+#define SI_MAX_DRAW_CS_DWORDS \
+ (/*scratch:*/ 3 + /*derived prim state:*/ 3 + \
+ /*draw regs:*/ 16 + /*draw packets:*/ 31)
+
+/* Instruction cache. */
+#define SI_CONTEXT_INV_ICACHE (R600_CONTEXT_PRIVATE_FLAG << 0)
+/* Cache used by scalar memory (SMEM) instructions. They also use TC
+ * as a second level cache, which isn't flushed by this.
+ * Other names: constant cache, data cache, DCACHE */
+#define SI_CONTEXT_INV_KCACHE (R600_CONTEXT_PRIVATE_FLAG << 1)
+/* Caches used by vector memory (VMEM) instructions.
+ * L1 can optionally be bypassed (GLC=1) and can only be used by shaders.
+ * L2 is used by shaders and can be used by other blocks (CP, sDMA). */
+#define SI_CONTEXT_INV_TC_L1 (R600_CONTEXT_PRIVATE_FLAG << 2)
+#define SI_CONTEXT_INV_TC_L2 (R600_CONTEXT_PRIVATE_FLAG << 3)
+/* Framebuffer caches. */
+#define SI_CONTEXT_FLUSH_AND_INV_CB_META (R600_CONTEXT_PRIVATE_FLAG << 4)
+#define SI_CONTEXT_FLUSH_AND_INV_DB_META (R600_CONTEXT_PRIVATE_FLAG << 5)
+#define SI_CONTEXT_FLUSH_AND_INV_DB (R600_CONTEXT_PRIVATE_FLAG << 6)
+#define SI_CONTEXT_FLUSH_AND_INV_CB (R600_CONTEXT_PRIVATE_FLAG << 7)
+/* Engine synchronization. */
+#define SI_CONTEXT_VS_PARTIAL_FLUSH (R600_CONTEXT_PRIVATE_FLAG << 8)
+#define SI_CONTEXT_PS_PARTIAL_FLUSH (R600_CONTEXT_PRIVATE_FLAG << 9)
+#define SI_CONTEXT_CS_PARTIAL_FLUSH (R600_CONTEXT_PRIVATE_FLAG << 10)
+#define SI_CONTEXT_VGT_FLUSH (R600_CONTEXT_PRIVATE_FLAG << 11)
+#define SI_CONTEXT_VGT_STREAMOUT_SYNC (R600_CONTEXT_PRIVATE_FLAG << 12)
+/* Compute only. */
+#define SI_CONTEXT_FLUSH_WITH_INV_L2 (R600_CONTEXT_PRIVATE_FLAG << 13) /* TODO: merge with TC? */
+#define SI_CONTEXT_FLAG_COMPUTE (R600_CONTEXT_PRIVATE_FLAG << 14)
+
+#define SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER (SI_CONTEXT_FLUSH_AND_INV_CB | \
+ SI_CONTEXT_FLUSH_AND_INV_CB_META | \
+ SI_CONTEXT_FLUSH_AND_INV_DB | \
+ SI_CONTEXT_FLUSH_AND_INV_DB_META)
+
+struct si_compute;