xref: /openbmc/linux/drivers/scsi/qla1280.h (revision 9cfc5c90)
1 /******************************************************************************
2 *                  QLOGIC LINUX SOFTWARE
3 *
4 * QLogic ISP1280 (Ultra2) /12160 (Ultra3) SCSI driver
5 * Copyright (C) 2000 Qlogic Corporation
6 * (www.qlogic.com)
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2, or (at your option) any
11 * later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * General Public License for more details.
17 *
18 ******************************************************************************/
19 
20 #ifndef	_QLA1280_H
21 #define	_QLA1280_H
22 
23 /*
24  * Data bit definitions.
25  */
26 #define BIT_0	0x1
27 #define BIT_1	0x2
28 #define BIT_2	0x4
29 #define BIT_3	0x8
30 #define BIT_4	0x10
31 #define BIT_5	0x20
32 #define BIT_6	0x40
33 #define BIT_7	0x80
34 #define BIT_8	0x100
35 #define BIT_9	0x200
36 #define BIT_10	0x400
37 #define BIT_11	0x800
38 #define BIT_12	0x1000
39 #define BIT_13	0x2000
40 #define BIT_14	0x4000
41 #define BIT_15	0x8000
42 #define BIT_16	0x10000
43 #define BIT_17	0x20000
44 #define BIT_18	0x40000
45 #define BIT_19	0x80000
46 #define BIT_20	0x100000
47 #define BIT_21	0x200000
48 #define BIT_22	0x400000
49 #define BIT_23	0x800000
50 #define BIT_24	0x1000000
51 #define BIT_25	0x2000000
52 #define BIT_26	0x4000000
53 #define BIT_27	0x8000000
54 #define BIT_28	0x10000000
55 #define BIT_29	0x20000000
56 #define BIT_30	0x40000000
57 #define BIT_31	0x80000000
58 
59 #if MEMORY_MAPPED_IO
60 #define RD_REG_WORD(addr)		readw_relaxed(addr)
61 #define RD_REG_WORD_dmasync(addr)	readw(addr)
62 #define WRT_REG_WORD(addr, data)	writew(data, addr)
63 #else				/* MEMORY_MAPPED_IO */
64 #define RD_REG_WORD(addr)		inw((unsigned long)addr)
65 #define RD_REG_WORD_dmasync(addr)	RD_REG_WORD(addr)
66 #define WRT_REG_WORD(addr, data)	outw(data, (unsigned long)addr)
67 #endif				/* MEMORY_MAPPED_IO */
68 
69 /*
70  * Host adapter default definitions.
71  */
72 #define MAX_BUSES	2	/* 2 */
73 #define MAX_B_BITS	1
74 
75 #define MAX_TARGETS	16	/* 16 */
76 #define MAX_T_BITS	4	/* 4 */
77 
78 #define MAX_LUNS	8	/* 32 */
79 #define MAX_L_BITS	3	/* 5 */
80 
81 /*
82  * Watchdog time quantum
83  */
84 #define QLA1280_WDG_TIME_QUANTUM	5	/* In seconds */
85 
86 /* Command retry count (0-65535) */
87 #define COMMAND_RETRY_COUNT		255
88 
89 /* Maximum outstanding commands in ISP queues */
90 #define MAX_OUTSTANDING_COMMANDS	512
91 #define COMPLETED_HANDLE		((unsigned char *) \
92 					(MAX_OUTSTANDING_COMMANDS + 2))
93 
94 /* ISP request and response entry counts (37-65535) */
95 #define REQUEST_ENTRY_CNT		255 /* Number of request entries. */
96 #define RESPONSE_ENTRY_CNT		63  /* Number of response entries. */
97 
98 /*
99  * SCSI Request Block structure  (sp)  that is placed
100  * on cmd->SCp location of every I/O
101  */
102 struct srb {
103 	struct list_head list;		/* (8/16) LU queue */
104 	struct scsi_cmnd *cmd;	/* (4/8) SCSI command block */
105 	/* NOTE: the sp->cmd will be NULL when this completion is
106 	 * called, so you should know the scsi_cmnd when using this */
107 	struct completion *wait;
108 	dma_addr_t saved_dma_handle;	/* for unmap of single transfers */
109 	uint8_t flags;		/* (1) Status flags. */
110 	uint8_t dir;		/* direction of transfer */
111 };
112 
113 /*
114  * SRB flag definitions
115  */
116 #define SRB_TIMEOUT		(1 << 0)	/* Command timed out */
117 #define SRB_SENT		(1 << 1)	/* Command sent to ISP */
118 #define SRB_ABORT_PENDING	(1 << 2)	/* Command abort sent to device */
119 #define SRB_ABORTED		(1 << 3)	/* Command aborted command already */
120 
121 /*
122  *  ISP I/O Register Set structure definitions.
