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afaf5a2d DS |
1 | /* |
2 | * QLogic iSCSI HBA Driver | |
3 | * Copyright (c) 2003-2006 QLogic Corporation | |
4 | * | |
5 | * See LICENSE.qla4xxx for copyright and licensing details. | |
6 | */ | |
7 | ||
8 | #ifndef __QL4_DEF_H | |
9 | #define __QL4_DEF_H | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/types.h> | |
14 | #include <linux/module.h> | |
15 | #include <linux/list.h> | |
16 | #include <linux/pci.h> | |
17 | #include <linux/dma-mapping.h> | |
18 | #include <linux/sched.h> | |
19 | #include <linux/slab.h> | |
20 | #include <linux/dmapool.h> | |
21 | #include <linux/mempool.h> | |
22 | #include <linux/spinlock.h> | |
23 | #include <linux/workqueue.h> | |
24 | #include <linux/delay.h> | |
25 | #include <linux/interrupt.h> | |
26 | #include <linux/mutex.h> | |
7b3595df | 27 | #include <linux/aer.h> |
afaf5a2d DS |
28 | |
29 | #include <net/tcp.h> | |
30 | #include <scsi/scsi.h> | |
31 | #include <scsi/scsi_host.h> | |
32 | #include <scsi/scsi_device.h> | |
33 | #include <scsi/scsi_cmnd.h> | |
34 | #include <scsi/scsi_transport.h> | |
35 | #include <scsi/scsi_transport_iscsi.h> | |
36 | ||
f4f5df23 VC |
37 | #include "ql4_dbg.h" |
38 | #include "ql4_nx.h" | |
afaf5a2d DS |
39 | |
40 | #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010 | |
41 | #define PCI_DEVICE_ID_QLOGIC_ISP4010 0x4010 | |
42 | #endif | |
43 | ||
44 | #ifndef PCI_DEVICE_ID_QLOGIC_ISP4022 | |
45 | #define PCI_DEVICE_ID_QLOGIC_ISP4022 0x4022 | |
d915058f DS |
46 | #endif |
47 | ||
48 | #ifndef PCI_DEVICE_ID_QLOGIC_ISP4032 | |
49 | #define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032 | |
50 | #endif | |
afaf5a2d | 51 | |
f4f5df23 VC |
52 | #ifndef PCI_DEVICE_ID_QLOGIC_ISP8022 |
53 | #define PCI_DEVICE_ID_QLOGIC_ISP8022 0x8022 | |
54 | #endif | |
55 | ||
afaf5a2d DS |
56 | #define QLA_SUCCESS 0 |
57 | #define QLA_ERROR 1 | |
58 | ||
59 | /* | |
60 | * Data bit definitions | |
61 | */ | |
62 | #define BIT_0 0x1 | |
63 | #define BIT_1 0x2 | |
64 | #define BIT_2 0x4 | |
65 | #define BIT_3 0x8 | |
66 | #define BIT_4 0x10 | |
67 | #define BIT_5 0x20 | |
68 | #define BIT_6 0x40 | |
69 | #define BIT_7 0x80 | |
70 | #define BIT_8 0x100 | |
71 | #define BIT_9 0x200 | |
72 | #define BIT_10 0x400 | |
73 | #define BIT_11 0x800 | |
74 | #define BIT_12 0x1000 | |
75 | #define BIT_13 0x2000 | |
76 | #define BIT_14 0x4000 | |
77 | #define BIT_15 0x8000 | |
78 | #define BIT_16 0x10000 | |
79 | #define BIT_17 0x20000 | |
80 | #define BIT_18 0x40000 | |
81 | #define BIT_19 0x80000 | |
82 | #define BIT_20 0x100000 | |
83 | #define BIT_21 0x200000 | |
84 | #define BIT_22 0x400000 | |
85 | #define BIT_23 0x800000 | |
86 | #define BIT_24 0x1000000 | |
87 | #define BIT_25 0x2000000 | |
88 | #define BIT_26 0x4000000 | |
89 | #define BIT_27 0x8000000 | |
90 | #define BIT_28 0x10000000 | |
91 | #define BIT_29 0x20000000 | |
92 | #define BIT_30 0x40000000 | |
93 | #define BIT_31 0x80000000 | |
94 | ||
f4f5df23 VC |
95 | /** |
96 | * Macros to help code, maintain, etc. | |
97 | **/ | |
98 | #define ql4_printk(level, ha, format, arg...) \ | |
99 | dev_printk(level , &((ha)->pdev->dev) , format , ## arg) | |
100 | ||
101 | ||
afaf5a2d DS |
102 | /* |
103 | * Host adapter default definitions | |
104 | ***********************************/ | |
105 | #define MAX_HBAS 16 | |
106 | #define MAX_BUSES 1 | |
f4f5df23 | 107 | #define MAX_TARGETS MAX_DEV_DB_ENTRIES |
afaf5a2d DS |
108 | #define MAX_LUNS 0xffff |
109 | #define MAX_AEN_ENTRIES 256 /* should be > EXT_DEF_MAX_AEN_QUEUE */ | |
