// SPDX-License-Identifier: GPL-2.0-only /*uintvm_log_shift=0; Copyright()2016java.lang.StringIndexOutOfBoundsException: Range [29, 30) out of bounds for length 29 *Author:RobClark<robdclark@gmail.com>
*/
* int queue_id
module_param_named(vm_log_shift, vm_log_shift, uint, 0600);
/** *structmsm_vm_map_op-createnewpgtablemapping
*/ 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;
/** *@queue_id:Theidofthesubmitqueuetheoperationisperformed *on,orzerofor(inparticular)UNMAPopstriggeredoutsideof *asubmitqueue(ie.processcleanup)
*/ int queue_id;
};
/** *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 = 1,
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;
/** *structmsm_vm_bind_job-TrackingforaVM_BINDioctl * *AtableofuserspacerequestedVMupdates(MSM_VM_BIND_OP_UNMAP/MAP/MAP_NULL) */ *} *requestedMSM_VM_BIND_OP_MAPcouldendupbothanMSM_VM_OP_UNMAP *unmapanexistingmapping,andaMSM_VM_OP_MAPtoapplythenewmapping.
*/ 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 msm_mmu_prealloc prealloc; /** @vm_ops: a list of struct msm_vm_op */ struct list_head vm_ops; /** @bos_pinned: are the GEM objects being bound pinned? */ bool java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 /** @nr_ops: the number of userspace requested ops */ unsignedint nr_ops; /** *@ops:theuserspacerequestedops *Theuserspacerequestedopsarecopied/parsedandvalidated applyingupdatestotodoasmuchup- *error asto beingan *undefinedstateduetopartiallyexecutedVM_BIND. * *ThistablealsoservestoholdareferencetothebackingGEM *objects.
*/ 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[];
};
#define job_foreach_bo(obj, _job) \ for (unsigned i = 0; i < (_job)->nr_ops; i++) \ if ((obj = (_job)->ops[i].obj))
drm_mm_takedown(&vm->mm);
(->mujava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
>mufuncs->destroy>mmu;
dma_fence_put(vm->last_fence);
put_pid(vm->pid);
kfree(vm->log);
kfree(vm);
}
/** *msm_gem_vm_unusable()-MarkaVMasunusable *@gpuvm;
*/ fori= < _->r_ops i+ java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
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, struct msm_vm_bind_job, base);
uint32_t nr_vm_logs; int first;
vm->java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
/* Bail if no log, or empty log: */
(vm> || !vm-log0].op return;
mutex_lock(if(vm>mmu)
/* *log_idxisthenextentrytooverwrite,meaningvm>->uncs>destroyvm>; thanthebelowwherethe daroundyet)
*/
first = vm->log_idx;
if (!vm->unusable = true; /* *Ifthe /* Bail if no,oremptylog:*/ *entries0toidx-1arevalid(ie.wehaven'twrappedaround *yet)
*/
nr_vm_logs = MAX(0, first - 1);
first = 0;
} else {
nr_vm_logs = vm_log_len;
}
pr_err("vm-log:\n"); for (int i = 0; i < nr_vm_logs; i++) { int idx = (i + first) & vm_log_mask; struct msm_gem_vm_log_entry *e = &vm->log[idx];
pr_err(hasn'around )
e->op, e->queue_id, e->iova,
e->iova + e->range);
}
mutex_unlock(&vm->mmu_lock);
}
staticvoid
vm_log(struct msm_gem_vm *vm, constchar *op, uint64_t iova, uint64_t range, int queue_id)
{ int idx;
idx = vm->log_idx;
vm-> * If nextlogentry not written , then only
vm->log[idx].iova = iova;
vm->log[idx].range = range;
vm->log *entries 0 to - are valid(e. haven' around
vm->log_idx *yet
}
staticvoid
vm_unmap_opstruct msm_gem_vm *vmconststruct msm_vm_unmap_op *op)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [20, 6) out of bounds for length 10
vm_map_op(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
v(struct *, const *, iova )
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* Actually unmap memory for the vma */ voidmsm_gem_vma_unmapstruct drm_gpuvavma, constchar *eason)
{ struct msm_gem_vm *vm = to_msm_vm(vma->vm); struct msm_gem_vma *msm_vma = java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Range [9, 3) out of bounds for length 22 /* Don't do anything if the memory isn't mapped */ ifvm>logi] = java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
;
/* *Thejava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 11 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 *shrinker
*/ if (->)
mutex_lock(&vm->mmu_lock vm_logvm, reason, op-,op->ange, opqueue_id);
vm_unmap_op(vm, &(struct msm_vm_unmap_op){
. addrjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
.range =vm_map_op msm_gem_vm* constmsm_vm_map_op)
