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IB/core: Introduce rdma_user_mmap_entry_insert_range() API

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Introduce rdma_user_mmap_entry_insert_range() API to be used once the
required key for the given entry should be in a given range.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Link: https://lore.kernel.org/r/20191212100237.330654-2-leon@kernel.org
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Yishai Hadas
2019-12-12 12:02:36 +02:00
committed by Doug Ledford
parent ed9085fed9
commit 7a763d18ff
2 changed files with 44 additions and 9 deletions
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5
include/rdma/ib_verbs.h
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@@ -2832,6 +2832,11 @@ int rdma_user_mmap_io(struct ib_ucontext *ucontext, struct vm_area_struct *vma,
int rdma_user_mmap_entry_insert(struct ib_ucontext *ucontext,
struct rdma_user_mmap_entry *entry,
size_t length);
int rdma_user_mmap_entry_insert_range(struct ib_ucontext *ucontext,
struct rdma_user_mmap_entry *entry,
size_t length, u32 min_pgoff,
u32 max_pgoff);
struct rdma_user_mmap_entry *
rdma_user_mmap_entry_get_pgoff(struct ib_ucontext *ucontext,
unsigned long pgoff);