Changeset 54d71e1 in mainline for uspace/drv/vhc/connhost.c


Ignore:
Timestamp:
2011-04-29T07:05:30Z (14 years ago)
Author:
Matus Dekanek <smekideki@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
361fcec
Parents:
9014dcd (diff), cd4ae1e (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

merge with development

File:
1 edited

Legend:

Unmodified
Added
Removed

  • uspace/drv/vhc/connhost.c

    r9014dcd r54d71e1  
    11/*
    2  * Copyright (c) 2010 Vojtech Horky
     2 * Copyright (c) 2011 Vojtech Horky
    33 * All rights reserved.
    44 *
    … …  
    3131 */
    3232/** @file
    33  * @brief Connection handling of calls from host (implementation).
     33 * Host controller interface implementation.
    3434 */
    3535#include <assert.h>
    … …  
    3838#include <usb/addrkeep.h>
    3939#include <usb/ddfiface.h>
    40 
     40#include <usb/debug.h>
     41#include <usbhc_iface.h>
    4142#include "vhcd.h"
    42 #include "conn.h"
    43 #include "hc.h"
    44 
    45 
    46 typedef struct {
    47         usb_direction_t direction;
    48         usbhc_iface_transfer_out_callback_t out_callback;
    49         usbhc_iface_transfer_in_callback_t in_callback;
    50         ddf_fun_t *fun;
    51         size_t reported_size;
    52         void *arg;
    53 } transfer_info_t;
    54 
    55 typedef struct {
    56         usb_direction_t direction;
    57         usb_target_t target;
    58         usbhc_iface_transfer_out_callback_t out_callback;
    59         usbhc_iface_transfer_in_callback_t in_callback;
    60         ddf_fun_t *fun;
    61         void *arg;
    62         void *data_buffer;
    63         size_t data_buffer_size;
    64 } control_transfer_info_t;
    65 
    66 static void universal_callback(void *buffer, size_t size,
    67     int outcome, void *arg)
    68 {
    69         transfer_info_t *transfer = (transfer_info_t *) arg;
    70 
    71         if (transfer->reported_size != (size_t) -1) {
    72                 size = transfer->reported_size;
    73         }
    74 
    75         switch (transfer->direction) {
    76                 case USB_DIRECTION_IN:
    77                         transfer->in_callback(transfer->fun,
    78                             outcome, size,
    79                             transfer->arg);
    80                         break;
    81                 case USB_DIRECTION_OUT:
    82                         transfer->out_callback(transfer->fun,
    83                             outcome,
    84                             transfer->arg);
    85                         break;
    86                 default:
    87                         assert(false && "unreachable");
    88                         break;
    89         }
    90 
    91         free(transfer);
    92 }
    93 
    94 static transfer_info_t *create_transfer_info(ddf_fun_t *fun,
    95     usb_direction_t direction, void *arg)
    96 {
    97         transfer_info_t *transfer = malloc(sizeof(transfer_info_t));
    98 
    99         transfer->direction = direction;
    100         transfer->in_callback = NULL;
    101         transfer->out_callback = NULL;
    102         transfer->arg = arg;
    103         transfer->fun = fun;
    104         transfer->reported_size = (size_t) -1;
    105 
    106         return transfer;
    107 }
    108 
    109 static void control_abort_prematurely(control_transfer_info_t *transfer,
    110     size_t size, int outcome)
    111 {
    112         switch (transfer->direction) {
    113                 case USB_DIRECTION_IN:
    114                         transfer->in_callback(transfer->fun,
    115                             outcome, size,
    116                             transfer->arg);
    117                         break;
    118                 case USB_DIRECTION_OUT:
    119                         transfer->out_callback(transfer->fun,
    120                             outcome,
    121                             transfer->arg);
    122                         break;
    123                 default:
    124                         assert(false && "unreachable");
    125                         break;
    126         }
    127 }
    128 
    129 static void control_callback_two(void *buffer, size_t size,
