xref: /openbmc/linux/drivers/scsi/qlogicpti.h (revision 94cdda6b)
1 /* qlogicpti.h: Performance Technologies QlogicISP sbus card defines.
2  *
3  * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu)
4  */
5 
6 #ifndef _QLOGICPTI_H
7 #define _QLOGICPTI_H
8 
9 /* Qlogic/SBUS controller registers. */
10 #define SBUS_CFG1	0x006UL
11 #define SBUS_CTRL	0x008UL
12 #define SBUS_STAT	0x00aUL
13 #define SBUS_SEMAPHORE	0x00cUL
14 #define CMD_DMA_CTRL	0x022UL
15 #define DATA_DMA_CTRL	0x042UL
16 #define MBOX0		0x080UL
17 #define MBOX1		0x082UL
18 #define MBOX2		0x084UL
19 #define MBOX3		0x086UL
20 #define MBOX4		0x088UL
21 #define MBOX5		0x08aUL
22 #define CPU_CMD		0x214UL
23 #define CPU_ORIDE	0x224UL
24 #define CPU_PCTRL	0x272UL
25 #define CPU_PDIFF	0x276UL
26 #define RISC_PSR	0x420UL
27 #define RISC_MTREG	0x42EUL
28 #define HCCTRL		0x440UL
29 
30 /* SCSI parameters for this driver. */
31 #define MAX_TARGETS	16
32 #define MAX_LUNS	8
33 
34 /* With the qlogic interface, every queue slot can hold a SCSI
35  * command with up to 4 scatter/gather entries.  If we need more
36  * than 4 entries, continuation entries can be used that hold
37  * another 7 entries each.  Unlike for other drivers, this means
38  * that the maximum number of scatter/gather entries we can
39  * support at any given time is a function of the number of queue
40  * slots available.  That is, host->can_queue and host->sg_tablesize
41  * are dynamic and _not_ independent.  This all works fine because
42  * requests are queued serially and the scatter/gather limit is
43  * determined for each queue request anew.
44  */
45 #define QLOGICPTI_REQ_QUEUE_LEN	255	/* must be power of two - 1 */
46 #define QLOGICPTI_MAX_SG(ql)	(4 + (((ql) > 0) ? 7*((ql) - 1) : 0))
47 
48 /* mailbox command complete status codes */
49 #define MBOX_COMMAND_COMPLETE		0x4000
50 #define INVALID_COMMAND			0x4001
51 #define HOST_INTERFACE_ERROR		0x4002
52 #define TEST_FAILED			0x4003
53 #define COMMAND_ERROR			0x4005
54 #define COMMAND_PARAM_ERROR		0x4006
55 
56 /* async event status codes */
57 #define ASYNC_SCSI_BUS_RESET		0x8001
58 #define SYSTEM_ERROR			0x8002
59 #define REQUEST_TRANSFER_ERROR		0x8003
60 #define RESPONSE_TRANSFER_ERROR		0x8004
61 #define REQUEST_QUEUE_WAKEUP		0x8005
62 #define EXECUTION_TIMEOUT_RESET		0x8006
63 
64 /* Am I fucking pedantic or what? */
65 struct Entry_header {
66 #ifdef __BIG_ENDIAN
67 	u8	entry_cnt;
68 	u8	entry_type;
69 	u8	flags;
70 	u8	sys_def_1;
71 #else /* __LITTLE_ENDIAN */
72 	u8	entry_type;
73 	u8	entry_cnt;
74 	u8	sys_def_1;
75 	u8	flags;
76 #endif
77 };
78 
79 /* entry header type commands */
80 #define ENTRY_COMMAND		1
81 #define ENTRY_CONTINUATION	2
82 #define ENTRY_STATUS		3
83 #define ENTRY_MARKER		4
84 #define ENTRY_EXTENDED_COMMAND	5
85 
86 /* entry header flag definitions */
87 #define EFLAG_CONTINUATION	1
88 #define EFLAG_BUSY		2
89 #define EFLAG_BAD_HEADER	4
90 #define EFLAG_BAD_PAYLOAD	8
91 
92 struct dataseg {
93 	u32	d_base;
94 	u32	d_count;
95 };
96 
97 struct Command_Entry {
98 	struct Entry_header	hdr;
99 	u32			handle;
100 #ifdef __BIG_ENDIAN
101 	u8			target_id;
102 	u8			target_lun;
103 #else /* __LITTLE_ENDIAN */
104 	u8			target_lun;
105 	u8			target_id;
106 #endif
107 	u16			cdb_length;
108 	u16			control_flags;
109 	u16			rsvd;
110 	u16			time_out;
111 	u16			segment_cnt;
112 	u8			cdb[12];
113 	struct dataseg		dataseg[4];
114 };
115 
116 /* command entry control flag definitions */
117 #define CFLAG_NODISC		0x01
118 #define CFLAG_HEAD_TAG		0x02
119 #define CFLAG_ORDERED_TAG	0x04
