1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * QLogic iSCSI HBA Driver
4 * Copyright (c) 2003-2013 QLogic Corporation
5 */
6
7#ifndef __QL4_DEF_H
8#define __QL4_DEF_H
9
10#include <linux/kernel.h>
11#include <linux/init.h>
12#include <linux/types.h>
13#include <linux/module.h>
14#include <linux/list.h>
15#include <linux/pci.h>
16#include <linux/dma-mapping.h>
17#include <linux/sched.h>
18#include <linux/slab.h>
19#include <linux/dmapool.h>
20#include <linux/mempool.h>
21#include <linux/spinlock.h>
22#include <linux/workqueue.h>
23#include <linux/delay.h>
24#include <linux/interrupt.h>
25#include <linux/mutex.h>
26#include <linux/bsg-lib.h>
27#include <linux/vmalloc.h>
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#include <scsi/scsi_bsg_iscsi.h>
37#include <scsi/scsi_netlink.h>
38#include <scsi/libiscsi.h>
39
40#include "ql4_dbg.h"
41#include "ql4_nx.h"
42#include "ql4_fw.h"
43#include "ql4_nvram.h"
44#include "ql4_83xx.h"
45
46#ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
47#define PCI_DEVICE_ID_QLOGIC_ISP4010 0x4010
48#endif
49
50#ifndef PCI_DEVICE_ID_QLOGIC_ISP4022
51#define PCI_DEVICE_ID_QLOGIC_ISP4022 0x4022
52#endif
53
54#ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
55#define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032
56#endif
57
58#ifndef PCI_DEVICE_ID_QLOGIC_ISP8022
59#define PCI_DEVICE_ID_QLOGIC_ISP8022 0x8022
60#endif
61
62#ifndef PCI_DEVICE_ID_QLOGIC_ISP8324
63#define PCI_DEVICE_ID_QLOGIC_ISP8324 0x8032
64#endif
65
66#ifndef PCI_DEVICE_ID_QLOGIC_ISP8042
67#define PCI_DEVICE_ID_QLOGIC_ISP8042 0x8042
68#endif
69
70#define ISP4XXX_PCI_FN_1 0x1
71#define ISP4XXX_PCI_FN_2 0x3
72
73#define QLA_SUCCESS 0
74#define QLA_ERROR 1
75#define STATUS(status) status == QLA_ERROR ? "FAILED" : "SUCCEEDED"
76
77/*
78 * Data bit definitions
79 */
80#define BIT_0 0x1
81#define BIT_1 0x2
82#define BIT_2 0x4
83#define BIT_3 0x8
84#define BIT_4 0x10
85#define BIT_5 0x20
86#define BIT_6 0x40
87#define BIT_7 0x80
88#define BIT_8 0x100
89#define BIT_9 0x200
90#define BIT_10 0x400
91#define BIT_11 0x800
92#define BIT_12 0x1000
93#define BIT_13 0x2000
94#define BIT_14 0x4000
95#define BIT_15 0x8000
96#define BIT_16 0x10000
97#define BIT_17 0x20000
98#define BIT_18 0x40000
99#define BIT_19 0x80000
100#define BIT_20 0x100000
101#define BIT_21 0x200000
102#define BIT_22 0x400000
103#define BIT_23 0x800000
104#define BIT_24 0x1000000
105#define BIT_25 0x2000000
106#define BIT_26 0x4000000
107#define BIT_27 0x8000000
108#define BIT_28 0x10000000
109#define BIT_29 0x20000000
110#define BIT_30 0x40000000
111#define BIT_31 0x80000000
112
113/**
114 * Macros to help code, maintain, etc.
