| Commit message (Collapse) | Author | Age |
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Also add instructions for updating `include/`. These files are now
only needed to build on Linux 4.9-based Tegra platforms.
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Also check for read success in get_runlist_iter().
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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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