120 #define CFLAG_SIMPLE_TAG	0x08
121 #define CFLAG_TAR_RTN		0x10
122 #define CFLAG_READ		0x20
123 #define CFLAG_WRITE		0x40
124 
125 struct Ext_Command_Entry {
126 	struct Entry_header	hdr;
127 	u32			handle;
128 #ifdef __BIG_ENDIAN
129 	u8			target_id;
130 	u8			target_lun;
131 #else /* __LITTLE_ENDIAN */
132 	u8			target_lun;
133 	u8			target_id;
134 #endif
135 	u16			cdb_length;
136 	u16			control_flags;
137 	u16			rsvd;
138 	u16			time_out;
139 	u16			segment_cnt;
140 	u8			cdb[44];
141 };
142 
143 struct Continuation_Entry {
144 	struct Entry_header	hdr;
145 	u32			reserved;
146 	struct dataseg		dataseg[7];
147 };
148 
149 struct Marker_Entry {
150 	struct Entry_header	hdr;
151 	u32			reserved;
152 #ifdef __BIG_ENDIAN
153 	u8			target_id;
154 	u8			target_lun;
155 #else /* __LITTLE_ENDIAN */
156 	u8			target_lun;
157 	u8			target_id;
158 #endif
159 #ifdef __BIG_ENDIAN
160 	u8			rsvd;
161 	u8			modifier;
162 #else /* __LITTLE_ENDIAN */
163 	u8			modifier;
164 	u8			rsvd;
165 #endif
166 	u8			rsvds[52];
167 };
168 
169 /* marker entry modifier definitions */
170 #define SYNC_DEVICE	0
171 #define SYNC_TARGET	1
172 #define SYNC_ALL	2
173 
174 struct Status_Entry {
175 	struct Entry_header	hdr;
176 	u32			handle;
177 	u16			scsi_status;
178 	u16			completion_status;
179 	u16			state_flags;
180 	u16			status_flags;
181 	u16			time;
182 	u16			req_sense_len;
183 	u32			residual;
184 	u8			rsvd[8];
185 	u8			req_sense_data[32];
186 };
187 
188 /* status entry completion status definitions */
189 #define CS_COMPLETE			0x0000
190 #define CS_INCOMPLETE			0x0001
191 #define CS_DMA_ERROR			0x0002
192 #define CS_TRANSPORT_ERROR		0x0003
193 #define CS_RESET_OCCURRED		0x0004
194 #define CS_ABORTED			0x0005
195 #define CS_TIMEOUT			0x0006
196 #define CS_DATA_OVERRUN			0x0007
197 #define CS_COMMAND_OVERRUN		0x0008
198 #define CS_STATUS_OVERRUN		0x0009
199 #define CS_BAD_MESSAGE			0x000a
200 #define CS_NO_MESSAGE_OUT		0x000b
201 #define CS_EXT_ID_FAILED		0x000c
202 #define CS_IDE_MSG_FAILED		0x000d
203 #define CS_ABORT_MSG_FAILED		0x000e
204 #define CS_REJECT_MSG_FAILED		0x000f
205 #define CS_NOP_MSG_FAILED		0x0010
206 #define CS_PARITY_ERROR_MSG_FAILED	0x0011
207 #define CS_DEVICE_RESET_MSG_FAILED	0x0012
208 #define CS_ID_MSG_FAILED		0x0013
209 #define CS_UNEXP_BUS_FREE		0x0014
210 #define CS_DATA_UNDERRUN		0x0015
211 #define CS_BUS_RESET			0x001c
212 
213 /* status entry state flag definitions */
214 #define SF_GOT_BUS			0x0100
215 #define SF_GOT_TARGET			0x0200
216 #define SF_SENT_CDB			0x0400
217 #define SF_TRANSFERRED_DATA		0x0800
218 #define SF_GOT_STATUS			0x1000
219 #define SF_GOT_SENSE			0x2000
220 
221 /* status entry status flag definitions */
222 #define STF_DISCONNECT			0x0001
223 #define STF_SYNCHRONOUS			0x0002
224 #define STF_PARITY_ERROR		0x0004
225 #define STF_BUS_RESET			0x0008
226 #define STF_DEVICE_RESET		0x0010
227 #define STF_ABORTED			0x0020
228 #define STF_TIMEOUT			0x0040
229 #define STF_NEGOTIATION			0x0080
230 
231 /* mailbox commands */
232 #define MBOX_NO_OP			0x0000
233 #define MBOX_LOAD_RAM			0x0001
234 #define MBOX_EXEC_FIRMWARE		0x0002
235 #define MBOX_DUMP_RAM			0x0003
236 #define MBOX_WRITE_RAM_WORD		0x0004
237 #define MBOX_READ_RAM_WORD		0x0005
238 #define MBOX_MAILBOX_REG_TEST		0x0006
239 #define MBOX_VERIFY_CHECKSUM		0x0007
240 #define MBOX_ABOUT_FIRMWARE		0x0008
241 #define MBOX_CHECK_FIRMWARE		0x000e
242 #define MBOX_INIT_REQ_QUEUE		0x0010
243 #define MBOX_INIT_RES_QUEUE		0x0011
244 #define MBOX_EXECUTE_IOCB		0x0012
245 #define MBOX_WAKE_UP			0x0013
