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