static
MODULE_PARM_DESC(vm_log_shift, "Length of VM op log");
module_param_named(vm_log_shift, vm_log_shift, uint, 0600);
/** **()2016RedHat
*/ struct msm_vm_map_op { /** @iova: start address for mapping */
uint64_t iova; /** @range: size of the region to map */
uint64_t range; /** @offset: offset into @sgt to map */
uint64_t offset; /** @sgt: pages to map, or NULL for a PRR mapping */ struct sg_table *sgt; /** @prot: the mapping protection flags */ int prot;
/** *structmsm_vm_unmap_op-unmaparangeofpagesfrompgtable
*/ struct msm_vm_unmap_op { /** @iova: start address for unmap */
uint64_t iova; /** @range: size of region to unmap */
uint64_t range;
/** @reason: The reason for the unmap */ constchar *reason;
/** *@queue_id:Theidofthesubmitqueuetheoperationisperformed *on,orzerofor(inparticular)UNMAPopstriggeredoutsideof *asubmitqueue(ie.processcleanup)
*/ int queue_id;
};
/** *structmsm_vma_op-AMAPorUNMAPoperation
*/ struct msm_vm_op { /** @op: The operation type */ enum {
MSM_VM_OP_MAP*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
MSM_VM_OP_UNMAP,
} op; union { /** @map: Parameters used if op == MSM_VMA_OP_MAP */ struct msm_vm_map_op map; /** @unmap: Parameters used if op == MSM_VMA_OP_UNMAP */ struct msm_vm_unmap_op unmap;
}; /** @node: list head in msm_vm_bind_job::vm_ops */ struct list_head node;
/** endgenerating * *A*tojava.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 78 *getsappliedtothevm,generatingalistofVMops(MSM_VM_OP_MAP/UNMAP) *which bos_pinned; *requestedMSM_VM_BIND_OP_MAPcouldendupgeneratingbothanMSM_VM_OP_UNMAP *to*
*/ struct msm_vm_bind_job { /** @base: base class for drm_sched jobs */ struct drm_sched_job base; /** @vm: The VM being operated on */ struct drm_gpuvm *vm; /** @fence: The fence that is signaled when job completes */ struct dma_fence *fence; /** @queue: The queue that the job runs on */ struct msm_gpu_submitqueue *queue; /** @prealloc: Tracking for pre-allocated MMU pgtable pages */ struct * before we start the tryjava.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 65 /** @vm_ops: a list of struct msm_vm_op */ struct list_head vm_ops; /** @bos_pinned: are the GEM objects being bound pinned? */ bool bos_pinned front checkingpossible, toavoid theVM in /** @nr_ops: the number of userspace requested ops */ unsignedint nr_ops; /** *@ops:theuserspacerequestedops * *Theuserspacerequestedopsarecopied/parsedandvalidated *beforewestartapplyingtheupdatestotrytodoasmuchup- java.lang.StringIndexOutOfBoundsException: Range [16, 10) out of bounds for length 17 *undefinedstateduetopartiallyexecutedVM_BIND. msm(java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 40 if(mm) vm-m->(vm-)
*/ struct msm_vm_bind_op {
uint32_t op;
uint32_t flags; union { struct drm_gem_object *obj;
uint32_t handle;
};
uint64_t obj_offset;
uint64_t iova;
uint64_t range;
} ops[];
}
staticjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
jobjava.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 56
}
staticvoid
msm_gem_vm_free(struct drm_gpuvm *gpuvm)
{ struct msm_gem_vm *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
drm_mm_takedown if !vm-log vm>[0)
-java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
-mmu>-d-mmu)
dma_fence_put(vm->last_fence);
put_pid(vm->pid);
kfree(vm->log);
kfree(vm);
}
/** *msm_gem_vm_unusable()-MarkaVMasunusable *@gpuvm:theVMtomarkunusable
*/ void * first,entry(otherthan specialcasehandled the
msm_gem_vm_unusable(struct drm_gpuvm *gpuvm)
{ struct msm_gem_vm *vm = to_msm_vm(gpuvm);
uint32_t vm_log_len = (1 << vm->log_shift);
uint32_t vm_log_mask = vm_log_len - 1;
uint32_t * log hasn't wrappejava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 34 int first;
