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en:pcie:hot-reset-linux [2019/04/16 23:02] alex |
en:pcie:hot-reset-linux [2020/04/29 07:58] alex |
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| I am not aware of any 'nice' method for triggering a hot reset (there is no sysfs entry for that). However, it is possible to use setpci to do so with the following script: | I am not aware of any 'nice' method for triggering a hot reset (there is no sysfs entry for that). However, it is possible to use setpci to do so with the following script: | ||
| - | <code sh> | + | <code bash> |
| #!/bin/bash | #!/bin/bash | ||
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| Ensure that all attached drivers are unloaded before running this script. This script will attempt to remove the PCIe device, then command the upstream switch port to issue a hot reset, then attempt to rescan the PCIe bus. This script has also only been tested on devices with a single function, so it may need some reworking for devices with multiple functions. | Ensure that all attached drivers are unloaded before running this script. This script will attempt to remove the PCIe device, then command the upstream switch port to issue a hot reset, then attempt to rescan the PCIe bus. This script has also only been tested on devices with a single function, so it may need some reworking for devices with multiple functions. | ||
| + | [[https://unix.stackexchange.com/a/474378/55879|Answer on Stack Exchange]] | ||