536 lines
13 KiB
C
536 lines
13 KiB
C
/* $Id: ldm.h,v 1.78 2010/05/10 10:08:46 lcn Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (C) 2005-2011 HighPoint Technologies, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <dev/hptnr/hptnr_config.h>
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#ifndef _HPT_LDM_H_
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#define _HPT_LDM_H_
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#define VERMAGIC_LDM 75
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#define __hpt_set_ver(x, v1, v2, v3, v4, v5) x ## _R_ ## v1 ## _ ## v2 ## _ ## v3 ## _ ## v4 ## _ ## v5
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#define _hpt_set_ver(x, v1, v2, v3, v4, v5) __hpt_set_ver(x, v1, v2, v3, v4, v5)
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#define hpt_set_ver(x) _hpt_set_ver(x, VERMAGIC_OSM, VERMAGIC_HIM, VERMAGIC_LDM, VERMAGIC_ARRAY, MAX_MEMBERS)
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#define ldm_register_him hpt_set_ver(ldm_register_him)
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#define ldm_register_vdev_class hpt_set_ver(ldm_register_vdev_class)
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#define ldm_alloc_cmds hpt_set_ver(ldm_alloc_cmds)
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#ifndef HPT_INTERFACE_VERSION
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#define HPT_INTERFACE_VERSION 0x02010000
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#endif
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#ifndef MAX_PARTITIONS_PER_DISK
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#define MAX_PARTITIONS_PER_DISK 4
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#endif
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#if defined(__MAX_PARTITIONS_PER_DISK) && MAX_PARTITIONS_PER_DISK > __MAX_PARTITIONS_PER_DISK
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#error "Please redefine MAX_PARTITIONS_PER_DISK!!!"
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#endif
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typedef char check_HPT_TIME_is_unsigned[ (HPT_TIME)(-1) > 0 ? 1 : -1 ];
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#define hpt_time_after_eq(a, b) ((int)(a) - (int)(b) >= 0)
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#define hpt_time_after(a, b) ((int)(a) - (int)(b) > 0)
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struct freelist {
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int dma;
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HPT_UINT alignment;
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HPT_UINT count;
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HPT_UINT size;
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void * head;
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struct freelist *next;
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#if DBG
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char *tag;
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HPT_UINT reserved_count;
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#define freelist_debug_tag(list, _tag) (list)->tag = _tag
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#else
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#define freelist_debug_tag(list, _tag)
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#endif
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};
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void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count);
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void *freelist_get(struct freelist *);
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void freelist_put(struct freelist *, void *p);
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void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count);
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void *freelist_get_dma(struct freelist *, BUS_ADDRESS *busaddr);
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void freelist_put_dma(struct freelist *, void *p, BUS_ADDRESS busaddr);
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#define freelist_reserve_with_tag(list, osext, size, count) \
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do {\
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freelist_debug_tag(list, #list " at " __FILE__);\
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freelist_reserve(list, osext, (HPT_UINT)(size), (HPT_UINT)(count));\
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}while(0)
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#define freelist_reserve_dma_with_tag(list, osext, size, alignment, count) \
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do {\
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freelist_debug_tag(list, #list " at " __FILE__);\
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freelist_reserve_dma(list, osext, (HPT_UINT)(size), (HPT_UINT)(alignment), (HPT_UINT)(count));\
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}while(0)
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struct lock_request {
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HPT_U64 start, end;
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struct lock_request *next;
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struct list_head waiters; /* blocked commands */
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struct tq_item callback;
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int lock_cc;
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};
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#define INIT_LOCK_REQUEST(req, _start, _end, _cb, _arg, _cc) \
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do {\
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(req)->next = 0;\
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(req)->start = _start;\
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(req)->end = _end;\
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INIT_TQ_ITEM(&(req)->callback, _cb, _arg);\
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INIT_LIST_HEAD(&(req)->waiters);\
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(req)->lock_cc = _cc;\
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} while (0)
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struct task_queue {
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struct tq_item *head, *tail;
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};
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#define TQ_EMPTY(tq) ((tq)->head==0)
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struct dmapool_order {
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HPT_UINT npages;
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struct tq_item wakeup_fn;
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struct dmapool_order *next;
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};
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struct dmapool_client {
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void * handle;
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HPT_UINT (*shrink)(void *handle, HPT_UINT npages);
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int (*resume)(void *handle);
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struct dmapool_client *next;
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};
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typedef struct _VBUS * PVBUS;
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typedef struct _VDEV * PVDEV;
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void dmapool_register_client(PVBUS vbus, struct dmapool_client *client);
