1 /*
2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2013 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>
27 #include <linux/aer.h>
28 #include <linux/bsg-lib.h>
29 #include <linux/vmalloc.h>
30
31 #include <net/tcp.h>
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_cmnd.h>
36 #include <scsi/scsi_transport.h>
37 #include <scsi/scsi_transport_iscsi.h>
38 #include <scsi/scsi_bsg_iscsi.h>
39 #include <scsi/scsi_netlink.h>
40 #include <scsi/libiscsi.h>
41
42 #include "ql4_dbg.h"
43 #include "ql4_nx.h"
44 #include "ql4_fw.h"
45 #include "ql4_nvram.h"
46 #include "ql4_83xx.h"
47
48 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
49 #define PCI_DEVICE_ID_QLOGIC_ISP4010 0x4010
50 #endif
51
52 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4022
53 #define PCI_DEVICE_ID_QLOGIC_ISP4022 0x4022
54 #endif
55
56 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
57 #define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032
58 #endif
59
60 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8022
61 #define PCI_DEVICE_ID_QLOGIC_ISP8022 0x8022
62 #endif
63
64 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8324
65 #define PCI_DEVICE_ID_QLOGIC_ISP8324 0x8032
66 #endif
67
68 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8042
69 #define PCI_DEVICE_ID_QLOGIC_ISP8042 0x8042
70 #endif
71
72 #define ISP4XXX_PCI_FN_1 0x1
73 #define ISP4XXX_PCI_FN_2 0x3
74
75 #define QLA_SUCCESS 0
76 #define QLA_ERROR 1
77 #define STATUS(status) status == QLA_ERROR ? "FAILED" : "SUCCEEDED"
78
79 /*
80 * Data bit definitions
81 */
82 #define BIT_0 0x1
83 #define BIT_1 0x2
84 #define BIT_2 0x4
85 #define BIT_3 0x8
86 #define BIT_4 0x10
87 #define BIT_5 0x20
88 #define BIT_6 0x40
89 #define BIT_7 0x80
90 #define BIT_8 0x100
91 #define BIT_9 0x200
92 #define BIT_10 0x400
93 #define BIT_11 0x800
94 #define BIT_12 0x1000
95 #define BIT_13 0x2000
96 #define BIT_14 0x4000
97 #define BIT_15 0x8000
98 #define BIT_16 0x10000
99 #define BIT_17 0x20000
100 #define BIT_18 0x40000
101 #define BIT_19 0x80000
102 #define BIT_20 0x100000
103 #define BIT_21 0x200000
104 #define BIT_22 0x400000
105 #define BIT_23 0x800000
106 #define BIT_24 0x1000000
107 #define BIT_25 0x2000000
108 #define BIT_26 0x4000000
109 #define BIT_27 0x8000000
110 #define BIT_28 0x10000000
111 #define BIT_29 0x20000000
112 #define BIT_30 0x40000000
113 #define BIT_31 0x80000000
114
115 /**
116 * Macros to help code, maintain, etc.
117 **/
118 #define ql4_printk(level, ha, format, arg...) \
119 dev_printk(level , &((ha)->pdev->dev) , format , ## arg)
120
121
122 /*
123 * Host adapter default definitions
124 ***********************************/
125 #define MAX_HBAS 16
126 #define MAX_BUSES 1
127 #define MAX_TARGETS MAX_DEV_DB_ENTRIES
128 #define MAX_LUNS 0xffff
129 #define MAX_AEN_ENTRIES MAX_DEV_DB_ENTRIES
130 #define MAX_DDB_ENTRIES MAX_DEV_DB_ENTRIES
131 #define MAX_PDU_ENTRIES 32
132 #define INVALID_ENTRY 0xFFFF
133 #define MAX_CMDS_TO_RISC 1024
134 #define MAX_SRBS MAX_CMDS_TO_RISC
135 #define MBOX_AEN_REG_COUNT 8
136 #define MAX_INIT_RETRIES 5
137
138 /*
139 * Buffer sizes
140 */
141 #define REQUEST_QUEUE_DEPTH MAX_CMDS_TO_RISC
142 #define RESPONSE_QUEUE_DEPTH 64
143 #define QUEUE_SIZE 64
144 #define DMA_BUFFER_SIZE 512
145 #define IOCB_HIWAT_CUSHION 4
146
147 /*
148 * Misc
149 */
150 #define MAC_ADDR_LEN 6 /* in bytes */
151 #define IP_ADDR_LEN 4 /* in bytes */
152 #define IPv6_ADDR_LEN 16 /* IPv6 address size */
153 #define DRIVER_NAME "qla4xxx"
154
155 #define MAX_LINKED_CMDS_PER_LUN 3
156 #define MAX_REQS_SERVICED_PER_INTR 1
157
158 #define ISCSI_IPADDR_SIZE 4 /* IP address size */
159 #define ISCSI_ALIAS_SIZE 32 /* ISCSI Alias name size */
160 #define ISCSI_NAME_SIZE 0xE0 /* ISCSI Name size */
161
162 #define QL4_SESS_RECOVERY_TMO 120 /* iSCSI session */
163 /* recovery timeout */
164
165 #define LSDW(x) ((u32)((u64)(x)))
166 #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
167
168 #define DEV_DB_NON_PERSISTENT 0
169 #define DEV_DB_PERSISTENT 1
170
171 #define COPY_ISID(dst_isid, src_isid) { \
172 int i, j; \
173 for (i = 0, j = ISID_SIZE - 1; i < ISID_SIZE;) \
174 dst_isid[i++] = src_isid[j--]; \
175 }
176
177 #define SET_BITVAL(o, n, v) { \
178 if (o) \
179 n |= v; \
180 else \
181 n &= ~v; \
182 }
183
184 #define OP_STATE(o, f, p) { \
185 p = (o & f) ? "enable" : "disable"; \
186 }
187
188 /*
189 * Retry & Timeout Values
