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x64, x2apic/intr-remap: parse ioapic scope under vt-d structures

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Parse the vt-d device scope structures to find the mapping between IO-APICs
and the interrupt remapping hardware units.

This will be used later for enabling Interrupt-remapping for IOAPIC devices.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: akpm@linux-foundation.org
Cc: arjan@linux.intel.com
Cc: andi@firstfloor.org
Cc: ebiederm@xmission.com
Cc: jbarnes@virtuousgeek.org
Cc: steiner@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Suresh Siddha
2008-07-10 11:16:40 -07:00
committed by Ingo Molnar
parent 2d6b5f85bb
commit ad3ad3f6a2
6 changed files with 84 additions and 0 deletions
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include/linux/dmar.h
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@@ -47,6 +47,7 @@ extern int intel_iommu_init(void);
extern int dmar_table_init(void);
extern int early_dmar_detect(void);
extern int dmar_dev_scope_init(void);
extern int parse_ioapics_under_ir(void);
extern struct list_head dmar_drhd_units;
extern struct list_head dmar_rmrr_units;