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authorLi Zhijian <lizhijian@fujitsu.com>2022-12-06 21:01:52 +0800
committerJason Gunthorpe <jgg@nvidia.com>2022-12-09 19:36:01 -0400
commit0c17da492dc6c33cc5b99633adb4bd7b2587153c (patch)
treefa0faa45bd9cb31f7fbc167d9789a51de2bb085d /include/uapi/rdma
parent689c5421bfe0eac65526bd97a466b9590a6aad3c (diff)
RDMA: Extend RDMA user ABI to support flush
This commit extends the RDMA user ABI to support the flush operation defined in IBA A19.4.1. These changes are backward compatible with the existing RDMA user ABI. Link: https://lore.kernel.org/r/20221206130201.30986-2-lizhijian@fujitsu.com Reviewed-by: Zhu Yanjun <zyjzyj2000@gmail.com> Signed-off-by: Li Zhijian <lizhijian@fujitsu.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/uapi/rdma')
-rw-r--r--include/uapi/rdma/ib_user_ioctl_verbs.h2
-rw-r--r--include/uapi/rdma/ib_user_verbs.h17
2 files changed, 19 insertions, 0 deletions
diff --git a/include/uapi/rdma/ib_user_ioctl_verbs.h b/include/uapi/rdma/ib_user_ioctl_verbs.h
index e0c25537fd2e..d7c5aaa32744 100644
--- a/include/uapi/rdma/ib_user_ioctl_verbs.h
+++ b/include/uapi/rdma/ib_user_ioctl_verbs.h
@@ -57,6 +57,8 @@ 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_FLUSH_GLOBAL = 1 << 8,
+ IB_UVERBS_ACCESS_FLUSH_PERSISTENT = 1 << 9,
IB_UVERBS_ACCESS_RELAXED_ORDERING = IB_UVERBS_ACCESS_OPTIONAL_FIRST,
IB_UVERBS_ACCESS_OPTIONAL_RANGE =
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index 237814815544..e16650f0c85d 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -105,6 +105,18 @@ enum {
IB_USER_VERBS_EX_CMD_MODIFY_CQ
};
+/* see IBA A19.4.1.1 Placement Types */
+enum ib_placement_type {
+ IB_FLUSH_GLOBAL = 1U << 0,
+ IB_FLUSH_PERSISTENT = 1U << 1,
+};
+
+/* see IBA A19.4.1.2 Selectivity Level */
+enum ib_selectivity_level {
+ IB_FLUSH_RANGE = 0,
+ IB_FLUSH_MR,
+};
+
/*
* Make sure that all structs defined in this file remain laid out so
* that they pack the same way on 32-bit and 64-bit architectures (to
@@ -466,6 +478,7 @@ enum ib_uverbs_wc_opcode {
IB_UVERBS_WC_BIND_MW = 5,
IB_UVERBS_WC_LOCAL_INV = 6,
IB_UVERBS_WC_TSO = 7,
+ IB_UVERBS_WC_FLUSH = 8,
IB_UVERBS_WC_ATOMIC_WRITE = 9,
};
@@ -785,6 +798,7 @@ enum ib_uverbs_wr_opcode {
IB_UVERBS_WR_RDMA_READ_WITH_INV = 11,
IB_UVERBS_WR_MASKED_ATOMIC_CMP_AND_SWP = 12,
IB_UVERBS_WR_MASKED_ATOMIC_FETCH_AND_ADD = 13,
+ IB_UVERBS_WR_FLUSH = 14,
IB_UVERBS_WR_ATOMIC_WRITE = 15,
/* Review enum ib_wr_opcode before modifying this */
};
@@ -1333,6 +1347,9 @@ enum ib_uverbs_device_cap_flags {
/* Deprecated. Please use IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS. */
IB_UVERBS_DEVICE_RAW_SCATTER_FCS = 1ULL << 34,
IB_UVERBS_DEVICE_PCI_WRITE_END_PADDING = 1ULL << 36,
+ /* Flush placement types */
+ IB_UVERBS_DEVICE_FLUSH_GLOBAL = 1ULL << 38,
+ IB_UVERBS_DEVICE_FLUSH_PERSISTENT = 1ULL << 39,
/* Atomic write attributes */
IB_UVERBS_DEVICE_ATOMIC_WRITE = 1ULL << 40,
};