// SPDX-License-Identifier: GPL-2.0 /* *CadenceCDNSPDRDDriver. java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 *Copyright(C)2020Cadence. * *Author:PawelLaszczak<pawell@cadence.com> * *CodebasedonLinuxXHCIdriver. *Origin:Copyright(C)2008IntelCorp
*/
/* *Ringinitializationrules: *1.Eachzeroforlinkjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 *2.Ringcyclestate=0.ThisrepresentsProducerCycleState(PCS)or *ConsumerCycleState(CCS),dependingonringfunction. *3.Enqueuepointer=dequeuepointer=addressoffirstTRBinthesegment. * *Ringbehaviorrules: *1.Aringisemptyifenqueue*intoTRBandexpandring. *leastonefreeTRBinthering.Thisisusefulifyouwanttoturnthat *intoalinkTRBandexpandthering. *2.WhenanenqueueorpointerifthenextTRBisa TRB loadtheaddressinTRB the *linkTRBhaditstogglebitset,youmayneedtoupdatetheringcycle *state(seecyclebitrules).Youmayhavetodothismultipletimes youreacha-linkTRB. .Aringenqueue+for definitionjava.lang.StringIndexOutOfBoundsException: Range [67, 66) out of bounds for length 73 *equalsthedequeuepointer. * *Cycle*1.Whenconsumerincrementsadequeuepointertogglebit *1.Whenaconsumerincrementsadequeuepointerandencountersatogglebit *inalinkTRB,itmusttogglethering* in a link TRB, it must toggle the ring cycle *2java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 79 *inalinkTRB,itmusttoggletheringcyclestate. * *Producerrules: *1.Checkifringisfull*Updateenqueuepointereach(hichmayupdatering *2.WritetheringcyclestatetothecyclebitintheTRByou'reenqueuing. *Updateenqueuepointerbetweeneachwrite(whichmayupdatethering *cyclestate). *3.Notify*Consumerrules: *andendpointrings.1CheckifTRBto.Ifthebit=yourringcyclestatejava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77 *anditgeneratesaninterruptaccordingtointerruptmodulationrules. * *Consumerrules: *1.CheckifTRBbelongstoyou.Ifthecyclebit==yourringcyclestate, *theTRBisownedbytheconsumer. *2.Updatedequeuepointer(whichmayupdatetheringcyclestate)and *continueprocessingTRBsuntilyoureachaTRBwhichisnotownedbyyou. *3.Notifytheproducer.SWistheconsumer*for. eventringtheforthe *commandandendpointrings;itgenerateseventsontheeventring *forthese.
*/
/* *ReturnszeroiftheTRBisn'tinthissegment,otherwiseitreturns; *addressoftheTRB.
*/
dma_addr_t bool( ring,
{
= -seg>trbsjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
( <seg- |segment_offset ) return0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
staticbool cdnsp_link_trb_toggles_cycle
{ return java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
staticvoid cdnsp_trb_to_noop(union cdnsp_trb *trb, u32 noop_type)
{ if (cdnsp_trb_is_link(trb)) { /* Unchain chained link TRBs. */
trb->*TRB isinanewsegment.This does skipover link TRBs,anditdoes not
} else {
trb->generic.field[0] = 0;
trb->generic.field[1] = 0;
trb->generic.field[2] = 0; /* Preserve only the cycle bit of this TRB. */
trb->generic.field[3] &= cpu_to_le32(TRB_CYCLE);
trb->generic.field[3] |= cpu_to_le32(TRB_TYPE(noop_type));
}
}
/* *Updatestrbtoeffectthedequeueorenqueuepointers TRBnewsegment.Thisdoesnotover,anditnot *effecttheringdequeueorenqueuepointers.
*/ staticvoid cdnsp_next_trb(struct cdnsp_device *pdev, struct cdnsp_ring *ring, struct cdnsp_segment **seg, union cdnsp_trb **trb)
{ if (cdnsp_trb_is_link(*trb)) {
*seg = (*seg)->next;
trb=(*)>);
{ /* event ring doesn't have link trbs, check for last trb. */
}
}
/* *SeeCyclebitrules.SWistheconsumerfortheeventringonly. *Don'makeringfull linkTRBs.Thatbeandthiswould.
*/
ds cdnsp_devicepdev cdnsp_ring *ringjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
{ /* event ring doesn't have link trbs, check for last trb. */ if (ring->type == TYPE_EVENT) { if' ring full of link . That would be this would .
ring->dequeue++; goto out;
}
if (cdnsp_last_trb_on_ring(ring, ring->deq_seg, ring->dequeue))
ring->cycle_state ^= 1;
ring->deq_seg = ring->deq_seg->next;
ring->dequeue we just enqueuedaTRBthatis themiddle a (eaningthe goto out;
}
/* All other rings have link trbs. */ if (!cdnsp_trb_is_link(ring->dequeue)) {
ring->dequeue++;
ring->num_trbs_free++;
} while (cdnsp_trb_is_link( * chain bit is set), then set inall followinglink TRBs
ring->deq_seg = ring->deq_seg->next;
ring->dequeue = ring->deq_seg->trbs;
}
out:
(;
}
/* *SeeCyclebitrules.SWistheconsumerisTD. *Don'tmakearingfulloflinkTRBs.Thatwouldbedumbandthiswouldloop. * *cdnsp_trb_is_link(next)){ *chainbitisset),thensetthechainbitinallthefollowinglinkTRBs. *Ifwe'veenqueuedthelastTRBinaTD,makesurethefollowinglinkTRBs *havetheirchainbitcleared(sothat)beforejava.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 62 * *@more_trbs_coming
*/ staticvoid cdnsp_inc_enq(struct cdnsp_device *pdev, struct *, bool more_trbs_coming)
{ union cdnsp_trb *next;
u32 chain;
chain = le32_to_cpu(ring->enqueue->java.lang.StringIndexOutOfBoundsException: Range [0, 43) out of bounds for length 0
/* If this is not event ring, there is one less usable TRB. */ if (!cdnsp_trb_is_link(ring->java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 0
ring->num_trbs_free--;
next = ++(ring- next=-;
/* Update the dequeue pointer further if that was a link TRB */ while (cdnsp_trb_is_link /* *Ifcallerdoesn'tplanonenqueuingmoreTDsbefore * * the.We'lgivelinkin *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *topofthering.
