2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2013 QLogic Corporation
5 * See LICENSE.qla4xxx for copyright and licensing details.
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/types.h>
14 #include <linux/module.h>
15 #include <linux/list.h>
16 #include <linux/pci.h>
17 #include <linux/dma-mapping.h>
18 #include <linux/sched.h>
19 #include <linux/slab.h>
20 #include <linux/dmapool.h>
21 #include <linux/mempool.h>
22 #include <linux/spinlock.h>
23 #include <linux/workqueue.h>
24 #include <linux/delay.h>
25 #include <linux/interrupt.h>
26 #include <linux/mutex.h>
27 #include <linux/aer.h>
28 #include <linux/bsg-lib.h>
29 #include <linux/vmalloc.h>
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_cmnd.h>
36 #include <scsi/scsi_transport.h>
37 #include <scsi/scsi_transport_iscsi.h>
38 #include <scsi/scsi_bsg_iscsi.h>
39 #include <scsi/scsi_netlink.h>
40 #include <scsi/libiscsi.h>
45 #include "ql4_nvram.h"
48 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
49 #define PCI_DEVICE_ID_QLOGIC_ISP4010 0x4010
52 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4022
53 #define PCI_DEVICE_ID_QLOGIC_ISP4022 0x4022
56 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
57 #define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032
60 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8022
61 #define PCI_DEVICE_ID_QLOGIC_ISP8022 0x8022
64 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8324
65 #define PCI_DEVICE_ID_QLOGIC_ISP8324 0x8032
68 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8042
69 #define PCI_DEVICE_ID_QLOGIC_ISP8042 0x8042
72 #define ISP4XXX_PCI_FN_1 0x1
73 #define ISP4XXX_PCI_FN_2 0x3
77 #define STATUS(status) status == QLA_ERROR ? "FAILED" : "SUCCEEDED"
80 * Data bit definitions
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
116 * Macros to help code, maintain, etc.
118 #define ql4_printk(level, ha, format, arg...) \
119 dev_printk(level , &((ha)->pdev->dev) , format , ## arg)
123 * Host adapter default definitions
124 ***********************************/
127 #define MAX_TARGETS MAX_DEV_DB_ENTRIES
128 #define MAX_LUNS 0xffff
129 #define MAX_AEN_ENTRIES MAX_DEV_DB_ENTRIES
130 #define MAX_DDB_ENTRIES MAX_DEV_DB_ENTRIES
131 #define MAX_PDU_ENTRIES 32
132 #define INVALID_ENTRY 0xFFFF
133 #define MAX_CMDS_TO_RISC 1024
134 #define MAX_SRBS MAX_CMDS_TO_RISC
135 #define MBOX_AEN_REG_COUNT 8
136 #define MAX_INIT_RETRIES 5
141 #define REQUEST_QUEUE_DEPTH MAX_CMDS_TO_RISC
142 #define RESPONSE_QUEUE_DEPTH 64
143 #define QUEUE_SIZE 64
144 #define DMA_BUFFER_SIZE 512
145 #define IOCB_HIWAT_CUSHION 4
150 #define MAC_ADDR_LEN 6 /* in bytes */
151 #define IP_ADDR_LEN 4 /* in bytes */
152 #define IPv6_ADDR_LEN 16 /* IPv6 address size */
153 #define DRIVER_NAME "qla4xxx"
155 #define MAX_LINKED_CMDS_PER_LUN 3
156 #define MAX_REQS_SERVICED_PER_INTR 1
158 #define ISCSI_IPADDR_SIZE 4 /* IP address size */
159 #define ISCSI_ALIAS_SIZE 32 /* ISCSI Alias name size */
160 #define ISCSI_NAME_SIZE 0xE0 /* ISCSI Name size */
162 #define QL4_SESS_RECOVERY_TMO 120 /* iSCSI session */
163 /* recovery timeout */
165 #define LSDW(x) ((u32)((u64)(x)))
166 #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
168 #define DEV_DB_NON_PERSISTENT 0
169 #define DEV_DB_PERSISTENT 1
171 #define QL4_ISP_REG_DISCONNECT 0xffffffffU
173 #define COPY_ISID(dst_isid, src_isid) { \
175 for (i = 0, j = ISID_SIZE - 1; i < ISID_SIZE;) \
176 dst_isid[i++] = src_isid[j--]; \
179 #define SET_BITVAL(o, n, v) { \
186 #define OP_STATE(o, f, p) { \
187 p = (o & f) ? "enable" : "disable"; \
191 * Retry & Timeout Values
194 #define SOFT_RESET_TOV 30
