From f347fde22f1297e4f022600d201780d5ead78114 Mon Sep 17 00:00:00 2001 From: Joshua Bakita Date: Wed, 25 Sep 2024 16:09:09 -0400 Subject: Delete no-longer-needed nvgpu headers The dependency on these was removed in commit 8340d234. --- include/nvgpu/vidmem.h | 148 ------------------------------------------------- 1 file changed, 148 deletions(-) delete mode 100644 include/nvgpu/vidmem.h (limited to 'include/nvgpu/vidmem.h') diff --git a/include/nvgpu/vidmem.h b/include/nvgpu/vidmem.h deleted file mode 100644 index 4470232..0000000 --- a/include/nvgpu/vidmem.h +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved. - * - * 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, sublicense, - * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS 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. - */ - -#ifndef NVGPU_VIDMEM_H -#define NVGPU_VIDMEM_H - -#include -#include - -struct gk20a; -struct mm_gk20a; -struct nvgpu_mem; - -struct nvgpu_vidmem_buf { - /* - * Must be a pointer since control of this mem is passed over to the - * vidmem background clearing thread when the vidmem buf is freed. - */ - struct nvgpu_mem *mem; - - struct gk20a *g; - - /* - * Filled in by each OS - this holds the necessary data to export this - * buffer to userspace. This will eventually be replaced by a struct - * which shall be defined in the OS specific vidmem.h header file. - */ - void *priv; -}; - -#if defined(CONFIG_GK20A_VIDMEM) - -/** - * nvgpu_vidmem_user_alloc - Allocates a vidmem buffer for userspace - * - * @g - The GPU. - * @bytes - Size of the buffer in bytes. - * - * Allocate a generic (OS agnostic) vidmem buffer. This does not allocate the OS - * specific interfacing for userspace sharing. Instead is is expected that the - * OS specific code will allocate that OS specific data and add it to this - * buffer. - * - * The buffer allocated here is intended to use used by userspace, hence the - * extra struct over nvgpu_mem. If a vidmem buffer is needed by the kernel - * driver only then a simple nvgpu_dma_alloc_vid() or the like is sufficient. - * - * Returns a pointer to a vidmem buffer on success, 0 otherwise. - */ -struct nvgpu_vidmem_buf *nvgpu_vidmem_user_alloc(struct gk20a *g, size_t bytes); - -void nvgpu_vidmem_buf_free(struct gk20a *g, struct nvgpu_vidmem_buf *buf); - -int nvgpu_vidmem_clear_list_enqueue(struct gk20a *g, struct nvgpu_mem *mem); - -bool nvgpu_addr_is_vidmem_page_alloc(u64 addr); -int nvgpu_vidmem_get_space(struct gk20a *g, u64 *space); - -void nvgpu_vidmem_destroy(struct gk20a *g); -int nvgpu_vidmem_init(struct mm_gk20a *mm); - -int nvgpu_vidmem_clear(struct gk20a *g, struct nvgpu_mem *mem); - -void nvgpu_vidmem_thread_pause_sync(struct mm_gk20a *mm); -void nvgpu_vidmem_thread_unpause(struct mm_gk20a *mm); - -#else /* !defined(CONFIG_GK20A_VIDMEM) */ - -/* - * When VIDMEM support is not present this interface is used. - */ - -static inline bool nvgpu_addr_is_vidmem_page_alloc(u64 addr) -{ - return false; -} - -static inline int nvgpu_vidmem_buf_alloc(struct gk20a *g, size_t bytes) -{ - return -ENOSYS; -} - -static inline void nvgpu_vidmem_buf_free(struct gk20a *g, - struct nvgpu_vidmem_buf *buf) -{ -} - -static inline int nvgpu_vidmem_get_space(struct gk20a *g, u64 *space) -{ - return -ENOSYS; -} - -static inline void nvgpu_vidmem_destroy(struct gk20a *g) -{ -} - -static inline int nvgpu_vidmem_init(struct mm_gk20a *mm) -{ - return 0; -} - -static inline int nvgpu_vidmem_clear_all(struct gk20a *g) -{ - return -ENOSYS; -} - -static inline int nvgpu_vidmem_clear(struct gk20a *g, - struct nvgpu_mem *mem) -{ - return -ENOSYS; -} - -static inline void nvgpu_vidmem_thread_pause_sync(struct mm_gk20a *mm) -{ -} - -static inline void nvgpu_vidmem_thread_unpause(struct mm_gk20a *mm) -{ -} - -#endif /* !defined(CONFIG_GK20A_VIDMEM) */ - -/* - * Simple macro for VIDMEM debugging. - */ -#define vidmem_dbg(g, fmt, args...) \ - nvgpu_log(g, gpu_dbg_vidmem, fmt, ##args); \ - -#endif /* NVGPU_VIDMEM_H */ -- cgit v1.2.2