Lines Matching +full:write +full:- +full:to +full:- +full:read

1 What:		/sys/bus/platform/devices/dfl-port.0/id
5 Description:	Read-only. It returns id of this port. One DFL FPGA device
6 		may have more than one port. Userspace could use this id to
9 What:		/sys/bus/platform/devices/dfl-port.0/afu_id
13 Description:	Read-only. User can program different PR bitstreams to FPGA
15 		returns uuid which could be used to identify which PR bitstream
18 What:		/sys/bus/platform/devices/dfl-port.0/power_state
22 Description:	Read-only. It reports the APx (AFU Power) state, different APx
24 		returns "0" - Normal / "1" - AP1 / "2" - AP2 / "6" - AP6.
26 What:		/sys/bus/platform/devices/dfl-port.0/ap1_event
30 Description:	Read-write. Read this file for AP1 (AFU Power State 1) event.
31 		It's used to indicate transient AP1 state. Write 1 to this
32 		file to clear AP1 event.
34 What:		/sys/bus/platform/devices/dfl-port.0/ap2_event
38 Description:	Read-write. Read this file for AP2 (AFU Power State 2) event.
39 		It's used to indicate transient AP2 state. Write 1 to this
40 		file to clear AP2 event.
42 What:		/sys/bus/platform/devices/dfl-port.0/ltr
46 Description:	Read-write. Read or set AFU latency tolerance reporting value.
47 		Set ltr to 1 if the AFU can tolerate latency >= 40us or set it
48 		to 0 if it is latency sensitive.
50 What:		/sys/bus/platform/devices/dfl-port.0/userclk_freqcmd
54 Description:	Write-only. User writes command to this interface to set
55 		userclock to AFU.
57 What:		/sys/bus/platform/devices/dfl-port.0/userclk_freqsts
61 Description:	Read-only. Read this file to get the status of issued command
62 		to userclck_freqcmd.
64 What:		/sys/bus/platform/devices/dfl-port.0/userclk_freqcntrcmd
68 Description:	Write-only. User writes command to this interface to set
71 What:		/sys/bus/platform/devices/dfl-port.0/userclk_freqcntrsts
75 Description:	Read-only. Read this file to get the status of issued command
76 		to userclck_freqcntrcmd.
78 What:		/sys/bus/platform/devices/dfl-port.0/errors/errors
82 Description:	Read-Write. Read this file to get errors detected on port and
83 		Accelerated Function Unit (AFU). Write error code to this file
84 		to clear errors. Write fails with -EINVAL if input parsing
85 		fails or input error code doesn't match. Write fails with
86 		-EBUSY or -ETIMEDOUT if error can't be cleared as hardware
87 		in low power state (-EBUSY) or not respoding (-ETIMEDOUT).
89 What:		/sys/bus/platform/devices/dfl-port.0/errors/first_error
93 Description:	Read-only. Read this file to get the first error detected by
96 What:		/sys/bus/platform/devices/dfl-port.0/errors/first_malformed_req
100 Description:	Read-only. Read this file to get the first malformed request