123  */
124 struct device_reg {
125 	uint16_t id_l;		/* ID low */
126 	uint16_t id_h;		/* ID high */
127 	uint16_t cfg_0;		/* Configuration 0 */
128 #define ISP_CFG0_HWMSK   0x000f	/* Hardware revision mask */
129 #define ISP_CFG0_1020    BIT_0	/* ISP1020 */
130 #define ISP_CFG0_1020A	 BIT_1	/* ISP1020A */
131 #define ISP_CFG0_1040	 BIT_2	/* ISP1040 */
132 #define ISP_CFG0_1040A	 BIT_3	/* ISP1040A */
133 #define ISP_CFG0_1040B	 BIT_4	/* ISP1040B */
134 #define ISP_CFG0_1040C	 BIT_5	/* ISP1040C */
135 	uint16_t cfg_1;		/* Configuration 1 */
136 #define ISP_CFG1_F128    BIT_6  /* 128-byte FIFO threshold */
137 #define ISP_CFG1_F64     BIT_4|BIT_5 /* 128-byte FIFO threshold */
138 #define ISP_CFG1_F32     BIT_5  /* 128-byte FIFO threshold */
139 #define ISP_CFG1_F16     BIT_4  /* 128-byte FIFO threshold */
140 #define ISP_CFG1_BENAB   BIT_2  /* Global Bus burst enable */
141 #define ISP_CFG1_SXP     BIT_0  /* SXP register select */
142 	uint16_t ictrl;		/* Interface control */
143 #define ISP_RESET        BIT_0	/* ISP soft reset */
144 #define ISP_EN_INT       BIT_1	/* ISP enable interrupts. */
145 #define ISP_EN_RISC      BIT_2	/* ISP enable RISC interrupts. */
146 #define ISP_FLASH_ENABLE BIT_8	/* Flash BIOS Read/Write enable */
147 #define ISP_FLASH_UPPER  BIT_9	/* Flash upper bank select */
148 	uint16_t istatus;	/* Interface status */
149 #define PCI_64BIT_SLOT   BIT_14	/* PCI 64-bit slot indicator. */
150 #define RISC_INT         BIT_2	/* RISC interrupt */
151 #define PCI_INT          BIT_1	/* PCI interrupt */
152 	uint16_t semaphore;	/* Semaphore */
153 	uint16_t nvram;		/* NVRAM register. */
154 #define NV_DESELECT     0
155 #define NV_CLOCK        BIT_0
156 #define NV_SELECT       BIT_1
157 #define NV_DATA_OUT     BIT_2
158 #define NV_DATA_IN      BIT_3
159 	uint16_t flash_data;	/* Flash BIOS data */
160 	uint16_t flash_address;	/* Flash BIOS address */
161 
162 	uint16_t unused_1[0x06];
163 
164 	/* cdma_* and ddma_* are 1040 only */
165 	uint16_t cdma_cfg;
166 #define CDMA_CONF_SENAB  BIT_3	/* SXP to DMA Data enable */
167 #define CDMA_CONF_RIRQ   BIT_2	/* RISC interrupt enable */
168 #define CDMA_CONF_BENAB  BIT_1	/* Bus burst enable */
169 #define CDMA_CONF_DIR    BIT_0	/* DMA direction (0=fifo->host 1=host->fifo) */
170 	uint16_t cdma_ctrl;
171 	uint16_t cdma_status;
172 	uint16_t cdma_fifo_status;
173 	uint16_t cdma_count;
174 	uint16_t cdma_reserved;
175 	uint16_t cdma_address_count_0;
176 	uint16_t cdma_address_count_1;
177 	uint16_t cdma_address_count_2;
178 	uint16_t cdma_address_count_3;
179 
180 	uint16_t unused_2[0x06];
181 
182 	uint16_t ddma_cfg;
183 #define DDMA_CONF_SENAB  BIT_3	/* SXP to DMA Data enable */
184 #define DDMA_CONF_RIRQ   BIT_2	/* RISC interrupt enable */
185 #define DDMA_CONF_BENAB  BIT_1	/* Bus burst enable */
186 #define DDMA_CONF_DIR    BIT_0	/* DMA direction (0=fifo->host 1=host->fifo) */
187 	uint16_t ddma_ctrl;
188 	uint16_t ddma_status;
189 	uint16_t ddma_fifo_status;
190 	uint16_t ddma_xfer_count_low;
191 	uint16_t ddma_xfer_count_high;
192 	uint16_t ddma_addr_count_0;
193 	uint16_t ddma_addr_count_1;
194 	uint16_t ddma_addr_count_2;
195 	uint16_t ddma_addr_count_3;
196 
197 	uint16_t unused_3[0x0e];
198 
199 	uint16_t mailbox0;	/* Mailbox 0 */
200 	uint16_t mailbox1;	/* Mailbox 1 */
201 	uint16_t mailbox2;	/* Mailbox 2 */
202 	uint16_t mailbox3;	/* Mailbox 3 */
203 	uint16_t mailbox4;	/* Mailbox 4 */
204 	uint16_t mailbox5;	/* Mailbox 5 */
205 	uint16_t mailbox6;	/* Mailbox 6 */
206 	uint16_t mailbox7;	/* Mailbox 7 */
207 
208 	uint16_t unused_4[0x20];/* 0x80-0xbf Gap */
209 
210 	uint16_t host_cmd;	/* Host command and control */
211 #define HOST_INT      BIT_7	/* host interrupt bit */
212 #define BIOS_ENABLE   BIT_0
213 
214 	uint16_t unused_5[0x5];	/* 0xc2-0xcb Gap */
215 
216 	uint16_t gpio_data;
217 	uint16_t gpio_enable;
218 
219 	uint16_t unused_6[0x11];	/* d0-f0 */
220 	uint16_t scsiControlPins;	/* f2 */
221 };
222 
223 #define MAILBOX_REGISTER_COUNT	8
224 
225 /*
226  *  ISP product identification definitions in mailboxes after reset.
227  */
228 #define PROD_ID_1		0x4953
229 #define PROD_ID_2		0x0000
230 #define PROD_ID_2a		0x5020
231 #define PROD_ID_3		0x2020
232 #define PROD_ID_4		0x1
233 
234 /*
235  * ISP host command and control register command definitions
236  */
237 #define HC_RESET_RISC		0x1000	/* Reset RISC */
238 #define HC_PAUSE_RISC		0x2000	/* Pause RISC */
239 #define HC_RELEASE_RISC		0x3000	/* Release RISC from reset. */
240 #define HC_SET_HOST_INT		0x5000	/* Set host interrupt */
241 #define HC_CLR_HOST_INT		0x6000	/* Clear HOST interrupt */
242 #define HC_CLR_RISC_INT		0x7000	/* Clear RISC interrupt */
243 #define HC_DISABLE_BIOS		0x9000	/* Disable BIOS. */
244 
245 /*
246  * ISP mailbox Self-Test status codes
