net/mlx4_core: Maintain a persistent memory for mlx4 device
Maintain a persistent memory that should survive reset flow/PCI error.
This comes as a preparation for coming series to support above flows.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c
index 7094a9c..8dbdf1d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mr.c
@@ -708,13 +708,13 @@
if (!mtts)
return -ENOMEM;
- dma_sync_single_for_cpu(&dev->pdev->dev, dma_handle,
+ dma_sync_single_for_cpu(&dev->persist->pdev->dev, dma_handle,
npages * sizeof (u64), DMA_TO_DEVICE);
for (i = 0; i < npages; ++i)
mtts[i] = cpu_to_be64(page_list[i] | MLX4_MTT_FLAG_PRESENT);
- dma_sync_single_for_device(&dev->pdev->dev, dma_handle,
+ dma_sync_single_for_device(&dev->persist->pdev->dev, dma_handle,
npages * sizeof (u64), DMA_TO_DEVICE);
return 0;
@@ -1020,13 +1020,13 @@
/* Make sure MPT status is visible before writing MTT entries */
wmb();
- dma_sync_single_for_cpu(&dev->pdev->dev, fmr->dma_handle,
+ dma_sync_single_for_cpu(&dev->persist->pdev->dev, fmr->dma_handle,
npages * sizeof(u64), DMA_TO_DEVICE);
for (i = 0; i < npages; ++i)
fmr->mtts[i] = cpu_to_be64(page_list[i] | MLX4_MTT_FLAG_PRESENT);
- dma_sync_single_for_device(&dev->pdev->dev, fmr->dma_handle,
+ dma_sync_single_for_device(&dev->persist->pdev->dev, fmr->dma_handle,
npages * sizeof(u64), DMA_TO_DEVICE);
fmr->mpt->key = cpu_to_be32(key);