1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * This file is part of the Chelsio FCoE driver for Linux.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * This software is available to you under a choice of one of two
7*4882a593Smuzhiyun * licenses. You may choose to be licensed under the terms of the GNU
8*4882a593Smuzhiyun * General Public License (GPL) Version 2, available from the file
9*4882a593Smuzhiyun * COPYING in the main directory of this source tree, or the
10*4882a593Smuzhiyun * OpenIB.org BSD license below:
11*4882a593Smuzhiyun *
12*4882a593Smuzhiyun * Redistribution and use in source and binary forms, with or
13*4882a593Smuzhiyun * without modification, are permitted provided that the following
14*4882a593Smuzhiyun * conditions are met:
15*4882a593Smuzhiyun *
16*4882a593Smuzhiyun * - Redistributions of source code must retain the above
17*4882a593Smuzhiyun * copyright notice, this list of conditions and the following
18*4882a593Smuzhiyun * disclaimer.
19*4882a593Smuzhiyun *
20*4882a593Smuzhiyun * - Redistributions in binary form must reproduce the above
21*4882a593Smuzhiyun * copyright notice, this list of conditions and the following
22*4882a593Smuzhiyun * disclaimer in the documentation and/or other materials
23*4882a593Smuzhiyun * provided with the distribution.
24*4882a593Smuzhiyun *
25*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26*4882a593Smuzhiyun * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27*4882a593Smuzhiyun * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28*4882a593Smuzhiyun * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29*4882a593Smuzhiyun * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30*4882a593Smuzhiyun * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31*4882a593Smuzhiyun * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32*4882a593Smuzhiyun * SOFTWARE.
33*4882a593Smuzhiyun */
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun #ifndef __CSIO_INIT_H__
36*4882a593Smuzhiyun #define __CSIO_INIT_H__
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun #include <linux/pci.h>
39*4882a593Smuzhiyun #include <linux/if_ether.h>
40*4882a593Smuzhiyun #include <scsi/scsi.h>
41*4882a593Smuzhiyun #include <scsi/scsi_device.h>
42*4882a593Smuzhiyun #include <scsi/scsi_host.h>
43*4882a593Smuzhiyun #include <scsi/scsi_transport_fc.h>
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun #include "csio_scsi.h"
46*4882a593Smuzhiyun #include "csio_lnode.h"
47*4882a593Smuzhiyun #include "csio_rnode.h"
48*4882a593Smuzhiyun #include "csio_hw.h"
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun #define CSIO_DRV_AUTHOR "Chelsio Communications"
51*4882a593Smuzhiyun #define CSIO_DRV_DESC "Chelsio FCoE driver"
52*4882a593Smuzhiyun #define CSIO_DRV_VERSION "1.0.0-ko"
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun extern struct fc_function_template csio_fc_transport_funcs;
55*4882a593Smuzhiyun extern struct fc_function_template csio_fc_transport_vport_funcs;
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun void csio_fchost_attr_init(struct csio_lnode *);
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun /* INTx handlers */
60*4882a593Smuzhiyun void csio_scsi_intx_handler(struct csio_hw *, void *, uint32_t,
61*4882a593Smuzhiyun struct csio_fl_dma_buf *, void *);
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun void csio_fwevt_intx_handler(struct csio_hw *, void *, uint32_t,
64*4882a593Smuzhiyun struct csio_fl_dma_buf *, void *);
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun /* Common os lnode APIs */
67*4882a593Smuzhiyun void csio_lnodes_block_request(struct csio_hw *);
68*4882a593Smuzhiyun void csio_lnodes_unblock_request(struct csio_hw *);
69*4882a593Smuzhiyun void csio_lnodes_block_by_port(struct csio_hw *, uint8_t);
