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IB/hfi1: Make the MSIx resource allocation a bit more flexible

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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>
This commit is contained in:
Michael J. Ruhl
2018-08-15 23:04:04 -07:00
committed by Doug Ledford
parent 09e71899b9
commit 6eb4eb10fb
8 changed files with 304 additions and 252 deletions
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4
drivers/infiniband/hw/hfi1/affinity.c
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@@ -817,10 +817,10 @@ static void hfi1_update_sdma_affinity(struct hfi1_msix_entry *msix, int cpu)
set = &entry->def_intr;
cpumask_set_cpu(cpu, &set->mask);
cpumask_set_cpu(cpu, &set->used);
for (i = 0; i < dd->num_msix_entries; i++) {
for (i = 0; i < dd->msix_info.max_requested; i++) {
struct hfi1_msix_entry *other_msix;
other_msix = &dd->msix_entries[i];
other_msix = &dd->msix_info.msix_entries[i];
if (other_msix->type != IRQ_SDMA || other_msix == msix)
continue;