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Vladimir Sokolovsky 2d92865158 mlx4_core: Use MOD_STAT_CFG command to get minimal page size ... There was a bug in some versions of the mlx4 driver in mlx4_alloc_fmr(), which hardcoded the minimum acceptable page_shift to be 12. However, new ConnectX firmware can support a minimum page_shift of 9 (log_pg_sz of 9 returned by QUERY_DEV_LIM) -- so with old drivers, ib_fmr_alloc() would fail for ULPs using the device minimum when creating FMRs. To preserve firmware compatibility with released mlx4 drivers, the firmware will continue to return 12 as before for log_page_sz in QUERY_DEV_CAP for these drivers. However, to enable new drivers to take advantage of the available smaller page size, the mlx4 driver now first sets the log_pg_sz to the device minimum by setting a log_page_sz value to 0 via the MOD_STAT_CFG command and then reading the real minimum via QUERY_DEV_CAP. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>		17 years ago
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Makefile	…
alloc.c	…
catas.c	…
cmd.c	…
cq.c	…
eq.c	…
fw.c	mlx4_core: Use MOD_STAT_CFG command to get minimal page size	17 years ago
fw.h	mlx4_core: Use MOD_STAT_CFG command to get minimal page size	17 years ago
icm.c	…
icm.h	…
intf.c	…
main.c	mlx4_core: Use MOD_STAT_CFG command to get minimal page size	17 years ago
mcg.c	IB/mlx4: Add support for blocking multicast loopback packets	17 years ago
mlx4.h	…
mr.c	mlx4_core: Support creation of FMRs with pages smaller than 4K	17 years ago
pd.c	…
profile.c	…
qp.c	…
reset.c	…
srq.c	…