1/* 2 * Copyright (c) HighPoint Technologies, Inc. 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 * $FreeBSD: releng/10.3/sys/dev/hptrr/ldm.h 176939 2008-03-08 18:06:48Z scottl $ 27 */ 28#include <dev/hptrr/hptrr_config.h> 29/* 30 * $Id: ldm.h,v 1.69 2007/11/22 07:31:55 gmm Exp $ 31 * Copyright (C) 2004-2005 HighPoint Technologies, Inc. All rights reserved. 32 */ 33#ifndef _HPT_LDM_H_ 34#define _HPT_LDM_H_ 35 36#define VERMAGIC_LDM 69 37 38#if defined(__cplusplus) 39extern "C" { 40#endif 41 42 43#define __hpt_set_ver(x, v1, v2, v3, v4, v5) x ## _R_ ## v1 ## _ ## v2 ## _ ## v3 ## _ ## v4 ## _ ## v5 44#define _hpt_set_ver(x, v1, v2, v3, v4, v5) __hpt_set_ver(x, v1, v2, v3, v4, v5) 45#define hpt_set_ver(x) _hpt_set_ver(x, VERMAGIC_OSM, VERMAGIC_HIM, VERMAGIC_LDM, VERMAGIC_ARRAY, MAX_MEMBERS) 46 47#define ldm_register_him hpt_set_ver(ldm_register_him) 48#define ldm_register_vdev_class hpt_set_ver(ldm_register_vdev_class) 49#define ldm_alloc_cmds hpt_set_ver(ldm_alloc_cmds) 50 51 52#ifndef HPT_INTERFACE_VERSION 53#define HPT_INTERFACE_VERSION 0x02000001 54#endif 55 56#define MAX_PARTITIONS_PER_DISK 4 57#if defined(__MAX_PARTITIONS_PER_DISK) && MAX_PARTITIONS_PER_DISK > __MAX_PARTITIONS_PER_DISK 58#error "Please redefine MAX_PARTITIONS_PER_DISK!!!" 59#endif 60 61#define MAX(a,b) (((a)>(b))?(a):(b)) 62#define MIN(a,b) (((a)<(b))?(a):(b)) 63 64 65typedef char check_HPT_TIME_is_unsigned[ (HPT_TIME)(-1) > 0 ? 1 : -1 ]; 66 67#define hpt_time_after_eq(a, b) ((long)(a) - (long)(b) >= 0) 68#define hpt_time_after(a, b) ((long)(a) - (long)(b) > 0) 69 70 71 72struct freelist { 73 int dma; 74 HPT_UINT alignment; 75 HPT_UINT count; 76 HPT_UINT size; 77 void * head; 78 struct freelist *next; 79#if DBG 80 char *tag; 81 HPT_UINT reserved_count; 82 #define freelist_debug_tag(list, _tag) (list)->tag = _tag 83#else 84 #define freelist_debug_tag(list, _tag) 85#endif 86}; 87 88 89void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count); 90 91void *freelist_get(struct freelist *); 92void freelist_put(struct freelist *, void *p); 93 94void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count); 95void *freelist_get_dma(struct freelist *, BUS_ADDRESS *busaddr); 96void freelist_put_dma(struct freelist *, void *p, BUS_ADDRESS busaddr); 97 98 99#define freelist_reserve_with_tag(list, osext, size, count) \ 100 do {\ 101 freelist_debug_tag(list, #list " at " __FILE__);\ 102 freelist_reserve(list, osext, size, count);\ 103 }while(0) 104 105#define freelist_reserve_dma_with_tag(list, osext, size, alignment, count) \ 106 do {\ 107 freelist_debug_tag(list, #list " at " __FILE__);\ 108 freelist_reserve_dma(list, osext, size, alignment, count);\ 109 }while(0) 110 111struct