1/*- 2 * Copyright (c) 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 * $FreeBSD$ 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 62#define MAX(a,b) (((a)>(b))?(a):(b)) 63#define MIN(a,b) (((a)<(b))?(a):(b)) 64 65 66typedef char check_HPT_TIME_is_unsigned[ (HPT_TIME)(-1) > 0 ? 1 : -1 ]; 67 68#define hpt_time_after_eq(a, b) ((int)(a) - (int)(b) >= 0) 69#define hpt_time_after(a, b) ((int)(a) - (int)(b) > 0) 70 71 72 73struct freelist { 74 int dma; 75 HPT_UINT alignment; 76 HPT_UINT count; 77 HPT_UINT size; 78 void * head; 79 struct freelist *next; 80#if DBG 81 char *tag; 82 HPT_UINT reserved_count; 83 #define freelist_debug_tag(list, _tag) (list)->tag = _tag 84#else 85 #define freelist_debug_tag(list, _tag) 86#endif 87}; 88 89 90void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count); 91 92void *freelist_get(struct freelist *); 93void freelist_put(struct freelist *, void *p); 94 95void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count); 96void *freelist_get_dma(struct freelist *, BUS_ADDRESS *busaddr); 97void freelist_put_dma(struct freelist *, void *p, BUS_ADDRESS busaddr); 98 99 100#define freelist_reserve_with_tag(list, osext, size, count) \ 101 do {\ 102 freelist_debug_tag(list, #list " at " __FILE__);\ 103 freelist_reserve(list, osext, (HPT_UINT)(size), (HPT_UINT)(count));\ 104 }while(0) 105 106#define freelist_reserve_dma_with_tag(list, osext, size, alignment, count) \ 107 do {\ 108 freelist_debug_tag(list, #list " at " __FILE__);\ 109 freelist_reserve_dma(list, osext, (HPT_UINT)(size), (HPT_UINT)(alignment), (HPT_UINT)(count));\ 110 }while(0) 111 112struct lock_request { 113 HPT_U64 start, end; 114 struct lock_request *next; 115 struct list_head waiters; /* blocked commands */ 116 struct tq_item callback; 117 int lock_cc; 118}; 119 120#define INIT_LOCK_REQUEST(req, _start, _end, _cb, _arg, _cc) \ 121 do {\ 122 (req)->next = 0;\ 123 (req)->start = _start;\ 124 (req)->end = _end;\ 125 INIT_TQ_ITEM(&(req)->callback, _cb, _arg);\ 126 INIT_LIST_HEAD(&(req)->waiters);\ 127 (req)->lock_cc = _cc;\ 128 } while (0) 129 130struct task_queue { 131 struct tq_item *head, *tail; 132}; 133 134#define TQ_EMPTY(tq) ((tq)->head==0) 135 136struct dmapool_order { 137 HPT_UINT npages; 138 struct tq_item wakeup_fn; 139 struct dmapool_order *next; 140}; 141 142struct dmapool_client { 143 void * handle; 144 HPT_UINT (*shrink)(void *handle, HPT_UINT npages); 145 int (*resume)(void *handle); 146 struct dmapool_client *next; 147}; 148 149typedef struct _VBUS * PVBUS; 150typedef struct _VDEV * PVDEV; 151 152 153void dmapool_register_client(PVBUS vbus, struct dmapool_client *client); 154 155 156void dmapool_active(PVBUS vbus); 157 158/* return 0 if the request is immediately satisfied, non-zero otherwise. */ 159int dmapool_make_order(PVBUS vbus, struct dmapool_order *order); 160 161 162void *dmapool_get_page(PVBUS vbus, BUS_ADDRESS *busaddr); 163void *dmapool_get_page_at(PVBUS vbus, void *p, BUS_ADDRESS *busaddr); 164void dmapool_put_page(PVBUS vbus, void *p, BUS_ADDRESS busaddr); 165void dmapool_init(PVBUS vbus); 166HPT_UINT dmapool_max_class_pages(PVBUS vbus); 167 168 169struct timer_call { 170 HPT_U32 interval; /*microseconds*/ 171 HPT_TIME expire_time; /*microseconds*/ 172 void (*proc)(void * arg); 173 void * arg; 174 struct timer_call ** pprev; 175 struct timer_call * next; 176}; 177 178#define ldm_init_timer(timer) do { (timer)->next=0; (timer)->pprev=0; } while (0) 179 180#define INIT_TIMER_CALL(timer, _interval, _proc, _arg) \ 181 do { \ 182 HPT_ASSERT((timer)->next==0 && (timer)->pprev==0);\ 183 (timer)->interval = _interval;\ 184 (timer)->proc = _proc;\ 185 (timer)->arg = _arg;\ 186 } while(0) 187 188void ldm_request_timer(PVBUS vbus, struct timer_call * tc); 189void ldm_remove_timer(PVBUS vbus, struct timer_call * tc); 190void ldm_on_timer(PVBUS vbus); 191 192 193typedef struct _LDM_ADAPTER 194{ 195 struct _LDM_ADAPTER *next; 196 HIM *him; 197 void *him_handle; 198 PVBUS vbus; 199 struct freelist freelist_dev; 200 int devid_start; 201 struct freelist freelist_plugged_dpc; 202 HPT_BOOL master; 203} 204LDM_ADAPTER, *PLDM_ADAPTER; 205 206typedef struct _IOCTL_ARG 207{ 208 struct list_head link; 209 PVBUS vbus; 210 HPT_U32 dwIoControlCode; 211 HPT_U32 nInBufferSize; 212 HPT_U32 nOutBufferSize; 213 void * lpInBuffer; 214 void * lpOutBuffer; 215 HPT_U32 *lpBytesReturned; 216 void * ioctl_cmnd; 217 void (* done)(struct _IOCTL_ARG *); 218 int result; /* HPT_IOCTL_RESULT_ */ 219 struct tq_item dpc; 220} IOCTL_ARG; 221 222#define HPT_IOCTL_RESULT_OK 0 223#define HPT_IOCTL_RESULT_FAILED (-1) 224#define HPT_IOCTL_RESULT_INVALID (-2) 225#define HPT_IOCTL_RESULT_RETRY (-3) 226#define HPT_IOCTL_RESULT_WRONG_VBUS (-4) 227 228void ldm_ioctl( PVBUS vbus, IOCTL_ARG *IAPnt); 229void ldm_set_autorebuild(PVBUS vbus, int enable); 230HPT_U32 ldm_get_device_id(PVDEV vd); /* for ioctl */ 231 232#ifndef __HPT_RAW_LBA 233#define __HPT_RAW_LBA HPT_RAW_LBA 234#endif 235 236#include <dev/hpt27xx/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; 274 275 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 (HPT_UINT)(prefix ## _vbus_ext_size), \ 324 0, \ 325 (HPT_UINT)(prefix ## _dev_ext_size), \ 326 (HPT_UINT)(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 HPT_U32 last_active; 392 int cq_priority; 393 struct list_head cq_wait_lock; 394 struct lock_request *locks_granted; 395 struct lock_request *locks_wait; 396 HPT_U32 ioctl_id; 397 void * cc_ext; 398} 399VDEV; 400 401#define CACHE_POLICY_NONE 0 402#define CACHE_POLICY_WRITE_THROUGH 1 403#define CACHE_POLICY_WRITE_BACK 2 404 405 406extern HIM *him_list; 407 408 409void ldm_register_him(PHIM him); 410 411 412void ldm_register_vdev_class(struct vdev_class *Class); 413 414 415HPT_BOOL ldm_register_adapter(PLDM_ADAPTER adapter); 416 417 418int init_config(void); 419 420HPT_UINT ldm_get_vbus_size(void); 421 422 423void ldm_create_vbus(PVBUS vbus, void *osext); 424 425 426void ldm_get_mem_info(PVBUS vbus, void *osext); 427 428 429void *ldm_get_vbus_ext(PVBUS vbus, struct vdev_class *Class); 430 431 432PVBUS ldm_get_next_vbus(PVBUS vbus, void **posext); 433 434#define ldm_for_each_vbus(vbus, vbus_ext) \ 435 for (vbus = ldm_get_next_vbus(0, (void **)(void *)&vbus_ext); vbus; \ 436 vbus = ldm_get_next_vbus(vbus, (void **)(void *)&vbus_ext)) 437 438 439void ldm_initialize_vbus_async(PVBUS vbus, PLDM_ADAPTER master_adapter, void (*done)(void *osext)); 440 441/* ldm_initialize_vbus is deprecated since it will hold the CPU too long. */ 442#define ldm_initialize_vbus(vbus, adapter) ldm_initialize_vbus_async(vbus, adapter, 0) 443 444 445void ldm_release_vbus(PVBUS vbus); 446 447PVDEV ldm_create_vdev(PVBUS vbus, HPT_U8 type); 448void ldm_release_vdev(PVDEV vd); 449 450PVDEV ldm_find_target(PVBUS vbus, int id); 451PVDEV ldm_find_stamp(PVBUS vbus, HPT_U32 stamp, int seq); 452 453 454PCOMMAND ldm_alloc_cmds(PVBUS vbus, HPT_UINT cnt); 455void ldm_free_cmds(PCOMMAND cmd); 456 457HPT_UINT ldm_get_cmd_size(void); 458PCOMMAND ldm_alloc_cmds_from_list(PVBUS vbus, struct freelist *list, HPT_UINT cnt); 459void ldm_free_cmds_to_list(struct freelist *list, PCOMMAND cmd); 460 461 462PCOMMAND __ldm_alloc_cmd(struct freelist *list); 463 464#ifdef OS_SUPPORT_TASK 465#define CMD_SET_PRIORITY(cmd, pri) cmd->priority = (pri) 466#else 467#define CMD_SET_PRIORITY(cmd, pri) 468#endif 469 470 471#define CMD_GROUP_GET(grp, cmd) \ 472 do {\ 473 grp->grplist->count++;\ 474 cmd = __ldm_alloc_cmd(grp->grplist);\ 475 cmd->vbus = grp->vbus;\ 476 cmd->grplist = grp->grplist;\ 477 CMD_SET_PRIORITY(cmd, grp->priority);\ 478 } while(0) 479 480#define CMD_GROUP_PUT(grp, cmd) \ 481 do {\ 482 freelist_put(grp->grplist, cmd);\ 483 grp->grplist->count--;\ 484 } while (0) 485 486 487 488 489void ldm_queue_cmd(PCOMMAND cmd); 490void vdev_queue_cmd(PCOMMAND cmd); 491void ldm_finish_cmd(PCOMMAND cmd); 492 493 494int ldm_acquire_lock(PVDEV vd, struct lock_request *req); 495void ldm_release_lock(PVDEV vd, struct lock_request *req); 496 497void ldm_queue_task(struct task_queue *tq, struct tq_item *t); 498void ldm_queue_vbus_dpc(PVBUS vbus, struct tq_item *t); 499 500HPT_BOOL ldm_intr(PVBUS vbus); 501void ldm_run(PVBUS vbus); 502int ldm_idle(PVBUS vbus); 503 504 505int ldm_reset_vbus(PVBUS vbus); 506 507 508void ldm_suspend(PVBUS vbus); 509void ldm_resume(PVBUS vbus); 510void ldm_shutdown(PVBUS vbus);/*shutdown all the controllers*/ 511 512 513#define HIM_EVENT_DEVICE_REMOVED 1 514#define HIM_EVENT_DEVICE_PLUGGED 2 515#define HIM_EVENT_DEVICE_ERROR 3 516#define HIM_EVENT_RESET_REQUIRED 4 517#define HIM_EVENT_QUIESCE_DEVICE 5 518#define HIM_EVENT_UNQUIESCE_DEVICE 6 519#define HIM_EVENT_CONFIG_CHANGED 7 520 521void ldm_event_notify(HPT_U32 event, void *arg1, void *arg2); 522 523void log_sector_repair(PVDEV vd, int success, HPT_LBA lba, HPT_U16 nsectors); 524 525void ldm_register_device(PVDEV vd); 526void ldm_unregister_device(PVDEV vd); 527 528PVBUS him_handle_to_vbus(void * him_handle); 529void ldm_ide_fixstring (HPT_U8 *s, const int bytecount); 530#if defined(__cplusplus) 531} 532#endif 533#endif 534