From nobody Mon Mar 23 21:28:28 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass header.i=thierry.escande@vates.tech; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=vates.tech ARC-Seal: i=1; a=rsa-sha256; t=1773419759; cv=none; d=zohomail.com; s=zohoarc; b=WOhhCc30ED+aIO+2FZ2fIMm/MF45BtCdOFpPxQJSOELTfv+BuK/NHKO6sQluFzTP4h4XB2c/XUCfDZRowLeRKjdO1BWtvop+uOtaa9MLHd9NjFIgAybNDSMbQ3q6MIN9nl/DcKSBAk7U3DYmEmQA40Nxt9rggTQwS4Dy2msygUs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1773419759; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=SJNwp/e+ZZuXxiujULGF+OAKlHbvuetBMvexQHhjjo8=; b=VwlyIrTbhyBR5OABfdh15Uet+TpUu3uunfMxfBr5Pdl6lG7i49a4GLQQ/LKkx63fbZP0HfGhrPcOHtTvz3GZ4RRui+W3GP4l+aVJNGH00iAoGg8jcaPLveW1bwh0pH+WJSQYnEM9K7+vYpXulMaa2EwZncXS408z+LgQTPNrCOc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=thierry.escande@vates.tech; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1773419759456972.130461783985; Fri, 13 Mar 2026 09:35:59 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1253918.1549955 (Exim 4.92) (envelope-from ) id 1w15To-0000PF-Rt; Fri, 13 Mar 2026 16:35:16 +0000 Received: by outflank-mailman (output) from mailman id 1253918.1549955; Fri, 13 Mar 2026 16:35:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1w15To-0000O4-IT; Fri, 13 Mar 2026 16:35:16 +0000 Received: by outflank-mailman (input) for mailman id 1253918; Fri, 13 Mar 2026 16:35:14 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1w15Tm-0006Ps-NA for xen-devel@lists.xenproject.org; Fri, 13 Mar 2026 16:35:14 +0000 Received: from mail136-12.atl41.mandrillapp.com (mail136-12.atl41.mandrillapp.com [198.2.136.12]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 979dae23-1efa-11f1-b164-2bf370ae4941; Fri, 13 Mar 2026 17:35:06 +0100 (CET) Received: from pmta11.mandrill.prod.atl01.rsglab.com (localhost [127.0.0.1]) by mail136-12.atl41.mandrillapp.com (Mailchimp) with ESMTP id 4fXVT36mzZz5Qkjg4 for ; Fri, 13 Mar 2026 16:35:03 +0000 (GMT) Received: from [37.26.189.201] by mandrillapp.com id 344d125658814570b3612034e846277e; Fri, 13 Mar 2026 16:35:03 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version 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: 979dae23-1efa-11f1-b164-2bf370ae4941 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mandrillapp.com; s=mte1; t=1773419703; x=1773689703; bh=SJNwp/e+ZZuXxiujULGF+OAKlHbvuetBMvexQHhjjo8=; h=From:Subject:To:Cc:Message-Id:In-Reply-To:References:Feedback-ID: Date:MIME-Version:Content-Type:Content-Transfer-Encoding:CC:Date: Subject:From; b=VtsccEyU7+GNTAHs4flCl0OeOQylMdjXtK3xTaGgkOt+kYYO462N6VEtbGvBaPXoU 50bUH5TgVxX1ZIM3cPKW61GchWLiBZazkDjJuZ5bL+c+fyLmRf2k3AZPtZIb2NkDLe fDA140diy5tmrsrfRnqA3RVIZocKA2a6sFdK3R1oo9LVb8Y6fnf6BBD53Tb6xV8NhT GzfzQmr8YeakG5WfBeDpby03k5BlRCitz8Y4Y8VAa2bIArVX3HfsU3QGpD5AP5p1p2 COQTLeC1mSJzb0hz6mV1bRgLo86pyu/5A3YzEFXC+UCtLS3eRmV+au32lO58yxYVUa akRBQlMlnFn6Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vates.tech; s=mte1; t=1773419703; x=1773680203; i=thierry.escande@vates.tech; bh=SJNwp/e+ZZuXxiujULGF+OAKlHbvuetBMvexQHhjjo8=; h=From:Subject:To:Cc:Message-Id:In-Reply-To:References:Feedback-ID: Date:MIME-Version:Content-Type:Content-Transfer-Encoding:CC:Date: Subject:From; b=lhkiGL07AiVnT6o0YW6293mnSd4WF2oA6yZIZXZaH7eUj250uCYW5OAtKbC7Nr83p nmj9NaOyLkL0EuRONTiFZ2slExNmGAQbSluFxJ4o73DtLxLS4BfWfD38vOZ2R+RCAQ 9yA3l+X7Q3ArUQGgGaq9V3J+Z23B9MFJEHjjjQF+eEbtzcYKwP52aVlHM6uSUtJ+u6 fl71oFIEI8VChyctmq/bC0AOiHJgP/sFH1Vk+FtX5gKslnYsGdimR+Kg/F0Nk3TIL3 Ngbci2xTgcRCvisrb/6x01ms8DljL0fxO/W1CAZTi2aN2Q/84BD5q0ksB75OHwXUTD ibH2w8VBIK9LA== From: "Thierry Escande" Subject: =?utf-8?Q?