[PATCH v5 01/25] drm/gpuvm: Pass map arguments through a struct
Himal Prasad Ghimiray
himal.prasad.ghimiray at intel.com
Wed Jul 30 13:00:26 UTC 2025
From: Boris Brezillon <boris.brezillon at collabora.com>
We are about to pass more arguments to drm_gpuvm_sm_map[_ops_create](),
so, before we do that, let's pass arguments through a struct instead
of changing each call site every time a new optional argument is added.
v5
- Use drm_gpuva_op_map—same as drm_gpuvm_map_req (Danilo)
- Rebase changes for drm_gpuvm_sm_map_exec_lock()
- Fix kernel-docs
Cc: Danilo Krummrich <dakr at redhat.com>
Cc: Boris Brezillon <bbrezillon at kernel.org>
Cc: Caterina Shablia <caterina.shablia at collabora.com>
Cc: Rob Clark <robin.clark at oss.qualcomm.com>
Cc: Matthew Brost <matthew.brost at intel.com>
Cc: <dri-devel at lists.freedesktop.org>
Acked-by: Danilo Krummrich <dakr at kernel.org> (#v4)
Signed-off-by: Boris Brezillon <boris.brezillon at collabora.com>
Signed-off-by: Caterina Shablia <caterina.shablia at collabora.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
---
drivers/gpu/drm/drm_gpuvm.c | 106 ++++++++++---------------
drivers/gpu/drm/imagination/pvr_vm.c | 15 ++--
drivers/gpu/drm/msm/msm_gem_vma.c | 33 ++++++--
drivers/gpu/drm/nouveau/nouveau_uvmm.c | 11 ++-
drivers/gpu/drm/panthor/panthor_mmu.c | 13 ++-
drivers/gpu/drm/xe/xe_vm.c | 13 ++-
include/drm/drm_gpuvm.h | 10 +--
7 files changed, 112 insertions(+), 89 deletions(-)
diff --git a/drivers/gpu/drm/drm_gpuvm.c b/drivers/gpu/drm/drm_gpuvm.c
index bbc7fecb6f4a..f04d80a3a63b 100644
--- a/drivers/gpu/drm/drm_gpuvm.c
+++ b/drivers/gpu/drm/drm_gpuvm.c
@@ -486,13 +486,18 @@
* u64 addr, u64 range,
* struct drm_gem_object *obj, u64 offset)
* {
+ * struct drm_gpuva_op_map op_map = {
+ * .va.addr = addr,
+ * .va.range = range,
+ * .gem.obj = obj,
+ * .gem.offset = offset,
+ * };
* struct drm_gpuva_ops *ops;
* struct drm_gpuva_op *op
* struct drm_gpuvm_bo *vm_bo;
*
* driver_lock_va_space();
- * ops = drm_gpuvm_sm_map_ops_create(gpuvm, addr, range,
- * obj, offset);
+ * ops = drm_gpuvm_sm_map_ops_create(gpuvm, &op_map);
* if (IS_ERR(ops))
* return PTR_ERR(ops);
*
@@ -2054,16 +2059,15 @@ EXPORT_SYMBOL_GPL(drm_gpuva_unmap);
static int
op_map_cb(const struct drm_gpuvm_ops *fn, void *priv,
- u64 addr, u64 range,
- struct drm_gem_object *obj, u64 offset)
+ const struct drm_gpuva_op_map *req)
{
struct drm_gpuva_op op = {};
op.op = DRM_GPUVA_OP_MAP;
- op.map.va.addr = addr;
- op.map.va.range = range;
- op.map.gem.obj = obj;
- op.map.gem.offset = offset;
+ op.map.va.addr = req->va.addr;
+ op.map.va.range = req->va.range;
+ op.map.gem.obj = req->gem.obj;
+ op.map.gem.offset = req->gem.offset;
return fn->sm_step_map(&op, priv);
}
@@ -2102,17 +2106,16 @@ op_unmap_cb(const struct drm_gpuvm_ops *fn, void *priv,
static int
__drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm,
const struct drm_gpuvm_ops *ops, void *priv,
- u64 req_addr, u64 req_range,
- struct drm_gem_object *req_obj, u64 req_offset)
+ const struct drm_gpuva_op_map *req)
{
struct drm_gpuva *va, *next;
- u64 req_end = req_addr + req_range;
+ u64 req_end = req->va.addr + req->va.range;
