xref: /openbmc/linux/drivers/scsi/qla1280.h (revision d9fd5a71)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /******************************************************************************
3 *                  QLOGIC LINUX SOFTWARE
4 *
5 * QLogic ISP1280 (Ultra2) /12160 (Ultra3) SCSI driver
6 * Copyright (C) 2000 Qlogic Corporation
7 * (www.qlogic.com)
8 *
9 ******************************************************************************/
10 
11 #ifndef	_QLA1280_H
12 #define	_QLA1280_H
13 
14 /*
15  * Data bit definitions.
16  */
17 #define BIT_0	0x1
18 #define BIT_1	0x2
19 #define BIT_2	0x4
20 #define BIT_3	0x8
21 #define BIT_4	0x10
22 #define BIT_5	0x20
23 #define BIT_6	0x40
24 #define BIT_7	0x80
25 #define BIT_8	0x100
26 #define BIT_9	0x200
27 #define BIT_10	0x400
28 #define BIT_11	0x800
29 #define BIT_12	0x1000
30 #define BIT_13	0x2000
31 #define BIT_14	0x4000
32 #define BIT_15	0x8000
33 #define BIT_16	0x10000
34 #define BIT_17	0x20000
35 #define BIT_18	0x40000
36 #define BIT_19	0x80000
37 #define BIT_20	0x100000
38 #define BIT_21	0x200000
39 #define BIT_22	0x400000
40 #define BIT_23	0x800000
41 #define BIT_24	0x1000000
42 #define BIT_25	0x2000000
43 #define BIT_26	0x4000000
44 #define BIT_27	0x8000000
45 #define BIT_28	0x10000000
46 #define BIT_29	0x20000000
47 #define BIT_30	0x40000000
48 #define BIT_31	0x80000000
49 
50 #if MEMORY_MAPPED_IO
51 #define RD_REG_WORD(addr)		readw_relaxed(addr)
52 #define RD_REG_WORD_dmasync(addr)	readw(addr)
53 #define WRT_REG_WORD(addr, data)	writew(data, addr)
54 #else				/* MEMORY_MAPPED_IO */
55 #define RD_REG_WORD(addr)		inw((unsigned long)addr)
56 #define RD_REG_WORD_dmasync(addr)	RD_REG_WORD(addr)
57 #define WRT_REG_WORD(addr, data)	outw(data, (unsigned long)addr)
58 #endif				/* MEMORY_MAPPED_IO */
59 
60 /*
61  * Host adapter default definitions.
62  */
63 #define MAX_BUSES	2	/* 2 */
64 #define MAX_B_BITS	1
65 
66 #define MAX_TARGETS	16	/* 16 */
67 #define MAX_T_BITS	4	/* 4 */
68 
69 #define MAX_LUNS	8	/* 32 */
70 #define MAX_L_BITS	3	/* 5 */
71 
72 /*
73  * Watchdog time quantum
74  */
75 #define QLA1280_WDG_TIME_QUANTUM	5	/* In seconds */
76 
77 /* Command retry count (0-65535) */
78 #define COMMAND_RETRY_COUNT		255
79 
80 /* Maximum outstanding commands in ISP queues */
81 #define MAX_OUTSTANDING_COMMANDS	512
82 #define COMPLETED_HANDLE		((unsigned char *) \
83 					(MAX_OUTSTANDING_COMMANDS + 2))
84 
85 /* ISP request and response entry counts (37-65535) */
86 #define REQUEST_ENTRY_CNT		255 /* Number of request entries. */
87 #define RESPONSE_ENTRY_CNT		63  /* Number of response entries. */
88 
89 /*
90  * SCSI Request Block structure  (sp)  that is placed
91  * on cmd->SCp location of every I/O
92  */
93 struct srb {
94 	struct list_head list;		/* (8/16) LU queue */
95 	struct scsi_cmnd *cmd;	/* (4/8) SCSI command block */
96 	/* NOTE: the sp->cmd will be NULL when this completion is
97 	 * called, so you should know the scsi_cmnd when using this */
98 	struct completion *wait;
99 	dma_addr_t saved_dma_handle;	/* for unmap of single transfers */
100 	uint8_t flags;		/* (1) Status flags. */
101 	uint8_t dir;		/* direction of transfer */
102 };
103 
104 /*
105  * SRB flag definitions
106  */
107 #define SRB_TIMEOUT		(1 << 0)	/* Command timed out */
108 #define SRB_SENT		(1 << 1)	/* Command sent to ISP */
109 #define SRB_ABORT_PENDING	(1 << 2)	/* Command abort sent to device */
110 #define SRB_ABORTED		(1 << 3)	/* Command aborted command already */
111 
112 /*
113  *  ISP I/O Register Set structure definitions.
