1 #include <dev/rr232x/rr232x_config.h>
3 * $Id: ldm.h,v 1.48 2006/02/21 06:11:19 gmm Exp $
4 * Copyright (C) 2004-2005 HighPoint Technologies, Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
31 #define VERMAGIC_LDM 48
33 #if defined(__cplusplus)
38 #define __hpt_set_ver(x, v1, v2, v3, v4, v5) x ## _R_ ## v1 ## _ ## v2 ## _ ## v3 ## _ ## v4 ## _ ## v5
39 #define _hpt_set_ver(x, v1, v2, v3, v4, v5) __hpt_set_ver(x, v1, v2, v3, v4, v5)
40 #define hpt_set_ver(x) _hpt_set_ver(x, VERMAGIC_OSM, VERMAGIC_HIM, VERMAGIC_LDM, VERMAGIC_ARRAY, MAX_MEMBERS)
42 #define ldm_register_him hpt_set_ver(ldm_register_him)
43 #define ldm_register_vdev_class hpt_set_ver(ldm_register_vdev_class)
44 #define ldm_alloc_cmds hpt_set_ver(ldm_alloc_cmds)
47 #ifndef HPT_INTERFACE_VERSION
48 #define HPT_INTERFACE_VERSION 0x02000000
51 #define MAX_PARTITIONS_PER_DISK 4
52 #if defined(__MAX_PARTITIONS_PER_DISK) && MAX_PARTITIONS_PER_DISK > __MAX_PARTITIONS_PER_DISK
53 #error "Please redefine MAX_PARTITIONS_PER_DISK!!!"
56 #define MAX(a,b) (((a)>(b))?(a):(b))
57 #define MIN(a,b) (((a)<(b))?(a):(b))
66 struct freelist *next;
69 HPT_UINT reserved_count;
70 #define freelist_debug_tag(list, _tag) (list)->tag = _tag
72 #define freelist_debug_tag(list, _tag)
77 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count);
79 void *freelist_get(struct freelist *);
80 void freelist_put(struct freelist *, void *p);
82 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count);
83 void *freelist_get_dma(struct freelist *, BUS_ADDRESS *busaddr);
84 void freelist_put_dma(struct freelist *, void *p, BUS_ADDRESS busaddr);
87 #define freelist_reserve_with_tag(list, osext, size, count) \
89 freelist_debug_tag(list, #list " at " __FILE__);\
90 freelist_reserve(list, osext, size, count);\
93 #define freelist_reserve_dma_with_tag(list, osext, size, alignment, count) \
95 freelist_debug_tag(list, #list " at " __FILE__);\
96 freelist_reserve_dma(list, osext, size, alignment, count);\
101 struct lock_request *next;
102 struct list_head waiters; /* blocked commands */
103 struct tq_item callback;
106 #define INIT_LOCK_REQUEST(req, _start, _end, _cb, _arg) \
109 (req)->start = _start;\
111 INIT_TQ_ITEM(&(req)->callback, _cb, _arg);\
112 INIT_LIST_HEAD(&(req)->waiters);\
116 struct tq_item *head, *tail;
119 #define TQ_EMPTY(tq) ((tq)->head==0)
121 struct dmapool_order {
123 struct tq_item wakeup_fn;
124 struct dmapool_order *next;
127 struct dmapool_client {
129 HPT_UINT (*shrink)(void *handle, HPT_UINT npages);
130 struct dmapool_client *next;
133 typedef struct _VBUS * PVBUS;
134 typedef struct _VDEV * PVDEV;
137 void dmapool_register_client(PVBUS vbus, struct dmapool_client *client);
140 void dmapool_active(PVBUS vbus);
142 /* return 0 if the request is immediately satisfied, non-zero otherwise. */
143 int dmapool_make_order(PVBUS vbus, struct dmapool_order *order);
146 void *dmapool_get_page(PVBUS vbus, BUS_ADDRESS *busaddr);
147 void dmapool_put_page(PVBUS vbus, void *p, BUS_ADDRESS busaddr);
151 HPT_U32 interval; /*microseconds*/
152 HPT_TIME expire_time; /*microseconds*/
153 void (*proc)(void * arg);
155 struct timer_call ** pprev;
156 struct timer_call * next;
159 #define ldm_init_timer(timer) do { (timer)->next=0; (timer)->pprev=0; } while (0)
161 #define INIT_TIMER_CALL(timer, _interval, _proc, _arg) \
