Delete no-longer-needed nvgpu headersHEADmasterjbakita-wip

The dependency on these was removed in commit 8340d234.

1 files changed, 0 insertions, 269 deletions

diff --git a/include/os/linux/dmabuf_vidmem.c b/include/os/linux/dmabuf_vidmem.c
deleted file mode 100644
index bada5dc..0000000
--- a/include/os/linux/dmabuf_vidmem.c
+++ /dev/null
@@ -1,269 +0,0 @@
-/*
- * Copyright (c) 2017-2018, NVIDIA CORPORATION.  All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/dma-buf.h>
-#include <linux/version.h>
-#include <uapi/linux/nvgpu.h>
-
-#ifdef CONFIG_NVGPU_USE_TEGRA_ALLOC_FD
-#include <linux/platform/tegra/tegra_fd.h>
-#endif
-
-#include <nvgpu/dma.h>
-#include <nvgpu/enabled.h>
-#include <nvgpu/vidmem.h>
-#include <nvgpu/nvgpu_mem.h>
-#include <nvgpu/page_allocator.h>
-#include <nvgpu/gk20a.h>
-
-#include <nvgpu/linux/vm.h>
-#include <nvgpu/linux/dma.h>
-
-#include "gk20a/mm_gk20a.h"
-#include "dmabuf_vidmem.h"
-
-bool nvgpu_addr_is_vidmem_page_alloc(u64 addr)
-{
-        return !!(addr & 1ULL);
-}
-
-void nvgpu_vidmem_set_page_alloc(struct scatterlist *sgl, u64 addr)
-{
-        /* set bit 0 to indicate vidmem allocation */
-        sg_dma_address(sgl) = (addr | 1ULL);
-}
-
-struct nvgpu_page_alloc *nvgpu_vidmem_get_page_alloc(struct scatterlist *sgl)
-{
-        u64 addr;
-
-        addr = sg_dma_address(sgl);
-
-        if (nvgpu_addr_is_vidmem_page_alloc(addr))
-                addr = addr & ~1ULL;
-        else
-                WARN_ON(1);
-
-        return (struct nvgpu_page_alloc *)(uintptr_t)addr;
-}
-
-static struct sg_table *gk20a_vidbuf_map_dma_buf(
-        struct dma_buf_attachment *attach, enum dma_data_direction dir)
-{
-        struct nvgpu_vidmem_buf *buf = attach->dmabuf->priv;
-
-        return buf->mem->priv.sgt;
-}
-
-static void gk20a_vidbuf_unmap_dma_buf(struct dma_buf_attachment *attach,
-                                       struct sg_table *sgt,
-                                       enum dma_data_direction dir)
-{
-}
-
-static void gk20a_vidbuf_release(struct dma_buf *dmabuf)
-{
-        struct nvgpu_vidmem_buf *buf = dmabuf->priv;
-        struct nvgpu_vidmem_linux *linux_buf = buf->priv;
-        struct gk20a *g = buf->g;
-
-        vidmem_dbg(g, "Releasing Linux VIDMEM buf: dmabuf=0x%p size=%zuKB",
-                   dmabuf, buf->mem->size >> 10);
-
-        if (linux_buf && linux_buf->dmabuf_priv_delete)
-                linux_buf->dmabuf_priv_delete(linux_buf->dmabuf_priv);
-
-        nvgpu_kfree(g, linux_buf);
-        nvgpu_vidmem_buf_free(g, buf);
-
-        gk20a_put(g);
-}
-
-static void *gk20a_vidbuf_kmap(struct dma_buf *dmabuf, unsigned long page_num)
-{
-        WARN_ON("Not supported");
-        return NULL;
-}
-
-static void *gk20a_vidbuf_kmap_atomic(struct dma_buf *dmabuf,
-                                      unsigned long page_num)
-{
-        WARN_ON("Not supported");
-        return NULL;
-}
-
-static int gk20a_vidbuf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
-{
-        return -EINVAL;
-}
-
-static int gk20a_vidbuf_set_private(struct dma_buf *dmabuf,
-                struct device *dev, void *priv, void (*delete)(void *priv))
-{
-        struct nvgpu_vidmem_buf *buf = dmabuf->priv;
-        struct nvgpu_vidmem_linux *linux_buf = buf->priv;
-
-        linux_buf->dmabuf_priv = priv;
-        linux_buf->dmabuf_priv_delete = delete;
-
-        return 0;
-}
-
-static void *gk20a_vidbuf_get_private(struct dma_buf *dmabuf,
-                struct device *dev)
-{
-        struct nvgpu_vidmem_buf *buf = dmabuf->priv;
-        struct nvgpu_vidmem_linux *linux_buf = buf->priv;
-
-        return linux_buf->dmabuf_priv;
-}
-
-static const struct dma_buf_ops gk20a_vidbuf_ops = {
-        .map_dma_buf      = gk20a_vidbuf_map_dma_buf,
-        .unmap_dma_buf    = gk20a_vidbuf_unmap_dma_buf,
-        .release          = gk20a_vidbuf_release,
