From 139b2db7951ed0c808884cfebca02a884aebe0c3 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Wed, 16 Apr 2008 21:09:32 -0700 Subject: [PATCH] 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 . Signed-off-by: Roland Dreier --- drivers/infiniband/hw/amso1100/c2_qp.c | 22 +++++++++++++++------- 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 9190bd5..a6d8944 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 b1441aeb..9a054c6 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 *)); -- 2.7.4