114  */
115 struct device_reg {
116 	uint16_t id_l;		/* ID low */
117 	uint16_t id_h;		/* ID high */
118 	uint16_t cfg_0;		/* Configuration 0 */
119 #define ISP_CFG0_HWMSK   0x000f	/* Hardware revision mask */
120 #define ISP_CFG0_1020    BIT_0	/* ISP1020 */
121 #define ISP_CFG0_1020A	 BIT_1	/* ISP1020A */
122 #define ISP_CFG0_1040	 BIT_2	/* ISP1040 */
123 #define ISP_CFG0_1040A	 BIT_3	/* ISP1040A */
124 #define ISP_CFG0_1040B	 BIT_4	/* ISP1040B */
125 #define ISP_CFG0_1040C	 BIT_5	/* ISP1040C */
126 	uint16_t cfg_1;		/* Configuration 1 */
127 #define ISP_CFG1_F128    BIT_6  /* 128-byte FIFO threshold */
128 #define ISP_CFG1_F64     BIT_4|BIT_5 /* 128-byte FIFO threshold */
129 #define ISP_CFG1_F32     BIT_5  /* 128-byte FIFO threshold */
130 #define ISP_CFG1_F16     BIT_4  /* 128-byte FIFO threshold */
131 #define ISP_CFG1_BENAB   BIT_2  /* Global Bus burst enable */
132 #define ISP_CFG1_SXP     BIT_0  /* SXP register select */
133 	uint16_t ictrl;		/* Interface control */
134 #define ISP_RESET        BIT_0	/* ISP soft reset */
135 #define ISP_EN_INT       BIT_1	/* ISP enable interrupts. */
136 #define ISP_EN_RISC      BIT_2	/* ISP enable RISC interrupts. */
137 #define ISP_FLASH_ENABLE BIT_8	/* Flash BIOS Read/Write enable */
138 #define ISP_FLASH_UPPER  BIT_9	/* Flash upper bank select */
139 	uint16_t istatus;	/* Interface status */
140 #define PCI_64BIT_SLOT   BIT_14	/* PCI 64-bit slot indicator. */
141 #define RISC_INT         BIT_2	/* RISC interrupt */
142 #define PCI_INT          BIT_1	/* PCI interrupt */
143 	uint16_t semaphore;	/* Semaphore */
144 	uint16_t nvram;		/* NVRAM register. */
145 #define NV_DESELECT     0
146 #define NV_CLOCK        BIT_0
147 #define NV_SELECT       BIT_1
148 #define NV_DATA_OUT     BIT_2
149 #define NV_DATA_IN      BIT_3
150 	uint16_t flash_data;	/* Flash BIOS data */
151 	uint16_t flash_address;	/* Flash BIOS address */
152 
153 	uint16_t unused_1[0x06];
154 
155 	/* cdma_* and ddma_* are 1040 only */
156 	uint16_t cdma_cfg;
157 #define CDMA_CONF_SENAB  BIT_3	/* SXP to DMA Data enable */
158 #define CDMA_CONF_RIRQ   BIT_2	/* RISC interrupt enable */
159 #define CDMA_CONF_BENAB  BIT_1	/* Bus burst enable */
160 #define CDMA_CONF_DIR    BIT_0	/* DMA direction (0=fifo->host 1=host->fifo) */
161 	uint16_t cdma_ctrl;
162 	uint16_t cdma_status;
163 	uint16_t cdma_fifo_status;
164 	uint16_t cdma_count;
165 	uint16_t cdma_reserved;
166 	uint16_t cdma_address_count_0;
167 	uint16_t cdma_address_count_1;
168 	uint16_t cdma_address_count_2;
169 	uint16_t cdma_address_count_3;
170 
171 	uint16_t unused_2[0x06];
172 
173 	uint16_t ddma_cfg;
174 #define DDMA_CONF_SENAB  BIT_3	/* SXP to DMA Data enable */
175 #define DDMA_CONF_RIRQ   BIT_2	/* RISC interrupt enable */
176 #define DDMA_CONF_BENAB  BIT_1	/* Bus burst enable */
177 #define DDMA_CONF_DIR    BIT_0	/* DMA direction (0=fifo->host 1=host->fifo) */
178 	uint16_t ddma_ctrl;
179 	uint16_t ddma_status;
180 	uint16_t ddma_fifo_status;
181 	uint16_t ddma_xfer_count_low;
182 	uint16_t ddma_xfer_count_high;
183 	uint16_t ddma_addr_count_0;
184 	uint16_t ddma_addr_count_1;
185 	uint16_t ddma_addr_count_2;
186 	uint16_t ddma_addr_count_3;
187 
188 	uint16_t unused_3[0x0e];
189 
190 	uint16_t mailbox0;	/* Mailbox 0 */
191 	uint16_t mailbox1;	/* Mailbox 1 */
192 	uint16_t mailbox2;	/* Mailbox 2 */
193 	uint16_t mailbox3;	/* Mailbox 3 */
194 	uint16_t mailbox4;	/* Mailbox 4 */
195 	uint16_t mailbox5;	/* Mailbox 5 */
196 	uint16_t mailbox6;	/* Mailbox 6 */
197 	uint16_t mailbox7;	/* Mailbox 7 */
198 
199 	uint16_t unused_4[0x20];/* 0x80-0xbf Gap */
200 
201 	uint16_t host_cmd;	/* Host command and control */
202 #define HOST_INT      BIT_7	/* host interrupt bit */
203 #define BIOS_ENABLE   BIT_0
204 
205 	uint16_t unused_5[0x5];	/* 0xc2-0xcb Gap */
206 
207 	uint16_t gpio_data;
208 	uint16_t gpio_enable;
209 
210 	uint16_t unused_6[0x11];	/* d0-f0 */
211 	uint16_t scsiControlPins;	/* f2 */
212 };
213 
214 #define MAILBOX_REGISTER_COUNT	8
215 
216 /*
217  *  ISP product identification definitions in mailboxes after reset.
218  */
219 #define PROD_ID_1		0x4953
220 #define PROD_ID_2		0x0000
221 #define PROD_ID_2a		0x5020
222 #define PROD_ID_3		0x2020
223 #define PROD_ID_4		0x1
224 
225 /*
226  * ISP host command and control register command definitions
227  */
228 #define HC_RESET_RISC		0x1000	/* Reset RISC */
229 #define HC_PAUSE_RISC		0x2000	/* Pause RISC */
230 #define HC_RELEASE_RISC		0x3000	/* Release RISC from reset. */
231 #define HC_SET_HOST_INT		0x5000	/* Set host interrupt */
232 #define HC_CLR_HOST_INT		0x6000	/* Clear HOST interrupt */
233 #define HC_CLR_RISC_INT		0x7000	/* Clear RISC interrupt */
234 #define HC_DISABLE_BIOS		0x9000	/* Disable BIOS. */
235 
236 /*
237  * ISP mailbox Self-Test status codes
238  */
239 #define MBS_FRM_ALIVE		0	/* Firmware Alive. */
