ldm.h revision 314223
1/*- 2 * Copyright (c) 2005-2011 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: stable/11/sys/dev/hpt27xx/ldm.h 314223 2017-02-24 21:20:48Z pfg $ 27 */ 28 29#include <dev/hpt27xx/hpt27xx_config.h> 30 31#ifndef _HPT_LDM_H_ 32#define _HPT_LDM_H_ 33 34#define VERMAGIC_LDM 75 35 36#if defined(__cplusplus) 37extern "C" { 38#endif 39 40 41#define __hpt_set_ver(x, v1, v2, v3, v4, v5) x ## _R_ ## v1 ## _ ## v2 ## _ ## v3 ## _ ## v4 ## _ ## v5 42#define _hpt_set_ver(x, v1, v2, v3, v4, v5) __hpt_set_ver(x, v1, v2, v3, v4, v5) 43#define hpt_set_ver(x) _hpt_set_ver(x, VERMAGIC_OSM, VERMAGIC_HIM, VERMAGIC_LDM, VERMAGIC_ARRAY, MAX_MEMBERS) 44 45#define ldm_register_him hpt_set_ver(ldm_register_him) 46#define ldm_register_vdev_class hpt_set_ver(ldm_register_vdev_class) 47#define ldm_alloc_cmds hpt_set_ver(ldm_alloc_cmds) 48 49 50#ifndef HPT_INTERFACE_VERSION 51#define HPT_INTERFACE_VERSION 0x02010000 52#endif 53 54#ifndef MAX_PARTITIONS_PER_DISK 55#define MAX_PARTITIONS_PER_DISK 4 56#endif 57 58#if defined(__MAX_PARTITIONS_PER_DISK) && MAX_PARTITIONS_PER_DISK > __MAX_PARTITIONS_PER_DISK 59#error "Please redefine MAX_PARTITIONS_PER_DISK!!!" 60#endif 61 62typedef char check_HPT_TIME_is_unsigned[ (HPT_TIME)(-1) > 0 ? 1 : -1 ]; 63 64#define hpt_time_after_eq(a, b) ((int)(a) - (int)(b) >= 0) 65#define hpt_time_after(a, b) ((int)(a) - (int)(b) > 0) 66 67 68 69struct freelist { 70 int dma; 71 HPT_UINT alignment; 72 HPT_UINT count; 73 HPT_UINT size; 74 void * head; 75 struct freelist *next; 76#if DBG 77 char *tag; 78 HPT_UINT reserved_count; 79 #define freelist_debug_tag(list, _tag) (list)->tag = _tag 80#else 81 #define freelist_debug_tag(list, _tag) 82#endif 83}; 84 85 86void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count); 87 88void *freelist_get(struct freelist *); 89void freelist_put(struct freelist *, void *p); 90 91void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count); 92void *freelist_get_dma(struct freelist *, BUS_ADDRESS *busaddr); 93void freelist_put_dma(struct freelist *, void *p, BUS_ADDRESS busaddr); 94 95 96#define freelist_reserve_with_tag(list, osext, size, count) \ 97 do {\ 98 freelist_debug_tag(list, #list " at " __FILE__);\ 99 freelist_reserve(list, osext, (HPT_UINT)(size), (HPT_UINT)(count));\ 100 }while(0) 101 102#define freelist_reserve_dma_with_tag(list, osext, size, alignment, count) \ 103 do {\ 104 freelist_debug_tag(list, #list " at " __FILE__);\ 105 freelist_reserve_dma(list, osext, (HPT_UINT)(size), (HPT_UINT)(alignment), (HPT_UINT)(count));\ 106 }while(0) 107 108struct lock_request { 109 HPT_U64 start, end; 110 struct lock_request *next; 111 struct list_head waiters; /* blocked commands */ 112 