* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
- *
- * $Id: mthca_qp.c 1355 2004-12-17 15:23:43Z roland $
*/
#include <linux/string.h>
int mthca_state;
u8 status;
+ mutex_lock(&qp->mutex);
+
if (qp->state == IB_QPS_RESET) {
qp_attr->qp_state = IB_QPS_RESET;
goto done;
}
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
- if (IS_ERR(mailbox))
- return PTR_ERR(mailbox);
+ if (IS_ERR(mailbox)) {
+ err = PTR_ERR(mailbox);
+ goto out;
+ }
err = mthca_QUERY_QP(dev, qp->qpn, 0, mailbox, &status);
if (err)
- goto out;
+ goto out_mailbox;
if (status) {
mthca_warn(dev, "QUERY_QP returned status %02x\n", status);
err = -EINVAL;
- goto out;
+ goto out_mailbox;
}
qp_param = mailbox->buf;
context = &qp_param->context;
mthca_state = be32_to_cpu(context->flags) >> 28;
- qp_attr->qp_state = to_ib_qp_state(mthca_state);
+ qp->state = to_ib_qp_state(mthca_state);
+ qp_attr->qp_state = qp->state;
qp_attr->path_mtu = context->mtu_msgmax >> 5;
qp_attr->path_mig_state =
to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3);
qp_init_attr->cap = qp_attr->cap;
-out:
+out_mailbox:
mthca_free_mailbox(dev, mailbox);
+
+out:
+ mutex_unlock(&qp->mutex);
return err;
}
return err;
}
-static const struct ib_qp_attr dummy_init_attr = { .port_num = 1 };
-static const int dummy_init_attr_mask[] = {
- [IB_QPT_UD] = (IB_QP_PKEY_INDEX |
- IB_QP_PORT |
- IB_QP_QKEY),
- [IB_QPT_UC] = (IB_QP_PKEY_INDEX |
- IB_QP_PORT |
- IB_QP_ACCESS_FLAGS),
- [IB_QPT_RC] = (IB_QP_PKEY_INDEX |
- IB_QP_PORT |
- IB_QP_ACCESS_FLAGS),
- [IB_QPT_SMI] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- [IB_QPT_GSI] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
-};
-
int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
struct ib_udata *udata)
{
goto out;
}
- if (cur_state == IB_QPS_RESET && new_state == IB_QPS_ERR) {
- err = __mthca_modify_qp(ibqp, &dummy_init_attr,
- dummy_init_attr_mask[ibqp->qp_type],
- IB_QPS_RESET, IB_QPS_INIT);
- if (err)
- goto out;
- cur_state = IB_QPS_INIT;
- }
-
err = __mthca_modify_qp(ibqp, attr, attr_mask, cur_state, new_state);
out:
{
int ret;
int i;
+ struct mthca_next_seg *next;
qp->refcount = 1;
init_waitqueue_head(&qp->wait);
}
if (mthca_is_memfree(dev)) {
- struct mthca_next_seg *next;
struct mthca_data_seg *scatter;
int size = (sizeof (struct mthca_next_seg) +
qp->rq.max_gs * sizeof (struct mthca_data_seg)) / 16;
qp->sq.wqe_shift) +
qp->send_wqe_offset);
}
+ } else {
+ for (i = 0; i < qp->rq.max; ++i) {
+ next = get_recv_wqe(qp, i);
+ next->nda_op = htonl((((i + 1) % qp->rq.max) <<
+ qp->rq.wqe_shift) | 1);
+ }
+
}
qp->sq.last = get_send_wqe(qp, qp->sq.max - 1);
return -EINVAL;
/*
- * For MLX transport we need 2 extra S/G entries:
+ * For MLX transport we need 2 extra send gather entries:
* one for the header and one for the checksum at the end
*/
- if (qp->transport == MLX && cap->max_recv_sge + 2 > dev->limits.max_sg)
+ if (qp->transport == MLX && cap->max_send_sge + 2 > dev->limits.max_sg)
return -EINVAL;
if (mthca_is_memfree(dev)) {
}
static void mthca_lock_cqs(struct mthca_cq *send_cq, struct mthca_cq *recv_cq)
+ __acquires(&send_cq->lock) __acquires(&recv_cq->lock)
{
- if (send_cq == recv_cq)
+ if (send_cq == recv_cq) {
spin_lock_irq(&send_cq->lock);
- else if (send_cq->cqn < recv_cq->cqn) {
+ __acquire(&recv_cq->lock);
+ } else if (send_cq->cqn < recv_cq->cqn) {
spin_lock_irq(&send_cq->lock);
spin_lock_nested(&recv_cq->lock, SINGLE_DEPTH_NESTING);
} else {
}
static void mthca_unlock_cqs(struct mthca_cq *send_cq, struct mthca_cq *recv_cq)
+ __releases(&send_cq->lock) __releases(&recv_cq->lock)
{
- if (send_cq == recv_cq)
+ if (send_cq == recv_cq) {
+ __release(&recv_cq->lock);
spin_unlock_irq(&send_cq->lock);
- else if (send_cq->cqn < recv_cq->cqn) {
+ } else if (send_cq->cqn < recv_cq->cqn) {
spin_unlock(&recv_cq->lock);
spin_unlock_irq(&send_cq->lock);
} else {
case IB_WR_SEND_WITH_IMM:
sqp->ud_header.bth.opcode = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE;
sqp->ud_header.immediate_present = 1;
- sqp->ud_header.immediate_data = wr->imm_data;
+ sqp->ud_header.immediate_data = wr->ex.imm_data;
break;
default:
return -EINVAL;
cpu_to_be32(1);
if (wr->opcode == IB_WR_SEND_WITH_IMM ||
wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM)
- ((struct mthca_next_seg *) wqe)->imm = wr->imm_data;
+ ((struct mthca_next_seg *) wqe)->imm = wr->ex.imm_data;
wqe += sizeof (struct mthca_next_seg);
size = sizeof (struct mthca_next_seg) / 16;
prev_wqe = qp->rq.last;
qp->rq.last = wqe;
- ((struct mthca_next_seg *) wqe)->nda_op = 0;
((struct mthca_next_seg *) wqe)->ee_nds =
cpu_to_be32(MTHCA_NEXT_DBD);
((struct mthca_next_seg *) wqe)->flags = 0;
qp->wrid[ind] = wr->wr_id;
- ((struct mthca_next_seg *) prev_wqe)->nda_op =
- cpu_to_be32((ind << qp->rq.wqe_shift) | 1);
- wmb();
((struct mthca_next_seg *) prev_wqe)->ee_nds =
cpu_to_be32(MTHCA_NEXT_DBD | size);
cpu_to_be32(MTHCA_NEXT_CQ_UPDATE) : 0) |
((wr->send_flags & IB_SEND_SOLICITED) ?
cpu_to_be32(MTHCA_NEXT_SOLICIT) : 0) |
+ ((wr->send_flags & IB_SEND_IP_CSUM) ?
+ cpu_to_be32(MTHCA_NEXT_IP_CSUM | MTHCA_NEXT_TCP_UDP_CSUM) : 0) |
cpu_to_be32(1);
if (wr->opcode == IB_WR_SEND_WITH_IMM ||
wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM)
- ((struct mthca_next_seg *) wqe)->imm = wr->imm_data;
+ ((struct mthca_next_seg *) wqe)->imm = wr->ex.imm_data;
wqe += sizeof (struct mthca_next_seg);
size = sizeof (struct mthca_next_seg) / 16;
git.openpandora.org / pandora-kernel.git / blobdiff