240 #define MBS_CHKSUM_ERR		1	/* Checksum Error. */
241 #define MBS_SHADOW_LD_ERR	2	/* Shadow Load Error. */
242 #define MBS_BUSY		4	/* Busy. */
243 
244 /*
245  * ISP mailbox command complete status codes
246  */
247 #define MBS_CMD_CMP		0x4000	/* Command Complete. */
248 #define MBS_INV_CMD		0x4001	/* Invalid Command. */
249 #define MBS_HOST_INF_ERR	0x4002	/* Host Interface Error. */
250 #define MBS_TEST_FAILED		0x4003	/* Test Failed. */
251 #define MBS_CMD_ERR		0x4005	/* Command Error. */
252 #define MBS_CMD_PARAM_ERR	0x4006	/* Command Parameter Error. */
253 
254 /*
255  * ISP mailbox asynchronous event status codes
256  */
257 #define MBA_ASYNC_EVENT		0x8000	/* Asynchronous event. */
258 #define MBA_BUS_RESET		0x8001	/* SCSI Bus Reset. */
259 #define MBA_SYSTEM_ERR		0x8002	/* System Error. */
260 #define MBA_REQ_TRANSFER_ERR	0x8003	/* Request Transfer Error. */
261 #define MBA_RSP_TRANSFER_ERR	0x8004	/* Response Transfer Error. */
262 #define MBA_WAKEUP_THRES	0x8005	/* Request Queue Wake-up. */
263 #define MBA_TIMEOUT_RESET	0x8006	/* Execution Timeout Reset. */
264 #define MBA_DEVICE_RESET	0x8007	/* Bus Device Reset. */
265 #define MBA_BUS_MODE_CHANGE	0x800E	/* SCSI bus mode transition. */
266 #define MBA_SCSI_COMPLETION	0x8020	/* Completion response. */
267 
268 /*
269  * ISP mailbox commands
270  */
271 #define MBC_NOP				0	/* No Operation */
272 #define MBC_LOAD_RAM			1	/* Load RAM */
273 #define MBC_EXECUTE_FIRMWARE		2	/* Execute firmware */
274 #define MBC_DUMP_RAM			3	/* Dump RAM contents */
275 #define MBC_WRITE_RAM_WORD		4	/* Write ram word */
276 #define MBC_READ_RAM_WORD		5	/* Read ram word */
277 #define MBC_MAILBOX_REGISTER_TEST	6	/* Wrap incoming mailboxes */
278 #define MBC_VERIFY_CHECKSUM		7	/* Verify checksum */
279 #define MBC_ABOUT_FIRMWARE		8	/* Get firmware revision */
280 #define MBC_LOAD_RAM_A64_ROM		9	/* Load RAM 64bit ROM version */
281 #define MBC_DUMP_RAM_A64_ROM		0x0a	/* Dump RAM 64bit ROM version */
282 #define MBC_INIT_REQUEST_QUEUE		0x10	/* Initialize request queue */
283 #define MBC_INIT_RESPONSE_QUEUE		0x11	/* Initialize response queue */
284 #define MBC_EXECUTE_IOCB		0x12	/* Execute IOCB command */
285 #define MBC_ABORT_COMMAND		0x15	/* Abort IOCB command */
286 #define MBC_ABORT_DEVICE		0x16	/* Abort device (ID/LUN) */
287 #define MBC_ABORT_TARGET		0x17	/* Abort target (ID) */
288 #define MBC_BUS_RESET			0x18	/* SCSI bus reset */
289 #define MBC_GET_RETRY_COUNT		0x22	/* Get retry count and delay */
290 #define MBC_GET_TARGET_PARAMETERS	0x28	/* Get target parameters */
291 #define MBC_SET_INITIATOR_ID		0x30	/* Set initiator SCSI ID */
292 #define MBC_SET_SELECTION_TIMEOUT	0x31	/* Set selection timeout */
293 #define MBC_SET_RETRY_COUNT		0x32	/* Set retry count and delay */
294 #define MBC_SET_TAG_AGE_LIMIT		0x33	/* Set tag age limit */
295 #define MBC_SET_CLOCK_RATE		0x34	/* Set clock rate */
296 #define MBC_SET_ACTIVE_NEGATION		0x35	/* Set active negation state */
297 #define MBC_SET_ASYNC_DATA_SETUP	0x36	/* Set async data setup time */
298 #define MBC_SET_PCI_CONTROL		0x37	/* Set BUS control parameters */
299 #define MBC_SET_TARGET_PARAMETERS	0x38	/* Set target parameters */
300 #define MBC_SET_DEVICE_QUEUE		0x39	/* Set device queue parameters */
301 #define MBC_SET_RESET_DELAY_PARAMETERS	0x3A	/* Set reset delay parameters */
302 #define MBC_SET_SYSTEM_PARAMETER	0x45	/* Set system parameter word */
303 #define MBC_SET_FIRMWARE_FEATURES	0x4A	/* Set firmware feature word */
304 #define MBC_INIT_REQUEST_QUEUE_A64	0x52	/* Initialize request queue A64 */
305 #define MBC_INIT_RESPONSE_QUEUE_A64	0x53	/* Initialize response q A64 */
306 #define MBC_ENABLE_TARGET_MODE		0x55	/* Enable target mode */
307 #define MBC_SET_DATA_OVERRUN_RECOVERY	0x5A	/* Set data overrun recovery mode */
308 
309 /*
310  * ISP Get/Set Target Parameters mailbox command control flags.
311  */
312 #define TP_PPR			BIT_5	/* PPR */
313 #define TP_RENEGOTIATE		BIT_8	/* Renegotiate on error. */
314 #define TP_STOP_QUEUE           BIT_9	/* Stop que on check condition */
315 #define TP_AUTO_REQUEST_SENSE   BIT_10	/* Automatic request sense. */
316 #define TP_TAGGED_QUEUE         BIT_11	/* Tagged queuing. */
317 #define TP_SYNC                 BIT_12	/* Synchronous data transfers. */
318 #define TP_WIDE                 BIT_13	/* Wide data transfers. */
319 #define TP_PARITY               BIT_14	/* Parity checking. */
320 #define TP_DISCONNECT           BIT_15	/* Disconnect privilege. */
321 
322 /*
323  * NVRAM Command values.
324  */
325 #define NV_START_BIT		BIT_2
326 #define NV_WRITE_OP		(BIT_26 | BIT_24)
327 #define NV_READ_OP		(BIT_26 | BIT_25)
328 #define NV_ERASE_OP		(BIT_26 | BIT_25 | BIT_24)
329 #define NV_MASK_OP		(BIT_26 | BIT_25 | BIT_24)
330 #define NV_DELAY_COUNT		10
331 
332 /*
333  *  QLogic ISP1280/ISP12160 NVRAM structure definition.