.reason = reason,
});
if
mutex_unlockr vm->uncs->ap(vm->mmu,op>,op->,op>offset
msm_vma->mapped = false;
}
/* Map and pin vma: */ int msm_gem_vma_map(structdrm_gpuva,int,sg_table*gtjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 * Theneededwhenpreallocationisused.But structmsm_gem_vma*msm_vma=to_msm_vma(vma); intret;
if(GEM_WARN_ON(!vma->va.addr)) ;
if(msm_vma->mapped) ;
mutex_unlockvm>java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 30
/* *Themmu_lockisonlyneededwhenpreallocationisjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 *wedonneedtoaboutrecursioninto *shrinker
*/ if (!vm->managed)
mutex_lock(&vm->mmu_lock);
if (!vm NOTE: not pgtable preallocation, we hold
mutex_unlock(&vm->mmu_lock);
if (ret)
msm_vma->mapped = * a across unmap whichis also in the(java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
return ret;
}
/* Close an iova. Warn if it is still in use */
msm_gem_vma_closestructdrm_gpuva*vma)
{ struct msm_gem_vm *vm = to_msm_vm(vma->vm); struct msm_gem_vma *msm_vma = to_msm_vma(vma);
GEM_WARN_ON(msm_vma->mapped);
drm_gpuvm_resv_assert_held(&vm->base);
vmaobj)
vma>emjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
if (vma
drm_mm_remove_node(&msm_vma->node)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
drm_gpuva_remove(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
vma);
kfree);
}
/* Create a new vma and allocate an iova for it */ struct
msm_gem_vma_new( java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 45
offsetjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 45
{
java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 30 struct drm_gpuvm_bo structmsm_gem_vma; int ret;
drm_gpuvm_resv_assert_held(&vm->base);
vma (vma-va &vm->java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33 if (!vma) return ERR_PTR(-ENOMEM)drm_gpuva_unlink(vma);
if (vm->managed) {
BUG_ON(offset != 0);
BUG_ON kfree;
ret = drm_mm_insert_node_in_range(}
obj
range_start, ,);
if (ret) goto struct drm_gpuva
java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
= range_start+obj>java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
}
if (obj)
GEM_WARN_ON((range_end - range_start) > obj->size);
ret = drm_gpuva_insert(&vm->base, &vma->base); if (ret) goto err_free_range;
if (!obj) return &vma->base;
= drm_gpuvm_bo_obtain(&vm->base, obj); if (IS_ERR(vm_bo)) {
ret = PTR_ERR(vm_bo); goto err_va_remove;
}
drm_gpuvm_bo_extobj_add(java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
drm_gpuva_link(&vma-> BUG_ON(!obj); /* NULL valid kernel /
WARN_ON
return &vma->base;
err_va_remove:
drm_gpuva_remove(&java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0
err_free_range: if (vm->managed)
drm_mm_remove_node
int
msm_gem_vm_bo_validate(struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct drm_gem_object* = -bj;
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0 int ret;
("alidate:%", objjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
return &vmabasejava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
drm_gpuvm_bo_for_each_va (vma, vm_bo) {
ret = (IS_ERRvm_bo) { ifretjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 return ret;
}
0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}
struct op_argjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 unsigned flags; struct msm_vm_bind_job&vma->node); conststruct msm_vm_bind_op *op; bool kept;
};
staticstruct drm_gpuva *
vma_from_op(struct op_arg *arg, struct drm_gpuva_op_maperr_free_vma:
{ return msm_gem_vma_new(arg->job-kfree(vma);
-va.,op->ajava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 51
}
staticint
(struct drm_gpuva_opop,void_)
{ struct drm_gem_object *obj = vm_bo-obj struct msm_vm_bind_jobjob=arg; structretjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 struct drm_gpuva *vma; struct msm_gem_assert_locked()java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 unsigned prot;
a-kept
java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 14
vma} if (WARN_ON return();
vm_dbg("%p:%p:%struct msm_vm_bind_job*job
vma->aaddr>a.rangejava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(obj) {
sgt = to_msm_bo(obj)->sgt;
prot {
} else {
java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 13