190 */
191 #define MBOX_TOV 60
192 #define SOFT_RESET_TOV 30
193 #define RESET_INTR_TOV 3
194 #define SEMAPHORE_TOV 10
195 #define ADAPTER_INIT_TOV 30
196 #define ADAPTER_RESET_TOV 180
197 #define EXTEND_CMD_TOV 60
198 #define WAIT_CMD_TOV 5
199 #define EH_WAIT_CMD_TOV 120
200 #define FIRMWARE_UP_TOV 60
201 #define RESET_FIRMWARE_TOV 30
202 #define LOGOUT_TOV 10
203 #define IOCB_TOV_MARGIN 10
204 #define RELOGIN_TOV 18
205 #define ISNS_DEREG_TOV 5
206 #define HBA_ONLINE_TOV 30
207 #define DISABLE_ACB_TOV 30
208 #define IP_CONFIG_TOV 30
209 #define LOGIN_TOV 12
210 #define BOOT_LOGIN_RESP_TOV 60
211
212 #define MAX_RESET_HA_RETRIES 2
213 #define FW_ALIVE_WAIT_TOV 3
214 #define IDC_EXTEND_TOV 8
215 #define IDC_COMP_TOV 5
216 #define LINK_UP_COMP_TOV 30
217
218 #define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr)
219
220 /*
221 * SCSI Request Block structure (srb) that is placed
222 * on cmd->SCp location of every I/O [We have 22 bytes available]
223 */
224 struct srb {
225 struct list_head list; /* (8) */
226 struct scsi_qla_host *ha; /* HA the SP is queued on */
227 struct ddb_entry *ddb;
228 uint16_t flags; /* (1) Status flags. */
229
230 #define SRB_DMA_VALID BIT_3 /* DMA Buffer mapped. */
231 #define SRB_GOT_SENSE BIT_4 /* sense data received. */
232 uint8_t state; /* (1) Status flags. */
233
234 #define SRB_NO_QUEUE_STATE 0 /* Request is in between states */
235 #define SRB_FREE_STATE 1
236 #define SRB_ACTIVE_STATE 3
237 #define SRB_ACTIVE_TIMEOUT_STATE 4
238 #define SRB_SUSPENDED_STATE 7 /* Request in suspended state */
239
240 struct scsi_cmnd *cmd; /* (4) SCSI command block */
241 dma_addr_t dma_handle; /* (4) for unmap of single transfers */
242 struct kref srb_ref; /* reference count for this srb */
243 uint8_t err_id; /* error id */
244 #define SRB_ERR_PORT 1 /* Request failed because "port down" */
245 #define SRB_ERR_LOOP 2 /* Request failed because "loop down" */
246 #define SRB_ERR_DEVICE 3 /* Request failed because "device error" */
247 #define SRB_ERR_OTHER 4
248
249 uint16_t reserved;
250 uint16_t iocb_tov;
251 uint16_t iocb_cnt; /* Number of used iocbs */
252 uint16_t cc_stat;
253
254 /* Used for extended sense / status continuation */
255 uint8_t *req_sense_ptr;
256 uint16_t req_sense_len;
257 uint16_t reserved2;
258 };
259
260 /* Mailbox request block structure */
261 struct mrb {
262 struct scsi_qla_host *ha;
263 struct mbox_cmd_iocb *mbox;
264 uint32_t mbox_cmd;
265 uint16_t iocb_cnt; /* Number of used iocbs */
266 uint32_t pid;
267 };
268
269 /*
270 * Asynchronous Event Queue structure
271 */
272 struct aen {
273 uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
274 };
275
276 struct ql4_aen_log {
277 int count;
278 struct aen entry[MAX_AEN_ENTRIES];
279 };
280
281 /*
282 * Device Database (DDB) structure
283 */
284 struct ddb_entry {
285 struct scsi_qla_host *ha;
286 struct iscsi_cls_session *sess;
287 struct iscsi_cls_conn *conn;
288
289 uint16_t fw_ddb_index; /* DDB firmware index */
290 uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */
291 uint16_t ddb_type;
292 #define FLASH_DDB 0x01
293
294 struct dev_db_entry fw_ddb_entry;
295 int (*unblock_sess)(struct iscsi_cls_session *cls_session);
296 int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
297 struct ddb_entry *ddb_entry, uint32_t state);
298
299 /* Driver Re-login */
300 unsigned long flags; /* DDB Flags */
301 #define DDB_CONN_CLOSE_FAILURE 0 /* 0x00000001 */
302
303 uint16_t default_relogin_timeout; /* Max time to wait for
304 * relogin to complete */
305 atomic_t retry_relogin_timer; /* Min Time between relogins
306 * (4000 only) */
307 atomic_t relogin_timer; /* Max Time to wait for
308 * relogin to complete */
309 atomic_t relogin_retry_count; /* Num of times relogin has been
310 * retried */
311 uint32_t default_time2wait; /* Default Min time between
312 * relogins (+aens) */
313 uint16_t chap_tbl_idx;
314 };
315
316 struct qla_ddb_index {
317 struct list_head list;
318 uint16_t fw_ddb_idx;
319 uint16_t flash_ddb_idx;
320 struct dev_db_entry fw_ddb;
321 uint8_t flash_isid[6];
322 };
323
324 #define DDB_IPADDR_LEN 64
325
326 struct ql4_tuple_ddb {
327 int port;
328 int tpgt;
329 char ip_addr[DDB_IPADDR_LEN];
330 char iscsi_name[ISCSI_NAME_SIZE];
331 uint16_t options;
332 #define DDB_OPT_IPV6 0x0e0e
333 #define DDB_OPT_IPV4 0x0f0f
334 uint8_t isid[6];
335 };
336
337 /*
338 * DDB states.
