x86/xen: resume timer irqs early
[linux/fpc-iii.git] / drivers / scsi / qla4xxx / ql4_def.h
blob41327d46ecf58f9003686429189fdc3ad6e218b8
1 /*
2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2013 QLogic Corporation
5 * See LICENSE.qla4xxx for copyright and licensing details.
6 */
8 #ifndef __QL4_DEF_H
9 #define __QL4_DEF_H
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>
30 #include <net/tcp.h>
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_host.h>
33 #include <scsi/scsi_device.h>
34 #include <scsi/scsi_cmnd.h>
35 #include <scsi/scsi_transport.h>
36 #include <scsi/scsi_transport_iscsi.h>
37 #include <scsi/scsi_bsg_iscsi.h>
38 #include <scsi/scsi_netlink.h>
39 #include <scsi/libiscsi.h>
41 #include "ql4_dbg.h"
42 #include "ql4_nx.h"
43 #include "ql4_fw.h"
44 #include "ql4_nvram.h"
45 #include "ql4_83xx.h"
47 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
48 #define PCI_DEVICE_ID_QLOGIC_ISP4010 0x4010
49 #endif
51 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4022
52 #define PCI_DEVICE_ID_QLOGIC_ISP4022 0x4022
53 #endif
55 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
56 #define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032
57 #endif
59 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8022
60 #define PCI_DEVICE_ID_QLOGIC_ISP8022 0x8022
61 #endif
63 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8324
64 #define PCI_DEVICE_ID_QLOGIC_ISP8324 0x8032
65 #endif
67 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8042
68 #define PCI_DEVICE_ID_QLOGIC_ISP8042 0x8042
69 #endif
71 #define ISP4XXX_PCI_FN_1 0x1
72 #define ISP4XXX_PCI_FN_2 0x3
74 #define QLA_SUCCESS 0
75 #define QLA_ERROR 1
78 * Data bit definitions
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
114 * Macros to help code, maintain, etc.
116 #define ql4_printk(level, ha, format, arg...) \
117 dev_printk(level , &((ha)->pdev->dev) , format , ## arg)
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
137 * Buffer sizes
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
146 * Misc
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"
153 #define MAX_LINKED_CMDS_PER_LUN 3
154 #define MAX_REQS_SERVICED_PER_INTR 1
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 */
160 #define QL4_SESS_RECOVERY_TMO 120 /* iSCSI session */
161 /* recovery timeout */
163 #define LSDW(x) ((u32)((u64)(x)))
164 #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
166 #define DEV_DB_NON_PERSISTENT 0
167 #define DEV_DB_PERSISTENT 1
169 #define COPY_ISID(dst_isid, src_isid) { \
170 int i, j; \
171 for (i = 0, j = ISID_SIZE - 1; i < ISID_SIZE;) \
172 dst_isid[i++] = src_isid[j--]; \
175 #define SET_BITVAL(o, n, v) { \
176 if (o) \
177 n |= v; \
178 else \
179 n &= ~v; \
183 * Retry & Timeout Values
185 #define MBOX_TOV 60
186 #define SOFT_RESET_TOV 30
187 #define RESET_INTR_TOV 3
188 #define SEMAPHORE_TOV 10
189 #define ADAPTER_INIT_TOV 30
190 #define ADAPTER_RESET_TOV 180
191 #define EXTEND_CMD_TOV 60
192 #define WAIT_CMD_TOV 30
193 #define EH_WAIT_CMD_TOV 120
194 #define FIRMWARE_UP_TOV 60
195 #define RESET_FIRMWARE_TOV 30
196 #define LOGOUT_TOV 10
197 #define IOCB_TOV_MARGIN 10
198 #define RELOGIN_TOV 18
199 #define ISNS_DEREG_TOV 5
200 #define HBA_ONLINE_TOV 30
201 #define DISABLE_ACB_TOV 30
202 #define IP_CONFIG_TOV 30
203 #define LOGIN_TOV 12
204 #define BOOT_LOGIN_RESP_TOV 60
206 #define MAX_RESET_HA_RETRIES 2
207 #define FW_ALIVE_WAIT_TOV 3
