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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id i3-20020adffc03000000b0020616ee90dbsm11498849wrr.42.2022.04.08.07.16.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Apr 2022 07:16:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=7U8lMphTZ6OFXdG0z5y131mbCO64BRGqr3xnuXCy7z4=; b=HvWG8N1Y7hSsKO3Aiy6n2r3JXRn7452U1CYs+JweGMVHhalWTqG8L6iMBxeoef0NpR 5qxF3iXOXAs1KKIrzuYO912sfaHaYPe8QJh7GSJ1sTmwdFC6bKPsQlIFi+elJXU8fplf KcwNy4l/iaqup1N/DwfCM9+dHd1slx4ADHA3PsaYI8GvY+bxDhzvaPiN/GJFv6pqetZM 4guwxLuXMMtabh23gOxpb7+/u+PYFPySjusCqr9Av7vU0uUanUzexo3S4yoUWMC3v1l7 bDB3lz57HYIBplFVLPnSWyoR9akKL/qTfSInT5Y8cQSJHVO4WQ9SJcRgVueZKn+Z8kh6 Ax+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=7U8lMphTZ6OFXdG0z5y131mbCO64BRGqr3xnuXCy7z4=; b=3VhOg1K0bgy4LuWNIfazaVLYnKrwqFMW8wzHpKFBlrxDh2vcURCSWRjaITzna9X7/E PdiqfDxQoHHMjkIPqzpdPZvys7uERSVEDenUoVERGtntWFfggqEdPCT+vrYZA49wHZZO PEB19akhp7aECbzddB+nSKAmFoMYe4b6aeZ7Jgmz4JQ/yYjU4Ra64Q/2teRIJgqivMT1 Szl25yDRp81F5X4XDXTH6/uhFAtwOQUCdmivsOU0EbXPeTP73SnL4VdOGQYdkFk8K2mr gVU2Js/O24wc07FW6YQWPAjXRZA/UVvVd+gzDBQ1Eufmi780N6uUegobEQvJesvFgn2W J+UQ== X-Gm-Message-State: AOAM531Jcvr6kD/FFP5gOx8vGCQ9jsv11AuiGAvsl2uQ87DJeOz6FHEF 6TcSerwVfY9awCYuajyAYPiAYg== X-Google-Smtp-Source: ABdhPJzg4T5/eeVjO4INnnvrGnF4UqmmMN6I8MPosyPUKqMgvydu26mv2aLNPAVFBkpHOFftjk5HWw== X-Received: by 2002:a1c:7517:0:b0:38c:8722:9bc6 with SMTP id o23-20020a1c7517000000b0038c87229bc6mr17168967wmc.2.1649427369543; Fri, 08 Apr 2022 07:16:09 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 17/41] hw/intc/arm_gicv3_its: Implement VSYNC Date: Fri, 8 Apr 2022 15:15:26 +0100 Message-Id: <20220408141550.1271295-18-peter.maydell@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220408141550.1271295-1-peter.maydell@linaro.org> References: <20220408141550.1271295-1-peter.maydell@linaro.org> 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::32b; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32b.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, 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: , Cc: Marc Zyngier Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1649428355886100001 Content-Type: text/plain; charset="utf-8" The VSYNC command forces the ITS to synchronize all outstanding ITS operations for the specified vPEID, so that subsequent writse to GITS_TRANSLATER honour them. The QEMU implementation is always in sync, so for us this is a nop, like the existing SYNC command. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- hw/intc/gicv3_internal.h | 1 + hw/intc/arm_gicv3_its.c | 11 +++++++++++ hw/intc/trace-events | 1 + 3 files changed, 13 insertions(+) diff --git a/hw/intc/gicv3_internal.h b/hw/intc/gicv3_internal.h index c1467ce7263..ef1d75b3cf4 100644 --- a/hw/intc/gicv3_internal.h +++ b/hw/intc/gicv3_internal.h @@ -330,6 +330,7 @@ FIELD(GITS_TYPER, CIL, 36, 1) #define GITS_CMD_MOVALL 0x0E #define GITS_CMD_DISCARD 0x0F #define GITS_CMD_VMOVP 0x22 +#define GITS_CMD_VSYNC 0x25 #define GITS_CMD_VMAPP 0x29 #define GITS_CMD_VMAPTI 0x2A #define GITS_CMD_VMAPI 0x2B diff --git a/hw/intc/arm_gicv3_its.c b/hw/intc/arm_gicv3_its.c index bd82c84b46d..05d64630450 100644 --- a/hw/intc/arm_gicv3_its.c +++ b/hw/intc/arm_gicv3_its.c @@ -1165,6 +1165,17 @@ static void process_cmdq(GICv3ITSState *s) */ trace_gicv3_its_cmd_sync(); break; + case GITS_CMD_VSYNC: + /* + * VSYNC also is a nop, because our implementation is always + * in sync. + */ + if (!its_feature_virtual(s)) { + result =3D CMD_CONTINUE; + break; + } + trace_gicv3_its_cmd_vsync(); + break; case GITS_CMD_MAPD: result =3D process_mapd(s, cmdpkt); break; diff --git a/hw/intc/trace-events b/hw/intc/trace-events index a2dd1bdb6c3..b9efe14c690 100644 --- a/hw/intc/trace-events +++ b/hw/intc/trace-events @@ -191,6 +191,7 @@ gicv3_its_cmd_vmapi(uint32_t devid, uint32_t eventid, u= int32_t vpeid, uint32_t d gicv3_its_cmd_vmapti(uint32_t devid, uint32_t eventid, uint32_t vpeid, uin= t32_t vintid, uint32_t doorbell) "GICv3 ITS: command VMAPI DeviceID 0x%x Ev= entID 0x%x vPEID 0x%x vINTID 0x%x Dbell_pINTID 0x%x" gicv3_its_cmd_vmapp(uint32_t vpeid, uint64_t rdbase, int valid, uint64_t v= ptaddr, uint32_t vptsize) "GICv3 ITS: command VMAPP vPEID 0x%x RDbase 0x%" = PRIx64 " V %d VPT_addr 0x%" PRIx64 " VPT_size 0x%x" gicv3_its_cmd_vmovp(uint32_t vpeid, uint64_t rdbase) "GICv3 ITS: command V= MOVP vPEID 0x%x RDbase 0x%" PRIx64 +gicv3_its_cmd_vsync(void) "GICv3 ITS: command VSYNC" gicv3_its_cmd_unknown(unsigned cmd) "GICv3 ITS: unknown command 0x%x" gicv3_its_cte_read(uint32_t icid, int valid, uint32_t rdbase) "GICv3 ITS: = Collection Table read for ICID 0x%x: valid %d RDBase 0x%x" gicv3_its_cte_write(uint32_t icid, int valid, uint32_t rdbase) "GICv3 ITS:= Collection Table write for ICID 0x%x: valid %d RDBase 0x%x" --=20 2.25.1