    130     int outcome, void *arg)
    131 {
    132         control_transfer_info_t *ctrl_transfer = (control_transfer_info_t *) arg;
    133 
    134         if (outcome != EOK) {
    135                 control_abort_prematurely(ctrl_transfer, outcome, size);
    136                 free(ctrl_transfer);
    137                 return;
    138         }
    139 
    140         transfer_info_t *transfer  = create_transfer_info(ctrl_transfer->fun,
    141             ctrl_transfer->direction, ctrl_transfer->arg);
    142         transfer->out_callback = ctrl_transfer->out_callback;
    143         transfer->in_callback = ctrl_transfer->in_callback;
    144         transfer->reported_size = size;
    145 
    146         switch (ctrl_transfer->direction) {
    147                 case USB_DIRECTION_IN:
    148                         hc_add_transaction_to_device(false, ctrl_transfer->target,
    149                             USB_TRANSFER_CONTROL,
    150                             NULL, 0,
    151                             universal_callback, transfer);
    152                         break;
    153                 case USB_DIRECTION_OUT:
    154                         hc_add_transaction_from_device(ctrl_transfer->target,
    155                             USB_TRANSFER_CONTROL,
    156                             NULL, 0,
    157                             universal_callback, transfer);
    158                         break;
    159                 default:
    160                         assert(false && "unreachable");
    161                         break;
    162         }
    163 
    164         free(ctrl_transfer);
    165 }
    166 
    167 static void control_callback_one(void *buffer, size_t size,
    168     int outcome, void *arg)
    169 {
    170         control_transfer_info_t *transfer = (control_transfer_info_t *) arg;
    171 
    172         if (outcome != EOK) {
    173                 control_abort_prematurely(transfer, outcome, size);
    174                 free(transfer);
    175                 return;
    176         }
    177 
    178         switch (transfer->direction) {
    179                 case USB_DIRECTION_IN:
    180                         hc_add_transaction_from_device(transfer->target,
    181                             USB_TRANSFER_CONTROL,
    182                             transfer->data_buffer, transfer->data_buffer_size,
    183                             control_callback_two, transfer);
    184                         break;
    185                 case USB_DIRECTION_OUT:
    186                         hc_add_transaction_to_device(false, transfer->target,
    187                             USB_TRANSFER_CONTROL,
    188                             transfer->data_buffer, transfer->data_buffer_size,
    189                             control_callback_two, transfer);
    190                         break;
    191                 default:
    192                         assert(false && "unreachable");
    193                         break;
    194         }
    195 }
    196 
    197 static control_transfer_info_t *create_control_transfer_info(ddf_fun_t *fun,
    198     usb_direction_t direction, usb_target_t target,
    199     void *data_buffer, size_t data_buffer_size,
    200     void *arg)
    201 {
    202         control_transfer_info_t *transfer
    203             = malloc(sizeof(control_transfer_info_t));
    204 
    205         transfer->direction = direction;
    206         transfer->target = target;
    207         transfer->in_callback = NULL;
    208         transfer->out_callback = NULL;
    209         transfer->arg = arg;
    210         transfer->fun = fun;
    211         transfer->data_buffer = data_buffer;
    212         transfer->data_buffer_size = data_buffer_size;
    213 
    214         return transfer;
    215 }
    216 
    217 static int enqueue_transfer_out(ddf_fun_t *fun,
    218     usb_target_t target, usb_transfer_type_t transfer_type,
    219     void *buffer, size_t size,
    220     usbhc_iface_transfer_out_callback_t callback, void *arg)
    221 {
    222         usb_log_debug2("Transfer OUT [%d.%d (%s); %zu].\n",
    223             target.address, target.endpoint,
    224             usb_str_transfer_type(transfer_type),
