/*
* IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. By downloading, copying, installing or
* using the software you agree to this license. If you do not agree to this license, do not download, install,
* copy or use the software.
*
* Intel License Agreement
*
* Copyright (c) 2000, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that
* the following conditions are met:
*
* -Redistributions of source code must retain the above copyright notice, this list of conditions and the
* following disclaimer.
*
* -Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
*
* -The name of Intel Corporation may not be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Intel iSCSI Driver
*/
#ifndef _DRIVER_H_
#define _DRIVER_H_
#include "iscsi.h"
#include "iscsiutil.h"
#include "initiator.h"
/*
* Driver configuration
*/
#define CONFIG_DRIVER_MAX_LUNS 1024
/*
* Internal
*/
static int driver_init(void);
static int driver_shutdown(void);
typedef struct iscsi_driver_stats_t {
unsigned num_tx, num_tx_queued;
unsigned num_rx, num_rx_queued;
unsigned avg_tx, avg_rx;
unsigned tx_queued, tx, tx_error, tx_overflow;
unsigned rx_queued, rx, rx_error, rx_overflow;
unsigned aborts_success, aborts_failed;
unsigned device_resets, bus_resets, host_resets;
iscsi_spin_t lock;
} iscsi_driver_stats_t;
/*
* Kernel Interface
*/
int iscsi_proc_info (char *, char **, off_t, int, int, int);
int iscsi_detect(Scsi_Host_Template *);
int iscsi_release(struct Scsi_Host *);
int iscsi_ioctl(Scsi_Device *dev, int cmd, void *arg);
int iscsi_command(Scsi_Cmnd *SCpnt);
int iscsi_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
int iscsi_bios_param(Disk *, kdev_t, int *);
int iscsi_abort_handler (Scsi_Cmnd *SCpnt);
int iscsi_device_reset_handler (Scsi_Cmnd *);
int iscsi_bus_reset_handler (Scsi_Cmnd *);
int iscsi_host_reset_handler(Scsi_Cmnd *);
#if LINUX_VERSION_CODE >= LinuxVersionCode(2,3,0)
int iscsi_revoke (Scsi_Device *ptr);
void iscsi_select_queue_depths(struct Scsi_Host *, Scsi_Device *);
#endif
#if LINUX_VERSION_CODE < LinuxVersionCode(2,4,0)
extern struct proc_dir_entry iscsi_proc_dir;
#endif
#if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0)
#define ISCSI { \
name: "Intel iSCSI Driver", \
proc_dir: NULL, \
proc_info: iscsi_proc_info, \
detect: iscsi_detect, \
bios_param: iscsi_bios_param, \
release: iscsi_release, \
revoke: NULL, \
ioctl: iscsi_ioctl, \
command: iscsi_command, \
queuecommand: iscsi_queuecommand, \
select_queue_depths: iscsi_select_queue_depths, \
eh_strategy_handler: NULL, \
eh_abort_handler: iscsi_abort_handler, \
eh_device_reset_handler: iscsi_device_reset_handler, \
eh_bus_reset_handler: iscsi_bus_reset_handler, \
eh_host_reset_handler: iscsi_host_reset_handler, \
slave_attach: NULL, \
can_queue: CONFIG_INITIATOR_QUEUE_DEPTH, \
this_id: -1, \
sg_tablesize: 128, \
cmd_per_lun: 1, /* linked commands not supported */ \
present: 0, \
unchecked_isa_dma: 0, \
use_clustering: 0, \
use_new_eh_code: 1, \
emulated: 0, \
next: NULL, \
module: NULL, \
info: NULL, \
proc_name: "iscsi" \
}
#elif LINUX_VERSION_CODE >= LinuxVersionCode(2,2,0)
#define ISCSI { \
name: "Intel iSCSI Driver", \
proc_dir: &iscsi_proc_dir, \
proc_info: iscsi_proc_info, \
detect: iscsi_detect, \
bios_param: iscsi_bios_param, \
release: iscsi_release, \
ioctl: iscsi_ioctl, \
command: iscsi_command, \
queuecommand: iscsi_queuecommand, \
eh_strategy_handler: NULL, \
eh_abort_handler: iscsi_abort_handler, \
eh_device_reset_handler: iscsi_device_reset_handler, \
eh_bus_reset_handler: iscsi_bus_reset_handler, \
eh_host_reset_handler: iscsi_host_reset_handler, \
use_new_eh_code: 1, \
can_queue: CONFIG_INITIATOR_QUEUE_DEPTH, \
sg_tablesize: SG_ALL, \
cmd_per_lun: 1, /* linked commands not supported */ \
this_id: -1, \
present: 0, \
unchecked_isa_dma: 0, \
use_clustering: 0, \
slave_attach: NULL, \
next: NULL, \
module: NULL, \
info: NULL, \
emulated: 0 \
}
#endif /* LINUX_VERSION_CODE */
#endif /* _DRIVER_H_ */