247  */
248 #define MBS_FRM_ALIVE		0	/* Firmware Alive. */
249 #define MBS_CHKSUM_ERR		1	/* Checksum Error. */
250 #define MBS_SHADOW_LD_ERR	2	/* Shadow Load Error. */
251 #define MBS_BUSY		4	/* Busy. */
252 
253 /*
254  * ISP mailbox command complete status codes
255  */
256 #define MBS_CMD_CMP		0x4000	/* Command Complete. */
257 #define MBS_INV_CMD		0x4001	/* Invalid Command. */
258 #define MBS_HOST_INF_ERR	0x4002	/* Host Interface Error. */
259 #define MBS_TEST_FAILED		0x4003	/* Test Failed. */
260 #define MBS_CMD_ERR		0x4005	/* Command Error. */
261 #define MBS_CMD_PARAM_ERR	0x4006	/* Command Parameter Error. */
262 
263 /*
264  * ISP mailbox asynchronous event status codes
265  */
266 #define MBA_ASYNC_EVENT		0x8000	/* Asynchronous event. */
267 #define MBA_BUS_RESET		0x8001	/* SCSI Bus Reset. */
268 #define MBA_SYSTEM_ERR		0x8002	/* System Error. */
269 #define MBA_REQ_TRANSFER_ERR	0x8003	/* Request Transfer Error. */
270 #define MBA_RSP_TRANSFER_ERR	0x8004	/* Response Transfer Error. */
271 #define MBA_WAKEUP_THRES	0x8005	/* Request Queue Wake-up. */
272 #define MBA_TIMEOUT_RESET	0x8006	/* Execution Timeout Reset. */
273 #define MBA_DEVICE_RESET	0x8007	/* Bus Device Reset. */
274 #define MBA_BUS_MODE_CHANGE	0x800E	/* SCSI bus mode transition. */
275 #define MBA_SCSI_COMPLETION	0x8020	/* Completion response. */
276 
277 /*
278  * ISP mailbox commands
279  */
280 #define MBC_NOP				0	/* No Operation */
281 #define MBC_LOAD_RAM			1	/* Load RAM */
282 #define MBC_EXECUTE_FIRMWARE		2	/* Execute firmware */
283 #define MBC_DUMP_RAM			3	/* Dump RAM contents */
284 #define MBC_WRITE_RAM_WORD		4	/* Write ram word */
285 #define MBC_READ_RAM_WORD		5	/* Read ram word */
286 #define MBC_MAILBOX_REGISTER_TEST	6	/* Wrap incoming mailboxes */
287 #define MBC_VERIFY_CHECKSUM		7	/* Verify checksum */
288 #define MBC_ABOUT_FIRMWARE		8	/* Get firmware revision */
289 #define MBC_INIT_REQUEST_QUEUE		0x10	/* Initialize request queue */
290 #define MBC_INIT_RESPONSE_QUEUE		0x11	/* Initialize response queue */
291 #define MBC_EXECUTE_IOCB		0x12	/* Execute IOCB command */
292 #define MBC_ABORT_COMMAND		0x15	/* Abort IOCB command */
293 #define MBC_ABORT_DEVICE		0x16	/* Abort device (ID/LUN) */
294 #define MBC_ABORT_TARGET		0x17	/* Abort target (ID) */
295 #define MBC_BUS_RESET			0x18	/* SCSI bus reset */
296 #define MBC_GET_RETRY_COUNT		0x22	/* Get retry count and delay */
297 #define MBC_GET_TARGET_PARAMETERS	0x28	/* Get target parameters */
298 #define MBC_SET_INITIATOR_ID		0x30	/* Set initiator SCSI ID */
299 #define MBC_SET_SELECTION_TIMEOUT	0x31	/* Set selection timeout */
300 #define MBC_SET_RETRY_COUNT		0x32	/* Set retry count and delay */
301 #define MBC_SET_TAG_AGE_LIMIT		0x33	/* Set tag age limit */
302 #define MBC_SET_CLOCK_RATE		0x34	/* Set clock rate */
303 #define MBC_SET_ACTIVE_NEGATION		0x35	/* Set active negation state */
304 #define MBC_SET_ASYNC_DATA_SETUP	0x36	/* Set async data setup time */
305 #define MBC_SET_PCI_CONTROL		0x37	/* Set BUS control parameters */
306 #define MBC_SET_TARGET_PARAMETERS	0x38	/* Set target parameters */
307 #define MBC_SET_DEVICE_QUEUE		0x39	/* Set device queue parameters */
308 #define MBC_SET_RESET_DELAY_PARAMETERS	0x3A	/* Set reset delay parameters */
309 #define MBC_SET_SYSTEM_PARAMETER	0x45	/* Set system parameter word */
310 #define MBC_SET_FIRMWARE_FEATURES	0x4A	/* Set firmware feature word */
311 #define MBC_INIT_REQUEST_QUEUE_A64	0x52	/* Initialize request queue A64 */
312 #define MBC_INIT_RESPONSE_QUEUE_A64	0x53	/* Initialize response q A64 */
313 #define MBC_ENABLE_TARGET_MODE		0x55	/* Enable target mode */
314 #define MBC_SET_DATA_OVERRUN_RECOVERY	0x5A	/* Set data overrun recovery mode */
315 
316 /*
317  * ISP Get/Set Target Parameters mailbox command control flags.
318  */
319 #define TP_PPR			BIT_5	/* PPR */
320 #define TP_RENEGOTIATE		BIT_8	/* Renegotiate on error. */
321 #define TP_STOP_QUEUE           BIT_9	/* Stop que on check condition */
322 #define TP_AUTO_REQUEST_SENSE   BIT_10	/* Automatic request sense. */
323 #define TP_TAGGED_QUEUE         BIT_11	/* Tagged queuing. */
324 #define TP_SYNC                 BIT_12	/* Synchronous data transfers. */
325 #define TP_WIDE                 BIT_13	/* Wide data transfers. */
326 #define TP_PARITY               BIT_14	/* Parity checking. */
327 #define TP_DISCONNECT           BIT_15	/* Disconnect privilege. */
328 
329 /*
330  * NVRAM Command values.
331  */
332 #define NV_START_BIT		BIT_2
333 #define NV_WRITE_OP		(BIT_26 | BIT_24)
334 #define NV_READ_OP		(BIT_26 | BIT_25)
335 #define NV_ERASE_OP		(BIT_26 | BIT_25 | BIT_24)
336 #define NV_MASK_OP		(BIT_26 | BIT_25 | BIT_24)
337 #define NV_DELAY_COUNT		10
338 
339 /*
340  *  QLogic ISP1280/ISP12160 NVRAM structure definition.
