linux-kernel - [PATCH 2/3] iommu: add capability IOMMU_CAP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <1413205579-6124-3-git-send-email-a.motakis@virtualopensystems.com>
Date:	Mon, 13 Oct 2014 15:06:17 +0200
From:	Antonios Motakis <a.motakis@...tualopensystems.com>
To:	will.deacon@....com, kvmarm@...ts.cs.columbia.edu,
	iommu@...ts.linux-foundation.org, jroedel@...e.de
Cc:	alex.williamson@...hat.com, tech@...tualopensystems.com,
	christoffer.dall@...aro.org, eric.auger@...aro.org,
	kim.phillips@...escale.com, marc.zyngier@....com,
	Antonios Motakis <a.motakis@...tualopensystems.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Thierry Reding <treding@...dia.com>,
	Alexey Kardashevskiy <aik@...abs.ru>,
	"Upinder Malhi (umalhi)" <umalhi@...co.com>,
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 2/3] iommu: add capability IOMMU_CAP_NOEXEC

Some IOMMUs accept an IOMMU_NOEXEC protection flag in addition to
IOMMU_READ and IOMMU_WRITE. Expose this as an IOMMU capability.

Signed-off-by: Antonios Motakis <a.motakis@...tualopensystems.com>
Acked-by: Joerg Roedel <jroedel@...e.de>
---
 include/linux/iommu.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 5f6f71c..ba026f1 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -61,6 +61,7 @@ enum iommu_cap {
 	IOMMU_CAP_CACHE_COHERENCY,	/* IOMMU can enforce cache coherent DMA
 					   transactions */
 	IOMMU_CAP_INTR_REMAP,		/* IOMMU supports interrupt isolation */
+	IOMMU_CAP_NOEXEC,		/* IOMMU_NOEXEC flag */
 };
 
 /*
-- 
2.1.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/