    225             size);
    226 
    227         transfer_info_t *transfer
    228             = create_transfer_info(fun, USB_DIRECTION_OUT, arg);
    229         transfer->out_callback = callback;
    230 
    231         hc_add_transaction_to_device(false, target, transfer_type, buffer, size,
    232             universal_callback, transfer);
    233 
    234         return EOK;
    235 }
    236 
    237 static int enqueue_transfer_in(ddf_fun_t *fun,
    238     usb_target_t target, usb_transfer_type_t transfer_type,
    239     void *buffer, size_t size,
    240     usbhc_iface_transfer_in_callback_t callback, void *arg)
    241 {
    242         usb_log_debug2("Transfer IN [%d.%d (%s); %zu].\n",
    243             target.address, target.endpoint,
    244             usb_str_transfer_type(transfer_type),
    245             size);
    246 
    247         transfer_info_t *transfer
    248             = create_transfer_info(fun, USB_DIRECTION_IN, arg);
    249         transfer->in_callback = callback;
    250 
    251         hc_add_transaction_from_device(target, transfer_type, buffer, size,
    252             universal_callback, transfer);
    253 
    254         return EOK;
    255 }
    256 
    257 
     43
     44#define GET_VHC_DATA(fun) \
     45        ((vhc_data_t *)fun->dev->driver_data)
     46#define VHC_DATA(vhc, fun) \
     47        vhc_data_t *vhc = GET_VHC_DATA(fun); assert(vhc->magic == 0xdeadbeef)
     48
     49#define UNSUPPORTED(methodname) \
     50        usb_log_warning("Unsupported interface method `%s()' in %s:%d.\n", \
     51            methodname, __FILE__, __LINE__)
     52
     53/** Found free USB address.
     54 *
     55 * @param[in] fun Device function the action was invoked on.
     56 * @param[in] speed Speed of the device that will get this address.
     57 * @param[out] address Non-null pointer where to store the free address.
     58 * @return Error code.
     59 */
     60static int request_address(ddf_fun_t *fun, usb_speed_t speed,
     61    usb_address_t *address)
     62{
     63        VHC_DATA(vhc, fun);
     64
     65        usb_address_t addr = device_keeper_get_free_address(&vhc->dev_keeper,
     66            USB_SPEED_HIGH);
     67        if (addr < 0) {
     68                return addr;
     69        }
     70
     71        if (address != NULL) {
     72                *address = addr;
     73        }
     74
     75        return EOK;
     76}
     77
     78/** Bind USB address with device devman handle.
     79 *
     80 * @param[in] fun Device function the action was invoked on.
     81 * @param[in] address USB address of the device.
     82 * @param[in] handle Devman handle of the device.
     83 * @return Error code.
     84 */
     85static int bind_address(ddf_fun_t *fun,
     86    usb_address_t address, devman_handle_t handle)
     87{
     88        VHC_DATA(vhc, fun);
     89        usb_log_debug("Binding handle %" PRIun " to address %d.\n",
     90            handle, address);
     91        usb_device_keeper_bind(&vhc->dev_keeper, address, handle);
     92
     93        return EOK;
     94}
     95
     96/** Release previously requested address.
     97 *
     98 * @param[in] fun Device function the action was invoked on.
     99 * @param[in] address USB address to be released.
     100 * @return Error code.
     101 */
     102static int release_address(ddf_fun_t *fun, usb_address_t address)
     103{
     104        VHC_DATA(vhc, fun);
     105        usb_log_debug("Releasing address %d...\n", address);
     106        usb_device_keeper_release(&vhc->dev_keeper, address);
     107
     108        return ENOTSUP;
     109}
     110
     111/** Register endpoint for bandwidth reservation.
     112 *
     113 * @param[in] fun Device function the action was invoked on.
     114 * @param[in] address USB address of the device.
     115 * @param[in] speed Endpoint speed (invalid means to use device one).
     116 * @param[in] endpoint Endpoint number.
     117 * @param[in] transfer_type USB transfer type.
     118 * @param[in] direction Endpoint data direction.
     119 * @param[in] max_packet_size Max packet size of the endpoint.
     120 * @param[in] interval Polling interval.
     121 * @return Error code.
