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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
[linux-2.6-block.git] / drivers / scsi / qla4xxx / ql4_def.h
CommitLineData
afaf5a2d
DS		 1/*
2 * QLogic iSCSI HBA Driver
4a4f51e9 3 * Copyright (c) 2003-2013 QLogic Corporation
afaf5a2d
DS		 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>
a355943c 28#include <linux/bsg-lib.h>
c6bfda8d 29#include <linux/vmalloc.h>
afaf5a2d
DS		 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>
a355943c
VC		 38#include <scsi/scsi_bsg_iscsi.h>
39#include <scsi/scsi_netlink.h>
b3a271a9 40#include <scsi/libiscsi.h>
afaf5a2d 41
f4f5df23
VC		 42#include "ql4_dbg.h"
43#include "ql4_nx.h"
b3a271a9
MR		 44#include "ql4_fw.h"
45#include "ql4_nvram.h"
6e7b4292 46#include "ql4_83xx.h"
afaf5a2d
DS		 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
d915058f
DS		 54#endif
55
56#ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
57#define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032
58#endif
afaf5a2d 59
f4f5df23
VC		 60#ifndef PCI_DEVICE_ID_QLOGIC_ISP8022
61#define PCI_DEVICE_ID_QLOGIC_ISP8022 0x8022
62#endif
63
6e7b4292
VC		 64#ifndef PCI_DEVICE_ID_QLOGIC_ISP8324
65#define PCI_DEVICE_ID_QLOGIC_ISP8324 0x8032
66#endif
67
b37ca418
VC		 68#ifndef PCI_DEVICE_ID_QLOGIC_ISP8042
69#define PCI_DEVICE_ID_QLOGIC_ISP8042 0x8042
70#endif
71
7eece5a0
KH		 72#define ISP4XXX_PCI_FN_1 0x1
73#define ISP4XXX_PCI_FN_2 0x3
74
afaf5a2d
DS		 75#define QLA_SUCCESS 0
76#define QLA_ERROR 1
df86f771 77#define STATUS(status) status == QLA_ERROR ? "FAILED" : "SUCCEEDED"
afaf5a2d
DS		 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
f4f5df23
VC		 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
afaf5a2d
DS		 122/*
123 * Host adapter default definitions
124 ***********************************/
125#define MAX_HBAS 16
126#define MAX_BUSES 1
f4f5df23 127#define MAX_TARGETS MAX_DEV_DB_ENTRIES
afaf5a2d 128#define MAX_LUNS 0xffff
b3a271a9 129#define MAX_AEN_ENTRIES MAX_DEV_DB_ENTRIES
f4f5df23 130#define MAX_DDB_ENTRIES MAX_DEV_DB_ENTRIES
afaf5a2d
DS		 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
185f107e 135#define MBOX_AEN_REG_COUNT 8
afaf5a2d 136#define MAX_INIT_RETRIES 5
afaf5a2d
DS		 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
5b1c1bff 145#define IOCB_HIWAT_CUSHION 4
afaf5a2d
DS		 146
147/*
148 * Misc
149 */
150#define MAC_ADDR_LEN 6 /* in bytes */
151#define IP_ADDR_LEN 4 /* in bytes */
2a49a78e 152#define IPv6_ADDR_LEN 16 /* IPv6 address size */
afaf5a2d
DS		 153#define DRIVER_NAME "qla4xxx"
154
155#define MAX_LINKED_CMDS_PER_LUN 3
dbaf82ec 156#define MAX_REQS_SERVICED_PER_INTR 1
afaf5a2d
DS		 157
158#define ISCSI_IPADDR_SIZE 4 /* IP address size */
b1c11812 159#define ISCSI_ALIAS_SIZE 32 /* ISCSI Alias name size */
5c8bfc94 160#define ISCSI_NAME_SIZE 0xE0 /* ISCSI Name size */
afaf5a2d 161
13483730 162#define QL4_SESS_RECOVERY_TMO 120 /* iSCSI session */
3013cea8
VC		 163 /* recovery timeout */
164
afaf5a2d
DS		 165#define LSDW(x) ((u32)((u64)(x)))
166#define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
167
1e9e2be3
AC		 168#define DEV_DB_NON_PERSISTENT 0
169#define DEV_DB_PERSISTENT 1
170
1bc5ad3a
MR		 171#define QL4_ISP_REG_DISCONNECT 0xffffffffU
172
1e9e2be3
AC		 173#define COPY_ISID(dst_isid, src_isid) { \
174 int i, j; \
175 for (i = 0, j = ISID_SIZE - 1; i < ISID_SIZE;) \
176 dst_isid[i++] = src_isid[j--]; \
177}
178
179#define SET_BITVAL(o, n, v) { \
180 if (o) \
181 n |= v; \
182 else \
183 n &= ~v; \
184}
185
f8e93412
HZ		 186#define OP_STATE(o, f, p) { \
187 p = (o & f) ? "enable" : "disable"; \
188}
189
afaf5a2d
DS		 190/*
191 * Retry & Timeout Values
192 */
193#define MBOX_TOV 60
194#define SOFT_RESET_TOV 30
195#define RESET_INTR_TOV 3
196#define SEMAPHORE_TOV 10
f4f5df23 197#define ADAPTER_INIT_TOV 30
afaf5a2d
DS		 198#define ADAPTER_RESET_TOV 180
199#define EXTEND_CMD_TOV 60
61d9a2b6 200#define WAIT_CMD_TOV 5
afaf5a2d
DS		 201#define EH_WAIT_CMD_TOV 120
202#define FIRMWARE_UP_TOV 60
203#define RESET_FIRMWARE_TOV 30
204#define LOGOUT_TOV 10
205#define IOCB_TOV_MARGIN 10
206#define RELOGIN_TOV 18
207#define ISNS_DEREG_TOV 5
f581a3f7 208#define HBA_ONLINE_TOV 30
95d31262 209#define DISABLE_ACB_TOV 30
13483730
