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fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / drivers / scsi / qla1280.h
blob59915fb703012187f6b180708a8643da3f46a165
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 INVALID_HANDLE (MAX_OUTSTANDING_COMMANDS + 2)
92
93 /* ISP request and response entry counts (37-65535) */
94 #define REQUEST_ENTRY_CNT 256 /* Number of request entries. */
95 #define RESPONSE_ENTRY_CNT 16 /* Number of response entries. */
96
97 /*
98 * SCSI Request Block structure (sp) that is placed
99 * on cmd->SCp location of every I/O
100 */
101 struct srb {
102 struct list_head list; /* (8/16) LU queue */
103 struct scsi_cmnd *cmd; /* (4/8) SCSI command block */
104 /* NOTE: the sp->cmd will be NULL when this completion is
105 * called, so you should know the scsi_cmnd when using this */
106 struct completion *wait;
107 dma_addr_t saved_dma_handle; /* for unmap of single transfers */
108 uint8_t flags; /* (1) Status flags. */
109 uint8_t dir; /* direction of transfer */
110 };
111
112 /*
113 * SRB flag definitions
114 */
115 #define SRB_TIMEOUT (1 << 0) /* Command timed out */
116 #define SRB_SENT (1 << 1) /* Command sent to ISP */
117 #define SRB_ABORT_PENDING (1 << 2) /* Command abort sent to device */
118 #define SRB_ABORTED (1 << 3) /* Command aborted command already */
119
120 /*
121 * ISP I/O Register Set structure definitions.
122 */
123 struct device_reg {
124 uint16_t id_l; /* ID low */
125 uint16_t id_h; /* ID high */
126 uint16_t cfg_0; /* Configuration 0 */
127 #define ISP_CFG0_HWMSK 0x000f /* Hardware revision mask */
128 #define ISP_CFG0_1020 BIT_0 /* ISP1020 */
129 #define ISP_CFG0_1020A BIT_1 /* ISP1020A */
130 #define ISP_CFG0_1040 BIT_2 /* ISP1040 */
131 #define ISP_CFG0_1040A BIT_3 /* ISP1040A */
132 #define ISP_CFG0_1040B BIT_4 /* ISP1040B */
133 #define ISP_CFG0_1040C BIT_5 /* ISP1040C */
134 uint16_t cfg_1; /* Configuration 1 */
135 #define ISP_CFG1_F128 BIT_6 /* 128-byte FIFO threshold */
136 #define ISP_CFG1_F64 BIT_4|BIT_5 /* 128-byte FIFO threshold */
137 #define ISP_CFG1_F32 BIT_5 /* 128-byte FIFO threshold */
138 #define ISP_CFG1_F16 BIT_4 /* 128-byte FIFO threshold */
139 #define ISP_CFG1_BENAB BIT_2 /* Global Bus burst enable */
140 #define ISP_CFG1_SXP BIT_0 /* SXP register select */
141 uint16_t ictrl; /* Interface control */
142 #define ISP_RESET BIT_0 /* ISP soft reset */
143 #define ISP_EN_INT BIT_1 /* ISP enable interrupts. */
144 #define ISP_EN_RISC BIT_2 /* ISP enable RISC interrupts. */
145 #define ISP_FLASH_ENABLE BIT_8 /* Flash BIOS Read/Write enable */
146 #define ISP_FLASH_UPPER BIT_9 /* Flash upper bank select */
147 uint16_t istatus; /* Interface status */
148 #define PCI_64BIT_SLOT BIT_14 /* PCI 64-bit slot indicator. */
149 #define RISC_INT BIT_2 /* RISC interrupt */
150 #define PCI_INT BIT_1 /* PCI interrupt */
151 uint16_t semaphore; /* Semaphore */
152 uint16_t nvram; /* NVRAM register. */
153 #define NV_DESELECT 0
154 #define NV_CLOCK BIT_0
155 #define NV_SELECT BIT_1
156 #define NV_DATA_OUT BIT_2
157 #define NV_DATA_IN BIT_3
158 uint16_t flash_data; /* Flash BIOS data */
159 uint16_t flash_address; /* Flash BIOS address */
160
161 uint16_t unused_1[0x06];
162
163 /* cdma_* and ddma_* are 1040 only */
164 uint16_t cdma_cfg;
165 #define CDMA_CONF_SENAB BIT_3 /* SXP to DMA Data enable */
166 #define CDMA_CONF_RIRQ BIT_2 /* RISC interrupt enable */
167 #define CDMA_CONF_BENAB BIT_1 /* Bus burst enable */
168 #define CDMA_CONF_DIR BIT_0 /* DMA direction (0=fifo->host 1=host->fifo) */
169 uint16_t cdma_ctrl;
170 uint16_t cdma_status;
171 uint16_t cdma_fifo_status;
172 uint16_t cdma_count;
173 uint16_t cdma_reserved;
174 uint16_t cdma_address_count_0;
175 uint16_t cdma_address_count_1;
176 uint16_t cdma_address_count_2;
177 uint16_t cdma_address_count_3;
178
179 uint16_t unused_2[0x06];
180
181 uint16_t ddma_cfg;
182 #define DDMA_CONF_SENAB BIT_3 /* SXP to DMA Data enable */
183 #define DDMA_CONF_RIRQ BIT_2 /* RISC interrupt enable */
184 #define DDMA_CONF_BENAB BIT_1 /* Bus burst enable */
185 #define DDMA_CONF_DIR BIT_0 /* DMA direction (0=fifo->host 1=host->fifo) */
186 uint16_t ddma_ctrl;
187 uint16_t ddma_status;
188 uint16_t ddma_fifo_status;
189 uint16_t ddma_xfer_count_low;
190 uint16_t ddma_xfer_count_high;
191 uint16_t ddma_addr_count_0;
192 uint16_t ddma_addr_count_1;
193 uint16_t ddma_addr_count_2;
194 uint16_t ddma_addr_count_3;
195
196 uint16_t unused_3[0x0e];
197
198 uint16_t mailbox0; /* Mailbox 0 */
199 uint16_t mailbox1; /* Mailbox 1 */
200 uint16_t mailbox2; /* Mailbox 2 */
201 uint16_t mailbox3; /* Mailbox 3 */
202 uint16_t mailbox4; /* Mailbox 4 */
203 uint16_t mailbox5; /* Mailbox 5 */
204 uint16_t mailbox6; /* Mailbox 6 */
205 uint16_t mailbox7; /* Mailbox 7 */
206
207 uint16_t unused_4[0x20];/* 0x80-0xbf Gap */
208
209 uint16_t host_cmd; /* Host command and control */
210 #define HOST_INT BIT_7 /* host interrupt bit */
211 #define BIOS_ENABLE BIT_0
212
213 uint16_t unused_5[0x5]; /* 0xc2-0xcb Gap */
214
215 uint16_t gpio_data;
216 uint16_t gpio_enable;
217
218 uint16_t unused_6[0x11]; /* d0-f0 */
219 uint16_t scsiControlPins; /* f2 */
220 };
221
222 #define MAILBOX_REGISTER_COUNT 8
223
224 /*
225 * ISP product identification definitions in mailboxes after reset.
