diff options
author | Maarten Lankhorst <maarten.lankhorst@canonical.com> | 2014-07-01 12:57:43 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-08 13:36:52 -0700 |
commit | 9b495a5887994a6d74d5c261d012083a92b94738 (patch) | |
tree | 513e525cdc0bbce66f76632058bf6379c368184e /include/linux/dma-buf.h | |
parent | 0ba6b8fb91fc051535c7612f6241c8197d92323b (diff) |
dma-buf: add poll support, v3
Thanks to Fengguang Wu for spotting a missing static cast.
v2:
- Kill unused variable need_shared.
v3:
- Clarify the BUG() in dma_buf_release some more. (Rob Clark)
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/dma-buf.h')
-rw-r--r-- | include/linux/dma-buf.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index fd7def2e0ae..694e1fe1c4b 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -30,6 +30,8 @@ #include <linux/list.h> #include <linux/dma-mapping.h> #include <linux/fs.h> +#include <linux/fence.h> +#include <linux/wait.h> struct device; struct dma_buf; @@ -130,6 +132,16 @@ struct dma_buf { struct list_head list_node; void *priv; struct reservation_object *resv; + + /* poll support */ + wait_queue_head_t poll; + + struct dma_buf_poll_cb_t { + struct fence_cb cb; + wait_queue_head_t *poll; + + unsigned long active; + } cb_excl, cb_shared; }; /** |