IB/rdmavt: Use new driver specific post send table

Change rvt_post_one_wr to use the new table mechanism for
post send.

Validate that each low level driver specifies the table.

Reviewed-by: Jianxin Xiong <jianxin.xiong@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index d2b5b54..ebc37f5 100644 (file)
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1535,6 +1535,7 @@ static int rvt_post_one_wr(struct rvt_qp *qp,
        struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device);
        u8 log_pmtu;
        int ret;
+       size_t cplen;
 
        BUILD_BUG_ON(IB_QPT_MAX >= (sizeof(u32) * BITS_PER_BYTE));
 
@@ -1542,32 +1543,11 @@ static int rvt_post_one_wr(struct rvt_qp *qp,
        if (unlikely(wr->num_sge > qp->s_max_sge))
                return -EINVAL;
 
-       /*
-        * Don't allow RDMA reads or atomic operations on UC or
-        * undefined operations.
-        * Make sure buffer is large enough to hold the result for atomics.
-        */
-       if (qp->ibqp.qp_type == IB_QPT_UC) {
-               if ((unsigned)wr->opcode >= IB_WR_RDMA_READ)
-                       return -EINVAL;
-       } else if (qp->ibqp.qp_type != IB_QPT_RC) {
-               /* Check IB_QPT_SMI, IB_QPT_GSI, IB_QPT_UD opcode */
-               if (wr->opcode != IB_WR_SEND &&
-                   wr->opcode != IB_WR_SEND_WITH_IMM)
-                       return -EINVAL;
-               /* Check UD destination address PD */
-               if (qp->ibqp.pd != ud_wr(wr)->ah->pd)
-                       return -EINVAL;
-       } else if ((unsigned)wr->opcode > IB_WR_ATOMIC_FETCH_AND_ADD) {
-               return -EINVAL;
-       } else if (wr->opcode >= IB_WR_ATOMIC_CMP_AND_SWP &&
-                  (wr->num_sge == 0 ||
-                   wr->sg_list[0].length < sizeof(u64) ||
-                   wr->sg_list[0].addr & (sizeof(u64) - 1))) {
-               return -EINVAL;
-       } else if (wr->opcode >= IB_WR_RDMA_READ && !qp->s_max_rd_atomic) {
-               return -EINVAL;
-       }
+       ret = rvt_qp_valid_operation(qp, rdi->post_parms, wr);
+       if (ret < 0)
+               return ret;
+       cplen = ret;
+
        /* check for avail */
        if (unlikely(!qp->s_avail)) {
                qp->s_avail = qp_get_savail(qp);
@@ -1588,18 +1568,8 @@ static int rvt_post_one_wr(struct rvt_qp *qp,
        pd = ibpd_to_rvtpd(qp->ibqp.pd);
        wqe = rvt_get_swqe_ptr(qp, qp->s_head);
 
-       if (qp->ibqp.qp_type != IB_QPT_UC &&
-           qp->ibqp.qp_type != IB_QPT_RC)
-               memcpy(&wqe->ud_wr, ud_wr(wr), sizeof(wqe->ud_wr));
-       else if (wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM ||
-                wr->opcode == IB_WR_RDMA_WRITE ||
-                wr->opcode == IB_WR_RDMA_READ)
-               memcpy(&wqe->rdma_wr, rdma_wr(wr), sizeof(wqe->rdma_wr));
-       else if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP ||
-                wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD)
-               memcpy(&wqe->atomic_wr, atomic_wr(wr), sizeof(wqe->atomic_wr));
-       else
-               memcpy(&wqe->wr, wr, sizeof(wqe->wr));
+       /* cplen has length from above */
+       memcpy(&wqe->wr, wr, cplen);
 
        wqe->length = 0;
        j = 0;

diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c
index 30c4fda..89fe967 100644 (file)
--- a/drivers/infiniband/sw/rdmavt/vt.c
+++ b/drivers/infiniband/sw/rdmavt/vt.c
@@ -528,7 +528,8 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb)
                                                         post_send),
                                           rvt_post_send))
                        if (!rdi->driver_f.schedule_send ||
-                           !rdi->driver_f.do_send)
+                           !rdi->driver_f.do_send ||
+                           !rdi->post_parms)
                                return -EINVAL;
                break;