xref: /freebsd/sys/dev/mfi/mfivar.h (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /*-
2  * Copyright (c) 2006 IronPort Systems
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 /*-
27  * Copyright (c) 2007 LSI Corp.
28  * Copyright (c) 2007 Rajesh Prabhakaran.
29  * All rights reserved.
30  *
31  * Redistribution and use in source and binary forms, with or without
32  * modification, are permitted provided that the following conditions
33  * are met:
34  * 1. Redistributions of source code must retain the above copyright
35  *    notice, this list of conditions and the following disclaimer.
36  * 2. Redistributions in binary form must reproduce the above copyright
37  *    notice, this list of conditions and the following disclaimer in the
38  *    documentation and/or other materials provided with the distribution.
39  *
40  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50  * SUCH DAMAGE.
51  */
52 
53 #ifndef _MFIVAR_H
54 #define _MFIVAR_H
55 
56 #include <sys/cdefs.h>
57 __FBSDID("$FreeBSD$");
58 
59 #include <sys/lock.h>
60 #include <sys/sx.h>
61 
62 #include <sys/types.h>
63 #include <sys/taskqueue.h>
64 #include "opt_mfi.h"
65 
66 /*
67  * SCSI structures and definitions are used from here, but no linking
68  * requirements are made to CAM.
69  */
70 #include <cam/scsi/scsi_all.h>
71 
72 struct mfi_hwcomms {
73 	uint32_t		hw_pi;
74 	uint32_t		hw_ci;
75 	uint32_t		hw_reply_q[1];
76 };
77 #define	MEGASAS_MAX_NAME	32
78 #define	MEGASAS_VERSION		"4.23"
79 
80 struct mfi_softc;
81 struct disk;
82 struct ccb_hdr;
83 
84 struct mfi_command {
85 	TAILQ_ENTRY(mfi_command) cm_link;
86 	time_t			cm_timestamp;
87 	struct mfi_softc	*cm_sc;
88 	union mfi_frame		*cm_frame;
89 	bus_addr_t		cm_frame_busaddr;
90 	struct mfi_sense	*cm_sense;
91 	bus_addr_t		cm_sense_busaddr;
92 	bus_dmamap_t		cm_dmamap;
93 	union mfi_sgl		*cm_sg;
94 	void			*cm_data;
95 	int			cm_len;
96 	int			cm_stp_len;
97 	int			cm_total_frame_size;
98 	int			cm_extra_frames;
99 	int			cm_flags;
100 #define MFI_CMD_MAPPED		(1<<0)
101 #define MFI_CMD_DATAIN		(1<<1)
102 #define MFI_CMD_DATAOUT		(1<<2)
103 #define MFI_CMD_COMPLETED	(1<<3)
104 #define MFI_CMD_POLLED		(1<<4)
105 #define MFI_CMD_SCSI		(1<<5)
106 #define MFI_CMD_CCB		(1<<6)
107 #define	MFI_CMD_BIO		(1<<7)
108 #define MFI_CMD_TBOLT		(1<<8)
109 #define MFI_ON_MFIQ_FREE	(1<<9)
110 #define MFI_ON_MFIQ_READY	(1<<10)
111 #define MFI_ON_MFIQ_BUSY	(1<<11)
112 #define MFI_ON_MFIQ_MASK	(MFI_ON_MFIQ_FREE | MFI_ON_MFIQ_READY| \
113     MFI_ON_MFIQ_BUSY)
114 #define MFI_CMD_FLAGS_FMT	"\20" \
115     "\1MAPPED" \
116     "\2DATAIN" \
