aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/bfa/bfad_im.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/bfa/bfad_im.h')
-rw-r--r--drivers/scsi/bfa/bfad_im.h150
1 files changed, 150 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfad_im.h b/drivers/scsi/bfa/bfad_im.h
new file mode 100644
index 000000000000..189a5b29e21a
--- /dev/null
+++ b/drivers/scsi/bfa/bfad_im.h
@@ -0,0 +1,150 @@
1/*
2 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 */
17
18#ifndef __BFAD_IM_H__
19#define __BFAD_IM_H__
20
21#include "fcs/bfa_fcs_fcpim.h"
22#include "bfad_im_compat.h"
23
24#define FCPI_NAME " fcpim"
25
26void bfad_flags_set(struct bfad_s *bfad, u32 flags);
27bfa_status_t bfad_im_module_init(void);
28void bfad_im_module_exit(void);
29bfa_status_t bfad_im_probe(struct bfad_s *bfad);
30void bfad_im_probe_undo(struct bfad_s *bfad);
31void bfad_im_probe_post(struct bfad_im_s *im);
32bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port);
33void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port);
34void bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port);
35void bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port);
36void bfad_im_port_clean(struct bfad_im_port_s *im_port);
37int bfad_im_scsi_host_alloc(struct bfad_s *bfad,
38 struct bfad_im_port_s *im_port);
39void bfad_im_scsi_host_free(struct bfad_s *bfad,
40 struct bfad_im_port_s *im_port);
41
42#define MAX_FCP_TARGET 1024
43#define MAX_FCP_LUN 16384
44#define BFAD_TARGET_RESET_TMO 60
45#define BFAD_LUN_RESET_TMO 60
46#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
47#define BFA_QUEUE_FULL_RAMP_UP_TIME 120
48#define BFAD_KOBJ_NAME_LEN 20
49
50/*
51 * itnim flags
52 */
53#define ITNIM_MAPPED 0x00000001
54
55#define SCSI_TASK_MGMT 0x00000001
56#define IO_DONE_BIT 0
57
58struct bfad_itnim_data_s {
59 struct bfad_itnim_s *itnim;
60};
61
62struct bfad_im_port_s {
63 struct bfad_s *bfad;
64 struct bfad_port_s *port;
65 struct work_struct port_delete_work;
66 int idr_id;
67 u16 cur_scsi_id;
68 struct list_head binding_list;
69 struct Scsi_Host *shost;
70 struct list_head itnim_mapped_list;
71};
72
73enum bfad_itnim_state {
74 ITNIM_STATE_NONE,
75 ITNIM_STATE_ONLINE,
76 ITNIM_STATE_OFFLINE_PENDING,
77 ITNIM_STATE_OFFLINE,
78 ITNIM_STATE_TIMEOUT,
79 ITNIM_STATE_FREE,
80};
81
82/*
83 * Per itnim data structure
84 */
85struct bfad_itnim_s {
86 struct list_head list_entry;
87 struct bfa_fcs_itnim_s fcs_itnim;
88 struct work_struct itnim_work;
89 u32 flags;
90 enum bfad_itnim_state state;
91 struct bfad_im_s *im;
92 struct bfad_im_port_s *im_port;
93 struct bfad_rport_s *drv_rport;
94 struct fc_rport *fc_rport;
95 struct bfa_itnim_s *bfa_itnim;
96 u16 scsi_tgt_id;
97 u16 queue_work;
98 unsigned long last_ramp_up_time;
99 unsigned long last_queue_full_time;
100};
101
102enum bfad_binding_type {
103 FCP_PWWN_BINDING = 0x1,
104 FCP_NWWN_BINDING = 0x2,
105 FCP_FCID_BINDING = 0x3,
106};
107
108struct bfad_fcp_binding {
109 struct list_head list_entry;
110 enum bfad_binding_type binding_type;
111 u16 scsi_target_id;
112 u32 fc_id;
113 wwn_t nwwn;
114 wwn_t pwwn;
115};
116
117struct bfad_im_s {
118 struct bfad_s *bfad;
119 struct workqueue_struct *drv_workq;
120 char drv_workq_name[BFAD_KOBJ_NAME_LEN];
121};
122
123struct Scsi_Host *bfad_os_scsi_host_alloc(struct bfad_im_port_s *im_port,
124 struct bfad_s *);
125bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad);
126void bfad_os_destroy_workq(struct bfad_im_s *im);
127void bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv);
128void bfad_os_fc_host_init(struct bfad_im_port_s *im_port);
129void bfad_os_init_work(struct bfad_im_port_s *im_port);
130void bfad_os_scsi_host_free(struct bfad_s *bfad,
131 struct bfad_im_port_s *im_port);
132void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim,
133 struct scsi_device *sdev);
134void bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev);
135struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id);
136int bfad_os_scsi_add_host(struct Scsi_Host *shost,
137 struct bfad_im_port_s *im_port, struct bfad_s *bfad);
138
139/*
140 * scsi_host_template entries
141 */
142void bfad_im_itnim_unmap(struct bfad_im_port_s *im_port,
143 struct bfad_itnim_s *itnim);
144
145extern struct scsi_host_template bfad_im_scsi_host_template;
146extern struct scsi_host_template bfad_im_vport_template;
147extern struct fc_function_template bfad_im_fc_function_template;
148extern struct scsi_transport_template *bfad_im_scsi_transport_template;
149
150#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-01 02:27:23 -0400