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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c new file mode 100644 index 0000000000..a1da5678c7 --- /dev/null +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -0,0 +1,317 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/************************************************************************** + * + * Copyright 2009-2022 VMware, Inc., Palo Alto, CA., USA + * + * 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 COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +#include "vmwgfx_drv.h" +#include "vmwgfx_devcaps.h" +#include "vmwgfx_kms.h" + +#include <drm/vmwgfx_drm.h> +#include <linux/pci.h> + +int vmw_getparam_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct vmw_private *dev_priv = vmw_priv(dev); + struct drm_vmw_getparam_arg *param = + (struct drm_vmw_getparam_arg *)data; + struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv); + + switch (param->param) { + case DRM_VMW_PARAM_NUM_STREAMS: + param->value = vmw_overlay_num_overlays(dev_priv); + break; + case DRM_VMW_PARAM_NUM_FREE_STREAMS: + param->value = vmw_overlay_num_free_overlays(dev_priv); + break; + case DRM_VMW_PARAM_3D: + param->value = vmw_supports_3d(dev_priv) ? 1 : 0; + break; + case DRM_VMW_PARAM_HW_CAPS: + param->value = dev_priv->capabilities; + break; + case DRM_VMW_PARAM_HW_CAPS2: + param->value = dev_priv->capabilities2; + break; + case DRM_VMW_PARAM_FIFO_CAPS: + param->value = vmw_fifo_caps(dev_priv); + break; + case DRM_VMW_PARAM_MAX_FB_SIZE: + param->value = dev_priv->max_primary_mem; + break; + case DRM_VMW_PARAM_FIFO_HW_VERSION: + { + if ((dev_priv->capabilities & SVGA_CAP_GBOBJECTS)) + param->value = SVGA3D_HWVERSION_WS8_B1; + else + param->value = vmw_fifo_mem_read( + dev_priv, + ((vmw_fifo_caps(dev_priv) & + SVGA_FIFO_CAP_3D_HWVERSION_REVISED) ? + SVGA_FIFO_3D_HWVERSION_REVISED : + SVGA_FIFO_3D_HWVERSION)); + break; + } + case DRM_VMW_PARAM_MAX_SURF_MEMORY: + if ((dev_priv->capabilities & SVGA_CAP_GBOBJECTS) && + !vmw_fp->gb_aware) + param->value = dev_priv->max_mob_pages * PAGE_SIZE / 2; + else + param->value = dev_priv->memory_size; + break; + case DRM_VMW_PARAM_3D_CAPS_SIZE: + param->value = vmw_devcaps_size(dev_priv, vmw_fp->gb_aware); + break; + case DRM_VMW_PARAM_MAX_MOB_MEMORY: + vmw_fp->gb_aware = true; + param->value = dev_priv->max_mob_pages * PAGE_SIZE; + break; + case DRM_VMW_PARAM_MAX_MOB_SIZE: + param->value = dev_priv->max_mob_size; + break; + case DRM_VMW_PARAM_SCREEN_TARGET: + param->value = + (dev_priv->active_display_unit == vmw_du_screen_target); + break; + case DRM_VMW_PARAM_DX: + param->value = has_sm4_context(dev_priv); + break; + case DRM_VMW_PARAM_SM4_1: + param->value = has_sm4_1_context(dev_priv); + break; + case DRM_VMW_PARAM_SM5: + param->value = has_sm5_context(dev_priv); + break; + case DRM_VMW_PARAM_GL43: + param->value = has_gl43_context(dev_priv); + break; + case DRM_VMW_PARAM_DEVICE_ID: + param->value = to_pci_dev(dev_priv->drm.dev)->device; + break; + default: + return -EINVAL; + } + + return 0; +} + + +int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_vmw_get_3d_cap_arg *arg = + (struct drm_vmw_get_3d_cap_arg *) data; + struct vmw_private *dev_priv = vmw_priv(dev); + uint32_t size; + void __user *buffer = (void __user *)((unsigned long)(arg->buffer)); + void *bounce = NULL; + int ret; + struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv); + + if (unlikely(arg->pad64 != 0 || arg->max_size == 0)) { + VMW_DEBUG_USER("Illegal GET_3D_CAP argument.\n"); + return -EINVAL; + } + + size = vmw_devcaps_size(dev_priv, vmw_fp->gb_aware); + if (unlikely(size == 0)) { + DRM_ERROR("Failed to figure out the devcaps size (no 3D).\n"); + return -ENOMEM; + } + + if (arg->max_size < size) + size = arg->max_size; + + bounce = vzalloc(size); + if (unlikely(bounce == NULL)) { + DRM_ERROR("Failed to allocate bounce buffer for 3D caps.