246 #define MBOX_STOP_FIRMWARE		0x0014
247 #define MBOX_ABORT			0x0015
248 #define MBOX_ABORT_DEVICE		0x0016
249 #define MBOX_ABORT_TARGET		0x0017
250 #define MBOX_BUS_RESET			0x0018
251 #define MBOX_STOP_QUEUE			0x0019
252 #define MBOX_START_QUEUE		0x001a
253 #define MBOX_SINGLE_STEP_QUEUE		0x001b
254 #define MBOX_ABORT_QUEUE		0x001c
255 #define MBOX_GET_DEV_QUEUE_STATUS	0x001d
256 #define MBOX_GET_FIRMWARE_STATUS	0x001f
257 #define MBOX_GET_INIT_SCSI_ID		0x0020
258 #define MBOX_GET_SELECT_TIMEOUT		0x0021
259 #define MBOX_GET_RETRY_COUNT		0x0022
260 #define MBOX_GET_TAG_AGE_LIMIT		0x0023
261 #define MBOX_GET_CLOCK_RATE		0x0024
262 #define MBOX_GET_ACT_NEG_STATE		0x0025
263 #define MBOX_GET_ASYNC_DATA_SETUP_TIME	0x0026
264 #define MBOX_GET_SBUS_PARAMS		0x0027
265 #define MBOX_GET_TARGET_PARAMS		0x0028
266 #define MBOX_GET_DEV_QUEUE_PARAMS	0x0029
267 #define MBOX_SET_INIT_SCSI_ID		0x0030
268 #define MBOX_SET_SELECT_TIMEOUT		0x0031
269 #define MBOX_SET_RETRY_COUNT		0x0032
270 #define MBOX_SET_TAG_AGE_LIMIT		0x0033
271 #define MBOX_SET_CLOCK_RATE		0x0034
272 #define MBOX_SET_ACTIVE_NEG_STATE	0x0035
273 #define MBOX_SET_ASYNC_DATA_SETUP_TIME	0x0036
274 #define MBOX_SET_SBUS_CONTROL_PARAMS	0x0037
275 #define MBOX_SET_TARGET_PARAMS		0x0038
276 #define MBOX_SET_DEV_QUEUE_PARAMS	0x0039
277 
278 struct host_param {
279 	u_short		initiator_scsi_id;
280 	u_short		bus_reset_delay;
281 	u_short		retry_count;
282 	u_short		retry_delay;
283 	u_short		async_data_setup_time;
284 	u_short		req_ack_active_negation;
285 	u_short		data_line_active_negation;
286 	u_short		data_dma_burst_enable;
287 	u_short		command_dma_burst_enable;
288 	u_short		tag_aging;
289 	u_short		selection_timeout;
290 	u_short		max_queue_depth;
291 };
292 
293 /*
294  * Device Flags:
295  *
296  * Bit  Name
297  * ---------
298  *  7   Disconnect Privilege
299  *  6   Parity Checking
300  *  5   Wide Data Transfers
301  *  4   Synchronous Data Transfers
302  *  3   Tagged Queuing
303  *  2   Automatic Request Sense
304  *  1   Stop Queue on Check Condition
305  *  0   Renegotiate on Error
306  */
307 
308 struct dev_param {
309 	u_short		device_flags;
310 	u_short		execution_throttle;
311 	u_short		synchronous_period;
312 	u_short		synchronous_offset;
313 	u_short		device_enable;
314 	u_short		reserved; /* pad */
315 };
316 
317 /*
318  * The result queue can be quite a bit smaller since continuation entries
319  * do not show up there:
320  */
321 #define RES_QUEUE_LEN		255	/* Must be power of two - 1 */
322 #define QUEUE_ENTRY_LEN		64
323 
324 #define NEXT_REQ_PTR(wheee)   (((wheee) + 1) & QLOGICPTI_REQ_QUEUE_LEN)
325 #define NEXT_RES_PTR(wheee)   (((wheee) + 1) & RES_QUEUE_LEN)
326 #define PREV_REQ_PTR(wheee)   (((wheee) - 1) & QLOGICPTI_REQ_QUEUE_LEN)
327 #define PREV_RES_PTR(wheee)   (((wheee) - 1) & RES_QUEUE_LEN)
328 
329 struct pti_queue_entry {
330 	char __opaque[QUEUE_ENTRY_LEN];
331 };
332 
333 struct scsi_cmnd;
334 
335 /* Software state for the driver. */
336 struct qlogicpti {
337 	/* These are the hot elements in the cache, so they come first. */
338 	void __iomem             *qregs;                /* Adapter registers          */
339 	struct pti_queue_entry   *res_cpu;              /* Ptr to RESPONSE bufs (CPU) */
340 	struct pti_queue_entry   *req_cpu;              /* Ptr to REQUEST bufs (CPU)  */
341 
342 	u_int	                  req_in_ptr;		/* index of next request slot */
343 	u_int	                  res_out_ptr;		/* index of next result slot  */
344 	long	                  send_marker;		/* must we send a marker?     */
