1250963Sachim/*-
2250963Sachim * Copyright (c) 2000 Michael Smith
3250963Sachim * Copyright (c) 2001 Scott Long
4250963Sachim * Copyright (c) 2000 BSDi
5250963Sachim * Copyright (c) 2001-2010 Adaptec, Inc.
6250963Sachim * Copyright (c) 2010-2012 PMC-Sierra, Inc.
7250963Sachim * All rights reserved.
8250963Sachim *
9250963Sachim * Redistribution and use in source and binary forms, with or without
10250963Sachim * modification, are permitted provided that the following conditions
11250963Sachim * are met:
12250963Sachim * 1. Redistributions of source code must retain the above copyright
13250963Sachim *    notice, this list of conditions and the following disclaimer.
14250963Sachim * 2. Redistributions in binary form must reproduce the above copyright
15250963Sachim *    notice, this list of conditions and the following disclaimer in the
16250963Sachim *    documentation and/or other materials provided with the distribution.
17250963Sachim *
18250963Sachim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19250963Sachim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20250963Sachim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21250963Sachim * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22250963Sachim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23250963Sachim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24250963Sachim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25250963Sachim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26250963Sachim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27250963Sachim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28250963Sachim * SUCH DAMAGE.
29250963Sachim *
30250963Sachim *	$FreeBSD: stable/11/sys/dev/aacraid/aacraid_var.h 354965 2019-11-21 14:55:27Z emaste $
31250963Sachim */
32250963Sachim
33250963Sachim#include <sys/bio.h>
34250963Sachim#if __FreeBSD_version >= 800000
35250963Sachim#include <sys/callout.h>
36250963Sachim#endif
37250963Sachim#include <sys/lock.h>
38250963Sachim#include <sys/mutex.h>
39250963Sachim#include <sys/taskqueue.h>
40250963Sachim#include <sys/selinfo.h>
41250963Sachim#include <geom/geom_disk.h>
42250963Sachim
43250963Sachim#define	AAC_TYPE_DEVO			1
44250963Sachim#define	AAC_TYPE_ALPHA			2
45250963Sachim#define	AAC_TYPE_BETA			3
46250963Sachim#define	AAC_TYPE_RELEASE		4
47250963Sachim
48250963Sachim#define	AAC_DRIVER_MAJOR_VERSION	3
49257847Sachim#define	AAC_DRIVER_MINOR_VERSION	2
50354965Semaste#define	AAC_DRIVER_BUGFIX_LEVEL		10
51250963Sachim#define	AAC_DRIVER_TYPE			AAC_TYPE_RELEASE
52250963Sachim
53250963Sachim#ifndef AAC_DRIVER_BUILD
54250963Sachim# define AAC_DRIVER_BUILD 1
55250963Sachim#endif
56250963Sachim
57250963Sachim#if __FreeBSD_version <= 601000
58250963Sachim#define bus_get_dma_tag(x)	NULL
59250963Sachim#endif
60250963Sachim
61250963Sachim/* **************************** NewBUS interrupt Crock ************************/
62250963Sachim#if __FreeBSD_version < 700031
63250963Sachim#define	aac_bus_setup_intr(d, i, f, U, if, ifa, hp)	\
64250963Sachim	bus_setup_intr(d, i, f, if, ifa, hp)
65250963Sachim#else
66250963Sachim#define	aac_bus_setup_intr	bus_setup_intr
67250963Sachim#endif
68250963Sachim
69250963Sachim/* **************************** NewBUS CAM Support ****************************/
70250963Sachim#if __FreeBSD_version < 700049
71250963Sachim#define aac_xpt_bus_register(sim, parent, bus)	\
72250963Sachim	xpt_bus_register(sim, bus)
73250963Sachim#else
74250963Sachim#define aac_xpt_bus_register	xpt_bus_register
75250963Sachim#endif
76250963Sachim
77250963Sachim/**************************** Kernel Thread Support ***************************/
78250963Sachim#if __FreeBSD_version > 800001
79250963Sachim#define aac_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
80250963Sachim	kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
81250963Sachim#define	aac_kthread_exit(status)	\
82250963Sachim	kproc_exit(status)
83250963Sachim#else
84250963Sachim#define aac_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
85250963Sachim	kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
86250963Sachim#define	aac_kthread_exit(status)	\
87250963Sachim	kthread_exit(status)
88250963Sachim#endif
89250963Sachim
90250963Sachim/*
91250963Sachim * Driver Parameter Definitions
92250963Sachim */
93250963Sachim
94250963Sachim/*
95250963Sachim * We allocate a small set of FIBs for the adapter to use to send us messages.
96250963Sachim */
97250963Sachim#define AAC_ADAPTER_FIBS	8
98250963Sachim
99250963Sachim/*
100250963Sachim * The controller reports status events in AIFs.  We hang on to a number of
101250963Sachim * these in order to pass them out to user-space management tools.