MC		 210#define IP_CONFIG_TOV 30
211#define LOGIN_TOV 12
1dc8ed5d 212#define BOOT_LOGIN_RESP_TOV 60
afaf5a2d
DS		 213
214#define MAX_RESET_HA_RETRIES 2
9ee91a38 215#define FW_ALIVE_WAIT_TOV 3
7ab284c9 216#define IDC_EXTEND_TOV 8
df86f771
VC		 217#define IDC_COMP_TOV 5
218#define LINK_UP_COMP_TOV 30
afaf5a2d 219
5369887a
VC		 220#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr)
221
afaf5a2d
DS		 222/*
223 * SCSI Request Block structure (srb) that is placed
224 * on cmd->SCp location of every I/O [We have 22 bytes available]
225 */
226struct srb {
227 struct list_head list; /* (8) */
228 struct scsi_qla_host *ha; /* HA the SP is queued on */
6790d4fe 229 struct ddb_entry *ddb;
afaf5a2d
DS		 230 uint16_t flags; /* (1) Status flags. */
231
232#define SRB_DMA_VALID BIT_3 /* DMA Buffer mapped. */
25985edc 233#define SRB_GOT_SENSE BIT_4 /* sense data received. */
afaf5a2d
DS		 234 uint8_t state; /* (1) Status flags. */
235
236#define SRB_NO_QUEUE_STATE 0 /* Request is in between states */
237#define SRB_FREE_STATE 1
238#define SRB_ACTIVE_STATE 3
239#define SRB_ACTIVE_TIMEOUT_STATE 4
240#define SRB_SUSPENDED_STATE 7 /* Request in suspended state */
241
242 struct scsi_cmnd *cmd; /* (4) SCSI command block */
243 dma_addr_t dma_handle; /* (4) for unmap of single transfers */
09a0f719 244 struct kref srb_ref; /* reference count for this srb */
afaf5a2d
DS		 245 uint8_t err_id; /* error id */
246#define SRB_ERR_PORT 1 /* Request failed because "port down" */
247#define SRB_ERR_LOOP 2 /* Request failed because "loop down" */
248#define SRB_ERR_DEVICE 3 /* Request failed because "device error" */
249#define SRB_ERR_OTHER 4
250
251 uint16_t reserved;
252 uint16_t iocb_tov;
253 uint16_t iocb_cnt; /* Number of used iocbs */
254 uint16_t cc_stat;
94bced3c
KH		 255
256 /* Used for extended sense / status continuation */
257 uint8_t *req_sense_ptr;
258 uint16_t req_sense_len;
259 uint16_t reserved2;
afaf5a2d
DS		 260};
261
c0b9d3f7
VC		 262/* Mailbox request block structure */
263struct mrb {
264 struct scsi_qla_host *ha;
265 struct mbox_cmd_iocb *mbox;
266 uint32_t mbox_cmd;
267 uint16_t iocb_cnt; /* Number of used iocbs */
268 uint32_t pid;
269};
270
5c8bfc94
DS		 271/*
272 * Asynchronous Event Queue structure
273 */
274struct aen {
275 uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
276};
277
278struct ql4_aen_log {
279 int count;
280 struct aen entry[MAX_AEN_ENTRIES];
281};
282
283/*
284 * Device Database (DDB) structure
285 */
afaf5a2d 286struct ddb_entry {
afaf5a2d
DS		 287 struct scsi_qla_host *ha;
288 struct iscsi_cls_session *sess;
289 struct iscsi_cls_conn *conn;
290
afaf5a2d 291 uint16_t fw_ddb_index; /* DDB firmware index */
afaf5a2d 292 uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */
13483730
MC		 293 uint16_t ddb_type;
294#define FLASH_DDB 0x01
295
296 struct dev_db_entry fw_ddb_entry;
297 int (*unblock_sess)(struct iscsi_cls_session *cls_session);
298 int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
299 struct ddb_entry *ddb_entry, uint32_t state);
300
301 /* Driver Re-login */
302 unsigned long flags; /* DDB Flags */
de2efea6
NJ		 303#define DDB_CONN_CLOSE_FAILURE 0 /* 0x00000001 */
304
13483730
MC		 305 uint16_t default_relogin_timeout; /* Max time to wait for
306 * relogin to complete */
307 atomic_t retry_relogin_timer; /* Min Time between relogins
308 * (4000 only) */
309 atomic_t relogin_timer; /* Max Time to wait for
310 * relogin to complete */
311 atomic_t relogin_retry_count; /* Num of times relogin has been
312 * retried */
313 uint32_t default_time2wait; /* Default Min time between
314 * relogins (+aens) */
376738af 315 uint16_t chap_tbl_idx;
13483730
MC		 316};
317
318struct qla_ddb_index {
319 struct list_head list;
320 uint16_t fw_ddb_idx;
ad8bd45e 321 uint16_t flash_ddb_idx;
13483730 322 struct dev_db_entry fw_ddb;
1cb78d73 323 uint8_t flash_isid[6];
13483730
MC		 324};
325
326#define DDB_IPADDR_LEN 64
327
328struct ql4_tuple_ddb {
329 int port;
330 int tpgt;
331 char ip_addr[DDB_IPADDR_LEN];
332 char iscsi_name[ISCSI_NAME_SIZE];
333 uint16_t options;
334#define DDB_OPT_IPV6 0x0e0e
335#define DDB_OPT_IPV4 0x0f0f
173269ef 336 uint8_t isid[6];
afaf5a2d
DS		 337};
338
339/*
340 * DDB states.
