From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f53.google.com (mail-pj1-f53.google.com [209.85.216.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4B2751D3658 for ; Tue, 27 Aug 2024 18:17:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724782644; cv=none; b=daMYwLeWuQDGRcG6mireOHMtELkFcLZ/eSRGeYLcP5oi7nfPqkseBcVrm9mWTCM/RvaAD8YZE1edul5Q/GT3PoIdMSIPxHxE+fWFRPJs0txzgcQ4jivG5VOuUyO/HBludQz78npcsXR/PwdHNI7DxdVGBE/Xq0ISsFejJiW65ZY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724782644; c=relaxed/simple; bh=W0MHtkjrqMehqszFX9YeJsQcicvaA0cF0zodtjl7Pjk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=pOs19fMTyhyxSi/MIUedh8AvIbnJWwTGRybxt48B0CrHQu/ULBS2JE+FBeJqY2BK36P7tPGDx1bF4DaLgb7tQdo0e3KhVY25F80pWmtPNw9JPAqIlrY46ya6sx2cEKL+f7QOge6oNqDJErAwzJbDZ4ZoMNJQMBzKe2aUkFbGoOg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ZdKXrBKb; arc=none smtp.client-ip=209.85.216.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZdKXrBKb" Received: by mail-pj1-f53.google.com with SMTP id 98e67ed59e1d1-2d3c05ec278so4287879a91.0 for ; Tue, 27 Aug 2024 11:17:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724782642; x=1725387442; darn=lists.linux.dev; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=5Qqm4VTqFnRP1C9/26fHK+dHKryok08NkyH9r7+ILNc=; b=ZdKXrBKbatw5EruK2c8cFx+AnGNgVJoF1evoct2WpdxcWCpp5oZjuo5ERplFUT4s1E OrdFBO0xNj2OObkJNfVQCX/5H70DY7AbElzl/uHwe0YUt/+DRvV3gR0zrzV+fx1hUP7V K9ranXSDW6SDVomHoJnFecU2TLe//DSAL73LHJfr5QTPvGxkHIFyMfdP+Jjm7MwB/nY3 B06Uig2Y7AIVmNGP82QYcbLds25Ue4VrJ5oEJGJRrwG+JspSDm2e7f0R7kea3jneNBSL Q04GDWffzWWNgHc7WUM8g5alExwhCyaNWLTLNKRj9ctPjCk0l5iFLExBe+U0hCRLnRrv 2urQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724782642; x=1725387442; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=5Qqm4VTqFnRP1C9/26fHK+dHKryok08NkyH9r7+ILNc=; b=V7GIbPE0kLK3VWAXu/jQ8hfD/VtCyZ2USI8s9Ex14PECQfMQu/SOQUYzrsIg8D18DE 75sgv/vhd132+Mu7Rco0gHXmCzgX/+bNzxkXWDSkrtEVv9it6XjV5trR5iKQxeBX8XfZ hu7zPAVo1d62rICJbZlXBV4EvrbZf0ce0Wmn4cnaTe0gIzzAOqWh2Rnc+epKtw/jT8vw A7R9yipDAZcpcsZ0F6Vk0jRiDCiWLbhUOkNuY/dCkMirzA8Dts4gY2MJ3ojK8oAOrRq1 ZcS7JmGRGK4CNSV31CvO9yKrHhMwwj2UuEO2LHibt2GuAa+X8qjXFh6KUIycbVj4QaX+ QxPg== X-Gm-Message-State: AOJu0YxgmrY1dxNRBBd5SEmf7dXNaEUOBtNmSi04pYOS86cd8EWysnPL BGXbmxwkWAAcn6+/Rkdw/WEcIxfmP/NrTsUq2pGxzrcQSWWmszMjUEVi7g== X-Google-Smtp-Source: AGHT+IH0n0TFg5/hRPO6Qh7jcBNG5pKNGVUs+INu5ONwGclHNTvAiowUqwIyW92ev15iZ2fiZpT+nw== X-Received: by 2002:a17:90b:88d:b0:2c3:2557:3de8 with SMTP id 98e67ed59e1d1-2d646d24df4mr13634871a91.33.1724782641772; Tue, 27 Aug 2024 11:17:21 -0700 (PDT) Received: from localhost ([2a00:79e1:2e00:1301:12e9:d196:a1e9:ab67]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2d613a6123fsm12436271a91.33.2024.08.27.11.17.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Aug 2024 11:17:20 -0700 (PDT) From: Rob Clark To: iommu@lists.linux.dev Cc: Will Deacon , Robin Murphy , Rob Clark , Boris Brezillon , dri-devel@lists.freedesktop.org (open list:DRM DRIVER for Qualcomm Adreno GPUs), freedreno@lists.freedesktop.org (open list:DRM DRIVER for Qualcomm Adreno GPUs), Jason Gunthorpe , Joao Martins , Kevin Tian , Konrad Dybcio , linux-arm-kernel@lists.infradead.org (moderated list:ARM SMMU DRIVERS), linux-arm-msm@vger.kernel.org (open list:DRM DRIVER for Qualcomm Adreno GPUs), linux-kernel@vger.kernel.org (open list), linux-pm@vger.kernel.org (open list:SUSPEND TO RAM), Marijn Suijten , "Rafael J. Wysocki" , Sean Paul , Steven Price Subject: [PATCH v9 0/4] io-pgtable-arm + drm/msm: Extend iova fault debugging Date: Tue, 27 Aug 2024 11:17:08 -0700 Message-ID: <20240827181717.187245-1-robdclark@gmail.com> X-Mailer: git-send-email 2.46.0 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Rob Clark This series extends io-pgtable-arm with a method to retrieve the page table entries traversed in the process of address translation, and then beefs up drm/msm gpu devcore dump to include this (and additional info) in the devcore dump. This is a respin of https://patchwork.freedesktop.org/series/94968/ (minus a patch that was already merged) v2: Fix an armv7/32b build error in the last patch v3: Incorperate Will Deacon's suggestion to make the interface callback based. v4: Actually wire up the callback v5: Drop the callback approach v6: Make walk-data struct pgtable specific and rename io_pgtable_walk_data to arm_lpae_io_pgtable_walk_data v7: Re-use the pgtable walker added for arm_lpae_read_and_clear_dirty() v8: Pass pte pointer to callback so it can modify the actual pte v9: Fix selftests_running case Rob Clark (4): iommu/io-pgtable-arm: Make pgtable walker more generic iommu/io-pgtable-arm: Re-use the pgtable walk for iova_to_phys iommu/io-pgtable-arm: Add way to debug pgtable walk drm/msm: Extend gpu devcore dumps with pgtbl info drivers/gpu/drm/msm/adreno/adreno_gpu.c | 10 ++ drivers/gpu/drm/msm/msm_gpu.c | 9 ++ drivers/gpu/drm/msm/msm_gpu.h | 8 ++ drivers/gpu/drm/msm/msm_iommu.c | 22 ++++ drivers/gpu/drm/msm/msm_mmu.h | 3 +- drivers/iommu/io-pgtable-arm.c | 149 +++++++++++++++--------- include/linux/io-pgtable.h | 15 +++ 7 files changed, 160 insertions(+), 56 deletions(-) -- 2.46.0