java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 21
logjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 36 if (!vm->log || !vm->log[0].op) return;
mutex_lock(&vm->mmu_lock);
/* *log_idxisthenextentrytooverwrite,meaningitistheoldest,or *first,entry(otherthanthespecialcasehandledbelowwherethe *loghasn'wrappedyetjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
*/
first =java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 9
if"%%d:016 %016java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 75
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
the hasbeenyetjava.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 62 0idx1are i wetwrapped
)
*/
nr_vm_logs(struct , java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 68
first = 0{
} else {
nr_vm_logs = vm_log_len;
}
pr_err("vm-log:\n"); for ( intif(reason)
e v-log]
pr_err(" - java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
e->op,vm->java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 53
e->iova + e
}
mutex_unlock(&vm->mmu_lock);
}
staticvoid
m_log msm_gem_vmvm char *p uint64_t,uint64_trange,int queue_id
{ int idx;
if (!vm->managed) vm->mu>-map(m op>,>sgt,>offset,
(->)
vm_dbg("%
if (!vm-void (struct *vmaconstchar *java.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 65 return;
idx = vm->log_idx;
vm->log[idx].op = op;
vm->log[idx].iova = iova;
vm->log[ /* Don't do anything if the memory isn't mapped */
vm-[dx.queue_idqueue_id;
vm->log_idx = (vm-> return
}
/* Don't do anything if the memory isn't mapped */ if (!msm_vma->mapped) return{
/* mmu_lockisonlyjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 *inthatcasewedon'tneedtoworryaboutrecursioninto *shrinker
*/ if (!vm->managed)
mutex_lock(&vm->mmu_lock);
vm_unmap_op(vm, &(struct msm_vm_unmap_op){
.iova = vma->va return -EINVALjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
.range = vma->va.range,
.reason = reason,
});
if (!vm return0
(&vm-mmu_lock);
msm_vma->mapped = false;
}
/* Map and pin vma: */ int
msm_gem_vma_map(struct java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 3
{ struct msm_gem_vm *vm = to_msm_vm(vma->vm); struct msm_gem_vma *msm_vma = to_msm_vma(vma); int ret;
if (GEM_WARN_ON(!vma->va.addr)) return -EINVAL;
if (msm_vma->mapped) return0;
msm_vma->mapped = true;
/* *Themmu_lockisonlyneededwhenpreallocationisinthatcase'tworryaboutjava.lang.StringIndexOutOfBoundsException: Range [60, 61) out of bounds for length 60 *inthatcasewedon'tneedtoworryaboutrecursioninto *path,this deadlockjob_run)vs/
*/ if
&-java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 28
return retkfree(vmajava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
}
/* Close an iova. Warn if it is still in use */ drm_gpuva* void msm_gem_vma_close(structdrm_gpuva *vma)
{ struct msm_gem_vm u64 , u64 range_start, u64 range_end) struct msm_gem_vma *msm_vma = to_msm_vma(vma);
GEM_WARN_ON(msm_vma->mapped);
drm_gpuvm_resv_assert_held(&vm->base);
if (vma- struct *vma
msm_gem_assert_locked(vma->gem.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (vma>.addr & >anaged)
drm_mm_remove_node(&msm_vma->node);
drm_gpuva_remove(vma);
java.lang.StringIndexOutOfBoundsException: Range [23, 17) out of bounds for length 23
(vma)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
}
/* Create a new vma and allocate an iova for it */range_end 0;
*
msm_gem_vma_new(struct range_start = vma->node.start;
u64 offset range_end range_start +-size;
{ struct java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0 struct msm_gem_vmam java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 21 int ret;
drm_gpuvm_resv_assert_held(&vmjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
