void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd)
{
might_sleep();
if (pd->privileged)
mthca_free_mr(dev, &pd->ntmr);
mthca_free(&dev->pd_table.alloc, pd->pd_num);
}
int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah)
{
if (ah->on_hca)
mthca_free(&dev->av_table.alloc,
(ah->avdma - dev->av_table.ddr_av_base) /
MTHCA_AV_SIZE);
else
pci_pool_free(dev->av_table.pool, ah->av, ah->avdma);
return 0;
}
void mthca_free_qp(struct mthca_dev *dev,
struct mthca_qp *qp)
{
u8 status;
int size;
int i;
spin_lock_irq(&dev->qp_table.lock);
mthca_array_clear(&dev->qp_table.qp,
qp->qpn & (dev->limits.num_qps - 1));
spin_unlock_irq(&dev->qp_table.lock);
atomic_dec(&qp->refcount);
wait_event(qp->wait, !atomic_read(&qp->refcount));
if (qp->state != IB_QPS_RESET)
mthca_MODIFY_QP(dev, MTHCA_TRANS_ANY2RST, qp->qpn, 0, NULL, 0, &status);
mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq)->cqn, qp->qpn);
if (qp->ibqp.send_cq != qp->ibqp.recv_cq)
mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq)->cqn, qp->qpn);
mthca_free_mr(dev, &qp->mr);
size = PAGE_ALIGN(qp->send_wqe_offset +
(qp->sq.max << qp->sq.wqe_shift));
if (qp->is_direct) {
pci_free_consistent(dev->pdev, size,
qp->queue.direct.buf,
pci_unmap_addr(&qp->queue.direct, mapping));
} else {
for (i = 0; i < size / PAGE_SIZE; ++i) {
pci_free_consistent(dev->pdev, PAGE_SIZE,
qp->queue.page_list[i].buf,
pci_unmap_addr(&qp->queue.page_list[i],
mapping));
}
}
kfree(qp->wrid);
if (is_sqp(dev, qp)) {
atomic_dec(&(to_mpd(qp->ibqp.pd)->sqp_count));
dma_free_coherent(&dev->pdev->dev,
to_msqp(qp)->header_buf_size,
to_msqp(qp)->header_buf,
to_msqp(qp)->header_dma);
}
else
mthca_free(&dev->qp_table.alloc, qp->qpn);
}
int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah)
{
switch (ah->type) {
case MTHCA_AH_ON_HCA:
mthca_free(&dev->av_table.alloc,
(ah->avdma - dev->av_table.ddr_av_base) /
MTHCA_AV_SIZE);
break;
case MTHCA_AH_PCI_POOL:
pci_pool_free(dev->av_table.pool, ah->av, ah->avdma);
break;
case MTHCA_AH_KMALLOC:
kfree(ah->av);
break;
}
return 0;
}
int mthca_pd_alloc(struct mthca_dev *dev, int privileged, struct mthca_pd *pd)
{
int err = 0;
pd->privileged = privileged;
atomic_set(&pd->sqp_count, 0);
pd->pd_num = mthca_alloc(&dev->pd_table.alloc);
if (pd->pd_num == -1)
return -ENOMEM;
if (privileged) {
err = mthca_mr_alloc_notrans(dev, pd->pd_num,
MTHCA_MPT_FLAG_LOCAL_READ |
MTHCA_MPT_FLAG_LOCAL_WRITE,
&pd->ntmr);
if (err)
mthca_free(&dev->pd_table.alloc, pd->pd_num);
}
return err;
}
int mthca_alloc_qp(struct mthca_dev *dev,
struct mthca_pd *pd,
struct mthca_cq *send_cq,
struct mthca_cq *recv_cq,
enum ib_qp_type type,
enum ib_sig_type send_policy,
enum ib_sig_type recv_policy,
struct mthca_qp *qp)
{
int err;
switch (type) {
case IB_QPT_RC: qp->transport = RC; break;
case IB_QPT_UC: qp->transport = UC; break;
case IB_QPT_UD: qp->transport = UD; break;
default: return -EINVAL;
}
qp->qpn = mthca_alloc(&dev->qp_table.alloc);
if (qp->qpn == -1)
return -ENOMEM;
err = mthca_alloc_qp_common(dev, pd, send_cq, recv_cq,
send_policy, recv_policy, qp);
if (err) {
mthca_free(&dev->qp_table.alloc, qp->qpn);
return err;
}
spin_lock_irq(&dev->qp_table.lock);
mthca_array_set(&dev->qp_table.qp,
qp->qpn & (dev->limits.num_qps - 1), qp);
spin_unlock_irq(&dev->qp_table.lock);
return 0;
}
void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar)
{
mthca_free(&dev->uar_table.alloc, uar->index);
}
