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authorMichael Guralnik <michaelgur@mellanox.com>2020-01-08 21:05:36 +0300
committerJason Gunthorpe <jgg@mellanox.com>2020-01-16 22:55:46 +0300
commit68d384b906cfc850b65561fd846adbb8b406d9e5 (patch)
tree5254229b0d25a3b0f6d6e2b05bd18d4bf4c5ce8d /include/uapi/rdma
parentca95c1411198c2d87217c19d44571052cdc94725 (diff)
downloadlinux-68d384b906cfc850b65561fd846adbb8b406d9e5.tar.xz
RDMA/core: Add optional access flags range
Define a range of access flags that are defined to be optional, both uverbs and drivers should enable getting them and use if they are applicable This will be used, for example, for the relaxed ordering access flag which unsupporting drivers can ignore. Link: https://lore.kernel.org/r/1578506740-22188-7-git-send-email-yishaih@mellanox.com Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Signed-off-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/uapi/rdma')
-rw-r--r--include/uapi/rdma/ib_user_ioctl_verbs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/uapi/rdma/ib_user_ioctl_verbs.h b/include/uapi/rdma/ib_user_ioctl_verbs.h
index 9019b2d906ea..76dbbd9b55fc 100644
--- a/include/uapi/rdma/ib_user_ioctl_verbs.h
+++ b/include/uapi/rdma/ib_user_ioctl_verbs.h
@@ -41,6 +41,9 @@
#define RDMA_UAPI_PTR(_type, _name) __aligned_u64 _name
#endif
+#define IB_UVERBS_ACCESS_OPTIONAL_FIRST (1 << 20)
+#define IB_UVERBS_ACCESS_OPTIONAL_LAST (1 << 29)
+
enum ib_uverbs_access_flags {
IB_UVERBS_ACCESS_LOCAL_WRITE = 1 << 0,
IB_UVERBS_ACCESS_REMOTE_WRITE = 1 << 1,
@@ -50,6 +53,10 @@ enum ib_uverbs_access_flags {
IB_UVERBS_ACCESS_ZERO_BASED = 1 << 5,
IB_UVERBS_ACCESS_ON_DEMAND = 1 << 6,
IB_UVERBS_ACCESS_HUGETLB = 1 << 7,
+
+ IB_UVERBS_ACCESS_OPTIONAL_RANGE =
+ ((IB_UVERBS_ACCESS_OPTIONAL_LAST << 1) - 1) &
+ ~(IB_UVERBS_ACCESS_OPTIONAL_FIRST - 1)
};
enum ib_uverbs_query_port_cap_flags {