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| author | Tomer Tayar <ttayar@habana.ai> | 2020-03-31 22:46:36 +0300 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2020-05-19 14:48:41 +0300 |
| commit | 25e7aeba601c1776cd21d610e3afc8768d0c7f2e (patch) | |
| tree | 1a6c207adeafa3eebcca5627f1ef58e9705bbd8c /drivers/misc/habanalabs/habanalabs.h | |
| parent | ba7193c952f604a4e00a3f533d36733b47609e48 (diff) | |
| download | linux-25e7aeba601c1776cd21d610e3afc8768d0c7f2e.tar.xz | |
habanalabs: Add INFO IOCTL opcode for time sync information
Add a new opcode to the INFO IOCTL that retrieves the device time
alongside the host time, to allow a user application that want to measure
device time together with host time (such as a profiler) to synchronize
these times.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/misc/habanalabs/habanalabs.h')
| -rw-r--r-- | drivers/misc/habanalabs/habanalabs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index 8db955485609..a8ee241b2fce 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -554,6 +554,7 @@ enum hl_pll_frequency { * @load_firmware_to_device: load the firmware to the device's memory * @set_dma_mask_from_fw: set the DMA mask in the driver according to the * firmware configuration + * @get_device_time: Get the device time. */ struct hl_asic_funcs { int (*early_init)(struct hl_device *hdev); @@ -646,6 +647,7 @@ struct hl_asic_funcs { enum hl_fw_component fwc); int (*load_firmware_to_device)(struct hl_device *hdev); void (*set_dma_mask_from_fw)(struct hl_device *hdev); + u64 (*get_device_time)(struct hl_device *hdev); }; |