195 #define RESET_INTR_TOV 3
196 #define SEMAPHORE_TOV 10
197 #define ADAPTER_INIT_TOV 30
198 #define ADAPTER_RESET_TOV 180
199 #define EXTEND_CMD_TOV 60
200 #define WAIT_CMD_TOV 5
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
208 #define HBA_ONLINE_TOV 30
209 #define DISABLE_ACB_TOV 30
210 #define IP_CONFIG_TOV 30
212 #define BOOT_LOGIN_RESP_TOV 60
214 #define MAX_RESET_HA_RETRIES 2
215 #define FW_ALIVE_WAIT_TOV 3
216 #define IDC_EXTEND_TOV 8
217 #define IDC_COMP_TOV 5
218 #define LINK_UP_COMP_TOV 30
220 #define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr)
223 * SCSI Request Block structure (srb) that is placed
224 * on cmd->SCp location of every I/O [We have 22 bytes available]
227 struct list_head list; /* (8) */
228 struct scsi_qla_host *ha; /* HA the SP is queued on */
229 struct ddb_entry *ddb;
230 uint16_t flags; /* (1) Status flags. */
232 #define SRB_DMA_VALID BIT_3 /* DMA Buffer mapped. */
233 #define SRB_GOT_SENSE BIT_4 /* sense data received. */
234 uint8_t state; /* (1) Status flags. */
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 */
242 struct scsi_cmnd *cmd; /* (4) SCSI command block */
243 dma_addr_t dma_handle; /* (4) for unmap of single transfers */
244 struct kref srb_ref; /* reference count for this srb */
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
253 uint16_t iocb_cnt; /* Number of used iocbs */
256 /* Used for extended sense / status continuation */
257 uint8_t *req_sense_ptr;
258 uint16_t req_sense_len;
262 /* Mailbox request block structure */
264 struct scsi_qla_host *ha;
265 struct mbox_cmd_iocb *mbox;
267 uint16_t iocb_cnt; /* Number of used iocbs */
272 * Asynchronous Event Queue structure
275 uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
280 struct aen entry[MAX_AEN_ENTRIES];
284 * Device Database (DDB) structure
287 struct scsi_qla_host *ha;
288 struct iscsi_cls_session *sess;
289 struct iscsi_cls_conn *conn;
291 uint16_t fw_ddb_index; /* DDB firmware index */
292 uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */
294 #define FLASH_DDB 0x01
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);
301 /* Driver Re-login */
302 unsigned long flags; /* DDB Flags */
303 #define DDB_CONN_CLOSE_FAILURE 0 /* 0x00000001 */
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
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
313 uint32_t default_time2wait; /* Default Min time between
314 * relogins (+aens) */
315 uint16_t chap_tbl_idx;
318 struct qla_ddb_index {
319 struct list_head list;
321 uint16_t flash_ddb_idx;
322 struct dev_db_entry fw_ddb;
323 uint8_t flash_isid[6];
326 #define DDB_IPADDR_LEN 64
328 struct ql4_tuple_ddb {
331 char ip_addr[DDB_IPADDR_LEN];
332 char iscsi_name[ISCSI_NAME_SIZE];
334 #define DDB_OPT_IPV6 0x0e0e
335 #define DDB_OPT_IPV4 0x0f0f
342 #define DDB_STATE_DEAD 0 /* We can no longer talk to
344 #define DDB_STATE_ONLINE 1 /* Device ready to accept
346 #define DDB_STATE_MISSING 2 /* Device logged off, trying
352 #define DF_RELOGIN 0 /* Relogin to device */
353 #define DF_BOOT_TGT 1 /* Boot target entry */
354 #define DF_ISNS_DISCOVERED 2 /* Device was discovered via iSNS */
355 #define DF_FO_MASKED 3
356 #define DF_DISABLE_RELOGIN 4 /* Disable relogin to device */
358 enum qla4_work_type {
360 QLA4_EVENT_PING_STATUS,
363 struct qla4_work_evt {
364 struct list_head list;
365 enum qla4_work_type type;
368 enum iscsi_host_event_code code;
381 struct 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;
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;
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;
398 uint32_t flt_iscsi_param;