208 #define IDC_EXTEND_TOV 8
210 #define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr)
213 * SCSI Request Block structure (srb) that is placed
214 * on cmd->SCp location of every I/O [We have 22 bytes available]
216 struct srb {
217 struct list_head list; /* (8) */
218 struct scsi_qla_host *ha; /* HA the SP is queued on */
219 struct ddb_entry *ddb;
220 uint16_t flags; /* (1) Status flags. */
222 #define SRB_DMA_VALID BIT_3 /* DMA Buffer mapped. */
223 #define SRB_GOT_SENSE BIT_4 /* sense data received. */
224 uint8_t state; /* (1) Status flags. */
226 #define SRB_NO_QUEUE_STATE 0 /* Request is in between states */
227 #define SRB_FREE_STATE 1
228 #define SRB_ACTIVE_STATE 3
229 #define SRB_ACTIVE_TIMEOUT_STATE 4
230 #define SRB_SUSPENDED_STATE 7 /* Request in suspended state */
232 struct scsi_cmnd *cmd; /* (4) SCSI command block */
233 dma_addr_t dma_handle; /* (4) for unmap of single transfers */
234 struct kref srb_ref; /* reference count for this srb */
235 uint8_t err_id; /* error id */
236 #define SRB_ERR_PORT 1 /* Request failed because "port down" */
237 #define SRB_ERR_LOOP 2 /* Request failed because "loop down" */
238 #define SRB_ERR_DEVICE 3 /* Request failed because "device error" */
239 #define SRB_ERR_OTHER 4
241 uint16_t reserved;
242 uint16_t iocb_tov;
243 uint16_t iocb_cnt; /* Number of used iocbs */
244 uint16_t cc_stat;
246 /* Used for extended sense / status continuation */
247 uint8_t *req_sense_ptr;
248 uint16_t req_sense_len;
249 uint16_t reserved2;
252 /* Mailbox request block structure */
253 struct mrb {
254 struct scsi_qla_host *ha;
255 struct mbox_cmd_iocb *mbox;
256 uint32_t mbox_cmd;
257 uint16_t iocb_cnt; /* Number of used iocbs */
258 uint32_t pid;
262 * Asynchronous Event Queue structure
264 struct aen {
265 uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
268 struct ql4_aen_log {
269 int count;
270 struct aen entry[MAX_AEN_ENTRIES];
274 * Device Database (DDB) structure
276 struct ddb_entry {
277 struct scsi_qla_host *ha;
278 struct iscsi_cls_session *sess;
279 struct iscsi_cls_conn *conn;
281 uint16_t fw_ddb_index; /* DDB firmware index */
282 uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */
283 uint16_t ddb_type;
284 #define FLASH_DDB 0x01
286 struct dev_db_entry fw_ddb_entry;
287 int (*unblock_sess)(struct iscsi_cls_session *cls_session);
288 int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
289 struct ddb_entry *ddb_entry, uint32_t state);
291 /* Driver Re-login */
292 unsigned long flags; /* DDB Flags */
293 uint16_t default_relogin_timeout; /* Max time to wait for
294 * relogin to complete */
295 atomic_t retry_relogin_timer; /* Min Time between relogins
296 * (4000 only) */
297 atomic_t relogin_timer; /* Max Time to wait for
298 * relogin to complete */
299 atomic_t relogin_retry_count; /* Num of times relogin has been
300 * retried */
301 uint32_t default_time2wait; /* Default Min time between
302 * relogins (+aens) */
303 uint16_t chap_tbl_idx;
306 struct qla_ddb_index {
307 struct list_head list;
308 uint16_t fw_ddb_idx;
309 struct dev_db_entry fw_ddb;
310 uint8_t flash_isid[6];
313 #define DDB_IPADDR_LEN 64
315 struct ql4_tuple_ddb {
316 int port;
317 int tpgt;
318 char ip_addr[DDB_IPADDR_LEN];
319 char iscsi_name[ISCSI_NAME_SIZE];
320 uint16_t options;
321 #define DDB_OPT_IPV6 0x0e0e
322 #define DDB_OPT_IPV4 0x0f0f
323 uint8_t isid[6];
327 * DDB states.