226 */
227 #define PROD_ID_1 0x4953
228 #define PROD_ID_2 0x0000
229 #define PROD_ID_2a 0x5020
230 #define PROD_ID_3 0x2020
231 #define PROD_ID_4 0x1
232
233 /*
234 * ISP host command and control register command definitions
235 */
236 #define HC_RESET_RISC 0x1000 /* Reset RISC */
237 #define HC_PAUSE_RISC 0x2000 /* Pause RISC */
238 #define HC_RELEASE_RISC 0x3000 /* Release RISC from reset. */
239 #define HC_SET_HOST_INT 0x5000 /* Set host interrupt */
240 #define HC_CLR_HOST_INT 0x6000 /* Clear HOST interrupt */
241 #define HC_CLR_RISC_INT 0x7000 /* Clear RISC interrupt */
242 #define HC_DISABLE_BIOS 0x9000 /* Disable BIOS. */
243
244 /*
245 * ISP mailbox Self-Test status codes
246 */
247 #define MBS_FRM_ALIVE 0 /* Firmware Alive. */
248 #define MBS_CHKSUM_ERR 1 /* Checksum Error. */
249 #define MBS_SHADOW_LD_ERR 2 /* Shadow Load Error. */
250 #define MBS_BUSY 4 /* Busy. */
251
252 /*
253 * ISP mailbox command complete status codes
254 */
255 #define MBS_CMD_CMP 0x4000 /* Command Complete. */
256 #define MBS_INV_CMD 0x4001 /* Invalid Command. */
257 #define MBS_HOST_INF_ERR 0x4002 /* Host Interface Error. */
258 #define MBS_TEST_FAILED 0x4003 /* Test Failed. */
259 #define MBS_CMD_ERR 0x4005 /* Command Error. */
260 #define MBS_CMD_PARAM_ERR 0x4006 /* Command Parameter Error. */
261
262 /*
263 * ISP mailbox asynchronous event status codes
264 */
265 #define MBA_ASYNC_EVENT 0x8000 /* Asynchronous event. */
266 #define MBA_BUS_RESET 0x8001 /* SCSI Bus Reset. */
267 #define MBA_SYSTEM_ERR 0x8002 /* System Error. */
268 #define MBA_REQ_TRANSFER_ERR 0x8003 /* Request Transfer Error. */
269 #define MBA_RSP_TRANSFER_ERR 0x8004 /* Response Transfer Error. */
270 #define MBA_WAKEUP_THRES 0x8005 /* Request Queue Wake-up. */
271 #define MBA_TIMEOUT_RESET 0x8006 /* Execution Timeout Reset. */
272 #define MBA_DEVICE_RESET 0x8007 /* Bus Device Reset. */
273 #define MBA_BUS_MODE_CHANGE 0x800E /* SCSI bus mode transition. */
274 #define MBA_SCSI_COMPLETION 0x8020 /* Completion response. */
275
276 /*
277 * ISP mailbox commands
278 */
279 #define MBC_NOP 0 /* No Operation */
280 #define MBC_LOAD_RAM 1 /* Load RAM */
281 #define MBC_EXECUTE_FIRMWARE 2 /* Execute firmware */
282 #define MBC_DUMP_RAM 3 /* Dump RAM contents */
283 #define MBC_WRITE_RAM_WORD 4 /* Write ram word */
284 #define MBC_READ_RAM_WORD 5 /* Read ram word */
285 #define MBC_MAILBOX_REGISTER_TEST 6 /* Wrap incoming mailboxes */
286 #define MBC_VERIFY_CHECKSUM 7 /* Verify checksum */
287 #define MBC_ABOUT_FIRMWARE 8 /* Get firmware revision */
288 #define MBC_INIT_REQUEST_QUEUE 0x10 /* Initialize request queue */
289 #define MBC_INIT_RESPONSE_QUEUE 0x11 /* Initialize response queue */
290 #define MBC_EXECUTE_IOCB 0x12 /* Execute IOCB command */
291 #define MBC_ABORT_COMMAND 0x15 /* Abort IOCB command */
292 #define MBC_ABORT_DEVICE 0x16 /* Abort device (ID/LUN) */
293 #define MBC_ABORT_TARGET 0x17 /* Abort target (ID) */
294 #define MBC_BUS_RESET 0x18 /* SCSI bus reset */
295 #define MBC_GET_RETRY_COUNT 0x22 /* Get retry count and delay */
296 #define MBC_GET_TARGET_PARAMETERS 0x28 /* Get target parameters */
297 #define MBC_SET_INITIATOR_ID 0x30 /* Set initiator SCSI ID */
298 #define MBC_SET_SELECTION_TIMEOUT 0x31 /* Set selection timeout */
299 #define MBC_SET_RETRY_COUNT 0x32 /* Set retry count and delay */
300 #define MBC_SET_TAG_AGE_LIMIT 0x33 /* Set tag age limit */
301 #define MBC_SET_CLOCK_RATE 0x34 /* Set clock rate */
302 #define MBC_SET_ACTIVE_NEGATION 0x35 /* Set active negation state */
303 #define MBC_SET_ASYNC_DATA_SETUP 0x36 /* Set async data setup time */
304 #define MBC_SET_PCI_CONTROL 0x37 /* Set BUS control parameters */
305 #define MBC_SET_TARGET_PARAMETERS 0x38 /* Set target parameters */
306 #define MBC_SET_DEVICE_QUEUE 0x39 /* Set device queue parameters */
307 #define MBC_SET_RESET_DELAY_PARAMETERS 0x3A /* Set reset delay parameters */
308 #define MBC_SET_SYSTEM_PARAMETER 0x45 /* Set system parameter word */
309 #define MBC_SET_FIRMWARE_FEATURES 0x4A /* Set firmware feature word */
310 #define MBC_INIT_REQUEST_QUEUE_A64 0x52 /* Initialize request queue A64 */
311 #define MBC_INIT_RESPONSE_QUEUE_A64 0x53 /* Initialize response q A64 */
312 #define MBC_ENABLE_TARGET_MODE 0x55 /* Enable target mode */
313 #define MBC_SET_DATA_OVERRUN_RECOVERY 0x5A /* Set data overrun recovery mode */
314
315 /*
316 * ISP Get/Set Target Parameters mailbox command control flags.
