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);
}
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);
}
void mthca_buf_free(struct mthca_dev *dev, int size, union mthca_buf *buf,
int is_direct, struct mthca_mr *mr)
{
int i;
if (mr)
mthca_free_mr(dev, mr);
if (is_direct)
dma_free_coherent(&dev->pdev->dev, size, buf->direct.buf,
dma_unmap_addr(&buf->direct, mapping));
else {
for (i = 0; i < (size + PAGE_SIZE - 1) / PAGE_SIZE; ++i)
dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
buf->page_list[i].buf,
dma_unmap_addr(&buf->page_list[i],
mapping));
kfree(buf->page_list);
}
}