102250963Sachim */
103250963Sachim#define AAC_AIFQ_LENGTH		64
104250963Sachim
105250963Sachim/*
106250963Sachim * Firmware messages are passed in the printf buffer.
107250963Sachim */
108250963Sachim#define AAC_PRINTF_BUFSIZE	256
109250963Sachim
110250963Sachim/*
111250963Sachim * We wait this many seconds for the adapter to come ready if it is still
112250963Sachim * booting
113250963Sachim */
114250963Sachim#define AAC_BOOT_TIMEOUT	(3 * 60)
115250963Sachim
116250963Sachim/*
117257847Sachim * We wait this many seconds for the adapter to come ready
118257847Sachim * after flash update
119250963Sachim */
120257847Sachim#define AAC_FWUPD_TIMEOUT	(5 * 60)
121250963Sachim
122250963Sachim/*
123257847Sachim * Timeout for sync. commands.
124257847Sachim */
125257847Sachim#define AAC_SYNC_TIMEOUT	180		/* seconds */
126257847Sachim
127257847Sachim/*
128250963Sachim * Timeout for normal commands
129250963Sachim */
130257847Sachim#define AAC_CMD_TIMEOUT		180		/* seconds */
131250963Sachim
132250963Sachim/*
133250963Sachim * Rate at which we periodically check for timed out commands and kick the
134250963Sachim * controller.
135250963Sachim */
136250963Sachim#define AAC_PERIODIC_INTERVAL	20		/* seconds */
137250963Sachim
138250963Sachim#define PASSTHROUGH_BUS		0
139250963Sachim#define CONTAINER_BUS		1
140250963Sachim/*
141250963Sachim * Per-container data structure
142250963Sachim */
143250963Sachimstruct aac_container
144250963Sachim{
145250963Sachim	struct aac_mntobj		co_mntobj;
146250963Sachim	int				co_found;
147250963Sachim	u_int32_t		co_uid;
148250963Sachim	TAILQ_ENTRY(aac_container)	co_link;
149250963Sachim};
150250963Sachim
151250963Sachim/*
152250963Sachim * Per-SIM data structure
153250963Sachim */
154250963Sachimstruct aac_cam;
155250963Sachimstruct aac_sim
156250963Sachim{
157250963Sachim	device_t		sim_dev;
158250963Sachim	int			TargetsPerBus;
159250963Sachim	int			BusNumber;
160250963Sachim	int			BusType;
161250963Sachim	int			InitiatorBusId;
162250963Sachim	struct aac_softc	*aac_sc;
163250963Sachim	struct aac_cam		*aac_cam;
164250963Sachim	TAILQ_ENTRY(aac_sim)	sim_link;
165250963Sachim};
166250963Sachim
167250963Sachim/*
168250963Sachim * Per-disk structure
169250963Sachim */
170250963Sachimstruct aac_disk
171250963Sachim{
172250963Sachim	device_t			ad_dev;
173250963Sachim	struct aac_softc		*ad_controller;
174250963Sachim	struct aac_container		*ad_container;
175250963Sachim	struct disk			*ad_disk;
176250963Sachim	int				ad_flags;
177250963Sachim#define AAC_DISK_OPEN	(1<<0)
178250963Sachim	int				ad_cylinders;
179250963Sachim	int				ad_heads;
180250963Sachim	int				ad_sectors;
181250963Sachim	u_int64_t			ad_size;
182250963Sachim	int				unit;
183250963Sachim};
184250963Sachim
185250963Sachim/*
186250963Sachim * Per-command control structure.
