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authorMaciej Sosnowski <maciej.sosnowski@intel.com>2008-07-22 20:30:57 -0400
committerDan Williams <dan.j.williams@intel.com>2008-07-22 20:30:57 -0400
commit7f1b358a236ee9c19657a619ac6f2dcabcaa0924 (patch)
tree04eade38d4f8da94d7051f51875ed500b49b4756 /drivers/dma/ioatdma_hw.h
parent16a37acaaf4aaa631ba3f83710ed6cdb1a597520 (diff)
I/OAT: I/OAT version 3.0 support
This patch adds to ioatdma and dca modules support for Intel I/OAT DMA engine ver.3 (aka CB3 device). The main features of I/OAT ver.3 are: * 8 single channel DMA devices (8 channels total) * 8 DCA providers, each can accept 2 requesters * 8-bit TAG values and 32-bit extended APIC IDs Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ioatdma_hw.h')
-rw-r--r--drivers/dma/ioatdma_hw.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/ioatdma_hw.h b/drivers/dma/ioatdma_hw.h
index dd470fa91d8..f1ae2c776f7 100644
--- a/drivers/dma/ioatdma_hw.h
+++ b/drivers/dma/ioatdma_hw.h
@@ -35,6 +35,7 @@
35#define IOAT_PCI_SID 0x8086 35#define IOAT_PCI_SID 0x8086
36#define IOAT_VER_1_2 0x12 /* Version 1.2 */ 36#define IOAT_VER_1_2 0x12 /* Version 1.2 */
37#define IOAT_VER_2_0 0x20 /* Version 2.0 */ 37#define IOAT_VER_2_0 0x20 /* Version 2.0 */
38#define IOAT_VER_3_0 0x30 /* Version 3.0 */
38 39
39struct ioat_dma_descriptor { 40struct ioat_dma_descriptor {
40 uint32_t size; 41 uint32_t size;