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_DESC "Chelsio FCoE driver" |
52 | #define CSIO_DRV_VERSION "1.0.0-ko" |
53 | |
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 | |
77 | /* DebugFS helper routines */ |
78 | void csio_add_debugfs_mem(struct csio_hw *, const char *, |
79 | unsigned int, unsigned int); |
80 | |
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(scm: scsim); |
96 | spin_unlock_irqrestore(lock: &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(scm: scsim, ioreq); |
109 | spin_unlock_irqrestore(lock: &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(scm: scsim, reqlist, n); |
121 | spin_unlock_irqrestore(lock: &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(scm: scsim, reqlist, n); |
133 | spin_unlock_irqrestore(lock: &hw->lock, flags); |
134 | } |
135 | |
136 | #endif /* ifndef __CSIO_INIT_H__ */ |
137 | |