339 */
340 #define DDB_STATE_DEAD 0 /* We can no longer talk to
341 * this device */
342 #define DDB_STATE_ONLINE 1 /* Device ready to accept
343 * commands */
344 #define DDB_STATE_MISSING 2 /* Device logged off, trying
345 * to re-login */
346
347 /*
348 * DDB flags.
349 */
350 #define DF_RELOGIN 0 /* Relogin to device */
351 #define DF_BOOT_TGT 1 /* Boot target entry */
352 #define DF_ISNS_DISCOVERED 2 /* Device was discovered via iSNS */
353 #define DF_FO_MASKED 3
354 #define DF_DISABLE_RELOGIN 4 /* Disable relogin to device */
355
356 enum qla4_work_type {
357 QLA4_EVENT_AEN,
358 QLA4_EVENT_PING_STATUS,
359 };
360
361 struct qla4_work_evt {
362 struct list_head list;
363 enum qla4_work_type type;
364 union {
365 struct {
366 enum iscsi_host_event_code code;
367 uint32_t data_size;
368 uint8_t data[0];
369 } aen;
370 struct {
371 uint32_t status;
372 uint32_t pid;
373 uint32_t data_size;
374 uint8_t data[0];
375 } ping;
376 } u;
377 };
378
379 struct ql82xx_hw_data {
380 /* Offsets for flash/nvram access (set to ~0 if not used). */
381 uint32_t flash_conf_off;
382 uint32_t flash_data_off;
383
384 uint32_t fdt_wrt_disable;
385 uint32_t fdt_erase_cmd;
386 uint32_t fdt_block_size;
387 uint32_t fdt_unprotect_sec_cmd;
388 uint32_t fdt_protect_sec_cmd;
389
390 uint32_t flt_region_flt;
391 uint32_t flt_region_fdt;
392 uint32_t flt_region_boot;
393 uint32_t flt_region_bootload;
394 uint32_t flt_region_fw;
395
396 uint32_t flt_iscsi_param;
397 uint32_t flt_region_chap;
398 uint32_t flt_chap_size;
399 uint32_t flt_region_ddb;
400 uint32_t flt_ddb_size;
401 };
402
403 struct qla4_8xxx_legacy_intr_set {
404 uint32_t int_vec_bit;
405 uint32_t tgt_status_reg;
406 uint32_t tgt_mask_reg;
407 uint32_t pci_int_reg;
408 };
409
410 /* MSI-X Support */
411
412 #define QLA_MSIX_DEFAULT 0x00
413 #define QLA_MSIX_RSP_Q 0x01
414
415 #define QLA_MSIX_ENTRIES 2
416 #define QLA_MIDX_DEFAULT 0
417 #define QLA_MIDX_RSP_Q 1
418
419 struct ql4_msix_entry {
420 int have_irq;
421 uint16_t msix_vector;
422 uint16_t msix_entry;
423 };
424
425 /*
426 * ISP Operations
427 */
428 struct isp_operations {
429 int (*iospace_config) (struct scsi_qla_host *ha);
430 void (*pci_config) (struct scsi_qla_host *);
431 void (*disable_intrs) (struct scsi_qla_host *);
432 void (*enable_intrs) (struct scsi_qla_host *);
433 int (*start_firmware) (struct scsi_qla_host *);
434 int (*restart_firmware) (struct scsi_qla_host *);
435 irqreturn_t (*intr_handler) (int , void *);
436 void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
437 int (*need_reset) (struct scsi_qla_host *);
438 int (*reset_chip) (struct scsi_qla_host *);
439 int (*reset_firmware) (struct scsi_qla_host *);
440 void (*queue_iocb) (struct scsi_qla_host *);
441 void (*complete_iocb) (struct scsi_qla_host *);
442 uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
443 uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
444 int (*get_sys_info) (struct scsi_qla_host *);
445 uint32_t (*rd_reg_direct) (struct scsi_qla_host *, ulong);
446 void (*wr_reg_direct) (struct scsi_qla_host *, ulong, uint32_t);
447 int (*rd_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t *);
448 int (*wr_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t);
449 int (*idc_lock) (struct scsi_qla_host *);
450 void (*idc_unlock) (struct scsi_qla_host *);
451 void (*rom_lock_recovery) (struct scsi_qla_host *);
452 void (*queue_mailbox_command) (struct scsi_qla_host *, uint32_t *, int);
453 void (*process_mailbox_interrupt) (struct scsi_qla_host *, int);
454 };
455
456 struct ql4_mdump_size_table {
457 uint32_t size;
458 uint32_t size_cmask_02;
459 uint32_t size_cmask_04;
460 uint32_t size_cmask_08;
461 uint32_t size_cmask_10;
462 uint32_t size_cmask_FF;