115 **/
116#define ql4_printk(level, ha, format, arg...) \
117 dev_printk(level , &((ha)->pdev->dev) , format , ## arg)
118
119
120/*
121 * Host adapter default definitions
122 ***********************************/
123#define MAX_HBAS 16
124#define MAX_BUSES 1
125#define MAX_TARGETS MAX_DEV_DB_ENTRIES
126#define MAX_LUNS 0xffff
127#define MAX_AEN_ENTRIES MAX_DEV_DB_ENTRIES
128#define MAX_DDB_ENTRIES MAX_DEV_DB_ENTRIES
129#define MAX_PDU_ENTRIES 32
130#define INVALID_ENTRY 0xFFFF
131#define MAX_CMDS_TO_RISC 1024
132#define MAX_SRBS MAX_CMDS_TO_RISC
133#define MBOX_AEN_REG_COUNT 8
134#define MAX_INIT_RETRIES 5
135
136/*
137 * Buffer sizes
138 */
139#define REQUEST_QUEUE_DEPTH MAX_CMDS_TO_RISC
140#define RESPONSE_QUEUE_DEPTH 64
141#define QUEUE_SIZE 64
142#define DMA_BUFFER_SIZE 512
143#define IOCB_HIWAT_CUSHION 4
144
145/*
146 * Misc
147 */
148#define MAC_ADDR_LEN 6 /* in bytes */
149#define IP_ADDR_LEN 4 /* in bytes */
150#define IPv6_ADDR_LEN 16 /* IPv6 address size */
151#define DRIVER_NAME "qla4xxx"
152
153#define MAX_LINKED_CMDS_PER_LUN 3
154#define MAX_REQS_SERVICED_PER_INTR 1
155
156#define ISCSI_IPADDR_SIZE 4 /* IP address size */
157#define ISCSI_ALIAS_SIZE 32 /* ISCSI Alias name size */
158#define ISCSI_NAME_SIZE 0xE0 /* ISCSI Name size */
159
160#define QL4_SESS_RECOVERY_TMO 120 /* iSCSI session */
161 /* recovery timeout */
162
163#define LSDW(x) ((u32)((u64)(x)))
164#define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
165
166#define DEV_DB_NON_PERSISTENT 0
167#define DEV_DB_PERSISTENT 1
168
169#define QL4_ISP_REG_DISCONNECT 0xffffffffU
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/*
219 * Note: the data structure below does not have a struct iscsi_cmd member since
220 * the qla4xxx driver does not use libiscsi for SCSI I/O.
221 */
222struct qla4xxx_cmd_priv {
223 struct srb *srb;
224};
225
226static inline struct qla4xxx_cmd_priv *qla4xxx_cmd_priv(struct scsi_cmnd *cmd)
227{
228 return scsi_cmd_priv(cmd);
229}
230
231/*
232 * SCSI Request Block structure (srb) that is associated with each scsi_cmnd.
233 */
234struct srb {
235 struct list_head list; /* (8) */
236 struct scsi_qla_host *ha; /* HA the SP is queued on */
237 struct ddb_entry *ddb;
238 uint16_t flags; /* (1) Status flags. */
239
240#define SRB_DMA_VALID BIT_3 /* DMA Buffer mapped. */
241#define SRB_GOT_SENSE BIT_4 /* sense data received. */
242 uint8_t state; /* (1) Status flags. */
243
244#define SRB_NO_QUEUE_STATE 0 /* Request is in between states */
245#define SRB_FREE_STATE 1
246#define SRB_ACTIVE_STATE 3
247#define SRB_ACTIVE_TIMEOUT_STATE 4
248#define SRB_SUSPENDED_STATE 7 /* Request in suspended state */
249
250 struct scsi_cmnd *cmd; /* (4) SCSI command block */
251 dma_addr_t dma_handle; /* (4) for unmap of single transfers */
252 struct kref srb_ref; /* reference count for this srb */
253 uint8_t err_id; /* error id */
254#define SRB_ERR_PORT 1 /* Request failed because "port down" */
255#define SRB_ERR_LOOP 2 /* Request failed because "loop down" */
256#define SRB_ERR_DEVICE 3 /* Request failed because "device error" */
257#define SRB_ERR_OTHER 4
258
259 uint16_t reserved;
260 uint16_t iocb_tov;
261 uint16_t iocb_cnt; /* Number of used iocbs */
262 uint16_t cc_stat;
263
264 /* Used for extended sense / status continuation */
265 uint8_t *req_sense_ptr;
266 uint16_t req_sense_len;
267 uint16_t reserved2;
268};
269
270/* Mailbox request block structure */
271struct mrb {
272 struct scsi_qla_host *ha;
273 struct mbox_cmd_iocb *mbox;
274 uint32_t mbox_cmd;
275 uint16_t iocb_cnt; /* Number of used iocbs */
276 uint32_t pid;
277};
278
279/*
280 * Asynchronous Event Queue structure
281 */
282struct aen {
283 uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
284};
285
286struct ql4_aen_log {
287 int count;
288 struct aen entry[MAX_AEN_ENTRIES];
289};
290
291/*
292 * Device Database (DDB) structure
293 */
294struct ddb_entry {
295 struct scsi_qla_host *ha;
296 struct iscsi_cls_session *sess;
297 struct iscsi_cls_conn *conn;
298
299 uint16_t fw_ddb_index; /* DDB firmware index */
300 uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */
301 uint16_t ddb_type;
302#define FLASH_DDB 0x01
303
304 struct dev_db_entry fw_ddb_entry;
305 int (*unblock_sess)(struct iscsi_cls_session *cls_session);
306 int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
307 struct ddb_entry *ddb_entry, uint32_t state);
308
309 /* Driver Re-login */
310 unsigned long flags; /* DDB Flags */
311#define DDB_CONN_CLOSE_FAILURE 0 /* 0x00000001 */
312
313 uint16_t default_relogin_timeout; /* Max time to wait for
314 * relogin to complete */
315 atomic_t retry_relogin_timer; /* Min Time between relogins
316 * (4000 only) */
317 atomic_t relogin_timer; /* Max Time to wait for
318 * relogin to complete */
319 atomic_t relogin_retry_count; /* Num of times relogin has been
320 * retried */
321 uint32_t default_time2wait; /* Default Min time between
322 * relogins (+aens) */
323 uint16_t chap_tbl_idx;
324};
325
326struct qla_ddb_index {
327 struct list_head list;
328 uint16_t fw_ddb_idx;
329 uint16_t flash_ddb_idx;
330 struct dev_db_entry fw_ddb;
331 uint8_t flash_isid[6];
332};
333
334#define DDB_IPADDR_LEN 64
335
336struct ql4_tuple_ddb {
337 int port;
338 int tpgt;
339 char ip_addr[DDB_IPADDR_LEN];
340 char iscsi_name[ISCSI_NAME_SIZE];
341 uint16_t options;
342#define DDB_OPT_IPV6 0x0e0e
343#define DDB_OPT_IPV4 0x0f0f
344 uint8_t isid[6];
345};
346
347/*
348 * DDB states.
