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* Update includes to L4T r32.7.4 and drop nvgpu/gk20a.h dependencyJoshua Bakita2023-10-29
| | | | | Also add instructions for updating `include/`. These files are now only needed to build on Linux 4.9-based Tegra platforms.
* Only log interrupts if explictly enabledJoshua Bakita2023-10-05
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* Add architecture decode for Ada, Hopper, and BlackwellJoshua Bakita2023-09-01
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* Improve copy engine register documentation in nvdebug.h + cleanupJoshua Bakita2023-07-20
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* Fail reads which return the flag value for a non-existent registerJoshua Bakita2023-07-18
| | | | Also check for read success in get_runlist_iter().
* Fix addressing, zero-init, and compatibility bugs in a3fe378Joshua Bakita2023-07-03
| | | | | | | | | - Including missing dereference to finish getting the address of the control register range - Add zero-initialization to the proc_ops structure in copat_ops to insure that all intentionally unset fields remain unset - Set .llseek in all the file_operations structures, as recent kernels require this to be explictly set
* Hacky support for Linux 5.6+ and the Jetson AGX OrinJoshua Bakita2023-06-29
| | | | | | | | | | | | | | Works around change in parameters to proc initialization functions via a hacky function which rewrites the layout. This also required making all the struct file_operations writable. Also start reducing dependency on nvgpu headers. Known issues: - Incorrect message printed in log after module is loaded. Unclear if this is because the register detection logic is broken, or if the layout of the data at NV_MC_BOOT_0 has changed. - Not tested
* Fix deinitialization on non-PCIe devicesJoshua Bakita2023-06-28
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* Include nvgpu headersJoshua Bakita2023-06-28
| | | | | | These are needed to build on NVIDIA's Jetson boards for the time being. Only a couple structs are required, so it should be fairly easy to remove this dependency at some point in the future.
* Quick dump of current state for Ben to review.Joshua Bakita2023-06-22
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* Comment fixup and abort if runlist is stored in VRAMJoshua Bakita2021-10-03
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* Add APIs to enable/disable a channel and switch to or preempt a specific TSGJoshua Bakita2021-09-23
| | | | | | | | | | | Adds: - /proc/preempt_tsg which takes a TSG ID - /proc/disable_channel which takes a channel ID - /proc/enable_channel which takes a channel ID - /proc/switch_to_tsg which takes a TSG ID Also significantly expands documentation and structs available in nvdebug.h.
* Include git hash as version number and print startup messageJoshua Bakita2021-09-22
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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.
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