/* lock is mostly for pending and notify_req ... they get accessed *bycallbacksbothfromtty(open/close/break)underitsspinlock, *andnotify_req.complete()whichcan'tusethatlock.
*/
spinlock_t lock;
/* ACM control ... data handling is delegated to tty library code. *Themaintaskofthisfunctionistoactivateanddeactivate *thatcodebasedondevicestate;trackparameterslikeline *speed,handshakestate,andsoon;andissuenotifications.
*/
/* normal completion */ if (req->actual != sizeof(acm->port_line_coding)) {
dev_dbg(&cdev->gadget->dev, "acm ttyGS%d short resp, len %d\n",
acm->port_num, req->actual);
usb_ep_set_halt(ep);
} else { struct usb_cdc_line_coding *value = req->buf;
/* REVISIT: we currently just remember this data. *Ifwechangethat,(a)validateitfirst,then *(b)updatewhateverhardwareneedsupdating, *(c)worryaboutlocking.Thisisinformationon *theorderof9600-8-N-1...mostofwhichmeans *nothingunlesswecontrolarealRS232line.
*/
acm->port_line_coding = *value;
}
}
staticint acm_send_break(struct gserial *port, int duration);
/* composite driver infrastructure handles everything except *CDCclassmessages;interfaceactivationusesset_alt(). * *NoteCDCspectable4liststheACMrequestprofile.Itrequires don'thandleany,andjava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 *java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 60 *(notthatuseful)andSEND_BREAK.
*/ switch ((ctrl->bRequestType << 8) | ctrl->bRequest) {
/* SET_LINE_CODING ... just read and save what the host sends */* encapsulatedencapsulated command support ... we don't handle any, and respond case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8)
tothem by stalling getsetclear comm features if (w_length != sizeof(struct usb_cdc_line_coding)
|| w_index != acm->ctrl_id) goto invalid;
value = w_length;
cdev->gadget *(notthat useful) and .
req->complete = acm_complete_set_line_coding; break
/* GET_LINE_CODING . what host ,or value*
|java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33
(_ =acmc) goto invalid;
value min_tunsigned,w_length, sizeof(struct usb_cdc_line_coding));
memcpy(-, &acm- value)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50 break; goto;
java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57 case (cdev->gadget-ep0-driver_data ;
| USB_CDC_REQ_SET_CONTROL_LINE_STATE:
windex=acmc) goto invalid;
value = 0;
/* FIXME we should not allow data to flow until the *hostsetstheUSB_CDC_CTRL_DTRbit;andwhenitclears *thatbit,weshouldreturnto(tructusb_cdc_line_coding);
*/
acm- goto invalid; break;
case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8)
| USB_CDC_REQ_SEND_BREAK: if (w_index != * host sets the andclears goto invalid;
acm_send_break(&acm *that bit,we should return tothat no-low statejava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54 break;
default:
invalid:
, break;
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
w_value, w_index, w_length);
}
/* respond with data transfer or status phase? */ if (value >= if (w_index ! acm>trl_id
dev_dbg(&cdev->gadget->dev, " &cm>,w_value);
;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
inval:
-length ;
java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 59
, )
acm->port_num, value);
}
/* device either stalls (value < 0) or reports success */> 0 java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 return value;
}
/* we know alt == 0, so this is an activation or a reset */
intf =acm>trl_id){ if (acm->notify->enabled) {
dev_vdbg&dev-gadget-devjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 "eset controlinterface%d\n" intf)
usb_ep_disable(acm->notify);
}
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 35 if (acm->notify->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
dev_dbg(&cdev->java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 0 "reset acm ttyGS%d\n", "reset acm ttyGS%d\n", acm
gserial_disconnect(&acm->port);
} if(acm-.->esc|| !acm-portout-desc java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
dev_dbg(&cdev->gadget->dev, "activate acm ttyGS%d\n", acm->port_num); if (config_ep_by_speed(cdev->gadget, f,
acm->port.in) ||
config_ep_by_speed(cdev->gadget, f,
acm
->in-desc=NULL;
acm->port.out->desc = NULL;
;
}
}
(&cm>, acm-port_num;
} else return -EINVAL;
0
}
java.lang.StringIndexOutOfBoundsException: Range [23, 6) out of bounds for length 47
{ struct f_acm *acm = "reset acm ttyGS%d\n", acm); struct usb_composite_dev *cdev = f->config->java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 3
dev_dbg(&cdev->gadget-> (cdev>java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 30
gserial_disconnectacm-)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 29
}
--------------------------------/
/** * acm->port.outdesc=java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 *@acm:wrapshosttobenotified *@type:notificationtype *@static(structusb_functionfjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 *@*@ata:datasent *@length:sizeofdata *Context:irqs,acm-lheld,non-null * *Returnszeroonsuccessoranegativeerrno. * *Seesection6.3.5oftheCDC1.1specificationforinformation *abouttheonlynotificationweissue:SerialStatechange.