463 uint32_t version;
464 };
465
466 /*qla4xxx ipaddress configuration details */
467 struct ipaddress_config {
468 uint16_t ipv4_options;
469 uint16_t tcp_options;
470 uint16_t ipv4_vlan_tag;
471 uint8_t ipv4_addr_state;
472 uint8_t ip_address[IP_ADDR_LEN];
473 uint8_t subnet_mask[IP_ADDR_LEN];
474 uint8_t gateway[IP_ADDR_LEN];
475 uint32_t ipv6_options;
476 uint32_t ipv6_addl_options;
477 uint8_t ipv6_link_local_state;
478 uint8_t ipv6_addr0_state;
479 uint8_t ipv6_addr1_state;
480 uint8_t ipv6_default_router_state;
481 uint16_t ipv6_vlan_tag;
482 struct in6_addr ipv6_link_local_addr;
483 struct in6_addr ipv6_addr0;
484 struct in6_addr ipv6_addr1;
485 struct in6_addr ipv6_default_router_addr;
486 uint16_t eth_mtu_size;
487 uint16_t ipv4_port;
488 uint16_t ipv6_port;
489 uint8_t control;
490 uint16_t ipv6_tcp_options;
491 uint8_t tcp_wsf;
492 uint8_t ipv6_tcp_wsf;
493 uint8_t ipv4_tos;
494 uint8_t ipv4_cache_id;
495 uint8_t ipv6_cache_id;
496 uint8_t ipv4_alt_cid_len;
497 uint8_t ipv4_alt_cid[11];
498 uint8_t ipv4_vid_len;
499 uint8_t ipv4_vid[11];
500 uint8_t ipv4_ttl;
501 uint16_t ipv6_flow_lbl;
502 uint8_t ipv6_traffic_class;
503 uint8_t ipv6_hop_limit;
504 uint32_t ipv6_nd_reach_time;
505 uint32_t ipv6_nd_rexmit_timer;
506 uint32_t ipv6_nd_stale_timeout;
507 uint8_t ipv6_dup_addr_detect_count;
508 uint32_t ipv6_gw_advrt_mtu;
509 uint16_t def_timeout;
510 uint8_t abort_timer;
511 uint16_t iscsi_options;
512 uint16_t iscsi_max_pdu_size;
513 uint16_t iscsi_first_burst_len;
514 uint16_t iscsi_max_outstnd_r2t;
515 uint16_t iscsi_max_burst_len;
516 uint8_t iscsi_name[224];
517 };
518
519 #define QL4_CHAP_MAX_NAME_LEN 256
520 #define QL4_CHAP_MAX_SECRET_LEN 100
521 #define LOCAL_CHAP 0
522 #define BIDI_CHAP 1
523
524 struct ql4_chap_format {
525 u8 intr_chap_name[QL4_CHAP_MAX_NAME_LEN];
526 u8 intr_secret[QL4_CHAP_MAX_SECRET_LEN];
527 u8 target_chap_name[QL4_CHAP_MAX_NAME_LEN];
528 u8 target_secret[QL4_CHAP_MAX_SECRET_LEN];
529 u16 intr_chap_name_length;
530 u16 intr_secret_length;
531 u16 target_chap_name_length;
532 u16 target_secret_length;
533 };
534
535 struct ip_address_format {
536 u8 ip_type;
537 u8 ip_address[16];
538 };
539
540 struct ql4_conn_info {
541 u16 dest_port;
542 struct ip_address_format dest_ipaddr;
543 struct ql4_chap_format chap;
544 };
545
546 struct ql4_boot_session_info {
547 u8 target_name[224];
548 struct ql4_conn_info conn_list[1];
549 };
550
551 struct ql4_boot_tgt_info {
552 struct ql4_boot_session_info boot_pri_sess;
553 struct ql4_boot_session_info boot_sec_sess;
554 };
555
556 /*
557 * Linux Host Adapter structure
558 */
559 struct scsi_qla_host {
560 /* Linux adapter configuration data */
561 unsigned long flags;
562
563 #define AF_ONLINE 0 /* 0x00000001 */
564 #define AF_INIT_DONE 1 /* 0x00000002 */
565 #define AF_MBOX_COMMAND 2 /* 0x00000004 */
566 #define AF_MBOX_COMMAND_DONE 3 /* 0x00000008 */
567 #define AF_ST_DISCOVERY_IN_PROGRESS 4 /* 0x00000010 */
568 #define AF_INTERRUPTS_ON 6 /* 0x00000040 */
569 #define AF_GET_CRASH_RECORD 7 /* 0x00000080 */
570 #define AF_LINK_UP 8 /* 0x00000100 */
571 #define AF_LOOPBACK 9 /* 0x00000200 */
572 #define AF_IRQ_ATTACHED 10 /* 0x00000400 */
573 #define AF_DISABLE_ACB_COMPLETE 11 /* 0x00000800 */
574 #define AF_HA_REMOVAL 12 /* 0x00001000 */
575 #define AF_INTx_ENABLED 15 /* 0x00008000 */
576 #define AF_MSI_ENABLED 16 /* 0x00010000 */
577 #define AF_MSIX_ENABLED 17 /* 0x00020000 */
578 #define AF_MBOX_COMMAND_NOPOLL 18 /* 0x00040000 */
579 #define AF_FW_RECOVERY 19 /* 0x00080000 */
580 #define AF_EEH_BUSY 20 /* 0x00100000 */
581 #define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */
582 #define AF_BUILD_DDB_LIST 22 /* 0x00400000 */
583 #define AF_82XX_FW_DUMPED 24 /* 0x01000000 */
