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author | tuexen <tuexen@9df1edf5-d72c-5b5f-11c0-5f5209eb73f7> | 2011-11-01 23:02:02 +0000 |
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committer | tuexen <tuexen@9df1edf5-d72c-5b5f-11c0-5f5209eb73f7> | 2011-11-01 23:02:02 +0000 |
commit | af04b47a7f4dc9983eff3a9a195dbb0a03a47ff9 (patch) | |
tree | 7fa91719670419014e4b81a17094fd62833563c9 /usrsctplib/user_uma.h | |
parent | f45025ce8d63ddb09b11d6adde9be6cb083a2611 (diff) | |
download | usrsctp-af04b47a7f4dc9983eff3a9a195dbb0a03a47ff9.tar.gz |
Add files.
Diffstat (limited to 'usrsctplib/user_uma.h')
-rwxr-xr-x | usrsctplib/user_uma.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/usrsctplib/user_uma.h b/usrsctplib/user_uma.h new file mode 100755 index 00000000..91986922 --- /dev/null +++ b/usrsctplib/user_uma.h @@ -0,0 +1,67 @@ +/* __Userspace__ */ +#include <sys/queue.h> + +#define UMA_ZFLAG_FULL 0x40000000 /* Reached uz_maxpages */ +#define UMA_ALIGN_PTR (sizeof(void *) - 1) /* Alignment fit for ptr */ + +/* __Userspace__ All these definitions will change for +userspace Universal Memory Allocator (UMA). These are included +for reference purposes and to avoid compile errors for the time being. +*/ +typedef int (*uma_ctor)(void *mem, int size, void *arg, int flags); +typedef void (*uma_dtor)(void *mem, int size, void *arg); +typedef int (*uma_init)(void *mem, int size, int flags); +typedef void (*uma_fini)(void *mem, int size); +typedef struct uma_zone * uma_zone_t; +typedef struct uma_keg * uma_keg_t; + +struct uma_cache { + int stub; /* TODO __Userspace__ */ +}; + +struct uma_keg { + int stub; /* TODO __Userspace__ */ +}; + +struct uma_zone { + char *uz_name; /* Text name of the zone */ + struct mtx *uz_lock; /* Lock for the zone (keg's lock) */ + uma_keg_t uz_keg; /* Our underlying Keg */ + + LIST_ENTRY(uma_zone) uz_link; /* List of all zones in keg */ + LIST_HEAD(,uma_bucket) uz_full_bucket; /* full buckets */ + LIST_HEAD(,uma_bucket) uz_free_bucket; /* Buckets for frees */ + + uma_ctor uz_ctor; /* Constructor for each allocation */ + uma_dtor uz_dtor; /* Destructor */ + uma_init uz_init; /* Initializer for each item */ + uma_fini uz_fini; /* Discards memory */ + + u_int64_t uz_allocs; /* Total number of allocations */ + u_int64_t uz_frees; /* Total number of frees */ + u_int64_t uz_fails; /* Total number of alloc failures */ + uint16_t uz_fills; /* Outstanding bucket fills */ + uint16_t uz_count; /* Highest value ub_ptr can have */ + + /* + * This HAS to be the last item because we adjust the zone size + * based on NCPU and then allocate the space for the zones. + */ + struct uma_cache uz_cpu[1]; /* Per cpu caches */ +}; + +/* Prototype */ +uma_zone_t +uma_zcreate(char *name, size_t size, uma_ctor ctor, uma_dtor dtor, + uma_init uminit, uma_fini fini, int align, u_int32_t flags); + + +#define uma_zone_set_max(zone, number) /* stub TODO __Userspace__ */ + +uma_zone_t +uma_zcreate(char *name, size_t size, uma_ctor ctor, uma_dtor dtor, + uma_init uminit, uma_fini fini, int align, u_int32_t flags) +{ + return NULL; /* stub TODO __Userspace__. Also place implementation in a separate .c file */ + +} |