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| author | Jiang Liu <jiang.liu@linux.intel.com> | 2014-11-09 22:47:56 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2014-11-18 11:18:35 +0100 |
| commit | c2a0b538d2c778aef7bf2fbe7973229192c9a392 (patch) | |
| tree | 43fb6451526e573d70bd29cca9f2bef286b5a0ee /include/linux/dmar.h | |
| parent | 1a2262f90f493103496f3383741fb5d594c33738 (diff) | |
| download | lwn-c2a0b538d2c778aef7bf2fbe7973229192c9a392.tar.gz lwn-c2a0b538d2c778aef7bf2fbe7973229192c9a392.zip | |
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 <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/dmar.h')
| -rw-r--r-- | include/linux/dmar.h | 19 |
1 files changed, 9 insertions, 10 deletions
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; |