From patchwork Wed May 24 07:48:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislaw Gruszka X-Patchwork-Id: 13253418 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E9E7BC77B7C for ; Wed, 24 May 2023 07:49:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 353C610E589; Wed, 24 May 2023 07:49:45 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1D90F10E589 for ; Wed, 24 May 2023 07:49:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1684914583; x=1716450583; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=C6anOSORczknS/n1eMEIVZRFlHnI+O+NwTTN+AcFx7A=; b=JTC0ST7ao7u9uiAsA8dricgNMtjfE+j8B1o8n5Fvj8nLtwzwmaKRYTSg cZwMf3qUdSZhWs/YHSuE9NdxMbbYoU55FTHCG2W5Yl72DSR9/bL+O7erg ft5zJJVHGyrqIjKMemCnVeWjwXjfkPL9QuWn93BqHzZ3bp0rNqjhlzZiC y/tsIMNYLNvecXbiaxOE4WdcIzw+c2Gr1PQ9NzJ6j3X+Szw7CjyO3opAS ZrB0bPA3uPAMLjXiv1KpwdAEGUh1QFCiNs8KJK7dTPQOywKHj4NntN8W4 0i9WdH9xEX2tkNs95Ac6pA0dZNkrNOfa3li3wEppAG7hnvqgvWKpfSzzz A==; X-IronPort-AV: E=McAfee;i="6600,9927,10719"; a="419200783" X-IronPort-AV: E=Sophos;i="6.00,188,1681196400"; d="scan'208";a="419200783" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 May 2023 00:49:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10719"; a="681767748" X-IronPort-AV: E=Sophos;i="6.00,188,1681196400"; d="scan'208";a="681767748" Received: from joe-255.igk.intel.com (HELO localhost) ([10.91.220.57]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 May 2023 00:49:40 -0700 From: Stanislaw Gruszka To: dri-devel@lists.freedesktop.org Subject: [PATCH 1/5] accel/ivpu: Initial debugfs support Date: Wed, 24 May 2023 09:48:43 +0200 Message-Id: <20230524074847.866711-2-stanislaw.gruszka@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230524074847.866711-1-stanislaw.gruszka@linux.intel.com> References: <20230524074847.866711-1-stanislaw.gruszka@linux.intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stanislaw Gruszka , Oded Gabbay , Jeffrey Hugo , Jacek Lawrynowicz Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add initial debugfs support. Provide below functionality: - print buffer objects - print latest boot mode - trigger vpu engine reset Signed-off-by: Stanislaw Gruszka Reviewed-by: Jacek Lawrynowicz --- drivers/accel/ivpu/Makefile | 1 + drivers/accel/ivpu/ivpu_debugfs.c | 74 +++++++++++++++++++++++++++++++ drivers/accel/ivpu/ivpu_debugfs.h | 13 ++++++ drivers/accel/ivpu/ivpu_drv.c | 5 +++ 4 files changed, 93 insertions(+) create mode 100644 drivers/accel/ivpu/ivpu_debugfs.c create mode 100644 drivers/accel/ivpu/ivpu_debugfs.h diff --git a/drivers/accel/ivpu/Makefile b/drivers/accel/ivpu/Makefile index 80f1fb3548ae..3ca2fb3936f6 100644 --- a/drivers/accel/ivpu/Makefile +++ b/drivers/accel/ivpu/Makefile @@ -2,6 +2,7 @@ # Copyright (C) 2023 Intel Corporation intel_vpu-y := \ + ivpu_debugfs.o \ ivpu_drv.o \ ivpu_fw.o \ ivpu_gem.o \ diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c new file mode 100644 index 000000000000..df51ec008fb5 --- /dev/null +++ b/drivers/accel/ivpu/ivpu_debugfs.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2020-2023 Intel Corporation + */ + +#include +#include +#include + +#include + +#include "ivpu_debugfs.h" +#include "ivpu_drv.h" +#include "ivpu_gem.h" +#include "ivpu_jsm_msg.h" +#include "ivpu_pm.h" + +static int bo_list_show(struct seq_file *s, void *v) +{ + struct drm_info_node *node = (struct drm_info_node *)s->private; + struct drm_printer p = drm_seq_file_printer(s); + + ivpu_bo_list(node->minor->dev, &p); + + return 0; +} + +static int last_bootmode_show(struct seq_file *s, void *v) +{ + struct drm_info_node *node = (struct drm_info_node *)s->private; + struct ivpu_device *vdev = to_ivpu_device(node->minor->dev); + + seq_printf(s, "%s\n", (vdev->pm->is_warmboot) ? "warmboot" : "coldboot"); + + return 0; +} + +static const struct drm_info_list vdev_debugfs_list[] = { + {"bo_list", bo_list_show, 0}, + {"last_bootmode", last_bootmode_show, 0}, +}; + +static ssize_t +ivpu_reset_engine_fn(struct file *file, const char __user *user_buf, size_t size, loff_t *pos) +{ + struct ivpu_device *vdev = file->private_data; + + if (!size) + return -EINVAL; + + if (ivpu_jsm_reset_engine(vdev, DRM_IVPU_ENGINE_COMPUTE)) + return -ENODEV; + if (ivpu_jsm_reset_engine(vdev, DRM_IVPU_ENGINE_COPY)) + return -ENODEV; + + return size; +} + +static const struct file_operations ivpu_reset_engine_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .write = ivpu_reset_engine_fn, +}; + +void ivpu_debugfs_init(struct drm_minor *minor) +{ + struct ivpu_device *vdev = to_ivpu_device(minor->dev); + + drm_debugfs_create_files(vdev_debugfs_list, ARRAY_SIZE(vdev_debugfs_list), + minor->debugfs_root, minor); + + debugfs_create_file("reset_engine", 0200, minor->debugfs_root, vdev, + &ivpu_reset_engine_fops); +} diff --git a/drivers/accel/ivpu/ivpu_debugfs.h b/drivers/accel/ivpu/ivpu_debugfs.h new file mode 100644 index 000000000000..78f80c1e00e4 --- /dev/null +++ b/drivers/accel/ivpu/ivpu_debugfs.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020-2023 Intel Corporation + */ + +#ifndef __IVPU_DEBUGFS_H__ +#define __IVPU_DEBUGFS_H__ + +struct drm_minor; + +void ivpu_debugfs_init(struct drm_minor *minor); + +#endif /* __IVPU_DEBUGFS_H__ */ diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index 2df7643b843d..4c0345417c14 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -14,6 +14,7 @@ #include #include "vpu_boot_api.h" +#include "ivpu_debugfs.h" #include "ivpu_drv.h" #include "ivpu_fw.h" #include "ivpu_gem.h" @@ -378,6 +379,10 @@ static const struct drm_driver driver = { .gem_prime_import = ivpu_gem_prime_import, .gem_prime_mmap = drm_gem_prime_mmap, +#if defined(CONFIG_DEBUG_FS) + .debugfs_init = ivpu_debugfs_init, +#endif + .ioctls = ivpu_drm_ioctls, .num_ioctls = ARRAY_SIZE(ivpu_drm_ioctls), .fops = &ivpu_fops,