From nobody Mon Feb 9 10:32:57 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 427E4399A7B; Wed, 14 Jan 2026 12:42:08 +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=1768394528; cv=none; b=pt+Wprn1SRu94JUgIAXq9vqsdlXVB5Y0W+tDta4kWmEWYkdN2V+mWsNPBBVSRPKuRCNb2TOIV+v8zkELUlxF4B8cJpAmNqg+hIuDLcJyKJkQFGFhq12lHuQ8+GzsedUhsiAH2zkQ6RMILaLPi3pVMjRlj0mttjLFtabgFIZ38jY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768394528; c=relaxed/simple; bh=ch9SmDFYbhXE7i0WPy/i0x2XqElwk5abmrOuLIyppBE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fHdzcUcDYU3fcVVN9bzDPgftvUtcpqCN17YcHlIXRRCxGwmCECzubzgKNWuh0bZ/hfrC8xh13Cgk9+EH0Iv/ElfcnGQDhlWQLDKRXOBI1tB0hFUTfMws5nP0rLvt3C6dGEd0mLDMCyw6EUW1g4NyFF2O3m/e6F3+sGBYlyqQDQo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=K0xVk4ey; 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="K0xVk4ey" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9B06C19422; Wed, 14 Jan 2026 12:42:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768394527; bh=ch9SmDFYbhXE7i0WPy/i0x2XqElwk5abmrOuLIyppBE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=K0xVk4eyNGuJaQLv4lqt4HkYbHxH3M5sQEis3BxaYEZrKIdVE/AmDdpXkG21zW0xQ E0FOvqRWRZNttS24LPSU6tNPDfW7OEwFsStman3fRgmwTy4uhPQvp4vpW5KAOT3gQC 53zlFLDZdzpEK1I7SlVsww+G1/L2hOwLxLPisM+QvzTrtCwW1/6JuYBUfCoOuXXQ0r gMaSbzAN6Lo0QBd5m+5KQxrBiQL69QgTisYf2h1bCWzqwpKd1Nk3Yobhuaz156/SPQ EiegNjoxYJ87jp50PZHo24c+13sXRkjqlVuyVIi6SH33eOjPqQAjJyYqqrIVJo1Hrw TrISQklDHQIKA== From: "Rafael J. Wysocki" To: Linux ACPI Cc: LKML , "Dumbre, Saket" Subject: [PATCH v1 14/26] ACPICA: Add GICv5 MADT structures Date: Wed, 14 Jan 2026 13:29:05 +0100 Message-ID: <1953107.CQOukoFCf9@rafael.j.wysocki> Organization: Linux Kernel Development In-Reply-To: <12822121.O9o76ZdvQC@rafael.j.wysocki> References: <12822121.O9o76ZdvQC@rafael.j.wysocki> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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/69cca52ddf04 Signed-off-by: Jose Marinho Signed-off-by: Rafael J. Wysocki --- 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 15856ae8b1e1..05ce897f1eeb 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -1294,7 +1294,10 @@ 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 @@ -1416,7 +1419,7 @@ 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; @@ -1437,6 +1440,8 @@ 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 */ @@ -1459,7 +1464,7 @@ 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, @@ -1467,7 +1472,8 @@ 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) */ @@ -1738,6 +1744,41 @@ 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 2.51.0