f4f5df23 | 110 | #define MAX_DDB_ENTRIES MAX_DEV_DB_ENTRIES |
afaf5a2d DS |
111 | #define MAX_PDU_ENTRIES 32 |
112 | #define INVALID_ENTRY 0xFFFF | |
113 | #define MAX_CMDS_TO_RISC 1024 | |
114 | #define MAX_SRBS MAX_CMDS_TO_RISC | |
115 | #define MBOX_AEN_REG_COUNT 5 | |
116 | #define MAX_INIT_RETRIES 5 | |
afaf5a2d DS |
117 | |
118 | /* | |
119 | * Buffer sizes | |
120 | */ | |
121 | #define REQUEST_QUEUE_DEPTH MAX_CMDS_TO_RISC | |
122 | #define RESPONSE_QUEUE_DEPTH 64 | |
123 | #define QUEUE_SIZE 64 | |
124 | #define DMA_BUFFER_SIZE 512 | |
125 | ||
126 | /* | |
127 | * Misc | |
128 | */ | |
129 | #define MAC_ADDR_LEN 6 /* in bytes */ | |
130 | #define IP_ADDR_LEN 4 /* in bytes */ | |
2a49a78e | 131 | #define IPv6_ADDR_LEN 16 /* IPv6 address size */ |
afaf5a2d DS |
132 | #define DRIVER_NAME "qla4xxx" |
133 | ||
134 | #define MAX_LINKED_CMDS_PER_LUN 3 | |
dbaf82ec | 135 | #define MAX_REQS_SERVICED_PER_INTR 1 |
afaf5a2d DS |
136 | |
137 | #define ISCSI_IPADDR_SIZE 4 /* IP address size */ | |
b1c11812 | 138 | #define ISCSI_ALIAS_SIZE 32 /* ISCSI Alias name size */ |
5c8bfc94 | 139 | #define ISCSI_NAME_SIZE 0xE0 /* ISCSI Name size */ |
afaf5a2d | 140 | |
3013cea8 VC |
141 | #define QL4_SESS_RECOVERY_TMO 30 /* iSCSI session */ |
142 | /* recovery timeout */ | |
143 | ||
afaf5a2d DS |
144 | #define LSDW(x) ((u32)((u64)(x))) |
145 | #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16)) | |
146 | ||
147 | /* | |
148 | * Retry & Timeout Values | |
149 | */ | |
150 | #define MBOX_TOV 60 | |
151 | #define SOFT_RESET_TOV 30 | |
152 | #define RESET_INTR_TOV 3 | |
153 | #define SEMAPHORE_TOV 10 | |
f4f5df23 | 154 | #define ADAPTER_INIT_TOV 30 |
afaf5a2d DS |
155 | #define ADAPTER_RESET_TOV 180 |
156 | #define EXTEND_CMD_TOV 60 | |
157 | #define WAIT_CMD_TOV 30 | |
158 | #define EH_WAIT_CMD_TOV 120 | |
159 | #define FIRMWARE_UP_TOV 60 | |
160 | #define RESET_FIRMWARE_TOV 30 | |
161 | #define LOGOUT_TOV 10 | |
162 | #define IOCB_TOV_MARGIN 10 | |
163 | #define RELOGIN_TOV 18 | |
164 | #define ISNS_DEREG_TOV 5 | |
f581a3f7 | 165 | #define HBA_ONLINE_TOV 30 |
afaf5a2d DS |
166 | |
167 | #define MAX_RESET_HA_RETRIES 2 | |
168 | ||
5369887a VC |
169 | #define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr) |
170 | ||
afaf5a2d DS |
171 | /* |
172 | * SCSI Request Block structure (srb) that is placed | |
173 | * on cmd->SCp location of every I/O [We have 22 bytes available] | |
174 | */ | |
175 | struct srb { | |
176 | struct list_head list; /* (8) */ | |
177 | struct scsi_qla_host *ha; /* HA the SP is queued on */ | |
178 | struct ddb_entry *ddb; | |
179 | uint16_t flags; /* (1) Status flags. */ | |
180 | ||
181 | #define SRB_DMA_VALID BIT_3 /* DMA Buffer mapped. */ | |
182 | #define SRB_GOT_SENSE BIT_4 /* sense data recieved. */ | |
183 | uint8_t state; /* (1) Status flags. */ | |
184 | ||
185 | #define SRB_NO_QUEUE_STATE 0 /* Request is in between states */ | |
186 | #define SRB_FREE_STATE 1 | |
187 | #define SRB_ACTIVE_STATE 3 | |
188 | #define SRB_ACTIVE_TIMEOUT_STATE 4 | |
189 | #define SRB_SUSPENDED_STATE 7 /* Request in suspended state */ | |
190 | ||
191 | struct scsi_cmnd *cmd; /* (4) SCSI command block */ | |
192 | dma_addr_t dma_handle; /* (4) for unmap of single transfers */ | |
09a0f719 | 193 | struct kref srb_ref; /* reference count for this srb */ |
afaf5a2d DS |
194 | uint32_t fw_ddb_index; |
195 | uint8_t err_id; /* error id */ | |
196 | #define SRB_ERR_PORT 1 /* Request failed because "port down" */ | |
197 | #define SRB_ERR_LOOP 2 /* Request failed because "loop down" */ | |
198 | #define SRB_ERR_DEVICE 3 /* Request failed because "device error" */ | |
