The queue address of the accelerator device should be combined into a dma address in a way of combining the low and high bits. The previous combination is wrong and needs to be modified.
Signed-off-by: Longfang Liu liulongfang@huawei.com --- drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c index 7ce656a7cf5c..0638a8a6b0c1 100644 --- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c +++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c @@ -528,12 +528,12 @@ static int vf_qm_state_save(struct hisi_acc_vf_core_device *hisi_acc_vdev, return -EINVAL;
/* Every reg is 32 bit, the dma address is 64 bit. */ - vf_data->eqe_dma = vf_data->qm_eqc_dw[2]; + vf_data->eqe_dma = vf_data->qm_eqc_dw[1]; vf_data->eqe_dma <<= QM_XQC_ADDR_OFFSET; - vf_data->eqe_dma |= vf_data->qm_eqc_dw[1]; - vf_data->aeqe_dma = vf_data->qm_aeqc_dw[2]; + vf_data->eqe_dma |= vf_data->qm_eqc_dw[0]; + vf_data->aeqe_dma = vf_data->qm_aeqc_dw[1]; vf_data->aeqe_dma <<= QM_XQC_ADDR_OFFSET; - vf_data->aeqe_dma |= vf_data->qm_aeqc_dw[1]; + vf_data->aeqe_dma |= vf_data->qm_aeqc_dw[0];
/* Through SQC_BT/CQC_BT to get sqc and cqc address */ ret = qm_get_sqc(vf_qm, &vf_data->sqc_dma);