From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 689E7D68BF6 for ; Thu, 18 Dec 2025 10:15:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=izgbHj3spM499XAksG0CXsequ6orENVMP87TA4js8ks=; b=BNTRLmJisQezhy9yVLhcbL2wip 0t0f0xE1iBKwQWZraZZyXLoV4gnyj7L67vnUBYdw3t3VAB6p6t0h0zOS94cUWHThpwCLwnKc1jVdk e32HBwCNJ8m6umvcjmIxNpv5eJb2h5qxSUrAwKSYcZXGv/hvtTjDoKNHvqC+6my1c8poQIBoydBy8 Ql9JqJSpeecT/BYcoGneJ0bb6xJnMj5tPvGL3KUZRR/ZslNbNVIoiZ0tyz1aAQJsDiGQeBqRAa7Qb C+FpyDnrwUM7IS5b5guUwIFS2UWzI0G4o/XlpPJWveOOVDSDvSdQFuknZtogBP7iK7LsrOCxT6z7l 2yFztTbQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vWB2O-00000008Co0-0TSh; Thu, 18 Dec 2025 10:15:12 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vWB2M-00000008CnF-0mxk for linux-arm-kernel@lists.infradead.org; Thu, 18 Dec 2025 10:15:10 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 6CADA60010; Thu, 18 Dec 2025 10:15:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F0317C113D0; Thu, 18 Dec 2025 10:15:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766052909; bh=vnKEmMAe21QcHMZuNYI4JA27L1lMdTDSUIpCnogDK/I=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=k5x6jANk0HZCdFNmQ8ONf84TXV/hnSyODKlwPkYcldqK35T835k0zhX+1J4vW7h3x YuB87dKAHfjZqQktHnSNr4I87e8QoyWT5BOJ269qYwQLCmSCWMU2w1Q6fhpovy0gLP 4eWRN+g777w/a0xuPlSuAun1xmByvIKvT/LLFIqgow5KUjz5yV1YRNf2DWvopeDGr0 P1epYRKg9q7Q1XG+lQpKfb0Yxo5vd3IJuudlbkUYwRI5n+asIIoPcWcBhAUkOjCAVe 9mfSNHPmKQKiuQvf7L3sP4dyf0ZEBcc/0nxFTgJ3I5yVKNinhOY83mAZay6hnUkWZq y4rqden517tFg== From: Lorenzo Pieralisi Date: Thu, 18 Dec 2025 11:14:27 +0100 Subject: [PATCH v2 1/7] ACPICA: Add GICv5 MADT structures MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251218-gicv5-host-acpi-v2-1-eec76cd1d40b@kernel.org> References: <20251218-gicv5-host-acpi-v2-0-eec76cd1d40b@kernel.org> In-Reply-To: <20251218-gicv5-host-acpi-v2-0-eec76cd1d40b@kernel.org> To: "Rafael J. Wysocki" , Len Brown , Robert Moore , Thomas Gleixner , Hanjun Guo , Sudeep Holla , Marc Zyngier , Bjorn Helgaas Cc: linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, Lorenzo Pieralisi , Jose Marinho X-Mailer: b4 0.14.3 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Jose Marinho The GICv5 adds the following MADT structures: - IRS - ITS Config Frame - ITS Translate Frame The ACPI spec ECR is at https://github.com/tianocore/edk2/issues/11148 Link: https://github.com/acpica/acpica/commit/69cca52d Signed-off-by: Jose Marinho Signed-off-by: Bob Moore Signed-off-by: Lorenzo Pieralisi --- include/acpi/actbl2.h | 49 +++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 45 insertions(+), 4 deletions(-) diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index f726bce3eb84..fdabc6c64a9c 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -1167,7 +1167,10 @@ enum acpi_madt_type { ACPI_MADT_TYPE_IMSIC = 25, ACPI_MADT_TYPE_APLIC = 26, ACPI_MADT_TYPE_PLIC = 27, - ACPI_MADT_TYPE_RESERVED = 28, /* 28 to 0x7F are reserved */ + ACPI_MADT_TYPE_GICV5_IRS = 28, + ACPI_MADT_TYPE_GICV5_ITS = 29, + ACPI_MADT_TYPE_GICV5_ITS_TRANSLATE = 30, + ACPI_MADT_TYPE_RESERVED = 31, /* 31 to 0x7F are reserved */ ACPI_MADT_TYPE_OEM_RESERVED = 0x80 /* 0x80 to 0xFF are reserved for OEM use */ }; @@ -1289,7 +1292,7 @@ struct acpi_madt_local_x2apic_nmi { u8 reserved[3]; /* reserved - must be zero */ }; -/* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 + ACPI 6.5 changes) */ +/* 11: Generic interrupt - GICC (ACPI 5.0 + ACPI 6.0 + ACPI 6.3 + ACPI 6.5 + ACPI 6.7 changes) */ struct acpi_madt_generic_interrupt { struct acpi_subtable_header header; @@ -1310,6 +1313,8 @@ struct acpi_madt_generic_interrupt { u8 reserved2[1]; u16 spe_interrupt; /* ACPI 6.3 */ u16 trbe_interrupt; /* ACPI 6.5 */ + u16 iaffid; /* ACPI 6.7 */ + u32 irs_id; }; /* Masks for Flags field above */ @@ -1332,7 +1337,7 @@ struct acpi_madt_generic_distributor { u8 reserved2[3]; /* reserved - must be zero */ }; -/* Values for Version field above */ +/* Values for Version field above and Version field in acpi_madt_gicv5_irs */ enum acpi_madt_gic_version { ACPI_MADT_GIC_VERSION_NONE = 0, @@ -1340,7 +1345,8 @@ enum acpi_madt_gic_version { ACPI_MADT_GIC_VERSION_V2 = 2, ACPI_MADT_GIC_VERSION_V3 = 3, ACPI_MADT_GIC_VERSION_V4 = 4, - ACPI_MADT_GIC_VERSION_RESERVED = 5 /* 5 and greater are reserved */ + ACPI_MADT_GIC_VERSION_V5 = 5, + ACPI_MADT_GIC_VERSION_RESERVED = 6 /* 6 and greater are reserved */ }; /* 13: Generic MSI Frame (ACPI 5.1) */ @@ -1611,6 +1617,41 @@ struct acpi_madt_plic { u32 gsi_base; }; +/* 28: Arm GICv5 IRS (ACPI 6.7) */ +struct acpi_madt_gicv5_irs { + struct acpi_subtable_header header; + u8 version; + u8 reserved; + u32 irs_id; + u32 flags; + u32 reserved2; + u64 config_base_address; + u64 setlpi_base_address; +}; + +#define ACPI_MADT_IRS_NON_COHERENT (1) + +/* 29: Arm GICv5 ITS Config Frame (ACPI 6.7) */ +struct acpi_madt_gicv5_translator { + struct acpi_subtable_header header; + u8 flags; + u8 reserved; /* reserved - must be zero */ + u32 translator_id; + u64 base_address; +}; + +#define ACPI_MADT_GICV5_ITS_NON_COHERENT (1) + +/* 30: Arm GICv5 ITS Translate Frame (ACPI 6.7) */ +struct acpi_madt_gicv5_translate_frame { + struct acpi_subtable_header header; + u16 reserved; /* reserved - must be zero */ + u32 linked_translator_id; + u32 translate_frame_id; + u32 reserved2; + u64 base_address; +}; + /* 80: OEM data */ struct acpi_madt_oem_data { -- 2.50.1