349 */
350#define DDB_STATE_DEAD 0 /* We can no longer talk to
351 * this device */
352#define DDB_STATE_ONLINE 1 /* Device ready to accept
353 * commands */
354#define DDB_STATE_MISSING 2 /* Device logged off, trying
355 * to re-login */
356
357/*
358 * DDB flags.
359 */
360#define DF_RELOGIN 0 /* Relogin to device */
361#define DF_BOOT_TGT 1 /* Boot target entry */
362#define DF_ISNS_DISCOVERED 2 /* Device was discovered via iSNS */
363#define DF_FO_MASKED 3
364#define DF_DISABLE_RELOGIN 4 /* Disable relogin to device */
365
366enum qla4_work_type {
367 QLA4_EVENT_AEN,
368 QLA4_EVENT_PING_STATUS,
369};
370
371struct qla4_work_evt {
372 struct list_head list;
373 enum qla4_work_type type;
374 union {
375 struct {
376 enum iscsi_host_event_code code;
377 uint32_t data_size;
378 uint8_t data[];
379 } aen;
380 struct {
381 uint32_t status;
382 uint32_t pid;
383 uint32_t data_size;
384 uint8_t data[];
385 } ping;
386 } u;
387};
388
389struct ql82xx_hw_data {
390 /* Offsets for flash/nvram access (set to ~0 if not used). */
391 uint32_t flash_conf_off;
392 uint32_t flash_data_off;
393
394 uint32_t fdt_wrt_disable;
395 uint32_t fdt_erase_cmd;
396 uint32_t fdt_block_size;
397 uint32_t fdt_unprotect_sec_cmd;
398 uint32_t fdt_protect_sec_cmd;
399
400 uint32_t flt_region_flt;
401 uint32_t flt_region_fdt;
402 uint32_t flt_region_boot;
403 uint32_t flt_region_bootload;
404 uint32_t flt_region_fw;
405
406 uint32_t flt_iscsi_param;
407 uint32_t flt_region_chap;
408 uint32_t flt_chap_size;
409 uint32_t flt_region_ddb;
410 uint32_t flt_ddb_size;
411};
412
413struct qla4_8xxx_legacy_intr_set {
414 uint32_t int_vec_bit;
415 uint32_t tgt_status_reg;
416 uint32_t tgt_mask_reg;
417 uint32_t pci_int_reg;
418};
419
420/* MSI-X Support */
421#define QLA_MSIX_ENTRIES 2
422
423/*
424 * ISP Operations
425 */
426struct isp_operations {
427 int (*iospace_config) (struct scsi_qla_host *ha);
428 void (*pci_config) (struct scsi_qla_host *);
429 void (*disable_intrs) (struct scsi_qla_host *);
430 void (*enable_intrs) (struct scsi_qla_host *);
431 int (*start_firmware) (struct scsi_qla_host *);
432 int (*restart_firmware) (struct scsi_qla_host *);
433 irqreturn_t (*intr_handler) (int , void *);
434 void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
435 int (*need_reset) (struct scsi_qla_host *);
436 int (*reset_chip) (struct scsi_qla_host *);
437 int (*reset_firmware) (struct scsi_qla_host *);
438 void (*queue_iocb) (struct scsi_qla_host *);
439 void (*complete_iocb) (struct scsi_qla_host *);
440 uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
441 uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
442 int (*get_sys_info) (struct scsi_qla_host *);
443 uint32_t (*rd_reg_direct) (struct scsi_qla_host *, ulong);
444 void (*wr_reg_direct) (struct scsi_qla_host *, ulong, uint32_t);
445 int (*rd_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t *);
446 int (*wr_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t);
447 int (*idc_lock) (struct scsi_qla_host *); /* Context: task, can sleep */
448 void (*idc_unlock) (struct scsi_qla_host *);
449 void (*rom_lock_recovery) (struct scsi_qla_host *); /* Context: task, can sleep */
450 void (*queue_mailbox_command) (struct scsi_qla_host *, uint32_t *, int);
451 void (*process_mailbox_interrupt) (struct scsi_qla_host *, int);
452};
453
454struct ql4_mdump_size_table {
455 uint32_t size;
456 uint32_t size_cmask_02;
457 uint32_t size_cmask_04;
458 uint32_t size_cmask_08;
459 uint32_t size_cmask_10;
460 uint32_t size_cmask_FF;
461 uint32_t version;
462};
