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authorSuresh Siddha <suresh.b.siddha@intel.com>2012-03-30 11:47:08 -0700
committerJoerg Roedel <joerg.roedel@amd.com>2012-05-07 14:35:00 +0200
commit8a8f422d3b4f2cde8e0e1d31638279a26a886a82 (patch)
tree8d8a4387a45f962cd0fa4e9e24335e790adad0d4 /drivers/iommu/irq_remapping.h
parent95a02e976c39d63716b8c7c226bc530a2041536f (diff)
downloadlinux-8a8f422d3b4f2cde8e0e1d31638279a26a886a82.tar.bz2
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>
Diffstat (limited to 'drivers/iommu/irq_remapping.h')
-rw-r--r--drivers/iommu/irq_remapping.h88
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 */