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| author | Oded Gabbay <oded.gabbay@gmail.com> | 2019-11-10 17:08:26 +0300 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2019-11-21 12:35:46 +0300 |
| commit | 5d1012576d20dd7cb70e00ea1b4c2af11a6c9156 (patch) | |
| tree | a3ce6386df0af6b8ca80864097d013ead0289bba /include/uapi/misc | |
| parent | eda58bf7860a028f207e8d4201d86191b898bbee (diff) | |
| download | linux-5d1012576d20dd7cb70e00ea1b4c2af11a6c9156.tar.xz | |
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>
Diffstat (limited to 'include/uapi/misc')
| -rw-r--r-- | include/uapi/misc/habanalabs.h | 16 |
1 files changed, 12 insertions, 4 deletions
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; |