163 HPT_ASSERT((timer)->next==0 && (timer)->pprev==0);\
164 (timer)->interval = _interval;\
165 (timer)->proc = _proc;\
166 (timer)->arg = _arg;\
169 void ldm_request_timer(PVBUS vbus, struct timer_call * tc);
170 void ldm_remove_timer(PVBUS vbus, struct timer_call * tc);
171 void ldm_on_timer(PVBUS vbus);
174 typedef struct _LDM_ADAPTER
176 struct _LDM_ADAPTER *next;
180 struct freelist freelist_dev;
181 struct freelist freelist_plugged_dpc;
184 LDM_ADAPTER, *PLDM_ADAPTER;
186 typedef struct _IOCTL_ARG
188 struct list_head link;
190 HPT_U32 dwIoControlCode;
191 HPT_U32 nInBufferSize;
192 HPT_U32 nOutBufferSize;
195 HPT_U32 *lpBytesReturned;
197 void (* done)(struct _IOCTL_ARG *);
198 int result; /* HPT_IOCTL_RESULT_ */
202 #define HPT_IOCTL_RESULT_OK 0
203 #define HPT_IOCTL_RESULT_FAILED (-1)
204 #define HPT_IOCTL_RESULT_INVALID (-2)
205 #define HPT_IOCTL_RESULT_RETRY (-3)
206 #define HPT_IOCTL_RESULT_WRONG_VBUS (-4)
208 void ldm_ioctl( PVBUS vbus, IOCTL_ARG *IAPnt);
209 HPT_U32 ldm_get_device_id(PVDEV vd); /* for ioctl */
210 void ldm_set_rebuild_priority(PVBUS vbus, int priority);
212 #include <dev/rr232x/array.h>
214 typedef struct hpt_raw_disk
217 PRAW_PARTITION raw_part_list;
218 HPT_RAW_LBA max_available_capacity;
219 HPT_RAW_LBA total_available_capacity;
221 HPT_RAW_LBA real_capacity;
222 HPT_RAW_LBA head_position;
224 HPT_U16 max_sectors_per_cmd;
225 HPT_U8 user_select_mode;
227 HPT_U8 uninitialized : 1;
228 HPT_U8 legacy_disk : 1;
230 HPT_U8 v3_format : 1;
231 HPT_U8 need_sync : 1;
232 HPT_U8 reserved1 : 1;
233 HPT_U8 need_check_array : 1;
234 HPT_U8 df_user_mode_set: 1;
236 HPT_U8 df_read_ahead_set: 1;
237 HPT_U8 enable_read_ahead : 1;
238 HPT_U8 df_write_cache_set: 1;
239 HPT_U8 enable_write_cache : 1;
240 HPT_U8 df_tcq_set: 1;
241 HPT_U8 enable_tcq : 1;
242 HPT_U8 df_ncq_set: 1;
243 HPT_U8 enable_ncq : 1;
247 PLDM_ADAPTER adapter;
249 PIDENTIFY_DATA2 identify_data;
252 HPT_RAW_DISK, *PHPT_RAW_DISK;
256 struct vdev_class *next;
259 HPT_U8 stripped; /* RAID0,3,5,6 */
260 HPT_U8 redundancy; /* RAID1-1, RAID3/5-1, RAID6-2 */
261 HPT_U8 must_init; /* RAID3,5,6 */
263 HPT_UINT vbus_ext_size;
264 HPT_UINT vbus_ext_offset; /* used by LDM */
265 HPT_UINT dev_ext_size;
266 HPT_UINT cmd_ext_size;
269 void (*get_mem_info)(PVBUS vbus, void *osext, int phydev_count);
270 void (*queue_cmd)(PCOMMAND cmd);
271 void (*member_failed)(struct _VDEV * vd);
274 void (*initialize)(PVBUS vbus);
275 void (*release)(PVBUS vbus);
276 int (*add)(PVDEV vd);
277 void (*remove)(PVDEV vd);
278 void (*reset)(PVDEV vd);
282 #define VDEV_CLASS_CONSTRUCTOR(type, prefix) { \
285 prefix ## _stripped, \
286 prefix ## _redundancy, \
287 prefix ## _must_init, \
288 prefix ## _vbus_ext_size, \
290 prefix ## _dev_ext_size, \
291 prefix ## _cmd_ext_size, \
292 prefix ## _get_mem_info, \
293 prefix ## _queue_cmd, \
294 prefix ## _member_failed, \
295 prefix ## _initialize, \
296 prefix ## _release, \
303 #define VD_PARTITION 4
305 #define mIsArray(vdev_type) ((vdev_type)>VD_PARTITION)
313 #define MAX_VD_TYPE_ID 9
315 struct vdev_class *ldm_find_vdev_class(HPT_U8 type);
317 typedef struct _VDEV {
323 int cmds_per_request;
328 HPT_PARTITION partition;
333 HPT_UINT vf_online : 1;
334 HPT_UINT vf_bootmark : 1;
335 HPT_UINT vf_bootable : 1;
336 HPT_UINT vf_resetting: 1;
340 HPT_U8 max_queue_depth;
