1 /*
2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2010 QLogic Corporation
4 *
5 * See LICENSE.qla4xxx for copyright and licensing details.
6 */
7
8 #ifndef __QL4_DEF_H
9 #define __QL4_DEF_H
10
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/types.h>
14 #include <linux/module.h>
15 #include <linux/list.h>
16 #include <linux/pci.h>
17 #include <linux/dma-mapping.h>
18 #include <linux/sched.h>
19 #include <linux/slab.h>
20 #include <linux/dmapool.h>
21 #include <linux/mempool.h>
22 #include <linux/spinlock.h>
23 #include <linux/workqueue.h>
24 #include <linux/delay.h>
25 #include <linux/interrupt.h>
26 #include <linux/mutex.h>
27 #include <linux/aer.h>
28
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
37 #include "ql4_dbg.h"
38 #include "ql4_nx.h"
39
40 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
41 #define PCI_DEVICE_ID_QLOGIC_ISP4010 0x4010
42 #endif
43
44 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4022
45 #define PCI_DEVICE_ID_QLOGIC_ISP4022 0x4022
46 #endif
47
48 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
49 #define PCI_DEVICE_ID_QLOGIC_ISP4032 0x4032
50 #endif
51
52 #ifndef PCI_DEVICE_ID_QLOGIC_ISP8022
53 #define PCI_DEVICE_ID_QLOGIC_ISP8022 0x8022
54 #endif
55
56 #define ISP4XXX_PCI_FN_1 0x1
57 #define ISP4XXX_PCI_FN_2 0x3
58
59 #define QLA_SUCCESS 0
60 #define QLA_ERROR 1
61
62 /*
63 * Data bit definitions
64 */
65 #define BIT_0 0x1
66 #define BIT_1 0x2
67 #define BIT_2 0x4
68 #define BIT_3 0x8
69 #define BIT_4 0x10
70 #define BIT_5 0x20
71 #define BIT_6 0x40
72 #define BIT_7 0x80
73 #define BIT_8 0x100
74 #define BIT_9 0x200
75 #define BIT_10 0x400
76 #define BIT_11 0x800
77 #define BIT_12 0x1000
78 #define BIT_13 0x2000
79 #define BIT_14 0x4000
80 #define BIT_15 0x8000
81 #define BIT_16 0x10000
82 #define BIT_17 0x20000
83 #define BIT_18 0x40000
84 #define BIT_19 0x80000
85 #define BIT_20 0x100000
86 #define BIT_21 0x200000
87 #define BIT_22 0x400000
88 #define BIT_23 0x800000
89 #define BIT_24 0x1000000
90 #define BIT_25 0x2000000
91 #define BIT_26 0x4000000
92 #define BIT_27 0x8000000
93 #define BIT_28 0x10000000
94 #define BIT_29 0x20000000
95 #define BIT_30 0x40000000
96 #define BIT_31 0x80000000
97
98 /**
99 * Macros to help code, maintain, etc.
