Messages in this thread Patch in this message | | | From | Oded Gabbay <> | Subject | [PATCH] habanalabs: add comments on INFO IOCTL | Date | Tue, 16 Jul 2019 12:02:18 +0300 |
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This patch adds some in-code documentation on the different opcodes of the INFO IOCTL.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> --- include/uapi/misc/habanalabs.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)
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 -- 2.17.1
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