int ret;
- if (unlikely(!drm_gpuvm_range_valid(gpuvm, req_addr, req_range)))
+ if (unlikely(!drm_gpuvm_range_valid(gpuvm, req->va.addr, req->va.range)))
return -EINVAL;
- drm_gpuvm_for_each_va_range_safe(va, next, gpuvm, req_addr, req_end) {
+ drm_gpuvm_for_each_va_range_safe(va, next, gpuvm, req->va.addr, req_end) {
struct drm_gem_object *obj = va->gem.obj;
u64 offset = va->gem.offset;
u64 addr = va->va.addr;
@@ -2120,9 +2123,9 @@ __drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm,
u64 end = addr + range;
bool merge = !!va->gem.obj;
- if (addr == req_addr) {
- merge &= obj == req_obj &&
- offset == req_offset;
+ if (addr == req->va.addr) {
+ merge &= obj == req->gem.obj &&
+ offset == req->gem.offset;
if (end == req_end) {
ret = op_unmap_cb(ops, priv, va, merge);
@@ -2141,9 +2144,9 @@ __drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm,
if (end > req_end) {
struct drm_gpuva_op_map n = {
.va.addr = req_end,
- .va.range = range - req_range,
+ .va.range = range - req->va.range,
.gem.obj = obj,
- .gem.offset = offset + req_range,
+ .gem.offset = offset + req->va.range,
};
struct drm_gpuva_op_unmap u = {
.va = va,
@@ -2155,8 +2158,8 @@ __drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm,
return ret;
break;
}
- } else if (addr < req_addr) {
- u64 ls_range = req_addr - addr;
+ } else if (addr < req->va.addr) {
+ u64 ls_range = req->va.addr - addr;
struct drm_gpuva_op_map p = {
.va.addr = addr,
.va.range = ls_range,
@@ -2165,8 +2168,8 @@ __drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm,
};
struct drm_gpuva_op_unmap u = { .va = va };
- merge &= obj == req_obj &&
- offset + ls_range == req_offset;
+ merge &= obj == req->gem.obj &&
+ offset + ls_range == req->gem.offset;
u.keep = merge;
if (end == req_end) {
@@ -2189,7 +2192,7 @@ __drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm,
.va.range = end - req_end,
.gem.obj = obj,
.gem.offset = offset + ls_range +
- req_range,
+ req->va.range,
};
ret = op_remap_cb(ops, priv, &p, &n, &u);
@@ -2197,10 +2200,10 @@ __drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm,
return ret;
break;
}
- } else if (addr > req_addr) {
- merge &= obj == req_obj &&
- offset == req_offset +
- (addr - req_addr);
+ } else if (addr > req->va.addr) {
+ merge &= obj == req->gem.obj &&
+ offset == req->gem.offset +
+ (addr - req->va.addr);
if (end == req_end) {
ret = op_unmap_cb(ops, priv, va, merge);
@@ -2236,9 +2239,7 @@ __drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm,
}
}
- return op_map_cb(ops, priv,
- req_addr, req_range,
- req_obj, req_offset);
+ return op_map_cb(ops, priv, req);
}
static int
@@ -2303,10 +2304,7 @@ __drm_gpuvm_sm_unmap(struct drm_gpuvm *gpuvm,
* drm_gpuvm_sm_map() - calls the &drm_gpuva_op split/merge steps
* @gpuvm: the &drm_gpuvm representing the GPU VA space
* @priv: pointer to a driver private data structure
- * @req_addr: the start address of the new mapping
- * @req_range: the range of the new mapping
- * @req_obj: the &drm_gem_object to map
- * @req_offset: the offset within the &drm_gem_object
+ * @req: ptr to drm_gpuva_op_map struct
*
