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kernel - disklabel64 - Increase partition start alignment to 1 megabyte.
[dragonfly.git] / sys / dev / disk / mpt / mpt.h
blob3a22e7e3686254d7930ae0c5d851507280c61a14
1 /* $FreeBSD: src/sys/dev/mpt/mpt.h,v 1.48 2009/07/10 08:18:08 scottl Exp $ */
2 /*-
3 * Generic defines for LSI '909 FC adapters.
4 * FreeBSD Version.
5 *
6 * Copyright (c) 2000, 2001 by Greg Ansley
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice immediately at the beginning of the file, without modification,
13 * this list of conditions, and the following disclaimer.
14 * 2. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29 /*-
30 * Copyright (c) 2002, 2006 by Matthew Jacob
31 * All rights reserved.
32 *
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions are
35 * met:
36 * 1. Redistributions of source code must retain the above copyright
37 * notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
39 * substantially similar to the "NO WARRANTY" disclaimer below
40 * ("Disclaimer") and any redistribution must be conditioned upon including
41 * a substantially similar Disclaimer requirement for further binary
42 * redistribution.
43 * 3. Neither the names of the above listed copyright holders nor the names
44 * of any contributors may be used to endorse or promote products derived
45 * from this software without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
48 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
51 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
52 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
53 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
54 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
55 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
57 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
58 *
59 * Support from Chris Ellsworth in order to make SAS adapters work
60 * is gratefully acknowledged.
61 *
62 *
63 * Support from LSI-Logic has also gone a great deal toward making this a
64 * workable subsystem and is gratefully acknowledged.
65 */
66 /*
67 * Copyright (c) 2004, Avid Technology, Inc. and its contributors.
68 * Copyright (c) 2004, 2005 Justin T. Gibbs
69 * Copyright (c) 2005, WHEEL Sp. z o.o.
70 * All rights reserved.
71 *
72 * Redistribution and use in source and binary forms, with or without
73 * modification, are permitted provided that the following conditions are
74 * met:
75 * 1. Redistributions of source code must retain the above copyright
76 * notice, this list of conditions and the following disclaimer.
77 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
78 * substantially similar to the "NO WARRANTY" disclaimer below
79 * ("Disclaimer") and any redistribution must be conditioned upon including
80 * a substantially similar Disclaimer requirement for further binary
81 * redistribution.
82 * 3. Neither the names of the above listed copyright holders nor the names
83 * of any contributors may be used to endorse or promote products derived
84 * from this software without specific prior written permission.
85 *
86 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
87 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
88 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
89 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
90 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
91 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
92 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
93 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
94 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
95 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
96 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
97 */
98
99 #ifndef _MPT_H_
100 #define _MPT_H_
101
102 /********************************* OS Includes ********************************/
103 #include <sys/types.h>
104 #include <sys/param.h>
105 #include <sys/systm.h>
106 #include <sys/endian.h>
107 #include <sys/eventhandler.h>
108 #if __FreeBSD_version < 500000
109 #include <sys/kernel.h>
110 #include <sys/queue.h>
111 #include <sys/malloc.h>
112 #include <sys/devicestat.h>
113 #include <sys/thread2.h>
114 #else
115 #include <sys/lock.h>
116 #include <sys/kernel.h>
117 #include <sys/queue.h>
118 #include <sys/malloc.h>
119 #include <sys/mutex.h>
120 #include <sys/condvar.h>
121 #endif
122 #include <sys/proc.h>
123 #include <sys/bus.h>
124 #include <sys/module.h>
125
126 #include <sys/rman.h>
127
128 #if __FreeBSD_version < 500000
129 #include <bus/pci/pcireg.h>
130 #include <bus/pci/pcivar.h>
131 #else
132 #include <dev/pci/pcireg.h>
133 #include <dev/pci/pcivar.h>
134 #endif
135
136 #include "opt_ddb.h"
137
138 /**************************** Register Definitions ****************************/
139 #include <dev/disk/mpt/mpt_reg.h>
140
141 /******************************* MPI Definitions ******************************/
142 #include <dev/disk/mpt/mpilib/mpi_type.h>
143 #include <dev/disk/mpt/mpilib/mpi.h>
144 #include <dev/disk/mpt/mpilib/mpi_cnfg.h>
145 #include <dev/disk/mpt/mpilib/mpi_ioc.h>
146 #include <dev/disk/mpt/mpilib/mpi_raid.h>
147
148 /* XXX For mpt_debug.c */
149 #include <dev/disk/mpt/mpilib/mpi_init.h>
150
151 #define MPT_S64_2_SCALAR(y) ((((int64_t)y.High) << 32) | (y.Low))
152 #define MPT_U64_2_SCALAR(y) ((((uint64_t)y.High) << 32) | (y.Low))
153
154 /****************************** Misc Definitions ******************************/
155 /* #define MPT_TEST_MULTIPATH 1 */
156 #define MPT_OK (0)
157 #define MPT_FAIL (0x10000)
158
159 #define NUM_ELEMENTS(array) (sizeof(array) / sizeof(*array))
160
161 #define MPT_ROLE_NONE 0
162 #define MPT_ROLE_INITIATOR 1
163 #define MPT_ROLE_TARGET 2
164 #define MPT_ROLE_BOTH 3
165 #define MPT_ROLE_DEFAULT MPT_ROLE_INITIATOR
166
167 /**************************** Forward Declarations ****************************/
168 struct mpt_softc;
169 struct mpt_personality;
170 typedef struct req_entry request_t;
171
172 /************************* Personality Module Support *************************/
173 typedef int mpt_load_handler_t(struct mpt_personality *);
174 typedef int mpt_probe_handler_t(struct mpt_softc *);
175 typedef int mpt_attach_handler_t(struct mpt_softc *);
176 typedef int mpt_enable_handler_t(struct mpt_softc *);
177 typedef void mpt_ready_handler_t(struct mpt_softc *);
178 typedef int mpt_event_handler_t(struct mpt_softc *, request_t *,
179 MSG_EVENT_NOTIFY_REPLY *);
180 typedef void mpt_reset_handler_t(struct mpt_softc *, int /*type*/);
