-/*
+/*
*------------------------------------------------------------------
- * svm.h - shared VM allocation, mmap(...MAP_FIXED...)
+ * svm.h - shared VM allocation, mmap(...MAP_FIXED...)
* brain police
*
* Copyright (c) 2009 Cisco and/or its affiliates.
#define MMAP_PAGESIZE (clib_mem_get_page_size())
-#define SVM_VERSION ((1<<16) | 1) /* set to declare region ready. */
-
-#define SVM_FLAGS_MHEAP (1<<0) /* region contains an mheap */
-#define SVM_FLAGS_FILE (1<<1) /* region backed by one or more files */
-#define SVM_FLAGS_NODATA (1<<2) /* region will be further subdivided */
-#define SVM_FLAGS_NEED_DATA_INIT (1<<3)
-
-#define SVM_PVT_MHEAP_SIZE (128<<10) /* region's private mheap (128k) */
-
-typedef struct svm_region_ {
- volatile uword version;
- pthread_mutex_t mutex;
- pthread_cond_t condvar;
- int mutex_owner_pid; /* in case of trouble */
- int mutex_owner_tag;
- uword flags;
- uword virtual_base; /* base of the region object */
- uword virtual_size;
- void *region_heap;
- void *data_base; /* data portion base address */
- void *data_heap; /* data heap, if any */
- volatile void *user_ctx; /* user context pointer */
- /* stuff allocated in the region's heap */
- uword bitmap_size; /* nbits in virtual alloc bitmap */
- uword *bitmap; /* the bitmap */
- char *region_name;
- char *backing_file;
- char **filenames;
- uword *client_pids;
- /* pad */
-
- /* next page:
- * (64K) clib heap for the region itself
- *
- * data_base -> whatever is in this region
- */
+#define SVM_VERSION ((1<<16) | 1) /* set to declare region ready. */
+
+#define SVM_FLAGS_MHEAP (1<<0) /* region contains an mheap */
+#define SVM_FLAGS_FILE (1<<1) /* region backed by one or more files */
+#define SVM_FLAGS_NODATA (1<<2) /* region will be further subdivided */
+#define SVM_FLAGS_NEED_DATA_INIT (1<<3)
+
+#define SVM_PVT_MHEAP_SIZE (128<<10) /* region's private mheap (128k) */
+
+typedef struct svm_region_
+{
+ volatile uword version;
+ pthread_mutex_t mutex;
+ pthread_cond_t condvar;
+ int mutex_owner_pid; /* in case of trouble */
+ int mutex_owner_tag;
+ uword flags;
+ uword virtual_base; /* base of the region object */
+ uword virtual_size;
+ void *region_heap;
+ void *data_base; /* data portion base address */
+ void *data_heap; /* data heap, if any */
+ volatile void *user_ctx; /* user context pointer */
+ /* stuff allocated in the region's heap */
+ uword bitmap_size; /* nbits in virtual alloc bitmap */
+ uword *bitmap; /* the bitmap */
+ char *region_name;
+ char *backing_file;
+ char **filenames;
+ uword *client_pids;
+ /* pad */
+
+ /* next page:
+ * (64K) clib heap for the region itself
+ *
+ * data_base -> whatever is in this region
+ */
} svm_region_t;
-typedef struct svm_map_region_args_ {
- char *root_path; /* NULL means use the truly global arena */
- char *name;
- uword baseva;
- uword size;
- uword flags;
- char *backing_file;
- uword backing_mmap_size;
- /* uid, gid to own the svm region(s) */
- int uid;
- int gid;
+typedef struct svm_map_region_args_
+{
+ char *root_path; /* NULL means use the truly global arena */
+ char *name;
+ uword baseva;
+ uword size;
+ uword flags;
+ char *backing_file;
+ uword backing_mmap_size;
+ /* uid, gid to own the svm region(s) */
+ int uid;
+ int gid;
} svm_map_region_args_t;
/*
- * Memory shared across all router instances. Packet buffers, etc
- * Base should be "out of the way," and size should be big enough to
+ * Memory shared across all router instances. Packet buffers, etc
+ * Base should be "out of the way," and size should be big enough to
* cover everything we plan to put here.
*/
#define SVM_GLOBAL_REGION_BASEVA 0x30000000
-#define SVM_GLOBAL_REGION_SIZE (64<<20)
+#define SVM_GLOBAL_REGION_SIZE (64<<20)
#define SVM_GLOBAL_REGION_NAME "/global_vm"
/*
- * Memory shared across individual router instances.
+ * Memory shared across individual router instances.