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void dmapool_active(PVBUS vbus);
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/* return 0 if the request is immediately satisfied, non-zero otherwise. */
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int dmapool_make_order(PVBUS vbus, struct dmapool_order *order);
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void *dmapool_get_page(PVBUS vbus, BUS_ADDRESS *busaddr);
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void *dmapool_get_page_at(PVBUS vbus, void *p, BUS_ADDRESS *busaddr);
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void dmapool_put_page(PVBUS vbus, void *p, BUS_ADDRESS busaddr);
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void dmapool_init(PVBUS vbus);
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HPT_UINT dmapool_max_class_pages(PVBUS vbus);
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struct timer_call {
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HPT_U32 interval; /*microseconds*/
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HPT_TIME expire_time; /*microseconds*/
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void (*proc)(void * arg);
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void * arg;
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struct timer_call ** pprev;
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struct timer_call * next;
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};
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#define ldm_init_timer(timer) do { (timer)->next=0; (timer)->pprev=0; } while (0)
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#define INIT_TIMER_CALL(timer, _interval, _proc, _arg) \
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do { \
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HPT_ASSERT((timer)->next==0 && (timer)->pprev==0);\
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(timer)->interval = _interval;\
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(timer)->proc = _proc;\
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(timer)->arg = _arg;\
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} while(0)
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void ldm_request_timer(PVBUS vbus, struct timer_call * tc);
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void ldm_remove_timer(PVBUS vbus, struct timer_call * tc);
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void ldm_on_timer(PVBUS vbus);
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typedef struct _LDM_ADAPTER
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{
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struct _LDM_ADAPTER *next;
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HIM *him;
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void *him_handle;
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PVBUS vbus;
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struct freelist freelist_dev;
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int devid_start;
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struct freelist freelist_plugged_dpc;
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HPT_BOOL master;
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}
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LDM_ADAPTER, *PLDM_ADAPTER;
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typedef struct _IOCTL_ARG
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{
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struct list_head link;
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PVBUS vbus;
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HPT_U32 dwIoControlCode;
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HPT_U32 nInBufferSize;
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HPT_U32 nOutBufferSize;
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void * lpInBuffer;
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void * lpOutBuffer;
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HPT_U32 *lpBytesReturned;
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void * ioctl_cmnd;
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void (* done)(struct _IOCTL_ARG *);
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int result; /* HPT_IOCTL_RESULT_ */
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struct tq_item dpc;
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} IOCTL_ARG;
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#define HPT_IOCTL_RESULT_OK 0
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#define HPT_IOCTL_RESULT_FAILED (-1)
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#define HPT_IOCTL_RESULT_INVALID (-2)
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#define HPT_IOCTL_RESULT_RETRY (-3)
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#define HPT_IOCTL_RESULT_WRONG_VBUS (-4)
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void ldm_ioctl( PVBUS vbus, IOCTL_ARG *IAPnt);
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void ldm_set_autorebuild(PVBUS vbus, int enable);
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HPT_U32 ldm_get_device_id(PVDEV vd); /* for ioctl */
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#ifndef __HPT_RAW_LBA
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#define __HPT_RAW_LBA HPT_RAW_LBA
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#endif
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#include <dev/hptnr/array.h>
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typedef struct hpt_raw_disk
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{
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#ifdef SUPPORT_ARRAY
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PRAW_PARTITION raw_part_list;
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__HPT_RAW_LBA max_available_capacity;
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__HPT_RAW_LBA total_available_capacity;
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#endif
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__HPT_RAW_LBA real_capacity;
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__HPT_RAW_LBA head_position;
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HPT_U32 logical_sector_size;
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HPT_U8 logicalsectors_per_physicalsector;
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HPT_U16 lowest_aligned;
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HPT_U16 max_sectors_per_cmd;
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HPT_U8 max_queue_depth;
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HPT_U8 user_select_mode;
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HPT_UINT uninitialized : 1;
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HPT_UINT legacy_disk : 1;
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HPT_UINT is_spare : 1;
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HPT_UINT v3_format : 1;
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HPT_UINT need_sync : 1;
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HPT_UINT temp_spare : 1;
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HPT_UINT need_check_array : 1;
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HPT_UINT df_user_mode_set: 1;
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HPT_UINT df_read_ahead_set: 1;
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HPT_UINT enable_read_ahead : 1;
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HPT_UINT df_write_cache_set: 1;
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HPT_UINT enable_write_cache : 1;
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HPT_UINT df_tcq_set: 1;
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HPT_UINT enable_tcq : 1;
