From patchwork Fri Jun 24 20:26:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Kevin Brace X-Patchwork-Id: 12895061 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 11898C433EF for ; Fri, 24 Jun 2022 20:33:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7404C10F495; Fri, 24 Jun 2022 20:33:43 +0000 (UTC) Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1574A10F495 for ; Fri, 24 Jun 2022 20:33:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1656102816; bh=9pGj8mBf5olrIdtsRlLs4F4OF32vuk2tUJKtWssM8gM=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=j+d1mVut48xxMzanHUW9Dj/99k81zSTfp+kLFpXcjqamq5WwfA/QNB5qRYYcT5RGe cXJhmNOQevSlureKKwefm8sMiOJzjBYylzOXaIaGzxo4VKIcNHndOfOWsYIRt7LCI6 VDdYMm138bR1qveQuIJ86TE6CE2/dmV8oHWmOzBA= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from localhost.localdomain ([174.250.50.5]) by mail.gmx.net (mrgmx004 [212.227.17.184]) with ESMTPSA (Nemesis) id 1MrQIv-1nHDLd2pCJ-00oVY5; Fri, 24 Jun 2022 22:28:34 +0200 From: Kevin Brace To: dri-devel@lists.freedesktop.org Subject: [PATCH 16/28] drm/via: Add via_ioctl.c Date: Fri, 24 Jun 2022 15:26:21 -0500 Message-Id: <20220624202633.3978-17-kevinbrace@gmx.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220624202633.3978-1-kevinbrace@gmx.com> References: <20220624202633.3978-1-kevinbrace@gmx.com> MIME-Version: 1.0 X-Provags-ID: V03:K1:txrp3aRf60nsX3J/K1qh5Ew3xE6KeNlQOq6ImEf1xYNeUN2hhV0 /Fo3ioJvHWCt6ffcoF8QkpBS195nIyixJ++MEzsDR3QZCOc7qwiIecUvJVkZ5JjxwLKOjqz ifdycfjBhUEBp+1ZGPvOgwEAphukIJFc1mZNx5ZOIShN/dmAbzVRvokICxSWab0ymchEbRF /oQTHo0eB71yGNf8Xn8QQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:yNUCskWMkTs=:4wus6qxqiaZIQw/YUPe3xo k3SKx9Pssi+mEp9c3lIYdVm5OIGzOM8MRTxu1px1YoGqdYan9PbPHc+vjyTQYHKiPqpd5FpkU H9woQ3ACAfVkS1idauPXB2RCunVdc+EJ6CZNwTltlrvp7C9VxVQEJk9mV8bRX36pusQPzjbvs Cus8iHwNcKAAaon5K96wMQBkXt/M1PJdevJ3jrVbSgkyezaJO2+Oqng1HunPpkE8RAuHx4c0b vx04GY0eUAhVaKSSoQmCggiZj1MrLxUaJc984ZARyYQ1X/IoAeH4Pi/RSSqHZWBrs0Dt/9wkd z+RCXgR3x2UYQNNWzbafGTCT6nNm4ncfiee0mIKW4+XGrlTiMGR7mTvYdB1ID5QL99RaQJjLg kmSLDQJ+bmC5sQv1Q+UX20QeKpcNag+RJ9B1o8cMLYJA9H7UODT71WQbjXe2AtjlD4vctRQ5Q wdD5d/8s4sFOp7568ESunwAsYqAy5KcjZTTVdcVftK3d/RM1enRbVUZS+IxzArCxFGOy02Eni hthOlIgesHew3GiaHtfygJ+fL5x+E1ojspvQtWZ+sgzpGZOAKlXiPg/B9D3S4GjnjsOq6RBHm nwtiIU8pOMp9GuJsmJWB2XxXmbNRxVKag/DWlQ0wEc4uP09LuOQVAzbZl/PTOqNVsTfBw3tDl IjWK2DJ948g0fb6LgXGQXyvA1uIY9qMt+fWIJnXrIgWzknK1MvjdBNrOuN87mkyacB59Ffo2X BFc3/lDPSFycRKWHvDcnsc2KqfrLsfaxlz9zCFCMYpkR+xl4fkTxfUhk7mff5Nu4FrpVREBAe 14E9J2ybpWUvn6Kj+6979Vt539Eoz3/McI2dF1TImz9me4B1B8foJORzhfkp4hv7if5Nfjibh ER2ZDW2DKL1m6z2W4rYHh9S9o/I95LXLK+dboF3WkfYK9pzcAoIFBgLi4hWv/HSsLhinUBCla wTDso56bcGBMvztCXELyykSZ/6n8xdlLFWTzY/IScTMVAx63+i+iNuBGtn7Dr6Goumimlzl4q OJaU43Dfzt0qlzD4jXfxS97PxgqrZGLQKKdiRwDzVXDeQPoTfY/tq8jckNt6/iJd9Jjj0kgCa Ga4hD9Zzed3c4IhCw9rOScPDGU0OtwNza6PkU1BKM1EKAgDDNuPwAL5zQ== 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: Kevin