xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_crtn.h (revision 47a8617c)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
5  * EMULEX and SLI are trademarks of Emulex.                        *
6  * www.emulex.com                                                  *
7  *                                                                 *
8  * This program is free software; you can redistribute it and/or   *
9  * modify it under the terms of version 2 of the GNU General       *
10  * Public License as published by the Free Software Foundation.    *
11  * This program is distributed in the hope that it will be useful. *
12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
17  * more details, a copy of which can be found in the file COPYING  *
18  * included with this package.                                     *
19  *******************************************************************/
20 
21 typedef int (*node_filter)(struct lpfc_nodelist *ndlp, void *param);
22 
23 struct fc_rport;
24 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
25 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
26 int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
27 		 struct lpfc_dmabuf *mp);
28 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
29 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
30 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
31 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
32 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
33 int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *,
34 		   uint32_t);
35 void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
36 void lpfc_unreg_did(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
37 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
38 
39 
40 int lpfc_linkdown(struct lpfc_hba *);
41 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
42 
43 void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
44 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
45 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
46 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
47 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
48 void lpfc_dequeue_node(struct lpfc_hba *, struct lpfc_nodelist *);
49 void lpfc_nlp_set_state(struct lpfc_hba *, struct lpfc_nodelist *, int);
50 void lpfc_drop_node(struct lpfc_hba *, struct lpfc_nodelist *);
51 void lpfc_set_disctmo(struct lpfc_hba *);
52 int lpfc_can_disctmo(struct lpfc_hba *);
53 int lpfc_unreg_rpi(struct lpfc_hba *, struct lpfc_nodelist *);
54 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
55 		    struct lpfc_iocbq *, struct lpfc_nodelist *);
56 void lpfc_nlp_init(struct lpfc_hba *, struct lpfc_nodelist *, uint32_t);
57 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
58 int  lpfc_nlp_put(struct lpfc_nodelist *);
59 struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_hba *, uint32_t);
60 void lpfc_disc_list_loopmap(struct lpfc_hba *);
61 void lpfc_disc_start(struct lpfc_hba *);
62 void lpfc_disc_flush_list(struct lpfc_hba *);
63 void lpfc_disc_timeout(unsigned long);
64 
65 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi);
66 struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi);
67 
68 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
69 int lpfc_do_work(void *);
70 int lpfc_disc_state_machine(struct lpfc_hba *, struct lpfc_nodelist *, void *,
71 			    uint32_t);
72 
73 int lpfc_check_sparm(struct lpfc_hba *, struct lpfc_nodelist *,
74 		     struct serv_parm *, uint32_t);
75 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist * ndlp);
76 int lpfc_els_abort_flogi(struct lpfc_hba *);
77 int lpfc_initial_flogi(struct lpfc_hba *);
78 int lpfc_issue_els_plogi(struct lpfc_hba *, uint32_t, uint8_t);
79 int lpfc_issue_els_prli(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
80 int lpfc_issue_els_adisc(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
81 int lpfc_issue_els_logo(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
82 int lpfc_issue_els_scr(struct lpfc_hba *, uint32_t, uint8_t);
83 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
84 int lpfc_els_rsp_acc(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *,
85 		     struct lpfc_nodelist *, LPFC_MBOXQ_t *, uint8_t);
86 int lpfc_els_rsp_reject(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *,
87 			struct lpfc_nodelist *);
88 int lpfc_els_rsp_adisc_acc(struct lpfc_hba *, struct lpfc_iocbq *,
89 			   struct lpfc_nodelist *);
90 int lpfc_els_rsp_prli_acc(struct lpfc_hba *, struct lpfc_iocbq *,
91 			  struct lpfc_nodelist *);
92 void lpfc_cancel_retry_delay_tmo(struct lpfc_hba *, struct lpfc_nodelist *);
93 void lpfc_els_retry_delay(unsigned long);
94 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
95 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
96 			  struct lpfc_iocbq *);
97 int lpfc_els_handle_rscn(struct lpfc_hba *);
98 int lpfc_els_flush_rscn(struct lpfc_hba *);
99 int lpfc_rscn_payload_check(struct lpfc_hba *, uint32_t);
100 void lpfc_els_flush_cmd(struct lpfc_hba *);
101 int lpfc_els_disc_adisc(struct lpfc_hba *);
102 int lpfc_els_disc_plogi(struct lpfc_hba *);
103 void lpfc_els_timeout(unsigned long);
104 void lpfc_els_timeout_handler(struct lpfc_hba *);
105 