463
464/*qla4xxx ipaddress configuration details */
465struct ipaddress_config {
466 uint16_t ipv4_options;
467 uint16_t tcp_options;
468 uint16_t ipv4_vlan_tag;
469 uint8_t ipv4_addr_state;
470 uint8_t ip_address[IP_ADDR_LEN];
471 uint8_t subnet_mask[IP_ADDR_LEN];
472 uint8_t gateway[IP_ADDR_LEN];
473 uint32_t ipv6_options;
474 uint32_t ipv6_addl_options;
475 uint8_t ipv6_link_local_state;
476 uint8_t ipv6_addr0_state;
477 uint8_t ipv6_addr1_state;
478 uint8_t ipv6_default_router_state;
479 uint16_t ipv6_vlan_tag;
480 struct in6_addr ipv6_link_local_addr;
481 struct in6_addr ipv6_addr0;
482 struct in6_addr ipv6_addr1;
483 struct in6_addr ipv6_default_router_addr;
484 uint16_t eth_mtu_size;
485 uint16_t ipv4_port;
486 uint16_t ipv6_port;
487 uint8_t control;
488 uint16_t ipv6_tcp_options;
489 uint8_t tcp_wsf;
490 uint8_t ipv6_tcp_wsf;
491 uint8_t ipv4_tos;
492 uint8_t ipv4_cache_id;
493 uint8_t ipv6_cache_id;
494 uint8_t ipv4_alt_cid_len;
495 uint8_t ipv4_alt_cid[11];
496 uint8_t ipv4_vid_len;
497 uint8_t ipv4_vid[11];
498 uint8_t ipv4_ttl;
499 uint16_t ipv6_flow_lbl;
500 uint8_t ipv6_traffic_class;
501 uint8_t ipv6_hop_limit;
502 uint32_t ipv6_nd_reach_time;
503 uint32_t ipv6_nd_rexmit_timer;
504 uint32_t ipv6_nd_stale_timeout;
505 uint8_t ipv6_dup_addr_detect_count;
506 uint32_t ipv6_gw_advrt_mtu;
507 uint16_t def_timeout;
508 uint8_t abort_timer;
509 uint16_t iscsi_options;
510 uint16_t iscsi_max_pdu_size;
511 uint16_t iscsi_first_burst_len;
512 uint16_t iscsi_max_outstnd_r2t;
513 uint16_t iscsi_max_burst_len;
514 uint8_t iscsi_name[224];
515};
516
517#define QL4_CHAP_MAX_NAME_LEN 256
518#define QL4_CHAP_MAX_SECRET_LEN 100
519#define LOCAL_CHAP 0
520#define BIDI_CHAP 1
521
522struct ql4_chap_format {
523 u8 intr_chap_name[QL4_CHAP_MAX_NAME_LEN];
524 u8 intr_secret[QL4_CHAP_MAX_SECRET_LEN];
525 u8 target_chap_name[QL4_CHAP_MAX_NAME_LEN];
526 u8 target_secret[QL4_CHAP_MAX_SECRET_LEN];
527 u16 intr_chap_name_length;
528 u16 intr_secret_length;
529 u16 target_chap_name_length;
530 u16 target_secret_length;
531};
532
533struct ip_address_format {
534 u8 ip_type;
535 u8 ip_address[16];
536};
537
538struct ql4_conn_info {
539 u16 dest_port;
540 struct ip_address_format dest_ipaddr;
541 struct ql4_chap_format chap;
542};
543
544struct ql4_boot_session_info {
545 u8 target_name[224];
546 struct ql4_conn_info conn_list[1];
547};
548
549struct ql4_boot_tgt_info {
550 struct ql4_boot_session_info boot_pri_sess;
551 struct ql4_boot_session_info boot_sec_sess;
552};
553
554/*
555 * Linux Host Adapter structure
556 */
557struct scsi_qla_host {
558 /* Linux adapter configuration data */
559 unsigned long flags;
560
561#define AF_ONLINE 0 /* 0x00000001 */
562#define AF_INIT_DONE 1 /* 0x00000002 */
563#define AF_MBOX_COMMAND 2 /* 0x00000004 */
564#define AF_MBOX_COMMAND_DONE 3 /* 0x00000008 */
565#define AF_ST_DISCOVERY_IN_PROGRESS 4 /* 0x00000010 */
566#define AF_INTERRUPTS_ON 6 /* 0x00000040 */
567#define AF_GET_CRASH_RECORD 7 /* 0x00000080 */
568#define AF_LINK_UP 8 /* 0x00000100 */
569#define AF_LOOPBACK 9 /* 0x00000200 */
570#define AF_IRQ_ATTACHED 10 /* 0x00000400 */
571#define AF_DISABLE_ACB_COMPLETE 11 /* 0x00000800 */
572#define AF_HA_REMOVAL 12 /* 0x00001000 */
573#define AF_MBOX_COMMAND_NOPOLL 18 /* 0x00040000 */
574#define AF_FW_RECOVERY 19 /* 0x00080000 */
575#define AF_EEH_BUSY 20 /* 0x00100000 */
576#define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */
577#define AF_BUILD_DDB_LIST 22 /* 0x00400000 */
578#define AF_82XX_FW_DUMPED 24 /* 0x01000000 */
