Commit eceec44e authored by Dave Jiang's avatar Dave Jiang Committed by Vinod Koul

ioatdma: skip silicon bug workaround for pq_align for cb3.3

The alignment workaround is only necessary for cb3.2 or earlier platforms.
Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
Acked-by: default avatarDan Williams <djbw@fb.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 3f09ede4
...@@ -1521,10 +1521,14 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca) ...@@ -1521,10 +1521,14 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca)
dma_cap_set(DMA_XOR_VAL, dma->cap_mask); dma_cap_set(DMA_XOR_VAL, dma->cap_mask);
dma->device_prep_dma_xor_val = ioat3_prep_xor_val; dma->device_prep_dma_xor_val = ioat3_prep_xor_val;
} }
if (cap & IOAT_CAP_PQ) { if (cap & IOAT_CAP_PQ) {
is_raid_device = true; is_raid_device = true;
dma_set_maxpq(dma, 8, 0); dma_set_maxpq(dma, 8, 0);
if (is_xeon_cb32(pdev))
dma->pq_align = 6; dma->pq_align = 6;
else
dma->pq_align = 0;
dma_cap_set(DMA_PQ, dma->cap_mask); dma_cap_set(DMA_PQ, dma->cap_mask);
dma->device_prep_dma_pq = ioat3_prep_pq; dma->device_prep_dma_pq = ioat3_prep_pq;
...@@ -1534,7 +1538,10 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca) ...@@ -1534,7 +1538,10 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca)
if (!(cap & IOAT_CAP_XOR)) { if (!(cap & IOAT_CAP_XOR)) {
dma->max_xor = 8; dma->max_xor = 8;
if (is_xeon_cb32(pdev))
dma->xor_align = 6; dma->xor_align = 6;
else
dma->xor_align = 0;
dma_cap_set(DMA_XOR, dma->cap_mask); dma_cap_set(DMA_XOR, dma->cap_mask);
dma->device_prep_dma_xor = ioat3_prep_pqxor; dma->device_prep_dma_xor = ioat3_prep_pqxor;
...@@ -1543,6 +1550,7 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca) ...@@ -1543,6 +1550,7 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca)
dma->device_prep_dma_xor_val = ioat3_prep_pqxor_val; dma->device_prep_dma_xor_val = ioat3_prep_pqxor_val;
} }
} }
if (is_raid_device && (cap & IOAT_CAP_FILL_BLOCK)) { if (is_raid_device && (cap & IOAT_CAP_FILL_BLOCK)) {
dma_cap_set(DMA_MEMSET, dma->cap_mask); dma_cap_set(DMA_MEMSET, dma->cap_mask);
dma->device_prep_dma_memset = ioat3_prep_memset_lock; dma->device_prep_dma_memset = ioat3_prep_memset_lock;
......
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