317 */
318 #define TP_PPR BIT_5 /* PPR */
319 #define TP_RENEGOTIATE BIT_8 /* Renegotiate on error. */
320 #define TP_STOP_QUEUE BIT_9 /* Stop que on check condition */
321 #define TP_AUTO_REQUEST_SENSE BIT_10 /* Automatic request sense. */
322 #define TP_TAGGED_QUEUE BIT_11 /* Tagged queuing. */
323 #define TP_SYNC BIT_12 /* Synchronous data transfers. */
324 #define TP_WIDE BIT_13 /* Wide data transfers. */
325 #define TP_PARITY BIT_14 /* Parity checking. */
326 #define TP_DISCONNECT BIT_15 /* Disconnect privilege. */
327
328 /*
329 * NVRAM Command values.
330 */
331 #define NV_START_BIT BIT_2
332 #define NV_WRITE_OP (BIT_26 | BIT_24)
333 #define NV_READ_OP (BIT_26 | BIT_25)
334 #define NV_ERASE_OP (BIT_26 | BIT_25 | BIT_24)
335 #define NV_MASK_OP (BIT_26 | BIT_25 | BIT_24)
336 #define NV_DELAY_COUNT 10
337
338 /*
339 * QLogic ISP1280/ISP12160 NVRAM structure definition.
340 */
341 struct nvram {
342 uint8_t id0; /* 0 */
343 uint8_t id1; /* 1 */
344 uint8_t id2; /* 2 */
345 uint8_t id3; /* 3 */
346 uint8_t version; /* 4 */
347
348 struct {
349 uint8_t bios_configuration_mode:2;
350 uint8_t bios_disable:1;
351 uint8_t selectable_scsi_boot_enable:1;
352 uint8_t cd_rom_boot_enable:1;
353 uint8_t disable_loading_risc_code:1;
354 uint8_t enable_64bit_addressing:1;
355 uint8_t unused_7:1;
356 } cntr_flags_1; /* 5 */
357
358 struct {
359 uint8_t boot_lun_number:5;
360 uint8_t scsi_bus_number:1;
361 uint8_t unused_6:1;
362 uint8_t unused_7:1;
363 } cntr_flags_2l; /* 7 */
364
365 struct {
366 uint8_t boot_target_number:4;
367 uint8_t unused_12:1;
368 uint8_t unused_13:1;
369 uint8_t unused_14:1;
370 uint8_t unused_15:1;
371 } cntr_flags_2h; /* 8 */
372
373 uint16_t unused_8; /* 8, 9 */
374 uint16_t unused_10; /* 10, 11 */
375 uint16_t unused_12; /* 12, 13 */
376 uint16_t unused_14; /* 14, 15 */
377
378 struct {
379 uint8_t reserved:2;
380 uint8_t burst_enable:1;
381 uint8_t reserved_1:1;
382 uint8_t fifo_threshold:4;
383 } isp_config; /* 16 */
384
385 /* Termination
386 * 0 = Disable, 1 = high only, 3 = Auto term
387 */
388 struct {
389 uint8_t scsi_bus_1_control:2;
390 uint8_t scsi_bus_0_control:2;
391 uint8_t unused_0:1;
392 uint8_t unused_1:1;
393 uint8_t unused_2:1;
394 uint8_t auto_term_support:1;
395 } termination; /* 17 */
396
397 uint16_t isp_parameter; /* 18, 19 */
398
399 union {
400 uint16_t w;
401 struct {
402 uint16_t enable_fast_posting:1;
403 uint16_t report_lvd_bus_transition:1;
404 uint16_t unused_2:1;
405 uint16_t unused_3:1;
406 uint16_t disable_iosbs_with_bus_reset_status:1;
407 uint16_t disable_synchronous_backoff:1;
408 uint16_t unused_6:1;
409 uint16_t synchronous_backoff_reporting:1;
410 uint16_t disable_reselection_fairness:1;
411 uint16_t unused_9:1;
412 uint16_t unused_10:1;
413 uint16_t unused_11:1;
414 uint16_t unused_12:1;
415 uint16_t unused_13:1;
416 uint16_t unused_14:1;
417 uint16_t unused_15:1;
418 } f;
419 } firmware_feature; /* 20, 21 */
420
421 uint16_t unused_22; /* 22, 23 */
422
423 struct {
424 struct {
425 uint8_t initiator_id:4;
426 uint8_t scsi_reset_disable:1;
427 uint8_t scsi_bus_size:1;
428 uint8_t scsi_bus_type:1;
429 uint8_t unused_7:1;
430 } config_1; /* 24 */
431
432 uint8_t bus_reset_delay; /* 25 */
433 uint8_t retry_count; /* 26 */
434 uint8_t retry_delay; /* 27 */
435
436 struct {
437 uint8_t async_data_setup_time:4;
438 uint8_t req_ack_active_negation:1;
439 uint8_t data_line_active_negation:1;
440 uint8_t unused_6:1;
441 uint8_t unused_7:1;
442 } config_2; /* 28 */
443
444 uint8_t unused_29; /* 29 */
445
446 uint16_t selection_timeout; /* 30, 31 */
447 uint16_t max_queue_depth; /* 32, 33 */
448
449 uint16_t unused_34; /* 34, 35 */
450 uint16_t unused_36; /* 36, 37 */
451 uint16_t unused_38; /* 38, 39 */
452
