csio_init.h 4.3 KB

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  1. /*
  2. * This file is part of the Chelsio FCoE driver for Linux.
  3. *
  4. * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
  5. *
  6. * This software is available to you under a choice of one of two
  7. * licenses. You may choose to be licensed under the terms of the GNU
  8. * General Public License (GPL) Version 2, available from the file
  9. * COPYING in the main directory of this source tree, or the
  10. * OpenIB.org BSD license below:
  11. *
  12. * Redistribution and use in source and binary forms, with or
  13. * without modification, are permitted provided that the following
  14. * conditions are met:
  15. *
  16. * - Redistributions of source code must retain the above
  17. * copyright notice, this list of conditions and the following
  18. * disclaimer.
  19. *
  20. * - Redistributions in binary form must reproduce the above
  21. * copyright notice, this list of conditions and the following
  22. * disclaimer in the documentation and/or other materials
  23. * provided with the distribution.
  24. *
  25. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29. * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30. * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32. * SOFTWARE.
  33. */
  34. #ifndef __CSIO_INIT_H__
  35. #define __CSIO_INIT_H__
  36. #include <linux/pci.h>
  37. #include <linux/if_ether.h>
  38. #include <scsi/scsi.h>
  39. #include <scsi/scsi_device.h>
  40. #include <scsi/scsi_host.h>
  41. #include <scsi/scsi_transport_fc.h>
  42. #include "csio_scsi.h"
  43. #include "csio_lnode.h"
  44. #include "csio_rnode.h"
  45. #include "csio_hw.h"
  46. #define CSIO_DRV_AUTHOR "Chelsio Communications"
  47. #define CSIO_DRV_DESC "Chelsio FCoE driver"
  48. #define CSIO_DRV_VERSION "1.0.0-ko"
  49. extern struct fc_function_template csio_fc_transport_funcs;
  50. extern struct fc_function_template csio_fc_transport_vport_funcs;
  51. void csio_fchost_attr_init(struct csio_lnode *);
  52. /* INTx handlers */
  53. void csio_scsi_intx_handler(struct csio_hw *, void *, uint32_t,
  54. struct csio_fl_dma_buf *, void *);
  55. void csio_fwevt_intx_handler(struct csio_hw *, void *, uint32_t,
  56. struct csio_fl_dma_buf *, void *);
  57. /* Common os lnode APIs */
  58. void csio_lnodes_block_request(struct csio_hw *);
  59. void csio_lnodes_unblock_request(struct csio_hw *);
  60. void csio_lnodes_block_by_port(struct csio_hw *, uint8_t);
  61. void csio_lnodes_unblock_by_port(struct csio_hw *, uint8_t);
  62. struct csio_lnode *csio_shost_init(struct csio_hw *, struct device *, bool,
  63. struct csio_lnode *);
  64. void csio_shost_exit(struct csio_lnode *);
  65. void csio_lnodes_exit(struct csio_hw *, bool);
  66. /* DebugFS helper routines */
  67. void csio_add_debugfs_mem(struct csio_hw *, const char *,
  68. unsigned int, unsigned int);
  69. static inline struct Scsi_Host *
  70. csio_ln_to_shost(struct csio_lnode *ln)
  71. {
  72. return container_of((void *)ln, struct Scsi_Host, hostdata[0]);
  73. }
  74. /* SCSI -- locking version of get/put ioreqs */
  75. static inline struct csio_ioreq *
  76. csio_get_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim)
  77. {
  78. struct csio_ioreq *ioreq;
  79. unsigned long flags;
  80. spin_lock_irqsave(&scsim->freelist_lock, flags);
  81. ioreq = csio_get_scsi_ioreq(scsim);
  82. spin_unlock_irqrestore(&scsim->freelist_lock, flags);
  83. return ioreq;
  84. }
  85. static inline void
  86. csio_put_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim,
  87. struct csio_ioreq *ioreq)
  88. {
  89. unsigned long flags;
  90. spin_lock_irqsave(&scsim->freelist_lock, flags);
  91. csio_put_scsi_ioreq(scsim, ioreq);
  92. spin_unlock_irqrestore(&scsim->freelist_lock, flags);
  93. }
  94. /* Called in interrupt context */
  95. static inline void
  96. csio_put_scsi_ioreq_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
  97. struct list_head *reqlist, int n)
  98. {
  99. unsigned long flags;
  100. spin_lock_irqsave(&scsim->freelist_lock, flags);
  101. csio_put_scsi_ioreq_list(scsim, reqlist, n);
  102. spin_unlock_irqrestore(&scsim->freelist_lock, flags);
  103. }
  104. /* Called in interrupt context */
  105. static inline void
  106. csio_put_scsi_ddp_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
  107. struct list_head *reqlist, int n)
  108. {
  109. unsigned long flags;
  110. spin_lock_irqsave(&hw->lock, flags);
  111. csio_put_scsi_ddp_list(scsim, reqlist, n);
  112. spin_unlock_irqrestore(&hw->lock, flags);
  113. }
  114. #endif /* ifndef __CSIO_INIT_H__ */