diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/stable/sysfs-driver-dma-idxd | 9 | ||||
| -rw-r--r-- | Documentation/ABI/testing/debugfs-driver-habanalabs | 19 |
2 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd index d431e2d00472..df4afbccf037 100644 --- a/Documentation/ABI/stable/sysfs-driver-dma-idxd +++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd @@ -128,6 +128,8 @@ Date: Aug 28, 2020 KernelVersion: 5.10.0 Contact: dmaengine@vger.kernel.org Description: The last executed device administrative command's status/error. + Also last configuration error overloaded. + Writing to it will clear the status. What: /sys/bus/dsa/devices/wq<m>.<n>/block_on_fault Date: Oct 27, 2020 @@ -211,6 +213,13 @@ Contact: dmaengine@vger.kernel.org Description: Indicate whether ATS disable is turned on for the workqueue. 0 indicates ATS is on, and 1 indicates ATS is off for the workqueue. +What: /sys/bus/dsa/devices/wq<m>.<n>/occupancy +Date May 25, 2021 +KernelVersion: 5.14.0 +Contact: dmaengine@vger.kernel.org +Description: Show the current number of entries in this WQ if WQ Occupancy + Support bit WQ capabilities is 1. + What: /sys/bus/dsa/devices/engine<m>.<n>/group_id Date: Oct 25, 2019 KernelVersion: 5.6.0 diff --git a/Documentation/ABI/testing/debugfs-driver-habanalabs b/Documentation/ABI/testing/debugfs-driver-habanalabs index a5c28f606865..284e2dfa61cd 100644 --- a/Documentation/ABI/testing/debugfs-driver-habanalabs +++ b/Documentation/ABI/testing/debugfs-driver-habanalabs @@ -215,6 +215,17 @@ Description: Sets the skip reset on timeout option for the device. Value of "0" means device will be reset in case some CS has timed out, otherwise it will not be reset. +What: /sys/kernel/debug/habanalabs/hl<n>/state_dump +Date: Oct 2021 +KernelVersion: 5.15 +Contact: ynudelman@habana.ai +Description: Gets the state dump occurring on a CS timeout or failure. + State dump is used for debug and is created each time in case of + a problem in a CS execution, before reset. + Reading from the node returns the newest state dump available. + Writing an integer X discards X state dumps, so that the + next read would return X+1-st newest state dump. + What: /sys/kernel/debug/habanalabs/hl<n>/stop_on_err Date: Mar 2020 KernelVersion: 5.6 @@ -230,6 +241,14 @@ Description: Displays a list with information about the currently user pointers (user virtual addresses) that are pinned and mapped to DMA addresses +What: /sys/kernel/debug/habanalabs/hl<n>/userptr_lookup +Date: Aug 2021 +KernelVersion: 5.15 +Contact: ogabbay@kernel.org +Description: Allows to search for specific user pointers (user virtual + addresses) that are pinned and mapped to DMA addresses, and see + their resolution to the specific dma address. + What: /sys/kernel/debug/habanalabs/hl<n>/vm Date: Jan 2019 KernelVersion: 5.1 |