Brace Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Kevin Brace Signed-off-by: Kevin Brace --- drivers/gpu/drm/via/via_ioctl.c | 122 ++++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 drivers/gpu/drm/via/via_ioctl.c -- 2.35.1 diff --git a/drivers/gpu/drm/via/via_ioctl.c b/drivers/gpu/drm/via/via_ioctl.c new file mode 100644 index 000000000000..24d72bf4d53a --- /dev/null +++ b/drivers/gpu/drm/via/via_ioctl.c @@ -0,0 +1,122 @@ +/* + * Copyright © 2020 Kevin Brace. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sub license, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) OR COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Author(s): + * Kevin Brace + */ + +#include +#include + +#include + +#include + +#include "via_drv.h" + + +static int via_gem_create_ioctl(struct drm_device *dev, + void *data, + struct drm_file *file_priv) +{ + struct drm_via_gem_create *args = data; + struct ttm_buffer_object *ttm_bo; + struct via_drm_priv *dev_priv = to_via_drm_priv(dev); + struct via_bo *bo; + uint32_t handle; + int ret; + + DRM_DEBUG_KMS("Entered %s.\n", __func__); + + ret = via_bo_create(dev, &dev_priv->bdev, args->size, + ttm_bo_type_device, args->domain, false, &bo); + if (ret) { + goto exit; + } + + ttm_bo = &bo->ttm_bo; + + ret = drm_gem_handle_create(file_priv, &ttm_bo->base, &handle); + drm_gem_object_put(&ttm_bo->base); + if (ret) { + via_bo_destroy(bo, false); + goto exit; + } + + args->size = ttm_bo->base.size; + args->domain = ttm_bo->resource->placement; + args->handle = handle; + args->offset = ttm_bo->resource->start << PAGE_SHIFT; +exit: + DRM_DEBUG_KMS("Exiting %s.\n", __func__); + return ret; +} + +static int via_gem_map_ioctl(struct drm_device *dev, + void *data, + struct drm_file *file_priv) +{ + struct drm_via_gem_map *args = data; + struct drm_gem_object *gem; + struct ttm_buffer_object *ttm_bo; + int ret = 0; + + DRM_DEBUG_KMS("Entered %s.\n", __func__); + + gem = drm_gem_object_lookup(file_priv, args->handle); + if (!gem) { + ret = -EINVAL; + goto exit; + } + + ttm_bo = container_of(gem, struct ttm_buffer_object, base); + + args->map_offset = drm_vma_node_offset_addr(&ttm_bo->base.vma_node); +exit: + DRM_DEBUG_KMS("Exiting %s.\n", __func__); + return ret; +} + +static int via_gem_unmap_ioctl(struct drm_device *dev, + void *data, + struct drm_file *file_priv) +{ + struct drm_via_gem_unmap *args = data; + int ret; + + DRM_DEBUG_KMS("Entered %s.\n", __func__); + + ret = drm_gem_handle_delete(file_priv, args->handle); + + DRM_DEBUG_KMS("Exiting %s.\n", __func__); + return ret; +} + + +const struct drm_ioctl_desc via_driver_ioctls[] = { + DRM_IOCTL_DEF_DRV(VIA_GEM_CREATE, via_gem_create_ioctl, DRM_AUTH | DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(VIA_GEM_MAP, via_gem_map_ioctl, DRM_AUTH | DRM_UNLOCKED), + DRM_IOCTL_DEF_DRV(VIA_GEM_UNMAP, via_gem_unmap_ioctl, DRM_AUTH | DRM_UNLOCKED), +}; + + +int via_driver_num_ioctls = ARRAY_SIZE(via_driver_ioctls);