/* 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.(byDavid *theorderof9600-8-N-1...mostjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 48 *nothingunlesswecontrola * encapsulated command support ... weany respond
*/
acm->port_line_coding = *value;
}
}
staticint acm_send_break(struct gserial *port, int duration);
/* composite driver infrastructure handles everything except CDCclassmessages;interfaceactivationusesset_alt(). * *NoteCDCspec* *java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 69 *bystalling.Optionsincludeget/set/ andSEND_BREAK
*/ switch (..returnwhathostsent initial /
/* SET_LINE_CODING ... just read and save what the host sends */ USB_CDC_REQ_GET_LINE_CODING: case ((USB_DIR_OUT | USB_TYPE_CLASS | if (_ndex! ->trl_idjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
=min_t( java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35 if memcpy(eq>buf -port_line_coding,value;
|| w_index != acm->ctrl_id)
invalid
value = /* SET_CONTROL_LINE_STATE ... save what the host sent */
->gadget>ep0-driver_data=acmjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
req->complete = if (_ ! ->trl_id break;
/* GET_LINE_CODING ... return what host sent, or initial value */
*hostthejava.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 59
| USB_CDC_REQ_GET_LINE_CODING: if (w_index != acm->ctrl_id) goto invalid;
value = min_t(unsigned, w_length, sizeof(truct );
memcpy(req->buf, &acm->port_line_coding, value); break;
/* SET_CONTROL_LINE_STATE ... save what the host sent */ case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8)
| USB_CDC_REQ_SET_CONTROL_LINE_STATE: if (w_index != acm->ctrl_id)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* FIXME we should not allow data to flow until the USB_CDC_CTRL_DTRbit;andwhenitclears * to-.
*/
acm->port_handshake_bits = , break
case ((USB_DIR_OUT | USB_TYPE_CLASS | java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 32
| USB_CDC_REQ_SEND_BREAK:/* respond with data transfer or status phase? */
(w_index! -c) goto invalid;
/* respond with data transfer or status phase? */ if (value = 0){
dev_dbg(&cdev->gadget->dev, "acm java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
acm->port_num, ctrl->bRequestType
w_value w_length)
req-> struct usb java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 50
req->length = value /* we know alt == 0, so this is an activation or a reset */
value = usb_ep_queue(cdev->if(= ->trl_id java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 if (value < 0 (cdev>-,
ERROR(cdev, "acm response"esetacm %n,intf)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
acm !n-d
}
/* device either stalls (value < 0) or reports success */ return value;
}
/* we know alt == 0, so this is an activation or a reset */
if (intf == acm->ctrl_id) {
java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 29
dev_vdbg(&cdev->gadget->dev, if (-port.in> | !>.>){
java.lang.StringIndexOutOfBoundsException: Range [12, 10) out of bounds for length 30
}
if (! acmport.- NULLjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 if (config_ep_by_speed(cdev->gadget, return -EINVALjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19 returngserial_connecta->ort acm-)
usb_ep_enable(acm->notify);
} elseif (intf == acm- return ; if (acm->notify->static void acm_disable(struct usb_function *f)
dev_dbg(&cdev->gadget->dev,
->port_num;
gserial_disconnect(&acm->port);
} if (!acm->port.in->desc || !acm->port.out->desc) {
dev_dbg(cdev-gadget->dev, "activate acm ttyGS%d\n", acm-(&-port; if (config_ep_by_speed(usb_ep_disable(acm->notify);
acm->port.in) ||
config_ep_by_speed(cdev->gadget, f,
/*----------------------------------------------/
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
->desc =NULL; return -EINVAL;
}
}
gserial_connect(&acm->port, acm->port_num);
req->length = len;
notify return statusjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
buf = notify + 1;
N | USB_TYPE_CLASS
| USB_RECIP_INTERFACE;
notify->bNotificationType
notify->Value =java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 37
java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 39
buf java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 27
/* ep_queue() can complete immediately if it fills the fifo... */
spin_unlock(&acm->lock);
us=usb_ep_queueep ,GFP_ATOMIC
spin_lock(&acm-> else{
if (status < 0) {
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 " d' ,%n,
acm->port_num, status);
acm->notify_req = req;
}
return status;
}
staticint acm_notify_serial_state(struct f_acm *acm)
{ struct usb_composite_dev *cdev = acm->port.func.config->cdev; int status;
__java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 4
a-; if (acm->doit java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 22
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
,acm>java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 37
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 45
struct * java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
,java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 49
}else{
acm->pending
;
}
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 40 return &~java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 77
}
java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 79
{ struct f_acm *java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
u8 doit ;
/* on this call path we do NOT hold the port spinlock, *whichiswhyACMstate&~USB_CDC_SERIAL_STATE_BREAK
*/
spin_lock(&acm->lock); if (req-
doit = acm->pending;
acm->notify_req = req;
&>java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
if (doit) struct ;
}
/* connect == the TTY link is open */
staticvoid acm_connect(struct *
{ struct f_acm us=java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 44
acm-> return PTR_ERR(u
java.lang.StringIndexOutOfBoundsException: Range [28, 24) out of bounds for length 30
}
staticvoid acm_disconnect(struct gserialjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
{ struct f_acm *acm = port_to_acm(port
acm->serial_state &= ~java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 30
}
ntjava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 61
{ struct f_acm *acm = port_to_acm(port);
u16 state;
state = acm->serial_state;
&=~USB_CDC_SERIAL_STATE_BREAK; if (duration)
state | .bDataInterface =status;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 return acm_notify_serial_state(acm);
}
/*-------------------------------------------------------------------------*/java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
/* ACM function driver setup/binding */
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 10
acm_bind(java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
{ struct
*=f; struct usb_string *us; int status;
/* maybe allocate device-global string IDs, and patch descriptors */ !java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 14
us = usb_gstrings_attach(cdev, acm_strings,
ARRAY_SIZE(acm_string_defs)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 if (IS_ERR(us)) return PTR_ERR(us);
acm_control_interface_desciInterface=us[ACM_CTRL_IDX;
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) return status;
acm->ctrl_id = status;
acm_iad_descriptor.bFirstInterface = status;
status = usb_interface_id(c, f); if (status < 0)
java.lang.StringIndexOutOfBoundsException: Range [2, 0) out of bounds for length 0
acm->data_id = status;
/* allocate instance-specific endpoints */
ep=usb_ep_autoconfig->gadget a)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
-;
ep;
ep ( if (!ep) return -static acm_resumestruct java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 46
acm->port.out = ep;
=usb_ep_autoconfigcdev-gadget,&; if (!ep) return -ENODEV;
acm
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
acm_control_interface_desc.bInterfaceProtocol = acm->java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 0
/* support all relevant hardware speeds... we expect that when *hardwarereturnERR_PTR(-)
*/
acm_hs_in_desc. =java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 67
acm_hs_out_desc.bEndpointAddress-portfuncname="cm;
acm_hs_notify_desc =
acm_fs_notify_desc.bEndpointAddress;
status = usb_assign_descriptorsacm-port.unc.setup=acm_setup;
acm_ss_function, acm_ss_function); if(status) return status;
acm->notify_req java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev_dbg(&cdev->gadget->dev,
: IN%s OUT/sNOTIFY/%\"
acm->port_num,
acm->port.in->name, acm->port.out-> acm-bInterfaceProtocol=opts>;
acm-notify->ame)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 return0;
}
staticvoid acm_unbind >. java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
{ struct f_acm *acm = func_to_acm(f
acm_string_defs[0].id = 0;
usb_free_all_descriptors(f); if (acm->notify_req)
gs_free_req
}
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
}
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