tcm_loop.h 1.5 KB

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  1. #define TCM_LOOP_VERSION "v2.1-rc2"
  2. #define TL_WWN_ADDR_LEN 256
  3. #define TL_TPGS_PER_HBA 32
  4. /*
  5. * Used in tcm_loop_driver_probe() for struct Scsi_Host->max_cmd_len
  6. */
  7. #define TL_SCSI_MAX_CMD_LEN 32
  8. struct tcm_loop_cmd {
  9. /* State of Linux/SCSI CDB+Data descriptor */
  10. u32 sc_cmd_state;
  11. /* Pointer to the CDB+Data descriptor from Linux/SCSI subsystem */
  12. struct scsi_cmnd *sc;
  13. /* The TCM I/O descriptor that is accessed via container_of() */
  14. struct se_cmd tl_se_cmd;
  15. struct work_struct work;
  16. /* Sense buffer that will be mapped into outgoing status */
  17. unsigned char tl_sense_buf[TRANSPORT_SENSE_BUFFER];
  18. };
  19. struct tcm_loop_tmr {
  20. atomic_t tmr_complete;
  21. wait_queue_head_t tl_tmr_wait;
  22. };
  23. struct tcm_loop_nexus {
  24. int it_nexus_active;
  25. /*
  26. * Pointer to Linux/SCSI HBA from linux/include/scsi_host.h
  27. */
  28. struct scsi_host *sh;
  29. /*
  30. * Pointer to TCM session for I_T Nexus
  31. */
  32. struct se_session *se_sess;
  33. };
  34. struct tcm_loop_nacl {
  35. struct se_node_acl se_node_acl;
  36. };
  37. struct tcm_loop_tpg {
  38. unsigned short tl_tpgt;
  39. atomic_t tl_tpg_port_count;
  40. struct se_portal_group tl_se_tpg;
  41. struct tcm_loop_hba *tl_hba;
  42. };
  43. struct tcm_loop_hba {
  44. u8 tl_proto_id;
  45. unsigned char tl_wwn_address[TL_WWN_ADDR_LEN];
  46. struct se_hba_s *se_hba;
  47. struct se_lun *tl_hba_lun;
  48. struct se_port *tl_hba_lun_sep;
  49. struct se_device_s *se_dev_hba_ptr;
  50. struct tcm_loop_nexus *tl_nexus;
  51. struct device dev;
  52. struct Scsi_Host *sh;
  53. struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
  54. struct se_wwn tl_hba_wwn;
  55. };