From c2a0b538d2c778aef7bf2fbe7973229192c9a392 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Sun, 9 Nov 2014 22:47:56 +0800 Subject: iommu/vt-d: Introduce helper function dmar_walk_resources() Introduce helper function dmar_walk_resources to walk resource entries in DMAR table and ACPI buffer object returned by ACPI _DSM method for IOMMU hot-plug. Signed-off-by: Jiang Liu Signed-off-by: Joerg Roedel --- include/linux/dmar.h | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) (limited to 'include/linux/dmar.h') diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 593fff99e6bf..495df5e48f80 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -121,22 +121,21 @@ extern int dmar_remove_dev_scope(struct dmar_pci_notify_info *info, extern int detect_intel_iommu(void); extern int enable_drhd_fault_handling(void); +static inline int dmar_res_noop(struct acpi_dmar_header *hdr, void *arg) +{ + return 0; +} + #ifdef CONFIG_INTEL_IOMMU extern int iommu_detected, no_iommu; extern int intel_iommu_init(void); -extern int dmar_parse_one_rmrr(struct acpi_dmar_header *header); -extern int dmar_parse_one_atsr(struct acpi_dmar_header *header); +extern int dmar_parse_one_rmrr(struct acpi_dmar_header *header, void *arg); +extern int dmar_parse_one_atsr(struct acpi_dmar_header *header, void *arg); extern int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info); #else /* !CONFIG_INTEL_IOMMU: */ static inline int intel_iommu_init(void) { return -ENODEV; } -static inline int dmar_parse_one_rmrr(struct acpi_dmar_header *header) -{ - return 0; -} -static inline int dmar_parse_one_atsr(struct acpi_dmar_header *header) -{ - return 0; -} +#define dmar_parse_one_rmrr dmar_res_noop +#define dmar_parse_one_atsr dmar_res_noop static inline int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) { return 0; -- cgit v1.2.3-59-g8ed1b