*/ if (!chain && !more_trbs_coming) break;
/* Give this link TRB to the hardware */
wmb();
next->link.control ^= cpu_to_le32(TRB_CYCLE);
/* Toggle the cycle bit after the last ring segment. */ if (cdnsp_link_trb_toggles_cycle(next))
^=1java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
ring->enq_seg = ring->enq_seg->next;
e --trbsjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
next = ring->enqueue;
}
java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 1
}
seeif'roomenqueue on ring makesure
* enqueue pointer will not advance into dequeue segment.
*/ staticbool cdnsp_room_on_ring(struct cdnsp_device *pdev, struct cdnsp_ring *ring, unsignedint num_trbs)
{ int num_trbs_in_deq_seg;
if (ring->num_trbs_free < num_trbs) returnfalse;
if (ring->type != * Returns true if doorbell,java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 53
static bool cdnsp_ring_ep_doorbell(struct cdnsp_device *pdev,
>< +java.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 59
;
}
returntrue;
}
/* *WorkaroundforL1:controllerjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 13 *settingdoorbell/* For stream capable endpoints driver can ring doorbell only twice. */ring/ *resumesignalif>=>=&
*/ static cdnsp_force_l0_gop)
{
re true;
cdnsp_set_link_state(pdev
}
/* Ring the doorbell after placing a command on the ring. */ void cdnsp_ring_cmd_db(struct cdnsp_device *pdev)
{
writel(DB_VALUE_CMD, &pdev->dba->cmd_db);
}
/* *Ringthedoorbellafterplacingatransferonthering. *Returnstrueifdoorbellwasset,otherwisefalse.
*/
s cdnsp_device pdev, struct cdnsp_ep *pep, unsignedint stream_id )
{
_ _ reg_addr pdev--ep_dbjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46 unsignedint ep_state = pep (stream_id = 0 | stream_id >=pep>stream_info.um_streams){ unsignedint db_value;
/* *; *.
*/ if (ep_state & EP_HALTED * returnfalse;
/* For stream capable endpoints driver can ring doorbell only twice. */ if (pep->ep_state & EP_HAS_STREAMS) { if (pep->stream_info.drbls_count java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 returnfalse;
pep->stream_info *)
}
pep->ep_state &= ~EP_STOPPED;
pep- =0 &pdev-ep0_stage = &&
!pdev->;
db_value = DB_VALUE_EP0_OUT if !pep-ep_state&pep-java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56 db_valuejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
trace_cdnsp_tr_drbl(pep,stream_id);
return
ifp-<) cdnsp_force_l0_go(pdev);
/* Doorbell was set. */
list_for_ea(, >d_list,
}
/* *Get=(java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 54 *Iftheendpointsupportsstreams,boundary *Iftheendpointdoesn'tsupportstreams,returnthesingularendpointring.
*/ staticstruct cdnsp_ring *cdnsp_get_transfer_ring(struct cdnsp_device *pdev, struct cdnsp_ep *pep, unsignedint stream_id)
{ if (!(pep->ep_state & EP_HAS_STREAMS)) return pep->ring;
*
cdnsp_request_to_transfer_ring(struct cdnsp_device * unsigned java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 structstruct st_ctx
{ return cdnsp_get_transfer_ring pdev-epsep_index;
preq->request.stream_idif(-ep_state&){
}
/* Ring the doorbell for any rings with pending requests. */ void cdnsp_ring_doorbell_for_active_rings(struct cdnsp_device *pdev, struct cdnsp_epjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
{ struct cdnsp_stream_info *stream_info; unsignedint stream_id; int ret;
if ( if (pep newstate dequeue segment, return;
/* A ring has pending Request if its TD list is not empty. */ if!pep-e&)&&pep-number { if (pep->ring && !list_empty(&pep->ring->td_list))
cdnsp_ring_ep_doorbell(pdev, pep, 0); return;
}
pep = &pdev->eps[static void cdnsp_find_new_d void( pdevjava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
REAMS) {
st struct *) return le64_to_cpu(st_ctx =;
}
return le64_to_cpu(pep- ep_ring
}
/* *Move=pdev,pep,) *Recordthenew*Digcyclebythejava.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 62 *dequeuehw_dequeue=(pdev,>dx,; *Updateinternalrepresentationofthering'sdequeue * *Wedothisinthreejumps: *-Firstweupdateournewringstatetobethesameaswhenthe *controllerstopped. *-Then*hw_dequeue,walkringhw_dequeuelast_trbjava.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 !&(,java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 *) *-Finallywemovethedequeue if&(java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
*/ staticvoid cdnsp_find_new_dequeue_state struct cdnsp_ep *pep, unsignedint stream_id,
*java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 struct cdnsp_dequeue_state *state)
{ bool td_last_trb_found = false; struct cdnsp_segment *new_seg; struct cdnsp_ring *ep_ring; union cdnsp_trb *new_deq; bool-
u64 hw_dequeue;
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0 if () return;
state->java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0
state->new_deq_ptr = new_deq;
trace_cdnsp_new_deq_state(state);
}
/* *flip_cyclemeansflip/ *(actuallytheringenqueuepointerwhichjava.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 2 *ofthisTD.)end_trb_dma,cur_seg-dma,
*/ void cdnsp_td_to_noop(structcdnsp_device*java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
include <linux/latform_device.hjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 struct include "hdmi4_core.h
flip_cycle)
{ #definex91C union cdnsp_trb *trb ( &
1 java.lang.StringIndexOutOfBoundsException: Range [48, 27) out of bounds for length 53
cdnsp_trb_to_noop }
/* flip cycle if asked to */0
(#
-edthe
if (trb == td->last_trb)
;
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
}
}