struct tq_item callback; 113 int lock_cc; 114}; 115 116#define INIT_LOCK_REQUEST(req, _start, _end, _cb, _arg, _cc) \ 117 do {\ 118 (req)->next = 0;\ 119 (req)->start = _start;\ 120 (req)->end = _end;\ 121 INIT_TQ_ITEM(&(req)->callback, _cb, _arg);\ 122 INIT_LIST_HEAD(&(req)->waiters);\ 123 (req)->lock_cc = _cc;\ 124 } while (0) 125 126struct task_queue { 127 struct tq_item *head, *tail; 128}; 129 130#define TQ_EMPTY(tq) ((tq)->head==0) 131 132struct dmapool_order { 133 HPT_UINT npages; 134 struct tq_item wakeup_fn; 135 struct dmapool_order *next; 136}; 137 138struct dmapool_client { 139 void * handle; 140 HPT_UINT (*shrink)(void *handle, HPT_UINT npages); 141 int (*resume)(void *handle); 142 struct dmapool_client *next; 143}; 144 145typedef struct _VBUS * PVBUS; 146typedef struct _VDEV * PVDEV; 147 148 149void dmapool_register_client(PVBUS vbus, struct dmapool_client *client); 150 151 152void dmapool_active(PVBUS vbus); 153 154/* return 0 if the request is immediately satisfied, non-zero otherwise. */ 155int dmapool_make_order(PVBUS vbus, struct dmapool_order *order); 156 157 158void *dmapool_get_page(PVBUS vbus, BUS_ADDRESS *busaddr); 159void *dmapool_get_page_at(PVBUS vbus, void *p, BUS_ADDRESS *busaddr); 160void dmapool_put_page(PVBUS vbus, void *p, BUS_ADDRESS busaddr); 161void dmapool_init(PVBUS vbus); 162HPT_UINT dmapool_max_class_pages(PVBUS vbus); 163 164 165struct timer_call { 166 HPT_U32 interval; /*microseconds*/ 167 HPT_TIME expire_time; /*microseconds*/ 168 void (*proc)(void * arg); 169 void * arg; 170 struct timer_call ** pprev; 171 struct timer_call * next; 172}; 173 174#define ldm_init_timer(timer) do { (timer)->next=0; (timer)->pprev=0; } while (0) 175 176#define INIT_TIMER_CALL(timer, _interval, _proc, _arg) \ 177 do { \ 178 HPT_ASSERT((timer)->next==0 && (timer)->pprev==0);\ 179 (timer)->interval = _interval;\ 180 (timer)->proc = _proc;\ 181 (timer)->arg = _arg;\ 182 } while(0) 183 184void ldm_request_timer(PVBUS vbus, struct timer_call * tc); 185void ldm_remove_timer(PVBUS vbus, struct timer_call * tc); 186void ldm_on_timer(PVBUS vbus); 187 188 189typedef struct _LDM_ADAPTER 190{ 191 struct _LDM_ADAPTER *next; 192 HIM *him; 193 void *him_handle; 194 PVBUS vbus; 195 struct freelist freelist_dev; 196 int devid_start; 197 struct freelist freelist_plugged_dpc; 198 HPT_BOOL master; 199} 200LDM_ADAPTER, *PLDM_ADAPTER; 201 202typedef struct _IOCTL_ARG 203{ 204 struct list_head link; 205 PVBUS vbus; 206 HPT_U32 dwIoControlCode; 207 HPT_U32 nInBufferSize; 208 HPT_U32 nOutBufferSize; 209 void * lpInBuffer; 210 void * lpOutBuffer; 211 HPT_U32 *lpBytesReturned; 212 void * ioctl_cmnd; 213 void (* done)(struct _IOCTL_ARG *); 214 int result; /* HPT_IOCTL_RESULT_ */ 215 struct tq_item dpc; 216} IOCTL_ARG; 217 218#define HPT_IOCTL_RESULT_OK 0 219#define HPT_IOCTL_RESULT_FAILED (-1) 220#define HPT_IOCTL_RESULT_INVALID (-2) 221#define HPT_IOCTL_RESULT_RETRY (-3) 222#define HPT_IOCTL_RESULT_WRONG_VBUS (-4) 223 224void ldm_ioctl( PVBUS vbus, IOCTL_ARG *IAPnt); 225void ldm_set_autorebuild(PVBUS vbus, int enable); 226HPT_U32 ldm_get_device_id(PVDEV vd); /* for ioctl */ 227 228#ifndef __HPT_RAW_LBA 229#define __HPT_RAW_LBA HPT_RAW_LBA 230#endif 231 232#include <dev/hpt27xx/array.h> 233 234typedef struct hpt_raw_disk 235{ 236#ifdef SUPPORT_ARRAY 237 PRAW_PARTITION raw_part_list; 238 __HPT_RAW_LBA max_available_capacity; 239 __HPT_RAW_LBA total_available_capacity; 240#endif 241 __HPT_RAW_LBA real_capacity; 242 __HPT_RAW_LBA head_position; 243 HPT_U32 logical_sector_size; 244 245 HPT_U16 max_sectors_per_cmd; 246 HPT_U8 max_queue_depth; 247 HPT_U8 user_select_mode; 248 249 HPT_UINT uninitialized : 1; 250 HPT_UINT legacy_disk : 1; 251 HPT_UINT is_spare : 1; 252 HPT_UINT v3_format : 1; 253 HPT_UINT need_sync : 1; 254 HPT_UINT temp_spare : 1; 255 HPT_UINT need_check_array : 1; 256 HPT_UINT df_user_mode_set: 1; 257 258 HPT_UINT df_read_ahead_set: 1; 259 HPT_UINT enable_read_ahead : 1; 260 HPT_UINT df_write_cache_set: 1; 261 HPT_UINT enable_write_cache : 1; 262 HPT_UINT df_tcq_set: 1; 263 HPT_UINT enable_tcq : 1; 264 HPT_UINT df_ncq_set: 1; 265 HPT_UINT enable_ncq : 1; 266 267 HPT_UINT bad_sector : 1; 268 HPT_UINT df_sas : 1; 269 HPT_UINT df_tape : 1; 270 HPT_UINT df_changer : 1; 271 272 HIM * him; 273 int index; 274 PLDM_ADAPTER adapter; 275 void * phy_dev; 276 277 char model[40]; 278 279 struct tq_item reset_dpc; 280 int reset_pending; 281 282 struct tq_item fail_dpc; 283 int fail_pending; 284} 285HPT_RAW_DISK, *PHPT_RAW_DISK; 286 287struct vdev_class 288{ 289 struct vdev_class *next; 290 291 HPT_U8 __type; 292 HPT_U8 stripped; /* RAID0,3,5,6 */ 293 HPT_U8 redundancy; /* RAID1-1, RAID3/5-1, RAID6-2 */ 294 HPT_U8 must_init; /* RAID3,5,6 */ 295 HPT_U8 docache; 296 297 HPT_UINT vbus_ext_size; 298 HPT_UINT vbus_ext_offset; /* used by LDM */ 299 HPT_UINT dev_ext_size; 300 HPT_UINT cmd_ext_size; 301 302 303 void (*get_mem_info)(PVBUS vbus, void *osext, int phydev_count); 304 void (*queue_cmd)(PCOMMAND cmd); 305 void (*member_failed)(struct _VDEV * vd); 306 307 308 void (*initialize)(PVBUS vbus); 309 void (*release)(PVBUS vbus); 310 int (*add)(PVDEV vd); 311 void (*remove)(PVDEV vd); 312 void (*reset)(PVDEV vd); 313 void (*sync_stamp)(PVDEV vd); 314 int (*support_type)(int type); 315}; 316 317 318#define VDEV_CLASS_CONSTRUCTOR(type, prefix) { \ 319 0, \ 320 type, \ 321 prefix ## _stripped, \ 322 prefix ## _redundancy, \ 