From patchwork Fri Oct 6 12:59:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Pieralisi X-Patchwork-Id: 13411453 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 EC0A31F615; Fri, 6 Oct 2023 12:59:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Cxuu05QZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ED31BC43395; Fri, 6 Oct 2023 12:59:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696597190; bh=1a0WYm/JOuoSloUtHO8rcUYP3nlPMtWwDXeoC9j17ng=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Cxuu05QZS2zUIu3FMQpOk4GTxl5etLU3bdmcRa3X9ASqNJV8AQNtb+4cuNWzOCliJ J2kW9cevvgvHxvm2JEB1uR6HDj9cA+D79ZTTMcgylFpaflS9XKt6xPHUksQQphUpP0 YeHTCWvV3aju5DnJZ2jNvxYEYgOaD2jdZ9W+3V2X/HAD7oPblNqmPPCb7BGc2Nq2u4 ba7IrcEIp9aWoA5984O5Nc/ztL1bY609fWg0t+ncvT2vx/dDSQSxyw8E4xW0A3me35 U1zkddfi/3nPuZ/8AKxXknVUuYFpbKzZwt3shyb3JEomgv03yPXktZQ5NywNA5Ef9H vmENa5OnxIeIg== From: Lorenzo Pieralisi To: linux-kernel@vger.kernel.org Cc: Lorenzo Pieralisi , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, Mark Rutland , Robin Murphy , "Rafael J. Wysocki" , Rob Herring , Fang Xiang , Marc Zyngier Subject: [PATCH v3 4/5] ACPICA: Add new MADT GICC/GICR/ITS flags handling [code first] Date: Fri, 6 Oct 2023 14:59:28 +0200 Message-Id: <20231006125929.48591-5-lpieralisi@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231006125929.48591-1-lpieralisi@kernel.org> References: <20230905104721.52199-1-lpieralisi@kernel.org> <20231006125929.48591-1-lpieralisi@kernel.org> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add new flags and related fields to the MADT GICC/GICR/ITS structures according to the code first ECR: https://bugzilla.tianocore.org/show_bug.cgi?id=4557 Temporary code waiting for ECR approval, for testing purpose only - eventually ACPICA changes will trickle into the kernel from the ACPICA project repos. Signed-off-by: Lorenzo Pieralisi --- include/acpi/actbl2.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index 3751ae69432f..dd44915efd6b 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -1046,6 +1046,7 @@ struct acpi_madt_generic_interrupt { /* ACPI_MADT_ENABLED (1) Processor is usable if set */ #define ACPI_MADT_PERFORMANCE_IRQ_MODE (1<<1) /* 01: Performance Interrupt Mode */ #define ACPI_MADT_VGIC_IRQ_MODE (1<<2) /* 02: VGIC Maintenance Interrupt mode */ +#define ACPI_MADT_GICC_NON_COHERENT (1<<4) /* 04: GIC redistributor is not coherent */ /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */ @@ -1090,21 +1091,27 @@ struct acpi_madt_generic_msi_frame { struct acpi_madt_generic_redistributor { struct acpi_subtable_header header; - u16 reserved; /* reserved - must be zero */ + u8 flags; + u8 reserved; /* reserved - must be zero */ u64 base_address; u32 length; }; +#define ACPI_MADT_GICR_NON_COHERENT (1) + /* 15: Generic Translator (ACPI 6.0) */ struct acpi_madt_generic_translator { struct acpi_subtable_header header; - u16 reserved; /* reserved - must be zero */ + u8 flags; + u8 reserved; /* reserved - must be zero */ u32 translation_id; u64 base_address; u32 reserved2; }; +#define ACPI_MADT_ITS_NON_COHERENT (1) + /* 16: Multiprocessor wakeup (ACPI 6.4) */ struct acpi_madt_multiproc_wakeup {