187250963Sachim */
188250963Sachimstruct aac_command
189250963Sachim{
190250963Sachim	TAILQ_ENTRY(aac_command) cm_link;	/* list linkage */
191250963Sachim
192250963Sachim	struct aac_softc	*cm_sc;		/* controller that owns us */
193250963Sachim
194250963Sachim	struct aac_fib		*cm_fib;	/* FIB associated with this
195250963Sachim						 * command */
196250963Sachim	u_int64_t		cm_fibphys;	/* bus address of the FIB */
197250963Sachim	struct bio		*cm_data;	/* pointer to data in kernel
198250963Sachim						 * space */
199250963Sachim	u_int32_t		cm_datalen;	/* data length */
200250963Sachim	bus_dmamap_t		cm_datamap;	/* DMA map for bio data */
201250963Sachim	struct aac_sg_table	*cm_sgtable;	/* pointer to s/g table in
202250963Sachim						 * command */
203250963Sachim	int			cm_flags;
204250963Sachim#define AAC_CMD_MAPPED		(1<<0)		/* command has had its data
205250963Sachim						 * mapped */
206250963Sachim#define AAC_CMD_DATAIN		(1<<1)		/* command involves data moving
207250963Sachim						 * from controller to host */
208250963Sachim#define AAC_CMD_DATAOUT		(1<<2)		/* command involves data moving
209250963Sachim						 * from host to controller */
210250963Sachim#define AAC_CMD_COMPLETED	(1<<3)		/* command has been completed */
211250963Sachim#define AAC_CMD_TIMEDOUT	(1<<4)		/* command taken too long */
212250963Sachim#define AAC_ON_AACQ_FREE	(1<<5)
213250963Sachim#define AAC_ON_AACQ_READY	(1<<6)
214250963Sachim#define AAC_ON_AACQ_BUSY	(1<<7)
215250963Sachim#define AAC_ON_AACQ_AIF		(1<<8)
216250963Sachim#define AAC_ON_AACQ_NORM	(1<<10)
217250963Sachim#define AAC_ON_AACQ_MASK	((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
218250963Sachim#define AAC_CMD_RESET		(1<<9)
219250963Sachim#define AAC_CMD_FASTRESP	(1<<11)
220250963Sachim#define AAC_CMD_WAIT		(1<<12)
221250963Sachim
222250963Sachim	void			(* cm_complete)(struct aac_command *cm);
223250963Sachim	union ccb 		*cm_ccb;
224250963Sachim	time_t			cm_timestamp;	/* command creation time */
225250963Sachim	int			cm_index;
226250963Sachim	bus_dma_tag_t		cm_passthr_dmat;	/* passthrough buffer/command
227250963Sachim							 * DMA tag */
228250963Sachim};
229250963Sachim
230250963Sachimstruct aac_fibmap {
231250963Sachim	TAILQ_ENTRY(aac_fibmap) fm_link;	/* list linkage */
232250963Sachim	struct aac_fib		*aac_fibs;
233250963Sachim	bus_dmamap_t		aac_fibmap;
234250963Sachim	struct aac_command	*aac_commands;
235250963Sachim};
236250963Sachim
237250963Sachim/*
238250963Sachim * We gather a number of adapter-visible items into a single structure.
239250963Sachim *
240250963Sachim * The ordering of this strucure may be important; we copy the Linux driver:
241250963Sachim *
242250963Sachim * Adapter FIBs
243250963Sachim * Init struct
244250963Sachim * Queue headers (Comm Area)
245250963Sachim * Printf buffer
246250963Sachim *
247250963Sachim * In addition, we add:
248250963Sachim * Sync Fib
249250963Sachim */
250250963Sachimstruct aac_common {
251250963Sachim	/* fibs for the controller to send us messages */
252250963Sachim	struct aac_fib		ac_fibs[AAC_ADAPTER_FIBS];
253250963Sachim
254250963Sachim	/* the init structure */
255250963Sachim	struct aac_adapter_init	ac_init;
256250963Sachim
257250963Sachim	/* buffer for text messages from the controller */
258250963Sachim	char		       	ac_printf[AAC_PRINTF_BUFSIZE];
259250963Sachim
260250963Sachim	/* fib for synchronous commands */
261250963Sachim	struct aac_fib		ac_sync_fib;
262250963Sachim
263250963Sachim	/* response buffer for SRC (new comm. type1) - must be last element */
264250963Sachim	u_int32_t   ac_host_rrq[0];
265250963Sachim};
266250963Sachim
267250963Sachim/*
268250963Sachim * Interface operations
269250963Sachim */
270250963Sachimstruct aac_interface
271250963Sachim{
272250963Sachim	int	(*aif_get_fwstatus)(struct aac_softc *sc);
273250963Sachim	void	(*aif_qnotify)(struct aac_softc *sc, int qbit);
274250963Sachim	int	(*aif_get_istatus)(struct aac_softc *sc);