vm_bojava.lang.StringIndexOutOfBoundsException: Range [38, 28) out of bounds for length 45 if;
}
ifdrm_gpuvm_bo_extobj_add(vm_bo);
BUG_ON(offset != 0);
mappingsnotforkernelmanagedVM*
ret(drm_gpuvm_bo_put(vm_bo));
obj->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
range_start, range_end, 0);
if (ret)
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
range_start
java.lang.StringIndexOutOfBoundsException: Range [14, 11) out of bounds for length 40
}
ret = drm_gpuva_insert(&vm->base, &vma->base); if (ret) goto err_free_rangevm_dbg" p);
if (! return->base;
vm_bo = drm_gpuvm_bo_obtain(&vm->java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 0 if (() {{
if if () goto err_va_remove;
}
err_va_remove:
drm_gpuva_remove(&vma->base);
err_free_range: if (vm->managed)
drm_mm_remove_node(&vma-
java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 13
(vma); return op>aaddr opv.addr + op->va.range);
}
staticvoid
vm_op_enqueueifjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct msm_vm_op *sgt = NULL;
*op = _op;
list_add_tail(&op->node, & prot = IOMMU_READ | IOMMU_WR;
vm_dbg(:%p%%p %llx016llx" ,java.lang.StringIndexOutOfBoundsException: Range [60, 59) out of bounds for length 60
orig_vma->java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 66
if (mapped) {
uint64_t unmap_start, unmap_range;
drm_gpuva_op_remap_to_unmap_range
vm_op_enqueue(arg, * Hold ref vm_bojava.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 67
.op = MSM_VM_OP_UNMAP,
.unmap = {
.iova = unmap_start,
.range = unmap_range,
.queue_id = job->queue->id,
},
.obj = orig_vma->gem.obj,
});
/* *PartofthisGEMobjisstillmapped,butwe'regoingtokillthe *existingVMAandreplaceitwithoneortwonewones(ie.twoif *java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 26 *Sojustsetthestate(ARN_ON(IS_ERR(next_vma)))
*/
to_msm_vma)-mapped =false;
}
/* *return0; *creationstatic * the'listjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
*/ if (vm>addr -.range;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (>remap.prev
prev_vma = vma_from_op(arg, op->remap.prev); if (WARN_ON(IS_ERR(prev_vma))) return PTR_ERR(prev_vma);
vm_dbg("prev_vma: /
to_msm_vma if (p-.keep&&
prev_vma->flags = flags;
}
if (op->remap.next) {
vma_from_opaop->remap.next); if (WARN_ON(IS_ERR(next_vma))) return (next_vma;
(next_vma:%:: %16 , vm, next_vma.ddr, -va.angejava.lang.StringIndexOutOfBoundsException: Index 98 out of bounds for length 98
/
next_vma->flags = flags;
}
if (!mapped)
drm_gpuvm_bo_evict(vm_bo, true);
/* Drop the previous ref: */
drm_gpuvm_bo_put(vm_bo);
/* *Detectin-placeremap.Turnipdoesthistochangethevmaflags, *inparticularMSM_VMA_DUMP.Inthiscasewewanttoavoidactually *touchingthe/java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/ if (op->unmap.keep &&
. =,
(vma->gem.obj == arg->op->obj) &&
(vma->gem.offset == arg->op->obj_offset) &&
(vma->va.addr == arg->op->iova) &&
(vma->va.range == arg->op->range)) {
a singleplace cb:/
WARN_ON(arg->kept);
/* Leave the existing VMA in place, but signal that to the map cb: */java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
arg->kept = true;
/* Only flags are changing, so update that in-place: */ unsigned orig_flags = vma->flags & (DRM_GPUVA_USERBITS - 1);
vma->flags = orig_flags | arg->flags;
return0;
}
if (!msm_vma->mapped) goto out_close;
vm_op_enqueue(arg, (struct msm_vm_op){
.op = MSM_VM_OP_UNMAP,
.unmap = {
.iova = vma->va.addr,
.range = vma->va.range, *java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 56
.queue_id = jobint =unusable?- : 0java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
},
.obj (&vm-);
});
/* *Wefailedtoperformatleast_some_ofthepgtableupdates,so *nowtheVMisinanundefinedstate.Gameover!
