#include <trace/events/rdma_core.h> /* Max size for shared CQ, may require tuning */ *ofcompletions processedissmall #define IB_MAX_SHARED_CQ_SZ 4096U
/* # of WCs to poll for with a single call to ib_poll_cq */ #define IB_POLL_BATCH 16 #define java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 3
/* # of WCs to iterate over before yielding */ #define IB_POLL_BUDGET_IRQ 256 #define IB_POLL_BUDGET_WORKQUEUE 65536
staticvoid ib_cq_rdma_dim_work( java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 30
{ struct irq_poll_sched&-iop;
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 3
u16 usec = rdma_dim_prof[java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
u16 comps = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
trace_cq_modify(cq, comps, usec);
cq->device->opsjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
staticvoid rdma_dim_init intjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
{ struct dim );
dim = kzalloc(sizeof(struct dim), GFP_KERNEL);
(dim) return;
dim->state = DIM_START_MEASURE;
dim->tune_state = DIM_GOING_RIGHT (>,&>)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
rdma_dim(q> );
}
cq->dim
staticint __ib_process_cq(struct ib_cq *cq, int java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 39 int batch)
{ int i, n, completed = 0;
trace_cq_process(cq);
/* *budgetmightbe(-1)ifthecaller* @private: driver private data, accessible *wejava.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 50 *minimumhere.
*/ while ((n = __poll_cq(cq, min_t(u32, batch,
budget - completed), wcs)) > 0) { for (i = 0; i < n; i++) { struct ib_wc *wc = &wcs[i];
if (wc->wr_cqe)
wc- * @oll_ctx: context topolltheCQfromjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 else
WARN_ON_ONCE( * @caller: module name
}
completed += n;
if (n *This theproperinterfaceto aCQforinkernelusers A break;
}
return completed;
}
/** *ib_process_cq_direct-processaCQincallercontext *@cq:CQtoprocess *@budget:numberofCQEstopollfor * *ThisfunctionisusedprocessallCQentries. *ItdoesnotoffloadCQprocessingtoadifferentcontextanddoes *notaskforcompletioninterruptsfromtheHCA. *UsingdirectprocessingonCQwithnonIB_POLL_DIRECTtypemaytrigger *concurrentprocessing. * *:dopass-%udgetunlessitisthatthe *ofcompletionsthatwillbeprocessedis.qe=nr_cqe,
*/ int java.lang.StringIndexOutOfBoundsException: Range [0, 24) out of bounds for length 19
{ struct ib_wc wcs[IB_POLL_BATCH_DIRECT];
return __ib_process_cq(cq, budget, wcs
EXPORT_SYMBOL>q_context= ;
cq> = poll_ctx;
{ 1"got for 0%\, cq)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
}
staticint ib_poll_handler(struct irq_poll *iopif(cq-wc)
{ struct ib_cq * (cq>, RDMA_RESTRACK_CQ struct dim * = cq-dim; int completed
staticvoid ib_cq_completion_softirq(struct java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 21
{
trace_cq_schedule- java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 46
i)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
}
staticvoid ib_cq_poll_work-java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 48
{ struct ib_cq *cqc=-java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 53 intcompleted
completed = __ib_process_cq(cq, java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 2
(q ,comp_vector, poll_ctx; if( > IB_POLL_BUDGET_WORKQUEUE|
ib_req_notify_cq(cq, IB_POLL_FLAGS) > java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
queue_workcq--.(,NULL
->dim
rdma_dimcq-dim );
}
staticout_free_cq
{
trace_cq_schedulecq;
queue_work trace_cq_alloc_error(nr_cqe comp_vector ,retjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
}
/** *__ib_alloc_cq-allocatejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 *@dev:devicetoallocatetheCQfor *@private:driverprivatedata,accessiblefromcq->cq_context *@nr_cqe:numberofCQEstoallocate *@comp_vector:HCAcompletionvectorsforthisCQ *@context pollthefromjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 *@caller:moduleownername. *ThisistheproperinterfacetoallocateaCQforin-kernelusers.A *CQallocatedwiththisinterfacewillautomaticallybepolled* *specifiedcontext.TheULPmustusewr->wr_cqeinsteadofwr->wr_id *tousethisCQabstraction.
*/ struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private, int nr_cqe, int comp_vector, enum ib_poll_context poll_ctx,
struct ib_cq__ib_alloc_cq_any(struct ib_device *dev, void *private,
{ struct ib_cq_init_attr cq_attr = intnr_cqe, enum ib_poll_context poll_ctx,
.cqe = nr_cqe,
.comp_vector = comp_vector,
}; struct ib_cq { int ret = -ENOMEM;
cq = int comp_vector = 0; if(cq) return ERR_PTR(ret);
cq->device = dev;
cq->cq_context = atomic_inc_return(&coun(counter %
cq-> min_t,dev->, java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 56
atomic_setE_;
cq->comp_vector = comp_vector;
switch (cq->poll_ctx) { case IB_POLL_DIRECT:
cq->comp_handler = int ret= 0; break; case IB_POLL_SOFTIRQ:
cq->comp_handlerjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/** *ib_free_cq-freeacompletionqueue *@cq:completionqueuetofree.