* This function iterates the given range of the GPU VA space. It utilizes the
* &drm_gpuvm_ops to call back into the driver providing the split and merge
@@ -2333,8 +2331,7 @@ __drm_gpuvm_sm_unmap(struct drm_gpuvm *gpuvm,
*/
int
drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm, void *priv,
- u64 req_addr, u64 req_range,
- struct drm_gem_object *req_obj, u64 req_offset)
+ const struct drm_gpuva_op_map *req)
{
const struct drm_gpuvm_ops *ops = gpuvm->ops;
@@ -2343,9 +2340,7 @@ drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm, void *priv,
ops->sm_step_unmap)))
return -EINVAL;
- return __drm_gpuvm_sm_map(gpuvm, ops, priv,
- req_addr, req_range,
- req_obj, req_offset);
+ return __drm_gpuvm_sm_map(gpuvm, ops, priv, req);
}
EXPORT_SYMBOL_GPL(drm_gpuvm_sm_map);
@@ -2421,10 +2416,7 @@ static const struct drm_gpuvm_ops lock_ops = {
* @gpuvm: the &drm_gpuvm representing the GPU VA space
* @exec: the &drm_exec locking context
* @num_fences: for newly mapped objects, the # of fences to reserve
- * @req_addr: the start address of the range to unmap
- * @req_range: the range of the mappings to unmap
- * @req_obj: the &drm_gem_object to map
- * @req_offset: the offset within the &drm_gem_object
+ * @op: ptr to drm_gpuva_op_map struct
*
* This function locks (drm_exec_lock_obj()) objects that will be unmapped/
* remapped, and locks+prepares (drm_exec_prepare_object()) objects that
@@ -2442,12 +2434,10 @@ static const struct drm_gpuvm_ops lock_ops = {
* for_each_vm_bind_operation {
* switch (op->op) {
* case DRIVER_OP_UNMAP:
- * ret = drm_gpuvm_sm_unmap_exec_lock(gpuvm, &exec, op->addr, op->range);
+ * ret = drm_gpuvm_sm_unmap_exec_lock(gpuvm, &exec, op->va.addr, op->va.range);
* break;
* case DRIVER_OP_MAP:
- * ret = drm_gpuvm_sm_map_exec_lock(gpuvm, &exec, num_fences,
- * op->addr, op->range,
- * obj, op->obj_offset);
+ * ret = drm_gpuvm_sm_map_exec_lock(gpuvm, &exec, num_fences, op);
* break;
* }
*
@@ -2478,18 +2468,16 @@ static const struct drm_gpuvm_ops lock_ops = {
int
drm_gpuvm_sm_map_exec_lock(struct drm_gpuvm *gpuvm,
struct drm_exec *exec, unsigned int num_fences,
- u64 req_addr, u64 req_range,
- struct drm_gem_object *req_obj, u64 req_offset)
+ struct drm_gpuva_op_map *req)
{
- if (req_obj) {
- int ret = drm_exec_prepare_obj(exec, req_obj, num_fences);
+ if (req->gem.obj) {
+ int ret = drm_exec_prepare_obj(exec, req->gem.obj, num_fences);
if (ret)
return ret;
}
return __drm_gpuvm_sm_map(gpuvm, &lock_ops, exec,
- req_addr, req_range,
- req_obj, req_offset);
+ req);
}
EXPORT_SYMBOL_GPL(drm_gpuvm_sm_map_exec_lock);
@@ -2611,10 +2599,7 @@ static const struct drm_gpuvm_ops gpuvm_list_ops = {
/**
* drm_gpuvm_sm_map_ops_create() - creates the &drm_gpuva_ops to split and merge
* @gpuvm: the &drm_gpuvm representing the GPU VA space
- * @req_addr: the start address of the new mapping
- * @req_range: the range of the new mapping
- * @req_obj: the &drm_gem_object to map
- * @req_offset: the offset within the &drm_gem_object
+ * @req: ptr to drm_gpuva_op_map struct
*
* This function creates a list of operations to perform splitting and merging
* of existent mapping(s) with the newly requested one.
