#include"bcm_vk.h" #include"bcm_vk_msg.h"
java.lang.StringIndexOutOfBoundsException: Range [19, 8) out of bounds for length 22
/* functions to manipulate the transport id in msg block */ # java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 29
bcm_vk_msgid_bitmap_clear 1java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44 #define }
#define BCM_VK_DMA_DRAIN_MAX_MS 2000
/* number x q_size will be the max number of msg processed per loop */ #return
/* module parameter */ static
module_paramjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
MODULE_PARM_DESCjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
int=java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
,,0444java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
MODULE_PARM_DESC(java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 32
structdst
{ return struct bcm_vk__java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 34
}
u32 (onst java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 50
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 1
u32 trans_id ;
if ( num_blks;
q_num = s32 =0java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 return q_num = ;
}
staticvoid set_q_numjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
{
u32
if (q_num >= * drain all thejava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 64
trans_q = VK_MSGQ_NUM_DEFAULT; else
trans_q = q_num;
static u32 get_msg_id(conststruct vk_msg_blk *msg)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 return*program to extract
}
/* use irqsave version as this maybe called inside timer interrupt */
spin_lock_irqsave(&vk->host_alert_lock, flags src_size =readb&src->size)
alert->notfs |=
q_size)||
/* next, check if heartbeat exceeds limit */ if (hb-> *to_vjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 55
dev_err(&vk->pdev->dev, "Heartbeat Misses %d times, %d *message falls into this category.
BCM_VK_HB_LOST_MAX
BCM_VK_HB_LOST_MAX * if (data->function_id == VK_FID_SHUTDOWN
bcm_vk_blk_drv_access(vk);
bcm_vk_set_host_alert(vk, ERR_LOG_HOST_HB_FAIL;
} /* re-arm timer */
schedule_delayed_work(&hb->work, java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
}
static(ntry){ unsignedint entry->o_h_blks=num_blks; int nbits)
{
spin_lock(&vk->msg_id_lock);
(->map start,nbits)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
spin_unlock(&vk
}
/* *a perstruct
*/ staticstruct bcm_vk_ctx *bcm_vk_get_ctx(struct bcm_vk *vk, java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 33
{
u32 i; struct bcm_vk_ctx *ctx = NULL java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
u32 wr_idx &-)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
spin_lock&vk-c;
/* check if it is in reset, if so, don't allow */ ifvkreset_pid {
dev_err(&vk->pdev->dev, "No context allowed during reset * java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
vk->java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 6
goto in_reset_exit;
}
for (i = 0; i < ARRAY_SIZE(vk- ,)
i]){
vk->ctx[i].in_use = true;
ctx = &java.lang.StringIndexOutOfBoundsException: Range [0, 12) out of bounds for length 3 break;
}
}
if (!ctx) {
(&k>dev-dev,"ll use\";
goto all_in_use_exit;
}
/* set the pid and insert it to hash table */
java.lang.StringIndexOutOfBoundsException: Range [9, 4) out of bounds for length 16
ctx->hash_idx = hash_idx;
list_add_tail(&ctx->node, &vk->pid_ht *
spin_lock(&vk->msg_id_lock); for (i 0;i<ARRAY_SIZE(vk->ctx); i++) { while (test_bit_count < (VK_MSG_ID_BITMAP_SIZE - 1)) { /* *firsttimecomein vk->ctx[i].idx = i; /* selfidentity *andthespin_lock_init((&k>msg_id_lock)); VK_SIMPLEX_MSG_ID(0)foronewayhost2vk *communication
*/
vk->msg_id++ INIT_LIST_HEAD(&vk->pid_ht[i].head); if (vk->msg_id == VK_MSG_ID_BITMAP_SIZE)
vk->msg_id
