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/*
* Copyright (c) 2003-2004 HighPoint Technologies, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifdef _RAID5N_
/* OS provided function, call only at initialization time */
extern void * HPTLIBAPI os_alloc_page(_VBUS_ARG0); /* may be cached memory */
extern void * HPTLIBAPI os_alloc_dma_page(_VBUS_ARG0); /* must be non-cached memory */
/* implement if the driver can be unloaded */
void HPTLIBAPI os_free_page(_VBUS_ARG void *p);
void HPTLIBAPI os_free_dma_page(_VBUS_ARG void *p);
typedef void (* HPTLIBAPI xfer_done_fn)(_VBUS_ARG void *tag, int result);
#define DATAXFER_STACK_VAR
#define DATAXFER_INIT_ARG 0
#define dataxfer_init(arg) 0
#define dataxfer_add_item(handle, host, cache, bytes, tocache) \
if (tocache) memcpy((PUCHAR)(cache), (PUCHAR)(host), bytes); \
else memcpy((PUCHAR)(host), (PUCHAR)(cache), bytes)
#define dataxfer_exec(handle, done, tag) done(_VBUS_P tag, 0)
#define dataxfer_poll()
typedef void (* HPTLIBAPI xor_done_fn)(_VBUS_ARG void *tag, int result);
#define XOR_STACK_VAR
#define XOR_INIT_ARG 0
/* DoXor1, DoXor2 provided by platform dependent code */
void HPTLIBAPI DoXor1(ULONG *p0, ULONG *p1, ULONG *p2, UINT nBytes);
void HPTLIBAPI DoXor2(ULONG *p0, ULONG *p2, UINT nBytes);
#define max_xor_way 2
#define xor_init(arg) 0
#define xor_add_item(handle, dest, src, nsrc, bytes) \
do {\
if (((void**)src)[0]==dest)\
DoXor2((PULONG)(dest), ((PULONG *)src)[1], bytes);\
else\
DoXor1((PULONG)(dest), ((PULONG *)src)[0], ((PULONG *)src)[1], bytes);\
} while(0)
#define xor_exec(handle, done, tag) done(_VBUS_P tag, 0)
#define xor_poll()
/* set before calling init_raid5_memory */
extern UINT num_raid5_pages;
/* called by init.c */
extern void HPTLIBAPI init_raid5_memory(_VBUS_ARG0);
extern void HPTLIBAPI free_raid5_memory(_VBUS_ARG0);
/* asynchronous flush, may be called periodly */
extern void HPTLIBAPI flush_stripe_cache(_VBUS_ARG0);
extern void HPTLIBAPI flush_raid5_async(PVDevice pArray, DPC_PROC done, void *arg);
/* synchronous function called at shutdown */
extern int HPTLIBAPI flush_raid5(PVDevice pArray);
extern void HPTLIBAPI raid5_free(_VBUS_ARG PVDevice pArray);
struct free_heap_block {
struct free_heap_block *next;
};
#ifndef LIST_H_INCLUDED
struct list_head {
struct list_head *next, *prev;
};
#endif
struct free_page {
struct free_page *link;
};
struct r5_global_data {
int enable_write_back;
struct list_head inactive_list;
struct list_head dirty_list;
struct list_head active_list;
#ifdef R5_CONTIG_CACHE
BUS_ADDR page_base_phys;
PUCHAR page_base_virt;
PUCHAR page_current;
#endif
struct free_heap_block *free_heap_slots[8];
struct free_page *free_pages;
UINT num_free_pages;
UINT active_stripes;
UINT num_flushing;
PCommand cache_wait_list;
};
#endif
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