117     "\3DATAOUT" \
118     "\4COMPLETED" \
119     "\5POLLED" \
120     "\6SCSI" \
121     "\7BIO" \
122     "\10TBOLT" \
123     "\11Q_FREE" \
124     "\12Q_READY" \
125     "\13Q_BUSY"
126 	uint8_t			retry_for_fw_reset;
127 	void			(* cm_complete)(struct mfi_command *cm);
128 	void			*cm_private;
129 	int			cm_index;
130 	int			cm_error;
131 };
132 
133 struct mfi_disk {
134 	TAILQ_ENTRY(mfi_disk)	ld_link;
135 	device_t	ld_dev;
136 	int		ld_id;
137 	int		ld_unit;
138 	struct mfi_softc *ld_controller;
139 	struct mfi_ld_info	*ld_info;
140 	struct disk	*ld_disk;
141 	int		ld_flags;
142 #define MFI_DISK_FLAGS_OPEN	0x01
143 #define	MFI_DISK_FLAGS_DISABLED	0x02
144 };
145 
146 struct mfi_disk_pending {
147 	TAILQ_ENTRY(mfi_disk_pending)	ld_link;
148 	int		ld_id;
149 };
150 
151 struct mfi_system_pd {
152 	TAILQ_ENTRY(mfi_system_pd) pd_link;
153 	device_t	pd_dev;
154 	int		pd_id;
155 	int		pd_unit;
156 	struct mfi_softc *pd_controller;
157 	struct mfi_pd_info *pd_info;
158 	struct disk	*pd_disk;
159 	int		pd_flags;
160 };
161 
162 struct mfi_system_pending {
163 	TAILQ_ENTRY(mfi_system_pending) pd_link;
164 	int		pd_id;
165 };
166 
167 struct mfi_evt_queue_elm {
168 	TAILQ_ENTRY(mfi_evt_queue_elm)	link;
169 	struct mfi_evt_detail		detail;
170 };
171 
172 struct mfi_aen {
173 	TAILQ_ENTRY(mfi_aen) aen_link;
174 	struct proc			*p;
175 };
176 
177 struct mfi_skinny_dma_info {
178 	bus_dma_tag_t			dmat[514];
179 	bus_dmamap_t			dmamap[514];
180 	uint32_t			mem[514];
181 	int				noofmaps;
182 };
183 
184 struct megasas_sge
185 {
186 	bus_addr_t			phys_addr;
187 	uint32_t			length;
188 };
189 
190 struct mfi_cmd_tbolt;
191 
192 struct mfi_softc {
193 	device_t			mfi_dev;
194 	int				mfi_flags;
195 #define MFI_FLAGS_SG64		(1<<0)
196 #define MFI_FLAGS_QFRZN		(1<<1)
197 #define MFI_FLAGS_OPEN		(1<<2)
198 #define MFI_FLAGS_STOP		(1<<3)
199 #define MFI_FLAGS_1064R		(1<<4)
200 #define MFI_FLAGS_1078		(1<<5)
201 #define MFI_FLAGS_GEN2		(1<<6)
202 #define MFI_FLAGS_SKINNY	(1<<7)
203 #define MFI_FLAGS_TBOLT		(1<<8)
204 #define MFI_FLAGS_MRSAS		(1<<9)
205 #define MFI_FLAGS_INVADER	(1<<10)
206 #define MFI_FLAGS_FURY		(1<<11)
207 	// Start: LSIP200113393
208 	bus_dma_tag_t			verbuf_h_dmat;
209 	bus_dmamap_t			verbuf_h_dmamap;
210 	bus_addr_t			verbuf_h_busaddr;
211 	uint32_t			*verbuf;
212 	void				*kbuff_arr[MAX_IOCTL_SGE];
213 	bus_dma_tag_t			mfi_kbuff_arr_dmat[2];
214 	bus_dmamap_t			mfi_kbuff_arr_dmamap[2];
215 	bus_addr_t			mfi_kbuff_arr_busaddr[2];
216 
217 	struct mfi_hwcomms		*mfi_comms;
218 	TAILQ_HEAD(,mfi_command)	mfi_free;
219 	TAILQ_HEAD(,mfi_command)	mfi_ready;
