From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.128 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794214141; b=td3woxTbJBSHLt311CLnhFLFuSY76IU0y3rGnpBfGV/4/vbQFPAiuIl/Gnu+2VM99Vm/ QZTVFH3n2Old4NX4Xj8vbsImx2poHbo6bnwzYt82sdXzLir03Q4XTEJFSmwsDFPTrwoYw rbfFvsN19PPOR/81lm9A/r4Jn0cH+mftvv9/nno/1oQMZuvDz8qO7gzvAVV8AIVo/t88K v74SBZrnBeAmPykAugeDUIYO43LCW6VixVy9Vl/UxhfzhbiZST2PY5ejtzEPD+G6ogwgS t04t0+llqY2cGG9KynPasSdO/F6P+9XNCY6qbscxhKuTTsTe4XkCW9xrhxDhDvpWPvw== 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=Kpb8QArrGt3lsTGEuyqBmHjkrUa/LDm5H790vvx3+ZZG5kKC8RxW6jnBnPfn0FY/eL7c R+SmlC5sVDbcwpO79cGICsZlDNZ026B3b9R4DaBaTpedOe0Dc9inK7LzCjqtDc86OnPkN KJ0H3gIS7gc3XnbDem3cqeEYfgxcA/c/J7lgb9l642HHyHq9LuWrtWdiw9vzloqpGhuPn moCM1vB5GKavnWUOUAjQT/7DnGmo+AJ3t1f4mKdOYNf1xy1paJRfEChf2TYDKXkRH7YIn BLktwUgHkXlsyCeFHEYjKbtppkj930AprFYJHxzc82UMfctDljQdt8YznLF6Rr/rqdw== 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=miGUCVrv; arc=none smtp.remote-ip=95.215.58.128 Received: from mta1.migadu.com (out-128.mta1.migadu.com [95.215.58.128]) (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 3DB91606D82E for ; Mon, 9 Nov 2026 08:49:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 3DB91606D82E 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=miGUCVrv X-Envelope-To: linux-kernel@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=1794214139; v=1; x=1794818939; b=miGUCVrvJufBAYD4nQ4Mr4V/oWr077wWuAHlTXnc+xnIGO36zplrKgeVOB80+uJccnfjscnf kroAvneRR9sldAQvsrB+asOl8eYrp5n6w359bAbYAS0aMujA6EzyeLX/0GqfMa2LKzNqTvo1yN2 BwNzVMKoMlvzd0nB+/9zMVfk= X-Envelope-To: linux-kernel@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: linux-kernel@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