     122 */
     123static int register_endpoint(ddf_fun_t *fun,
     124    usb_address_t address, usb_speed_t speed, usb_endpoint_t endpoint,
     125    usb_transfer_type_t transfer_type, usb_direction_t direction,
     126    size_t max_packet_size, unsigned int interval)
     127{
     128        VHC_DATA(vhc, fun);
     129
     130        endpoint_t *ep = malloc(sizeof(endpoint_t));
     131        if (ep == NULL) {
     132                return ENOMEM;
     133        }
     134
     135        int rc = endpoint_init(ep, address, endpoint, direction, transfer_type,
     136            USB_SPEED_FULL, 1);
     137        if (rc != EOK) {
     138                free(ep);
     139                return rc;
     140        }
     141
     142        rc = usb_endpoint_manager_register_ep(&vhc->ep_manager, ep, 1);
     143        if (rc != EOK) {
     144                endpoint_destroy(ep);
     145                return rc;
     146        }
     147
     148        return EOK;
     149}
     150
     151/** Unregister endpoint (free some bandwidth reservation).
     152 *
     153 * @param[in] fun Device function the action was invoked on.
     154 * @param[in] address USB address of the device.
     155 * @param[in] endpoint Endpoint number.
     156 * @param[in] direction Endpoint data direction.
     157 * @return Error code.
     158 */
     159static int unregister_endpoint(ddf_fun_t *fun, usb_address_t address,
     160    usb_endpoint_t endpoint, usb_direction_t direction)
     161{
     162        VHC_DATA(vhc, fun);
     163
     164        endpoint_t *ep = usb_endpoint_manager_get_ep(&vhc->ep_manager,
     165            address, endpoint, direction, NULL);
     166        if (ep == NULL) {
     167                return ENOENT;
     168        }
     169
     170        int rc = usb_endpoint_manager_unregister_ep(&vhc->ep_manager,
     171            address, endpoint, direction);
     172
     173        return rc;
     174}
     175
     176/** Schedule interrupt out transfer.
     177 *
     178 * The callback is supposed to be called once the transfer (on the wire) is
     179 * complete regardless of the outcome.
     180 * However, the callback could be called only when this function returns
     181 * with success status (i.e. returns EOK).
     182 *
     183 * @param[in] fun Device function the action was invoked on.
     184 * @param[in] target Target pipe (address and endpoint number) specification.
     185 * @param[in] data Data to be sent (in USB endianess, allocated and deallocated
     186 *      by the caller).
     187 * @param[in] size Size of the @p data buffer in bytes.
     188 * @param[in] callback Callback to be issued once the transfer is complete.
     189 * @param[in] arg Pass-through argument to the callback.
     190 * @return Error code.
     191 */
    258192static int interrupt_out(ddf_fun_t *fun, usb_target_t target,
    259193    void *data, size_t size,
    260194    usbhc_iface_transfer_out_callback_t callback, void *arg)
    261195{
    262         return enqueue_transfer_out(fun, target, USB_TRANSFER_INTERRUPT,
    263             data, size,
    264             callback, arg);
    265 }
    266 
     196        VHC_DATA(vhc, fun);
     197
     198        vhc_transfer_t *transfer = vhc_transfer_create(target.address,
     199            target.endpoint, USB_DIRECTION_OUT, USB_TRANSFER_INTERRUPT,
     200            fun, arg);
     201        if (transfer == NULL) {
     202                return ENOMEM;
     203        }
     204
     205        transfer->data_buffer = data;
     206        transfer->data_buffer_size = size;
     207        transfer->callback_out = callback;
     208
     209        int rc = vhc_virtdev_add_transfer(vhc, transfer);
     210        if (rc != EOK) {
     211                free(transfer);
     212                return rc;
     213        }
     214
     215        return EOK;
     216}
     217
     218/** Schedule interrupt in transfer.
     219 *
     220 * The callback is supposed to be called once the transfer (on the wire) is
     221 * complete regardless of the outcome.
     222 * However, the callback could be called only when this function returns
     223 * with success status (i.e. returns EOK).
     224 *
     225 * @param[in] fun Device function the action was invoked on.
     226 * @param[in] target Target pipe (address and endpoint number) specification.
     227 * @param[in] data Buffer where to store the data (in USB endianess,
     228 *      allocated and deallocated by the caller).
     229 * @param[in] size Size of the @p data buffer in bytes.
     230 * @param[in] callback Callback to be issued once the transfer is complete.
