From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.124 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794214141; b=21WeRxfauNrAjk8qyK7CdCTjkSaLcuDwqej8P5xOD64h3rVqtP0uLfZFcYSdHcpwuCGo 8Xmi0TZ1VvpSDnXc80PCJ0r9IOKL4RomCZLf2JCYzCp13q7gGfSPW4PdiJ2U9SniJ+IKt 4AR+Gqpl1gvPiEBT9PS76r2MLY7HWE5HM+lgUznvwmdWdNNMPqYfLZkotYIrPapr8OwIK XR2t5Fx9UaAks3xY8I2Z9mV5sD9I9L4BQ94s1tx1G+AKKxZ6q3jTJj3O3QTXG6Q+ar1s2 P4QKDUNo+5di/DR6taESTi88zmjntzumaB3MHmp74oppaPYyqHqawnMLl8N/KfcqCtA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794214141; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:From:To:Cc:Subject:Date:Message-ID: X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; bh=Wgtb9kfhJDQT6OIlDEFANW5PARd8orgbcoPjl6TcZEI=; b=aHmhWevwtYnkNoZaFbt+1cmTXg4YJS/+0xSFGD6GqrYT4Q68sN7ijKv4QkZ6FCWnregN kyFqtq1oTlO/eV0XycDGAmPet4T2EZCfaN6Bk7286pQCK2JLpHjr1gIuGK+xFMPkydUgE BCCR0Q5sx+Yo4pi0tALhxRxlRFqOObD9OGY4qUR/qDaCAC/bi8b2dHGvcUkFSNGMA7b9Y Fk8LQX+iet8Q2kVdU6QJX6+F4CYMfYAqIWcv/2B3uJ0ueG7/NF4ums/DJEcaIqIYduCFn LqJmY4cIcSSL5iibSMNhBGcmLF9lmL2qxpGRdyIZYstuu83xnAhHsKrBkzij8QyN9QA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=xUE2XDbC; arc=none smtp.remote-ip=95.215.58.124 Received: from mta1.migadu.com (out-124.mta1.migadu.com [95.215.58.124]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CBF66606D828 for ; Mon, 9 Nov 2026 08:49:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org CBF66606D828 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=xUE2XDbC X-Envelope-To: kvm@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=zy9OoZoEVLZKrHt/PA6PNvYObGqJuDPk1PHvlEStbBI=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794214138; v=1; x=1794818938; b=xUE2XDbCaqBbVKskeiKy2ftjBsKJBTjKsKOUk3+AlUEt800GCDkt+XLsEzrDPP4++oLUe/Sc kltUsxIjUnyLZX/zbQFnEsrGZZLrBklow/92IZhTy3ulWM/mwL0qmesvCjtoWfPhMe/g48rfIYK YB9fG3I5Rk2G+j5CGS1UfY6I= X-Envelope-To: kvm@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id d8a3008bccb79f4a; Mon, 09 Nov 2026 08:48:57 +0000 X-Mizu-Trace-ID: d8a3008bccb79f4a X-Migadu-Flow: FLOW_OUT From: Fuad Tabba To: Marc Zyngier , Oliver Upton Cc: Will Deacon , Catalin Marinas , Mark Rutland , Paolo Bonzini , Sean Christopherson , Shuah Khan , Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , Vincent Donnefort , Quentin Perret , Fuad Tabba , kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 04/19] tools: arm-smccc: Add the pKVM memory sharing function IDs Date: Mon, 9 Nov 2026 08:48:39 +0000 Message-ID: <20261109084854.840576-5-fuad.tabba@linux.dev> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261109084854.840576-1-fuad.tabba@linux.dev> References: <20261109084854.840576-1-fuad.tabba@linux.dev> X-Mailing-List: kvm@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The tools copy of arm-smccc.h lacks the pKVM guest hypercalls that the protected-VM selftests make. The kernel's arm-smccc.h defines the vendor-hyp UID with UUID_INIT(), which requires linux/uuid.h, and tools doesn't have one. So rather than sync the whole header, copy the function numbers and IDs of HYP_MEMINFO, MEM_SHARE and MEM_UNSHARE from include/linux/arm-smccc.h. Signed-off-by: Fuad Tabba --- tools/include/linux/arm-smccc.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tools/include/linux/arm-smccc.h b/tools/include/linux/arm-smccc.h index 63ce9bebccd32..8c8f4ad639018 100644 --- a/tools/include/linux/arm-smccc.h +++ b/tools/include/linux/arm-smccc.h @@ -111,6 +111,10 @@ /* KVM "vendor specific" services */ #define ARM_SMCCC_KVM_FUNC_FEATURES 0 #define ARM_SMCCC_KVM_FUNC_PTP 1 +/* Start of pKVM hypercall range */ +#define ARM_SMCCC_KVM_FUNC_HYP_MEMINFO 2 +#define ARM_SMCCC_KVM_FUNC_MEM_SHARE 3 +#define ARM_SMCCC_KVM_FUNC_MEM_UNSHARE 4 #define ARM_SMCCC_KVM_FUNC_FEATURES_2 127 #define ARM_SMCCC_KVM_NUM_FUNCS 128 @@ -133,6 +137,24 @@ ARM_SMCCC_OWNER_VENDOR_HYP, \ ARM_SMCCC_KVM_FUNC_PTP) +#define ARM_SMCCC_VENDOR_HYP_KVM_HYP_MEMINFO_FUNC_ID \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_64, \ + ARM_SMCCC_OWNER_VENDOR_HYP, \ + ARM_SMCCC_KVM_FUNC_HYP_MEMINFO) + +#define ARM_SMCCC_VENDOR_HYP_KVM_MEM_SHARE_FUNC_ID \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_64, \ + ARM_SMCCC_OWNER_VENDOR_HYP, \ + ARM_SMCCC_KVM_FUNC_MEM_SHARE) + +#define ARM_SMCCC_VENDOR_HYP_KVM_MEM_UNSHARE_FUNC_ID \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_64, \ + ARM_SMCCC_OWNER_VENDOR_HYP, \ + ARM_SMCCC_KVM_FUNC_MEM_UNSHARE) + /* ptp_kvm counter type ID */ #define KVM_PTP_VIRT_COUNTER 0 #define KVM_PTP_PHYS_COUNTER 1 -- 2.47.3