[ofa-general] [PATCH] libibverbs: add userspace support for invalidate stag
mhagen at iol.unh.edu
mhagen at iol.unh.edu
Thu May 17 07:59:40 PDT 2007
Modification to userspace verbs to provide support for the iWARP Verbs
SEND with INV and SEND with SE and INV.
Signed-off-by: Mikkel Hagen <mhagen at iol.unh.edu>
--- libibverbs/include/infiniband/verbs.h 2007-05-03 10:11:23.000000000 -0400
+++ libibverbs/include/infiniband/verbs.h 2007-05-03 10:12:32.000000000 -0400
@@ -492,7 +492,8 @@ enum ibv_send_flags {
IBV_SEND_FENCE = 1 << 0,
IBV_SEND_SIGNALED = 1 << 1,
IBV_SEND_SOLICITED = 1 << 2,
- IBV_SEND_INLINE = 1 << 3
+ IBV_SEND_INLINE = 1 << 3,
+ IBV_SEND_INVALIDATE = 1 << 4
};
struct ibv_sge {
@@ -525,6 +526,9 @@ struct ibv_send_wr {
uint32_t remote_qpn;
uint32_t remote_qkey;
} ud;
+ struct {
+ uint32_t rkey;
+ } invalidate;
} wr;
};
--- libibverbs/include/infiniband/kern-abi.h 2007-05-03 10:36:13.000000000
-0400
+++ libibverbs/include/infiniband/kern-abi.h 2007-05-03 10:37:39.000000000
-0400
@@ -592,6 +592,10 @@ struct ibv_kern_send_wr {
__u32 remote_qkey;
__u32 reserved;
} ud;
+ struct {
+ __u32 rkey;
+ __u32 reserved;
+ } invalidate;
} wr;
};
--- libibverbs/src/cmd.c 2007-05-02 05:00:25.000000000 -0400
+++ libibverbs/src/cmd.c 2007-05-04 15:19:36.000000000 -0400
@@ -857,6 +857,11 @@ int ibv_cmd_post_send(struct ibv_qp *ibq
tmp->wr.atomic.swap = i->wr.atomic.swap;
tmp->wr.atomic.rkey = i->wr.atomic.rkey;
break;
+ case IBV_WR_SEND:
+ if(tmp->send_flags & IBV_SEND_INVALIDATE) {
+ tmp->wr.invalidate.rkey =
+ i->wr.invalidate.rkey;
+ }
default:
break;
}
--
Mikkel Hagen
Project Assistant - Fibre Channel/SAS/SATA Consortiums
Research and Development Engineer - iWARP Consortium
FC/SAS/SATA:1-603-862-0701 iWARP:1-603-862-5083 Fax:1-603-862-4181
UNH-IOL
121 Technology Drive, Suite 2
Durham, NH 03824
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