| Commit message (Collapse) | Author | Age |
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Everything now has been checked against how nvgpu handles it
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The code in nvdebug.h has been rearranged to enable an easier merge
against the jbakita-wip branch.
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- Update comments to match new structure
- Make show() function idempotent
- Skip empty table entries without aborting
- Include names for new engine types
- Add warning log messages for skipped table entries
- Remove non-functional runlist file creation logic for Ampere+
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- Debugged data display errors.
- Debugged crash bugs.
- Debugged memory issue.
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- Functions have been consolidated.
- Code was clarified and tidied up overall.
- Unnecessary elements were removed.
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- Added device_info_iter
- Merged functions in device_info_procfs.c
- Separated device_info data structs by version in nvdebug.h
- Fixed issue with device_info runlist ID data
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- Fixed device_info crash bugs
- Made further edits to display functionality
- Refactored code to enhance readability
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- Added an Ampere version of the device info data.
- Added Ampere versions of auxillary functions.
- Modified display functions to accommodate Ampere data.
- Made other various small modifications.
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I am merging Mr. Bakita's changes (046d7d2) into this repository.
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- 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
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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
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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.
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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.
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- 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*.
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`cat /proc/runlist` to print the current runlist.
Also break nvdebug.c into nvdebug_entry.c, runlist.c, and
runlist_procfs.c.
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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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