X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsegment_manager.c;h=c3a794b7fc43cd3df8e361df297f5c6bb7207031;hb=b384b543313b6b47a277c903e9d4fcd4343054fa;hp=b13df21ca9e4e7cbe1bbc55184787a0b666c1301;hpb=f264236c61bfe04e16371191786df7f180243eb5;p=vpp.git diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c index b13df21ca9e..c3a794b7fc4 100644 --- a/src/vnet/session/segment_manager.c +++ b/src/vnet/session/segment_manager.c @@ -27,10 +27,15 @@ u32 segment_name_counter = 0; */ segment_manager_t *segment_managers = 0; +/* + * Pool of segment manager properties + */ +static segment_manager_properties_t *segment_manager_properties_pool; + /** * Process private segment index */ -u32 private_segment_index = ~0; +u32 *private_segment_indices; /** * Default fifo and segment size. TODO config. @@ -38,89 +43,155 @@ u32 private_segment_index = ~0; u32 default_fifo_size = 1 << 16; u32 default_segment_size = 1 << 20; +segment_manager_properties_t * +segment_manager_properties_alloc (void) +{ + segment_manager_properties_t *props; + pool_get (segment_manager_properties_pool, props); + memset (props, 0, sizeof (*props)); + props->add_segment_size = default_segment_size; + props->rx_fifo_size = default_fifo_size; + props->tx_fifo_size = default_fifo_size; + return props; +} + +void +segment_manager_properties_free (segment_manager_properties_t * props) +{ + pool_put (segment_manager_properties_pool, props); + memset (props, 0xFB, sizeof (*props)); +} + +segment_manager_properties_t * +segment_manager_properties_get (u32 smp_index) +{ + if (pool_is_free_index (segment_manager_properties_pool, smp_index)) + return 0; + return pool_elt_at_index (segment_manager_properties_pool, smp_index); +} + +u32 +segment_manager_properties_index (segment_manager_properties_t * p) +{ + return p - segment_manager_properties_pool; +} + +svm_fifo_segment_private_t * +segment_manager_get_segment (u32 segment_index) +{ + return svm_fifo_segment_get_segment (segment_index); +} + void segment_manager_get_segment_info (u32 index, u8 ** name, u32 * size) { svm_fifo_segment_private_t *s; - s = svm_fifo_get_segment (index); - *name = s->h->segment_name; + s = svm_fifo_segment_get_segment (index); + *name = s->ssvm.name; *size = s->ssvm.ssvm_size; } always_inline int -session_manager_add_segment_i (segment_manager_t * sm, u32 segment_size, - u8 * segment_name) +segment_manager_add_segment_i (segment_manager_t * sm, u32 segment_size, + u32 protected_space) { - svm_fifo_segment_create_args_t _ca, *ca = &_ca; - int rv; - - memset (ca, 0, sizeof (*ca)); + svm_fifo_segment_create_args_t _ca = { 0 }, *ca = &_ca; + segment_manager_properties_t *props; - ca->segment_name = (char *) segment_name; - ca->segment_size = segment_size; + props = segment_manager_properties_get (sm->properties_index); - rv = svm_fifo_segment_create (ca); - if (rv) + /* Not configured for addition of new segments and not first */ + if (!props->add_segment && !segment_size) { - clib_warning ("svm_fifo_segment_create ('%s', %d) failed", - ca->segment_name, ca->segment_size); - vec_free (segment_name); - return VNET_API_ERROR_SVM_SEGMENT_CREATE_FAIL; + clib_warning ("cannot allocate new segment"); + return VNET_API_ERROR_INVALID_VALUE; } - vec_add1 (sm->segment_indices, ca->new_segment_index); + ca->segment_size = segment_size ? segment_size : props->add_segment_size; + ca->rx_fifo_size = props->rx_fifo_size; + ca->tx_fifo_size = props->tx_fifo_size; + ca->preallocated_fifo_pairs = props->preallocated_fifo_pairs; + ca->seg_protected_space = protected_space ? protected_space : 0; - return 0; -} + if (props->segment_type != SSVM_N_SEGMENT_TYPES) + { + ca->segment_name = (char *) format (0, "%d-%d%c", getpid (), + segment_name_counter++, 0); + ca->segment_type = props->segment_type; + if (svm_fifo_segment_create (ca)) + { + clib_warning ("svm_fifo_segment_create ('%s', %d) failed", + ca->segment_name, ca->segment_size); + return VNET_API_ERROR_SVM_SEGMENT_CREATE_FAIL; + } + vec_free (ca->segment_name); + } + else + { + u32 rx_fifo_size, tx_fifo_size; + u32 rx_rounded_data_size, tx_rounded_data_size; + u32 approx_segment_count; + u64 approx_total_size; + + ca->segment_name = "process-private-segment"; + ca->private_segment_count = props->private_segment_count; + + /* Calculate space requirements */ + rx_rounded_data_size = (1 << (max_log2 (ca->rx_fifo_size))); + tx_rounded_data_size = (1 << (max_log2 (ca->tx_fifo_size))); + + rx_fifo_size = sizeof (svm_fifo_t) + rx_rounded_data_size; + tx_fifo_size = sizeof (svm_fifo_t) + tx_rounded_data_size; + + approx_total_size = (u64) ca->preallocated_fifo_pairs + * (rx_fifo_size + tx_fifo_size); + approx_segment_count = (approx_total_size + protected_space + + (ca->segment_size - + 1)) / (u64) ca->segment_size; + + /* The user asked us to figure it out... */ + if (ca->private_segment_count == 0 + || approx_segment_count < ca->private_segment_count) + { + ca->private_segment_count = approx_segment_count; + } + /* Follow directions, but issue a warning */ + else if (approx_segment_count < ca->private_segment_count) + { + clib_warning ("Honoring segment count %u, calculated count was %u", + ca->private_segment_count, approx_segment_count); + } + else if (approx_segment_count > ca->private_segment_count) + { + clib_warning ("Segment count too low %u, calculated %u.", + ca->private_segment_count, approx_segment_count); + return VNET_API_ERROR_INVALID_VALUE; + } -int -session_manager_add_segment (segment_manager_t * sm) -{ - u8 *segment_name; - svm_fifo_segment_create_args_t _ca, *ca = &_ca; - u32 add_segment_size; - int rv; + if (svm_fifo_segment_create_process_private (ca)) + clib_warning ("Failed to create process private segment"); - memset (ca, 0, sizeof (*ca)); - segment_name = format (0, "%d-%d%c", getpid (), segment_name_counter++, 0); - add_segment_size = sm->properties->add_segment_size ? - sm->properties->add_segment_size : default_segment_size; + ASSERT (vec_len (ca->new_segment_indices)); + } - rv = session_manager_add_segment_i (sm, add_segment_size, segment_name); - vec_free (segment_name); - return rv; + vec_append (sm->segment_indices, ca->new_segment_indices); + vec_free (ca->new_segment_indices); + return 0; } int -session_manager_add_first_segment (segment_manager_t * sm, u32 segment_size) +segment_manager_add_segment (segment_manager_t * sm) { - u8 *segment_name; - int rv; - - segment_name = format (0, "%d-%d%c", getpid (), segment_name_counter++, 0); - rv = session_manager_add_segment_i (sm, segment_size, segment_name); - vec_free (segment_name); - return rv; + return segment_manager_add_segment_i (sm, 0, 0); } -static void -segment_manager_alloc_process_private_segment () +segment_manager_t * +segment_manager_new () { - svm_fifo_segment_create_args_t _a, *a = &_a; - - if (private_segment_index != ~0) - return; - - memset (a, 0, sizeof (*a)); - a->segment_name = "process-private-segment"; - a->segment_size = ~0; - a->new_segment_index = ~0; - - if (svm_fifo_segment_create_process_private (a)) - clib_warning ("Failed to create process private segment"); - - private_segment_index = a->new_segment_index; - ASSERT (private_segment_index != ~0); + segment_manager_t *sm; + pool_get (segment_managers, sm); + memset (sm, 0, sizeof (*sm)); + return sm; } /** @@ -128,142 +199,184 @@ segment_manager_alloc_process_private_segment () * Returns error if svm segment allocation fails. */ int -segment_manager_init (segment_manager_t * sm, - segment_manager_properties_t * properties, - u32 first_seg_size) +segment_manager_init (segment_manager_t * sm, u32 props_index, + u32 first_seg_size, u32 evt_q_size) { + u32 protected_space; int rv; - /* app allocates these */ - sm->properties = properties; + sm->properties_index = props_index; + protected_space = max_pow2 (sizeof (svm_queue_t) + + evt_q_size * sizeof (session_fifo_event_t)); + protected_space = round_pow2_u64 (protected_space, CLIB_CACHE_LINE_BYTES); first_seg_size = first_seg_size > 0 ? first_seg_size : default_segment_size; - - if (sm->properties->use_private_segment == 0) - { - rv = session_manager_add_first_segment (sm, first_seg_size); - if (rv) - { - clib_warning ("Failed to allocate segment"); - return rv; - } - } - else + rv = segment_manager_add_segment_i (sm, first_seg_size, protected_space); + if (rv) { - if (private_segment_index == ~0) - segment_manager_alloc_process_private_segment (); - ASSERT (private_segment_index != ~0); - vec_add1 (sm->segment_indices, private_segment_index); + clib_warning ("Failed to allocate segment"); + return rv; } clib_spinlock_init (&sm->lockp); return 0; } +u8 +segment_manager_has_fifos (segment_manager_t * sm) +{ + svm_fifo_segment_private_t *segment; + int i; + + for (i = 0; i < vec_len (sm->segment_indices); i++) + { + segment = svm_fifo_segment_get_segment (sm->segment_indices[i]); + if (CLIB_DEBUG && i && !svm_fifo_segment_has_fifos (segment) + && !(segment->h->flags & FIFO_SEGMENT_F_IS_PREALLOCATED)) + clib_warning ("segment %d has no fifos!", sm->segment_indices[i]); + if (svm_fifo_segment_has_fifos (segment)) + return 1; + } + return 0; +} + +static u8 +segment_manager_app_detached (segment_manager_t * sm) +{ + return (sm->app_index == SEGMENT_MANAGER_INVALID_APP_INDEX); +} + +void +segment_manager_app_detach (segment_manager_t * sm) +{ + sm->app_index = SEGMENT_MANAGER_INVALID_APP_INDEX; +} + +static void +segment_manager_del_segment (segment_manager_t * sm, u32 segment_index) +{ + svm_fifo_segment_private_t *fifo_segment; + u32 svm_segment_index; + clib_spinlock_lock (&sm->lockp); + svm_segment_index = vec_elt (sm->segment_indices, segment_index); + fifo_segment = svm_fifo_segment_get_segment (svm_segment_index); + if (!fifo_segment + || ((fifo_segment->h->flags & FIFO_SEGMENT_F_IS_PREALLOCATED) + && !segment_manager_app_detached (sm))) + { + clib_spinlock_unlock (&sm->lockp); + return; + } + svm_fifo_segment_delete (fifo_segment); + vec_del1 (sm->segment_indices, segment_index); + clib_spinlock_unlock (&sm->lockp); +} + /** - * Removes segment manager. - * - * Since the fifos allocated in the segment keep backpointers to the sessions - * prior to removing the segment, we call session disconnect. This - * subsequently propages into transport. + * Initiate disconnects