199 | #define SRB_ERR_OTHER 4 | |
200 | ||
201 | uint16_t reserved; | |
202 | uint16_t iocb_tov; | |
203 | uint16_t iocb_cnt; /* Number of used iocbs */ | |
204 | uint16_t cc_stat; | |
94bced3c KH |
205 | |
206 | /* Used for extended sense / status continuation */ | |
207 | uint8_t *req_sense_ptr; | |
208 | uint16_t req_sense_len; | |
209 | uint16_t reserved2; | |
afaf5a2d DS |
210 | }; |
211 | ||
5c8bfc94 DS |
212 | /* |
213 | * Asynchronous Event Queue structure | |
214 | */ | |
215 | struct aen { | |
216 | uint32_t mbox_sts[MBOX_AEN_REG_COUNT]; | |
217 | }; | |
218 | ||
219 | struct ql4_aen_log { | |
220 | int count; | |
221 | struct aen entry[MAX_AEN_ENTRIES]; | |
222 | }; | |
223 | ||
224 | /* | |
225 | * Device Database (DDB) structure | |
226 | */ | |
afaf5a2d DS |
227 | struct ddb_entry { |
228 | struct list_head list; /* ddb list */ | |
229 | struct scsi_qla_host *ha; | |
230 | struct iscsi_cls_session *sess; | |
231 | struct iscsi_cls_conn *conn; | |
232 | ||
233 | atomic_t state; /* DDB State */ | |
234 | ||
235 | unsigned long flags; /* DDB Flags */ | |
236 | ||
237 | unsigned long dev_scan_wait_to_start_relogin; | |
238 | unsigned long dev_scan_wait_to_complete_relogin; | |
239 | ||
afaf5a2d | 240 | uint16_t fw_ddb_index; /* DDB firmware index */ |
2a49a78e | 241 | uint16_t options; |
afaf5a2d DS |
242 | uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */ |
243 | ||
244 | uint32_t CmdSn; | |
245 | uint16_t target_session_id; | |
246 | uint16_t connection_id; | |
247 | uint16_t exe_throttle; /* Max mumber of cmds outstanding | |
248 | * simultaneously */ | |
249 | uint16_t task_mgmt_timeout; /* Min time for task mgmt cmds to | |
250 | * complete */ | |
251 | uint16_t default_relogin_timeout; /* Max time to wait for | |
252 | * relogin to complete */ | |
253 | uint16_t tcp_source_port_num; | |
254 | uint32_t default_time2wait; /* Default Min time between | |
255 | * relogins (+aens) */ | |
256 | ||
afaf5a2d DS |
257 | atomic_t retry_relogin_timer; /* Min Time between relogins |
258 | * (4000 only) */ | |
259 | atomic_t relogin_timer; /* Max Time to wait for relogin to complete */ | |
260 | atomic_t relogin_retry_count; /* Num of times relogin has been | |
261 | * retried */ | |
262 | ||
263 | uint16_t port; | |
264 | uint32_t tpgt; | |
2a49a78e | 265 | uint8_t ip_addr[IP_ADDR_LEN]; |
afaf5a2d DS |
266 | uint8_t iscsi_name[ISCSI_NAME_SIZE]; /* 72 x48 */ |
267 | uint8_t iscsi_alias[0x20]; | |
41bbdbeb | 268 | uint8_t isid[6]; |
2a49a78e VC |
269 | uint16_t iscsi_max_burst_len; |
270 | uint16_t iscsi_max_outsnd_r2t; | |
271 | uint16_t iscsi_first_burst_len; | |
272 | uint16_t iscsi_max_rcv_data_seg_len; | |
273 | uint16_t iscsi_max_snd_data_seg_len; | |
274 | ||
275 | struct in6_addr remote_ipv6_addr; | |
276 | struct in6_addr link_local_ipv6_addr; | |
afaf5a2d DS |
277 | }; |
278 | ||
279 | /* | |
280 | * DDB states. | |
281 | */ | |
282 | #define DDB_STATE_DEAD 0 /* We can no longer talk to | |
283 | * this device */ | |
284 | #define DDB_STATE_ONLINE 1 /* Device ready to accept | |
285 | * commands */ | |
286 | #define DDB_STATE_MISSING 2 /* Device logged off, trying | |
287 | * to re-login */ | |
288 | ||
289 | /* | |
290 | * DDB flags. | |
291 | */ | |
292 | #define DF_RELOGIN 0 /* Relogin to device */ | |
293 | #define DF_NO_RELOGIN 1 /* Do not relogin if IOCTL | |
294 | * logged it out */ | |
295 | #define DF_ISNS_DISCOVERED 2 /* Device was discovered via iSNS */ | |
296 | #define DF_FO_MASKED 3 | |
297 | ||
afaf5a2d DS |
298 | |
299 | #include "ql4_fw.h" | |
300 | #include "ql4_nvram.h" | |