100 **/
101 #define ql4_printk(level, ha, format, arg...) \
102 dev_printk(level , &((ha)->pdev->dev) , format , ## arg)
103
104
105 /*
106 * Host adapter default definitions
107 ***********************************/
108 #define MAX_HBAS 16
109 #define MAX_BUSES 1
110 #define MAX_TARGETS MAX_DEV_DB_ENTRIES
111 #define MAX_LUNS 0xffff
112 #define MAX_AEN_ENTRIES 256 /* should be > EXT_DEF_MAX_AEN_QUEUE */
113 #define MAX_DDB_ENTRIES MAX_DEV_DB_ENTRIES
114 #define MAX_PDU_ENTRIES 32
115 #define INVALID_ENTRY 0xFFFF
116 #define MAX_CMDS_TO_RISC 1024
117 #define MAX_SRBS MAX_CMDS_TO_RISC
118 #define MBOX_AEN_REG_COUNT 5
119 #define MAX_INIT_RETRIES 5
120
121 /*
122 * Buffer sizes
123 */
124 #define REQUEST_QUEUE_DEPTH MAX_CMDS_TO_RISC
125 #define RESPONSE_QUEUE_DEPTH 64
126 #define QUEUE_SIZE 64
127 #define DMA_BUFFER_SIZE 512
128
129 /*
130 * Misc
131 */
132 #define MAC_ADDR_LEN 6 /* in bytes */
133 #define IP_ADDR_LEN 4 /* in bytes */
134 #define IPv6_ADDR_LEN 16 /* IPv6 address size */
135 #define DRIVER_NAME "qla4xxx"
136
137 #define MAX_LINKED_CMDS_PER_LUN 3
138 #define MAX_REQS_SERVICED_PER_INTR 1
139
140 #define ISCSI_IPADDR_SIZE 4 /* IP address size */
141 #define ISCSI_ALIAS_SIZE 32 /* ISCSI Alias name size */
142 #define ISCSI_NAME_SIZE 0xE0 /* ISCSI Name size */
143
144 #define QL4_SESS_RECOVERY_TMO 30 /* iSCSI session */
145 /* recovery timeout */
146
147 #define LSDW(x) ((u32)((u64)(x)))
148 #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
149
150 /*
151 * Retry & Timeout Values
152 */
153 #define MBOX_TOV 60
154 #define SOFT_RESET_TOV 30
155 #define RESET_INTR_TOV 3
156 #define SEMAPHORE_TOV 10
157 #define ADAPTER_INIT_TOV 30
158 #define ADAPTER_RESET_TOV 180
159 #define EXTEND_CMD_TOV 60
160 #define WAIT_CMD_TOV 30
161 #define EH_WAIT_CMD_TOV 120
162 #define FIRMWARE_UP_TOV 60
163 #define RESET_FIRMWARE_TOV 30
164 #define LOGOUT_TOV 10
165 #define IOCB_TOV_MARGIN 10
166 #define RELOGIN_TOV 18
167 #define ISNS_DEREG_TOV 5
168 #define HBA_ONLINE_TOV 30
169
170 #define MAX_RESET_HA_RETRIES 2
171
172 #define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr)
173
174 /*
175 * SCSI Request Block structure (srb) that is placed
176 * on cmd->SCp location of every I/O [We have 22 bytes available]
177 */
178 struct srb {
179 struct list_head list; /* (8) */
180 struct scsi_qla_host *ha; /* HA the SP is queued on */
181 struct ddb_entry *ddb;
182 uint16_t flags; /* (1) Status flags. */
183
184 #define SRB_DMA_VALID BIT_3 /* DMA Buffer mapped. */
185 #define SRB_GOT_SENSE BIT_4 /* sense data received. */
186 uint8_t state; /* (1) Status flags. */
187
188 #define SRB_NO_QUEUE_STATE 0 /* Request is in between states */
189 #define SRB_FREE_STATE 1
190 #define SRB_ACTIVE_STATE 3
191 #define SRB_ACTIVE_TIMEOUT_STATE 4
192 #define SRB_SUSPENDED_STATE 7 /* Request in suspended state */
193
194 struct scsi_cmnd *cmd; /* (4) SCSI command block */
195 dma_addr_t dma_handle; /* (4) for unmap of single transfers */
196 struct kref srb_ref; /* reference count for this srb */
197 uint8_t err_id; /* error id */
198 #define SRB_ERR_PORT 1 /* Request failed because "port down" */
199 #define SRB_ERR_LOOP 2 /* Request failed because "loop down" */
