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This change prepares a subsequent commit which factors out the DFL
enumeration info from the structure dfl_feature_platform_data into
a new structure dfl_feature_dev_data, whose lifetime is independent
of the feature device which will be destroyed during port release.
Add an alias dfl_feature_dev_data for dfl_feature_platform_data, and an
alias to_dfl_feature_dev_data() for dev_get_platdata(), and refactor
internal DFL APIs to take/return dfl_feature_dev_data instead. The
aliases will be replaced with implementations in a subsequent commit.
This change does not introduce any functional changes.
Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Reviewed-by: Basheer Ahmed Muddebihal <basheer.ahmed.muddebihal@linux.intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20241120011035.230574-9-peter.colberg@intel.com
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
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For functions which use the feature platform data, instead of invoking
dev_get_platdata() on the device, directly pass the data as an argument.
This patch is part of a refactoring of the internal DFL APIs to move
the feature device data into a new struct dfl_feature_dev_data which
lifetime is independent of the corresponding platform device.
Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Reviewed-by: Basheer Ahmed Muddebihal <basheer.ahmed.muddebihal@linux.intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20241120011035.230574-6-peter.colberg@intel.com
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
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Error reporting interrupt is very useful to notify users that some
errors are detected by the hardware. Once users are notified, they
could query hardware logged error states, no need to continuously
poll on these states.
This patch adds interrupt support for fme global error reporting sub
feature. It follows the common DFL interrupt notification and handling
mechanism. And it implements two ioctls below for user to query
number of irqs supported, and set/unset interrupt triggers.
Ioctls:
* DFL_FPGA_FME_ERR_GET_IRQ_NUM
get the number of irqs, which is used to determine whether/how many
interrupts fme error reporting feature supports.
* DFL_FPGA_FME_ERR_SET_IRQ
set/unset given eventfds as fme error reporting interrupt triggers.
Signed-off-by: Luwei Kang <luwei.kang@intel.com>
Signed-off-by: Wu Hao <hao.wu@intel.com>
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: Wu Hao <hao.wu@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
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This patch adds support for global error reporting for FPGA
Management Engine (FME), it introduces sysfs interfaces to
report different error detected by the hardware, and allow
user to clear errors or inject error for testing purpose.
Signed-off-by: Luwei Kang <luwei.kang@intel.com>
Signed-off-by: Ananda Ravuri <ananda.ravuri@intel.com>
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Wu Hao <hao.wu@intel.com>
Acked-by: Alan Tull <atull@kernel.org>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
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