/* BEGIN_ICS_COPYRIGHT5 ****************************************
Copyright (c) 2015-2020, Intel Corporation
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modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
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* Neither the name of Intel Corporation nor the names of its contributors
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* ** END_ICS_COPYRIGHT5 ****************************************/
/***********************************************************************
*
* FILE NAME
* vs_pool_common.c
*
* DESCRIPTION
* This file contains vs_pool common routines.
*
* DATA STRUCTURES
*
* FUNCTIONS
*
* DEPENDENCIES
*
*
* HISTORY
*
* NAME DATE REMARKS
* DKJ 03/06/02 Initial creation of file.
* DKJ 03/26/02 LINT cleanup
* DKJ 04/01/02 PR1676. OS API 2.0g updates
***********************************************************************/
#include <cs_g.h>
#include "cs_log.h"
#define function __FUNCTION__
#ifdef LOCAL_MOD_ID
#undef LOCAL_MOD_ID
#endif
#define LOCAL_MOD_ID VIEO_CS_MOD_ID
extern Status_t vs_implpool_create (Pool_t *, uint32_t,
unsigned char *, void *, size_t);
extern Status_t vs_implpool_delete (Pool_t *);
extern Status_t vs_implpool_alloc (Pool_t *, size_t, void **);
extern Status_t vs_implpool_free (Pool_t *, void *);
extern Status_t vs_implpool_size (Pool_t *, uint64_t *);
#define VSPOOL_MAGIC ((uint32_t) 0xDCADFEEDU)
/**********************************************************************
*
* FUNCTION
* vs_pool_create
*
* DESCRIPTION
* Does fundamental common validation for vs_pool_create
* parameters and invokes environment specific implmentation.
*
* INPUTS
*
* OUTPUTS
* Status_t - On success VSTATUS_OK is returned, otherwise
* the cause of the error.
*
*
* HISTORY
*
* NAME DATE REMARKS
* DKJ 03/07/02 Initial creation of function.
* DKJ 03/21/02 Updated prototype
**********************************************************************/
Status_t
vs_pool_create (Pool_t * handle, uint32_t options,
unsigned char * name, void *address, size_t size)
{
Status_t rc;
size_t namesize;
const uint32_t valid_options = 0;
IB_ENTER (function, (unint) handle, options, (unint) address,
(uint32_t) size);
if (handle == 0)
{
IB_LOG_ERROR0 ("handle is null");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
(void) memset (handle, 0, sizeof (Pool_t));
#if USE_POOL_LOCK
rc = vs_lock_init (&handle->lock, VLOCK_LOCKED, VLOCK_THREAD);
if (rc != VSTATUS_OK)
{
IB_LOG_ERRORRC("vs_lock_init failed rc:", rc);
IB_EXIT (function, VSTATUS_NOMEM);
return VSTATUS_NOMEM;
}
#endif /* USE_POOL_LOCK */
if (name == 0)
{
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
(void) vs_lock_delete (&handle->lock);
#endif /* USE_POOL_LOCK */
IB_LOG_ERROR0 ("name is null");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
for (namesize = (size_t) 0U; namesize < sizeof (handle->name); namesize++)
{
handle->name[namesize] = name[namesize];
if (name[namesize] == (unsigned char) 0x00U)
{
break;
}
}
if (namesize >= sizeof (handle->name))
{
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
(void) vs_lock_delete (&handle->lock);
#endif /* USE_POOL_LOCK */
IB_LOG_ERROR0 ("name doesn't contain a terminator");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
if ((options & ~valid_options) != (uint32_t) 0x00U)
{
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
(void) vs_lock_delete (&handle->lock);
#endif /* USE_POOL_LOCK */
IB_LOG_ERROR ("Invalid options specified: ", options);
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
handle->options = options;
if (size == (size_t) 0x00U)
{
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
(void) vs_lock_delete (&handle->lock);
#endif /* USE_POOL_LOCK */
IB_LOG_ERROR0 ("Pool size is zero");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
#ifdef __VXWORKS__
/* cap size on VxWorks only */
if (size > (size_t) 0xFFFFFFF0U)
{
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
(void) vs_lock_delete (&handle->lock);
#endif /* USE_POOL_LOCK */
IB_LOG_ERROR ("Pool size is too big: high:", (uint32_t) (size));
IB_LOG_ERROR ("Pool size is too big: low:", (uint32_t) (size));
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
#endif
handle->pagesize = vs_pool_page_size ();
if ((options & VMEM_PAGE) == VMEM_PAGE)
{
if (size < handle->pagesize)
{
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
(void) vs_lock_delete (&handle->lock);
#endif /* USE_POOL_LOCK */
IB_LOG_ERROR ("size is less than pagesize:", size);
IB_EXIT (function, VSTATUS_NOMEM);
return VSTATUS_NOMEM;
}
}
rc = vs_implpool_create (handle, options, name, address, size);
if (rc == VSTATUS_OK)
{
handle->magic = VSPOOL_MAGIC;
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
#endif /* USE_POOL_LOCK */
}
else
{
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
(void) vs_lock_delete (&handle->lock);
#endif /* USE_POOL_LOCK */
}
IB_EXIT (function, rc);
return rc;
}
/**********************************************************************
*
* FUNCTION
* vs_pool_delete
*
* DESCRIPTION
* Does fundamental common validation for vs_pool_delete
* parameters and invokes environment specific implmentation.
*
* INPUTS
*
* OUTPUTS
* Status_t - On success VSTATUS_OK is returned, otherwise
* the cause of the error.
*
*
* HISTORY
*
* NAME DATE REMARKS
* DKJ 03/07/02 Initial creation of function.