275250963Sachim	void	(*aif_clr_istatus)(struct aac_softc *sc, int mask);
276250963Sachim	void	(*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
277250963Sachim				   u_int32_t arg0, u_int32_t arg1,
278250963Sachim				   u_int32_t arg2, u_int32_t arg3);
279250963Sachim	int	(*aif_get_mailbox)(struct aac_softc *sc, int mb);
280257847Sachim	void	(*aif_access_devreg)(struct aac_softc *sc, int enable);
281250963Sachim	int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
282250963Sachim	int (*aif_get_outb_queue)(struct aac_softc *sc);
283250963Sachim	void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
284250963Sachim};
285250963Sachimextern struct aac_interface	aacraid_src_interface;
286250963Sachimextern struct aac_interface	aacraid_srcv_interface;
287250963Sachim
288250963Sachim#define AAC_GET_FWSTATUS(sc)		((sc)->aac_if.aif_get_fwstatus((sc)))
289250963Sachim#define AAC_QNOTIFY(sc, qbit)		((sc)->aac_if.aif_qnotify((sc), (qbit)))
290250963Sachim#define AAC_GET_ISTATUS(sc)		((sc)->aac_if.aif_get_istatus((sc)))
291250963Sachim#define AAC_CLEAR_ISTATUS(sc, mask)	((sc)->aac_if.aif_clr_istatus((sc), \
292250963Sachim					(mask)))
293250963Sachim#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
294250963Sachim	((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
295250963Sachim	(arg3)))
296250963Sachim#define AAC_GET_MAILBOX(sc, mb)		((sc)->aac_if.aif_get_mailbox((sc), \
297250963Sachim					(mb)))
298257847Sachim#define	AAC_ACCESS_DEVREG(sc, mode)	((sc)->aac_if.aif_access_devreg((sc), \
299257847Sachim					mode))
300250963Sachim#define AAC_SEND_COMMAND(sc, cm)	((sc)->aac_if.aif_send_command((sc), (cm)))
301250963Sachim#define AAC_GET_OUTB_QUEUE(sc)		((sc)->aac_if.aif_get_outb_queue((sc)))
302250963Sachim#define AAC_SET_OUTB_QUEUE(sc, idx)	((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
303250963Sachim
304250963Sachim#define AAC_MEM0_SETREG4(sc, reg, val)	bus_space_write_4(sc->aac_btag0, \
305250963Sachim					sc->aac_bhandle0, reg, val)
306250963Sachim#define AAC_MEM0_GETREG4(sc, reg)	bus_space_read_4(sc->aac_btag0, \
307250963Sachim					sc->aac_bhandle0, reg)
308250963Sachim#define AAC_MEM0_SETREG2(sc, reg, val)	bus_space_write_2(sc->aac_btag0, \
309250963Sachim					sc->aac_bhandle0, reg, val)
310250963Sachim#define AAC_MEM0_GETREG2(sc, reg)	bus_space_read_2(sc->aac_btag0, \
311250963Sachim					sc->aac_bhandle0, reg)
312250963Sachim#define AAC_MEM0_SETREG1(sc, reg, val)	bus_space_write_1(sc->aac_btag0, \
313250963Sachim					sc->aac_bhandle0, reg, val)
314250963Sachim#define AAC_MEM0_GETREG1(sc, reg)	bus_space_read_1(sc->aac_btag0, \
315250963Sachim					sc->aac_bhandle0, reg)
316250963Sachim
317250963Sachim#define AAC_MEM1_SETREG4(sc, reg, val)	bus_space_write_4(sc->aac_btag1, \
318250963Sachim					sc->aac_bhandle1, reg, val)
319250963Sachim#define AAC_MEM1_GETREG4(sc, reg)	bus_space_read_4(sc->aac_btag1, \
320250963Sachim					sc->aac_bhandle1, reg)
321250963Sachim#define AAC_MEM1_SETREG2(sc, reg, val)	bus_space_write_2(sc->aac_btag1, \
322250963Sachim					sc->aac_bhandle1, reg, val)
323250963Sachim#define AAC_MEM1_GETREG2(sc, reg)	bus_space_read_2(sc->aac_btag1, \
324250963Sachim					sc->aac_bhandle1, reg)
325250963Sachim#define AAC_MEM1_SETREG1(sc, reg, val)	bus_space_write_1(sc->aac_btag1, \
326250963Sachim					sc->aac_bhandle1, reg, val)
327250963Sachim#define AAC_MEM1_GETREG1(sc, reg)	bus_space_read_1(sc->aac_btag1, \
328250963Sachim					sc->aac_bhandle1, reg)
329250963Sachim
330250963Sachim/* fib context (IOCTL) */
331250963Sachimstruct aac_fib_context {
332250963Sachim	u_int32_t		unique;
333250963Sachim	int			ctx_idx;
334250963Sachim	int			ctx_wrap;
335250963Sachim	struct aac_fib_context *next, *prev;
336250963Sachim};
337250963Sachim
338257847Sachim/* MSIX context */
339257847Sachimstruct aac_msix_ctx {
340257847Sachim	int			vector_no;
341257847Sachim	struct aac_softc  	*sc;
342257847Sachim};
343257847Sachim
344250963Sachim/*
345250963Sachim * Per-controller structure.