for all sessions 'owned' by a segment manager */ void -segment_manager_del (segment_manager_t * sm) +segment_manager_del_sessions (segment_manager_t * sm) { - u32 *deleted_sessions = 0; - u32 *deleted_thread_indices = 0; - int i, j; + int j; + svm_fifo_segment_private_t *fifo_segment; + svm_fifo_t *fifo; + + ASSERT (vec_len (sm->segment_indices)); /* Across all fifo segments used by the server */ for (j = 0; j < vec_len (sm->segment_indices); j++) { - svm_fifo_segment_private_t *fifo_segment; - svm_fifo_t **fifos; - /* Vector of fifos allocated in the segment */ - fifo_segment = svm_fifo_get_segment (sm->segment_indices[j]); - fifos = svm_fifo_segment_get_fifos (fifo_segment); + fifo_segment = svm_fifo_segment_get_segment (sm->segment_indices[j]); + fifo = svm_fifo_segment_get_fifo_list (fifo_segment); /* * Remove any residual sessions from the session lookup table * Don't bother deleting the individual fifos, we're going to * throw away the fifo segment in a minute. */ - for (i = 0; i < vec_len (fifos); i++) + while (fifo) { - svm_fifo_t *fifo; u32 session_index, thread_index; stream_session_t *session; - fifo = fifos[i]; session_index = fifo->master_session_index; thread_index = fifo->master_thread_index; + session = session_get (session_index, thread_index); - session = stream_session_get (session_index, thread_index); - - /* Add to the deleted_sessions vector (once!) */ - if (!session->is_deleted) + /* Instead of directly removing the session call disconnect */ + if (session->session_state != SESSION_STATE_CLOSED) { - session->is_deleted = 1; - vec_add1 (deleted_sessions, session_index); - vec_add1 (deleted_thread_indices, thread_index); + session->session_state = SESSION_STATE_CLOSED; + session_send_session_evt_to_thread (session_handle (session), + FIFO_EVENT_DISCONNECT, + thread_index); } + fifo = fifo->next; } - for (i = 0; i < vec_len (deleted_sessions); i++) - { - stream_session_t *session; - session = stream_session_get (deleted_sessions[i], - deleted_thread_indices[i]); + /* Instead of removing the segment, test when cleaning up disconnected + * sessions if the segment can be removed. + */ + } +} - /* Instead of directly removing the session call disconnect */ - session_send_session_evt_to_thread (stream_session_handle (session), - FIFO_EVENT_DISCONNECT, - deleted_thread_indices[i]); - - /* - stream_session_table_del (smm, session); - pool_put(smm->sessions[deleted_thread_indices[i]], session); - */ - } +/** + * Removes segment manager. + * + * Since the fifos allocated in the segment keep backpointers to the sessions + * prior to removing the segment, we call session disconnect. This + * subsequently propagates into transport. + */ +void +segment_manager_del (segment_manager_t * sm) +{ + int i; - vec_reset_length (deleted_sessions); - vec_reset_length (deleted_thread_indices); + ASSERT (!segment_manager_has_fifos (sm) + && segment_manager_app_detached (sm)); - /* Instead of removing the segment, test when removing the session if - * the segment can be removed - */ - /* svm_fifo_segment_delete (fifo_segment); */ + /* If we have empty preallocated segments that haven't been removed, remove + * them now. Apart from that, the first segment in the first segment manager + * is not removed when all fifos are removed. It can only be removed when + * the manager is explicitly deleted/detached by the app. */ + for (i = vec_len (sm->segment_indices) - 