Changeset eeca8a6 in mainline


Ignore:
Timestamp:
2018-01-16T19:22:58Z (6 years ago)
Author:
Ondřej Hlavatý <aearsis@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
4603b35
Parents:
47e9494
Message:

usb: speed moved from default address reservation to enumeration callback

Location:
uspace
Files:
9 edited

Legend:

Unmodified
Added
Removed

  • uspace/drv/bus/usb/usbhub/port.c

    r47e9494 reeca8a6  
    246246         * TODO: Make the request synchronous.
    247247         */
    248         while ((err = usbhc_reserve_default_address(exch, port->speed)) == EAGAIN) {
     248        while ((err = usbhc_reserve_default_address(exch)) == EAGAIN) {
    249249                fibril_condvar_wait_timeout(&port->state_cv, &port->guard, 500000);
    250250                if (port->state != PORT_CONNECTED) {
    … …  
    271271        port_log(debug, port, "Port reset, enumerating device.");
    272272
    273         if ((err = usbhc_device_enumerate(exch, port->port_number))) {
     273        if ((err = usbhc_device_enumerate(exch, port->port_number, port->speed))) {
    274274                port_log(error, port, "Failed to enumerate device: %s", str_error(err));
    275275                port_change_state(port, PORT_DISABLED);

  • uspace/drv/bus/usb/xhci/rh.c

    r47e9494 reeca8a6  
    169169        }
    170170
    171         device_t *dev = hcd_ddf_fun_create(&rh->hc->base);
     171        const xhci_port_speed_t *port_speed = xhci_rh_get_port_speed(rh, port_id);
     172
     173        device_t *dev = hcd_ddf_fun_create(&rh->hc->base, port_speed->usb_speed);
    172174        if (!dev) {
    173175                usb_log_error("Failed to create USB device function.");
    … …  
    175177        }
    176178
    177         const xhci_port_speed_t *port_speed = xhci_rh_get_port_speed(rh, port_id);
     179        dev->hub = &rh->device.base;
     180        dev->port = port_id;
     181
    178182        xhci_device_t *xhci_dev = xhci_device_get(dev);
    179183        xhci_dev->usb3 = port_speed->major == 3;
    180184        xhci_dev->rh_port = port_id;
    181 
    182         dev->hub = &rh->device.base;
    183         dev->port = port_id;
    184         dev->speed = port_speed->usb_speed;
    185185
    186186        if ((err = bus_device_enumerate(dev))) {

  • uspace/lib/drv/generic/remote_usbhc.c

    r47e9494 reeca8a6  
    5757/** Reserve default USB address.
    5858 * @param[in] exch IPC communication exchange
     59 * @return Error code.
     60 */
     61int usbhc_reserve_default_address(async_exch_t *exch)
     62{
     63        if (!exch)
     64                return EBADMEM;
     65        return async_req_1_0(exch, DEV_IFACE_ID(USBHC_DEV_IFACE), IPC_M_USB_RESERVE_DEFAULT_ADDRESS);
     66}
     67
     68/** Release default USB address.
     69 *
     70 * @param[in] exch IPC communication exchange
     71 *
     72 * @return Error code.
     73 */
     74int usbhc_release_default_address(async_exch_t *exch)
     75{
     76        if (!exch)
     77                return EBADMEM;
     78        return async_req_1_0(exch, DEV_IFACE_ID(USBHC_DEV_IFACE), IPC_M_USB_RELEASE_DEFAULT_ADDRESS);
     79}
     80
     81/**
     82 * Trigger USB device enumeration
     83 *
     84 * @param[in] exch IPC communication exchange
     85 * @param[in] port Port number at which the device is attached
    5986 * @param[in] speed Communication speed of the newly attached device
     87 *
    6088 * @return Error code.
    6189 */
    62 int usbhc_reserve_default_address(async_exch_t *exch, usb_speed_t speed)
    63 {
    64         if (!exch)
    65                 return EBADMEM;
    66         return async_req_2_0(exch, DEV_IFACE_ID(USBHC_DEV_IFACE),
    67             IPC_M_USB_RESERVE_DEFAULT_ADDRESS, speed);
    68 }
    69 
    70 /** Release default USB address.
    71  *
    72  * @param[in] exch IPC communication exchange
    73  *
    74  * @return Error code.
    75  *
    76  */
    77 int usbhc_release_default_address(async_exch_t *exch)
    78 {
    79         if (!exch)
    80                 return EBADMEM;
    81         return async_req_1_0(exch, DEV_IFACE_ID(USBHC_DEV_IFACE),
    82             IPC_M_USB_RELEASE_DEFAULT_ADDRESS);
    83 }
    84 
    85 /** Trigger USB device enumeration
    86  *
    87  * @param[in]  exch   IPC communication exchange
    88  * @param[out] handle Identifier of the newly added device (if successful)
    89  *
    90  * @return Error code.
    91  *
    92  */
    93 int usbhc_device_enumerate(async_exch_t *exch, unsigned port)
    94 {
    95         if (!exch)
    96                 return EBADMEM;
    97         const int ret = async_req_2_0(exch, DEV_IFACE_ID(USBHC_DEV_IFACE),
    98             IPC_M_USB_DEVICE_ENUMERATE, port);
     90int usbhc_device_enumerate(async_exch_t *exch, unsigned port, usb_speed_t speed)
     91{
     92        if (!exch)
     93                return EBADMEM;
     94        const int ret = async_req_3_0(exch, DEV_IFACE_ID(USBHC_DEV_IFACE),
     95            IPC_M_USB_DEVICE_ENUMERATE, port, speed);
    9996        return ret;
    10097}
    … …  
    310307        }
    311308
    312         usb_speed_t speed = DEV_IPC_GET_ARG1(*call);
    313         const int ret = usbhc_iface->reserve_default_address(fun, speed);
     309        const int ret = usbhc_iface->reserve_default_address(fun);
    314310        async_answer_0(callid, ret);
    315311}
    … …  
    340336
    341337        const unsigned port = DEV_IPC_GET_ARG1(*call);
    342         const int ret = usbhc_iface->device_enumerate(fun, port);
     338        usb_speed_t speed = DEV_IPC_GET_ARG2(*call);
     339        const int ret = usbhc_iface->device_enumerate(fun, port, speed);
    343340        async_answer_0(callid, ret);
    344341}