341 */
342#define DDB_STATE_DEAD 0 /* We can no longer talk to
343 * this device */
344#define DDB_STATE_ONLINE 1 /* Device ready to accept
345 * commands */
346#define DDB_STATE_MISSING 2 /* Device logged off, trying
347 * to re-login */
348
349/*
350 * DDB flags.
351 */
352#define DF_RELOGIN 0 /* Relogin to device */
1dc8ed5d 353#define DF_BOOT_TGT 1 /* Boot target entry */
afaf5a2d
DS		 354#define DF_ISNS_DISCOVERED 2 /* Device was discovered via iSNS */
355#define DF_FO_MASKED 3
99c6a33b 356#define DF_DISABLE_RELOGIN 4 /* Disable relogin to device */
afaf5a2d 357
ff884430
VC		 358enum qla4_work_type {
359 QLA4_EVENT_AEN,
c0b9d3f7 360 QLA4_EVENT_PING_STATUS,
ff884430 361};
afaf5a2d 362
ff884430
VC		 363struct qla4_work_evt {
364 struct list_head list;
365 enum qla4_work_type type;
366 union {
367 struct {
368 enum iscsi_host_event_code code;
369 uint32_t data_size;
370 uint8_t data[0];
371 } aen;
c0b9d3f7
VC		 372 struct {
373 uint32_t status;
374 uint32_t pid;
375 uint32_t data_size;
376 uint8_t data[0];
377 } ping;
ff884430
VC		 378 } u;
379};
afaf5a2d 380
f4f5df23
VC		 381struct ql82xx_hw_data {
382 /* Offsets for flash/nvram access (set to ~0 if not used). */
383 uint32_t flash_conf_off;
384 uint32_t flash_data_off;
385
386 uint32_t fdt_wrt_disable;
387 uint32_t fdt_erase_cmd;
388 uint32_t fdt_block_size;
389 uint32_t fdt_unprotect_sec_cmd;
390 uint32_t fdt_protect_sec_cmd;
391
392 uint32_t flt_region_flt;
393 uint32_t flt_region_fdt;
394 uint32_t flt_region_boot;
395 uint32_t flt_region_bootload;
396 uint32_t flt_region_fw;
2a991c21
MR		 397
398 uint32_t flt_iscsi_param;
4549415a
LC		 399 uint32_t flt_region_chap;
400 uint32_t flt_chap_size;
1e9e2be3
AC		 401 uint32_t flt_region_ddb;
402 uint32_t flt_ddb_size;
f4f5df23
VC		 403};
404
405struct qla4_8xxx_legacy_intr_set {
406 uint32_t int_vec_bit;
407 uint32_t tgt_status_reg;
408 uint32_t tgt_mask_reg;
409 uint32_t pci_int_reg;
410};
411
412/* MSI-X Support */
f4f5df23 413#define QLA_MSIX_ENTRIES 2
f4f5df23
VC		 414
415/*
416 * ISP Operations
417 */
418struct isp_operations {
419 int (*iospace_config) (struct scsi_qla_host *ha);
420 void (*pci_config) (struct scsi_qla_host *);
421 void (*disable_intrs) (struct scsi_qla_host *);
422 void (*enable_intrs) (struct scsi_qla_host *);
423 int (*start_firmware) (struct scsi_qla_host *);
33693c7a 424 int (*restart_firmware) (struct scsi_qla_host *);
f4f5df23
VC		 425 irqreturn_t (*intr_handler) (int , void *);
426 void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
33693c7a 427 int (*need_reset) (struct scsi_qla_host *);
f4f5df23
VC		 428 int (*reset_chip) (struct scsi_qla_host *);
429 int (*reset_firmware) (struct scsi_qla_host *);
430 void (*queue_iocb) (struct scsi_qla_host *);
431 void (*complete_iocb) (struct scsi_qla_host *);
432 uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
433 uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
434 int (*get_sys_info) (struct scsi_qla_host *);
33693c7a
VC		 435 uint32_t (*rd_reg_direct) (struct scsi_qla_host *, ulong);
436 void (*wr_reg_direct) (struct scsi_qla_host *, ulong, uint32_t);
437 int (*rd_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t *);
438 int (*wr_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t);
439 int (*idc_lock) (struct scsi_qla_host *);
440 void (*idc_unlock) (struct scsi_qla_host *);
441 void (*rom_lock_recovery) (struct scsi_qla_host *);
442 void (*queue_mailbox_command) (struct scsi_qla_host *, uint32_t *, int);
443 void (*process_mailbox_interrupt) (struct scsi_qla_host *, int);
f4f5df23
VC		 444};
445
068237c8
TP		 446struct ql4_mdump_size_table {
447 uint32_t size;
448 uint32_t size_cmask_02;
449 uint32_t size_cmask_04;
450 uint32_t size_cmask_08;
451 uint32_t size_cmask_10;
452 uint32_t size_cmask_FF;
453 uint32_t version;
454};
455
2bab08fc
