From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B786DC04E30 for ; Mon, 9 Dec 2019 15:20:06 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 854742077B for ; Mon, 9 Dec 2019 15:20:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UL9W1/hB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 854742077B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41422 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieKpR-0005eN-Jy for qemu-devel@archiver.kernel.org; Mon, 09 Dec 2019 10:20:05 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:47306) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieKY5-0003di-4Y for qemu-devel@nongnu.org; Mon, 09 Dec 2019 10:02:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ieKY3-0001aC-Ee for qemu-devel@nongnu.org; Mon, 09 Dec 2019 10:02:09 -0500 Received: from mail-wr1-x442.google.com ([2a00:1450:4864:20::442]:43663) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ieKY3-0001Z7-6m for qemu-devel@nongnu.org; Mon, 09 Dec 2019 10:02:07 -0500 Received: by mail-wr1-x442.google.com with SMTP id d16so16529010wre.10 for ; Mon, 09 Dec 2019 07:02:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=2obtCf3Vea6+0Qq3n8fYhTNc8P7aN6TGdrLYdh2+Zcc=; b=UL9W1/hBlvr0O21n2ShBLrfqzvB/KcZiCn/d2ClZ6PyMXUDPID76gtGixDzuG6KmWu 9vozsF6dMiCoHTVl+Ymb0f33kUoYtDNGT1LQcbSgKovvpviJP/zjscqCQLGFZYvFV4j/ hGRj25ZTHBAyDOYQ2TZL+tiG+efA4XeQCHeV8kngEDGkq3jtKvtqT4/Yjrn9VvQ1W49D +ESlTse551KUMQzHstHb1V1bqOloelpaMnTbBUt++cnTfTiLlJ7L4Q02G9yX8N9WsqU0 h2nyqsr9IQ6MjQMXlrAuudlWeTio6PCTsg4sHRzVwXD3tGodcvntZIfqMCDJRXBievvJ VJOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=2obtCf3Vea6+0Qq3n8fYhTNc8P7aN6TGdrLYdh2+Zcc=; b=ZX5LGV07EPRx6XECq62BF+rU0OEONKCaF4/360euX/S7zW2zvglq7Ez5UWZU0iFhu+ DAIBc9tEw2TN4eRj160LY03tBEpeO693CEHYRTd/HhQ2l3bhmFPaj0n915exE9EktYo+ 1a24jSEiUC+4gIX1PgraPPCUKIxpQSMgq21KYQp0QlIlLlnv03XNJEkQhMGj6s3QU+JM pTjuhniPdawKNEd5tIPQFxo5HmiclIp6h9Xp6vEPy8372qrlaAZOPRS4kcx0nw3RdYgk vnu4gyPPbU8Ri1hdwMBk0zTkcn7LwChpJoUHCO9S9m/uumefgk01UN5AHnsD/68NjZZG V2uA== X-Gm-Message-State: APjAAAVWfcYI75LrwX5/BHONL5VkWW6xsaDu/pva+v6Dr+KjtnnQNM8F l8uiMM+UuwC/2O/gL4Ra+Nx1GqK8 X-Google-Smtp-Source: APXvYqwEX7FD0SY2L3zjoQMM7924kawAnuVbvALn1044sRnzwC/Yt66txa/IQsvIprx2x1IgDg4OIw== X-Received: by 2002:adf:e40f:: with SMTP id g15mr2761553wrm.223.1575903725987; Mon, 09 Dec 2019 07:02:05 -0800 (PST) Received: from 640k.lan ([93.56.166.5]) by smtp.gmail.com with ESMTPSA id g9sm27219371wro.67.2019.12.09.07.02.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 09 Dec 2019 07:02:05 -0800 (PST) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH v2 17/18] kvm: introduce kvm_kernel_irqchip_* functions Date: Mon, 9 Dec 2019 16:01:44 +0100 Message-Id: <1575903705-12925-18-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1575903705-12925-1-git-send-email-pbonzini@redhat.com> References: <1575903705-12925-1-git-send-email-pbonzini@redhat.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::442 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: thuth@redhat.com, elmarco@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The KVMState struct is opaque, so provide accessors for the fields that will be moved from current_machine to the accelerator. For now they just forward to the machine object, but this will change. Signed-off-by: Paolo Bonzini --- accel/kvm/kvm-all.c | 23 +++++++++++++++++++---- hw/ppc/e500.c | 4 ++-- hw/ppc/spapr_irq.c | 10 +++++----- include/sysemu/kvm.h | 7 +++++-- target/arm/kvm.c | 8 ++++---- target/i386/kvm.c | 4 ++-- target/mips/kvm.c | 2 +- target/ppc/kvm.c | 2 +- target/s390x/kvm.c | 2 +- 9 files changed, 40 insertions(+), 22 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index f0b9294..c0a6351 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -1760,7 +1760,7 @@ void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi) g_hash_table_insert(s->gsimap, irq, GINT_TO_POINTER(gsi)); } -static void kvm_irqchip_create(MachineState *machine, KVMState *s) +static void kvm_irqchip_create(KVMState *s) { int ret; @@ -1778,9 +1778,9 @@ static void kvm_irqchip_create(MachineState *machine, KVMState *s) /* First probe and see if there's a arch-specific hook to create the * in-kernel irqchip for us */ - ret = kvm_arch_irqchip_create(machine, s); + ret = kvm_arch_irqchip_create(s); if (ret == 0) { - if (machine_kernel_irqchip_split(machine)) { + if (kvm_kernel_irqchip_split()) { perror("Split IRQ chip mode not supported."); exit(1); } else { @@ -2052,7 +2052,7 @@ static int kvm_init(MachineState *ms) } if (machine_kernel_irqchip_allowed(ms)) { - kvm_irqchip_create(ms, s); + kvm_irqchip_create(s); } if (kvm_eventfds_allowed) { @@ -2969,6 +2969,21 @@ static void kvm_set_kvm_shadow_mem(Object *obj, Visitor *v, s->kvm_shadow_mem = value; } +bool kvm_kernel_irqchip_allowed(void) +{ + return machine_kernel_irqchip_allowed(current_machine); +} + +bool kvm_kernel_irqchip_required(void) +{ + return machine_kernel_irqchip_required(current_machine); +} + +bool kvm_kernel_irqchip_split(void) +{ + return machine_kernel_irqchip_split(current_machine); +} + static void kvm_accel_instance_init(Object *obj) { KVMState *s = KVM_STATE(obj); diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c index 91cd4c2..928efaa 100644 --- a/hw/ppc/e500.c +++ b/hw/ppc/e500.c @@ -801,10 +801,10 @@ static DeviceState *ppce500_init_mpic(PPCE500MachineState *pms, if (kvm_enabled()) { Error *err = NULL; - if (machine_kernel_irqchip_allowed(machine)) { + if (kvm_kernel_irqchip_allowed()) { dev = ppce500_init_mpic_kvm(pmc, irqs, &err); } - if (machine_kernel_irqchip_required(machine) && !dev) { + if (kvm_kernel_irqchip_required() && !dev) { error_reportf_err(err, "kernel_irqchip requested but unavailable: "); exit(1); diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c index d6bb7fd..c3f8870 100644 --- a/hw/ppc/spapr_irq.c +++ b/hw/ppc/spapr_irq.c @@ -77,9 +77,9 @@ int spapr_irq_init_kvm(int (*fn)(SpaprInterruptController *, Error **), MachineState *machine = MACHINE(qdev_get_machine()); Error *local_err = NULL; - if (kvm_enabled() && machine_kernel_irqchip_allowed(machine)) { + if (kvm_enabled() && kvm_kernel_irqchip_allowed()) { if (fn(intc, &local_err) < 0) { - if (machine_kernel_irqchip_required(machine)) { + if (kvm_kernel_irqchip_required()) { error_prepend(&local_err, "kernel_irqchip requested but unavailable: "); error_propagate(errp, local_err); @@ -184,7 +184,7 @@ static int spapr_irq_check(SpaprMachineState *spapr, Error **errp) */ if (kvm_enabled() && spapr->irq == &spapr_irq_dual && - machine_kernel_irqchip_required(machine) && + kvm_kernel_irqchip_required() && xics_kvm_has_broken_disconnect(spapr)) { error_setg(errp, "KVM is too old to support ic-mode=dual,kernel-irqchip=on"); return -1; @@ -290,12 +290,12 @@ void spapr_irq_init(SpaprMachineState *spapr, Error **errp) MachineState *machine = MACHINE(spapr); SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); - if (machine_kernel_irqchip_split(machine)) { + if (kvm_enabled() && kvm_kernel_irqchip_split()) { error_setg(errp, "kernel_irqchip split mode not supported on pseries"); return; } - if (!kvm_enabled() && machine_kernel_irqchip_required(machine)) { + if (!kvm_enabled() && kvm_kernel_irqchip_required()) { error_setg(errp, "kernel_irqchip requested but only available with KVM"); return; diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 9fe233b..aaf2a50 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -519,10 +519,13 @@ void kvm_pc_gsi_handler(void *opaque, int n, int level); void kvm_pc_setup_irq_routing(bool pci_enabled); void kvm_init_irq_routing(KVMState *s); +bool kvm_kernel_irqchip_allowed(void); +bool kvm_kernel_irqchip_required(void); +bool kvm_kernel_irqchip_split(void); + /** * kvm_arch_irqchip_create: * @KVMState: The KVMState pointer - * @MachineState: The MachineState pointer * * Allow architectures to create an in-kernel irq chip themselves. * @@ -530,7 +533,7 @@ void kvm_init_irq_routing(KVMState *s); * 0: irq chip was not created * > 0: irq chip was created */ -int kvm_arch_irqchip_create(MachineState *ms, KVMState *s); +int kvm_arch_irqchip_create(KVMState *s); /** * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl diff --git a/target/arm/kvm.c b/target/arm/kvm.c index 5b82cef..b87b59a 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -741,11 +741,11 @@ void kvm_arch_init_irq_routing(KVMState *s) { } -int kvm_arch_irqchip_create(MachineState *ms, KVMState *s) +int kvm_arch_irqchip_create(KVMState *s) { - if (machine_kernel_irqchip_split(ms)) { - perror("-machine kernel_irqchip=split is not supported on ARM."); - exit(1); + if (kvm_kernel_irqchip_split()) { + perror("-machine kernel_irqchip=split is not supported on ARM."); + exit(1); } /* If we can create the VGIC using the newer device control API, we diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 62ce681..ef63f3a 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -4494,10 +4494,10 @@ void kvm_arch_init_irq_routing(KVMState *s) } } -int kvm_arch_irqchip_create(MachineState *ms, KVMState *s) +int kvm_arch_irqchip_create(KVMState *s) { int ret; - if (machine_kernel_irqchip_split(ms)) { + if (kvm_kernel_irqchip_split()) { ret = kvm_vm_enable_cap(s, KVM_CAP_SPLIT_IRQCHIP, 0, 24); if (ret) { error_report("Could not enable split irqchip mode: %s", diff --git a/target/mips/kvm.c b/target/mips/kvm.c index 578bc14..de3e26e 100644 --- a/target/mips/kvm.c +++ b/target/mips/kvm.c @@ -57,7 +57,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) return 0; } -int kvm_arch_irqchip_create(MachineState *ms, KVMState *s) +int kvm_arch_irqchip_create(KVMState *s) { return 0; } diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index c77f984..461dc6d 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -152,7 +152,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) return 0; } -int kvm_arch_irqchip_create(MachineState *ms, KVMState *s) +int kvm_arch_irqchip_create(KVMState *s) { return 0; } diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c index 0c9d14b..f3a742b 100644 --- a/target/s390x/kvm.c +++ b/target/s390x/kvm.c @@ -374,7 +374,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) return 0; } -int kvm_arch_irqchip_create(MachineState *ms, KVMState *s) +int kvm_arch_irqchip_create(KVMState *s) { return 0; } -- 1.8.3.1