From nobody Wed Nov 5 18:40:06 2025 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; dkim=fail; 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 (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1536306391463503.28701588956415; Fri, 7 Sep 2018 00:46:31 -0700 (PDT) Received: from localhost ([::1]:37207 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fyBTA-0004xM-PA for importer@patchew.org; Fri, 07 Sep 2018 03:46:20 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45815) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fyBFo-0000Ey-Q8 for qemu-devel@nongnu.org; Fri, 07 Sep 2018 03:32:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fyBFn-0005HP-O5 for qemu-devel@nongnu.org; Fri, 07 Sep 2018 03:32:32 -0400 Received: from ozlabs.org ([203.11.71.1]:53171) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fyBFn-00053u-2i; Fri, 07 Sep 2018 03:32:31 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 4268Jy5xp9z9sX6; Fri, 7 Sep 2018 17:32:02 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1536305522; bh=ggp0kx+HprPOH0eMcpYfQPXBYMwsrCRrxlK+q1brSL8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CGqwExL6vMkEHCWNpFdha6iQ4jFialRM0QlJD+oeqc15bpgO1+loilgkZW72FwnEg mCtkyisSxNH5jbz4DI9Sst6Amnk9QFctMo36fzQVlhoN+YkZm5CtPY+2qAFSFBGvzn Yb8ySZ0xTT9yc0ntuyHMsSwWS1I4Xx5yDLblHoic= From: David Gibson To: peter.maydell@linaro.org Date: Fri, 7 Sep 2018 17:31:54 +1000 Message-Id: <20180907073155.26200-14-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180907073155.26200-1-david@gibson.dropbear.id.au> References: <20180907073155.26200-1-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 203.11.71.1 Subject: [Qemu-devel] [PULL 13/14] target/ppc/kvm: set vcpu as online/offline 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: lvivier@redhat.com, mark.cave-ayland@ilande.co.uk, qemu-devel@nongnu.org, groug@kaod.org, Nikunj A Dadhania , qemu-ppc@nongnu.org, clg@kaod.org, paulus@samba.org, David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Nikunj A Dadhania Set the newly added register(KVM_REG_PPC_ONLINE) to indicate if the vcpu is online(1) or offline(0) KVM will use this information to set the RWMR register, which controls the = PURR and SPURR accumulation. CC: paulus@samba.org Signed-off-by: Nikunj A Dadhania Signed-off-by: David Gibson --- hw/ppc/spapr_cpu_core.c | 1 + hw/ppc/spapr_rtas.c | 2 ++ target/ppc/kvm.c | 9 +++++++++ target/ppc/kvm_ppc.h | 7 +++++++ 4 files changed, 19 insertions(+) diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c index a73b244a3f..2398ce62c0 100644 --- a/hw/ppc/spapr_cpu_core.c +++ b/hw/ppc/spapr_cpu_core.c @@ -90,6 +90,7 @@ void spapr_cpu_set_entry_state(PowerPCCPU *cpu, target_ul= ong nip, target_ulong r =20 env->nip =3D nip; env->gpr[3] =3D r3; + kvmppc_set_reg_ppc_online(cpu, 1); CPU(cpu)->halted =3D 0; /* Enable Power-saving mode Exit Cause exceptions */ ppc_store_lpcr(cpu, env->spr[SPR_LPCR] | pcc->lpcr_pm); diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 4ac96bc94b..d6a0952154 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -33,6 +33,7 @@ #include "sysemu/device_tree.h" #include "sysemu/cpus.h" #include "sysemu/hw_accel.h" +#include "kvm_ppc.h" =20 #include "hw/ppc/spapr.h" #include "hw/ppc/spapr_vio.h" @@ -207,6 +208,7 @@ static void rtas_stop_self(PowerPCCPU *cpu, sPAPRMachin= eState *spapr, * guest */ ppc_store_lpcr(cpu, env->spr[SPR_LPCR] & ~pcc->lpcr_pm); cs->halted =3D 1; + kvmppc_set_reg_ppc_online(cpu, 0); qemu_cpu_kick(cs); } =20 diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index ef63842217..30aeafa7de 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -2783,3 +2783,12 @@ bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu) =20 return !kvmppc_is_pr(cs->kvm_state); } + +void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, unsigned int online) +{ + CPUState *cs =3D CPU(cpu); + + if (kvm_enabled()) { + kvm_set_one_reg(cs, KVM_REG_PPC_ONLINE, &online); + } +} diff --git a/target/ppc/kvm_ppc.h b/target/ppc/kvm_ppc.h index 657582bb32..f696c6e498 100644 --- a/target/ppc/kvm_ppc.h +++ b/target/ppc/kvm_ppc.h @@ -72,6 +72,7 @@ bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu); =20 bool kvmppc_hpt_needs_host_contiguous_pages(void); void kvm_check_mmu(PowerPCCPU *cpu, Error **errp); +void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, unsigned int online); =20 #else =20 @@ -187,6 +188,12 @@ static inline target_ulong kvmppc_configure_v3_mmu(Pow= erPCCPU *cpu, return 0; } =20 +static inline void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, + unsigned int online) +{ + return; +} + #ifndef CONFIG_USER_ONLY static inline bool kvmppc_spapr_use_multitce(void) { --=20 2.17.1