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This change extends the existing minimal placeholder sample handler for
injected synchronous exceptions. It now consumes a generic sync exception
report and, showcases how the information can be used to decode the
exceptions further using two minimal examples (Data Abort and Instr Abort).
This needs to be used only as a reference for any customized elaborate
error handling that may be needed.
JIRA ESV-312
Bug 2580803
Change-Id: I32cf2322a6002ac00071d3246a32a17eb37165c3
Signed-off-by: Andre Richter <arichter@nvidia.com>
(cherry picked from commit 9ce3c05e425607a1acf0a28ea75258fb66f06820)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2300616
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Dmitry Pervushin <dpervushin@nvidia.com>
Reviewed-by: Rohit Upadhyay <rupadhyay@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
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- Add support to handle Memory Controller errors on
on t19x.
- This change adds a sample handler for MC errors.
It is a minimal handler that just dumps error
information to the console. This can be used as
a reference to implement an elaborate error
handler.
Bug 2580803
Change-Id: Ib86b925125650b4812fdbee5310455ae95ccd83c
(cherry picked from commit 6c8395d11872f79ab5819a9900cb40b8f946852e)
Signed-off-by: Potharaju Ravi Teja <pteja@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2279875
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Add support to handle control back bone errors.
- This change adds a sample handler for cbb error.
It is a minimal handler that just dumps error
information to the console. This can be used as
a reference to implement an elaborate error
handler.
Bug 2580803
Change-Id: I2fbbc994854611a54276068ee90f1d2cffeeb948
(cherry picked from commit ea898756f7b2e4aff8f89546f3b69fc4e97fd300)
Signed-off-by: Potharaju Ravi Teja <pteja@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2279874
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Dmitry Pervushin <dpervushin@nvidia.com>
Reviewed-by: Rohit Upadhyay <rupadhyay@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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- Prevented bad mode entry for unassigned offender as no point
in rebooting the Privileged guest in that case.
- Made the driver to fire build bug if sizes of structures
shared with HV code are out of sync.
- Replaced enum variables with unsigned int in err_data structure
members to avoid ambiguity in size used by HV and Linux compilers
for enum.
- Renamed variables from camelCase to small_case, added tegra-hv
prefix, etc.
- Removed sending of redundant parameter while sending ack for
sync error.
- Added #undef _X5,6,7_X17 for completeness that was missed earlier.
JIRA ESV-312
Bug 2580803
Change-Id: Ibf49c80a2e781dd75faadd96813b9c19e31e68bf
Signed-off-by: Yashomati <ygodbole@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2228786
(cherry picked from commit 7364fbd8661997c98a4d9fa036ad3a5659fe319e)
Reviewed-on: https://git-master.nvidia.com/r/2254757
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Dmitry Pervushin <dpervushin@nvidia.com>
Reviewed-by: Hardik T Shah <hardikts@nvidia.com>
Reviewed-by: Rohit Upadhyay <rupadhyay@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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If Linux/EBP causes an error that HV can't handle,
then instead of freezing the guest, HV injects the
error back into the guest. This enables the guest
to handle the error as gracefully as it can/needs.
This changeset provides 2 parts:
1. sample handlers: minimal placeholder handlers that
just dump the error information on to the console. This
is to be used as a reference for any customized elaborate
error handling that may be needed.
2. library module: it comes into existence only if/when
any error handler is registered. Its main responsibilities:
- map memory that's shared with HV where HV dumps all
information about the errors.
- register handlers for interrupts used by HV to inject
errors
- invoke custom error handlers when HV injects error
JIRA ESV-312
Bug 2580803
Change-Id: Ia8c6484d423fd33cabbfd901f0f6ebb0da95cb40
Signed-off-by: Yashomati <ygodbole@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2214402
Reviewed-on: https://git-master.nvidia.com/r/2128765
GVS: Gerrit_Virtual_Submit
Reviewed-by: Dmitry Pervushin <dpervushin@nvidia.com>
Reviewed-by: Hardik T Shah <hardikts@nvidia.com>
Reviewed-by: Rohit Upadhyay <rupadhyay@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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