200 #define SRB_ERR_DEVICE 3 /* Request failed because "device error" */
201 #define SRB_ERR_OTHER 4
202
203 uint16_t reserved;
204 uint16_t iocb_tov;
205 uint16_t iocb_cnt; /* Number of used iocbs */
206 uint16_t cc_stat;
207
208 /* Used for extended sense / status continuation */
209 uint8_t *req_sense_ptr;
210 uint16_t req_sense_len;
211 uint16_t reserved2;
212 };
213
214 /*
215 * Asynchronous Event Queue structure
216 */
217 struct aen {
218 uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
219 };
220
221 struct ql4_aen_log {
222 int count;
223 struct aen entry[MAX_AEN_ENTRIES];
224 };
225
226 /*
227 * Device Database (DDB) structure
228 */
229 struct ddb_entry {
230 struct list_head list; /* ddb list */
231 struct scsi_qla_host *ha;
232 struct iscsi_cls_session *sess;
233 struct iscsi_cls_conn *conn;
234
235 atomic_t state; /* DDB State */
236
237 unsigned long flags; /* DDB Flags */
238
239 uint16_t fw_ddb_index; /* DDB firmware index */
240 uint16_t options;
241 uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */
242
243 uint32_t CmdSn;
244 uint16_t target_session_id;
245 uint16_t connection_id;
246 uint16_t exe_throttle; /* Max mumber of cmds outstanding
247 * simultaneously */
248 uint16_t task_mgmt_timeout; /* Min time for task mgmt cmds to
249 * complete */
250 uint16_t default_relogin_timeout; /* Max time to wait for
251 * relogin to complete */
252 uint16_t tcp_source_port_num;
253 uint32_t default_time2wait; /* Default Min time between
254 * relogins (+aens) */
255
256 atomic_t retry_relogin_timer; /* Min Time between relogins
257 * (4000 only) */
258 atomic_t relogin_timer; /* Max Time to wait for relogin to complete */
259 atomic_t relogin_retry_count; /* Num of times relogin has been
260 * retried */
261
262 uint16_t port;
263 uint32_t tpgt;
264 uint8_t ip_addr[IP_ADDR_LEN];
265 uint8_t iscsi_name[ISCSI_NAME_SIZE]; /* 72 x48 */
266 uint8_t iscsi_alias[0x20];
267 uint8_t isid[6];
268 uint16_t iscsi_max_burst_len;
269 uint16_t iscsi_max_outsnd_r2t;
270 uint16_t iscsi_first_burst_len;
271 uint16_t iscsi_max_rcv_data_seg_len;
272 uint16_t iscsi_max_snd_data_seg_len;
273
274 struct in6_addr remote_ipv6_addr;
275 struct in6_addr link_local_ipv6_addr;
276 };
277
278 /*
279 * DDB states.
280 */
281 #define DDB_STATE_DEAD 0 /* We can no longer talk to
282 * this device */
283 #define DDB_STATE_ONLINE 1 /* Device ready to accept
284 * commands */
285 #define DDB_STATE_MISSING 2 /* Device logged off, trying
286 * to re-login */
287
288 /*
289 * DDB flags.
290 */
291 #define DF_RELOGIN 0 /* Relogin to device */
292 #define DF_ISNS_DISCOVERED 2 /* Device was discovered via iSNS */
293 #define DF_FO_MASKED 3
294
295
296 #include "ql4_fw.h"
297 #include "ql4_nvram.h"
298
299 struct ql82xx_hw_data {
300 /* Offsets for flash/nvram access (set to ~0 if not used). */
301 uint32_t flash_conf_off;
302 uint32_t flash_data_off;
303
304 uint32_t fdt_wrt_disable;
305 uint32_t fdt_erase_cmd;
306 uint32_t fdt_block_size;
307 uint32_t fdt_unprotect_sec_cmd;
308 uint32_t fdt_protect_sec_cmd;
309
310 uint32_t flt_region_flt;
311 uint32_t flt_region_fdt;
312 uint32_t flt_region_boot;
313 uint32_t flt_region_bootload;
314 uint32_t flt_region_fw;