323 prefix ## _must_init, \ 324 0, \ 325 (HPT_UINT)(prefix ## _vbus_ext_size), \ 326 0, \ 327 (HPT_UINT)(prefix ## _dev_ext_size), \ 328 (HPT_UINT)(prefix ## _cmd_ext_size), \ 329 prefix ## _get_mem_info, \ 330 prefix ## _queue_cmd, \ 331 prefix ## _member_failed, \ 332 prefix ## _initialize, \ 333 prefix ## _release, \ 334 prefix ## _add, \ 335 prefix ## _remove, \ 336 prefix ## _reset, \ 337 prefix ## _sync_stamp, \ 338 0 \ 339} 340 341#define VD_RAW 1 342#define VD_PARTITION 4 343 344#define mIsArray(vdev_type) ((vdev_type)>VD_PARTITION) 345 346#define VD_RAID0 5 347#define VD_RAID1 6 348#define VD_JBOD 7 349#define VD_RAID5 8 350#define VD_RAID6 9 351#define VD_RAID3 10 352#define VD_RAID4 11 353#define VD_RAID1E 12 354 355#define MAX_VD_TYPE_ID 12 356 357struct vdev_class *ldm_find_vdev_class(HPT_U8 type); 358 359typedef struct _VDEV { 360 PVBUS vbus; 361 struct vdev_class *Class; 362 HPT_U8 type; 363 PVDEV parent; 364 void * ext; 365 HPT_U64 capacity; 366 int target_id; 367 HPT_UINT cmds_per_request; 368 369 union { 370#ifdef SUPPORT_ARRAY 371 HPT_ARRAY array; 372 HPT_PARTITION partition; 373#endif 374 HPT_RAW_DISK raw; 375 } u; 376 377 HPT_U8 vf_online : 1; 378 HPT_U8 vf_bootmark : 1; 379 HPT_U8 vf_bootable : 1; 380 HPT_U8 vf_resetting: 1; 381 HPT_U8 vf_quiesced: 1; 382 HPT_U8 vf_clslock: 1; 383 384 HPT_U8 cache_policy; /* see CACHE_POLICY_* */ 385 386 HPT_UINT cq_len; 387 HPT_UINT cmds_sent; 388 389 struct list_head link; 390 struct list_head cq_wait_send; 391 struct list_head cq_sent; 392 393 HPT_U32 last_active; 394 int cq_priority; 395 struct list_head cq_wait_lock; 396 struct lock_request *locks_granted; 397 struct lock_request *locks_wait; 398 HPT_U32 ioctl_id; 399 void * cc_ext; 400} 401VDEV; 402 403#define CACHE_POLICY_NONE 0 404#define CACHE_POLICY_WRITE_THROUGH 1 405#define CACHE_POLICY_WRITE_BACK 2 406 407 408extern HIM *him_list; 409 410 411void ldm_register_him(PHIM him); 412 413 414void ldm_register_vdev_class(struct vdev_class *Class); 415 416 417HPT_BOOL ldm_register_adapter(PLDM_ADAPTER adapter); 418 419 420int init_config(void); 421 422HPT_UINT ldm_get_vbus_size(void); 423 424 425void ldm_create_vbus(PVBUS vbus, void *osext); 426 427 428void ldm_get_mem_info(PVBUS vbus, void *osext); 429 430 431void *ldm_get_vbus_ext(PVBUS vbus, struct vdev_class *Class); 432 433 434PVBUS ldm_get_next_vbus(PVBUS vbus, void **posext); 435 436#define ldm_for_each_vbus(vbus, vbus_ext) \ 437 for (vbus = ldm_get_next_vbus(0, (void **)(void *)&vbus_ext); vbus; \ 438 vbus = ldm_get_next_vbus(vbus, (void **)(void *)&vbus_ext)) 439 440 441void ldm_initialize_vbus_async(PVBUS vbus, PLDM_ADAPTER master_adapter, void (*done)(void *osext)); 442 