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Commit 139b2db7 authored by Roland Dreier's avatar Roland Dreier
Browse files

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: default avatarRoland Dreier <rolandd@cisco.com>
parent 0f39cf3d

drivers/infiniband/hw/amso1100/c2_qp.c

+15 −7
Original line number Diff line number Diff line
@@ -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) {

		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);

				msg_size = sizeof(struct c2wr_send_req);

			} else {

				else

					c2_wr_set_id(&wr, C2_WR_TYPE_SEND);

				msg_size = sizeof(struct c2wr_send_req);

				wr.sqwr.send.remote_stag = 0;

			} else {

				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;

drivers/infiniband/hw/amso1100/c2_rnic.c

+2 −1
Original line number Diff line number Diff line
@@ -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 *));