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[93.143.80.194]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-486f420de8asm56471095e9.3.2026.03.18.03.47.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Mar 2026 03:47:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773830827; x=1774435627; 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=RXbm6LZc46i8z/YUVSg+0qi3TRX5Dk3YHcYXiwqEKZc=; b=aRWPH/SL1bZzMeqyPSW4wr70fLn6HSOw82IstzcKCR5whYnieMiMZgTOqBRaECbgB4 JuWP1+u2ldiVUPwG8eN6v3Vl+GpI+vsqE7CerEEcno2NglDtnN0qMMdp+Mto6GTnRomI cd/kv/PjwQdLQa6iBrNUjOX/pS9fDGY7azZXXUX4y9RaW7iUtvqepknecLln4z28kvFt NdzFzXG1YFh5tAm7AgI/6NHmKE9os7scGCrQ2fFdFp9oe3z12PW7YRd9bdD+kOLHlfag +mRFqsbImRvjDnhSNlojqoDAmlKiSp1e5aRyFVrRM5Zq5vwZ6ThYghhmujUFl09kTo9W FLgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773830827; x=1774435627; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=RXbm6LZc46i8z/YUVSg+0qi3TRX5Dk3YHcYXiwqEKZc=; b=ml0pEW5oj0qBx9zy4/xkzAAwitzXypABU6QsLJXY6zrXRClP0J351QPqHee3BDNq8K bXOueJDFaC6WSGzXw/b8xjnVi7CeTg8CNMoBTtBydtg1YukkuGNj7PwcUjqB2pXUlLzm IwATLXUqxxK2m/B91Gji6HZUejWQCufSB3qDNB8IAUsvmjDiyJLipdp8d5gfPOB3n85x nCIcyfSZyXmxlpoB4RnRT1asD4GUUbCOwhYSQI73xo4tl3UDhQkOMqeZxt42ZtmZxW6b MPs6tGlFMYUXQsPYnj9RuahzqCQMDpe5ZQtAZPjnS0/5lOgLz5QBfrLK2pvnez95YxkF 7uHA== X-Gm-Message-State: AOJu0Yw76RSLqZA09k6lhQ5Sj1FJeUIqvmAhzQs/SNYwcEqylWvzT2ad eU69TJuphVokLxF26FR6KFWjEdxRShqIm16rcvSbGsXDSUyeTy3+ekSEQTBJn0gd X-Gm-Gg: ATEYQzzM8vivtw1WaIfV11W//pnmfQ4nZ4q2FotspG5JcY871aUaVdYAduYY/51E3E2 CTBkvh/pKw93g9/5+v89cMzHLs+rsOAp4f/nDTkZgkOrDFcj7tC8dMt/p+kRd591SD6vpz7sc6V ZYPnLgkG6IrXfpPHPLM2tvlLyvr8kFDa65wDbeh2YErYyNEr0DVTwOq8mI/7y4G3ql/opV8BeKV yc2lbT36hgRSt8QNJN2ZaRTsgaMPyJek0whlbbTAHc8v/APaIO9KtYaV3q0ucRgGO80M2Ltbh1I Cx4n8iZ30O3Xbz7A6tNhXOvNm68hvJUGFnffOcwdgotWWb0x9SPIOk6jLQbO2XSTCeby2Oqz1d5 cN5JgvKnvC9V26M3+xGK+pzLAR0FTg0VR3HQvWCOdmEDujPGQy5sh6Hc26zhl3XbBWNEZaGuDdy 5r6oXiaymHUUE1I4WeHj3ny2t73HRg6bz5wWsxyinrBXVt76+U5AxbJzb/aDyzk4rMEz1QxUio6 Xne X-Received: by 2002:a05:600c:314c:b0:485:3989:b3e4 with SMTP id 5b1f17b1804b1-486f40ab752mr45145435e9.6.1773830827346; Wed, 18 Mar 2026 03:47:07 -0700 (PDT) From: Ruslan Ruslichenko To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, artem_mygaiev@epam.com, volodymyr_babchuk@epam.com, alex.bennee@linaro.org, peter.maydell@linaro.org, pierrick.bouvier@linaro.org, philmd@linaro.org, Ruslan_Ruslichenko@epam.com Subject: [RFC PATCH 7/9] hw/arm/smmuv3: Add plugin fault handler for CMDQ errors Date: Wed, 18 Mar 2026 11:46:38 +0100 Message-ID: <20260318104640.239752-8-ruslichenko.r@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260318104640.239752-1-ruslichenko.r@gmail.com> References: <20260318104640.239752-1-ruslichenko.r@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=2a00:1450:4864:20::32e; envelope-from=ruslichenko.r@gmail.com; helo=mail-wm1-x32e.