dri-devel.lists.freedesktop.org archive mirror
 help / color / mirror / Atom feed
From: Dave Airlie <airlied@gmail.com>
To: dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org
Subject: [PATCH libdrm 1/2] drm/amdgpu: add syncobj create/destroy/import/export apis
Date: Tue, 18 Jul 2017 10:48:31 +1000	[thread overview]
Message-ID: <20170718004832.21206-1-airlied@gmail.com> (raw)

From: Dave Airlie <airlied@redhat.com>

These are just wrappers using the amdgpu device handle.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 amdgpu/amdgpu.h    | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 amdgpu/amdgpu_cs.c | 38 +++++++++++++++++++++++++++++++++++++
 2 files changed, 92 insertions(+), 1 deletion(-)

diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 1901fa8..183f974 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1328,8 +1328,61 @@ int amdgpu_cs_destroy_semaphore(amdgpu_semaphore_handle sem);
 */
 const char *amdgpu_get_marketing_name(amdgpu_device_handle dev);
 
+/**
+ *  Create kernel sync object
+ *
+ * \param   dev	      - \c [in]  device handle
+ * \param   syncobj   - \c [out] sync object handle
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+*/
+int amdgpu_cs_create_syncobj(amdgpu_device_handle dev,
+			     uint32_t *syncobj);
+/**
+ *  Destroy kernel sync object
+ *
+ * \param   dev	    - \c [in] device handle
+ * \param   syncobj - \c [in] sync object handle
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+*/
+int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,
+			      uint32_t syncobj);
+
+/**
+ *  Export kernel sync object to shareable fd.
+ *
+ * \param   dev	       - \c [in] device handle
+ * \param   syncobj    - \c [in] sync object handle
+ * \param   shared_fd  - \c [out] shared file descriptor.
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+*/
+int amdgpu_cs_export_syncobj(amdgpu_device_handle dev,
+			     uint32_t syncobj,
+			     int *shared_fd);
+/**
+ *  Import kernel sync object from shareable fd.
+ *
+ * \param   dev	       - \c [in] device handle
+ * \param   shared_fd  - \c [in] shared file descriptor.
+ * \param   syncobj    - \c [out] sync object handle
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+*/
+int amdgpu_cs_import_syncobj(amdgpu_device_handle dev,
+			     int shared_fd,
+			     uint32_t *syncobj);
+
 #ifdef __cplusplus
 }
 #endif
-
 #endif /* #ifdef _AMDGPU_H_ */
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index 868eb7b..722fd75 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -596,3 +596,41 @@ int amdgpu_cs_destroy_semaphore(amdgpu_semaphore_handle sem)
 {
 	return amdgpu_cs_unreference_sem(sem);
 }
+
+int amdgpu_cs_create_syncobj(amdgpu_device_handle dev,
+			     uint32_t *handle)
+{
+	if (NULL == dev)
+		return -EINVAL;
+
+	return drmSyncobjCreate(dev->fd, 0, handle);
+}
+
+int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,
+			      uint32_t handle)
+{
+	if (NULL == dev)
+		return -EINVAL;
+
+	return drmSyncobjDestroy(dev->fd, handle);
+}
+
+int amdgpu_cs_export_syncobj(amdgpu_device_handle dev,
+			     uint32_t handle,
+			     int *shared_fd)
+{
+	if (NULL == dev)
+		return -EINVAL;
+
+	return drmSyncobjHandleToFD(dev->fd, handle, shared_fd);
+}
+
+int amdgpu_cs_import_syncobj(amdgpu_device_handle dev,
+			     int shared_fd,
+			     uint32_t *handle)
+{
+	if (NULL == dev)
+		return -EINVAL;
+
+	return drmSyncobjFDToHandle(dev->fd, shared_fd, handle);
+}
-- 
2.9.4

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

             reply	other threads:[~2017-07-18  0:48 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-18  0:48 Dave Airlie [this message]
     [not found] ` <20170718004832.21206-1-airlied-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-07-18  0:48   ` [PATCH libdrm 2/2] drm/amdgpu: add new low overhead command submission API Dave Airlie
2017-07-18 13:51     ` Christian König
2017-07-18  2:48   ` [PATCH libdrm 1/2] drm/amdgpu: add syncobj create/destroy/import/export apis zhoucm1
2017-07-18 13:49 ` Christian König

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170718004832.21206-1-airlied@gmail.com \
    --to=airlied@gmail.com \
    --cc=amd-gfx@lists.freedesktop.org \
    --cc=dri-devel@lists.freedesktop.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).