2 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
3 * Copyright (c) 2014- QLogic Corporation.
7 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License (GPL) Version 2 as
11 * published by the Free Software Foundation
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
24 #define FCPI_NAME " fcpim"
27 #define KOBJ_NAME_LEN 20
30 bfa_status_t
bfad_im_module_init(void);
31 void bfad_im_module_exit(void);
32 bfa_status_t
bfad_im_probe(struct bfad_s
*bfad
);
33 void bfad_im_probe_undo(struct bfad_s
*bfad
);
34 bfa_status_t
bfad_im_port_new(struct bfad_s
*bfad
, struct bfad_port_s
*port
);
35 void bfad_im_port_delete(struct bfad_s
*bfad
, struct bfad_port_s
*port
);
36 void bfad_im_port_clean(struct bfad_im_port_s
*im_port
);
37 int bfad_im_scsi_host_alloc(struct bfad_s
*bfad
,
38 struct bfad_im_port_s
*im_port
, struct device
*dev
);
39 void bfad_im_scsi_host_free(struct bfad_s
*bfad
,
40 struct bfad_im_port_s
*im_port
);
41 u32
bfad_im_supported_speeds(struct bfa_s
*bfa
);
43 #define MAX_FCP_TARGET 1024
44 #define MAX_FCP_LUN 16384
45 #define BFAD_TARGET_RESET_TMO 60
46 #define BFAD_LUN_RESET_TMO 60
47 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
48 #define BFA_QUEUE_FULL_RAMP_UP_TIME 120
55 struct bfad_itnim_data_s
{
56 struct bfad_itnim_s
*itnim
;
59 struct bfad_im_port_s
{
61 struct bfad_port_s
*port
;
62 struct work_struct port_delete_work
;
66 struct list_head binding_list
;
67 struct Scsi_Host
*shost
;
68 struct list_head itnim_mapped_list
;
69 struct fc_vport
*fc_vport
;
72 struct bfad_im_port_pointer
{
73 struct bfad_im_port_s
*p
;
76 static inline struct bfad_im_port_s
*bfad_get_im_port(struct Scsi_Host
*host
)
78 struct bfad_im_port_pointer
*im_portp
= shost_priv(host
);
82 enum bfad_itnim_state
{
85 ITNIM_STATE_OFFLINE_PENDING
,
92 * Per itnim data structure
95 struct list_head list_entry
;
96 struct bfa_fcs_itnim_s fcs_itnim
;
97 struct work_struct itnim_work
;
99 enum bfad_itnim_state state
;
100 struct bfad_im_s
*im
;
101 struct bfad_im_port_s
*im_port
;
102 struct bfad_rport_s
*drv_rport
;
103 struct fc_rport
*fc_rport
;
104 struct bfa_itnim_s
*bfa_itnim
;
108 unsigned long last_ramp_up_time
;
109 unsigned long last_queue_full_time
;
112 enum bfad_binding_type
{
113 FCP_PWWN_BINDING
= 0x1,
114 FCP_NWWN_BINDING
= 0x2,
115 FCP_FCID_BINDING
= 0x3,
118 struct bfad_fcp_binding
{
119 struct list_head list_entry
;
120 enum bfad_binding_type binding_type
;
129 struct workqueue_struct
*drv_workq
;
130 char drv_workq_name
[KOBJ_NAME_LEN
];
131 struct work_struct aen_im_notify_work
;
134 #define bfad_get_aen_entry(_drv, _entry) do { \
135 unsigned long _flags; \
136 spin_lock_irqsave(&(_drv)->bfad_aen_spinlock, _flags); \
137 bfa_q_deq(&(_drv)->free_aen_q, &(_entry)); \
139 list_add_tail(&(_entry)->qe, &(_drv)->active_aen_q); \
140 spin_unlock_irqrestore(&(_drv)->bfad_aen_spinlock, _flags); \
143 /* post fc_host vendor event */
144 #define bfad_im_post_vendor_event(_entry, _drv, _cnt, _cat, _evt) do { \
145 do_gettimeofday(&(_entry)->aen_tv); \
146 (_entry)->bfad_num = (_drv)->inst_no; \
147 (_entry)->seq_num = (_cnt); \
148 (_entry)->aen_category = (_cat); \
149 (_entry)->aen_type = (_evt); \
150 if ((_drv)->bfad_flags & BFAD_FC4_PROBE_DONE) \
151 queue_work((_drv)->im->drv_workq, \
152 &(_drv)->im->aen_im_notify_work); \
155 struct Scsi_Host
*bfad_scsi_host_alloc(struct bfad_im_port_s
*im_port
,
157 bfa_status_t
bfad_thread_workq(struct bfad_s
*bfad
);
158 void bfad_destroy_workq(struct bfad_im_s
*im
);
159 void bfad_fc_host_init(struct bfad_im_port_s
*im_port
);
160 void bfad_scsi_host_free(struct bfad_s
*bfad
,
161 struct bfad_im_port_s
*im_port
);
162 void bfad_ramp_up_qdepth(struct bfad_itnim_s
*itnim
,
163 struct scsi_device
*sdev
);
164 void bfad_handle_qfull(struct bfad_itnim_s
*itnim
, struct scsi_device
*sdev
);
165 struct bfad_itnim_s
*bfad_get_itnim(struct bfad_im_port_s
*im_port
, int id
);
167 extern struct scsi_host_template bfad_im_scsi_host_template
;
168 extern struct scsi_host_template bfad_im_vport_template
;
169 extern struct fc_function_template bfad_im_fc_function_template
;
170 extern struct fc_function_template bfad_im_vport_fc_function_template
;
171 extern struct scsi_transport_template
*bfad_im_scsi_transport_template
;
172 extern struct scsi_transport_template
*bfad_im_scsi_vport_transport_template
;
174 extern struct device_attribute
*bfad_im_host_attrs
[];
175 extern struct device_attribute
*bfad_im_vport_attrs
[];
177 irqreturn_t
bfad_intx(int irq
, void *dev_id
);
179 int bfad_im_bsg_request(struct bsg_job
*job
);
180 int bfad_im_bsg_timeout(struct bsg_job
*job
);
183 * Macro to set the SCSI device sdev_bflags - sdev_bflags are used by the
184 * SCSI mid-layer to choose LUN Scanning mode REPORT_LUNS vs. Sequential Scan
186 * Internally iterate's over all the ITNIM's part of the im_port & set's the
187 * sdev_bflags for the scsi_device associated with LUN #0.
189 #define bfad_reset_sdev_bflags(__im_port, __lunmask_cfg) do { \
190 struct scsi_device *__sdev = NULL; \
191 struct bfad_itnim_s *__itnim = NULL; \
192 u32 scan_flags = BLIST_NOREPORTLUN | BLIST_SPARSELUN; \
193 list_for_each_entry(__itnim, &((__im_port)->itnim_mapped_list), \
195 __sdev = scsi_device_lookup((__im_port)->shost, \
197 __itnim->scsi_tgt_id, 0); \
199 if ((__lunmask_cfg) == BFA_TRUE) \
200 __sdev->sdev_bflags |= scan_flags; \
202 __sdev->sdev_bflags &= ~scan_flags; \
203 scsi_device_put(__sdev); \