Commit | Line | Data |
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7725ccfd | 1 | /* |
a36c61f9 | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
7725ccfd JH |
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 | ||
acdc79a6 | 18 | /* |
7725ccfd JH |
19 | * Contains base driver definitions. |
20 | */ | |
21 | ||
acdc79a6 | 22 | /* |
7725ccfd JH |
23 | * bfa_drv.h Linux driver data structures. |
24 | */ | |
25 | ||
26 | #ifndef __BFAD_DRV_H__ | |
27 | #define __BFAD_DRV_H__ | |
28 | ||
f16a1750 | 29 | #include <linux/types.h> |
f16a1750 MZ |
30 | #include <linux/pci.h> |
31 | #include <linux/dma-mapping.h> | |
32 | #include <linux/idr.h> | |
33 | #include <linux/interrupt.h> | |
34 | #include <linux/cdev.h> | |
35 | #include <linux/fs.h> | |
36 | #include <linux/delay.h> | |
37 | #include <linux/vmalloc.h> | |
38 | #include <linux/workqueue.h> | |
39 | #include <linux/bitops.h> | |
881c1b3c | 40 | #include <linux/aer.h> |
f16a1750 MZ |
41 | #include <scsi/scsi.h> |
42 | #include <scsi/scsi_host.h> | |
43 | #include <scsi/scsi_tcq.h> | |
44 | #include <scsi/scsi_transport_fc.h> | |
45 | #include <scsi/scsi_transport.h> | |
b85daafe | 46 | #include <scsi/scsi_bsg_fc.h> |
5b7db7af | 47 | #include <scsi/scsi_devinfo.h> |
7725ccfd | 48 | |
a36c61f9 KG |
49 | #include "bfa_modules.h" |
50 | #include "bfa_fcs.h" | |
51 | #include "bfa_defs_fcs.h" | |
52 | ||
53 | #include "bfa_plog.h" | |
54 | #include "bfa_cs.h" | |
55 | ||
56 | #define BFAD_DRIVER_NAME "bfa" | |
7725ccfd JH |
57 | #ifdef BFA_DRIVER_VERSION |
58 | #define BFAD_DRIVER_VERSION BFA_DRIVER_VERSION | |
59 | #else | |
607be2cf | 60 | #define BFAD_DRIVER_VERSION "3.2.21.1" |
7725ccfd JH |
61 | #endif |
62 | ||
a36c61f9 | 63 | #define BFAD_PROTO_NAME FCPI_NAME |
7725ccfd JH |
64 | #define BFAD_IRQ_FLAGS IRQF_SHARED |
65 | ||
a36c61f9 KG |
66 | #ifndef FC_PORTSPEED_8GBIT |
67 | #define FC_PORTSPEED_8GBIT 0x10 | |
68 | #endif | |
69 | ||
7725ccfd JH |
70 | /* |
71 | * BFAD flags | |
72 | */ | |
73 | #define BFAD_MSIX_ON 0x00000001 | |
74 | #define BFAD_HAL_INIT_DONE 0x00000002 | |
75 | #define BFAD_DRV_INIT_DONE 0x00000004 | |
76 | #define BFAD_CFG_PPORT_DONE 0x00000008 | |
77 | #define BFAD_HAL_START_DONE 0x00000010 | |
78 | #define BFAD_PORT_ONLINE 0x00000020 | |
79 | #define BFAD_RPORT_ONLINE 0x00000040 | |
a36c61f9 KG |
80 | #define BFAD_FCS_INIT_DONE 0x00000080 |
81 | #define BFAD_HAL_INIT_FAIL 0x00000100 | |
82 | #define BFAD_FC4_PROBE_DONE 0x00000200 | |
7725ccfd | 83 | #define BFAD_PORT_DELETE 0x00000001 |
61e62e21 | 84 | #define BFAD_INTX_ON 0x00000400 |
881c1b3c KG |
85 | #define BFAD_EEH_BUSY 0x00000800 |
86 | #define BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE 0x00001000 | |
7725ccfd JH |
87 | /* |
88 | * BFAD related definition | |
89 | */ | |
90 | #define SCSI_SCAN_DELAY HZ | |
91 | #define BFAD_STOP_TIMEOUT 30 | |
92 | #define BFAD_SUSPEND_TIMEOUT BFAD_STOP_TIMEOUT | |
93 | ||
94 | /* | |
95 | * BFAD configuration parameter default values | |
96 | */ | |
a36c61f9 KG |
97 | #define BFAD_LUN_QUEUE_DEPTH 32 |
98 | #define BFAD_IO_MAX_SGE SG_ALL | |
61e62e21 KG |
99 | #define BFAD_MIN_SECTORS 128 /* 64k */ |
100 | #define BFAD_MAX_SECTORS 0xFFFF /* 32 MB */ | |
7725ccfd JH |
101 | |