329 #define DDB_STATE_DEAD 0 /* We can no longer talk to
330 * this device */
331 #define DDB_STATE_ONLINE 1 /* Device ready to accept
332 * commands */
333 #define DDB_STATE_MISSING 2 /* Device logged off, trying
334 * to re-login */
337 * DDB flags.
339 #define DF_RELOGIN 0 /* Relogin to device */
340 #define DF_BOOT_TGT 1 /* Boot target entry */
341 #define DF_ISNS_DISCOVERED 2 /* Device was discovered via iSNS */
342 #define DF_FO_MASKED 3
343 #define DF_DISABLE_RELOGIN 4 /* Disable relogin to device */
345 enum qla4_work_type {
346 QLA4_EVENT_AEN,
347 QLA4_EVENT_PING_STATUS,
350 struct qla4_work_evt {
351 struct list_head list;
352 enum qla4_work_type type;
353 union {
354 struct {
355 enum iscsi_host_event_code code;
356 uint32_t data_size;
357 uint8_t data[0];
358 } aen;
359 struct {
360 uint32_t status;
361 uint32_t pid;
362 uint32_t data_size;
363 uint8_t data[0];
364 } ping;
365 } u;
368 struct ql82xx_hw_data {
369 /* Offsets for flash/nvram access (set to ~0 if not used). */
370 uint32_t flash_conf_off;
371 uint32_t flash_data_off;
373 uint32_t fdt_wrt_disable;
374 uint32_t fdt_erase_cmd;
375 uint32_t fdt_block_size;
376 uint32_t fdt_unprotect_sec_cmd;
377 uint32_t fdt_protect_sec_cmd;
379 uint32_t flt_region_flt;
380 uint32_t flt_region_fdt;
381 uint32_t flt_region_boot;
382 uint32_t flt_region_bootload;
383 uint32_t flt_region_fw;
385 uint32_t flt_iscsi_param;
386 uint32_t flt_region_chap;
387 uint32_t flt_chap_size;
388 uint32_t flt_region_ddb;
389 uint32_t flt_ddb_size;
392 struct qla4_8xxx_legacy_intr_set {
393 uint32_t int_vec_bit;
394 uint32_t tgt_status_reg;
395 uint32_t tgt_mask_reg;
396 uint32_t pci_int_reg;
399 /* MSI-X Support */
401 #define QLA_MSIX_DEFAULT 0x00
402 #define QLA_MSIX_RSP_Q 0x01
404 #define QLA_MSIX_ENTRIES 2
405 #define QLA_MIDX_DEFAULT 0
406 #define QLA_MIDX_RSP_Q 1
408 struct ql4_msix_entry {
409 int have_irq;
410 uint16_t msix_vector;
411 uint16_t msix_entry;
415 * ISP Operations
417 struct isp_operations {
418 int (*iospace_config) (struct scsi_qla_host *ha);
419 void (*pci_config) (struct scsi_qla_host *);
420 void (*disable_intrs) (struct scsi_qla_host *);
421 void (*enable_intrs) (struct scsi_qla_host *);
422 int (*start_firmware) (struct scsi_qla_host *);
423 int (*restart_firmware) (struct scsi_qla_host *);
424 irqreturn_t (*intr_handler) (int , void *);
425 void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
426 int (*need_reset) (struct scsi_qla_host *);
427 int (*reset_chip) (struct scsi_qla_host *);
428 int (*reset_firmware) (struct scsi_qla_host *);
429 void (*queue_iocb) (struct scsi_qla_host *);
430 void (*complete_iocb) (struct scsi_qla_host *);
431 uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
432 uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
433 int (*get_sys_info) (struct scsi_qla_host *);
434 uint32_t (*rd_reg_direct) (struct scsi_qla_host *, ulong);
435 void (*wr_reg_direct) (struct scsi_qla_host *, ulong, uint32_t);
436 int (*rd_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t *);
437 int (*wr_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t);
438 int (*idc_lock) (struct scsi_qla_host *);
439 void (*idc_unlock) (struct scsi_qla_host *);
440 void (*rom_lock_recovery) (struct scsi_qla_host *);
