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