From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 202EF4DEC37 for ; Mon, 21 Sep 2026 16:48:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790009290; cv=none; b=iGzB/yK/SXIDJr7A0orteXCg9CARsUeeNF/aa811whhmV1xNWasoyIOrEE7hfWqSeHbGBC/QnVm5/7se8AqapOJgDH/9ygF400gCO8wSwnWWTFkwo06sfxXdv+b7qOOd+5CWIAMX2TnLIz0S/RXYAUPKp2Pswbs0xMLYsR0T830= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790009290; c=relaxed/simple; bh=Tv2EYCjkKjWE0I+S4Qhzl4FRcnMQDBTtZC0liA4U2PE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=VNqwWIn3KTIs7wYMwC9I9NGKq88zGXhP+PIOaPoUI4DCBoHmRx9DcTZkFLrzjFByWaLAC9/DhcMe+V/H+dx9/+bDvb+nRr0eVZs1azREAowAsipPc3wpUpFAEOfsg+BXZtIu6lvUUvBNc52RXfLYVcf/uK/G/09l+o5+O2qEQkM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--snehalreddy.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=nkK22faf; arc=none smtp.client-ip=209.85.128.70 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--snehalreddy.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="nkK22faf" Received: by mail-wm1-f70.google.com with SMTP id 5b1f17b1804b1-49e735659b7so26463475e9.3 for ; Mon, 21 Sep 2026 09:48:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1790009287; x=1790614087; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=FMNXFwmnx5s7vUZ96ZeGip3cvNMdnWK8inpODzkfR5o=; b=nkK22fafC+7jAZ7qMjTSpqZ4cgRoptozn56cjpvXOANJo7nlUH4KAtsiNH1gO3Znvw FaX4u8lB5xD4WIW/Mhfm1BZprVzPtoVwYS45+RR4lnSb40jc2NaFyOhLspxgmdgcWP2G 2QwCnVnZjoFnqbnS1vIsAmiGRF88JICNSWwtBOuIgYgknUYfm/6L/dDUjiLVhT0jKCcd +JpI8xMvFY28lo4mb29Y5+GuTtcLt71dmzuknpvVTAdBkjEMha9kvFF76T65saFpErTD MVZseOaT4hPSxhT+ZJpmAqCL1icte906lQbEsBN7s5zYrXLPMAfjvohc8Unx+nA+f3tH R7cQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790009287; x=1790614087; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=FMNXFwmnx5s7vUZ96ZeGip3cvNMdnWK8inpODzkfR5o=; b=U7MgzXmJA//rWBm5Ext7Bw542GS41+kqz47qoHNTIdXlfk4uQMV8Gm4zJsHM7RgrVj HwKONIHcwD7BTZ+q1p/1oCHvgtxe2SYl//DlzmtuH+nz8F8ztWcufiKlctE+nTN+L+kU WEWB7qNF2kwtv4TiHgOFOb0jLDORB71HGkmIQ9j9UKSWsK0ODd9YpQUoR3mmow+X5bYi N4IaVGgIR8ry8JoqSzYGVhxgdgMy2ZX2u0PSkTb/eVrjPustlgbm3125Ivwxr799rmWH hANW4shM/kRG3zFwqnC5EXs3N1c4B4/d5Fp6ifm5IOvyNBEhu+6jIDQBSiizjOH93UUh JGwA== X-Forwarded-Encrypted: i=1; AKwUvBxOAEgFnFTQsM4JFnxuaTR6g60ZhhIgh5E77TOGIPzZj6tN5mzYNmLsK+6wEzAMxyuqXQdTHg1gxt8U0XI=@vger.kernel.org X-Gm-Message-State: AFuF++l6kAHOk39Zi+cCS/wDsmS88YpFqQZwhvjlWjCCXetu5QWB8y3X pqy578fy5Gmw/huz/HEPg2xYNxv5A3BYH+TwBxpk7+TX2tdTSaIFLIeIvdDAWIKg+nHcYbJEf4q oV9yvklTn6+mQCzNLlozDxhrizg== X-Received: from wmber9.prod.google.com ([2002:a05:600c:84c9:b0:499:b8f0:3186]) (user=snehalreddy job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:314a:b0:49f:ce73:7aa with SMTP id 5b1f17b1804b1-49fce730865mr103151975e9.35.1790009286746; Mon, 21 Sep 2026 09:48:06 -0700 (PDT) Date: Mon, 21 Sep 2026 16:47:47 +0000 In-Reply-To: <20260921164748.2958578-1-snehalreddy@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260921164748.2958578-1-snehalreddy@google.com> X-Mailer: git-send-email 2.55.0.1082.g2b9226bbc0-goog Message-ID: <20260921164748.2958578-2-snehalreddy@google.com> Subject: [PATCH 1/2] firmware: arm_ffa: Add FFA_FN64_MEM_RECLAIM2 function ID From: Snehal Koukuntla To: Marc Zyngier , Oliver Upton , Catalin Marinas , Will Deacon , Sudeep Holla Cc: Vincent Donnefort , Fuad Tabba , Joey Gouly , Suzuki K Poulose , Mark Rutland , Sebastian Ene , Mostafa Saleh , Snehal Koukuntla , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" FF-A v1.3 ALP5 (DEN0140 rev J) introduces the optional FFA_MEM_RECLAIM2 (0xC4000091) ABI, which enables an Owner to reclaim exclusive access to a subset of pages of a memory region without requiring the Relayer to maintain intermediate transaction state. Add the FFA_FN64_MEM_RECLAIM2 function ID definition to arm_ffa.h. Link: https://support.arm.com/documentation/den0140/j Signed-off-by: Snehal Koukuntla --- include/linux/arm_ffa.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index e71d83ee0aef..c78cfd72832a 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -78,6 +78,7 @@ #define FFA_EL3_INTR_HANDLE FFA_SMC_32(0x8C) #define FFA_MSG_SEND_DIRECT_REQ2 FFA_SMC_64(0x8D) #define FFA_MSG_SEND_DIRECT_RESP2 FFA_SMC_64(0x8E) +#define FFA_FN64_MEM_RECLAIM2 FFA_SMC_64(0x91) /* * For some calls it is necessary to use SMC64 to pass or return 64-bit values. -- 2.55.0.1082.g2b9226bbc0-goog