181 /* XXX Add return value and use for veto? */
182 typedef void mpt_shutdown_handler_t(struct mpt_softc *);
183 typedef void mpt_detach_handler_t(struct mpt_softc *);
184 typedef int mpt_unload_handler_t(struct mpt_personality *);
185
186 struct mpt_personality
187 {
188 const char *name;
189 uint32_t id; /* Assigned identifier. */
190 u_int use_count; /* Instances using personality*/
191 mpt_load_handler_t *load; /* configure personailty */
192 #define MPT_PERS_FIRST_HANDLER(pers) (&(pers)->load)
193 mpt_probe_handler_t *probe; /* configure personailty */
194 mpt_attach_handler_t *attach; /* initialize device instance */
195 mpt_enable_handler_t *enable; /* enable device */
196 mpt_ready_handler_t *ready; /* final open for business */
197 mpt_event_handler_t *event; /* Handle MPI event. */
198 mpt_reset_handler_t *reset; /* Re-init after reset. */
199 mpt_shutdown_handler_t *shutdown; /* Shutdown instance. */
200 mpt_detach_handler_t *detach; /* release device instance */
201 mpt_unload_handler_t *unload; /* Shutdown personality */
202 #define MPT_PERS_LAST_HANDLER(pers) (&(pers)->unload)
203 };
204
205 int mpt_modevent(module_t, int, void *);
206
207 /* Maximum supported number of personalities. */
208 #define MPT_MAX_PERSONALITIES (15)
209
210 #define MPT_PERSONALITY_DEPEND(name, dep, vmin, vpref, vmax) \
211 MODULE_DEPEND(name, dep, vmin, vpref, vmax)
212
213 #define DECLARE_MPT_PERSONALITY(name, order) \
214 static moduledata_t name##_mod = { \
215 #name, mpt_modevent, &name##_personality \
216 }; \
217 DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, order); \
218 MODULE_VERSION(name, 1); \
219 MPT_PERSONALITY_DEPEND(name, mpt_core, 1, 1, 1)
220
221 /******************************* Bus DMA Support ******************************/
222 /* XXX Need to update bus_dmamap_sync to take a range argument. */
223 #define bus_dmamap_sync_range(dma_tag, dmamap, offset, len, op) \
224 bus_dmamap_sync(dma_tag, dmamap, op)
225
226 #if __FreeBSD_version < 600000
227 #define bus_get_dma_tag(x) NULL
228 #endif
229 #if __FreeBSD_version >= 501102
230 #define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary, \
231 lowaddr, highaddr, filter, filterarg, \
232 maxsize, nsegments, maxsegsz, flags, \
233 dma_tagp) \
234 bus_dma_tag_create(parent_tag, alignment, boundary, \
235 lowaddr, highaddr, filter, filterarg, \
236 maxsize, nsegments, maxsegsz, flags, \
237 busdma_lock_mutex, &(mpt)->mpt_lock, \
238 dma_tagp)
239 #else
240 #define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary, \
241 lowaddr, highaddr, filter, filterarg, \
242 maxsize, nsegments, maxsegsz, flags, \
243 dma_tagp) \
244 bus_dma_tag_create(parent_tag, alignment, boundary, \
245 lowaddr, highaddr, filter, filterarg, \
246 maxsize, nsegments, maxsegsz, flags, \
247 dma_tagp)
248 #endif
249
250 struct mpt_map_info {
251 struct mpt_softc *mpt;
252 int error;
253 uint32_t phys;
254 };
255
256 void mpt_map_rquest(void *, bus_dma_segment_t *, int, int);
257 /* **************************** NewBUS interrupt Crock ************************/
258 #ifdef __DragonFly__
259 #define mpt_setup_intr(d, i, f, U, if, ifa, hp) \
260 bus_setup_intr(d, i, f, if, ifa, hp, NULL)
261 #else
262 #if __FreeBSD_version < 700031
263 #define mpt_setup_intr(d, i, f, U, if, ifa, hp) \
264 bus_setup_intr(d, i, f, if, ifa, hp)
265 #else
266 #define mpt_setup_intr bus_setup_intr
267 #endif
268 #endif
269
270 /* **************************** NewBUS CAM Support ****************************/
271 #if __FreeBSD_version < 700049
272 #define mpt_xpt_bus_register(sim, parent, bus) \
273 xpt_bus_register(sim, bus)
274 #else
275 #define mpt_xpt_bus_register xpt_bus_register
276 #endif
277
278 /**************************** Kernel Thread Support ***************************/
279 #if __FreeBSD_version > 800001
280 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
281 kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
282 #define mpt_kthread_exit(status) \
283 kproc_exit(status)
284 #elif __FreeBSD_version > 500005
285 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
286 kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
287 #define mpt_kthread_exit(status) \
288 kthread_exit(status)
289 #else
290 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
291 kthread_create(func, farg, proc_ptr, fmtstr, arg)
292 #define mpt_kthread_exit(status) \
293 kthread_exit()
294 #endif
295
296 /****************************** Timer Facilities ******************************/
297 #if __FreeBSD_version > 500000
298 #define mpt_callout_init(c) callout_init(c, /*mpsafe*/1);
299 #else
300 #define mpt_callout_init(c) callout_init(c);
301 #endif
302
303 /********************************** Endianess *********************************/
304 #define MPT_2_HOST64(ptr, tag) ptr->tag = le64toh(ptr->tag)
305 #define MPT_2_HOST32(ptr, tag) ptr->tag = le32toh(ptr->tag)
306 #define MPT_2_HOST16(ptr, tag) ptr->tag = le16toh(ptr->tag)
307
308 #define HOST_2_MPT64(ptr, tag) ptr->tag = htole64(ptr->tag)
309 #define HOST_2_MPT32(ptr, tag) ptr->tag = htole32(ptr->tag)
310 #define HOST_2_MPT16(ptr, tag) ptr->tag = htole16(ptr->tag)
311
312 #if _BYTE_ORDER == _BIG_ENDIAN
313 void mpt2host_sge_simple_union(SGE_SIMPLE_UNION *);
314 void mpt2host_iocfacts_reply(MSG_IOC_FACTS_REPLY *);
315 void mpt2host_portfacts_reply(MSG_PORT_FACTS_REPLY *);
316 void mpt2host_config_page_ioc2(CONFIG_PAGE_IOC_2 *);
317 void mpt2host_config_page_ioc3(CONFIG_PAGE_IOC_3 *);
318 void mpt2host_config_page_scsi_port_0(CONFIG_PAGE_SCSI_PORT_0 *);
319 void mpt2host_config_page_scsi_port_1(CONFIG_PAGE_SCSI_PORT_1 *);
320 void host2mpt_config_page_scsi_port_1(CONFIG_PAGE_SCSI_PORT_1 *);
321 void mpt2host_config_page_scsi_port_2(CONFIG_PAGE_SCSI_PORT_2 *);
322 void mpt2host_config_page_scsi_device_0(CONFIG_PAGE_SCSI_DEVICE_0 *);
323 void mpt2host_config_page_scsi_device_1(CONFIG_PAGE_SCSI_DEVICE_1 *);
324 void host2mpt_config_page_scsi_device_1(CONFIG_PAGE_SCSI_DEVICE_1 *);
325 void mpt2host_config_page_fc_port_0(CONFIG_PAGE_FC_PORT_0 *);
326 void mpt2host_config_page_fc_port_1(CONFIG_PAGE_FC_PORT_1 *);
327 void host2mpt_config_page_fc_port_1(CONFIG_PAGE_FC_PORT_1 *);
328 void mpt2host_config_page_raid_vol_0(CONFIG_PAGE_RAID_VOL_0 *);
329 void mpt2host_config_page_raid_phys_disk_0(CONFIG_PAGE_RAID_PHYS_DISK_0 *);
330 void mpt2host_mpi_raid_vol_indicator(MPI_RAID_VOL_INDICATOR *);
331 #else
332 #define mpt2host_sge_simple_union(x) do { ; } while (0)