301 | ||
f4f5df23 VC |
302 | struct ql82xx_hw_data { |
303 | /* Offsets for flash/nvram access (set to ~0 if not used). */ | |
304 | uint32_t flash_conf_off; | |
305 | uint32_t flash_data_off; | |
306 | ||
307 | uint32_t fdt_wrt_disable; | |
308 | uint32_t fdt_erase_cmd; | |
309 | uint32_t fdt_block_size; | |
310 | uint32_t fdt_unprotect_sec_cmd; | |
311 | uint32_t fdt_protect_sec_cmd; | |
312 | ||
313 | uint32_t flt_region_flt; | |
314 | uint32_t flt_region_fdt; | |
315 | uint32_t flt_region_boot; | |
316 | uint32_t flt_region_bootload; | |
317 | uint32_t flt_region_fw; | |
318 | uint32_t reserved; | |
319 | }; | |
320 | ||
321 | struct qla4_8xxx_legacy_intr_set { | |
322 | uint32_t int_vec_bit; | |
323 | uint32_t tgt_status_reg; | |
324 | uint32_t tgt_mask_reg; | |
325 | uint32_t pci_int_reg; | |
326 | }; | |
327 | ||
328 | /* MSI-X Support */ | |
329 | ||
330 | #define QLA_MSIX_DEFAULT 0x00 | |
331 | #define QLA_MSIX_RSP_Q 0x01 | |
332 | ||
333 | #define QLA_MSIX_ENTRIES 2 | |
334 | #define QLA_MIDX_DEFAULT 0 | |
335 | #define QLA_MIDX_RSP_Q 1 | |
336 | ||
337 | struct ql4_msix_entry { | |
338 | int have_irq; | |
339 | uint16_t msix_vector; | |
340 | uint16_t msix_entry; | |
341 | }; | |
342 | ||
343 | /* | |
344 | * ISP Operations | |
345 | */ | |
346 | struct isp_operations { | |
347 | int (*iospace_config) (struct scsi_qla_host *ha); | |
348 | void (*pci_config) (struct scsi_qla_host *); | |
349 | void (*disable_intrs) (struct scsi_qla_host *); | |
350 | void (*enable_intrs) (struct scsi_qla_host *); | |
351 | int (*start_firmware) (struct scsi_qla_host *); | |
352 | irqreturn_t (*intr_handler) (int , void *); | |
353 | void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t); | |
354 | int (*reset_chip) (struct scsi_qla_host *); | |
355 | int (*reset_firmware) (struct scsi_qla_host *); | |
356 | void (*queue_iocb) (struct scsi_qla_host *); | |
357 | void (*complete_iocb) (struct scsi_qla_host *); | |
358 | uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *); | |
359 | uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *); | |
360 | int (*get_sys_info) (struct scsi_qla_host *); | |
361 | }; | |
362 | ||
afaf5a2d DS |
363 | /* |
364 | * Linux Host Adapter structure | |
365 | */ | |
366 | struct scsi_qla_host { | |
367 | /* Linux adapter configuration data */ | |
afaf5a2d DS |
368 | unsigned long flags; |
369 | ||
5c8bfc94 DS |
370 | #define AF_ONLINE 0 /* 0x00000001 */ |
371 | #define AF_INIT_DONE 1 /* 0x00000002 */ | |
372 | #define AF_MBOX_COMMAND 2 /* 0x00000004 */ | |
373 | #define AF_MBOX_COMMAND_DONE 3 /* 0x00000008 */ | |
f4f5df23 | 374 | #define AF_DPC_SCHEDULED 5 /* 0x00000020 */ |
5c8bfc94 DS |
375 | #define AF_INTERRUPTS_ON 6 /* 0x00000040 */ |
376 | #define AF_GET_CRASH_RECORD 7 /* 0x00000080 */ | |
377 | #define AF_LINK_UP 8 /* 0x00000100 */ | |
378 | #define AF_IRQ_ATTACHED 10 /* 0x00000400 */ | |
379 | #define AF_DISABLE_ACB_COMPLETE 11 /* 0x00000800 */ | |
f4f5df23 VC |
380 | #define AF_HBA_GOING_AWAY 12 /* 0x00001000 */ |
381 | #define AF_INTx_ENABLED 15 /* 0x00008000 */ | |
382 | #define AF_MSI_ENABLED 16 /* 0x00010000 */ | |
383 | #define AF_MSIX_ENABLED 17 /* 0x00020000 */ | |
384 | #define AF_MBOX_COMMAND_NOPOLL 18 /* 0x00040000 */ | |
21033639 | 385 | #define AF_FW_RECOVERY 19 /* 0x00080000 */ |
2232be0d LC |
386 | #define AF_EEH_BUSY 20 /* 0x00100000 */ |
387 | #define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */ | |
afaf5a2d DS |
388 | |
389 | unsigned long dpc_flags; | |
390 | ||
5c8bfc94 DS |
391 | #define DPC_RESET_HA 1 /* 0x00000002 */ |
392 | #define DPC_RETRY_RESET_HA 2 /* 0x00000004 */ | |
