122 /*
 123  * If grabbing both device_list mutex & globalchan_list mutex,
 124  * Always grab globalchan_list mutex before device_list mutex
 125  */
 126 typedef struct dcopy_state_s {
 127         dcopy_list_t            d_device_list;
 128         dcopy_list_t            d_globalchan_list;
 129 } dcopy_state_t;
 130 dcopy_state_t *dcopy_statep;
 131 
 132 
 133 /* Module Driver Info */
 134 static struct modlmisc dcopy_modlmisc = {
 135         &mod_miscops,
 136         "dcopy kernel module"
 137 };
 138 
 139 /* Module Linkage */
 140 static struct modlinkage dcopy_modlinkage = {
 141         MODREV_1,
 142         &dcopy_modlmisc,
 143         NULL
 144 };
 145 
 146 static int dcopy_init();
 147 static void dcopy_fini();
 148 
 149 static int dcopy_list_init(dcopy_list_t *list, size_t node_size,
 150     offset_t link_offset);
 151 static void dcopy_list_fini(dcopy_list_t *list);
 152 static void dcopy_list_push(dcopy_list_t *list, void *list_node);
 153 static void *dcopy_list_pop(dcopy_list_t *list);
 154 
 155 static void dcopy_device_cleanup(dcopy_device_handle_t device,
 156     boolean_t do_callback);
 157 
 158 static int dcopy_stats_init(dcopy_handle_t channel);
 159 static void dcopy_stats_fini(dcopy_handle_t channel);
 160 
 161 
 162 /*
 163  * _init()

 122 /*
 123  * If grabbing both device_list mutex & globalchan_list mutex,
 124  * Always grab globalchan_list mutex before device_list mutex
 125  */
 126 typedef struct dcopy_state_s {
 127         dcopy_list_t            d_device_list;
 128         dcopy_list_t            d_globalchan_list;
 129 } dcopy_state_t;
 130 dcopy_state_t *dcopy_statep;
 131 
 132 
 133 /* Module Driver Info */
 134 static struct modlmisc dcopy_modlmisc = {
 135         &mod_miscops,
 136         "dcopy kernel module"
 137 };
 138 
 139 /* Module Linkage */
 140 static struct modlinkage dcopy_modlinkage = {
 141         MODREV_1,
 142         { &dcopy_modlmisc, NULL }

 143 };
 144 
 145 static int dcopy_init();
 146 static void dcopy_fini();
 147 
 148 static int dcopy_list_init(dcopy_list_t *list, size_t node_size,
 149     offset_t link_offset);
 150 static void dcopy_list_fini(dcopy_list_t *list);
 151 static void dcopy_list_push(dcopy_list_t *list, void *list_node);
 152 static void *dcopy_list_pop(dcopy_list_t *list);
 153 
 154 static void dcopy_device_cleanup(dcopy_device_handle_t device,
 155     boolean_t do_callback);
 156 
 157 static int dcopy_stats_init(dcopy_handle_t channel);
 158 static void dcopy_stats_fini(dcopy_handle_t channel);
 159 
 160 
 161 /*
 162  * _init()