VC		 456/*qla4xxx ipaddress configuration details */
457struct ipaddress_config {
458 uint16_t ipv4_options;
459 uint16_t tcp_options;
460 uint16_t ipv4_vlan_tag;
461 uint8_t ipv4_addr_state;
462 uint8_t ip_address[IP_ADDR_LEN];
463 uint8_t subnet_mask[IP_ADDR_LEN];
464 uint8_t gateway[IP_ADDR_LEN];
465 uint32_t ipv6_options;
466 uint32_t ipv6_addl_options;
467 uint8_t ipv6_link_local_state;
468 uint8_t ipv6_addr0_state;
469 uint8_t ipv6_addr1_state;
470 uint8_t ipv6_default_router_state;
471 uint16_t ipv6_vlan_tag;
472 struct in6_addr ipv6_link_local_addr;
473 struct in6_addr ipv6_addr0;
474 struct in6_addr ipv6_addr1;
475 struct in6_addr ipv6_default_router_addr;
943c157b 476 uint16_t eth_mtu_size;
2ada7fc5
VC		 477 uint16_t ipv4_port;
478 uint16_t ipv6_port;
f8e93412
HZ		 479 uint8_t control;
480 uint16_t ipv6_tcp_options;
481 uint8_t tcp_wsf;
482 uint8_t ipv6_tcp_wsf;
483 uint8_t ipv4_tos;
484 uint8_t ipv4_cache_id;
485 uint8_t ipv6_cache_id;
486 uint8_t ipv4_alt_cid_len;
487 uint8_t ipv4_alt_cid[11];
488 uint8_t ipv4_vid_len;
489 uint8_t ipv4_vid[11];
490 uint8_t ipv4_ttl;
491 uint16_t ipv6_flow_lbl;
492 uint8_t ipv6_traffic_class;
493 uint8_t ipv6_hop_limit;
494 uint32_t ipv6_nd_reach_time;
495 uint32_t ipv6_nd_rexmit_timer;
496 uint32_t ipv6_nd_stale_timeout;
497 uint8_t ipv6_dup_addr_detect_count;
498 uint32_t ipv6_gw_advrt_mtu;
499 uint16_t def_timeout;
500 uint8_t abort_timer;
501 uint16_t iscsi_options;
502 uint16_t iscsi_max_pdu_size;
503 uint16_t iscsi_first_burst_len;
504 uint16_t iscsi_max_outstnd_r2t;
505 uint16_t iscsi_max_burst_len;
506 uint8_t iscsi_name[224];
2bab08fc
VC		 507};
508
2a991c21
MR		 509#define QL4_CHAP_MAX_NAME_LEN 256
510#define QL4_CHAP_MAX_SECRET_LEN 100
0854f665
LC		 511#define LOCAL_CHAP 0
512#define BIDI_CHAP 1
2a991c21
MR		 513
514struct ql4_chap_format {
515 u8 intr_chap_name[QL4_CHAP_MAX_NAME_LEN];
516 u8 intr_secret[QL4_CHAP_MAX_SECRET_LEN];
517 u8 target_chap_name[QL4_CHAP_MAX_NAME_LEN];
518 u8 target_secret[QL4_CHAP_MAX_SECRET_LEN];
519 u16 intr_chap_name_length;
520 u16 intr_secret_length;
521 u16 target_chap_name_length;
522 u16 target_secret_length;
523};
524
525struct ip_address_format {
526 u8 ip_type;
527 u8 ip_address[16];
528};
529
530struct ql4_conn_info {
531 u16 dest_port;
532 struct ip_address_format dest_ipaddr;
533 struct ql4_chap_format chap;
534};
535
536struct ql4_boot_session_info {
537 u8 target_name[224];
538 struct ql4_conn_info conn_list[1];
539};
540
541struct ql4_boot_tgt_info {
542 struct ql4_boot_session_info boot_pri_sess;
543 struct ql4_boot_session_info boot_sec_sess;
544};
545
afaf5a2d
DS		 546/*
547 * Linux Host Adapter structure
548 */
549struct scsi_qla_host {
550 /* Linux adapter configuration data */
afaf5a2d
DS		 551 unsigned long flags;
552
5c8bfc94
DS		 553#define AF_ONLINE 0 /* 0x00000001 */
554#define AF_INIT_DONE 1 /* 0x00000002 */
555#define AF_MBOX_COMMAND 2 /* 0x00000004 */
556#define AF_MBOX_COMMAND_DONE 3 /* 0x00000008 */
1e9e2be3 557#define AF_ST_DISCOVERY_IN_PROGRESS 4 /* 0x00000010 */
5c8bfc94
DS		 558#define AF_INTERRUPTS_ON 6 /* 0x00000040 */
559#define AF_GET_CRASH_RECORD 7 /* 0x00000080 */
560#define AF_LINK_UP 8 /* 0x00000100 */
026fbd3a 561#define AF_LOOPBACK 9 /* 0x00000200 */
5c8bfc94
DS		 562#define AF_IRQ_ATTACHED 10 /* 0x00000400 */
563#define AF_DISABLE_ACB_COMPLETE 11 /* 0x00000800 */
7eece5a0 564#define AF_HA_REMOVAL 12 /* 0x00001000 */
f4f5df23 565#define AF_MBOX_COMMAND_NOPOLL 18 /* 0x00040000 */
21033639 566#define AF_FW_RECOVERY 19 /* 0x00080000 */
2232be0d
LC		 567#define AF_EEH_BUSY 20 /* 0x00100000 */
568#define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */
13483730 569#define AF_BUILD_DDB_LIST 22 /* 0x00400000 */
068237c8 570#define AF_82XX_FW_DUMPED 24 /* 0x01000000 */
de8c72da 571#define AF_8XXX_RST_OWNER 25 /* 0x02000000 */