**********************************************************************/
Status_t
vs_pool_delete (Pool_t * handle)
{
Status_t rc;
IB_ENTER (function, (unint) handle, (uint32_t) 0U, (uint32_t) 0U,
(uint32_t) 0U);
if (handle == 0)
{
IB_LOG_ERROR0 ("handle is null");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
if (handle->magic != VSPOOL_MAGIC)
{
IB_LOG_ERRORX ("invalid handle magic:", handle->magic);
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
#if USE_POOL_LOCK
rc = vs_lock (&handle->lock);
if (rc != VSTATUS_OK)
{
IB_LOG_ERRORRC("vs_lock failed rc:", rc);
IB_EXIT (function, VSTATUS_NXIO);
return VSTATUS_NXIO;
}
#endif /* USE_POOL_LOCK */
rc = vs_implpool_delete (handle);
if (rc == VSTATUS_OK)
{
handle->magic = ~VSPOOL_MAGIC;
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
(void) vs_lock_delete (&handle->lock);
#endif /* USE_POOL_LOCK */
}
else
{
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
#endif /* USE_POOL_LOCK */
}
(void) memset (handle, 0, sizeof (Pool_t));
IB_EXIT (function, rc);
return rc;
}
/**********************************************************************
*
* FUNCTION
* vs_pool_alloc
*
* DESCRIPTION
* Does fundamental common validation for vs_pool_alloc
* parameters and invokes environment specific implmentation.
*
* INPUTS
*
* OUTPUTS
* Status_t - On success VSTATUS_OK is returned, otherwise
* the cause of the error.
*
*
* HISTORY
*
* NAME DATE REMARKS
* DKJ 03/07/02 Initial creation of function.
**********************************************************************/
Status_t
vs_pool_alloc (Pool_t * handle, size_t length, void **loc)
{
Status_t rc;
IB_ENTER (function, (unint) handle, (uint32_t) length, (unint) loc,
(uint32_t) 0U);
if (handle == 0)
{
IB_LOG_ERROR0 ("handle is null");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
if (handle->magic != VSPOOL_MAGIC)
{
IB_LOG_ERRORX ("invalid handle magic:", handle->magic);
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
if (loc == 0)
{
IB_LOG_ERROR0 ("loc is null");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
if (length == (size_t) 0x00U)
{
IB_LOG_ERROR0 ("length is zero");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
#if USE_POOL_LOCK
rc = vs_lock (&handle->lock);
if (rc != VSTATUS_OK)
{
IB_LOG_ERRORRC("vs_lock failed rc:", rc);
IB_EXIT (function, VSTATUS_NXIO);
return VSTATUS_NXIO;
}
#endif /* USE_POOL_LOCK */
rc = vs_implpool_alloc (handle, length, loc);
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
#endif /* USE_POOL_LOCK */
IB_EXIT (function, rc);
return rc;
}
/**********************************************************************
*
* FUNCTION
* vs_pool_free
*
* DESCRIPTION
* Does fundamental common validation for vs_pool_free
* parameters and invokes environment specific implmentation.
*
* INPUTS
*
* OUTPUTS
* Status_t - On success VSTATUS_OK is returned, otherwise
* the cause of the error.
*
*
* HISTORY
*
* NAME DATE REMARKS
* DKJ 03/07/02 Initial creation of function.
**********************************************************************/
Status_t
vs_pool_free (Pool_t * handle, void *loc)
{
Status_t rc;
IB_ENTER (function, (unint) handle, (unint) loc, (uint32_t) 0U,
(uint32_t) 0U);
if (handle == 0)
{
IB_LOG_ERROR0 ("handle is null");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
if (handle->magic != VSPOOL_MAGIC)
{
IB_LOG_ERRORX ("invalid handle magic:", handle->magic);
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
if (loc == 0)
{
IB_LOG_ERROR0 ("loc is null");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
#if USE_POOL_LOCK
rc = vs_lock (&handle->lock);
if (rc != VSTATUS_OK)
{
IB_LOG_ERRORRC("vs_lock failed rc:", rc);
IB_EXIT (function, VSTATUS_NXIO);
return VSTATUS_NXIO;
}
#endif /* USE_POOL_LOCK */
rc = vs_implpool_free (handle, loc);
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
#endif /* USE_POOL_LOCK */
IB_EXIT (function, rc);
return rc;
}
/**********************************************************************
*
* FUNCTION
* vs_pool_size
*
* DESCRIPTION
* Does fundamental common validation for vs_pool_size
* parameters and invokes environment specific implmentation.
*
* INPUTS
*
* OUTPUTS
* number of bytes allocated from pool.
**********************************************************************/
Status_t
vs_pool_size (Pool_t * handle, uint64_t *numBytesAlloc)
{
Status_t rc;
IB_ENTER (function, (unint) handle, 0, 0, 0);
if (handle == 0)
{
IB_LOG_ERROR0 ("handle is null");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
if (handle->magic != VSPOOL_MAGIC)
{
IB_LOG_ERRORX ("invalid handle magic:", handle->magic);
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
if (numBytesAlloc == 0)
{
IB_LOG_ERROR0 ("numBytesAlloc is null");
IB_EXIT (function, VSTATUS_ILLPARM);
return VSTATUS_ILLPARM;
}
#if USE_POOL_LOCK
rc = vs_lock (&handle->lock);
if (rc != VSTATUS_OK)
{
IB_LOG_ERRORRC("vs_lock failed rc:", rc);
*numBytesAlloc = 0;
IB_EXIT (function, VSTATUS_NXIO);
return VSTATUS_NXIO;
}
#endif /* USE_POOL_LOCK */
rc = vs_implpool_size (handle, numBytesAlloc);
#if USE_POOL_LOCK
(void) vs_unlock (&handle->lock);
#endif /* USE_POOL_LOCK */
IB_EXIT (function, rc);
return rc;
}