iommu: rename intr_remapping.[ch] to irq_remapping.[ch]

Make the file names consistent with the naming conventions of irq subsystem.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Joerg Roedel <joerg.roedel@amd.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 88 insertions, 0 deletions

diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h
new file mode 100644
index 000000000000..b12974cc1dfe
--- /dev/null
+++ b/drivers/iommu/irq_remapping.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ * Author: Joerg Roedel <joerg.roedel@amd.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ * This header file contains stuff that is shared between different interrupt
+ * remapping drivers but with no need to be visible outside of the IOMMU layer.
+ */
+
+#ifndef __IRQ_REMAPPING_H
+#define __IRQ_REMAPPING_H
+
+#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;
+
+extern int disable_irq_remap;
+extern int disable_sourceid_checking;
+extern int no_x2apic_optout;
+
+struct irq_remap_ops {
+        /* Check whether Interrupt Remapping is supported */
+        int (*supported)(void);
+
+        /* Initializes hardware and makes it ready for remapping interrupts */
+        int  (*prepare)(void);
+
+        /* Enables the remapping hardware */
+        int  (*enable)(void);
+
+        /* Disables the remapping hardware */
+        void (*disable)(void);
+
+        /* Reenables the remapping hardware */
+        int  (*reenable)(int);
+
+        /* 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);
+
+        /* 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 (*setup_hpet_msi)(unsigned int, unsigned int);
+};
+
+extern struct irq_remap_ops intel_irq_remap_ops;
+
+#endif /* CONFIG_IRQ_REMAP */
+
+#endif /* __IRQ_REMAPPING_H */