220 	TAILQ_HEAD(BUSYQ,mfi_command)	mfi_busy;
221 	struct bio_queue_head		mfi_bioq;
222 	struct mfi_qstat		mfi_qstat[MFIQ_COUNT];
223 
224 	struct resource			*mfi_regs_resource;
225 	bus_space_handle_t		mfi_bhandle;
226 	bus_space_tag_t			mfi_btag;
227 	int				mfi_regs_rid;
228 
229 	bus_dma_tag_t			mfi_parent_dmat;
230 	bus_dma_tag_t			mfi_buffer_dmat;
231 
232 	bus_dma_tag_t			mfi_comms_dmat;
233 	bus_dmamap_t			mfi_comms_dmamap;
234 	bus_addr_t			mfi_comms_busaddr;
235 
236 	bus_dma_tag_t			mfi_frames_dmat;
237 	bus_dmamap_t			mfi_frames_dmamap;
238 	bus_addr_t			mfi_frames_busaddr;
239 	union mfi_frame			*mfi_frames;
240 
241 	bus_dma_tag_t			mfi_tb_init_dmat;
242 	bus_dmamap_t			mfi_tb_init_dmamap;
243 	bus_addr_t			mfi_tb_init_busaddr;
244 	bus_addr_t			mfi_tb_ioc_init_busaddr;
245 	union mfi_frame			*mfi_tb_init;
246 
247 	TAILQ_HEAD(,mfi_evt_queue_elm)	mfi_evt_queue;
248 	struct task			mfi_evt_task;
249 	struct task			mfi_map_sync_task;
250 	TAILQ_HEAD(,mfi_aen)		mfi_aen_pids;
251 	struct mfi_command		*mfi_aen_cm;
252 	struct mfi_command		*mfi_skinny_cm;
253 	struct mfi_command		*mfi_map_sync_cm;
254 	int				cm_aen_abort;
255 	int				cm_map_abort;
256 	uint32_t			mfi_aen_triggered;
257 	uint32_t			mfi_poll_waiting;
258 	uint32_t			mfi_boot_seq_num;
259 	struct selinfo			mfi_select;
260 	int				mfi_delete_busy_volumes;
261 	int				mfi_keep_deleted_volumes;
262 	int				mfi_detaching;
263 
264 	bus_dma_tag_t			mfi_sense_dmat;
265 	bus_dmamap_t			mfi_sense_dmamap;
266 	bus_addr_t			mfi_sense_busaddr;
267 	struct mfi_sense		*mfi_sense;
268 
269 	struct resource			*mfi_irq;
270 	void				*mfi_intr;
271 	int				mfi_irq_rid;
272 
273 	struct intr_config_hook		mfi_ich;
274 	eventhandler_tag		eh;
275 	/* OCR flags */
276 	uint8_t adpreset;
277 	uint8_t issuepend_done;
278 	uint8_t disableOnlineCtrlReset;
279 	uint32_t mfiStatus;
280 	uint32_t last_seq_num;
281 	uint32_t volatile hw_crit_error;
282 
283 	/*
284 	 * Allocation for the command array.  Used as an indexable array to
285 	 * recover completed commands.
286 	 */
287 	struct mfi_command		*mfi_commands;
288 	/*
289 	 * How many commands the firmware can handle.  Also how big the reply
290 	 * queue is, minus 1.
291 	 */
292 	int				mfi_max_fw_cmds;
293 	/*
294 	 * How many S/G elements we'll ever actually use
295 	 */
296 	int				mfi_max_sge;
297 	/*
298 	 * How many bytes a compound frame is, including all of the extra frames
299 	 * that are used for S/G elements.
300 	 */
301 	int				mfi_cmd_size;
302 	/*
303 	 * How large an S/G element is.  Used to calculate the number of single
304 	 * frames in a command.