341 HPT_U8 cache_policy; /* see CACHE_POLICY_* */
343 struct list_head link;
344 struct vdev_class *Class;
346 struct list_head cq_wait_send;
347 struct list_head cq_sent;
349 struct task_queue tq_idle;
352 struct list_head cq_wait_lock;
353 struct lock_request *locks_granted;
354 struct lock_request *locks_wait;
359 #define CACHE_POLICY_NONE 0
360 #define CACHE_POLICY_WRITE_THROUGH 1
361 #define CACHE_POLICY_WRITE_BACK 2
364 extern HIM *him_list;
367 void ldm_register_him(PHIM him);
370 void ldm_register_vdev_class(struct vdev_class *Class);
373 HPT_BOOL ldm_register_adapter(PLDM_ADAPTER adapter);
376 int init_config(void);
378 HPT_UINT ldm_get_vbus_size(void);
381 void ldm_create_vbus(PVBUS vbus, void *osext);
384 void ldm_get_mem_info(PVBUS vbus, void *osext);
387 void *ldm_get_vbus_ext(PVBUS vbus, struct vdev_class *Class);
390 PVBUS ldm_get_next_vbus(PVBUS vbus, void **posext);
392 #define ldm_for_each_vbus(vbus, vbus_ext) \
393 for (vbus = ldm_get_next_vbus(0, (void **)(void *)&vbus_ext); vbus; \
394 vbus = ldm_get_next_vbus(vbus, (void **)(void *)&vbus_ext))
397 void ldm_initialize_vbus_async(PVBUS vbus, PLDM_ADAPTER master_adapter, void (*done)(void *osext));
399 /* ldm_initialize_vbus is deprecated since it will hold the CPU too long. */
400 #define ldm_initialize_vbus(vbus, adapter) ldm_initialize_vbus_async(vbus, adapter, 0)
403 void ldm_release_vbus(PVBUS vbus);
405 PVDEV ldm_create_vdev(PVBUS vbus, HPT_U8 type);
406 void ldm_release_vdev(PVDEV vd);
408 PVDEV ldm_find_target(PVBUS vbus, int id);
411 PCOMMAND ldm_alloc_cmds(PVBUS vbus, HPT_UINT cnt);
412 void ldm_free_cmds(PCOMMAND cmd);
414 HPT_UINT ldm_get_cmd_size(void);
415 PCOMMAND ldm_alloc_cmds_from_list(PVBUS vbus, struct freelist *list, HPT_UINT cnt);
416 void ldm_free_cmds_to_list(struct freelist *list, PCOMMAND cmd);
419 PCOMMAND __ldm_alloc_cmd(struct freelist *list);
421 #ifdef OS_SUPPORT_TASK
422 #define CMD_SET_PRIORITY(cmd, pri) cmd->priority = (pri)
424 #define CMD_SET_PRIORITY(cmd, pri)
427 #define CMD_GROUP_GET(grp, cmd) \
429 HPT_ASSERT(grp->freecnt);\
431 grp->grplist->count++;\
432 cmd = __ldm_alloc_cmd(grp->grplist);\
433 cmd->vbus = grp->vbus;\
434 cmd->grplist = grp->grplist;\
435 CMD_SET_PRIORITY(cmd, grp->priority);\
438 #define CMD_GROUP_PUT(grp, cmd) \
441 freelist_put(grp->grplist, cmd);\
442 grp->grplist->count--;\
446 void ldm_queue_cmd(PCOMMAND cmd);
447 void vdev_queue_cmd(PCOMMAND cmd);
448 void ldm_finish_cmd(PCOMMAND cmd);
451 int ldm_acquire_lock(PVDEV vd, struct lock_request *req);
452 void ldm_release_lock(PVDEV vd, struct lock_request *req);
454 void ldm_queue_task(struct task_queue *tq, struct tq_item *t);
455 void ldm_queue_vbus_dpc(PVBUS vbus, struct tq_item *t);
457 HPT_BOOL ldm_intr(PVBUS vbus);
458 void ldm_run(PVBUS vbus);
461 int ldm_reset_vbus(PVBUS vbus);
464 void ldm_suspend(PVBUS vbus);
465 void ldm_resume(PVBUS vbus);
466 void ldm_shutdown(PVBUS vbus);/*shutdown all the controllers*/
469 #define HIM_EVENT_DEVICE_REMOVED 1
470 #define HIM_EVENT_DEVICE_PLUGGED 2
471 #define HIM_EVENT_DEVICE_ERROR 3
472 #define HIM_EVENT_RESET_REQUIRED 4
474 void ldm_event_notify(HPT_U32 event, void *arg1, void *arg2);
476 void ldm_register_device(PVDEV vd);
477 void ldm_unregister_device(PVDEV vd);
479 PVBUS him_handle_to_vbus(void * him_handle);
481 #if defined(__cplusplus)