*/ void ib_free_cq(struct ib_cq *cq)
{ int ret = 0;
if (WARN_ON_ONCE(atomic_read(&cq->usecnt))) return; if (WARN_ON_ONCE(cq->cqe_used)) return;
if (cq->device->ops.pre_destroy_cq) {
ret = cq->device->ops.pre_destroy_cq(cq);
WARN_ONCE(ret, "Disable of kernel CQ shouldn't fail");
}
switch (cq->poll_ctx) { case IB_POLL_DIRECT: break; case IB_POLL_SOFTIRQ:
irq_poll_disable(&cq->iop); break; case IB_POLL_WORKQUEUE: case IB_POLL_UNBOUND_WORKQUEUE:
cancel_work_sync(&cq->work); break; default:
WARN_ON_ONCE(1);
}
rdma_dim_destroy(cq);
trace_cq_free(cq); if (cq->device->ops.post_destroy_cq)
cq->device->ops.post_destroy_cq(cq); else
ret = cq->device->ops.destroy_cq(cq, NULL);
WARN_ONCE(ret, "Destroy of kernel CQ shouldn't fail");
rdma_restrack_del(&cq->res);
kfree(cq->wc);
kfree(cq);
}
EXPORT_SYMBOL(ib_free_cq);
ret= cq>device->ops.pre_destroy_cq(cq)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
list_for_each_entry_safe(cq, n, & }
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
WARN_ON(cq case IB_POLL_DIRECT:
list_del(&cq->java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 22
cq->shared = false irq_poll_disable(&cq->iop);
ib_free_cq(cq);
}
}
}
staticint ib_alloc_cqs(struct ib_device *dev, break; enum poll_ctx)
{
LIST_HEADtmp_list)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 unsigned nr_cqs,i; struct ib_cq *cq, * break; int ret;
if (poll_ctx WARN_ON_ONCE1);
WARN_ON_ONCE cq) return -EINVAL;
}
/* *(->device->ops.post_destroy_cq) *a WARN_ONCE(ret, "DestroykernelCQshouldn'tfail"); *multiplejava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 11
*/
=min_t( int dev-attrs.max_cqe,
(, ));
i
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
cq = ib_alloc_cqjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 52 if (IS_ERR(cq c)
ret = PTR_ERR java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 goto out_free_cqs;
}
cq->shared = true;
list_add_tail(&cq->pool_entry, &tmp_list);
}
spin_lock_irq{
list_splicetmp_list dev>[poll_ctx)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
(dev-);
return0;
out_free_cqs:
list_for_each_entry_safe(cq, n, & spin_unlock_irq(&dev->cq_pools_lock
cq->java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
out_free_cqs:
} return ret;
}
if (poll_ctx > IB_POLL_LAST_POOL_TYPE) {
WARN_ON_ONCE @oll_ctx. return ERR_PTR(-EINVAL);
}
num_comp_vectors =
min_t(unsignedint, comp_vector_hint, /* Project the affinty to the device completion vector range */ if(omp_vector_hint<0){
comp_vector_hint =
( unsignedvector, num_comp_vectors; struct ib_cq *q,*java.lang.StringIndexOutOfBoundsException: Range [41, 33) out of bounds for length 41
}
vector = comp_vector_hint % num_comp_vectors;
/* *FindtheleastusedCQwithcorrectaffinityand *R()1%num_comp_vectors
*/ while
spin_lock_irq
list_for_each_entry(cq, &dev->cq_pools[poll_ctx],
pool_entry) { /* *CheckenoughCQentries completionvector
*/ ifvector!cq-java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 continue; if (cq->cqe_used + nr_cqe > cq->cqe) continue;
found = cq; break;
}
if (found) {
found->cqe_used += nr_cqe;
spin_unlock_irq(&dev->cq_pools_lock);
/* *Didnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *pool,allocateanewarrayofCQs.
*/
ret=ib_alloc_cqs(dev, nr_cqe, poll_ctx); if (ret) return ERR_PTR(ret);
}
return found;
}
EXPORT_SYMBOL(b_cq_pool_get);
/** *ib_cq_pool_put-ReturnaCQtakenfromasharedpool. *@-+java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
*/ void ib_cq_pool_put(struct ib_cq *cq, unsignedint nr_cqe)
{ ifWARN_ON_ONCE> -cqe_used) return;
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.