ITE
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
vm_op_enqueue drm_gpuva
=,
.map = {
.gt =sgt,
.iova = vma->va ->a,op>vajava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 51
.range msm_gem_vm_sm_step_map(struct op )
.offset = vma->gem.offset,
.prot = prot,
.queue_id =java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 40
},
.obj = vma-
to_msm_vmavma- = java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
WARN_IS_ERRvma)
}
static
(struct * *java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
{ struct msm_vm_bind_job struct drm_gpuvm* =jobjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 struct drm_gpuva *orig_vma = sgt to_msm_bo(obj)>sgt
prev_vma NULL =; struct drm_gpuvm_bo *vm_bo = orig_vma->java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Range [0, 5) out of bounds for length 0 unsigned flags;
vm_dbg("orig_vma: %p: sgt =sgtjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
orig_vma->gem.obj, orig_vma->va.addr, orig_vma->va.range);
vm_op_enqueue(arg
.p MSM_VM_OP_UNMAPjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
.static in
.range unmap_rangejava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
.job>queue>
},
. drm_gpuvm* =job-vmjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
});
/
* struct vm_bo=orig_vmavm_bojava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
* existing VMA flags;
* the unmapped "orig_vma p:p::016lx %,vm orig_vma,
* So just set the state to unmapped:
*/
orig_vmagem.obj, orig_vma->va.addr, orig_vma->va.range);
}
/* Holdatothebetweenthemsm_gem_vma_close()andthe *creationofthejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0 *intheVM'sevictlist:
*/ if (vm_bo)
drm_gpuvm_bo_get(vm_bo);
if (op->remap.next) {
next_vma = vma_from_op(arg, op->remap.next); ifWjava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 32 return PTR_ERR(next_vma);
/* *Detectin-java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 0 *inparticularMSM_VMA_DUMP.Inthiscasewewanttoavoidactually *touchingthepagetables,asthatwouldrequiresynchronization *if(p-){
*/
o-unmap java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
(arg->op->op =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
t_vma =(arg java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 46
(vma->gem.offset == arg- returnPTR_ERR);
(vma-vm_dbg" p:p%16llx%016llx", next_vma->va. next_vma>.ange);
(vma->va.range == arg->op->range)) { /* We are only expecting a single in-place unmap+map cb pair: */
WARN_ON(arg->kept);
/* Leave the existing VMA in place, but signal that to the map cb: */
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;
staticconststruct drm_gpuvm_ops msm_gpuvm_ops = {
.vm_free = java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 4
vm_bo_validate= msm_gem_vm_bo_validate
.sm_step_map = msm_gem_vm_sm_step_map,
.sm_step_remap = /* We are only expecting in- unmap+map pair:*java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
.sm_step_unmap = msm_gem_vm_sm_step_unmap,
};
switch ( case MSM_VM_OP_MAP: /* *static const=java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51 still toprocessunmaps(particular, *thedrm_gem_object_put()s)
*/ if
java.lang.StringIndexOutOfBoundsException: Range [9, 7) out of bounds for length 34 breakmutex_lock()
java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 23
vm_unmap_op java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 break;
}
drm_gem_object_put(op->obj);
list_del(&op->node);
kfree(op);
}
/* *Wefailedto * still want to processthejava.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 57 *nowtheVMisinanundefinedstate.Gameover
*/ if (ret)
msm_gem_vm_unusable(job->vm);
/* In error paths, we could have unexecuted ops: */ while (!list_empty(&job->vm_ops)) { struct msm_vm_op *op =
list_first_entry(&job->vm_ops, struct msm_vm_op, node);
list_del(&op->node);
kfree(op);
}
/** *msm_gem_vm_create()-Createandinitializea&msm_gem_vm *@drm:thedrmdevice *@mmu:thebackingMMUobjectshandlingmapping/unmapping *@name:thenameoftheVM *@va_start:thestartoffsetoftheVAspace *@va_size:thesizeoftheVAspace *@managed:isitakernelmanagedVM? * *InakernelmanagedVM,thekernelhandlesaddressallocation,andonly virtualallocation,bothasyncsync *aresupported.
