| 1 | /*
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| 2 | * Copyright (C) 2017-2024 Oracle and/or its affiliates.
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| 3 | * This file is based on qxl_prime.c
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| 4 | * Copyright 2017 Canonical
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| 5 | *
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 7 | * copy of this software and associated documentation files (the "Software"),
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| 8 | * to deal in the Software without restriction, including without limitation
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| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 10 | * and/or sell copies of the Software, and to permit persons to whom the
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| 11 | * Software is furnished to do so, subject to the following conditions:
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| 12 | *
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| 13 | * The above copyright notice and this permission notice shall be included in
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| 14 | * all copies or substantial portions of the Software.
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| 15 | *
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 22 | * OTHER DEALINGS IN THE SOFTWARE.
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| 23 | *
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| 24 | * Authors: Andreas Pokorny
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| 25 | */
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| 26 |
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| 27 | #include "vbox_drv.h"
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| 28 |
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| 29 | /*
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| 30 | * Based on qxl_prime.c:
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| 31 | * Empty Implementations as there should not be any other driver for a virtual
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| 32 | * device that might share buffers with vboxvideo
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| 33 | */
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| 34 |
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| 35 | int vbox_gem_prime_pin(struct drm_gem_object *obj)
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| 36 | {
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| 37 | WARN_ONCE(1, "not implemented");
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| 38 | return -ENOSYS;
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| 39 | }
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| 40 |
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| 41 | void vbox_gem_prime_unpin(struct drm_gem_object *obj)
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| 42 | {
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| 43 | WARN_ONCE(1, "not implemented");
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| 44 | }
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| 45 |
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| 46 | struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj)
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| 47 | {
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| 48 | WARN_ONCE(1, "not implemented");
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| 49 | return ERR_PTR(-ENOSYS);
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| 50 | }
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| 51 |
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| 52 | #if RTLNX_VER_MAX(3,18,0) && !RTLNX_RHEL_MAJ_PREREQ(7,2)
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| 53 | struct drm_gem_object *vbox_gem_prime_import_sg_table(
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| 54 | struct drm_device *dev, size_t size, struct sg_table *table)
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| 55 | #else
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| 56 | struct drm_gem_object *vbox_gem_prime_import_sg_table(
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| 57 | struct drm_device *dev, struct dma_buf_attachment *attach,
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| 58 | struct sg_table *table)
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| 59 | #endif
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| 60 | {
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| 61 | WARN_ONCE(1, "not implemented");
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| 62 | return ERR_PTR(-ENOSYS);
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| 63 | }
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| 64 |
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| 65 | void *vbox_gem_prime_vmap(struct drm_gem_object *obj)
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| 66 | {
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| 67 | WARN_ONCE(1, "not implemented");
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| 68 | return ERR_PTR(-ENOSYS);
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| 69 | }
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| 70 |
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| 71 | void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
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| 72 | {
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| 73 | WARN_ONCE(1, "not implemented");
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| 74 | }
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| 75 |
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| 76 | #if RTLNX_VER_MAX(6,6,0) && !RTLNX_RHEL_RANGE(9,4, 9,99)
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| 77 | int vbox_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area)
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| 78 | {
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| 79 | WARN_ONCE(1, "not implemented");
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| 80 | return -ENOSYS;
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| 81 | }
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| 82 | #endif
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