393 | #define DPC_RELOGIN_DEVICE 3 /* 0x00000008 */ | |
f4f5df23 | 394 | #define DPC_RESET_HA_FW_CONTEXT 4 /* 0x00000010 */ |
5c8bfc94 DS |
395 | #define DPC_RESET_HA_INTR 5 /* 0x00000020 */ |
396 | #define DPC_ISNS_RESTART 7 /* 0x00000080 */ | |
397 | #define DPC_AEN 9 /* 0x00000200 */ | |
398 | #define DPC_GET_DHCP_IP_ADDR 15 /* 0x00008000 */ | |
065aa1b4 | 399 | #define DPC_LINK_CHANGED 18 /* 0x00040000 */ |
f4f5df23 VC |
400 | #define DPC_RESET_ACTIVE 20 /* 0x00040000 */ |
401 | #define DPC_HA_UNRECOVERABLE 21 /* 0x00080000 ISP-82xx only*/ | |
402 | #define DPC_HA_NEED_QUIESCENT 22 /* 0x00100000 ISP-82xx only*/ | |
403 | ||
5c8bfc94 DS |
404 | |
405 | struct Scsi_Host *host; /* pointer to host data */ | |
406 | uint32_t tot_ddbs; | |
afaf5a2d | 407 | |
f4f5df23 | 408 | uint16_t iocb_cnt; |
afaf5a2d DS |
409 | |
410 | /* SRB cache. */ | |
411 | #define SRB_MIN_REQ 128 | |
412 | mempool_t *srb_mempool; | |
413 | ||
414 | /* pci information */ | |
415 | struct pci_dev *pdev; | |
416 | ||
417 | struct isp_reg __iomem *reg; /* Base I/O address */ | |
418 | unsigned long pio_address; | |
419 | unsigned long pio_length; | |
420 | #define MIN_IOBASE_LEN 0x100 | |
421 | ||
422 | uint16_t req_q_count; | |
afaf5a2d DS |
423 | |
424 | unsigned long host_no; | |
425 | ||
426 | /* NVRAM registers */ | |
427 | struct eeprom_data *nvram; | |
428 | spinlock_t hardware_lock ____cacheline_aligned; | |
f4f5df23 | 429 | uint32_t eeprom_cmd_data; |
afaf5a2d DS |
430 | |
431 | /* Counters for general statistics */ | |
d915058f | 432 | uint64_t isr_count; |
afaf5a2d DS |
433 | uint64_t adapter_error_count; |
434 | uint64_t device_error_count; | |
435 | uint64_t total_io_count; | |
436 | uint64_t total_mbytes_xferred; | |
437 | uint64_t link_failure_count; | |
438 | uint64_t invalid_crc_count; | |
d915058f | 439 | uint32_t bytes_xfered; |
afaf5a2d DS |
440 | uint32_t spurious_int_count; |
441 | uint32_t aborted_io_count; | |
442 | uint32_t io_timeout_count; | |
443 | uint32_t mailbox_timeout_count; | |
444 | uint32_t seconds_since_last_intr; | |
445 | uint32_t seconds_since_last_heartbeat; | |
446 | uint32_t mac_index; | |
447 | ||
448 | /* Info Needed for Management App */ | |
449 | /* --- From GetFwVersion --- */ | |
450 | uint32_t firmware_version[2]; | |
451 | uint32_t patch_number; | |
452 | uint32_t build_number; | |
5c8bfc94 | 453 | uint32_t board_id; |
afaf5a2d DS |
454 | |
455 | /* --- From Init_FW --- */ | |
456 | /* init_cb_t *init_cb; */ | |
457 | uint16_t firmware_options; | |
458 | uint16_t tcp_options; | |
459 | uint8_t ip_address[IP_ADDR_LEN]; | |
460 | uint8_t subnet_mask[IP_ADDR_LEN]; | |
461 | uint8_t gateway[IP_ADDR_LEN]; | |
462 | uint8_t alias[32]; | |
463 | uint8_t name_string[256]; | |
464 | uint8_t heartbeat_interval; | |
afaf5a2d DS |
465 | |
466 | /* --- From FlashSysInfo --- */ | |
467 | uint8_t my_mac[MAC_ADDR_LEN]; | |
468 | uint8_t serial_number[16]; | |
469 | ||
470 | /* --- From GetFwState --- */ | |
471 | uint32_t firmware_state; | |
afaf5a2d DS |
472 | uint32_t addl_fw_state; |
473 | ||
474 | /* Linux kernel thread */ | |
475 | struct workqueue_struct *dpc_thread; | |
476 | struct work_struct dpc_work; | |
477 | ||
478 | /* Linux timer thread */ | |
479 | struct timer_list timer; | |
480 | uint32_t timer_active; | |
481 | ||
482 | /* Recovery Timers */ | |
afaf5a2d DS |
483 | uint32_t discovery_wait; |
484 | atomic_t check_relogin_timeouts; | |
485 | uint32_t retry_reset_ha_cnt; | |
486 | uint32_t isp_reset_timer; /* reset test timer */ | |
487 | uint32_t nic_reset_timer; /* simulated nic reset test timer */ | |