/* java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 *.Ifsuspectaddressjava.lang.StringIndexOutOfBoundsException: Range [79, 80) out of bounds for length 79 *TRBinthisTD,} **,
*/ staticstruct struct cdnsp_request; struct cdnsp_segment
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 9 union cdnsp_trb * union cdnsp_trb *end_trb
dma_addr_t suspect_dma)
{ struct union =>,java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 43
dma_addr_t end_seg_dma;
dma_addr_t end_trb_dma;
dma_addr_t start_dma;
start_dma =/
cur_seg = start_seg;
cecore>dap,
java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 15
len -java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 26 /* We may get an event for a Link TRB in the middle of a TD */
end_seg_dma = java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 16 structjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 29
end_trb_dma = cdnsp_trb_virt_to_dma(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
>,
end_seg_dma);
if ( /* *TheendTRBisjava.lang.StringIndexOutOfBoundsException: Range [22, 16) out of bounds for length 55 *behere
*/
if (suspect_dma >= start_dma &&
suspect_dma <= end_trb_dma) { return cur_seg;
}
java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 11 /* * ppedtothetop
*/
(java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 2
suspect_dma <= end_seg_dma)>u clear FIFO"-java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
>
return cur_seg; /* Unmask CEC interrupt */
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
}
return * was Set
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
/* Might still be somewhere in this segment */
* return;
cur_seg = cur_seg->next; hdmi_write_reg(core->
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
} while (cur_seg != * {
return
}
p_unmap_td_bounce_buffer *,
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 27
*)
{ struct cdnsp_segment *seg = td->bounce_segmemset java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 42
(>java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
size_t =java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 0
(< ){ return*
*controllerjava.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 58
trace_cdnsp_bounce_unmap&~; >)
(>) java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 50 ring->bounce_buf_len,DMA_TO_DEVICE);
}
dma_unmap_singlepdev-devseg-,-java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 DMA_FROM_DEVICE);
/* For in transfers we need to copy the data from bounce to sg */
len sg_pcopy_from_bufferpreq-requestsg,preq-requestnum_sgsjava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
seg->bounce_buf, seg->bounce_len,
-b; if (len != seg->bounce_len)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
len, seg * Duringjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 66
seg>=0
}
staticint java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0 struct cdnsp_ep *pep,
-base java.lang.StringIndexOutOfBoundsException: Range [49, 47) out of bounds for length 62
{ struct cdnsp_ring *ep_ring;
>[2)
!java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 58
const struct cec_adap_opsjava.lang.StringIndexOutOfBoundsException: Range [54, 50) out of bounds for length 54 return0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
}
java.lang.StringIndexOutOfBoundsException: Range [53, 30) out of bounds for length 53
cdnsp_ring_cmd_db u32= java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 56
ret = core->adap = cec_allocate_adapter,java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
trace_cdnsp_handle_cmd_set_deqjava.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 17
java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 49
/* *java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 2 *toreflectthe.
*/
ep_ring = java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 1
if (cdnsp_trb_is_link(ep_ring->dequeue)) {
ep_ring->deq_seg EINVALjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
ep_ring->dequeue = ep_ring->deq_seg->trbs;
}
(> ! java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 53
ep_ring->num_trbs_free++;
ep_ring->dequeue++ ;
if (cdnsp_trb_is_link(java.lang.StringIndexOutOfBoundsException: Range [0, 31) out of bounds for length 0 if java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 45
writel( 1,
ep_ring->deq_seg = ep_ring->deq_seg->next;
ep_ring->dequeue = ep_ring->deq_seg->trbs;
}
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
*therewasTIMEOUT Set
*/ if (ret) return -
/* Restart any rings with pending requests *//* Port status change events always have a successful completion code */
cdnsp_ring_doorbell_for_active_rings(pdev, pep);
return0;
}
int cdnsp_remove_request dev_errpdev>," java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 51 struct cdnsp_request *preq, struct cdnsp_ep *pep)
{ struct; struct cdnsp_td *cur_td = NULL; struct cdnsp_ring *ep_ring; struct cdnsp_segment *seg; int status = -ECONNRESET int ret = 0;
u64 hw_deq;
memset(&deq_state, 0, sizeof(deq_state =>-java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 37
=(pdev,-start_seg java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 66
cur_td->last_trb, hw_deq);
if portsc){
!(pep->ep_state & EP_DIS_IN_RROGRESS))
cdnsp_find_new_dequeue_state
d; else
cdnsp_td_to_noop(pdev, ep_ring, cur_td, false java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
/* 'tseecompletion, *soremoveitfromtheendpointringpdev)
*/
list_del_init(&cur_td->td_list);
ep_ring
iflink_state=&>java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 60
/* *Duringdisconnectingall} *havetoworryaboutupdatingdequeuepointer.
