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habanalabs: add support for a long interrupt target value

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In order to avoid user target value wraparound, we modify the
current interface so user will be able to wait for an 8-byte
target value rather than a 4-byte value.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Ofir Bitton
2021-09-23 12:02:23 +03:00
committed by Oded Gabbay
parent 027d53b03c
commit d62b9a6976
2 changed files with 11 additions and 10 deletions
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13
include/uapi/misc/habanalabs.h
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@@ -897,11 +897,7 @@ struct hl_wait_cs_in {
*/
__u64 addr;
/* Target value for completion comparison */
__u32 target;
/* Absolute timeout to wait for interrupt
* in microseconds
*/
__u32 interrupt_timeout_us;
__u64 target;
};
};
@@ -917,7 +913,12 @@ struct hl_wait_cs_in {
/* Multi CS API info- valid entries in multi-CS array */
__u8 seq_arr_len;
__u8 pad[7];
__u8 pad[3];
/* Absolute timeout to wait for an interrupt in microseconds.
* Relevant only when HL_WAIT_CS_FLAGS_INTERRUPT is set
*/
__u32 interrupt_timeout_us;
};
#define HL_WAIT_CS_STATUS_COMPLETED 0