453 struct {
454 struct {
455 uint8_t renegotiate_on_error:1;
456 uint8_t stop_queue_on_check:1;
457 uint8_t auto_request_sense:1;
458 uint8_t tag_queuing:1;
459 uint8_t enable_sync:1;
460 uint8_t enable_wide:1;
461 uint8_t parity_checking:1;
462 uint8_t disconnect_allowed:1;
463 } parameter; /* 40 */
464
465 uint8_t execution_throttle; /* 41 */
466 uint8_t sync_period; /* 42 */
467
468 union { /* 43 */
469 uint8_t flags_43;
470 struct {
471 uint8_t sync_offset:4;
472 uint8_t device_enable:1;
473 uint8_t lun_disable:1;
474 uint8_t unused_6:1;
475 uint8_t unused_7:1;
476 } flags1x80;
477 struct {
478 uint8_t sync_offset:5;
479 uint8_t device_enable:1;
480 uint8_t unused_6:1;
481 uint8_t unused_7:1;
482 } flags1x160;
483 } flags;
484 union { /* PPR flags for the 1x160 controllers */
485 uint8_t unused_44;
486 struct {
487 uint8_t ppr_options:4;
488 uint8_t ppr_bus_width:2;
489 uint8_t unused_8:1;
490 uint8_t enable_ppr:1;
491 } flags; /* 44 */
492 } ppr_1x160;
493 uint8_t unused_45; /* 45 */
494 } target[MAX_TARGETS];
495 } bus[MAX_BUSES];
496
497 uint16_t unused_248; /* 248, 249 */
498
499 uint16_t subsystem_id[2]; /* 250, 251, 252, 253 */
500
501 union { /* 254 */
502 uint8_t unused_254;
503 uint8_t system_id_pointer;
504 } sysid_1x160;
505
506 uint8_t chksum; /* 255 */
507 };
508
509 /*
510 * ISP queue - command entry structure definition.
511 */
512 #define MAX_CMDSZ 12 /* SCSI maximum CDB size. */
513 struct cmd_entry {
514 uint8_t entry_type; /* Entry type. */
515 #define COMMAND_TYPE 1 /* Command entry */
516 uint8_t entry_count; /* Entry count. */
517 uint8_t sys_define; /* System defined. */
518 uint8_t entry_status; /* Entry Status. */
519 __le32 handle; /* System handle. */
520 uint8_t lun; /* SCSI LUN */
521 uint8_t target; /* SCSI ID */
522 __le16 cdb_len; /* SCSI command length. */
523 __le16 control_flags; /* Control flags. */
524 __le16 reserved;
525 __le16 timeout; /* Command timeout. */
526 __le16 dseg_count; /* Data segment count. */
527 uint8_t scsi_cdb[MAX_CMDSZ]; /* SCSI command words. */
528 __le32 dseg_0_address; /* Data segment 0 address. */
529 __le32 dseg_0_length; /* Data segment 0 length. */
530 __le32 dseg_1_address; /* Data segment 1 address. */
531 __le32 dseg_1_length; /* Data segment 1 length. */
532 __le32 dseg_2_address; /* Data segment 2 address. */
533 __le32 dseg_2_length; /* Data segment 2 length. */
534 __le32 dseg_3_address; /* Data segment 3 address. */
535 __le32 dseg_3_length; /* Data segment 3 length. */
536 };
537
538 /*
539 * ISP queue - continuation entry structure definition.
540 */
541 struct cont_entry {
542 uint8_t entry_type; /* Entry type. */
543 #define CONTINUE_TYPE 2 /* Continuation entry. */
544 uint8_t entry_count; /* Entry count. */
545 uint8_t sys_define; /* System defined. */
546 uint8_t entry_status; /* Entry Status. */
547 __le32 reserved; /* Reserved */
548 __le32 dseg_0_address; /* Data segment 0 address. */
549 __le32 dseg_0_length; /* Data segment 0 length. */
550 __le32 dseg_1_address; /* Data segment 1 address. */
551 __le32 dseg_1_length; /* Data segment 1 length. */
552 __le32 dseg_2_address; /* Data segment 2 address. */
553 __le32 dseg_2_length; /* Data segment 2 length. */
554 __le32 dseg_3_address; /* Data segment 3 address. */
555 __le32 dseg_3_length; /* Data segment 3 length. */
556 __le32 dseg_4_address; /* Data segment 4 address. */
557 __le32 dseg_4_length; /* Data segment 4 length. */
558 __le32 dseg_5_address; /* Data segment 5 address. */
559 __le32 dseg_5_length; /* Data segment 5 length. */
560 __le32 dseg_6_address; /* Data segment 6 address. */
561 __le32 dseg_6_length; /* Data segment 6 length. */
562 };
563
564 /*
565 * ISP queue - status entry structure definition.
