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[124.171.76.150]) by smtp.gmail.com with ESMTPSA id la11-20020a170902fa0b00b001d4ac461a6fsm1484371plb.86.2024.01.18.06.35.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jan 2024 06:35:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1705588524; x=1706193324; 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=t2SiDlfSpv/xIYQQlc/t25+KSlNBDOqQls9PCpLJRNA=; b=A+lBC+BU13fQoEOpLRHACsgIZpHNNAzMYbIBW10P+WuOyn13kLud50xAh2+qGGSfsn +ElhvcZV1CSpVp1mhTkrO5j0Dpv0wYFM7DSS6yvgV1/ft/5yk4tu/2Pysc25K3WiD1xH 5sIugazGJtYEQCV322RfSYoX3vR9NqwMGB+mx4VC+oT5dNxN6dd1Yf6gGyDmtg4wnc+X S4a3wZDdzdDP0i4J2WRml4C/0+faKIjnyz8adNaabSSPMIzbjXWOI/yXQKB2vBa6uWYg Q3vGz06qljQfvoPllFpPIS/rQQ/utvIUhZDf1B05ZKBTqrSwiwBUGKlk0raeEn4xTKHK 2BZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705588524; x=1706193324; 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=t2SiDlfSpv/xIYQQlc/t25+KSlNBDOqQls9PCpLJRNA=; b=Rc33SyLoufwzUzKlfM17cqy+gH457fXOSXuTE3xy4ue8KmAUKXlTTAMjGDHDXcaUWt 4EJ2ET1/sI7z/PH0S3m0dleQ9ho0kVHLCZnzn9m5nqJkfP23WUZPfsmNMXAA6FufEBEf qyhTiyeYacSCnuFYUqU4FbfUNz1FlywUG7X5dIam3beUfbvVfWN4Ki6crT5GJPipIIWF JI+OoeYfWlF9C3Y9UBspADsWv1+RWzvr4JFGwxmBQwekO42izqrU51A5dy0qwwpIhhnY zjAbXFhhq+PLjq/dGASTZkR0s/T+FlIqg6lmuuK5uYm1YAVRx1eHu76hD7PLvzDIrC/H BzHg== X-Gm-Message-State: AOJu0YzBYUeGdZmLSsQIJNoAfaqZ2BlG9evcVI9TnTghDhfKhMFx8VUl AXcZSMV4NaQKRrts5K1hL/90BvVKljqaRxroGAw2oYFLvdo7I4bStU/1Gzl+ X-Google-Smtp-Source: AGHT+IGUHwIqQwWh7xFh9ZYKAGBsTXc+l2RNacUJU01jjfL1TTi/dyPYZ94h+X3ueiGMKwQ4ieNJXg== X-Received: by 2002:a17:903:1207:b0:1d4:e04b:3eea with SMTP id l7-20020a170903120700b001d4e04b3eeamr1116173plh.31.1705588523959; Thu, 18 Jan 2024 06:35:23 -0800 (PST) From: Nicholas Piggin To: qemu-ppc@nongnu.org Cc: Nicholas Piggin , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Barrat?= , Daniel Henrique Barboza , David Gibson , Harsh Prateek Bora , qemu-devel@nongnu.org Subject: [PATCH 4/4] ppc/pnv: Implement mce injection Date: Fri, 19 Jan 2024 00:34:59 +1000 Message-ID: <20240118143459.166994-5-npiggin@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240118143459.166994-1-npiggin@gmail.com> References: <20240118143459.166994-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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; Received-SPF: pass client-ip=2607:f8b0:4864:20::62d; envelope-from=npiggin@gmail.com; helo=mail-pl1-x62d.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, T_SCC_BODY_TEXT_LINE=-0.01 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1705588583943100006 Content-Type: text/plain; charset="utf-8" This implements mce injection for pnv. Signed-off-by: Nicholas Piggin --- target/ppc/cpu.h | 1 + hw/ppc/pnv.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index aa22523316..b046a12f8c 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1593,6 +1593,7 @@ void ppc_maybe_interrupt(CPUPPCState *env); void ppc_cpu_do_interrupt(CPUState *cpu); bool ppc_cpu_exec_interrupt(CPUState *cpu, int int_req); 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/hw/ppc/pnv.c b/hw/ppc/pnv.c index 427013fd60..2d18190aeb 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -38,6 +38,7 @@ #include "hw/loader.h" #include "hw/nmi.h" #include "qapi/visitor.h" +#include "qapi/qmp/qdict.h" #include "monitor/monitor.h" #include "hw/intc/intc.h" #include "hw/ipmi/ipmi.h" @@ -2461,11 +2462,63 @@ 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; @@ -2483,6 +2536,7 @@ 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); @@ -2549,6 +2603,7 @@ static const TypeInfo types[] =3D { .interfaces =3D (InterfaceInfo[]) { { TYPE_INTERRUPT_STATS_PROVIDER }, { TYPE_NMI }, + { TYPE_MCE }, { }, }, }, --=20 2.42.0