From patchwork Thu Jul 25 23:52:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicholas Piggin X-Patchwork-Id: 13742285 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 D4E82C49EA1 for ; Fri, 26 Jul 2024 00:02:07 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sX8Ii-00051M-FF; Thu, 25 Jul 2024 19:55:12 -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 1sX8Ig-0004tE-Cc; Thu, 25 Jul 2024 19:55:10 -0400 Received: from mail-pg1-x533.google.com ([2607:f8b0:4864:20::533]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sX8Ie-0000nB-Rp; Thu, 25 Jul 2024 19:55:10 -0400 Received: by mail-pg1-x533.google.com with SMTP id 41be03b00d2f7-79b530ba612so304194a12.2; Thu, 25 Jul 2024 16:55:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721951706; x=1722556506; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tzSJO/z7j+GgnjnioIlTWgJR2vtdMWm0HI0he1OMD1c=; b=F3Hs56tVspgrfAEMe0T4Ms8cT8jcso62EHMAN622sAniYwpvBK1DnVRCY1/HpVSoTJ 4TSh4A7IORvLACNbgX/ETzxz+EfuU9VFkfmIDy/0GLBrwE3chU2GapIBLkIDUChexAcC kuGI9L4Pj/AYRR861d0riqh3f1yvSo7y9Yc9IJ36bHgQgKqHiPzmCNJSFAcbstyT2ZVq tKQY5tvZYgGfS5ugcxKWbGahGeuvgA1Vo3fJvJvbZn9vJxkUphxs9pT6WI+e4fi26+cR xnmNIitTTy5rVwJ5AF70ALAetyCuPKfKIfmnrKzlV0u5RzTOWR6YFonX2Gqhpf394hAp X1RQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721951706; x=1722556506; 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=tzSJO/z7j+GgnjnioIlTWgJR2vtdMWm0HI0he1OMD1c=; b=OwL9neRWDicacen0fm00zhW/oxGSQ9Ow57rt67RAO6h7nPanRw18yRtT8DWrCXRV3S UAOFY2vTZ+oTGJCtAO6MaKVDq/vnUng65lES7xcs6FoJMAuc3+4CUqiECLI/LY4reXSn E1W7Ead8C7AURBSSYwTn1RfxVEZfismKA5iF7PsYpMfR2ySGXBSekkXBv+sGw5i3F9V5 GdSQMBHP4Vn8U9FAjcELO7wULMoJbO0SSq7nRVieq6yJIepxzz2MCjfE/gG/HQVpY4Ye NYX8vFYwo29/HZID0x9gwfJz79C6Vph1VAoiEeoitz9JeIFDaoSL+zDdVJEAxp1TBXOn NSNA== X-Forwarded-Encrypted: i=1; AJvYcCV2LmrGda6L6q8DEuCTRRM81XpwVz0JBtya0jk3WsCZauPYEbez8rJd8se+VQDrFb+zYFnI3Fls2yvggrPOhn/kColZ X-Gm-Message-State: AOJu0YzOnOAuF8bURKpQ/TzHmCawRfFmuYK6Kt51ZxFFxyVpOPBiZpQa xNNopEdLrEi2EnrTGYVy60mu7k0DT/e3xZVOVQtqShM6SoDKzNBCWJIpJg== X-Google-Smtp-Source: AGHT+IFdJmb22TFtMVqzNbS5R6/EkUjlL/d0UxzAuLWGicBTELvVU9Vqy1uFxlHKWdITBJ+xziaA3Q== X-Received: by 2002:a17:90a:474a:b0:2c9:3370:56e3 with SMTP id 98e67ed59e1d1-2cf2eb20f74mr3969651a91.34.1721951706249; Thu, 25 Jul 2024 16:55:06 -0700 (PDT) Received: from wheely.local0.net ([203.220.44.216]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2cf28c7fef3sm2142060a91.16.2024.07.25.16.55.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jul 2024 16:55:05 -0700 (PDT) From: Nicholas Piggin To: qemu-devel@nongnu.org Cc: Nicholas Piggin , qemu-ppc@nongnu.org, Shivaprasad G Bhat Subject: [PULL 10/96] target/ppc/cpu_init: Synchronize DEXCR with KVM for migration Date: Fri, 26 Jul 2024 09:52:43 +1000 Message-ID: <20240725235410.451624-11-npiggin@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240725235410.451624-1-npiggin@gmail.com> References: <20240725235410.451624-1-npiggin@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::533; envelope-from=npiggin@gmail.com; helo=mail-pg1-x533.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Shivaprasad G Bhat The patch enables DEXCR migration by hooking with the "KVM one reg" ID KVM_REG_PPC_DEXCR. Signed-off-by: Shivaprasad G Bhat Signed-off-by: Nicholas Piggin --- target/ppc/cpu_init.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index cdada7987d..7c3ee80661 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -5886,9 +5886,9 @@ static void register_power10_hash_sprs(CPUPPCState *env) static void register_power10_dexcr_sprs(CPUPPCState *env) { - spr_register(env, SPR_DEXCR, "DEXCR", + spr_register_kvm(env, SPR_DEXCR, "DEXCR", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_generic, &spr_write_generic, KVM_REG_PPC_DEXCR, 0); spr_register(env, SPR_UDEXCR, "UDEXCR",