\n"); + return -ENOMEM; + } + + ret = vmw_devcaps_copy(dev_priv, vmw_fp->gb_aware, bounce, size); + if (unlikely (ret != 0)) + goto out_err; + + ret = copy_to_user(buffer, bounce, size); + if (ret) + ret = -EFAULT; +out_err: + vfree(bounce); + + if (unlikely(ret != 0)) + DRM_ERROR("Failed to report 3D caps info.\n"); + + return ret; +} + +int vmw_present_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; + struct vmw_private *dev_priv = vmw_priv(dev); + struct drm_vmw_present_arg *arg = + (struct drm_vmw_present_arg *)data; + struct vmw_surface *surface; + struct drm_vmw_rect __user *clips_ptr; + struct drm_vmw_rect *clips = NULL; + struct drm_framebuffer *fb; + struct vmw_framebuffer *vfb; + struct vmw_resource *res; + uint32_t num_clips; + int ret; + + num_clips = arg->num_clips; + clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr; + + if (unlikely(num_clips == 0)) + return 0; + + if (clips_ptr == NULL) { + VMW_DEBUG_USER("Variable clips_ptr must be specified.\n"); + ret = -EINVAL; + goto out_clips; + } + + clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); + if (clips == NULL) { + DRM_ERROR("Failed to allocate clip rect list.\n"); + ret = -ENOMEM; + goto out_clips; + } + + ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips)); + if (ret) { + DRM_ERROR("Failed to copy clip rects from userspace.\n"); + ret = -EFAULT; + goto out_no_copy; + } + + drm_modeset_lock_all(dev); + + fb = drm_framebuffer_lookup(dev, file_priv, arg->fb_id); + if (!fb) { + VMW_DEBUG_USER("Invalid framebuffer id.\n"); + ret = -ENOENT; + goto out_no_fb; + } + vfb = vmw_framebuffer_to_vfb(fb); + + ret = vmw_user_resource_lookup_handle(dev_priv, tfile, arg->sid, + user_surface_converter, + &res); + if (ret) + goto out_no_surface; + + surface = vmw_res_to_srf(res); + ret = vmw_kms_present(dev_priv, file_priv, + vfb, surface, arg->sid, + arg->dest_x, arg->dest_y, + clips, num_clips); + + /* vmw_user_surface_lookup takes one ref so does new_fb */ + vmw_surface_unreference(&surface); + +out_no_surface: + drm_framebuffer_put(fb); +out_no_fb: + drm_modeset_unlock_all(dev); +out_no_copy: + kfree(clips); +out_clips: + return ret; +} + +int vmw_present_readback_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct vmw_private *dev_priv = vmw_priv(dev); + struct drm_vmw_present_readback_arg *arg = + (struct drm_vmw_present_readback_arg *)data; + struct drm_vmw_fence_rep __user *user_fence_rep = + (struct drm_vmw_fence_rep __user *) + (unsigned long)arg->fence_rep; + struct drm_vmw_rect __user *clips_ptr; + struct drm_vmw_rect *clips = NULL; + struct drm_framebuffer *fb; + struct vmw_framebuffer *vfb; + uint32_t num_clips; + int ret; + + num_clips = arg->num_clips; + clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr; + + if (unlikely(num_clips == 0)) + return 0; + + if (clips_ptr == NULL) { + VMW_DEBUG_USER("Argument clips_ptr must be specified.\n"); + ret = -EINVAL; + goto out_clips; + } + + clips = kcalloc(num_clips, sizeof(*clips), GFP_KERNEL); + if (clips == NULL) { + DRM_ERROR("Failed to allocate clip rect list.\n"); + ret = -ENOMEM; + goto out_clips; + } + + ret = copy_from_user(clips, clips_ptr, num_clips * sizeof(*clips)); + if (ret) { + DRM_ERROR("Failed to copy clip rects from userspace.\n"); + ret = -EFAULT; + goto out_no_copy; + } + + drm_modeset_lock_all(dev); + + fb = drm_framebuffer_lookup(dev, file_priv, arg->fb_id); + if (!fb) { + VMW_DEBUG_USER("Invalid framebuffer id.\n"); + ret = -ENOENT; + goto out_no_fb; + } + + vfb = vmw_framebuffer_to_vfb(fb); + if (!vfb->bo) { + VMW_DEBUG_USER("Framebuffer not buffer backed.\n"); + ret = -EINVAL; + goto out_no_ttm_lock; + } + + ret = vmw_kms_readback(dev_priv, file_priv, + vfb, user_fence_rep, + clips, num_clips); + +out_no_ttm_lock: + drm_framebuffer_put(fb); +out_no_fb: + drm_modeset_unlock_all(dev); +out_no_copy: + kfree(clips); +out_clips: + return ret; +} |