From patchwork Fri Apr 25 19:22:35 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rafael J. Wysocki" X-Patchwork-Id: 884815 Received: from cloudserver094114.home.pl (cloudserver094114.home.pl [79.96.170.134]) (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 751A5224895; Fri, 25 Apr 2025 19:34:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=79.96.170.134 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745609669; cv=none; b=LgiT5saH5VJrZyatMeXeVFq7wt8rTDowZMb0M+T5ZuqjQQ203tiHDZJgqnJLKZOCCKHUXysEXcKfDkwQ+zJmG6eG2WgiKzo39MaLF9jvKLwYoBP4sodMgmuaGp/HPeglqUPNa1a7zxO3LoUS46t+dGgyrT/FrN56rxy6apuxJ+A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745609669; c=relaxed/simple; bh=jyYyqlBOdqzfAZqZWN3kugHVmB5zIKTbSCk+YAcB/r4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kKKZ5FovJCQGEY8ToFIiXNEa+4JVAlreSM4783t8UnT+WLIPKjW/e+1GSPfwzBvkaYM+M+sC2UL6MXTsBETjt5FBFQczB6Df1zdCTo6u7qU3ieRwUkJHQSMkmfhXpldaKmcIj8Z7pWfYovFudoUxwSYBOPKlW+6z88WDzwUMnn8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rjwysocki.net; spf=pass smtp.mailfrom=rjwysocki.net; dkim=pass (2048-bit key) header.d=rjwysocki.net header.i=@rjwysocki.net header.b=a4zqpdYP; arc=none smtp.client-ip=79.96.170.134 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rjwysocki.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rjwysocki.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=rjwysocki.net header.i=@rjwysocki.net header.b="a4zqpdYP" Received: from kreacher.localnet (unknown [217.114.34.19]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by cloudserver094114.home.pl (Postfix) with ESMTPSA id 561E8663631; Fri, 25 Apr 2025 21:34:24 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rjwysocki.net; s=dkim; t=1745609664; bh=jyYyqlBOdqzfAZqZWN3kugHVmB5zIKTbSCk+YAcB/r4=; h=From:Subject:Date; b=a4zqpdYP0CaWK+eFMUGcdF+L76xkrbgVuwzet5VSeP+/WrHum8a+e7DVVxJkHACD5 fSS3OGoTe4Ovik3vSGTWmkDYBnx3CAoTpxUNzkdkIITbYe+iYGicTKYTnT/o/IKKJZ cqSLVWIS8kragxJbHv5aiULjTGl/cbVB//nJ1I1LhsSDwpoFD7MSJvR4wT007X491b I+6atwsRvABi7MlYSau0C/nhXJgqHHAyIiJ1/wldmKjW011fZmUJSUTnEa/yZutYP4 delLHOSdRD/cPhp/9kB5j41f3e6f8k/tBPIsqSLzebz0X1x5yjHWf8/2jf7pl2aKE0 eKYP6lcAnfVew== From: "Rafael J. Wysocki" To: Linux ACPI Cc: LKML , Bob Moore , Saket Dumbre Subject: [PATCH v1 04/19] ACPICA: Interpret SIDP structures in DMAR Date: Fri, 25 Apr 2025 21:22:35 +0200 Message-ID: <2239745.irdbgypaU6@rjwysocki.net> In-Reply-To: <12671029.O9o76ZdvQC@rjwysocki.net> References: <12671029.O9o76ZdvQC@rjwysocki.net> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CLIENT-IP: 217.114.34.19 X-CLIENT-HOSTNAME: 217.114.34.19 X-VADE-SPAMSTATE: clean X-VADE-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvheefudelucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecujffqoffgrffnpdggtffipffknecuuegrihhlohhuthemucduhedtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvfevufffkfgjfhgggfgtsehtufertddttdejnecuhfhrohhmpedftfgrfhgrvghlucflrdcuhgihshhotghkihdfuceorhhjfiesrhhjfiihshhotghkihdrnhgvtheqnecuggftrfgrthhtvghrnhepledtieekkeekveeikeetgffgteeuteefjeevjeegudelvdduheeiuedvieehieevnecuffhomhgrihhnpehgihhthhhusgdrtghomhenucfkphepvddujedruddugedrfeegrdduleenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvudejrdduudegrdefgedrudelpdhhvghlohepkhhrvggrtghhvghrrdhlohgtrghlnhgvthdpmhgrihhlfhhrohhmpehrjhifsehrjhifhihsohgtkhhirdhnvghtpdhnsggprhgtphhtthhopeegpdhrtghpthhtoheplhhinhhugidqrggtphhisehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheprhhosggvrhhtrdhmohhorhgvsehinhhtvghlrdgtohhmpdhrtghpthhtohepshgrkhgvthdrughumhgsrhgvsehinhhtvghlrdgtohhm X-DCC--Metrics: v370.home.net.pl 1024; Body=4 Fuz1=4 Fuz2=4 From: Alexey Neyman ACPICA commit af51f730e0bccf789686cea68e116d5f0b27aacb Added in revision 3.4 of the VT-d spec. To support SIDP, part of the previously reserved field in the device scope structure was used to create a 1-byte "Flags" field. Link: https://github.com/acpica/acpica/commit/af51f730 Signed-off-by: Alexey Neyman Signed-off-by: Rafael J. Wysocki --- include/acpi/actbl1.h | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 329454c303b9..e0cbda95fec8 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -819,7 +819,8 @@ enum acpi_dmar_type { ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3, ACPI_DMAR_TYPE_NAMESPACE = 4, ACPI_DMAR_TYPE_SATC = 5, - ACPI_DMAR_TYPE_RESERVED = 6 /* 6 and greater are reserved */ + ACPI_DMAR_TYPE_SIDP = 6, + ACPI_DMAR_TYPE_RESERVED = 7 /* 7 and greater are reserved */ }; /* DMAR Device Scope structure */ @@ -827,7 +828,8 @@ enum acpi_dmar_type { struct acpi_dmar_device_scope { u8 entry_type; u8 length; - u16 reserved; + u8 flags; + u8 reserved; u8 enumeration_id; u8 bus; }; @@ -923,6 +925,15 @@ struct acpi_dmar_satc { u8 reserved; u16 segment; }; + +/* 6: so_c Integrated Device Property Reporting Structure */ + +struct acpi_dmar_sidp { + struct acpi_dmar_header header; + u16 reserved; + u16 segment; +}; + /******************************************************************************* * * DRTM - Dynamic Root of Trust for Measurement table