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cxgbe(4): Add support for PPOD_EDRAM feature.

Description

cxgbe(4): Add support for PPOD_EDRAM feature.

The driver queries the firmware to find out if it supports this feature
and enables it if it does. The firmware moves the iSCSI page pod region
to a lower address so that some of it is located in the faster on-chip
memory instead of external DDR.

Reviewed by: jhb@
Sponsored by: Chelsio Communications
Differential Revision: https://reviews.freebsd.org/D34895

(cherry picked from commit 169e94c41e235191014503de06915b0c1b60db91)

Details

Provenance
npAuthored on Apr 14 2022, 10:43 PM
Differential Revision
D34895: cxgbe(4): Add support for PPOD_EDRAM feature.
Parents
rGa7a9dbe2fee9: cxgbe(4): Fix control flow issues reported by Coverity.
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