---

yaml --- r: 374654 b: refs/heads/master c: 7727eaa h: refs/heads/master v: v3
git-mirror · Apr 15, 2013 · 8a39b8f · 8a39b8f
1 parent ce4621d
commit 8a39b8f
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Showing 7 changed files with 439 additions and 23 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e0884772d323b745c65baa65df391b1c70829410
+refs/heads/master: 7727eaa4490b7244934fe31f05e7329f30715267
diff --git a/trunk/drivers/dma/ioat/dma.h b/trunk/drivers/dma/ioat/dma.h
@@ -81,6 +81,9 @@ struct ioatdma_device {
 	void __iomem *reg_base;
 	struct pci_pool *dma_pool;
 	struct pci_pool *completion_pool;
+#define MAX_SED_POOLS	5
+	struct dma_pool *sed_hw_pool[MAX_SED_POOLS];
+	struct kmem_cache *sed_pool;
 	struct dma_device common;
 	u8 version;
 	struct msix_entry msix_entries[4];
@@ -141,6 +144,20 @@ struct ioat_dma_chan {
 	u16 active;
 };
 
+/**
+ * struct ioat_sed_ent - wrapper around super extended hardware descriptor
+ * @hw: hardware SED
+ * @sed_dma: dma address for the SED
+ * @list: list member
+ * @parent: point to the dma descriptor that's the parent
+ */
+struct ioat_sed_ent {
+	struct ioat_sed_raw_descriptor *hw;
+	dma_addr_t dma;
+	struct ioat_ring_ent *parent;
+	unsigned int hw_pool;
+};
+
 static inline struct ioat_chan_common *to_chan_common(struct dma_chan *c)
 {
 	return container_of(c, struct ioat_chan_common, common);

diff --git a/trunk/drivers/dma/ioat/dma_v2.h b/trunk/drivers/dma/ioat/dma_v2.h
@@ -137,6 +137,7 @@ struct ioat_ring_ent {
 	#ifdef DEBUG
 	int id;
 	#endif
+	struct ioat_sed_ent *sed;
 };
 
 static inline struct ioat_ring_ent *
@@ -157,6 +158,7 @@ static inline void ioat2_set_chainaddr(struct ioat2_dma_chan *ioat, u64 addr)
 
 int ioat2_dma_probe(struct ioatdma_device *dev, int dca);
 int ioat3_dma_probe(struct ioatdma_device *dev, int dca);
+void ioat3_dma_remove(struct ioatdma_device *dev);
 struct dca_provider *ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase);
 struct dca_provider *ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase);
 int ioat2_check_space_lock(struct ioat2_dma_chan *ioat, int num_descs);