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* Fix a pre-4.19 bug in seq procfs files and add detailed channel printJoshua Bakita2021-09-22
| | | | | | | | | | - The sequence file infrastructure prior to kernel version 4.19 has a bug in the retry code when the write buffer overflows that causes our private iterator state to be corrupted. Work around this by tracking some info out-of-band. - Now supports including detailed channel status information from channel RAM when printing the runlist. - Adds helper function to probe for and return struct gk20a*.
* Use procfs instead of dmesg to print runlistJoshua Bakita2021-08-26
| | | | | | | `cat /proc/runlist` to print the current runlist. Also break nvdebug.c into nvdebug_entry.c, runlist.c, and runlist_procfs.c.
* Add initial implementationJoshua Bakita2021-08-26
Supports accessing and printing the runlist on the Jetson Xavier to dmesg. May work on other Jetson boards. Currently requires the nvgpu headers from NVIDIA's Linux4Tegra (L4T) source tree.