x64, x2apic/intr-remap: routines managing Interrupt remapping table entries.

Routines handling the management of interrupt remapping table entries.

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>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h
index a81a74e2bd9e..2142c01e0143 100644
--- a/drivers/pci/intel-iommu.h
+++ b/drivers/pci/intel-iommu.h
@@ -123,6 +123,7 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
 #define ecap_qis(e)             ((e) & 0x2)
 #define ecap_eim_support(e)     ((e >> 4) & 0x1)
 #define ecap_ir_support(e)      ((e >> 3) & 0x1)
+#define ecap_max_handle_mask(e) ((e >> 20) & 0xf)
 
 
 /* IOTLB_REG */
@@ -255,6 +256,8 @@ struct q_inval {
 #define INTR_REMAP_PAGE_ORDER   8
 #define INTR_REMAP_TABLE_REG_SIZE       0xf
 
+#define INTR_REMAP_TABLE_ENTRIES        65536
+
 struct ir_table {
         struct irte *base;
 };
@@ -300,4 +303,5 @@ extern void free_iommu(struct intel_iommu *iommu);
 extern int dmar_enable_qi(struct intel_iommu *iommu);
 extern void qi_global_iec(struct intel_iommu *iommu);
 
+extern void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);
 #endif