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author | Oded Gabbay <oded.gabbay@gmail.com> | 2019-07-16 08:55:04 +0300 |
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committer | Oded Gabbay <oded.gabbay@gmail.com> | 2019-09-05 14:55:25 +0300 |
commit | f388ec7c16ad8676ee516a735a6b7588252f971d (patch) | |
tree | d2dfe0686e39c9d3b78662ddacd63b451d60376f | |
parent | 68b8819daf8e7bee3b3ae504989000a29bef25ec (diff) | |
download | linux-f388ec7c16ad8676ee516a735a6b7588252f971d.tar.bz2 |
habanalabs: add comments on INFO IOCTL
This patch adds some in-code documentation on the different opcodes of the
INFO IOCTL.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: Omer Shpigelman <oshpigelman@habana.ai>
-rw-r--r-- | include/uapi/misc/habanalabs.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h index 3956c226ca35..a5a1d0e7ec82 100644 --- a/include/uapi/misc/habanalabs.h +++ b/include/uapi/misc/habanalabs.h @@ -75,7 +75,19 @@ enum hl_device_status { HL_DEVICE_STATUS_MALFUNCTION }; -/* Opcode for management ioctl */ +/* Opcode for management ioctl + * + * HW_IP_INFO - Receive information about different IP blocks in the + * device. + * HL_INFO_HW_EVENTS - Receive an array describing how many times each event + * occurred since the last hard reset. + * HL_INFO_DRAM_USAGE - Retrieve the dram usage inside the device and of the + * specific context. This is relevant only for GOYA device. + * HL_INFO_HW_IDLE - Retrieve information about the idle status of each + * internal engine. + * HL_INFO_DEVICE_STATUS - Retrieve the device's status. This opcode doesn't + * require an open context. + */ #define HL_INFO_HW_IP_INFO 0 #define HL_INFO_HW_EVENTS 1 #define HL_INFO_DRAM_USAGE 2 |