305 	 */
306 	int				mfi_sge_size;
307 	/*
308 	 * Max number of sectors that the firmware allows
309 	 */
310 	uint32_t			mfi_max_io;
311 
312 	TAILQ_HEAD(,mfi_disk)		mfi_ld_tqh;
313 	TAILQ_HEAD(,mfi_system_pd)	mfi_syspd_tqh;
314 	TAILQ_HEAD(,mfi_disk_pending)	mfi_ld_pend_tqh;
315 	TAILQ_HEAD(,mfi_system_pending)	mfi_syspd_pend_tqh;
316 	eventhandler_tag		mfi_eh;
317 	struct cdev			*mfi_cdev;
318 
319 	TAILQ_HEAD(, ccb_hdr)		mfi_cam_ccbq;
320 	struct mfi_command *		(* mfi_cam_start)(void *);
321 	void				(*mfi_cam_rescan_cb)(struct mfi_softc *,
322 					    uint32_t);
323 	struct callout			mfi_watchdog_callout;
324 	struct mtx			mfi_io_lock;
325 	struct sx			mfi_config_lock;
326 
327 	/* Controller type specific interfaces */
328 	void	(*mfi_enable_intr)(struct mfi_softc *sc);
329 	void	(*mfi_disable_intr)(struct mfi_softc *sc);
330 	int32_t	(*mfi_read_fw_status)(struct mfi_softc *sc);
331 	int	(*mfi_check_clear_intr)(struct mfi_softc *sc);
332 	void	(*mfi_issue_cmd)(struct mfi_softc *sc, bus_addr_t bus_add,
333 		    uint32_t frame_cnt);
334 	int	(*mfi_adp_reset)(struct mfi_softc *sc);
335 	int	(*mfi_adp_check_reset)(struct mfi_softc *sc);
336 	void				(*mfi_intr_ptr)(void *sc);
337 
338 	/* ThunderBolt */
339 	uint32_t			mfi_tbolt;
340 	uint32_t			MFA_enabled;
341 	/* Single Reply structure size */
342 	uint16_t			reply_size;
343 	/* Singler message size. */
344 	uint16_t			raid_io_msg_size;
345 	TAILQ_HEAD(TB, mfi_cmd_tbolt)	mfi_cmd_tbolt_tqh;
346 	/* ThunderBolt base contiguous memory mapping. */
347 	bus_dma_tag_t			mfi_tb_dmat;
348 	bus_dmamap_t			mfi_tb_dmamap;
349 	bus_addr_t			mfi_tb_busaddr;
350 	/* ThunderBolt Contiguous DMA memory Mapping */
351 	uint8_t	*			request_message_pool;
352 	uint8_t *			request_message_pool_align;
353 	uint8_t *			request_desc_pool;
354 	bus_addr_t			request_msg_busaddr;
355 	bus_addr_t			reply_frame_busaddr;
356 	bus_addr_t			sg_frame_busaddr;
357 	/* ThunderBolt IOC Init Descriptor */
358 	bus_dma_tag_t			mfi_tb_ioc_init_dmat;
359 	bus_dmamap_t			mfi_tb_ioc_init_dmamap;
360 	uint8_t *			mfi_tb_ioc_init_desc;
361 	struct mfi_cmd_tbolt		**mfi_cmd_pool_tbolt;
362 	/* Virtual address of reply Frame Pool */
363 	struct mfi_mpi2_reply_header*	reply_frame_pool;
364 	struct mfi_mpi2_reply_header*	reply_frame_pool_align;
365 
366 	/* Last reply frame address */
367 	uint8_t *			reply_pool_limit;
368 	uint16_t			last_reply_idx;
369 	uint8_t				max_SGEs_in_chain_message;
370 	uint8_t				max_SGEs_in_main_message;
371 	uint8_t				chain_offset_value_for_main_message;
372 	uint8_t				chain_offset_value_for_mpt_ptmsg;
373 };
374 
375 union desc_value {
376 	uint64_t	word;
377 	struct {
378 		uint32_t	low;
379 		uint32_t	high;
380 	}u;
381 };
382 
383 // TODO find the right definition
384 #define XXX_MFI_CMD_OP_INIT2                    0x9
385 /*
386  * Request descriptor types
387  */
388 #define MFI_REQ_DESCRIPT_FLAGS_LD_IO           0x7
389 #define MFI_REQ_DESCRIPT_FLAGS_MFA             0x1
390 #define MFI_REQ_DESCRIPT_FLAGS_TYPE_SHIFT	0x1
391 #define MFI_FUSION_FP_DEFAULT_TIMEOUT		0x14
392 #define MFI_LOAD_BALANCE_FLAG			0x1
393 #define MFI_DCMD_MBOX_PEND_FLAG			0x1
394 
395 //#define MR_PROT_INFO_TYPE_CONTROLLER	0x08
396 #define	MEGASAS_SCSI_VARIABLE_LENGTH_CMD	0x7f
397 #define MEGASAS_SCSI_SERVICE_ACTION_READ32	0x9
398 #define MEGASAS_SCSI_SERVICE_ACTION_WRITE32	0xB
399 #define	MEGASAS_SCSI_ADDL_CDB_LEN   		0x18
400 #define MEGASAS_RD_WR_PROTECT_CHECK_ALL		0x20
401 #define MEGASAS_RD_WR_PROTECT_CHECK_NONE	0x60
402 #define MEGASAS_EEDPBLOCKSIZE			512
403 struct mfi_cmd_tbolt {
404 	union mfi_mpi2_request_descriptor *request_desc;
405 	struct mfi_mpi2_request_raid_scsi_io *io_request;
406 	bus_addr_t		io_request_phys_addr;
407 	bus_addr_t		sg_frame_phys_addr;
408 	bus_addr_t 		sense_phys_addr;
409 	MPI2_SGE_IO_UNION	*sg_frame;
410 	uint8_t			*sense;
411 	TAILQ_ENTRY(mfi_cmd_tbolt) next;
412 	/*
413 	 * Context for a MFI frame.
