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Message-Id: <20230331045452.500265-1-baolu.lu@linux.intel.com> Date: Fri, 31 Mar 2023 12:54:52 +0800 From: Lu Baolu <baolu.lu@...ux.intel.com> To: iommu@...ts.linux.dev Cc: linux-kernel@...r.kernel.org, Lu Baolu <baolu.lu@...ux.intel.com> Subject: [PATCH] iommu/vt-d: Remove extern from function prototypes The kernel coding style does not require 'extern' in function prototypes in .h files, so remove them from drivers/iommu/intel/iommu.h as they are not needed. Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com> --- drivers/iommu/intel/iommu.h | 36 ++++++++++++++++++------------------ 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index d6df3b865812..f843493dc4f2 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -796,18 +796,18 @@ static inline bool context_present(struct context_entry *context) return (context->lo & 1); } -extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev); - -extern int dmar_enable_qi(struct intel_iommu *iommu); -extern void dmar_disable_qi(struct intel_iommu *iommu); -extern int dmar_reenable_qi(struct intel_iommu *iommu); -extern void qi_global_iec(struct intel_iommu *iommu); - -extern void qi_flush_context(struct intel_iommu *iommu, u16 did, u16 sid, - u8 fm, u64 type); -extern void qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr, - unsigned int size_order, u64 type); -extern void qi_flush_dev_iotlb(struct intel_iommu *iommu, u16 sid, u16 pfsid, +struct dmar_drhd_unit *dmar_find_matched_drhd_unit(struct pci_dev *dev); + +int dmar_enable_qi(struct intel_iommu *iommu); +void dmar_disable_qi(struct intel_iommu *iommu); +int dmar_reenable_qi(struct intel_iommu *iommu); +void qi_global_iec(struct intel_iommu *iommu); + +void qi_flush_context(struct intel_iommu *iommu, u16 did, + u16 sid, u8 fm, u64 type); +void qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr, + unsigned int size_order, u64 type); +void qi_flush_dev_iotlb(struct intel_iommu *iommu, u16 sid, u16 pfsid, u16 qdep, u64 addr, unsigned mask); void qi_flush_piotlb(struct intel_iommu *iommu, u16 did, u32 pasid, u64 addr, @@ -830,7 +830,7 @@ int qi_submit_sync(struct intel_iommu *iommu, struct qi_desc *desc, */ #define QI_OPT_WAIT_DRAIN BIT(0) -extern int dmar_ir_support(void); +int dmar_ir_support(void); void *alloc_pgtable_page(int node, gfp_t gfp); void free_pgtable_page(void *vaddr); @@ -838,9 +838,9 @@ void iommu_flush_write_buffer(struct intel_iommu *iommu); struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn); #ifdef CONFIG_INTEL_IOMMU_SVM -extern void intel_svm_check(struct intel_iommu *iommu); -extern int intel_svm_enable_prq(struct intel_iommu *iommu); -extern int intel_svm_finish_prq(struct intel_iommu *iommu); +void intel_svm_check(struct intel_iommu *iommu); +int intel_svm_enable_prq(struct intel_iommu *iommu); +int intel_svm_finish_prq(struct intel_iommu *iommu); int intel_svm_page_response(struct device *dev, struct iommu_fault_event *evt, struct iommu_page_response *msg); struct iommu_domain *intel_svm_domain_alloc(void); @@ -887,8 +887,8 @@ extern const struct iommu_ops intel_iommu_ops; #ifdef CONFIG_INTEL_IOMMU extern int intel_iommu_sm; -extern int iommu_calculate_agaw(struct intel_iommu *iommu); -extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu); +int iommu_calculate_agaw(struct intel_iommu *iommu); +int iommu_calculate_max_sagaw(struct intel_iommu *iommu); int ecmd_submit_sync(struct intel_iommu *iommu, u8 ecmd, u64 oa, u64 ob); static inline bool ecmd_has_pmu_essential(struct intel_iommu *iommu) -- 2.34.1
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