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