399 uint32_t flt_region_chap;
400 uint32_t flt_chap_size;
401 uint32_t flt_region_ddb;
402 uint32_t flt_ddb_size;
405 struct 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;
414 #define QLA_MSIX_DEFAULT 0x00
415 #define QLA_MSIX_RSP_Q 0x01
417 #define QLA_MSIX_ENTRIES 2
418 #define QLA_MIDX_DEFAULT 0
419 #define QLA_MIDX_RSP_Q 1
421 struct ql4_msix_entry {
423 uint16_t msix_vector;
430 struct isp_operations {
431 int (*iospace_config) (struct scsi_qla_host *ha);
432 void (*pci_config) (struct scsi_qla_host *);
433 void (*disable_intrs) (struct scsi_qla_host *);
434 void (*enable_intrs) (struct scsi_qla_host *);
435 int (*start_firmware) (struct scsi_qla_host *);
436 int (*restart_firmware) (struct scsi_qla_host *);
437 irqreturn_t (*intr_handler) (int , void *);
438 void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
439 int (*need_reset) (struct scsi_qla_host *);
440 int (*reset_chip) (struct scsi_qla_host *);
441 int (*reset_firmware) (struct scsi_qla_host *);
442 void (*queue_iocb) (struct scsi_qla_host *);
443 void (*complete_iocb) (struct scsi_qla_host *);
444 uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
445 uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
446 int (*get_sys_info) (struct scsi_qla_host *);
447 uint32_t (*rd_reg_direct) (struct scsi_qla_host *, ulong);
448 void (*wr_reg_direct) (struct scsi_qla_host *, ulong, uint32_t);
449 int (*rd_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t *);
450 int (*wr_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t);
451 int (*idc_lock) (struct scsi_qla_host *);
452 void (*idc_unlock) (struct scsi_qla_host *);
453 void (*rom_lock_recovery) (struct scsi_qla_host *);
454 void (*queue_mailbox_command) (struct scsi_qla_host *, uint32_t *, int);
455 void (*process_mailbox_interrupt) (struct scsi_qla_host *, int);
458 struct ql4_mdump_size_table {
460 uint32_t size_cmask_02;
461 uint32_t size_cmask_04;
462 uint32_t size_cmask_08;
463 uint32_t size_cmask_10;
464 uint32_t size_cmask_FF;
468 /*qla4xxx ipaddress configuration details */
469 struct ipaddress_config {
470 uint16_t ipv4_options;
471 uint16_t tcp_options;
472 uint16_t ipv4_vlan_tag;
473 uint8_t ipv4_addr_state;
474 uint8_t ip_address[IP_ADDR_LEN];
475 uint8_t subnet_mask[IP_ADDR_LEN];
476 uint8_t gateway[IP_ADDR_LEN];
477 uint32_t ipv6_options;
478 uint32_t ipv6_addl_options;
479 uint8_t ipv6_link_local_state;
480 uint8_t ipv6_addr0_state;
481 uint8_t ipv6_addr1_state;
482 uint8_t ipv6_default_router_state;
483 uint16_t ipv6_vlan_tag;
484 struct in6_addr ipv6_link_local_addr;
485 struct in6_addr ipv6_addr0;
486 struct in6_addr ipv6_addr1;
487 struct in6_addr ipv6_default_router_addr;
488 uint16_t eth_mtu_size;
492 uint16_t ipv6_tcp_options;
494 uint8_t ipv6_tcp_wsf;
496 uint8_t ipv4_cache_id;
497 uint8_t ipv6_cache_id;
498 uint8_t ipv4_alt_cid_len;
499 uint8_t ipv4_alt_cid[11];
500 uint8_t ipv4_vid_len;
501 uint8_t ipv4_vid[11];
503 uint16_t ipv6_flow_lbl;
504 uint8_t ipv6_traffic_class;
505 uint8_t ipv6_hop_limit;
506 uint32_t ipv6_nd_reach_time;
507 uint32_t ipv6_nd_rexmit_timer;
508 uint32_t ipv6_nd_stale_timeout;
509 uint8_t ipv6_dup_addr_detect_count;
510 uint32_t ipv6_gw_advrt_mtu;
511 uint16_t def_timeout;
513 uint16_t iscsi_options;
514 uint16_t iscsi_max_pdu_size;
515 uint16_t iscsi_first_burst_len;
516 uint16_t iscsi_max_outstnd_r2t;
517 uint16_t iscsi_max_burst_len;
518 uint8_t iscsi_name[224];
521 #define QL4_CHAP_MAX_NAME_LEN 256
522 #define QL4_CHAP_MAX_SECRET_LEN 100
526 struct ql4_chap_format {
527 u8 intr_chap_name[QL4_CHAP_MAX_NAME_LEN];
528 u8 intr_secret[QL4_CHAP_MAX_SECRET_LEN];
