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MFC r283692:

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Explicitely enable queued invalidation completion interrupt.
This commit is contained in:
kib 2015-06-05 08:23:33 +00:00
parent c84e575eec
commit c5849be284
1 changed files with 2 additions and 0 deletions
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2
sys/x86/iommu/intel_qi.c
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@ -356,6 +356,7 @@ dmar_init_qi(struct dmar_unit *unit)
ics = DMAR_ICS_IWC;
dmar_write4(unit, DMAR_ICS_REG, ics);
}
dmar_enable_qi_intr(unit);
DMAR_UNLOCK(unit);
return (0);
@ -379,6 +380,7 @@ dmar_fini_qi(struct dmar_unit *unit)
dmar_qi_advance_tail(unit);
dmar_qi_wait_for_seq(unit, &gseq);
/* only after the quisce, disable queue */
dmar_disable_qi_intr(unit);
dmar_disable_qi(unit);
KASSERT(unit->inv_seq_waiters == 0,
("dmar%d: waiters on disabled queue", unit->unit));