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1/*2 * This file is part of the Chelsio FCoE driver for Linux.3 *4 * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.5 *6 * This software is available to you under a choice of one of two7 * licenses. You may choose to be licensed under the terms of the GNU8 * General Public License (GPL) Version 2, available from the file9 * COPYING in the main directory of this source tree, or the10 * OpenIB.org BSD license below:11 *12 * Redistribution and use in source and binary forms, with or13 * without modification, are permitted provided that the following14 * conditions are met:15 *16 * - Redistributions of source code must retain the above17 * copyright notice, this list of conditions and the following18 * disclaimer.19 *20 * - Redistributions in binary form must reproduce the above21 * copyright notice, this list of conditions and the following22 * disclaimer in the documentation and/or other materials23 * provided with the distribution.24 *25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE32 * SOFTWARE.33 */34 35#ifndef __CSIO_INIT_H__36#define __CSIO_INIT_H__37 38#include <linux/pci.h>39#include <linux/if_ether.h>40#include <scsi/scsi.h>41#include <scsi/scsi_device.h>42#include <scsi/scsi_host.h>43#include <scsi/scsi_transport_fc.h>44 45#include "csio_scsi.h"46#include "csio_lnode.h"47#include "csio_rnode.h"48#include "csio_hw.h"49 50#define CSIO_DRV_AUTHOR "Chelsio Communications"51#define CSIO_DRV_DESC "Chelsio FCoE driver"52#define CSIO_DRV_VERSION "1.0.0-ko"53 54extern struct fc_function_template csio_fc_transport_funcs;55extern struct fc_function_template csio_fc_transport_vport_funcs;56 57void csio_fchost_attr_init(struct csio_lnode *);58 59/* INTx handlers */60void csio_scsi_intx_handler(struct csio_hw *, void *, uint32_t,61 struct csio_fl_dma_buf *, void *);62 63void csio_fwevt_intx_handler(struct csio_hw *, void *, uint32_t,64 struct csio_fl_dma_buf *, void *);65 66/* Common os lnode APIs */67void csio_lnodes_block_request(struct csio_hw *);68void csio_lnodes_unblock_request(struct csio_hw *);69void csio_lnodes_block_by_port(struct csio_hw *, uint8_t);70void csio_lnodes_unblock_by_port(struct csio_hw *, uint8_t);71 72struct csio_lnode *csio_shost_init(struct csio_hw *, struct device *, bool,73 struct csio_lnode *);74void csio_shost_exit(struct csio_lnode *);75void csio_lnodes_exit(struct csio_hw *, bool);76 77/* DebugFS helper routines */78void csio_add_debugfs_mem(struct csio_hw *, const char *,79 unsigned int, unsigned int);80 81static inline struct Scsi_Host *82csio_ln_to_shost(struct csio_lnode *ln)83{84 return container_of((void *)ln, struct Scsi_Host, hostdata[0]);85}86 87/* SCSI -- locking version of get/put ioreqs */88static inline struct csio_ioreq *89csio_get_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim)90{91 struct csio_ioreq *ioreq;92 unsigned long flags;93 94 spin_lock_irqsave(&scsim->freelist_lock, flags);95 ioreq = csio_get_scsi_ioreq(scsim);96 spin_unlock_irqrestore(&scsim->freelist_lock, flags);97 98 return ioreq;99}100 101static inline void102csio_put_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim,103 struct csio_ioreq *ioreq)104{105 unsigned long flags;106 107 spin_lock_irqsave(&scsim->freelist_lock, flags);108 csio_put_scsi_ioreq(scsim, ioreq);109 spin_unlock_irqrestore(&scsim->freelist_lock, flags);110}111 112/* Called in interrupt context */113static inline void114csio_put_scsi_ioreq_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,115 struct list_head *reqlist, int n)116{117 unsigned long flags;118 119 spin_lock_irqsave(&scsim->freelist_lock, flags);120 csio_put_scsi_ioreq_list(scsim, reqlist, n);121 spin_unlock_irqrestore(&scsim->freelist_lock, flags);122}123 124/* Called in interrupt context */125static inline void126csio_put_scsi_ddp_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,127 struct list_head *reqlist, int n)128{129 unsigned long flags;130 131 spin_lock_irqsave(&hw->lock, flags);132 csio_put_scsi_ddp_list(scsim, reqlist, n);133 spin_unlock_irqrestore(&hw->lock, flags);134}135 136#endif /* ifndef __CSIO_INIT_H__ */137