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intr-remap: generic support for remapping HPET MSIs

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Generic support for remapping HPET MSI's by parsing the HPET timer block
device scope in the ACPI DRHD tables. This is needed for platforms
supporting interrupt-remapping and MSI capable HPET timer block.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Jay Fenlason <fenlason@redhat.com>
LKML-Reference: <20090804190729.477649000@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Suresh Siddha
2009-08-04 12:07:08 -07:00
committed by Thomas Gleixner
parent 5946fa3d5c
commit 20f3097bfe
4 changed files with 104 additions and 4 deletions
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7
drivers/pci/intr_remapping.h
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@@ -7,4 +7,11 @@ struct ioapic_scope {
unsigned int devfn; /* PCI devfn number */
};
struct hpet_scope {
struct intel_iommu *iommu;
u8 id;
unsigned int bus;
unsigned int devfn;
};
#define IR_X2APIC_MODE(mode) (mode ? (1 << 11) : 0)