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
-        .map_atomic      = gk20a_vidbuf_kmap_atomic,
-        .map             = gk20a_vidbuf_kmap,
-#else
-        .kmap_atomic      = gk20a_vidbuf_kmap_atomic,
-        .kmap             = gk20a_vidbuf_kmap,
-#endif
-        .mmap             = gk20a_vidbuf_mmap,
-        .set_drvdata      = gk20a_vidbuf_set_private,
-        .get_drvdata      = gk20a_vidbuf_get_private,
-};
-
-static struct dma_buf *gk20a_vidbuf_export(struct nvgpu_vidmem_buf *buf)
-{
-        DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
-
-        exp_info.priv = buf;
-        exp_info.ops = &gk20a_vidbuf_ops;
-        exp_info.size = buf->mem->size;
-        exp_info.flags = O_RDWR;
-
-        return dma_buf_export(&exp_info);
-}
-
-struct gk20a *nvgpu_vidmem_buf_owner(struct dma_buf *dmabuf)
-{
-        struct nvgpu_vidmem_buf *buf = dmabuf->priv;
-
-        if (dmabuf->ops != &gk20a_vidbuf_ops)
-                return NULL;
-
-        return buf->g;
-}
-
-int nvgpu_vidmem_export_linux(struct gk20a *g, size_t bytes)
-{
-        struct nvgpu_vidmem_buf *buf = NULL;
-        struct nvgpu_vidmem_linux *priv;
-        int err, fd;
-
-        /*
-         * This ref is released when the dma_buf is closed.
-         */
-        if (!gk20a_get(g))
-                return -ENODEV;
-
-        vidmem_dbg(g, "Allocating vidmem buf: %zu bytes", bytes);
-
-        priv = nvgpu_kzalloc(g, sizeof(*priv));
-        if (!priv) {
-                err = -ENOMEM;
-                goto fail;
-        }
-
-        buf = nvgpu_vidmem_user_alloc(g, bytes);
-        if (IS_ERR(buf)) {
-                err = PTR_ERR(buf);
-                goto fail;
-        }
-
-        priv->dmabuf = gk20a_vidbuf_export(buf);
-        if (IS_ERR(priv->dmabuf)) {
-                err = PTR_ERR(priv->dmabuf);
-                goto fail;
-        }
-
-        buf->priv = priv;
-
-#ifdef CONFIG_NVGPU_USE_TEGRA_ALLOC_FD
-        fd = tegra_alloc_fd(current->files, 1024, O_RDWR);
-#else
-        fd = get_unused_fd_flags(O_RDWR);
-#endif
-        if (fd < 0) {
-                /* ->release frees what we have done */
-                dma_buf_put(priv->dmabuf);
-                return fd;
-        }
-
-        /* fclose() on this drops one ref, freeing the dma buf */
-        fd_install(fd, priv->dmabuf->file);
-
-        vidmem_dbg(g, "Alloced Linux VIDMEM buf: dmabuf=0x%p size=%zuKB",
-                   priv->dmabuf, buf->mem->size >> 10);
-
-        return fd;
-
-fail:
-        nvgpu_vidmem_buf_free(g, buf);
-        nvgpu_kfree(g, priv);
-        gk20a_put(g);
-
-        vidmem_dbg(g, "Failed to alloc Linux VIDMEM buf: %d", err);
-        return err;
-}
-
-int nvgpu_vidmem_buf_access_memory(struct gk20a *g, struct dma_buf *dmabuf,
-                void *buffer, u64 offset, u64 size, u32 cmd)
-{
-        struct nvgpu_vidmem_buf *vidmem_buf;
-        struct nvgpu_mem *mem;
-        int err = 0;
-
-        if (gk20a_dmabuf_aperture(g, dmabuf) != APERTURE_VIDMEM)
-                return -EINVAL;
-
-        vidmem_buf = dmabuf->priv;
-        mem = vidmem_buf->mem;
-
-        nvgpu_speculation_barrier();
-        switch (cmd) {
-        case NVGPU_DBG_GPU_IOCTL_ACCESS_FB_MEMORY_CMD_READ:
-                nvgpu_mem_rd_n(g, mem, offset, buffer, size);
-                break;
-
-        case NVGPU_DBG_GPU_IOCTL_ACCESS_FB_MEMORY_CMD_WRITE:
-                nvgpu_mem_wr_n(g, mem, offset, buffer, size);
-                break;
-
-        default:
-                err = -EINVAL;
-        }
-
-        return err;
-}
-
-void __nvgpu_mem_free_vidmem_alloc(struct gk20a *g, struct nvgpu_mem *vidmem)
-{
-        nvgpu_free(vidmem->allocator,
-                   (u64)nvgpu_vidmem_get_page_alloc(vidmem->priv.sgt->sgl));
-        nvgpu_free_sgtable(g, &vidmem->priv.sgt);
-}