068237c8 572#define AF_82XX_DUMP_READING 26 /* 0x04000000 */
5c19b92a
VC		 573#define AF_83XX_IOCB_INTR_ON 28 /* 0x10000000 */
574#define AF_83XX_MBOX_INTR_ON 29 /* 0x20000000 */
068237c8 575
afaf5a2d
DS		 576 unsigned long dpc_flags;
577
5c8bfc94
DS		 578#define DPC_RESET_HA 1 /* 0x00000002 */
579#define DPC_RETRY_RESET_HA 2 /* 0x00000004 */
580#define DPC_RELOGIN_DEVICE 3 /* 0x00000008 */
f4f5df23 581#define DPC_RESET_HA_FW_CONTEXT 4 /* 0x00000010 */
5c8bfc94
DS		 582#define DPC_RESET_HA_INTR 5 /* 0x00000020 */
583#define DPC_ISNS_RESTART 7 /* 0x00000080 */
584#define DPC_AEN 9 /* 0x00000200 */
585#define DPC_GET_DHCP_IP_ADDR 15 /* 0x00008000 */
065aa1b4 586#define DPC_LINK_CHANGED 18 /* 0x00040000 */
c4e3c368
VC		 587#define DPC_RESET_ACTIVE 20 /* 0x00100000 */
588#define DPC_HA_UNRECOVERABLE 21 /* 0x00200000 ISP-82xx only*/
589#define DPC_HA_NEED_QUIESCENT 22 /* 0x00400000 ISP-82xx only*/
590#define DPC_POST_IDC_ACK 23 /* 0x00800000 */
7ab284c9 591#define DPC_RESTORE_ACB 24 /* 0x01000000 */
906cbf3d 592#define DPC_SYSFS_DDB_EXPORT 25 /* 0x02000000 */
5c8bfc94
DS		 593
594 struct Scsi_Host *host; /* pointer to host data */
595 uint32_t tot_ddbs;
afaf5a2d 596
f4f5df23 597 uint16_t iocb_cnt;
5b1c1bff 598 uint16_t iocb_hiwat;
afaf5a2d
DS		 599
600 /* SRB cache. */
601#define SRB_MIN_REQ 128
602 mempool_t *srb_mempool;
603
604 /* pci information */
605 struct pci_dev *pdev;
606
607 struct isp_reg __iomem *reg; /* Base I/O address */
608 unsigned long pio_address;
609 unsigned long pio_length;
610#define MIN_IOBASE_LEN 0x100
611
612 uint16_t req_q_count;
afaf5a2d
DS		 613
614 unsigned long host_no;
615
616 /* NVRAM registers */
617 struct eeprom_data *nvram;
618 spinlock_t hardware_lock ____cacheline_aligned;
f4f5df23 619 uint32_t eeprom_cmd_data;
afaf5a2d
DS		 620
621 /* Counters for general statistics */
d915058f 622 uint64_t isr_count;
afaf5a2d
DS		 623 uint64_t adapter_error_count;
624 uint64_t device_error_count;
625 uint64_t total_io_count;
626 uint64_t total_mbytes_xferred;
627 uint64_t link_failure_count;
628 uint64_t invalid_crc_count;
d915058f 629 uint32_t bytes_xfered;
afaf5a2d
DS		 630 uint32_t spurious_int_count;
631 uint32_t aborted_io_count;
632 uint32_t io_timeout_count;
633 uint32_t mailbox_timeout_count;
634 uint32_t seconds_since_last_intr;
635 uint32_t seconds_since_last_heartbeat;
636 uint32_t mac_index;
637
638 /* Info Needed for Management App */
639 /* --- From GetFwVersion --- */
640 uint32_t firmware_version[2];
641 uint32_t patch_number;
642 uint32_t build_number;
5c8bfc94 643 uint32_t board_id;
afaf5a2d
DS		 644
645 /* --- From Init_FW --- */
646 /* init_cb_t *init_cb; */
647 uint16_t firmware_options;
afaf5a2d
DS		 648 uint8_t alias[32];
649 uint8_t name_string[256];
650 uint8_t heartbeat_interval;
afaf5a2d
DS		 651
652 /* --- From FlashSysInfo --- */
653 uint8_t my_mac[MAC_ADDR_LEN];
654 uint8_t serial_number[16];
2a991c21 655 uint16_t port_num;
afaf5a2d
DS		 656 /* --- From GetFwState --- */
657 uint32_t firmware_state;
afaf5a2d
DS		 658 uint32_t addl_fw_state;
659
660 /* Linux kernel thread */
661 struct workqueue_struct *dpc_thread;
662 struct work_struct dpc_work;
663
664 /* Linux timer thread */
665 struct timer_list timer;
666 uint32_t timer_active;
667
668 /* Recovery Timers */
afaf5a2d
DS		 669 atomic_t check_relogin_timeouts;
670 uint32_t retry_reset_ha_cnt;
671 uint32_t isp_reset_timer; /* reset test timer */
672 uint32_t nic_reset_timer; /* simulated nic reset test timer */
673 int eh_start;
674 struct list_head free_srb_q;
675 uint16_t free_srb_q_count;
676 uint16_t num_srbs_allocated;
677
678 /* DMA Memory Block */
679 void *queues;
680 dma_addr_t queues_dma;
681 unsigned long queues_len;
682
683#define MEM_ALIGN_VALUE \
684 ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \
685 sizeof(struct queue_entry))
686 /* request and response queue variables */
