From nobody Mon Feb 9 18:18:13 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 8915133EAF9; Tue, 20 Jan 2026 04:15:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768882527; cv=none; b=rkraPCV+6Eq2uBgiZaVT2vQ6bMQk+NsGaS2G2VtRtaQ7lVgRf29xeL6LZOSZRMlLQ5+ZMnW6zdi+VeMFtjtLyqi6jNZGdWC7NouSnRTCBNKRlLDLqtqf9ptXobzvcl5HT4vbDKoP//udJH7BJozd1VEDdpRfnU8+gcGvMoiQM7s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768882527; c=relaxed/simple; bh=So9iUedCC3u+sUXH12Vr6tmS+PCHIo5F5wnJVHearb0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To; b=teqtJciatxQDSOZLwxfnb/qzHo7RoAxUZEU3BQF9qmtgqD7OzEzYJojAvEaalGDzsxOnwrWwMJ0MYDyXLN6ZDPdEpI8h+ypk+PgD3xLBT7Bkv1LHAlcFfYdupgqgUvBHevGtC6MguoWcoV0RLrwpPecwLFvOowbdVMd6h/O7pew= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZOPt/O0/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZOPt/O0/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6FB6AC19425; Tue, 20 Jan 2026 04:15:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768882526; bh=So9iUedCC3u+sUXH12Vr6tmS+PCHIo5F5wnJVHearb0=; h=From:Date:Subject:References:In-Reply-To:To:From; b=ZOPt/O0/lggO52Wdqgoyk4ZT7fSlplaFQFPkEmhmPi+Yz8LaLhlbmgALIJrx6Qxct KaJgNIlxfnALFw9h9mKpcDMv0npFxJbQTsaSXE1z6+TJG5qW7RX/5Cm48LHwRUVAL6 oSfR/TTp5nPBnVrA7wjOmqaaP4Fg5fiNXzUA3JIiL4BQUJjj4dF8Vidayyx+sleQjL hoqmDDtUXZlYKDnfd1AmALPWENyBoG6zcHMckXnN4pGLzDuVlAc6jxN+5q7ay93UWB G+1KaRwbhzTloc1xZrAsr+nW19jITSMDcC/WMPUbIAFRvyvmNVR4H2MJ6eKECnNq8t bL/1NqGjMLsZg== From: Drew Fustini Date: Mon, 19 Jan 2026 20:14:53 -0800 Subject: [PATCH NFU RFC 16/19] resctrl: riscv: build CBQRI drivers Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260119-ssqosid-cbqri-v1-16-aa2a75153832@kernel.org> References: <20260119-ssqosid-cbqri-v1-0-aa2a75153832@kernel.org> In-Reply-To: <20260119-ssqosid-cbqri-v1-0-aa2a75153832@kernel.org> To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , =?utf-8?q?Radim_Kr=C4=8Dm=C3=A1=C5=99?= , Samuel Holland , Adrien Ricciardi , Nicolas Pitre , =?utf-8?q?Kornel_Dul=C4=99ba?= , Atish Patra , Atish Kumar Patra , Vasudevan Srinivasan , Ved Shanbhogue , yunhui cui , Chen Pei , Liu Zhiwei , Weiwei Li , guo.wenjia23@zte.com.cn, liu.qingtao2@zte.com.cn, Conor Dooley , Krzysztof Kozlowski , Rob Herring , Reinette Chatre , Tony Luck , Babu Moger , Peter Newman , Fenghua Yu , James Morse , Ben Horgan , Dave Martin , Drew Fustini , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, x86@kernel.org X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2641; i=fustini@kernel.org; h=from:subject:message-id; bh=So9iUedCC3u+sUXH12Vr6tmS+PCHIo5F5wnJVHearb0=; b=owGbwMvMwCV2+43O4ZsaG3kYT6slMWTmMwafTDv76crDL4EMJi5SFdMX/G2vbLl3wN6i5O6Zk /I6Z9uCO0pZGMS4GGTFFFk2fci7sMQr9OuC+S+2wcxhZQIZwsDFKQATaTvLyHDgy++/e45OWiQf /TdkisrqDT/mH2b0m+xRqJT0/UqnT9xCRoajN+8bOG5XCGyRPTRt4gn+4FDLY0EdM+9l7zlpPV1 yXikjAA== X-Developer-Key: i=fustini@kernel.org; a=openpgp; fpr=1B6F948213EA489734F3997035D5CD577C1E6010 [NOT FOR UPSTREAM] Add RISC-V CBQRI cache and bandwidth controller drivers to the build. Link: https://github.com/riscv-non-isa/riscv-cbqri/releases/tag/v1.0 Co-developed-by: Adrien Ricciardi Signed-off-by: Adrien Ricciardi Signed-off-by: Drew Fustini --- drivers/resctrl/Kconfig | 2 ++ drivers/resctrl/Makefile | 2 ++ drivers/resctrl/riscv/Kconfig | 25 +++++++++++++++++++++++++ drivers/resctrl/riscv/Makefile | 4 ++++ 4 files changed, 33 insertions(+) diff --git a/drivers/resctrl/Kconfig b/drivers/resctrl/Kconfig index c808e0470394..6c1d909dd20c 100644 --- a/drivers/resctrl/Kconfig +++ b/drivers/resctrl/Kconfig @@ -22,3 +22,5 @@ config MPAM_KUNIT_TEST If unsure, say N. =20 endif + +source "drivers/resctrl/riscv/Kconfig" diff --git a/drivers/resctrl/Makefile b/drivers/resctrl/Makefile index 898199dcf80d..48fa4d69d76f 100644 --- a/drivers/resctrl/Makefile +++ b/drivers/resctrl/Makefile @@ -2,3 +2,5 @@ obj-$(CONFIG_ARM64_MPAM_DRIVER) +=3D mpam.o mpam-y +=3D mpam_devices.o =20 ccflags-$(CONFIG_ARM64_MPAM_DRIVER_DEBUG) +=3D -DDEBUG + +obj-y +=3D riscv/ diff --git a/drivers/resctrl/riscv/Kconfig b/drivers/resctrl/riscv/Kconfig new file mode 100644 index 000000000000..d9a774fb856b --- /dev/null +++ b/drivers/resctrl/riscv/Kconfig @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: GPL-2.0 + +config RESCTRL_RISCV_CBQRI_CACHE + bool "RISC-V QoS cache controller (CBQRI)" + default y + depends on RISCV + select RISCV_ISA_SSQOSID + help + Support RISC-V platform which implements a QoS capacity + controller according to the RISC-V Capacity and Bandwidth QoS + Register Interface (CBQRI) specification. + + If you do not care about testing RISC-V CBQRI, then choose 'N'. + +config RESCTRL_RISCV_CBQRI_BANDWIDTH + bool "RISC-V QoS bandwidth controller (CBQRI)" + default y + depends on RISCV + select RISCV_ISA_SSQOSID + help + Support RISC-V platform which implements a QoS bandwidth + controller according to the RISC-V Capacity and Bandwidth QoS + Register Interface (CBQRI) specification. + + If you do not care about testing RISC-V CBQRI, then choose 'N'. diff --git a/drivers/resctrl/riscv/Makefile b/drivers/resctrl/riscv/Makefile new file mode 100644 index 000000000000..e6937a8632d6 --- /dev/null +++ b/drivers/resctrl/riscv/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 + +obj-$(CONFIG_RESCTRL_RISCV_CBQRI_CACHE) +=3D cbqri_cache.o +obj-$(CONFIG_RESCTRL_RISCV_CBQRI_BANDWIDTH) +=3D cbqri_bandwidth.o --=20 2.43.0