/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Copyright (c) 2015-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
#include <vppinfra/bitmap.h>
#include <vppinfra/fifo.h>
#include <vppinfra/time.h>
-#include <vppinfra/mheap.h>
#include <vppinfra/heap.h>
#include <vppinfra/pool.h>
#include <vppinfra/format.h>
+#include <vppinfra/lock.h>
#ifndef MMAP_PAGESIZE
#define MMAP_PAGESIZE (clib_mem_get_page_size())
uword ssvm_va;
/* The actual mmap size */
uword ssvm_size;
- u32 master_pid;
- u32 slave_pid;
+ u32 server_pid;
+ u32 client_pid;
u8 *name;
void *opaque[SSVM_N_OPAQUE];
- /* Set when the master application thinks it's time to make the donuts */
+ /* Set when server init done */
volatile u32 ready;
ssvm_segment_type_t type;
typedef struct
{
ssvm_shared_header_t *sh;
- u64 ssvm_size;
+ uword ssvm_size;
+ uword requested_va;
u32 my_pid;
u8 *name;
- uword requested_va;
- int i_am_master;
+ u8 numa; /**< UNUSED: numa requested at alloc time */
+ int is_server;
union
{
}
while (clib_atomic_test_and_set (&h->lock))
- ;
+ CLIB_PAUSE ();
h->owner_pid = my_pid;
h->recursion_count = 1;
ssvm_lock_non_recursive (ssvm_shared_header_t * h, u32 tag)
{
while (clib_atomic_test_and_set (&h->lock))
- ;
+ CLIB_PAUSE ();
h->tag = tag;
}
{
h->owner_pid = 0;
h->tag = 0;
- CLIB_MEMORY_BARRIER ();
- h->lock = 0;
+ clib_atomic_release (&h->lock);
}
}
ssvm_unlock_non_recursive (ssvm_shared_header_t * h)
{
h->tag = 0;
- CLIB_MEMORY_BARRIER ();
- h->lock = 0;
+ clib_atomic_release (&h->lock);
}
static inline void *
ssvm_push_heap (ssvm_shared_header_t * sh)
{
- u8 *oldheap;
+ clib_mem_heap_t *oldheap;
oldheap = clib_mem_set_heap (sh->heap);
return ((void *) oldheap);
}
static inline void *
ssvm_mem_alloc (ssvm_private_t * ssvm, uword size)
{
- u8 *oldheap;
+ clib_mem_heap_t *oldheap;
void *rv;
oldheap = clib_mem_set_heap (ssvm->sh->heap);
#define foreach_ssvm_api_error \
_(NO_NAME, "No shared segment name", -100) \
-_(NO_SIZE, "Size not set (master)", -101) \
+_(NO_SIZE, "Size not set (server)", -101) \
_(CREATE_FAILURE, "Create failed", -102) \
_(SET_SIZE, "Set size failed", -103) \
_(MMAP, "mmap failed", -104) \
-_(SLAVE_TIMEOUT, "Slave map timeout", -105)
+_(CLIENT_TIMEOUT, "Client map timeout", -105)
typedef enum
{
#define SSVM_API_ERROR_NO_NAME (-10)
-int ssvm_master_init (ssvm_private_t * ssvm, ssvm_segment_type_t type);
-int ssvm_slave_init (ssvm_private_t * ssvm, ssvm_segment_type_t type);
+int ssvm_server_init (ssvm_private_t * ssvm, ssvm_segment_type_t type);
+int ssvm_client_init (ssvm_private_t * ssvm, ssvm_segment_type_t type);
void ssvm_delete (ssvm_private_t * ssvm);
-int ssvm_master_init_shm (ssvm_private_t * ssvm);
-int ssvm_slave_init_shm (ssvm_private_t * ssvm);
+int ssvm_server_init_shm (ssvm_private_t * ssvm);
+int ssvm_client_init_shm (ssvm_private_t * ssvm);
void ssvm_delete_shm (ssvm_private_t * ssvm);
-int ssvm_master_init_memfd (ssvm_private_t * memfd);
-int ssvm_slave_init_memfd (ssvm_private_t * memfd);
+int ssvm_server_init_memfd (ssvm_private_t * memfd);
+int ssvm_client_init_memfd (ssvm_private_t * memfd);
void ssvm_delete_memfd (ssvm_private_t * memfd);
-int ssvm_master_init_private (ssvm_private_t * ssvm);
-int ssvm_slave_init_private (ssvm_private_t * ssvm);
+int ssvm_server_init_private (ssvm_private_t * ssvm);
+int ssvm_client_init_private (ssvm_private_t * ssvm);
void ssvm_delete_private (ssvm_private_t * ssvm);
ssvm_segment_type_t ssvm_type (const ssvm_private_t * ssvm);