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authorMoni Shoua <monis@mellanox.com>2020-01-15 14:43:33 +0200
committerLeon Romanovsky <leonro@mellanox.com>2020-01-16 16:14:42 +0200
commit87d8069f6b028793254ddd0a66df1d7b6d79b450 (patch)
tree2b5eedc24d2333dd29ff6ca9883057f97f70ef23 /include
parentIB/core: Introduce ib_reg_user_mr (diff)
downloadlinux-dev-87d8069f6b028793254ddd0a66df1d7b6d79b450.tar.xz
linux-dev-87d8069f6b028793254ddd0a66df1d7b6d79b450.zip
IB/core: Add interface to advise_mr for kernel users
Allow ULPs to call advise_mr, so they can control ODP regions in the same way as user space applications. Signed-off-by: Moni Shoua <monis@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Diffstat (limited to 'include')
-rw-r--r--include/rdma/ib_verbs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 170d5ec95b79..e2cc62217cc2 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -4159,6 +4159,9 @@ static inline void ib_dma_free_coherent(struct ib_device *dev,
struct ib_mr *ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int mr_access_flags);
+/* ib_advise_mr - give an advice about an address range in a memory region */
+int ib_advise_mr(struct ib_pd *pd, enum ib_uverbs_advise_mr_advice advice,
+ u32 flags, struct ib_sge *sg_list, u32 num_sge);
/**
* ib_dereg_mr_user - Deregisters a memory region and removes it from the
* HCA translation table.