lock_request { 112 HPT_U64 start, end; 113 struct lock_request *next; 114 struct list_head waiters; /* blocked commands */ 115 struct tq_item callback; 116 int lock_cc; 117}; 118 119#define INIT_LOCK_REQUEST(req, _start, _end, _cb, _arg, _cc) \ 120 do {\ 121 (req)->next = 0;\ 122 (req)->start = _start;\ 123 (req)->end = _end;\ 124 INIT_TQ_ITEM(&(req)->callback, _cb, _arg);\ 125 INIT_LIST_HEAD(&(req)->waiters);\ 126 (req)->lock_cc = _cc;\ 127 } while (0) 128 129struct task_queue { 130 struct tq_item *head, *tail; 131}; 132 133#define TQ_EMPTY(tq) ((tq)->head==0) 134 135struct dmapool_order { 136 HPT_UINT npages; 137 struct tq_item wakeup_fn; 138 struct dmapool_order *next; 139}; 140 141struct dmapool_client { 142 void * handle; 143 HPT_UINT (*shrink)(void *handle, HPT_UINT npages); 144 int (*resume)(void *handle); 145 struct dmapool_client *next; 146}; 147 148typedef struct _VBUS * PVBUS; 149typedef struct _VDEV * PVDEV; 150 151 152void dmapool_register_client(PVBUS vbus, struct dmapool_client *client); 153 154 155void dmapool_active(PVBUS vbus); 156 157/* return 0 if the request is immediately satisfied, non-zero otherwise. */ 158int dmapool_make_order(PVBUS vbus, struct dmapool_order *order); 159 160 161void *dmapool_get_page(PVBUS vbus, BUS_ADDRESS *busaddr); 162void *dmapool_get_page_at(PVBUS vbus, void *p, BUS_ADDRESS *busaddr); 163void dmapool_put_page(PVBUS vbus, void *p, BUS_ADDRESS busaddr); 164void dmapool_init(PVBUS vbus); 165HPT_UINT dmapool_max_class_pages(PVBUS vbus); 166 167 168struct timer_call { 169 HPT_U32 interval; /*microseconds*/ 170 HPT_TIME expire_time; /*microseconds*/ 171 void (*proc)(void * arg); 172 void * arg; 173 struct timer_call ** pprev; 174 struct timer_call * next; 175}; 176 177#define ldm_init_timer(timer) do { (timer)->next=0; (timer)->pprev=0; } while (0) 178 179#define INIT_TIMER_CALL(timer, _interval, _proc, _arg) \ 180 do { \ 181 HPT_ASSERT((timer)->next==0 && (timer)->pprev==0);\ 182 (timer)->interval = _interval;\ 183 (timer)->proc = _proc;\ 184 (timer)->arg = _arg;\ 185 } while(0) 186 187void ldm_request_timer(PVBUS vbus, struct timer_call * tc); 188void ldm_remove_timer(PVBUS vbus, struct timer_call * tc); 189void ldm_on_timer(PVBUS vbus); 190 191 192typedef struct _LDM_ADAPTER 193{ 194 struct _LDM_ADAPTER *next; 195 HIM *him; 196 void *him_handle; 197 PVBUS vbus; 198 struct freelist freelist_dev; 199 struct freelist freelist_plugged_dpc; 200 HPT_BOOL master; 201} 202LDM_ADAPTER, *PLDM_ADAPTER; 203 204typedef struct _IOCTL_ARG 205{ 206 struct list_head link; 207 PVBUS vbus; 208 HPT_U32 dwIoControlCode; 209 HPT_U32 nInBufferSize; 210 HPT_U32 nOutBufferSize; 211 void * lpInBuffer; 212 void * lpOutBuffer; 213 