566 */
567 struct response {
568 uint8_t entry_type; /* Entry type. */
569 #define STATUS_TYPE 3 /* Status entry. */
570 uint8_t entry_count; /* Entry count. */
571 uint8_t sys_define; /* System defined. */
572 uint8_t entry_status; /* Entry Status. */
573 #define RF_CONT BIT_0 /* Continuation. */
574 #define RF_FULL BIT_1 /* Full */
575 #define RF_BAD_HEADER BIT_2 /* Bad header. */
576 #define RF_BAD_PAYLOAD BIT_3 /* Bad payload. */
577 __le32 handle; /* System handle. */
578 __le16 scsi_status; /* SCSI status. */
579 __le16 comp_status; /* Completion status. */
580 __le16 state_flags; /* State flags. */
581 #define SF_TRANSFER_CMPL BIT_14 /* Transfer Complete. */
582 #define SF_GOT_SENSE BIT_13 /* Got Sense */
583 #define SF_GOT_STATUS BIT_12 /* Got Status */
584 #define SF_TRANSFERRED_DATA BIT_11 /* Transferred data */
585 #define SF_SENT_CDB BIT_10 /* Send CDB */
586 #define SF_GOT_TARGET BIT_9 /* */
587 #define SF_GOT_BUS BIT_8 /* */
588 __le16 status_flags; /* Status flags. */
589 __le16 time; /* Time. */
590 __le16 req_sense_length;/* Request sense data length. */
591 __le32 residual_length; /* Residual transfer length. */
592 __le16 reserved[4];
593 uint8_t req_sense_data[32]; /* Request sense data. */
594 };
595
596 /*
597 * ISP queue - marker entry structure definition.
598 */
599 struct mrk_entry {
600 uint8_t entry_type; /* Entry type. */
601 #define MARKER_TYPE 4 /* Marker entry. */
602 uint8_t entry_count; /* Entry count. */
603 uint8_t sys_define; /* System defined. */
604 uint8_t entry_status; /* Entry Status. */
605 __le32 reserved;
606 uint8_t lun; /* SCSI LUN */
607 uint8_t target; /* SCSI ID */
608 uint8_t modifier; /* Modifier (7-0). */
609 #define MK_SYNC_ID_LUN 0 /* Synchronize ID/LUN */
610 #define MK_SYNC_ID 1 /* Synchronize ID */
611 #define MK_SYNC_ALL 2 /* Synchronize all ID/LUN */
612 uint8_t reserved_1[53];
613 };
614
615 /*
616 * ISP queue - extended command entry structure definition.
617 *
618 * Unused by the driver!
619 */
620 struct ecmd_entry {
621 uint8_t entry_type; /* Entry type. */
622 #define EXTENDED_CMD_TYPE 5 /* Extended command entry. */
623 uint8_t entry_count; /* Entry count. */
624 uint8_t sys_define; /* System defined. */
625 uint8_t entry_status; /* Entry Status. */
626 uint32_t handle; /* System handle. */
627 uint8_t lun; /* SCSI LUN */
628 uint8_t target; /* SCSI ID */
629 __le16 cdb_len; /* SCSI command length. */
630 __le16 control_flags; /* Control flags. */
631 __le16 reserved;
632 __le16 timeout; /* Command timeout. */
633 __le16 dseg_count; /* Data segment count. */
634 uint8_t scsi_cdb[88]; /* SCSI command words. */
635 };
636
637 /*
638 * ISP queue - 64-Bit addressing, command entry structure definition.
639 */
640 typedef struct {
641 uint8_t entry_type; /* Entry type. */
642 #define COMMAND_A64_TYPE 9 /* Command A64 entry */
643 uint8_t entry_count; /* Entry count. */
644 uint8_t sys_define; /* System defined. */
645 uint8_t entry_status; /* Entry Status. */
646 __le32 handle; /* System handle. */
647 uint8_t lun; /* SCSI LUN */
648 uint8_t target; /* SCSI ID */
649 __le16 cdb_len; /* SCSI command length. */
650 __le16 control_flags; /* Control flags. */
651 __le16 reserved;
652 __le16 timeout; /* Command timeout. */
653 __le16 dseg_count; /* Data segment count. */
654 uint8_t scsi_cdb[MAX_CMDSZ]; /* SCSI command words. */
655 __le32 reserved_1[2]; /* unused */
656 __le32 dseg_0_address[2]; /* Data segment 0 address. */
657 __le32 dseg_0_length; /* Data segment 0 length. */
658 __le32 dseg_1_address[2]; /* Data segment 1 address. */
659 __le32 dseg_1_length; /* Data segment 1 length. */
660 } cmd_a64_entry_t, request_t;
661
662 /*
663 * ISP queue - 64-Bit addressing, continuation entry structure definition.
664 */
665 struct cont_a64_entry {
666 uint8_t entry_type; /* Entry type. */
667 #define CONTINUE_A64_TYPE 0xA /* Continuation A64 entry. */
668 uint8_t entry_count; /* Entry count. */
669 uint8_t sys_define; /* System defined. */
670 uint8_t entry_status; /* Entry Status. */
671 __le32 dseg_0_address[2]; /* Data segment 0 address. */
672 __le32 dseg_0_length; /* Data segment 0 length. */
673 __le32 dseg_1_address[2]; /* Data segment 1 address. */
674 __le32 dseg_1_length; /* Data segment 1 length. */
675 __le32 dseg_2_address[2]; /* Data segment 2 address. */
676 __le32 dseg_2_length; /* Data segment 2 length. */
677 __le32 dseg_3_address[2]; /* Data segment 3 address. */
678 __le32 dseg_3_length; /* Data segment 3 length. */
679 __le32 dseg_4_address[2]; /* Data segment 4 address. */
680 __le32 dseg_4_length; /* Data segment 4 length. */
681 };
682
683 /*
684 * ISP queue - enable LUN entry structure definition.
