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[14.202.190.183]) by smtp.gmail.com with ESMTPSA id 93sm4609599pjo.43.2020.03.25.07.42.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Mar 2020 07:42:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=gu6pywT46+NIJtDkxdkhjr7/9oPHNs5B3YjgwAQz2ZQ=; b=vI8ipzUtsfog2UdLfSd5QT65v3aV84AxI7Gea2Vamm2LvotNHN9DSH4miIblyhYjKl Hg0SkNw6L5O8mdhEmdz78AhtSK+utjj0OMqOi4H4HB1JV7bceji2NUTJEqd2hcQxxI6J oO/3EdSCOGLCk8XSJWmEG4q/b+f4Lot8x+oeq8NVeeGYhLsS7h95prQA2+hKr3Z+Qzn0 r53Pt6H5fnLUSrAY3xRm8ksHD4zILH8NyETW/ReMALKM5KPfdMRLJSRDfFMNFK+xi2hI 5WwRXnrxoafQmDVMdUzp8MW/TNtuENTX20Goj1ygVbpKx8LgakBBt8gzqudLypzOK2rg ZzbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gu6pywT46+NIJtDkxdkhjr7/9oPHNs5B3YjgwAQz2ZQ=; b=BFrILBE5EXW9swC1NwSuti0pGdKEBhqTXdEYjphTZlMhG9dSO5KfDzJfD2f/rl/FVz 8ETujjfy0kVGbgC1rELwevKGl08BICZF5TDWYVRwc62BS0TVnl0XHYTAQQfPT//7ImHp YFqi8NsjpkUwckfQiNUE7ibClGKGfY611HtZon5Qq+xD4f0c/LlArDaq2aip6WoneBQ1 /tdyOIHzy+7OoRJEKj5leowb7lNiRAva3qNZNSuCR4Cv2uj3QhGFICIdrLpgD8LFHLzU YWFeisF4C0fOXjUnhQjSH1yFf8/tyG7piNDEZXZ1ntThSt/5QahDVN6DHuqifZwiPAHB WRqQ== X-Gm-Message-State: ANhLgQ1T7yuikrD2zJ2/AZCpqEIKSaC1SqEAQDzfFmQJInMVgHRx6BqH zZyzFRijlq6FjwR4q0B+z6eQLTYA X-Google-Smtp-Source: ADFU+vum9tWbJL7v6l867URB0a+AVony1Jv78gtbKJrzMFbsfUflKX8VJYHQTQLPZJtO1kp/gsbgBQ== X-Received: by 2002:a63:e56:: with SMTP id 22mr3429177pgo.173.1585147359098; Wed, 25 Mar 2020 07:42:39 -0700 (PDT) From: Nicholas Piggin To: qemu-ppc@nongnu.org Subject: [PATCH 1/5] ppc/spapr: tweak change system reset helper Date: Thu, 26 Mar 2020 00:41:43 +1000 Message-Id: <20200325144147.221875-2-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200325144147.221875-1-npiggin@gmail.com> References: <20200325144147.221875-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::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: Alexey Kardashevskiy , Mahesh Salgaonkar , qemu-devel@nongnu.org, Nicholas Piggin , Greg Kurz , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Ganesh Goudar , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Rather than have the helper take an optional vector address override, instead have its caller modify env->nip itself. This is more consistent when adding pnv nmi support, and also with mce injection added later. Signed-off-by: Nicholas Piggin Reviewed-by: C=C3=A9dric Le Goater --- hw/ppc/spapr.c | 9 ++++++--- target/ppc/cpu.h | 2 +- target/ppc/excp_helper.c | 5 +---- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 9a2bd501aa..785c41d205 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3385,13 +3385,13 @@ static void spapr_machine_finalizefn(Object *obj) void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg) { SpaprMachineState *spapr =3D SPAPR_MACHINE(qdev_get_machine()); + PowerPCCPU *cpu =3D POWERPC_CPU(cs); + CPUPPCState *env =3D &cpu->env; =20 cpu_synchronize_state(cs); /* If FWNMI is inactive, addr will be -1, which will deliver to 0x100 = */ if (spapr->fwnmi_system_reset_addr !=3D -1) { uint64_t rtas_addr, addr; - PowerPCCPU *cpu =3D POWERPC_CPU(cs); - CPUPPCState *env =3D &cpu->env; =20 /* get rtas addr from fdt */ rtas_addr =3D spapr_get_rtas_addr(); @@ -3405,7 +3405,10 @@ void spapr_do_system_reset_on_cpu(CPUState *cs, run_= on_cpu_data arg) stq_be_phys(&address_space_memory, addr + sizeof(uint64_t), 0); env->gpr[3] =3D addr; } - ppc_cpu_do_system_reset(cs, spapr->fwnmi_system_reset_addr); + ppc_cpu_do_system_reset(cs); + if (spapr->fwnmi_system_reset_addr !