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([2a02:810d:4b3f:de9c:642:1aff:fe31:a19f]) by smtp.gmail.com with ESMTPSA id g9-20020a1709063b0900b00969e9fef151sm6051554ejf.97.2023.06.06.15.32.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 15:32:38 -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 Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Danilo Krummrich Subject: [PATCH drm-next v4 14/14] drm/nouveau: debugfs: implement DRM GPU VA debugfs Date: Wed, 7 Jun 2023 00:31:30 +0200 Message-Id: <20230606223130.6132-15-dakr@redhat.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230606223130.6132-1-dakr@redhat.com> References: <20230606223130.6132-1-dakr@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true X-Rspamd-Queue-Id: E00C980004 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: yrqzse67mbqsz9cjsp16p7d5pozh8cd8 X-HE-Tag: 1686090763-219777 X-HE-Meta: U2FsdGVkX192dTF1iketho48vDK59fXpzGqPfNCNZyZWkoeeqUT6Bsbptwrbhh3UfSCCX2iyiwhsznkaURuRQvM62bH5XbMgsZkWOfn/In+WedAEd1lhSTnfbleAgOEuY7jSXPLTM2+pWJLitVAJYdhYq1GZADBP+NEA+QLvlOznzQZ6zFy7WvRXwhX289HZjZ/R4I7DKO7gg8UmR94OmzHnTEaNpzz2KhXQhp+4qW8QdkkCGVSkSrcUGGKtDOMwxnOZZ3bTozxj5ncS9ywKyUz0q3K69QP1XVW8Jv9BeoxNLmfMC3sgz4EhEhMHLemLcqbCYmKZnN+YRVjBnyv0f2mY23ttNirDVZw96ZOmm60KpV5G0SyhEYwGZ9F1etbiAX7Za/CzAeDTgDw41zUAD85AYehcPBgzrHpltMaZQ85LWWf5gCRGxHAY34FmIQtJ5/PhIzT+4H66zLOCoqCmEFIgx1MPuavfq89tkhh72/z8vHrgfLdiE4MUfMyed+kJsrpOU4wFZ1y1dSPSnzXozO/qnQvq0Yb1s/vtG7h9Ax9CtyKOov3XAVN2JZJgD4Wht65CVG3UOCvUe/q1IPinnE1KLUtYoQO2ZwZx/8xCCmZqUJiDpCDRyz873BupI921ceARjky5CNkM3c86p9z7Slmv4aw90BnlssazWs9A/A6qj+ddZWPubwUi6LNEy2kqZ/OZ33Rk3vH93xCXQLTjrkfw49ymLLrd6Vsf6apDKHIBUh3ZcjDoZ07dib8bqApyeJYjA0i66BURAKQVYmK0ZUbh7RPXJXt1oRhqDWPw5BBJ0KXJM5TLXlHwEXy/WqMdHUotovkmg6LE+9kiikcTo7lql0FKovbP4ko4WP27yfykOidNLp+xPp6VfD4yScjMcyrVBZ8klf171NR1I4WbQaC0O2v39h5FC6MtfyRPsprvAMVmCtelliy/WHbnJNCbIEdYOaCRubWYn7eA1P2 GDssRx0S v8hg+F2qKnYoM8rIckB/iXqAVHKilshBX0x3Iov2b7EmYDBWcYK+vfrBO9vXyXLBH7Nj4NfuJ5BUa8kHOHW3ZpovGUKxTmUq/TJ3WeUr+jCg/2UeHdSZwTDfP7QsEcqK1ti6Bmcb616CigruHE26ZbAfuE4oxq/LSRp2jlX+/k7s+9lOsHe2XjVMx6RRXDMm36LlBXveghIGhNlvD08sUU9zT5cCJQNPOtrdJNM+EJ7DEJ7pJm3vE07IOoWwPhEgs4ez46SL/Bu1Fzf/qaxMF2nxm21RLm0u2yfeDZ+ojUcYqzH+tKUnuO43Alm8O1Ng6xgAKywvqkfuQgOhQYlNuZrWjWrkElHWuw/PBg6crYU2KGz6NxTqgvwdClw0JGDPtxVh/6MFw6iB8xXw= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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/nouveau/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, struct file *file) return single_open(file, nouveau_debugfs_pstate_get, inode->i_private); } +static void +nouveau_debugfs_gpuva_regions(struct seq_file *m, struct nouveau_uvmm *uvmm) +{ + MA_STATE(mas, &uvmm->region_mt, 0, 0); + struct nouveau_uvma_region *reg; + + seq_puts (m, " VA regions | start | range | end \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 = (struct drm_info_node *) m->private; + struct nouveau_drm *drm = 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 = 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 = { .owner = THIS_MODULE, .open = nouveau_debugfs_pstate_open, @@ -214,6 +252,7 @@ static const struct file_operations nouveau_pstate_fops = { static struct drm_info_list nouveau_debugfs_list[] = { { "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) -- 2.40.1