*/
#define SVM_OVERLAY_REGION_BASEVA \
(SVM_GLOBAL_REGION_BASEVA + SVM_GLOBAL_REGION_SIZE)
-#define SVM_OVERLAY_REGION_SIZE (1<<20)
+#define SVM_OVERLAY_REGION_SIZE (1<<20)
#define SVM_OVERLAY_REGION_BASENAME "/overlay_vm"
-typedef struct {
- u8 *subregion_name;
+typedef struct
+{
+ u8 *subregion_name;
} svm_subregion_t;
-typedef struct {
- svm_subregion_t *subregions; /* subregion pool */
- uword *name_hash;
- u8 *root_path;
+typedef struct
+{
+ svm_subregion_t *subregions; /* subregion pool */
+ uword *name_hash;
+ u8 *root_path;
} svm_main_region_t;
-void *svm_region_find_or_create (svm_map_region_args_t *a);
-void svm_region_init(void);
-void svm_region_init_chroot(char *root_path);
-void svm_region_init_chroot_uid_gid(char *root_path, int uid, int gid);
+void *svm_region_find_or_create (svm_map_region_args_t * a);
+void svm_region_init (void);
+void svm_region_init_chroot (char *root_path);
+void svm_region_init_chroot_uid_gid (char *root_path, int uid, int gid);
void svm_region_exit (void);
-void svm_region_unmap(void *rp_arg);
+void svm_region_unmap (void *rp_arg);
void svm_client_scan (char *root_path);
-void svm_client_scan_this_region_nolock (svm_region_t *rp);
-u8 *shm_name_from_svm_map_region_args (svm_map_region_args_t *a);
+void svm_client_scan_this_region_nolock (svm_region_t * rp);
+u8 *shm_name_from_svm_map_region_args (svm_map_region_args_t * a);
-static inline void *svm_mem_alloc (svm_region_t *rp, uword size)
+static inline void *
+svm_mem_alloc (svm_region_t * rp, uword size)
{
- u8 *oldheap;
- ASSERT(rp->flags & SVM_FLAGS_MHEAP);
- u8 *rv;
-
- pthread_mutex_lock(&rp->mutex);
- oldheap = clib_mem_set_heap(rp->data_heap);
- rv = clib_mem_alloc (size);
- clib_mem_set_heap(oldheap);
- pthread_mutex_unlock(&rp->mutex);
- return (rv);
+ u8 *oldheap;
+ ASSERT (rp->flags & SVM_FLAGS_MHEAP);
+ u8 *rv;
+
+ pthread_mutex_lock (&rp->mutex);
+ oldheap = clib_mem_set_heap (rp->data_heap);
+ rv = clib_mem_alloc (size);
+ clib_mem_set_heap (oldheap);
+ pthread_mutex_unlock (&rp->mutex);
+ return (rv);
}
-static inline void *svm_mem_alloc_aligned_at_offset (svm_region_t *rp,
- uword size,
- uword align,
- uword offset)
+static inline void *
+svm_mem_alloc_aligned_at_offset (svm_region_t * rp,
+ uword size, uword align, uword offset)
{
- u8 *oldheap;
- ASSERT(rp->flags & SVM_FLAGS_MHEAP);
- u8 *rv;
-
- pthread_mutex_lock(&rp->mutex);
- oldheap = clib_mem_set_heap(rp->data_heap);
- rv = clib_mem_alloc_aligned_at_offset (size, align, offset);
- clib_mem_set_heap(oldheap);
- pthread_mutex_unlock(&rp->mutex);
- return (rv);
+ u8 *oldheap;
+ ASSERT (rp->flags & SVM_FLAGS_MHEAP);
+ u8 *rv;
+
+ pthread_mutex_lock (&rp->mutex);
+ oldheap = clib_mem_set_heap (rp->data_heap);
+ rv = clib_mem_alloc_aligned_at_offset (size, align, offset);
+ clib_mem_set_heap (oldheap);
+ pthread_mutex_unlock (&rp->mutex);
+ return (rv);
}
-static inline void svm_mem_free (svm_region_t *rp, void *ptr)
+static inline void
+svm_mem_free (svm_region_t * rp, void *ptr)
{
- u8 *oldheap;
- ASSERT(rp->flags & SVM_FLAGS_MHEAP);
+ u8 *oldheap;
+ ASSERT (rp->flags & SVM_FLAGS_MHEAP);
- pthread_mutex_lock(&rp->mutex);
- oldheap = clib_mem_set_heap(rp->data_heap);
- clib_mem_free (ptr);
- clib_mem_set_heap(oldheap);
- pthread_mutex_unlock(&rp->mutex);
+ pthread_mutex_lock (&rp->mutex);
+ oldheap = clib_mem_set_heap (rp->data_heap);
+ clib_mem_free (ptr);
+ clib_mem_set_heap (oldheap);
+ pthread_mutex_unlock (&rp->mutex);
}
-static inline void *svm_push_pvt_heap (svm_region_t *rp)
+static inline void *
+svm_push_pvt_heap (svm_region_t * rp)
{
- u8 *oldheap;
- oldheap = clib_mem_set_heap(rp->region_heap);
- return ((void *) oldheap);
+ u8 *oldheap;
+ oldheap = clib_mem_set_heap (rp->region_heap);
+ return ((void *) oldheap);
}
-static inline void *svm_push_data_heap (svm_region_t *rp)
+static inline void *
+svm_push_data_heap (svm_region_t * rp)
{
- u8 *oldheap;
- oldheap = clib_mem_set_heap(rp->data_heap);
- return ((void *) oldheap);
+ u8 *oldheap;
+ oldheap = clib_mem_set_heap (rp->data_heap);
+ return ((void *) oldheap);
}
-static inline void svm_pop_heap (void *oldheap)
+static inline void
+svm_pop_heap (void *oldheap)
{
- clib_mem_set_heap(oldheap);
+ clib_mem_set_heap (oldheap);
}
-u8 * format_svm_region (u8 * s, va_list * args);
+u8 *format_svm_region (u8 * s, va_list * args);
svm_region_t *svm_get_root_rp (void);
#endif /* __included_svm_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff