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a3667aae NKI |
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" | |
a3667aae | 51 | #define CSIO_DRV_DESC "Chelsio FCoE driver" |
054c62f5 | 52 | #define CSIO_DRV_VERSION "1.0.0-ko" |
a3667aae | 53 | |
a3667aae NKI |
54 | extern struct fc_function_template csio_fc_transport_funcs; |
55 | extern struct fc_function_template csio_fc_transport_vport_funcs; | |
56 | ||
57 | void csio_fchost_attr_init(struct csio_lnode *); | |
58 | ||
59 | /* INTx handlers */ | |
60 | void csio_scsi_intx_handler(struct csio_hw *, void *, uint32_t, | |
61 | struct csio_fl_dma_buf *, void *); | |
62 | ||
63 | void csio_fwevt_intx_handler(struct csio_hw *, void *, uint32_t, | |
64 | struct csio_fl_dma_buf *, void *); | |
65 | ||
66 | /* Common os lnode APIs */ | |
67 | void csio_lnodes_block_request(struct csio_hw *); | |
68 | void csio_lnodes_unblock_request(struct csio_hw *); | |
69 | void csio_lnodes_block_by_port(struct csio_hw *, uint8_t); | |
70 | void csio_lnodes_unblock_by_port(struct csio_hw *, uint8_t); | |
71 | ||
72 | struct csio_lnode *csio_shost_init(struct csio_hw *, struct device *, bool, | |
73 | struct csio_lnode *); | |
74 | void csio_shost_exit(struct csio_lnode *); | |
75 | void csio_lnodes_exit(struct csio_hw *, bool); | |
76 | ||
7cc16380 AB |
77 | /* DebugFS helper routines */ |
78 | void csio_add_debugfs_mem(struct csio_hw *, const char *, | |
79 | unsigned int, unsigned int); | |
80 | ||
a3667aae NKI |
81 | static inline struct Scsi_Host * |
82 | csio_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 */ | |
88 | static inline struct csio_ioreq * | |
89 | csio_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 | ||
101 | static inline void | |
102 | csio_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 */ | |
113 | static inline void | |
114 | csio_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 */ | |
125 | static inline void | |
126 | csio_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__ */ |