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gerrit-public.fairphone.software / kernel / msm-4.9 / 57eccb830f1cc93d4b506ba306d8dfa685e0c88f / . / drivers / scsi / csiostor / csio_init.h
blob: 0838fd7ec9c7a475912dcf43c0edf470a6800624 [file] [log] [blame]
Naresh Kumar Innaa3667aa2012-11-15 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
55#define CSIO_DEVICE(devid, idx) \
56{ PCI_VENDOR_ID_CHELSIO, (devid), PCI_ANY_ID, PCI_ANY_ID, 0, 0, (idx) }
57
58#define CSIO_IS_T4_FPGA(_dev) (((_dev) == CSIO_DEVID_PE10K) ||\
59 ((_dev) == CSIO_DEVID_PE10K_PF1))
60
61/* FCoE device IDs */
62#define CSIO_DEVID_PE10K 0xA000
63#define CSIO_DEVID_PE10K_PF1 0xA001
64#define CSIO_DEVID_T440DBG_FCOE 0x4600
65#define CSIO_DEVID_T420CR_FCOE 0x4601
66#define CSIO_DEVID_T422CR_FCOE 0x4602
67#define CSIO_DEVID_T440CR_FCOE 0x4603
68#define CSIO_DEVID_T420BCH_FCOE 0x4604
69#define CSIO_DEVID_T440BCH_FCOE 0x4605
70#define CSIO_DEVID_T440CH_FCOE 0x4606
71#define CSIO_DEVID_T420SO_FCOE 0x4607
72#define CSIO_DEVID_T420CX_FCOE 0x4608
73#define CSIO_DEVID_T420BT_FCOE 0x4609
74#define CSIO_DEVID_T404BT_FCOE 0x460A
75#define CSIO_DEVID_B420_FCOE 0x460B
76#define CSIO_DEVID_B404_FCOE 0x460C
77#define CSIO_DEVID_T480CR_FCOE 0x460D
78#define CSIO_DEVID_T440LPCR_FCOE 0x460E
79
80extern struct fc_function_template csio_fc_transport_funcs;
81extern struct fc_function_template csio_fc_transport_vport_funcs;
82
83void csio_fchost_attr_init(struct csio_lnode *);
84
85/* INTx handlers */
86void csio_scsi_intx_handler(struct csio_hw *, void *, uint32_t,
87 struct csio_fl_dma_buf *, void *);
88
89void csio_fwevt_intx_handler(struct csio_hw *, void *, uint32_t,
90 struct csio_fl_dma_buf *, void *);
91
92/* Common os lnode APIs */
93void csio_lnodes_block_request(struct csio_hw *);
94void csio_lnodes_unblock_request(struct csio_hw *);
95void csio_lnodes_block_by_port(struct csio_hw *, uint8_t);
96void csio_lnodes_unblock_by_port(struct csio_hw *, uint8_t);
97
98struct csio_lnode *csio_shost_init(struct csio_hw *, struct device *, bool,
99 struct csio_lnode *);
100void csio_shost_exit(struct csio_lnode *);
101void csio_lnodes_exit(struct csio_hw *, bool);
102
103static inline struct Scsi_Host *
104csio_ln_to_shost(struct csio_lnode *ln)
105{
106 return container_of((void *)ln, struct Scsi_Host, hostdata[0]);
107}
108
109/* SCSI -- locking version of get/put ioreqs */
110static inline struct csio_ioreq *
111csio_get_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim)
112{
113 struct csio_ioreq *ioreq;
114 unsigned long flags;
115
116 spin_lock_irqsave(&scsim->freelist_lock, flags);
117 ioreq = csio_get_scsi_ioreq(scsim);
118 spin_unlock_irqrestore(&scsim->freelist_lock, flags);
119
120 return ioreq;
121}
122
123static inline void
124csio_put_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim,
125 struct csio_ioreq *ioreq)
126{
127 unsigned long flags;
128
129 spin_lock_irqsave(&scsim->freelist_lock, flags);
130 csio_put_scsi_ioreq(scsim, ioreq);
131 spin_unlock_irqrestore(&scsim->freelist_lock, flags);
132}
133
134/* Called in interrupt context */
135static inline void
136csio_put_scsi_ioreq_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
137 struct list_head *reqlist, int n)
138{
139 unsigned long flags;
140
141 spin_lock_irqsave(&scsim->freelist_lock, flags);
142 csio_put_scsi_ioreq_list(scsim, reqlist, n);
143 spin_unlock_irqrestore(&scsim->freelist_lock, flags);
144}
145
146/* Called in interrupt context */
147static inline void
148csio_put_scsi_ddp_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
149 struct list_head *reqlist, int n)
150{
151 unsigned long flags;
152
153 spin_lock_irqsave(&hw->lock, flags);
154 csio_put_scsi_ddp_list(scsim, reqlist, n);
155 spin_unlock_irqrestore(&hw->lock, flags);
156}
157
158#endif /* ifndef __CSIO_INIT_H__ */