summaryrefslogtreecommitdiff
path: root/drivers/rapidio/devices/tsi721.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/rapidio/devices/tsi721.h')
-rw-r--r--drivers/rapidio/devices/tsi721.h87
1 files changed, 85 insertions, 2 deletions
diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h
index 9d2502543..5456dbddc 100644
--- a/drivers/rapidio/devices/tsi721.h
+++ b/drivers/rapidio/devices/tsi721.h
@@ -21,6 +21,46 @@
#ifndef __TSI721_H
#define __TSI721_H
+/* Debug output filtering masks */
+enum {
+ DBG_NONE = 0,
+ DBG_INIT = BIT(0), /* driver init */
+ DBG_EXIT = BIT(1), /* driver exit */
+ DBG_MPORT = BIT(2), /* mport add/remove */
+ DBG_MAINT = BIT(3), /* maintenance ops messages */
+ DBG_DMA = BIT(4), /* DMA transfer messages */
+ DBG_DMAV = BIT(5), /* verbose DMA transfer messages */
+ DBG_IBW = BIT(6), /* inbound window */
+ DBG_EVENT = BIT(7), /* event handling messages */
+ DBG_OBW = BIT(8), /* outbound window messages */
+ DBG_DBELL = BIT(9), /* doorbell messages */
+ DBG_OMSG = BIT(10), /* doorbell messages */
+ DBG_IMSG = BIT(11), /* doorbell messages */
+ DBG_ALL = ~0,
+};
+
+#ifdef DEBUG
+extern u32 dbg_level;
+
+#define tsi_debug(level, dev, fmt, arg...) \
+ do { \
+ if (DBG_##level & dbg_level) \
+ dev_dbg(dev, "%s: " fmt "\n", __func__, ##arg); \
+ } while (0)
+#else
+#define tsi_debug(level, dev, fmt, arg...) \
+ no_printk(KERN_DEBUG "%s: " fmt "\n", __func__, ##arg)
+#endif
+
+#define tsi_info(dev, fmt, arg...) \
+ dev_info(dev, "%s: " fmt "\n", __func__, ##arg)
+
+#define tsi_warn(dev, fmt, arg...) \
+ dev_warn(dev, "%s: WARNING " fmt "\n", __func__, ##arg)
+
+#define tsi_err(dev, fmt, arg...) \
+ dev_err(dev, "%s: ERROR " fmt "\n", __func__, ##arg)
+
#define DRV_NAME "tsi721"
#define DEFAULT_HOPCOUNT 0xff
@@ -674,7 +714,7 @@ struct tsi721_bdma_chan {
struct dma_chan dchan;
struct tsi721_tx_desc *tx_desc;
spinlock_t lock;
- struct list_head active_list;
+ struct tsi721_tx_desc *active_tx;
struct list_head queue;
struct list_head free_list;
struct tasklet_struct tasklet;
@@ -808,9 +848,38 @@ struct msix_irq {
};
#endif /* CONFIG_PCI_MSI */
+struct tsi721_ib_win_mapping {
+ struct list_head node;
+ dma_addr_t lstart;
+};
+
+struct tsi721_ib_win {
+ u64 rstart;
+ u32 size;
+ dma_addr_t lstart;
+ bool active;
+ bool xlat;
+ struct list_head mappings;
+};
+
+struct tsi721_obw_bar {
+ u64 base;
+ u64 size;
+ u64 free;
+};
+
+struct tsi721_ob_win {
+ u64 base;
+ u32 size;
+ u16 destid;
+ u64 rstart;
+ bool active;
+ struct tsi721_obw_bar *pbar;
+};
+
struct tsi721_device {
struct pci_dev *pdev;
- struct rio_mport *mport;
+ struct rio_mport mport;
u32 flags;
void __iomem *regs;
#ifdef CONFIG_PCI_MSI
@@ -843,11 +912,25 @@ struct tsi721_device {
/* Outbound Messaging */
int omsg_init[TSI721_OMSG_CHNUM];
struct tsi721_omsg_ring omsg_ring[TSI721_OMSG_CHNUM];
+
+ /* Inbound Mapping Windows */
+ struct tsi721_ib_win ib_win[TSI721_IBWIN_NUM];
+ int ibwin_cnt;
+
+ /* Outbound Mapping Windows */
+ struct tsi721_obw_bar p2r_bar[2];
+ struct tsi721_ob_win ob_win[TSI721_OBWIN_NUM];
+ int obwin_cnt;
};
#ifdef CONFIG_RAPIDIO_DMA_ENGINE
extern void tsi721_bdma_handler(struct tsi721_bdma_chan *bdma_chan);
extern int tsi721_register_dma(struct tsi721_device *priv);
+extern void tsi721_unregister_dma(struct tsi721_device *priv);
+extern void tsi721_dma_stop_all(struct tsi721_device *priv);
+#else
+#define tsi721_dma_stop_all(priv) do {} while (0)
+#define tsi721_unregister_dma(priv) do {} while (0)
#endif
#endif