345 	struct platform_device	 *op;
346 	unsigned long		  __pad;
347 
348 	int                       cmd_count[MAX_TARGETS];
349 	unsigned long             tag_ages[MAX_TARGETS];
350 
351 	/* The cmd->handler is only 32-bits, so that things work even on monster
352 	 * Ex000 sparc64 machines with >4GB of ram we just keep track of the
353 	 * scsi command pointers here.  This is essentially what Matt Jacob does. -DaveM
354 	 */
355 	struct scsi_cmnd         *cmd_slots[QLOGICPTI_REQ_QUEUE_LEN + 1];
356 
357 	/* The rest of the elements are unimportant for performance. */
358 	struct qlogicpti         *next;
359 	__u32                     res_dvma;             /* Ptr to RESPONSE bufs (DVMA)*/
360 	__u32                     req_dvma;             /* Ptr to REQUEST bufs (DVMA) */
361 	u_char	                  fware_majrev, fware_minrev, fware_micrev;
362 	struct Scsi_Host         *qhost;
363 	int                       qpti_id;
364 	int                       scsi_id;
365 	int                       prom_node;
366 	char                      prom_name[64];
367 	int                       irq;
368 	char                      differential, ultra, clock;
369 	unsigned char             bursts;
370 	struct	host_param        host_param;
371 	struct	dev_param         dev_param[MAX_TARGETS];
372 
373 	void __iomem              *sreg;
374 #define SREG_TPOWER               0x80   /* State of termpwr           */
375 #define SREG_FUSE                 0x40   /* State of on board fuse     */
376 #define SREG_PDISAB               0x20   /* Disable state for power on */
377 #define SREG_DSENSE               0x10   /* Sense for differential     */
378 #define SREG_IMASK                0x0c   /* Interrupt level            */
379 #define SREG_SPMASK               0x03   /* Mask for switch pack       */
380 	unsigned char             swsreg;
381 	unsigned int
382 		gotirq	:	1,	/* this instance got an irq */
383 		is_pti	: 	1;	/* Non-zero if this is a PTI board. */
384 };
385 
386 /* How to twiddle them bits... */
387 
388 /* SBUS config register one. */
389 #define SBUS_CFG1_EPAR          0x0100      /* Enable parity checking           */
390 #define SBUS_CFG1_FMASK         0x00f0      /* Forth code cycle mask            */
391 #define SBUS_CFG1_BENAB         0x0004      /* Burst dvma enable                */
392 #define SBUS_CFG1_B64           0x0003      /* Enable 64byte bursts             */
393 #define SBUS_CFG1_B32           0x0002      /* Enable 32byte bursts             */
394 #define SBUS_CFG1_B16           0x0001      /* Enable 16byte bursts             */
395 #define SBUS_CFG1_B8            0x0008      /* Enable 8byte bursts              */
396 
397 /* SBUS control register */
398 #define SBUS_CTRL_EDIRQ         0x0020      /* Enable Data DVMA Interrupts      */
399 #define SBUS_CTRL_ECIRQ         0x0010      /* Enable Command DVMA Interrupts   */
400 #define SBUS_CTRL_ESIRQ         0x0008      /* Enable SCSI Processor Interrupts */
401 #define SBUS_CTRL_ERIRQ         0x0004      /* Enable RISC Processor Interrupts */
402 #define SBUS_CTRL_GENAB         0x0002      /* Global Interrupt Enable          */
403 #define SBUS_CTRL_RESET         0x0001      /* Soft Reset                       */
404 
405 /* SBUS status register */
406 #define SBUS_STAT_DINT          0x0020      /* Data DVMA IRQ pending            */
407 #define SBUS_STAT_CINT          0x0010      /* Command DVMA IRQ pending         */
408 #define SBUS_STAT_SINT          0x0008      /* SCSI Processor IRQ pending       */