414 	 * Used to get the mfi cmd from list when a MFI cmd is completed
415 	 */
416 	uint32_t		sync_cmd_idx;
417 	uint16_t		index;
418 	uint8_t			status;
419 };
420 
421 extern int mfi_attach(struct mfi_softc *);
422 extern void mfi_free(struct mfi_softc *);
423 extern int mfi_shutdown(struct mfi_softc *);
424 extern void mfi_startio(struct mfi_softc *);
425 extern void mfi_disk_complete(struct bio *);
426 extern int mfi_disk_disable(struct mfi_disk *);
427 extern void mfi_disk_enable(struct mfi_disk *);
428 extern int mfi_dump_blocks(struct mfi_softc *, int id, uint64_t, void *, int);
429 extern int mfi_syspd_disable(struct mfi_system_pd *);
430 extern void mfi_syspd_enable(struct mfi_system_pd *);
431 extern int mfi_dump_syspd_blocks(struct mfi_softc *, int id, uint64_t, void *,
432     int);
433 extern int mfi_transition_firmware(struct mfi_softc *sc);
434 extern int mfi_aen_setup(struct mfi_softc *sc, uint32_t seq_start);
435 extern void mfi_complete(struct mfi_softc *sc, struct mfi_command *cm);
436 extern int mfi_mapcmd(struct mfi_softc *sc,struct mfi_command *cm);
437 extern int mfi_wait_command(struct mfi_softc *sc, struct mfi_command *cm);
438 extern void mfi_tbolt_enable_intr_ppc(struct mfi_softc *);
439 extern void mfi_tbolt_disable_intr_ppc(struct mfi_softc *);
440 extern int32_t mfi_tbolt_read_fw_status_ppc(struct mfi_softc *);
441 extern int32_t mfi_tbolt_check_clear_intr_ppc(struct mfi_softc *);
442 extern void mfi_tbolt_issue_cmd_ppc(struct mfi_softc *, bus_addr_t, uint32_t);
443 extern void mfi_tbolt_init_globals(struct mfi_softc*);
444 extern uint32_t mfi_tbolt_get_memory_requirement(struct mfi_softc *);
445 extern int mfi_tbolt_init_desc_pool(struct mfi_softc *, uint8_t *, uint32_t);
446 extern int mfi_tbolt_init_MFI_queue(struct mfi_softc *);
447 extern void mfi_intr_tbolt(void *arg);
448 extern int mfi_tbolt_alloc_cmd(struct mfi_softc *sc);
449 extern int mfi_tbolt_send_frame(struct mfi_softc *sc, struct mfi_command *cm);
450 extern int mfi_tbolt_adp_reset(struct mfi_softc *sc);
451 extern int mfi_tbolt_reset(struct mfi_softc *sc);
452 extern void mfi_tbolt_sync_map_info(struct mfi_softc *sc);
453 extern void mfi_handle_map_sync(void *context, int pending);
454 extern int mfi_dcmd_command(struct mfi_softc *, struct mfi_command **,
455      uint32_t, void **, size_t);
456 extern int mfi_build_cdb(int, uint8_t, u_int64_t, u_int32_t, uint8_t *);
457 
458 #define MFIQ_ADD(sc, qname)					\
459 	do {							\
460 		struct mfi_qstat *qs;				\
461 								\
462 		qs = &(sc)->mfi_qstat[qname];			\
463 		qs->q_length++;					\
464 		if (qs->q_length > qs->q_max)			\
465 			qs->q_max = qs->q_length;		\
466 	} while (0)
467 
468 #define MFIQ_REMOVE(sc, qname)	(sc)->mfi_qstat[qname].q_length--
469 
470 #define MFIQ_INIT(sc, qname)					\
471 	do {							\
472 		sc->mfi_qstat[qname].q_length = 0;		\
473 		sc->mfi_qstat[qname].q_max = 0;			\
474 	} while (0)
475 
476 #define MFIQ_COMMAND_QUEUE(name, index)					\
477 	static __inline void						\
478 	mfi_initq_ ## name (struct mfi_softc *sc)			\
479 	{								\