529 u8 target_chap_name[QL4_CHAP_MAX_NAME_LEN];
530 u8 target_secret[QL4_CHAP_MAX_SECRET_LEN];
531 u16 intr_chap_name_length;
532 u16 intr_secret_length;
533 u16 target_chap_name_length;
534 u16 target_secret_length;
537 struct ip_address_format {
542 struct ql4_conn_info {
544 struct ip_address_format dest_ipaddr;
545 struct ql4_chap_format chap;
548 struct ql4_boot_session_info {
550 struct ql4_conn_info conn_list[1];
553 struct ql4_boot_tgt_info {
554 struct ql4_boot_session_info boot_pri_sess;
555 struct ql4_boot_session_info boot_sec_sess;
559 * Linux Host Adapter structure
561 struct scsi_qla_host {
562 /* Linux adapter configuration data */
565 #define AF_ONLINE 0 /* 0x00000001 */
566 #define AF_INIT_DONE 1 /* 0x00000002 */
567 #define AF_MBOX_COMMAND 2 /* 0x00000004 */
568 #define AF_MBOX_COMMAND_DONE 3 /* 0x00000008 */
569 #define AF_ST_DISCOVERY_IN_PROGRESS 4 /* 0x00000010 */
570 #define AF_INTERRUPTS_ON 6 /* 0x00000040 */
571 #define AF_GET_CRASH_RECORD 7 /* 0x00000080 */
572 #define AF_LINK_UP 8 /* 0x00000100 */
573 #define AF_LOOPBACK 9 /* 0x00000200 */
574 #define AF_IRQ_ATTACHED 10 /* 0x00000400 */
575 #define AF_DISABLE_ACB_COMPLETE 11 /* 0x00000800 */
576 #define AF_HA_REMOVAL 12 /* 0x00001000 */
577 #define AF_INTx_ENABLED 15 /* 0x00008000 */
578 #define AF_MSI_ENABLED 16 /* 0x00010000 */
579 #define AF_MSIX_ENABLED 17 /* 0x00020000 */
580 #define AF_MBOX_COMMAND_NOPOLL 18 /* 0x00040000 */
581 #define AF_FW_RECOVERY 19 /* 0x00080000 */
582 #define AF_EEH_BUSY 20 /* 0x00100000 */
583 #define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */
584 #define AF_BUILD_DDB_LIST 22 /* 0x00400000 */
585 #define AF_82XX_FW_DUMPED 24 /* 0x01000000 */
586 #define AF_8XXX_RST_OWNER 25 /* 0x02000000 */
587 #define AF_82XX_DUMP_READING 26 /* 0x04000000 */
588 #define AF_83XX_IOCB_INTR_ON 28 /* 0x10000000 */
589 #define AF_83XX_MBOX_INTR_ON 29 /* 0x20000000 */
591 unsigned long dpc_flags;
593 #define DPC_RESET_HA 1 /* 0x00000002 */
594 #define DPC_RETRY_RESET_HA 2 /* 0x00000004 */
595 #define DPC_RELOGIN_DEVICE 3 /* 0x00000008 */
596 #define DPC_RESET_HA_FW_CONTEXT 4 /* 0x00000010 */
597 #define DPC_RESET_HA_INTR 5 /* 0x00000020 */
598 #define DPC_ISNS_RESTART 7 /* 0x00000080 */
599 #define DPC_AEN 9 /* 0x00000200 */
600 #define DPC_GET_DHCP_IP_ADDR 15 /* 0x00008000 */
601 #define DPC_LINK_CHANGED 18 /* 0x00040000 */
602 #define DPC_RESET_ACTIVE 20 /* 0x00100000 */
603 #define DPC_HA_UNRECOVERABLE 21 /* 0x00200000 ISP-82xx only*/
604 #define DPC_HA_NEED_QUIESCENT 22 /* 0x00400000 ISP-82xx only*/
605 #define DPC_POST_IDC_ACK 23 /* 0x00800000 */
606 #define DPC_RESTORE_ACB 24 /* 0x01000000 */
607 #define DPC_SYSFS_DDB_EXPORT 25 /* 0x02000000 */
609 struct Scsi_Host *host; /* pointer to host data */
616 #define SRB_MIN_REQ 128
617 mempool_t *srb_mempool;
619 /* pci information */
620 struct pci_dev *pdev;
622 struct isp_reg __iomem *reg; /* Base I/O address */
623 unsigned long pio_address;
624 unsigned long pio_length;
625 #define MIN_IOBASE_LEN 0x100
627 uint16_t req_q_count;
629 unsigned long host_no;
631 /* NVRAM registers */
632 struct eeprom_data *nvram;
633 spinlock_t hardware_lock ____cacheline_aligned;
634 uint32_t eeprom_cmd_data;
636 /* Counters for general statistics */
638 uint64_t adapter_error_count;
639 uint64_t device_error_count;
640 uint64_t total_io_count;
641 uint64_t total_mbytes_xferred;
642 uint64_t link_failure_count;
643 uint64_t invalid_crc_count;
644 uint32_t bytes_xfered;
645 uint32_t spurious_int_count;
646 uint32_t aborted_io_count;
647 uint32_t io_timeout_count;
648 uint32_t mailbox_timeout_count;
