diff options
Diffstat (limited to 'drivers/infiniband/hw/cxgb4')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/device.c | 15 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/qp.c | 5 |
2 files changed, 15 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index c13c0ba30f63..d499cd61c0e8 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -783,6 +783,7 @@ void c4iw_init_dev_ucontext(struct c4iw_rdev *rdev, static int c4iw_rdev_open(struct c4iw_rdev *rdev) { int err; + unsigned int factor; c4iw_init_dev_ucontext(rdev, &rdev->uctx); @@ -806,8 +807,18 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev) return -EINVAL; } - rdev->qpmask = rdev->lldi.udb_density - 1; - rdev->cqmask = rdev->lldi.ucq_density - 1; + /* This implementation requires a sge_host_page_size <= PAGE_SIZE. */ + if (rdev->lldi.sge_host_page_size > PAGE_SIZE) { + pr_err("%s: unsupported sge host page size %u\n", + pci_name(rdev->lldi.pdev), + rdev->lldi.sge_host_page_size); + return -EINVAL; + } + + factor = PAGE_SIZE / rdev->lldi.sge_host_page_size; + rdev->qpmask = (rdev->lldi.udb_density * factor) - 1; + rdev->cqmask = (rdev->lldi.ucq_density * factor) - 1; + pr_debug("dev %s stag start 0x%0x size 0x%0x num stags %d pbl start 0x%0x size 0x%0x rq start 0x%0x size 0x%0x qp qid start %u size %u cq qid start %u size %u srq size %u\n", pci_name(rdev->lldi.pdev), rdev->lldi.vr->stag.start, rdev->lldi.vr->stag.size, c4iw_num_stags(rdev), diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index 981ff5cfb5d1..504cf525508f 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -2564,9 +2564,8 @@ static int alloc_srq_queue(struct c4iw_srq *srq, struct c4iw_dev_ucontext *uctx, wq->rqt_abs_idx = (wq->rqt_hwaddr - rdev->lldi.vr->rq.start) >> T4_RQT_ENTRY_SHIFT; - wq->queue = dma_zalloc_coherent(&rdev->lldi.pdev->dev, - wq->memsize, &wq->dma_addr, - GFP_KERNEL); + wq->queue = dma_alloc_coherent(&rdev->lldi.pdev->dev, wq->memsize, + &wq->dma_addr, GFP_KERNEL); if (!wq->queue) goto err_free_rqtpool; |