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2 Commits

Author SHA1 Message Date
Lee Trager
ecc53b1b46 eth: fbnic: Enable firmware logging 
The firmware log buffer is enabled during probe and freed during remove.
Early versions of firmware do not support sending logs. Once the mailbox is
up driver will enable logging when supported firmware versions are detected.
Logging is disabled before the mailbox is freed.

Signed-off-by: Lee Trager <lee@trager.us>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250702192207.697368-6-lee@trager.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-07-08 17:05:46 -07:00
Lee Trager
c2b93d6bec eth: fbnic: Create ring buffer for firmware logs 
When enabled, firmware may send logs messages which are specific to the
device and not the host. Create a ring buffer to store these messages
which are read by a user through DebugFS. Buffer access is protected by
a spinlock.

Signed-off-by: Lee Trager <lee@trager.us>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250702192207.697368-4-lee@trager.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-07-08 17:05:46 -07:00