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HPT_UINT df_ncq_set: 1;
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HPT_UINT enable_ncq : 1;
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HPT_UINT bad_sector : 1;
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HPT_UINT df_sas : 1;
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HIM * him;
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int index;
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PLDM_ADAPTER adapter;
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void * phy_dev;
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char model[40];
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struct tq_item reset_dpc;
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int reset_pending;
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struct tq_item fail_dpc;
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int fail_pending;
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}
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HPT_RAW_DISK, *PHPT_RAW_DISK;
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struct vdev_class
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{
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struct vdev_class *next;
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HPT_U8 __type;
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HPT_U8 stripped; /* RAID0,3,5,6 */
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HPT_U8 redundancy; /* RAID1-1, RAID3/5-1, RAID6-2 */
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HPT_U8 must_init; /* RAID3,5,6 */
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HPT_U8 docache;
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HPT_UINT vbus_ext_size;
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HPT_UINT vbus_ext_offset; /* used by LDM */
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HPT_UINT dev_ext_size;
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HPT_UINT cmd_ext_size;
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void (*get_mem_info)(PVBUS vbus, void *osext, int phydev_count);
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void (*queue_cmd)(PCOMMAND cmd);
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void (*member_failed)(struct _VDEV * vd);
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void (*initialize)(PVBUS vbus);
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void (*release)(PVBUS vbus);
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int (*add)(PVDEV vd);
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void (*remove)(PVDEV vd);
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void (*reset)(PVDEV vd);
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void (*sync_stamp)(PVDEV vd);
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int (*support_type)(int type);
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};
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#define VDEV_CLASS_CONSTRUCTOR(type, prefix) { \
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0, \
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type, \
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prefix ## _stripped, \
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prefix ## _redundancy, \
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prefix ## _must_init, \
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0, \
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(HPT_UINT)(prefix ## _vbus_ext_size), \
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0, \
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(HPT_UINT)(prefix ## _dev_ext_size), \
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(HPT_UINT)(prefix ## _cmd_ext_size), \
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prefix ## _get_mem_info, \
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prefix ## _queue_cmd, \
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prefix ## _member_failed, \
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prefix ## _initialize, \
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prefix ## _release, \
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prefix ## _add, \
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prefix ## _remove, \
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prefix ## _reset, \
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prefix ## _sync_stamp, \
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0 \
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}
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#define VD_RAW 1
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#define VD_PARTITION 4
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#define mIsArray(vdev_type) ((vdev_type)>VD_PARTITION)
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#define VD_RAID0 5
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#define VD_RAID1 6
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#define VD_JBOD 7
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#define VD_RAID5 8
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#define VD_RAID6 9
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#define VD_RAID3 10
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#define VD_RAID4 11
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#define VD_RAID1E 12
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#define MAX_VD_TYPE_ID 12
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struct vdev_class *ldm_find_vdev_class(HPT_U8 type);
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typedef struct _VDEV {
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PVBUS vbus;
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struct vdev_class *Class;
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HPT_U8 type;
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PVDEV parent;
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void * ext;
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HPT_U64 capacity;
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int target_id;
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HPT_UINT cmds_per_request;
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union {
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#ifdef SUPPORT_ARRAY
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HPT_ARRAY array;
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HPT_PARTITION partition;
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#endif
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HPT_RAW_DISK raw;
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} u;
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HPT_U8 vf_online : 1;
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HPT_U8 vf_bootmark : 1;
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HPT_U8 vf_bootable : 1;
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HPT_U8 vf_resetting: 1;
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HPT_U8 vf_quiesced: 1;
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HPT_U8 vf_clslock: 1;
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HPT_U8 cache_policy; /* see CACHE_POLICY_* */
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HPT_UINT cq_len;
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HPT_UINT cmds_sent;
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struct list_head link;
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struct list_head cq_wait_send;
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struct list_head cq_sent;
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HPT_U32 last_active;
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int cq_priority;