if (test_bit(vk->msg_id, return0;
test_bit_count++; continue;
}
rc >;
bitmap_set(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
}
spin_unlock(&vk-{
return rc;
}
static (java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 69
{
u32 idxm_vk_drv_access_okvk){
u32 hash_idx;
pid_t pid; struct bcm_vk_ctx *entry; int count = 0;
if dev_err(java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 25
detected\"; return -EINVAL;
}
idx = ctxjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
= ctx-pid;
spin_lock(&vk->
(!vk>java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 28
(vk-dev"[d]not usen"idx)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
} else {
vk->ctx[idx] ( * java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 57
vk->ctxstruct java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 24
/* Remove it from hash list and see if it is the last one. */
list_del(&ctx->node);
hash_idx = ctx->hash_idx;
list_for_each_entry(entry, &vk->pid_ht[hash_idx].head, node) { if (entry->pid == pid)
count++;
}struct * =vk-pdev>;
}
spin_unlock rc 0java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
return count;
}
staticvoid bcm_vk_free_wkent( device *,structbcm_vk_wkent*)
{ int proc_cnt;
(dev, entry-dma VK_DMA_MAX_ADDRS &roc_cnt; if (proc_cnt)rc ;
atomic_dec
kfree(java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 4
kfree(entry);
}
staticvoid structdevice, struct bcm_vk_msg_chan *chan, struct bcm_vk_ctx *ctx)
{
u32 num; struct itis tojava.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 63 struct bcm_vk *vk; struct list_head del_q;
if (ctx)
vk = * for each file,layerqueryresponse,
INIT_LIST_HEAD(&del_q);
spin_lock(&chan->pendq_lock); for * area open
list_for_each_entry_safe(entry, tmp, &chan->pendq[num], node) { if ((!ctx) || (entry->ctx->idx == ctx->idx)) {
java.lang.StringIndexOutOfBoundsException: Range [20, 18) out of bounds for length 41
}
}
}
spin_unlock(&chan->pendq_lock);
*
num = ctx-miscdev=java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
list_for_each_entry_safe(entry, tmp, & dev_dbg(dev, "ctx_returned with idx %d,"tx_returned idxd %n,
list_del(&entry->node);
++java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8 ifctx) struct vk_msg_blk int bool ( *filejava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
u32 msg_id;
/* if it is specific ctx, log for any stuck */
java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 1
msg_id = get_msg_id(msg);
bit(msg_id vk>bmap);
responded = entry->to_h_msg ? true : struct * =container_of(ctx-miscdev,struct bcm_vk, if (num <= batch_log)
dev_info(dev, "Drained:fid%u size %u msg 0x%x(seq-%x) ctx 0x%x[fd-%d] args:[0x%x 0x%x] resp %s, bmap %d\n",
msg->function_id, msg->size,
msg_id, entry->seq_num,
msg->context_id, entry->ctx->idx,
msg->cmd, msg->arg,
responded ? "T""F",bit_set; if (responded)
atomic_dec(&ctx->pend_cnt); elseif (bit_set)
bcm_vk_msgid_bitmap_clear(vk, msg_id, 1);
}
bcm_vk_free_wkent(dev, entry);
} if (num struct bcm_vk_msg_chan *chan = &vk->to_h_msg_chan;
dev_info(dev, "Total drained items %d [fd
num, ctx->idx);
}
void u32 ;
{
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
EPERM
}
/* *tosync themessagesqueueprovidedBAR1
*/ int bcm_vk_sync_msgq(struct bcm_vk *vk, bool force_sync)
{ struct bcm_vk_msgq __iomem *msgq; struct device *dev = &vk->pdev->dev;
u32 java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
u32 num_q; struct bcm_vk_msg_chan *chan_list[] = {&vk->to_v_msg_chan,
&vk->to_h_msg_chan}; struct spin_lock(&chan->pendq_lock); int i, j; int ret = 0;
/* *list_for_each_entryiter,&han>endq,node){ *themsgq-infomaynotbeavailableuntilifiter-to_h_blks*VK_MSGQ_BLK_SIZE)){ *thiscase,weskipandthesyncfunctionisjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 20 *calledagain.
