From nobody Sun Feb 8 13:09:41 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 A799633D501; Thu, 18 Dec 2025 10:15:09 +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=1766052909; cv=none; b=EXhHnO21m7wRcL8mG/cH+YkyM21KMWVeTwCVRMqzbe8LhNmx2IdP1DK6hleKLa9zIxLvGWu3HPNdazRWTuxV9vkyk2hofsEkJ07617KM4XX2x5fJfSkb06CafZTeWDnyau47yc3cc5y4bLe4YDd/0uvEP2sVpuO2DuOSylH0fq4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766052909; c=relaxed/simple; bh=vnKEmMAe21QcHMZuNYI4JA27L1lMdTDSUIpCnogDK/I=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=AhqcOmdi3bgVtvkDUd4AtCzEUgKwnlpvPXU5/YHxH2A9qYIsRJex1MSYNiaLr1PCa1NAlNR0Ll00ylhkD/QahjDHi75ei24GXxOiAyuQE97Gtq8E/KtZHfQfbJYqpO+62uk7tzkFIJQHMRvrI/urHN1E6iTYADOEtzBaaOhaHyk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k5x6jANk; 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="k5x6jANk" 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 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: <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 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 =3D 25, ACPI_MADT_TYPE_APLIC =3D 26, ACPI_MADT_TYPE_PLIC =3D 27, - ACPI_MADT_TYPE_RESERVED =3D 28, /* 28 to 0x7F are reserved */ + ACPI_MADT_TYPE_GICV5_IRS =3D 28, + ACPI_MADT_TYPE_GICV5_ITS =3D 29, + ACPI_MADT_TYPE_GICV5_ITS_TRANSLATE =3D 30, + ACPI_MADT_TYPE_RESERVED =3D 31, /* 31 to 0x7F are reserved */ ACPI_MADT_TYPE_OEM_RESERVED =3D 0x80 /* 0x80 to 0xFF are reserved for OEM= use */ }; =20 @@ -1289,7 +1292,7 @@ struct acpi_madt_local_x2apic_nmi { u8 reserved[3]; /* reserved - must be zero */ }; =20 -/* 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) */ =20 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; }; =20 /* Masks for Flags field above */ @@ -1332,7 +1337,7 @@ struct acpi_madt_generic_distributor { u8 reserved2[3]; /* reserved - must be zero */ }; =20 -/* Values for Version field above */ +/* Values for Version field above and Version field in acpi_madt_gicv5_irs= */ =20 enum acpi_madt_gic_version { ACPI_MADT_GIC_VERSION_NONE =3D 0, @@ -1340,7 +1345,8 @@ enum acpi_madt_gic_version { ACPI_MADT_GIC_VERSION_V2 =3D 2, ACPI_MADT_GIC_VERSION_V3 =3D 3, ACPI_MADT_GIC_VERSION_V4 =3D 4, - ACPI_MADT_GIC_VERSION_RESERVED =3D 5 /* 5 and greater are reserved */ + ACPI_MADT_GIC_VERSION_V5 =3D 5, + ACPI_MADT_GIC_VERSION_RESERVED =3D 6 /* 6 and greater are reserved */ }; =20 /* 13: Generic MSI Frame (ACPI 5.1) */ @@ -1611,6 +1617,41 @@ struct acpi_madt_plic { u32 gsi_base; }; =20 +/* 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 */ =20 struct acpi_madt_oem_data { --=20 2.50.1