480 		TAILQ_INIT(&sc->mfi_ ## name);				\
481 		MFIQ_INIT(sc, index);					\
482 	}								\
483 	static __inline void						\
484 	mfi_enqueue_ ## name (struct mfi_command *cm)			\
485 	{								\
486 		if ((cm->cm_flags & MFI_ON_MFIQ_MASK) != 0) {		\
487 			panic("command %p is on another queue, "	\
488 			    "flags = %#x\n", cm, cm->cm_flags);		\
489 		}							\
490 		TAILQ_INSERT_TAIL(&cm->cm_sc->mfi_ ## name, cm, cm_link); \
491 		cm->cm_flags |= MFI_ON_ ## index;			\
492 		MFIQ_ADD(cm->cm_sc, index);				\
493 	}								\
494 	static __inline void						\
495 	mfi_requeue_ ## name (struct mfi_command *cm)			\
496 	{								\
497 		if ((cm->cm_flags & MFI_ON_MFIQ_MASK) != 0) {		\
498 			panic("command %p is on another queue, "	\
499 			    "flags = %#x\n", cm, cm->cm_flags);		\
500 		}							\
501 		TAILQ_INSERT_HEAD(&cm->cm_sc->mfi_ ## name, cm, cm_link); \
502 		cm->cm_flags |= MFI_ON_ ## index;			\
503 		MFIQ_ADD(cm->cm_sc, index);				\
504 	}								\
505 	static __inline struct mfi_command *				\
506 	mfi_dequeue_ ## name (struct mfi_softc *sc)			\
507 	{								\
508 		struct mfi_command *cm;					\
509 									\
510 		if ((cm = TAILQ_FIRST(&sc->mfi_ ## name)) != NULL) {	\
511 			if ((cm->cm_flags & MFI_ON_ ## index) == 0) {	\
512 				panic("command %p not in queue, "	\
513 				    "flags = %#x, bit = %#x\n", cm,	\
514 				    cm->cm_flags, MFI_ON_ ## index);	\
515 			}						\
516 			TAILQ_REMOVE(&sc->mfi_ ## name, cm, cm_link);	\
517 			cm->cm_flags &= ~MFI_ON_ ## index;		\
518 			MFIQ_REMOVE(sc, index);				\
519 		}							\
520 		return (cm);						\
521 	}								\
522 	static __inline void						\
523 	mfi_remove_ ## name (struct mfi_command *cm)			\
524 	{								\
525 		if ((cm->cm_flags & MFI_ON_ ## index) == 0) {		\
526 			panic("command %p not in queue, flags = %#x, " \
527 			    "bit = %#x\n", cm, cm->cm_flags,		\
528 			    MFI_ON_ ## index);				\
529 		}							\
530 		TAILQ_REMOVE(&cm->cm_sc->mfi_ ## name, cm, cm_link);	\
531 		cm->cm_flags &= ~MFI_ON_ ## index;			\
532 		MFIQ_REMOVE(cm->cm_sc, index);				\
533 	}								\
534 struct hack
535 
536 MFIQ_COMMAND_QUEUE(free, MFIQ_FREE);
537 MFIQ_COMMAND_QUEUE(ready, MFIQ_READY);
538 MFIQ_COMMAND_QUEUE(busy, MFIQ_BUSY);
539 
540 static __inline void
541 mfi_initq_bio(struct mfi_softc *sc)
542 {
543 	bioq_init(&sc->mfi_bioq);
544 	MFIQ_INIT(sc, MFIQ_BIO);
545 }
546 
547 static __inline void
548 mfi_enqueue_bio(struct mfi_softc *sc, struct bio *bp)
549 {
550 	bioq_insert_tail(&sc->mfi_bioq, bp);
551 	MFIQ_ADD(sc, MFIQ_BIO);
552 }
553 
554 static __inline struct bio *
555 mfi_dequeue_bio(struct mfi_softc *sc)
556 {
557 	struct bio *bp;
558 
559 	if ((bp = bioq_first(&sc->mfi_bioq)) != NULL) {
560 		bioq_remove(&sc->mfi_bioq, bp);
561 		MFIQ_REMOVE(sc, MFIQ_BIO);
562 	}
563 	return (bp);
564 }
565 
566 /*
567  * This is from the original scsi_extract_sense() in CAM.  It's copied
568  * here because CAM now uses a non-inline version that follows more complex
569  * additions to the SPC spec, and we don't want to force a dependency on
570  * the CAM module for such a trivial action.