HPT_U32 *lpBytesReturned; 214 void * ioctl_cmnd; 215 void (* done)(struct _IOCTL_ARG *); 216 int result; /* HPT_IOCTL_RESULT_ */ 217 struct tq_item dpc; 218} IOCTL_ARG; 219 220#define HPT_IOCTL_RESULT_OK 0 221#define HPT_IOCTL_RESULT_FAILED (-1) 222#define HPT_IOCTL_RESULT_INVALID (-2) 223#define HPT_IOCTL_RESULT_RETRY (-3) 224#define HPT_IOCTL_RESULT_WRONG_VBUS (-4) 225 226void ldm_ioctl( PVBUS vbus, IOCTL_ARG *IAPnt); 227HPT_U32 ldm_get_device_id(PVDEV vd); /* for ioctl */ 228void ldm_set_rebuild_priority(PVBUS vbus, int priority); 229void ldm_set_autorebuild(PVBUS vbus, int enable); 230void ldm_set_spindown_disks_timeout(PVBUS vbus, HPT_U8 timeout); 231 232#ifndef __HPT_RAW_LBA 233#define __HPT_RAW_LBA HPT_RAW_LBA 234#endif 235 236#include <dev/hptrr/array.h> 237 238typedef struct hpt_raw_disk 239{ 240#ifdef SUPPORT_ARRAY 241 PRAW_PARTITION raw_part_list; 242 __HPT_RAW_LBA max_available_capacity; 243 __HPT_RAW_LBA total_available_capacity; 244#endif 245 __HPT_RAW_LBA real_capacity; 246 __HPT_RAW_LBA head_position; 247 248 HPT_U16 max_sectors_per_cmd; 249 HPT_U8 max_queue_depth; 250 HPT_U8 user_select_mode; 251 252 HPT_UINT uninitialized : 1; 253 HPT_UINT legacy_disk : 1; 254 HPT_UINT is_spare : 1; 255 HPT_UINT v3_format : 1; 256 HPT_UINT need_sync : 1; 257 HPT_UINT temp_spare : 1; 258 HPT_UINT need_check_array : 1; 259 HPT_UINT df_user_mode_set: 1; 260 261 HPT_UINT df_read_ahead_set: 1; 262 HPT_UINT enable_read_ahead : 1; 263 HPT_UINT df_write_cache_set: 1; 264 HPT_UINT enable_write_cache : 1; 265 HPT_UINT df_tcq_set: 1; 266 HPT_UINT enable_tcq : 1; 267 HPT_UINT df_ncq_set: 1; 268 HPT_UINT enable_ncq : 1; 269 270 HIM * him; 271 int index; 272 PLDM_ADAPTER adapter; 273 void * phy_dev; 274 PIDENTIFY_DATA2 identify_data; 275 char model[40]; 276 277 struct tq_item reset_dpc; 278 int reset_pending; 279 280 struct tq_item fail_dpc; 281 int fail_pending; 282} 283HPT_RAW_DISK, *PHPT_RAW_DISK; 284 285struct vdev_class 286{ 287 struct vdev_class *next; 288 289 HPT_U8 __type; 290 HPT_U8 stripped; /* RAID0,3,5,6 */ 291 HPT_U8 redundancy; /* RAID1-1, RAID3/5-1, RAID6-2 */ 292 HPT_U8 must_init; /* RAID3,5,6 */ 293 HPT_U8 docache; 294 295 HPT_UINT vbus_ext_size; 296 HPT_UINT vbus_ext_offset; /* used by LDM */ 297 HPT_UINT dev_ext_size; 298 HPT_UINT cmd_ext_size; 299 300 301 void (*get_mem_info)(PVBUS vbus, void *osext, int phydev_count); 302 void (*queue_cmd)(PCOMMAND cmd); 303 void (*member_failed)(struct _VDEV * vd); 304 305 306 void (*initialize)(PVBUS vbus); 307 void (*release)(PVBUS vbus); 308 int (*add)(PVDEV vd); 309 void (*remove)(PVDEV vd); 310 void (*reset)(PVDEV vd); 311 void (*sync_stamp)(PVDEV vd); 312 int (*support_type)(int type); 313}; 314 315 