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| author | Jayamohan Kallickal <jayamohan.kallickal@emulex.com> | 2014-01-29 07:16:45 (GMT) |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2014-03-15 17:19:11 (GMT) |
| commit | 6c57625b3c08f67f562e8db3ba44bb5a27aaf7d2 (patch) | |
| tree | 2d30f1221e4a4a053bfb6d87d08e76d3e7495e58 /drivers/scsi/be2iscsi | |
| parent | da3349771c7ca01415df49929b265c21bc4295c3 (diff) | |
| download | linux-6c57625b3c08f67f562e8db3ba44bb5a27aaf7d2.tar.xz | |
[SCSI] be2iscsi : Fix DMA Out of SW-IOMMU space error
Setting DMA bit mask 64 and roll back to 32 if not supported.
Signed-off-by: Minh Tran <minhduc.tran@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/be2iscsi')
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 7b2bd16..3cd4693 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -679,8 +679,19 @@ static int beiscsi_enable_pci(struct pci_dev *pcidev) } pci_set_master(pcidev); - if (pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64))) { - ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32)); + ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(64)); + if (ret) { + ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32)); + if (ret) { + dev_err(&pcidev->dev, "Could not set PCI DMA Mask\n"); + pci_disable_device(pcidev); + return ret; + } else { + ret = pci_set_consistent_dma_mask(pcidev, + DMA_BIT_MASK(32)); + } + } else { + ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64)); if (ret) { dev_err(&pcidev->dev, "Could not set PCI DMA Mask\n"); pci_disable_device(pcidev); |