diff options
| author | Tina Zhang <tina.zhang@intel.com> | 2024-09-02 10:27:22 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2024-09-02 18:15:01 +0200 |
| commit | 3297d047cd7f502ea7bd949fe070bf01c02aec3e (patch) | |
| tree | 4c08ba130e535ca8723ee806ac773af53e5e011d /drivers/iommu/intel/iommu.c | |
| parent | f701c9f36bcb7940f9c53413b508de8c9cb0321c (diff) | |
iommu/vt-d: Refactor IOTLB and Dev-IOTLB flush for batching
Extracts IOTLB and Dev-IOTLB invalidation logic from cache tag flush
interfaces into dedicated helper functions. It prepares the codebase
for upcoming changes to support batched cache invalidations.
To enable direct use of qi_flush helpers in the new functions,
iommu->flush.flush_iotlb and quirk_extra_dev_tlb_flush() are opened up.
No functional changes are intended.
Co-developed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Link: https://lore.kernel.org/r/20240815065221.50328-3-tina.zhang@intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel/iommu.c')
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 10468c871fe0..dfd33adffb14 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1184,9 +1184,8 @@ static void __iommu_flush_context(struct intel_iommu *iommu, raw_spin_unlock_irqrestore(&iommu->register_lock, flag); } -/* return value determine if we need a write buffer flush */ -static void __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did, - u64 addr, unsigned int size_order, u64 type) +void __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr, + unsigned int size_order, u64 type) { int tlb_offset = ecap_iotlb_offset(iommu->ecap); u64 val = 0, val_iva = 0; |