From patchwork Sat Nov 2 17:25:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Daniel P. Smith" X-Patchwork-Id: 13860202 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.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 78884E677E8 for ; Sat, 2 Nov 2024 17:37:51 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.829618.1244644 (Exim 4.92) (envelope-from ) id 1t7I4F-00039p-CD; Sat, 02 Nov 2024 17:37:43 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 829618.1244644; Sat, 02 Nov 2024 17:37:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1t7I4F-00039i-93; Sat, 02 Nov 2024 17:37:43 +0000 Received: by outflank-mailman (input) for mailman id 829618; Sat, 02 Nov 2024 17:37:41 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1t7Hun-0004r4-9v for xen-devel@lists.xenproject.org; Sat, 02 Nov 2024 17:27:57 +0000 Received: from sender4-of-o51.zoho.com (sender4-of-o51.zoho.com [136.143.188.51]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id ca29640c-993f-11ef-99a3-01e77a169b0f; Sat, 02 Nov 2024 18:27:53 +0100 (CET) Received: by mx.zohomail.com with SMTPS id 1730568375366826.8780724690604; Sat, 2 Nov 2024 10:26:15 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: ca29640c-993f-11ef-99a3-01e77a169b0f X-Custom-Connection: eyJyZW1vdGVpcCI6IjEzNi4xNDMuMTg4LjUxIiwiaGVsbyI6InNlbmRlcjQtb2YtbzUxLnpvaG8uY29tIn0= X-Custom-Transaction: eyJpZCI6ImNhMjk2NDBjLTk5M2YtMTFlZi05OWEzLTAxZTc3YTE2OWIwZiIsInRzIjoxNzMwNTY4NDc0LjMzNzU3OSwic2VuZGVyIjoiZHBzbWl0aEBhcGVydHVzc29sdXRpb25zLmNvbSIsInJlY2lwaWVudCI6Inhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZyJ9 ARC-Seal: i=1; a=rsa-sha256; t=1730568385; cv=none; d=zohomail.com; s=zohoarc; b=GXqqM1eguA2Hqrwqld2IRWlUOBtvX8mk9HblxiZfWXdP/aj1BP9a5wi1WfnGxKZ2tOsCAkQtzlqjToD4/DvxrcTcyE6fnSZqvLufchVowmN0iXbypL/XgzczSpDoqhiiLp8SEUX+NsxVio4QOl4yakoYWF/skV8Qvn2nGrDoIhk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1730568385; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=DlW8869YgbQ7b/dFXUZq70NRQ3QZ7VjwhbTQzGdmgBI=; b=I+2RzWb/pZzKdYO+rh73X4evInsrClFR8eSFoAeooQNTxy2IxTEu4ikeU9zssfOedLlBXEktKUA4cXhDXbz67mTFeW2Jt4twun0AalK3AEdlbLE/KqvUTvUqQf1PzB7t0rKQ2YjcGgM7EuuTCSvQuTCioSSThYBqrRwPxfQ4nhw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=apertussolutions.com; spf=pass smtp.mailfrom=dpsmith@apertussolutions.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1730568385; s=zoho; d=apertussolutions.com; i=dpsmith@apertussolutions.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-Id:Message-Id:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Reply-To; bh=DlW8869YgbQ7b/dFXUZq70NRQ3QZ7VjwhbTQzGdmgBI=; b=sv3Zz7Ca7Dka+jjB3+AIr+geIunMXPPzH8L9winziOCf+Sj/eAN1BeNDCzdSDOvk nYerP8gDK/GMTZpH4xNbclrpFd+8WcAscOZD/JOE5ULW54tuGiXZANtSVuX7ljKmD1J 0/sxtHVm4koGvK2vxj8vssW/vDssFhaK91W7NLn0= From: "Daniel P. Smith" To: xen-devel@lists.xenproject.org Cc: "Daniel P. Smith" , jason.andryuk@amd.com, christopher.w.clark@gmail.com, stefano.stabellini@amd.com, Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [PATCH 11/12] x86/boot: introduce domid field to struct boot_domain Date: Sat, 2 Nov 2024 13:25:50 -0400 Message-Id: <20241102172551.17233-12-dpsmith@apertussolutions.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20241102172551.17233-1-dpsmith@apertussolutions.com> References: <20241102172551.17233-1-dpsmith@apertussolutions.com> MIME-Version: 1.0 X-ZohoMailClient: External Add a domid field to struct boot_domain to hold the assigned domain id for the domain. During initialization, ensure all instances of struct boot_domain have the invalid domid to ensure that the domid must be set either by convention or configuration. Signed-off-by: Daniel P. Smith Reviewed-by: Jason Andryuk --- xen/arch/x86/include/asm/bootdomain.h | 2 ++ xen/arch/x86/setup.c | 12 +++++++----- 2 files changed, 9 insertions(+), 5 deletions(-) diff --git a/xen/arch/x86/include/asm/bootdomain.h b/xen/arch/x86/include/asm/bootdomain.h index 12c19ab37bd8..3873f916f854 100644 --- a/xen/arch/x86/include/asm/bootdomain.h +++ b/xen/arch/x86/include/asm/bootdomain.h @@ -12,6 +12,8 @@ struct boot_module; struct domain; struct boot_domain { + domid_t domid; + struct boot_module *kernel; struct boot_module *ramdisk; diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index 6e25a9f726c7..7b78bd9c7c8d 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -338,6 +338,9 @@ static struct boot_info *__init multiboot_fill_boot_info( /* Variable 'i' should be one entry past the last module. */ bi->mods[i].type = BOOTMOD_XEN; + for ( i = 0; i < MAX_NR_BOOTDOMS; i++ ) + bi->domains[i].domid = DOMID_INVALID; + return bi; } @@ -992,7 +995,6 @@ static struct domain *__init create_dom0(struct boot_info *bi) }; struct boot_domain *bd = &bi->domains[0]; struct domain *d; - domid_t domid; if ( opt_dom0_pvh ) { @@ -1008,15 +1010,15 @@ static struct domain *__init create_dom0(struct boot_info *bi) dom0_cfg.flags |= XEN_DOMCTL_CDF_iommu; /* Create initial domain. Not d0 for pvshim. */ - domid = get_initial_domain_id(); - d = domain_create(domid, &dom0_cfg, pv_shim ? 0 : CDF_privileged); + bd->domid = get_initial_domain_id(); + d = domain_create(bd->domid, &dom0_cfg, pv_shim ? 0 : CDF_privileged); if ( IS_ERR(d) ) - panic("Error creating d%u: %ld\n", domid, PTR_ERR(d)); + panic("Error creating d%u: %ld\n", bd->domid, PTR_ERR(d)); init_dom0_cpuid_policy(d); if ( alloc_dom0_vcpu0(d) == NULL ) - panic("Error creating d%uv0\n", domid); + panic("Error creating d%uv0\n", bd->domid); /* Grab the DOM0 command line. */ if ( bd->kernel->cmdline_pa || bi->kextra )