     231 * @param[in] arg Pass-through argument to the callback.
     232 * @return Error code.
     233 */
    267234static int interrupt_in(ddf_fun_t *fun, usb_target_t target,
    268235    void *data, size_t size,
    269236    usbhc_iface_transfer_in_callback_t callback, void *arg)
    270237{
    271         return enqueue_transfer_in(fun, target, USB_TRANSFER_INTERRUPT,
    272             data, size,
    273             callback, arg);
    274 }
    275 
     238        VHC_DATA(vhc, fun);
     239
     240        vhc_transfer_t *transfer = vhc_transfer_create(target.address,
     241            target.endpoint, USB_DIRECTION_IN, USB_TRANSFER_INTERRUPT,
     242            fun, arg);
     243        if (transfer == NULL) {
     244                return ENOMEM;
     245        }
     246
     247        transfer->data_buffer = data;
     248        transfer->data_buffer_size = size;
     249        transfer->callback_in = callback;
     250
     251        int rc = vhc_virtdev_add_transfer(vhc, transfer);
     252        if (rc != EOK) {
     253                free(transfer);
     254                return rc;
     255        }
     256
     257        return EOK;
     258}
     259
     260/** Schedule bulk out transfer.
     261 *
     262 * The callback is supposed to be called once the transfer (on the wire) is
     263 * complete regardless of the outcome.
     264 * However, the callback could be called only when this function returns
     265 * with success status (i.e. returns EOK).
     266 *
     267 * @param[in] fun Device function the action was invoked on.
     268 * @param[in] target Target pipe (address and endpoint number) specification.
     269 * @param[in] data Data to be sent (in USB endianess, allocated and deallocated
     270 *      by the caller).
     271 * @param[in] size Size of the @p data buffer in bytes.
     272 * @param[in] callback Callback to be issued once the transfer is complete.
     273 * @param[in] arg Pass-through argument to the callback.
     274 * @return Error code.
     275 */
     276static int bulk_out(ddf_fun_t *fun, usb_target_t target,
     277    void *data, size_t size,
     278    usbhc_iface_transfer_out_callback_t callback, void *arg)
     279{
     280        UNSUPPORTED("bulk_out");
     281
     282        return ENOTSUP;
     283}
     284
     285/** Schedule bulk in transfer.
     286 *
     287 * The callback is supposed to be called once the transfer (on the wire) is
     288 * complete regardless of the outcome.
     289 * However, the callback could be called only when this function returns
     290 * with success status (i.e. returns EOK).
     291 *
     292 * @param[in] fun Device function the action was invoked on.
     293 * @param[in] target Target pipe (address and endpoint number) specification.
     294 * @param[in] data Buffer where to store the data (in USB endianess,
     295 *      allocated and deallocated by the caller).
     296 * @param[in] size Size of the @p data buffer in bytes.
     297 * @param[in] callback Callback to be issued once the transfer is complete.
     298 * @param[in] arg Pass-through argument to the callback.
     299 * @return Error code.
     300 */
     301static int bulk_in(ddf_fun_t *fun, usb_target_t target,
     302    void *data, size_t size,
     303    usbhc_iface_transfer_in_callback_t callback, void *arg)
     304{
     305        UNSUPPORTED("bulk_in");
     306
     307        return ENOTSUP;
     308}
     309
     310/** Schedule control write transfer.
     311 *
     312 * The callback is supposed to be called once the transfer (on the wire) is
     313 * complete regardless of the outcome.
     314 * However, the callback could be called only when this function returns
     315 * with success status (i.e. returns EOK).
     316 *
     317 * @param[in] fun Device function the action was invoked on.
     318 * @param[in] target Target pipe (address and endpoint number) specification.
     319 * @param[in] setup_packet Setup packet buffer (in USB endianess, allocated
     320 *      and deallocated by the caller).
     321 * @param[in] setup_packet_size Size of @p setup_packet buffer in bytes.
     322 * @param[in] data_buffer Data buffer (in USB endianess, allocated and
     323 *      deallocated by the caller).
     324 * @param[in] data_buffer_size Size of @p data_buffer buffer in bytes.
