diff options
| author |   Longfang Liu <liulongfang@huawei.com> | 2022-09-26 17:33:29 +0800 |
|---|---|---|
| committer |   Alex Williamson <alex.williamson@redhat.com> | 2022-09-27 09:30:31 -0600 |
| commit | 008e5e996f425f64c21755ebe77201895bbee3b8 (patch) | |
| tree | f8bafd2242c26ed3cb059d1e9ea250a2453a70cc /drivers | |
| parent | hisi_acc_vfio_pci: Fixes error return code issue (diff) | |
| download | linux-dev-008e5e996f425f64c21755ebe77201895bbee3b8.tar.xz linux-dev-008e5e996f425f64c21755ebe77201895bbee3b8.zip | |
hisi_acc_vfio_pci: Fix device data address combination problem
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.
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Longfang Liu <liulongfang@huawei.com>
Link: https://lore.kernel.org/r/20220926093332.28824-3-liulongfang@huawei.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 8 |
1 files 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 4ef9761ef467..fbe72ce173de 100644 --- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c +++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c @@ -520,12 +520,12 @@ 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); |