Delete no-longer-needed nvgpu headersHEADmasterjbakita-wip

The dependency on these was removed in commit 8340d234.

1 files changed, 0 insertions, 219 deletions

diff --git a/include/os/linux/dmabuf.c b/include/os/linux/dmabuf.c
deleted file mode 100644
index e8e3313..0000000
--- a/include/os/linux/dmabuf.c
+++ /dev/null
@@ -1,219 +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/device.h>
-#include <linux/dma-buf.h>
-#include <linux/scatterlist.h>
-
-#include <nvgpu/comptags.h>
-#include <nvgpu/enabled.h>
-#include <nvgpu/gk20a.h>
-
-#include <nvgpu/linux/vm.h>
-
-#include "gk20a/fence_gk20a.h"
-
-#include "platform_gk20a.h"
-#include "dmabuf.h"
-#include "os_linux.h"
-#include "dmabuf_vidmem.h"
-
-static void gk20a_mm_delete_priv(void *_priv)
-{
-        struct gk20a_buffer_state *s, *s_tmp;
-        struct gk20a_dmabuf_priv *priv = _priv;
-        struct gk20a *g;
-
-        if (!priv)
-                return;
-
-        g = priv->g;
-
-        if (priv->comptags.allocated && priv->comptags.lines) {
-                BUG_ON(!priv->comptag_allocator);
-                gk20a_comptaglines_free(priv->comptag_allocator,
-                                priv->comptags.offset,
-                                priv->comptags.lines);
-        }
-
-        /* Free buffer states */
-        nvgpu_list_for_each_entry_safe(s, s_tmp, &priv->states,
-                                gk20a_buffer_state, list) {
-                gk20a_fence_put(s->fence);
-                nvgpu_list_del(&s->list);
-                nvgpu_kfree(g, s);
-        }
-
-        nvgpu_kfree(g, priv);
-}
-
-enum nvgpu_aperture gk20a_dmabuf_aperture(struct gk20a *g,
-                                          struct dma_buf *dmabuf)
-{
-        struct gk20a *buf_owner = nvgpu_vidmem_buf_owner(dmabuf);
-        bool unified_memory = nvgpu_is_enabled(g, NVGPU_MM_UNIFIED_MEMORY);
-
-        if (buf_owner == NULL) {
-                /* Not nvgpu-allocated, assume system memory */
-                return APERTURE_SYSMEM;
-        } else if (WARN_ON(buf_owner == g && unified_memory)) {
-                /* Looks like our video memory, but this gpu doesn't support
-                 * it. Warn about a bug and bail out */
-                nvgpu_warn(g,
-                        "dmabuf is our vidmem but we don't have local vidmem");
-                return APERTURE_INVALID;
-        } else if (buf_owner != g) {
-                /* Someone else's vidmem */
-                return APERTURE_INVALID;
-        } else {
-                /* Yay, buf_owner == g */
-                return APERTURE_VIDMEM;
-        }
-}
-
-struct sg_table *gk20a_mm_pin(struct device *dev, struct dma_buf *dmabuf,
-                              struct dma_buf_attachment **attachment)
-{
-        struct gk20a_dmabuf_priv *priv;
-
-        priv = dma_buf_get_drvdata(dmabuf, dev);
-        if (WARN_ON(!priv))
-                return ERR_PTR(-EINVAL);
-
-        nvgpu_mutex_acquire(&priv->lock);
-
-        if (priv->pin_count == 0) {
-                priv->attach = dma_buf_attach(dmabuf, dev);
-                if (IS_ERR(priv->attach)) {
-                        nvgpu_mutex_release(&priv->lock);
-                        return (struct sg_table *)priv->attach;
-                }
-
-                priv->sgt = dma_buf_map_attachment(priv->attach,
-                                                   DMA_BIDIRECTIONAL);
-                if (IS_ERR(priv->sgt)) {
