1 What: /sys/bus/cdx/rescan
2 Date: March 2023
3 Contact: nipun.gupta@amd.com
4 Description:
5 Writing y/1/on to this file wi
6 and devices on the CDX bus. An
7 added to the list of Linux dev
8 also deleted from Linux.
9
10 For example::
11
12 # echo 1 > /sys/bus/cdx/resc
13
14 What: /sys/bus/cdx/devices/.../vendo
15 Date: March 2023
16 Contact: nipun.gupta@amd.com
17 Description:
18 Vendor ID for this CDX device,
19 16 bit identifier which is spe
20 Combination of Vendor ID and D
21
22 What: /sys/bus/cdx/devices/.../devic
23 Date: March 2023
24 Contact: nipun.gupta@amd.com
25 Description:
26 Device ID for this CDX device,
27 16 bit identifier to identify
28 of a device manufacturer.
29 Combination of Vendor ID and D
30
31 What: /sys/bus/cdx/devices/.../subsy
32 Date: July 2023
33 Contact: puneet.gupta@amd.com
34 Description:
35 Subsystem Vendor ID for this C
36 Subsystem Vendor ID is 16 bit
37 card manufacturer.
38
39 What: /sys/bus/cdx/devices/.../subsy
40 Date: July 2023
41 Contact: puneet.gupta@amd.com
42 Description:
43 Subsystem Device ID for this C
44 Subsystem Device ID is 16 bit
45 card manufacturer.
46
47 What: /sys/bus/cdx/devices/.../class
48 Date: July 2023
49 Contact: puneet.gupta@amd.com
50 Description:
51 This file contains the class o
52 Class is 24 bit identifier spe
53
54 What: /sys/bus/cdx/devices/.../revis
55 Date: July 2023
56 Contact: puneet.gupta@amd.com
57 Description:
58 This file contains the revisio
59 Revision is 8 bit revision ide
60
61 What: /sys/bus/cdx/devices/.../enabl
62 Date: October 2023
63 Contact: abhijit.gangurde@amd.com
64 Description:
65 CDX bus should be disabled bef
66 Writing n/0/off will attempt t
67 writing y/1/on will attempt to
68 gives the current state of the
69
70 For example::
71
72 # echo 1 > /sys/bus/cdx/.../
73
74 What: /sys/bus/cdx/devices/.../reset
75 Date: March 2023
76 Contact: nipun.gupta@amd.com
77 Description:
78 Writing y/1/on to this file re
79 on the bus. On resetting the d
80 notified twice, once before th
81 after the reset has been compl
82
83 For example::
84
85 # echo 1 > /sys/bus/cdx/.../
86
87 What: /sys/bus/cdx/devices/.../remov
88 Date: March 2023
89 Contact: tarak.reddy@amd.com
90 Description:
91 Writing y/1/on to this file re
92 device from the CDX bus. If th
93 reconfigured in the Hardware,
94 that the device driver does no
95 being reconfigured.
96
97 For example::
98
99 # echo 1 > /sys/bus/cdx/devi
100
101 What: /sys/bus/cdx/devices/.../resou
102 Date: July 2023
103 Contact: puneet.gupta@amd.com
104 Description:
105 The resource binary file conta
106 regions. These files can be m'
107
108 What: /sys/bus/cdx/devices/.../modal
109 Date: July 2023
110 Contact: nipun.gupta@amd.com
111 Description:
112 This attribute indicates the C
113 That is in the format:
114 cdx:vXXXXdXXXXsvXXXXsdXXXXcXXX
115 where:
116
117 - vXXXX contains the vendo
118 - dXXXX contains the devic
119 - svXXXX contains the subs
120 - sdXXXX contains the subs
121 - cXXXXXX contains the dev
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.