| Naresh Kumar Inna | a3667aa | 2012-11-15 22:41:18 +0530 | [diff] [blame] | 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 two |
| 7 | * licenses. You may choose to be licensed under the terms of the GNU |
| 8 | * General Public License (GPL) Version 2, available from the file |
| 9 | * COPYING in the main directory of this source tree, or the |
| 10 | * OpenIB.org BSD license below: |
| 11 | * |
| 12 | * Redistribution and use in source and binary forms, with or |
| 13 | * without modification, are permitted provided that the following |
| 14 | * conditions are met: |
| 15 | * |
| 16 | * - Redistributions of source code must retain the above |
| 17 | * copyright notice, this list of conditions and the following |
| 18 | * disclaimer. |
| 19 | * |
| 20 | * - Redistributions in binary form must reproduce the above |
| 21 | * copyright notice, this list of conditions and the following |
| 22 | * disclaimer in the documentation and/or other materials |
| 23 | * 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 OF |
| 27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 32 | * 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_LICENSE "Dual BSD/GPL" |
| 52 | #define CSIO_DRV_DESC "Chelsio FCoE driver" |
| 53 | #define CSIO_DRV_VERSION "1.0.0" |
| 54 | |
| Naresh Kumar Inna | a3667aa | 2012-11-15 22:41:18 +0530 | [diff] [blame] | 55 | extern struct fc_function_template csio_fc_transport_funcs; |
| 56 | extern struct fc_function_template csio_fc_transport_vport_funcs; |
| 57 | |
| 58 | void csio_fchost_attr_init(struct csio_lnode *); |
| 59 | |
| 60 | /* INTx handlers */ |
| 61 | void csio_scsi_intx_handler(struct csio_hw *, void *, uint32_t, |
| 62 | struct csio_fl_dma_buf *, void *); |
| 63 | |
| 64 | void csio_fwevt_intx_handler(struct csio_hw *, void *, uint32_t, |
| 65 | struct csio_fl_dma_buf *, void *); |
| 66 | |
| 67 | /* Common os lnode APIs */ |
| 68 | void csio_lnodes_block_request(struct csio_hw *); |
| 69 | void csio_lnodes_unblock_request(struct csio_hw *); |
| 70 | void csio_lnodes_block_by_port(struct csio_hw *, uint8_t); |
| 71 | void csio_lnodes_unblock_by_port(struct csio_hw *, uint8_t); |
| 72 | |
| 73 | struct csio_lnode *csio_shost_init(struct csio_hw *, struct device *, bool, |
| 74 | struct csio_lnode *); |
| 75 | void csio_shost_exit(struct csio_lnode *); |
| 76 | void csio_lnodes_exit(struct csio_hw *, bool); |
| 77 | |
| Arvind Bhushan | 7cc1638 | 2013-03-14 05:09:08 +0000 | [diff] [blame] | 78 | /* DebugFS helper routines */ |
| 79 | void csio_add_debugfs_mem(struct csio_hw *, const char *, |
| 80 | unsigned int, unsigned int); |
| 81 | |
| Naresh Kumar Inna | a3667aa | 2012-11-15 22:41:18 +0530 | [diff] [blame] | 82 | static inline struct Scsi_Host * |
| 83 | csio_ln_to_shost(struct csio_lnode *ln) |
| 84 | { |
| 85 | return container_of((void *)ln, struct Scsi_Host, hostdata[0]); |
| 86 | } |
| 87 | |
| 88 | /* SCSI -- locking version of get/put ioreqs */ |
| 89 | static inline struct csio_ioreq * |
| 90 | csio_get_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim) |
| 91 | { |
| 92 | struct csio_ioreq *ioreq; |
| 93 | unsigned long flags; |
| 94 | |
| 95 | spin_lock_irqsave(&scsim->freelist_lock, flags); |
| 96 | ioreq = csio_get_scsi_ioreq(scsim); |
| 97 | spin_unlock_irqrestore(&scsim->freelist_lock, flags); |
| 98 | |
| 99 | return ioreq; |
| 100 | } |
| 101 | |
| 102 | static inline void |
| 103 | csio_put_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim, |
| 104 | struct csio_ioreq *ioreq) |
| 105 | { |
| 106 | unsigned long flags; |
| 107 | |
| 108 | spin_lock_irqsave(&scsim->freelist_lock, flags); |
| 109 | csio_put_scsi_ioreq(scsim, ioreq); |
| 110 | spin_unlock_irqrestore(&scsim->freelist_lock, flags); |
| 111 | } |
| 112 | |
| 113 | /* Called in interrupt context */ |
| 114 | static inline void |
| 115 | csio_put_scsi_ioreq_list_lock(struct csio_hw *hw, struct csio_scsim *scsim, |
| 116 | struct list_head *reqlist, int n) |
| 117 | { |
| 118 | unsigned long flags; |
| 119 | |
| 120 | spin_lock_irqsave(&scsim->freelist_lock, flags); |
| 121 | csio_put_scsi_ioreq_list(scsim, reqlist, n); |
| 122 | spin_unlock_irqrestore(&scsim->freelist_lock, flags); |
| 123 | } |
| 124 | |
| 125 | /* Called in interrupt context */ |
| 126 | static inline void |
| 127 | csio_put_scsi_ddp_list_lock(struct csio_hw *hw, struct csio_scsim *scsim, |
| 128 | struct list_head *reqlist, int n) |
| 129 | { |
| 130 | unsigned long flags; |
| 131 | |
| 132 | spin_lock_irqsave(&hw->lock, flags); |
| 133 | csio_put_scsi_ddp_list(scsim, reqlist, n); |
| 134 | spin_unlock_irqrestore(&hw->lock, flags); |
| 135 | } |
| 136 | |
| 137 | #endif /* ifndef __CSIO_INIT_H__ */ |