ioatdma_hw.h 1.7 KB

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  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. /* PCI Configuration Space Values */
  24. #define IOAT_PCI_VID 0x8086
  25. #define IOAT_PCI_DID 0x1A38
  26. #define IOAT_PCI_RID 0x00
  27. #define IOAT_PCI_SVID 0x8086
  28. #define IOAT_PCI_SID 0x8086
  29. #define IOAT_VER 0x12 /* Version 1.2 */
  30. struct ioat_dma_descriptor {
  31. uint32_t size;
  32. uint32_t ctl;
  33. uint64_t src_addr;
  34. uint64_t dst_addr;
  35. uint64_t next;
  36. uint64_t rsv1;
  37. uint64_t rsv2;
  38. uint64_t user1;
  39. uint64_t user2;
  40. };
  41. #define IOAT_DMA_DESCRIPTOR_CTL_INT_GN 0x00000001
  42. #define IOAT_DMA_DESCRIPTOR_CTL_SRC_SN 0x00000002
  43. #define IOAT_DMA_DESCRIPTOR_CTL_DST_SN 0x00000004
  44. #define IOAT_DMA_DESCRIPTOR_CTL_CP_STS 0x00000008
  45. #define IOAT_DMA_DESCRIPTOR_CTL_FRAME 0x00000010
  46. #define IOAT_DMA_DESCRIPTOR_NUL 0x00000020
  47. #define IOAT_DMA_DESCRIPTOR_OPCODE 0xFF000000
  48. #endif