=3D -1) { + env->nip =3D spapr->fwnmi_system_reset_addr; + } } =20 static void spapr_nmi(NMIState *n, int cpu_index, Error **errp) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 88d9449555..f4a5304d43 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1220,7 +1220,7 @@ int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction = f, CPUState *cs, int ppc32_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs, int cpuid, void *opaque); #ifndef CONFIG_USER_ONLY -void ppc_cpu_do_system_reset(CPUState *cs, target_ulong vector); +void ppc_cpu_do_system_reset(CPUState *cs); void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector); extern const VMStateDescription vmstate_ppc_cpu; #endif diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 08bc885ca6..7f2b5899d3 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -961,15 +961,12 @@ static void ppc_hw_interrupt(CPUPPCState *env) } } =20 -void ppc_cpu_do_system_reset(CPUState *cs, target_ulong vector) +void ppc_cpu_do_system_reset(CPUState *cs) { PowerPCCPU *cpu =3D POWERPC_CPU(cs); CPUPPCState *env =3D &cpu->env; =20 powerpc_excp(cpu, env->excp_model, POWERPC_EXCP_RESET); - if (vector !=3D -1) { - env->nip =3D vector; - } } =20 void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector) --=20 2.23.0 From nobody Thu Apr 25 23:45:48 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.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; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1585147556; cv=none; d=zohomail.com; s=zohoarc; b=Ch4AQn426Mh8gJPlhUqMyccuQxFJyjY0GcXXcgtl+2g5Xxts8o/skMewR+kttmtaQgjTHYvJ1zDdkHU77Kc79H9RtcHb7zHGrzPI/jxj546tAkzlBWpc3ienpgEPprm/tuusHmhuC0jgDjvVcL4BqUsFZQJOua/nk6KE4hDJsjY= ARC-Message-Signature: i=1; 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[14.202.190.183]) by smtp.gmail.com with ESMTPSA id 93sm4609599pjo.43.2020.03.25.07.42.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Mar 2020 07:42:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=86eibXe5DbOHRThV4ewjzZRWDtlOmwOJ+sM6y32+F6A=; b=siYyMHMLA6Z0mUkNc7QZS6SWnvau9VswmKPYmrTnvkrgUggAbJrqeXqgKJcl5hwmbP UVM1+RLq3QGruRgnHrq0p0oKJPfIuKKk1+PMwC80ZT1BtSfBWdop7m/wQAgAC7xCCuYA /xDEE+Rk3ipHCPWxbm0D5zhEBNG5LskWP8O6atCd6ZU0GYIXJMtiPj6uclPErdPNU8/T qLzbL8cLcQ8yJvfR9WjbylnOe6qAd9X/mlCtl9FoKNgVFm/hU7LM77pxzyMhQyZUMbSh f+EdBbabo1Csioonm5zuugZg6RQDvzDWu5g9OpYMRXl6RdDZX0VdA7Ya5LoBh/JqejGs a1CA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=86eibXe5DbOHRThV4ewjzZRWDtlOmwOJ+sM6y32+F6A=; b=m9qHv5UwUIZJ0649FR+prwY0pJ9M8usiq7lW+HYdImWYooxLqf6nW8BV8kh1vMg7Ai NbReNtmyjIz/nYJwZw1MMdwVcMxUUQerD7g04VXZj000CgrDeUU+YU7J+zw42PNtbw9C oo72zpdy6iyil6sQzlFMIshe1JNsH64L7eAQiF5ZOimIn26UjZvLsgc0U2cl8VYRilpq Y7M07QYk8/TTO20LmGOeLT+X1UsibzCGrpVeTuSH6CHdpjOPXMBvjLQ6hqViGFk6fV/3 WQybS4Ej+fqUznIPSZ92kcRE0awNp9qK816Bn5IVKs2qjTKwEYEbsc1n5X3Dn3XQ4SUB tknA== X-Gm-Message-State: ANhLgQ0+JJALHhvAz1sXD6aQAMcZI/ldl3S9SCTL6QGv5ybZc/hCSmZi A7Nhi75yzCvAhKsle8uVKhmLqn3n X-Google-Smtp-Source: ADFU+vtGsTTcP8OhgDdqk1k57KGWf2ngm2Ehs1/AvTx5BfEH8TKwbmmLNQuuT18HIpOvkJ/YewWQiA== X-Received: by 2002:a62:ce48:: with SMTP id y69mr3760476pfg.178.1585147363548; Wed, 25 Mar 2020 07:42:43 -0700 (PDT) From: Nicholas Piggin To: qemu-ppc@nongnu.org Subject: [PATCH 2/5] ppc/pnv: Add support for NMI interface Date: Thu, 26 Mar 2020 00:41:44 +1000 Message-Id: <20200325144147.221875-3-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200325144147.221875-1-npiggin@gmail.com> References: <20200325144147.221875-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::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: Alexey Kardashevskiy , Mahesh Salgaonkar , qemu-devel@nongnu.org, Nicholas Piggin , Greg Kurz , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Ganesh Goudar , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This implements the NMI interface for the PNV machine, similarly to commit 3431648272d ("spapr: Add support for new NMI interface") for SPAPR. Signed-off-by: Nicholas Piggin Reviewed-by: C=C3=A9dric Le Goater --- hw/ppc/pnv.c | 30 +++++++++++++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-) diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index b75ad06390..671535ebe6 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -27,6 +27,7 @@ #include "sysemu/runstate.h" #include "sysemu/cpus.h" #include "sysemu/device_tree.h" +#include "sysemu/hw_accel.h" #include "target/ppc/cpu.h" #include "qemu/log.h" #include "hw/ppc/fdt.h" @@ -34,6 +35,7 @@ #include "hw/ppc/pnv.h" #include "hw/ppc/pnv_core.h" #include "hw/loader.h" +#include "hw/nmi.h" #include "exec/address-spaces.h" #include "qapi/visitor.h" #include "monitor/monitor.h" @@ -1955,10 +1957,35 @@ static void pnv_machine_set_hb(Object *obj, bool va= lue, Error **errp) } } =20 +static void pnv_cpu_do_nmi_on_cpu(CPUState *cs, run_on_cpu_data arg) +{ + PowerPCCPU *cpu =3D POWERPC_CPU(cs); + CPUPPCState *env =3D &cpu->env; + + cpu_synchronize_state(cs); + ppc_cpu_do_system_reset(cs); + /* + * SRR1[42:45] is set to 0100 which the ISA defines as implementation + * dependent. POWER processors use this for xscom triggered interrupts, + * which come from the BMC or NMI IPIs. + */ + env->spr[SPR_SRR1] |=3D PPC_BIT(43); +} + +static void pnv_nmi(NMIState *n, int cpu_index, Error **errp) +{ + CPUState *cs; + + CPU_FOREACH(cs) { + async_run_on_cpu(cs, pnv_cpu_do_nmi_on_cpu, RUN_ON_CPU_NULL); + } +} + static void pnv_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc =3D MACHINE_CLASS(oc); InterruptStatsProviderClass *ispc =3D INTERRUPT_STATS_PROVIDER_CLASS(o= c); + NMIClass *nc =3D NMI_CLASS(oc); =20 mc->desc =3D "IBM PowerNV (Non-Virtualized)"; mc->init =3D pnv_init; @@ -1975,6 +2002,7 @@ static void pnv_machine_class_init(ObjectClass *oc, v= oid *data) mc->default_ram_size =3D INITRD_LOAD_ADDR + INITRD_MAX_SIZE; mc->default_ram_id =3D "pnv.ram"; ispc->print_info =3D pnv_pic_print_info; + nc->nmi_monitor_handler =3D pnv_nmi; =20 object_class_property_add_bool(oc, "hb-mode", pnv_machine_get_hb, pnv_machine_set_hb, @@ -2038,7 +2066,7 @@ static const TypeInfo types[] =3D { .class_size =3D sizeof(PnvMachineClass), .interfaces =3D (InterfaceInfo[]) { { TYPE_INTERRUPT_STATS_PROVIDER }, - { }, + { TYPE_NMI }, }, }, { --=20 2.23.0 From nobody Thu Apr 25 23:45:48 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.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; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1585147445; cv=none; d=zohomail.com; s=zohoarc; b=HEiAFG3fDZnvcyQRfG27LtkpXrkSeGz2OzZGCz0P8I556BIw1ma3c+CeSqC+xz+49kwD/nxS+ZpAU0E5aA2qZQi/prj2N+XHKrtBNrrNVor/M51O1/uB5wVs4mY9VFITvL5RY97Nh6l7Y5rhF84t2KJ7HBOlCFH76YZC3fppiTQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1585147445; h=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; bh=WKYOGG0g9s481Vm+dxBUu5LtOyPszMxI1/G7LP+9Ut4=; b=K38P6bHy5G4ToZBUpkVY+ADolHiGGyZSizxvelvCAit/GD4lqRIFKer+1aSYA7YP3lB3f3YBbHIy0d5ENYC5a/kMn8d0cB99mHvShCuSqcL8rDS6OSE8+/eXCPtFGsQCj/j4Z2UzR06eFPzt2roV6oi9o+aJF2fxMsHfLVHuSxI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1585147445410267.8304729457258; Wed, 25 Mar 2020 07:44:05 -0700 (PDT) Received: from localhost ([::1]:37354 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jH7GG-0005qp-4s for importer@patchew.org; Wed, 25 Mar 2020 10:44:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37097) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jH7F7-00041f-Pl for qemu-devel@nongnu.org; Wed, 25 Mar 2020 10:42:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jH7F6-0005ed-Aj for qemu-devel@nongnu.org; Wed, 25 Mar 2020 10:42:53 -0400 Received: from mail-pg1-x52c.google.com ([2607:f8b0:4864:20::52c]:42676) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jH7F3-0005bp-8e; Wed, 25 Mar 2020 10:42:49 -0400 Received: by mail-pg1-x52c.google.com with SMTP id h8so1230972pgs.9; Wed, 25 Mar 2020 07:42:49 -0700 (PDT) Received: from bobo.ibm.com (14-202-190-183.tpgi.com.au. [14.202.190.183]) by smtp.gmail.com with ESMTPSA id 93sm4609599pjo.43.2020.03.25.07.42.