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qed: Manage with less memory regions for RoCE

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It's possible some configurations would prevent driver from utilizing
all the Memory Regions due to a lack of ILT lines.
In such a case, calculate how many memory regions would have to be
dropped due to limit, and manage without those.

Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ram Amrani
2017-04-03 12:21:13 +03:00
committed by David S. Miller
parent 5f8cb033f4
commit f9dc4d1f0d
5 changed files with 125 additions and 38 deletions
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include/linux/qed/qed_if.h
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@@ -263,7 +263,6 @@ struct qed_rdma_pf_params {
* the doorbell BAR).
*/
u32 min_dpis; /* number of requested DPIs */
u32 num_mrs; /* number of requested memory regions */
u32 num_qps; /* number of requested Queue Pairs */
u32 num_srqs; /* number of requested SRQ */
u8 roce_edpm_mode; /* see QED_ROCE_EDPM_MODE_ENABLE */