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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-427d2a8e420sm14059315e9.35.2024.07.18.06.20.32 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jul 2024 06:20:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1721308833; x=1721913633; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=7RaBXCOatE5DqPcmVv9n/BxPiIh3u0gJg6RupfAUz/Y=; b=Kk43L181VuZsiZo8pvVkUChCn6cNWdSvy7CgBhw6lgNcJQ9VXBik3JKgdhlpdOV4LH 1bK8rdbg7A+A79LfJDrvRIjzfO79AB1rfqaK+1U8AwUHCmrxH/bzBMHNJmpRIb+DYFEg 4zROykzcTCcDVNR0l8pGyCKrmj2X4LaU0UxJ6AjwM6yugjZyOluGJGefQNmcX5u9Atti fMJgHCz88PwuUHB9vGv8RtUEISeExuaLxNJve0A108R500MwD77w8o5z4okZgTDNyZYw Xe65kt/LDTI8Ckfrg6bYM1zS0v0Rpjc6Zd6BvxwEBGg5WxdO/Y3Y4rC0nZWyXE/fGm6A j0Cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721308833; x=1721913633; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=7RaBXCOatE5DqPcmVv9n/BxPiIh3u0gJg6RupfAUz/Y=; b=A46EYN4pwV2pHeEcugItIEpfXDIS6mzGTJBgf31bbzA7plzNbvQxuCwD587bJOU/eJ wYDhw6a16Di95CifMJBOgD+y6kVCFeyoLvjQyD2rNXQQ/Yzy3ytAQaSLqli+R6u+SzFn F7Eu+ZNlbnFet1SFvQYd7JeA7sCnPZvJ4zW+jUS6s4hNPt0+veFEFPBxLCvOivp16lpf ME7aukv0XdXVfsJL7MEJ5KIyuAO0XQuXxc+xQpVnKF6AvIp5DjKQQ231/pRclhyIcfwl ZqGxXn0S2rzQA8h4SMGiknYm3CkNw52ZZ446JKXl7rbK4ligG5nxggDdAfLs1ECHISPQ GM1w== X-Gm-Message-State: AOJu0YznSyX5ZyYZxACiCn/MuGbyNxYmeqyQ93Aqf+KSUPhOUPj8Wuac Z/kQwvnW3RRc+7tayWZ9NHwloGN/3xhX8r5S+p5qjiyBNb5iUbebpkb8CTgYJvxdXA5EHhhDNfO d X-Google-Smtp-Source: AGHT+IF095s4kL8Xk0D/LvYekwMlrugXWXpfrQRz9NQ4DLrk92WvMzfrt22TW6intW8K3ETk6/yd/g== X-Received: by 2002:adf:e9cb:0:b0:368:4489:8efb with SMTP id ffacd0b85a97d-368448990bamr2837952f8f.40.1721308833041; Thu, 18 Jul 2024 06:20:33 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 06/26] hw/arm/smmuv3: Fix encoding of CLASS in events Date: Thu, 18 Jul 2024 14:20:08 +0100 Message-Id: <20240718132028.697927-7-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240718132028.697927-1-peter.maydell@linaro.org> References: <20240718132028.697927-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x430.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 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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1721309026088116300 From: Mostafa Saleh The SMMUv3 spec (ARM IHI 0070 F.b - 7.3 Event records) defines the class of events faults as: CLASS: The class of the operation that caused the fault: - 0b00: CD, CD fetch. - 0b01: TTD, Stage 1 translation table fetch. - 0b10: IN, Input address However, this value was not set and left as 0 which means CD and not IN (0b10). Another problem was that stage-2 class is considered IN not TT for EABT, according to the spec: Translation of an IPA after successful stage 1 translation (or, in stage 2-only configuration, an input IPA) - S2 =3D=3D 1 (stage 2), CLASS =3D=3D IN (Input to stage) This would change