334  */
335 struct nvram {
336 	uint8_t id0;		/* 0 */
337 	uint8_t id1;		/* 1 */
338 	uint8_t id2;		/* 2 */
339 	uint8_t id3;		/* 3 */
340 	uint8_t version;	/* 4 */
341 
342 	struct {
343 		uint8_t bios_configuration_mode:2;
344 		uint8_t bios_disable:1;
345 		uint8_t selectable_scsi_boot_enable:1;
346 		uint8_t cd_rom_boot_enable:1;
347 		uint8_t disable_loading_risc_code:1;
348 		uint8_t enable_64bit_addressing:1;
349 		uint8_t unused_7:1;
350 	} cntr_flags_1;		/* 5 */
351 
352 	struct {
353 		uint8_t boot_lun_number:5;
354 		uint8_t scsi_bus_number:1;
355 		uint8_t unused_6:1;
356 		uint8_t unused_7:1;
357 	} cntr_flags_2l;	/* 7 */
358 
359 	struct {
360 		uint8_t boot_target_number:4;
361 		uint8_t unused_12:1;
362 		uint8_t unused_13:1;
363 		uint8_t unused_14:1;
364 		uint8_t unused_15:1;
365 	} cntr_flags_2h;	/* 8 */
366 
367 	uint16_t unused_8;	/* 8, 9 */
368 	uint16_t unused_10;	/* 10, 11 */
369 	uint16_t unused_12;	/* 12, 13 */
370 	uint16_t unused_14;	/* 14, 15 */
371 
372 	struct {
373 		uint8_t reserved:2;
374 		uint8_t burst_enable:1;
375 		uint8_t reserved_1:1;
376 		uint8_t fifo_threshold:4;
377 	} isp_config;		/* 16 */
378 
379 	/* Termination
380 	 * 0 = Disable, 1 = high only, 3 = Auto term
381 	 */
382 	struct {
383 		uint8_t scsi_bus_1_control:2;
384 		uint8_t scsi_bus_0_control:2;
385 		uint8_t unused_0:1;
386 		uint8_t unused_1:1;
387 		uint8_t unused_2:1;
388 		uint8_t auto_term_support:1;
389 	} termination;		/* 17 */
390 
391 	uint16_t isp_parameter;	/* 18, 19 */
392 
393 	union {
394 		uint16_t w;
395 		struct {
396 			uint16_t enable_fast_posting:1;
397 			uint16_t report_lvd_bus_transition:1;
398 			uint16_t unused_2:1;
399 			uint16_t unused_3:1;
400 			uint16_t disable_iosbs_with_bus_reset_status:1;
401 			uint16_t disable_synchronous_backoff:1;
402 			uint16_t unused_6:1;
403 			uint16_t synchronous_backoff_reporting:1;
404 			uint16_t disable_reselection_fairness:1;
405 			uint16_t unused_9:1;
406 			uint16_t unused_10:1;
407 			uint16_t unused_11:1;
408 			uint16_t unused_12:1;
409 			uint16_t unused_13:1;
410 			uint16_t unused_14:1;
411 			uint16_t unused_15:1;
412 		} f;
413 	} firmware_feature;	/* 20, 21 */
414 
415 	uint16_t unused_22;	/* 22, 23 */
416 
417 	struct {
418 		struct {
419 			uint8_t initiator_id:4;
420 			uint8_t scsi_reset_disable:1;
421 			uint8_t scsi_bus_size:1;
422 			uint8_t scsi_bus_type:1;
423 			uint8_t unused_7:1;
424 		} config_1;	/* 24 */
425 
426 		uint8_t bus_reset_delay;	/* 25 */
427 		uint8_t retry_count;	/* 26 */
428 		uint8_t retry_delay;	/* 27 */
429 
430 		struct {
431 			uint8_t async_data_setup_time:4;
432 			uint8_t req_ack_active_negation:1;
433 			uint8_t data_line_active_negation:1;
434 			uint8_t unused_6:1;
435 			uint8_t unused_7:1;
436 		} config_2;	/* 28 */
437 
438 		uint8_t unused_29;	/* 29 */
439 
440 		uint16_t selection_timeout;	/* 30, 31 */
441 		uint16_t max_queue_depth;	/* 32, 33 */
442 
443 		uint16_t unused_34;	/* 34, 35 */
444 		uint16_t unused_36;	/* 36, 37 */
445 		uint16_t unused_38;	/* 38, 39 */
446 
447 		struct {
448 			struct {
449 				uint8_t renegotiate_on_error:1;
450 				uint8_t stop_queue_on_check:1;
451 				uint8_t auto_request_sense:1;
452 				uint8_t tag_queuing:1;
453 				uint8_t enable_sync:1;
454 				uint8_t enable_wide:1;
455 				uint8_t parity_checking:1;
456 				uint8_t disconnect_allowed:1;
457 			} parameter;	/* 40 */
458 
459 			uint8_t execution_throttle;	/* 41 */
460 			uint8_t sync_period;	/* 42 */
461 
462 			union {		/* 43 */
463 				uint8_t flags_43;
464 				struct {
465 					uint8_t sync_offset:4;
466 					uint8_t device_enable:1;
467 					uint8_t lun_disable:1;
468 					uint8_t unused_6:1;
469 					uint8_t unused_7:1;
470 				} flags1x80;
471 				struct {
472 					uint8_t sync_offset:5;
473 					uint8_t device_enable:1;
474 					uint8_t unused_6:1;
475 					uint8_t unused_7:1;
476 				} flags1x160;
477 			} flags;
478 			union {	/* PPR flags for the 1x160 controllers */
479 				uint8_t unused_44;
480 				struct {
481 					uint8_t ppr_options:4;
482 					uint8_t ppr_bus_width:2;
483 					uint8_t unused_8:1;
484 					uint8_t enable_ppr:1;
485 				} flags;	/* 44 */
486 			} ppr_1x160;
487 			uint8_t unused_45;	/* 45 */
488 		} target[MAX_TARGETS];
489 	} bus[MAX_BUSES];
490 
491 	uint16_t unused_248;	/* 248, 249 */
492 
493 	uint16_t subsystem_id[2];	/* 250, 251, 252, 253 */
494 
495 	union {				/* 254 */
496 		uint8_t unused_254;
497 		uint8_t system_id_pointer;
498 	} sysid_1x160;
499 
500 	uint8_t chksum;		/* 255 */
501 };
502 
503 /*
504  * ISP queue - command entry structure definition.
505  */
506 #define MAX_CMDSZ	12		/* SCSI maximum CDB size. */
507 struct cmd_entry {
508 	uint8_t entry_type;		/* Entry type. */
509 #define COMMAND_TYPE    1		/* Command entry */
510 	uint8_t entry_count;		/* Entry count. */
511 	uint8_t sys_define;		/* System defined. */
512 	uint8_t entry_status;		/* Entry Status. */
513 	__le32 handle;			/* System handle. */
514 	uint8_t lun;			/* SCSI LUN */
515 	uint8_t target;			/* SCSI ID */
516 	__le16 cdb_len;			/* SCSI command length. */
517 	__le16 control_flags;		/* Control flags. */
518 	__le16 reserved;
519 	__le16 timeout;			/* Command timeout. */
520 	__le16 dseg_count;		/* Data segment count. */
521 	uint8_t scsi_cdb[MAX_CMDSZ];	/* SCSI command words. */
522 	__le32 dseg_0_address;		/* Data segment 0 address. */
523 	__le32 dseg_0_length;		/* Data segment 0 length. */
524 	__le32 dseg_1_address;		/* Data segment 1 address. */
525 	__le32 dseg_1_length;		/* Data segment 1 length. */
526 	__le32 dseg_2_address;		/* Data segment 2 address. */
527 	__le32 dseg_2_length;		/* Data segment 2 length. */
528 	__le32 dseg_3_address;		/* Data segment 3 address. */
529 	__le32 dseg_3_length;		/* Data segment 3 length. */
530 };
531 
532 /*
533  * ISP queue - continuation entry structure definition.
