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Now that we have a subsystem for compute accelerators, move the
habanalabs driver to it.
This patch only moves the files and fixes the Makefiles. Future
patches will change the existing code to register to the accel
subsystem and expose the accel device char files instead of the
habanalabs device char files.
Update the MAINTAINERS file to reflect this change.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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When doing sizeof() and giving as argument a dereference of
a pointer-to-a-pointer object, clang will issue a warning.
Eliminate the warning by passing struct <name>*
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Since hwmon fini code is common for all asics, unified it to common
function.
Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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In legacy f/w that use old hwmon.h file, the values of the hwmon
enums are different than the values that are in newer kernels (5.6
and above).
Therefore, to support working with those f/w, we need to do some
fixup before registering with the hwmon subsystem and also when
calling the functions that communicate with the f/w to retrieve
sensors information.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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CPUCP_PACKET_POWER_GET packet type was used for both
hl_get_power() and hl_set_power().
To align with other sensor functions hl_set_power()
should use CPUCP_PACKET_POWER_SET.
This packet will only be used with newer ASICs, so need to add
a compatibility flag to the asic properties to indicate whether to use
this packet or the GET packet.
Signed-off-by: Rajaravi Krishna Katta <rkatta@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Add support to retrieve following power info via HWMON:
- instantaneous power value
- highest value since last reset
- reset the highest place holder
Signed-off-by: Rajaravi Krishna Katta <rkatta@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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Instead of using the Linux kernel HWMON enums definition when
communicating with the firmware, use proprietary HWMON based enums
i.e. map hwmon.h header enum to cpucp_if.h based enum while.
This is needed because the HWMON enums are not forcing backward
compatibility and therefore changes can break compatibility between
newer driver and older firmware.
The driver will check for CPU_BOOT_DEV_STS0_MAP_HWMON_EN bit to
validate if f/w supports cpucp->hwmon enum mapping to support older
firmware where this mapping won't be available.
Signed-off-by: Rajaravi Krishna Katta <rkatta@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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F/W message returns 64bit value but up until now we casted it to
a 32bit variable, instead of receiving 64bit in the first place.
Signed-off-by: Alon Mizrahi <amizrahi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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The new state indicates that device should be reset in order
to re-gain funcionality.
This unique state can occur if reset_on_lockup is disabled
and an actual lockup has occurred.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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F/W can be loaded but device CPU queues disabled. In that case, HWMON
should be disabled. This is only relevant when debugging
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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ArmCP mandates that the device CPU is always an ARM processor, which might
be wrong in the future.
Most of this change is an internal renaming of variables, functions and
defines but there are two entries in sysfs which have armcp in their
names. Add identical cpucp entries but don't remove yet the armcp entries.
Those will be deprecated next year. Add the documentation about it in sysfs
documentation.
Signed-off-by: Moti Haimovski <mhaimovski@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
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This should resolve the merge/build issues reported when trying to
create linux-next.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For internal needs of our CI we need to move all the common code into a
common folder instead of putting them in the root folder of the driver.
Same applies to the common header files under include/
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: Omer Shpigelman <oshpigelman@habana.ai>
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