315 uint32_t reserved;
316 };
317
318 struct qla4_8xxx_legacy_intr_set {
319 uint32_t int_vec_bit;
320 uint32_t tgt_status_reg;
321 uint32_t tgt_mask_reg;
322 uint32_t pci_int_reg;
323 };
324
325 /* MSI-X Support */
326
327 #define QLA_MSIX_DEFAULT 0x00
328 #define QLA_MSIX_RSP_Q 0x01
329
330 #define QLA_MSIX_ENTRIES 2
331 #define QLA_MIDX_DEFAULT 0
332 #define QLA_MIDX_RSP_Q 1
333
334 struct ql4_msix_entry {
335 int have_irq;
336 uint16_t msix_vector;
337 uint16_t msix_entry;
338 };
339
340 /*
341 * ISP Operations
342 */
343 struct isp_operations {
344 int (*iospace_config) (struct scsi_qla_host *ha);
345 void (*pci_config) (struct scsi_qla_host *);
346 void (*disable_intrs) (struct scsi_qla_host *);
347 void (*enable_intrs) (struct scsi_qla_host *);
348 int (*start_firmware) (struct scsi_qla_host *);
349 irqreturn_t (*intr_handler) (int , void *);
350 void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
351 int (*reset_chip) (struct scsi_qla_host *);
352 int (*reset_firmware) (struct scsi_qla_host *);
353 void (*queue_iocb) (struct scsi_qla_host *);
354 void (*complete_iocb) (struct scsi_qla_host *);
355 uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
356 uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
357 int (*get_sys_info) (struct scsi_qla_host *);
358 };
359
360 /*
361 * Linux Host Adapter structure
362 */
363 struct scsi_qla_host {
364 /* Linux adapter configuration data */
365 unsigned long flags;
366
367 #define AF_ONLINE 0 /* 0x00000001 */
368 #define AF_INIT_DONE 1 /* 0x00000002 */
369 #define AF_MBOX_COMMAND 2 /* 0x00000004 */
370 #define AF_MBOX_COMMAND_DONE 3 /* 0x00000008 */
371 #define AF_DPC_SCHEDULED 5 /* 0x00000020 */
372 #define AF_INTERRUPTS_ON 6 /* 0x00000040 */
373 #define AF_GET_CRASH_RECORD 7 /* 0x00000080 */
374 #define AF_LINK_UP 8 /* 0x00000100 */
375 #define AF_IRQ_ATTACHED 10 /* 0x00000400 */
376 #define AF_DISABLE_ACB_COMPLETE 11 /* 0x00000800 */
377 #define AF_HA_REMOVAL 12 /* 0x00001000 */
378 #define AF_INTx_ENABLED 15 /* 0x00008000 */
379 #define AF_MSI_ENABLED 16 /* 0x00010000 */
380 #define AF_MSIX_ENABLED 17 /* 0x00020000 */
381 #define AF_MBOX_COMMAND_NOPOLL 18 /* 0x00040000 */
382 #define AF_FW_RECOVERY 19 /* 0x00080000 */
383 #define AF_EEH_BUSY 20 /* 0x00100000 */
384 #define AF_PCI_CHANNEL_IO_PERM_FAILURE 21 /* 0x00200000 */
385
386 unsigned long dpc_flags;
387
388 #define DPC_RESET_HA 1 /* 0x00000002 */
389 #define DPC_RETRY_RESET_HA 2 /* 0x00000004 */
390 #define DPC_RELOGIN_DEVICE 3 /* 0x00000008 */
391 #define DPC_RESET_HA_FW_CONTEXT 4 /* 0x00000010 */
392 #define DPC_RESET_HA_INTR 5 /* 0x00000020 */
393 #define DPC_ISNS_RESTART 7 /* 0x00000080 */
394 #define DPC_AEN 9 /* 0x00000200 */
395 #define DPC_GET_DHCP_IP_ADDR 15 /* 0x00008000 */
396 #define DPC_LINK_CHANGED 18 /* 0x00040000 */
397 #define DPC_RESET_ACTIVE 20 /* 0x00040000 */
398 #define DPC_HA_UNRECOVERABLE 21 /* 0x00080000 ISP-82xx only*/
399 #define DPC_HA_NEED_QUIESCENT 22 /* 0x00100000 ISP-82xx only*/
400
401
402 struct Scsi_Host *host; /* pointer to host data */
403 uint32_t tot_ddbs;
404
405 uint16_t iocb_cnt;
406
407 /* SRB cache. */
408 #define SRB_MIN_REQ 128
409 mempool_t *srb_mempool;
410
411 /* pci information */
