#include <vlibmemory/vl_memory_api_h.h>
#undef vl_endianfun
-static inline void *
-vl_api_memclnt_create_t_print (vl_api_memclnt_create_t * a, void *handle)
-{
- vl_print (handle, "vl_api_memclnt_create_t:\n");
- vl_print (handle, "name: %s\n", a->name);
- vl_print (handle, "input_queue: 0x%wx\n", a->input_queue);
- vl_print (handle, "context: %u\n", (unsigned) a->context);
- vl_print (handle, "ctx_quota: %ld\n", (long) a->ctx_quota);
- return handle;
-}
-
-static inline void *
-vl_api_memclnt_delete_t_print (vl_api_memclnt_delete_t * a, void *handle)
-{
- vl_print (handle, "vl_api_memclnt_delete_t:\n");
- vl_print (handle, "index: %u\n", (unsigned) a->index);
- vl_print (handle, "handle: 0x%wx\n", a->handle);
- return handle;
-}
-
volatile int **vl_api_queue_cursizes;
static void
{
int i;
api_main_t *am = vlibapi_get_main ();
+ int have_pending_rpcs;
if (PREDICT_FALSE (vec_len (vl_api_queue_cursizes) !=
1 + vec_len (am->vlib_private_rps)))
break;
}
}
- if (vec_len (vm->pending_rpc_requests))
+
+ clib_spinlock_lock_if_init (&vm->pending_rpc_lock);
+ have_pending_rpcs = vec_len (vm->pending_rpc_requests) > 0;
+ clib_spinlock_unlock_if_init (&vm->pending_rpc_lock);
+
+ if (have_pending_rpcs)
{
vm->queue_signal_pending = 1;
vm->api_queue_nonempty = 1;
{
vl_api_registration_t **regpp;
vl_api_registration_t *regp;
- svm_region_t *svm;
void *oldheap;
api_main_t *am = vlibapi_get_main ();
ASSERT (vlib_get_thread_index () == 0);
pool_get (am->vl_clients, regpp);
- svm = am->vlib_rp;
- pthread_mutex_lock (&svm->mutex);
- oldheap = svm_push_data_heap (svm);
+ oldheap = vl_msg_push_heap ();
*regpp = clib_mem_alloc (sizeof (vl_api_registration_t));
regp = *regpp;
clib_memset (regp, 0, sizeof (*regp));
regp->registration_type = REGISTRATION_TYPE_SHMEM;
regp->vl_api_registration_pool_index = regpp - am->vl_clients;
- regp->vlib_rp = svm;
+ regp->vlib_rp = am->vlib_rp;
regp->shmem_hdr = am->shmem_hdr;
regp->vl_input_queue = q;
regp->name = format (0, "%s%c", name, 0);
- pthread_mutex_unlock (&svm->mutex);
- svm_pop_heap (oldheap);
+ vl_msg_pop_heap (oldheap);
return vl_msg_api_handle_from_index_and_epoch
(regp->vl_api_registration_pool_index,
am->shmem_hdr->application_restarts);
vl_api_registration_t **regpp;
vl_api_registration_t *regp;
vl_api_memclnt_create_reply_t *rp;
- svm_region_t *svm;
svm_queue_t *q;
int rv = 0;
void *oldheap;
pool_get (am->vl_clients, regpp);
- svm = am->vlib_rp;
-
- pthread_mutex_lock (&svm->mutex);
- oldheap = svm_push_data_heap (svm);
+ oldheap = vl_msg_push_heap ();
*regpp = clib_mem_alloc (sizeof (vl_api_registration_t));
regp = *regpp;
clib_memset (regp, 0, sizeof (*regp));
regp->registration_type = REGISTRATION_TYPE_SHMEM;
regp->vl_api_registration_pool_index = regpp - am->vl_clients;
- regp->vlib_rp = svm;
+ regp->vlib_rp = am->vlib_rp;
regp->shmem_hdr = am->shmem_hdr;
regp->clib_file_index = am->shmem_hdr->clib_file_index;
else
msg_table = am->serialized_message_table_in_shmem;