316#define VDEV_CLASS_CONSTRUCTOR(type, prefix) { \ 317 0, \ 318 type, \ 319 prefix ## _stripped, \ 320 prefix ## _redundancy, \ 321 prefix ## _must_init, \ 322 0, \ 323 prefix ## _vbus_ext_size, \ 324 0, \ 325 prefix ## _dev_ext_size, \ 326 prefix ## _cmd_ext_size, \ 327 prefix ## _get_mem_info, \ 328 prefix ## _queue_cmd, \ 329 prefix ## _member_failed, \ 330 prefix ## _initialize, \ 331 prefix ## _release, \ 332 prefix ## _add, \ 333 prefix ## _remove, \ 334 prefix ## _reset, \ 335 prefix ## _sync_stamp, \ 336 0 \ 337} 338 339#define VD_RAW 1 340#define VD_PARTITION 4 341 342#define mIsArray(vdev_type) ((vdev_type)>VD_PARTITION) 343 344#define VD_RAID0 5 345#define VD_RAID1 6 346#define VD_JBOD 7 347#define VD_RAID5 8 348#define VD_RAID6 9 349#define VD_RAID3 10 350#define VD_RAID4 11 351#define VD_RAID1E 12 352 353#define MAX_VD_TYPE_ID 12 354 355struct vdev_class *ldm_find_vdev_class(HPT_U8 type); 356 357typedef struct _VDEV { 358 PVBUS vbus; 359 struct vdev_class *Class; 360 HPT_U8 type; 361 PVDEV parent; 362 void * ext; 363 HPT_U64 capacity; 364 int target_id; 365 HPT_UINT cmds_per_request; 366 367 union { 368#ifdef SUPPORT_ARRAY 369 HPT_ARRAY array; 370 HPT_PARTITION partition; 371#endif 372 HPT_RAW_DISK raw; 373 } u; 374 375 HPT_U8 vf_online : 1; 376 HPT_U8 vf_bootmark : 1; 377 HPT_U8 vf_bootable : 1; 378 HPT_U8 vf_resetting: 1; 379 HPT_U8 vf_quiesced: 1; 380 HPT_U8 vf_clslock: 1; 381 382 HPT_U8 cache_policy; /* see CACHE_POLICY_* */ 383 384 HPT_UINT cq_len; 385 HPT_UINT cmds_sent; 386 387 struct list_head link; 388 struct list_head cq_wait_send; 389 struct list_head cq_sent; 390 391 int cq_priority; 392 struct list_head cq_wait_lock; 393 struct lock_request *locks_granted; 394 struct lock_request *locks_wait; 395 HPT_U32 ioctl_id; 396 void * cc_ext; 397} 398VDEV; 399 400#define CACHE_POLICY_NONE 0 401#define CACHE_POLICY_WRITE_THROUGH 1 402#define CACHE_POLICY_WRITE_BACK 2 403 404 405extern HIM *him_list; 406 407 408void ldm_register_him(PHIM him); 409 410 411void ldm_register_vdev_class(struct vdev_class *Class); 412 413 414HPT_BOOL ldm_register_adapter(PLDM_ADAPTER adapter); 415 416 417int init_config(void); 418 419HPT_UINT ldm_get_vbus_size(void); 420 421 422void ldm_create_vbus(PVBUS vbus, void *osext); 423 424 425void ldm_get_mem_info(PVBUS vbus, void *osext); 426 427 428void *ldm_get_vbus_ext(PVBUS vbus, struct vdev_class *Class); 429 430 431PVBUS ldm_get_next_vbus(PVBUS vbus, void **posext); 432 433#define ldm_for_each_vbus(vbus, vbus_ext) \ 434 for (vbus = ldm_get_next_vbus(0, (void **)(void *)&vbus_ext); vbus; \ 435 vbus = ldm_get_next_vbus(vbus, (void **)(void *)&vbus_ext)) 436 437 438void ldm_initialize_vbus_async(PVBUS vbus, PLDM_ADAPTER