346250963Sachim */
347250963Sachimstruct aac_softc
348250963Sachim{
349250963Sachim	/* bus connections */
350250963Sachim	device_t		aac_dev;
351250963Sachim	struct resource		*aac_regs_res0, *aac_regs_res1; /* reg. if. window */
352250963Sachim	int			aac_regs_rid0, aac_regs_rid1;		/* resource ID */
353250963Sachim	bus_space_handle_t	aac_bhandle0, aac_bhandle1;		/* bus space handle */
354250963Sachim	bus_space_tag_t		aac_btag0, aac_btag1;		/* bus space tag */
355250963Sachim	bus_dma_tag_t		aac_parent_dmat;	/* parent DMA tag */
356250963Sachim	bus_dma_tag_t		aac_buffer_dmat;	/* data buffer/command
357250963Sachim							 * DMA tag */
358257847Sachim	struct resource		*aac_irq[AAC_MAX_MSIX];	 /* interrupt */
359257847Sachim	int			aac_irq_rid[AAC_MAX_MSIX];
360257847Sachim	void			*aac_intr[AAC_MAX_MSIX]; /* interrupt handle */
361257847Sachim	struct aac_msix_ctx	aac_msix[AAC_MAX_MSIX]; /* context */
362250963Sachim	eventhandler_tag	eh;
363250963Sachim#if __FreeBSD_version >= 800000
364250963Sachim	struct callout	aac_daemontime;		/* clock daemon callout */
365250963Sachim#else
366250963Sachim	struct callout_handle	timeout_id;	/* timeout handle */
367250963Sachim#endif
368250963Sachim
369250963Sachim	/* controller features, limits and status */
370250963Sachim	int			aac_state;
371250963Sachim#define AAC_STATE_SUSPEND	(1<<0)
372250963Sachim#define	AAC_STATE_UNUSED0	(1<<1)
373250963Sachim#define AAC_STATE_INTERRUPTS_ON	(1<<2)
374250963Sachim#define AAC_STATE_AIF_SLEEPER	(1<<3)
375250963Sachim#define AAC_STATE_RESET		(1<<4)
376250963Sachim	struct FsaRevision		aac_revision;
377250963Sachim
378250963Sachim	/* controller hardware interface */
379250963Sachim	int			aac_hwif;
380250963Sachim#define AAC_HWIF_SRC		5
381250963Sachim#define AAC_HWIF_SRCV		6
382250963Sachim#define AAC_HWIF_UNKNOWN	-1
383250963Sachim	bus_dma_tag_t		aac_common_dmat;	/* common structure
384250963Sachim							 * DMA tag */
385250963Sachim	bus_dmamap_t		aac_common_dmamap;	/* common structure
386250963Sachim							 * DMA map */
387250963Sachim	struct aac_common	*aac_common;
388250963Sachim	u_int32_t		aac_common_busaddr;
389257847Sachim	u_int32_t		aac_host_rrq_idx[AAC_MAX_MSIX];
390257847Sachim	u_int32_t		aac_rrq_outstanding[AAC_MAX_MSIX];
391257847Sachim	u_int32_t		aac_fibs_pushed_no;
392250963Sachim	struct aac_interface	aac_if;
393250963Sachim
394250963Sachim	/* command/fib resources */
395250963Sachim	bus_dma_tag_t		aac_fib_dmat;	/* DMA tag for allocing FIBs */
396250963Sachim	TAILQ_HEAD(,aac_fibmap)	aac_fibmap_tqh;
397250963Sachim	u_int			total_fibs;
398250963Sachim	struct aac_command	*aac_commands;
399250963Sachim
400250963Sachim	/* command management */
401250963Sachim	TAILQ_HEAD(,aac_command) aac_free;	/* command structures
402250963Sachim						 * available for reuse */
403250963Sachim	TAILQ_HEAD(,aac_command) aac_ready;	/* commands on hold for
404250963Sachim						 * controller resources */
405250963Sachim	TAILQ_HEAD(,aac_command) aac_busy;
406250963Sachim	TAILQ_HEAD(,aac_event)	aac_ev_cmfree;
407250963Sachim	struct bio_queue_head	aac_bioq;
408250963Sachim
409250963Sachim	struct aac_qstat	aac_qstat[AACQ_COUNT];	/* queue statistics */
410250963Sachim
411250963Sachim	/* connected containters */
412250963Sachim	TAILQ_HEAD(,aac_container)	aac_container_tqh;
413250963Sachim	struct mtx		aac_container_lock;
414250963Sachim
415250963Sachim	/*
416250963Sachim	 * The general I/O lock.  This protects the sync fib, the lists, the
417250963Sachim	 * queues, and the registers.
