diff options
Diffstat (limited to 'drivers/dma/ioat/dma_v3.c')
| -rw-r--r-- | drivers/dma/ioat/dma_v3.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index 9628ba2ff70c..cf97e3f16924 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -1521,10 +1521,14 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca) dma_cap_set(DMA_XOR_VAL, dma->cap_mask); dma->device_prep_dma_xor_val = ioat3_prep_xor_val; } + if (cap & IOAT_CAP_PQ) { is_raid_device = true; dma_set_maxpq(dma, 8, 0); - dma->pq_align = 6; + if (is_xeon_cb32(pdev)) + dma->pq_align = 6; + else + dma->pq_align = 0; dma_cap_set(DMA_PQ, dma->cap_mask); dma->device_prep_dma_pq = ioat3_prep_pq; @@ -1534,7 +1538,10 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca) if (!(cap & IOAT_CAP_XOR)) { dma->max_xor = 8; - dma->xor_align = 6; + if (is_xeon_cb32(pdev)) + dma->xor_align = 6; + else + dma->xor_align = 0; dma_cap_set(DMA_XOR, dma->cap_mask); dma->device_prep_dma_xor = ioat3_prep_pqxor; @@ -1543,6 +1550,7 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca) dma->device_prep_dma_xor_val = ioat3_prep_pqxor_val; } } + if (is_raid_device && (cap & IOAT_CAP_FILL_BLOCK)) { dma_cap_set(DMA_MEMSET, dma->cap_mask); dma->device_prep_dma_memset = ioat3_prep_memset_lock; |