333 #define mpt2host_iocfacts_reply(x) do { ; } while (0)
334 #define mpt2host_portfacts_reply(x) do { ; } while (0)
335 #define mpt2host_config_page_ioc2(x) do { ; } while (0)
336 #define mpt2host_config_page_ioc3(x) do { ; } while (0)
337 #define mpt2host_config_page_scsi_port_0(x) do { ; } while (0)
338 #define mpt2host_config_page_scsi_port_1(x) do { ; } while (0)
339 #define host2mpt_config_page_scsi_port_1(x) do { ; } while (0)
340 #define mpt2host_config_page_scsi_port_2(x) do { ; } while (0)
341 #define mpt2host_config_page_scsi_device_0(x) do { ; } while (0)
342 #define mpt2host_config_page_scsi_device_1(x) do { ; } while (0)
343 #define host2mpt_config_page_scsi_device_1(x) do { ; } while (0)
344 #define mpt2host_config_page_fc_port_0(x) do { ; } while (0)
345 #define mpt2host_config_page_fc_port_1(x) do { ; } while (0)
346 #define host2mpt_config_page_fc_port_1(x) do { ; } while (0)
347 #define mpt2host_config_page_raid_vol_0(x) do { ; } while (0)
348 #define mpt2host_config_page_raid_phys_disk_0(x) \
349 do { ; } while (0)
350 #define mpt2host_mpi_raid_vol_indicator(x) do { ; } while (0)
351 #endif
352
353 /**************************** MPI Transaction State ***************************/
354 typedef enum {
355 REQ_STATE_NIL = 0x00,
356 REQ_STATE_FREE = 0x01,
357 REQ_STATE_ALLOCATED = 0x02,
358 REQ_STATE_QUEUED = 0x04,
359 REQ_STATE_DONE = 0x08,
360 REQ_STATE_TIMEDOUT = 0x10,
361 REQ_STATE_NEED_WAKEUP = 0x20,
362 REQ_STATE_LOCKED = 0x80, /* can't be freed */
363 REQ_STATE_MASK = 0xFF
364 } mpt_req_state_t;
365
366 struct req_entry {
367 TAILQ_ENTRY(req_entry) links; /* Pointer to next in list */
368 mpt_req_state_t state; /* Request State Information */
369 uint16_t index; /* Index of this entry */
370 uint16_t IOCStatus; /* Completion status */
371 uint16_t ResponseCode; /* TMF Reponse Code */
372 uint16_t serno; /* serial number */
373 union ccb *ccb; /* CAM request */
374 void *req_vbuf; /* Virtual Address of Entry */
375 void *sense_vbuf; /* Virtual Address of sense data */
376 bus_addr_t req_pbuf; /* Physical Address of Entry */
377 bus_addr_t sense_pbuf; /* Physical Address of sense data */
378 bus_dmamap_t dmap; /* DMA map for data buffers */
379 struct req_entry *chain; /* for SGE overallocations */
380 struct callout callout; /* Timeout for the request */
381 };
382
383 typedef struct mpt_config_params {
384 u_int Action;
385 u_int PageVersion;
386 u_int PageLength;
387 u_int PageNumber;
388 u_int PageType;
389 u_int PageAddress;
390 u_int ExtPageLength;
391 u_int ExtPageType;
392 } cfgparms_t;
393
394 /**************************** MPI Target State Info ***************************/
395
396 typedef struct {
397 uint32_t reply_desc; /* current reply descriptor */
398 uint32_t resid; /* current data residual */
399 uint32_t bytes_xfered; /* current relative offset */
400 union ccb *ccb; /* pointer to currently active ccb */
401 request_t *req; /* pointer to currently active assist request */
402 uint32_t
403 is_local : 1,
404 nxfers : 31;
405 uint32_t tag_id;
406 enum {
407 TGT_STATE_NIL,
408 TGT_STATE_LOADING,
409 TGT_STATE_LOADED,
410 TGT_STATE_IN_CAM,
411 TGT_STATE_SETTING_UP_FOR_DATA,
412 TGT_STATE_MOVING_DATA,
413 TGT_STATE_MOVING_DATA_AND_STATUS,
414 TGT_STATE_SENDING_STATUS
415 } state;
416 } mpt_tgt_state_t;
417
418 /*
419 * When we get an incoming command it has its own tag which is called the
420 * IoIndex. This is the value we gave that particular command buffer when
421 * we originally assigned it. It's just a number, really. The FC card uses
422 * it as an RX_ID. We can use it to index into mpt->tgt_cmd_ptrs, which
423 * contains pointers the request_t structures related to that IoIndex.
424 *
425 * What *we* do is construct a tag out of the index for the target command
426 * which owns the incoming ATIO plus a rolling sequence number.
427 */
428 #define MPT_MAKE_TAGID(mpt, req, ioindex) \
429 ((ioindex << 18) | (((mpt->sequence++) & 0x3f) << 12) | (req->index & 0xfff))
430
431 #ifdef INVARIANTS
432 #define MPT_TAG_2_REQ(a, b) mpt_tag_2_req(a, (uint32_t) b)
433 #else
434 #define MPT_TAG_2_REQ(mpt, tag) mpt->tgt_cmd_ptrs[tag >> 18]
435 #endif
436
437 #define MPT_TGT_STATE(mpt, req) ((mpt_tgt_state_t *) \
438 (&((uint8_t *)req->req_vbuf)[MPT_RQSL(mpt) - sizeof (mpt_tgt_state_t)]))
439
440 STAILQ_HEAD(mpt_hdr_stailq, ccb_hdr);
441 #define MPT_MAX_LUNS 256
442 typedef struct {
443 struct mpt_hdr_stailq atios;
444 struct mpt_hdr_stailq inots;
445 int enabled;
446 } tgt_resource_t;
447 #define MPT_MAX_ELS 64
448
449 /**************************** Handler Registration ****************************/
450 /*
451 * Global table of registered reply handlers. The
452 * handler is indicated by byte 3 of the request
453 * index submitted to the IOC. This allows the
454 * driver core to perform generic processing without
455 * any knowledge of per-personality behavior.
456 *
457 * MPT_NUM_REPLY_HANDLERS must be a power of 2
458 * to allow the easy generation of a mask.
459 *
460 * The handler offsets used by the core are hard coded
461 * allowing faster code generation when assigning a handler
462 * to a request. All "personalities" must use the
463 * the handler registration mechanism.
464 *
465 * The IOC handlers that are rarely executed are placed
466 * at the tail of the table to make it more likely that
467 * all commonly executed handlers fit in a single cache
468 * line.
469 */
470 #define MPT_NUM_REPLY_HANDLERS (32)
471 #define MPT_REPLY_HANDLER_EVENTS MPT_CBI_TO_HID(0)
472 #define MPT_REPLY_HANDLER_CONFIG MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-1)
473 #define MPT_REPLY_HANDLER_HANDSHAKE MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-2)
474 typedef int mpt_reply_handler_t(struct mpt_softc *mpt, request_t *request,
475 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame);
476 typedef union {
477 mpt_reply_handler_t *reply_handler;
478 } mpt_handler_t;
479
480 typedef enum {
481 MPT_HANDLER_REPLY,
482 MPT_HANDLER_EVENT,
483 MPT_HANDLER_RESET,
484 MPT_HANDLER_SHUTDOWN
485 } mpt_handler_type;
486
487 struct mpt_handler_record
488 {
489 LIST_ENTRY(mpt_handler_record) links;
490 mpt_handler_t handler;
491 };
492
493 LIST_HEAD(mpt_handler_list, mpt_handler_record);
494
495 /*
496 * The handler_id is currently unused but would contain the
497 * handler ID used in the MsgContext field to allow direction
498 * of replies to the handler. Registrations that don't require
499 * a handler id can pass in NULL for the handler_id.