584 #define AF_8XXX_RST_OWNER 25 /* 0x02000000 */
585 #define AF_82XX_DUMP_READING 26 /* 0x04000000 */
586 #define AF_83XX_IOCB_INTR_ON 28 /* 0x10000000 */
587 #define AF_83XX_MBOX_INTR_ON 29 /* 0x20000000 */
588
589 unsigned long dpc_flags;
590
591 #define DPC_RESET_HA 1 /* 0x00000002 */
592 #define DPC_RETRY_RESET_HA 2 /* 0x00000004 */
593 #define DPC_RELOGIN_DEVICE 3 /* 0x00000008 */
594 #define DPC_RESET_HA_FW_CONTEXT 4 /* 0x00000010 */
595 #define DPC_RESET_HA_INTR 5 /* 0x00000020 */
596 #define DPC_ISNS_RESTART 7 /* 0x00000080 */
597 #define DPC_AEN 9 /* 0x00000200 */
598 #define DPC_GET_DHCP_IP_ADDR 15 /* 0x00008000 */
599 #define DPC_LINK_CHANGED 18 /* 0x00040000 */
600 #define DPC_RESET_ACTIVE 20 /* 0x00100000 */
601 #define DPC_HA_UNRECOVERABLE 21 /* 0x00200000 ISP-82xx only*/
602 #define DPC_HA_NEED_QUIESCENT 22 /* 0x00400000 ISP-82xx only*/
603 #define DPC_POST_IDC_ACK 23 /* 0x00800000 */
604 #define DPC_RESTORE_ACB 24 /* 0x01000000 */
605 #define DPC_SYSFS_DDB_EXPORT 25 /* 0x02000000 */
606
607 struct Scsi_Host *host; /* pointer to host data */
608 uint32_t tot_ddbs;
609
610 uint16_t iocb_cnt;
611 uint16_t iocb_hiwat;
612
613 /* SRB cache. */
614 #define SRB_MIN_REQ 128
615 mempool_t *srb_mempool;
616
617 /* pci information */
618 struct pci_dev *pdev;
619
620 struct isp_reg __iomem *reg; /* Base I/O address */
621 unsigned long pio_address;
622 unsigned long pio_length;
623 #define MIN_IOBASE_LEN 0x100
624
625 uint16_t req_q_count;
626
627 unsigned long host_no;
628
629 /* NVRAM registers */
630 struct eeprom_data *nvram;
631 spinlock_t hardware_lock ____cacheline_aligned;
632 uint32_t eeprom_cmd_data;
633
634 /* Counters for general statistics */
635 uint64_t isr_count;
636 uint64_t adapter_error_count;
637 uint64_t device_error_count;
638 uint64_t total_io_count;
639 uint64_t total_mbytes_xferred;
640 uint64_t link_failure_count;
641 uint64_t invalid_crc_count;
642 uint32_t bytes_xfered;
643 uint32_t spurious_int_count;
644 uint32_t aborted_io_count;
645 uint32_t io_timeout_count;
646 uint32_t mailbox_timeout_count;
647 uint32_t seconds_since_last_intr;
648 uint32_t seconds_since_last_heartbeat;
649 uint32_t mac_index;
650
651 /* Info Needed for Management App */
652 /* --- From GetFwVersion --- */
653 uint32_t firmware_version[2];
654 uint32_t patch_number;
655 uint32_t build_number;
656 uint32_t board_id;
657
658 /* --- From Init_FW --- */
659 /* init_cb_t *init_cb; */
660 uint16_t firmware_options;
661 uint8_t alias[32];
662 uint8_t name_string[256];
663 uint8_t heartbeat_interval;
664
665 /* --- From FlashSysInfo --- */
666 uint8_t my_mac[MAC_ADDR_LEN];
667 uint8_t serial_number[16];
668 uint16_t port_num;
669 /* --- From GetFwState --- */
670 uint32_t firmware_state;
671 uint32_t addl_fw_state;
672
673 /* Linux kernel thread */
674 struct workqueue_struct *dpc_thread;
675 struct work_struct dpc_work;
676
677 /* Linux timer thread */
678 struct timer_list timer;
679 uint32_t timer_active;
680
681 /* Recovery Timers */
682 atomic_t check_relogin_timeouts;
683 uint32_t retry_reset_ha_cnt;
684 uint32_t isp_reset_timer; /* reset test timer */
685 uint32_t nic_reset_timer; /* simulated nic reset test timer */
686 int eh_start;
687 struct list_head free_srb_q;
688 uint16_t free_srb_q_count;
689 uint16_t num_srbs_allocated;
690
691 /* DMA Memory Block */
692 void *queues;
693 dma_addr_t queues_dma;
694 unsigned long queues_len;
695
696 #define MEM_ALIGN_VALUE \
697 ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \
698 sizeof(struct queue_entry))
699 /* request and response queue variables */
700 dma_addr_t request_dma;
701 struct queue_entry *request_ring;
702 struct queue_entry *request_ptr;
703 dma_addr_t response_dma;
704 struct queue_entry *response_ring;
