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RDMA/umem: Split ib_umem_get_va() into a thin wrapper around __ib_umem_get_va()

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The follow-up patch is going to introduce ib_umem_get_desc(),
the canonical desc-to-umem helper, which needs to pin a userspace VA
without going through the exported ib_umem_get_va() helper so later on
ib_umem_get_va() would use the ib_umem_get_desc() flow too.

Move the existing ib_umem_get_va() to a static __ib_umem_get_va()
and have ib_umem_get_va() as a thin wrapper that calls it.

Link: https://patch.msgid.link/r/20260529134312.2836341-3-jiri@resnulli.us
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Jiri Pirko 2026-05-29 15:42:58 +02:00 committed by Jason Gunthorpe
parent af84105686
commit 28fb701c64
1 changed files with 17 additions and 10 deletions
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27
drivers/infiniband/core/umem.c
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@ -153,16 +153,9 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem,
}
EXPORT_SYMBOL(ib_umem_find_best_pgsz);
/**
* ib_umem_get_va - Pin and DMA map userspace memory.
*
* @device: IB device to connect UMEM
* @addr: userspace virtual address to start at
* @size: length of region to pin
* @access: IB_ACCESS_xxx flags for memory being pinned
*/
struct ib_umem *ib_umem_get_va(struct ib_device *device, unsigned long addr,
size_t size, int access)
static struct ib_umem *__ib_umem_get_va(struct ib_device *device,
unsigned long addr, size_t size,
int access)
{
struct ib_umem *umem;
struct page **page_list;
@ -275,6 +268,20 @@ struct ib_umem *ib_umem_get_va(struct ib_device *device, unsigned long addr,
}
return ret ? ERR_PTR(ret) : umem;
}
/**
* ib_umem_get_va - Pin and DMA map userspace memory.
*
* @device: IB device to connect UMEM
* @addr: userspace virtual address to start at
* @size: length of region to pin
* @access: IB_ACCESS_xxx flags for memory being pinned
*/
struct ib_umem *ib_umem_get_va(struct ib_device *device, unsigned long addr,
size_t size, int access)
{
return __ib_umem_get_va(device, addr, size, access);
}
EXPORT_SYMBOL(ib_umem_get_va);
/**