- pthread_mutex_unlock (&svm->mutex);
- svm_pop_heap (oldheap);
+ vl_msg_pop_heap (oldheap);
rp = vl_msg_api_alloc (sizeof (*rp));
rp->_vl_msg_id = ntohs (VL_API_MEMCLNT_CREATE_REPLY);
vl_msg_api_send_shmem (q, (u8 *) & rp);
}
-int
+void
vl_api_call_reaper_functions (u32 client_index)
{
clib_error_t *error = 0;
clib_error_report (error);
i = i->next_init_function;
}
- return 0;
}
/*
vl_api_registration_t **regpp;
vl_api_registration_t *regp;
vl_api_memclnt_delete_reply_t *rp;
- svm_region_t *svm;
void *oldheap;
api_main_t *am = vlibapi_get_main ();
u32 handle, client_index, epoch;
handle = mp->index;
- if (vl_api_call_reaper_functions (handle))
- return;
+ vl_api_call_reaper_functions (handle);
epoch = vl_msg_api_handle_get_epoch (handle);
client_index = vl_msg_api_handle_get_index (handle);
{
int i;
regp = *regpp;
- svm = am->vlib_rp;
int private_registration = 0;
/* Send reply unless client asked us to do the cleanup */
for (i = 0; i < vec_len (am->vlib_private_rps); i++)
{
/* Is this a pairwise / private API segment? */
- if (am->vlib_private_rps[i] == svm)
+ if (am->vlib_private_rps[i] == am->vlib_rp)
{
/* Note: account for the memfd header page */
- uword virtual_base = svm->virtual_base - MMAP_PAGESIZE;
- uword virtual_size = svm->virtual_size + MMAP_PAGESIZE;
+ uword virtual_base = am->vlib_rp->virtual_base - MMAP_PAGESIZE;
+ uword virtual_size = am->vlib_rp->virtual_size + MMAP_PAGESIZE;
/*
* Kill the registration pool element before we make
{
pool_put_index (am->vl_clients,
regp->vl_api_registration_pool_index);
- pthread_mutex_lock (&svm->mutex);
- oldheap = svm_push_data_heap (svm);
+ oldheap = vl_msg_push_heap ();
if (mp->do_cleanup)
svm_queue_free (regp->vl_input_queue);
vec_free (regp->name);
/* Poison the old registration */
clib_memset (regp, 0xF1, sizeof (*regp));
clib_mem_free (regp);
- pthread_mutex_unlock (&svm->mutex);
- svm_pop_heap (oldheap);
+ vl_msg_pop_heap (oldheap);
/*
* These messages must be freed manually, since they're set up
* as "bounce" messages. In the private_registration == 1 case,
* don't trace memclnt_keepalive[_reply] msgs
*/
-#define foreach_vlib_api_msg \
-_(MEMCLNT_CREATE, memclnt_create, 1) \
-_(MEMCLNT_DELETE, memclnt_delete, 1) \
-_(MEMCLNT_KEEPALIVE, memclnt_keepalive, 0) \
-_(MEMCLNT_KEEPALIVE_REPLY, memclnt_keepalive_reply, 0)
+#define foreach_vlib_api_msg \
+ _ (MEMCLNT_CREATE, memclnt_create, 0) \
+ _ (MEMCLNT_DELETE, memclnt_delete, 0) \
+ _ (MEMCLNT_KEEPALIVE, memclnt_keepalive, 0) \
+ _ (MEMCLNT_KEEPALIVE_REPLY, memclnt_keepalive_reply, 0)
/*
* memory_api_init
foreach_vlib_api_msg;
#undef _
+#define vl_msg_name_crc_list
+#include <vlibmemory/memclnt.api.h>
+#undef vl_msg_name_crc_list
+
+#define _(id, n, crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
+ foreach_vl_msg_name_crc_memclnt;
+#undef _
+
/*
* special-case freeing of memclnt_delete messages, so we can
* simply munmap pairwise / private API segments...