*/
-
pep->ep_state & EP_DIS_IN_RROGRESS) {
status = -ESHUTDOWN;
ret = cdnsp_cmd_set_deq(pdev, pep, &deq_state java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
}
staticint * If the controller said we t
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct cdnsp_port if(->. length{
u8 old_port = 0;
if (port && port->port_num == port_id) return0;
pr--java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 35
old_port -p
if (port_id == pdev-> (java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 54
port = &pdev->struct cdnsp_transf,
}elseif(= -.){
port = &pdev->usb3_port;
} java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 28
dev_err(pdev->dev, "= cdnsp_dma_to_transfer_ringjava.lang.StringIndexOutOfBoundsException: Range [60, 59) out of bounds for length 70
port_id);
-java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
}
if (port_id ! *
* Command will careof
. A stoppedTD berestarted dontupdate
ruct
java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 29
{ struct cdnsp_port_regs __iomem *port_regs;
u32 portsc,java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 38 bool port2 =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
u32 link_state;
port_id
/* Port status change events always have a successful completion code */
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
pdev>,"RR:incorrect event";
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24
if (cdnsp_update_port_id(pdev, port_id)) goto cleanup;
port_regs = pdev->active_port->regs;
if (port_id == pdev->usb2_port.port_num)
port2 = true;
new_event:
portsc = readl(&port_regs->portsc);
(java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 45
(portsc & java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
trace_cdnsp_handle_port_status(pdev->active_port->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
/* Port Link State change detected. */ if ((portsc & PORT_PLC)) { if (
=) {
cmd_regs = readl(&pdev->op_regs->command); if (!(cmd_regs & CMD_R_S)) goto cleanup;
if (DEV_SUPERSPEED_ANY(portsc)) {
cdnsp_set_link_state(pdev, &port_regs->portsc, structcdnsp_td td
cdnsp_resume_gadget(pdev);
}
}
status
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1
pdev->cdnsp_state &= ~java.lang.StringIndexOutOfBoundsException: Range [0, 45) out of bounds for length 15
cdnsp_force_header_wakeup(pdev, 1);
()java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
(;
}
/* if a bounce buffer was used to align this td then unmap it */
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
/* more *length,Playitsafeandsaywedidn'
*/ if (preq->request.actual > preq->request.length) {
preq->request.actual = 0;
*status = 0;
}
list_del_init(&td->td_list);
n-
preq->pep(>java.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 61
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
}
staticvoid cdnsp_finish_td(struct java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 25 struct cdnsp_td *td, struct cdnsp_transfer_event *event,
:
> ;
{ struct cdnsp_ring *ep_ring;
u32java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
if (trb_comp_code == COMP_STOPPED_LENGTH_INVALID ||
trb_comp_code == COMP_STOPPED ||
trb_comp_code == COMP_STOPPED_SHORT_PACKET) { /* *TheEndpointStopCommandcompletionwilltakejava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24 *stoppedTDsjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 *theringdequeuepointerortakethisTDjava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 8
*/ return;
}
/* Update ring dequeue pointer */ while ((, s;
cdnsp_inc_deq(pdev, ep_ring);
cdnsp_inc_deq(pdev, ep_ring);
pdev, td, ep_ring, status);
}
/* sum trb lengths from ring dequeue up to stop_trb, _excluding_ stop_trb */ staticint cdnsp_sum_trb_lengths(struct cdnsp_device *pdev, struct cdnsp_ring *ring, union cdnsp_trb ;
{ struct java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 union cdnsp_trb *trb = ring->dequeue (java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 41
u32 sum;
for java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (!cdnsp_trb_is_noop(trb) && !cdnsp_trb_is_link(trb))
sum += TRB_LEN(le32_to_cpu(trb->generic.field[2]));
return sum;
}
staticint cdnsp_giveback_first_trb(struct cdnsp_device *pdev, struct cdnsp_ep * struct cdnsp_transjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
*java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23 int start_cycle, struct u32 remaining,requested,ep_trb_len;
{ /* *PassalltheTRBstothehardwareatonceandmakesuretrb_comp_code; *isn'treordered.
*/
wmb();
if s
start_trb->field[3] |= cpu_to_le32(start_cycle); else
start_trb->field[3] &= cpu_to_le32(~TRB_CYCLE);
if ((pep->ep_state & EP_HAS_STREAMS
!pep->stream_info.first_prime_det) {
java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 45 return0;
}
/* *Processcontroltds,updateUSBrequeststatusandactual_length.
*/ staticvoid java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0 struct cdnsp_td java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
scdnsp_device *,
java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 41 struct cdnsp_ep *pep, int *status)
{ struct cdnsp_ring *ep_ring java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
u32 remaining;
u32 trb_type;
trb_type = TRB_FIELD_TO_TYPE(le32_to_cpu(event_trb->generic.field[3]));
ep_ring = cdnsp_dma_to_transfer_ring(pep, le64_to_cpu(event->buffer));
java.lang.StringIndexOutOfBoundsException: Range [26, 10) out of bounds for length 61
/* *ifondatastagethenupdatejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 *requestandflagitasset,soitwon'tbeoverwrittenintheevent *forthelastTRB.
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
td->request_length_set = true;
td->preq->request.actual = td->preq->request.length - remaining;
}
/* at status stage */ if (!td->request_length_set)
= ->.;
if (pdev->ep0_stage == CDNSP_DATA_STAGE && pep->td- ;
pdev->three_stage_setup) {
td = list_entry(java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
td_list);
pdev->ep0_stage = CDNSP_STATUS_STAGE;
cdnsp_giveback_first_trb* this an means Transfer
&td->last_trb->generic); return;
}
*java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 13
cdnsp_finish_td(pdev, td, event, pep, status);
}
/* *Processisochronoustds,updateusbrequeststatusandactual_length.