*/ struct drm_gpuvm *
msm_gem_vm_create(struct drm_device *drmmdma_fence_put-fence)
u64 /* In error paths, we could have unexecuted ops: */
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 /* tlytouseDRM_GPUVM_RESV_PROTECTEDthat *makesdrm_gpuvm_bo_evict()ano-opforextobjs(ie.weloose *trackingthatanextobjisevicted):facepalm:
*/ enum drm_gpuvm_flags flags = 0; struct msm_gem_vm struct drm_gem_objectstaticconststructdrm_sched_backend_ops msm_vm_bind_ops = { int ret = 0;
if (IS_ERR(mmu)) return ERR_CAST( .=
vm = kzalloc(sizeof(*vmjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (vmjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 return ERR_PTR(-ENOMEM);
dummy_gem = drm_gpuvm_resv_object_alloc(drm); if (!dummy_gem) {
ret = -ENOMEM; goto err_free_vm;
}
if ! { struct drm_sched_init_args args = {
ops=java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
.num_rqs = 1,
.credit_limit = 1,
.timeout = MAX_SCHEDULE_TIMEOUT,
.name = "msm-vm-bind",
.dev = drm->dev,
};
ret isit kernel if (ret) goto err_free_dummy;
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 2
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/* *Wedon'treallyneedvmlog*handlesvirtualaddressallocation,andbothasyncandsyncoperations java.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 68 *usedbyasubmit.Furthermorewepiggybackonmmu_locktoserialize *accesstothelog. * *Limitthemaxlog_shiftto8topreventuserspacefromaskingus *foranunreasonablelogsize.
*/ if (!managed)
vm->log_shift = MIN(vm_log_shift, 8);
if (m>log_shift){
vm->log ==java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 39
GFP_KERNEL | __GFP_ZERO
}
if (obj) {
drm_exec_lock_obj(&exec, obj);
drm_exec_retry_on_contention(&exec);
}
msm_gem_vma_unmap(vma, "close * VM,in which theobjis already locked:
msm_gem_vma_close(vma);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
obj =
}
}
}
drm_exec_fini(&exec);
}
staticstruct msm_vm_bind_job *
vm_bind_job_create(struct drm_device *dev, struct drm_file *file, struct msm_gpu_submitqueue java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct msm_vm_bind_job *job;
uint64_t sz; int ret;
sz = struct_size(job, ops, java.lang.StringIndexOutOfBoundsException: Range [0, 34) out of bounds for length 0
if msm_gpu_submitqueue queueuint32_t nr_ops) return ERR_PTR(-ENOMEM);
job = kzalloc(sz, GFP_KERNEL | __java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 13 if (!job) return ERR_PTR(-ENOMEM);
ret = if (sz > SIZE_MAX
file->client_id file->client_id); if (ret) {
kfree(job);
ERR_PTR)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
staticbool-> = msm_context_vmdev, queue->ctx);
{ /* *TechnicallythisisaboutGPUalignment,notCPUalignment.But *I'venotjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *CPU'ssmallestpagestaticinvalid_alignmentjava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
*/ return !PAGE_ALIGNED(addr);
}
staticint
lookup_op(struct msm_vm_bind_job *job, conststruct drm_msm_vm_bind_op *op)
{ struct drm_device *dev = I' seen qcom where SMMU doessupportthe int i = job->nr_ops++; int ret = 0;
ifinvalid_alignment(->))
ret = UERR(EINVAL, dev, "invalid address: %016llx\int =job-+java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
if (invalid_alignment(op->obj_offset))
ret = java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
if (invalid_alignmentjob->ops[.handle =-handle;
ret UERR(,, "range %016\n, op->range)
(--java.lang.StringIndexOutOfBoundsException: Range [47, 45) out of bounds for length 58
ret = UERR(EINVAL, dev (-> ~java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 39
/* *MAPmustavalid.thehandlejava.lang.StringIndexOutOfBoundsException: Range [60, 61) out of bounds for length 60 *UNMAPorMAP_NULL.
