From nobody Tue Feb 10 04:29:44 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1689220473081889.344595752249; Wed, 12 Jul 2023 20:54:33 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qJnOF-0005TL-0Q; Wed, 12 Jul 2023 23:53:15 -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 1qJnO1-0005PL-V7 for qemu-devel@nongnu.org; Wed, 12 Jul 2023 23:53:01 -0400 Received: from mail-pl1-f181.google.com ([209.85.214.181]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qJnNs-0004cb-5X for qemu-devel@nongnu.org; Wed, 12 Jul 2023 23:53:01 -0400 Received: by mail-pl1-f181.google.com with SMTP id d9443c01a7336-1b8bd586086so2568415ad.2 for ; Wed, 12 Jul 2023 20:52:51 -0700 (PDT) Received: from localhost.localdomain ([2607:fb90:8b82:587c:b800:84d:31b7:313d]) by smtp.gmail.com with ESMTPSA id x6-20020a1709027c0600b001b8a37ffb5asm4756199pll.4.2023.07.12.20.52.49 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 12 Jul 2023 20:52:50 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689220370; x=1691812370; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=c1bAFpbzzKhqQoeU0XwQ75tlGjwI6Bw6ioIhwFteVyw=; b=Fkl+sdFF3f1CInAVvi5qIXtUE/YfMg2BF37YlmcbIz6mjhDmj5QnbpftKyukCJ+MvD 6v48ES8D3Q4xos3hn/IAzyhrcHAiUxwzaxQ+Nwz5z4z327ilxJZc21y9C4OmqcG++70/ TGC9U3Z0fpIeu3sbrCj23PmwUvC8+/pPVY8uaMQebadTpIvoPRrQkxwc8Lq6EACElLNK r7yvCP4WOUb8wtNGM7Cw0EY1d0OeO4fuKeqx88kv0LSV5QiJ1bgYEet89ocAvnTe04Zq jIVZ4Kl/yqJCTiP+u6V0w/sXhA86vkew6Iww2ghJE8WpGJXegvSg37f9n+0R63qLpD+M MeTg== X-Gm-Message-State: ABy/qLbzCDbsFHxG2j96KLNkacMI7JTSILtk/jznYXKkgLG9R3CdLqk9 VfVTh6MRSJ6iTx1pRJ01/PGV4j1OIAP7YQ== X-Google-Smtp-Source: APBJJlG8IfbxkauJBCNP9BoP85mTxJkJgzQnNhikSOjmNhVgFD1FB7SxegUv28/ZBhFiMeRX/DRp+w== X-Received: by 2002:a17:903:32c9:b0:1b8:9598:6508 with SMTP id i9-20020a17090332c900b001b895986508mr630088plr.18.1689220370597; Wed, 12 Jul 2023 20:52:50 -0700 (PDT) From: Joelle van Dyne To: qemu-devel@nongnu.org Cc: Joelle van Dyne , Xiaojuan Yang , Song Gao Subject: [PATCH 08/11] hw/loongarch/virt: add plug handler for TPM on SysBus Date: Wed, 12 Jul 2023 20:51:13 -0700 Message-ID: <20230713035232.48406-9-j@getutm.app> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230713035232.48406-1-j@getutm.app> References: <20230713035232.48406-1-j@getutm.app> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=209.85.214.181; envelope-from=osy86dev@gmail.com; helo=mail-pl1-f181.google.com X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1689220473774100002 Content-Type: text/plain; charset="utf-8" TPM needs to know its own base address in order to generate its DSDT device entry. Signed-off-by: Joelle van Dyne --- hw/loongarch/virt.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index e19b042ce8..9c536c52bc 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -1040,6 +1040,37 @@ static void virt_mem_plug(HotplugHandler *hotplug_de= v, dev, &error_abort); } =20 +#ifdef CONFIG_TPM +static void virt_tpm_plug(LoongArchMachineState *lams, TPMIf *tpmif) +{ + PlatformBusDevice *pbus =3D PLATFORM_BUS_DEVICE(lams->platform_bus_dev= ); + hwaddr pbus_base =3D VIRT_PLATFORM_BUS_BASEADDRESS; + SysBusDevice *sbdev =3D SYS_BUS_DEVICE(tpmif); + MemoryRegion *sbdev_mr; + hwaddr tpm_base; + uint64_t tpm_size; + + if (!sbdev || !object_dynamic_cast(OBJECT(sbdev), TYPE_SYS_BUS_DEVICE)= ) { + return; + } + + tpm_base =3D platform_bus_get_mmio_addr(pbus, sbdev, 0); + assert(tpm_base !=3D -1); + + tpm_base +=3D pbus_base; + + sbdev_mr =3D sysbus_mmio_get_region(sbdev, 0); + tpm_size =3D memory_region_size(sbdev_mr); + + if (object_property_find(OBJECT(sbdev), "baseaddr")) { + object_property_set_uint(OBJECT(sbdev), "baseaddr", tpm_base, NULL= ); + } + if (object_property_find(OBJECT(sbdev), "size")) { + object_property_set_uint(OBJECT(sbdev), "size", tpm_size, NULL); + } +} +#endif + static void loongarch_machine_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { @@ -1054,6 +1085,12 @@ static void loongarch_machine_device_plug_cb(Hotplug= Handler *hotplug_dev, } else if (memhp_type_supported(dev)) { virt_mem_plug(hotplug_dev, dev, errp); } + +#ifdef CONFIG_TPM + if (object_dynamic_cast(OBJECT(dev), TYPE_TPM_IF)) { + virt_tpm_plug(lams, TPM_IF(dev)); + } +#endif } =20 static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *mach= ine, --=20 2.39.2 (Apple Git-143)