RDMA/cxgb4: Advertise ~0ULL as max MR size

Lustre uses a advertised max MR size of ~0ULL to indicate it should
use a dma_mr.  Hence advertise max MR size as ~0ULL.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index 1272dfe056f5006d1a7b07d0db83962ef02cfe8c..e73ace739183a9864ab8fee70e374cdc9ce0d178 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -47,7 +47,7 @@
 #define T4_MAX_QP_DEPTH (T4_MAX_RQ_SIZE - 1)
 #define T4_MAX_CQ_DEPTH (T4_MAX_IQ_SIZE - 1)
 #define T4_MAX_NUM_STAG (1<<15)
-#define T4_MAX_MR_SIZE (~0ULL - 1)
+#define T4_MAX_MR_SIZE (~0ULL)
 #define T4_PAGESIZE_MASK 0xffff000  /* 4KB-128MB */
 #define T4_STAG_UNSET 0xffffffff
 #define T4_FW_MAJ 0