70*4882a593Smuzhiyun void csio_lnodes_unblock_by_port(struct csio_hw *, uint8_t);
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun struct csio_lnode *csio_shost_init(struct csio_hw *, struct device *, bool,
73*4882a593Smuzhiyun struct csio_lnode *);
74*4882a593Smuzhiyun void csio_shost_exit(struct csio_lnode *);
75*4882a593Smuzhiyun void csio_lnodes_exit(struct csio_hw *, bool);
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun /* DebugFS helper routines */
78*4882a593Smuzhiyun void csio_add_debugfs_mem(struct csio_hw *, const char *,
79*4882a593Smuzhiyun unsigned int, unsigned int);
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun static inline struct Scsi_Host *
csio_ln_to_shost(struct csio_lnode * ln)82*4882a593Smuzhiyun csio_ln_to_shost(struct csio_lnode *ln)
83*4882a593Smuzhiyun {
84*4882a593Smuzhiyun return container_of((void *)ln, struct Scsi_Host, hostdata[0]);
85*4882a593Smuzhiyun }
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun /* SCSI -- locking version of get/put ioreqs */
88*4882a593Smuzhiyun static inline struct csio_ioreq *
csio_get_scsi_ioreq_lock(struct csio_hw * hw,struct csio_scsim * scsim)89*4882a593Smuzhiyun csio_get_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim)
90*4882a593Smuzhiyun {
91*4882a593Smuzhiyun struct csio_ioreq *ioreq;
92*4882a593Smuzhiyun unsigned long flags;
93*4882a593Smuzhiyun
94*4882a593Smuzhiyun spin_lock_irqsave(&scsim->freelist_lock, flags);
95*4882a593Smuzhiyun ioreq = csio_get_scsi_ioreq(scsim);
96*4882a593Smuzhiyun spin_unlock_irqrestore(&scsim->freelist_lock, flags);
97*4882a593Smuzhiyun
98*4882a593Smuzhiyun return ioreq;
99*4882a593Smuzhiyun }
100*4882a593Smuzhiyun
101*4882a593Smuzhiyun static inline void
csio_put_scsi_ioreq_lock(struct csio_hw * hw,struct csio_scsim * scsim,struct csio_ioreq * ioreq)102*4882a593Smuzhiyun csio_put_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim,
103*4882a593Smuzhiyun struct csio_ioreq *ioreq)
104*4882a593Smuzhiyun {
105*4882a593Smuzhiyun unsigned long flags;
106*4882a593Smuzhiyun
107*4882a593Smuzhiyun spin_lock_irqsave(&scsim->freelist_lock, flags);
108*4882a593Smuzhiyun csio_put_scsi_ioreq(scsim, ioreq);
109*4882a593Smuzhiyun spin_unlock_irqrestore(&scsim->freelist_lock, flags);
110*4882a593Smuzhiyun }
111*4882a593Smuzhiyun
112*4882a593Smuzhiyun /* Called in interrupt context */
113*4882a593Smuzhiyun static inline void
csio_put_scsi_ioreq_list_lock(struct csio_hw * hw,struct csio_scsim * scsim,struct list_head * reqlist,int n)114*4882a593Smuzhiyun csio_put_scsi_ioreq_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
115*4882a593Smuzhiyun struct list_head *reqlist, int n)
116*4882a593Smuzhiyun {
117*4882a593Smuzhiyun unsigned long flags;
118*4882a593Smuzhiyun
119*4882a593Smuzhiyun spin_lock_irqsave(&scsim->freelist_lock, flags);
120*4882a593Smuzhiyun csio_put_scsi_ioreq_list(scsim, reqlist, n);
121*4882a593Smuzhiyun spin_unlock_irqrestore(&scsim->freelist_lock, flags);
122*4882a593Smuzhiyun }
123*4882a593Smuzhiyun
124*4882a593Smuzhiyun /* Called in interrupt context */
125*4882a593Smuzhiyun static inline void
csio_put_scsi_ddp_list_lock(struct csio_hw * hw,struct csio_scsim * scsim,struct list_head * reqlist,int n)126*4882a593Smuzhiyun csio_put_scsi_ddp_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
127*4882a593Smuzhiyun struct list_head *reqlist, int n)
128*4882a593Smuzhiyun {
129*4882a593Smuzhiyun unsigned long flags;
130*4882a593Smuzhiyun
131*4882a593Smuzhiyun spin_lock_irqsave(&hw->lock, flags);
132*4882a593Smuzhiyun csio_put_scsi_ddp_list(scsim, reqlist, n);
133*4882a593Smuzhiyun spin_unlock_irqrestore(&hw->lock, flags);
134*4882a593Smuzhiyun }
135*4882a593Smuzhiyun
136*4882a593Smuzhiyun #endif /* ifndef __CSIO_INIT_H__ */
137