106 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
107 			 struct lpfc_iocbq *);
108 int lpfc_ns_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int);
109 int lpfc_fdmi_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int);
110 void lpfc_fdmi_tmo(unsigned long);
111 void lpfc_fdmi_tmo_handler(struct lpfc_hba *);
112 
113 int lpfc_config_port_prep(struct lpfc_hba *);
114 int lpfc_config_port_post(struct lpfc_hba *);
115 int lpfc_hba_down_prep(struct lpfc_hba *);
116 int lpfc_hba_down_post(struct lpfc_hba *);
117 void lpfc_hba_init(struct lpfc_hba *, uint32_t *);
118 int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int, int);
119 void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int);
120 int lpfc_online(struct lpfc_hba *);
121 void lpfc_block_mgmt_io(struct lpfc_hba *);
122 void lpfc_unblock_mgmt_io(struct lpfc_hba *);
123 void lpfc_offline_prep(struct lpfc_hba *);
124 void lpfc_offline(struct lpfc_hba *);
125 
126 int lpfc_sli_setup(struct lpfc_hba *);
127 int lpfc_sli_queue_setup(struct lpfc_hba *);
128 
129 void lpfc_handle_eratt(struct lpfc_hba *);
130 void lpfc_handle_latt(struct lpfc_hba *);
131 irqreturn_t lpfc_intr_handler(int, void *);
132 
133 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
134 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
135 void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
136 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
137 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
138 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
139 int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
140 
141 int lpfc_mem_alloc(struct lpfc_hba *);
142 void lpfc_mem_free(struct lpfc_hba *);
143 
144 void lpfc_poll_timeout(unsigned long ptr);
145 void lpfc_poll_start_timer(struct lpfc_hba * phba);
146 void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba);
147 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
148 void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
149 uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
150 
151 void lpfc_reset_barrier(struct lpfc_hba * phba);
152 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
153 int lpfc_sli_brdkill(struct lpfc_hba *);
154 int lpfc_sli_brdreset(struct lpfc_hba *);
155 int lpfc_sli_brdrestart(struct lpfc_hba *);
156 int lpfc_sli_hba_setup(struct lpfc_hba *);
157 int lpfc_sli_hba_down(struct lpfc_hba *);
158 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
159 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
160 int lpfc_sli_flush_mbox_queue(struct lpfc_hba *);
161 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
162 				    struct lpfc_sli_ring *, uint32_t);
163 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
164 int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
165 			struct lpfc_iocbq *, uint32_t);
166 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
167 int lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
168 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
169 			     struct lpfc_dmabuf *);
170 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
171 					     struct lpfc_sli_ring *,
172 					     dma_addr_t);
173 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
174 			       struct lpfc_iocbq *);
175 int lpfc_sli_sum_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
176 			  uint64_t, lpfc_ctx_cmd);
177 int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
178 			    uint64_t, uint32_t, lpfc_ctx_cmd);
179 
180 void lpfc_mbox_timeout(unsigned long);
181 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
182 
183 struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_hba *, uint32_t);
184 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_hba *, struct lpfc_name *);
185 
186 int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
187 			 uint32_t timeout);
188 
189 int lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
190 			     struct lpfc_sli_ring * pring,
191 			     struct lpfc_iocbq * piocb,
192 			     struct lpfc_iocbq * prspiocbq,
193 			     uint32_t timeout);
194 void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba,
195 			     struct lpfc_iocbq * cmdiocb,
196 			     struct lpfc_iocbq * rspiocb);
197 
198 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
199 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
200 
201 /* Function prototypes. */
202 const char* lpfc_info(struct Scsi_Host *);
203 void lpfc_scan_start(struct Scsi_Host *);
204 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
205 
206 void lpfc_get_cfgparam(struct lpfc_hba *);
207 int lpfc_alloc_sysfs_attr(struct lpfc_hba *);
208 void lpfc_free_sysfs_attr(struct lpfc_hba *);
209 extern struct class_device_attribute *lpfc_host_attrs[];
210 extern struct scsi_host_template lpfc_template;
211 extern struct fc_function_template lpfc_transport_functions;
212 
213 void lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp);
214 void lpfc_terminate_rport_io(struct fc_rport *);
215 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
216 
217 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
218 #define HBA_EVENT_RSCN                   5
219 #define HBA_EVENT_LINK_UP                2
220 #define HBA_EVENT_LINK_DOWN              3
221