From: Leonardo Bras <leo.bras@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
Oliver Upton <oupton@kernel.org>, Fuad Tabba <tabba@google.com>,
Joey Gouly <joey.gouly@arm.com>,
Steffen Eiden <seiden@linux.ibm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Paolo Bonzini <pbonzini@redhat.com>,
James Morse <james.morse@arm.com>,
Leonardo Bras <leo.bras@arm.com>,
Yang Shi <yang@os.amperecomputing.com>,
mrigendrachaubey <mrigendra.chaubey@gmail.com>,
Thomas Huth <thuth@redhat.com>, Zeng Heng <zengheng4@huawei.com>,
Ryan Roberts <ryan.roberts@arm.com>,
Mark Brown <broonie@kernel.org>,
Sascha Bischoff <Sascha.Bischoff@arm.com>,
Yicong Yang <yangyicong@hisilicon.com>,
Kevin Brodsky <kevin.brodsky@arm.com>,
James Clark <james.clark@linaro.org>,
Raghavendra Rao Ananta <rananta@google.com>,
Yeoreum Yun <yeoreum.yun@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Anshuman Khandual <anshuman.khandual@arm.com>,
Tian Zheng <zhengtian10@huawei.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev,
kvm@vger.kernel.org
Subject: [PATCH v3 03/11] arm64/sysreg: Add HACDBS consumer and base registers
Date: Wed, 29 Jul 2026 11:45:38 +0100 [thread overview]
Message-ID: <20260729104548.3439958-4-leo.bras@arm.com> (raw)
In-Reply-To: <20260729104548.3439958-1-leo.bras@arm.com>
They will be used on a later commit to make use of the FEAT_HACDBS
mechanism if available.
Signed-off-by: Leonardo Bras <leo.bras@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
---
arch/arm64/tools/sysreg | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 7cb61aca3797..50ec9751b44d 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -4627,20 +4627,50 @@ EndEnum
Enum 9:8 IRGN0
0b00 NC
0b01 WBWA
0b10 WT
0b11 WBnWA
EndEnum
Field 7:6 SL0
Field 5:0 T0SZ
EndSysreg
+Sysreg HACDBSBR_EL2 3 4 2 3 4
+Res0 63:56
+Field 55:12 BADDR
+Field 11 EN
+Res0 10:4
+UnsignedEnum 3:0 SZ
+ 0b0000 4K
+ 0b0001 8K
+ 0b0010 16K
+ 0b0011 32K
+ 0b0100 64K
+ 0b0101 128K
+ 0b0110 256K
+ 0b0111 512K
+ 0b1000 1M
+ 0b1001 2M
+EndEnum
+EndSysreg
+
+Sysreg HACDBSCONS_EL2 3 4 2 3 5
+UnsignedEnum 63:62 ERR_REASON
+ 0b00 NOF
+ 0b01 STRUCTF
+ 0b10 IPAF
+ 0b11 IPAHACF
+EndEnum
+Res0 61:19
+Field 18:0 INDEX
+EndSysreg
+
Sysreg GCSCR_EL2 3 4 2 5 0
Fields GCSCR_ELx
EndSysreg
Sysreg GCSPR_EL2 3 4 2 5 1
Fields GCSPR_ELx
EndSysreg
Sysreg HDBSSBR_EL2 3 4 2 3 2
Res0 63:56
--
2.55.0
next prev parent reply other threads:[~2026-07-29 10:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-29 10:45 [PATCH v3 00/11] KVM Dirty-bit cleaning hw accelerator (HACDBS) Leonardo Bras
2026-07-29 10:45 ` [PATCH v3 01/11] KVM: arm64: HDBSS bits Leonardo Bras
2026-07-29 10:45 ` [PATCH v3 02/11] arm64/cpufeature: Add system-wide FEAT_HACDBS detection Leonardo Bras
2026-07-29 10:45 ` Leonardo Bras [this message]
2026-07-29 10:45 ` [PATCH v3 04/11] KVM: arm64: dirty_bit: Add base FEAT_HACDBS cleaning routine Leonardo Bras
2026-07-29 10:45 ` [PATCH v3 05/11] kvm: Add arch-generic interface for hw-accelerated dirty-bitmap cleaning Leonardo Bras
2026-07-29 10:45 ` [PATCH v3 06/11] KVM: arm64: Add hardware-accelerated dirty-bitmap cleaning routine Leonardo Bras
2026-07-29 10:45 ` [PATCH v3 07/11] KVM: arm64: Dirty-bitmap: avoid splitting previously split blocks Leonardo Bras
2026-07-29 10:45 ` [PATCH v3 08/11] kvm/dirty_ring: Introduce get_memslot and move helpers to header Leonardo Bras
2026-07-29 10:45 ` [PATCH v3 09/11] kvm/dirty_ring: Add arch-generic interface for hw-accelerated dirty-ring cleaning Leonardo Bras
2026-07-29 10:45 ` [PATCH v3 10/11] KVM: arm64: Add hardware-accelerated dirty-ring cleaning routine Leonardo Bras
2026-07-29 10:45 ` [PATCH v3 11/11] KVM: arm64: Enable KVM_HW_DIRTY_BIT Leonardo Bras
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