These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / iommu / irq_remapping.h

diff --git a/kernel/drivers/iommu/irq_remapping.h b/kernel/drivers/iommu/irq_remapping.h
index 7c70cc2..039c7af 100644 (file)
--- a/kernel/drivers/iommu/irq_remapping.h
+++ b/kernel/drivers/iommu/irq_remapping.h
@@ -24,19 +24,22 @@
 
 #ifdef CONFIG_IRQ_REMAP
 
-struct IO_APIC_route_entry;
-struct io_apic_irq_attr;
 struct irq_data;
-struct cpumask;
-struct pci_dev;
 struct msi_msg;
+struct irq_domain;
+struct irq_alloc_info;
 
 extern int irq_remap_broken;
 extern int disable_sourceid_checking;
 extern int no_x2apic_optout;
 extern int irq_remapping_enabled;
 
+extern int disable_irq_post;
+
 struct irq_remap_ops {
+       /* The supported capabilities */
+       int capability;
+
        /* Initializes hardware and makes it ready for remapping interrupts */
        int  (*prepare)(void);
 
@@ -52,40 +55,23 @@ struct irq_remap_ops {
        /* Enable fault handling */
        int  (*enable_faulting)(void);
 
-       /* IO-APIC setup routine */
-       int (*setup_ioapic_entry)(int irq, struct IO_APIC_route_entry *,
-                                 unsigned int, int,
-                                 struct io_apic_irq_attr *);
-
-       /* Set the CPU affinity of a remapped interrupt */
-       int (*set_affinity)(struct irq_data *data, const struct cpumask *mask,
-                           bool force);
-
-       /* Free an IRQ */
-       int (*free_irq)(int);
+       /* Get the irqdomain associated the IOMMU device */
+       struct irq_domain *(*get_ir_irq_domain)(struct irq_alloc_info *);
 
-       /* Create MSI msg to use for interrupt remapping */
-       void (*compose_msi_msg)(struct pci_dev *,
-                               unsigned int, unsigned int,
-                               struct msi_msg *, u8);
-
-       /* Allocate remapping resources for MSI */
-       int (*msi_alloc_irq)(struct pci_dev *, int, int);
-
-       /* Setup the remapped MSI irq */
-       int (*msi_setup_irq)(struct pci_dev *, unsigned int, int, int);
-
-       /* Setup interrupt remapping for an HPET MSI */
-       int (*alloc_hpet_msi)(unsigned int, unsigned int);
+       /* Get the MSI irqdomain associated with the IOMMU device */
+       struct irq_domain *(*get_irq_domain)(struct irq_alloc_info *);
 };
 
 extern struct irq_remap_ops intel_irq_remap_ops;
 extern struct irq_remap_ops amd_iommu_irq_ops;
 
+extern void ir_ack_apic_edge(struct irq_data *data);
+
 #else  /* CONFIG_IRQ_REMAP */
 
 #define irq_remapping_enabled 0
 #define irq_remap_broken      0
+#define disable_irq_post      1
 
 #endif /* CONFIG_IRQ_REMAP */