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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / scsi / qla1280.h
blob834884b9eed5b579e62a622ce4725c80ad897a7b
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 */