soon when nested translations are supported. While at it, add an enum for class as it would be used for nesting. However, at the moment stage-1 and stage-2 use the same class values, except for EABT. Fixes: 9bde7f0674 =E2=80=9Chw/arm/smmuv3: Implement translate callback=E2= =80=9D Signed-off-by: Mostafa Saleh Reviewed-by: Jean-Philippe Brucker Reviewed-by: Eric Auger Message-id: 20240715084519.1189624-4-smostafa@google.com Signed-off-by: Peter Maydell --- hw/arm/smmuv3-internal.h | 6 ++++++ hw/arm/smmuv3.c | 8 +++++++- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/hw/arm/smmuv3-internal.h b/hw/arm/smmuv3-internal.h index e4dd11e1e62..0f3ecec804d 100644 --- a/hw/arm/smmuv3-internal.h +++ b/hw/arm/smmuv3-internal.h @@ -32,6 +32,12 @@ typedef enum SMMUTranslationStatus { SMMU_TRANS_SUCCESS, } SMMUTranslationStatus; =20 +typedef enum SMMUTranslationClass { + SMMU_CLASS_CD, + SMMU_CLASS_TT, + SMMU_CLASS_IN, +} SMMUTranslationClass; + /* MMIO Registers */ =20 REG32(IDR0, 0x0) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index cab545a0b46..472fdf2e5fd 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -942,7 +942,9 @@ static IOMMUTLBEntry smmuv3_translate(IOMMUMemoryRegion= *mr, hwaddr addr, event.type =3D SMMU_EVT_F_WALK_EABT; event.u.f_walk_eabt.addr =3D addr; event.u.f_walk_eabt.rnw =3D flag & 0x1; - event.u.f_walk_eabt.class =3D 0x1; + /* Stage-2 (only) is class IN while stage-1 is class TT */ + event.u.f_walk_eabt.class =3D (ptw_info.stage =3D=3D 2) ? + SMMU_CLASS_IN : SMMU_CLASS_TT; event.u.f_walk_eabt.addr2 =3D ptw_info.addr; break; case SMMU_PTW_ERR_TRANSLATION: @@ -950,6 +952,7 @@ static IOMMUTLBEntry smmuv3_translate(IOMMUMemoryRegion= *mr, hwaddr addr, event.type =3D SMMU_EVT_F_TRANSLATION; event.u.f_translation.addr =3D addr; event.u.f_translation.addr2 =3D ptw_info.addr; + event.u.f_translation.class =3D SMMU_CLASS_IN; event.u.f_translation.rnw =3D flag & 0x1; } break; @@ -958,6 +961,7 @@ static IOMMUTLBEntry smmuv3_translate(IOMMUMemoryRegion= *mr, hwaddr addr, event.type =3D SMMU_EVT_F_ADDR_SIZE; event.u.f_addr_size.addr =3D addr; event.u.f_addr_size.addr2 =3D ptw_info.addr; + event.u.f_translation.class =3D SMMU_CLASS_IN; event.u.f_addr_size.rnw =3D flag & 0x1; } break; @@ -966,6 +970,7 @@ static IOMMUTLBEntry smmuv3_translate(IOMMUMemoryRegion= *mr, hwaddr addr, event.type =3D SMMU_EVT_F_ACCESS; event.u.f_access.addr =3D addr; event.u.f_access.addr2 =3D ptw_info.addr; + event.u.f_translation.class =3D SMMU_CLASS_IN; event.u.f_access.rnw =3D flag & 0x1; } break; @@ -974,6 +979,7 @@ static IOMMUTLBEntry smmuv3_translate(IOMMUMemoryRegion= *mr, hwaddr addr, event.type =3D SMMU_EVT_F_PERMISSION; event.u.f_permission.addr =3D addr; event.u.f_permission.addr2 =3D ptw_info.addr; + event.u.f_translation.class =3D SMMU_CLASS_IN; event.u.f_permission.rnw =3D flag & 0x1; } break; --=20 2.34.1