@@ -2642,8 +2627,7 @@ static const struct drm_gpuvm_ops gpuvm_list_ops = {
*/
struct drm_gpuva_ops *
drm_gpuvm_sm_map_ops_create(struct drm_gpuvm *gpuvm,
- u64 req_addr, u64 req_range,
- struct drm_gem_object *req_obj, u64 req_offset)
+ const struct drm_gpuva_op_map *req)
{
struct drm_gpuva_ops *ops;
struct {
@@ -2661,9 +2645,7 @@ drm_gpuvm_sm_map_ops_create(struct drm_gpuvm *gpuvm,
args.vm = gpuvm;
args.ops = ops;
- ret = __drm_gpuvm_sm_map(gpuvm, &gpuvm_list_ops, &args,
- req_addr, req_range,
- req_obj, req_offset);
+ ret = __drm_gpuvm_sm_map(gpuvm, &gpuvm_list_ops, &args, req);
if (ret)
goto err_free_ops;
diff --git a/drivers/gpu/drm/imagination/pvr_vm.c b/drivers/gpu/drm/imagination/pvr_vm.c
index 2896fa7501b1..57116709de81 100644
--- a/drivers/gpu/drm/imagination/pvr_vm.c
+++ b/drivers/gpu/drm/imagination/pvr_vm.c
@@ -185,12 +185,17 @@ struct pvr_vm_bind_op {
static int pvr_vm_bind_op_exec(struct pvr_vm_bind_op *bind_op)
{
switch (bind_op->type) {
- case PVR_VM_BIND_TYPE_MAP:
+ case PVR_VM_BIND_TYPE_MAP: {
+ const struct drm_gpuva_op_map map_req = {
+ .va.addr = bind_op->device_addr,
+ .va.range = bind_op->size,
+ .gem.obj = gem_from_pvr_gem(bind_op->pvr_obj),
+ .gem.offset = bind_op->offset,
+ };
+
return drm_gpuvm_sm_map(&bind_op->vm_ctx->gpuvm_mgr,
- bind_op, bind_op->device_addr,
- bind_op->size,
- gem_from_pvr_gem(bind_op->pvr_obj),
- bind_op->offset);
+ bind_op, &map_req);
+ }
case PVR_VM_BIND_TYPE_UNMAP:
return drm_gpuvm_sm_unmap(&bind_op->vm_ctx->gpuvm_mgr,
diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c
index 3cd8562a5109..59a9b41bc967 100644
--- a/drivers/gpu/drm/msm/msm_gem_vma.c
+++ b/drivers/gpu/drm/msm/msm_gem_vma.c
@@ -371,6 +371,12 @@ struct drm_gpuva *
msm_gem_vma_new(struct drm_gpuvm *gpuvm, struct drm_gem_object *obj,
u64 offset, u64 range_start, u64 range_end)
{
+ struct drm_gpuva_op_map op_map = {
+ .va.addr = range_start,
+ .va.range = range_end - range_start,
+ .gem.obj = obj,
+ .gem.offset = offset,
+ };
struct msm_gem_vm *vm = to_msm_vm(gpuvm);
struct drm_gpuvm_bo *vm_bo;
struct msm_gem_vma *vma;
@@ -399,7 +405,7 @@ msm_gem_vma_new(struct drm_gpuvm *gpuvm, struct drm_gem_object *obj,
if (obj)
GEM_WARN_ON((range_end - range_start) > obj->size);
- drm_gpuva_init(&vma->base, range_start, range_end - range_start, obj, offset);
+ drm_gpuva_init_from_op(&vma->base, &op_map);
vma->mapped = false;
ret = drm_gpuva_insert(&vm->base, &vma->base);
@@ -1172,10 +1178,17 @@ vm_bind_job_lock_objects(struct msm_vm_bind_job *job, struct drm_exec *exec)
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);
+ {
+ struct drm_gpuva_op_map map_req = {
+ .va.addr = op->iova,
+ .va.range = op->range,
+ .gem.obj = op->obj,
+ .gem.offset = op->obj_offset,
+ };
+
+ ret = drm_gpuvm_sm_map_exec_lock(job->vm, exec, 1, &map_req);
break;
+ }
default:
/*
* lookup_op() should have already thrown an error for
@@ -1283,9 +1296,17 @@ vm_bind_job_prepare(struct msm_vm_bind_job *job)
arg.flags |= MSM_VMA_DUMP;
fallthrough;
case MSM_VM_BIND_OP_MAP_NULL:
- ret = drm_gpuvm_sm_map(job->vm, &arg, op->iova,
- op->range, op->obj, op->obj_offset);
+ {
+ struct drm_gpuva_op_map map_req = {
+ .va.addr = op->iova,
+ .va.range = op->range,
+ .gem.obj = op->obj,
+ .gem.offset = op->obj_offset,
+ };
+
+ ret = drm_gpuvm_sm_map(job->vm, &arg, &map_req);
break;
+ }
default:
/*
* lookup_op() should have already thrown an error for
diff --git a/drivers/gpu/drm/nouveau/nouveau_uvmm.c b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
index ddfc46bc1b3e..b74054b0a476 100644