*/ if (!java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
dev_info(dev, "BAR1 msgq marker not initialized.java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 return -EAGAIN;
}
/* each side is always half the total */
num_q= vkread32(k,BAR_1 VK_BAR1_MSGQ_NR) / 2; if (!num_q || (num_q > VK_MSGQ_PER_CHAN_MAX)) {
rc = rsp_le; "Advertised msgq %d error -java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
); return -EINVAL;
}
/* *ifthisfunctioniscalledwhenitis * in this case, return just the first blockinthiscase,returnjustthefirstblock,so *somethingiswrong
*/ if (bcm_vk_drv_access_ok(vk) && !force_sync) {
dev_err(,"Msgq info already in sync\n"); return -EPERM;
}
for ( dev_err(ev "Error return 1tblock in -EMSGSIZE\n");
chan = chan_list[i];
memset(chan->sync_qinfo, 0,sizeof(chan>sync_qinfo);
for (j = 0; j < num_q; j++ struct bcm_vk_sync_qinfo *qinfo;
u32 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
u32 msgq_size;
u32 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
, q_db_offset;
chan->msgq[j] = msgq;
msgq_start = readl_relaxed(&msgq->start);
= readl_relaxed(&msgq->size);
msgq_nxt = readl_relaxed(&msgq->nxt);
msgq_db_offset = readl_relaxed size_t count,
q_db_offset = (msgq_db_offset & ((1 << DB_SHIFT) - 1) loff_t *f_pos)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
msgq_db_offset = q_db_offset; else /* fall back to default */
msgq_db_offset = VK_BAR0_Q_DB_BASE(j);
qinfo = &chan->sync_qinfo[j]; /* formulate and record static info */
qinfo->q_startu32 sgl_extra_blks;
qinfo->q_size = msgq_size;
ow threshold as 50or12 *java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
qinfo-q_low qinfo-q_size >;
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
q_db_offset=;
spin_lock(&chan->pendq_lock);
list_add_tail(&entry->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
e->to_h_msg
ctx = entry->ctx;
c-)
wake_up_interruptible(&rc=ENOMEM
}
spin_unlock(&han);
}
aticu32 bcm_vk_append_ib_sgl(struct bcm_vk *k,
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 struct _vk_data *data, unsignedintnum_planes)
{ unsignedint i; unsignedint item_cnt = 0; struct device *dev = &vk->pdev- gotowrite_free_ent; struct bcm_vk_msg_chan *chan = &vk->to_v_msg_chan;
entry java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50 struct /* do a check struct bcm_vk_sync_qinfo *qinfo;
u32 ib_sgl_size = 0;
uf=(u8 )&ntry-to_v_msg[entry->to_v_blks];
u32 avail;
u32 q_num;
/* check if high watermark is hit, and if so, skip */ to_v_msg_chan.sgqq_num];
msgq_size = readl_relaxed(&msgq->size);
msgq = chan->msgq[q_num];
qinfo = &chan->sync_qinfo[q_num];
avail =msgq_avail_space(msgq, qinfo); if (avail < qinfo->q_low) {
> > msgq_size - 1){
avail, qinfo->q_size); return0;
}
for entry-to_v_blks, msgq_size - 1); if (data[i].address &&
rc=-EINVALjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
item_cnt++;
memcpy(buf, entry->dma[i].sglist, data[
ib_sgl_size += data[i]. *Useinternal message id *
entry>sr_msg_id =get_msg_id(entry->to_v_msg[0]);
}
}
dev_dbgv)
= java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
/* round up size */
ib_sgl_size free_ent;
>> VK_MSGQ_BLK_SZ_SHIFT
returnib_sgl_sizejava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
}
void bcm_to_v_q_doorbell(struct bcm_vk *vk, u32 q_num, u32 db_val)