500 *
501 * Deregistrations for handlers without a handler id should
502 * pass in MPT_HANDLER_ID_NONE.
503 */
504 #define MPT_HANDLER_ID_NONE (0xFFFFFFFF)
505 int mpt_register_handler(struct mpt_softc *, mpt_handler_type,
506 mpt_handler_t, uint32_t *);
507 int mpt_deregister_handler(struct mpt_softc *, mpt_handler_type,
508 mpt_handler_t, uint32_t);
509
510 /******************* Per-Controller Instance Data Structures ******************/
511 TAILQ_HEAD(req_queue, req_entry);
512
513 /* Structure for saving proper values for modifyable PCI config registers */
514 struct mpt_pci_cfg {
515 uint16_t Command;
516 uint16_t LatencyTimer_LineSize;
517 uint32_t IO_BAR;
518 uint32_t Mem0_BAR[2];
519 uint32_t Mem1_BAR[2];
520 uint32_t ROM_BAR;
521 uint8_t IntLine;
522 uint32_t PMCSR;
523 };
524
525 typedef enum {
526 MPT_RVF_NONE = 0x0,
527 MPT_RVF_ACTIVE = 0x1,
528 MPT_RVF_ANNOUNCED = 0x2,
529 MPT_RVF_UP2DATE = 0x4,
530 MPT_RVF_REFERENCED = 0x8,
531 MPT_RVF_WCE_CHANGED = 0x10
532 } mpt_raid_volume_flags;
533
534 struct mpt_raid_volume {
535 CONFIG_PAGE_RAID_VOL_0 *config_page;
536 MPI_RAID_VOL_INDICATOR sync_progress;
537 mpt_raid_volume_flags flags;
538 u_int quiesced_disks;
539 };
540
541 typedef enum {
542 MPT_RDF_NONE = 0x00,
543 MPT_RDF_ACTIVE = 0x01,
544 MPT_RDF_ANNOUNCED = 0x02,
545 MPT_RDF_UP2DATE = 0x04,
546 MPT_RDF_REFERENCED = 0x08,
547 MPT_RDF_QUIESCING = 0x10,
548 MPT_RDF_QUIESCED = 0x20
549 } mpt_raid_disk_flags;
550
551 struct mpt_raid_disk {
552 CONFIG_PAGE_RAID_PHYS_DISK_0 config_page;
553 struct mpt_raid_volume *volume;
554 u_int member_number;
555 u_int pass_thru_active;
556 mpt_raid_disk_flags flags;
557 };
558
559 struct mpt_evtf_record {
560 MSG_EVENT_NOTIFY_REPLY reply;
561 uint32_t context;
562 LIST_ENTRY(mpt_evtf_record) links;
563 };
564
565 LIST_HEAD(mpt_evtf_list, mpt_evtf_record);
566
567 struct mptsas_devinfo {
568 uint16_t dev_handle;
569 uint16_t parent_dev_handle;
570 uint16_t enclosure_handle;
571 uint16_t slot;
572 uint8_t phy_num;
573 uint8_t physical_port;
574 uint8_t target_id;
575 uint8_t bus;
576 uint64_t sas_address;
577 uint32_t device_info;
578 };
579
580 struct mptsas_phyinfo {
581 uint16_t handle;
582 uint8_t phy_num;
583 uint8_t port_id;
584 uint8_t negotiated_link_rate;
585 uint8_t hw_link_rate;
586 uint8_t programmed_link_rate;
587 uint8_t sas_port_add_phy;
588 struct mptsas_devinfo identify;
589 struct mptsas_devinfo attached;
590 };
591
592 struct mptsas_portinfo {
593 uint16_t num_phys;
594 struct mptsas_phyinfo *phy_info;
595 };
596
597 struct mpt_softc {
598 device_t dev;
599 #if __FreeBSD_version < 500000
600 uint32_t mpt_islocked;
601 int mpt_splsaved;
602 #else
603 struct mtx mpt_lock;
604 int mpt_locksetup;
605 #endif
606 uint32_t mpt_pers_mask;
607 uint32_t
608 : 8,
609 unit : 8,
610 ready : 1,
611 fw_uploaded : 1,
612 msi_enable : 1,
613 twildcard : 1,
614 tenabled : 1,
615 do_cfg_role : 1,
616 raid_enabled : 1,
617 raid_mwce_set : 1,
618 getreqwaiter : 1,
619 shutdwn_raid : 1,
620 shutdwn_recovery: 1,
621 outofbeer : 1,
622 disabled : 1,
623 is_spi : 1,
624 is_sas : 1,
625 is_fc : 1;
626
627 u_int cfg_role;
628 u_int role; /* role: none, ini, target, both */
629
630 u_int verbose;
631 #ifdef MPT_TEST_MULTIPATH
632 int failure_id;
633 #endif
634
635 /*
636 * IOC Facts
637 */
638 MSG_IOC_FACTS_REPLY ioc_facts;
639
640 /*
641 * Port Facts
642 */
643 MSG_PORT_FACTS_REPLY * port_facts;
644 #define mpt_ini_id port_facts[0].PortSCSIID
645 #define mpt_max_tgtcmds port_facts[0].MaxPostedCmdBuffers
646
647 /*
648 * Device Configuration Information
649 */
650 union {
651 struct mpt_spi_cfg {
652 CONFIG_PAGE_SCSI_PORT_0 _port_page0;
653 CONFIG_PAGE_SCSI_PORT_1 _port_page1;
654 CONFIG_PAGE_SCSI_PORT_2 _port_page2;
655 CONFIG_PAGE_SCSI_DEVICE_0 _dev_page0[16];
656 CONFIG_PAGE_SCSI_DEVICE_1 _dev_page1[16];
657 uint16_t _tag_enable;
658 uint16_t _disc_enable;
659 } spi;
660 #define mpt_port_page0 cfg.spi._port_page0
661 #define mpt_port_page1 cfg.spi._port_page1
662 #define mpt_port_page2 cfg.spi._port_page2
663 #define mpt_dev_page0 cfg.spi._dev_page0
664 #define mpt_dev_page1 cfg.spi._dev_page1
665 #define mpt_tag_enable cfg.spi._tag_enable
666 #define mpt_disc_enable cfg.spi._disc_enable
667 struct mpi_fc_cfg {
668 CONFIG_PAGE_FC_PORT_0 _port_page0;
669 uint32_t _port_speed;
670 #define mpt_fcport_page0 cfg.fc._port_page0
671 #define mpt_fcport_speed cfg.fc._port_speed
672 } fc;
673 } cfg;
674 #if __FreeBSD_version >= 500000
675 /*
676 * Device config information stored up for sysctl to access
677 */
678 union {
679 struct {
680 unsigned int initiator_id;
681 } spi;
682 struct {
683 char wwnn[19];
684 char wwpn[19];
685 } fc;
686 } scinfo;
687 #endif
688
689 /* Controller Info for RAID information */
690 CONFIG_PAGE_IOC_2 * ioc_page2;
691 CONFIG_PAGE_IOC_3 * ioc_page3;
692
693 /* Raid Data */
694 struct mpt_raid_volume* raid_volumes;
695 struct mpt_raid_disk* raid_disks;
696 u_int raid_max_volumes;
697 u_int raid_max_disks;
698 u_int raid_page0_len;
699 u_int raid_wakeup;
700 u_int raid_rescan;
701 u_int raid_resync_rate;
702 u_int raid_mwce_setting;
703 u_int raid_queue_depth;
704 u_int raid_nonopt_volumes;
705 thread_t raid_thread;
706 struct callout raid_timer;
707
708 /*
709 * PCI Hardware info
710 */
711 int pci_msi_count;
712 struct resource * pci_irq; /* Interrupt map for chip */
