diff options
| author | Dean Luick <dean.luick@cornelisnetworks.com> | 2026-03-09 23:44:59 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2026-03-11 22:17:28 +0300 |
| commit | 6be4ca0ab3a2363a850787079f2342d41d377487 (patch) | |
| tree | 05e201062a2cbe4da3509aa0c9334854bd6beb5c /include | |
| parent | 0fed679e0862b3abd706041be3cc7620318fbee8 (diff) | |
| download | linux-6be4ca0ab3a2363a850787079f2342d41d377487.tar.xz | |
RDMA/rdmavt: Add driver mmap callback
Add a reserved range and a driver callback to allow the driver to
have custom mmaps.
Generated mmap offsets are cookies and are not related to the size of
the mmap. Advance the mmap offset by the minimum, PAGE_SIZE, rather
than the size of the mmap.
Signed-off-by: Dean Luick <dean.luick@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Link: https://patch.msgid.link/177308909972.1279894.15543003811821875042.stgit@awdrv-04.cornelisnetworks.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/rdma/rdma_vt.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index 8671c6da16bb..7d8de561f71b 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -366,6 +366,9 @@ struct rvt_driver_provided { /* deallocate a ucontext */ void (*dealloc_ucontext)(struct ib_ucontext *context); + + /* driver mmap */ + int (*mmap)(struct ib_ucontext *context, struct vm_area_struct *vma); }; struct rvt_dev_info { |