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Mar 2020 07:42:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=WKYOGG0g9s481Vm+dxBUu5LtOyPszMxI1/G7LP+9Ut4=; b=XFM5Y+LdZSJf1fyJHzHaYC4KPs45aN1EYpypio/bBbiz/n4uGllxriKLqdCNtfKlb0 1/sOh6mCHxdxO0urXnusWoVqXdAwgGyXTQTYG3mbbCDQgyfRsv/Uky5NhnHBlQNWrlof kNzQJ7YrYO07N0tz9zML9axbcg5mTwny9kYJHCvhVwtEfZppsw5BTiTpVpkjmcpVQlUm OALoejT2EJrrVRZ8NZ4ZK9+Oy5zZJQ7QEnLQiuOC27arv7AfuKSv+k2EzVbpT2Aqa7Ym XTYtdno8arx99PvyEsgR0z2c1punlhJI8xD1cRnR02EfQ5XA0yTpVBzeoTPnsOZPkOye Eb0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=WKYOGG0g9s481Vm+dxBUu5LtOyPszMxI1/G7LP+9Ut4=; b=U65kPHmUGxgJqiIE5iepujDy59LJxaEynyALhvCfH8deI4L1sYiHl9GiK7FKea6Lwk 3Pe0ordizwirnPNn/rzcMWY5NVFGBc7I4FLcrSn3Lfcd/gUYGpdINZ9S5414p/WJMSwP oOL/+dgYdalPiFVQZtdX0ZFDvqga27DBvkzb7vlMzRniwQUaML6myO12fGyBScPFKxXI EV4dcCS59UNq1I5XZ639D0/wFbtqmCHucsUMwy0tRRecwmYD1Car6WOuWOZZlEokVK3d Asse1cZV47710B5XDNtayS0qPVhB87XY94lLVoPjrxRQ3u09pt6Pxbs7FmenlBWs6s5F QN8Q== X-Gm-Message-State: ANhLgQ2hOHFFznhewDGXLmIU0LL30hBng5OpPpvEu8UfN/KYDsrRE8Df oYP/DJAoSFUvli6KxEngVzGF5el7 X-Google-Smtp-Source: ADFU+vuwJ60gCy3xAzXdh0hle4Cjf/kHhSwoM17PGT+Hnf2LoDXKtGmm/y1xK6LmySTBtL1jcnwJ0g== X-Received: by 2002:a63:794d:: with SMTP id u74mr3491417pgc.15.1585147367982; Wed, 25 Mar 2020 07:42:47 -0700 (PDT) From: Nicholas Piggin To: qemu-ppc@nongnu.org Subject: [PATCH 3/5] nmi: add MCE class for implementing machine check injection commands Date: Thu, 26 Mar 2020 00:41:45 +1000 Message-Id: <20200325144147.221875-4-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200325144147.221875-1-npiggin@gmail.com> References: <20200325144147.221875-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::52c 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: Alexey Kardashevskiy , Mahesh Salgaonkar , qemu-devel@nongnu.org, Nicholas Piggin , Greg Kurz , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Ganesh Goudar , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Like commit 9cb805fd26 ("cpus: Define callback for QEMU "nmi" command") this implements a machine check injection command framework and defines a monitor command for ppc. Signed-off-by: Nicholas Piggin Reviewed-by: C=C3=A9dric Le Goater Tested-by: C=C3=A9dric Le Goater --- hmp-commands.hx | 20 +++++++++++- hw/core/nmi.c | 61 ++++++++++++++++++++++++++++++++++++ include/hw/nmi.h | 20 ++++++++++++ include/monitor/hmp-target.h | 1 - include/monitor/hmp.h | 1 + monitor/hmp-cmds.c | 1 + target/ppc/monitor.c | 11 +++++++ 7 files changed, 113 insertions(+), 2 deletions(-) diff --git a/hmp-commands.hx b/hmp-commands.hx index 7f0f3974ad..4a9089b431 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1581,12 +1581,30 @@ ERST .cmd =3D hmp_mce, }, =20 -#endif SRST ``mce`` *cpu* *bank* *status* *mcgstatus* *addr* *misc* Inject an MCE on the given CPU (x86 only). ERST =20 +#endif + +#if defined(TARGET_PPC) + + { + .name =3D "mce", + .args_type =3D "cpu_index:i,srr1_mask:l,dsisr:i,dar:l,recovered:i= ", + .params =3D "cpu srr1_mask dsisr dar recovered", + .help =3D "inject a MCE on the given CPU", + .cmd =3D hmp_mce, + }, + +SRST +``mce`` *cpu* *srr1_mask* *dsisr* *dar* *recovered* + Inject an MCE on the given CPU (PPC only). +ERST + +#endif + { .name =3D "getfd", .args_type =3D "fdname:s", diff --git a/hw/core/nmi.c b/hw/core/nmi.c index 481c4b3c7e..2a79500967 100644 --- a/hw/core/nmi.c +++ b/hw/core/nmi.c @@ -86,3 +86,64 @@ static void nmi_register_types(void) } =20 type_init(nmi_register_types) + +struct do_mce_s { + const QDict *qdict; + Error *err; + bool handled; +}; + +static void mce_children(Object *o, struct do_mce_s *ns); + +static int do_mce(Object *o, void *opaque) +{ + struct do_mce_s *ms =3D opaque; + MCEState *m =3D (MCEState *) object_dynamic_cast(o, TYPE_MCE); + + if (m) { + MCEClass *mc =3D MCE_GET_CLASS(m); + + ms->handled =3D true; + mc->mce_monitor_handler(m, ms->qdict, &ms->err); + if (ms->err) { + return -1; + } + } + mce_children(o, ms); + + return 0; +} + +static void mce_children(Object *o, struct do_mce_s *ms) +{ + object_child_foreach(o, do_mce, ms); +} + +void mce_monitor_handle(const QDict *qdict, Error **errp) +{ + struct do_mce_s ms =3D { + .qdict =3D qdict, + .err =3D NULL, + .handled =3D false + }; + + mce_children(object_get_root(), &ms); + if (ms.handled) { + error_propagate(errp, ms.err); + } else { + error_setg(errp, QERR_UNSUPPORTED); + } +} + +static const TypeInfo mce_info =3D { + .name =3D TYPE_MCE, + .parent =3D TYPE_INTERFACE, + .class_size =3D sizeof(MCEClass), +}; + +static void mce_register_types(void) +{ + type_register_static(&mce_info); +} + +type_init(mce_register_types) diff --git a/include/hw/nmi.h b/include/hw/nmi.h index fe37ce3ad8..de39d95c9a 100644 --- a/include/hw/nmi.h +++ b/include/hw/nmi.h @@ -43,4 +43,24 @@ typedef struct NMIClass { =20 void nmi_monitor_handle(int cpu_index, Error **errp); =20 + +#define TYPE_MCE "mce" + +#define MCE_CLASS(klass) \ + OBJECT_CLASS_CHECK(MCEClass, (klass), TYPE_MCE) +#define MCE_GET_CLASS(obj) \ + OBJECT_GET_CLASS(MCEClass, (obj), TYPE_MCE) +#define MCE(obj) \ + INTERFACE_CHECK(MCEState, (obj), TYPE_MCE) + +typedef struct MCEState MCEState; + +typedef struct MCEClass { + InterfaceClass parent_class; + + void (*mce_monitor_handler)(MCEState *n, const QDict *qdict, Error **e= rrp); +} MCEClass; + +void mce_monitor_handle(const QDict *qdict, Error **errp); + #endif /* NMI_H */ diff --git a/include/monitor/hmp-target.h b/include/monitor/hmp-target.h index 8b7820a3ad..afb8f5bca2 100644 --- a/include/monitor/hmp-target.h +++ b/include/monitor/hmp-target.h @@ -45,7 +45,6 @@ CPUState *mon_get_cpu(void); =20 void hmp_info_mem(Monitor *mon, const QDict *qdict); void hmp_info_tlb(Monitor *mon, const QDict *qdict); -void hmp_mce(Monitor *mon, const QDict *qdict); void hmp_info_local_apic(Monitor *mon, const QDict *qdict); void hmp_info_io_apic(Monitor *mon, const QDict *qdict); =20 diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index e33ca5a911..f747a5e214 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -54,6 +54,7 @@ void hmp_ringbuf_read(Monitor *mon, const QDict *qdict); void hmp_cont(Monitor *mon, const QDict *qdict); void hmp_system_wakeup(Monitor *mon, const QDict *qdict); void hmp_nmi(Monitor *mon, const QDict *qdict); +void hmp_mce(Monitor *mon, const QDict *qdict); void hmp_set_link(Monitor *mon, const QDict *qdict); void hmp_balloon(Monitor *mon, const QDict *qdict); void hmp_loadvm(Monitor *mon, const QDict *qdict); diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 58724031ea..3664ef2a4f 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -52,6 +52,7 @@ #include "exec/ramlist.h" #include "hw/intc/intc.h" #include "hw/rdma/rdma.h" +#include "hw/nmi.h" #include "migration/snapshot.h" #include "migration/misc.h" =20 diff --git a/target/ppc/monitor.c b/target/ppc/monitor.c index a5a177d717..6daf543efc 100644 --- a/target/ppc/monitor.c +++ b/target/ppc/monitor.c @@ -28,6 +28,8 @@ #include "qemu/ctype.h" #include "monitor/hmp-target.h" #include "monitor/hmp.h" +#include "qapi/qmp/qdict.h" +#include "hw/nmi.h" =20 static target_long monitor_get_ccr(const struct MonitorDef *md, int val) { @@ -72,6 +74,15 @@ void hmp_info_tlb(Monitor *mon, const QDict *qdict) dump_mmu(env1); } =20 +void hmp_mce(Monitor *mon, const QDict *qdict) +{ + Error *err =3D NULL; + + mce_monitor_handle(qdict, &err); + + hmp_handle_error(mon, err); +} + const MonitorDef monitor_defs[] =3D { { "fpscr", offsetof(CPUPPCState, fpscr) }, /* Next instruction pointer */ --=20 2.23.0 From nobody Thu Apr 25 23:45:48 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.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; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1585147553; cv=none; d=zohomail.com; s=zohoarc; b=NyMMzTTbKtjpvxiHc42Pid/rxa9AwIRTnLRdv2qJqjvyF4PyAkXY+ATG6FpnRRlK/Zicg9oSw+zbcekNsXxa1CqmeHZaZXnXafTFQhzWUznQreN4kM6Bw/3EhGmRD9k6IOWd762eYGCCfqplb2F9ZLUaJ2pStXFQgzAm6nb7/1E= ARC-Message-Signature: i=1; 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[14.202.190.183]) by smtp.gmail.com with ESMTPSA id 93sm4609599pjo.43.2020.03.25.07.42.