  • uspace/lib/drv/include/usbhc_iface.h

    r47e9494 reeca8a6  
    8080} usb_endpoint_descriptors_t;
    8181
    82 extern int usbhc_reserve_default_address(async_exch_t *, usb_speed_t);
     82extern int usbhc_reserve_default_address(async_exch_t *);
    8383extern int usbhc_release_default_address(async_exch_t *);
    8484
    85 extern int usbhc_device_enumerate(async_exch_t *, unsigned port);
    86 extern int usbhc_device_remove(async_exch_t *, unsigned port);
     85extern int usbhc_device_enumerate(async_exch_t *, unsigned, usb_speed_t);
     86extern int usbhc_device_remove(async_exch_t *, unsigned);
    8787
    8888extern int usbhc_register_endpoint(async_exch_t *, usb_pipe_desc_t *, const usb_endpoint_descriptors_t *);
    … …  
    9999/** USB device communication interface. */
    100100typedef struct {
    101         int (*reserve_default_address)(ddf_fun_t *, usb_speed_t);
     101        int (*reserve_default_address)(ddf_fun_t *);
    102102        int (*release_default_address)(ddf_fun_t *);
    103103
    104         int (*device_enumerate)(ddf_fun_t *, unsigned);
     104        int (*device_enumerate)(ddf_fun_t *, unsigned, usb_speed_t);
    105105        int (*device_remove)(ddf_fun_t *, unsigned);
    106106

  • uspace/lib/usbhost/include/usb/host/bus.h

    r47e9494 reeca8a6  
    140140        const bus_ops_t *ops;
    141141
    142         /* Reserving default address - USB_SPEED_MAX when free. */
    143         usb_speed_t default_address_speed;
     142        /* Reserving default address */
     143        device_t *default_address_owner;
     144        fibril_condvar_t default_address_cv;
    144145
    145146        /* This structure is meant to be extended by overriding. */
    … …  
    169170int bus_endpoint_remove(endpoint_t *);
    170171
    171 int bus_reserve_default_address(bus_t *, usb_speed_t);
    172 void bus_release_default_address(bus_t *);
     172int bus_reserve_default_address(bus_t *, device_t *);
     173void bus_release_default_address(bus_t *, device_t *);
    173174
    174175#endif

  • uspace/lib/usbhost/include/usb/host/ddf_helpers.h

    r47e9494 reeca8a6  
    4848int hcd_setup_virtual_root_hub(hc_device_t *);
    4949
    50 device_t *hcd_ddf_fun_create(hc_device_t *);
     50device_t *hcd_ddf_fun_create(hc_device_t *, usb_speed_t);
    5151void hcd_ddf_fun_destroy(device_t *);
    5252

