DMAR: handle affinity for in-memory data structures

Reviewed and tested by: markj
Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revis

DMAR: handle affinity for in-memory data structures

Reviewed and tested by: markj
Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D47254

show more ...

dmar: on unmap, postpone freeing page table pages after the invalidation is done

IOMMU is free to access page tables until we invalidate them

Sponsored by: Advanced Micro Devices (AMD)
Sponsored by

dmar: on unmap, postpone freeing page table pages after the invalidation is done

IOMMU is free to access page tables until we invalidate them

Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week

show more ...

iommu: extend iommu_map_entry to store the list of associated freed page table pages

The pages are inserted into the added slist if the entry parameter is
passed to iommu_pgfree(). For now it is no

iommu: extend iommu_map_entry to store the list of associated freed page table pages

The pages are inserted into the added slist if the entry parameter is
passed to iommu_pgfree(). For now it is nop.

Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week

show more ...

iommu: change iommu_domain_map_ops to take iommu_map_entry

instead of base/size.

Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week

intel_idpgtbl.c: rename domain_* functions to dmar_*

Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week

dmar: avoid excessive indirection in KASSERT() in domain_map_buf()

Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week

x86 iommu: move page level related functions to common utils

Also improve pglvl_page_size() to handle level 6.

Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC af

x86 iommu: move page level related functions to common utils

Also improve pglvl_page_size() to handle level 6.

Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week

show more ...

DMAR: rename domain_{alloc,free}_pgtbl to domain_domain_$1_pgtbl

Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week

DMAR pagetables pages: handle ref_count special references

Preserve object reference and block bit during refcount arithmetic
and obliteration, by using vm_page_wire()/unwire_noq().

Reviewed by: ma

DMAR pagetables pages: handle ref_count special references

Preserve object reference and block bit during refcount arithmetic
and obliteration, by using vm_page_wire()/unwire_noq().

Reviewed by: markj
Sponsored by: Advanced Micro Devices (AMD)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D45910

show more ...

x86/iommu: extract useful utilities into x86_iommu.c

related to the page tables page allocation and mapping.

Sponsored by: The FreeBSD Foundation
Sponsored by: Advanced Micro Devices (AMD)
MFC afte

x86/iommu: extract useful utilities into x86_iommu.c

related to the page tables page allocation and mapping.

Sponsored by: The FreeBSD Foundation
Sponsored by: Advanced Micro Devices (AMD)
MFC after: 1 week

show more ...

sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remov

sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

show more ...

sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

show more ...

DMAR: clean up warnings about write-only variables

For some of them, used only when KTR or KMSAN are configured, apply
__unused attribute directly.

Sponsored by: The FreeBSD Foundation
MFC after: 1

DMAR: clean up warnings about write-only variables

For some of them, used only when KTR or KMSAN are configured, apply
__unused attribute directly.

Sponsored by: The FreeBSD Foundation
MFC after: 1 week

show more ...

Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights

These ones were unambiguous cases where the Foundation was the only
listed copyright holder (in the associated license block).

S

Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights

These ones were unambiguous cases where the Foundation was the only
listed copyright holder (in the associated license block).

Sponsored by: The FreeBSD Foundation

show more ...

x86: clean up empty lines in .c and .h files

MFH

Sponsored by: Rubicon Communications, LLC (netgate.com)

Merge ^/head r363739 through r363986.

Add iommu_domain constructor and destructor.

Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25956

Add a few macroses for conversion between DMAR unit, domain, ctx
and IOMMU unit, domain, ctx.

Reviewed by: kib
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D25926

Add iommu_domain_map_ops virtual table with map/unmap methods
so x86 can support Intel DMAR and AMD IOMMU simultaneously.

Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://rev

Add iommu_domain_map_ops virtual table with map/unmap methods
so x86 can support Intel DMAR and AMD IOMMU simultaneously.

Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25894

show more ...

MFH

Sponsored by: Rubicon Communications, LLC (netgate.com)

Merge ^/head r363583 through r363738.

o Don't include headers from iommu.h, include them from the header
consumers instead;
o Order includes properly.

Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.fr

o Don't include headers from iommu.h, include them from the header
consumers instead;
o Order includes properly.

Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25878

show more ...

Rename DMAR flags:
o DMAR_DOMAIN_* -> IOMMU_DOMAIN_*
o DMAR_PGF_* -> IOMMU_PGF_*

Reviewed by: kib
Sponsored by: DARPA/AFRL
Differential Revision: https://reviews.freebsd.org/D25812