xrp_kernel_report.h 1.8 KB

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  1. /*
  2. * Copyright (c) 2017 Cadence Design Systems Inc.
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining
  5. * a copy of this software and associated documentation files (the
  6. * "Software"), to deal in the Software without restriction, including
  7. * without limitation the rights to use, copy, modify, merge, publish,
  8. * distribute, sublicense, and/or sell copies of the Software, and to
  9. * permit persons to whom the Software is furnished to do so, subject to
  10. * the following conditions:
  11. *
  12. * The above copyright notice and this permission notice shall be included
  13. * in all copies or substantial portions of the Software.
  14. *
  15. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  18. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  19. * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  20. * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  21. * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22. *
  23. * Alternatively you can use and distribute this file under the terms of
  24. * the GNU General Public License version 2 or later.
  25. */
  26. #ifndef XRP_KERNEL_REPORT_H
  27. #define XRP_KERNEL_REPORT_H
  28. // #include "xrp_alloc.h"
  29. #include <linux/interrupt.h>
  30. #include "xrp_kernel_defs.h"
  31. #define REPORT_QUEUE_NUM 8
  32. struct xrp_report_ring_buffer{
  33. volatile __u32 WR;
  34. volatile __u32 RD;
  35. volatile bool is_full;
  36. __u32 max_item;
  37. __u8 data[1];
  38. };
  39. struct xrp_reporter {
  40. struct fasync_struct *fasync;
  41. struct tasklet_struct report_task;
  42. __u64 buffer_virt;
  43. phys_addr_t buffer_phys;
  44. size_t buffer_size;
  45. struct xrp_report_ring_buffer *buffer_list;
  46. };
  47. #endif