[PATCH=2010/17]=20hvmloader:=20Add=20support=20for=20HVMOP=5Fset|get=5Fecam=5Fspace=20hypercalls?= X-Mailer: git-send-email 2.51.0 X-Bm-Disclaimer: Yes X-Bm-Milter-Handled: 4ffbd6c1-ee69-4e1b-aabd-f977039bd3e2 X-Bm-Transport-Timestamp: 1773419703166 To: xen-devel@lists.xenproject.org Cc: "Thierry Escande" , "Jan Beulich" , "Andrew Cooper" , "=?utf-8?Q?Roger=20Pau=20Monn=C3=A9?=" , "Anthony PERARD" Message-Id: <20260313163455.790692-11-thierry.escande@vates.tech> In-Reply-To: <20260313163455.790692-1-thierry.escande@vates.tech> References: <20260313163455.790692-1-thierry.escande@vates.tech> X-Native-Encoded: 1 X-Report-Abuse: =?UTF-8?Q?Please=20forward=20a=20copy=20of=20this=20message,=20including=20all=20headers,=20to=20abuse@mandrill.com.=20You=20can=20also=20report=20abuse=20here:=20https://mandrillapp.com/contact/abuse=3Fid=3D30504962.344d125658814570b3612034e846277e?= X-Mandrill-User: md_30504962 Feedback-ID: 30504962:30504962.20260313:md Date: Fri, 13 Mar 2026 16:35:03 +0000 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @mandrillapp.com) (identity thierry.escande@vates.tech) X-ZM-MESSAGEID: 1773419762456154100 Content-Type: text/plain; charset="utf-8" This patch adds wrappers in hvmloader for the hypercalls used to set and get the ECAM space base address and size. Signed-off-by: Thierry Escande --- tools/firmware/hvmloader/util.c | 26 ++++++++++++++++++++++++++ tools/firmware/hvmloader/util.h | 4 ++++ 2 files changed, 30 insertions(+) diff --git a/tools/firmware/hvmloader/util.c b/tools/firmware/hvmloader/uti= l.c index 45519ea583..ee7a09b5bc 100644 --- a/tools/firmware/hvmloader/util.c +++ b/tools/firmware/hvmloader/util.c @@ -690,6 +690,32 @@ error: BUG(); } =20 +int hvm_set_ecam_space(uint64_t addr, uint32_t size) +{ + xen_hvm_ecam_space_t ecam; + + ecam.domid =3D DOMID_SELF; + ecam.addr =3D addr; + ecam.size =3D size; + return hypercall_hvm_op(HVMOP_set_ecam_space, &ecam); +} + +int hvm_get_ecam_space(uint64_t *addr, uint32_t *size) +{ + struct xen_hvm_ecam_space e =3D { }; + int ret; + + e.domid =3D DOMID_SELF; + + ret =3D hypercall_hvm_op(HVMOP_get_ecam_space, &e); + if ( ret =3D=3D 0 ) { + *addr =3D e.addr; + *size =3D e.size; + } + + return ret; +} + static void validate_hvm_info(struct hvm_info_table *t) { uint8_t *ptr =3D (uint8_t *)t; diff --git a/tools/firmware/hvmloader/util.h b/tools/firmware/hvmloader/uti= l.h index 4641ca0c46..f63fdd3fbf 100644 --- a/tools/firmware/hvmloader/util.h +++ b/tools/firmware/hvmloader/util.h @@ -403,6 +403,10 @@ struct acpi_config; void hvmloader_acpi_build_tables(struct acpi_config *config, unsigned int physical); =20 +/* Pass ecam space information to Xen */ +int hvm_get_ecam_space(uint64_t *addr, uint32_t *size); +int hvm_set_ecam_space(uint64_t addr, uint32_t size); + #endif /* __HVMLOADER_UTIL_H__ */ =20 /* --=20 2.51.0 -- Thierry Escande | Vates XCP-ng Developer XCP-ng & Xen Orchestra - Vates solutions web: https://vates.tech