412 struct pci_dev *pdev;
413
414 struct isp_reg __iomem *reg; /* Base I/O address */
415 unsigned long pio_address;
416 unsigned long pio_length;
417 #define MIN_IOBASE_LEN 0x100
418
419 uint16_t req_q_count;
420
421 unsigned long host_no;
422
423 /* NVRAM registers */
424 struct eeprom_data *nvram;
425 spinlock_t hardware_lock ____cacheline_aligned;
426 uint32_t eeprom_cmd_data;
427
428 /* Counters for general statistics */
429 uint64_t isr_count;
430 uint64_t adapter_error_count;
431 uint64_t device_error_count;
432 uint64_t total_io_count;
433 uint64_t total_mbytes_xferred;
434 uint64_t link_failure_count;
435 uint64_t invalid_crc_count;
436 uint32_t bytes_xfered;
437 uint32_t spurious_int_count;
438 uint32_t aborted_io_count;
439 uint32_t io_timeout_count;
440 uint32_t mailbox_timeout_count;
441 uint32_t seconds_since_last_intr;
442 uint32_t seconds_since_last_heartbeat;
443 uint32_t mac_index;
444
445 /* Info Needed for Management App */
446 /* --- From GetFwVersion --- */
447 uint32_t firmware_version[2];
448 uint32_t patch_number;
449 uint32_t build_number;
450 uint32_t board_id;
451
452 /* --- From Init_FW --- */
453 /* init_cb_t *init_cb; */
454 uint16_t firmware_options;
455 uint16_t tcp_options;
456 uint8_t ip_address[IP_ADDR_LEN];
457 uint8_t subnet_mask[IP_ADDR_LEN];
458 uint8_t gateway[IP_ADDR_LEN];
459 uint8_t alias[32];
460 uint8_t name_string[256];
461 uint8_t heartbeat_interval;
462
463 /* --- From FlashSysInfo --- */
464 uint8_t my_mac[MAC_ADDR_LEN];
465 uint8_t serial_number[16];
466
467 /* --- From GetFwState --- */
468 uint32_t firmware_state;
469 uint32_t addl_fw_state;
470
471 /* Linux kernel thread */
472 struct workqueue_struct *dpc_thread;
473 struct work_struct dpc_work;
474
475 /* Linux timer thread */
476 struct timer_list timer;
477 uint32_t timer_active;
478
479 /* Recovery Timers */
480 atomic_t check_relogin_timeouts;
481 uint32_t retry_reset_ha_cnt;
482 uint32_t isp_reset_timer; /* reset test timer */
483 uint32_t nic_reset_timer; /* simulated nic reset test timer */
484 int eh_start;
485 struct list_head free_srb_q;
486 uint16_t free_srb_q_count;
487 uint16_t num_srbs_allocated;
488
489 /* DMA Memory Block */
490 void *queues;
491 dma_addr_t queues_dma;
492 unsigned long queues_len;
493
494 #define MEM_ALIGN_VALUE \
495 ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \
496 sizeof(struct queue_entry))
497 /* request and response queue variables */
498 dma_addr_t request_dma;
499 struct queue_entry *request_ring;
500 struct queue_entry *request_ptr;
501 dma_addr_t response_dma;
502 struct queue_entry *response_ring;
503 struct queue_entry *response_ptr;
504 dma_addr_t shadow_regs_dma;
505 struct shadow_regs *shadow_regs;
506 uint16_t request_in; /* Current indexes. */
507 uint16_t request_out;
508 uint16_t response_in;
509 uint16_t response_out;
510
511 /* aen queue variables */
512 uint16_t aen_q_count; /* Number of available aen_q entries */
513 uint16_t aen_in; /* Current indexes */
514 uint16_t aen_out;
515 struct aen aen_q[MAX_AEN_ENTRIES];
516
517 struct ql4_aen_log aen_log;/* tracks all aens */
518
519 /* This mutex protects several threads to do mailbox commands
520 * concurrently.