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Mar 2020 07:42:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=m/ATHVgK+NJbwaXqtEE7x40Es4AHu63qi4TjELVQJaI=; b=uHjrQk2hO1TNR3Dkzn8Z0JDljurmfo1+CFnRagNIMdqQLssp/oDzaiw0T1NloqsAbJ 6rFC90qoHPCpVwPL741NxKoTWkEdRklvu3XRmfiKYRxb0zCp0Off+/e7jTA4ZaHNEn90 HJHJQ9lcs+PRQCP9kImjGjXPhlqTg9VRoqr4Gw0B7Xa5ynpzRp7e0vht++vEmtfU/qAI exSVNROHa87XEb9vB2yF3ottvYRnORGpALQbQm+ZpuyJSbuzxX1LR5dJqsIZ7YLdaZ4d Dst4UibEAL6n0+W3xEkMfqN6MMnUL211pzz3J9lQCtaGL6/nGqIknulA7DJqIJRtIxOg gFcw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=m/ATHVgK+NJbwaXqtEE7x40Es4AHu63qi4TjELVQJaI=; b=KqFZslsKaz/M1dlQrv6ntW/DejWzD5AdFGKLb0XP1eqxDSkqzHDOKhb69PMKYDSszQ Y69ao+pWsxTg1dwaVkoeymbaiR18W4Swo6DqHfO9QgrUHBNTS5azoqC6qXUeu43ZmE3D EOQSjor9sgFMMA+GkCkXL5uyclfxrmUlR19BmS2bDhMN9HJ8lJrmnTcVDzWOQEHx3TT6 gy4OopxijuUsAATZykP9CLhl0haIKk4xDETMqnSjFV3c4FVgENP9YD9oJvspDuJmT0W0 KXSYWcg3b0VInl8aILl+hGR/xI0+GcIrtjVPhUD3gGWSls6UCWxxGgs3iw8DMZyZUM13 YNnQ== X-Gm-Message-State: ANhLgQ0lWn2Lbjua5k/0y1mkZS+kkbXEFw4g9dfrG1632h0xnZza7/0k 0Cqu1xmhowbpfnF9xUwNL72M64T+ X-Google-Smtp-Source: ADFU+vvvjh50dC2dY4U4dhMcs8B6iIY3TTrezCVgrCX1jWJ1UXPbn+eg6C24WVVmu5fSRp14TlWHvg== X-Received: by 2002:a62:194c:: with SMTP id 73mr3774067pfz.159.1585147372620; Wed, 25 Mar 2020 07:42:52 -0700 (PDT) From: Nicholas Piggin To: qemu-ppc@nongnu.org Subject: [PATCH 4/5] ppc/spapr: Implement mce injection Date: Thu, 26 Mar 2020 00:41:46 +1000 Message-Id: <20200325144147.221875-5-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200325144147.221875-1-npiggin@gmail.com> References: <20200325144147.221875-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::543 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: Alexey Kardashevskiy , Mahesh Salgaonkar , qemu-devel@nongnu.org, Nicholas Piggin , Greg Kurz , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Ganesh Goudar , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This implements mce injection for spapr. (qemu) mce 0 0x200000 0x80 0xdeadbeef 1 Disabling lock debugging due to kernel taint MCE: CPU0: machine check (Severe) Host SLB Multihit DAR: 00000000deadbe= ef [Recovered] MCE: CPU0: machine check (Severe) Host SLB Multihit [Recovered] MCE: CPU0: PID: 495 Comm: a NIP: [0000000130ee07c8] MCE: CPU0: Initiator CPU MCE: CPU0: Unknown [ 71.567193] MCE: CPU0: NIP: [c0000000000d7f6c] plpar_hcall_norets+0x1c/0= x28 [ 71.567249] MCE: CPU0: Initiator CPU [ 71.567308] MCE: CPU0: Unknown Signed-off-by: Nicholas Piggin Reviewed-by: C=C3=A9dric Le Goater --- hw/ppc/spapr.c | 54 ++++++++++++++++++++++++++++++++++++++++++ include/hw/ppc/spapr.h | 3 +++ 2 files changed, 57 insertions(+) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 785c41d205..6dbd1858f4 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -83,6 +83,7 @@ #include "hw/ppc/spapr_nvdimm.h" =20 #include "monitor/monitor.h" +#include "qapi/qmp/qdict.h" =20 #include =20 @@ -3420,6 +3421,56 @@ static void spapr_nmi(NMIState *n, int cpu_index, Er= ror **errp) } } =20 +typedef struct MCEInjectionParams { + uint64_t srr1_mask; + uint32_t dsisr; + uint64_t dar; + bool recovered; +} MCEInjectionParams; + +static void spapr_do_mce_on_cpu(CPUState *cs, run_on_cpu_data data) +{ + MCEInjectionParams *params =3D data.host_ptr; + PowerPCCPU *cpu =3D POWERPC_CPU(cs); + CPUPPCState *env =3D &cpu->env; + uint64_t srr1_mce_bits =3D PPC_BITMASK(42, 45) | PPC_BIT(36); + + cpu_synchronize_state(cs); + + env->spr[SPR_SRR0] =3D env->nip; + env->spr[SPR_SRR1] =3D (env->msr & ~srr1_mce_bits) | + (params->srr1_mask & srr1_mce_bits); + if (params->dsisr) { + env->spr[SPR_DSISR] =3D params->dsisr; + env->spr[SPR_DAR] =3D params->dar; + } + + spapr_mce_req_event(cpu, params->recovered); +} + +static void spapr_mce(MCEState *m, const QDict *qdict, Error **errp) +{ + int cpu_index =3D qdict_get_int(qdict, "cpu_index"); + uint64_t srr1_mask =3D qdict_get_int(qdict, "srr1_mask"); + uint32_t dsisr =3D qdict_get_int(qdict, "dsisr"); + uint64_t dar =3D qdict_get_int(qdict, "dar"); + bool recovered =3D qdict_get_int(qdict, "recovered"); + CPUState *cs; + + cs =3D qemu_get_cpu(cpu_index); + + if (cs !