From mboxrd@z Thu Jan 1 00:00:00 1970 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 DB26F26A1D8; Tue, 8 Apr 2025 10:51:47 +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=1744109507; cv=none; b=XCdmP17gaY1XJOR3uWl+Up9krEsaf7XIkA+Y/ZBRupOOTvWbe249jFb4iZAChlw4yI+VoC8vnIJW8QgsQ1DoSVzdBvGCaZaf/hWUWY8RZD6kx1cWKe2cRg2YKgWK2d1Fm7dXS4Wuw9viwXMGBO7PLe9/Ve5XSgwkeOXwib8QmF4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744109507; c=relaxed/simple; bh=1VFamCW1T2hwFfR2ldmMdvGBnFem7jd3W15avtomy2U=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=kPHclCOyxsuOiNOt5in9EQUGoehl5eQHawQrXuZMojAY/D92xX6z9WAr19D1vqSsShQjWhVZ/5y8t9I+jyNge6NePHhndSmmgFdYB2+BdbXXcOsdf2f3zlUPPmlMpZS5kKUI+eCpCK+Ja+EQfMDSdwMsF5veyW4mKFQskZ7YHpo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lgJttQ21; 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="lgJttQ21" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B6190C4CEEB; Tue, 8 Apr 2025 10:51:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744109507; bh=1VFamCW1T2hwFfR2ldmMdvGBnFem7jd3W15avtomy2U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=lgJttQ21RqeRYvVhAbo24CKebPI5FCVfbMYp9EbD9S+MI+0FUXTp0a0oeKcj+HME8 Kzbfjmn3j+Uy6zK50WSb/JzseS9GhkPGN1Qbgbn+0ZmamCI766tI4gvDtiPc9TaMBy d6SfBaFlBCNSTNeZD0HsvJvRvbTSbbx9iyFBBU61jjqEhnNKIxFhHIj3+B0OoD7UvB LMdJcwHvdBPceX2HYypOaoI3b9GhrmJaWgtWllLFQSic8J7Pdb+LUOck1CrBlXFv05 y3mj2N0kMk7cBaev6wi//xxB4pP8Znu/CtQB3RF37EM2m+eP5S9SIYVZZI71oWNVsc F0rhD8OoMj4gQ== From: Lorenzo Pieralisi Date: Tue, 08 Apr 2025 12:50:15 +0200 Subject: [PATCH 16/24] arm64: cpucaps: Add GCIE capability 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: 7bit Message-Id: <20250408-gicv5-host-v1-16-1f26db465f8d@kernel.org> References: <20250408-gicv5-host-v1-0-1f26db465f8d@kernel.org> In-Reply-To: <20250408-gicv5-host-v1-0-1f26db465f8d@kernel.org> To: Marc Zyngier , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon Cc: Sascha Bischoff , Timothy Hayes , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Lorenzo Pieralisi X-Mailer: b4 0.14.2 Implement the GCIE capability as a strict boot cpu capability to detect whether architectural GICv5 support is available in HW. Signed-off-by: Lorenzo Pieralisi Cc: Will Deacon Cc: Catalin Marinas Cc: Marc Zyngier --- arch/arm64/kernel/cpufeature.c | 7 +++++++ arch/arm64/tools/cpucaps | 1 + 2 files changed, 8 insertions(+) diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 9c4d6d552b25cb3a31d1fb267bd73d3f82513e69..8c60591633f3d435ad9b80a10e484f26af328964 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -3041,6 +3041,13 @@ static const struct arm64_cpu_capabilities arm64_features[] = { .matches = has_pmuv3, }, #endif + { + .desc = "GCIE", + .type = ARM64_CPUCAP_STRICT_BOOT_CPU_FEATURE, + .capability = ARM64_HAS_GCIE, + .matches = has_cpuid_feature, + ARM64_CPUID_FIELDS(ID_AA64PFR2_EL1, GCIE, IMP) + }, {}, }; diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps index 772c1b008e437ed34cedb1c0f663c4dcea8f6759..e87e4bc2501f6b86352c03bd35adf33c160a577c 100644 --- a/arch/arm64/tools/cpucaps +++ b/arch/arm64/tools/cpucaps @@ -29,6 +29,7 @@ HAS_EVT HAS_FPMR HAS_FGT HAS_FPSIMD +HAS_GCIE HAS_GCS HAS_GENERIC_AUTH HAS_GENERIC_AUTH_ARCH_QARMA3 -- 2.48.0