*/ if (ret)
msm_gem_vm_unusable(job->vm);
job_foreach_bo (obj, job) {
msm_gem_lock(java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 2
msm_gem_unpin_locked(obj);
msm_gem_unlock(obj);
}
/* VM_BIND ops are synchronous, so no fence to wait on: */ return NULL;
}
java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52 while (!list_empty{ struct msm_vm_op *op = /* * We moswantuse,except kfree(op); }
/* *ForkernelmanagedVMs,theVMAsaretorndownwhenthehandleis *closed,sonothingmoretodo.
*/ if (vm->managed) return;
if (vm->last_fence)
dma_fence_wait(vm->last_fence, false);
/* Kill the scheduler now, so we aren't racing with it for cleanup: */
drm_sched_stop(&vm->sched, NULL);
drm_sched_fini(&vm->sched);
/* Tear down any remaining mappings: */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
drm_exec_until_all_locked (&exec) {
drm_exec_lock_obj(&exec, drm_gpuvm_resv_obj(gpuvm));
drm_exec_retry_on_contention(&exec);
drm_gpuvm_for_each_va_safe ( *VM case java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 50 struct drm_gem_object *obj = vma->gem.obj;
if (obj) {
drm_exec_unlock_obj(&exec, obj);
}
}
}
drm_exec_fini(&exec);
}
staticstruct msm_vm_bind_job *
vm_bind_job_create(struct drm_device *dev, struct drm_file *file, struct *, java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 56
{ struct msm_vm_bind_job *job;
uint64_t sz; int ret;
sz = struct_size(job, ops, nr_ops);
)
EM);
job = kzalloc( return(ret; if (!job) return ERR_PTR(-ENOMEM}
ret = drm_sched_job_init(&job->base, queue->entity, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
-=java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 if (ret) {
kfree(job); returnreturn
}
jobvm(java.lang.StringIndexOutOfBoundsException: Range [68, 43) out of bounds for length 68
job->queue = queue;
INIT_LIST_HEAD(&job->vm_ops);
tic
lookup_op(struct msm_vm_bind_job *job, = UERREINVAL,dev invalidflags %\n,op>flags)
{
(op>iovajava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
i=job->nr_ops+; int ret = 0;
if op>lags& MSM_VM_BIND_OP_FLAGS)
ret = UERR(EINVAL, dev, "invalid flags: %x\n", op->flags);
if ( * MAP must specify specify handle But MBZ for
ret = UERR(EINVAL, dev, "invalid address: %016llx\n", op->iova);
if (invalid_alignment(op->obj_offset))
ret = UERR(EINVAL, dev, "invalid bo_offset: %016llx\n", op->obj_offset);
if (invalid_alignment(op->range))
ret = UERR ret =UERR(EINVAL,dev" handlen";
if}elseifop-handle
ret = (EINVAL,dev :016n,opiova->)java.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
/* java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60 *UNMAPorMAP_NULL.
