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accel/qaic: Deprecate ->size field from attach slice IOCTL structure

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->size in struct qaic_attach_slice_hdr is redundant since we have BO handle
and its size can be retrieved from base BO structure.

Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231208163457.1295993-2-quic_jhugo@quicinc.com
This commit is contained in:
Pranjal Ramajor Asha Kanojiya 2023-12-08 09:34:51 -07:00 committed by Jeffrey Hugo
parent 216d86b9a4
commit 0808aef86d
2 changed files with 5 additions and 25 deletions
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17
drivers/accel/qaic/qaic_data.c
View file

@ -830,9 +830,6 @@ static int qaic_prepare_import_bo(struct qaic_bo *bo, struct qaic_attach_slice_h
struct sg_table *sgt;
int ret;
if (obj->import_attach->dmabuf->size < hdr->size)
return -EINVAL;
sgt = dma_buf_map_attachment(obj->import_attach, hdr->dir);
if (IS_ERR(sgt)) {
ret = PTR_ERR(sgt);
@ -849,9 +846,6 @@ static int qaic_prepare_export_bo(struct qaic_device *qdev, struct qaic_bo *bo,
{
int ret;
if (bo->base.size < hdr->size)
return -EINVAL;
ret = dma_map_sgtable(&qdev->pdev->dev, bo->sgt, hdr->dir, 0);
if (ret)
return -EFAULT;
@ -952,9 +946,6 @@ int qaic_attach_slice_bo_ioctl(struct drm_device *dev, void *data, struct drm_fi
if (arg_size / args->hdr.count != sizeof(*slice_ent))
return -EINVAL;
if (args->hdr.size == 0)
return -EINVAL;
if (!(args->hdr.dir == DMA_TO_DEVICE || args->hdr.dir == DMA_FROM_DEVICE))
return -EINVAL;
@ -994,16 +985,16 @@ int qaic_attach_slice_bo_ioctl(struct drm_device *dev, void *data, struct drm_fi
goto free_slice_ent;
}
ret = qaic_validate_req(qdev, slice_ent, args->hdr.count, args->hdr.size);
if (ret)
goto free_slice_ent;
obj = drm_gem_object_lookup(file_priv, args->hdr.handle);
if (!obj) {
ret = -ENOENT;
goto free_slice_ent;
}
ret = qaic_validate_req(qdev, slice_ent, args->hdr.count, obj->size);
if (ret)
goto put_bo;
bo = to_qaic_bo(obj);
ret = mutex_lock_interruptible(&bo->lock);
if (ret)

13
include/uapi/drm/qaic_accel.h
View file

@ -242,18 +242,7 @@ struct qaic_attach_slice_entry {
* @dbc_id: In. Associate the sliced BO with this DBC.
* @handle: In. GEM handle of the BO to slice.
* @dir: In. Direction of data flow. 1 = DMA_TO_DEVICE, 2 = DMA_FROM_DEVICE
* @size: In. Total length of BO being used. This should not exceed base
* size of BO (struct drm_gem_object.base)
* For BOs being allocated using DRM_IOCTL_QAIC_CREATE_BO, size of
* BO requested is PAGE_SIZE aligned then allocated hence allocated
* BO size maybe bigger. This size should not exceed the new
* PAGE_SIZE aligned BO size.
* @dev_addr: In. Device address this slice pushes to or pulls from.
* @db_addr: In. Address of the doorbell to ring.
* @db_data: In. Data to write to the doorbell.
* @db_len: In. Size of the doorbell data in bits - 32, 16, or 8. 0 is for
* inactive doorbells.
* @offset: In. Start of this slice as an offset from the start of the BO.
* @size: Deprecated. This value is ignored and size of @handle is used instead.
*/
struct qaic_attach_slice_hdr {
__u32 count;