From 96f15c03532282366364ecfd20f04e49b5d96f3a Mon Sep 17 00:00:00 2001 From: Steve Wise Date: Mon, 14 Jul 2008 23:48:53 -0700 Subject: RDMA/core: Add local DMA L_Key support - Change the IB_DEVICE_ZERO_STAG flag to the transport-neutral name IB_DEVICE_LOCAL_DMA_LKEY, which is used by iWARP RNICs to indicate 0 STag support and IB HCAs to indicate reserved L_Key support. - Add a u32 local_dma_lkey member to struct ib_device. Drivers fill this in with the appropriate local DMA L_Key (if they support it). - Fix up the drivers using this flag. Signed-off-by: Steve Wise Signed-off-by: Roland Dreier --- include/rdma/ib_verbs.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include/rdma') diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 07b41e05565..90b529f7a15 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), /* @@ -1149,6 +1149,7 @@ struct ib_device { char node_desc[64]; __be64 node_guid; + u32 local_dma_lkey; u8 node_type; u8 phys_port_cnt; }; -- cgit v1.2.3-70-g09d2