488 | int eh_start; | |
489 | struct list_head free_srb_q; | |
490 | uint16_t free_srb_q_count; | |
491 | uint16_t num_srbs_allocated; | |
492 | ||
493 | /* DMA Memory Block */ | |
494 | void *queues; | |
495 | dma_addr_t queues_dma; | |
496 | unsigned long queues_len; | |
497 | ||
498 | #define MEM_ALIGN_VALUE \ | |
499 | ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \ | |
500 | sizeof(struct queue_entry)) | |
501 | /* request and response queue variables */ | |
502 | dma_addr_t request_dma; | |
503 | struct queue_entry *request_ring; | |
504 | struct queue_entry *request_ptr; | |
505 | dma_addr_t response_dma; | |
506 | struct queue_entry *response_ring; | |
507 | struct queue_entry *response_ptr; | |
508 | dma_addr_t shadow_regs_dma; | |
509 | struct shadow_regs *shadow_regs; | |
510 | uint16_t request_in; /* Current indexes. */ | |
511 | uint16_t request_out; | |
512 | uint16_t response_in; | |
513 | uint16_t response_out; | |
514 | ||
515 | /* aen queue variables */ | |
516 | uint16_t aen_q_count; /* Number of available aen_q entries */ | |
517 | uint16_t aen_in; /* Current indexes */ | |
518 | uint16_t aen_out; | |
519 | struct aen aen_q[MAX_AEN_ENTRIES]; | |
520 | ||
5c8bfc94 DS |
521 | struct ql4_aen_log aen_log;/* tracks all aens */ |
522 | ||
afaf5a2d DS |
523 | /* This mutex protects several threads to do mailbox commands |
524 | * concurrently. | |
525 | */ | |
526 | struct mutex mbox_sem; | |
afaf5a2d DS |
527 | |
528 | /* temporary mailbox status registers */ | |
529 | volatile uint8_t mbox_status_count; | |
530 | volatile uint32_t mbox_status[MBOX_REG_COUNT]; | |
531 | ||
532 | /* local device database list (contains internal ddb entries) */ | |
533 | struct list_head ddb_list; | |
534 | ||
535 | /* Map ddb_list entry by FW ddb index */ | |
536 | struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES]; | |
537 | ||
94bced3c KH |
538 | /* Saved srb for status continuation entry processing */ |
539 | struct srb *status_srb; | |
2a49a78e VC |
540 | |
541 | /* IPv6 support info from InitFW */ | |
542 | uint8_t acb_version; | |
543 | uint8_t ipv4_addr_state; | |
544 | uint16_t ipv4_options; | |
545 | ||
546 | uint32_t resvd2; | |
547 | uint32_t ipv6_options; | |
548 | uint32_t ipv6_addl_options; | |
549 | uint8_t ipv6_link_local_state; | |
550 | uint8_t ipv6_addr0_state; | |
551 | uint8_t ipv6_addr1_state; | |
552 | uint8_t ipv6_default_router_state; | |
553 | struct in6_addr ipv6_link_local_addr; | |
554 | struct in6_addr ipv6_addr0; | |
555 | struct in6_addr ipv6_addr1; | |
556 | struct in6_addr ipv6_default_router_addr; | |
f4f5df23 VC |
557 | |
558 | /* qla82xx specific fields */ | |
559 | struct device_reg_82xx __iomem *qla4_8xxx_reg; /* Base I/O address */ | |
560 | unsigned long nx_pcibase; /* Base I/O address */ | |
561 | uint8_t *nx_db_rd_ptr; /* Doorbell read pointer */ | |
562 | unsigned long nx_db_wr_ptr; /* Door bell write pointer */ | |
563 | unsigned long first_page_group_start; | |
564 | unsigned long first_page_group_end; | |
565 | ||
566 | uint32_t crb_win; | |
567 | uint32_t curr_window; | |
568 | uint32_t ddr_mn_window; | |
569 | unsigned long mn_win_crb; | |
570 | unsigned long ms_win_crb; | |
571 | int qdr_sn_window; | |
572 | rwlock_t hw_lock; | |
573 | uint16_t func_num; | |
574 | int link_width; | |
575 | ||
576 | struct qla4_8xxx_legacy_intr_set nx_legacy_intr; | |
577 | u32 nx_crb_mask; | |
578 | ||
579 | uint8_t revision_id; | |
580 | uint32_t fw_heartbeat_counter; | |
581 | ||
582 | struct isp_operations *isp_ops; | |
583 | struct ql82xx_hw_data hw; | |
