Author: br
Date: Wed Oct 14 14:12:15 2020
New Revision: 366702
URL: https://svnweb.freebsd.org/changeset/base/366702
Log:
Add iommu_get_ctx_domain() that allows to get iommu domain for a given
iommu context.
Submitted by: andrew
Sponsored by: Innovate DSbD
Modified:
head/sys/dev/iommu/iommu.h
head/sys/dev/iommu/iommu_gas.c
Modified: head/sys/dev/iommu/iommu.h
==============================================================================
--- head/sys/dev/iommu/iommu.h Wed Oct 14 13:39:50 2020 (r366701)
+++ head/sys/dev/iommu/iommu.h Wed Oct 14 14:12:15 2020 (r366702)
@@ -234,6 +234,7 @@ int bus_dma_iommu_load_ident(bus_dma_tag_t dmat, bus_d
bus_dma_tag_t iommu_get_dma_tag(device_t dev, device_t child);
struct iommu_ctx *iommu_get_dev_ctx(device_t dev);
+struct iommu_domain *iommu_get_ctx_domain(struct iommu_ctx *ctx);
SYSCTL_DECL(_hw_iommu);
Modified: head/sys/dev/iommu/iommu_gas.c
==============================================================================
--- head/sys/dev/iommu/iommu_gas.c Wed Oct 14 13:39:50 2020
(r366701)
+++ head/sys/dev/iommu/iommu_gas.c Wed Oct 14 14:12:15 2020
(r366702)
@@ -208,6 +208,13 @@ iommu_gas_rb_remove(struct iommu_domain *domain, struc
RB_REMOVE(iommu_gas_entries_tree, &domain->rb_root, entry);
}
+struct iommu_domain *
+iommu_get_ctx_domain(struct iommu_ctx *ctx)
+{
+
+ return (ctx->domain);
+}
+
void
iommu_gas_init_domain(struct iommu_domain *domain)
{
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