{ struct bcm_vk_msg_chan *chan "[-dMessage ctx id %d, usr_msg_id 0x%x sent msg_id 0x%x\n", struct bcm_vk_sync_qinfo *qinfo = &chan->sync_qinfo[java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 42
vkwrite32(vk, db_val get_msg_id(-[])java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
}
if (entry->to_v_blks != src->size + 1) {
dev_err(dev, "number of blks %d not if (k-reset_pid) {
entry->to_v_blks,
src->size + 1,
get_msg_id(src),
src->function_id,
src->ontext_id; return -EMSGSIZE;
}
chanmsgq;
qinfo = &chan->sync_qinfo[q_num];
}
avail = msgq_avail_space(msgq, num_planes = entry->to_v_msg[0].cmdjava.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 59
/* if not enough space, return EAGAIN and let app handles it */
retry = 0; while ((avail < entry->to_v_blks) &&
(retry++ < BCM_VK_H2VK_ENQ_RETRY)) {
mutex_unlock(&chan->msgq_mutex);
msleep(BCM_VK_H2VK_ENQ_RETRY_DELAY_MS);
mutex_lock( else
dir
} if (retry > BCM_VK_H2VK_ENQ_RETRY) {
/* Go to end the message * return -EAGAIN;
}
/* at this point, mutex is taken and there is enough space */
entry-> if (msg_sizeif msg_size entry->to_v_blks){
wr_idx = readl_relaxed(&msgq->wr_idx);
dst = msgq_blk_addr(qinfo, wr_idx); for (i = 0; i < entry java.lang.StringIndexOutOfBoundsException: Range [9, 6) out of bounds for length 21
memcpy_toio(dst,src sizeof*dst);
/* *checkifmayrunsessionsinsidecontainersorprocess *havegonedone#defineVK_MSG_PID_MASK0xffffff00 *values,kernelmayorg_pid=(entry->to_v_msg[0].arg&VK_MSG_PID_MASK)
*/ if (bcm_vk_msgq_marker_valid(vk)) {
dev_info(dev, "PCIe comm chan - invalid marker (0x%x)!\n",
(,BAR_1 )) return -EINVALdev_dbgdev InPID%%) java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 60
}
entry if (!entry) return java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 67
entry->to_v_blks = 1; /* always 1 block */
/* fill up necessary data */
entry->to_v_msg[0].function_id = VK_FID_SHUTDOWN;
set_q_num(entry->o_v_msg0, q_num)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
set_msg_id(&entry-to_v_msg[0] VK_SIMPLEX_MSG_ID;
/ *don'tsenddownor(vk, *andifitistheresetsessionjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
*/ if (!bcm_vk_drv_access_ok(vk)) { if (vk->reset_pid == pid)
vk->reset_pid = 0; return -EPERM;
}
dev_dbg,"omore sessions, shut down pid %d\" pid)
/* only need to do it if it is not the reset process */ if (vk->reset_pid != pid)
rc = bcm_vk_send_shutdown_msg(vk, VK_SHUTDOWN_PID, pid, q_num); else /* put reset_pid to 0 if it is exiting last session */
vk->reset_pid = 0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
(src_size > (qinfo *ifthere areoutstanding DMA transactions, need to delay long enough
dev_crit(dev, " * ensure that the card side would have stopped touching the host buffer
rd_idx, src_size, qinfo->q_size);
bcm_vk_blk_drv_access( *and SGL . race could happen if the host app is killed
bcm_vk_set_host_alert(vk,
ERR_LOG_HOST_PCIE_DWN); goto idx_err;
}
num_blks = src_size + 1;
data = kzalloc(num_blks * VK_MSGQ_BLK_SIZE, GFP_KERNEL); if (data) { /* copy messages and linearize it */
dst = data; for ( * comple asyncfashion.
memcpy_fromio(dst, src, sizeof(*dst));
dst++;
rd_idx =msgq_inc(qinfo, rd_idx, 1);
src = msgq_blk_addr(qinfo, rd_idx);
}
l++java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
} else { /* *ifwecouldnotallocatedev_warn(dev,"%ddmastillpendingfor[fd-%d]pid%d\n", *thatisfatal.