441 void (*queue_mailbox_command) (struct scsi_qla_host *, uint32_t *, int);
442 void (*process_mailbox_interrupt) (struct scsi_qla_host *, int);
445 struct ql4_mdump_size_table {
446 uint32_t size;
447 uint32_t size_cmask_02;
448 uint32_t size_cmask_04;
449 uint32_t size_cmask_08;
450 uint32_t size_cmask_10;
451 uint32_t size_cmask_FF;
452 uint32_t version;
455 /*qla4xxx ipaddress configuration details */
456 struct ipaddress_config {
457 uint16_t ipv4_options;
458 uint16_t tcp_options;
459 uint16_t ipv4_vlan_tag;
460 uint8_t ipv4_addr_state;
461 uint8_t ip_address[IP_ADDR_LEN];
462 uint8_t subnet_mask[IP_ADDR_LEN];
463 uint8_t gateway[IP_ADDR_LEN];
464 uint32_t ipv6_options;
465 uint32_t ipv6_addl_options;
466 uint8_t ipv6_link_local_state;
467 uint8_t ipv6_addr0_state;
468 uint8_t ipv6_addr1_state;
469 uint8_t ipv6_default_router_state;
470 uint16_t ipv6_vlan_tag;
471 struct in6_addr ipv6_link_local_addr;
472 struct in6_addr ipv6_addr0;
473 struct in6_addr ipv6_addr1;
474 struct in6_addr ipv6_default_router_addr;
475 uint16_t eth_mtu_size;
476 uint16_t ipv4_port;
477 uint16_t ipv6_port;
480 #define QL4_CHAP_MAX_NAME_LEN 256
481 #define QL4_CHAP_MAX_SECRET_LEN 100
482 #define LOCAL_CHAP 0
483 #define BIDI_CHAP 1
485 struct ql4_chap_format {
486 u8 intr_chap_name[QL4_CHAP_MAX_NAME_LEN];
487 u8 intr_secret[QL4_CHAP_MAX_SECRET_LEN];
488 u8 target_chap_name[QL4_CHAP_MAX_NAME_LEN];
489 u8 target_secret[QL4_CHAP_MAX_SECRET_LEN];
490 u16 intr_chap_name_length;
491 u16 intr_secret_length;
492 u16 target_chap_name_length;
493 u16 target_secret_length;
496 struct ip_address_format {
497 u8 ip_type;
498 u8 ip_address[16];
501 struct ql4_conn_info {
502 u16 dest_port;
503 struct ip_address_format dest_ipaddr;
504 struct ql4_chap_format chap;
507 struct ql4_boot_session_info {
508 u8 target_name[224];
509 struct ql4_conn_info conn_list[1];
512 struct ql4_boot_tgt_info {
513 struct ql4_boot_session_info boot_pri_sess;
514 struct ql4_boot_session_info boot_sec_sess;
518 * Linux Host Adapter structure
520 struct scsi_qla_host {
521 /* Linux adapter configuration data */
522 unsigned long flags;
524 #define AF_ONLINE 0 /* 0x00000001 */
525 #define AF_INIT_DONE 1 /* 0x00000002 */
526 #define AF_MBOX_COMMAND 2 /* 0x00000004 */
527 #define AF_MBOX_COMMAND_DONE 3 /* 0x00000008 */
528 #define AF_ST_DISCOVERY_IN_PROGRESS 4 /* 0x00000010 */
529 #define AF_INTERRUPTS_ON 6 /* 0x00000040 */
530 #define AF_GET_CRASH_RECORD 7 /* 0x00000080 */
531 #define AF_LINK_UP 8 /* 0x00000100 */
532 #define AF_LOOPBACK 9 /* 0x00000200 */
533 #define AF_IRQ_ATTACHED 10 /* 0x00000400 */
534 #define AF_DISABLE_ACB_COMPLETE 11 /* 0x00000800 */
535 #define AF_HA_REMOVAL 12 /* 0x00001000 */
536 #define AF_INTx_ENABLED 15 /* 0x00008000 */
537 #define AF_MSI_ENABLED 16 /* 0x00010000 */
538 #define AF_MSIX_ENABLED 17 /* 0x00020000 */
539 #define AF_MBOX_COMMAND_NOPOLL 18 /* 0x00040000 */
540 #define AF_FW_RECOVERY 19 /* 0x00080000 */
541 #define AF_EEH_BUSY 20 /* 0x00100000 */
542 #define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */
543 #define AF_BUILD_DDB_LIST 22 /* 0x00400000 */
544 #define AF_82XX_FW_DUMPED 24 /* 0x01000000 */
545 #define AF_8XXX_RST_OWNER 25 /* 0x02000000 */
