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Mon, 20 Jul 2020 21:18:02 -0700 (PDT) From: Sergey Senozhatsky To: Will Deacon , Marc Zyngier , James Morse , Julien Thierry , Suzuki K Poulose Subject: [RFC][PATCH 1/4] arm64:kvm: define pv_state SMCCC HV calls Date: Tue, 21 Jul 2020 13:17:39 +0900 Message-Id: <20200721041742.197354-2-sergey.senozhatsky@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200721041742.197354-1-sergey.senozhatsky@gmail.com> References: <20200721041742.197354-1-sergey.senozhatsky@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200721_001806_127082_662AC5EB X-CRM114-Status: GOOD ( 10.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: joelaf@google.com, linux-kernel@vger.kernel.org, Sergey Senozhatsky , suleiman@google.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org These will be used later on to configure and enable vCPU PV-state support, which is needed for vcpu_is_preempted(). Signed-off-by: Sergey Senozhatsky --- include/linux/arm-smccc.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index 15c706fb0a37..cba054662692 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -99,6 +99,24 @@ ARM_SMCCC_OWNER_STANDARD_HYP, \ 0x21) +#define ARM_SMCCC_HV_PV_STATE_FEATURES \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_64, \ + ARM_SMCCC_OWNER_STANDARD_HYP, \ + 0x22) + +#define ARM_SMCCC_HV_PV_STATE_INIT \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_64, \ + ARM_SMCCC_OWNER_STANDARD_HYP, \ + 0x23) + +#define ARM_SMCCC_HV_PV_STATE_RELEASE \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_64, \ + ARM_SMCCC_OWNER_STANDARD_HYP, \ + 0x24) + /* * Return codes defined in ARM DEN 0070A * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C -- 2.27.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel