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Message-Id: <20220128083626.3012259-4-lucas.demarchi@intel.com>
Date: Fri, 28 Jan 2022 00:36:15 -0800
From: Lucas De Marchi <lucas.demarchi@...el.com>
To: linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc: srinivas.kandagatla@...aro.org, gregkh@...uxfoundation.org,
sumit.semwal@...aro.org, christian.koenig@....com,
daniel.vetter@...ll.ch, airlied@...ux.ie, lyude@...hat.com,
tzimmermann@...e.de, linux-media@...r.kernel.org,
nouveau@...ts.freedesktop.org
Subject: [PATCH 03/14] dma-buf: Replace dma-buf-map with iosys-map
iosys-map is the new name for dma-buf-map and will gain new
capabitilities. Replace with the new API.
Signed-off-by: Lucas De Marchi <lucas.demarchi@...el.com>
---
drivers/dma-buf/dma-buf.c | 22 +++++++++++-----------
drivers/dma-buf/heaps/cma_heap.c | 10 +++++-----
drivers/dma-buf/heaps/system_heap.c | 10 +++++-----
include/linux/dma-buf.h | 12 ++++++------
4 files changed, 27 insertions(+), 27 deletions(-)
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 602b12d7470d..df23239b04fc 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -1047,8 +1047,8 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_move_notify, DMA_BUF);
*
* Interfaces::
*
- * void \*dma_buf_vmap(struct dma_buf \*dmabuf, struct dma_buf_map \*map)
- * void dma_buf_vunmap(struct dma_buf \*dmabuf, struct dma_buf_map \*map)
+ * void \*dma_buf_vmap(struct dma_buf \*dmabuf, struct iosys_map \*map)
+ * void dma_buf_vunmap(struct dma_buf \*dmabuf, struct iosys_map \*map)
*
* The vmap call can fail if there is no vmap support in the exporter, or if
* it runs out of vmalloc space. Note that the dma-buf layer keeps a reference
@@ -1260,12 +1260,12 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_mmap, DMA_BUF);
*
* Returns 0 on success, or a negative errno code otherwise.
*/
-int dma_buf_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
- struct dma_buf_map ptr;
+ struct iosys_map ptr;
int ret = 0;
- dma_buf_map_clear(map);
+ iosys_map_clear(map);
if (WARN_ON(!dmabuf))
return -EINVAL;
@@ -1276,12 +1276,12 @@ int dma_buf_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
mutex_lock(&dmabuf->lock);
if (dmabuf->vmapping_counter) {
dmabuf->vmapping_counter++;
- BUG_ON(dma_buf_map_is_null(&dmabuf->vmap_ptr));
+ BUG_ON(iosys_map_is_null(&dmabuf->vmap_ptr));
*map = dmabuf->vmap_ptr;
goto out_unlock;
}
- BUG_ON(dma_buf_map_is_set(&dmabuf->vmap_ptr));
+ BUG_ON(iosys_map_is_set(&dmabuf->vmap_ptr));
ret = dmabuf->ops->vmap(dmabuf, &ptr);
if (WARN_ON_ONCE(ret))
@@ -1303,20 +1303,20 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_vmap, DMA_BUF);
* @dmabuf: [in] buffer to vunmap
* @map: [in] vmap pointer to vunmap
*/
-void dma_buf_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
if (WARN_ON(!dmabuf))
return;
- BUG_ON(dma_buf_map_is_null(&dmabuf->vmap_ptr));
+ BUG_ON(iosys_map_is_null(&dmabuf->vmap_ptr));
BUG_ON(dmabuf->vmapping_counter == 0);
- BUG_ON(!dma_buf_map_is_equal(&dmabuf->vmap_ptr, map));
+ BUG_ON(!iosys_map_is_equal(&dmabuf->vmap_ptr, map));
mutex_lock(&dmabuf->lock);
if (--dmabuf->vmapping_counter == 0) {
if (dmabuf->ops->vunmap)
dmabuf->ops->vunmap(dmabuf, map);
- dma_buf_map_clear(&dmabuf->vmap_ptr);
+ iosys_map_clear(&dmabuf->vmap_ptr);
}
mutex_unlock(&dmabuf->lock);
}
diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c
index 83f02bd51dda..28fb04eccdd0 100644
--- a/drivers/dma-buf/heaps/cma_heap.c
+++ b/drivers/dma-buf/heaps/cma_heap.c
@@ -202,7 +202,7 @@ static void *cma_heap_do_vmap(struct cma_heap_buffer *buffer)
return vaddr;
}
-static int cma_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+static int cma_heap_vmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
struct cma_heap_buffer *buffer = dmabuf->priv;
void *vaddr;
@@ -211,7 +211,7 @@ static int cma_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
