1What: /sys/bus/cdx/rescan 2Date: March 2023 3Contact: nipun.gupta@amd.com 4Description: 5 Writing y/1/on to this file will cause rescan of the bus 6 and devices on the CDX bus. Any new devices are scanned and 7 added to the list of Linux devices and any devices removed are 8 also deleted from Linux. 9 10 For example:: 11 12 # echo 1 > /sys/bus/cdx/rescan 13 14What: /sys/bus/cdx/devices/.../vendor 15Date: March 2023 16Contact: nipun.gupta@amd.com 17Description: 18 Vendor ID for this CDX device, in hexadecimal. Vendor ID is 19 16 bit identifier which is specific to the device manufacturer. 20 Combination of Vendor ID and Device ID identifies a device. 21 22What: /sys/bus/cdx/devices/.../device 23Date: March 2023 24Contact: nipun.gupta@amd.com 25Description: 26 Device ID for this CDX device, in hexadecimal. Device ID is 27 16 bit identifier to identify a device type within the range 28 of a device manufacturer. 29 Combination of Vendor ID and Device ID identifies a device. 30 31What: /sys/bus/cdx/devices/.../reset 32Date: March 2023 33Contact: nipun.gupta@amd.com 34Description: 35 Writing y/1/on to this file resets the CDX device. 36 On resetting the device, the corresponding driver is notified 37 twice, once before the device is being reset, and again after 38 the reset has been complete. 39 40 For example:: 41 42 # echo 1 > /sys/bus/cdx/.../reset 43 44What: /sys/bus/cdx/devices/.../remove 45Date: March 2023 46Contact: tarak.reddy@amd.com 47Description: 48 Writing y/1/on to this file removes the corresponding 49 device from the CDX bus. If the device is to be reconfigured 50 reconfigured in the Hardware, the device can be removed, so 51 that the device driver does not access the device while it is 52 being reconfigured. 53 54 For example:: 55 56 # echo 1 > /sys/bus/cdx/devices/.../remove 57