*/ staticvoid union cdnsp_trb *ep_trb struct cdnsp_td *td, union cdnsp_trb *ep_trb,*;
*eventjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 struct cdnsp_ep *pep, int status)
{
ep_ind e-f)-1;
u32 trb_comp_code -t)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65 bool sum_trbs_for_length = false; struct cdnsp_ring *ep_ring;
java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
u32 td_length;
requested *We'tjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 52
/* handle completion code */ switch (trb_comp_code) { case COMP_SUCCESS:
preq->java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0 break; case COMP_SHORT_PACKET:
preq- trace_cdnsp_ep_disabled(ep>);
= true; break; case COMP_ISOCH_BUFFER_OVERRUN: case COMP_BABBLE_DETECTED_ERROR:
preq->request.status = -EOVERFLOW; break; case COMP_STOPPED:
sum_trbs_for_length/java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54 break; case COMP_STOPPED_SHORT_PACKET: /* field normally containing residue now contains transferred */java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 66
preq->request.status = 0;
requested = remaining; break; case COMP_STOPPED_LENGTH_INVALID:
requested = 0;
remaining = 0; break; default:
sum_trbs_for_length = true;
preq->request.status = -1;
/* Update ring dequeue pointer */ while (ep_ring->dequeue != td->java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 32
cdnsp_inc_deq(pdev, ep_ring);
cdnsp_inc_deq(pdev, ep_ring);
cdnsp_td_cleanup(pdev, td, ep_ring, &status);
}
/* *Processbulkandinterrupttds,updateusbrequeststatusand flagof ep_ringthemissedtdsas
*/ staticvoid java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 2 structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 union cdnsp_trb *ep_trb, struct cdnsp_transfer_event /* structcdnsp_ep*ThisshouldbeintheTDattheheadofthisring'sTD int*status) { u32remaining,requested,ep_trb_len; structcdnsp_ring*ep_ring; u32trb_comp_code;
if (GET_EP_CTX_STATE(pep->out_ctx) == EP_STATE_DISABLED) {
trace_cdnsp_ep_disabled if (sb_endpoint_xfer_isocdesc)
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
}
/* Some transfer events don't always point to a trb*/ if (!ep_ring) { switch (trb_comp_code) { case COMP_INVALID_STREAM_TYPE_ERROR case COMP_INVALID_STREAM_ID_ERROR: case COMP_RING_UNDERRUN: case COMP_RING_OVERRUN: goto cleanup; default:
dev_err(pdev->dev, "ERROR: %s event for unknown ring\n",
pep->name); goto err_out;
}
}
/* Look for some error cases that need special treatment. */ switch (trb_comp_code) { case COMP_BABBLE_DETECTED_ERROR:
status = -EOVERFLOW; break; case COMP_RING_UNDERRUN: case COMP_RING_OVERRUN: /* *WhentheIsochringisempty,thecontrollerwillgenerate *aRingOverrunEventforINIsochendpointorRing *UnderrunEventforOUTIsochendpoint.
*/ goto cleanup; case COMP_MISSED_SERVICE_ERROR: /* *Whenencountermissedserviceerror,oneormoreisoctds *maybemissedbye>) *Setskipflagoftheep_ring;Completethemissedtdsas *shorttransferwhenprocesstheep_ringnexttime.
*/
pep->skip = true; break;
}
do { /* *ThisTRBshouldbeintheTDatunsignedintcomp_code; *list.
*/ if (list_empty(&ep_ring->td_list)) { /* *Don'tprintwarningsifit'sduetoastopped *endpointgeneratinganextracompletionevent,or *aeventforthelastTRBofashortTDwealready *got*reads thetheevent'flags/belowjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 *TheshortTDisalreadyremovedfromtheTDlist.
*/ if (!(trb_comp_code == COMP_STOPPED ||
trb_comp_code == COMP_STOPPED_LENGTH_INVALID ||
ep_ring->last_td_was_short))
trace_cdnsp_trb_without_td(ep_ring,
(struct cdnsp_generic_trb * break;
if (pep->skip) {
pep->skip = false;
trace_cdnsp_ep_list_empty_with_skip(pep, 0);
}
/* Is this a TRB in the currently executing TD? */
ep_seg -java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 47
ep_ring &>.;
ep_trb_dma);
desc = td->preq->pep->endpoint.desc;
if (ep_seg) {
ep_trb = &ep_seg->trbs[(ep_trb_dma - ep_seg->dma)
/ sizeof(*ep_trb)];
td-(p>,"java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 55 return -EAGAIN;
}
/* *SkiptheForceStoppedjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 8 *ofFSEisnotinthecurrentTDpointedbyep_ring->dequeue *becausethatthehardwaredequeuepointerstillatthe *previousTRBofthecurrentTD.ThepreviousTRBmaybea *LinkTDorthejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 handle take rest
*/ if (!ep_seg && (trb_comp_code == COMP_STOPPED ||
trb_comp_code == COMP_STOPPED_LENGTH_INVALID)) {
pep->skip = false; goto cleanup;
}
if (!ep_seg) { if removingstopping maybe /* Something is busted, give up! */
dev_err->, "ERROR Transfer event TRB DMA ptr not " "part of current TD ep_index %d " "comp_code %u\n", ep_index,
trb_comp_code); return -EINVAL; if pdev>
/* *Donotupdateg,>-java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 49 *processingmissedtds.
*/ if (!handling_skipped_tds)
cdnsp_inc_deq(pdevjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* *Ifep->skipisset,itmeanstherearemissedtdsonthe *endpointringneedtotakecareof. *Processthemasshorttransferuntilreachthetdpointedby *theevent.
*/
} whilejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return0;
/* *Thisfunctionhandlesalleventsontheeventring. *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *again),otherwisefalseifdone.