409 #define SBUS_STAT_RINT          0x0004      /* RISC Processor IRQ pending       */
410 #define SBUS_STAT_GINT          0x0002      /* Global IRQ pending               */
411 
412 /* SBUS semaphore register */
413 #define SBUS_SEMAPHORE_STAT     0x0002      /* Semaphore status bit             */
414 #define SBUS_SEMAPHORE_LCK      0x0001      /* Semaphore lock bit               */
415 
416 /* DVMA control register */
417 #define DMA_CTRL_CSUSPEND       0x0010      /* DMA channel suspend              */
418 #define DMA_CTRL_CCLEAR         0x0008      /* DMA channel clear and reset      */
419 #define DMA_CTRL_FCLEAR         0x0004      /* DMA fifo clear                   */
420 #define DMA_CTRL_CIRQ           0x0002      /* DMA irq clear                    */
421 #define DMA_CTRL_DMASTART       0x0001      /* DMA transfer start               */
422 
423 /* SCSI processor override register */
424 #define CPU_ORIDE_ETRIG         0x8000      /* External trigger enable          */
425 #define CPU_ORIDE_STEP          0x4000      /* Single step mode enable          */
426 #define CPU_ORIDE_BKPT          0x2000      /* Breakpoint reg enable            */
427 #define CPU_ORIDE_PWRITE        0x1000      /* SCSI pin write enable            */
428 #define CPU_ORIDE_OFORCE        0x0800      /* Force outputs on                 */
429 #define CPU_ORIDE_LBACK         0x0400      /* SCSI loopback enable             */
430 #define CPU_ORIDE_PTEST         0x0200      /* Parity test enable               */
431 #define CPU_ORIDE_TENAB         0x0100      /* SCSI pins tristate enable        */
432 #define CPU_ORIDE_TPINS         0x0080      /* SCSI pins enable                 */
433 #define CPU_ORIDE_FRESET        0x0008      /* FIFO reset                       */
434 #define CPU_ORIDE_CTERM         0x0004      /* Command terminate                */
435 #define CPU_ORIDE_RREG          0x0002      /* Reset SCSI processor regs        */
436 #define CPU_ORIDE_RMOD          0x0001      /* Reset SCSI processor module      */
437 
438 /* SCSI processor commands */
439 #define CPU_CMD_BRESET          0x300b      /* Reset SCSI bus                   */
440 
441 /* SCSI processor pin control register */
442 #define CPU_PCTRL_PVALID        0x8000      /* Phase bits are valid             */
443 #define CPU_PCTRL_PHI           0x0400      /* Parity bit high                  */
444 #define CPU_PCTRL_PLO           0x0200      /* Parity bit low                   */
445 #define CPU_PCTRL_REQ           0x0100      /* REQ bus signal                   */
446 #define CPU_PCTRL_ACK           0x0080      /* ACK bus signal                   */
447 #define CPU_PCTRL_RST           0x0040      /* RST bus signal                   */
448 #define CPU_PCTRL_BSY           0x0020      /* BSY bus signal                   */
449 #define CPU_PCTRL_SEL           0x0010      /* SEL bus signal                   */
450 #define CPU_PCTRL_ATN           0x0008      /* ATN bus signal                   */
451 #define CPU_PCTRL_MSG           0x0004      /* MSG bus signal                   */
452 #define CPU_PCTRL_CD            0x0002      /* CD bus signal                    */
453 #define CPU_PCTRL_IO            0x0001      /* IO bus signal                    */
454 
455 /* SCSI processor differential pins register */
456 #define CPU_PDIFF_SENSE         0x0200      /* Differential sense               */
457 #define CPU_PDIFF_MODE          0x0100      /* Differential mode                */
458 #define CPU_PDIFF_OENAB         0x0080      /* Outputs enable                   */