705 struct queue_entry *response_ptr;
706 dma_addr_t shadow_regs_dma;
707 struct shadow_regs *shadow_regs;
708 uint16_t request_in; /* Current indexes. */
709 uint16_t request_out;
710 uint16_t response_in;
711 uint16_t response_out;
712
713 /* aen queue variables */
714 uint16_t aen_q_count; /* Number of available aen_q entries */
715 uint16_t aen_in; /* Current indexes */
716 uint16_t aen_out;
717 struct aen aen_q[MAX_AEN_ENTRIES];
718
719 struct ql4_aen_log aen_log;/* tracks all aens */
720
721 /* This mutex protects several threads to do mailbox commands
722 * concurrently.
723 */
724 struct mutex mbox_sem;
725
726 /* temporary mailbox status registers */
727 volatile uint8_t mbox_status_count;
728 volatile uint32_t mbox_status[MBOX_REG_COUNT];
729
730 /* FW ddb index map */
731 struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
732
733 /* Saved srb for status continuation entry processing */
734 struct srb *status_srb;
735
736 uint8_t acb_version;
737
738 /* qla82xx specific fields */
739 struct device_reg_82xx __iomem *qla4_82xx_reg; /* Base I/O address */
740 unsigned long nx_pcibase; /* Base I/O address */
741 uint8_t *nx_db_rd_ptr; /* Doorbell read pointer */
742 unsigned long nx_db_wr_ptr; /* Door bell write pointer */
743 unsigned long first_page_group_start;
744 unsigned long first_page_group_end;
745
746 uint32_t crb_win;
747 uint32_t curr_window;
748 uint32_t ddr_mn_window;
749 unsigned long mn_win_crb;
750 unsigned long ms_win_crb;
751 int qdr_sn_window;
752 rwlock_t hw_lock;
753 uint16_t func_num;
754 int link_width;
755
756 struct qla4_8xxx_legacy_intr_set nx_legacy_intr;
757 u32 nx_crb_mask;
758
759 uint8_t revision_id;
760 uint32_t fw_heartbeat_counter;
761
762 struct isp_operations *isp_ops;
763 struct ql82xx_hw_data hw;
764
765 struct ql4_msix_entry msix_entries[QLA_MSIX_ENTRIES];
766
767 uint32_t nx_dev_init_timeout;
768 uint32_t nx_reset_timeout;
769 void *fw_dump;
770 uint32_t fw_dump_size;
771 uint32_t fw_dump_capture_mask;
772 void *fw_dump_tmplt_hdr;
773 uint32_t fw_dump_tmplt_size;
774 uint32_t fw_dump_skip_size;
775
776 struct completion mbx_intr_comp;
777
778 struct ipaddress_config ip_config;
779 struct iscsi_iface *iface_ipv4;
780 struct iscsi_iface *iface_ipv6_0;
781 struct iscsi_iface *iface_ipv6_1;
782
783 /* --- From About Firmware --- */
784 struct about_fw_info fw_info;
785 uint32_t fw_uptime_secs; /* seconds elapsed since fw bootup */
786 uint32_t fw_uptime_msecs; /* milliseconds beyond elapsed seconds */
787 uint16_t def_timeout; /* Default login timeout */
788
789 uint32_t flash_state;
790 #define QLFLASH_WAITING 0
791 #define QLFLASH_READING 1
792 #define QLFLASH_WRITING 2
793 struct dma_pool *chap_dma_pool;
794 uint8_t *chap_list; /* CHAP table cache */
795 struct mutex chap_sem;
796
797 #define CHAP_DMA_BLOCK_SIZE 512
798 struct workqueue_struct *task_wq;
799 unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
800 #define SYSFS_FLAG_FW_SEL_BOOT 2
801 struct iscsi_boot_kset *boot_kset;
802 struct ql4_boot_tgt_info boot_tgt;
803 uint16_t phy_port_num;
804 uint16_t phy_port_cnt;
805 uint16_t iscsi_pci_func_cnt;
806 uint8_t model_name[16];
807 struct completion disable_acb_comp;
808 struct dma_pool *fw_ddb_dma_pool;
809 #define DDB_DMA_BLOCK_SIZE 512
810 uint16_t pri_ddb_idx;
811 uint16_t sec_ddb_idx;
812 int is_reset;
813 uint16_t temperature;
814
815 /* event work list */
816 struct list_head work_list;
817 spinlock_t work_lock;
818
819 /* mbox iocb */
820 #define MAX_MRB 128
821 struct mrb *active_mrb_array[MAX_MRB];
822 uint32_t mrb_index;
823
824 uint32_t *reg_tbl;
825 struct qla4_83xx_reset_template reset_tmplt;
826 struct device_reg_83xx __iomem *qla4_83xx_reg; /* Base I/O address
827 for ISP8324 and