     325 * @param[in] callback Callback to be issued once the transfer is complete.
     326 * @param[in] arg Pass-through argument to the callback.
     327 * @return Error code.
     328 */
    276329static int control_write(ddf_fun_t *fun, usb_target_t target,
    277330    void *setup_packet, size_t setup_packet_size,
    278     void *data, size_t data_size,
     331    void *data_buffer, size_t data_buffer_size,
    279332    usbhc_iface_transfer_out_callback_t callback, void *arg)
    280333{
    281         control_transfer_info_t *transfer
    282             = create_control_transfer_info(fun, USB_DIRECTION_OUT, target,
    283             data, data_size, arg);
    284         transfer->out_callback = callback;
    285 
    286         hc_add_transaction_to_device(true, target, USB_TRANSFER_CONTROL,
    287             setup_packet, setup_packet_size,
    288             control_callback_one, transfer);
    289 
    290         return EOK;
    291 }
    292 
     334        VHC_DATA(vhc, fun);
     335
     336        vhc_transfer_t *transfer = vhc_transfer_create(target.address,
     337            target.endpoint, USB_DIRECTION_OUT, USB_TRANSFER_CONTROL,
     338            fun, arg);
     339        if (transfer == NULL) {
     340                return ENOMEM;
     341        }
     342
     343        transfer->setup_buffer = setup_packet;
     344        transfer->setup_buffer_size = setup_packet_size;
     345        transfer->data_buffer = data_buffer;
     346        transfer->data_buffer_size = data_buffer_size;
     347        transfer->callback_out = callback;
     348
     349        int rc = vhc_virtdev_add_transfer(vhc, transfer);
     350        if (rc != EOK) {
     351                free(transfer);
     352                return rc;
     353        }
     354
     355        return EOK;
     356}
     357
     358/** Schedule control read transfer.
     359 *
     360 * The callback is supposed to be called once the transfer (on the wire) is
     361 * complete regardless of the outcome.
     362 * However, the callback could be called only when this function returns
     363 * with success status (i.e. returns EOK).
     364 *
     365 * @param[in] fun Device function the action was invoked on.
     366 * @param[in] target Target pipe (address and endpoint number) specification.
     367 * @param[in] setup_packet Setup packet buffer (in USB endianess, allocated
     368 *      and deallocated by the caller).
     369 * @param[in] setup_packet_size Size of @p setup_packet buffer in bytes.
     370 * @param[in] data_buffer Buffer where to store the data (in USB endianess,
     371 *      allocated and deallocated by the caller).
     372 * @param[in] data_buffer_size Size of @p data_buffer buffer in bytes.
     373 * @param[in] callback Callback to be issued once the transfer is complete.
     374 * @param[in] arg Pass-through argument to the callback.
     375 * @return Error code.
     376 */
    293377static int control_read(ddf_fun_t *fun, usb_target_t target,
    294378    void *setup_packet, size_t setup_packet_size,
    295     void *data, size_t data_size,
     379    void *data_buffer, size_t data_buffer_size,
    296380    usbhc_iface_transfer_in_callback_t callback, void *arg)
    297381{
    298         control_transfer_info_t *transfer
    299             = create_control_transfer_info(fun, USB_DIRECTION_IN, target,
    300             data, data_size, arg);
    301         transfer->in_callback = callback;
    302 
    303         hc_add_transaction_to_device(true, target, USB_TRANSFER_CONTROL,
    304             setup_packet, setup_packet_size,
    305             control_callback_one, transfer);
    306 
    307         return EOK;
    308 }
    309 
    310 static usb_address_keeping_t addresses;
     382        VHC_DATA(vhc, fun);
     383
     384        vhc_transfer_t *transfer = vhc_transfer_create(target.address,
     385            target.endpoint, USB_DIRECTION_IN, USB_TRANSFER_CONTROL,
     386            fun, arg);
     387        if (transfer == NULL) {
     388                return ENOMEM;
     389        }
     390
     391        transfer->setup_buffer = setup_packet;