546 #define AF_82XX_DUMP_READING 26 /* 0x04000000 */
547 #define AF_83XX_NO_FW_DUMP 27 /* 0x08000000 */
548 #define AF_83XX_IOCB_INTR_ON 28 /* 0x10000000 */
549 #define AF_83XX_MBOX_INTR_ON 29 /* 0x20000000 */
551 unsigned long dpc_flags;
553 #define DPC_RESET_HA 1 /* 0x00000002 */
554 #define DPC_RETRY_RESET_HA 2 /* 0x00000004 */
555 #define DPC_RELOGIN_DEVICE 3 /* 0x00000008 */
556 #define DPC_RESET_HA_FW_CONTEXT 4 /* 0x00000010 */
557 #define DPC_RESET_HA_INTR 5 /* 0x00000020 */
558 #define DPC_ISNS_RESTART 7 /* 0x00000080 */
559 #define DPC_AEN 9 /* 0x00000200 */
560 #define DPC_GET_DHCP_IP_ADDR 15 /* 0x00008000 */
561 #define DPC_LINK_CHANGED 18 /* 0x00040000 */
562 #define DPC_RESET_ACTIVE 20 /* 0x00040000 */
563 #define DPC_HA_UNRECOVERABLE 21 /* 0x00080000 ISP-82xx only*/
564 #define DPC_HA_NEED_QUIESCENT 22 /* 0x00100000 ISP-82xx only*/
565 #define DPC_POST_IDC_ACK 23 /* 0x00200000 */
566 #define DPC_RESTORE_ACB 24 /* 0x01000000 */
568 struct Scsi_Host *host; /* pointer to host data */
569 uint32_t tot_ddbs;
571 uint16_t iocb_cnt;
572 uint16_t iocb_hiwat;
574 /* SRB cache. */
575 #define SRB_MIN_REQ 128
576 mempool_t *srb_mempool;
578 /* pci information */
579 struct pci_dev *pdev;
581 struct isp_reg __iomem *reg; /* Base I/O address */
582 unsigned long pio_address;
583 unsigned long pio_length;
584 #define MIN_IOBASE_LEN 0x100
586 uint16_t req_q_count;
588 unsigned long host_no;
590 /* NVRAM registers */
591 struct eeprom_data *nvram;
592 spinlock_t hardware_lock ____cacheline_aligned;
593 uint32_t eeprom_cmd_data;
595 /* Counters for general statistics */
596 uint64_t isr_count;
597 uint64_t adapter_error_count;
598 uint64_t device_error_count;
599 uint64_t total_io_count;
600 uint64_t total_mbytes_xferred;
601 uint64_t link_failure_count;
602 uint64_t invalid_crc_count;
603 uint32_t bytes_xfered;
604 uint32_t spurious_int_count;
605 uint32_t aborted_io_count;
606 uint32_t io_timeout_count;
607 uint32_t mailbox_timeout_count;
608 uint32_t seconds_since_last_intr;
609 uint32_t seconds_since_last_heartbeat;
610 uint32_t mac_index;
612 /* Info Needed for Management App */
613 /* --- From GetFwVersion --- */
614 uint32_t firmware_version[2];
615 uint32_t patch_number;
616 uint32_t build_number;
617 uint32_t board_id;
619 /* --- From Init_FW --- */
620 /* init_cb_t *init_cb; */
621 uint16_t firmware_options;
622 uint8_t alias[32];
623 uint8_t name_string[256];
624 uint8_t heartbeat_interval;
626 /* --- From FlashSysInfo --- */
627 uint8_t my_mac[MAC_ADDR_LEN];
628 uint8_t serial_number[16];
629 uint16_t port_num;
630 /* --- From GetFwState --- */
631 uint32_t firmware_state;
632 uint32_t addl_fw_state;
634 /* Linux kernel thread */
635 struct workqueue_struct *dpc_thread;
636 struct work_struct dpc_work;
638 /* Linux timer thread */
639 struct timer_list timer;
640 uint32_t timer_active;
642 /* Recovery Timers */
643 atomic_t check_relogin_timeouts;
644 uint32_t retry_reset_ha_cnt;
645 uint32_t isp_reset_timer; /* reset test timer */
646 uint32_t nic_reset_timer; /* simulated nic reset test timer */
647 int eh_start;
648 struct list_head free_srb_q;
649 uint16_t free_srb_q_count;
650 uint16_t num_srbs_allocated;
652 /* DMA Memory Block */
653 void *queues;
654 dma_addr_t queues_dma;