649 uint32_t seconds_since_last_intr;
650 uint32_t seconds_since_last_heartbeat;
653 /* Info Needed for Management App */
654 /* --- From GetFwVersion --- */
655 uint32_t firmware_version[2];
656 uint32_t patch_number;
657 uint32_t build_number;
660 /* --- From Init_FW --- */
661 /* init_cb_t *init_cb; */
662 uint16_t firmware_options;
664 uint8_t name_string[256];
665 uint8_t heartbeat_interval;
667 /* --- From FlashSysInfo --- */
668 uint8_t my_mac[MAC_ADDR_LEN];
669 uint8_t serial_number[16];
671 /* --- From GetFwState --- */
672 uint32_t firmware_state;
673 uint32_t addl_fw_state;
675 /* Linux kernel thread */
676 struct workqueue_struct *dpc_thread;
677 struct work_struct dpc_work;
679 /* Linux timer thread */
680 struct timer_list timer;
681 uint32_t timer_active;
683 /* Recovery Timers */
684 atomic_t check_relogin_timeouts;
685 uint32_t retry_reset_ha_cnt;
686 uint32_t isp_reset_timer; /* reset test timer */
687 uint32_t nic_reset_timer; /* simulated nic reset test timer */
689 struct list_head free_srb_q;
690 uint16_t free_srb_q_count;
691 uint16_t num_srbs_allocated;
693 /* DMA Memory Block */
695 dma_addr_t queues_dma;
696 unsigned long queues_len;
698 #define MEM_ALIGN_VALUE \
699 ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \
700 sizeof(struct queue_entry))
701 /* request and response queue variables */
702 dma_addr_t request_dma;
703 struct queue_entry *request_ring;
704 struct queue_entry *request_ptr;
705 dma_addr_t response_dma;
706 struct queue_entry *response_ring;
707 struct queue_entry *response_ptr;
708 dma_addr_t shadow_regs_dma;
709 struct shadow_regs *shadow_regs;
710 uint16_t request_in; /* Current indexes. */
711 uint16_t request_out;
712 uint16_t response_in;
713 uint16_t response_out;
715 /* aen queue variables */
716 uint16_t aen_q_count; /* Number of available aen_q entries */
717 uint16_t aen_in; /* Current indexes */
719 struct aen aen_q[MAX_AEN_ENTRIES];
721 struct ql4_aen_log aen_log;/* tracks all aens */
723 /* This mutex protects several threads to do mailbox commands
726 struct mutex mbox_sem;
728 /* temporary mailbox status registers */
729 volatile uint8_t mbox_status_count;
730 volatile uint32_t mbox_status[MBOX_REG_COUNT];
732 /* FW ddb index map */
733 struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
735 /* Saved srb for status continuation entry processing */
736 struct srb *status_srb;
740 /* qla82xx specific fields */
741 struct device_reg_82xx __iomem *qla4_82xx_reg; /* Base I/O address */
742 unsigned long nx_pcibase; /* Base I/O address */
743 uint8_t *nx_db_rd_ptr; /* Doorbell read pointer */
744 unsigned long nx_db_wr_ptr; /* Door bell write pointer */
745 unsigned long first_page_group_start;
746 unsigned long first_page_group_end;
749 uint32_t curr_window;
750 uint32_t ddr_mn_window;
751 unsigned long mn_win_crb;
752 unsigned long ms_win_crb;
758 struct qla4_8xxx_legacy_intr_set nx_legacy_intr;
762 uint32_t fw_heartbeat_counter;
764 struct isp_operations *isp_ops;
765 struct ql82xx_hw_data hw;
767 struct ql4_msix_entry msix_entries[QLA_MSIX_ENTRIES];
769 uint32_t nx_dev_init_timeout;
770 uint32_t nx_reset_timeout;
772 uint32_t fw_dump_size;
773 uint32_t fw_dump_capture_mask;
774 void *fw_dump_tmplt_hdr;
775 uint32_t fw_dump_tmplt_size;
776 uint32_t fw_dump_skip_size;
778 struct completion mbx_intr_comp;
780 struct ipaddress_config ip_config;
781 struct iscsi_iface *iface_ipv4;
782 struct iscsi_iface *iface_ipv6_0;
783 struct iscsi_iface *iface_ipv6_1;
785 /* --- From About Firmware --- */
786 struct about_fw_info fw_info;
787 uint32_t fw_uptime_secs; /* seconds elapsed since fw bootup */