=3D NULL) { + MCEInjectionParams params =3D { + .srr1_mask =3D srr1_mask, + .dsisr =3D dsisr, + .dar =3D dar, + .recovered =3D recovered, + }; + + run_on_cpu(cs, spapr_do_mce_on_cpu, RUN_ON_CPU_HOST_PTR(¶ms)); + } +} + int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, void *fdt, int *fdt_start_offset, Error **errp) { @@ -4467,6 +4518,7 @@ static void spapr_machine_class_init(ObjectClass *oc,= void *data) SpaprMachineClass *smc =3D SPAPR_MACHINE_CLASS(oc); FWPathProviderClass *fwc =3D FW_PATH_PROVIDER_CLASS(oc); NMIClass *nc =3D NMI_CLASS(oc); + MCEClass *mcec =3D MCE_CLASS(oc); HotplugHandlerClass *hc =3D HOTPLUG_HANDLER_CLASS(oc); PPCVirtualHypervisorClass *vhc =3D PPC_VIRTUAL_HYPERVISOR_CLASS(oc); XICSFabricClass *xic =3D XICS_FABRIC_CLASS(oc); @@ -4511,6 +4563,7 @@ static void spapr_machine_class_init(ObjectClass *oc,= void *data) smc->resize_hpt_default =3D SPAPR_RESIZE_HPT_ENABLED; fwc->get_dev_path =3D spapr_get_fw_dev_path; nc->nmi_monitor_handler =3D spapr_nmi; + mcec->mce_monitor_handler =3D spapr_mce; smc->phb_placement =3D spapr_phb_placement; vhc->hypercall =3D emulate_spapr_hypercall; vhc->hpt_mask =3D spapr_hpt_mask; @@ -4566,6 +4619,7 @@ static const TypeInfo spapr_machine_info =3D { .interfaces =3D (InterfaceInfo[]) { { TYPE_FW_PATH_PROVIDER }, { TYPE_NMI }, + { TYPE_MCE }, { TYPE_HOTPLUG_HANDLER }, { TYPE_PPC_VIRTUAL_HYPERVISOR }, { TYPE_XICS_FABRIC }, diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 42d64a0368..72f86a2ee8 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -929,4 +929,7 @@ void spapr_check_pagesize(SpaprMachineState *spapr, hwa= ddr pagesize, =20 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask); hwaddr spapr_get_rtas_addr(void); + +void spapr_mce_inject(CPUState *cs, uint64_t srr1_mask, uint32_t dsisr, + uint64_t dar, bool recovered); #endif /* HW_SPAPR_H */ --=20 2.23.0 From nobody Thu Apr 25 23:45:48 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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[14.202.190.183]) by smtp.gmail.com with ESMTPSA id 93sm4609599pjo.43.2020.03.25.07.42.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Mar 2020 07:42:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=xC2tnZoYkPikXWD+v0w7eZk0ARUbcYtItYPE5B/2aAQ=; b=qtaq9j1Lw+OUiIlYicY9WZc6xNxehVyAVbP1vzBN77WJFIxqZK8qikx/4KekDdUTbt 5oDpuYr1KJ6/VPiRtN2bjlv+qVzi+qx9cJOi/LETi9cP21MxxWhFEgyVImCVGjdRMxzi J5Wm+80liTnoGhnTy1NqaAnG3rcLPoKSu1gnCC/tkpbnAis7j7yPQIV5qhjznyWlBn7P 7keVcoJTjT+MPk/1LZBuWyJ5pwqzVlr132YRRaEFvOJ7zyHqje0yh1UvYLus0aWP4fiW uEUG0eDIE8BxOYnVp8HmZs99kIUEzPGgyQRVLxSxicTsGdQSgT/opLGzO38rM82jpNfv Apvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=xC2tnZoYkPikXWD+v0w7eZk0ARUbcYtItYPE5B/2aAQ=; b=gnC5rOB8Wy4QWMoxdryXK1y/tGqswRe+Dn2W2291TwdkGsNWlZ3aBJExgUdjDZYOJG YwSmx8zOZQoTyuTGhhVMLpLdVBi8Krv1p4ah7dkora2unvx2Z/J4oCvK6gk8MMxNXpl0 NFWJErIOP8HJy5a1EWk7YuL5DscAq2WgcB666aqDHzoYxJXgtap8ZvAqD7d7ISZtVACo z2iDBrUuwNUq5pZqGqYC6wq3QfzG68qGW/g54tFAG0jIcV7vrwB/MN/Sn1x+PScvbab2 gupRaqLlkNiGTE3/Y5koc94hbWGe0zWg5E8Dl/uslY3tesItixWMaOLAz1TltLABOcUa GTyg== X-Gm-Message-State: ANhLgQ2RM/7SjI7Tt1tPqm2Ppgm2hPzc05mOXIXBEexK53q8IjrT07v5 oDH5wogAktGNiI/nn2dcpQK5PWvQ X-Google-Smtp-Source: ADFU+vtosPx/t1qphpGti1wKykuCE6+FvkOVxZWKwS6BkpdxMc0LzSktC7viVQzjeuVLdKZPg0EOTg== X-Received: by 2002:a17:90a:9f88:: with SMTP id o8mr4066521pjp.145.1585147377196; Wed, 25 Mar 2020 07:42:57 -0700 (PDT) From: Nicholas Piggin To: qemu-ppc@nongnu.org Subject: [PATCH 5/5] ppc/pnv: Implement mce injection Date: Thu, 26 Mar 2020 00:41:47 +1000 Message-Id: <20200325144147.221875-6-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200325144147.221875-1-npiggin@gmail.com> References: <20200325144147.221875-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::644 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: Alexey Kardashevskiy , Mahesh Salgaonkar , qemu-devel@nongnu.org, Nicholas Piggin , Greg Kurz , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Ganesh Goudar , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This implements mce injection for pnv. Signed-off-by: Nicholas Piggin --- hw/ppc/pnv.c | 55 ++++++++++++++++++++++++++++++++++++++++ target/ppc/cpu.h | 1 + target/ppc/excp_helper.c | 12 +++++++++ 3 files changed, 68 insertions(+) diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 671535ebe6..9c515bfeed 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -38,6 +38,7 @@ #include "hw/nmi.h" #include "exec/address-spaces.h" #include "qapi/visitor.h" +#include "qapi/qmp/qdict.h" #include "monitor/monitor.h" #include "hw/intc/intc.h" #include "hw/ipmi/ipmi.h" @@ -1981,11 +1982,63 @@ static void pnv_nmi(NMIState *n, int cpu_index, Err= or **errp) } } =20 +typedef struct MCEInjectionParams { + uint64_t srr1_mask; + uint32_t dsisr; + uint64_t dar; + bool recovered; +} MCEInjectionParams; + +static void pnv_do_mce_on_cpu(CPUState *cs, run_on_cpu_data data) +{ + MCEInjectionParams *params =3D data.host_ptr; + PowerPCCPU *cpu =3D POWERPC_CPU(cs); + CPUPPCState *env =3D &cpu->env; + uint64_t srr1_mce_bits =3D PPC_BITMASK(42, 45) | PPC_BIT(36); + + cpu_synchronize_state(cs); + ppc_cpu_do_machine_check(cs); + + env->spr[SPR_SRR1] |=3D (params->srr1_mask & srr1_mce_bits); + if (params->dsisr) { + env->spr[SPR_DSISR] =3D params->dsisr; + env->spr[SPR_DAR] =3D params->dar; + } + + if (!params->recovered) { + env->msr &=3D ~MSR_RI; + } +} + +static void pnv_mce(MCEState *m, const QDict *qdict, Error **errp) +{ + int cpu_index =3D qdict_get_int(qdict, "cpu_index"); + uint64_t srr1_mask =3D qdict_get_int(qdict, "srr1_mask"); + uint32_t dsisr =3D qdict_get_int(qdict, "dsisr"); + uint64_t dar =3D qdict_get_int(qdict, "dar"); + bool recovered =3D qdict_get_int(qdict, "recovered"); + CPUState *cs; + + cs =3D qemu_get_cpu(cpu_index); + + if (cs !=3D NULL) { + MCEInjectionParams params =3D { + .srr1_mask =3D srr1_mask, + .dsisr =3D dsisr, + .dar =3D dar, + .recovered =3D recovered, + }; + + run_on_cpu(cs, pnv_do_mce_on_cpu, RUN_ON_CPU_HOST_PTR(¶ms)); + } +} + static void pnv_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc =3D MACHINE_CLASS(oc); InterruptStatsProviderClass *ispc =3D INTERRUPT_STATS_PROVIDER_CLASS(o= c); NMIClass *nc =3D NMI_CLASS(oc); + MCEClass *mcec =3D MCE_CLASS(oc); =20 mc->desc =3D "IBM PowerNV (Non-Virtualized)"; mc->init =3D pnv_init; @@ -2003,6 +2056,7 @@ static void pnv_machine_class_init(ObjectClass *oc, v= oid *data) mc->default_ram_id =3D "pnv.ram"; ispc->print_info =3D pnv_pic_print_info; nc->nmi_monitor_handler =3D pnv_nmi; + mcec->mce_monitor_handler =3D pnv_mce; =20 object_class_property_add_bool(oc, "hb-mode", pnv_machine_get_hb, pnv_machine_set_hb, @@ -2067,6 +2121,7 @@ static const TypeInfo types[] =3D { .interfaces =3D (InterfaceInfo[]) { { TYPE_INTERRUPT_STATS_PROVIDER }, { TYPE_NMI }, + { TYPE_MCE }, }, }, { diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index f4a5304d43..9be27f59c5 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1221,6 +1221,7 @@ int ppc32_cpu_write_elf32_note(WriteCoreDumpFunction = f, CPUState *cs, int cpuid, void *opaque); #ifndef CONFIG_USER_ONLY void ppc_cpu_do_system_reset(CPUState *cs); +void ppc_cpu_do_machine_check(CPUState *cs); void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector); extern const VMStateDescription vmstate_ppc_cpu; #endif diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 7f2b5899d3..81dd8b6f8e 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -279,6 +279,10 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int e= xcp_model, int excp) cs->halted =3D 1; cpu_interrupt_exittb(cs); } + if (msr_pow) { + /* indicate that we resumed from power save mode */ + msr |=3D 0x10000; + } if (env->msr_mask & MSR_HVB) { /* * ISA specifies HV, but can be delivered to guest with HV @@ -969,6 +973,14 @@ void ppc_cpu_do_system_reset(CPUState *cs) powerpc_excp(cpu, env->excp_model, POWERPC_EXCP_RESET); } =20 +void ppc_cpu_do_machine_check(CPUState *cs) +{ + PowerPCCPU *cpu =3D POWERPC_CPU(cs); + CPUPPCState *env =3D &cpu->env; + + powerpc_excp(cpu, env->excp_model, POWERPC_EXCP_MCHECK); +} + void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector) { PowerPCCPU *cpu =3D POWERPC_CPU(cs); --=20 2.23.0