summaryrefslogtreecommitdiffstats
path: root/drivers/dma/ioatdma.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/dma/ioatdma.h')
-rw-r--r--drivers/dma/ioatdma.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/dma/ioatdma.h b/drivers/dma/ioatdma.h
index 0b8ffbde1e6..2abf0b88a97 100644
--- a/drivers/dma/ioatdma.h
+++ b/drivers/dma/ioatdma.h
@@ -28,6 +28,14 @@
#include <linux/cache.h>
#include <linux/pci_ids.h>
+enum ioat_interrupt {
+ none = 0,
+ msix_multi_vector = 1,
+ msix_single_vector = 2,
+ msi = 3,
+ intx = 4,
+};
+
#define IOAT_LOW_COMPLETION_MASK 0xffffffc0
/**
@@ -46,6 +54,9 @@ struct ioatdma_device {
struct pci_pool *completion_pool;
struct dma_device common;
u8 version;
+ enum ioat_interrupt irq_mode;
+ struct msix_entry msix_entries[4];
+ struct ioat_dma_chan *idx[4];
};
/**
@@ -94,6 +105,7 @@ struct ioat_dma_chan {
u32 high;
};
} *completion_virt;
+ struct tasklet_struct cleanup_task;
};
/* wrapper around hardware descriptor format + additional software fields */