534  */
535 struct cont_entry {
536 	uint8_t entry_type;		/* Entry type. */
537 #define CONTINUE_TYPE   2		/* Continuation entry. */
538 	uint8_t entry_count;		/* Entry count. */
539 	uint8_t sys_define;		/* System defined. */
540 	uint8_t entry_status;		/* Entry Status. */
541 	__le32 reserved;		/* Reserved */
542 	__le32 dseg_0_address;		/* Data segment 0 address. */
543 	__le32 dseg_0_length;		/* Data segment 0 length. */
544 	__le32 dseg_1_address;		/* Data segment 1 address. */
545 	__le32 dseg_1_length;		/* Data segment 1 length. */
546 	__le32 dseg_2_address;		/* Data segment 2 address. */
547 	__le32 dseg_2_length;		/* Data segment 2 length. */
548 	__le32 dseg_3_address;		/* Data segment 3 address. */
549 	__le32 dseg_3_length;		/* Data segment 3 length. */
550 	__le32 dseg_4_address;		/* Data segment 4 address. */
551 	__le32 dseg_4_length;		/* Data segment 4 length. */
552 	__le32 dseg_5_address;		/* Data segment 5 address. */
553 	__le32 dseg_5_length;		/* Data segment 5 length. */
554 	__le32 dseg_6_address;		/* Data segment 6 address. */
555 	__le32 dseg_6_length;		/* Data segment 6 length. */
556 };
557 
558 /*
559  * ISP queue - status entry structure definition.
560  */
561 struct response {
562 	uint8_t entry_type;	/* Entry type. */
563 #define STATUS_TYPE     3	/* Status entry. */
564 	uint8_t entry_count;	/* Entry count. */
565 	uint8_t sys_define;	/* System defined. */
566 	uint8_t entry_status;	/* Entry Status. */
567 #define RF_CONT         BIT_0	/* Continuation. */
568 #define RF_FULL         BIT_1	/* Full */
569 #define RF_BAD_HEADER   BIT_2	/* Bad header. */
570 #define RF_BAD_PAYLOAD  BIT_3	/* Bad payload. */
571 	__le32 handle;		/* System handle. */
572 	__le16 scsi_status;	/* SCSI status. */
573 	__le16 comp_status;	/* Completion status. */
574 	__le16 state_flags;	/* State flags. */
575 #define SF_TRANSFER_CMPL	BIT_14	/* Transfer Complete. */
576 #define SF_GOT_SENSE	 	BIT_13	/* Got Sense */
577 #define SF_GOT_STATUS	 	BIT_12	/* Got Status */
578 #define SF_TRANSFERRED_DATA	BIT_11	/* Transferred data */
579 #define SF_SENT_CDB	 	BIT_10	/* Send CDB */
580 #define SF_GOT_TARGET	 	BIT_9	/*  */
581 #define SF_GOT_BUS	 	BIT_8	/*  */
582 	__le16 status_flags;	/* Status flags. */
583 	__le16 time;		/* Time. */
584 	__le16 req_sense_length;/* Request sense data length. */
585 	__le32 residual_length;	/* Residual transfer length. */
586 	__le16 reserved[4];
587 	uint8_t req_sense_data[32];	/* Request sense data. */
588 };
589 
590 /*
591  * ISP queue - marker entry structure definition.
592  */
593 struct mrk_entry {
594 	uint8_t entry_type;	/* Entry type. */
595 #define MARKER_TYPE     4	/* Marker entry. */
596 	uint8_t entry_count;	/* Entry count. */
597 	uint8_t sys_define;	/* System defined. */
598 	uint8_t entry_status;	/* Entry Status. */
599 	__le32 reserved;
600 	uint8_t lun;		/* SCSI LUN */
601 	uint8_t target;		/* SCSI ID */
602 	uint8_t modifier;	/* Modifier (7-0). */
603 #define MK_SYNC_ID_LUN      0	/* Synchronize ID/LUN */
604 #define MK_SYNC_ID          1	/* Synchronize ID */
605 #define MK_SYNC_ALL         2	/* Synchronize all ID/LUN */
606 	uint8_t reserved_1[53];
607 };
608 
609 /*
610  * ISP queue - extended command entry structure definition.
611  *
612  * Unused by the driver!
613  */
614 struct ecmd_entry {
615 	uint8_t entry_type;	/* Entry type. */
616 #define EXTENDED_CMD_TYPE  5	/* Extended command entry. */
617 	uint8_t entry_count;	/* Entry count. */
618 	uint8_t sys_define;	/* System defined. */
619 	uint8_t entry_status;	/* Entry Status. */
620 	uint32_t handle;	/* System handle. */
621 	uint8_t lun;		/* SCSI LUN */
622 	uint8_t target;		/* SCSI ID */
623 	__le16 cdb_len;		/* SCSI command length. */
624 	__le16 control_flags;	/* Control flags. */
625 	__le16 reserved;
626 	__le16 timeout;		/* Command timeout. */
627 	__le16 dseg_count;	/* Data segment count. */
628 	uint8_t scsi_cdb[88];	/* SCSI command words. */
629 };
630 
631 /*
632  * ISP queue - 64-Bit addressing, command entry structure definition.
633  */
634 typedef struct {
635 	uint8_t entry_type;	/* Entry type. */
636 #define COMMAND_A64_TYPE 9	/* Command A64 entry */
637 	uint8_t entry_count;	/* Entry count. */
638 	uint8_t sys_define;	/* System defined. */
639 	uint8_t entry_status;	/* Entry Status. */
640 	__le32 handle;	/* System handle. */
641 	uint8_t lun;		/* SCSI LUN */
642 	uint8_t target;		/* SCSI ID */
643 	__le16 cdb_len;	/* SCSI command length. */
644 	__le16 control_flags;	/* Control flags. */
645 	__le16 reserved;
646 	__le16 timeout;	/* Command timeout. */
647 	__le16 dseg_count;	/* Data segment count. */
648 	uint8_t scsi_cdb[MAX_CMDSZ];	/* SCSI command words. */
649 	__le32 reserved_1[2];	/* unused */
650 	__le32 dseg_0_address[2];	/* Data segment 0 address. */
651 	__le32 dseg_0_length;	/* Data segment 0 length. */
652 	__le32 dseg_1_address[2];	/* Data segment 1 address. */
653 	__le32 dseg_1_length;	/* Data segment 1 length. */
654 } cmd_a64_entry_t, request_t;
655 
656 /*
657  * ISP queue - 64-Bit addressing, continuation entry structure definition.