584 | ||
585 | struct ql4_msix_entry msix_entries[QLA_MSIX_ENTRIES]; | |
586 | ||
587 | uint32_t nx_dev_init_timeout; | |
588 | uint32_t nx_reset_timeout; | |
589 | ||
590 | struct completion mbx_intr_comp; | |
afaf5a2d DS |
591 | }; |
592 | ||
2a49a78e VC |
593 | static inline int is_ipv4_enabled(struct scsi_qla_host *ha) |
594 | { | |
595 | return ((ha->ipv4_options & IPOPT_IPv4_PROTOCOL_ENABLE) != 0); | |
596 | } | |
597 | ||
598 | static inline int is_ipv6_enabled(struct scsi_qla_host *ha) | |
599 | { | |
600 | return ((ha->ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0); | |
601 | } | |
602 | ||
afaf5a2d DS |
603 | static inline int is_qla4010(struct scsi_qla_host *ha) |
604 | { | |
605 | return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010; | |
606 | } | |
607 | ||
608 | static inline int is_qla4022(struct scsi_qla_host *ha) | |
609 | { | |
610 | return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022; | |
611 | } | |
612 | ||
d915058f DS |
613 | static inline int is_qla4032(struct scsi_qla_host *ha) |
614 | { | |
615 | return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032; | |
616 | } | |
617 | ||
f4f5df23 VC |
618 | static inline int is_qla8022(struct scsi_qla_host *ha) |
619 | { | |
620 | return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022; | |
621 | } | |
622 | ||
2232be0d LC |
623 | /* Note: Currently AER/EEH is now supported only for 8022 cards |
624 | * This function needs to be updated when AER/EEH is enabled | |
625 | * for other cards. | |
626 | */ | |
627 | static inline int is_aer_supported(struct scsi_qla_host *ha) | |
628 | { | |
629 | return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022; | |
630 | } | |
631 | ||
afaf5a2d DS |
632 | static inline int adapter_up(struct scsi_qla_host *ha) |
633 | { | |
634 | return (test_bit(AF_ONLINE, &ha->flags) != 0) && | |
635 | (test_bit(AF_LINK_UP, &ha->flags) != 0); | |
636 | } | |
637 | ||
638 | static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost) | |
639 | { | |
640 | return (struct scsi_qla_host *)shost->hostdata; | |
641 | } | |
642 | ||
643 | static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha) | |
644 | { | |
d915058f DS |
645 | return (is_qla4010(ha) ? |
646 | &ha->reg->u1.isp4010.nvram : | |
647 | &ha->reg->u1.isp4022.semaphore); | |
afaf5a2d DS |
648 | } |
649 | ||
650 | static inline void __iomem* isp_nvram(struct scsi_qla_host *ha) | |
651 | { | |
d915058f DS |
652 | return (is_qla4010(ha) ? |
653 | &ha->reg->u1.isp4010.nvram : | |
654 | &ha->reg->u1.isp4022.nvram); | |
afaf5a2d DS |
655 | } |
656 | ||
657 | static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha) | |
658 | { | |
d915058f DS |
659 | return (is_qla4010(ha) ? |
660 | &ha->reg->u2.isp4010.ext_hw_conf : | |
661 | &ha->reg->u2.isp4022.p0.ext_hw_conf); | |
afaf5a2d DS |
662 | } |
663 | ||
664 | static inline void __iomem* isp_port_status(struct scsi_qla_host *ha) | |
665 | { | |
d915058f DS |
666 | return (is_qla4010(ha) ? |
667 | &ha->reg->u2.isp4010.port_status : | |
668 | &ha->reg->u2.isp4022.p0.port_status); | |
afaf5a2d DS |
669 | } |
670 | ||
671 | static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha) | |
672 | { | |
d915058f DS |
673 | return (is_qla4010(ha) ? |
674 | &ha->reg->u2.isp4010.port_ctrl : | |
675 | &ha->reg->u2.isp4022.p0.port_ctrl); | |
afaf5a2d DS |
676 | } |
677 | ||
678 | static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha) | |
679 | { | |
d915058f DS |
680 | return (is_qla4010(ha) ? |
681 | &ha->reg->u2.isp4010.port_err_status : | |
682 | &ha->reg->u2.isp4022.p0.port_err_status); | |
