From nobody Wed Nov 12 11:51:42 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1570437846; cv=none; d=zoho.com; s=zohoarc; b=B4Sb20cg1VB48T4LwigpOXGJ0YbBXqJMjztLWgwxQLWyTlWvPQ9EtEcggIIlNfKqQ2MFtUVJr4aDtZ08eZJJ79Afe0F+s77LWCdPRHMt3yHiikl60kJeRj/Wg9X9x9ictOC6NaFc9Wo8/dI+yVctsTiP6K/QNgiIqUccgKbIvoU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1570437846; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=cb7sf3P3krsnm1WsPQnXe1cexFv/IHHpGE1C65FMf9Q=; b=DVT/S9AWS6OIOglzZD45YUI3IBMMgnMIAeHy6/D8yUIoMiH0TrD+FuZOG9anb7kaJvmtzogR/1kt6pN8Gblbw3O+w+RLfzKIoPdaB00FGDbjSYkqML++PRyqLOf5CGeg3v64t5UFloY/WxKF/wI/6WerfACqCdKbyn1NY6WGkEU= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.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 1570437846724249.06489273045304; Mon, 7 Oct 2019 01:44:06 -0700 (PDT) Received: from localhost ([::1]:41696 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHOca-0005aS-I4 for importer@patchew.org; Mon, 07 Oct 2019 04:44:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48978) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHOaa-0003iE-Ox for qemu-devel@nongnu.org; Mon, 07 Oct 2019 04:42:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iHOaW-00041O-1Q for qemu-devel@nongnu.org; Mon, 07 Oct 2019 04:41:56 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:45782) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iHOa6-0003ns-9u for qemu-devel@nongnu.org; Mon, 07 Oct 2019 04:41:51 -0400 Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x978cFK1057949 for ; Mon, 7 Oct 2019 04:41:18 -0400 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 2vf98g469w-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 07 Oct 2019 04:41:17 -0400 Received: from localhost by e06smtp03.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 7 Oct 2019 09:41:14 +0100 Received: from b06avi18626390.portsmouth.uk.ibm.com (9.149.26.192) by e06smtp03.uk.ibm.com (192.168.101.133) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 7 Oct 2019 09:41:13 +0100 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06avi18626390.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x978egAt13369654 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 7 Oct 2019 08:40:42 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 50633A4062; Mon, 7 Oct 2019 08:41:12 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3BD30A4054; Mon, 7 Oct 2019 08:41:12 +0000 (GMT) Received: from smtp.tls.ibm.com (unknown [9.101.4.1]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 7 Oct 2019 08:41:12 +0000 (GMT) Received: from yukon.kaod.org.com (sig-9-145-169-184.de.ibm.com [9.145.169.184]) by smtp.tls.ibm.com (Postfix) with ESMTP id 818D722006B; Mon, 7 Oct 2019 10:41:11 +0200 (CEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: David Gibson Subject: [PATCH 4/9] ppc/xive: Introduce helpers for the NVT id Date: Mon, 7 Oct 2019 10:40:57 +0200 X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191007084102.29776-1-clg@kaod.org> References: <20191007084102.29776-1-clg@kaod.org> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19100708-0012-0000-0000-00000354C280 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19100708-0013-0000-0000-0000218FD255 Message-Id: <20191007084102.29776-5-clg@kaod.org> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-10-07_01:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1034 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=811 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910070090 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx0a-001b2d01.pphosted.com id x978cFK1057949 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , qemu-ppc@nongnu.org, qemu-devel@nongnu.org, Greg Kurz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" The NVT space is 19 bits wide, giving a maximum of 512K per chip. When a vPCU is dispatched on a HW thread, the NVT identifier is pushed in the CAM line (QW1W2). This identifier is used in the presenter subengine to fetch a NVT structure which might contain pending interrupts that need a resend. Signed-off-by: C=C3=A9dric Le Goater --- include/hw/ppc/xive.h | 5 ----- include/hw/ppc/xive_regs.h | 21 +++++++++++++++++++++ 2 files changed, 21 insertions(+), 5 deletions(-) diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h index fd3319bd3202..c1d274f39f9f 100644 --- a/include/hw/ppc/xive.h +++ b/include/hw/ppc/xive.h @@ -416,11 +416,6 @@ uint64_t xive_tctx_tm_read(XiveTCTX *tctx, hwaddr offs= et, unsigned size); void xive_tctx_pic_print_info(XiveTCTX *tctx, Monitor *mon); Object *xive_tctx_create(Object *cpu, XiveRouter *xrtr, Error **errp); =20 -static inline uint32_t xive_nvt_cam_line(uint8_t nvt_blk, uint32_t nvt_idx) -{ - return (nvt_blk << 19) | nvt_idx; -} - /* * KVM XIVE device helpers */ diff --git a/include/hw/ppc/xive_regs.h b/include/hw/ppc/xive_regs.h index 530f232b04f8..1a5622f8ded8 100644 --- a/include/hw/ppc/xive_regs.h +++ b/include/hw/ppc/xive_regs.h @@ -272,4 +272,25 @@ typedef struct XiveNVT { =20 #define xive_nvt_is_valid(nvt) (be32_to_cpu((nvt)->w0) & NVT_W0_VALID) =20 +/* + * The VP number space in a block is defined by the END_W6_NVT_INDEX + * field of the XIVE END + */ +#define XIVE_NVT_SHIFT 19 + +static inline uint32_t xive_nvt_cam_line(uint8_t nvt_blk, uint32_t nvt_idx) +{ + return (nvt_blk << XIVE_NVT_SHIFT) | nvt_idx; +} + +static inline uint32_t xive_nvt_idx(uint32_t cam_line) +{ + return cam_line & ((1 << XIVE_NVT_SHIFT) - 1); +} + +static inline uint32_t xive_nvt_blk(uint32_t cam_line) +{ + return (cam_line >> XIVE_NVT_SHIFT) & 0xf; +} + #endif /* PPC_XIVE_REGS_H */ --=20 2.21.0