658  */
659 struct cont_a64_entry {
660 	uint8_t entry_type;	/* Entry type. */
661 #define CONTINUE_A64_TYPE 0xA	/* Continuation A64 entry. */
662 	uint8_t entry_count;	/* Entry count. */
663 	uint8_t sys_define;	/* System defined. */
664 	uint8_t entry_status;	/* Entry Status. */
665 	__le32 dseg_0_address[2];	/* Data segment 0 address. */
666 	__le32 dseg_0_length;		/* Data segment 0 length. */
667 	__le32 dseg_1_address[2];	/* Data segment 1 address. */
668 	__le32 dseg_1_length;		/* Data segment 1 length. */
669 	__le32 dseg_2_address[2];	/* Data segment 2 address. */
670 	__le32 dseg_2_length;		/* Data segment 2 length. */
671 	__le32 dseg_3_address[2];	/* Data segment 3 address. */
672 	__le32 dseg_3_length;		/* Data segment 3 length. */
673 	__le32 dseg_4_address[2];	/* Data segment 4 address. */
674 	__le32 dseg_4_length;		/* Data segment 4 length. */
675 };
676 
677 /*
678  * ISP queue - enable LUN entry structure definition.
679  */
680 struct elun_entry {
681 	uint8_t entry_type;	/* Entry type. */
682 #define ENABLE_LUN_TYPE 0xB	/* Enable LUN entry. */
683 	uint8_t entry_count;	/* Entry count. */
684 	uint8_t reserved_1;
685 	uint8_t entry_status;	/* Entry Status not used. */
686 	__le32 reserved_2;
687 	__le16 lun;		/* Bit 15 is bus number. */
688 	__le16 reserved_4;
689 	__le32 option_flags;
690 	uint8_t status;
691 	uint8_t reserved_5;
692 	uint8_t command_count;	/* Number of ATIOs allocated. */
693 	uint8_t immed_notify_count;	/* Number of Immediate Notify */
694 	/* entries allocated. */
695 	uint8_t group_6_length;	/* SCSI CDB length for group 6 */
696 	/* commands (2-26). */
697 	uint8_t group_7_length;	/* SCSI CDB length for group 7 */
698 	/* commands (2-26). */
699 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
700 	__le16 reserved_6[20];
701 };
702 
703 /*
704  * ISP queue - modify LUN entry structure definition.
705  *
706  * Unused by the driver!
707  */
708 struct modify_lun_entry {
709 	uint8_t entry_type;	/* Entry type. */
710 #define MODIFY_LUN_TYPE 0xC	/* Modify LUN entry. */
711 	uint8_t entry_count;	/* Entry count. */
712 	uint8_t reserved_1;
713 	uint8_t entry_status;	/* Entry Status. */
714 	__le32 reserved_2;
715 	uint8_t lun;		/* SCSI LUN */
716 	uint8_t reserved_3;
717 	uint8_t operators;
718 	uint8_t reserved_4;
719 	__le32 option_flags;
720 	uint8_t status;
721 	uint8_t reserved_5;
722 	uint8_t command_count;	/* Number of ATIOs allocated. */
723 	uint8_t immed_notify_count;	/* Number of Immediate Notify */
724 	/* entries allocated. */
725 	__le16 reserved_6;
726 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
727 	__le16 reserved_7[20];
728 };
729 
730 /*
731  * ISP queue - immediate notify entry structure definition.
732  */
733 struct notify_entry {
734 	uint8_t entry_type;	/* Entry type. */
735 #define IMMED_NOTIFY_TYPE 0xD	/* Immediate notify entry. */
736 	uint8_t entry_count;	/* Entry count. */
737 	uint8_t reserved_1;
738 	uint8_t entry_status;	/* Entry Status. */
739 	__le32 reserved_2;
740 	uint8_t lun;
741 	uint8_t initiator_id;
742 	uint8_t reserved_3;
743 	uint8_t target_id;
744 	__le32 option_flags;
745 	uint8_t status;
746 	uint8_t reserved_4;
747 	uint8_t tag_value;	/* Received queue tag message value */
748 	uint8_t tag_type;	/* Received queue tag message type */
749 	/* entries allocated. */
750 	__le16 seq_id;
751 	uint8_t scsi_msg[8];	/* SCSI message not handled by ISP */
752 	__le16 reserved_5[8];
753 	uint8_t sense_data[18];
754 };
755 
756 /*
757  * ISP queue - notify acknowledge entry structure definition.
758  */
759 struct nack_entry {
760 	uint8_t entry_type;	/* Entry type. */
761 #define NOTIFY_ACK_TYPE 0xE	/* Notify acknowledge entry. */
762 	uint8_t entry_count;	/* Entry count. */
763 	uint8_t reserved_1;
764 	uint8_t entry_status;	/* Entry Status. */
765 	__le32 reserved_2;
766 	uint8_t lun;
767 	uint8_t initiator_id;
768 	uint8_t reserved_3;
769 	uint8_t target_id;
770 	__le32 option_flags;
771 	uint8_t status;
772 	uint8_t event;
773 	__le16 seq_id;
774 	__le16 reserved_4[22];
775 };
776 
777 /*
778  * ISP queue - Accept Target I/O (ATIO) entry structure definition.
779  */
780 struct atio_entry {
781 	uint8_t entry_type;	/* Entry type. */
782 #define ACCEPT_TGT_IO_TYPE 6	/* Accept target I/O entry. */
783 	uint8_t entry_count;	/* Entry count. */
784 	uint8_t reserved_1;
785 	uint8_t entry_status;	/* Entry Status. */
786 	__le32 reserved_2;
787 	uint8_t lun;
788 	uint8_t initiator_id;
789 	uint8_t cdb_len;
790 	uint8_t target_id;
791 	__le32 option_flags;
792 	uint8_t status;
793 	uint8_t scsi_status;
794 	uint8_t tag_value;	/* Received queue tag message value */
795 	uint8_t tag_type;	/* Received queue tag message type */
796 	uint8_t cdb[26];
797 	uint8_t sense_data[18];
798 };
799 
800 /*
801  * ISP queue - Continue Target I/O (CTIO) entry structure definition.