afaf5a2d DS |
683 | } |
684 | ||
685 | static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha) | |
686 | { | |
d915058f DS |
687 | return (is_qla4010(ha) ? |
688 | &ha->reg->u2.isp4010.gp_out : | |
689 | &ha->reg->u2.isp4022.p0.gp_out); | |
afaf5a2d DS |
690 | } |
691 | ||
692 | static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha) | |
693 | { | |
d915058f DS |
694 | return (is_qla4010(ha) ? |
695 | offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 : | |
696 | offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2); | |
afaf5a2d DS |
697 | } |
698 | ||
699 | int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits); | |
700 | void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask); | |
701 | int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits); | |
702 | ||
703 | static inline int ql4xxx_lock_flash(struct scsi_qla_host *a) | |
704 | { | |
d915058f DS |
705 | if (is_qla4010(a)) |
706 | return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK, | |
707 | QL4010_FLASH_SEM_BITS); | |
708 | else | |
afaf5a2d DS |
709 | return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK, |
710 | (QL4022_RESOURCE_BITS_BASE_CODE | | |
711 | (a->mac_index)) << 13); | |
afaf5a2d DS |
712 | } |
713 | ||
714 | static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a) | |
715 | { | |
d915058f | 716 | if (is_qla4010(a)) |
afaf5a2d | 717 | ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK); |
d915058f DS |
718 | else |
719 | ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK); | |
afaf5a2d DS |
720 | } |
721 | ||
722 | static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a) | |
723 | { | |
d915058f DS |
724 | if (is_qla4010(a)) |
725 | return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK, | |
726 | QL4010_NVRAM_SEM_BITS); | |
727 | else | |
afaf5a2d DS |
728 | return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK, |
729 | (QL4022_RESOURCE_BITS_BASE_CODE | | |
730 | (a->mac_index)) << 10); | |
afaf5a2d DS |
731 | } |
732 | ||
733 | static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a) | |
734 | { | |
d915058f | 735 | if (is_qla4010(a)) |
afaf5a2d | 736 | ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK); |
d915058f DS |
737 | else |
738 | ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK); | |
afaf5a2d DS |
739 | } |
740 | ||
741 | static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a) | |
742 | { | |
d915058f DS |
743 | if (is_qla4010(a)) |
744 | return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK, | |
745 | QL4010_DRVR_SEM_BITS); | |
746 | else | |
afaf5a2d DS |
747 | return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK, |
748 | (QL4022_RESOURCE_BITS_BASE_CODE | | |
749 | (a->mac_index)) << 1); | |
afaf5a2d DS |
750 | } |
751 | ||
752 | static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a) | |
753 | { | |
d915058f | 754 | if (is_qla4010(a)) |
afaf5a2d | 755 | ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK); |
d915058f DS |
756 | else |
757 | ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK); | |
afaf5a2d DS |
758 | } |
759 | ||
760 | /*---------------------------------------------------------------------------*/ | |
761 | ||
762 | /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */ | |
763 | #define PRESERVE_DDB_LIST 0 | |
764 | #define REBUILD_DDB_LIST 1 | |
765 | ||
766 | /* Defines for process_aen() */ | |
767 | #define PROCESS_ALL_AENS 0 | |
768 | #define FLUSH_DDB_CHANGED_AENS 1 | |
769 | #define RELOGIN_DDB_CHANGED_AENS 2 | |
770 | ||
afaf5a2d | 771 | #endif /*_QLA4XXX_H */ |