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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>
This commit is contained in:
Roland Dreier 2008-04-16 21:09:32 -07:00
parent 0f39cf3d54
commit 139b2db795
2 changed files with 17 additions and 8 deletions
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22
drivers/infiniband/hw/amso1100/c2_qp.c
View File

@ -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;

3
drivers/infiniband/hw/amso1100/c2_rnic.c
View File

@ -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 *));