-                        dma_buf_detach(dmabuf, priv->attach);
-                        nvgpu_mutex_release(&priv->lock);
-                        return priv->sgt;
-                }
-        }
-
-        priv->pin_count++;
-        nvgpu_mutex_release(&priv->lock);
-        *attachment = priv->attach;
-        return priv->sgt;
-}
-
-void gk20a_mm_unpin(struct device *dev, struct dma_buf *dmabuf,
-                    struct dma_buf_attachment *attachment,
-                    struct sg_table *sgt)
-{
-        struct gk20a_dmabuf_priv *priv = dma_buf_get_drvdata(dmabuf, dev);
-        dma_addr_t dma_addr;
-
-        if (IS_ERR(priv) || !priv)
-                return;
-
-        nvgpu_mutex_acquire(&priv->lock);
-        WARN_ON(priv->sgt != sgt);
-        WARN_ON(priv->attach != attachment);
-        priv->pin_count--;
-        WARN_ON(priv->pin_count < 0);
-        dma_addr = sg_dma_address(priv->sgt->sgl);
-        if (priv->pin_count == 0) {
-                dma_buf_unmap_attachment(priv->attach, priv->sgt,
-                                         DMA_BIDIRECTIONAL);
-                dma_buf_detach(dmabuf, priv->attach);
-        }
-        nvgpu_mutex_release(&priv->lock);
-}
-
-int gk20a_dmabuf_alloc_drvdata(struct dma_buf *dmabuf, struct device *dev)
-{
-        struct gk20a *g = gk20a_get_platform(dev)->g;
-        struct gk20a_dmabuf_priv *priv;
-
-        priv = dma_buf_get_drvdata(dmabuf, dev);
-        if (likely(priv))
-                return 0;
-
-        nvgpu_mutex_acquire(&g->mm.priv_lock);
-        priv = dma_buf_get_drvdata(dmabuf, dev);
-        if (priv)
-                goto priv_exist_or_err;
-
-        priv = nvgpu_kzalloc(g, sizeof(*priv));
-        if (!priv) {
-                priv = ERR_PTR(-ENOMEM);
-                goto priv_exist_or_err;
-        }
-
-        nvgpu_mutex_init(&priv->lock);
-        nvgpu_init_list_node(&priv->states);
-        priv->g = g;
-        dma_buf_set_drvdata(dmabuf, dev, priv, gk20a_mm_delete_priv);
-
-priv_exist_or_err:
-        nvgpu_mutex_release(&g->mm.priv_lock);
-        if (IS_ERR(priv))
-                return -ENOMEM;
-
-        return 0;
-}
-
-int gk20a_dmabuf_get_state(struct dma_buf *dmabuf, struct gk20a *g,
-                           u64 offset, struct gk20a_buffer_state **state)
-{
-        int err = 0;
-        struct gk20a_dmabuf_priv *priv;
-        struct gk20a_buffer_state *s;
-        struct device *dev = dev_from_gk20a(g);
-
-        if (WARN_ON(offset >= (u64)dmabuf->size))
-                return -EINVAL;
-
-        err = gk20a_dmabuf_alloc_drvdata(dmabuf, dev);
-        if (err)
-                return err;
-
-        priv = dma_buf_get_drvdata(dmabuf, dev);
-        if (WARN_ON(!priv))
-                return -ENOSYS;
-
-        nvgpu_mutex_acquire(&priv->lock);
-
-        nvgpu_list_for_each_entry(s, &priv->states, gk20a_buffer_state, list)
-                if (s->offset == offset)
-                        goto out;
-
-        /* State not found, create state. */
-        s = nvgpu_kzalloc(g, sizeof(*s));
-        if (!s) {
-                err = -ENOMEM;
-                goto out;
-        }
-
-        s->offset = offset;
-        nvgpu_init_list_node(&s->list);
-        nvgpu_mutex_init(&s->lock);
-        nvgpu_list_add_tail(&s->list, &priv->states);
-
-out:
-        nvgpu_mutex_release(&priv->lock);
-        if (!err)
-                *state = s;
-        return err;
-}