diff options
Diffstat (limited to 'include/linux/dmar.h')
| -rw-r--r-- | include/linux/dmar.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 8d3e0e38ca4d..7d683dc8ed1e 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -23,7 +23,14 @@ #include <linux/acpi.h> #include <linux/types.h> +#include <linux/msi.h> +#ifdef CONFIG_DMAR +struct intel_iommu; + +/* Intel IOMMU detection and initialization functions */ +extern void detect_intel_iommu(void); +extern int intel_iommu_init(void); extern int dmar_table_init(void); extern int early_dmar_detect(void); @@ -49,4 +56,19 @@ struct dmar_rmrr_unit { int devices_cnt; /* target device count */ }; +#define for_each_drhd_unit(drhd) \ + list_for_each_entry(drhd, &dmar_drhd_units, list) +#define for_each_rmrr_units(rmrr) \ + list_for_each_entry(rmrr, &dmar_rmrr_units, list) +#else +static inline void detect_intel_iommu(void) +{ + return; +} +static inline int intel_iommu_init(void) +{ + return -ENODEV; +} + +#endif /* !CONFIG_DMAR */ #endif /* __DMAR_H__ */ |