vec_reset_length (confused_indices);
/* *INDENT-OFF* */
- pool_foreach (regpp, am->vl_clients, ({
+ pool_foreach (regpp, am->vl_clients) {
vl_mem_send_client_keepalive_w_reg (am, now, regpp, &dead_indices,
&confused_indices);
- }));
+ }
/* *INDENT-ON* */
/* This should "never happen," but if it does, fix it... */
if (PREDICT_FALSE (vec_len (dead_indices) > 0))
{
int i;
- svm_region_t *svm;
void *oldheap;
/* Allow the application to clean up its registrations */
handle = vl_msg_api_handle_from_index_and_epoch
(dead_indices[i], shm->application_restarts);
- (void) vl_api_call_reaper_functions (handle);
+ vl_api_call_reaper_functions (handle);
}
}
- svm = am->vlib_rp;
- pthread_mutex_lock (&svm->mutex);
- oldheap = svm_push_data_heap (svm);
+ oldheap = vl_msg_push_heap ();
for (i = 0; i < vec_len (dead_indices); i++)
{
if (regpp)
{
/* Is this a pairwise SVM segment? */
- if ((*regpp)->vlib_rp != svm)
+ if ((*regpp)->vlib_rp != am->vlib_rp)
{
int i;
svm_region_t *dead_rp = (*regpp)->vlib_rp;
}
svm_pop_heap (oldheap);
clib_warning ("private rp %llx AWOL", dead_rp);
- oldheap = svm_push_data_heap (svm);
+ oldheap = svm_push_data_heap (am->vlib_rp);
found:
/* Kill it, accounting for the memfd header page */
clib_unix_warning ("munmap");
/* Reset the queue-length-address cache */
vec_reset_length (vl_api_queue_cursizes);
- oldheap = svm_push_data_heap (svm);
+ oldheap = svm_push_data_heap (am->vlib_rp);
}
else
{
svm_pop_heap (oldheap);
clib_warning ("Duplicate free, client index %d",
regpp - am->vl_clients);
- oldheap = svm_push_data_heap (svm);
+ oldheap = svm_push_data_heap (am->vlib_rp);
}
}
svm_client_scan_this_region_nolock (am->vlib_rp);
- pthread_mutex_unlock (&svm->mutex);
- svm_pop_heap (oldheap);
+ vl_msg_pop_heap (oldheap);
for (i = 0; i < vec_len (dead_indices); i++)
pool_put_index (am->vl_clients, dead_indices[i]);
}
}
+void (*vl_mem_api_fuzz_hook) (u16, void *);
+
+/* This is only to be called from a vlib/vnet app */
+static void
+vl_mem_api_handler_with_vm_node (api_main_t *am, svm_region_t *vlib_rp,
+ void *the_msg, vlib_main_t *vm,
+ vlib_node_runtime_t *node, u8 is_private)
+{
+ u16 id = clib_net_to_host_u16 (*((u16 *) the_msg));
+ u8 *(*handler) (void *, void *, void *);
+ u8 *(*print_fp) (void *, void *);
+ svm_region_t *old_vlib_rp;
+ void *save_shmem_hdr;
+ int is_mp_safe = 1;
+
+ if (PREDICT_FALSE (am->elog_trace_api_messages))
+ {
+ ELOG_TYPE_DECLARE (e) = {
+ .format = "api-msg: %s",
+ .format_args = "T4",
+ };
+ struct
+ {
+ u32 c;
+ } * ed;
+ ed = ELOG_DATA (am->elog_main, e);
+ if (id < vec_len (am->msg_names) && am->msg_names[id])
+ ed->c = elog_string (am->elog_main, (char *) am->msg_names[id]);
+ else
+ ed->c = elog_string (am->elog_main, "BOGUS");
+ }
+
+ if (id < vec_len (am->msg_handlers) && am->msg_handlers[id])
+ {
+ handler = (void *) am->msg_handlers[id];
+
+ if (PREDICT_FALSE (am->rx_trace && am->rx_trace->enabled))
+ vl_msg_api_trace (am, am->rx_trace, the_msg);
+
+ if (PREDICT_FALSE (am->msg_print_flag))
+ {
+ fformat (stdout, "[%d]: %s\n", id, am->msg_names[id]);
+ print_fp = (void *) am->msg_print_handlers[id];
+ if (print_fp == 0)
+ {
+ fformat (stdout, " [no registered print fn for msg %d]\n", id);
+ }
+ else
+ {
+ (*print_fp) (the_msg, vm);
+ }
+ }
+ is_mp_safe = am->is_mp_safe[id];
+
+ if (!is_mp_safe)
+ {
+ vl_msg_api_barrier_trace_context (am->msg_names[id]);
+ vl_msg_api_barrier_sync ();
+ }
+ if (is_private)
+ {
+ old_vlib_rp = am->vlib_rp;
+ save_shmem_hdr = am->shmem_hdr;
+ am->vlib_rp = vlib_rp;
+ am->shmem_hdr = (void *) vlib_rp->user_ctx;
+ }
+
+ if (PREDICT_FALSE (vl_mem_api_fuzz_hook != 0))
+ (*vl_mem_api_fuzz_hook) (id, the_msg);
+
+ if (am->is_autoendian[id])
+ {
+ void (*endian_fp) (void *);
+ endian_fp = am->msg_endian_handlers[id];
+ (*endian_fp) (the_msg);
+ }
+ if (PREDICT_FALSE (vec_len (am->perf_counter_cbs) != 0))
+ clib_call_callbacks (am->perf_counter_cbs, am, id, 0 /* before */);
+
+ (*handler) (the_msg, vm, node);
+
+ if (PREDICT_FALSE (vec_len (am->perf_counter_cbs) != 0))
+ clib_call_callbacks (am->perf_counter_cbs, am, id, 1 /* after */);
+ if (is_private)
+ {
+ am->vlib_rp = old_vlib_rp;
+ am->shmem_hdr = save_shmem_hdr;
+ }
+ if (!is_mp_safe)
+ vl_msg_api_barrier_release ();
+ }
+ else
+ {
+ clib_warning ("no handler for msg id %d", id);
+ }
+
+ /*
+ * Special-case, so we can e.g. bounce messages off the vnet
+ * main thread without copying them...