mutex_lock(&buffer->lock);
if (buffer->vmap_cnt) {
buffer->vmap_cnt++;
- dma_buf_map_set_vaddr(map, buffer->vaddr);
+ iosys_map_set_vaddr(map, buffer->vaddr);
goto out;
}
@@ -222,14 +222,14 @@ static int cma_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
}
buffer->vaddr = vaddr;
buffer->vmap_cnt++;
- dma_buf_map_set_vaddr(map, buffer->vaddr);
+ iosys_map_set_vaddr(map, buffer->vaddr);
out:
mutex_unlock(&buffer->lock);
return ret;
}
-static void cma_heap_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+static void cma_heap_vunmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
struct cma_heap_buffer *buffer = dmabuf->priv;
@@ -239,7 +239,7 @@ static void cma_heap_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
buffer->vaddr = NULL;
}
mutex_unlock(&buffer->lock);
- dma_buf_map_clear(map);
+ iosys_map_clear(map);
}
static void cma_heap_dma_buf_release(struct dma_buf *dmabuf)
diff --git a/drivers/dma-buf/heaps/system_heap.c b/drivers/dma-buf/heaps/system_heap.c
index ab7fd896d2c4..fcf836ba9c1f 100644
--- a/drivers/dma-buf/heaps/system_heap.c
+++ b/drivers/dma-buf/heaps/system_heap.c
@@ -241,7 +241,7 @@ static void *system_heap_do_vmap(struct system_heap_buffer *buffer)
return vaddr;
}
-static int system_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+static int system_heap_vmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
struct system_heap_buffer *buffer = dmabuf->priv;
void *vaddr;
@@ -250,7 +250,7 @@ static int system_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
mutex_lock(&buffer->lock);
if (buffer->vmap_cnt) {
buffer->vmap_cnt++;
- dma_buf_map_set_vaddr(map, buffer->vaddr);
+ iosys_map_set_vaddr(map, buffer->vaddr);
goto out;
}
@@ -262,14 +262,14 @@ static int system_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
buffer->vaddr = vaddr;
buffer->vmap_cnt++;
- dma_buf_map_set_vaddr(map, buffer->vaddr);
+ iosys_map_set_vaddr(map, buffer->vaddr);
out:
mutex_unlock(&buffer->lock);
return ret;
}
-static void system_heap_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+static void system_heap_vunmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
struct system_heap_buffer *buffer = dmabuf->priv;
@@ -279,7 +279,7 @@ static void system_heap_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
buffer->vaddr = NULL;
}
mutex_unlock(&buffer->lock);
- dma_buf_map_clear(map);
+ iosys_map_clear(map);
}
static void system_heap_dma_buf_release(struct dma_buf *dmabuf)
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 7ab50076e7a6..2097760e8e95 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -13,7 +13,7 @@
#ifndef __DMA_BUF_H__
#define __DMA_BUF_H__
-#include <linux/dma-buf-map.h>
+#include <linux/iosys-map.h>
#include <linux/file.h>
#include <linux/err.h>
#include <linux/scatterlist.h>
@@ -283,8 +283,8 @@ struct dma_buf_ops {
*/
int (*mmap)(struct dma_buf *, struct vm_area_struct *vma);
- int (*vmap)(struct dma_buf *dmabuf, struct dma_buf_map *map);
- void (*vunmap)(struct dma_buf *dmabuf, struct dma_buf_map *map);
+ int (*vmap)(struct dma_buf *dmabuf, struct iosys_map *map);
+ void (*vunmap)(struct dma_buf *dmabuf, struct iosys_map *map);
};
/**
@@ -347,7 +347,7 @@ struct dma_buf {
* @vmap_ptr:
* The current vmap ptr if @vmapping_counter > 0. Protected by @lock.
*/
- struct dma_buf_map vmap_ptr;
+ struct iosys_map vmap_ptr;
/**
* @exp_name:
@@ -628,6 +628,6 @@ int dma_buf_end_cpu_access(struct dma_buf *dma_buf,
int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *,
unsigned long);
-int dma_buf_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map);
-void dma_buf_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map);
+int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map);
+void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map);
#endif /* __DMA_BUF_H__ */
--
2.35.0
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