341  */
342 struct nvram {
343 	uint8_t id0;		/* 0 */
344 	uint8_t id1;		/* 1 */
345 	uint8_t id2;		/* 2 */
346 	uint8_t id3;		/* 3 */
347 	uint8_t version;	/* 4 */
348 
349 	struct {
350 		uint8_t bios_configuration_mode:2;
351 		uint8_t bios_disable:1;
352 		uint8_t selectable_scsi_boot_enable:1;
353 		uint8_t cd_rom_boot_enable:1;
354 		uint8_t disable_loading_risc_code:1;
355 		uint8_t enable_64bit_addressing:1;
356 		uint8_t unused_7:1;
357 	} cntr_flags_1;		/* 5 */
358 
359 	struct {
360 		uint8_t boot_lun_number:5;
361 		uint8_t scsi_bus_number:1;
362 		uint8_t unused_6:1;
363 		uint8_t unused_7:1;
364 	} cntr_flags_2l;	/* 7 */
365 
366 	struct {
367 		uint8_t boot_target_number:4;
368 		uint8_t unused_12:1;
369 		uint8_t unused_13:1;
370 		uint8_t unused_14:1;
371 		uint8_t unused_15:1;
372 	} cntr_flags_2h;	/* 8 */
373 
374 	uint16_t unused_8;	/* 8, 9 */
375 	uint16_t unused_10;	/* 10, 11 */
376 	uint16_t unused_12;	/* 12, 13 */
377 	uint16_t unused_14;	/* 14, 15 */
378 
379 	struct {
380 		uint8_t reserved:2;
381 		uint8_t burst_enable:1;
382 		uint8_t reserved_1:1;
383 		uint8_t fifo_threshold:4;
384 	} isp_config;		/* 16 */
385 
386 	/* Termination
387 	 * 0 = Disable, 1 = high only, 3 = Auto term
388 	 */
389 	struct {
390 		uint8_t scsi_bus_1_control:2;
391 		uint8_t scsi_bus_0_control:2;
392 		uint8_t unused_0:1;
393 		uint8_t unused_1:1;
394 		uint8_t unused_2:1;
395 		uint8_t auto_term_support:1;
396 	} termination;		/* 17 */
397 
398 	uint16_t isp_parameter;	/* 18, 19 */
399 
400 	union {
401 		uint16_t w;
402 		struct {
403 			uint16_t enable_fast_posting:1;
404 			uint16_t report_lvd_bus_transition:1;
405 			uint16_t unused_2:1;
406 			uint16_t unused_3:1;
407 			uint16_t disable_iosbs_with_bus_reset_status:1;
408 			uint16_t disable_synchronous_backoff:1;
409 			uint16_t unused_6:1;
410 			uint16_t synchronous_backoff_reporting:1;
411 			uint16_t disable_reselection_fairness:1;
412 			uint16_t unused_9:1;
413 			uint16_t unused_10:1;
414 			uint16_t unused_11:1;
415 			uint16_t unused_12:1;
416 			uint16_t unused_13:1;
417 			uint16_t unused_14:1;
418 			uint16_t unused_15:1;
419 		} f;
420 	} firmware_feature;	/* 20, 21 */
421 
422 	uint16_t unused_22;	/* 22, 23 */
423 
424 	struct {
425 		struct {
426 			uint8_t initiator_id:4;
427 			uint8_t scsi_reset_disable:1;
428 			uint8_t scsi_bus_size:1;
429 			uint8_t scsi_bus_type:1;
430 			uint8_t unused_7:1;
431 		} config_1;	/* 24 */
432 
433 		uint8_t bus_reset_delay;	/* 25 */
434 		uint8_t retry_count;	/* 26 */
435 		uint8_t retry_delay;	/* 27 */
436 
437 		struct {
438 			uint8_t async_data_setup_time:4;
439 			uint8_t req_ack_active_negation:1;
440 			uint8_t data_line_active_negation:1;
441 			uint8_t unused_6:1;
442 			uint8_t unused_7:1;
443 		} config_2;	/* 28 */
444 
445 		uint8_t unused_29;	/* 29 */
446 
447 		uint16_t selection_timeout;	/* 30, 31 */
448 		uint16_t max_queue_depth;	/* 32, 33 */
449 
450 		uint16_t unused_34;	/* 34, 35 */
451 		uint16_t unused_36;	/* 36, 37 */
452 		uint16_t unused_38;	/* 38, 39 */
453 
454 		struct {
455 			struct {
456 				uint8_t renegotiate_on_error:1;
457 				uint8_t stop_queue_on_check:1;
458 				uint8_t auto_request_sense:1;
459 				uint8_t tag_queuing:1;
460 				uint8_t enable_sync:1;
461 				uint8_t enable_wide:1;
462 				uint8_t parity_checking:1;
463 				uint8_t disconnect_allowed:1;
464 			} parameter;	/* 40 */
465 
466 			uint8_t execution_throttle;	/* 41 */
467 			uint8_t sync_period;	/* 42 */
468 
469 			union {		/* 43 */
470 				uint8_t flags_43;
471 				struct {
472 					uint8_t sync_offset:4;
473 					uint8_t device_enable:1;
474 					uint8_t lun_disable:1;
475 					uint8_t unused_6:1;
476 					uint8_t unused_7:1;
477 				} flags1x80;
478 				struct {
479 					uint8_t sync_offset:5;
480 					uint8_t device_enable:1;
481 					uint8_t unused_6:1;
482 					uint8_t unused_7:1;
483 				} flags1x160;
484 			} flags;
485 			union {	/* PPR flags for the 1x160 controllers */
486 				uint8_t unused_44;
487 				struct {
488 					uint8_t ppr_options:4;
489 					uint8_t ppr_bus_width:2;
490 					uint8_t unused_8:1;
491 					uint8_t enable_ppr:1;
492 				} flags;	/* 44 */
493 			} ppr_1x160;
494 			uint8_t unused_45;	/* 45 */
495 		} target[MAX_TARGETS];
496 	} bus[MAX_BUSES];
497 
498 	uint16_t unused_248;	/* 248, 249 */
499 
500 	uint16_t subsystem_id[2];	/* 250, 251, 252, 253 */
501 
502 	union {				/* 254 */
503 		uint8_t unused_254;
504 		uint8_t system_id_pointer;
505 	} sysid_1x160;
506 
507 	uint8_t chksum;		/* 255 */
508 };
509 
510 /*
511  * ISP queue - command entry structure definition.
512  */
513 #define MAX_CMDSZ	12		/* SCSI maximum CDB size. */
514 struct cmd_entry {
515 	uint8_t entry_type;		/* Entry type. */
516 #define COMMAND_TYPE    1		/* Command entry */
517 	uint8_t entry_count;		/* Entry count. */
518 	uint8_t sys_define;		/* System defined. */
519 	uint8_t entry_status;		/* Entry Status. */
520 	__le32 handle;			/* System handle. */
521 	uint8_t lun;			/* SCSI LUN */
522 	uint8_t target;			/* SCSI ID */
523 	__le16 cdb_len;			/* SCSI command length. */
524 	__le16 control_flags;		/* Control flags. */
525 	__le16 reserved;
526 	__le16 timeout;			/* Command timeout. */
527 	__le16 dseg_count;		/* Data segment count. */
528 	uint8_t scsi_cdb[MAX_CMDSZ];	/* SCSI command words. */
529 	__le32 dseg_0_address;		/* Data segment 0 address. */
530 	__le32 dseg_0_length;		/* Data segment 0 length. */
531 	__le32 dseg_1_address;		/* Data segment 1 address. */
532 	__le32 dseg_1_length;		/* Data segment 1 length. */
533 	__le32 dseg_2_address;		/* Data segment 2 address. */
534 	__le32 dseg_2_length;		/* Data segment 2 length. */
535 	__le32 dseg_3_address;		/* Data segment 3 address. */
536 	__le32 dseg_3_length;		/* Data segment 3 length. */
537 };
538 
539 /*
540  * ISP queue - continuation entry structure definition.
