From nobody Thu Sep 11 15:11:29 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9E6DEB64DD for ; Thu, 3 Aug 2023 16:55:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234221AbjHCQzA (ORCPT ); Thu, 3 Aug 2023 12:55:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234988AbjHCQyf (ORCPT ); Thu, 3 Aug 2023 12:54:35 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D14F212D for ; Thu, 3 Aug 2023 09:53:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1691081619; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VFFV/4pnGfS5xOgVl1lU4W1qf1MMs0lzrapLnGgOEpU=; b=LdGPXLSdTiOGBtGJKmegOqhGiBq4G2DWD61s2sKcAm8e33mznL8NckfBSgE6YqHdBiAzL0 66bwUmJD/BEJ35UGIoVmm3aY3aiPSbDGlLZ6bqlVPlj5Mj6h08dcssT1UZ/7EGgpPGlgJI hZ0B8QpEk7lP8SWOVyt5szx5PS68/HA= Received: from mail-ej1-f72.google.com (mail-ej1-f72.google.com [209.85.218.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-265-SxAE39idN4K2C0iJp4_Jrg-1; Thu, 03 Aug 2023 12:53:38 -0400 X-MC-Unique: SxAE39idN4K2C0iJp4_Jrg-1 Received: by mail-ej1-f72.google.com with SMTP id a640c23a62f3a-997c891a88dso77523366b.3 for ; Thu, 03 Aug 2023 09:53:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691081617; x=1691686417; 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=VFFV/4pnGfS5xOgVl1lU4W1qf1MMs0lzrapLnGgOEpU=; b=KZ9d/Z0vrymyzCqnDRxD7PRLCPifCddc9R4VHDmYQ61gvguZcDbeBK7G98Ix9wMfdN EdTCLCzzz+jq95uoJCDxVhGLICvNVeQPmebu7ZCeOt/2XVwxm5FdhtXGYQiEfrEc/FLw qjsGC3mZGqiYcQNyIUr0d8u+2Np897dnTu7RkggFIfrnn8XOb8tj98AJFf+gG2yWvedQ 6TfhCdfoA28RLo4FbVdxqMsYRBZ9N68tmrm7gdb0PoLzxlADiKpQqvpWyFrWQ0XVFCT/ YPAQtUmfBcxw9DraNXZ6C2iV6ZnY3F3a99wyfIzMdQrO4TMP3oSKTmy8Bb3mS9tjA3HK 1CKg== X-Gm-Message-State: ABy/qLbAmEGAhSFh3KjNc5PLH6r0TjszKbCAGs7RACNdI2UsYj41sfua B8lVPFOEgT6phYBh6smLxaV2hzXo6lWg7QFu/EcUmb4B5z7gbmVTDG/rBzu25QYt23E7pY0ivif NIoK/FC5xWFWp2SWRfBfINedr X-Received: by 2002:a17:906:31d4:b0:96a:63d4:24c5 with SMTP id f20-20020a17090631d400b0096a63d424c5mr7038413ejf.77.1691081617375; Thu, 03 Aug 2023 09:53:37 -0700 (PDT) X-Google-Smtp-Source: APBJJlHRH5ZgjJkQUxJJ+58qKoKTsSHT7S3XigxFOpDntBBMZ19xjhCROTsTFx3KOVVIwi5BUR2bOg== X-Received: by 2002:a17:906:31d4:b0:96a:63d4:24c5 with SMTP id f20-20020a17090631d400b0096a63d424c5mr7038393ejf.77.1691081617197; Thu, 03 Aug 2023 09:53:37 -0700 (PDT) Received: from cassiopeiae.. ([2a02:810d:4b3f:de9c:642:1aff:fe31:a19f]) by smtp.gmail.com with ESMTPSA id f18-20020a1709064dd200b00991bba473e1sm73096ejw.3.2023.08.03.09.53.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Aug 2023 09:53:36 -0700 (PDT) From: Danilo Krummrich To: airlied@gmail.com, daniel@ffwll.ch, tzimmermann@suse.de, mripard@kernel.org, corbet@lwn.net, christian.koenig@amd.com, bskeggs@redhat.com, Liam.Howlett@oracle.com, matthew.brost@intel.com, boris.brezillon@collabora.com, alexdeucher@gmail.com, ogabbay@kernel.org, bagasdotme@gmail.com, willy@infradead.org, jason@jlekstrand.net, donald.robson@imgtec.com Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Danilo Krummrich Subject: [PATCH drm-misc-next v9 11/11] drm/nouveau: debugfs: implement DRM GPU VA debugfs Date: Thu, 3 Aug 2023 18:52:30 +0200 Message-ID: <20230803165238.8798-12-dakr@redhat.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230803165238.8798-1-dakr@redhat.com> References: <20230803165238.8798-1-dakr@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Provide the driver indirection iterating over all DRM GPU VA spaces to enable the common 'gpuvas' debugfs file for dumping DRM GPU VA spaces. Signed-off-by: Danilo Krummrich --- drivers/gpu/drm/nouveau/nouveau_debugfs.c | 39 +++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/no= uveau/nouveau_debugfs.c index 99d022a91afc..053f703f2f68 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -203,6 +203,44 @@ nouveau_debugfs_pstate_open(struct inode *inode, struc= t file *file) return single_open(file, nouveau_debugfs_pstate_get, inode->i_private); } =20 +static void +nouveau_debugfs_gpuva_regions(struct seq_file *m, struct nouveau_uvmm *uvm= m) +{ + MA_STATE(mas, &uvmm->region_mt, 0, 0); + struct nouveau_uvma_region *reg; + + seq_puts (m, " VA regions | start | range | e= nd \n"); + seq_puts (m, "----------------------------------------------------------= ------------------\n"); + mas_for_each(&mas, reg, ULONG_MAX) + seq_printf(m, " | 0x%016llx | 0x%016llx | 0x%016llx\n", + reg->va.addr, reg->va.range, reg->va.addr + reg->va.range); +} + +static int +nouveau_debugfs_gpuva(struct seq_file *m, void *data) +{ + struct drm_info_node *node =3D (struct drm_info_node *) m->private; + struct nouveau_drm *drm =3D nouveau_drm(node->minor->dev); + struct nouveau_cli *cli; + + mutex_lock(&drm->clients_lock); + list_for_each_entry(cli, &drm->clients, head) { + struct nouveau_uvmm *uvmm =3D nouveau_cli_uvmm(cli); + + if (!uvmm) + continue; + + nouveau_uvmm_lock(uvmm); + drm_debugfs_gpuva_info(m, &uvmm->umgr); + seq_puts(m, "\n"); + nouveau_debugfs_gpuva_regions(m, uvmm); + nouveau_uvmm_unlock(uvmm); + } + mutex_unlock(&drm->clients_lock); + + return 0; +} + static const struct file_operations nouveau_pstate_fops =3D { .owner =3D THIS_MODULE, .open =3D nouveau_debugfs_pstate_open, @@ -214,6 +252,7 @@ static const struct file_operations nouveau_pstate_fops= =3D { static struct drm_info_list nouveau_debugfs_list[] =3D { { "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL }, { "strap_peek", nouveau_debugfs_strap_peek, 0, NULL }, + DRM_DEBUGFS_GPUVA_INFO(nouveau_debugfs_gpuva, NULL), }; #define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list) =20 --=20 2.41.0