From: "Clément Léger" <cleger@rivosinc.com>
To: Jonathan Corbet <corbet@lwn.net>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Anup Patel <anup@brainfault.org>, Shuah Khan <shuah@kernel.org>
Cc: "Clément Léger" <cleger@rivosinc.com>,
"Atish Patra" <atishp@atishpatra.org>,
linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
kvm@vger.kernel.org, kvm-riscv@lists.infradead.org,
linux-kselftest@vger.kernel.org
Subject: [PATCH v3 10/11] RISC-V: KVM: Allow Zcmop extension for Guest/VM
Date: Tue, 23 Apr 2024 14:43:24 +0200 [thread overview]
Message-ID: <20240423124326.2532796-11-cleger@rivosinc.com> (raw)
In-Reply-To: <20240423124326.2532796-1-cleger@rivosinc.com>
Extend the KVM ISA extension ONE_REG interface to allow KVM user space
to detect and enable Zcmop extension for Guest/VM.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Acked-by: Anup Patel <anup@brainfault.org>
---
arch/riscv/include/uapi/asm/kvm.h | 1 +
arch/riscv/kvm/vcpu_onereg.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h
index 57db3fea679f..0366389a0bae 100644
--- a/arch/riscv/include/uapi/asm/kvm.h
+++ b/arch/riscv/include/uapi/asm/kvm.h
@@ -172,6 +172,7 @@ enum KVM_RISCV_ISA_EXT_ID {
KVM_RISCV_ISA_EXT_ZCB,
KVM_RISCV_ISA_EXT_ZCD,
KVM_RISCV_ISA_EXT_ZCF,
+ KVM_RISCV_ISA_EXT_ZCMOP,
KVM_RISCV_ISA_EXT_MAX,
};
diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c
index a2747a6dbdb6..77a0d337faeb 100644
--- a/arch/riscv/kvm/vcpu_onereg.c
+++ b/arch/riscv/kvm/vcpu_onereg.c
@@ -52,6 +52,7 @@ static const unsigned long kvm_isa_ext_arr[] = {
KVM_ISA_EXT_ARR(ZCB),
KVM_ISA_EXT_ARR(ZCD),
KVM_ISA_EXT_ARR(ZCF),
+ KVM_ISA_EXT_ARR(ZCMOP),
KVM_ISA_EXT_ARR(ZFA),
KVM_ISA_EXT_ARR(ZFH),
KVM_ISA_EXT_ARR(ZFHMIN),
@@ -136,6 +137,7 @@ static bool kvm_riscv_vcpu_isa_disable_allowed(unsigned long ext)
case KVM_RISCV_ISA_EXT_ZCB:
case KVM_RISCV_ISA_EXT_ZCD:
case KVM_RISCV_ISA_EXT_ZCF:
+ case KVM_RISCV_ISA_EXT_ZCMOP:
case KVM_RISCV_ISA_EXT_ZFA:
case KVM_RISCV_ISA_EXT_ZFH:
case KVM_RISCV_ISA_EXT_ZFHMIN:
--
2.43.0
next prev parent reply other threads:[~2024-04-23 12:43 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-23 12:43 [PATCH v3 00/11] Add support for a few Zc* extensions as well as Zcmop Clément Léger
2024-04-23 12:43 ` [PATCH v3 01/11] dt-bindings: riscv: add Zca, Zcf, Zcd and Zcb ISA extension description Clément Léger
2024-04-23 12:43 ` [PATCH v3 02/11] riscv: add ISA extensions validation Clément Léger
2024-04-26 14:23 ` Conor Dooley
2024-04-29 8:02 ` Clément Léger
2024-04-23 12:43 ` [PATCH v3 03/11] riscv: add ISA parsing for Zca, Zcf, Zcd and Zcb Clément Léger
2024-04-26 14:35 ` Conor Dooley
2024-04-23 12:43 ` [PATCH v3 04/11] riscv: hwprobe: export Zca, Zcf, Zcd and Zcb ISA extensions Clément Léger
2024-04-23 12:43 ` [PATCH v3 05/11] RISC-V: KVM: Allow Zca, Zcf, Zcd and Zcb extensions for Guest/VM Clément Léger
2024-04-23 12:43 ` [PATCH v3 06/11] KVM: riscv: selftests: Add some Zc* extensions to get-reg-list test Clément Léger
2024-04-23 12:43 ` [PATCH v3 07/11] dt-bindings: riscv: add Zcmop ISA extension description Clément Léger
2024-04-23 12:43 ` [PATCH v3 08/11] riscv: add ISA extension parsing for Zcmop Clément Léger
2024-04-23 12:43 ` [PATCH v3 09/11] riscv: hwprobe: export Zcmop ISA extension Clément Léger
2024-04-23 12:43 ` Clément Léger [this message]
2024-04-23 12:43 ` [PATCH v3 11/11] KVM: riscv: selftests: Add Zcmop extension to get-reg-list test Clément Léger
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=20240423124326.2532796-11-cleger@rivosinc.com \
--to=cleger@rivosinc.com \
--cc=anup@brainfault.org \
--cc=aou@eecs.berkeley.edu \
--cc=atishp@atishpatra.org \
--cc=conor@kernel.org \
--cc=corbet@lwn.net \
--cc=devicetree@vger.kernel.org \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=kvm-riscv@lists.infradead.org \
--cc=kvm@vger.kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
--cc=robh@kernel.org \
--cc=shuah@kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).