541  */
542 struct cont_entry {
543 	uint8_t entry_type;		/* Entry type. */
544 #define CONTINUE_TYPE   2		/* Continuation entry. */
545 	uint8_t entry_count;		/* Entry count. */
546 	uint8_t sys_define;		/* System defined. */
547 	uint8_t entry_status;		/* Entry Status. */
548 	__le32 reserved;		/* Reserved */
549 	__le32 dseg_0_address;		/* Data segment 0 address. */
550 	__le32 dseg_0_length;		/* Data segment 0 length. */
551 	__le32 dseg_1_address;		/* Data segment 1 address. */
552 	__le32 dseg_1_length;		/* Data segment 1 length. */
553 	__le32 dseg_2_address;		/* Data segment 2 address. */
554 	__le32 dseg_2_length;		/* Data segment 2 length. */
555 	__le32 dseg_3_address;		/* Data segment 3 address. */
556 	__le32 dseg_3_length;		/* Data segment 3 length. */
557 	__le32 dseg_4_address;		/* Data segment 4 address. */
558 	__le32 dseg_4_length;		/* Data segment 4 length. */
559 	__le32 dseg_5_address;		/* Data segment 5 address. */
560 	__le32 dseg_5_length;		/* Data segment 5 length. */
561 	__le32 dseg_6_address;		/* Data segment 6 address. */
562 	__le32 dseg_6_length;		/* Data segment 6 length. */
563 };
564 
565 /*
566  * ISP queue - status entry structure definition.
567  */
568 struct response {
569 	uint8_t entry_type;	/* Entry type. */
570 #define STATUS_TYPE     3	/* Status entry. */
571 	uint8_t entry_count;	/* Entry count. */
572 	uint8_t sys_define;	/* System defined. */
573 	uint8_t entry_status;	/* Entry Status. */
574 #define RF_CONT         BIT_0	/* Continuation. */
575 #define RF_FULL         BIT_1	/* Full */
576 #define RF_BAD_HEADER   BIT_2	/* Bad header. */
577 #define RF_BAD_PAYLOAD  BIT_3	/* Bad payload. */
578 	__le32 handle;		/* System handle. */
579 	__le16 scsi_status;	/* SCSI status. */
580 	__le16 comp_status;	/* Completion status. */
581 	__le16 state_flags;	/* State flags. */
582 #define SF_TRANSFER_CMPL	BIT_14	/* Transfer Complete. */
583 #define SF_GOT_SENSE	 	BIT_13	/* Got Sense */
584 #define SF_GOT_STATUS	 	BIT_12	/* Got Status */
585 #define SF_TRANSFERRED_DATA	BIT_11	/* Transferred data */
586 #define SF_SENT_CDB	 	BIT_10	/* Send CDB */
587 #define SF_GOT_TARGET	 	BIT_9	/*  */
588 #define SF_GOT_BUS	 	BIT_8	/*  */
589 	__le16 status_flags;	/* Status flags. */
590 	__le16 time;		/* Time. */
591 	__le16 req_sense_length;/* Request sense data length. */
592 	__le32 residual_length;	/* Residual transfer length. */
593 	__le16 reserved[4];
594 	uint8_t req_sense_data[32];	/* Request sense data. */
595 };
596 
597 /*
598  * ISP queue - marker entry structure definition.
599  */
600 struct mrk_entry {
601 	uint8_t entry_type;	/* Entry type. */
602 #define MARKER_TYPE     4	/* Marker entry. */
603 	uint8_t entry_count;	/* Entry count. */
604 	uint8_t sys_define;	/* System defined. */
605 	uint8_t entry_status;	/* Entry Status. */
606 	__le32 reserved;
607 	uint8_t lun;		/* SCSI LUN */
608 	uint8_t target;		/* SCSI ID */
609 	uint8_t modifier;	/* Modifier (7-0). */
610 #define MK_SYNC_ID_LUN      0	/* Synchronize ID/LUN */
611 #define MK_SYNC_ID          1	/* Synchronize ID */
612 #define MK_SYNC_ALL         2	/* Synchronize all ID/LUN */
613 	uint8_t reserved_1[53];
614 };
615 
616 /*
617  * ISP queue - extended command entry structure definition.
618  *
619  * Unused by the driver!
620  */
621 struct ecmd_entry {
622 	uint8_t entry_type;	/* Entry type. */
623 #define EXTENDED_CMD_TYPE  5	/* Extended command entry. */
624 	uint8_t entry_count;	/* Entry count. */
625 	uint8_t sys_define;	/* System defined. */
626 	uint8_t entry_status;	/* Entry Status. */
627 	uint32_t handle;	/* System handle. */
628 	uint8_t lun;		/* SCSI LUN */
629 	uint8_t target;		/* SCSI ID */
630 	__le16 cdb_len;		/* SCSI command length. */
631 	__le16 control_flags;	/* Control flags. */
632 	__le16 reserved;
633 	__le16 timeout;		/* Command timeout. */
634 	__le16 dseg_count;	/* Data segment count. */
635 	uint8_t scsi_cdb[88];	/* SCSI command words. */
636 };
637 
638 /*
639  * ISP queue - 64-Bit addressing, command entry structure definition.
640  */
641 typedef struct {
642 	uint8_t entry_type;	/* Entry type. */
643 #define COMMAND_A64_TYPE 9	/* Command A64 entry */
644 	uint8_t entry_count;	/* Entry count. */
645 	uint8_t sys_define;	/* System defined. */
646 	uint8_t entry_status;	/* Entry Status. */
647 	__le32 handle;	/* System handle. */
648 	uint8_t lun;		/* SCSI LUN */
649 	uint8_t target;		/* SCSI ID */
650 	__le16 cdb_len;	/* SCSI command length. */
651 	__le16 control_flags;	/* Control flags. */
652 	__le16 reserved;
653 	__le16 timeout;	/* Command timeout. */
654 	__le16 dseg_count;	/* Data segment count. */
655 	uint8_t scsi_cdb[MAX_CMDSZ];	/* SCSI command words. */
656 	__le32 reserved_1[2];	/* unused */
657 	__le32 dseg_0_address[2];	/* Data segment 0 address. */
658 	__le32 dseg_0_length;	/* Data segment 0 length. */
659 	__le32 dseg_1_address[2];	/* Data segment 1 address. */
660 	__le32 dseg_1_length;	/* Data segment 1 length. */
661 } cmd_a64_entry_t, request_t;
662 
663 /*
664  * ISP queue - 64-Bit addressing, continuation entry structure definition.
