diff options
Diffstat (limited to 'sys/contrib/octeon-sdk/cvmx-zone.c')
| -rw-r--r-- | sys/contrib/octeon-sdk/cvmx-zone.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/sys/contrib/octeon-sdk/cvmx-zone.c b/sys/contrib/octeon-sdk/cvmx-zone.c deleted file mode 100644 index aa65bbcc2e4a..000000000000 --- a/sys/contrib/octeon-sdk/cvmx-zone.c +++ /dev/null @@ -1,173 +0,0 @@ -/***********************license start*************** - * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights - * reserved. - * - * - * Redistribution and use in source and binary forms, with or without - * 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 notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - - * * Neither the name of Cavium Inc. nor the names of - * its contributors may be used to endorse or promote products - * derived from this software without specific prior written - * permission. - - * This Software, including technical data, may be subject to U.S. export control - * laws, including the U.S. Export Administration Act and its associated - * regulations, and may be subject to export or import regulations in other - * countries. - - * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" - * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR - * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO - * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR - * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM - * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, - * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF - * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR - * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR - * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. - ***********************license end**************************************/ - - - - - - - -/** - * @file - * - * Support library for the Zone Allocator. - * - * <hr>$Revision: 70030 $<hr> - */ - - -#include "cvmx-config.h" -#include "cvmx.h" -#include "cvmx-spinlock.h" -#include "cvmx-malloc.h" - - - - -#ifndef CVMX_BUILD_FOR_LINUX_USER -cvmx_zone_t cvmx_zone_create_from_addr(char *name, uint32_t elem_size, uint32_t num_elem, - void* mem_ptr, uint64_t mem_size, uint32_t flags) -{ - cvmx_zone_t zone; - unsigned int i; - - if ((unsigned long)mem_ptr & (sizeof(void *) -1)) - { - return(NULL); //invalid alignment - } - if (mem_size < sizeof(struct cvmx_zone) + elem_size * num_elem) - { - return(NULL); // not enough room - } - - zone = (cvmx_zone_t) ((char *)mem_ptr + elem_size * num_elem); - zone->elem_size = elem_size; - zone->num_elem = num_elem; - zone->name = name; - zone->align = 0; // not used - zone->baseptr = NULL; - zone->freelist = NULL; - zone->lock.value = CVMX_SPINLOCK_UNLOCKED_VAL; - - zone->baseptr = (char *)mem_ptr; - - for(i=0;i<num_elem;i++) - { - *(void **)(zone->baseptr + (i*elem_size)) = zone->freelist; - zone->freelist = (void *)(zone->baseptr + (i*elem_size)); - } - - return(zone); - -} - -cvmx_zone_t cvmx_zone_create_from_arena(char *name, uint32_t elem_size, uint32_t num_elem, uint32_t align, cvmx_arena_list_t arena_list, uint32_t flags) -{ - unsigned int i; - cvmx_zone_t zone; - - zone = (cvmx_zone_t)cvmx_malloc(arena_list, sizeof(struct cvmx_zone)); - - if (NULL == zone) - { - return(NULL); - } - zone->elem_size = elem_size; - zone->num_elem = num_elem; - zone->name = name; - zone->align = align; - zone->baseptr = NULL; - zone->freelist = NULL; - zone->lock.value = CVMX_SPINLOCK_UNLOCKED_VAL; - - zone->baseptr = (char *)cvmx_memalign(arena_list, align, num_elem * elem_size); - if (NULL == zone->baseptr) - { - return(NULL); - } - - for(i=0;i<num_elem;i++) - { - *(void **)(zone->baseptr + (i*elem_size)) = zone->freelist; - zone->freelist = (void *)(zone->baseptr + (i*elem_size)); - } - - return(zone); - -} -#endif - - - -void * cvmx_zone_alloc(cvmx_zone_t zone, uint32_t flags) -{ - cvmx_zone_t item; - - assert(zone != NULL); - assert(zone->baseptr != NULL); - cvmx_spinlock_lock(&zone->lock); - - item = (cvmx_zone_t)zone->freelist; - if(item != NULL) - { - zone->freelist = *(void **)item; - } - else - { -// cvmx_dprintf("No more elements in zone %s\n", zone->name); - } - - cvmx_spinlock_unlock(&zone->lock); - return(item); -} - -void cvmx_zone_free(cvmx_zone_t zone, void *ptr) -{ - - assert(zone != NULL); - assert(zone->baseptr != NULL); - assert((unsigned long)ptr - (unsigned long)zone->baseptr < zone->num_elem * zone->elem_size); - - cvmx_spinlock_lock(&zone->lock); - *(void **)ptr = zone->freelist; - zone->freelist = ptr; - cvmx_spinlock_unlock(&zone->lock); -} - - |