master_adapter, void (*done)(void *osext)); 439 440/* ldm_initialize_vbus is deprecated since it will hold the CPU too long. */ 441#define ldm_initialize_vbus(vbus, adapter) ldm_initialize_vbus_async(vbus, adapter, 0) 442 443 444void ldm_release_vbus(PVBUS vbus); 445 446PVDEV ldm_create_vdev(PVBUS vbus, HPT_U8 type); 447void ldm_release_vdev(PVDEV vd); 448 449PVDEV ldm_find_target(PVBUS vbus, int id); 450PVDEV ldm_find_stamp(PVBUS vbus, HPT_U32 stamp, int seq); 451 452 453PCOMMAND ldm_alloc_cmds(PVBUS vbus, HPT_UINT cnt); 454void ldm_free_cmds(PCOMMAND cmd); 455 456HPT_UINT ldm_get_cmd_size(void); 457PCOMMAND ldm_alloc_cmds_from_list(PVBUS vbus, struct freelist *list, HPT_UINT cnt); 458void ldm_free_cmds_to_list(struct freelist *list, PCOMMAND cmd); 459 460 461PCOMMAND __ldm_alloc_cmd(struct freelist *list); 462 463#ifdef OS_SUPPORT_TASK 464#define CMD_SET_PRIORITY(cmd, pri) cmd->priority = (pri) 465#else 466#define CMD_SET_PRIORITY(cmd, pri) 467#endif 468 469 470#define CMD_GROUP_GET(grp, cmd) \ 471 do {\ 472 grp->grplist->count++;\ 473 cmd = __ldm_alloc_cmd(grp->grplist);\ 474 cmd->vbus = grp->vbus;\ 475 cmd->grplist = grp->grplist;\ 476 CMD_SET_PRIORITY(cmd, grp->priority);\ 477 } while(0) 478 479#define CMD_GROUP_PUT(grp, cmd) \ 480 do {\ 481 freelist_put(grp->grplist, cmd);\ 482 grp->grplist->count--;\ 483 } while (0) 484 485 486 487 488void ldm_queue_cmd(PCOMMAND cmd); 489void vdev_queue_cmd(PCOMMAND cmd); 490void ldm_finish_cmd(PCOMMAND cmd); 491 492 493int ldm_acquire_lock(PVDEV vd, struct lock_request *req); 494void ldm_release_lock(PVDEV vd, struct lock_request *req); 495 496void ldm_queue_task(struct task_queue *tq, struct tq_item *t); 497void ldm_queue_vbus_dpc(PVBUS vbus, struct tq_item *t); 498 499HPT_BOOL ldm_intr(PVBUS vbus); 500void ldm_run(PVBUS vbus); 501int ldm_idle(PVBUS vbus); 502 503 504int ldm_reset_vbus(PVBUS vbus); 505 506 507void ldm_suspend(PVBUS vbus); 508void ldm_resume(PVBUS vbus); 509void ldm_shutdown(PVBUS vbus);/*shutdown all the controllers*/ 510 511 512#define HIM_EVENT_DEVICE_REMOVED 1 513#define HIM_EVENT_DEVICE_PLUGGED 2 514#define HIM_EVENT_DEVICE_ERROR 3 515#define HIM_EVENT_RESET_REQUIRED 4 516#define HIM_EVENT_QUIESCE_DEVICE 5 517#define HIM_EVENT_UNQUIESCE_DEVICE 6 518#define HIM_EVENT_CONFIG_CHANGED 7 519 520void ldm_event_notify(HPT_U32 event, void *arg1, void *arg2); 521 522void log_sector_repair(PVDEV vd, int success, HPT_LBA lba, HPT_U16 nsectors); 523 524void ldm_register_device(PVDEV vd); 525void ldm_unregister_device(PVDEV vd); 526 527PVBUS him_handle_to_vbus(void * him_handle); 528void ldm_ide_fixstring (HPT_U8 *s, const int bytecount); 529#if defined(__cplusplus) 530} 531#endif 532#endif 533