788 uint32_t fw_uptime_msecs; /* milliseconds beyond elapsed seconds */
789 uint16_t def_timeout; /* Default login timeout */
791 uint32_t flash_state;
792 #define QLFLASH_WAITING 0
793 #define QLFLASH_READING 1
794 #define QLFLASH_WRITING 2
795 struct dma_pool *chap_dma_pool;
796 uint8_t *chap_list; /* CHAP table cache */
797 struct mutex chap_sem;
799 #define CHAP_DMA_BLOCK_SIZE 512
800 struct workqueue_struct *task_wq;
801 unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
802 #define SYSFS_FLAG_FW_SEL_BOOT 2
803 struct iscsi_boot_kset *boot_kset;
804 struct ql4_boot_tgt_info boot_tgt;
805 uint16_t phy_port_num;
806 uint16_t phy_port_cnt;
807 uint16_t iscsi_pci_func_cnt;
808 uint8_t model_name[16];
809 struct completion disable_acb_comp;
810 struct dma_pool *fw_ddb_dma_pool;
811 #define DDB_DMA_BLOCK_SIZE 512
812 uint16_t pri_ddb_idx;
813 uint16_t sec_ddb_idx;
815 uint16_t temperature;
817 /* event work list */
818 struct list_head work_list;
819 spinlock_t work_lock;
823 struct mrb *active_mrb_array[MAX_MRB];
827 struct qla4_83xx_reset_template reset_tmplt;
828 struct device_reg_83xx __iomem *qla4_83xx_reg; /* Base I/O address
832 struct qla4_83xx_idc_information idc_info;
833 struct addr_ctrl_blk *saved_acb;
835 int notify_link_up_comp;
837 struct completion idc_comp;
838 struct completion link_up_comp;
841 struct ql4_task_data {
842 struct scsi_qla_host *ha;
843 uint8_t iocb_req_cnt;
851 struct iscsi_task *task;
852 struct passthru_status sts;
853 struct work_struct task_work;
856 struct qla_endpoint {
857 struct Scsi_Host *host;
858 struct sockaddr_storage dst_addr;
862 struct qla_endpoint *qla_ep;
865 static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
867 return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0);
870 static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
872 return ((ha->ip_config.ipv6_options &
873 IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
876 static inline int is_qla4010(struct scsi_qla_host *ha)
878 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
881 static inline int is_qla4022(struct scsi_qla_host *ha)
883 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
886 static inline int is_qla4032(struct scsi_qla_host *ha)
888 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
891 static inline int is_qla40XX(struct scsi_qla_host *ha)
893 return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha);
896 static inline int is_qla8022(struct scsi_qla_host *ha)
898 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
901 static inline int is_qla8032(struct scsi_qla_host *ha)
903 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324;
906 static inline int is_qla8042(struct scsi_qla_host *ha)
908 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042;
911 static inline int is_qla80XX(struct scsi_qla_host *ha)
913 return is_qla8022(ha) || is_qla8032(ha) || is_qla8042(ha);
916 static inline int is_aer_supported(struct scsi_qla_host *ha)
918 return ((ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022) ||
919 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324) ||
920 (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042));
923 static inline int adapter_up(struct scsi_qla_host *ha)
925 return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
926 (test_bit(AF_LINK_UP, &ha->flags) != 0) &&
927 (!test_bit(AF_LOOPBACK, &ha->flags));
930 static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
932 return (struct scsi_qla_host *)iscsi_host_priv(shost);
935 static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
937 return (is_qla4010(ha) ?