579#define AF_8XXX_RST_OWNER 25 /* 0x02000000 */
580#define AF_82XX_DUMP_READING 26 /* 0x04000000 */
581#define AF_83XX_IOCB_INTR_ON 28 /* 0x10000000 */
582#define AF_83XX_MBOX_INTR_ON 29 /* 0x20000000 */
583
584 unsigned long dpc_flags;
585
586#define DPC_RESET_HA 1 /* 0x00000002 */
587#define DPC_RETRY_RESET_HA 2 /* 0x00000004 */
588#define DPC_RELOGIN_DEVICE 3 /* 0x00000008 */
589#define DPC_RESET_HA_FW_CONTEXT 4 /* 0x00000010 */
590#define DPC_RESET_HA_INTR 5 /* 0x00000020 */
591#define DPC_ISNS_RESTART 7 /* 0x00000080 */
592#define DPC_AEN 9 /* 0x00000200 */
593#define DPC_GET_DHCP_IP_ADDR 15 /* 0x00008000 */
594#define DPC_LINK_CHANGED 18 /* 0x00040000 */
595#define DPC_RESET_ACTIVE 20 /* 0x00100000 */
596#define DPC_HA_UNRECOVERABLE 21 /* 0x00200000 ISP-82xx only*/
597#define DPC_HA_NEED_QUIESCENT 22 /* 0x00400000 ISP-82xx only*/
598#define DPC_POST_IDC_ACK 23 /* 0x00800000 */
599#define DPC_RESTORE_ACB 24 /* 0x01000000 */
600#define DPC_SYSFS_DDB_EXPORT 25 /* 0x02000000 */
601
602 struct Scsi_Host *host; /* pointer to host data */
603 uint32_t tot_ddbs;
604
605 uint16_t iocb_cnt;
606 uint16_t iocb_hiwat;
607
608 /* SRB cache. */
609#define SRB_MIN_REQ 128
610 mempool_t *srb_mempool;
611
612 /* pci information */
613 struct pci_dev *pdev;
614
615 struct isp_reg __iomem *reg; /* Base I/O address */
616 unsigned long pio_address;
617 unsigned long pio_length;
618#define MIN_IOBASE_LEN 0x100
619
620 uint16_t req_q_count;
621
622 unsigned long host_no;
623
624 /* NVRAM registers */
625 struct eeprom_data *nvram;
626 spinlock_t hardware_lock ____cacheline_aligned;
627 uint32_t eeprom_cmd_data;
628
629 /* Counters for general statistics */
630 uint64_t isr_count;
631 uint64_t adapter_error_count;
632 uint64_t device_error_count;
633 uint64_t total_io_count;
634 uint64_t total_mbytes_xferred;
635 uint64_t link_failure_count;
636 uint64_t invalid_crc_count;
637 uint32_t bytes_xfered;
638 uint32_t spurious_int_count;
639 uint32_t aborted_io_count;
640 uint32_t io_timeout_count;
641 uint32_t mailbox_timeout_count;
642 uint32_t seconds_since_last_intr;
643 uint32_t seconds_since_last_heartbeat;
644 uint32_t mac_index;
645
646 /* Info Needed for Management App */
647 /* --- From GetFwVersion --- */
648 uint32_t firmware_version[2];
649 uint32_t patch_number;
650 uint32_t build_number;
651 uint32_t board_id;
652
653 /* --- From Init_FW --- */
654 /* init_cb_t *init_cb; */
655 uint16_t firmware_options;
656 uint8_t alias[32];
657 uint8_t name_string[256];
658 uint8_t heartbeat_interval;
659
660 /* --- From FlashSysInfo --- */
661 uint8_t my_mac[MAC_ADDR_LEN];
662 uint8_t serial_number[16];
663 uint16_t port_num;
664 /* --- From GetFwState --- */
665 uint32_t firmware_state;
666 uint32_t addl_fw_state;
667
668 /* Linux kernel thread */
669 struct workqueue_struct *dpc_thread;
670 struct work_struct dpc_work;
671
672 /* Linux timer thread */
673 struct timer_list timer;
674 uint32_t timer_active;
675
676 /* Recovery Timers */
677 atomic_t check_relogin_timeouts;
678 uint32_t retry_reset_ha_cnt;
679 uint32_t isp_reset_timer; /* reset test timer */
680 uint32_t nic_reset_timer; /* simulated nic reset test timer */
681 int eh_start;
682 struct list_head free_srb_q;
683 uint16_t free_srb_q_count;
684 uint16_t num_srbs_allocated;
685
686 /* DMA Memory Block */
687 void *queues;
688 dma_addr_t queues_dma;
689 unsigned long queues_len;
690
691#define MEM_ALIGN_VALUE \
692 ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \
693 sizeof(struct queue_entry))
694 /* request and response queue variables */