102 | #define bfad_isr_t irq_handler_t | |
103 | ||
104 | #define MAX_MSIX_ENTRY 22 | |
105 | ||
106 | struct bfad_msix_s { | |
107 | struct bfad_s *bfad; | |
108 | struct msix_entry msix; | |
a36c61f9 KG |
109 | char name[32]; |
110 | }; | |
111 | ||
112 | /* | |
113 | * Only append to the enums defined here to avoid any versioning | |
114 | * needed between trace utility and driver version | |
115 | */ | |
116 | enum { | |
117 | BFA_TRC_LDRV_BFAD = 1, | |
118 | BFA_TRC_LDRV_IM = 2, | |
b85daafe | 119 | BFA_TRC_LDRV_BSG = 3, |
7725ccfd JH |
120 | }; |
121 | ||
122 | enum bfad_port_pvb_type { | |
123 | BFAD_PORT_PHYS_BASE = 0, | |
124 | BFAD_PORT_PHYS_VPORT = 1, | |
125 | BFAD_PORT_VF_BASE = 2, | |
126 | BFAD_PORT_VF_VPORT = 3, | |
127 | }; | |
128 | ||
129 | /* | |
130 | * PORT data structure | |
131 | */ | |
132 | struct bfad_port_s { | |
133 | struct list_head list_entry; | |
a36c61f9 KG |
134 | struct bfad_s *bfad; |
135 | struct bfa_fcs_lport_s *fcs_port; | |
136 | u32 roles; | |
137 | s32 flags; | |
138 | u32 supported_fc4s; | |
7725ccfd JH |
139 | enum bfad_port_pvb_type pvb_type; |
140 | struct bfad_im_port_s *im_port; /* IM specific data */ | |
ab2a9ba1 JH |
141 | /* port debugfs specific data */ |
142 | struct dentry *port_debugfs_root; | |
7725ccfd JH |
143 | }; |
144 | ||
145 | /* | |
146 | * VPORT data structure | |
147 | */ | |
148 | struct bfad_vport_s { | |
149 | struct bfad_port_s drv_port; | |
150 | struct bfa_fcs_vport_s fcs_vport; | |
151 | struct completion *comp_del; | |
d9883548 | 152 | struct list_head list_entry; |
7725ccfd JH |
153 | }; |
154 | ||
155 | /* | |
156 | * VF data structure | |
157 | */ | |
158 | struct bfad_vf_s { | |
159 | bfa_fcs_vf_t fcs_vf; | |
160 | struct bfad_port_s base_port; /* base port for vf */ | |
161 | struct bfad_s *bfad; | |
162 | }; | |
163 | ||
164 | struct bfad_cfg_param_s { | |
a36c61f9 KG |
165 | u32 rport_del_timeout; |
166 | u32 ioc_queue_depth; | |
167 | u32 lun_queue_depth; | |
168 | u32 io_max_sge; | |
169 | u32 binding_method; | |
170 | }; | |
171 | ||
172 | union bfad_tmp_buf { | |
173 | /* From struct bfa_adapter_attr_s */ | |
174 | char manufacturer[BFA_ADAPTER_MFG_NAME_LEN]; | |
175 | char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN]; | |
176 | char model[BFA_ADAPTER_MODEL_NAME_LEN]; | |
177 | char fw_ver[BFA_VERSION_LEN]; | |
178 | char optrom_ver[BFA_VERSION_LEN]; | |
179 | ||
180 | /* From struct bfa_ioc_pci_attr_s */ | |
181 | u8 chip_rev[BFA_IOC_CHIP_REV_LEN]; /* chip revision */ | |
182 | ||
183 | wwn_t wwn[BFA_FCS_MAX_LPORTS]; | |
7725ccfd JH |
184 | }; |
185 | ||
7725ccfd JH |
186 | /* |
187 | * BFAD (PCI function) data structure | |
188 | */ | |
189 | struct bfad_s { | |
a36c61f9 | 190 | bfa_sm_t sm; /* state machine */ |
7725ccfd | 191 | struct list_head list_entry; |
a36c61f9 KG |
192 | struct bfa_s bfa; |
193 | struct bfa_fcs_s bfa_fcs; | |
7725ccfd JH |
194 | struct pci_dev *pcidev; |
195 | const char *pci_name; | |
196 | struct bfa_pcidev_s hal_pcidev; | |
197 | struct bfa_ioc_pci_attr_s pci_attr; | |
7725ccfd | 198 | void __iomem *pci_bar0_kva; |
11189208 | 199 | void __iomem *pci_bar2_kva; |
7725ccfd JH |
200 | struct completion comp; |
201 | struct completion suspend; | |
