csio_init.h
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/*
* This file is part of the Chelsio FCoE driver for Linux.
*
* Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* 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 SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __CSIO_INIT_H__
#define __CSIO_INIT_H__
#include <linux/pci.h>
#include <linux/if_ether.h>
#include <scsi/scsi.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>
#include "csio_scsi.h"
#include "csio_lnode.h"
#include "csio_rnode.h"
#include "csio_hw.h"
#define CSIO_DRV_AUTHOR "Chelsio Communications"
#define CSIO_DRV_LICENSE "Dual BSD/GPL"
#define CSIO_DRV_DESC "Chelsio FCoE driver"
#define CSIO_DRV_VERSION "1.0.0"
extern struct fc_function_template csio_fc_transport_funcs;
extern struct fc_function_template csio_fc_transport_vport_funcs;
void csio_fchost_attr_init(struct csio_lnode *);
/* INTx handlers */
void csio_scsi_intx_handler(struct csio_hw *, void *, uint32_t,
struct csio_fl_dma_buf *, void *);
void csio_fwevt_intx_handler(struct csio_hw *, void *, uint32_t,
struct csio_fl_dma_buf *, void *);
/* Common os lnode APIs */
void csio_lnodes_block_request(struct csio_hw *);
void csio_lnodes_unblock_request(struct csio_hw *);
void csio_lnodes_block_by_port(struct csio_hw *, uint8_t);
void csio_lnodes_unblock_by_port(struct csio_hw *, uint8_t);
struct csio_lnode *csio_shost_init(struct csio_hw *, struct device *, bool,
struct csio_lnode *);
void csio_shost_exit(struct csio_lnode *);
void csio_lnodes_exit(struct csio_hw *, bool);
/* DebugFS helper routines */
void csio_add_debugfs_mem(struct csio_hw *, const char *,
unsigned int, unsigned int);
static inline struct Scsi_Host *
csio_ln_to_shost(struct csio_lnode *ln)
{
return container_of((void *)ln, struct Scsi_Host, hostdata[0]);
}
/* SCSI -- locking version of get/put ioreqs */
static inline struct csio_ioreq *
csio_get_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim)
{
struct csio_ioreq *ioreq;
unsigned long flags;
spin_lock_irqsave(&scsim->freelist_lock, flags);
ioreq = csio_get_scsi_ioreq(scsim);
spin_unlock_irqrestore(&scsim->freelist_lock, flags);
return ioreq;
}
static inline void
csio_put_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim,
struct csio_ioreq *ioreq)
{
unsigned long flags;
spin_lock_irqsave(&scsim->freelist_lock, flags);
csio_put_scsi_ioreq(scsim, ioreq);
spin_unlock_irqrestore(&scsim->freelist_lock, flags);
}
/* Called in interrupt context */
static inline void
csio_put_scsi_ioreq_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
struct list_head *reqlist, int n)
{
unsigned long flags;
spin_lock_irqsave(&scsim->freelist_lock, flags);
csio_put_scsi_ioreq_list(scsim, reqlist, n);
spin_unlock_irqrestore(&scsim->freelist_lock, flags);
}
/* Called in interrupt context */
static inline void
csio_put_scsi_ddp_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
struct list_head *reqlist, int n)
{
unsigned long flags;
spin_lock_irqsave(&hw->lock, flags);
csio_put_scsi_ddp_list(scsim, reqlist, n);
spin_unlock_irqrestore(&hw->lock, flags);
}
#endif /* ifndef __CSIO_INIT_H__ */