571  */
572 static __inline void
573 mfi_extract_sense(struct scsi_sense_data_fixed *sense,
574     int *error_code, int *sense_key, int *asc, int *ascq)
575 {
576 
577 	*error_code = sense->error_code & SSD_ERRCODE;
578 	*sense_key = sense->flags & SSD_KEY;
579 	*asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0;
580 	*ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0;
581 }
582 
583 static __inline void
584 mfi_print_sense(struct mfi_softc *sc, void *sense)
585 {
586 	int error, key, asc, ascq;
587 
588 	mfi_extract_sense((struct scsi_sense_data_fixed *)sense,
589 	    &error, &key, &asc, &ascq);
590 	device_printf(sc->mfi_dev, "sense error %d, sense_key %d, "
591 	    "asc %d, ascq %d\n", error, key, asc, ascq);
592 }
593 
594 
595 #define MFI_WRITE4(sc, reg, val)	bus_space_write_4((sc)->mfi_btag, \
596 	sc->mfi_bhandle, (reg), (val))
597 #define MFI_READ4(sc, reg)		bus_space_read_4((sc)->mfi_btag, \
598 	(sc)->mfi_bhandle, (reg))
599 #define MFI_WRITE2(sc, reg, val)	bus_space_write_2((sc)->mfi_btag, \
600 	sc->mfi_bhandle, (reg), (val))
601 #define MFI_READ2(sc, reg)		bus_space_read_2((sc)->mfi_btag, \
602 	(sc)->mfi_bhandle, (reg))
603 #define MFI_WRITE1(sc, reg, val)	bus_space_write_1((sc)->mfi_btag, \
604 	sc->mfi_bhandle, (reg), (val))
605 #define MFI_READ1(sc, reg)		bus_space_read_1((sc)->mfi_btag, \
606 	(sc)->mfi_bhandle, (reg))
607 
608 MALLOC_DECLARE(M_MFIBUF);
609 SYSCTL_DECL(_hw_mfi);
610 
611 #define MFI_RESET_WAIT_TIME 180
612 #define MFI_CMD_TIMEOUT 30
613 #define MFI_SYS_PD_IO	0
614 #define MFI_LD_IO	1
615 #define MFI_SKINNY_MEMORY 0x02000000
616 #define MFI_MAXPHYS (128 * 1024)
617 
618 #ifdef MFI_DEBUG
619 extern void mfi_print_cmd(struct mfi_command *cm);
620 extern void mfi_dump_cmds(struct mfi_softc *sc);
621 extern void mfi_validate_sg(struct mfi_softc *, struct mfi_command *,
622     const char *, int);
623 #define MFI_PRINT_CMD(cm)	mfi_print_cmd(cm)
624 #define MFI_DUMP_CMDS(sc)	mfi_dump_cmds(sc)
625 #define MFI_VALIDATE_CMD(sc, cm) mfi_validate_sg(sc, cm, __FUNCTION__, __LINE__)
626 #else
627 #define MFI_PRINT_CMD(cm)
628 #define MFI_DUMP_CMDS(sc)
629 #define MFI_VALIDATE_CMD(sc, cm)
630 #endif
631 
632 extern void mfi_release_command(struct mfi_command *);
633 extern void mfi_tbolt_return_cmd(struct mfi_softc *,
634     struct mfi_cmd_tbolt *, struct mfi_command *);
635 
636 #endif /* _MFIVAR_H */
637