     392        transfer->setup_buffer_size = setup_packet_size;
     393        transfer->data_buffer = data_buffer;
     394        transfer->data_buffer_size = data_buffer_size;
     395        transfer->callback_in = callback;
     396
     397        int rc = vhc_virtdev_add_transfer(vhc, transfer);
     398        if (rc != EOK) {
     399                free(transfer);
     400                return rc;
     401        }
     402
     403        return EOK;
     404}
    311405
    312406static int tell_address(ddf_fun_t *fun, devman_handle_t handle,
    313407    usb_address_t *address)
    314408{
    315         usb_log_debug("tell_address(fun \"%s\", handle %zu)\n",
    316             fun->name, (size_t) fun->handle);
    317         usb_address_t addr = usb_address_keeping_find(&addresses, handle);
     409        UNSUPPORTED("tell_address");
     410
     411        return ENOTSUP;
     412}
     413
     414static int usb_iface_get_hc_handle_rh_impl(ddf_fun_t *root_hub_fun,
     415    devman_handle_t *handle)
     416{
     417        VHC_DATA(vhc, root_hub_fun);
     418
     419        *handle = vhc->hc_fun->handle;
     420
     421        return EOK;
     422}
     423
     424static int tell_address_rh(ddf_fun_t *root_hub_fun, devman_handle_t handle,
     425    usb_address_t *address)
     426{
     427        VHC_DATA(vhc, root_hub_fun);
     428
     429        if (handle == 0) {
     430                handle = root_hub_fun->handle;
     431        }
     432
     433        usb_log_debug("tell_address_rh(handle=%" PRIun ")\n", handle);
     434        usb_address_t addr = usb_device_keeper_find(&vhc->dev_keeper, handle);
    318435        if (addr < 0) {
    319436                return addr;
    320         }
    321 
    322         *address = addr;
    323         return EOK;
    324 }
    325 
    326 static int request_address(ddf_fun_t *fun, usb_speed_t ignored,
    327     usb_address_t *address)
    328 {
    329         usb_address_t addr = usb_address_keeping_request(&addresses);
    330         if (addr < 0) {
    331                 return (int)addr;
    332         }
    333 
    334         *address = addr;
    335         return EOK;
    336 }
    337 
    338 static int release_address(ddf_fun_t *fun, usb_address_t address)
    339 {
    340         return usb_address_keeping_release(&addresses, address);
    341 }
    342 
    343 static int bind_address(ddf_fun_t *fun, usb_address_t address,
    344     devman_handle_t handle)
    345 {
    346         usb_address_keeping_devman_bind(&addresses, address, handle);
    347         return EOK;
    348 }
    349 
    350 static int usb_iface_get_hc_handle_rh_impl(ddf_fun_t *root_hub_fun,
    351     devman_handle_t *handle)
    352 {
    353         ddf_fun_t *hc_fun = root_hub_fun->driver_data;
    354         assert(hc_fun != NULL);
    355 
    356         *handle = hc_fun->handle;
    357 
    358         usb_log_debug("usb_iface_get_hc_handle_rh_impl returns %zu\n", *handle);
    359 
    360         return EOK;
    361 }
    362 
    363 static int tell_address_rh(ddf_fun_t *root_hub_fun, devman_handle_t handle,
    364     usb_address_t *address)
    365 {
    366         ddf_fun_t *hc_fun = root_hub_fun->driver_data;
    367         assert(hc_fun != NULL);
    368 
    369         return tell_address(hc_fun, root_hub_fun->handle, address);
    370 }
    371 
    372 void address_init(void)
    373 {
    374         usb_address_keeping_init(&addresses, 50);
     437        } else {
     438                *address = addr;
     439                return EOK;
     440        }
    375441}
    376442
    … …  
    380446        .release_address = release_address,
    381447
     448        .register_endpoint = register_endpoint,
     449        .unregister_endpoint = unregister_endpoint,
     450
    382451        .interrupt_out = interrupt_out,
    383452        .interrupt_in = interrupt_in,
     453
     454        .bulk_in = bulk_in,
     455        .bulk_out = bulk_out,
    384456
    385457        .control_write = control_write,
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