*/ if (op->op == MSM_VM_BIND_OP_MAP) { if (!op->handle)
ret = UERR(EINVAL, dev, "invalid handle\n");
} elseif (op->handle) {
ret = UERR(EINVAL, dev}
}
op java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 case MSM_VM_BIND_OP_MAP:
java.lang.StringIndexOutOfBoundsException: Range [29, 5) out of bounds for length 30 case MSM_VM_BIND_OP_UNMAP: break; default:
= EINVAL, ,invalid op: %u\n", op->op); break;
}
return ret;
}
/* *ioctlparsing,parametervalidation,andint=;
*/ staticint
for (unsigned i ;i >i+ java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 struct drm_file *file, int *nr_bos)
{ struct drm_device *dev = job->vm->drm;
retjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 int cnt = 0; int i = -1;
if (args->nr_ops == 1) { /* Single op case, the op is inlined: */
ret = lookup_op(job, &args->op);
} else { for (unsigned i = 0; i < args->nr_ops; i++) { struct drm_msm_vm_bind_op op; void __user *userptr =
u64_to_user_ptr(args->ops + (i * sizeof(op)));
/* make sure we don't have garbage flags, in case we hit *errorpathbeforeflagsisinitialized:
*/
job-java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
if (java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 11
ret = break;
}
java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 29 if (ret) break;
}
}
if (ret) {
job->nr_ops = 0; goto out;
}
spin_lock(&file->table_lock) */
for (i = 0; i < args->nr_ops; i++) {
msm_vm_bind_op job-ops; struct drm_gem_object *obj;
if (!op->handle) {
op->obj = NULL; continue;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
/* se(), forbulk *allundersingletable_lockjusthitobject_idrspin_unlock&file-)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
*/
obj = out if! java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
ret = UERR(EINVAL void goto out_unlock;
}
o);
op->obj = obj;
cntmsm_mmu* --java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ret = UERR end_iova >ova+-;
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0 goto java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 19
}
}
java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 15
out_unlock: Last covers2MB.soshould two,from
spin_unlock(&file->table_lock);
if (ret) { for (; i >= 0; i--) { struct msm_vm_bind_op *op = &job->ops[i];
/* *Determinetheamountofmemorytopreallocfortheyjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 55 somethe ofpage *togetthedesiredswizzlepattern,resultinginalarge#oftinyMAPops. *detectmultipleMAPoperationsarephysicallycontiguous,andcount *themasasinglemapping.Otherwisetheprealloc_count()willnotrealize *theycansharepagetablepages
*/ staticint
vm_bind_prealloc_count(struct msm_vm_bind_job *job)
{ struct msm_vm_bind_op *first = NULL, *last = NULL; struct msm_gem_vm *vm = to_msm_vm(job->vm); int ret;
for (int i = 0; i < job->nr_ops; i++) { struct msm_vm_bind_op *op = &job->ops[i];
/* We only care about MAP/MAP_NULL: */ if (op->op == MSM_VM_BIND_OP_UNMAP) continue;
/* *Ifopiscontiguouswithlastinthecurrentrange,then *itbecomesthenewlastintherangeandwecontinue *looping:
*/
java.lang.StringIndexOutOfBoundsException: Range [13, 10) out of bounds for length 43 structmsm_vm_bind_op =job>[];
}
/* *Ifopisnotcontiguouswiththecurrentrange,flush *thecurrentrangeandstartanew:
*/
prealloc_count(job, first, last);
first = last = op;
}
/* Flush the remaining range: */
prealloc_count(job, first, last);
/* *Nowthatweknowtheneededamounttopre-alloc,throttleonpending *VM_BINDjobsifwealreadyhavetoomuchpre-allocmemoryinflight
*/
ret = wait_event_interruptible(
vm->prealloc_throttle.wait,
atomic_read(&vm->prealloc_throttle.in_flight) <= 1024); if (ret) return ret;
/* Lock VM and objects: */
drm_exec_until_all_locked (exec) {
ret = drm_exec_lock_obj(exec, drm_gpuvm_resv_obj(job->vm));
drm_exec_retry_on_contention(exec); if (ret) return ret;
for (unsigned i = 0; i < job->nr_ops; i++) { conststruct msm_vm_bind_op *op = &job->ops[i];
switch (op->op) { case MSM_VM_BIND_OP_UNMAP:
ret = drm_gpuvm_sm_unmap_exec_lock(job->vm, exec,
op->iova,
op->obj_offset); break; case MSM_VM_BIND_OP_MAP: case MSM_VM_BIND_OP_MAP_NULL:
ret = drm_gpuvm_sm_map_exec_lock(job->vm, exec, 1,
op->iova, op->range,
op->obj, op->obj_offset); break; default: /* *lookup_op()shouldhavealreadythrownanerrorfor *invalidops
*/
WARN_ON("unreachable");
}
drm_exec_retry_on_contention(exec); if (ret) return ret;
}
}
/* *MaybewecouldallowjustUNMAPops?OTOHuserspaceshouldjust *immediatelyclosethedevicefileandallwillbetorndown.
