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RDMA/qedr: Add support for read with invalidate, supported in iWARP

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iWARP supports read with invalidate. There is an assumption
that read with invalidate will only be called on an iWARP device

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Kalderon, Michal 2017-07-26 14:41:54 +03:00 committed by Doug Ledford
parent f5b1b1775b
commit fb1a22be9d
2 changed files with 7 additions and 7 deletions
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6
drivers/infiniband/hw/qedr/qedr_hsi_rdma.h
View File

@ -655,8 +655,10 @@ struct rdma_sq_rdma_wqe_1st {
#define RDMA_SQ_RDMA_WQE_1ST_INLINE_FLG_SHIFT 4
#define RDMA_SQ_RDMA_WQE_1ST_DIF_ON_HOST_FLG_MASK 0x1
#define RDMA_SQ_RDMA_WQE_1ST_DIF_ON_HOST_FLG_SHIFT 5
#define RDMA_SQ_RDMA_WQE_1ST_RESERVED0_MASK 0x3
#define RDMA_SQ_RDMA_WQE_1ST_RESERVED0_SHIFT 6
#define RDMA_SQ_RDMA_WQE_1ST_READ_INV_FLG_MASK 0x1
#define RDMA_SQ_RDMA_WQE_1ST_READ_INV_FLG_SHIFT 6
#define RDMA_SQ_RDMA_WQE_1ST_RESERVED0_MASK 0x1
#define RDMA_SQ_RDMA_WQE_1ST_RESERVED0_SHIFT 7
u8 wqe_size;
u8 prev_wqe_size;
};

8
drivers/infiniband/hw/qedr/verbs.c
View File

@ -2845,6 +2845,7 @@ static enum ib_wc_opcode qedr_ib_to_wc_opcode(enum ib_wr_opcode opcode)
case IB_WR_SEND_WITH_INV:
return IB_WC_SEND;
case IB_WR_RDMA_READ:
case IB_WR_RDMA_READ_WITH_INV:
return IB_WC_RDMA_READ;
case IB_WR_ATOMIC_CMP_AND_SWP:
return IB_WC_COMP_SWAP;
@ -3005,11 +3006,8 @@ static int __qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
qp->wqe_wr_id[qp->sq.prod].bytes_len = rwqe->length;
break;
case IB_WR_RDMA_READ_WITH_INV:
DP_ERR(dev,
"RDMA READ WITH INVALIDATE not supported\n");
*bad_wr = wr;
rc = -EINVAL;
break;
SET_FIELD2(wqe->flags, RDMA_SQ_RDMA_WQE_1ST_READ_INV_FLG, 1);
/* fallthrough... same is identical to RDMA READ */
case IB_WR_RDMA_READ:
wqe->req_type = RDMA_SQ_REQ_TYPE_RDMA_RD;