From patchwork Tue Jun 28 21:52:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Kevin Brace X-Patchwork-Id: 12898989 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 83869C43334 for ; Tue, 28 Jun 2022 21:54:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CE6A610FED6; Tue, 28 Jun 2022 21:54:38 +0000 (UTC) Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id A179110FED6 for ; Tue, 28 Jun 2022 21:54:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1656453274; bh=9pGj8mBf5olrIdtsRlLs4F4OF32vuk2tUJKtWssM8gM=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=FletTjN87mTsNvO+iVvwK8DZNAhnE5X81P4aGbImCV/gHL3Y7HVETcwpcgupwv3r7 M4171ZTVVq16w0ZBX3EqSaFcaFqQ/o8YLnBECMKIFOpf2VDdA7Ee6ruOG7ASnRILrF He72VDxoKE639zaRI96E6e8zrJYxtey0r49dUG3I= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from localhost.localdomain ([174.250.0.5]) by mail.gmx.net (mrgmx005 [212.227.17.184]) with ESMTPSA (Nemesis) id 1MYNNo-1oA2Xr0hz0-00VN6g; Tue, 28 Jun 2022 23:54:34 +0200 From: Kevin Brace To: dri-devel@lists.freedesktop.org Subject: [PATCH v2 17/32] drm/via: Add via_ioctl.c Date: Tue, 28 Jun 2022 16:52:31 -0500 Message-Id: <20220628215246.19706-18-kevinbrace@gmx.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220628215246.19706-1-kevinbrace@gmx.com> References: <20220628215246.19706-1-kevinbrace@gmx.com> MIME-Version: 1.0 X-Provags-ID: V03:K1:vHMjs66y1YPaWoW3srgR4Cf5TILg2YkhwZ6cN+EwfNkD7oIUAUk fnFUOryhxPLaigje+XR8sgms/rh557xlvM0e0QcnbD4bX9ZuHj7ZEs21Ftdz0HuzSKKek2g 9JDt9kAh3vS16dbI6rs55yxemclg7Ooffv+N8gwBYXVD2s0I/qaQlJJX+R7De3I8ZdpTqZj K7wZJ2fne3C5FpAPiX+Aw== X-UI-Out-Filterresults: notjunk:1;V03:K0:Z2kbQmFcR08=:xTntyDGPaIICQheup9gIzM b4li3L9pE2uVIUx08qyYCnoRuZeMcIYCubwXWm1+HGArLoaNnCy4OPmY9KG3NkhQA7G5wwdHt ScKBHhBdbu2pQ3lTJp9WwX9zzshGlcZ3u9MhnBtI+CT9ajs8Z2PII3IA7FfP9/ufLk7I3ZJaA VLWTZE6J20g4cMfItBRClDv97ULbQQUu+r/Tzvj5Q8Y2kfYY9LvjbUYfBegWTuB4XYPxV6JYB wIxUM9k1iQaIxqb7CJcF+XhOenGOHs1kb5ZhupEr0dq7tb0UaZ/N7Br8JzzwRuCBDRpEi6lgK BmCbUgeSxyWYGa2Ik+rmPoXusQPatO9PQqdOHYZNSqESxHOeqgfT6WCy/fAtPS4vKKPfG5teA 8jefjPMb2KVH7qZUCV+CYv4GRnwjiuk+UuTHsq/XS0s6ZmiyNB8MXfd+LBOns6DhLzdKh0tYt eqY7FB5nEBpUQikB7vVkxrZIlLQuQ+y8vPLQd7M/yemmUyhjn5pbyGC6mTi18HH6Jy9e4AZAY hI+z7695OM1YPYxQWBSBKkdSksbQpOfKBD42PSX8je0qU1oQUgp+FcxKUtHnwK0/OwT7sDeyw aviBxVwm3y28aPnwMhQe15H+Ao/IU2iU8Y3jeZZ75Lhr9G5WfdF/uRREac/5MkXqRwCySJYoa DrvzAKi12hrP0awCYcoN4Nxu5NrVIlKe4mmMNifM9UKRcOBQFZ+QvuLDrdQilbAoa609lw64Z 0CXvxkPL1xenG61flLyKB9I16xZNWWIvih+2/LNOeaLV4Qo9G/4toPEK3jnNSM/s/KvOfdtqb YIMTPGEUB+G2Z9vrBZ56PEr+l4XTb0bm4WjopLdcSpD4hcpGL4O1qQbtfKtGhbPdwMjGqBBG9 GB012Uk3Nt2itiFTORGnfWCbk8QP6rONTLsN0k6CFkiRkXu/pTFpq8bqI4mfjPY2Jp8f0bX2Z kFw1trF3rh7XgBJeIiTIsqW79riS8355KZMZtEgaWDPmGX2QD/oybN/KhrO1OKrQkoxTONmaw 4bqdKbDGVw25PGXza2LBQk6sF1jgTKbL4wG76EuJZ7o2xn1PUX/8KNP5o3MJs/mgj0642B3KF IeNNw1aqXEtQRon3/XPN+IQnTetGFl19Th9jhMkp/9mE9iWDpokPaS+cA== 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);