418250963Sachim	 */
419250963Sachim	struct mtx		aac_io_lock;
420250963Sachim
421250963Sachim	struct intr_config_hook	aac_ich;
422250963Sachim
423250963Sachim	/* sync. transfer mode */
424250963Sachim	struct aac_command *aac_sync_cm;
425250963Sachim
426250963Sachim	/* management interface */
427250963Sachim	struct cdev *aac_dev_t;
428250963Sachim	struct mtx		aac_aifq_lock;
429250963Sachim	struct aac_fib		aac_aifq[AAC_AIFQ_LENGTH];
430250963Sachim	int			aifq_idx;
431250963Sachim	int			aifq_filled;
432250963Sachim	int 			aif_pending;
433250963Sachim	struct aac_fib_context *fibctx;
434250963Sachim	struct selinfo		rcv_select;
435250963Sachim	struct proc		*aifthread;
436250963Sachim	int			aifflags;
437250963Sachim#define AAC_AIFFLAGS_RUNNING	(1 << 0)
438250963Sachim#define AAC_AIFFLAGS_AIF	(1 << 1)
439250963Sachim#define	AAC_AIFFLAGS_EXIT	(1 << 2)
440250963Sachim#define AAC_AIFFLAGS_EXITED	(1 << 3)
441250963Sachim#define AAC_AIFFLAGS_PRINTF	(1 << 4)
442250963Sachim#define	AAC_AIFFLAGS_ALLOCFIBS	(1 << 5)
443250963Sachim#define AAC_AIFFLAGS_PENDING	(AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
444250963Sachim				 AAC_AIFFLAGS_ALLOCFIBS)
445250963Sachim	u_int32_t		flags;
446250963Sachim#define AAC_FLAGS_PERC2QC	(1 << 0)
447250963Sachim#define	AAC_FLAGS_ENABLE_CAM	(1 << 1)	/* No SCSI passthrough */
448250963Sachim#define	AAC_FLAGS_CAM_NORESET	(1 << 2)	/* Fake SCSI resets */
449250963Sachim#define	AAC_FLAGS_CAM_PASSONLY	(1 << 3)	/* Only create pass devices */
450250963Sachim#define	AAC_FLAGS_SG_64BIT	(1 << 4)	/* Use 64-bit S/G addresses */
451250963Sachim#define	AAC_FLAGS_4GB_WINDOW	(1 << 5)	/* Device can access host mem
452250963Sachim						 * 2GB-4GB range */
453250963Sachim#define	AAC_FLAGS_NO4GB		(1 << 6)	/* Can't access host mem >2GB */
454250963Sachim#define	AAC_FLAGS_256FIBS	(1 << 7)	/* Can only do 256 commands */
455250963Sachim#define	AAC_FLAGS_BROKEN_MEMMAP (1 << 8)	/* Broken HostPhysMemPages */
456250963Sachim#define AAC_FLAGS_SLAVE	(1 << 9)
457250963Sachim#define AAC_FLAGS_MASTER	(1 << 10)
458250963Sachim#define AAC_FLAGS_NEW_COMM	(1 << 11)	/* New comm. interface supported */
459250963Sachim#define AAC_FLAGS_RAW_IO	(1 << 12)	/* Raw I/O interface */
460250963Sachim#define AAC_FLAGS_ARRAY_64BIT	(1 << 13)	/* 64-bit array size */
461250963Sachim#define AAC_FLAGS_LBA_64BIT	(1 << 14)	/* 64-bit LBA support */
462250963Sachim#define AAC_QUEUE_FRZN		(1 << 15)	/* Freeze the processing of
463250963Sachim						 * commands on the queue. */
464250963Sachim#define AAC_FLAGS_NEW_COMM_TYPE1 (1 << 16)	/* New comm. type1 supported */
465250963Sachim#define AAC_FLAGS_NEW_COMM_TYPE2 (1 << 17)	/* New comm. type2 supported */
466250963Sachim#define AAC_FLAGS_NEW_COMM_TYPE34 (1 << 18)	/* New comm. type3/4 */
467250963Sachim#define AAC_FLAGS_SYNC_MODE (1 << 18)	/* Sync. transfer mode */
468250963Sachim	u_int32_t		hint_flags;		/* driver parameters */
469250963Sachim	int	sim_freezed;				/* flag for sim_freeze/release */
470250963Sachim	u_int32_t		supported_options;
471250963Sachim	u_int32_t		scsi_method_id;
472250963Sachim	TAILQ_HEAD(,aac_sim)	aac_sim_tqh;
473250963Sachim
474250963Sachim	u_int32_t	aac_max_fibs;           /* max. FIB count */
475250963Sachim	u_int32_t	aac_max_fibs_alloc;		/* max. alloc. per alloc_commands() */
476250963Sachim	u_int32_t	aac_max_fib_size;		/* max. FIB size */
477250963Sachim	u_int32_t	aac_sg_tablesize;		/* max. sg count from host */
478250963Sachim	u_int32_t	aac_max_sectors;		/* max. I/O size from host (blocks) */
479250963Sachim	u_int32_t	aac_feature_bits;		/* feature bits from suppl. info */
480250963Sachim	u_int32_t	aac_support_opt2;		/* supp. options from suppl. info */
481250963Sachim	u_int32_t	aac_max_aif;			/* max. AIF count */
482354965Semaste	u_int32_t	doorbell_mask;			/* for IOP reset */