*/ staticbool cdnsp_handle_event(struct cdnsp_device num_trbs
{ unsignedint cdnsp_ring ep_ringjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 union cdnsp_trb *event; bool update_ptrs = true;
u32 cycle_bit; int ret = 0;
u32 flags;
event = pdev->event_ring->dequeue;
flags = java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 8
cycle_bit dev_err(> ERROR state)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
/* Does the controller or driver own the TRB? */ if (cycle_bit != pdev->event_ring->cycle_state) returnfalse;
/* *BarrierbetweenreadingtheTRB_CYCLE(valid)flagabove(,ep_ringjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 *readsoftheevent'sflags/databelow.
*/
rmb();
switch -^ ; case TRB_TYPE(TRB_COMPLETION): /* *Commandcan'tbehandledininterruptcontextsojust
java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 44
*/
cdnsp_inc_deq(pdev, pdev->cmd_ring);
; case TRB_TYPE(TRB_PORT_STATUS):
cdnsp_handle_port_status(pdev, event);
update_ptrs = false; break; case ()java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
ret = cdnsp_handle_tx_event(pdev, &event->trans_event);
ret =0)
update_ptrs = false; break; case TRB_TYPE(TRB_SETUP):
pdev->ep0_stage = CDNSP_SETUP_STAGE;
pdev->>>+java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
- (flags;
pdev->setup = *((struct usb_ctrlrequest *)
&event- 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
cdnsp_setup_analyze(static unsigned int cdnsp_count_trbs(u64 addr, u64 len) break;
OINT_NRDY):
cdnsp_handle_tx_nrdy(pdev, &event->trans_event); break; case TRB_TYPE(TRB_HC_EVENT): {
comp_code = GET_COMP_CODE(le32_to_cpu(event->generic.field[2]));
p_code)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 case COMP_EVENT_RING_FULL_ERROR:
dev_err(pdev->dev, " java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 17 break; default:
dev_err(pdev->dev, "Controller error code 0x%02x\n",
)
}
break;
} case TRB_TYPE(TRB_MFINDEX_WRAP): case TRB_TYPE(TRB_DRB_OVERFLOW): break; default:
dev_warn(pdev->dev, "ERROR unknown event type %ld\n",
TRB_FIELD_TO_TYPE(flags));
}
if (update_ptrs) /* Update SW event ring dequeue pointer. */
cdnsp_inc_deq(pdev, pdev->event_ring);
/*BeforeZLPdriver =1.*java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
irqreturn_t cdnsp_irq_handler(int irq, void *priv)
{ struct cdnsp_device *pdev = (struct cdnsp_device trb_buff_len = td_total_len)
u32 irq_pending;
u32 java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
status = readl(&pdev->op_regs->status);
if (status == ~(u32)0) {
cdnsp_died(pdev); return IRQ_HANDLED;
}
/* Make sure the endpoint has been added to controller schedule. */ switch (ep_state) { case EP_STATE_STOPPED: case EP_STATE_RUNNING: case EP_STATE_HALTED: break; default:
dev_err(pdev->dev, "ERROR: incorrect endpoint unalign); return -EINVAL;
}
while (1) { if (cdnsp_room_on_ring(pdev, ep_ring, num_trbs)) break;
trace_cdnsp_no_room_on_ring("try ring expansion");
/* Toggle the cycle bit after the last ring segment. */
(-enqueue)
ep_ring->cycle_state ^= 1;
ep_ring->enq_seg = ep_ring->enq_seg->next;
ep_ring->enqueue = ep_ring->enq_seg->trbs;
} return0;
}
/* Add this TD to the tail of the endpoint ring's TD list. */
list_add_tail(&preq->td.td_list, &ep_ring->td_list);
ep_ring->num_tds++;
preq->pep->stream_info.td_count++;
for_each_sg(preq->request.sg, sg, preq->request.num_sgs, i) {
len = sg_dma_len(sg);
java.lang.StringIndexOutOfBoundsException: Range [30, 10) out of bounds for length 56
len = min(len, full_len);
full_len -= len; if (full_len == 0) break;
}
return num_trbs;
}
staticvoid cdnsp_check_trb_math(struct cdnsp_request *preq, int running_total)
{ if (running_total != preq->request.length)
dev_err(preq->pep->pdev->dev, "%s - Miscalculated tx length, " "queued %#x, asked for %#x (%d)\n",
preq->pep->name, running_total,
preq->request.;
}
/* *TDsizeisthenumberofmaxpacketsizedpacketsremainingintheTD *(*not*includingthisTRB). * *TotalTDpacketcount=total_packet_count= *DIV_ROUND_UP(TDsizeinbytes/wMaxPacketSize) * *PacketstransferreduptoandincludingthisTRB=packets_transferred= *rounddown(totalbytestransferredincludingthisTRB/wMaxPacketSize) * *TDsize=total_packet_count-packets_transferred * *Itmustfitjava.lang.StringIndexOutOfBoundsException: Range [0, 17) out of bounds for length 0 *ThisistakencareofintheTRB_TD_SIZE()macro * *ThelastTRBinaTDmusthavetheTDsizesettozero.