459 #define CPU_PDIFF_PMASK         0x007c      /* Differential control pins        */
460 #define CPU_PDIFF_TGT           0x0002      /* Target mode enable               */
461 #define CPU_PDIFF_INIT          0x0001      /* Initiator mode enable            */
462 
463 /* RISC processor status register */
464 #define RISC_PSR_FTRUE          0x8000      /* Force true                       */
465 #define RISC_PSR_LCD            0x4000      /* Loop counter shows done status   */
466 #define RISC_PSR_RIRQ           0x2000      /* RISC irq status                  */
467 #define RISC_PSR_TOFLOW         0x1000      /* Timer overflow (rollover)        */
468 #define RISC_PSR_AOFLOW         0x0800      /* Arithmetic overflow              */
469 #define RISC_PSR_AMSB           0x0400      /* Arithmetic big endian            */
470 #define RISC_PSR_ACARRY         0x0200      /* Arithmetic carry                 */
471 #define RISC_PSR_AZERO          0x0100      /* Arithmetic zero                  */
472 #define RISC_PSR_ULTRA          0x0020      /* Ultra mode                       */
473 #define RISC_PSR_DIRQ           0x0010      /* DVMA interrupt                   */
474 #define RISC_PSR_SIRQ           0x0008      /* SCSI processor interrupt         */
475 #define RISC_PSR_HIRQ           0x0004      /* Host interrupt                   */
476 #define RISC_PSR_IPEND          0x0002      /* Interrupt pending                */
477 #define RISC_PSR_FFALSE         0x0001      /* Force false                      */
478 
479 /* RISC processor memory timing register */
480 #define RISC_MTREG_P1DFLT       0x1200      /* Default read/write timing, pg1   */
481 #define RISC_MTREG_P0DFLT       0x0012      /* Default read/write timing, pg0   */
482 #define RISC_MTREG_P1ULTRA      0x2300      /* Ultra-mode rw timing, pg1        */
483 #define RISC_MTREG_P0ULTRA      0x0023      /* Ultra-mode rw timing, pg0        */
484 
485 /* Host command/ctrl register */
486 #define HCCTRL_NOP              0x0000      /* CMD: No operation                */
487 #define HCCTRL_RESET            0x1000      /* CMD: Reset RISC cpu              */
488 #define HCCTRL_PAUSE            0x2000      /* CMD: Pause RISC cpu              */
489 #define HCCTRL_REL              0x3000      /* CMD: Release paused RISC cpu     */
490 #define HCCTRL_STEP             0x4000      /* CMD: Single step RISC cpu        */
491 #define HCCTRL_SHIRQ            0x5000      /* CMD: Set host irq                */
492 #define HCCTRL_CHIRQ            0x6000      /* CMD: Clear host irq              */
493 #define HCCTRL_CRIRQ            0x7000      /* CMD: Clear RISC cpu irq          */
494 #define HCCTRL_BKPT             0x8000      /* CMD: Breakpoint enables change   */
495 #define HCCTRL_TMODE            0xf000      /* CMD: Enable test mode            */
496 #define HCCTRL_HIRQ             0x0080      /* Host IRQ pending                 */
497 #define HCCTRL_RRIP             0x0040      /* RISC cpu reset in happening now  */
498 #define HCCTRL_RPAUSED          0x0020      /* RISC cpu is paused now           */
499 #define HCCTRL_EBENAB           0x0010      /* External breakpoint enable       */
500 #define HCCTRL_B1ENAB           0x0008      /* Breakpoint 1 enable              */
501 #define HCCTRL_B0ENAB           0x0004      /* Breakpoint 0 enable              */
502 
503 /* For our interrupt engine. */
504 #define for_each_qlogicpti(qp) \
505         for((qp) = qptichain; (qp); (qp) = (qp)->next)
506 
507 #endif /* !(_QLOGICPTI_H) */
508