nfsd4.1: common slot allocation size calculation

[safe/jmp/linux-2.6] / include / linux / dmar.h

diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index c776833..4a2b162 100644 (file)
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -24,16 +24,17 @@
 #include <linux/acpi.h>
 #include <linux/types.h>
 #include <linux/msi.h>
+#include <linux/irqreturn.h>
 
-#if defined(CONFIG_DMAR) || defined(CONFIG_INTR_REMAP)
 struct intel_iommu;
-
+#if defined(CONFIG_DMAR) || defined(CONFIG_INTR_REMAP)
 struct dmar_drhd_unit {
        struct list_head list;          /* list of drhd units   */
        struct  acpi_dmar_header *hdr;  /* ACPI header          */
        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);
 
@@ -51,7 +60,6 @@ extern int dmar_dev_scope_init(void);
 extern void detect_intel_iommu(void);
 extern int enable_drhd_fault_handling(void);
 
-
 extern int parse_ioapics_under_ir(void);
 extern int alloc_iommu(struct dmar_drhd_unit *);
 #else
@@ -64,12 +72,12 @@ static inline int dmar_table_init(void)
 {
        return -ENODEV;
 }
+static inline int enable_drhd_fault_handling(void)
+{
+       return -1;
+}
 #endif /* !CONFIG_DMAR && !CONFIG_INTR_REMAP */
 
-#ifdef CONFIG_INTR_REMAP
-extern int intr_remapping_enabled;
-extern int enable_intr_remapping(int);
-
 struct irte {
        union {
                struct {
@@ -98,6 +106,13 @@ struct irte {
                __u64 high;
        };
 };
+#ifdef CONFIG_INTR_REMAP
+extern int intr_remapping_enabled;
+extern int intr_remapping_supported(void);
+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);
 extern int alloc_irte(struct intel_iommu *iommu, int irq, u16 count);
@@ -111,9 +126,51 @@ extern int free_irte(int irq);
 extern int irq_remapped(int irq);
 extern struct intel_iommu *map_dev_to_ir(struct pci_dev *dev);
 extern struct intel_iommu *map_ioapic_to_ir(int apic);
+extern int set_ioapic_sid(struct irte *irte, int apic);
+extern int set_msi_sid(struct irte *irte, struct pci_dev *dev);
 #else
+static inline int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
+{
+       return -1;
+}
+static inline int modify_irte(int irq, struct irte *irte_modified)
+{
+       return -1;
+}
+static inline int free_irte(int irq)
+{
+       return -1;
+}
+static inline int map_irq_to_irte_handle(int irq, u16 *sub_handle)
+{
+       return -1;
+}
+static inline int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index,
+                              u16 sub_handle)
+{
+       return -1;
+}
+static inline struct intel_iommu *map_dev_to_ir(struct pci_dev *dev)
+{
+       return NULL;
+}
+static inline struct intel_iommu *map_ioapic_to_ir(int apic)
+{
+       return NULL;
+}
+static inline int set_ioapic_sid(struct irte *irte, int apic)
+{
+       return 0;
+}
+static inline int set_msi_sid(struct irte *irte, struct pci_dev *dev)
+{
+       return 0;
+}
+
 #define irq_remapped(irq)              (0)
 #define enable_intr_remapping(mode)    (-1)
+#define disable_intr_remapping()       (0)
+#define reenable_intr_remapping(mode)  (0)
 #define intr_remapping_enabled         (0)
 #endif
 
@@ -125,6 +182,7 @@ extern void dmar_msi_mask(unsigned int irq);
 extern void dmar_msi_read(int irq, struct msi_msg *msg);
 extern void dmar_msi_write(int irq, struct msi_msg *msg);
 extern int dmar_set_interrupt(struct intel_iommu *iommu);
+extern irqreturn_t dmar_fault(int irq, void *dev_id);
 extern int arch_setup_dmar_msi(unsigned int irq);
 
 #ifdef CONFIG_DMAR
@@ -141,6 +199,15 @@ 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