VT-d: parse ATSR in DMA Remapping Reporting Structure

[karo-tx-linux.git] / include / linux / dmar.h

diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 2f34274689564e3bffb72739ac754081e4ad66f7..7c9a207e5da64aaf7094b5e52bc5059b75561049 100644 (file)
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -34,6 +34,7 @@ struct dmar_drhd_unit {
        u64     reg_base_addr;          /* register base address*/
        struct  pci_dev **devices;      /* target device array  */
        int     devices_cnt;            /* target device count  */
+       u16     segment;                /* PCI domain           */
        u8      ignored:1;              /* ignore drhd          */
        u8      include_all:1;
        struct intel_iommu *iommu;
@@ -44,6 +45,14 @@ extern struct list_head dmar_drhd_units;
 #define for_each_drhd_unit(drhd) \
        list_for_each_entry(drhd, &dmar_drhd_units, list)
 
+#define for_each_active_iommu(i, drhd)                                 \
+       list_for_each_entry(drhd, &dmar_drhd_units, list)               \
+               if (i=drhd->iommu, drhd->ignored) {} else
+
+#define for_each_iommu(i, drhd)                                                \
+       list_for_each_entry(drhd, &dmar_drhd_units, list)               \
+               if (i=drhd->iommu, 0) {} else 
+
 extern int dmar_table_init(void);
 extern int dmar_dev_scope_init(void);
 
@@ -100,6 +109,8 @@ struct irte {
 #ifdef CONFIG_INTR_REMAP
 extern int intr_remapping_enabled;
 extern int enable_intr_remapping(int);
+extern void disable_intr_remapping(void);
+extern int reenable_intr_remapping(int);
 
 extern int get_irte(int irq, struct irte *entry);
 extern int modify_irte(int irq, struct irte *irte_modified);
@@ -174,6 +185,15 @@ struct dmar_rmrr_unit {
 
 #define for_each_rmrr_units(rmrr) \
        list_for_each_entry(rmrr, &dmar_rmrr_units, list)
+
+struct dmar_atsr_unit {
+       struct list_head list;          /* list of ATSR units */
+       struct acpi_dmar_header *hdr;   /* ACPI header */
+       struct pci_dev **devices;       /* target devices */
+       int devices_cnt;                /* target device count */
+       u8 include_all:1;               /* include all ports */
+};
+
 /* Intel DMAR  initialization functions */
 extern int intel_iommu_init(void);
 #else