diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_qp.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_qp.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index 0e0c79609b0c..2805ab2ab2c5 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -31,6 +31,7 @@ * SOFTWARE. */ +#include <linux/pci.h> #include <linux/platform_device.h> #include <rdma/ib_addr.h> #include <rdma/ib_umem.h> @@ -372,6 +373,16 @@ static int hns_roce_set_user_sq_size(struct hns_roce_dev *hr_dev, if (hr_qp->sq.max_gs > 2) hr_qp->sge.sge_cnt = roundup_pow_of_two(hr_qp->sq.wqe_cnt * (hr_qp->sq.max_gs - 2)); + + if ((hr_qp->sq.max_gs > 2) && (hr_dev->pci_dev->revision == 0x20)) { + if (hr_qp->sge.sge_cnt > hr_dev->caps.max_extend_sg) { + dev_err(hr_dev->dev, + "The extended sge cnt error! sge_cnt=%d\n", + hr_qp->sge.sge_cnt); + return -EINVAL; + } + } + hr_qp->sge.sge_shift = 4; /* Get buf size, SQ and RQ are aligned to page_szie */ @@ -465,6 +476,14 @@ static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev, hr_qp->sge.sge_shift = 4; } + if ((hr_qp->sq.max_gs > 2) && hr_dev->pci_dev->revision == 0x20) { + if (hr_qp->sge.sge_cnt > hr_dev->caps.max_extend_sg) { + dev_err(dev, "The extended sge cnt error! sge_cnt=%d\n", + hr_qp->sge.sge_cnt); + return -EINVAL; + } + } + /* Get buf size, SQ and RQ are aligned to PAGE_SIZE */ page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT); hr_qp->sq.offset = 0; |