665  */
666 struct cont_a64_entry {
667 	uint8_t entry_type;	/* Entry type. */
668 #define CONTINUE_A64_TYPE 0xA	/* Continuation A64 entry. */
669 	uint8_t entry_count;	/* Entry count. */
670 	uint8_t sys_define;	/* System defined. */
671 	uint8_t entry_status;	/* Entry Status. */
672 	__le32 dseg_0_address[2];	/* Data segment 0 address. */
673 	__le32 dseg_0_length;		/* Data segment 0 length. */
674 	__le32 dseg_1_address[2];	/* Data segment 1 address. */
675 	__le32 dseg_1_length;		/* Data segment 1 length. */
676 	__le32 dseg_2_address[2];	/* Data segment 2 address. */
677 	__le32 dseg_2_length;		/* Data segment 2 length. */
678 	__le32 dseg_3_address[2];	/* Data segment 3 address. */
679 	__le32 dseg_3_length;		/* Data segment 3 length. */
680 	__le32 dseg_4_address[2];	/* Data segment 4 address. */
681 	__le32 dseg_4_length;		/* Data segment 4 length. */
682 };
683 
684 /*
685  * ISP queue - enable LUN entry structure definition.
686  */
687 struct elun_entry {
688 	uint8_t entry_type;	/* Entry type. */
689 #define ENABLE_LUN_TYPE 0xB	/* Enable LUN entry. */
690 	uint8_t entry_count;	/* Entry count. */
691 	uint8_t reserved_1;
692 	uint8_t entry_status;	/* Entry Status not used. */
693 	__le32 reserved_2;
694 	__le16 lun;		/* Bit 15 is bus number. */
695 	__le16 reserved_4;
696 	__le32 option_flags;
697 	uint8_t status;
698 	uint8_t reserved_5;
699 	uint8_t command_count;	/* Number of ATIOs allocated. */
700 	uint8_t immed_notify_count;	/* Number of Immediate Notify */
701 	/* entries allocated. */
702 	uint8_t group_6_length;	/* SCSI CDB length for group 6 */
703 	/* commands (2-26). */
704 	uint8_t group_7_length;	/* SCSI CDB length for group 7 */
705 	/* commands (2-26). */
706 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
707 	__le16 reserved_6[20];
708 };
709 
710 /*
711  * ISP queue - modify LUN entry structure definition.
712  *
713  * Unused by the driver!
714  */
715 struct modify_lun_entry {
716 	uint8_t entry_type;	/* Entry type. */
717 #define MODIFY_LUN_TYPE 0xC	/* Modify LUN entry. */
718 	uint8_t entry_count;	/* Entry count. */
719 	uint8_t reserved_1;
720 	uint8_t entry_status;	/* Entry Status. */
721 	__le32 reserved_2;
722 	uint8_t lun;		/* SCSI LUN */
723 	uint8_t reserved_3;
724 	uint8_t operators;
725 	uint8_t reserved_4;
726 	__le32 option_flags;
727 	uint8_t status;
728 	uint8_t reserved_5;
729 	uint8_t command_count;	/* Number of ATIOs allocated. */
730 	uint8_t immed_notify_count;	/* Number of Immediate Notify */
731 	/* entries allocated. */
732 	__le16 reserved_6;
733 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
734 	__le16 reserved_7[20];
735 };
736 
737 /*
738  * ISP queue - immediate notify entry structure definition.
739  */
740 struct notify_entry {
741 	uint8_t entry_type;	/* Entry type. */
742 #define IMMED_NOTIFY_TYPE 0xD	/* Immediate notify entry. */
743 	uint8_t entry_count;	/* Entry count. */
744 	uint8_t reserved_1;
745 	uint8_t entry_status;	/* Entry Status. */
746 	__le32 reserved_2;
747 	uint8_t lun;
748 	uint8_t initiator_id;
749 	uint8_t reserved_3;
750 	uint8_t target_id;
751 	__le32 option_flags;
752 	uint8_t status;
753 	uint8_t reserved_4;
754 	uint8_t tag_value;	/* Received queue tag message value */
755 	uint8_t tag_type;	/* Received queue tag message type */
756 	/* entries allocated. */
757 	__le16 seq_id;
758 	uint8_t scsi_msg[8];	/* SCSI message not handled by ISP */
759 	__le16 reserved_5[8];
760 	uint8_t sense_data[18];
761 };
762 
763 /*
764  * ISP queue - notify acknowledge entry structure definition.
765  */
766 struct nack_entry {
767 	uint8_t entry_type;	/* Entry type. */
768 #define NOTIFY_ACK_TYPE 0xE	/* Notify acknowledge entry. */
769 	uint8_t entry_count;	/* Entry count. */
770 	uint8_t reserved_1;
771 	uint8_t entry_status;	/* Entry Status. */
772 	__le32 reserved_2;
773 	uint8_t lun;
774 	uint8_t initiator_id;
775 	uint8_t reserved_3;
776 	uint8_t target_id;
777 	__le32 option_flags;
778 	uint8_t status;
779 	uint8_t event;
780 	__le16 seq_id;
781 	__le16 reserved_4[22];
782 };
783 
784 /*
785  * ISP queue - Accept Target I/O (ATIO) entry structure definition.
786  */
787 struct atio_entry {
788 	uint8_t entry_type;	/* Entry type. */
789 #define ACCEPT_TGT_IO_TYPE 6	/* Accept target I/O entry. */
790 	uint8_t entry_count;	/* Entry count. */
791 	uint8_t reserved_1;
792 	uint8_t entry_status;	/* Entry Status. */
793 	__le32 reserved_2;
794 	uint8_t lun;
795 	uint8_t initiator_id;
796 	uint8_t cdb_len;
797 	uint8_t target_id;
798 	__le32 option_flags;
799 	uint8_t status;
800 	uint8_t scsi_status;
801 	uint8_t tag_value;	/* Received queue tag message value */
802 	uint8_t tag_type;	/* Received queue tag message type */
803 	uint8_t cdb[26];
804 	uint8_t sense_data[18];
805 };
806 
807 /*
808  * ISP queue - Continue Target I/O (CTIO) entry structure definition.