695 dma_addr_t request_dma;
696 struct queue_entry *request_ring;
697 struct queue_entry *request_ptr;
698 dma_addr_t response_dma;
699 struct queue_entry *response_ring;
700 struct queue_entry *response_ptr;
701 dma_addr_t shadow_regs_dma;
702 struct shadow_regs *shadow_regs;
703 uint16_t request_in; /* Current indexes. */
704 uint16_t request_out;
705 uint16_t response_in;
706 uint16_t response_out;
707
708 /* aen queue variables */
709 uint16_t aen_q_count; /* Number of available aen_q entries */
710 uint16_t aen_in; /* Current indexes */
711 uint16_t aen_out;
712 struct aen aen_q[MAX_AEN_ENTRIES];
713
714 struct ql4_aen_log aen_log;/* tracks all aens */
715
716 /* This mutex protects several threads to do mailbox commands
717 * concurrently.
718 */
719 struct mutex mbox_sem;
720
721 /* temporary mailbox status registers */
722 volatile uint8_t mbox_status_count;
723 volatile uint32_t mbox_status[MBOX_REG_COUNT];
724
725 /* FW ddb index map */
726 struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
727
728 /* Saved srb for status continuation entry processing */
729 struct srb *status_srb;
730
731 uint8_t acb_version;
732
733 /* qla82xx specific fields */
734 struct device_reg_82xx __iomem *qla4_82xx_reg; /* Base I/O address */
735 unsigned long nx_pcibase; /* Base I/O address */
736 uint8_t *nx_db_rd_ptr; /* Doorbell read pointer */
737 unsigned long nx_db_wr_ptr; /* Door bell write pointer */
738 unsigned long first_page_group_start;
739 unsigned long first_page_group_end;
740
741 uint32_t crb_win;
742 uint32_t curr_window;
743 uint32_t ddr_mn_window;
744 unsigned long mn_win_crb;
745 unsigned long ms_win_crb;
746 int qdr_sn_window;
747 rwlock_t hw_lock;
748 uint16_t func_num;
749 int link_width;
750
751 struct qla4_8xxx_legacy_intr_set nx_legacy_intr;
752 u32 nx_crb_mask;
753
754 uint8_t revision_id;
755 uint32_t fw_heartbeat_counter;
756
757 struct isp_operations *isp_ops;
758 struct ql82xx_hw_data hw;
759
760 uint32_t nx_dev_init_timeout;
761 uint32_t nx_reset_timeout;
762 void *fw_dump;
763 uint32_t fw_dump_size;
764 uint32_t fw_dump_capture_mask;
765 void *fw_dump_tmplt_hdr;
766 uint32_t fw_dump_tmplt_size;
767 uint32_t fw_dump_skip_size;
768
769 struct completion mbx_intr_comp;
770
771 struct ipaddress_config ip_config;
772 struct iscsi_iface *iface_ipv4;
773 struct iscsi_iface *iface_ipv6_0;
774 struct iscsi_iface *iface_ipv6_1;
775
776 /* --- From About Firmware --- */
777 struct about_fw_info fw_info;
778 uint32_t fw_uptime_secs; /* seconds elapsed since fw bootup */
779 uint32_t fw_uptime_msecs; /* milliseconds beyond elapsed seconds */
780 uint16_t def_timeout; /* Default login timeout */
781
782 uint32_t flash_state;
783#define QLFLASH_WAITING 0
784#define QLFLASH_READING 1
785#define QLFLASH_WRITING 2
786 struct dma_pool *chap_dma_pool;
787 uint8_t *chap_list; /* CHAP table cache */
788 struct mutex chap_sem;
789
790#define CHAP_DMA_BLOCK_SIZE 512
791 struct workqueue_struct *task_wq;
792 unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
793#define SYSFS_FLAG_FW_SEL_BOOT 2
794 struct iscsi_boot_kset *boot_kset;
795 struct ql4_boot_tgt_info boot_tgt;
796 uint16_t phy_port_num;
797 uint16_t phy_port_cnt;
798 uint16_t iscsi_pci_func_cnt;
799 uint8_t model_name[16];
800 struct completion disable_acb_comp;
801 struct dma_pool *fw_ddb_dma_pool;
802#define DDB_DMA_BLOCK_SIZE 512
803 uint16_t pri_ddb_idx;
804 uint16_t sec_ddb_idx;
805 int is_reset;
806 uint16_t temperature;
807
808 /* event work list */
809 struct list_head work_list;
810 spinlock_t work_lock;
811