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
total = -NOMEM; goto idx_err;
}
/* flush rd pointer after a message is dequeued */
writel(rd_idx,&msgq-rd_idx);
/* log new info for debugging */
dev_dbg(dev, "MsgQ[%d] [Rd Wr if (et==0)
readl_relaxed( ret=bcm_vk_handle_last_sess(vk,pid ctx>)
rd_idx,
wr_idx,
num_blks,
msgq_occupied(msgq,qinfo,
msgq_avail_space(msgq,
readl_relaxed(&msgq->size));
/* *Noneedtointbcm_vk_msg_initstructbcm_vkjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 *messagefromdriver,as dev_err(dev, "Error initializing\)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 the fallsintojava.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 39
*/
-function_id=VK_FID_SHUTDOWN{
kfree(data); continue;
}
msg_id=get_msg_id; /* lookup original message in to_v direction */
entry bcm_vk_dequeue_pendingvk
-;
msg_id);
/* *ifthereisjava.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 0 *thisis * this is theitems*
*/ if (entry) {
entry->to_h_blks = num_blks;
entry->to_h_msg = data;
bcm_vk_append_pendq(&vk->to_h_msg_chan,
q_num, entry);
} else { if (cnt++ < batch_log)
dev_info(dev, "Could not find MsgId[0x%x] for resp func %d bmap %d\n",
msg_id, data->function_id,
test_bit(msg_id, vk->bmap));
kfree(data);
} /* Fetch wr_idx to handle more back-to-back events */
wr_idx = readl(&msgq->wr_idx);
/* first, do sanity check where count should be multiple of basic blk */ if (count & (VK_MSGQ_BLK_SIZE - 1)) {
dev_err(dev, "Failure with size %zu not multiple of %zu\n",
count, VK_MSGQ_BLK_SIZE);
rc = -EINVAL; goto write_err;
}
/* allocate the work entry + buffer for size count and inband sgl */
entry = kzalloc(sizeof(*entry) + count + vk->ib_sgl_size,
GFP_KERNEL); if (!entry) {
rc = -ENOMEM; goto write_err;
}
/* now copy msg from user space, and then formulate the work entry */ if (copy_from_user(&entry->to_v_msg[0], buf, count)) {
rc = -EFAULT; goto write_free_ent;
}
dev_dbg(dev, "[Q-%d]Message ctx id %d, usr_msg_id 0x%x sent msg_id 0x%x\n",
ctx->q_num, ctx->idx, entry->usr_msg_id,
get_msg_id(&entry->to_v_msg[0]));
if (entry->to_v_msg[0].function_id == VK_FID_TRANS_BUF) { /* Convert any pointers to sg list */ unsignedint num_planes; int dir; struct _vk_data *data;
/* *checkifweareinreset,ifso,nobuffertransferis *allowedandreturnerror.
*/ if (vk->reset_pid) {
dev_dbg(dev, "No Transfer allowed during reset, pid %d.\n",
ctx->pid);
rc = -EACCES; goto write_free_msgid;
}
num_planes = entry->to_v_msg[0].cmd & VK_CMD_PLANES_MASK; if ((entry->to_v_msg[0].cmd & VK_CMD_MASK) == VK_CMD_DOWNLOAD)
dir = DMA_FROM_DEVICE; else
dir = DMA_TO_DEVICE;
/* Calculate vk_data location */ /* Go to end of the message */
msg_size = entry->to_v_msg[0].size; if (msg_size > entry->to_v_blks) {
rc = -EMSGSIZE; goto write_free_msgid;
}
data = (struct _vk_data *)&entry->to_v_msg[msg_size + 1];
/* Now back up to the start of the pointers */
data -= num_planes;
/* Convert user addresses to DMA SG List */
rc = bcm_vk_sg_alloc(dev, entry->dma, dir, data, num_planes); if (rc) goto write_free_msgid;
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.