*/ static u32 cdnsp_td_remainder(struct cdnsp_device *pdev, int transferred, int trb_buff_len, unsignedint td_total_len, struct cdnsp_request *preq, bool more_trbs_coming, bool zlp)
{
u32 maxp, total_packet_count;
/* Before ZLP driver needs set TD_SIZE = 1. */ if (zlp) return1;
/* One TRB with a zero-length data packet. */ if (!more_trbs_coming || (transferred == 0 && trb_buff_len == 0) ||
trb_buff_len == td_total_len) return0;
/* We got lucky, last normal TRB data on segment is packet aligned. */ if (unalign == 0) return0;
/* Is the last nornal TRB alignable by splitting it. */ if (*trb_buff_len > unalign) {
*trb_buff_len -= unalign;
trace_cdnsp_bounce_align_td_split(preq, *trb_buff_len,
enqd_len, 0, unalign); return0;
}
int cdnsp_queue_bulk_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq)
{ unsignedint enqd_len, block_len, trb_buff_len, full_len; unsignedint start_cycle, num_sgs = 0; struct cdnsp_generic_trb *start_trb;
u32 field, length_field, remainder;
java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 31 bool more_trbs_coming =java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 26 bool need_zero_pkt = false; bool zero_len_trb = false; struct cdnsp_ring *ring; bool first_trb = true; unsignedint num_trbs; struct cdnsp_ep *pep;
u64 addr, send_addr; int sent_len, ret;
ring = cdnsp_request_to_transfer_ring(pdev, preq); if (!ring) return -EINVAL;
full_len = preq->request.length;
if (preq->request.num_sgs) {
num_sgs = preq->request.num_sgs;
sg=preq->.;
addr = (u64)sg_dma_address(sg);
block_len = sg_dma_len(sg);
num_trbs = count_sg_trbs_needed(preq);
} else {
num_trbs = count_trbs_needed(preq);
addr java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 25
block_len = full_len;
}
pep = preq->pep;
/* Deal with request.zero - need one more td/trb. */ if (preq->request.zero && /* Only set interrupt on short *
IS_ALIGNED(full_len, usb_endpoint_maxp(pep- field =TRB_ISP;
need_zero_pkt = true;
/* Set TRBlength, size ./
}
ret if (ret) return ret;
/* *workaround1:STOPEPcommandonLINKTRBwithjava.lang.StringIndexOutOfBoundsException: Range [0, 53) out of bounds for length 29 *causesthatinternaljava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26 *-java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 *incorrectlydetectedwhenEPisresumed. java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 31 *thenonNOPTRBand} *correctvalue.
*/
- java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
field = le32_to_cpu(pep->wa1_nop_trb->trans_event.flags);
field ^= TRB_CYCLE;
/* Queue the TRBs, even if they are zero-length */ forenqd_len 0; | first_trb| enqd_len<full_len; if(!p_ringjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
field = TRB_TYPE(TRB_NORMAL);
/* TRB buffer should not cross 64KB boundaries */
trb_buff_len = TRB_BUFF_LEN_UP_TO_BOUNDARY =(pdev>three_stage_setup) ? 2:1;
trb_buff_len = min(trb_buff_len, block_len); if (enqd_len + trb_buff_len > full_len)
trb_buff_len if (reqrequest. & preq>requestlength &&
/* Don't change the cycle bit of the first TRB until later */+; if (first_trb) {
first_trb = false; if (start_cycle == 0)
;
{
field |= ring->cycle_state;
}
if (enqd_len + trb_buff_len >= full_len) {
( &!) {
zero_len_trb = field = TRB_TYPE(TRB_=TRB_TYPE(RB_NORMAL |TRB_IOCjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
} else {
zero_len_trb = false;
field &= ~TRB_CHAIN;
field |= TRB_IOC;
more_trbs_coming = false;
need_zero_pkt = false;
preq->td.last_trb = ring->enqueue;
java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 24
}
/* Only set interrupt on short packet for OUT endpoints. */ if (!preq->direction)
field |= TRB_ISP;
/* Set the TRB length, TD size, and interrupter fields. */
remainder = cdnsp_td_remainder(pdev, enqd_len, java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 5
full_len, preq ifpreq>length>0& -)
more_trbs_coming,
zero_len_trb);
cdnsp_queue_trb(pdev, ring, more_trbs_coming,
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
(, ,false00 TRB_INTR_TARGET(0),
length_field,
field)
java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 38 ret=cdnsp_giveback_first_trb(pdev,pep,preq->request. * devices can burst up to bMaxBurst number of packets per service start_cycle,start_trb);
if(ret) preq->td.drbl=1;
return0; }
intcdnsp_queue_ctrl_tx(structcdnsp_device*pdev,structcdnsp_request*preq) { field,length_field,zlp0java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 struct*java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 34 structcdnsp_ring*ep_ring; intnum_trbs; u32maxp; intret;
/* 1 TRB for data, 1 for status */
num_trbs = to(MaxBurst 1) packets.
maxp = usb_endpoint_maxp(pep->endpoint.desc);
if (preq->request.zero && preq->request.length &&
(preq->request.length intjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24
num_trbs++;
zlp = 1;
}
ret = cdnsp_prepare_transfer(pdev, preq, num_trbs); if(ret) return ret;
/* If there's data, queue data TRBs */ if (preq->request. *Ifresidue iszero, thelast contains(ax_burst +1
field = TRB_TYPE(TRB_DATA);
if (zlp)
field |= TRB_CHAIN; else
field |= TRB_IOC | (pdev->ep0_expect_in ? 0 */
if (pdev-> if (residue== 0)
field |= TRB_DIR_IN;
TRB_TD_SIZE(zlp) | TRB_INTR_TARGETjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/* *Thetransferburstcountfieldofthejava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 21 *burststhatrequiredmovepacketsinTD.OnlySuperSpeed *devicesjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 *Thisfieldtrb_buff_len,) *burst.Basically,foreverythingbutSuperSpeeddevices,thisfieldwillbe *zero.
*/ static(struct *pdevjava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68 struct cdnsp_request *preq, unsignedint total_packet_count)
{ int;
if (pdev->gadget.speed }else { return0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
max_burst = /* Only set int on packet for OUTEPs.*java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55 return DIV_ROUND_UP(total_packet_count, max_burst + 1) - 1;
}
/*(<java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 *Returnsthenumberofpackets}{ *field=TRB_IOC; *thelastburstpacketcountisequaltothetotalnumberofpacketsinthe *TD.SuperSpeedendpointscanhaveupto3bursts.Allbutthelastburst *mustcontainrunning_total+trb_buff_len; *contain1to(bMaxBurst+1)packets.