802  */
803 struct ctio_entry {
804 	uint8_t entry_type;	/* Entry type. */
805 #define CONTINUE_TGT_IO_TYPE 7	/* CTIO entry */
806 	uint8_t entry_count;	/* Entry count. */
807 	uint8_t reserved_1;
808 	uint8_t entry_status;	/* Entry Status. */
809 	__le32 reserved_2;
810 	uint8_t lun;		/* SCSI LUN */
811 	uint8_t initiator_id;
812 	uint8_t reserved_3;
813 	uint8_t target_id;
814 	__le32 option_flags;
815 	uint8_t status;
816 	uint8_t scsi_status;
817 	uint8_t tag_value;	/* Received queue tag message value */
818 	uint8_t tag_type;	/* Received queue tag message type */
819 	__le32 transfer_length;
820 	__le32 residual;
821 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
822 	__le16 dseg_count;	/* Data segment count. */
823 	__le32 dseg_0_address;	/* Data segment 0 address. */
824 	__le32 dseg_0_length;	/* Data segment 0 length. */
825 	__le32 dseg_1_address;	/* Data segment 1 address. */
826 	__le32 dseg_1_length;	/* Data segment 1 length. */
827 	__le32 dseg_2_address;	/* Data segment 2 address. */
828 	__le32 dseg_2_length;	/* Data segment 2 length. */
829 	__le32 dseg_3_address;	/* Data segment 3 address. */
830 	__le32 dseg_3_length;	/* Data segment 3 length. */
831 };
832 
833 /*
834  * ISP queue - CTIO returned entry structure definition.
835  */
836 struct ctio_ret_entry {
837 	uint8_t entry_type;	/* Entry type. */
838 #define CTIO_RET_TYPE   7	/* CTIO return entry */
839 	uint8_t entry_count;	/* Entry count. */
840 	uint8_t reserved_1;
841 	uint8_t entry_status;	/* Entry Status. */
842 	__le32 reserved_2;
843 	uint8_t lun;		/* SCSI LUN */
844 	uint8_t initiator_id;
845 	uint8_t reserved_3;
846 	uint8_t target_id;
847 	__le32 option_flags;
848 	uint8_t status;
849 	uint8_t scsi_status;
850 	uint8_t tag_value;	/* Received queue tag message value */
851 	uint8_t tag_type;	/* Received queue tag message type */
852 	__le32 transfer_length;
853 	__le32 residual;
854 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
855 	__le16 dseg_count;	/* Data segment count. */
856 	__le32 dseg_0_address;	/* Data segment 0 address. */
857 	__le32 dseg_0_length;	/* Data segment 0 length. */
858 	__le32 dseg_1_address;	/* Data segment 1 address. */
859 	__le16 dseg_1_length;	/* Data segment 1 length. */
860 	uint8_t sense_data[18];
861 };
862 
863 /*
864  * ISP queue - CTIO A64 entry structure definition.
865  */
866 struct ctio_a64_entry {
867 	uint8_t entry_type;	/* Entry type. */
868 #define CTIO_A64_TYPE 0xF	/* CTIO A64 entry */
869 	uint8_t entry_count;	/* Entry count. */
870 	uint8_t reserved_1;
871 	uint8_t entry_status;	/* Entry Status. */
872 	__le32 reserved_2;
873 	uint8_t lun;		/* SCSI LUN */
874 	uint8_t initiator_id;
875 	uint8_t reserved_3;
876 	uint8_t target_id;
877 	__le32 option_flags;
878 	uint8_t status;
879 	uint8_t scsi_status;
880 	uint8_t tag_value;	/* Received queue tag message value */
881 	uint8_t tag_type;	/* Received queue tag message type */
882 	__le32 transfer_length;
883 	__le32 residual;
884 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
885 	__le16 dseg_count;	/* Data segment count. */
886 	__le32 reserved_4[2];
887 	__le32 dseg_0_address[2];/* Data segment 0 address. */
888 	__le32 dseg_0_length;	/* Data segment 0 length. */
889 	__le32 dseg_1_address[2];/* Data segment 1 address. */
890 	__le32 dseg_1_length;	/* Data segment 1 length. */
891 };
892 
893 /*
894  * ISP queue - CTIO returned entry structure definition.
895  */
896 struct ctio_a64_ret_entry {
897 	uint8_t entry_type;	/* Entry type. */
898 #define CTIO_A64_RET_TYPE 0xF	/* CTIO A64 returned entry */
899 	uint8_t entry_count;	/* Entry count. */
900 	uint8_t reserved_1;
901 	uint8_t entry_status;	/* Entry Status. */
902 	__le32 reserved_2;
903 	uint8_t lun;		/* SCSI LUN */
904 	uint8_t initiator_id;
905 	uint8_t reserved_3;
906 	uint8_t target_id;
907 	__le32 option_flags;
908 	uint8_t status;
909 	uint8_t scsi_status;
910 	uint8_t tag_value;	/* Received queue tag message value */
911 	uint8_t tag_type;	/* Received queue tag message type */
912 	__le32 transfer_length;
913 	__le32 residual;
914 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
915 	__le16 dseg_count;	/* Data segment count. */
916 	__le16 reserved_4[7];
917 	uint8_t sense_data[18];
918 };
919 
920 /*
921  * ISP request and response queue entry sizes
922  */
923 #define RESPONSE_ENTRY_SIZE	(sizeof(struct response))
924 #define REQUEST_ENTRY_SIZE	(sizeof(request_t))
925 
926 /*
927  * ISP status entry - completion status definitions.