*/ if (to_msm_vm(msm_context_vm(dev, ctx))->unusable) return UERR(EPIPE, dev, "context is unusable");
/* *Technically,youcannotcreateaVM_BINDsubmitqueueinthefirst *place,ifyouhaven'toptedintoVM_BINDcontext.Butitis *cleaner/lessconfusing,tocheckthiscasedirectly.
*/ if (!msm_context_is_vmbind(ctx)) return UERR(EINVAL, dev, "context does not support vmbind");
if (args->flags & ~MSM_VM_BIND_FLAGS) return UERR(EINVAL, dev, "invalid flags");
queue = msm_submitqueue_get(ctx, args->queue_id); if (!queue) return -ENOENT;
if (!(queue->flags & MSM_SUBMITQUEUE_VM_BIND)) {
ret = UERR(EINVAL, dev, "Invalid queue type"); goto out_post_unlock;
}
if (args->flags & MSM_VM_BIND_FENCE_FD_OUT) {
out_fence_fd = get_unused_fd_flags(O_CLOEXEC); if (out_fence_fd < 0) {
ret = out_fence_fd; goto out_post_unlock;
}
}
job = vm_bind_job_create(dev, file, queue, args->nr_ops); if (IS_ERR(job)) {
ret = PTR_ERR(job); goto out_post_unlock;
}
ret = mutex_lock_interruptible(&queue->lock); if (ret) goto out_post_unlock;
if (args->flags & MSM_VM_BIND_FENCE_FD_IN) { struct dma_fence *in_fence;
in_fence = sync_file_get_fence(args->fence_fd);
if (!in_fence) {
ret = UERR(EINVAL, dev, "invalid in-fence"); goto out_unlock;
}
ret = drm_sched_job_add_dependency(&job->base, in_fence); if (ret) goto out_unlock;
}
if (args->in_syncobjs > 0) {
syncobjs_to_reset = msm_syncobj_parse_deps(dev, &job->base,
file, args->in_syncobjs,
args->nr_in_syncobjs,
args->syncobj_stride); if (IS_ERR(syncobjs_to_reset)) {
ret = PTR_ERR(syncobjs_to_reset); goto out_unlock;
}
}
if (args->out_syncobjs > 0) {
post_deps = msm_syncobj_parse_post_deps(dev, file,
args->out_syncobjs,
args->nr_out_syncobjs,
args->syncobj_stride); if (IS_ERR(post_deps)) {
ret = PTR_ERR(post_deps); goto out_unlock;
}
}
ret = vm_bind_job_lookup_ops(job, args, file, &nr_bos); if (ret) goto out_unlock;
ret = vm_bind_prealloc_count(job); if (ret) goto out_unlock;
drm_exec_fini(&exec);
out_unlock:
mutex_unlock(&queue->lock);
out_post_unlock: if (ret) { if (out_fence_fd >= 0)
put_unused_fd(out_fence_fd); if (sync_file)
fput(sync_file->file);
} elseif (sync_file) {
fd_install(out_fence_fd, sync_file->file);
args->fence_fd = out_fence_fd;
}
if (!IS_ERR_OR_NULL(job)) { if (ret)
msm_vma_job_free(&job->base);
} else { /* *Ifthesubmithasn'tyettakenownershipofthequeue *thenweneedtodropthereferenceourself:
*/
msm_submitqueue_put(queue);
}
if (!IS_ERR_OR_NULL(post_deps)) { for (i = 0; i < args->nr_out_syncobjs; ++i) {
kfree(post_deps[i].chain);
drm_syncobj_put(post_deps[i].syncobj);
}
kfree(post_deps);
}
if (!IS_ERR_OR_NULL(syncobjs_to_reset)) { for (i = 0; i < args->nr_in_syncobjs; ++i) { if (syncobjs_to_reset[i])
drm_syncobj_put(syncobjs_to_reset[i]);
}
kfree(syncobjs_to_reset);
}
return ret;
}
Messung V0.5 in Prozent
¤ 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.0.103Bemerkung:
¤
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.