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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:01 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:15:01 +0000
commit7996a3d79d55b7f879dfd62e202bbfe2963718d3 (patch)
tree8d9f6759fec4099b9be503c11c7ed174f7204980 /libdde-linux26/contrib/include/linux/dmar.h
parent4fbe7358c7747a9165f776eb19addbb9baf7def2 (diff)
really properly move files
Diffstat (limited to 'libdde-linux26/contrib/include/linux/dmar.h')
-rw-r--r--libdde-linux26/contrib/include/linux/dmar.h157
1 files changed, 157 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/linux/dmar.h b/libdde-linux26/contrib/include/linux/dmar.h
new file mode 100644
index 00000000..f2844078
--- /dev/null
+++ b/libdde-linux26/contrib/include/linux/dmar.h
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2006, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * Copyright (C) Ashok Raj <ashok.raj@intel.com>
+ * Copyright (C) Shaohua Li <shaohua.li@intel.com>
+ */
+
+#ifndef __DMAR_H__
+#define __DMAR_H__
+
+#include <linux/acpi.h>
+#include <linux/types.h>
+#include <linux/msi.h>
+
+#if defined(CONFIG_DMAR) || defined(CONFIG_INTR_REMAP)
+struct intel_iommu;
+
+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 */
+ u8 ignored:1; /* ignore drhd */
+ u8 include_all:1;
+ struct intel_iommu *iommu;
+};
+
+extern struct list_head dmar_drhd_units;
+
+#define for_each_drhd_unit(drhd) \
+ list_for_each_entry(drhd, &dmar_drhd_units, list)
+
+extern int dmar_table_init(void);
+extern int dmar_dev_scope_init(void);
+
+/* Intel IOMMU detection */
+extern void detect_intel_iommu(void);
+
+
+extern int parse_ioapics_under_ir(void);
+extern int alloc_iommu(struct dmar_drhd_unit *);
+#else
+static inline void detect_intel_iommu(void)
+{
+ return;
+}
+
+static inline int dmar_table_init(void)
+{
+ return -ENODEV;
+}
+#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 {
+ __u64 present : 1,
+ fpd : 1,
+ dst_mode : 1,
+ redir_hint : 1,
+ trigger_mode : 1,
+ dlvry_mode : 3,
+ avail : 4,
+ __reserved_1 : 4,
+ vector : 8,
+ __reserved_2 : 8,
+ dest_id : 32;
+ };
+ __u64 low;
+ };
+
+ union {
+ struct {
+ __u64 sid : 16,
+ sq : 2,
+ svt : 2,
+ __reserved_3 : 44;
+ };
+ __u64 high;
+ };
+};
+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);
+extern int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index,
+ u16 sub_handle);
+extern int map_irq_to_irte_handle(int irq, u16 *sub_handle);
+extern int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index);
+extern int flush_irte(int irq);
+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);
+#else
+#define irq_remapped(irq) (0)
+#define enable_intr_remapping(mode) (-1)
+#define intr_remapping_enabled (0)
+#endif
+
+#ifdef CONFIG_DMAR
+extern const char *dmar_get_fault_reason(u8 fault_reason);
+
+/* Can't use the common MSI interrupt functions
+ * since DMAR is not a pci device
+ */
+extern void dmar_msi_unmask(unsigned int irq);
+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 int arch_setup_dmar_msi(unsigned int irq);
+
+extern int iommu_detected, no_iommu;
+extern struct list_head dmar_rmrr_units;
+struct dmar_rmrr_unit {
+ struct list_head list; /* list of rmrr units */
+ struct acpi_dmar_header *hdr; /* ACPI header */
+ u64 base_address; /* reserved base address*/
+ u64 end_address; /* reserved end address */
+ struct pci_dev **devices; /* target devices */
+ int devices_cnt; /* target device count */
+};
+
+#define for_each_rmrr_units(rmrr) \
+ list_for_each_entry(rmrr, &dmar_rmrr_units, list)
+/* Intel DMAR initialization functions */
+extern int intel_iommu_init(void);
+#else
+static inline int intel_iommu_init(void)
+{
+#ifdef CONFIG_INTR_REMAP
+ return dmar_dev_scope_init();
+#else
+ return -ENODEV;
+#endif
+}
+#endif /* !CONFIG_DMAR */
+#endif /* __DMAR_H__ */