X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fdma%2Fioatdma_hw.h;fp=drivers%2Fdma%2Fioatdma_hw.h;h=4d7a12880be3d519089c1c4e4f01df9817bcc331;hb=f05f9504c50ed069377d37f02f22e7a16b5921de;hp=0000000000000000000000000000000000000000;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git diff --git a/drivers/dma/ioatdma_hw.h b/drivers/dma/ioatdma_hw.h new file mode 100644 index 000000000..4d7a12880 --- /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