Commit 68a8cc9e authored by Dave Jiang's avatar Dave Jiang Committed by Vinod Koul
Browse files

ioatdma: Adding support for BDX-DE ioatdma. 



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

Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 09aa8ac0

drivers/dma/ioat/dma_v3.c

+5 −0
Original line number Diff line number Diff line
@@ -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;

drivers/dma/ioat/hw.h

+5 −0
Original line number Diff line number Diff line
@@ -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 */

drivers/dma/ioat/pci.c

+5 −0
Original line number Diff line number Diff line
@@ -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);