685 */
686 struct elun_entry {
687 uint8_t entry_type; /* Entry type. */
688 #define ENABLE_LUN_TYPE 0xB /* Enable LUN entry. */
689 uint8_t entry_count; /* Entry count. */
690 uint8_t reserved_1;
691 uint8_t entry_status; /* Entry Status not used. */
692 __le32 reserved_2;
693 __le16 lun; /* Bit 15 is bus number. */
694 __le16 reserved_4;
695 __le32 option_flags;
696 uint8_t status;
697 uint8_t reserved_5;
698 uint8_t command_count; /* Number of ATIOs allocated. */
699 uint8_t immed_notify_count; /* Number of Immediate Notify */
700 /* entries allocated. */
701 uint8_t group_6_length; /* SCSI CDB length for group 6 */
702 /* commands (2-26). */
703 uint8_t group_7_length; /* SCSI CDB length for group 7 */
704 /* commands (2-26). */
705 __le16 timeout; /* 0 = 30 seconds, 0xFFFF = disable */
706 __le16 reserved_6[20];
707 };
708
709 /*
710 * ISP queue - modify LUN entry structure definition.
711 *
712 * Unused by the driver!
713 */
714 struct modify_lun_entry {
715 uint8_t entry_type; /* Entry type. */
716 #define MODIFY_LUN_TYPE 0xC /* Modify LUN entry. */
717 uint8_t entry_count; /* Entry count. */
718 uint8_t reserved_1;
719 uint8_t entry_status; /* Entry Status. */
720 __le32 reserved_2;
721 uint8_t lun; /* SCSI LUN */
722 uint8_t reserved_3;
723 uint8_t operators;
724 uint8_t reserved_4;
725 __le32 option_flags;
726 uint8_t status;
727 uint8_t reserved_5;
728 uint8_t command_count; /* Number of ATIOs allocated. */
729 uint8_t immed_notify_count; /* Number of Immediate Notify */
730 /* entries allocated. */
731 __le16 reserved_6;
732 __le16 timeout; /* 0 = 30 seconds, 0xFFFF = disable */
733 __le16 reserved_7[20];
734 };
735
736 /*
737 * ISP queue - immediate notify entry structure definition.
738 */
739 struct notify_entry {
740 uint8_t entry_type; /* Entry type. */
741 #define IMMED_NOTIFY_TYPE 0xD /* Immediate notify entry. */
742 uint8_t entry_count; /* Entry count. */
743 uint8_t reserved_1;
744 uint8_t entry_status; /* Entry Status. */
745 __le32 reserved_2;
746 uint8_t lun;
747 uint8_t initiator_id;
748 uint8_t reserved_3;
749 uint8_t target_id;
750 __le32 option_flags;
751 uint8_t status;
752 uint8_t reserved_4;
753 uint8_t tag_value; /* Received queue tag message value */
754 uint8_t tag_type; /* Received queue tag message type */
755 /* entries allocated. */
756 __le16 seq_id;
757 uint8_t scsi_msg[8]; /* SCSI message not handled by ISP */
758 __le16 reserved_5[8];
759 uint8_t sense_data[18];
760 };
761
762 /*
763 * ISP queue - notify acknowledge entry structure definition.
764 */
765 struct nack_entry {
766 uint8_t entry_type; /* Entry type. */
767 #define NOTIFY_ACK_TYPE 0xE /* Notify acknowledge entry. */
768 uint8_t entry_count; /* Entry count. */
769 uint8_t reserved_1;
770 uint8_t entry_status; /* Entry Status. */
771 __le32 reserved_2;
772 uint8_t lun;
773 uint8_t initiator_id;
774 uint8_t reserved_3;
775 uint8_t target_id;
776 __le32 option_flags;
777 uint8_t status;
778 uint8_t event;
779 __le16 seq_id;
780 __le16 reserved_4[22];
781 };
782
783 /*
784 * ISP queue - Accept Target I/O (ATIO) entry structure definition.
785 */
786 struct atio_entry {
787 uint8_t entry_type; /* Entry type. */
788 #define ACCEPT_TGT_IO_TYPE 6 /* Accept target I/O entry. */
789 uint8_t entry_count; /* Entry count. */
790 uint8_t reserved_1;
791 uint8_t entry_status; /* Entry Status. */
792 __le32 reserved_2;
793 uint8_t lun;
794 uint8_t initiator_id;
795 uint8_t cdb_len;
796 uint8_t target_id;
797 __le32 option_flags;
798 uint8_t status;
799 uint8_t scsi_status;
800 uint8_t tag_value; /* Received queue tag message value */
801 uint8_t tag_type; /* Received queue tag message type */
802 uint8_t cdb[26];
803 uint8_t sense_data[18];
804 };
805
806 /*
807 * ISP queue - Continue Target I/O (CTIO) entry structure definition.
808 */
809 struct ctio_entry {
810 uint8_t entry_type; /* Entry type. */
811 #define CONTINUE_TGT_IO_TYPE 7 /* CTIO entry */
812 uint8_t entry_count; /* Entry count. */
813 uint8_t reserved_1;
814 uint8_t entry_status; /* Entry Status. */
815 __le32 reserved_2;
816 uint8_t lun; /* SCSI LUN */
817 uint8_t initiator_id;
818 uint8_t reserved_3;
819 uint8_t target_id;
820 __le32 option_flags;
821 uint8_t status;
822 uint8_t scsi_status;
823 uint8_t tag_value; /* Received queue tag message value */
824 uint8_t tag_type; /* Received queue tag message type */
825 __le32 transfer_length;
826 __le32 residual;
827 __le16 timeout; /* 0 = 30 seconds, 0xFFFF = disable */
828 __le16 dseg_count; /* Data segment count. */
829 __le32 dseg_0_address; /* Data segment 0 address. */
830 __le32 dseg_0_length; /* Data segment 0 length. */
831 __le32 dseg_1_address; /* Data segment 1 address. */
832 __le32 dseg_1_length; /* Data segment 1 length. */
833 __le32 dseg_2_address; /* Data segment 2 address. */
834 __le32 dseg_2_length; /* Data segment 2 length. */
835 __le32 dseg_3_address; /* Data segment 3 address. */
836 __le32 dseg_3_length; /* Data segment 3 length. */
837 };
838
839 /*
840 * ISP queue - CTIO returned entry structure definition.
