1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFAD_IM_H__
#define __BFAD_IM_H__
#include "fcs/bfa_fcs_fcpim.h"
#include "bfad_im_compat.h"
#define FCPI_NAME " fcpim"
bfa_status_t bfad_im_module_init(void);
void bfad_im_module_exit(void);
bfa_status_t bfad_im_probe(struct bfad_s *bfad);
void bfad_im_probe_undo(struct bfad_s *bfad);
void bfad_im_probe_post(struct bfad_im_s *im);
bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port);
void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port);
void bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port);
void bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port);
void bfad_im_port_clean(struct bfad_im_port_s *im_port);
int bfad_im_scsi_host_alloc(struct bfad_s *bfad,
struct bfad_im_port_s *im_port, struct device *dev);
void bfad_im_scsi_host_free(struct bfad_s *bfad,
struct bfad_im_port_s *im_port);
#define MAX_FCP_TARGET 1024
#define MAX_FCP_LUN 16384
#define BFAD_TARGET_RESET_TMO 60
#define BFAD_LUN_RESET_TMO 60
#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
#define BFA_QUEUE_FULL_RAMP_UP_TIME 120
#define BFAD_KOBJ_NAME_LEN 20
/*
* itnim flags
*/
#define ITNIM_MAPPED 0x00000001
#define SCSI_TASK_MGMT 0x00000001
#define IO_DONE_BIT 0
struct bfad_itnim_data_s {
struct bfad_itnim_s *itnim;
};
struct bfad_im_port_s {
struct bfad_s *bfad;
struct bfad_port_s *port;
struct work_struct port_delete_work;
int idr_id;
u16 cur_scsi_id;
u16 flags;
struct list_head binding_list;
struct Scsi_Host *shost;
struct list_head itnim_mapped_list;
struct fc_vport *fc_vport;
};
enum bfad_itnim_state {
ITNIM_STATE_NONE,
ITNIM_STATE_ONLINE,
ITNIM_STATE_OFFLINE_PENDING,
ITNIM_STATE_OFFLINE,
ITNIM_STATE_TIMEOUT,
ITNIM_STATE_FREE,
};
/*
* Per itnim data structure
*/
struct bfad_itnim_s {
struct list_head list_entry;
struct bfa_fcs_itnim_s fcs_itnim;
struct work_struct itnim_work;
u32 flags;
enum bfad_itnim_state state;
struct bfad_im_s *im;
struct bfad_im_port_s *im_port;
struct bfad_rport_s *drv_rport;
struct fc_rport *fc_rport;
struct bfa_itnim_s *bfa_itnim;
u16 scsi_tgt_id;
u16 queue_work;
unsigned long last_ramp_up_time;
unsigned long last_queue_full_time;
};
enum bfad_binding_type {
FCP_PWWN_BINDING = 0x1,
FCP_NWWN_BINDING = 0x2,
FCP_FCID_BINDING = 0x3,
};
struct bfad_fcp_binding {
struct list_head list_entry;
enum bfad_binding_type binding_type;
u16 scsi_target_id;
u32 fc_id;
wwn_t nwwn;
wwn_t pwwn;
};
struct bfad_im_s {
struct bfad_s *bfad;
struct workqueue_struct *drv_workq;
char drv_workq_name[BFAD_KOBJ_NAME_LEN];
};
struct Scsi_Host *bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port,
struct bfad_s *);
bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad);
void bfad_os_destroy_workq(struct bfad_im_s *im);
void bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv);
void bfad_os_fc_host_init(struct bfad_im_port_s *im_port);
void bfad_os_scsi_host_free(struct bfad_s *bfad,
struct bfad_im_port_s *im_port);
void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim,
struct scsi_device *sdev);
void bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev);
struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id);
int bfad_os_scsi_add_host(struct Scsi_Host *shost,
struct bfad_im_port_s *im_port, struct bfad_s *bfad);
void bfad_im_itnim_unmap(struct bfad_im_port_s *im_port,
struct bfad_itnim_s *itnim);
extern struct scsi_host_template bfad_im_scsi_host_template;
extern struct scsi_host_template bfad_im_vport_template;
extern struct fc_function_template bfad_im_fc_function_template;
extern struct fc_function_template bfad_im_vport_fc_function_template;
extern struct scsi_transport_template *bfad_im_scsi_transport_template;
extern struct scsi_transport_template *bfad_im_scsi_vport_transport_template;
#endif
|