1; i >= 0; i--) + { + if (CLIB_DEBUG) + { + svm_fifo_segment_private_t *segment; + segment = svm_fifo_segment_get_segment (sm->segment_indices[i]); + ASSERT (!svm_fifo_segment_has_fifos (segment)); + } + segment_manager_del_segment (sm, i); } - clib_spinlock_free (&sm->lockp); - vec_free (deleted_sessions); - vec_free (deleted_thread_indices); + if (CLIB_DEBUG) + memset (sm, 0xfe, sizeof (*sm)); pool_put (segment_managers, sm); } -static int -segment_manager_notify_app_seg_add (segment_manager_t * sm, - u32 fifo_segment_index) +void +segment_manager_init_del (segment_manager_t * sm) { - application_t *app = application_get (sm->app_index); - u32 seg_size = 0; - u8 *seg_name; - - /* Send an API message to the external app, to map new segment */ - ASSERT (app->cb_fns.add_segment_callback); - - segment_manager_get_segment_info (fifo_segment_index, &seg_name, &seg_size); - return app->cb_fns.add_segment_callback (app->api_client_index, seg_name, - seg_size); + segment_manager_app_detach (sm); + if (segment_manager_has_fifos (sm)) + segment_manager_del_sessions (sm); + else + { + ASSERT (!sm->first_is_protected || segment_manager_app_detached (sm)); + segment_manager_del (sm); + } } int segment_manager_alloc_session_fifos (segment_manager_t * sm, - svm_fifo_t ** server_rx_fifo, - svm_fifo_t ** server_tx_fifo, + svm_fifo_t ** rx_fifo, + svm_fifo_t ** tx_fifo, u32 * fifo_segment_index) { svm_fifo_segment_private_t *fifo_segment; + segment_manager_properties_t *props; u32 fifo_size, sm_index; u8 added_a_segment = 0; int i; @@ -275,36 +388,41 @@ segment_manager_alloc_session_fifos (segment_manager_t * sm, clib_spinlock_lock (&sm->lockp); /* Allocate svm fifos */ + props = segment_manager_properties_get (sm->properties_index); again: for (i = 0; i < vec_len (sm->segment_indices); i++) { - *fifo_segment_index = sm->segment_indices[i]; - fifo_segment = svm_fifo_get_segment (*fifo_segment_index); + *fifo_segment_index = vec_elt (sm->segment_indices, i); + fifo_segment = svm_fifo_segment_get_segment (*fifo_segment_index); - fifo_size = sm->properties->rx_fifo_size; + fifo_size = props->rx_fifo_size; fifo_size = (fifo_size == 0) ? default_fifo_size : fifo_size; - *server_rx_fifo = svm_fifo_segment_alloc_fifo (fifo_segment, fifo_size); + *rx_fifo = svm_fifo_segment_alloc_fifo (fifo_segment, fifo_size, + FIFO_SEGMENT_RX_FREELIST); - fifo_size = sm->properties->tx_fifo_size; + fifo_size = props->tx_fifo_size; fifo_size = (fifo_size == 0) ? default_fifo_size : fifo_size; - *server_tx_fifo = svm_fifo_segment_alloc_fifo (fifo_segment, fifo_size); + *tx_fifo = svm_fifo_segment_alloc_fifo (fifo_segment, fifo_size, + FIFO_SEGMENT_TX_FREELIST); - if (*server_rx_fifo == 0) + if (*rx_fifo == 0) { /* This would be very odd, but handle it... */ - if (*server_tx_fifo != 0) + if (*tx_fifo != 0) { - svm_fifo_segment_free_fifo (fifo_segment, *server_tx_fifo); - *server_tx_fifo = 0; + svm_fifo_segment_free_fifo (fifo_segment, *tx_fifo, + FIFO_SEGMENT_TX_FREELIST); + *tx_fifo = 0; } continue; } - if (*server_tx_fifo == 0) + if (*tx_fifo == 0) { - if (*server_rx_fifo != 0) + if (*rx_fifo != 0) { - svm_fifo_segment_free_fifo (fifo_segment, *server_rx_fifo); - *server_rx_fifo = 0; + svm_fifo_segment_free_fifo (fifo_segment, *rx_fifo, + FIFO_SEGMENT_RX_FREELIST); + *rx_fifo = 0; } continue; } @@ -312,18 +430,20 @@ again: } /* See if we're supposed to create another segment */ - if (*server_rx_fifo == 0) + if (*rx_fifo == 0) { - if (sm->properties->add_segment) + if (props->add_segment && !props->segment_type) { if (added_a_segment) { - clib_warning ("added a segment, still cant allocate a fifo"); + clib_warning ("added a segment, still can't allocate a fifo"); + clib_spinlock_unlock (&sm->lockp); return SESSION_ERROR_NEW_SEG_NO_SPACE; } - if (session_manager_add_segment (sm)) + if (segment_manager_add_segment (sm)) { + clib_spinlock_unlock (&sm->lockp); return VNET_API_ERROR_URI_FIFO_CREATE_FAILED; } @@ -333,19 +453,21 @@ again: else { clib_warning ("No space to allocate fifos!"); + clib_spinlock_unlock (&sm->lockp); return SESSION_ERROR_NO_SPACE; } } /* Backpointers to segment manager */ sm_index = segment_manager_index (sm); - (*server_tx_fifo)->segment_manager = sm_index; - (*server_rx_fifo)->segment_manager = sm_index; + (*tx_fifo)->segment_manager = sm_index; + (*rx_fifo)->segment_manager = sm_index; clib_spinlock_unlock (&sm->lockp); if (added_a_segment) - return segment_manager_notify_app_seg_add (sm, *fifo_segment_index); + return application_add_segment_notify (sm->app_index, + *fifo_segment_index); return 0; } @@ -356,48 +478,73 @@ segment_manager_dealloc_fifos (u32 svm_segment_index, svm_fifo_t * rx_fifo, { segment_manager_t *sm; svm_fifo_segment_private_t *fifo_segment; + u32 i, segment_index = ~0; + u8 is_first; sm = segment_manager_get_if_valid (rx_fifo->segment_manager); /* It's possible to have no segment manager if the session was removed - * as result of a detach */ + * as result of a detach. */ if (!sm) return; - fifo_segment = svm_fifo_get_segment (svm_segment_index); - svm_fifo_segment_free_fifo (fifo_segment, rx_fifo); - svm_fifo_segment_free_fifo (fifo_segment, tx_fifo); - - /* Remove segment only if it holds no fifos and not the first */ - if (sm->segment_indices[0] != svm_segment_index - && !svm_fifo_segment_has_fifos (fifo_segment)) + fifo_segment = svm_fifo_segment_get_segment (svm_segment_index); + svm_fifo_segment_free_fifo (fifo_segment, rx_fifo, + FIFO_SEGMENT_RX_FREELIST); + svm_fifo_segment_free_fifo (fifo_segment, tx_fifo, + FIFO_SEGMENT_TX_FREELIST); + + /* + * Try to remove svm segment if it has no fifos. This can be done only if + * the segment is not the first in the segment manager or if it is first + * and it is not protected. Moreover, if the segment is first and the app + * has detached from the segment manager, remove the segment manager. + */ + if (!svm_fifo_segment_has_fifos (fifo_segment)) { - svm_fifo_segment_delete (fifo_segment); - vec_del1 (sm->segment_indices, svm_segment_index); + is_first = sm->segment_indices[0] == svm_segment_index; + + /* Remove segment if it holds no fifos or first but not protected */ + if (!is_first || !sm->first_is_protected) + { + /* Find the segment manager segment index */ + for (i = 0; i < vec_len (sm->segment_indices); i++) + if (sm->segment_indices[i] == svm_segment_index) + { + segment_index = i; + break; + } + ASSERT (segment_index != (u32) ~ 0); + segment_manager_del_segment (sm, segment_index); + } + + /* Remove segment manager if no sessions and detached from app */ + if (segment_manager_app_detached (sm) + && !segment_manager_has_fifos (sm)) + segment_manager_del (sm); } } /** * Allocates shm queue in the first segment */ -unix_shared_memory_queue_t * +svm_queue_t * segment_manager_alloc_queue (segment_manager_t * sm, u32 