841 */
842 struct ctio_ret_entry {
843 uint8_t entry_type; /* Entry type. */
844 #define CTIO_RET_TYPE 7 /* CTIO return entry */
845 uint8_t entry_count; /* Entry count. */
846 uint8_t reserved_1;
847 uint8_t entry_status; /* Entry Status. */
848 __le32 reserved_2;
849 uint8_t lun; /* SCSI LUN */
850 uint8_t initiator_id;
851 uint8_t reserved_3;
852 uint8_t target_id;
853 __le32 option_flags;
854 uint8_t status;
855 uint8_t scsi_status;
856 uint8_t tag_value; /* Received queue tag message value */
857 uint8_t tag_type; /* Received queue tag message type */
858 __le32 transfer_length;
859 __le32 residual;
860 __le16 timeout; /* 0 = 30 seconds, 0xFFFF = disable */
861 __le16 dseg_count; /* Data segment count. */
862 __le32 dseg_0_address; /* Data segment 0 address. */
863 __le32 dseg_0_length; /* Data segment 0 length. */
864 __le32 dseg_1_address; /* Data segment 1 address. */
865 __le16 dseg_1_length; /* Data segment 1 length. */
866 uint8_t sense_data[18];
867 };
868
869 /*
870 * ISP queue - CTIO A64 entry structure definition.
871 */
872 struct ctio_a64_entry {
873 uint8_t entry_type; /* Entry type. */
874 #define CTIO_A64_TYPE 0xF /* CTIO A64 entry */
875 uint8_t entry_count; /* Entry count. */
876 uint8_t reserved_1;
877 uint8_t entry_status; /* Entry Status. */
878 __le32 reserved_2;
879 uint8_t lun; /* SCSI LUN */
880 uint8_t initiator_id;
881 uint8_t reserved_3;
882 uint8_t target_id;
883 __le32 option_flags;
884 uint8_t status;
885 uint8_t scsi_status;
886 uint8_t tag_value; /* Received queue tag message value */
887 uint8_t tag_type; /* Received queue tag message type */
888 __le32 transfer_length;
889 __le32 residual;
890 __le16 timeout; /* 0 = 30 seconds, 0xFFFF = disable */
891 __le16 dseg_count; /* Data segment count. */
892 __le32 reserved_4[2];
893 __le32 dseg_0_address[2];/* Data segment 0 address. */
894 __le32 dseg_0_length; /* Data segment 0 length. */
895 __le32 dseg_1_address[2];/* Data segment 1 address. */
896 __le32 dseg_1_length; /* Data segment 1 length. */
897 };
898
899 /*
900 * ISP queue - CTIO returned entry structure definition.
901 */
902 struct ctio_a64_ret_entry {
903 uint8_t entry_type; /* Entry type. */
904 #define CTIO_A64_RET_TYPE 0xF /* CTIO A64 returned entry */
905 uint8_t entry_count; /* Entry count. */
906 uint8_t reserved_1;
907 uint8_t entry_status; /* Entry Status. */
908 __le32 reserved_2;
909 uint8_t lun; /* SCSI LUN */
910 uint8_t initiator_id;
911 uint8_t reserved_3;
912 uint8_t target_id;
913 __le32 option_flags;
914 uint8_t status;
915 uint8_t scsi_status;
916 uint8_t tag_value; /* Received queue tag message value */
917 uint8_t tag_type; /* Received queue tag message type */
918 __le32 transfer_length;
919 __le32 residual;
920 __le16 timeout; /* 0 = 30 seconds, 0xFFFF = disable */
921 __le16 dseg_count; /* Data segment count. */
922 __le16 reserved_4[7];
923 uint8_t sense_data[18];
924 };
925
926 /*
927 * ISP request and response queue entry sizes
928 */
929 #define RESPONSE_ENTRY_SIZE (sizeof(struct response))
930 #define REQUEST_ENTRY_SIZE (sizeof(request_t))
931
932 /*
933 * ISP status entry - completion status definitions.
