diff options
| author | Chris Leech <christopher.leech@intel.com> | 2006-05-23 17:35:34 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-06-17 21:18:46 -0700 |
| commit | 0bbd5f4e97ff9c057b385a1886b4aed1fb0300f1 (patch) | |
| tree | 0c3d8528c31e8291fb78c2e7a287910987ed2888 /drivers/dma/ioatdma_hw.h | |
| parent | c13c8260da3155f2cefb63b0d1b7dcdcb405c644 (diff) | |
| download | talos-obmc-linux-0bbd5f4e97ff9c057b385a1886b4aed1fb0300f1.tar.gz talos-obmc-linux-0bbd5f4e97ff9c057b385a1886b4aed1fb0300f1.zip | |
[I/OAT]: Driver for the Intel(R) I/OAT DMA engine
Adds a new ioatdma driver
Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/dma/ioatdma_hw.h')
| -rw-r--r-- | drivers/dma/ioatdma_hw.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/dma/ioatdma_hw.h b/drivers/dma/ioatdma_hw.h new file mode 100644 index 000000000000..4d7a12880be3 --- /dev/null +++ b/drivers/dma/ioatdma_hw.h @@ -0,0 +1,52 @@ +/* + * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ +#ifndef _IOAT_HW_H_ +#define _IOAT_HW_H_ + +/* PCI Configuration Space Values */ +#define IOAT_PCI_VID 0x8086 +#define IOAT_PCI_DID 0x1A38 +#define IOAT_PCI_RID 0x00 +#define IOAT_PCI_SVID 0x8086 +#define IOAT_PCI_SID 0x8086 +#define IOAT_VER 0x12 /* Version 1.2 */ + +struct ioat_dma_descriptor { + uint32_t size; + uint32_t ctl; + uint64_t src_addr; + uint64_t dst_addr; + uint64_t next; + uint64_t rsv1; + uint64_t rsv2; + uint64_t user1; + uint64_t user2; +}; + +#define IOAT_DMA_DESCRIPTOR_CTL_INT_GN 0x00000001 +#define IOAT_DMA_DESCRIPTOR_CTL_SRC_SN 0x00000002 +#define IOAT_DMA_DESCRIPTOR_CTL_DST_SN 0x00000004 +#define IOAT_DMA_DESCRIPTOR_CTL_CP_STS 0x00000008 +#define IOAT_DMA_DESCRIPTOR_CTL_FRAME 0x00000010 +#define IOAT_DMA_DESCRIPTOR_NUL 0x00000020 +#define IOAT_DMA_DESCRIPTOR_OPCODE 0xFF000000 + +#endif |
