* [PATCH] habanalabs: remove the store jobs array from CS IOCTL
@ 2021-04-02 20:43 Oded Gabbay
0 siblings, 0 replies; only message in thread
From: Oded Gabbay @ 2021-04-02 20:43 UTC (permalink / raw)
To: linux-kernel
The store part was never implemented in the code and never been used
by the userspace applications.
We currently use the related parameters to a different purpose with
a defined union. However, there is no point in that and it is better
to just remove the union and the store parameters.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---
include/uapi/misc/habanalabs.h | 35 ++++++++++------------------------
1 file changed, 10 insertions(+), 25 deletions(-)
diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h
index 90798eaac728..d3e017b5f0db 100644
--- a/include/uapi/misc/habanalabs.h
+++ b/include/uapi/misc/habanalabs.h
@@ -644,17 +644,10 @@ struct hl_cs_in {
/* holds address of array of hl_cs_chunk for execution phase */
__u64 chunks_execute;
- union {
- /* this holds address of array of hl_cs_chunk for store phase -
- * Currently not in use
- */
- __u64 chunks_store;
-
- /* Sequence number of a staged submission CS
- * valid only if HL_CS_FLAGS_STAGED_SUBMISSION is set
- */
- __u64 seq;
- };
+ /* Sequence number of a staged submission CS
+ * valid only if HL_CS_FLAGS_STAGED_SUBMISSION is set
+ */
+ __u64 seq;
/* Number of chunks in restore phase array. Maximum number is
* HL_MAX_JOBS_PER_CS
@@ -666,18 +659,10 @@ struct hl_cs_in {
*/
__u32 num_chunks_execute;
- union {
- /* Number of chunks in restore phase array -
- * Currently not in use
- */
- __u32 num_chunks_store;
-
- /* timeout in seconds - valid only if HL_CS_FLAGS_CUSTOM_TIMEOUT
- * is set. this parameter is ignored in case of future multiple
- * users support.
- */
- __u32 timeout;
- };
+ /* timeout in seconds - valid only if HL_CS_FLAGS_CUSTOM_TIMEOUT
+ * is set
+ */
+ __u32 timeout;
/* HL_CS_FLAGS_* */
__u32 cs_flags;
@@ -1051,8 +1036,8 @@ struct hl_debug_args {
* Each JOB will be enqueued on a specific queue, according to the user's input.
* There can be more then one JOB per queue.
*
- * The CS IOCTL will receive three sets of JOBS. One set is for "restore" phase,
- * a second set is for "execution" phase and a third set is for "store" phase.
+ * The CS IOCTL will receive two sets of JOBS. One set is for "restore" phase
+ * and a second set is for "execution" phase.
* The JOBS on the "restore" phase are enqueued only after context-switch
* (or if its the first CS for this context). The user can also order the
* driver to run the "restore" phase explicitly
--
2.25.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2021-04-02 20:43 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-04-02 20:43 [PATCH] habanalabs: remove the store jobs array from CS IOCTL Oded Gabbay
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).