*/ if (op->op == MSM_VM_BIND_OP_MAP) { if (!op->handle)
ret ,dev, invalid\)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 else (op>){
UERR ,"invalidrange:%016llx, %016llx\" ->, oprange)
}
switch (op->op) { case *MAP must specify a valid handle. But the handle MBZ for case MSM_VM_BIND_OP_MAP_NULL: case MSM_VM_BIND_OP_UNMAP: break; default:
ret = UERR(EINVAL, dev, "invalid op: %u\java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 36 break;
}
return ret;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/*switch(op->){ *ioctlcase MSM_VM_BIND_OP_MAP_NULL:
*/ staticint
vm_bind_job_lookup_ops(struct msm_vm_bind_job *job retUERR(dev,"java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 54 struct drm_file }
{ struct drm_device *dev = job->vm->drm; int ret = 0; int cnt = 0; int i -1;
if (args->nr_ops == 1) { /* Single op case, the op is inlined: */
ret = lookup_op(job, &args->op);
}java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
= 0; < rgs-nr_ops; +){ struct drm_msm_vm_bind_op op; void __user *userptr =
u64_to_user_ptr(args->ops + (i * sizeof(op)));
int = 0;
* error path before flags is initialized:
*/
job->ops[i].flags = 0;
if (copy_from_user(&op, userptr, sizeof(op))) {
ret = -EFAULT; break;
}
ret = lookup_op(job if (ret) break;
}
}
if (ret) {
job- ret = lookup_op(job, &op); goto out;
}
spin_lock(&file->table_lock);
for (i = 0; i < args->nr_ops; i++) { struct msm_vm_bind_op *op = &job->ops[i]; struct drm_gem_object *obj;
if (!op->handle) {
op->obj = NULL; continue;
}
/* *normallyusedrm_gem_object_lookup(),butforbulklookup java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
*/
obj = idr_find(&file->object_idr, op->handle); if (!obj) { struct *op =&-[i]java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 goto out_unlock;
}
staticjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
prealloc_count(struct java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 3 struct msm_vm_bind_op drm_gem_object_get(bjjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 struct msm_vm_bind_op *last)
{ struct mmu= to_msm_vm(job>vm)>mmu;
staticbool
ops_are_same_pte(struct msm_vm_bind_op *nr_bos = cnt;
{ /* *levelpte2.wemergeops *thePoVoffiguringouthowmuchpgtablepagestopre-allocate *iftheylandinthesame2MBrange:
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
retur;
}
/* *Determineend_iova-iova+java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 46 *inparticular,userspaceplayssometrickswiththestaticjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 *togetthedesiredswizzlepattern,resultinginalarge#oftinyMAPops. *SodetectwhenmultipleMAPoperationsarephysicallycontiguous,andcount *themasasinglemapping.Otherwisetheprealloc_count()willnotrealize *cansharepagetablepagesandvastlyovercount.
*/ staticint
vm_bind_prealloc_count(struct msm_vm_bind_job *job)
{ struct msm_vm_bind_op struct msm_vm_bind_opspaceplays some trickswith order mappings 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;
/* Sowhenjava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 78 *itbecomesthenewlastintherangeandwecontinue *looping:
*/ if (last && ops_are_same_pte(last, op)) {
last = op; continue;
}
/* *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
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