483257847Sachim	u_int32_t	aac_max_msix;			/* max. MSI-X vectors */
484257847Sachim	u_int32_t	aac_vector_cap;			/* MSI-X vector capab.*/
485257847Sachim	int		msi_enabled;			/* MSI/MSI-X enabled */
486354965Semaste	int		msi_tupelo;		/* Series 6 support for */
487354965Semaste						/* single MSI interrupt */
488250963Sachim#define AAC_CAM_TARGET_WILDCARD ~0
489250963Sachim	void			(*cam_rescan_cb)(struct aac_softc *, uint32_t,
490250963Sachim				    uint32_t);
491250963Sachim	u_int32_t	DebugFlags;		/* Debug print flags bitmap */
492250963Sachim	u_int32_t	DebugOffset;		/* Offset from DPMEM start */
493250963Sachim	u_int32_t	DebugHeaderSize;	/* Size of debug header */
494250963Sachim	u_int32_t	FwDebugFlags;		/* FW Debug Flags */
495250963Sachim	u_int32_t	FwDebugBufferSize;	/* FW Debug Buffer size */
496250963Sachim};
497250963Sachim
498250963Sachim/*
499250963Sachim * Event callback mechanism for the driver
500250963Sachim */
501250963Sachim#define AAC_EVENT_NONE		0x00
502250963Sachim#define AAC_EVENT_CMFREE	0x01
503250963Sachim#define	AAC_EVENT_MASK		0xff
504250963Sachim#define AAC_EVENT_REPEAT	0x100
505250963Sachim
506250963Sachimtypedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
507250963Sachim    void *arg);
508250963Sachimstruct aac_event {
509250963Sachim	TAILQ_ENTRY(aac_event)	ev_links;
510250963Sachim	int			ev_type;
511250963Sachim	aac_event_cb_t		*ev_callback;
512250963Sachim	void			*ev_arg;
513250963Sachim};
514250963Sachim
515250963Sachim/*
516250963Sachim * Public functions
517250963Sachim */
518250963Sachimextern void		aacraid_free(struct aac_softc *sc);
519250963Sachimextern int		aacraid_attach(struct aac_softc *sc);
520250963Sachimextern int		aacraid_detach(device_t dev);
521250963Sachimextern int		aacraid_shutdown(device_t dev);
522250963Sachimextern int		aacraid_suspend(device_t dev);
523250963Sachimextern int		aacraid_resume(device_t dev);
524250963Sachimextern void		aacraid_new_intr_type1(void *arg);
525250963Sachimextern void		aacraid_submit_bio(struct bio *bp);
526250963Sachimextern void		aacraid_biodone(struct bio *bp);
527250963Sachimextern void		aacraid_startio(struct aac_softc *sc);
528250963Sachimextern int		aacraid_alloc_command(struct aac_softc *sc,
529250963Sachim					  struct aac_command **cmp);
530250963Sachimextern void		aacraid_release_command(struct aac_command *cm);
531250963Sachimextern void		aacraid_add_event(struct aac_softc *sc, struct aac_event
532250963Sachim				      *event);
533250963Sachimextern void		aacraid_map_command_sg(void *arg, bus_dma_segment_t *segs,
534250963Sachim				int nseg, int error);
535250963Sachimextern int		aacraid_wait_command(struct aac_command *cmp);
536250963Sachim
537250963Sachim#ifdef AACRAID_DEBUG
538250963Sachim# define fwprintf(sc, flags, fmt, args...)				\
539250963Sachim	aacraid_fw_printf(sc, flags, "%s: " fmt, __func__, ##args);
540250963Sachim
541250963Sachimextern void	aacraid_print_queues(struct aac_softc *sc);
542250963Sachimextern void	aacraid_print_fib(struct aac_softc *sc, struct aac_fib *fib,
543250963Sachim			      const char *caller);
544250963Sachimextern void	aacraid_print_aif(struct aac_softc *sc,
545250963Sachim			      struct aac_aif_command *aif);
546250963Sachim
547250963Sachim#define AAC_PRINT_FIB(sc, fib)	aacraid_print_fib(sc, fib, __func__)
548250963Sachim
549250963Sachim#else
550250963Sachim# define fwprintf(sc, flags, fmt, args...)
551250963Sachim
552250963Sachim# define aacraid_print_queues(sc)
553250963Sachim
554250963Sachim# define AAC_PRINT_FIB(sc, fib)
555250963Sachim# define aacraid_print_aif(sc, aac_aif_command)
556250963Sachim#endif
557250963Sachim
558250963Sachimstruct aac_code_lookup {
559250963Sachim	char	*string;
560250963Sachim	u_int32_t	code;
561250963Sachim};
562250963Sachim
563250963Sachim/*
564250963Sachim * Queue primitives for driver queues.
