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ioatdma: Adding support for BDX-DE ioatdma.

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Adding PCI device IDs and hooks in workarounds for Broadwell DE ioatdma.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Dave Jiang 2015-01-30 15:06:01 -07:00 committed by Vinod Koul
parent 09aa8ac0f9
commit 68a8cc9e9e
3 changed files with 15 additions and 0 deletions
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5
drivers/dma/ioat/dma_v3.c
View File

@ -214,6 +214,11 @@ static bool is_bwd_ioat(struct pci_dev *pdev)
case PCI_DEVICE_ID_INTEL_IOAT_BWD1:
case PCI_DEVICE_ID_INTEL_IOAT_BWD2:
case PCI_DEVICE_ID_INTEL_IOAT_BWD3:
/* even though not Atom, BDX-DE has same DMA silicon */
case PCI_DEVICE_ID_INTEL_IOAT_BDXDE0:
case PCI_DEVICE_ID_INTEL_IOAT_BDXDE1:
case PCI_DEVICE_ID_INTEL_IOAT_BDXDE2:
case PCI_DEVICE_ID_INTEL_IOAT_BDXDE3:
return true;
default:
return false;

5
drivers/dma/ioat/hw.h
View File

@ -57,6 +57,11 @@
#define PCI_DEVICE_ID_INTEL_IOAT_BWD2 0x0C52
#define PCI_DEVICE_ID_INTEL_IOAT_BWD3 0x0C53
#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE0 0x6f50
#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE1 0x6f51
#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE2 0x6f52
#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE3 0x6f53
#define IOAT_VER_1_2 0x12 /* Version 1.2 */
#define IOAT_VER_2_0 0x20 /* Version 2.0 */
#define IOAT_VER_3_0 0x30 /* Version 3.0 */

5
drivers/dma/ioat/pci.c
View File

@ -111,6 +111,11 @@ static struct pci_device_id ioat_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BWD2) },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BWD3) },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDXDE0) },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDXDE1) },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDXDE2) },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDXDE3) },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, ioat_pci_tbl);