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struct list_head cq_wait_lock;
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struct lock_request *locks_granted;
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struct lock_request *locks_wait;
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HPT_U32 ioctl_id;
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void * cc_ext;
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}
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VDEV;
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#define CACHE_POLICY_NONE 0
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#define CACHE_POLICY_WRITE_THROUGH 1
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#define CACHE_POLICY_WRITE_BACK 2
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extern HIM *him_list;
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void ldm_register_him(PHIM him);
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void ldm_register_vdev_class(struct vdev_class *Class);
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HPT_BOOL ldm_register_adapter(PLDM_ADAPTER adapter);
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int init_config(void);
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HPT_UINT ldm_get_vbus_size(void);
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void ldm_create_vbus(PVBUS vbus, void *osext);
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void ldm_get_mem_info(PVBUS vbus, void *osext);
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void *ldm_get_vbus_ext(PVBUS vbus, struct vdev_class *Class);
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PVBUS ldm_get_next_vbus(PVBUS vbus, void **posext);
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#define ldm_for_each_vbus(vbus, vbus_ext) \
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for (vbus = ldm_get_next_vbus(0, (void **)(void *)&vbus_ext); vbus; \
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vbus = ldm_get_next_vbus(vbus, (void **)(void *)&vbus_ext))
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void ldm_initialize_vbus_async(PVBUS vbus, PLDM_ADAPTER master_adapter, void (*done)(void *osext));
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/* ldm_initialize_vbus is deprecated since it will hold the CPU too long. */
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#define ldm_initialize_vbus(vbus, adapter) ldm_initialize_vbus_async(vbus, adapter, 0)
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void ldm_release_vbus(PVBUS vbus);
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PVDEV ldm_create_vdev(PVBUS vbus, HPT_U8 type);
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void ldm_release_vdev(PVDEV vd);
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PVDEV ldm_find_target(PVBUS vbus, int id);
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PVDEV ldm_find_stamp(PVBUS vbus, HPT_U32 stamp, int seq);
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PCOMMAND ldm_alloc_cmds(PVBUS vbus, HPT_UINT cnt);
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void ldm_free_cmds(PCOMMAND cmd);
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HPT_UINT ldm_get_cmd_size(void);
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PCOMMAND ldm_alloc_cmds_from_list(PVBUS vbus, struct freelist *list, HPT_UINT cnt);
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void ldm_free_cmds_to_list(struct freelist *list, PCOMMAND cmd);
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PCOMMAND __ldm_alloc_cmd(struct freelist *list);
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#ifdef OS_SUPPORT_TASK
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#define CMD_SET_PRIORITY(cmd, pri) cmd->priority = (pri)
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#else
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#define CMD_SET_PRIORITY(cmd, pri)
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#endif
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#define CMD_GROUP_GET(grp, cmd) \
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do {\
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grp->grplist->count++;\
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cmd = __ldm_alloc_cmd(grp->grplist);\
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cmd->vbus = grp->vbus;\
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cmd->grplist = grp->grplist;\
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CMD_SET_PRIORITY(cmd, grp->priority);\
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} while(0)
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#define CMD_GROUP_PUT(grp, cmd) \
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do {\
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freelist_put(grp->grplist, cmd);\
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grp->grplist->count--;\
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} while (0)
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void ldm_queue_cmd(PCOMMAND cmd);
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void vdev_queue_cmd(PCOMMAND cmd);
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void ldm_finish_cmd(PCOMMAND cmd);
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int ldm_acquire_lock(PVDEV vd, struct lock_request *req);
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void ldm_release_lock(PVDEV vd, struct lock_request *req);
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void ldm_queue_task(struct task_queue *tq, struct tq_item *t);
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void ldm_queue_vbus_dpc(PVBUS vbus, struct tq_item *t);
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HPT_BOOL ldm_intr(PVBUS vbus);
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void ldm_run(PVBUS vbus);
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int ldm_idle(PVBUS vbus);
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int ldm_reset_vbus(PVBUS vbus);
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void ldm_suspend(PVBUS vbus);
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void ldm_resume(PVBUS vbus);
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LDM_ADAPTER *ldm_resume_adapter(PVBUS vbus, PLDM_ADAPTER ldm_adapter);
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void ldm_shutdown(PVBUS vbus);/*shutdown all the controllers*/
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#define HIM_EVENT_DEVICE_REMOVED 1
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#define HIM_EVENT_DEVICE_PLUGGED 2
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#define HIM_EVENT_DEVICE_ERROR 3
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#define HIM_EVENT_RESET_REQUIRED 4
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#define HIM_EVENT_QUIESCE_DEVICE 5
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#define HIM_EVENT_UNQUIESCE_DEVICE 6
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#define HIM_EVENT_CONFIG_CHANGED 7
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void ldm_event_notify(HPT_U32 event, void *arg1, void *arg2);
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void log_sector_repair(PVDEV vd, int success, HPT_LBA lba, HPT_U16 nsectors);
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void ldm_register_device(PVDEV vd);
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void ldm_unregister_device(PVDEV vd);
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PVBUS him_handle_to_vbus(void * him_handle);
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void ldm_ide_fixstring (HPT_U8 *s, const int bytecount);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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