938 &ha->reg->u1.isp4010.nvram :
939 &ha->reg->u1.isp4022.semaphore);
942 static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
944 return (is_qla4010(ha) ?
945 &ha->reg->u1.isp4010.nvram :
946 &ha->reg->u1.isp4022.nvram);
949 static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
951 return (is_qla4010(ha) ?
952 &ha->reg->u2.isp4010.ext_hw_conf :
953 &ha->reg->u2.isp4022.p0.ext_hw_conf);
956 static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
958 return (is_qla4010(ha) ?
959 &ha->reg->u2.isp4010.port_status :
960 &ha->reg->u2.isp4022.p0.port_status);
963 static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
965 return (is_qla4010(ha) ?
966 &ha->reg->u2.isp4010.port_ctrl :
967 &ha->reg->u2.isp4022.p0.port_ctrl);
970 static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
972 return (is_qla4010(ha) ?
973 &ha->reg->u2.isp4010.port_err_status :
974 &ha->reg->u2.isp4022.p0.port_err_status);
977 static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
979 return (is_qla4010(ha) ?
980 &ha->reg->u2.isp4010.gp_out :
981 &ha->reg->u2.isp4022.p0.gp_out);
984 static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
986 return (is_qla4010(ha) ?
987 offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
988 offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
991 int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
992 void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask);
993 int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
995 static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
998 return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
999 QL4010_FLASH_SEM_BITS);
1001 return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
1002 (QL4022_RESOURCE_BITS_BASE_CODE |
1003 (a->mac_index)) << 13);
1006 static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
1009 ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
1011 ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
1014 static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
1017 return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
1018 QL4010_NVRAM_SEM_BITS);
1020 return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
1021 (QL4022_RESOURCE_BITS_BASE_CODE |
1022 (a->mac_index)) << 10);
1025 static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
1028 ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
1030 ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
1033 static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
1036 return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
1037 QL4010_DRVR_SEM_BITS);
1039 return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
1040 (QL4022_RESOURCE_BITS_BASE_CODE |
1041 (a->mac_index)) << 1);
1044 static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
1047 ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
1049 ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
1052 static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
1054 return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
1055 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
1056 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
1057 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
1058 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
1059 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
1063 static inline int qla4_8xxx_rd_direct(struct scsi_qla_host *ha,
1064 const uint32_t crb_reg)
1066 return ha->isp_ops->rd_reg_direct(ha, ha->reg_tbl[crb_reg]);
1069 static inline void qla4_8xxx_wr_direct(struct scsi_qla_host *ha,
1070 const uint32_t crb_reg,
1071 const uint32_t value)
1073 ha->isp_ops->wr_reg_direct(ha, ha->reg_tbl[crb_reg], value);
1076 /*---------------------------------------------------------------------------*/
1078 /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
1080 #define INIT_ADAPTER 0
1081 #define RESET_ADAPTER 1
1083 #define PRESERVE_DDB_LIST 0
1084 #define REBUILD_DDB_LIST 1
1086 /* Defines for process_aen() */
1087 #define PROCESS_ALL_AENS 0
1088 #define FLUSH_DDB_CHANGED_AENS 1
1090 /* Defines for udev events */
1091 #define QL4_UEVENT_CODE_FW_DUMP 0
1093 #endif /*_QLA4XXX_H */