809  */
810 struct ctio_entry {
811 	uint8_t entry_type;	/* Entry type. */
812 #define CONTINUE_TGT_IO_TYPE 7	/* CTIO entry */
813 	uint8_t entry_count;	/* Entry count. */
814 	uint8_t reserved_1;
815 	uint8_t entry_status;	/* Entry Status. */
816 	__le32 reserved_2;
817 	uint8_t lun;		/* SCSI LUN */
818 	uint8_t initiator_id;
819 	uint8_t reserved_3;
820 	uint8_t target_id;
821 	__le32 option_flags;
822 	uint8_t status;
823 	uint8_t scsi_status;
824 	uint8_t tag_value;	/* Received queue tag message value */
825 	uint8_t tag_type;	/* Received queue tag message type */
826 	__le32 transfer_length;
827 	__le32 residual;
828 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
829 	__le16 dseg_count;	/* Data segment count. */
830 	__le32 dseg_0_address;	/* Data segment 0 address. */
831 	__le32 dseg_0_length;	/* Data segment 0 length. */
832 	__le32 dseg_1_address;	/* Data segment 1 address. */
833 	__le32 dseg_1_length;	/* Data segment 1 length. */
834 	__le32 dseg_2_address;	/* Data segment 2 address. */
835 	__le32 dseg_2_length;	/* Data segment 2 length. */
836 	__le32 dseg_3_address;	/* Data segment 3 address. */
837 	__le32 dseg_3_length;	/* Data segment 3 length. */
838 };
839 
840 /*
841  * ISP queue - CTIO returned entry structure definition.
842  */
843 struct ctio_ret_entry {
844 	uint8_t entry_type;	/* Entry type. */
845 #define CTIO_RET_TYPE   7	/* CTIO return entry */
846 	uint8_t entry_count;	/* Entry count. */
847 	uint8_t reserved_1;
848 	uint8_t entry_status;	/* Entry Status. */
849 	__le32 reserved_2;
850 	uint8_t lun;		/* SCSI LUN */
851 	uint8_t initiator_id;
852 	uint8_t reserved_3;
853 	uint8_t target_id;
854 	__le32 option_flags;
855 	uint8_t status;
856 	uint8_t scsi_status;
857 	uint8_t tag_value;	/* Received queue tag message value */
858 	uint8_t tag_type;	/* Received queue tag message type */
859 	__le32 transfer_length;
860 	__le32 residual;
861 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
862 	__le16 dseg_count;	/* Data segment count. */
863 	__le32 dseg_0_address;	/* Data segment 0 address. */
864 	__le32 dseg_0_length;	/* Data segment 0 length. */
865 	__le32 dseg_1_address;	/* Data segment 1 address. */
866 	__le16 dseg_1_length;	/* Data segment 1 length. */
867 	uint8_t sense_data[18];
868 };
869 
870 /*
871  * ISP queue - CTIO A64 entry structure definition.
872  */
873 struct ctio_a64_entry {
874 	uint8_t entry_type;	/* Entry type. */
875 #define CTIO_A64_TYPE 0xF	/* CTIO A64 entry */
876 	uint8_t entry_count;	/* Entry count. */
877 	uint8_t reserved_1;
878 	uint8_t entry_status;	/* Entry Status. */
879 	__le32 reserved_2;
880 	uint8_t lun;		/* SCSI LUN */
881 	uint8_t initiator_id;
882 	uint8_t reserved_3;
883 	uint8_t target_id;
884 	__le32 option_flags;
885 	uint8_t status;
886 	uint8_t scsi_status;
887 	uint8_t tag_value;	/* Received queue tag message value */
888 	uint8_t tag_type;	/* Received queue tag message type */
889 	__le32 transfer_length;
890 	__le32 residual;
891 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
892 	__le16 dseg_count;	/* Data segment count. */
893 	__le32 reserved_4[2];
894 	__le32 dseg_0_address[2];/* Data segment 0 address. */
895 	__le32 dseg_0_length;	/* Data segment 0 length. */
896 	__le32 dseg_1_address[2];/* Data segment 1 address. */
897 	__le32 dseg_1_length;	/* Data segment 1 length. */
898 };
899 
900 /*
901  * ISP queue - CTIO returned entry structure definition.
902  */
903 struct ctio_a64_ret_entry {
904 	uint8_t entry_type;	/* Entry type. */
905 #define CTIO_A64_RET_TYPE 0xF	/* CTIO A64 returned entry */
906 	uint8_t entry_count;	/* Entry count. */
907 	uint8_t reserved_1;
908 	uint8_t entry_status;	/* Entry Status. */
909 	__le32 reserved_2;
910 	uint8_t lun;		/* SCSI LUN */
911 	uint8_t initiator_id;
912 	uint8_t reserved_3;
913 	uint8_t target_id;
914 	__le32 option_flags;
915 	uint8_t status;
916 	uint8_t scsi_status;
917 	uint8_t tag_value;	/* Received queue tag message value */
918 	uint8_t tag_type;	/* Received queue tag message type */
919 	__le32 transfer_length;
920 	__le32 residual;
921 	__le16 timeout;		/* 0 = 30 seconds, 0xFFFF = disable */
922 	__le16 dseg_count;	/* Data segment count. */
923 	__le16 reserved_4[7];
924 	uint8_t sense_data[18];
925 };
926 
927 /*
928  * ISP request and response queue entry sizes
929  */
930 #define RESPONSE_ENTRY_SIZE	(sizeof(struct response))
931 #define REQUEST_ENTRY_SIZE	(sizeof(request_t))
932 
933 /*
934  * ISP status entry - completion status definitions.
