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linux-vybrid_pu...
/
drivers
/
dma
/
ioat
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hw.h

hw.h 2.1 KB
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  1. /*
    2. 

  2.  * Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved.
    3. 

  3.  *
    4. 

  4.  * This program is free software; you can redistribute it and/or modify it
    5. 

  5.  * under the terms of the GNU General Public License as published by the Free
    6. 

  6.  * Software Foundation; either version 2 of the License, or (at your option)
    7. 

  7.  * any later version.
    8. 

  8.  *
    9. 

  9.  * This program is distributed in the hope that it will be useful, but WITHOUT
    10. 

  10.  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11. 

  11.  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
    12. 

  12.  * more details.
    13. 

  13.  *
    14. 

  14.  * You should have received a copy of the GNU General Public License along with
    15. 

  15.  * this program; if not, write to the Free Software Foundation, Inc., 59
    16. 

  16.  * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
    17. 

  17.  *
    18. 

  18.  * The full GNU General Public License is included in this distribution in the
    19. 

  19.  * file called COPYING.
    20. 

  20.  */
    21. 

  21. #ifndef _IOAT_HW_H_
    22. 

  22. #define _IOAT_HW_H_
    23. 

  23. 

  24. /* PCI Configuration Space Values */
    25. 

  25. #define IOAT_PCI_VID            0x8086
    26. 

  26. #define IOAT_MMIO_BAR		0
    27. 

  27. 

  28. /* CB device ID's */
    29. 

  29. #define IOAT_PCI_DID_5000       0x1A38
    30. 

  30. #define IOAT_PCI_DID_CNB        0x360B
    31. 

  31. #define IOAT_PCI_DID_SCNB       0x65FF
    32. 

  32. #define IOAT_PCI_DID_SNB        0x402F
    33. 

  33. 

  34. #define IOAT_PCI_RID            0x00
    35. 

  35. #define IOAT_PCI_SVID           0x8086
    36. 

  36. #define IOAT_PCI_SID            0x8086
    37. 

  37. #define IOAT_VER_1_2            0x12    /* Version 1.2 */
    38. 

  38. #define IOAT_VER_2_0            0x20    /* Version 2.0 */
    39. 

  39. #define IOAT_VER_3_0            0x30    /* Version 3.0 */
    40. 

  40. 

  41. struct ioat_dma_descriptor {
    42. 

  42. 	uint32_t	size;
    43. 

  43. 	union {
    44. 

  44. 		uint32_t ctl;
    45. 

  45. 		struct {
    46. 

  46. 			unsigned int int_en:1;
    47. 

  47. 			unsigned int src_snoop_dis:1;
    48. 

  48. 			unsigned int dest_snoop_dis:1;
    49. 

  49. 			unsigned int compl_write:1;
    50. 

  50. 			unsigned int fence:1;
    51. 

  51. 			unsigned int null:1;
    52. 

  52. 			unsigned int src_brk:1;
    53. 

  53. 			unsigned int dest_brk:1;
    54. 

  54. 			unsigned int bundle:1;
    55. 

  55. 			unsigned int dest_dca:1;
    56. 

  56. 			unsigned int hint:1;
    57. 

  57. 			unsigned int rsvd2:13;
    58. 

  58. 			unsigned int op:8;
    59. 

  59. 		} ctl_f;
    60. 

  60. 	};
    61. 

  61. 	uint64_t	src_addr;
    62. 

  62. 	uint64_t	dst_addr;
    63. 

  63. 	uint64_t	next;
    64. 

  64. 	uint64_t	rsv1;
    65. 

  65. 	uint64_t	rsv2;
    66. 

  66. 	/* store some driver data in an unused portion of the descriptor */
    67. 

  67. 	union {
    68. 

  68. 		uint64_t	user1;
    69. 

  69. 		uint64_t	tx_cnt;
    70. 

  70. 	};
    71. 

  71. 	uint64_t	user2;
    72. 

  72. };
    73. 

  73. #endif
    74.