655 unsigned long queues_len;
657 #define MEM_ALIGN_VALUE \
658 ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \
659 sizeof(struct queue_entry))
660 /* request and response queue variables */
661 dma_addr_t request_dma;
662 struct queue_entry *request_ring;
663 struct queue_entry *request_ptr;
664 dma_addr_t response_dma;
665 struct queue_entry *response_ring;
666 struct queue_entry *response_ptr;
667 dma_addr_t shadow_regs_dma;
668 struct shadow_regs *shadow_regs;
669 uint16_t request_in; /* Current indexes. */
670 uint16_t request_out;
671 uint16_t response_in;
672 uint16_t response_out;
674 /* aen queue variables */
675 uint16_t aen_q_count; /* Number of available aen_q entries */
676 uint16_t aen_in; /* Current indexes */
677 uint16_t aen_out;
678 struct aen aen_q[MAX_AEN_ENTRIES];
680 struct ql4_aen_log aen_log;/* tracks all aens */
682 /* This mutex protects several threads to do mailbox commands
683 * concurrently.
685 struct mutex mbox_sem;
687 /* temporary mailbox status registers */
688 volatile uint8_t mbox_status_count;
689 volatile uint32_t mbox_status[MBOX_REG_COUNT];
691 /* FW ddb index map */
692 struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
694 /* Saved srb for status continuation entry processing */
695 struct srb *status_srb;
697 uint8_t acb_version;
699 /* qla82xx specific fields */
700 struct device_reg_82xx __iomem *qla4_82xx_reg; /* Base I/O address */
701 unsigned long nx_pcibase; /* Base I/O address */
702 uint8_t *nx_db_rd_ptr; /* Doorbell read pointer */
703 unsigned long nx_db_wr_ptr; /* Door bell write pointer */
704 unsigned long first_page_group_start;
705 unsigned long first_page_group_end;
707 uint32_t crb_win;
708 uint32_t curr_window;
709 uint32_t ddr_mn_window;
710 unsigned long mn_win_crb;
711 unsigned long ms_win_crb;
712 int qdr_sn_window;
713 rwlock_t hw_lock;
714 uint16_t func_num;
715 int link_width;
717 struct qla4_8xxx_legacy_intr_set nx_legacy_intr;
718 u32 nx_crb_mask;
720 uint8_t revision_id;
721 uint32_t fw_heartbeat_counter;
723 struct isp_operations *isp_ops;
724 struct ql82xx_hw_data hw;
726 struct ql4_msix_entry msix_entries[QLA_MSIX_ENTRIES];
728 uint32_t nx_dev_init_timeout;
729 uint32_t nx_reset_timeout;
730 void *fw_dump;
731 uint32_t fw_dump_size;
732 uint32_t fw_dump_capture_mask;
733 void *fw_dump_tmplt_hdr;
734 uint32_t fw_dump_tmplt_size;
736 struct completion mbx_intr_comp;
738 struct ipaddress_config ip_config;
739 struct iscsi_iface *iface_ipv4;
740 struct iscsi_iface *iface_ipv6_0;
741 struct iscsi_iface *iface_ipv6_1;
743 /* --- From About Firmware --- */
744 struct about_fw_info fw_info;
745 uint32_t fw_uptime_secs; /* seconds elapsed since fw bootup */
746 uint32_t fw_uptime_msecs; /* milliseconds beyond elapsed seconds */
747 uint16_t def_timeout; /* Default login timeout */
749 uint32_t flash_state;
750 #define QLFLASH_WAITING 0
751 #define QLFLASH_READING 1
752 #define QLFLASH_WRITING 2
753 struct dma_pool *chap_dma_pool;
754 uint8_t *chap_list; /* CHAP table cache */
755 struct mutex chap_sem;
757 #define CHAP_DMA_BLOCK_SIZE 512
758 struct workqueue_struct *task_wq;
759 unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
760 #define SYSFS_FLAG_FW_SEL_BOOT 2
761 struct iscsi_boot_kset *boot_kset;
