linux-kernel - [PATCHv2 1/4] arm64: smccc: Add SMCCC pv-vcpu-state function call IDs

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Message-Id: <20210709043713.887098-2-senozhatsky@chromium.org>
Date:   Fri,  9 Jul 2021 13:37:10 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Marc Zyngier <maz@...nel.org>, Will Deacon <will@...nel.org>
Cc:     Suleiman Souhlal <suleiman@...gle.com>,
        Joel Fernandes <joelaf@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        Sergey Senozhatsky <senozhatsky@...omium.org>
Subject: [PATCHv2 1/4] arm64: smccc: Add SMCCC pv-vcpu-state function call IDs

Add the definitions of the SMCCC functions that will be
used to paravirt VCPU state configuration.

Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>
---
 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 7d1cabe15262..dbf0d658e54a 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -177,6 +177,24 @@
 			   ARM_SMCCC_OWNER_STANDARD,		\
 			   0x53)
 
+#define ARM_SMCCC_HV_PV_VCPU_STATE_FEATURES			\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,			\
+			   ARM_SMCCC_SMC_64,			\
+			   ARM_SMCCC_OWNER_STANDARD_HYP,	\
+			   0x60)
+
+#define ARM_SMCCC_HV_PV_VCPU_STATE_INIT			\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,			\
+			   ARM_SMCCC_SMC_64,			\
+			   ARM_SMCCC_OWNER_STANDARD_HYP,	\
+			   0x61)
+
+#define ARM_SMCCC_HV_PV_VCPU_STATE_RELEASE			\
+	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,			\
+			   ARM_SMCCC_SMC_64,			\
+			   ARM_SMCCC_OWNER_STANDARD_HYP,	\
+			   0x62)
+
 /*
  * Return codes defined in ARM DEN 0070A
  * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C
-- 
2.32.0.93.g670b81a890-goog