From patchwork Mon Jul 19 13:19:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Vasant Hegde X-Patchwork-Id: 1507065 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=oXUZWkeo; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4GT2dH0LTBz9sf9 for ; Mon, 19 Jul 2021 23:24:51 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4GT2dG6NH4z3bTq for ; Mon, 19 Jul 2021 23:24:50 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=oXUZWkeo; dkim-atps=neutral X-Original-To: skiboot@lists.ozlabs.org Delivered-To: skiboot@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=linux.vnet.ibm.com (client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com; envelope-from=hegdevasant@linux.vnet.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=oXUZWkeo; dkim-atps=neutral Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4GT2ZK5CXSz30Mk for ; Mon, 19 Jul 2021 23:22:17 +1000 (AEST) Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 16JD3jTi010124; Mon, 19 Jul 2021 09:22:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=pp1; bh=ubNRZYPSDbO5dERCdsnvvdh9uM6mHRDRaUN0qnvDLFg=; b=oXUZWkeoMPxdioIdY+2RX3VahxthxpaO4bdneRx4yHCbzSFmgQO38f/4adIrlDE6wtAC O/UDvFWe9UF9s5d/FsI+4lgTjRYLNhYa573KGfwSONIOCXkt9CIsURvLcNNwpMgIfqXC Pu3MQv9HT6clI97Byx6EKaHpY94XgcDSmS/yT8nmnq1Zi6hvBhOr99RLESYLBbhRJhq3 /SIgR597rZp4Ku/jh1laa7FaIMi6bulLTHlmMDgBHEby/r6sPoKFTgYje+C9vSX9A3Oq rsmMTZT4oTkHRtIL+sVpTH6ggGsQ1nrBMCT/G/r3nYm1hvMs+57cypNfG1Cp1pnsRiW+ kQ== Received: from ppma01fra.de.ibm.com (46.49.7a9f.ip4.static.sl-reverse.com [159.122.73.70]) by mx0b-001b2d01.pphosted.com with ESMTP id 39w8w8juqa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 19 Jul 2021 09:22:08 -0400 Received: from pps.filterd (ppma01fra.de.ibm.com [127.0.0.1]) by ppma01fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 16JDDecd008549; Mon, 19 Jul 2021 13:22:06 GMT Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by ppma01fra.de.ibm.com with ESMTP id 39upu88cn0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 19 Jul 2021 13:22:06 +0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 16JDM3J022937904 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 19 Jul 2021 13:22:03 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C7CF8A4051; Mon, 19 Jul 2021 13:22:03 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6CD1AA4055; Mon, 19 Jul 2021 13:22:02 +0000 (GMT) Received: from hegdevasant.in.ibm.com (unknown [9.85.86.230]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 19 Jul 2021 13:22:02 +0000 (GMT) From: Vasant Hegde To: skiboot@lists.ozlabs.org Date: Mon, 19 Jul 2021 18:49:58 +0530 Message-Id: <20210719132012.150948-48-hegdevasant@linux.vnet.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210719132012.150948-1-hegdevasant@linux.vnet.ibm.com> References: <20210719132012.150948-1-hegdevasant@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 1FCjCF9nD0VzuvRyRaQGS1G-uwiupIfP X-Proofpoint-GUID: 1FCjCF9nD0VzuvRyRaQGS1G-uwiupIfP X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-07-19_05:2021-07-19, 2021-07-19 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=885 mlxscore=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 adultscore=0 suspectscore=0 clxscore=1015 impostorscore=0 spamscore=0 bulkscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2107190076 Subject: [Skiboot] [PATCH 47/61] xive/p10: Tune max_entries_in_modified when split_mode is on X-BeenThere: skiboot@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Mailing list for skiboot development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?C=C3=A9dric_Le_Goater?= Errors-To: skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Skiboot" From: Cédric Le Goater This reduces the number of entries currently modified in the ESB cache. Signed-off-by: Cédric Le Goater Signed-off-by: Vasant Hegde --- hw/xive2.c | 1 + include/xive2-regs.h | 1 + 2 files changed, 2 insertions(+) diff --git a/hw/xive2.c b/hw/xive2.c index d9894a071..1f08ddef6 100644 --- a/hw/xive2.c +++ b/hw/xive2.c @@ -1627,6 +1627,7 @@ static void xive_config_esb_cache(struct xive *x) if (xive_has_cap(x, CQ_XIVE_CAP_PHB_PQ_DISABLE)) { val |= VC_ESBC_CFG_SPLIT_MODE | VC_ESBC_CFG_HASH_ARRAY_ENABLE; + val = SETFIELD(VC_ESBC_CFG_MAX_ENTRIES_IN_MODIFIED, val, 0xE); xive_dbg(x, "ESB cache configured with split mode " "and hash array. VC_ESBC_CFG=%016llx\n", val); } else diff --git a/include/xive2-regs.h b/include/xive2-regs.h index c2ed265f6..1f7a3e721 100644 --- a/include/xive2-regs.h +++ b/include/xive2-regs.h @@ -233,6 +233,7 @@ #define VC_ESBC_CFG_HASH_ARRAY_ENABLE PPC_BIT(40) #define VC_ESBC_CFG_HASH_STORE_MODE PPC_BITMASK(41,42) #define VC_ESBC_CFG_SPLIT_MODE PPC_BIT(56) +#define VC_ESBC_CFG_MAX_ENTRIES_IN_MODIFIED PPC_BITMASK(59,63) /* EASC flush control register */ #define X_VC_EASC_FLUSH_CTRL 0x160