From nobody Wed Feb 11 02:10:21 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 1695285471873780.097852483014; Thu, 21 Sep 2023 01:37:51 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qjFAl-0008RG-0y; Thu, 21 Sep 2023 04:36:31 -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 1qjFA1-0006HU-Ej; Thu, 21 Sep 2023 04:35:46 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qjF9z-0001Kt-Ko; Thu, 21 Sep 2023 04:35:45 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 806AB23DAE; Thu, 21 Sep 2023 11:35:35 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 2FEE429A08; Thu, 21 Sep 2023 11:35:14 +0300 (MSK) Received: (nullmailer pid 509115 invoked by uid 1000); Thu, 21 Sep 2023 08:35:11 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: Dave Jiang , qemu-trivial@nongnu.org, Jonathan Cameron , Fan Ni , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Michael Tokarev Subject: [PULL 11/17] hw/pci-bridge/cxl_upstream: Fix bandwidth entry base unit for SSLBIS Date: Thu, 21 Sep 2023 11:35:00 +0300 Message-Id: <20230921083506.509032-12-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230921083506.509032-1-mjt@tls.msk.ru> References: <20230921083506.509032-1-mjt@tls.msk.ru> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1695285473249100001 From: Dave Jiang According to ACPI spec 6.5 5.2.28.4 System Locality Latency and Bandwidth Information Structure, if the "Entry Base Unit" is 1024 for BW and the matrix entry has the value of 100, the BW is 100 GB/s. So the entry_base_unit should be changed from 1000 to 1024 given the comment notes it's 16GB/s for .latency_bandwidth. Fixes: 882877fc359d ("hw/pci-bridge/cxl-upstream: Add a CDAT table access D= OE") Signed-off-by: Dave Jiang Signed-off-by: Jonathan Cameron Reviewed-by: Fan Ni Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Michael Tokarev --- hw/pci-bridge/cxl_upstream.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/pci-bridge/cxl_upstream.c b/hw/pci-bridge/cxl_upstream.c index 9159f48a8c..2b9cf0cc97 100644 --- a/hw/pci-bridge/cxl_upstream.c +++ b/hw/pci-bridge/cxl_upstream.c @@ -262,7 +262,7 @@ static int build_cdat_table(CDATSubHeader ***cdat_table= , void *priv) .length =3D sslbis_size, }, .data_type =3D HMATLB_DATA_TYPE_ACCESS_BANDWIDTH, - .entry_base_unit =3D 1000, + .entry_base_unit =3D 1024, }, }; =20 --=20 2.39.2