Roland Dreier wrote:
I don't know if we want a new API or just a new field in struct
ib_device. We already have the ZERO_STAG capability flag to show when
this makes sense (and we could rename it to be more transport neutral),
and we could just add a local_lkey field, since the value is fixed at
device initialization time.
- R.
like this?
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 74c24b9..2155a33 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -91,7 +91,7 @@ enum ib_device_cap_flags {
IB_DEVICE_RC_RNR_NAK_GEN = (1<<12),
IB_DEVICE_SRQ_RESIZE = (1<<13),
IB_DEVICE_N_NOTIFY_CQ = (1<<14),
- IB_DEVICE_ZERO_STAG = (1<<15),
+ IB_DEVICE_LOCAL_DMA_LKEY = (1<<15),
IB_DEVICE_RESERVED = (1<<16), /* old SEND_W_INV */
IB_DEVICE_MEM_WINDOW = (1<<17),
/*
@@ -1096,6 +1096,7 @@ struct ib_device {
__be64 node_guid;
u8 node_type;
u8 phys_port_cnt;
+ u32 local_dma_lkey;
};
struct ib_client {
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