X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsegment_manager.h;h=b2a792d206be37d021425905f7c48367598e4a35;hb=b384b543313b6b47a277c903e9d4fcd4343054fa;hp=778d6040e9424328c21a79d7e2b7ba08d44f180a;hpb=6cf30adc2cd3aa818e5d97cf71ea8b2fc2aaefa7;p=vpp.git diff --git a/src/vnet/session/segment_manager.h b/src/vnet/session/segment_manager.h index 778d6040e94..b2a792d206b 100644 --- a/src/vnet/session/segment_manager.h +++ b/src/vnet/session/segment_manager.h @@ -17,6 +17,9 @@ #include #include +#include +#include +#include typedef struct _segment_manager_properties { @@ -24,39 +27,51 @@ typedef struct _segment_manager_properties u32 rx_fifo_size; u32 tx_fifo_size; + /** Preallocated pool sizes */ + u32 preallocated_fifo_pairs; + /** Configured additional segment size */ u32 add_segment_size; /** Flag that indicates if additional segments should be created */ u8 add_segment; + /** Segment type: if set to SSVM_N_TYPES, private segments are used */ + ssvm_segment_type_t segment_type; + + /** Use one or more private mheaps, instead of the global heap */ + u32 private_segment_count; } segment_manager_properties_t; typedef struct _segment_manager { + clib_spinlock_t lockp; + /** segments mapped by this manager */ u32 *segment_indices; /** Owner app index */ u32 app_index; - /** Pointer to manager properties. Could be shared among all of - * an app's segment managers s*/ - segment_manager_properties_t *properties; + /** + * Pointer to manager properties. Could be shared among all of + * an app's segment managers s + */ + u32 properties_index; + + /** + * First segment should not be deleted unless segment manger is deleted. + * This also indicates that the segment manager is the first to have been + * allocated for the app. + */ + u8 first_is_protected; } segment_manager_t; +#define SEGMENT_MANAGER_INVALID_APP_INDEX ((u32) ~0) + /** Pool of segment managers */ extern segment_manager_t *segment_managers; -always_inline segment_manager_t * -segment_manager_new () -{ - segment_manager_t *sm; - pool_get (segment_managers, sm); - memset (sm, 0, sizeof (*sm)); - return sm; -} - always_inline segment_manager_t * segment_manager_get (u32 index) { @@ -77,16 +92,18 @@ segment_manager_index (segment_manager_t * sm) return sm - segment_managers; } -int -segment_manager_init (segment_manager_t * sm, - segment_manager_properties_t * properties, - u32 seg_size); +segment_manager_t *segment_manager_new (); +int segment_manager_init (segment_manager_t * sm, u32 props_index, + u32 seg_size, u32 evt_queue_size); -void segment_manager_get_segment_info (u32 index, u8 ** name, u32 * size); -int -session_manager_add_first_segment (segment_manager_t * sm, u32 segment_size); -int session_manager_add_segment (segment_manager_t * sm); +svm_fifo_segment_private_t *segment_manager_get_segment (u32 segment_index); +int segment_manager_add_first_segment (segment_manager_t * sm, + u32 segment_size); +int segment_manager_add_segment (segment_manager_t * sm); +void segment_manager_del_sessions (segment_manager_t * sm); void segment_manager_del (segment_manager_t * sm); +void segment_manager_init_del (segment_manager_t * sm); +u8 segment_manager_has_fifos (segment_manager_t * sm); int segment_manager_alloc_session_fifos (segment_manager_t * sm, svm_fifo_t ** server_rx_fifo, @@ -95,6 +112,15 @@ segment_manager_alloc_session_fifos (segment_manager_t * sm, void segment_manager_dealloc_fifos (u32 svm_segment_index, svm_fifo_t * rx_fifo, svm_fifo_t * tx_fifo); +svm_queue_t *segment_manager_alloc_queue (segment_manager_t * sm, + u32 queue_size); +void segment_manager_dealloc_queue (segment_manager_t * sm, svm_queue_t * q); +void segment_manager_app_detach (segment_manager_t * sm); + +segment_manager_properties_t *segment_manager_properties_alloc (void); +void segment_manager_properties_free (segment_manager_properties_t * p); +segment_manager_properties_t *segment_manager_properties_get (u32 smp_index); +u32 segment_manager_properties_index (segment_manager_properties_t * p); #endif /* SRC_VNET_SESSION_SEGMENT_MANAGER_H_ */ /*