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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>
This commit is contained in:
Oded Gabbay 2019-11-10 16:08:26 +02:00
parent eda58bf786
commit 5d1012576d
2 changed files with 12 additions and 8 deletions
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4
drivers/misc/habanalabs/habanalabs.h
View File

@ -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.

16
include/uapi/misc/habanalabs.h
View File

@ -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;