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The current IRQ API is an all or nothing interface. This has two
problems:
1. All IRQs are enabled regardless of use
2. Moving from general interrupt to MSIx handling is difficult
Introduce a new API to enable/disable specific IRQs or a range of IRQs.
Do not enable and disable all IRQs in one step.
Rework various modules to enable/disable IRQs when needed.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Sadanand Warrier <sadanand.warrier@intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The current method of allocating MSIx resources is a bit cumbersome,
and not very easily added to.
Refactor and re-order the code paths into a more consistent interface.
Update the interface so that allocations are not order dependent.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Sadanand Warrier <sadanand.warrier@intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The current HFI1 MSIx API is difficult to follow, change, or add to.
In anticipation of moving to an more flexible API, move the current
MSIx functionality to the new msix.c module.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Sadanand Warrier <sadanand.warrier@intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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