From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 25FD5223336 for ; Mon, 15 Dec 2025 21:42:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765834959; cv=none; b=B/PGqsa7EucVs7txZ3ETAK8Qqi90ePOYEqIe3rzr89t+pCLWCLozFhSuNtMO5NgNy0kTT6YP+kfE3WKtyCHI+1Em+wHwev8HZAgTx4R8QyeiMZrNzQ2f52czVyJAfrzVb6sTLj2aqCJSfh4e6j1uwlrzOb8jSRWItMFJXX2e0uE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765834959; c=relaxed/simple; bh=y/8o7pjE+jv9Xhh+oyH0nf+UDZ7vRHXmjAwqd0BO/ZM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=hrrqgYRGVxKvd1l7Un/XJDJwxS8dyXYQ1wLf2aJX8jQWDirtHasy9k/eATB/z4uu0+nuJnl2d7i+YWU0gcEhVfVBgYr3RviMv1+0u/rY1sJDMOAtpY/Re64l+iiW9hdwRu/eTd8DlvrUXe/qqRZ7IZuzch5TrjC19LdODDSY4Mw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0C55FFEC; Mon, 15 Dec 2025 13:42:29 -0800 (PST) Received: from [10.57.78.22] (unknown [10.57.78.22]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 97E3D3F73B; Mon, 15 Dec 2025 13:42:34 -0800 (PST) Message-ID: Date: Mon, 15 Dec 2025 21:42:33 +0000 Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v6 01/35] arm64/sysreg: Add new SPE fields Content-Language: en-GB To: Alexandru Elisei , maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, yuzenghui@huawei.com, will@kernel.org, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev Cc: james.clark@linaro.org, mark.rutland@arm.com, james.morse@arm.com References: <20251114160717.163230-1-alexandru.elisei@arm.com> <20251114160717.163230-2-alexandru.elisei@arm.com> From: Suzuki K Poulose In-Reply-To: <20251114160717.163230-2-alexandru.elisei@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 14/11/2025 16:06, Alexandru Elisei wrote: > Add the PMBSR_EL1.MSS2, PMBISR_EL1.MaxBuffSize, PMBLIMITR_EL1.nVM and minor nit: ^PMBIDR_EL1 > PMBIDR_EL1.AddrMode fields, which will be used by KVM. > The defintions look correct to me. Suzuki > Signed-off-by: Alexandru Elisei > --- > arch/arm64/tools/sysreg | 18 ++++++++++++++---- > 1 file changed, 14 insertions(+), 4 deletions(-) > > diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg > index 1c6cdf9d54bb..1e7b69594f04 100644 > --- a/arch/arm64/tools/sysreg > +++ b/arch/arm64/tools/sysreg > @@ -3070,7 +3070,9 @@ EndSysreg > > Sysreg PMBLIMITR_EL1 3 0 9 10 0 > Field 63:12 LIMIT > -Res0 11:6 > +Res0 11:8 > +Field 7 nVM > +Res0 6 > Field 5 PMFZ > Res0 4:3 > Enum 2:1 FM > @@ -3085,7 +3087,8 @@ Field 63:0 PTR > EndSysreg > > Sysreg PMBSR_EL1 3 0 9 10 3 > -Res0 63:32 > +Res0 63:56 > +Field 55:32 MSS2 > Enum 31:26 EC > 0b000000 BUF > 0b100100 FAULT_S1 > @@ -3112,13 +3115,20 @@ Field 7:0 Attr > EndSysreg > > Sysreg PMBIDR_EL1 3 0 9 10 7 > -Res0 63:12 > +Res0 63:48 > +Field 47:32 MaxBuffSize > +Res0 31:12 > Enum 11:8 EA > 0b0000 NotDescribed > 0b0001 Ignored > 0b0010 SError > EndEnum > -Res0 7:6 > +Enum 7:6 AddrMode > + 0b00 VM_ONLY > + 0b01 BOTH > + 0b10 RESERVED > + 0b11 nVM_ONLY > +EndEnum > Field 5 F > Field 4 P > Field 3:0 ALIGN