From patchwork Mon May 16 10:37:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Michael S. Tsirkin" X-Patchwork-Id: 12850623 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 630ACC433EF for ; Mon, 16 May 2022 11:25:33 +0000 (UTC) Received: from localhost ([::1]:55704 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nqYqy-0001PJ-BH for qemu-devel@archiver.kernel.org; Mon, 16 May 2022 07:25:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48518) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nqY6e-0007GI-T8 for qemu-devel@nongnu.org; Mon, 16 May 2022 06:37:41 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:54587) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nqY6d-0005P1-4q for qemu-devel@nongnu.org; Mon, 16 May 2022 06:37:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652697458; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=U+TWCmXemeOOogm+lPN22wWpWb1iaL7PiLt3LTYMSX8=; b=WA+xaWta+Qs5WdQq2MrQmGUaNdGy3+WL/sZw0uaxAw/kQ/YNWBrUuAZh8pcT27PteRCZXV qk33Q+TEvNQ7CXUZXg06YZNLHtk9T0tHMvNc1ohNPclvoXSJDgd0rFsOabcObjFAu4HEjp qij14rnhPRDJSiZF1aItE0lRyIUGuGc= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-116-vJD36-e5NQunyFL-8B-gTQ-1; Mon, 16 May 2022 06:37:37 -0400 X-MC-Unique: vJD36-e5NQunyFL-8B-gTQ-1 Received: by mail-wm1-f69.google.com with SMTP id 205-20020a1c02d6000000b003928cd3853aso10134150wmc.9 for ; Mon, 16 May 2022 03:37:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=U+TWCmXemeOOogm+lPN22wWpWb1iaL7PiLt3LTYMSX8=; b=zWzxVQ0V0Fl6vCGVvAC1s1qF04PPCseNzEzcz+8oLKbxCRQcjI5kIK6lCtoA8giq+g s4kcbQ3CIkQRfrKSImX4v1h6VSEv8I0mk8ny3Is819uimzonwxijZjJB0QRCRxx++FT3 vfBoipoNUtTQk8Fi+ELGs9UrC39sPukr6/drts+e/s8YJVysYkxVWU9DbZ1F5PWRK35Z OCTPJLcyewZuXJkVUI9b1Ij9VcBrvTG4pY1rV/l674Jj44JF7pyCE9IsZqTjTqaM/W4f N+sT85thuawMdzJwcAZ929cUxx1bbSLcxHyfGG6wRk9wbU/Qomg/N7Jfr8rW240q8TZP ukJg== X-Gm-Message-State: AOAM530bvrQRKWPS3hj/i2ok78nSG05CWzhulPfVchgVJf4feFbgN5W7 yR1ovckyJUCrmqgf7bp0RyhwqpZZWF/QB/KApZGjWUbK3r9y4rA9d+zcSAV8H3MilmnNxCdniKK S4fdp1tDkT9gmRH670/3U93yK7guByOnz9AEzPOUmPG+4ejcJIzQAbjQDgpcj X-Received: by 2002:adf:ffcf:0:b0:20d:437:97a7 with SMTP id x15-20020adfffcf000000b0020d043797a7mr5844058wrs.286.1652697456029; Mon, 16 May 2022 03:37:36 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzh28mR7hXMJLj1YQP2zzH/tYj+IE/EAnCP2iT6yqkwMRVIJb2BiUvHsseGVifnESX9kk9ejQ== X-Received: by 2002:adf:ffcf:0:b0:20d:437:97a7 with SMTP id x15-20020adfffcf000000b0020d043797a7mr5844034wrs.286.1652697455756; Mon, 16 May 2022 03:37:35 -0700 (PDT) Received: from redhat.com ([2.55.141.66]) by smtp.gmail.com with ESMTPSA id bi12-20020a05600c3d8c00b003942a244edbsm7398435wmb.32.2022.05.16.03.37.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 May 2022 03:37:35 -0700 (PDT) Date: Mon, 16 May 2022 06:37:32 -0400 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , Jonathan Cameron , Alex =?utf-8?q?Benn=C3=A9e?= , Marcel Apfelbaum , Ben Widawsky Subject: [PULL 33/91] CXL/cxl_component: Add cxl_get_hb_cstate() Message-ID: <20220516095448.507876-34-mst@redhat.com> References: <20220516095448.507876-1-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220516095448.507876-1-mst@redhat.com> 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: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" From: Jonathan Cameron Accessor to get hold of the cxl state for a CXL host bridge without exposing the internals of the implementation. Signed-off-by: Jonathan Cameron Reviewed-by: Alex Bennée Message-Id: <20220429144110.25167-32-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/cxl/cxl_component.h | 2 ++ hw/pci-bridge/pci_expander_bridge.c | 7 +++++++ 2 files changed, 9 insertions(+) diff --git a/include/hw/cxl/cxl_component.h b/include/hw/cxl/cxl_component.h index 4f69688c47..70b5018156 100644 --- a/include/hw/cxl/cxl_component.h +++ b/include/hw/cxl/cxl_component.h @@ -218,4 +218,6 @@ static inline hwaddr cxl_decode_ig(int ig) return 1 << (ig + 8); } +CXLComponentState *cxl_get_hb_cstate(PCIHostState *hb); + #endif diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c index 22feda1ff0..69244decdb 100644 --- a/hw/pci-bridge/pci_expander_bridge.c +++ b/hw/pci-bridge/pci_expander_bridge.c @@ -72,6 +72,13 @@ static GList *pxb_dev_list; #define TYPE_PXB_HOST "pxb-host" +CXLComponentState *cxl_get_hb_cstate(PCIHostState *hb) +{ + CXLHost *host = PXB_CXL_HOST(hb); + + return &host->cxl_cstate; +} + static int pxb_bus_num(PCIBus *bus) { PXBDev *pxb = convert_to_pxb(bus->parent_dev);