60138066 | 202 | struct completion enable_comp; |
7725ccfd JH |
203 | struct completion disable_comp; |
204 | bfa_boolean_t disable_active; | |
205 | struct bfad_port_s pport; /* physical port of the BFAD */ | |
206 | struct bfa_meminfo_s meminfo; | |
207 | struct bfa_iocfc_cfg_s ioc_cfg; | |
a36c61f9 KG |
208 | u32 inst_no; /* BFAD instance number */ |
209 | u32 bfad_flags; | |
7725ccfd | 210 | spinlock_t bfad_lock; |
e6714324 | 211 | struct task_struct *bfad_tsk; |
7725ccfd JH |
212 | struct bfad_cfg_param_s cfg_data; |
213 | struct bfad_msix_s msix_tab[MAX_MSIX_ENTRY]; | |
a36c61f9 KG |
214 | int nvec; |
215 | char adapter_name[BFA_ADAPTER_SYM_NAME_LEN]; | |
216 | char port_name[BFA_ADAPTER_SYM_NAME_LEN]; | |
7725ccfd JH |
217 | struct timer_list hal_tmo; |
218 | unsigned long hs_start; | |
219 | struct bfad_im_s *im; /* IM specific data */ | |
7725ccfd | 220 | struct bfa_trc_mod_s *trcmod; |
7725ccfd | 221 | struct bfa_plog_s plog_buf; |
a36c61f9 KG |
222 | int ref_count; |
223 | union bfad_tmp_buf tmp_buf; | |
7725ccfd | 224 | struct fc_host_statistics link_stats; |
a36c61f9 | 225 | struct list_head pbc_vport_list; |
ab2a9ba1 JH |
226 | /* debugfs specific data */ |
227 | char *regdata; | |
228 | u32 reglen; | |
229 | struct dentry *bfad_dentry_files[5]; | |
7826f304 KG |
230 | struct list_head free_aen_q; |
231 | struct list_head active_aen_q; | |
232 | struct bfa_aen_entry_s aen_list[BFA_AEN_MAX_ENTRY]; | |
233 | spinlock_t bfad_aen_spinlock; | |
5b7db7af | 234 | struct list_head vport_list; |
d9883548 JH |
235 | }; |
236 | ||
a36c61f9 KG |
237 | /* BFAD state machine events */ |
238 | enum bfad_sm_event { | |
239 | BFAD_E_CREATE = 1, | |
240 | BFAD_E_KTHREAD_CREATE_FAILED = 2, | |
241 | BFAD_E_INIT = 3, | |
242 | BFAD_E_INIT_SUCCESS = 4, | |
243 | BFAD_E_INIT_FAILED = 5, | |
244 | BFAD_E_INTR_INIT_FAILED = 6, | |
245 | BFAD_E_FCS_EXIT_COMP = 7, | |
246 | BFAD_E_EXIT_COMP = 8, | |
247 | BFAD_E_STOP = 9 | |
7725ccfd JH |
248 | }; |
249 | ||
250 | /* | |
251 | * RPORT data structure | |
252 | */ | |
253 | struct bfad_rport_s { | |
254 | struct bfa_fcs_rport_s fcs_rport; | |
255 | }; | |
256 | ||
257 | struct bfad_buf_info { | |
a36c61f9 | 258 | void *virt; |
7725ccfd | 259 | dma_addr_t phys; |
a36c61f9 | 260 | u32 size; |
7725ccfd JH |
261 | }; |
262 | ||
263 | struct bfad_fcxp { | |
264 | struct bfad_port_s *port; | |
265 | struct bfa_rport_s *bfa_rport; | |
266 | bfa_status_t req_status; | |
a36c61f9 KG |
267 | u16 tag; |
268 | u16 rsp_len; | |
269 | u16 rsp_maxlen; | |
270 | u8 use_ireqbuf; | |
271 | u8 use_irspbuf; | |
272 | u32 num_req_sgles; | |
273 | u32 num_rsp_sgles; | |
274 | struct fchs_s fchs; | |
275 | void *reqbuf_info; | |
276 | void *rspbuf_info; | |
7725ccfd JH |
277 | struct bfa_sge_s *req_sge; |
278 | struct bfa_sge_s *rsp_sge; | |
279 | fcxp_send_cb_t send_cbfn; | |
a36c61f9 KG |
280 | void *send_cbarg; |
281 | void *bfa_fcxp; | |
7725ccfd JH |
282 | struct completion comp; |
283 | }; | |
284 | ||
285 | struct bfad_hal_comp { | |
286 | bfa_status_t status; | |
287 | struct completion comp; | |
288 | }; | |
289 | ||
f16a1750 MZ |
290 | #define BFA_LOG(level, bfad, mask, fmt, arg...) \ |
291 | do { \ | |
292 | if (((mask) == 4) || (level[1] <= '4')) \ | |