828 and ISP8042 */
829 uint32_t pf_bit;
830 struct qla4_83xx_idc_information idc_info;
831 struct addr_ctrl_blk *saved_acb;
832 int notify_idc_comp;
833 int notify_link_up_comp;
834 int idc_extend_tmo;
835 struct completion idc_comp;
836 struct completion link_up_comp;
837 };
838
839 struct ql4_task_data {
840 struct scsi_qla_host *ha;
841 uint8_t iocb_req_cnt;
842 dma_addr_t data_dma;
843 void *req_buffer;
844 dma_addr_t req_dma;
845 uint32_t req_len;
846 void *resp_buffer;
847 dma_addr_t resp_dma;
848 uint32_t resp_len;
849 struct iscsi_task *task;
850 struct passthru_status sts;
851 struct work_struct task_work;
852 };
853
854 struct qla_endpoint {
855 struct Scsi_Host *host;
856 struct sockaddr_storage dst_addr;
857 };
858
859 struct qla_conn {
860 struct qla_endpoint *qla_ep;
861 };
862
is_ipv4_enabled(struct scsi_qla_host * ha)863 static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
864 {
865 return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0);
866 }
867
is_ipv6_enabled(struct scsi_qla_host * ha)868 static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
869 {
870 return ((ha->ip_config.ipv6_options &
871 IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
872 }
873
is_qla4010(struct scsi_qla_host * ha)874 static inline int is_qla4010(struct scsi_qla_host *ha)
875 {
876 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
877 }
878
is_qla4022(struct scsi_qla_host * ha)879 static inline int is_qla4022(struct scsi_qla_host *ha)
880 {
881 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
882 }
883
is_qla4032(struct scsi_qla_host * ha)884 static inline int is_qla4032(struct scsi_qla_host *ha)
885 {
886 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
887 }
888
is_qla40XX(struct scsi_qla_host * ha)889 static inline int is_qla40XX(struct scsi_qla_host *ha)
890 {
891 return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha);
892 }
893
is_qla8022(struct scsi_qla_host * ha)894 static inline int is_qla8022(struct scsi_qla_host *ha)
895 {
896 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
897 }
898
is_qla8032(struct scsi_qla_host * ha)899 static inline int is_qla8032(struct scsi_qla_host *ha)
900 {
901 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324;
902 }
903
is_qla8042(struct scsi_qla_host * ha)904 static inline int is_qla8042(struct scsi_qla_host *ha)
905 {
906 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042;
907 }
908
is_qla80XX(struct scsi_qla_host * ha)909 static inline int is_qla80XX(struct scsi_qla_host *ha)
910 {
911 return is_qla8022(ha) || is_qla8032(ha) || is_qla8042(ha);
912 }
913
is_aer_supported(struct scsi_qla_host * ha)914 static inline int is_aer_supported(struct scsi_qla_host *ha)
915 {
916 return ((ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022) ||
917 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324) ||
918 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042));
919 }
920
adapter_up(struct scsi_qla_host * ha)921 static inline int adapter_up(struct scsi_qla_host *ha)
922 {
923 return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
924 (test_bit(AF_LINK_UP, &ha->flags) != 0) &&
925 (!test_bit(AF_LOOPBACK, &ha->flags));
926 }
927
to_qla_host(struct Scsi_Host * shost)928 static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
929 {
930 return (struct scsi_qla_host *)iscsi_host_priv(shost);
931 }
932
isp_semaphore(struct scsi_qla_host * ha)933 static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
934 {
935 return (is_qla4010(ha) ?
936 &ha->reg->u1.isp4010.nvram :
937 &ha->reg->u1.isp4022.semaphore);
938 }
939
isp_nvram(struct scsi_qla_host * ha)940 static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
941 {
942 return (is_qla4010(ha) ?
