rdma/cxgb4: Fixes cxgb4 probe failure in VM when PF is exposed through PCI Passthrough

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Change logic which determines our Physical Function at PCI Probe time.
Now we read the PL_WHOAMI register and get the Physical Function.

Pass Physical Function to Upper Layer Drivers in lld_info structure in the
new field "pf" added to lld_info.  This is useful for the cases where the
PF, say PF4, is attached to a Virtual Machine via some form of "PCI
Pass Through" technology and the PCI Function shows up as PF0 in the VM.

Based on original work by Casey Leedom <leedom@chelsio.com>

Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Hariprasad Shenai 2014-06-27 19:23:47 +05:30 • committed by David S. Miller

parent 2eb27a16b5

commit 35b1de5579

3 changed files with 13 additions and 9 deletions

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3

drivers/infiniband/hw/cxgb4/cm.c

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18

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

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1

drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h

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