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authorOded Gabbay <oded.gabbay@gmail.com>2019-11-10 16:08:26 +0200
committerOded Gabbay <oded.gabbay@gmail.com>2019-11-21 11:35:46 +0200
commit5d1012576d20dd7cb70e00ea1b4c2af11a6c9156 (patch)
treea3ce6386df0af6b8ca80864097d013ead0289bba
parenteda58bf7860a028f207e8d4201d86191b898bbee (diff)
habanalabs: export uapi defines to user-space
The two defines that control the maximum size of a command buffer and the maximum number of JOBS per CS need to be exported to the user as they are part of the API towards user-space. Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> Reviewed-by: Omer Shpigelman <oshpigelman@habana.ai>
-rw-r--r--drivers/misc/habanalabs/habanalabs.h4
-rw-r--r--include/uapi/misc/habanalabs.h16
2 files changed, 12 insertions, 8 deletions
diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h
index 0813041f669a..2a5344cc1a60 100644
--- a/drivers/misc/habanalabs/habanalabs.h
+++ b/drivers/misc/habanalabs/habanalabs.h
@@ -40,8 +40,6 @@
#define HL_MAX_QUEUES 128
-#define HL_MAX_JOBS_PER_CS 512
-
/* MUST BE POWER OF 2 and larger than 1 */
#define HL_MAX_PENDING_CS 64
@@ -242,8 +240,6 @@ struct hl_dma_fence {
* Command Buffers
*/
-#define HL_MAX_CB_SIZE 0x200000 /* 2MB */
-
/**
* struct hl_cb_mgr - describes a Command Buffer Manager.
* @cb_lock: protects cb_handles.
diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h
index e387d9e560b3..716e70750f23 100644
--- a/include/uapi/misc/habanalabs.h
+++ b/include/uapi/misc/habanalabs.h
@@ -192,13 +192,15 @@ struct hl_info_args {
/* Opcode to destroy previously created command buffer */
#define HL_CB_OP_DESTROY 1
+#define HL_MAX_CB_SIZE 0x200000 /* 2MB */
+
struct hl_cb_in {
/* Handle of CB or 0 if we want to create one */
__u64 cb_handle;
/* HL_CB_OP_* */
__u32 op;
- /* Size of CB. Maximum size is 2MB. The minimum size that will be
- * allocated, regardless of this parameter's value, is PAGE_SIZE
+ /* Size of CB. Maximum size is HL_MAX_CB_SIZE. The minimum size that
+ * will be allocated, regardless of this parameter's value, is PAGE_SIZE
*/
__u32 cb_size;
/* Context ID - Currently not in use */
@@ -244,6 +246,8 @@ struct hl_cs_chunk {
#define HL_CS_STATUS_SUCCESS 0
+#define HL_MAX_JOBS_PER_CS 512
+
struct hl_cs_in {
/* this holds address of array of hl_cs_chunk for restore phase */
__u64 chunks_restore;
@@ -253,9 +257,13 @@ struct hl_cs_in {
* Currently not in use
*/
__u64 chunks_store;
- /* Number of chunks in restore phase array */
+ /* Number of chunks in restore phase array. Maximum number is
+ * HL_MAX_JOBS_PER_CS
+ */
__u32 num_chunks_restore;
- /* Number of chunks in execution array */
+ /* Number of chunks in execution array. Maximum number is
+ * HL_MAX_JOBS_PER_CS
+ */
__u32 num_chunks_execute;
/* Number of chunks in restore phase array - Currently not in use */
__u32 num_chunks_store;