ioatdma: Adding write back descriptor error status support for ioatdma 3.3

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / dma / ioat / hw.h

diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h
index d10570db6e7d118157e930567ccf059002861589..5ee57d402a6ef0361ef9317a3daeb225d95f75f7 100644 (file)
--- a/drivers/dma/ioat/hw.h
+++ b/drivers/dma/ioat/hw.h
@@ -165,7 +165,17 @@ struct ioat_xor_ext_descriptor {
 };
 
 struct ioat_pq_descriptor {
-       uint32_t        size;
+       union {
+               uint32_t        size;
+               uint32_t        dwbes;
+               struct {
+                       unsigned int rsvd:25;
+                       unsigned int p_val_err:1;
+                       unsigned int q_val_err:1;
+                       unsigned int rsvd1:4;
+                       unsigned int wbes:1;
+               } dwbes_f;
+       };
        union {
                uint32_t ctl;
                struct {
@@ -180,7 +190,10 @@ struct ioat_pq_descriptor {
                        unsigned int hint:1;
                        unsigned int p_disable:1;
                        unsigned int q_disable:1;
-                       unsigned int rsvd:11;
+                       unsigned int rsvd2:2;
+                       unsigned int wb_en:1;
+                       unsigned int prl_en:1;
+                       unsigned int rsvd3:7;
                        #define IOAT_OP_PQ 0x89
                        #define IOAT_OP_PQ_VAL 0x8a
                        #define IOAT_OP_PQ_16S 0xa0