687 dma_addr_t request_dma;
688 struct queue_entry *request_ring;
689 struct queue_entry *request_ptr;
690 dma_addr_t response_dma;
691 struct queue_entry *response_ring;
692 struct queue_entry *response_ptr;
693 dma_addr_t shadow_regs_dma;
694 struct shadow_regs *shadow_regs;
695 uint16_t request_in; /* Current indexes. */
696 uint16_t request_out;
697 uint16_t response_in;
698 uint16_t response_out;
699
700 /* aen queue variables */
701 uint16_t aen_q_count; /* Number of available aen_q entries */
702 uint16_t aen_in; /* Current indexes */
703 uint16_t aen_out;
704 struct aen aen_q[MAX_AEN_ENTRIES];
705
5c8bfc94
DS		 706 struct ql4_aen_log aen_log;/* tracks all aens */
707
afaf5a2d
DS		 708 /* This mutex protects several threads to do mailbox commands
709 * concurrently.
710 */
711 struct mutex mbox_sem;
afaf5a2d
DS		 712
713 /* temporary mailbox status registers */
714 volatile uint8_t mbox_status_count;
715 volatile uint32_t mbox_status[MBOX_REG_COUNT];
716
0e7e8501 717 /* FW ddb index map */
afaf5a2d
DS		 718 struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
719
94bced3c
KH		 720 /* Saved srb for status continuation entry processing */
721 struct srb *status_srb;
2a49a78e 722
2a49a78e 723 uint8_t acb_version;
f4f5df23
VC		 724
725 /* qla82xx specific fields */
7664a1fd 726 struct device_reg_82xx __iomem *qla4_82xx_reg; /* Base I/O address */
f4f5df23
VC		 727 unsigned long nx_pcibase; /* Base I/O address */
728 uint8_t *nx_db_rd_ptr; /* Doorbell read pointer */
729 unsigned long nx_db_wr_ptr; /* Door bell write pointer */
730 unsigned long first_page_group_start;
731 unsigned long first_page_group_end;
732
733 uint32_t crb_win;
734 uint32_t curr_window;
735 uint32_t ddr_mn_window;
736 unsigned long mn_win_crb;
737 unsigned long ms_win_crb;
738 int qdr_sn_window;
739 rwlock_t hw_lock;
740 uint16_t func_num;
741 int link_width;
742
743 struct qla4_8xxx_legacy_intr_set nx_legacy_intr;
744 u32 nx_crb_mask;
745
746 uint8_t revision_id;
747 uint32_t fw_heartbeat_counter;
748
749 struct isp_operations *isp_ops;
750 struct ql82xx_hw_data hw;
751
f4f5df23
VC		 752 uint32_t nx_dev_init_timeout;
753 uint32_t nx_reset_timeout;
068237c8
TP		 754 void *fw_dump;
755 uint32_t fw_dump_size;
756 uint32_t fw_dump_capture_mask;
757 void *fw_dump_tmplt_hdr;
758 uint32_t fw_dump_tmplt_size;
58e2bbe9 759 uint32_t fw_dump_skip_size;
f4f5df23
VC		 760
761 struct completion mbx_intr_comp;
7ad633c0 762
2bab08fc 763 struct ipaddress_config ip_config;
ed1086e0
VC		 764 struct iscsi_iface *iface_ipv4;
765 struct iscsi_iface *iface_ipv6_0;
766 struct iscsi_iface *iface_ipv6_1;
2bab08fc 767
7ad633c0 768 /* --- From About Firmware --- */
eee06a0f
AC		 769 struct about_fw_info fw_info;
770 uint32_t fw_uptime_secs; /* seconds elapsed since fw bootup */
771 uint32_t fw_uptime_msecs; /* milliseconds beyond elapsed seconds */
13483730 772 uint16_t def_timeout; /* Default login timeout */
a355943c
VC		 773
774 uint32_t flash_state;
775#define QLFLASH_WAITING 0
776#define QLFLASH_READING 1
777#define QLFLASH_WRITING 2
b3a271a9 778 struct dma_pool *chap_dma_pool;
4549415a
LC		 779 uint8_t *chap_list; /* CHAP table cache */
780 struct mutex chap_sem;
376738af 781
b3a271a9
MR		 782#define CHAP_DMA_BLOCK_SIZE 512
783 struct workqueue_struct *task_wq;
784 unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
2a991c21
MR		 785#define SYSFS_FLAG_FW_SEL_BOOT 2
786 struct iscsi_boot_kset *boot_kset;
787 struct ql4_boot_tgt_info boot_tgt;
91ec7cec
VC		 788 uint16_t phy_port_num;
789 uint16_t phy_port_cnt;
790 uint16_t iscsi_pci_func_cnt;
791 uint8_t model_name[16];
95d31262 792 struct completion disable_acb_comp;
13483730
MC		 793 struct dma_pool *fw_ddb_dma_pool;
794#define DDB_DMA_BLOCK_SIZE 512
795 uint16_t pri_ddb_idx;
796 uint16_t sec_ddb_idx;
797 int is_reset;