443/* ldm_initialize_vbus is deprecated since it will hold the CPU too long. */ 444#define ldm_initialize_vbus(vbus, adapter) ldm_initialize_vbus_async(vbus, adapter, 0) 445 446 447void ldm_release_vbus(PVBUS vbus); 448 449PVDEV ldm_create_vdev(PVBUS vbus, HPT_U8 type); 450void ldm_release_vdev(PVDEV vd); 451 452PVDEV ldm_find_target(PVBUS vbus, int id); 453PVDEV ldm_find_stamp(PVBUS vbus, HPT_U32 stamp, int seq); 454 455 456PCOMMAND ldm_alloc_cmds(PVBUS vbus, HPT_UINT cnt); 457void ldm_free_cmds(PCOMMAND cmd); 458 459HPT_UINT ldm_get_cmd_size(void); 460PCOMMAND ldm_alloc_cmds_from_list(PVBUS vbus, struct freelist *list, HPT_UINT cnt); 461void ldm_free_cmds_to_list(struct freelist *list, PCOMMAND cmd); 462 463 464PCOMMAND __ldm_alloc_cmd(struct freelist *list); 465 466#ifdef OS_SUPPORT_TASK 467#define CMD_SET_PRIORITY(cmd, pri) cmd->priority = (pri) 468#else 469#define CMD_SET_PRIORITY(cmd, pri) 470#endif 471 472 473#define CMD_GROUP_GET(grp, cmd) \ 474 do {\ 475 grp->grplist->count++;\ 476 cmd = __ldm_alloc_cmd(grp->grplist);\ 477 cmd->vbus = grp->vbus;\ 478 cmd->grplist = grp->grplist;\ 479 CMD_SET_PRIORITY(cmd, grp->priority);\ 480 } while(0) 481 482#define CMD_GROUP_PUT(grp, cmd) \ 483 do {\ 484 freelist_put(grp->grplist, cmd);\ 485 grp->grplist->count--;\ 486 } while (0) 487 488 489 490 491void ldm_queue_cmd(PCOMMAND cmd); 492void vdev_queue_cmd(PCOMMAND cmd); 493void ldm_finish_cmd(PCOMMAND cmd); 494 495 496int ldm_acquire_lock(PVDEV vd, struct lock_request *req); 497void ldm_release_lock(PVDEV vd, struct lock_request *req); 498 499void ldm_queue_vbus_dpc(PVBUS vbus, struct tq_item *t); 500void ldm_queue_vbus_idle(PVBUS vbus, struct tq_item *t); 501 502HPT_BOOL ldm_intr(PVBUS vbus); 503void ldm_run(PVBUS vbus); 504int ldm_idle(PVBUS vbus); 505 506 507int ldm_reset_vbus(PVBUS vbus); 508 509 510void ldm_suspend(PVBUS vbus); 511void ldm_resume(PVBUS vbus); 512LDM_ADAPTER *ldm_resume_adapter(PVBUS vbus, PLDM_ADAPTER ldm_adapter); 513void ldm_shutdown(PVBUS vbus);/*shutdown all the controllers*/ 514 515 516#define HIM_EVENT_DEVICE_REMOVED 1 517#define HIM_EVENT_DEVICE_PLUGGED 2 518#define HIM_EVENT_DEVICE_ERROR 3 519#define HIM_EVENT_RESET_REQUIRED 4 520#define HIM_EVENT_QUIESCE_DEVICE 5 521#define HIM_EVENT_UNQUIESCE_DEVICE 6 522#define HIM_EVENT_CONFIG_CHANGED 7 523 524void ldm_event_notify(HPT_U32 event, void *arg1, void *arg2); 525 526void log_sector_repair(PVDEV vd, int success, HPT_LBA lba, HPT_U16 nsectors); 527 528void ldm_register_device(PVDEV vd); 529void ldm_unregister_device(PVDEV vd); 530 531PVBUS him_handle_to_vbus(void * him_handle); 532void ldm_ide_fixstring (HPT_U8 *s, const int bytecount); 533#if defined(__cplusplus) 534} 535#endif 536#endif 537