All of lore.kernel.org
 help / color / mirror / Atom feed
From: Fuad Tabba <tabba@google.com>
To: kvmarm@lists.linux.dev
Cc: maz@kernel.org, oliver.upton@linux.dev, james.morse@arm.com,
	 suzuki.poulose@arm.com, yuzenghui@huawei.com,
	catalin.marinas@arm.com,  will@kernel.org, eric.auger@redhat.com,
	jingzhangos@google.com,  joey.gouly@arm.com, tabba@google.com,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1 6/6] KVM: arm64: Mark features as supported for protected VMs
Date: Tue,  5 Dec 2023 10:22:48 +0000	[thread overview]
Message-ID: <20231205102248.1915895-7-tabba@google.com> (raw)
In-Reply-To: <20231205102248.1915895-1-tabba@google.com>

Add features supported for protected VMs to the allow list.

Signed-off-by: Fuad Tabba <tabba@google.com>
---
 arch/arm64/kvm/hyp/include/nvhe/fixed_config.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h b/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
index e91922daa8ca..e628541585fc 100644
--- a/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
+++ b/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
@@ -101,6 +101,7 @@
  * - Privileged Access Never
  * - SError interrupt exceptions from speculative reads
  * - Enhanced Translation Synchronization
+ * - Control for cache maintenance permission
  */
 #define PVM_ID_AA64MMFR1_ALLOW (\
 	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_HAFDBS) | \
@@ -108,7 +109,8 @@
 	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_HPDS) | \
 	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_PAN) | \
 	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_SpecSEI) | \
-	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_ETS) \
+	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_ETS) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_CMOW) \
 	)
 
 /*
-- 
2.43.0.rc2.451.g8631bc7472-goog


WARNING: multiple messages have this Message-ID (diff)
From: Fuad Tabba <tabba@google.com>
To: kvmarm@lists.linux.dev
Cc: maz@kernel.org, oliver.upton@linux.dev, james.morse@arm.com,
	 suzuki.poulose@arm.com, yuzenghui@huawei.com,
	catalin.marinas@arm.com,  will@kernel.org, eric.auger@redhat.com,
	jingzhangos@google.com,  joey.gouly@arm.com, tabba@google.com,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1 6/6] KVM: arm64: Mark features as supported for protected VMs
Date: Tue,  5 Dec 2023 10:22:48 +0000	[thread overview]
Message-ID: <20231205102248.1915895-7-tabba@google.com> (raw)
In-Reply-To: <20231205102248.1915895-1-tabba@google.com>

Add features supported for protected VMs to the allow list.

Signed-off-by: Fuad Tabba <tabba@google.com>
---
 arch/arm64/kvm/hyp/include/nvhe/fixed_config.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h b/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
index e91922daa8ca..e628541585fc 100644
--- a/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
+++ b/arch/arm64/kvm/hyp/include/nvhe/fixed_config.h
@@ -101,6 +101,7 @@
  * - Privileged Access Never
  * - SError interrupt exceptions from speculative reads
  * - Enhanced Translation Synchronization
+ * - Control for cache maintenance permission
  */
 #define PVM_ID_AA64MMFR1_ALLOW (\
 	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_HAFDBS) | \
@@ -108,7 +109,8 @@
 	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_HPDS) | \
 	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_PAN) | \
 	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_SpecSEI) | \
-	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_ETS) \
+	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_ETS) | \
+	ARM64_FEATURE_MASK(ID_AA64MMFR1_EL1_CMOW) \
 	)
 
 /*
-- 
2.43.0.rc2.451.g8631bc7472-goog


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2023-12-05 10:23 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-05 10:22 [PATCH v1 0/6] KVM: arm64: Fixes to fine grain traps and pKVM traps Fuad Tabba
2023-12-05 10:22 ` Fuad Tabba
2023-12-05 10:22 ` [PATCH v1 1/6] KVM: arm64: Update and fix FGT register masks Fuad Tabba
2023-12-05 10:22   ` Fuad Tabba
2023-12-05 11:19   ` Marc Zyngier
2023-12-05 11:19     ` Marc Zyngier
2023-12-05 11:48     ` Fuad Tabba
2023-12-05 11:48       ` Fuad Tabba
2023-12-05 10:22 ` [PATCH v1 2/6] KVM: arm64: Add bit masks for HAFGRTR_EL2 Fuad Tabba
2023-12-05 10:22   ` Fuad Tabba
2023-12-05 10:22 ` [PATCH v1 3/6] KVM: arm64: Add build validation for trap mask values Fuad Tabba
2023-12-05 10:22   ` Fuad Tabba
2023-12-05 10:22 ` [PATCH v1 4/6] KVM: arm64: Calculate FGT RES0 Bits Fuad Tabba
2023-12-05 10:22   ` Fuad Tabba
2023-12-05 10:22 ` [PATCH v1 5/6] KVM: arm64: Trap external trace for protected VMs Fuad Tabba
2023-12-05 10:22   ` Fuad Tabba
2023-12-05 10:22 ` Fuad Tabba [this message]
2023-12-05 10:22   ` [PATCH v1 6/6] KVM: arm64: Mark features as supported " Fuad Tabba

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20231205102248.1915895-7-tabba@google.com \
    --to=tabba@google.com \
    --cc=catalin.marinas@arm.com \
    --cc=eric.auger@redhat.com \
    --cc=james.morse@arm.com \
    --cc=jingzhangos@google.com \
    --cc=joey.gouly@arm.com \
    --cc=kvmarm@lists.linux.dev \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=maz@kernel.org \
    --cc=oliver.upton@linux.dev \
    --cc=suzuki.poulose@arm.com \
    --cc=will@kernel.org \
    --cc=yuzenghui@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.