1 What: /sys/class/rapidio_port 1 What: /sys/class/rapidio_port
2 Description: 2 Description:
3 On-chip RapidIO controllers an 3 On-chip RapidIO controllers and PCIe-to-RapidIO bridges
4 (referenced as "Master Port" o 4 (referenced as "Master Port" or "mport") are presented in sysfs
5 as the special class of device 5 as the special class of devices: "rapidio_port".
6 The /sys/class/rapidio_port su 6 The /sys/class/rapidio_port subdirectory contains individual
7 subdirectories named as "rapid 7 subdirectories named as "rapidioN" where N = mport ID registered
8 with RapidIO subsystem. 8 with RapidIO subsystem.
9 <<
10 NOTE: An mport ID is not a Rap 9 NOTE: An mport ID is not a RapidIO destination ID assigned to a
11 given local mport device. 10 given local mport device.
12 11
13 What: /sys/class/rapidio_port/rapidi !! 12 What: /sys/class/rapidio_port/rapidioN/sys_size
14 Date: Apr, 2014 13 Date: Apr, 2014
15 KernelVersion: v3.15 14 KernelVersion: v3.15
16 Contact: Matt Porter <mporter@kernel.cra 15 Contact: Matt Porter <mporter@kernel.crashing.org>,
17 Alexandre Bounine <alexandre.bo 16 Alexandre Bounine <alexandre.bounine@idt.com>
18 Description: 17 Description:
19 (RO) reports RapidIO common tr 18 (RO) reports RapidIO common transport system size:
20 <<
21 0 = small (8-bit destination I 19 0 = small (8-bit destination ID, max. 256 devices),
22 <<
23 1 = large (16-bit destination 20 1 = large (16-bit destination ID, max. 65536 devices).
24 21
25 What: /sys/class/rapidio_port/rapidi !! 22 What: /sys/class/rapidio_port/rapidioN/port_destid
26 Date: Apr, 2014 23 Date: Apr, 2014
27 KernelVersion: v3.15 24 KernelVersion: v3.15
28 Contact: Matt Porter <mporter@kernel.cra 25 Contact: Matt Porter <mporter@kernel.crashing.org>,
29 Alexandre Bounine <alexandre.bo 26 Alexandre Bounine <alexandre.bounine@idt.com>
30 Description: 27 Description:
31 !! 28 (RO) reports RapidIO destination ID assigned to the given
32 (RO) reports RapidIO destination ID assigned t !! 29 RapidIO mport device. If value 0xFFFFFFFF is returned this means
33 RapidIO mport device. If value 0xFFFFFFFF is r !! 30 that no valid destination ID have been assigned to the mport
34 that no valid destination ID have been assigne !! 31 (yet). Normally, before enumeration/discovery have been executed
35 (yet). Normally, before enumeration/discovery !! 32 only fabric enumerating mports have a valid destination ID
36 only fabric enumerating mports have a valid de !! 33 assigned to them using "hdid=..." rapidio module parameter.
37 assigned to them using "hdid=..." rapidio modu <<
38 34
39 After enumeration or discovery was performed f 35 After enumeration or discovery was performed for a given mport device,
40 the corresponding subdirectory will also conta 36 the corresponding subdirectory will also contain subdirectories for each
41 child RapidIO device connected to the mport. 37 child RapidIO device connected to the mport.
42 38
43 The example below shows mport device subdirect 39 The example below shows mport device subdirectory with several child RapidIO
44 devices attached to it:: !! 40 devices attached to it.
45 41
46 [rio@rapidio ~]$ ls /sys/class/rapidio_por !! 42 [rio@rapidio ~]$ ls /sys/class/rapidio_port/rapidio0/ -l
47 total 0 !! 43 total 0
48 drwxr-xr-x 3 root root 0 Feb 11 15:10 0 !! 44 drwxr-xr-x 3 root root 0 Feb 11 15:10 00:e:0001
49 drwxr-xr-x 3 root root 0 Feb 11 15:10 0 !! 45 drwxr-xr-x 3 root root 0 Feb 11 15:10 00:e:0004
50 drwxr-xr-x 3 root root 0 Feb 11 15:10 0 !! 46 drwxr-xr-x 3 root root 0 Feb 11 15:10 00:e:0007
51 drwxr-xr-x 3 root root 0 Feb 11 15:10 0 !! 47 drwxr-xr-x 3 root root 0 Feb 11 15:10 00:s:0002
52 drwxr-xr-x 3 root root 0 Feb 11 15:10 0 !! 48 drwxr-xr-x 3 root root 0 Feb 11 15:10 00:s:0003
53 drwxr-xr-x 3 root root 0 Feb 11 15:10 0 !! 49 drwxr-xr-x 3 root root 0 Feb 11 15:10 00:s:0005
54 lrwxrwxrwx 1 root root 0 Feb 11 15:11 d !! 50 lrwxrwxrwx 1 root root 0 Feb 11 15:11 device -> ../../../0000:01:00.0
55 -r--r--r-- 1 root root 4096 Feb 11 15:11 p !! 51 -r--r--r-- 1 root root 4096 Feb 11 15:11 port_destid
56 drwxr-xr-x 2 root root 0 Feb 11 15:11 p !! 52 drwxr-xr-x 2 root root 0 Feb 11 15:11 power
57 lrwxrwxrwx 1 root root 0 Feb 11 15:04 s !! 53 lrwxrwxrwx 1 root root 0 Feb 11 15:04 subsystem -> ../../../../../../class/rapidio_port
58 -r--r--r-- 1 root root 4096 Feb 11 15:11 s !! 54 -r--r--r-- 1 root root 4096 Feb 11 15:11 sys_size
59 -rw-r--r-- 1 root root 4096 Feb 11 15:04 u !! 55 -rw-r--r-- 1 root root 4096 Feb 11 15:04 uevent
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