queue_size) { ssvm_shared_header_t *sh; svm_fifo_segment_private_t *segment; - unix_shared_memory_queue_t *q; + svm_queue_t *q; void *oldheap; ASSERT (sm->segment_indices != 0); - segment = svm_fifo_get_segment (sm->segment_indices[0]); + segment = svm_fifo_segment_get_segment (sm->segment_indices[0]); sh = segment->ssvm.sh; oldheap = ssvm_push_heap (sh); - q = - unix_shared_memory_queue_init (queue_size, sizeof (session_fifo_event_t), - 0 /* consumer pid */ , 0 - /* signal when queue non-empty */ ); + q = svm_queue_init (queue_size, + sizeof (session_fifo_event_t), 0 /* consumer pid */ , + 0 /* signal when queue non-empty */ ); ssvm_pop_heap (oldheap); return q; } @@ -406,8 +553,7 @@ segment_manager_alloc_queue (segment_manager_t * sm, u32 queue_size) * Frees shm queue allocated in the first segment */ void -segment_manager_dealloc_queue (segment_manager_t * sm, - unix_shared_memory_queue_t * q) +segment_manager_dealloc_queue (segment_manager_t * sm, svm_queue_t * q) { ssvm_shared_header_t *sh; svm_fifo_segment_private_t *segment; @@ -415,14 +561,86 @@ segment_manager_dealloc_queue (segment_manager_t * sm, ASSERT (sm->segment_indices != 0); - segment = svm_fifo_get_segment (sm->segment_indices[0]); + segment = svm_fifo_segment_get_segment (sm->segment_indices[0]); sh = segment->ssvm.sh; oldheap = ssvm_push_heap (sh); - unix_shared_memory_queue_free (q); + svm_queue_free (q); ssvm_pop_heap (oldheap); } +static clib_error_t * +segment_manager_show_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + svm_fifo_segment_private_t *segments, *seg; + segment_manager_t *sm; + u8 show_segments = 0, verbose = 0; + uword address; + u64 size; + u32 active_fifos; + u32 free_fifos; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "segments")) + show_segments = 1; + else if (unformat (input, "verbose")) + verbose = 1; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + vlib_cli_output (vm, "%d segment managers allocated", + pool_elts (segment_managers)); + if (verbose && pool_elts (segment_managers)) + { + vlib_cli_output (vm, "%-10s%=15s%=12s", "Index", "App Index", + "Segments"); + + /* *INDENT-OFF* */ + pool_foreach (sm, segment_managers, ({ + vlib_cli_output (vm, "%-10d%=15d%=12d", segment_manager_index(sm), + sm->app_index, vec_len (sm->segment_indices)); + })); + /* *INDENT-ON* */ + + } + if (show_segments) + { + segments = svm_fifo_segment_segments_pool (); + vlib_cli_output (vm, "%d svm fifo segments allocated", + pool_elts (segments)); + vlib_cli_output (vm, "%-15s%10s%15s%15s%15s%15s", "Name", "Type", + "HeapSize (M)", "ActiveFifos", "FreeFifos", "Address"); + + /* *INDENT-OFF* */ + pool_foreach (seg, segments, ({ + svm_fifo_segment_info (seg, &address, &size); + active_fifos = svm_fifo_segment_num_fifos (seg); + free_fifos = svm_fifo_segment_num_free_fifos (seg, ~0 /* size */); + vlib_cli_output (vm, "%-15v%10U%15llu%15u%15u%15llx", + ssvm_name (&seg->ssvm), format_svm_fifo_segment_type, + seg, size >> 20ULL, active_fifos, free_fifos, + address); + if (verbose) + vlib_cli_output (vm, "%U", format_svm_fifo_segment, seg, verbose); + })); + /* *INDENT-ON* */ + + } + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (segment_manager_show_command, static) = +{ + .path = "show segment-manager", + .short_help = "show segment-manager [segments][verbose]", + .function = segment_manager_show_fn, +}; +/* *INDENT-ON* */ + /* * fd.io coding-style-patch-verification: ON *