From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8DE913D3309; Mon, 6 Jul 2026 23:06:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783379187; cv=none; b=uY1F3jjFVcs8KT2VWtmxF4+vy15WU9JBzxRACakuLdJ0rxMvySpu6oxEc3TsiogNPHWJepKkVT12dl/eGE1OIeA9vZFaomR4u2WGWD83YH9AGjLF0ukod3UOxqfDQaxfZigi3wH/Bq6pxgvVX8TMx9tCSNx6ILoXcDcjX/ifZlg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783379187; c=relaxed/simple; bh=58g1568NRL7/SI4d2HoFSQSOKccqgmn0k03hr3pJQEU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=XsuD5sNVMvR6WcalVJvTCDPpxf5fPASjge1nOpVK2lBLnHjmqFUXuzWqpTHZIMa9G7SAtUfLEuoHaHgu5DTr78Ot9giOcoVcVdKGFYPL04j2vZwP7CF0pQJSNlYCLpqnuso3QmS84wG1yXtl2+RQhEm9j3CjNhpRC0WUJdfOd28= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a8js5rXe; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="a8js5rXe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2FDF1F00ADB; Mon, 6 Jul 2026 23:06:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783379186; bh=SoMF0NvEK/nHml8RMjqK0ASTpVqLJvBd+3O6LznwQbI=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=a8js5rXeMjDMVJNUZVsFGEzPM7l/KJtZKoECTUBOUnOFTNyuPnpoRBctGLOD0AwcA MNzoWdEtho+cBU6xmFSp4nRgJb9za4ByoYqVJWYnacskotd4cmOHkiI+ya2L69dQqO mv0glk5EemV/1/H6azrKSl3mfQmHYZd8KnrKkQEPUS02j2W+JJ8qNuhBKERsdWZ7cc wVbk3oWveqwSkWPRTymDca428JIangQYD+MFA3WZOdS4V4e3evNZvqIhgdW/dUGoJZ W36Xd7r5TOuKz0tdi6vRLB97lBPbmh7VFy5bpTstReaoMwdmGwAZNYsvz2xg6WwM7M 4YDQUXmInVhAA== From: Drew Fustini Date: Mon, 06 Jul 2026 16:06:12 -0700 Subject: [PATCH v4 2/8] riscv: Detect the Ssqosid extension Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260706-dfustini-atl-sc-cbqri-dt-v4-2-e75c20201d64@kernel.org> References: <20260706-dfustini-atl-sc-cbqri-dt-v4-0-e75c20201d64@kernel.org> In-Reply-To: <20260706-dfustini-atl-sc-cbqri-dt-v4-0-e75c20201d64@kernel.org> To: Adrien Ricciardi , Alexandre Ghiti , Atish Kumar Patra , Atish Patra , Babu Moger , Ben Horgan , Borislav Petkov , Chen Pei , Conor Dooley , Conor Dooley , Dave Hansen , Dave Martin , Fenghua Yu , Gong Shuai , Gong Shuai , guo.wenjia23@zte.com.cn, James Morse , =?utf-8?q?Kornel_Dul=C4=99ba?= , Krzysztof Kozlowski , liu.qingtao2@zte.com.cn, Liu Zhiwei , Palmer Dabbelt , Paul Walmsley , Peter Newman , =?utf-8?q?Radim_Kr=C4=8Dm=C3=A1=C5=99?= , Reinette Chatre , Rob Herring , Samuel Holland , Sebastian Andrzej Siewior , Tony Luck , Vasudevan Srinivasan , Ved Shanbhogue , Weiwei Li , yunhui cui , Drew Fustini Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, x86@kernel.org, devicetree@vger.kernel.org, linux-rt-devel@lists.linux.dev, linux-doc@vger.kernel.org X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1637; i=fustini@kernel.org; h=from:subject:message-id; bh=58g1568NRL7/SI4d2HoFSQSOKccqgmn0k03hr3pJQEU=; b=owGbwMvMwCV2+43O4ZsaG3kYT6slMWT5mLyf5mivpCz66K9i0zSJ4yfYRetmXxd/Z/4rasnHO q7Y4uALHaUsDGJcDLJiiiybPuRdWOIV+nXB/BfbYOawMoEMYeDiFICJHDJm+CvKqT/9ndmun/vO 7QnXuPKWybgkzZ758s/8Rheh2TJ6zj8ZGZYvz2s/sWxy03ytdKfLr2ffEkr7Xhh/P8WM6SXv+t3 lFXwA X-Developer-Key: i=fustini@kernel.org; a=openpgp; fpr=1B6F948213EA489734F3997035D5CD577C1E6010 Ssqosid is the RISC-V Quality-of-Service (QoS) Identifiers specification which defines the Supervisor Resource Management Configuration (srmcfg) register. Link: https://github.com/riscv/riscv-ssqosid/releases/tag/v1.0 Co-developed-by: Kornel Dulęba Signed-off-by: Kornel Dulęba Signed-off-by: Drew Fustini --- arch/riscv/include/asm/hwcap.h | 1 + arch/riscv/kernel/cpufeature.c | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index 7ef8e5f55c8d..b83dae5cebb9 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -112,6 +112,7 @@ #define RISCV_ISA_EXT_ZCLSD 103 #define RISCV_ISA_EXT_ZICFILP 104 #define RISCV_ISA_EXT_ZICFISS 105 +#define RISCV_ISA_EXT_SSQOSID 106 #define RISCV_ISA_EXT_XLINUXENVCFG 127 diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index f46aa5602d74..668a7e71ff1c 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -582,6 +582,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __RISCV_ISA_EXT_DATA(ssaia, RISCV_ISA_EXT_SSAIA), __RISCV_ISA_EXT_DATA(sscofpmf, RISCV_ISA_EXT_SSCOFPMF), __RISCV_ISA_EXT_SUPERSET(ssnpm, RISCV_ISA_EXT_SSNPM, riscv_xlinuxenvcfg_exts), + __RISCV_ISA_EXT_DATA(ssqosid, RISCV_ISA_EXT_SSQOSID), __RISCV_ISA_EXT_DATA(sstc, RISCV_ISA_EXT_SSTC), __RISCV_ISA_EXT_DATA(svade, RISCV_ISA_EXT_SVADE), __RISCV_ISA_EXT_DATA_VALIDATE(svadu, RISCV_ISA_EXT_SVADU, riscv_ext_svadu_validate), -- 2.43.0