From nobody Tue Feb 10 10:19:04 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; 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 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1512809825142964.021380291198; Sat, 9 Dec 2017 00:57:05 -0800 (PST) Received: from localhost ([::1]:40490 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eNawO-0003S1-JN for importer@patchew.org; Sat, 09 Dec 2017 03:57:00 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46204) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eNalj-0002Gg-0U for qemu-devel@nongnu.org; Sat, 09 Dec 2017 03:46:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eNalf-0008Mm-3s for qemu-devel@nongnu.org; Sat, 09 Dec 2017 03:45:59 -0500 Received: from 19.mo6.mail-out.ovh.net ([188.165.56.177]:40941) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eNale-0008M3-Tk for qemu-devel@nongnu.org; Sat, 09 Dec 2017 03:45:55 -0500 Received: from player735.ha.ovh.net (b9.ovh.net [213.186.33.59]) by mo6.mail-out.ovh.net (Postfix) with ESMTP id A08751277E1 for ; Sat, 9 Dec 2017 09:45:53 +0100 (CET) Received: from zorba.kaod.org.com (LFbn-1-2231-173.w90-76.abo.wanadoo.fr [90.76.52.173]) (Authenticated sender: clg@kaod.org) by player735.ha.ovh.net (Postfix) with ESMTPSA id 762FF160087; Sat, 9 Dec 2017 09:45:47 +0100 (CET) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, David Gibson , Benjamin Herrenschmidt , Greg Kurz Date: Sat, 9 Dec 2017 09:43:38 +0100 Message-Id: <20171209084338.29395-20-clg@kaod.org> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20171209084338.29395-1-clg@kaod.org> References: <20171209084338.29395-1-clg@kaod.org> MIME-Version: 1.0 X-Ovh-Tracer-Id: 11727654907947748179 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtuddrvddugdduvdehucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddm Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 188.165.56.177 Subject: [Qemu-devel] [PATCH v2 19/19] spapr: advertise XIVE exploitation mode in CAS X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Signed-off-by: C=C3=A9dric Le Goater --- hw/ppc/spapr.c | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 867c9d759f3b..e52c510812d9 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -989,10 +989,11 @@ static void spapr_dt_rtas(sPAPRMachineState *spapr, v= oid *fdt) spapr_dt_rtas_tokens(fdt, rtas); } =20 -/* Prepare ibm,arch-vec-5-platform-support, which indicates the MMU featur= es - * that the guest may request and thus the valid values for bytes 24..26 of - * option vector 5: */ -static void spapr_dt_ov5_platform_support(void *fdt, int chosen) +/* Prepare ibm,arch-vec-5-platform-support, which indicates the MMU + * and the XIVE features that the guest may request and thus the valid + * values for bytes 23..26 of option vector 5: */ +static void spapr_dt_ov5_platform_support(sPAPRMachineState *spapr, void *= fdt, + int chosen) { PowerPCCPU *first_ppc_cpu =3D POWERPC_CPU(first_cpu); =20 @@ -1015,7 +1016,16 @@ static void spapr_dt_ov5_platform_support(void *fdt,= int chosen) } else { val[3] =3D 0x00; /* Hash */ } + /* TODO: introduce a kvmppc_has_cap_xive() ? Works with + * irqchip=3Doff for now + */ + if (spapr->xive_exploitation) { + val[1] =3D 0x80; /* OV5_XIVE_BOTH */ + } } else { + if (spapr->xive_exploitation) { + val[1] =3D 0x80; /* OV5_XIVE_BOTH */ + } /* V3 MMU supports both hash and radix in tcg (with dynamic switch= ing) */ val[3] =3D 0xC0; } @@ -1076,7 +1086,7 @@ static void spapr_dt_chosen(sPAPRMachineState *spapr,= void *fdt) _FDT(fdt_setprop_string(fdt, chosen, "linux,stdout-path", stdout_p= ath)); } =20 - spapr_dt_ov5_platform_support(fdt, chosen); + spapr_dt_ov5_platform_support(spapr, fdt, chosen); =20 g_free(stdout_path); g_free(bootlist); @@ -2487,6 +2497,11 @@ static void ppc_spapr_init(MachineState *machine) spapr_ovec_set(spapr->ov5, OV5_HPT_RESIZE); } =20 + /* advertise XIVE if not disabled by the user */ + if (spapr->xive_exploitation) { + spapr_ovec_set(spapr->ov5, OV5_XIVE_EXPLOIT); + } + /* init CPUs */ spapr_set_vsmt_mode(spapr, &error_fatal); =20 --=20 2.13.6