4f77083e 798 uint16_t temperature;
ff884430
VC		 799
800 /* event work list */
801 struct list_head work_list;
802 spinlock_t work_lock;
c0b9d3f7
VC		 803
804 /* mbox iocb */
805#define MAX_MRB 128
806 struct mrb *active_mrb_array[MAX_MRB];
807 uint32_t mrb_index;
33693c7a
VC		 808
809 uint32_t *reg_tbl;
6e7b4292
VC		 810 struct qla4_83xx_reset_template reset_tmplt;
811 struct device_reg_83xx __iomem *qla4_83xx_reg; /* Base I/O address
b37ca418
VC		 812 for ISP8324 and
813 and ISP8042 */
6e7b4292 814 uint32_t pf_bit;
320a61de 815 struct qla4_83xx_idc_information idc_info;
7ab284c9 816 struct addr_ctrl_blk *saved_acb;
df86f771
VC		 817 int notify_idc_comp;
818 int notify_link_up_comp;
819 int idc_extend_tmo;
820 struct completion idc_comp;
821 struct completion link_up_comp;
b3a271a9
MR		 822};
823
824struct ql4_task_data {
825 struct scsi_qla_host *ha;
826 uint8_t iocb_req_cnt;
827 dma_addr_t data_dma;
828 void *req_buffer;
829 dma_addr_t req_dma;
69ca216e 830 uint32_t req_len;
b3a271a9
MR		 831 void *resp_buffer;
832 dma_addr_t resp_dma;
833 uint32_t resp_len;
834 struct iscsi_task *task;
835 struct passthru_status sts;
836 struct work_struct task_work;
837};
838
839struct qla_endpoint {
840 struct Scsi_Host *host;
d46bdeb1 841 struct sockaddr_storage dst_addr;
b3a271a9
MR		 842};
843
844struct qla_conn {
845 struct qla_endpoint *qla_ep;
afaf5a2d
DS		 846};
847
2a49a78e
VC		 848static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
849{
2bab08fc 850 return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0);
2a49a78e
VC		 851}
852
853static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
854{
2bab08fc
VC		 855 return ((ha->ip_config.ipv6_options &
856 IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
2a49a78e
VC		 857}
858
afaf5a2d
DS		 859static inline int is_qla4010(struct scsi_qla_host *ha)
860{
861 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
862}
863
864static inline int is_qla4022(struct scsi_qla_host *ha)
865{
866 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
867}
868
d915058f
DS		 869static inline int is_qla4032(struct scsi_qla_host *ha)
870{
871 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
872}
873
4549415a
LC		 874static inline int is_qla40XX(struct scsi_qla_host *ha)
875{
876 return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha);
877}
878
f4f5df23
VC		 879static inline int is_qla8022(struct scsi_qla_host *ha)
880{
881 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
882}
883
6e7b4292
VC		 884static inline int is_qla8032(struct scsi_qla_host *ha)
885{
886 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324;
887}
888
b37ca418
VC		 889static inline int is_qla8042(struct scsi_qla_host *ha)
890{
891 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042;
892}
893
6e7b4292
VC		 894static inline int is_qla80XX(struct scsi_qla_host *ha)
895{
b37ca418 896 return is_qla8022(ha) || is_qla8032(ha) || is_qla8042(ha);
6e7b4292
VC		 897}
898
2232be0d
LC		 899static inline int is_aer_supported(struct scsi_qla_host *ha)
900{
6e7b4292 901 return ((ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022) ||
daa34eb4
TP		 902 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324) ||
903 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042));
2232be0d
LC		 904}
905
afaf5a2d
DS		 906static inline int adapter_up(struct scsi_qla_host *ha)
907{
908 return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
026fbd3a
NJ		 909 (test_bit(AF_LINK_UP, &ha->flags) != 0) &&
910 (!test_bit(AF_LOOPBACK, &ha->flags));
afaf5a2d
DS		 911}
912
913static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
914{
b3a271a9 915 return (struct scsi_qla_host *)iscsi_host_priv(shost);
afaf5a2d
DS		 916}
917
918static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
919{
d915058f
DS		 920 return (is_qla4010(ha) ?