713 void * ih; /* Interupt handle */
714 struct mpt_pci_cfg pci_cfg; /* saved PCI conf registers */
715
716 /*
717 * DMA Mapping Stuff
718 */
719 struct resource * pci_reg; /* Register map for chip */
720 int pci_mem_rid; /* Resource ID */
721 bus_space_tag_t pci_st; /* Bus tag for registers */
722 bus_space_handle_t pci_sh; /* Bus handle for registers */
723 /* PIO versions of above. */
724 int pci_pio_rid;
725 struct resource * pci_pio_reg;
726 bus_space_tag_t pci_pio_st;
727 bus_space_handle_t pci_pio_sh;
728
729 bus_dma_tag_t parent_dmat; /* DMA tag for parent PCI bus */
730 bus_dma_tag_t reply_dmat; /* DMA tag for reply memory */
731 bus_dmamap_t reply_dmap; /* DMA map for reply memory */
732 uint8_t *reply; /* KVA of reply memory */
733 bus_addr_t reply_phys; /* BusAddr of reply memory */
734
735 bus_dma_tag_t buffer_dmat; /* DMA tag for buffers */
736 bus_dma_tag_t request_dmat; /* DMA tag for request memroy */
737 bus_dmamap_t request_dmap; /* DMA map for request memroy */
738 uint8_t *request; /* KVA of Request memory */
739 bus_addr_t request_phys; /* BusAddr of request memory */
740
741 uint32_t max_seg_cnt; /* calculated after IOC facts */
742
743 /*
744 * Hardware management
745 */
746 u_int reset_cnt;
747
748 /*
749 * CAM && Software Management
750 */
751 request_t *request_pool;
752 struct req_queue request_free_list;
753 struct req_queue request_pending_list;
754 struct req_queue request_timeout_list;
755
756
757 struct cam_sim *sim;
758 struct cam_path *path;
759
760 struct cam_sim *phydisk_sim;
761 struct cam_path *phydisk_path;
762
763 thread_t recovery_thread;
764 request_t *tmf_req;
765
766 /*
767 * Deferred frame acks due to resource shortage.
768 */
769 struct mpt_evtf_list ack_frames;
770
771 /*
772 * Target Mode Support
773 */
774 uint32_t scsi_tgt_handler_id;
775 request_t ** tgt_cmd_ptrs;
776 request_t ** els_cmd_ptrs; /* FC only */
777
778 /*
779 * *snork*- this is chosen to be here *just in case* somebody
780 * forgets to point to it exactly and we index off of trt with
781 * CAM_LUN_WILDCARD.
782 */
783 tgt_resource_t trt_wildcard; /* wildcard luns */
784 tgt_resource_t trt[MPT_MAX_LUNS];
785 uint16_t tgt_cmds_allocated;
786 uint16_t els_cmds_allocated; /* FC only */
787
788 uint16_t timeouts; /* timeout count */
789 uint16_t success; /* successes afer timeout */
790 uint16_t sequence; /* Sequence Number */
791 uint16_t pad3;
792
793
794 /* Paired port in some dual adapters configurations */
795 struct mpt_softc * mpt2;
796
797 /* FW Image management */
798 uint32_t fw_image_size;
799 uint8_t *fw_image;
800 bus_dma_tag_t fw_dmat; /* DMA tag for firmware image */
801 bus_dmamap_t fw_dmap; /* DMA map for firmware image */
802 bus_addr_t fw_phys; /* BusAddr of firmware image */
803
804 /* SAS Topology */
805 struct mptsas_portinfo *sas_portinfo;
806
807 /* Shutdown Event Handler. */
808 eventhandler_tag eh;
809
810 /* Userland management interface. */
811 struct cdev *cdev;
812
813 TAILQ_ENTRY(mpt_softc) links;
814 };
815
816 static __inline void mpt_assign_serno(struct mpt_softc *, request_t *);
817
818 static __inline void
819 mpt_assign_serno(struct mpt_softc *mpt, request_t *req)
820 {
821 if ((req->serno = mpt->sequence++) == 0) {
822 req->serno = mpt->sequence++;
823 }
824 }
825
826 /***************************** Locking Primitives *****************************/
827 #ifdef __DragonFly__
828 #define PUSER 0
829 #define MPT_IFLAGS 0
830 #define MPT_LOCK(mpt) crit_enter()
831 #define MPT_UNLOCK(mpt) crit_exit()
832 #define MPT_LOCK_SETUP(mpt) do { } while(0)
833 #define MPT_LOCK_DESTROY(mpt) do { } while(0)
834 #define MPT_LOCK_ASSERT(mpt) do { } while(0)
835 #define MPTLOCK_2_CAMLOCK MPT_UNLOCK
836 #define CAMLOCK_2_MPTLOCK MPT_LOCK
837 #define splx(s)
838 #define splsoftvm() 0
839 static __inline int
840 mpt_sleep(struct mpt_softc *mpt, void *ident, int priority,
841 const char *wmesg, int timo) {
842 int error;
843 error = tsleep(ident, 0, wmesg, timo);
844 return(error);
845 }
846 #endif
847 #define mpt_req_timeout(req, ticks, func, arg) \
848 callout_reset(&(req)->callout, (ticks), (func), (arg));
849 #define mpt_req_untimeout(req, func, arg) \
850 callout_stop(&(req)->callout)
851 #if 0
852 #if __FreeBSD_version < 500000
853 #define MPT_IFLAGS INTR_TYPE_CAM
854 #define MPT_LOCK(mpt) mpt_lockspl(mpt)
855 #define MPT_UNLOCK(mpt) mpt_unlockspl(mpt)
856 #define MPT_OWNED(mpt) mpt->mpt_islocked
857 #define MPT_LOCK_ASSERT(mpt)
858 #define MPTLOCK_2_CAMLOCK MPT_UNLOCK
859 #define CAMLOCK_2_MPTLOCK MPT_LOCK
860 #define MPT_LOCK_SETUP(mpt)
861 #define MPT_LOCK_DESTROY(mpt)
862
863 static __inline void mpt_lockspl(struct mpt_softc *mpt);
864 static __inline void mpt_unlockspl(struct mpt_softc *mpt);
865
866 static __inline void
867 mpt_lockspl(struct mpt_softc *mpt)
868 {
869 int s;
870
871 s = splcam();
872 if (mpt->mpt_islocked++ == 0) {
873 mpt->mpt_splsaved = s;
874 } else {
875 splx(s);
876 panic("Recursed lock with mask: 0x%x\n", s);
877 }
878 }
879
880 static __inline void
881 mpt_unlockspl(struct mpt_softc *mpt)
882 {
883 if (mpt->mpt_islocked) {
884 if (--mpt->mpt_islocked == 0) {
885 splx(mpt->mpt_splsaved);
886 }
887 } else
888 panic("Negative lock count\n");
889 }
890
891 static __inline int
892 mpt_sleep(struct mpt_softc *mpt, void *ident, int priority,
