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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 68069C83F1B for ; Mon, 14 Jul 2025 23:13:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ubSHn-0008J8-IX; Mon, 14 Jul 2025 19:08:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ubSGu-0005El-7i for qemu-devel@nongnu.org; Mon, 14 Jul 2025 19:07:44 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ubSGs-0005aE-Mj for qemu-devel@nongnu.org; Mon, 14 Jul 2025 19:07:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1752534462; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=/e0EHOrB7ZCBA2nwdmyUuJgNrg4LS48+Pg1+NbLqEN8=; b=BseU2w+Uv0FkoGl2zNqPYDRhHbnJHQkJB4144k3/3pvlJmYt+gDK1buIb+UTpxdNBUlg92 tArNMiC9mLgM9rgjHLkLx8xRLoWqz1jgEkK3zBWuOSSgbiYMrGRzNx91l3JUgT6E91k/y4 pAtiJ+5KLbtxoGyNl4qyV1lYpL3PodE= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-152-4Mr7tG7pNhyc-3YyRAb0Dw-1; Mon, 14 Jul 2025 19:07:40 -0400 X-MC-Unique: 4Mr7tG7pNhyc-3YyRAb0Dw-1 X-Mimecast-MFC-AGG-ID: 4Mr7tG7pNhyc-3YyRAb0Dw_1752534460 Received: by mail-wm1-f72.google.com with SMTP id 5b1f17b1804b1-4561611dc2aso14152445e9.0 for ; Mon, 14 Jul 2025 16:07:40 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752534459; x=1753139259; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=/e0EHOrB7ZCBA2nwdmyUuJgNrg4LS48+Pg1+NbLqEN8=; b=qMoz16UCQlM0fjZaD7WIUod9OVa0tws/C5Lx2SFLuERrsR6mMyI5L1ZpIDKEEy8DoH 210OaDIzVPUK3p8b+YOVJSTVU4+codhyoexMzsI+tBfcQfLfAAco0CD1s5sht8jbsiwz ZVWztmKTQPZgNaZ42emU3FVhC2iWK+nT0EHJwlmjl/fOcXPB+12+22RsNGUDapKiVnKE cy+wWoWOxaw04qPaJgCfERbinWw7IqW0H2CT6FtXKcxTZcw6IikGQMVmBApEZKhc8rgO C4awN/gq4AaPs5HGVO12OZBdws2L500Qhg0tPcFSbHRsPMv4x1HB+cuxh0whLyDWne3t cTeQ== X-Gm-Message-State: AOJu0Yx34DI1CyEPghE2i2k+KhgzCm1BMnhri+Pdil7Bir0SZJJdj73P F+lAZmkm8uOlYcKgdlh06KBNDFMw43mrgJCXmTObWtYGgt+dW35wVwfYaQzSkNS7NKxygU/Ae3J VBiregXziEHggT1+OTaMNKnlbH+hI8jxw0WDoYaXZpjvERTwpyqiZzGJ35+yN4KkiJmeF5j1bHv b23bam5iKOje3l75xNuJynuQJ1V/tjwQmVSw== X-Gm-Gg: ASbGncuWrtwI3xQSasGXagol90+MUzubOj1LXOSPl4vO/YferKxI5ieh5iTiBadrhSh EKZWkCpmJjaw23ZbZTHXBd99WfMeNFRI9e31ZnFESrjmagThV9Fot2AmcsXKMJG8WO+0YWEYEKT 5KkN+tEgruxZgtCwTkHGq9NvmcB/GW4O0Oi4hYvThtbOZOYI5Et6x2cpXDEX1xs0e9BpJxhQocv DpofkdkqPzzslw+r4khG9cBEtY5ruQfujnE3vUoLxiJnxlTyF7rz57QOkGAqVF5WoWF9m+/VC7E B9kRgF3AIS8IjvcsAdkK8cU/oqg7m/1F X-Received: by 2002:a05:6000:bcc:b0:3a5:1222:ac64 with SMTP id ffacd0b85a97d-3b60a195aaemr190736f8f.38.1752534459401; Mon, 14 Jul 2025 16:07:39 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGcHhHVFLiZUb8hcieSC3bxuB3oIa+/Rf9chOWSeUD8xSlPXFGzD9eKwWBCXhGW1HPKy/uIhQ== X-Received: by 2002:a05:6000:bcc:b0:3a5:1222:ac64 with SMTP id ffacd0b85a97d-3b60a195aaemr190721f8f.38.1752534458966; Mon, 14 Jul 2025 16:07:38 -0700 (PDT) Received: from redhat.com ([2a0d:6fc0:150d:fc00:de3:4725:47c6:6809]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b5e8e285e0sm13239143f8f.101.2025.07.14.16.07.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jul 2025 16:07:38 -0700 (PDT) Date: Mon, 14 Jul 2025 19:07:37 -0400 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , CLEMENT MATHIEU--DRIF , Jason Wang , Yi Liu , Paolo Bonzini , Richard Henderson , Eduardo Habkost , Marcel Apfelbaum Subject: [PULL 33/97] intel_iommu: Declare supported PASID size Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Received-SPF: pass client-ip=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: CLEMENT MATHIEU--DRIF the PSS field of the extended capabilities stores the supported PASID size minus 1. This commit adds support for 8bits PASIDs (limited by MemTxAttrs::pid). Signed-off-by: Clement Mathieu--Drif Message-Id: <20250628180226.133285-6-clement.mathieu--drif@eviden.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/intel_iommu_internal.h | 1 + hw/i386/intel_iommu.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h index e8b211e8b0..360e937989 100644 --- a/hw/i386/intel_iommu_internal.h +++ b/hw/i386/intel_iommu_internal.h @@ -192,6 +192,7 @@ #define VTD_ECAP_SC (1ULL << 7) #define VTD_ECAP_MHMV (15ULL << 20) #define VTD_ECAP_SRS (1ULL << 31) +#define VTD_ECAP_PSS (7ULL << 35) /* limit: MemTxAttrs::pid */ #define VTD_ECAP_PASID (1ULL << 40) #define VTD_ECAP_SMTS (1ULL << 43) #define VTD_ECAP_SLTS (1ULL << 46) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 0fb4350d48..71497f1936 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -4590,7 +4590,7 @@ static void vtd_cap_init(IntelIOMMUState *s) } if (s->pasid) { - s->ecap |= VTD_ECAP_PASID; + s->ecap |= VTD_ECAP_PASID | VTD_ECAP_PSS; } } -- MST