521 */
522 struct mutex mbox_sem;
523
524 /* temporary mailbox status registers */
525 volatile uint8_t mbox_status_count;
526 volatile uint32_t mbox_status[MBOX_REG_COUNT];
527
528 /* local device database list (contains internal ddb entries) */
529 struct list_head ddb_list;
530
531 /* Map ddb_list entry by FW ddb index */
532 struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
533
534 /* Saved srb for status continuation entry processing */
535 struct srb *status_srb;
536
537 /* IPv6 support info from InitFW */
538 uint8_t acb_version;
539 uint8_t ipv4_addr_state;
540 uint16_t ipv4_options;
541
542 uint32_t resvd2;
543 uint32_t ipv6_options;
544 uint32_t ipv6_addl_options;
545 uint8_t ipv6_link_local_state;
546 uint8_t ipv6_addr0_state;
547 uint8_t ipv6_addr1_state;
548 uint8_t ipv6_default_router_state;
549 struct in6_addr ipv6_link_local_addr;
550 struct in6_addr ipv6_addr0;
551 struct in6_addr ipv6_addr1;
552 struct in6_addr ipv6_default_router_addr;
553
554 /* qla82xx specific fields */
555 struct device_reg_82xx __iomem *qla4_8xxx_reg; /* Base I/O address */
556 unsigned long nx_pcibase; /* Base I/O address */
557 uint8_t *nx_db_rd_ptr; /* Doorbell read pointer */
558 unsigned long nx_db_wr_ptr; /* Door bell write pointer */
559 unsigned long first_page_group_start;
560 unsigned long first_page_group_end;
561
562 uint32_t crb_win;
563 uint32_t curr_window;
564 uint32_t ddr_mn_window;
565 unsigned long mn_win_crb;
566 unsigned long ms_win_crb;
567 int qdr_sn_window;
568 rwlock_t hw_lock;
569 uint16_t func_num;
570 int link_width;
571
572 struct qla4_8xxx_legacy_intr_set nx_legacy_intr;
573 u32 nx_crb_mask;
574
575 uint8_t revision_id;
576 uint32_t fw_heartbeat_counter;
577
578 struct isp_operations *isp_ops;
579 struct ql82xx_hw_data hw;
580
581 struct ql4_msix_entry msix_entries[QLA_MSIX_ENTRIES];
582
583 uint32_t nx_dev_init_timeout;
584 uint32_t nx_reset_timeout;
585
586 struct completion mbx_intr_comp;
587 };
588
is_ipv4_enabled(struct scsi_qla_host * ha)589 static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
590 {
591 return ((ha->ipv4_options & IPOPT_IPv4_PROTOCOL_ENABLE) != 0);
592 }
593
is_ipv6_enabled(struct scsi_qla_host * ha)594 static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
595 {
596 return ((ha->ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
597 }
598
is_qla4010(struct scsi_qla_host * ha)599 static inline int is_qla4010(struct scsi_qla_host *ha)
600 {
601 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
602 }
603
is_qla4022(struct scsi_qla_host * ha)604 static inline int is_qla4022(struct scsi_qla_host *ha)
605 {
606 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
607 }
608
is_qla4032(struct scsi_qla_host * ha)609 static inline int is_qla4032(struct scsi_qla_host *ha)
610 {
611 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
612 }
613
is_qla8022(struct scsi_qla_host * ha)614 static inline int is_qla8022(struct scsi_qla_host *ha)
615 {
616 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
617 }
618
619 /* Note: Currently AER/EEH is now supported only for 8022 cards
620 * This function needs to be updated when AER/EEH is enabled
621 * for other cards.
622 */
is_aer_supported(struct scsi_qla_host * ha)623 static inline int is_aer_supported(struct scsi_qla_host *ha)
624 {
625 return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
626 }
627
adapter_up(struct scsi_qla_host * ha)628 static inline int adapter_up(struct scsi_qla_host *ha)
629 {
630 return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
631 (test_bit(AF_LINK_UP, &ha->flags) != 0);
632 }
633
to_qla_host(struct Scsi_Host * shost)634 static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
635 {
636 return (struct scsi_qla_host *)shost->hostdata;
637 }
638
isp_semaphore(struct scsi_qla_host * ha)639 static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
640 {
641 return (is_qla4010(ha) ?