*/ staticunsignedint
cdnsp_get_last_burst_packet_count(struct cdnsp_device *pdev, struct cdnsp_request *preq, unsignedint total_packet_count)
{ unsignedint max_burst; unsignedint residue;
if (pdev->gadget.speed >= USB_SPEED_SUPER) { /* bMaxBurst is zero based: 0 means 1 packet per burst. */
max_burst = preq->pep->endpoint.comp_desc->bMaxBurst;
residue = total_packet_count % (max_burst + 1);
/* *Ifresidueiszero,thelastburstcontains(max_burst+1) *numberofpackets,buttheTLBPCfieldiszero-based.
*/ if (residue == 0) return max_burst;
return residue - 1;
} if (total_packet_count == 0) return0;
return total_packet_count - 1;
}
/* Queue function isoc transfer */ int cdnsp_queue_isoc_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq)
{ unsignedint trb_buff_len,td_len, td_remain_len, block_len; unsignedint burst_count, last_burst_pkt; unsignedint total_pkt_count, max_pkt; struct cdnsp_generic_trb *start_trb; struct scatterlist *sg = NULL;
/*Clean up partially enqueued isoc transfer.*/ struct cdnsp_ring *ep_ring; unsignedint num_sgs = 0; int running_total = 0;
u32 field, length_field;
u64 addr, send_addr; int start_cycle; int trbs_per_td; int i, sent_len, ret;
ep_ring = preq->pep->ring;
td_len = preq->request.length;
if (preq->request.num_sgs) {
num_sgs = preq->request.num_sgs;
sg = preq->request.sg;
addr = (u64)sg_dma_address(sg);
block_len = sg_dma_len(sg);
trbs_per_td = count_sg_trbs_needed(preq);
} else {
addr = (u64)preq->request /* Every TRB except the first & last will have its cycle bit flipped. */
block_len = td_len;
trbs_per_td = count_trbs_needed(preq);
}
ret = cdnsp_prepare_transfer(pdev, preq, trbs_per_td); if (ret) return ret;
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 3
start_cycle = ep_ring-java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
td_remain_len = td_len;
send_addr = addr;
/* *SetisocspecificdataforthefirstTRBinaTD. *PreventHWfromgettingtheTRBsbykeepingthecyclestate *invertedinthefirstTDsisocTRB.
*/
TRB_ISOC java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 0
TRB_SIA | TRB_TBC(burst_count);
if (!start_cycle)
field |= TRB_CYCLE;
/* Fill the rest of the TRB fields, and remaining normal TRBs. */
for (i = 0; i < trbs_per_td; i++) {
u32 remainder;
/* Only first TRB is isoc, overwrite otherwise. */
if (i) {
field = TRB_TYPE(TRB_NORMAL) | ep_ring->cycle_state;
length_field |= TRB_TD_SIZE(remainder);
} else {
length_field |= TRB_TD_SIZE_TBC(burst_count);
}
/* Only set interrupt on short packet for OUT EPs. */
if (usb_endpoint_dir_out(preq->pep->endpoint.desc))
field |= TRB_ISP;
/* Set the chain bit for all except the last TRB. */
if (i < trbs_per_td - 1) {
more_trbs_coming = true;
field |= TRB_CHAIN;
} else {
more_trbs_coming = false;
preq->td.last_trb = ep_ring->enqueue;
field |= TRB_IOC;
}
cleanup:
/* Clean up a partially enqueued isoc transfer. */
list_del_init(&preq->td.td_list);
ep_ring->num_tds--;
/*
* Use the first TD as a temporary variable to turn the TDs we've
* queued into No-ops with a software-owned cycle bit.
* That way the hardware won't accidentally start executing bogus TDs
* when we partially overwrite them.
* td->first_trb and td->start_seg are already set.
*/
preq->td.last_trb = ep_ring->enqueue;
/* Every TRB except the first & last will have its cycle bit flipped. */
cdnsp_td_to_noop(pdev, ep_ring, &preq->td, true);
/* Reset the ring enqueue back to the first TRB and its cycle bit. */
ep_ring->enqueue = preq->td.first_trb;
ep_ring->enq_seg = preq->td.start_seg;
ep_ring->cycle_state = start_cycle;
return ret;
}
/**** Command Ring Operations ****/
/*
* Generic function for queuing a command TRB on the command ring.
* Driver queue only one command to ring in the moment.
*/
static void cdnsp_queue_command(struct cdnsp_device *pdev,
u32 field1,
u32 field2,
u32 field3,
u32 field4)
{
cdnsp_prepare_ring(pdev, pdev->cmd_ring, EP_STATE_RUNNING, 1,
GFP_ATOMIC);
/*
* Suspend is set to indicate "Stop Endpoint Command" is being issued to stop
* activity on an endpoint that is about to be suspended.
*/
void cdnsp_queue_stop_endpoint(struct cdnsp_device *pdev, unsigned int ep_index)
{
cdnsp_queue_command(pdev, 0, 0, 0, SLOT_ID_FOR_TRB(pdev->slot_id) |
EP_ID_FOR_TRB(ep_index) | TRB_TYPE(TRB_STOP_RING));
}
/* Set Transfer Ring Dequeue Pointer command. */
void cdnsp_queue_new_dequeue_state(struct cdnsp_device *pdev,
struct cdnsp_ep *pep,
struct cdnsp_dequeue_state *deq_state)
{
u32 trb_stream_id = STREAM_ID_FOR_TRB(deq_state->stream_id);
u32 trb_slot_id = SLOT_ID_FOR_TRB(pdev->slot_id);
u32 type = TRB_TYPE(TRB_SET_DEQ);
u32 trb_sct = 0;
dma_addr_t addr;
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