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/*
* Low Level Driver for the IBM Microchannel SCSI Subsystem
* (Headerfile, see README.ibmmca for description of the IBM MCA SCSI-driver
* For use under the GNU public license within the Linux-kernel project.
*/
#ifndef _IBMMCA_H
#define _IBMMCA_H
#ifndef LINUX_VERSION_CODE
#include <linux/version.h>
#endif
/* Note to the Linux-toplevel-maintainers:
* This file contains the unified header for all available Linux-distributions.
* For reasons of maintenance, it is recommended to keep this unmodified to
* be downward compatible until I no longer get any requests from people
* using older kernel releases on their PS/2 machines. (23 Apr 2000, M.Lang) */
/* Common forward declarations for all Linux-versions: */
/* Interfaces to the midlevel Linux SCSI driver */
extern int ibmmca_proc_info (char *, char **, off_t, int, int, int);
extern int ibmmca_detect (Scsi_Host_Template *);
extern int ibmmca_release (struct Scsi_Host *);
extern int ibmmca_command (Scsi_Cmnd *);
extern int ibmmca_queuecommand (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
extern int ibmmca_abort (Scsi_Cmnd *);
extern int ibmmca_reset (Scsi_Cmnd *, unsigned int);
extern int ibmmca_biosparam (Disk *, kdev_t, int *);
/*structure for /proc filesystem */
extern struct proc_dir_entry proc_scsi_ibmmca;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,75)
/* Stuff for Linux >= 2.1.75: */
/*
* 2/8/98
* Note to maintainer of IBMMCA. Do not change this initializer back to
* the old format. Please ask eric@andante.jic.com if you have any questions
* about this, but it will break things in the future.
*/
/*initialization for Scsi_host_template type (Linux >= 2.1.75 && < 2.3.27) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,27)
#define IBMMCA { \
proc_dir: &proc_scsi_ibmmca, /*proc_dir*/ \
proc_info: ibmmca_proc_info, /*proc info fn*/ \
name: "IBM SCSI-Subsystem", /*name*/ \
detect: ibmmca_detect, /*detect fn*/ \
release: ibmmca_release, /*release fn*/ \
command: ibmmca_command, /*command fn*/ \
queuecommand: ibmmca_queuecommand, /*queuecommand fn*/ \
abort: ibmmca_abort, /*abort fn*/ \
reset: ibmmca_reset, /*reset fn*/ \
bios_param: ibmmca_biosparam, /*bios fn*/ \
can_queue: 16, /*can_queue*/ \
this_id: 7, /*set by detect*/ \
sg_tablesize: 16, /*sg_tablesize*/ \
cmd_per_lun: 1, /*cmd_per_lun*/ \
unchecked_isa_dma: 0, /*32-Bit Busmaster */ \
use_clustering: ENABLE_CLUSTERING /*use_clustering*/ \
}
#else
#define IBMMCA { \
proc_name: "ibmmca", /*proc_name*/ \
proc_info: ibmmca_proc_info, /*proc info fn*/ \
name: "IBM SCSI-Subsystem", /*name*/ \
detect: ibmmca_detect, /*detect fn*/ \
release: ibmmca_release, /*release fn*/ \
command: ibmmca_command, /*command fn*/ \
queuecommand: ibmmca_queuecommand, /*queuecommand fn*/ \
abort: ibmmca_abort, /*abort fn*/ \
reset: ibmmca_reset, /*reset fn*/ \
bios_param: ibmmca_biosparam, /*bios fn*/ \
can_queue: 16, /*can_queue*/ \
this_id: 7, /*set by detect*/ \
sg_tablesize: 16, /*sg_tablesize*/ \
cmd_per_lun: 1, /*cmd_per_lun*/ \
unchecked_isa_dma: 0, /*32-Bit Busmaster */ \
use_clustering: ENABLE_CLUSTERING /*use_clustering*/ \
}
#endif
#else
/* Stuff for Linux < 2.1.75: */
/*initialization for Scsi_host_template type (Linux < 2.1.75) */
#define IBMMCA { \
NULL, /*next*/ \
NULL, /*usage_count*/ \
&proc_scsi_ibmmca, /*proc_dir*/ \
ibmmca_proc_info, /*proc info fn*/ \
"IBM SCSI-Subsystem", /*name*/ \
ibmmca_detect, /*detect fn*/ \
ibmmca_release, /*release fn*/ \
NULL, /*info fn*/ \
ibmmca_command, /*command fn*/ \
ibmmca_queuecommand, /*queuecommand fn*/ \
ibmmca_abort, /*abort fn*/ \
ibmmca_reset, /*reset fn*/ \
NULL, /*slave_attach fn*/ \
ibmmca_biosparam, /*bios fn*/ \
16, /*can_queue*/ \
7, /*set by detect*/ \
16, /*sg_tablesize*/ \
1, /*cmd_per_lun*/ \
0, /*present*/ \
0, /*unchecked_isa_dma*/ \
ENABLE_CLUSTERING /*use_clustering*/ \
}
#endif /* kernelversion selection */
#endif /* _IBMMCA_H */
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