src/add-ons/kernel/bus_managers/ide/ide_sim.h

   1 /*
   2 ** Copyright 2002/03, Thomas Kurschel. All rights reserved.
   3 ** Distributed under the terms of the OpenBeOS License.
   4 */
   5
   6 /*
   7         Part of Open IDE bus manager
   8
   9         Interface between ide and scsi bus manager
  10 */
  11
  12
  13 #ifndef __IDE_SIM_H__
  14 #define __IDE_SIM_H__
  15
  16
  17 #include <sys/cdefs.h>
  18
  19 #include "scsi_cmds.h"
  20
  21
  22 extern scsi_for_sim_interface *scsi;
  23 extern scsi_sim_interface ide_sim_module;
  24
  25 // set sense of current request
  26 static inline void
  27 set_sense(ide_device_info *device, int sense_key, int sense_asc)
  28 {
  29         device->new_combined_sense = (sense_key << 16) | sense_asc;
  30 }
  31
  32 // retrieve key from combined sense
  33 static inline uint8
  34 decode_sense_key(uint32 combined_sense)
  35 {
  36         return (combined_sense >> 16) & 0xff;
  37 }
  38
  39 // retrieve asc from combined sense
  40 static inline uint8
  41 decode_sense_asc(uint32 combined_sense)
  42 {
  43         return (combined_sense >> 8) & 0xff;
  44 }
  45
  46 // retrieve ascq from combined sense
  47 static inline uint8
  48 decode_sense_ascq(uint32 combined_sense)
  49 {
  50         return combined_sense & 0xff;
  51 }
  52
  53 // retrieve asc and ascq from combined sense
  54 static inline uint16
  55 decode_sense_asc_ascq(uint32 combined_sense)
  56 {
  57         return combined_sense & 0xffff;
  58 }
  59
  60 void finish_request(ide_qrequest *qrequest, bool resubmit);
  61 void finish_reset_queue(ide_qrequest *qrequest);
  62 void finish_retry(ide_qrequest *qrequest);
  63 void finish_all_requests(ide_device_info *device, ide_qrequest *ignore,
  64                 int subsys_status, bool resubmit);
  65 void finish_checksense(ide_qrequest *qrequest);
  66
  67
  68 // start request by resetting sense
  69 static inline void
  70 start_request(ide_device_info *device, ide_qrequest *qrequest)
  71 {
  72         device->new_combined_sense = 0;
  73         device->subsys_status = SCSI_REQ_CMP;
  74         qrequest->request->device_status = SCSI_STATUS_GOOD;
  75 }
  76
  77
  78 __BEGIN_DECLS
  79
  80 void create_sense(ide_device_info *device, scsi_sense *sense);
  81
  82 __END_DECLS
  83
  84
  85 #endif