935  */
936 #define CS_COMPLETE         0x0	/* No errors */
937 #define CS_INCOMPLETE       0x1	/* Incomplete transfer of cmd. */
938 #define CS_DMA              0x2	/* A DMA direction error. */
939 #define CS_TRANSPORT        0x3	/* Transport error. */
940 #define CS_RESET            0x4	/* SCSI bus reset occurred */
941 #define CS_ABORTED          0x5	/* System aborted command. */
942 #define CS_TIMEOUT          0x6	/* Timeout error. */
943 #define CS_DATA_OVERRUN     0x7	/* Data overrun. */
944 #define CS_COMMAND_OVERRUN  0x8	/* Command Overrun. */
945 #define CS_STATUS_OVERRUN   0x9	/* Status Overrun. */
946 #define CS_BAD_MSG          0xA	/* Bad msg after status phase. */
947 #define CS_NO_MSG_OUT       0xB	/* No msg out after selection. */
948 #define CS_EXTENDED_ID      0xC	/* Extended ID failed. */
949 #define CS_IDE_MSG          0xD	/* Target rejected IDE msg. */
950 #define CS_ABORT_MSG        0xE	/* Target rejected abort msg. */
951 #define CS_REJECT_MSG       0xF	/* Target rejected reject msg. */
952 #define CS_NOP_MSG          0x10	/* Target rejected NOP msg. */
953 #define CS_PARITY_MSG       0x11	/* Target rejected parity msg. */
954 #define CS_DEV_RESET_MSG    0x12	/* Target rejected dev rst msg. */
955 #define CS_ID_MSG           0x13	/* Target rejected ID msg. */
956 #define CS_FREE             0x14	/* Unexpected bus free. */
957 #define CS_DATA_UNDERRUN    0x15	/* Data Underrun. */
958 #define CS_TRANACTION_1     0x18	/* Transaction error 1 */
959 #define CS_TRANACTION_2     0x19	/* Transaction error 2 */
960 #define CS_TRANACTION_3     0x1a	/* Transaction error 3 */
961 #define CS_INV_ENTRY_TYPE   0x1b	/* Invalid entry type */
962 #define CS_DEV_QUEUE_FULL   0x1c	/* Device queue full */
963 #define CS_PHASED_SKIPPED   0x1d	/* SCSI phase skipped */
964 #define CS_ARS_FAILED       0x1e	/* ARS failed */
965 #define CS_LVD_BUS_ERROR    0x21	/* LVD bus error */
966 #define CS_BAD_PAYLOAD      0x80	/* Driver defined */
967 #define CS_UNKNOWN          0x81	/* Driver defined */
968 #define CS_RETRY            0x82	/* Driver defined */
969 
970 /*
971  * ISP target entries - Option flags bit definitions.
972  */
973 #define OF_ENABLE_TAG       BIT_1	/* Tagged queue action enable */
974 #define OF_DATA_IN          BIT_6	/* Data in to initiator */
975 					/*  (data from target to initiator) */
976 #define OF_DATA_OUT         BIT_7	/* Data out from initiator */
977 					/*  (data from initiator to target) */
978 #define OF_NO_DATA          (BIT_7 | BIT_6)
979 #define OF_DISC_DISABLED    BIT_15	/* Disconnects disabled */
980 #define OF_DISABLE_SDP      BIT_24	/* Disable sending save data ptr */
981 #define OF_SEND_RDP         BIT_26	/* Send restore data pointers msg */
982 #define OF_FORCE_DISC       BIT_30	/* Disconnects mandatory */
983 #define OF_SSTS             BIT_31	/* Send SCSI status */
984 
985 
986 /*
987  * BUS parameters/settings structure - UNUSED
988  */
989 struct bus_param {
990 	uint8_t id;		/* Host adapter SCSI id */
991 	uint8_t bus_reset_delay;	/* SCSI bus reset delay. */
992 	uint8_t failed_reset_count;	/* number of time reset failed */
993 	uint8_t unused;
994 	uint16_t device_enables;	/* Device enable bits. */
995 	uint16_t lun_disables;	/* LUN disable bits. */
996 	uint16_t qtag_enables;	/* Tag queue enables. */
997 	uint16_t hiwat;		/* High water mark per device. */
998 	uint8_t reset_marker:1;
999 	uint8_t disable_scsi_reset:1;
1000 	uint8_t scsi_bus_dead:1;	/* SCSI Bus is Dead, when 5 back to back resets failed */
1001 };
1002 
1003 
1004 struct qla_driver_setup {
1005 	uint32_t no_sync:1;
1006 	uint32_t no_wide:1;
1007 	uint32_t no_ppr:1;
1008 	uint32_t no_nvram:1;
1009 	uint16_t sync_mask;
1010 	uint16_t wide_mask;
1011 	uint16_t ppr_mask;
1012 };
1013 
1014 
1015 /*
1016  * Linux Host Adapter structure
1017  */
1018 struct scsi_qla_host {
1019 	/* Linux adapter configuration data */
1020 	struct Scsi_Host *host;	/* pointer to host data */
1021 	struct scsi_qla_host *next;
1022 	struct device_reg __iomem *iobase;	/* Base Memory-mapped I/O address */
1023 
1024 	unsigned char __iomem *mmpbase;	/* memory mapped address */
1025 	unsigned long host_no;
1026 	struct pci_dev *pdev;
1027 	uint8_t devnum;
1028 	uint8_t revision;
1029 	uint8_t ports;
1030 
1031 	unsigned long actthreads;
1032 	unsigned long isr_count;	/* Interrupt count */
1033 	unsigned long spurious_int;
1034 
1035 	/* Outstandings ISP commands. */
1036 	struct srb *outstanding_cmds[MAX_OUTSTANDING_COMMANDS];
1037 
1038 	/* BUS configuration data */
1039 	struct bus_param bus_settings[MAX_BUSES];
1040 
1041 	/* Received ISP mailbox data. */
1042 	volatile uint16_t mailbox_out[MAILBOX_REGISTER_COUNT];
1043 
1044 	dma_addr_t request_dma;		/* Physical Address */
1045 	request_t *request_ring;	/* Base virtual address */
1046 	request_t *request_ring_ptr;	/* Current address. */
1047 	uint16_t req_ring_index;	/* Current index. */
1048 	uint16_t req_q_cnt;		/* Number of available entries. */
1049 
1050 	dma_addr_t response_dma;	/* Physical address. */
1051 	struct response *response_ring;	/* Base virtual address */
1052 	struct response *response_ring_ptr;	/* Current address. */
1053 	uint16_t rsp_ring_index;	/* Current index. */
1054 
1055 	struct list_head done_q;	/* Done queue */
1056 
1057 	struct completion *mailbox_wait;
1058 
1059 	volatile struct {
1060 		uint32_t online:1;			/* 0 */
1061 		uint32_t reset_marker:1;		/* 1 */
1062 		uint32_t disable_host_adapter:1;	/* 2 */
1063 		uint32_t reset_active:1;		/* 3 */
1064 		uint32_t abort_isp_active:1;		/* 4 */
1065 		uint32_t disable_risc_code_load:1;	/* 5 */
1066 #ifdef __ia64__
1067 		uint32_t use_pci_vchannel:1;
1068 #endif
1069 	} flags;
1070 
1071 	struct nvram nvram;
1072 	int nvram_valid;
1073 
1074 	/* Firmware Info */
1075 	unsigned short fwstart; /* start address for F/W   */
1076 	unsigned char fwver1;   /* F/W version first char  */
1077 	unsigned char fwver2;   /* F/W version second char */
1078 	unsigned char fwver3;   /* F/W version third char  */
1079 };
1080 
1081 #endif /* _QLA1280_H */
1082