762 struct ql4_boot_tgt_info boot_tgt;
763 uint16_t phy_port_num;
764 uint16_t phy_port_cnt;
765 uint16_t iscsi_pci_func_cnt;
766 uint8_t model_name[16];
767 struct completion disable_acb_comp;
768 struct dma_pool *fw_ddb_dma_pool;
769 #define DDB_DMA_BLOCK_SIZE 512
770 uint16_t pri_ddb_idx;
771 uint16_t sec_ddb_idx;
772 int is_reset;
773 uint16_t temperature;
775 /* event work list */
776 struct list_head work_list;
777 spinlock_t work_lock;
779 /* mbox iocb */
780 #define MAX_MRB 128
781 struct mrb *active_mrb_array[MAX_MRB];
782 uint32_t mrb_index;
784 uint32_t *reg_tbl;
785 struct qla4_83xx_reset_template reset_tmplt;
786 struct device_reg_83xx __iomem *qla4_83xx_reg; /* Base I/O address
787 for ISP8324 and
788 and ISP8042 */
789 uint32_t pf_bit;
790 struct qla4_83xx_idc_information idc_info;
791 struct addr_ctrl_blk *saved_acb;
794 struct ql4_task_data {
795 struct scsi_qla_host *ha;
796 uint8_t iocb_req_cnt;
797 dma_addr_t data_dma;
798 void *req_buffer;
799 dma_addr_t req_dma;
800 uint32_t req_len;
801 void *resp_buffer;
802 dma_addr_t resp_dma;
803 uint32_t resp_len;
804 struct iscsi_task *task;
805 struct passthru_status sts;
806 struct work_struct task_work;
809 struct qla_endpoint {
810 struct Scsi_Host *host;
811 struct sockaddr_storage dst_addr;
814 struct qla_conn {
815 struct qla_endpoint *qla_ep;
818 static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
820 return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0);
823 static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
825 return ((ha->ip_config.ipv6_options &
826 IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
829 static inline int is_qla4010(struct scsi_qla_host *ha)
831 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
834 static inline int is_qla4022(struct scsi_qla_host *ha)
836 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
839 static inline int is_qla4032(struct scsi_qla_host *ha)
841 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
844 static inline int is_qla40XX(struct scsi_qla_host *ha)
846 return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha);
849 static inline int is_qla8022(struct scsi_qla_host *ha)
851 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
854 static inline int is_qla8032(struct scsi_qla_host *ha)
856 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324;
859 static inline int is_qla8042(struct scsi_qla_host *ha)
861 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042;
864 static inline int is_qla80XX(struct scsi_qla_host *ha)
866 return is_qla8022(ha) || is_qla8032(ha) || is_qla8042(ha);
869 static inline int is_aer_supported(struct scsi_qla_host *ha)
871 return ((ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022) ||
872 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324));
875 static inline int adapter_up(struct scsi_qla_host *ha)
877 return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
878 (test_bit(AF_LINK_UP, &ha->flags) != 0) &&
879 (!test_bit(AF_LOOPBACK, &ha->flags));
882 static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
884 return (struct scsi_qla_host *)iscsi_host_priv(shost);
887 static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
889 return (is_qla4010(ha) ?