943 &ha->reg->u1.isp4010.nvram :
944 &ha->reg->u1.isp4022.nvram);
945 }
946
isp_ext_hw_conf(struct scsi_qla_host * ha)947 static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
948 {
949 return (is_qla4010(ha) ?
950 &ha->reg->u2.isp4010.ext_hw_conf :
951 &ha->reg->u2.isp4022.p0.ext_hw_conf);
952 }
953
isp_port_status(struct scsi_qla_host * ha)954 static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
955 {
956 return (is_qla4010(ha) ?
957 &ha->reg->u2.isp4010.port_status :
958 &ha->reg->u2.isp4022.p0.port_status);
959 }
960
isp_port_ctrl(struct scsi_qla_host * ha)961 static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
962 {
963 return (is_qla4010(ha) ?
964 &ha->reg->u2.isp4010.port_ctrl :
965 &ha->reg->u2.isp4022.p0.port_ctrl);
966 }
967
isp_port_error_status(struct scsi_qla_host * ha)968 static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
969 {
970 return (is_qla4010(ha) ?
971 &ha->reg->u2.isp4010.port_err_status :
972 &ha->reg->u2.isp4022.p0.port_err_status);
973 }
974
isp_gp_out(struct scsi_qla_host * ha)975 static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
976 {
977 return (is_qla4010(ha) ?
978 &ha->reg->u2.isp4010.gp_out :
979 &ha->reg->u2.isp4022.p0.gp_out);
980 }
981
eeprom_ext_hw_conf_offset(struct scsi_qla_host * ha)982 static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
983 {
984 return (is_qla4010(ha) ?
985 offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
986 offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
987 }
988
989 int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
990 void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask);
991 int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
992
ql4xxx_lock_flash(struct scsi_qla_host * a)993 static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
994 {
995 if (is_qla4010(a))
996 return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
997 QL4010_FLASH_SEM_BITS);
998 else
999 return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
1000 (QL4022_RESOURCE_BITS_BASE_CODE |
1001 (a->mac_index)) << 13);
1002 }
1003
ql4xxx_unlock_flash(struct scsi_qla_host * a)1004 static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
1005 {
1006 if (is_qla4010(a))
1007 ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
1008 else
1009 ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
1010 }
1011
ql4xxx_lock_nvram(struct scsi_qla_host * a)1012 static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
1013 {
1014 if (is_qla4010(a))
1015 return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
1016 QL4010_NVRAM_SEM_BITS);
1017 else
1018 return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
1019 (QL4022_RESOURCE_BITS_BASE_CODE |
1020 (a->mac_index)) << 10);
1021 }
1022
ql4xxx_unlock_nvram(struct scsi_qla_host * a)1023 static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
1024 {
1025 if (is_qla4010(a))
1026 ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
1027 else
1028 ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
1029 }
1030
ql4xxx_lock_drvr(struct scsi_qla_host * a)1031 static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
1032 {
1033 if (is_qla4010(a))
1034 return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
1035 QL4010_DRVR_SEM_BITS);
1036 else
1037 return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
1038 (QL4022_RESOURCE_BITS_BASE_CODE |
1039 (a->mac_index)) << 1);
1040 }
1041
ql4xxx_unlock_drvr(struct scsi_qla_host * a)1042 static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
1043 {
1044 if (is_qla4010(a))
1045 ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
1046 else
1047 ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
1048 }
1049
ql4xxx_reset_active(struct scsi_qla_host * ha)1050 static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
1051 {
1052 return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
1053 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
1054 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
1055 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
1056 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
1057 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
1058
1059 }
1060
qla4_8xxx_rd_direct(struct scsi_qla_host * ha,const uint32_t crb_reg)1061 static inline int qla4_8xxx_rd_direct(struct scsi_qla_host *ha,
1062 const uint32_t crb_reg)
1063 {
1064 return ha->isp_ops->rd_reg_direct(ha, ha->reg_tbl[crb_reg]);
1065 }
1066
qla4_8xxx_wr_direct(struct scsi_qla_host * ha,const uint32_t crb_reg,const uint32_t value)1067 static inline void qla4_8xxx_wr_direct(struct scsi_qla_host *ha,
1068 const uint32_t crb_reg,
1069 const uint32_t value)
1070 {
1071 ha->isp_ops->wr_reg_direct(ha, ha->reg_tbl[crb_reg], value);
1072 }
1073
1074 /*---------------------------------------------------------------------------*/
1075
1076 /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
1077
1078 #define INIT_ADAPTER 0
1079 #define RESET_ADAPTER 1
1080
1081 #define PRESERVE_DDB_LIST 0
1082 #define REBUILD_DDB_LIST 1
1083
1084 /* Defines for process_aen() */
1085 #define PROCESS_ALL_AENS 0
1086 #define FLUSH_DDB_CHANGED_AENS 1
1087
1088 /* Defines for udev events */
1089 #define QL4_UEVENT_CODE_FW_DUMP 0
1090
1091 #endif /*_QLA4XXX_H */
1092