drivers/scsi/ibmmca.h

   1 #ifndef _IBMMCA_H
   2 #define _IBMMCA_H
   3
   4 #ifndef LINUX_VERSION_CODE
   5 #include <linux/version.h>
   6 #endif
   7
   8 #ifndef ibmmca_header_linux_version
   9 #define ibmmca_header_linux_version(v,p,s) (((v)<<16)+((p)<<8)+(s))
  10 #endif
  11
  12 /*
  13  * Low Level Driver for the IBM Microchannel SCSI Subsystem
  14  * (Headerfile, see README.ibmmca for description of the IBM MCA SCSI-driver)
  15  */
  16
  17 /* Common forward declarations for all Linux-versions: */
  18
  19 /*services provided to the higher level of Linux SCSI driver */
  20 extern int ibmmca_proc_info (char *, char **, off_t, int, int, int);
  21 extern int ibmmca_detect (Scsi_Host_Template *);
  22 extern int ibmmca_release (struct Scsi_Host *);
  23 extern int ibmmca_command (Scsi_Cmnd *);
  24 extern int ibmmca_queuecommand (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
  25 extern int ibmmca_abort (Scsi_Cmnd *);
  26 extern int ibmmca_reset (Scsi_Cmnd *, unsigned int);
  27 extern int ibmmca_biosparam (Disk *, kdev_t, int *);
  28
  29 /*structure for /proc filesystem */
  30 extern struct proc_dir_entry proc_scsi_ibmmca;
  31
  32 #if LINUX_VERSION_CODE >= ibmmca_header_linux_version(2,1,0)
  33 /* Stuff for Linux >= 2.1.0: */
  34 /*initialization for Scsi_host_template type (Linux >= 2.1.0) */
  35 /*
  36  * 2/8/98
  37  * Note to maintainer of IBMMCA.  Do not change this initializer back to
  38  * the old format.  Please ask eric@andante.jic.com if you have any questions
  39  * about this, but it will break things in the future.
  40  */
  41 #define IBMMCA {                                                      \
  42           proc_dir:       &proc_scsi_ibmmca,    /*proc_dir*/          \
  43           proc_info:      ibmmca_proc_info,     /*proc info fn*/      \
  44           name:           "IBM SCSI-Subsystem", /*name*/              \
  45           detect:         ibmmca_detect,        /*detect fn*/         \
  46           release:        ibmmca_release,       /*release fn*/        \
  47           command:        ibmmca_command,       /*command fn*/        \
  48           queuecommand:   ibmmca_queuecommand,  /*queuecommand fn*/   \
  49           abort:          ibmmca_abort,         /*abort fn*/          \
  50           reset:          ibmmca_reset,         /*reset fn*/          \
  51           bios_param:     ibmmca_biosparam,     /*bios fn*/           \
  52           can_queue:      16,                   /*can_queue*/         \
  53           this_id:        7,                    /*set by detect*/     \
  54           sg_tablesize:   16,                   /*sg_tablesize*/      \
  55           cmd_per_lun:    1,                    /*cmd_per_lun*/       \
  56           unchecked_isa_dma: 0,                 /*32-Bit Busmaster */ \
  57           use_clustering: ENABLE_CLUSTERING     /*use_clustering*/    \
  58           }
  59
  60 #else
  61 /* Stuff for Linux < 2.1.0: */
  62
  63 /*initialization for Scsi_host_template type (Linux < 2.1.0) */
  64 #define IBMMCA {                                      \
  65           NULL,                 /*next*/              \
  66           NULL,                 /*usage_count*/       \
  67           &proc_scsi_ibmmca,    /*proc_dir*/          \
  68           ibmmca_proc_info,     /*proc info fn*/      \
  69           "IBM SCSI-Subsystem", /*name*/              \
  70           ibmmca_detect,        /*detect fn*/         \
  71           ibmmca_release,       /*release fn*/        \
  72           NULL,                 /*info fn*/           \
  73           ibmmca_command,       /*command fn*/        \
  74           ibmmca_queuecommand,  /*queuecommand fn*/   \
  75           ibmmca_abort,         /*abort fn*/          \
  76           ibmmca_reset,         /*reset fn*/          \
  77           NULL,                 /*slave_attach fn*/   \
  78           ibmmca_biosparam,     /*bios fn*/           \
  79           16,                   /*can_queue*/         \
  80           7,                    /*set by detect*/     \
  81           16,                   /*sg_tablesize*/      \
  82           1,                    /*cmd_per_lun*/       \
  83           0,                    /*present*/           \
  84           0,                    /*unchecked_isa_dma*/ \
  85           ENABLE_CLUSTERING     /*use_clustering*/    \
  86         }
  87 #endif /* kernelversion selection */
  88
  89 #endif /* _IBMMCA_H */