+ */
+ if (id >= vec_len (am->message_bounce) || !(am->message_bounce[id]))
+ {
+ if (is_private)
+ {
+ old_vlib_rp = am->vlib_rp;
+ save_shmem_hdr = am->shmem_hdr;
+ am->vlib_rp = vlib_rp;
+ am->shmem_hdr = (void *) vlib_rp->user_ctx;
+ }
+ vl_msg_api_free (the_msg);
+ if (is_private)
+ {
+ am->vlib_rp = old_vlib_rp;
+ am->shmem_hdr = save_shmem_hdr;
+ }
+ }
+
+ if (PREDICT_FALSE (am->elog_trace_api_messages))
+ {
+ ELOG_TYPE_DECLARE (e) = { .format = "api-msg-done(%s): %s",
+ .format_args = "t4T4",
+ .n_enum_strings = 2,
+ .enum_strings = {
+ "barrier",
+ "mp-safe",
+ } };
+
+ struct
+ {
+ u32 barrier;
+ u32 c;
+ } * ed;
+ ed = ELOG_DATA (am->elog_main, e);
+ if (id < vec_len (am->msg_names) && am->msg_names[id])
+ ed->c = elog_string (am->elog_main, (char *) am->msg_names[id]);
+ else
+ ed->c = elog_string (am->elog_main, "BOGUS");
+ ed->barrier = is_mp_safe;
+ }
+}
+
static inline int
void_mem_api_handle_msg_i (api_main_t * am, svm_region_t * vlib_rp,
vlib_main_t * vm, vlib_node_runtime_t * node,
if (!svm_queue_sub2 (q, (u8 *) & mp))
{
VL_MSG_API_UNPOISON ((void *) mp);
- vl_msg_api_handler_with_vm_node (am, vlib_rp, (void *) mp, vm, node,
+ vl_mem_api_handler_with_vm_node (am, vlib_rp, (void *) mp, vm, node,
is_private);
return 0;
}
for (i = 0; i < vec_len (vm->processing_rpc_requests); i++)
{
mp = vm->processing_rpc_requests[i];
- vl_msg_api_handler_with_vm_node (am, am->vlib_rp, (void *) mp, vm,
- node, 0 /* is_private */ );
+ vl_mem_api_handler_with_vm_node (am, am->vlib_rp, (void *) mp, vm,
+ node, 0 /* is_private */);
}
vl_msg_api_barrier_release ();
}
u32 reg_index)
{
api_main_t *am = vlibapi_get_main ();
-
return void_mem_api_handle_msg_i (am, am->vlib_private_rps[reg_index], vm,
node, 1 /* is_private */ );
}
/* For horizontal scaling, add a hash table... */
/* *INDENT-OFF* */
- pool_foreach (regpp, am->vl_clients,
- ({
+ pool_foreach (regpp, am->vl_clients)
+ {
regp = *regpp;
if (regp && regp->vlib_rp == vlib_rp)
{
vlib_cli_output (vm, "%s segment rings:", regp->name);
goto found;
}
- }));
+ }
vlib_cli_output (vm, "regp %llx not found?", regp);
continue;
/* *INDENT-ON* */