diff options
Diffstat (limited to 'kernel/drivers/scsi/csiostor/csio_init.h')
| -rw-r--r-- | kernel/drivers/scsi/csiostor/csio_init.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/kernel/drivers/scsi/csiostor/csio_init.h b/kernel/drivers/scsi/csiostor/csio_init.h new file mode 100644 index 000000000..5cc5d317a --- /dev/null +++ b/kernel/drivers/scsi/csiostor/csio_init.h @@ -0,0 +1,137 @@ +/* + * 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__ */ |