928  */
929 #define CS_COMPLETE         0x0	/* No errors */
930 #define CS_INCOMPLETE       0x1	/* Incomplete transfer of cmd. */
931 #define CS_DMA              0x2	/* A DMA direction error. */
932 #define CS_TRANSPORT        0x3	/* Transport error. */
933 #define CS_RESET            0x4	/* SCSI bus reset occurred */
934 #define CS_ABORTED          0x5	/* System aborted command. */
935 #define CS_TIMEOUT          0x6	/* Timeout error. */
936 #define CS_DATA_OVERRUN     0x7	/* Data overrun. */
937 #define CS_COMMAND_OVERRUN  0x8	/* Command Overrun. */
938 #define CS_STATUS_OVERRUN   0x9	/* Status Overrun. */
939 #define CS_BAD_MSG          0xA	/* Bad msg after status phase. */
940 #define CS_NO_MSG_OUT       0xB	/* No msg out after selection. */
941 #define CS_EXTENDED_ID      0xC	/* Extended ID failed. */
942 #define CS_IDE_MSG          0xD	/* Target rejected IDE msg. */
943 #define CS_ABORT_MSG        0xE	/* Target rejected abort msg. */
944 #define CS_REJECT_MSG       0xF	/* Target rejected reject msg. */
945 #define CS_NOP_MSG          0x10	/* Target rejected NOP msg. */
946 #define CS_PARITY_MSG       0x11	/* Target rejected parity msg. */
947 #define CS_DEV_RESET_MSG    0x12	/* Target rejected dev rst msg. */
948 #define CS_ID_MSG           0x13	/* Target rejected ID msg. */
949 #define CS_FREE             0x14	/* Unexpected bus free. */
950 #define CS_DATA_UNDERRUN    0x15	/* Data Underrun. */
951 #define CS_TRANACTION_1     0x18	/* Transaction error 1 */
952 #define CS_TRANACTION_2     0x19	/* Transaction error 2 */
953 #define CS_TRANACTION_3     0x1a	/* Transaction error 3 */
954 #define CS_INV_ENTRY_TYPE   0x1b	/* Invalid entry type */
955 #define CS_DEV_QUEUE_FULL   0x1c	/* Device queue full */
956 #define CS_PHASED_SKIPPED   0x1d	/* SCSI phase skipped */
957 #define CS_ARS_FAILED       0x1e	/* ARS failed */
958 #define CS_LVD_BUS_ERROR    0x21	/* LVD bus error */
959 #define CS_BAD_PAYLOAD      0x80	/* Driver defined */
960 #define CS_UNKNOWN          0x81	/* Driver defined */
961 #define CS_RETRY            0x82	/* Driver defined */
962 
963 /*
964  * ISP target entries - Option flags bit definitions.
965  */
966 #define OF_ENABLE_TAG       BIT_1	/* Tagged queue action enable */
967 #define OF_DATA_IN          BIT_6	/* Data in to initiator */
968 					/*  (data from target to initiator) */
969 #define OF_DATA_OUT         BIT_7	/* Data out from initiator */
970 					/*  (data from initiator to target) */
971 #define OF_NO_DATA          (BIT_7 | BIT_6)
972 #define OF_DISC_DISABLED    BIT_15	/* Disconnects disabled */
973 #define OF_DISABLE_SDP      BIT_24	/* Disable sending save data ptr */
974 #define OF_SEND_RDP         BIT_26	/* Send restore data pointers msg */
975 #define OF_FORCE_DISC       BIT_30	/* Disconnects mandatory */
976 #define OF_SSTS             BIT_31	/* Send SCSI status */
977 
978 
979 /*
980  * BUS parameters/settings structure - UNUSED
981  */
982 struct bus_param {
983 	uint8_t id;		/* Host adapter SCSI id */
984 	uint8_t bus_reset_delay;	/* SCSI bus reset delay. */
985 	uint8_t failed_reset_count;	/* number of time reset failed */
986 	uint8_t unused;
987 	uint16_t device_enables;	/* Device enable bits. */
988 	uint16_t lun_disables;	/* LUN disable bits. */
989 	uint16_t qtag_enables;	/* Tag queue enables. */
990 	uint16_t hiwat;		/* High water mark per device. */
991 	uint8_t reset_marker:1;
992 	uint8_t disable_scsi_reset:1;
993 	uint8_t scsi_bus_dead:1;	/* SCSI Bus is Dead, when 5 back to back resets failed */
994 };
995 
996 
997 struct qla_driver_setup {
998 	uint32_t no_sync:1;
999 	uint32_t no_wide:1;
1000 	uint32_t no_ppr:1;
1001 	uint32_t no_nvram:1;
1002 	uint16_t sync_mask;
1003 	uint16_t wide_mask;
1004 	uint16_t ppr_mask;
1005 };
1006 
1007 
1008 /*
1009  * Linux Host Adapter structure
1010  */
1011 struct scsi_qla_host {
1012 	/* Linux adapter configuration data */
1013 	struct Scsi_Host *host;	/* pointer to host data */
1014 	struct scsi_qla_host *next;
1015 	struct device_reg __iomem *iobase;	/* Base Memory-mapped I/O address */
1016 
1017 	unsigned char __iomem *mmpbase;	/* memory mapped address */
1018 	unsigned long host_no;
1019 	struct pci_dev *pdev;
1020 	uint8_t devnum;
1021 	uint8_t revision;
1022 	uint8_t ports;
1023 
1024 	unsigned long actthreads;
1025 	unsigned long isr_count;	/* Interrupt count */
1026 	unsigned long spurious_int;
1027 
1028 	/* Outstandings ISP commands. */
1029 	struct srb *outstanding_cmds[MAX_OUTSTANDING_COMMANDS];
1030 
1031 	/* BUS configuration data */
1032 	struct bus_param bus_settings[MAX_BUSES];
1033 
1034 	/* Received ISP mailbox data. */
1035 	volatile uint16_t mailbox_out[MAILBOX_REGISTER_COUNT];
1036 
1037 	dma_addr_t request_dma;		/* Physical Address */
1038 	request_t *request_ring;	/* Base virtual address */
1039 	request_t *request_ring_ptr;	/* Current address. */
1040 	uint16_t req_ring_index;	/* Current index. */
1041 	uint16_t req_q_cnt;		/* Number of available entries. */
1042 
1043 	dma_addr_t response_dma;	/* Physical address. */
1044 	struct response *response_ring;	/* Base virtual address */
1045 	struct response *response_ring_ptr;	/* Current address. */
1046 	uint16_t rsp_ring_index;	/* Current index. */
1047 
1048 	struct list_head done_q;	/* Done queue */
1049 
1050 	struct completion *mailbox_wait;
1051 	struct timer_list mailbox_timer;
1052 
1053 	volatile struct {
1054 		uint32_t online:1;			/* 0 */
1055 		uint32_t reset_marker:1;		/* 1 */
1056 		uint32_t disable_host_adapter:1;	/* 2 */
1057 		uint32_t reset_active:1;		/* 3 */
1058 		uint32_t abort_isp_active:1;		/* 4 */
1059 		uint32_t disable_risc_code_load:1;	/* 5 */
1060 	} flags;
1061 
1062 	struct nvram nvram;
1063 	int nvram_valid;
1064 
1065 	/* Firmware Info */
1066 	unsigned short fwstart; /* start address for F/W   */
1067 	unsigned char fwver1;   /* F/W version first char  */
1068 	unsigned char fwver2;   /* F/W version second char */
1069 	unsigned char fwver3;   /* F/W version third char  */
1070 };
1071 
1072 #endif /* _QLA1280_H */
1073