From f388ec7c16ad8676ee516a735a6b7588252f971d Mon Sep 17 00:00:00 2001 From: Oded Gabbay Date: Tue, 16 Jul 2019 08:55:04 +0300 Subject: 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 Reviewed-by: Omer Shpigelman --- include/uapi/misc/habanalabs.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'include/uapi/misc') 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 -- cgit v1.2.3