https://github.com/torvalds/linux
Revision bfcaa39652bf64294261415e5fa18ef0445a4d74 authored by Logan Gunthorpe on 20 June 2016, 19:15:10 UTC, committed by Jon Mason on 05 August 2016, 14:21:07 UTC
In order to more successfully script with ntb_tool it's useful to have a link file to check the link status so that the script doesn't use the other files until the link is up. This commit adds a 'link' file to the debugfs directory which reads boolean (Y or N) depending on the link status. Writing to the file change the link state using ntb_link_enable or ntb_link_disable. A 'link_event' file is also provided so an application can block until the link changes to the desired state. If the user writes a 1, it will block until the link is up. If the user writes a 0, it will block until the link is down. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
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Tip revision: bfcaa39652bf64294261415e5fa18ef0445a4d74 authored by Logan Gunthorpe on 20 June 2016, 19:15:10 UTC
ntb_tool: Add link status and files to debugfs
ntb_tool: Add link status and files to debugfs
Tip revision: bfcaa39
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .get_maintainer.ignore | -rw-r--r-- | 31 bytes |
| .gitignore | -rw-r--r-- | 1.2 KB |
| .mailmap | -rw-r--r-- | 6.4 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 95.5 KB |
| Kbuild | -rw-r--r-- | 2.8 KB |
| Kconfig | -rw-r--r-- | 252 bytes |
| MAINTAINERS | -rw-r--r-- | 353.8 KB |
| Makefile | -rw-r--r-- | 56.0 KB |
| README | -rw-r--r-- | 18.1 KB |
| REPORTING-BUGS | -rw-r--r-- | 7.3 KB |
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