--- a/drivers/gpu/drm/nouveau/nouveau_uvmm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
@@ -1276,6 +1276,12 @@ nouveau_uvmm_bind_job_submit(struct nouveau_job *job,
break;
case OP_MAP: {
struct nouveau_uvma_region *reg;
+ struct drm_gpuva_op_map map_req = {
+ .va.addr = op->va.addr,
+ .va.range = op->va.range,
+ .gem.obj = op->gem.obj,
+ .gem.offset = op->gem.offset,
+ };
reg = nouveau_uvma_region_find_first(uvmm,
op->va.addr,
@@ -1301,10 +1307,7 @@ nouveau_uvmm_bind_job_submit(struct nouveau_job *job,
}
op->ops = drm_gpuvm_sm_map_ops_create(&uvmm->base,
- op->va.addr,
- op->va.range,
- op->gem.obj,
- op->gem.offset);
+ &map_req);
if (IS_ERR(op->ops)) {
ret = PTR_ERR(op->ops);
goto unwind_continue;
diff --git a/drivers/gpu/drm/panthor/panthor_mmu.c b/drivers/gpu/drm/panthor/panthor_mmu.c
index 4140f697ba5a..5fd4245a57b9 100644
--- a/drivers/gpu/drm/panthor/panthor_mmu.c
+++ b/drivers/gpu/drm/panthor/panthor_mmu.c
@@ -2169,15 +2169,22 @@ panthor_vm_exec_op(struct panthor_vm *vm, struct panthor_vm_op_ctx *op,
mutex_lock(&vm->op_lock);
vm->op_ctx = op;
switch (op_type) {
- case DRM_PANTHOR_VM_BIND_OP_TYPE_MAP:
+ case DRM_PANTHOR_VM_BIND_OP_TYPE_MAP: {
+ const struct drm_gpuva_op_map map_req = {
+ .va.addr = op->va.addr,
+ .va.range = op->va.range,
+ .gem.obj = op->map.vm_bo->obj,
+ .gem.offset = op->map.bo_offset,
+ };
+
if (vm->unusable) {
ret = -EINVAL;
break;
}
- ret = drm_gpuvm_sm_map(&vm->base, vm, op->va.addr, op->va.range,
- op->map.vm_bo->obj, op->map.bo_offset);
+ ret = drm_gpuvm_sm_map(&vm->base, vm, &map_req);
break;
+ }
case DRM_PANTHOR_VM_BIND_OP_TYPE_UNMAP:
ret = drm_gpuvm_sm_unmap(&vm->base, vm, op->va.addr, op->va.range);
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index 432ea325677d..4b3e78745363 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -2316,10 +2316,17 @@ vm_bind_ioctl_ops_create(struct xe_vm *vm, struct xe_vma_ops *vops,
switch (operation) {
case DRM_XE_VM_BIND_OP_MAP:
- case DRM_XE_VM_BIND_OP_MAP_USERPTR:
- ops = drm_gpuvm_sm_map_ops_create(&vm->gpuvm, addr, range,
- obj, bo_offset_or_userptr);
+ case DRM_XE_VM_BIND_OP_MAP_USERPTR: {
+ struct drm_gpuva_op_map map_req = {
+ .va.addr = addr,
+ .va.range = range,
+ .gem.obj = obj,
+ .gem.offset = bo_offset_or_userptr,
+ };
+
+ ops = drm_gpuvm_sm_map_ops_create(&vm->gpuvm, &map_req);
break;
+ }
case DRM_XE_VM_BIND_OP_UNMAP:
ops = drm_gpuvm_sm_unmap_ops_create(&vm->gpuvm, addr, range);
break;
diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h
index 274532facfd6..892ffe75a62f 100644
--- a/include/drm/drm_gpuvm.h
+++ b/include/drm/drm_gpuvm.h
@@ -1060,8 +1060,8 @@ struct drm_gpuva_ops {
struct drm_gpuva_ops *
drm_gpuvm_sm_map_ops_create(struct drm_gpuvm *gpuvm,
- u64 addr, u64 range,
- struct drm_gem_object *obj, u64 offset);
+ const struct drm_gpuva_op_map *req);
+
struct drm_gpuva_ops *
drm_gpuvm_sm_unmap_ops_create(struct drm_gpuvm *gpuvm,
u64 addr, u64 range);
@@ -1205,16 +1205,14 @@ struct drm_gpuvm_ops {
};
int drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm, void *priv,
- u64 addr, u64 range,
- struct drm_gem_object *obj, u64 offset);
+ const struct drm_gpuva_op_map *req);
int drm_gpuvm_sm_unmap(struct drm_gpuvm *gpuvm, void *priv,
u64 addr, u64 range);
int drm_gpuvm_sm_map_exec_lock(struct drm_gpuvm *gpuvm,
struct drm_exec *exec, unsigned int num_fences,
- u64 req_addr, u64 req_range,
- struct drm_gem_object *obj, u64 offset);
+ struct drm_gpuva_op_map *req);
int drm_gpuvm_sm_unmap_exec_lock(struct drm_gpuvm *gpuvm, struct drm_exec *exec,
u64 req_addr, u64 req_range);
--
2.34.1
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