +Date: Dec 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: write only + This is a special sysfs file and only available when + the system is booted to capture the vmcore using FADump. + It is used to release the memory reserved by FADump to + save the crash dump. + +What: /sys/kernel/fadump/mem_reserved +Date: Dec 2019 +Contact: linuxppc-dev@lists.ozlabs.org +Description: read only + Provide information about the amount of memory reserved by + FADump to save the crash dump in bytes. |