#include <linux/interrupt.h>
#include <asm/page.h>
+#include "intel-pasid.h"
+
#define PASID_ENTRY_P BIT_ULL(0)
#define PASID_ENTRY_FLPM_5LP BIT_ULL(9)
#define PASID_ENTRY_SRE BIT_ULL(11)
iommu->name);
}
- idr_init(&iommu->pasid_idr);
-
return 0;
}
free_pages((unsigned long)iommu->pasid_state_table, order);
iommu->pasid_state_table = NULL;
}
- idr_destroy(&iommu->pasid_idr);
+
return 0;
}
pasid_max = iommu->pasid_max;
/* Do not use PASID 0 in caching mode (virtualised IOMMU) */
- ret = idr_alloc(&iommu->pasid_idr, svm,
- !!cap_caching_mode(iommu->cap),
- pasid_max - 1, GFP_KERNEL);
+ ret = intel_pasid_alloc_id(svm,
+ !!cap_caching_mode(iommu->cap),
+ pasid_max - 1, GFP_KERNEL);
if (ret < 0) {
kfree(svm);
kfree(sdev);
if (mm) {
ret = mmu_notifier_register(&svm->notifier, mm);
if (ret) {
- idr_remove(&svm->iommu->pasid_idr, svm->pasid);
+ intel_pasid_free_id(svm->pasid);
kfree(svm);
kfree(sdev);
goto out;
if (!iommu || !iommu->pasid_table)
goto out;
- svm = idr_find(&iommu->pasid_idr, pasid);
+ svm = intel_pasid_lookup_id(pasid);
if (!svm)
goto out;
svm->iommu->pasid_table[svm->pasid].val = 0;
wmb();
- idr_remove(&svm->iommu->pasid_idr, svm->pasid);
+ intel_pasid_free_id(svm->pasid);
if (svm->mm)
mmu_notifier_unregister(&svm->notifier, svm->mm);
if (!iommu || !iommu->pasid_table)
goto out;
- svm = idr_find(&iommu->pasid_idr, pasid);
+ svm = intel_pasid_lookup_id(pasid);
if (!svm)
goto out;
if (!svm || svm->pasid != req->pasid) {
rcu_read_lock();
- svm = idr_find(&iommu->pasid_idr, req->pasid);
+ svm = intel_pasid_lookup_id(req->pasid);
/* It *can't* go away, because the driver is not permitted
* to unbind the mm while any page faults are outstanding.
* So we only need RCU to protect the internal idr code. */