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