893 const char *wmesg, int timo)
894 {
895 int saved_cnt;
896 int saved_spl;
897 int error;
898
899 KASSERT(mpt->mpt_islocked <= 1, ("Invalid lock count on tsleep"));
900 saved_cnt = mpt->mpt_islocked;
901 saved_spl = mpt->mpt_splsaved;
902 mpt->mpt_islocked = 0;
903 error = tsleep(ident, priority, wmesg, timo);
904 KASSERT(mpt->mpt_islocked == 0, ("Invalid lock count on wakeup"));
905 mpt->mpt_islocked = saved_cnt;
906 mpt->mpt_splsaved = saved_spl;
907 return (error);
908 }
909
910 #define mpt_req_timeout(req, ticks, func, arg) \
911 callout_reset(&(req)->callout, (ticks), (func), (arg));
912 #define mpt_req_untimeout(req, func, arg) \
913 callout_stop(&(req)->callout)
914 #else
915 #if 1
916 #define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE
917 #define MPT_LOCK_SETUP(mpt) \
918 mtx_init(&mpt->mpt_lock, "mpt", NULL, MTX_DEF); \
919 mpt->mpt_locksetup = 1
920 #define MPT_LOCK_DESTROY(mpt) \
921 if (mpt->mpt_locksetup) { \
922 mtx_destroy(&mpt->mpt_lock); \
923 mpt->mpt_locksetup = 0; \
924 }
925
926 #define MPT_LOCK(mpt) mtx_lock(&(mpt)->mpt_lock)
927 #define MPT_UNLOCK(mpt) mtx_unlock(&(mpt)->mpt_lock)
928 #define MPT_OWNED(mpt) mtx_owned(&(mpt)->mpt_lock)
929 #define MPT_LOCK_ASSERT(mpt) mtx_assert(&(mpt)->mpt_lock, MA_OWNED)
930 #define MPTLOCK_2_CAMLOCK(mpt)
931 #define CAMLOCK_2_MPTLOCK(mpt)
932 #define mpt_sleep(mpt, ident, priority, wmesg, timo) \
933 msleep(ident, &(mpt)->mpt_lock, priority, wmesg, timo)
934 #define mpt_req_timeout(req, ticks, func, arg) \
935 callout_reset(&(req)->callout, (ticks), (func), (arg));
936 #define mpt_req_untimeout(req, func, arg) \
937 callout_stop(&(req)->callout)
938 #else
939
940 #define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY
941 #define MPT_LOCK_SETUP(mpt) do { } while (0)
942 #define MPT_LOCK_DESTROY(mpt) do { } while (0)
943 #define MPT_LOCK_ASSERT(mpt) mtx_assert(&Giant, MA_OWNED)
944 #define MPT_LOCK(mpt) mtx_lock(&Giant)
945 #define MPT_UNLOCK(mpt) mtx_unlock(&Giant)
946 #define MPTLOCK_2_CAMLOCK(mpt)
947 #define CAMLOCK_2_MPTLOCK(mpt)
948
949 static __inline int
950 mpt_sleep(struct mpt_softc *, void *, int, const char *, int);
951
952 #define mpt_ccb_timeout(ccb, ticks, func, arg) \
953 do { \
954 (ccb)->ccb_h.timeout_ch = timeout((func), (arg), (ticks)); \
955 } while (0)
956 #define mpt_ccb_untimeout(ccb, func, arg) \
957 untimeout((func), (arg), (ccb)->ccb_h.timeout_ch)
958 #define mpt_ccb_timeout_init(ccb) \
959 callout_handle_init(&(ccb)->ccb_h.timeout_ch)
960
961 static __inline int
962 mpt_sleep(struct mpt_softc *mpt, void *i, int p, const char *w, int t)
963 {
964 int r;
965 r = tsleep(i, p, w, t);
966 return (r);
967 }
968 #endif
969 #endif
970 #endif
971
972 /******************************* Register Access ******************************/
973 static __inline void mpt_write(struct mpt_softc *, size_t, uint32_t);
974 static __inline uint32_t mpt_read(struct mpt_softc *, int);
975 static __inline void mpt_pio_write(struct mpt_softc *, size_t, uint32_t);
976 static __inline uint32_t mpt_pio_read(struct mpt_softc *, int);
977
978 static __inline void
979 mpt_write(struct mpt_softc *mpt, size_t offset, uint32_t val)
980 {
981 bus_space_write_4(mpt->pci_st, mpt->pci_sh, offset, val);
982 }
983
984 static __inline uint32_t
985 mpt_read(struct mpt_softc *mpt, int offset)
986 {
987 return (bus_space_read_4(mpt->pci_st, mpt->pci_sh, offset));
988 }
989
990 /*
991 * Some operations (e.g. diagnostic register writes while the ARM proccessor
992 * is disabled), must be performed using "PCI pio" operations. On non-PCI
993 * busses, these operations likely map to normal register accesses.
994 */
995 static __inline void
996 mpt_pio_write(struct mpt_softc *mpt, size_t offset, uint32_t val)
997 {
998 bus_space_write_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset, val);
999 }
1000
1001 static __inline uint32_t
1002 mpt_pio_read(struct mpt_softc *mpt, int offset)
1003 {
1004 return (bus_space_read_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset));
1005 }
1006 /*********************** Reply Frame/Request Management ***********************/
1007 /* Max MPT Reply we are willing to accept (must be power of 2) */
1008 #define MPT_REPLY_SIZE 256
1009
1010 /* Max i/o size, based on legacy MAXPHYS. Can be increased. */
1011 #define MPT_MAXPHYS (128 * 1024)
1012
1013 /*
1014 * Must be less than 16384 in order for target mode to work
1015 */
1016 #define MPT_MAX_REQUESTS(mpt) 512
1017 #define MPT_REQUEST_AREA 512
1018 #define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_AREA */
1019 #define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA)
1020
1021 #define MPT_CONTEXT_CB_SHIFT (16)
1022 #define MPT_CBI(handle) (handle >> MPT_CONTEXT_CB_SHIFT)
1023 #define MPT_CBI_TO_HID(cbi) ((cbi) << MPT_CONTEXT_CB_SHIFT)
1024 #define MPT_CONTEXT_TO_CBI(x) \
1025 (((x) >> MPT_CONTEXT_CB_SHIFT) & (MPT_NUM_REPLY_HANDLERS - 1))
1026 #define MPT_CONTEXT_REQI_MASK 0xFFFF
1027 #define MPT_CONTEXT_TO_REQI(x) ((x) & MPT_CONTEXT_REQI_MASK)
1028
1029 /*
1030 * Convert a 32bit physical address returned from IOC to an
1031 * offset into our reply frame memory or the kvm address needed
1032 * to access the data. The returned address is only the low
1033 * 32 bits, so mask our base physical address accordingly.