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 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1773830936672158500 Content-Type: text/plain; charset="utf-8" From: Ruslan Ruslichenko Register custom 'smmu_gerror_cmdq' handler within plugin subsystem. This enables external plugins to dynamically inject Command Queue errors and trigger GERROR interrupts. Signed-off-by: Ruslan Ruslichenko --- hw/arm/smmuv3.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index c08d58c579..e80b80e843 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -27,6 +27,8 @@ #include "hw/pci/pci.h" #include "cpu.h" #include "exec/target_page.h" +#include "qemu/plugin.h" +#include "qom/object.h" #include "trace.h" #include "qemu/log.h" #include "qemu/error-report.h" @@ -42,6 +44,55 @@ ((ptw_info).stage =3D=3D SMMU_STAG= E_2 && \ (cfg)->s2cfg.record_faults)) =20 +static void smmuv3_trigger_irq(SMMUv3State *s, SMMUIrq irq, + uint32_t gerror_mask); + +typedef struct { + uint64_t base_addr; + Object *found_obj; +} SMMUSearchArgs; + +static int smmu_match_addr_cb(Object *obj, void *opaque) +{ + SMMUSearchArgs *args =3D (SMMUSearchArgs *)opaque; + + if (object_dynamic_cast(obj, TYPE_ARM_SMMUV3)) { + SysBusDevice *sbd =3D SYS_BUS_DEVICE(obj); + + if (sbd->mmio[0].addr =3D=3D args->base_addr) { + args->found_obj =3D obj; + return 1; + } + } + + return 0; +} + +static void smmu_inject_gerror_cmdq(void *target_data, void *fault_data) +{ + uint64_t base_address =3D *(uint64_t *)target_data; + SMMUCmdError cmd_error =3D *(SMMUCmdError*)fault_data; + Object *obj =3D NULL; + + if (base_address) { + SMMUSearchArgs args =3D { .base_addr =3D base_address, .found_obj = =3D NULL }; + object_child_foreach_recursive(object_get_root(), smmu_match_addr_= cb, &args); + + obj =3D args.found_obj; + } else { + obj =3D object_resolve_path_type("", TYPE_ARM_SMMUV3, NULL); + } + + if (!obj) { + return; + } + + SMMUv3State *s =3D ARM_SMMUV3(obj); + + smmu_write_cmdq_err(s, cmd_error); + smmuv3_trigger_irq(s, SMMU_IRQ_GERROR, R_GERROR_CMDQ_ERR_MASK); +} + /** * smmuv3_trigger_irq - pulse @irq if enabled and update * GERROR register in case of GERROR interrupt @@ -2130,6 +2181,9 @@ static void smmuv3_class_init(ObjectClass *klass, con= st void *data) dc->hotpluggable =3D false; dc->user_creatable =3D true; =20 + plugin_register_custom_fault("smmu_gerror_cmdq", + smmu_inject_gerror_cmdq); + object_class_property_set_description(klass, "accel", "Enable SMMUv3 accelerator support. Allows host SMMUv3 to be " "configured in nested mode for vfio-pci dev assignment"); --=20 2.43.0