565250963Sachim */
566250963Sachim#define AACQ_ADD(sc, qname)					\
567250963Sachim	do {							\
568250963Sachim		struct aac_qstat *qs;				\
569250963Sachim								\
570250963Sachim		qs = &(sc)->aac_qstat[qname];			\
571250963Sachim								\
572250963Sachim		qs->q_length++;					\
573250963Sachim		if (qs->q_length > qs->q_max)			\
574250963Sachim			qs->q_max = qs->q_length;		\
575250963Sachim	} while (0)
576250963Sachim
577250963Sachim#define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
578250963Sachim#define AACQ_INIT(sc, qname)				\
579250963Sachim	do {						\
580250963Sachim		sc->aac_qstat[qname].q_length = 0;	\
581250963Sachim		sc->aac_qstat[qname].q_max = 0;		\
582250963Sachim	} while (0)
583250963Sachim
584250963Sachim
585250963Sachim#define AACQ_COMMAND_QUEUE(name, index)					\
586250963Sachimstatic __inline void							\
587250963Sachimaac_initq_ ## name (struct aac_softc *sc)				\
588250963Sachim{									\
589250963Sachim	TAILQ_INIT(&sc->aac_ ## name);					\
590250963Sachim	AACQ_INIT(sc, index);						\
591250963Sachim}									\
592250963Sachimstatic __inline void							\
593250963Sachimaac_enqueue_ ## name (struct aac_command *cm)				\
594250963Sachim{									\
595250963Sachim	if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {			\
596250963Sachim		printf("command %p is on another queue, flags = %#x\n",	\
597250963Sachim		       cm, cm->cm_flags);				\
598250963Sachim		panic("command is on another queue");			\
599250963Sachim	}								\
600250963Sachim	TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);	\
601250963Sachim	cm->cm_flags |= AAC_ON_ ## index;				\
602250963Sachim	AACQ_ADD(cm->cm_sc, index);					\
603250963Sachim}									\
604250963Sachimstatic __inline void							\
605250963Sachimaac_requeue_ ## name (struct aac_command *cm)				\
606250963Sachim{									\
607250963Sachim	if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {			\
608250963Sachim		printf("command %p is on another queue, flags = %#x\n",	\
609250963Sachim		       cm, cm->cm_flags);				\
610250963Sachim		panic("command is on another queue");			\
611250963Sachim	}								\
612250963Sachim	TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);	\
613250963Sachim	cm->cm_flags |= AAC_ON_ ## index;				\
614250963Sachim	AACQ_ADD(cm->cm_sc, index);					\
615250963Sachim}									\
616250963Sachimstatic __inline struct aac_command *					\
617250963Sachimaac_dequeue_ ## name (struct aac_softc *sc)				\
618250963Sachim{									\
619250963Sachim	struct aac_command *cm;						\
620250963Sachim									\
621250963Sachim	if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {		\
622250963Sachim		if ((cm->cm_flags & AAC_ON_ ## index) == 0) {		\
623250963Sachim			printf("command %p not in queue, flags = %#x, "	\
624250963Sachim		       	       "bit = %#x\n", cm, cm->cm_flags,		\
625250963Sachim			       AAC_ON_ ## index);			\
626250963Sachim			panic("command not in queue");			\
627250963Sachim		}							\
628250963Sachim		TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);		\
629250963Sachim		cm->cm_flags &= ~AAC_ON_ ## index;			\
630250963Sachim		AACQ_REMOVE(sc, index);					\
631250963Sachim	}								\
632250963Sachim	return(cm);							\
633250963Sachim}									\
634250963Sachimstatic __inline void							\
635250963Sachimaac_remove_ ## name (struct aac_command *cm)				\
636250963Sachim{									\
637250963Sachim	if ((cm->cm_flags & AAC_ON_ ## index) == 0) {			\
638250963Sachim		printf("command %p not in queue, flags = %#x, "		\
639250963Sachim		       "bit = %#x\n", cm, cm->cm_flags, 		\
640250963Sachim		       AAC_ON_ ## index);				\
641250963Sachim		panic("command not in queue");				\
642250963Sachim	}								\
643250963Sachim	TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);		\
644250963Sachim	cm->cm_flags &= ~AAC_ON_ ## index;				\
645250963Sachim	AACQ_REMOVE(cm->cm_sc, index);					\
646250963Sachim}									\
647250963Sachimstruct hack
648250963Sachim
649250963SachimAACQ_COMMAND_QUEUE(free, AACQ_FREE);
650250963SachimAACQ_COMMAND_QUEUE(ready, AACQ_READY);
651250963SachimAACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
652250963Sachim
653250963Sachimstatic __inline void
654250963Sachimaac_print_printf(struct aac_softc *sc)
655250963Sachim{
656250963Sachim	/*
657250963Sachim	 * XXX We have the ability to read the length of the printf string
658250963Sachim	 * from out of the mailboxes.
659250963Sachim	 */
660250963Sachim	device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
661250963Sachim		      sc->aac_common->ac_printf);
662250963Sachim	sc->aac_common->ac_printf[0] = 0;
663250963Sachim	AAC_QNOTIFY(sc, AAC_DB_PRINTF);
664250963Sachim}
665250963Sachim
666250963Sachimstatic __inline int
667250963Sachimaac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
668250963Sachim{
669250963Sachim
670250963Sachim	mtx_assert(&sc->aac_io_lock, MA_OWNED);
671250963Sachim	*fib = &sc->aac_common->ac_sync_fib;
672250963Sachim	return (0);
673250963Sachim}
674250963Sachim
675250963Sachimstatic __inline void
676250963Sachimaac_release_sync_fib(struct aac_softc *sc)
677250963Sachim{
678250963Sachim
679250963Sachim	mtx_assert(&sc->aac_io_lock, MA_OWNED);
680250963Sachim}
681