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); } }