diff options
Diffstat (limited to 'drivers/dma/ioatdma.h')
| -rw-r--r-- | drivers/dma/ioatdma.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/dma/ioatdma.h b/drivers/dma/ioatdma.h index f2c7fedbf00..c6ec933f989 100644 --- a/drivers/dma/ioatdma.h +++ b/drivers/dma/ioatdma.h @@ -28,7 +28,7 @@ #include <linux/cache.h> #include <linux/pci_ids.h> -#define IOAT_DMA_VERSION "2.04" +#define IOAT_DMA_VERSION "2.18" enum ioat_interrupt { none = 0, @@ -40,6 +40,7 @@ enum ioat_interrupt { #define IOAT_LOW_COMPLETION_MASK 0xffffffc0 #define IOAT_DMA_DCA_ANY_CPU ~0 +#define IOAT_WATCHDOG_PERIOD (2 * HZ) /** @@ -62,6 +63,7 @@ struct ioatdma_device { struct dma_device common; u8 version; enum ioat_interrupt irq_mode; + struct delayed_work work; struct msix_entry msix_entries[4]; struct ioat_dma_chan *idx[4]; }; @@ -75,6 +77,7 @@ struct ioat_dma_chan { dma_cookie_t completed_cookie; unsigned long last_completion; + unsigned long last_completion_time; size_t xfercap; /* XFERCAP register value expanded out */ @@ -82,6 +85,10 @@ struct ioat_dma_chan { spinlock_t desc_lock; struct list_head free_desc; struct list_head used_desc; + unsigned long watchdog_completion; + int watchdog_tcp_cookie; + u32 watchdog_last_tcp_cookie; + struct delayed_work work; int pending; int dmacount; @@ -98,6 +105,7 @@ struct ioat_dma_chan { u32 high; }; } *completion_virt; + unsigned long last_compl_desc_addr_hw; struct tasklet_struct cleanup_task; }; |