934 */
935 #define CS_COMPLETE 0x0 /* No errors */
936 #define CS_INCOMPLETE 0x1 /* Incomplete transfer of cmd. */
937 #define CS_DMA 0x2 /* A DMA direction error. */
938 #define CS_TRANSPORT 0x3 /* Transport error. */
939 #define CS_RESET 0x4 /* SCSI bus reset occurred */
940 #define CS_ABORTED 0x5 /* System aborted command. */
941 #define CS_TIMEOUT 0x6 /* Timeout error. */
942 #define CS_DATA_OVERRUN 0x7 /* Data overrun. */
943 #define CS_COMMAND_OVERRUN 0x8 /* Command Overrun. */
944 #define CS_STATUS_OVERRUN 0x9 /* Status Overrun. */
945 #define CS_BAD_MSG 0xA /* Bad msg after status phase. */
946 #define CS_NO_MSG_OUT 0xB /* No msg out after selection. */
947 #define CS_EXTENDED_ID 0xC /* Extended ID failed. */
948 #define CS_IDE_MSG 0xD /* Target rejected IDE msg. */
949 #define CS_ABORT_MSG 0xE /* Target rejected abort msg. */
950 #define CS_REJECT_MSG 0xF /* Target rejected reject msg. */
951 #define CS_NOP_MSG 0x10 /* Target rejected NOP msg. */
952 #define CS_PARITY_MSG 0x11 /* Target rejected parity msg. */
953 #define CS_DEV_RESET_MSG 0x12 /* Target rejected dev rst msg. */
954 #define CS_ID_MSG 0x13 /* Target rejected ID msg. */
955 #define CS_FREE 0x14 /* Unexpected bus free. */
956 #define CS_DATA_UNDERRUN 0x15 /* Data Underrun. */
957 #define CS_TRANACTION_1 0x18 /* Transaction error 1 */
958 #define CS_TRANACTION_2 0x19 /* Transaction error 2 */
959 #define CS_TRANACTION_3 0x1a /* Transaction error 3 */
960 #define CS_INV_ENTRY_TYPE 0x1b /* Invalid entry type */
961 #define CS_DEV_QUEUE_FULL 0x1c /* Device queue full */
962 #define CS_PHASED_SKIPPED 0x1d /* SCSI phase skipped */
963 #define CS_ARS_FAILED 0x1e /* ARS failed */
964 #define CS_LVD_BUS_ERROR 0x21 /* LVD bus error */
965 #define CS_BAD_PAYLOAD 0x80 /* Driver defined */
966 #define CS_UNKNOWN 0x81 /* Driver defined */
967 #define CS_RETRY 0x82 /* Driver defined */
968
969 /*
970 * ISP target entries - Option flags bit definitions.
971 */
972 #define OF_ENABLE_TAG BIT_1 /* Tagged queue action enable */
973 #define OF_DATA_IN BIT_6 /* Data in to initiator */
974 /* (data from target to initiator) */
975 #define OF_DATA_OUT BIT_7 /* Data out from initiator */
976 /* (data from initiator to target) */
977 #define OF_NO_DATA (BIT_7 | BIT_6)
978 #define OF_DISC_DISABLED BIT_15 /* Disconnects disabled */
979 #define OF_DISABLE_SDP BIT_24 /* Disable sending save data ptr */
980 #define OF_SEND_RDP BIT_26 /* Send restore data pointers msg */
981 #define OF_FORCE_DISC BIT_30 /* Disconnects mandatory */
982 #define OF_SSTS BIT_31 /* Send SCSI status */
983
984
985 /*
986 * BUS parameters/settings structure - UNUSED
987 */
988 struct bus_param {
989 uint8_t id; /* Host adapter SCSI id */
990 uint8_t bus_reset_delay; /* SCSI bus reset delay. */
991 uint8_t failed_reset_count; /* number of time reset failed */
992 uint8_t unused;
993 uint16_t device_enables; /* Device enable bits. */
994 uint16_t lun_disables; /* LUN disable bits. */
995 uint16_t qtag_enables; /* Tag queue enables. */
996 uint16_t hiwat; /* High water mark per device. */
997 uint8_t reset_marker:1;
998 uint8_t disable_scsi_reset:1;
999 uint8_t scsi_bus_dead:1; /* SCSI Bus is Dead, when 5 back to back resets failed */
1000 };
1001
1002
1003 struct qla_driver_setup {
1004 uint32_t no_sync:1;
1005 uint32_t no_wide:1;
1006 uint32_t no_ppr:1;
1007 uint32_t no_nvram:1;
1008 uint16_t sync_mask;
1009 uint16_t wide_mask;
1010 uint16_t ppr_mask;
1011 };
1012
1013
1014 /*
1015 * Linux Host Adapter structure
1016 */
1017 struct scsi_qla_host {
1018 /* Linux adapter configuration data */
1019 struct Scsi_Host *host; /* pointer to host data */
1020 struct scsi_qla_host *next;
1021 struct device_reg __iomem *iobase; /* Base Memory-mapped I/O address */
1022
1023 unsigned char __iomem *mmpbase; /* memory mapped address */
1024 unsigned long host_no;
1025 struct pci_dev *pdev;
1026 uint8_t devnum;
1027 uint8_t revision;
1028 uint8_t ports;
1029
1030 unsigned long actthreads;
1031 unsigned long isr_count; /* Interrupt count */
1032 unsigned long spurious_int;
1033
1034 /* Outstandings ISP commands. */
1035 struct srb *outstanding_cmds[MAX_OUTSTANDING_COMMANDS];
1036
1037 /* BUS configuration data */
1038 struct bus_param bus_settings[MAX_BUSES];
1039
1040 /* Received ISP mailbox data. */
1041 volatile uint16_t mailbox_out[MAILBOX_REGISTER_COUNT];
1042
1043 dma_addr_t request_dma; /* Physical Address */
1044 request_t *request_ring; /* Base virtual address */
1045 request_t *request_ring_ptr; /* Current address. */
1046 uint16_t req_ring_index; /* Current index. */
1047 uint16_t req_q_cnt; /* Number of available entries. */
1048
1049 dma_addr_t response_dma; /* Physical address. */
1050 struct response *response_ring; /* Base virtual address */
1051 struct response *response_ring_ptr; /* Current address. */
1052 uint16_t rsp_ring_index; /* Current index. */
1053
1054 struct list_head done_q; /* Done queue */
1055
1056 struct completion *mailbox_wait;
1057
1058 volatile struct {
1059 uint32_t online:1; /* 0 */
1060 uint32_t reset_marker:1; /* 1 */
1061 uint32_t disable_host_adapter:1; /* 2 */
1062 uint32_t reset_active:1; /* 3 */
1063 uint32_t abort_isp_active:1; /* 4 */
1064 uint32_t disable_risc_code_load:1; /* 5 */
1065 #ifdef __ia64__
1066 uint32_t use_pci_vchannel:1;
1067 #endif
1068 } flags;
1069
1070 struct nvram nvram;
1071 int nvram_valid;
1072 };
1073
1074 #endif /* _QLA1280_H */
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