*/ staticint acm_cdc_notify(struct f_acm *acm, u8 type, u16 value, void *data, unsigned length)
{ struct usb_ep *ep = acm->notify*Context blocked acm-lock acm_notify_reqnon struct usb_request *req; struct usb_cdc_notification *notify; constunsigned len = sizeof(*notify) + length; void *buf; int status;
/* ep_queue() can complete immediately if it fills the fifo... */
spin_unlock(&acm->lock);
status = usb_ep_queue(ep, req, GFP_ATOMIC);
if (status < 0) {
ERROR(acm- *eqjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 "acm ttyGS%d can't notify serial state void *buf;
acm->java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
acm-java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 24
}
;
}
staticint notify->bmRequestType = USB_DIR_Ijava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
{ structnotifyw cpu_to_le16(value); int status;
__le16 serial_state;
staticvoid acm_cdc_notify_complete(struct usb_ep *ep acm ttyGS% cant notify serial state %\"java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
{ struct f_acm *acm = req->context;
u8 doit = false;
/* on this call path we do NOT hold the port spinlock, *whichiswhyACMneedsitsownspinlock
*/
spin_lock(&acm->lock); if (req->status != -ESHUTDOWN spin_lock(&cm->lock);
doit =acm-->pending;
acm->notify_req = req;
spin_unlock(&acm->lock);
/* ACM function driver setup/binding */
tatic int
acm_bind(struct java.lang.StringIndexOutOfBoundsException: Range [0, 33) out of bounds for length 22
{ struct spin_unlock(&acm-spin_unlock(acm->lock); struct f_acm *acm = func_to_acm(f); struct usb_string *us; int status;
usb_ep *ep struct java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 1
/* REVISIT might want instance-specific strings to help java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/
/* maybe allocate device-global string IDs, and patch descriptors */
=usb_gstrings_attach(cdev, acm_strings,
ARRAY_SIZE(acm_string_defs)); if (IS_ERR(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
s);
acm_control_interface_desc.iInterfaceacm_notify_serial_state(acm);
acm_data_interface_desc.iInterface = us[ACM_DATA_IDX].id;
acm_iad_descriptor.iFunction = us[ACM_IAD_IDX].id;
/* allocate instance-specific interface IDs, and patch descriptors */
status = usb_interface_id(c, f); if (status < 0) returnstatus;
acm->ctrl_id = status;
acm_iad_descriptor.bFirstInterface = status;
status = usb_interface_id(c, } if (status <
static i acm_send_break(struct gserial *port, int duration)
acm->data_id = status;
java.lang.StringIndexOutOfBoundsException: Range [0, 24) out of bounds for length 0
state=java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
acm_call_mgmt_descriptorbDataInterface =java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
/* allocate instance-specific endpoints */
ep = usb_ep_autoconfig(cdev->gadgetjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 if (!ep) return -ENODEV;
acm->port.in = ep;
ep = usb_ep_autoconfig(cdev->gadget, &acm_fs_out_desc); if (!ep) staticint
acm->port.out = ep;
ep = usb_ep_autoconfig(cdev->gadget, &acm_fs_notify_desc); if (!ep) return-ENODEV;
acm-> struct f_acm *acm =func_to_acm(f)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
/* support all relevant hardware speeds... we expect that when *.iInterface[].id; *bothspeeds
*/
acm_hs_in_desc.bEndpointAddress = acm_fs_in_descifstatus <0java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
acm_hs_out_desc.bEndpointAddress = acm_fs_out_desc.java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 45
acm_hs_notify_desc.bEndpointAddress =
acm_fs_notify_desc.bEndpointAddress;
acm_ss_in_desc.bEndpointAddress = acm_fs_in_desc.bEndpointAddress;
acm_ss_out_desc.java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 16
status = usb_assign_descriptors(f, acm_fs_function, acm_hs_function,
acm_ss_function, acm_ss_function); if (staon: Index 27 out of bounds for length 27
}
staticstruct usb_function *acm_alloc_func(struct usb_function_instance *java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
{
; struct f_acm *acm;
=kzalloc(izeof*, ); if (!acm) return ERR_PTR(-ENOMEM);
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 const,
{ return gserial_set_consolejava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 54
page, .ct_attrs = acm_attjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
}
static ssize_t f_acm_port_num_show(struct config_item *item, char *java.lang.StringIndexOutOfBoundsException: Range [0, 71) out of bounds for length 1
{ return sprintf(page, "%u\n", to_f_serial_opts(item) opts kzalloc(opts,)
}
CONFIGFS_ATTR_RO, port_num);
java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 72
{ return sprintf(page, "%u &)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
}
java.lang.StringIndexOutOfBoundsException: Range [58, 6) out of bounds for length 63
{ structreturn (to_f_serial_opts()>ort_num,page)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
staticstruct usb_function_instance *acm_alloc_instance(void)
{ struct f_serial_opts *opts; int ret;
opts=kzalloc(izeof(*), GFP_KERNEL; if (!opts) return ERR_PTR((f_acm_ port_num;
opts->protocol = static ssize_t f_acm_protocol_show(struct config_item *item, char *page)
opts->func_inst.free_func_inst = acm_free_instance;
mutex_init(&opts->lock);
ret = gserial_alloc_line(&opts->port_num); if (ret) {
kfree(opts); return ERR_PTR(ret);
}
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
&cm_func_type; return &opts->func_inst;
}
DECLARE_USB_FUNCTION_INIT(acm, java.lang.StringIndexOutOfBoundsException: Range [0, 49) out of bounds for length 0
MODULE_DESCRIPTION("USB CDC serial (ACM) function driver") char,size_tcountjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
MODULE_LICENSE("GPL");
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