| Commit message (Collapse) | Author | Age |
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- Move Linux-specific functions to nvdebug_linux.h and .c
- Workaround PDE_DATA() being pde_data() on Linux 5.17+
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Also update how Instance Pointers are aligned in the runlist output
to make them more easily distinguishable from other fields.
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- Support differently-formatted runlist registers on Turing
- Support different runlist register offsets on Turing
- Fix incorrect indenting when printing the runlist
- Fix `preempt_tsg` and `switch_to_tsg` API implementations to
correctly interface with the hardware (previously, they would try
to disable scheduling for the last-updated runlist pointer, which
was nonsense, and just an artifact of my early misunderstandings
of how the NV_PFIFO_RUNLIST* registers worked).
- Remove misused NV_PFIFO_RUNLIST and NV_PFIFO_RUNLIST_BASE registers
- Refactor `runlist.c` to use the APIs from `bus.c`
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Sometimes such "malformed" runlists appear on the TX2, yet they
seem to work fine, so support printing them in full.
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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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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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