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| author | Roland Dreier <rolandd@cisco.com> | 2008-04-16 21:09:32 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-04-16 21:09:32 -0700 |
| commit | 139b2db7951ed0c808884cfebca02a884aebe0c3 (patch) | |
| tree | df4a799be1302f4776db9b612d38e0c1ca8eab79 /drivers/infiniband/hw/amso1100 | |
| parent | 0f39cf3d54e67a705773fd0ec56ca3dcd3e9272f (diff) | |
| download | linux-stable-139b2db7951ed0c808884cfebca02a884aebe0c3.tar.gz linux-stable-139b2db7951ed0c808884cfebca02a884aebe0c3.tar.bz2 linux-stable-139b2db7951ed0c808884cfebca02a884aebe0c3.zip | |
RDMA/amso1100: Add support for "send with invalidate" work requests
Handle IB_WR_SEND_WITH_INV work requests.
This resurrects a patch sent long ago by Mikkel Hagen <mhagen@iol.unh.edu>.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/amso1100')
| -rw-r--r-- | drivers/infiniband/hw/amso1100/c2_qp.c | 22 | ||||
| -rw-r--r-- | drivers/infiniband/hw/amso1100/c2_rnic.c | 3 |
2 files changed, 17 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2_qp.c b/drivers/infiniband/hw/amso1100/c2_qp.c index 9190bd52f51f..a6d89440ad2c 100644 --- a/drivers/infiniband/hw/amso1100/c2_qp.c +++ b/drivers/infiniband/hw/amso1100/c2_qp.c @@ -811,16 +811,24 @@ int c2_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr, switch (ib_wr->opcode) { case IB_WR_SEND: - if (ib_wr->send_flags & IB_SEND_SOLICITED) { - c2_wr_set_id(&wr, C2_WR_TYPE_SEND_SE); - msg_size = sizeof(struct c2wr_send_req); + case IB_WR_SEND_WITH_INV: + if (ib_wr->opcode == IB_WR_SEND) { + if (ib_wr->send_flags & IB_SEND_SOLICITED) + c2_wr_set_id(&wr, C2_WR_TYPE_SEND_SE); + else + c2_wr_set_id(&wr, C2_WR_TYPE_SEND); + wr.sqwr.send.remote_stag = 0; } else { - c2_wr_set_id(&wr, C2_WR_TYPE_SEND); - msg_size = sizeof(struct c2wr_send_req); + if (ib_wr->send_flags & IB_SEND_SOLICITED) + c2_wr_set_id(&wr, C2_WR_TYPE_SEND_SE_INV); + else + c2_wr_set_id(&wr, C2_WR_TYPE_SEND_INV); + wr.sqwr.send.remote_stag = + cpu_to_be32(ib_wr->ex.invalidate_rkey); } - wr.sqwr.send.remote_stag = 0; - msg_size += sizeof(struct c2_data_addr) * ib_wr->num_sge; + msg_size = sizeof(struct c2wr_send_req) + + sizeof(struct c2_data_addr) * ib_wr->num_sge; if (ib_wr->num_sge > qp->send_sgl_depth) { err = -EINVAL; break; diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c index b1441aeb60c2..9a054c6941a4 100644 --- a/drivers/infiniband/hw/amso1100/c2_rnic.c +++ b/drivers/infiniband/hw/amso1100/c2_rnic.c @@ -455,7 +455,8 @@ int __devinit c2_rnic_init(struct c2_dev *c2dev) IB_DEVICE_CURR_QP_STATE_MOD | IB_DEVICE_SYS_IMAGE_GUID | IB_DEVICE_ZERO_STAG | - IB_DEVICE_MEM_WINDOW); + IB_DEVICE_MEM_WINDOW | + IB_DEVICE_SEND_W_INV); /* Allocate the qptr_array */ c2dev->qptr_array = vmalloc(C2_MAX_CQS * sizeof(void *)); |