890 &ha->reg->u1.isp4010.nvram :
891 &ha->reg->u1.isp4022.semaphore);
894 static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
896 return (is_qla4010(ha) ?
897 &ha->reg->u1.isp4010.nvram :
898 &ha->reg->u1.isp4022.nvram);
901 static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
903 return (is_qla4010(ha) ?
904 &ha->reg->u2.isp4010.ext_hw_conf :
905 &ha->reg->u2.isp4022.p0.ext_hw_conf);
908 static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
910 return (is_qla4010(ha) ?
911 &ha->reg->u2.isp4010.port_status :
912 &ha->reg->u2.isp4022.p0.port_status);
915 static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
917 return (is_qla4010(ha) ?
918 &ha->reg->u2.isp4010.port_ctrl :
919 &ha->reg->u2.isp4022.p0.port_ctrl);
922 static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
924 return (is_qla4010(ha) ?
925 &ha->reg->u2.isp4010.port_err_status :
926 &ha->reg->u2.isp4022.p0.port_err_status);
929 static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
931 return (is_qla4010(ha) ?
932 &ha->reg->u2.isp4010.gp_out :
933 &ha->reg->u2.isp4022.p0.gp_out);
936 static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
938 return (is_qla4010(ha) ?
939 offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
940 offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
943 int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
944 void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask);
945 int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
947 static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
949 if (is_qla4010(a))
950 return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
951 QL4010_FLASH_SEM_BITS);
952 else
953 return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
954 (QL4022_RESOURCE_BITS_BASE_CODE |
955 (a->mac_index)) << 13);
958 static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
960 if (is_qla4010(a))
961 ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
962 else
963 ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
966 static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
968 if (is_qla4010(a))
969 return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
970 QL4010_NVRAM_SEM_BITS);
971 else
972 return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
973 (QL4022_RESOURCE_BITS_BASE_CODE |
974 (a->mac_index)) << 10);
977 static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
979 if (is_qla4010(a))
980 ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
981 else
982 ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
985 static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
987 if (is_qla4010(a))
988 return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
989 QL4010_DRVR_SEM_BITS);
990 else
991 return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
992 (QL4022_RESOURCE_BITS_BASE_CODE |
993 (a->mac_index)) << 1);
996 static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
998 if (is_qla4010(a))
999 ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
1000 else
1001 ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
1004 static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
1006 return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
1007 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
1008 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
1009 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
1010 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
1011 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
1015 static inline int qla4_8xxx_rd_direct(struct scsi_qla_host *ha,
1016 const uint32_t crb_reg)
1018 return ha->isp_ops->rd_reg_direct(ha, ha->reg_tbl[crb_reg]);
1021 static inline void qla4_8xxx_wr_direct(struct scsi_qla_host *ha,
1022 const uint32_t crb_reg,
1023 const uint32_t value)
1025 ha->isp_ops->wr_reg_direct(ha, ha->reg_tbl[crb_reg], value);
1028 /*---------------------------------------------------------------------------*/
1030 /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
1032 #define INIT_ADAPTER 0
1033 #define RESET_ADAPTER 1
1035 #define PRESERVE_DDB_LIST 0
1036 #define REBUILD_DDB_LIST 1
1038 /* Defines for process_aen() */
1039 #define PROCESS_ALL_AENS 0
1040 #define FLUSH_DDB_CHANGED_AENS 1
1042 /* Defines for udev events */
1043 #define QL4_UEVENT_CODE_FW_DUMP 0
1045 #endif /*_QLA4XXX_H */