1034 */
1035 #define MPT_REPLY_BADDR(x) \
1036 (x << 1)
1037 #define MPT_REPLY_OTOV(m, i) \
1038 ((void *)(&m->reply[i]))
1039
1040 #define MPT_DUMP_REPLY_FRAME(mpt, reply_frame) \
1041 do { \
1042 if (mpt->verbose > MPT_PRT_DEBUG) \
1043 mpt_dump_reply_frame(mpt, reply_frame); \
1044 } while(0)
1045
1046 static __inline uint32_t mpt_pop_reply_queue(struct mpt_softc *mpt);
1047 static __inline void mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr);
1048
1049 /*
1050 * Give the reply buffer back to the IOC after we have
1051 * finished processing it.
1052 */
1053 static __inline void
1054 mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr)
1055 {
1056 mpt_write(mpt, MPT_OFFSET_REPLY_Q, ptr);
1057 }
1058
1059 /* Get a reply from the IOC */
1060 static __inline uint32_t
1061 mpt_pop_reply_queue(struct mpt_softc *mpt)
1062 {
1063 return mpt_read(mpt, MPT_OFFSET_REPLY_Q);
1064 }
1065
1066 void
1067 mpt_complete_request_chain(struct mpt_softc *, struct req_queue *, u_int);
1068
1069 /************************** Scatter Gather Managment **************************/
1070 /* MPT_RQSL- size of request frame, in bytes */
1071 #define MPT_RQSL(mpt) (mpt->ioc_facts.RequestFrameSize << 2)
1072
1073 /* MPT_NSGL- how many SG entries can fit in a request frame size */
1074 #define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof (SGE_IO_UNION))
1075
1076 /* MPT_NRFM- how many request frames can fit in each request alloc we make */
1077 #define MPT_NRFM(mpt) (MPT_REQUEST_AREA / MPT_RQSL(mpt))
1078
1079 /*
1080 * MPT_NSGL_FIRST- # of SG elements that can fit after
1081 * an I/O request but still within the request frame.
1082 * Do this safely based upon SGE_IO_UNION.
1083 *
1084 * Note that the first element is *within* the SCSI request.
1085 */
1086 #define MPT_NSGL_FIRST(mpt) \
1087 ((MPT_RQSL(mpt) - sizeof (MSG_SCSI_IO_REQUEST) + sizeof (SGE_IO_UNION)) / \
1088 sizeof (SGE_IO_UNION))
1089
1090 /***************************** IOC Initialization *****************************/
1091 int mpt_reset(struct mpt_softc *, int /*reinit*/);
1092
1093 /****************************** Debugging ************************************/
1094 typedef struct mpt_decode_entry {
1095 char *name;
1096 u_int value;
1097 u_int mask;
1098 } mpt_decode_entry_t;
1099
1100 int mpt_decode_value(mpt_decode_entry_t *table, u_int num_entries,
1101 const char *name, u_int value, u_int *cur_column,
1102 u_int wrap_point);
1103
1104 void mpt_dump_data(struct mpt_softc *, const char *, void *, int);
1105 void mpt_dump_request(struct mpt_softc *, request_t *);
1106
1107 enum {
1108 MPT_PRT_ALWAYS,
1109 MPT_PRT_FATAL,
1110 MPT_PRT_ERROR,
1111 MPT_PRT_WARN,
1112 MPT_PRT_INFO,
1113 MPT_PRT_NEGOTIATION,
1114 MPT_PRT_DEBUG,
1115 MPT_PRT_DEBUG1,
1116 MPT_PRT_DEBUG2,
1117 MPT_PRT_DEBUG3,
1118 MPT_PRT_TRACE,
1119 MPT_PRT_NONE=100
1120 };
1121
1122 #if __FreeBSD_version > 500000
1123 #define mpt_lprt(mpt, level, ...) \
1124 do { \
1125 if (level <= (mpt)->verbose) \
1126 mpt_prt(mpt, __VA_ARGS__); \
1127 } while (0)
1128
1129 #define mpt_lprtc(mpt, level, ...) \
1130 do { \
1131 if (level <= (mpt)->debug_level) \
1132 mpt_prtc(mpt, __VA_ARGS__); \
1133 } while (0)
1134 #else
1135 void mpt_lprt(struct mpt_softc *, int, const char *, ...)
1136 __printflike(3, 4);
1137 void mpt_lprtc(struct mpt_softc *, int, const char *, ...)
1138 __printflike(3, 4);
1139 #endif
1140 void mpt_prt(struct mpt_softc *, const char *, ...)
1141 __printflike(2, 3);
1142 void mpt_prtc(struct mpt_softc *, const char *, ...)
1143 __printflike(2, 3);
1144
1145 /**************************** Target Mode Related ***************************/
1146 static __inline int mpt_cdblen(uint8_t, int);
1147 static __inline int
1148 mpt_cdblen(uint8_t cdb0, int maxlen)
1149 {
1150 int group = cdb0 >> 5;
1151 switch (group) {
1152 case 0:
1153 return (6);
1154 case 1:
1155 return (10);
1156 case 4:
1157 case 5:
1158 return (12);
1159 default:
1160 return (16);
1161 }
1162 }
1163 #ifdef INVARIANTS
1164 static __inline request_t * mpt_tag_2_req(struct mpt_softc *, uint32_t);
1165 static __inline request_t *
1166 mpt_tag_2_req(struct mpt_softc *mpt, uint32_t tag)
1167 {
1168 uint16_t rtg = (tag >> 18);
1169 KASSERT(rtg < mpt->tgt_cmds_allocated, ("bad tag %d\n", tag));
1170 KASSERT(mpt->tgt_cmd_ptrs, ("no cmd backpointer array"));
1171 KASSERT(mpt->tgt_cmd_ptrs[rtg], ("no cmd backpointer"));
1172 return (mpt->tgt_cmd_ptrs[rtg]);
1173 }
1174
1175
1176 static __inline int
1177 mpt_req_on_free_list(struct mpt_softc *, request_t *);
1178 static __inline int
1179 mpt_req_on_pending_list(struct mpt_softc *, request_t *);
1180
1181 static __inline void
1182 mpt_req_spcl(struct mpt_softc *, request_t *, const char *, int);
1183 static __inline void
1184 mpt_req_not_spcl(struct mpt_softc *, request_t *, const char *, int);
1185
1186
1187 /*
1188 * Is request on freelist?