642 &ha->reg->u1.isp4010.nvram :
643 &ha->reg->u1.isp4022.semaphore);
644 }
645
isp_nvram(struct scsi_qla_host * ha)646 static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
647 {
648 return (is_qla4010(ha) ?
649 &ha->reg->u1.isp4010.nvram :
650 &ha->reg->u1.isp4022.nvram);
651 }
652
isp_ext_hw_conf(struct scsi_qla_host * ha)653 static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
654 {
655 return (is_qla4010(ha) ?
656 &ha->reg->u2.isp4010.ext_hw_conf :
657 &ha->reg->u2.isp4022.p0.ext_hw_conf);
658 }
659
isp_port_status(struct scsi_qla_host * ha)660 static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
661 {
662 return (is_qla4010(ha) ?
663 &ha->reg->u2.isp4010.port_status :
664 &ha->reg->u2.isp4022.p0.port_status);
665 }
666
isp_port_ctrl(struct scsi_qla_host * ha)667 static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
668 {
669 return (is_qla4010(ha) ?
670 &ha->reg->u2.isp4010.port_ctrl :
671 &ha->reg->u2.isp4022.p0.port_ctrl);
672 }
673
isp_port_error_status(struct scsi_qla_host * ha)674 static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
675 {
676 return (is_qla4010(ha) ?
677 &ha->reg->u2.isp4010.port_err_status :
678 &ha->reg->u2.isp4022.p0.port_err_status);
679 }
680
isp_gp_out(struct scsi_qla_host * ha)681 static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
682 {
683 return (is_qla4010(ha) ?
684 &ha->reg->u2.isp4010.gp_out :
685 &ha->reg->u2.isp4022.p0.gp_out);
686 }
687
eeprom_ext_hw_conf_offset(struct scsi_qla_host * ha)688 static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
689 {
690 return (is_qla4010(ha) ?
691 offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
692 offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
693 }
694
695 int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
696 void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask);
697 int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
698
ql4xxx_lock_flash(struct scsi_qla_host * a)699 static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
700 {
701 if (is_qla4010(a))
702 return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
703 QL4010_FLASH_SEM_BITS);
704 else
705 return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
706 (QL4022_RESOURCE_BITS_BASE_CODE |
707 (a->mac_index)) << 13);
708 }
709
ql4xxx_unlock_flash(struct scsi_qla_host * a)710 static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
711 {
712 if (is_qla4010(a))
713 ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
714 else
715 ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
716 }
717
ql4xxx_lock_nvram(struct scsi_qla_host * a)718 static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
719 {
720 if (is_qla4010(a))
721 return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
722 QL4010_NVRAM_SEM_BITS);
723 else
724 return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
725 (QL4022_RESOURCE_BITS_BASE_CODE |
726 (a->mac_index)) << 10);
727 }
728
ql4xxx_unlock_nvram(struct scsi_qla_host * a)729 static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
730 {
731 if (is_qla4010(a))
732 ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
733 else
734 ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
735 }
736
ql4xxx_lock_drvr(struct scsi_qla_host * a)737 static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
738 {
739 if (is_qla4010(a))
740 return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
741 QL4010_DRVR_SEM_BITS);
742 else
743 return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
744 (QL4022_RESOURCE_BITS_BASE_CODE |
745 (a->mac_index)) << 1);
746 }
747
ql4xxx_unlock_drvr(struct scsi_qla_host * a)748 static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
749 {
750 if (is_qla4010(a))
751 ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
752 else
753 ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
754 }
755
756 /*---------------------------------------------------------------------------*/
757
758 /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
759 #define PRESERVE_DDB_LIST 0
760 #define REBUILD_DDB_LIST 1
761
762 /* Defines for process_aen() */
763 #define PROCESS_ALL_AENS 0
764 #define FLUSH_DDB_CHANGED_AENS 1
765
766 #endif /*_QLA4XXX_H */
767