hw-me.h 2.2 KB

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  1. /*
  2. *
  3. * Intel Management Engine Interface (Intel MEI) Linux driver
  4. * Copyright (c) 2003-2012, Intel Corporation.
  5. *
  6. * This program is free software; you can redistribute it and/or modify it
  7. * under the terms and conditions of the GNU General Public License,
  8. * version 2, as published by the Free Software Foundation.
  9. *
  10. * This program is distributed in the hope it will be useful, but WITHOUT
  11. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  13. * more details.
  14. *
  15. */
  16. #ifndef _MEI_INTERFACE_H_
  17. #define _MEI_INTERFACE_H_
  18. #include <linux/irqreturn.h>
  19. #include <linux/pci.h>
  20. #include <linux/mei.h>
  21. #include "mei_dev.h"
  22. #include "client.h"
  23. /*
  24. * mei_cfg - mei device configuration
  25. *
  26. * @fw_status: FW status
  27. * @quirk_probe: device exclusion quirk
  28. */
  29. struct mei_cfg {
  30. const struct mei_fw_status fw_status;
  31. bool (*quirk_probe)(struct pci_dev *pdev);
  32. };
  33. #define MEI_PCI_DEVICE(dev, cfg) \
  34. .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
  35. .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
  36. .driver_data = (kernel_ulong_t)&(cfg)
  37. #define MEI_ME_RPM_TIMEOUT 500 /* ms */
  38. /**
  39. * struct mei_me_hw - me hw specific data
  40. *
  41. * @cfg: per device generation config and ops
  42. * @mem_addr: io memory address
  43. * @intr_source: interrupt source
  44. * @pg_state: power gating state
  45. * @d0i3_supported: di03 support
  46. */
  47. struct mei_me_hw {
  48. const struct mei_cfg *cfg;
  49. void __iomem *mem_addr;
  50. u32 intr_source;
  51. enum mei_pg_state pg_state;
  52. bool d0i3_supported;
  53. };
  54. #define to_me_hw(dev) (struct mei_me_hw *)((dev)->hw)
  55. extern const struct mei_cfg mei_me_legacy_cfg;
  56. extern const struct mei_cfg mei_me_ich_cfg;
  57. extern const struct mei_cfg mei_me_pch_cfg;
  58. extern const struct mei_cfg mei_me_pch_cpt_pbg_cfg;
  59. extern const struct mei_cfg mei_me_pch8_cfg;
  60. extern const struct mei_cfg mei_me_pch8_sps_cfg;
  61. struct mei_device *mei_me_dev_init(struct pci_dev *pdev,
  62. const struct mei_cfg *cfg);
  63. int mei_me_pg_enter_sync(struct mei_device *dev);
  64. int mei_me_pg_exit_sync(struct mei_device *dev);
  65. irqreturn_t mei_me_irq_quick_handler(int irq, void *dev_id);
  66. irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id);
  67. #endif /* _MEI_INTERFACE_H_ */