812 /* mbox iocb */
813#define MAX_MRB 128
814 struct mrb *active_mrb_array[MAX_MRB];
815 uint32_t mrb_index;
816
817 uint32_t *reg_tbl;
818 struct qla4_83xx_reset_template reset_tmplt;
819 struct device_reg_83xx __iomem *qla4_83xx_reg; /* Base I/O address
820 for ISP8324 and
821 and ISP8042 */
822 uint32_t pf_bit;
823 struct qla4_83xx_idc_information idc_info;
824 struct addr_ctrl_blk *saved_acb;
825 int notify_idc_comp;
826 int notify_link_up_comp;
827 int idc_extend_tmo;
828 struct completion idc_comp;
829 struct completion link_up_comp;
830};
831
832struct ql4_task_data {
833 struct scsi_qla_host *ha;
834 uint8_t iocb_req_cnt;
835 dma_addr_t data_dma;
836 void *req_buffer;
837 dma_addr_t req_dma;
838 uint32_t req_len;
839 void *resp_buffer;
840 dma_addr_t resp_dma;
841 uint32_t resp_len;
842 struct iscsi_task *task;
843 struct passthru_status sts;
844 struct work_struct task_work;
845};
846
847struct qla_endpoint {
848 struct Scsi_Host *host;
849 struct sockaddr_storage dst_addr;
850};
851
852struct qla_conn {
853 struct qla_endpoint *qla_ep;
854};
855
856static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
857{
858 return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0);
859}
860
861static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
862{
863 return ((ha->ip_config.ipv6_options &
864 IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
865}
866
867static inline int is_qla4010(struct scsi_qla_host *ha)
868{
869 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
870}
871
872static inline int is_qla4022(struct scsi_qla_host *ha)
873{
874 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
875}
876
877static inline int is_qla4032(struct scsi_qla_host *ha)
878{
879 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
880}
881
882static inline int is_qla40XX(struct scsi_qla_host *ha)
883{
884 return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha);
885}
886
887static inline int is_qla8022(struct scsi_qla_host *ha)
888{
889 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
890}
891
892static inline int is_qla8032(struct scsi_qla_host *ha)
893{
894 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324;
895}
896
897static inline int is_qla8042(struct scsi_qla_host *ha)
898{
899 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042;
900}
901
902static inline int is_qla80XX(struct scsi_qla_host *ha)
903{
904 return is_qla8022(ha) || is_qla8032(ha) || is_qla8042(ha);
905}
906
907static inline int is_aer_supported(struct scsi_qla_host *ha)
908{
909 return ((ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022) ||
910 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324) ||
911 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042));
912}
913
914static inline int adapter_up(struct scsi_qla_host *ha)
915{
916 return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
917 (test_bit(AF_LINK_UP, &ha->flags) != 0) &&
918 (!test_bit(AF_LOOPBACK, &ha->flags));
919}
920
921static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
922{
923 return (struct scsi_qla_host *)iscsi_host_priv(shost);
924}
925
926static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
927{
928 return (is_qla4010(ha) ?
929 &ha->reg->u1.isp4010.nvram :
930 &ha->reg->u1.isp4022.semaphore);
931}
932
933static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
934{
935 return (is_qla4010(ha) ?
936 &ha->reg->u1.isp4010.nvram :
937 &ha->reg->u1.isp4022.nvram);
938}
939
940static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
941{
942 return (is_qla4010(ha) ?