293 | dev_printk(level, &((bfad)->pcidev)->dev, fmt, ##arg); \ | |
a36c61f9 | 294 | } while (0) |
7725ccfd | 295 | |
a36c61f9 KG |
296 | bfa_status_t bfad_vport_create(struct bfad_s *bfad, u16 vf_id, |
297 | struct bfa_lport_cfg_s *port_cfg, | |
298 | struct device *dev); | |
299 | bfa_status_t bfad_vf_create(struct bfad_s *bfad, u16 vf_id, | |
300 | struct bfa_lport_cfg_s *port_cfg); | |
301 | bfa_status_t bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role); | |
302 | bfa_status_t bfad_drv_init(struct bfad_s *bfad); | |
303 | bfa_status_t bfad_start_ops(struct bfad_s *bfad); | |
304 | void bfad_drv_start(struct bfad_s *bfad); | |
305 | void bfad_uncfg_pport(struct bfad_s *bfad); | |
306 | void bfad_stop(struct bfad_s *bfad); | |
307 | void bfad_fcs_stop(struct bfad_s *bfad); | |
308 | void bfad_remove_intr(struct bfad_s *bfad); | |
309 | void bfad_hal_mem_release(struct bfad_s *bfad); | |
310 | void bfad_hcb_comp(void *arg, bfa_status_t status); | |
311 | ||
312 | int bfad_setup_intr(struct bfad_s *bfad); | |
313 | void bfad_remove_intr(struct bfad_s *bfad); | |
7725ccfd JH |
314 | void bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg); |
315 | bfa_status_t bfad_hal_mem_alloc(struct bfad_s *bfad); | |
316 | void bfad_bfa_tmo(unsigned long data); | |
317 | void bfad_init_timer(struct bfad_s *bfad); | |
318 | int bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad); | |
319 | void bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad); | |
7725ccfd | 320 | void bfad_drv_uninit(struct bfad_s *bfad); |
ab2a9ba1 JH |
321 | int bfad_worker(void *ptr); |
322 | void bfad_debugfs_init(struct bfad_port_s *port); | |
323 | void bfad_debugfs_exit(struct bfad_port_s *port); | |
e6714324 | 324 | |
7725ccfd JH |
325 | void bfad_pci_remove(struct pci_dev *pdev); |
326 | int bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid); | |
f16a1750 MZ |
327 | void bfad_rport_online_wait(struct bfad_s *bfad); |
328 | int bfad_get_linkup_delay(struct bfad_s *bfad); | |
7725ccfd JH |
329 | int bfad_install_msix_handler(struct bfad_s *bfad); |
330 | ||
331 | extern struct idr bfad_im_port_index; | |
a36c61f9 | 332 | extern struct pci_device_id bfad_id_table[]; |
7725ccfd | 333 | extern struct list_head bfad_list; |
a36c61f9 KG |
334 | extern char *os_name; |
335 | extern char *os_patch; | |
336 | extern char *host_name; | |
337 | extern int num_rports; | |
338 | extern int num_ios; | |
339 | extern int num_tms; | |
340 | extern int num_fcxps; | |
341 | extern int num_ufbufs; | |
342 | extern int reqq_size; | |
343 | extern int rspq_size; | |
344 | extern int num_sgpgs; | |
345 | extern int rport_del_timeout; | |
346 | extern int bfa_lun_queue_depth; | |
347 | extern int bfa_io_max_sge; | |
88166242 | 348 | extern int bfa_log_level; |
a36c61f9 KG |
349 | extern int ioc_auto_recover; |
350 | extern int bfa_linkup_delay; | |
351 | extern int msix_disable_cb; | |
352 | extern int msix_disable_ct; | |
353 | extern int fdmi_enable; | |
354 | extern int supported_fc4s; | |
355 | extern int pcie_max_read_reqsz; | |
61e62e21 | 356 | extern int max_xfer_size; |
ab2a9ba1 | 357 | extern int bfa_debugfs_enable; |
42b426ec | 358 | extern struct mutex bfad_mutex; |
7725ccfd JH |
359 | |
360 | #endif /* __BFAD_DRV_H__ */ |