[mirror_ubuntu-artful-kernel.git] / drivers / dma / ioatdma_hw.h

/*
 * 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
Commit	Line	Data
0bbd5f4e CL	1	/*
	2	* Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms of the GNU General Public License as published by the Free
	6	* Software Foundation; either version 2 of the License, or (at your option)
	7	* any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along with
	15	* this program; if not, write to the Free Software Foundation, Inc., 59
	16	* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	17	*
	18	* The full GNU General Public License is included in this distribution in the
	19	* file called COPYING.
	20	*/
	21	#ifndef _IOAT_HW_H_
	22	#define _IOAT_HW_H_
	23
	24	/* PCI Configuration Space Values */
	25	#define IOAT_PCI_VID 0x8086
	26	#define IOAT_PCI_DID 0x1A38
	27	#define IOAT_PCI_RID 0x00
	28	#define IOAT_PCI_SVID 0x8086
	29	#define IOAT_PCI_SID 0x8086
	30	#define IOAT_VER 0x12 /* Version 1.2 */
	31
	32	struct ioat_dma_descriptor {
	33	uint32_t size;
	34	uint32_t ctl;
	35	uint64_t src_addr;
	36	uint64_t dst_addr;
	37	uint64_t next;
	38	uint64_t rsv1;
	39	uint64_t rsv2;
	40	uint64_t user1;
	41	uint64_t user2;
	42	};
	43
	44	#define IOAT_DMA_DESCRIPTOR_CTL_INT_GN 0x00000001
	45	#define IOAT_DMA_DESCRIPTOR_CTL_SRC_SN 0x00000002
	46	#define IOAT_DMA_DESCRIPTOR_CTL_DST_SN 0x00000004
	47	#define IOAT_DMA_DESCRIPTOR_CTL_CP_STS 0x00000008
	48	#define IOAT_DMA_DESCRIPTOR_CTL_FRAME 0x00000010
	49	#define IOAT_DMA_DESCRIPTOR_NUL 0x00000020
	50	#define IOAT_DMA_DESCRIPTOR_OPCODE 0xFF000000
	51
	52	#endif