Ruslan Bukin
0424f19e9e
Move dmar_domain_unload_task to busdma_iommu.c.
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Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25972
2020-08-06 12:49:25 +00:00
Ruslan Bukin
16696f6057
Add iommu_domain constructor and destructor.
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Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25956
2020-08-06 08:48:23 +00:00
Ruslan Bukin
c4cd699010
o Add machine/iommu.h and include MD iommu headers from it,
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so we don't ifdef for every arch in busdma_iommu.c;
o No need to include specialreg.h for x86, remove it.
Requested by: andrew
Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25957
2020-08-05 19:11:31 +00:00
Ruslan Bukin
b64dca2b6f
Remove unneeded cast to struct iommu_domain *.
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Sponsored by: DARPA, AFRL
2020-08-04 20:54:12 +00:00
Mark Johnston
96ad26eefb
Remove free_domain() and uma_zfree_domain().
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These functions were introduced before UMA started ensuring that freed
memory gets placed in domain-local caches. They no longer serve any
purpose since UMA now provides their functionality by default. Remove
them to simplyify the kernel memory allocator interfaces a bit.
Reviewed by: cem, kib
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D25937
2020-08-04 13:58:36 +00:00
Ruslan Bukin
0eed04c802
Add iommu_domain_map_ops virtual table with map/unmap methods
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so x86 can support Intel DMAR and AMD IOMMU simultaneously.
Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25894
2020-07-31 23:02:17 +00:00
Ruslan Bukin
c8597a1f9f
o Don't include headers from iommu.h, include them from the header
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consumers instead;
o Order includes properly.
Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25878
2020-07-29 22:08:54 +00:00
Ruslan Bukin
1b0c9c21d9
o Move iommu_set_buswide_ctx, iommu_is_buswide_ctx to
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the generic iommu busdma backend;
o Move bus_dma_iommu_set_buswide, bus_dma_iommu_load_ident
prototypes to iommu.h.
Reviewed by: kib
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D25866
2020-07-29 13:23:27 +00:00
Ruslan Bukin
ea4c01156a
o Move the buswide_ctxs bitmap to iommu_unit and rename related functions.
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o Rename bus_dma_dmar_load_ident() as well.
Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25852
2020-07-28 16:08:14 +00:00
Ruslan Bukin
15f6baf445
Rename DMAR flags:
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o DMAR_DOMAIN_* -> IOMMU_DOMAIN_*
o DMAR_PGF_* -> IOMMU_PGF_*
Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25812
2020-07-26 12:29:22 +00:00
Ruslan Bukin
357149f037
o Make the _hw_iommu sysctl node non-static;
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o Move the dmar sysctl knobs to _hw_iommu_dmar.
Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25807
2020-07-25 21:37:07 +00:00
Ruslan Bukin
9c843a409b
o Move iommu gas prototypes, DMAR flags to iommu.h;
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o Move hw.dmar sysctl node to iommu_gas.c.
Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25802
2020-07-25 19:07:12 +00:00
Ruslan Bukin
3024e8af1e
Move Intel GAS to dev/iommu/ as now a part of generic iommu framework.
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Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25799
2020-07-25 11:34:50 +00:00
Ruslan Bukin
62ad310c93
Split-out the Intel GAS (Guest Address Space) management component
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from Intel DMAR support, so it can be used on other IOMMU systems.
Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25743
2020-07-25 09:28:38 +00:00
Ruslan Bukin
1238a28d15
Move sys/iommu.h to dev/iommu/ as a part of generic IOMMU busdma backend.
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Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25750
2020-07-21 13:50:10 +00:00
Ruslan Bukin
f2b2f31707
Move the Intel DMAR busdma backend to a generic place so
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it can be used on other IOMMU systems.
Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25720
2020-07-21 10:38:51 +00:00