943 &ha->reg->u2.isp4010.ext_hw_conf :
944 &ha->reg->u2.isp4022.p0.ext_hw_conf);
945}
946
947static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
948{
949 return (is_qla4010(ha) ?
950 &ha->reg->u2.isp4010.port_status :
951 &ha->reg->u2.isp4022.p0.port_status);
952}
953
954static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
955{
956 return (is_qla4010(ha) ?
957 &ha->reg->u2.isp4010.port_ctrl :
958 &ha->reg->u2.isp4022.p0.port_ctrl);
959}
960
961static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
962{
963 return (is_qla4010(ha) ?
964 &ha->reg->u2.isp4010.port_err_status :
965 &ha->reg->u2.isp4022.p0.port_err_status);
966}
967
968static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
969{
970 return (is_qla4010(ha) ?
971 &ha->reg->u2.isp4010.gp_out :
972 &ha->reg->u2.isp4022.p0.gp_out);
973}
974
975static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
976{
977 return (is_qla4010(ha) ?
978 offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
979 offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
980}
981
982int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
983void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask);
984int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
985
986static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
987{
988 if (is_qla4010(ha: a))
989 return ql4xxx_sem_spinlock(ha: a, QL4010_FLASH_SEM_MASK,
990 QL4010_FLASH_SEM_BITS);
991 else
992 return ql4xxx_sem_spinlock(ha: a, QL4022_FLASH_SEM_MASK,
993 sem_bits: (QL4022_RESOURCE_BITS_BASE_CODE |
994 (a->mac_index)) << 13);
995}
996
997static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
998{
999 if (is_qla4010(ha: a))
1000 ql4xxx_sem_unlock(ha: a, QL4010_FLASH_SEM_MASK);
1001 else
1002 ql4xxx_sem_unlock(ha: a, QL4022_FLASH_SEM_MASK);
1003}
1004
1005static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
1006{
1007 if (is_qla4010(ha: a))
1008 return ql4xxx_sem_spinlock(ha: a, QL4010_NVRAM_SEM_MASK,
1009 QL4010_NVRAM_SEM_BITS);
1010 else
1011 return ql4xxx_sem_spinlock(ha: a, QL4022_NVRAM_SEM_MASK,
1012 sem_bits: (QL4022_RESOURCE_BITS_BASE_CODE |
1013 (a->mac_index)) << 10);
1014}
1015
1016static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
1017{
1018 if (is_qla4010(ha: a))
1019 ql4xxx_sem_unlock(ha: a, QL4010_NVRAM_SEM_MASK);
1020 else
1021 ql4xxx_sem_unlock(ha: a, QL4022_NVRAM_SEM_MASK);
1022}
1023
1024static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
1025{
1026 if (is_qla4010(ha: a))
1027 return ql4xxx_sem_lock(ha: a, QL4010_DRVR_SEM_MASK,
1028 QL4010_DRVR_SEM_BITS);
1029 else
1030 return ql4xxx_sem_lock(ha: a, QL4022_DRVR_SEM_MASK,
1031 sem_bits: (QL4022_RESOURCE_BITS_BASE_CODE |
1032 (a->mac_index)) << 1);
1033}
1034
1035static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
1036{
1037 if (is_qla4010(ha: a))
1038 ql4xxx_sem_unlock(ha: a, QL4010_DRVR_SEM_MASK);
1039 else
1040 ql4xxx_sem_unlock(ha: a, QL4022_DRVR_SEM_MASK);
1041}
1042
1043static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
1044{
1045 return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
1046 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
1047 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
1048 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
1049 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
1050 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
1051
1052}
1053
1054static inline int qla4_8xxx_rd_direct(struct scsi_qla_host *ha,
1055 const uint32_t crb_reg)
1056{
1057 return ha->isp_ops->rd_reg_direct(ha, ha->reg_tbl[crb_reg]);
1058}
1059
1060static inline void qla4_8xxx_wr_direct(struct scsi_qla_host *ha,
1061 const uint32_t crb_reg,
1062 const uint32_t value)
1063{
1064 ha->isp_ops->wr_reg_direct(ha, ha->reg_tbl[crb_reg], value);
1065}
1066
1067/*---------------------------------------------------------------------------*/
1068
1069/* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
1070
1071#define INIT_ADAPTER 0
1072#define RESET_ADAPTER 1
1073
1074#define PRESERVE_DDB_LIST 0
1075#define REBUILD_DDB_LIST 1
1076
1077/* Defines for process_aen() */
1078#define PROCESS_ALL_AENS 0
1079#define FLUSH_DDB_CHANGED_AENS 1
1080
1081/* Defines for udev events */
1082#define QL4_UEVENT_CODE_FW_DUMP 0
1083
1084#endif /*_QLA4XXX_H */
1085

source code of linux/drivers/scsi/qla4xxx/ql4_def.h