  • uspace/lib/usbhost/src/bus.c

    r47e9494 reeca8a6  
    6060        fibril_mutex_initialize(&bus->guard);
    6161        bus->device_size = device_size;
    62         bus->default_address_speed = USB_SPEED_MAX;
    6362}
    6463
    … …  
    495494 * The speed is then used for devices enumerated while the address is reserved.
    496495 */
    497 int bus_reserve_default_address(bus_t *bus, usb_speed_t speed)
     496int bus_reserve_default_address(bus_t *bus, device_t *dev)
    498497{
    499498        assert(bus);
    500499
     500        int err;
    501501        fibril_mutex_lock(&bus->guard);
    502         if (bus->default_address_speed != USB_SPEED_MAX) {
    503                 fibril_mutex_unlock(&bus->guard);
    504                 return EAGAIN;
     502        if (bus->default_address_owner != NULL) {
     503                err = (bus->default_address_owner == dev) ? EINVAL : EAGAIN;
    505504        } else {
    506                 bus->default_address_speed = speed;
    507                 fibril_mutex_unlock(&bus->guard);
    508                 return EOK;
    509         }
     505                bus->default_address_owner = dev;
     506                err = EOK;
     507        }
     508        fibril_mutex_unlock(&bus->guard);
     509        return err;
    510510}
    511511
    … …  
    513513 * Release the default address.
    514514 */
    515 void bus_release_default_address(bus_t *bus)
     515void bus_release_default_address(bus_t *bus, device_t *dev)
    516516{
    517517        assert(bus);
    518         bus->default_address_speed = USB_SPEED_MAX;
     518
     519        fibril_mutex_lock(&bus->guard);
     520        if (bus->default_address_owner != dev) {
     521                usb_log_error("Device %d tried to release address, which is not reserved for it.", dev->address);
     522        } else {
     523                bus->default_address_owner = NULL;
     524        }
     525        fibril_mutex_unlock(&bus->guard);
    519526}
    520527

  • uspace/lib/usbhost/src/ddf_helpers.c

    r47e9494 reeca8a6  
    117117 *
    118118 * @param fun DDF function of the device (hub) requesting the address.
    119  * @param speed An USB speed of the device for which the address is reserved.
    120  */
    121 static int reserve_default_address(ddf_fun_t *fun, usb_speed_t speed)
     119 */
     120static int reserve_default_address(ddf_fun_t *fun)
    122121{
    123122        assert(fun);
    … …  
    128127        assert(dev);
    129128
    130         usb_log_debug("Device %d requested default address at %s speed",
    131             dev->address, usb_str_speed(speed));
    132         return bus_reserve_default_address(hcd->bus, speed);
     129        usb_log_debug("Device %d requested default address", dev->address);
     130        return bus_reserve_default_address(hcd->bus, dev);
    133131}
    134132
    … …  
    148146
    149147        usb_log_debug("Device %d released default address", dev->address);
    150         bus_release_default_address(hcd->bus);
     148        bus_release_default_address(hcd->bus, dev);
    151149
    152150        return EOK;
    … …  
    157155 *
    158156 * @param fun DDF function of the device (hub) requesting the address.
    159  */
    160 static int device_enumerate(ddf_fun_t *fun, unsigned port)
     157 * @param speed USB speed of the new device
     158 */
     159static int device_enumerate(ddf_fun_t *fun, unsigned port, usb_speed_t speed)
    161160{
    162161        assert(fun);
    … …  
    170169        int err;
    171170
    172         usb_log_debug("Hub %d reported a new USB device on port: %u",
    173             hub->address, port);
    174 
    175         device_t *dev = hcd_ddf_fun_create(hcd);
     171        usb_log_debug("Hub %d reported a new %s device on port: %u",
     172            hub->address, usb_str_speed(speed), port);
     173
     174        device_t *dev = hcd_ddf_fun_create(hcd, speed);
    176175        if (!dev) {
    177176                usb_log_error("Failed to create USB device function.");
    … …  
    181180        dev->hub = hub;
    182181        dev->port = port;
     182        dev->speed = speed;
    183183
    184184        if ((err = bus_device_enumerate(dev))) {
    … …  
    380380}
    381381
    382 device_t *hcd_ddf_fun_create(hc_device_t *hc)
     382device_t *hcd_ddf_fun_create(hc_device_t *hc, usb_speed_t speed)
    383383{
    384384        /* Create DDF function for the new device */
    … …  
    398398        bus_device_init(dev, hc->bus);
    399399        dev->fun = fun;
     400        dev->speed = speed;
    400401        return dev;
    401402}
    … …  
    464465        assert(hcd);
    465466
    466         if ((err = bus_reserve_default_address(hcd->bus, USB_SPEED_MAX))) {
    467                 usb_log_error("Failed to reserve default address for roothub setup: %s", str_error(err));
    468                 return err;
    469         }
    470 
    471         device_t *dev = hcd_ddf_fun_create(hcd);
     467        device_t *dev = hcd_ddf_fun_create(hcd, USB_SPEED_MAX);
    472468        if (!dev) {
    473469                usb_log_error("Failed to create function for the root hub.");
    474                 goto err_default_address;
     470                return ENOMEM;
    475471        }
    476472
    … …  
    488484        }
    489485
    490         bus_release_default_address(hcd->bus);
    491486        return EOK;
    492487
    … …  
    495490err_usb_dev:
    496491        hcd_ddf_fun_destroy(dev);
    497 err_default_address:
    498         bus_release_default_address(hcd->bus);
    499492        return err;
    500493}

  • uspace/lib/usbhost/src/usb2_bus.c

    r47e9494 reeca8a6  
    190190        usb2_bus_t *bus = bus_to_usb2_bus(dev->bus);
    191191
    192         /* The speed of the new device was reported by the hub when reserving
    193          * default address.
    194          */
    195         dev->speed = bus->base.default_address_speed;
    196192        usb_log_debug("Found new %s speed USB device.", usb_str_speed(dev->speed));
    197193
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