921 &ha->reg->u1.isp4010.nvram :
922 &ha->reg->u1.isp4022.semaphore);
afaf5a2d
DS		 923}
924
925static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
926{
d915058f
DS		 927 return (is_qla4010(ha) ?
928 &ha->reg->u1.isp4010.nvram :
929 &ha->reg->u1.isp4022.nvram);
afaf5a2d
DS		 930}
931
932static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
933{
d915058f
DS		 934 return (is_qla4010(ha) ?
935 &ha->reg->u2.isp4010.ext_hw_conf :
936 &ha->reg->u2.isp4022.p0.ext_hw_conf);
afaf5a2d
DS		 937}
938
939static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
940{
d915058f
DS		 941 return (is_qla4010(ha) ?
942 &ha->reg->u2.isp4010.port_status :
943 &ha->reg->u2.isp4022.p0.port_status);
afaf5a2d
DS		 944}
945
946static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
947{
d915058f
DS		 948 return (is_qla4010(ha) ?
949 &ha->reg->u2.isp4010.port_ctrl :
950 &ha->reg->u2.isp4022.p0.port_ctrl);
afaf5a2d
DS		 951}
952
953static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
954{
d915058f
DS		 955 return (is_qla4010(ha) ?
956 &ha->reg->u2.isp4010.port_err_status :
957 &ha->reg->u2.isp4022.p0.port_err_status);
afaf5a2d
DS		 958}
959
960static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
961{
d915058f
DS		 962 return (is_qla4010(ha) ?
963 &ha->reg->u2.isp4010.gp_out :
964 &ha->reg->u2.isp4022.p0.gp_out);
afaf5a2d
DS		 965}
966
967static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
968{
d915058f
DS		 969 return (is_qla4010(ha) ?
970 offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
971 offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
afaf5a2d
DS		 972}
973
974int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
975void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask);
976int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
977
978static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
979{
d915058f
DS		 980 if (is_qla4010(a))
981 return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
982 QL4010_FLASH_SEM_BITS);
983 else
afaf5a2d
DS		 984 return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
985 (QL4022_RESOURCE_BITS_BASE_CODE |
986 (a->mac_index)) << 13);
afaf5a2d
DS		 987}
988
989static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
990{
d915058f 991 if (is_qla4010(a))
afaf5a2d 992 ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
d915058f
DS		 993 else
994 ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
afaf5a2d
DS		 995}
996
997static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
998{
d915058f
DS		 999 if (is_qla4010(a))
1000 return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
1001 QL4010_NVRAM_SEM_BITS);
1002 else
afaf5a2d
DS		 1003 return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
1004 (QL4022_RESOURCE_BITS_BASE_CODE |
1005 (a->mac_index)) << 10);
afaf5a2d
DS		 1006}
1007
1008static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
1009{
d915058f 1010 if (is_qla4010(a))
afaf5a2d 1011 ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
d915058f
DS		 1012 else
1013 ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
afaf5a2d
DS		 1014}
1015
1016static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
1017{
d915058f
DS		 1018 if (is_qla4010(a))
1019 return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
1020 QL4010_DRVR_SEM_BITS);
1021 else
afaf5a2d
DS		 1022 return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
1023 (QL4022_RESOURCE_BITS_BASE_CODE |
1024 (a->mac_index)) << 1);
afaf5a2d
DS		 1025}
1026
1027static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
1028{
d915058f 1029 if (is_qla4010(a))
afaf5a2d 1030 ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
d915058f
DS		 1031 else
1032 ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
afaf5a2d
DS		 1033}
1034
ef7830bb
HZ		 1035static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
1036{
1037 return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
1038 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
1039 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
1040 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
1041 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
1042 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
1043
1044}
33693c7a
VC		 1045
1046static inline int qla4_8xxx_rd_direct(struct scsi_qla_host *ha,
1047 const uint32_t crb_reg)
1048{
1049 return ha->isp_ops->rd_reg_direct(ha, ha->reg_tbl[crb_reg]);
1050}
1051
1052static inline void qla4_8xxx_wr_direct(struct scsi_qla_host *ha,
1053 const uint32_t crb_reg,
1054 const uint32_t value)
1055{
1056 ha->isp_ops->wr_reg_direct(ha, ha->reg_tbl[crb_reg], value);
1057}
1058
afaf5a2d
DS		 1059/*---------------------------------------------------------------------------*/
1060
1061/* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
13483730
MC		 1062
1063#define INIT_ADAPTER 0
1064#define RESET_ADAPTER 1
1065
afaf5a2d
DS		 1066#define PRESERVE_DDB_LIST 0
1067#define REBUILD_DDB_LIST 1
1068
1069/* Defines for process_aen() */
1070#define PROCESS_ALL_AENS 0
1071#define FLUSH_DDB_CHANGED_AENS 1
afaf5a2d 1072
068237c8
TP		 1073/* Defines for udev events */
1074#define QL4_UEVENT_CODE_FW_DUMP 0
1075
afaf5a2d 1076#endif /*_QLA4XXX_H */
Linux 6.x block layer and io_uring tree(s)