1189 */
1190 static __inline int
1191 mpt_req_on_free_list(struct mpt_softc *mpt, request_t *req)
1192 {
1193 request_t *lrq;
1194
1195 TAILQ_FOREACH(lrq, &mpt->request_free_list, links) {
1196 if (lrq == req) {
1197 return (1);
1198 }
1199 }
1200 return (0);
1201 }
1202
1203 /*
1204 * Is request on pending list?
1205 */
1206 static __inline int
1207 mpt_req_on_pending_list(struct mpt_softc *mpt, request_t *req)
1208 {
1209 request_t *lrq;
1210
1211 TAILQ_FOREACH(lrq, &mpt->request_pending_list, links) {
1212 if (lrq == req) {
1213 return (1);
1214 }
1215 }
1216 return (0);
1217 }
1218
1219 /*
1220 * Make sure that req *is* part of one of the special lists
1221 */
1222 static __inline void
1223 mpt_req_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line)
1224 {
1225 int i;
1226 for (i = 0; i < mpt->els_cmds_allocated; i++) {
1227 if (req == mpt->els_cmd_ptrs[i]) {
1228 return;
1229 }
1230 }
1231 for (i = 0; i < mpt->tgt_cmds_allocated; i++) {
1232 if (req == mpt->tgt_cmd_ptrs[i]) {
1233 return;
1234 }
1235 }
1236 panic("%s(%d): req %p:%u function %x not in els or tgt ptrs\n",
1237 s, line, req, req->serno,
1238 ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function);
1239 }
1240
1241 /*
1242 * Make sure that req is *not* part of one of the special lists.
1243 */
1244 static __inline void
1245 mpt_req_not_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line)
1246 {
1247 int i;
1248 for (i = 0; i < mpt->els_cmds_allocated; i++) {
1249 KASSERT(req != mpt->els_cmd_ptrs[i],
1250 ("%s(%d): req %p:%u func %x in els ptrs at ioindex %d\n",
1251 s, line, req, req->serno,
1252 ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i));
1253 }
1254 for (i = 0; i < mpt->tgt_cmds_allocated; i++) {
1255 KASSERT(req != mpt->tgt_cmd_ptrs[i],
1256 ("%s(%d): req %p:%u func %x in tgt ptrs at ioindex %d\n",
1257 s, line, req, req->serno,
1258 ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i));
1259 }
1260 }
1261 #endif
1262
1263 /*
1264 * Task Management Types, purely for internal consumption
1265 */
1266 typedef enum {
1267 MPT_ABORT_TASK_SET=1234,
1268 MPT_CLEAR_TASK_SET,
1269 MPT_TARGET_RESET,
1270 MPT_CLEAR_ACA,
1271 MPT_TERMINATE_TASK,
1272 MPT_NIL_TMT_VALUE=5678
1273 } mpt_task_mgmt_t;
1274
1275 /**************************** Unclassified Routines ***************************/
1276 void mpt_send_cmd(struct mpt_softc *mpt, request_t *req);
1277 int mpt_recv_handshake_reply(struct mpt_softc *mpt,
1278 size_t reply_len, void *reply);
1279 int mpt_wait_req(struct mpt_softc *mpt, request_t *req,
1280 mpt_req_state_t state, mpt_req_state_t mask,
1281 int sleep_ok, int time_ms);
1282 void mpt_enable_ints(struct mpt_softc *mpt);
1283 void mpt_disable_ints(struct mpt_softc *mpt);
1284 int mpt_attach(struct mpt_softc *mpt);
1285 int mpt_shutdown(struct mpt_softc *mpt);
1286 int mpt_detach(struct mpt_softc *mpt);
1287 int mpt_send_handshake_cmd(struct mpt_softc *mpt,
1288 size_t len, void *cmd);
1289 request_t * mpt_get_request(struct mpt_softc *mpt, int sleep_ok);
1290 void mpt_free_request(struct mpt_softc *mpt, request_t *req);
1291 void mpt_intr(void *arg);
1292 void mpt_check_doorbell(struct mpt_softc *mpt);
1293 void mpt_dump_reply_frame(struct mpt_softc *mpt,
1294 MSG_DEFAULT_REPLY *reply_frame);
1295
1296 void mpt_set_config_regs(struct mpt_softc *);
1297 int mpt_issue_cfg_req(struct mpt_softc */*mpt*/, request_t */*req*/,
1298 cfgparms_t *params,
1299 bus_addr_t /*addr*/, bus_size_t/*len*/,
1300 int /*sleep_ok*/, int /*timeout_ms*/);
1301 int mpt_read_extcfg_header(struct mpt_softc *mpt, int PageVersion,
1302 int PageNumber, uint32_t PageAddress,
1303 int ExtPageType,
1304 CONFIG_EXTENDED_PAGE_HEADER *rslt,
1305 int sleep_ok, int timeout_ms);
1306 int mpt_read_extcfg_page(struct mpt_softc *mpt, int Action,
1307 uint32_t PageAddress,
1308 CONFIG_EXTENDED_PAGE_HEADER *hdr,
1309 void *buf, size_t len, int sleep_ok,
1310 int timeout_ms);
1311 int mpt_read_cfg_header(struct mpt_softc *, int /*PageType*/,
1312 int /*PageNumber*/,
1313 uint32_t /*PageAddress*/,
1314 CONFIG_PAGE_HEADER *,
1315 int /*sleep_ok*/, int /*timeout_ms*/);
1316 int mpt_read_cfg_page(struct mpt_softc *t, int /*Action*/,
1317 uint32_t /*PageAddress*/,
1318 CONFIG_PAGE_HEADER *, size_t /*len*/,
1319 int /*sleep_ok*/, int /*timeout_ms*/);
1320 int mpt_write_cfg_page(struct mpt_softc *, int /*Action*/,
1321 uint32_t /*PageAddress*/,
1322 CONFIG_PAGE_HEADER *, size_t /*len*/,
1323 int /*sleep_ok*/, int /*timeout_ms*/);
1324 static __inline int
1325 mpt_read_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress,
1326 CONFIG_PAGE_HEADER *hdr, size_t len,
1327 int sleep_ok, int timeout_ms)
1328 {
1329 return (mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT,
1330 PageAddress, hdr, len, sleep_ok, timeout_ms));
1331 }
1332
1333 static __inline int
1334 mpt_write_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress,
1335 CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok,
1336 int timeout_ms)
1337 {
1338 return (mpt_write_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT,
1339 PageAddress, hdr, len, sleep_ok,
1340 timeout_ms));
1341 }
1342 /* mpt_debug.c functions */
1343 void mpt_print_reply(void *vmsg);
1344 void mpt_print_db(uint32_t mb);
1345 void mpt_print_config_reply(void *vmsg);
1346 char *mpt_ioc_diag(uint32_t diag);
1347 void mpt_req_state(mpt_req_state_t state);
1348 void mpt_print_config_request(void *vmsg);
1349 void mpt_print_request(void *vmsg);
1350 void mpt_print_scsi_io_request(MSG_SCSI_IO_REQUEST *msg);
1351 void mpt_dump_sgl(SGE_IO_UNION *se, int offset);
1352 #endif /* _MPT_H_ */
DragonFly BSD