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Diffstat (limited to 'include/uapi/rdma/qedr-abi.h')
-rw-r--r--include/uapi/rdma/qedr-abi.h43
1 files changed, 41 insertions, 2 deletions
diff --git a/include/uapi/rdma/qedr-abi.h b/include/uapi/rdma/qedr-abi.h
index 7a10b3a325fa..a0b83c9d4498 100644
--- a/include/uapi/rdma/qedr-abi.h
+++ b/include/uapi/rdma/qedr-abi.h
@@ -38,6 +38,27 @@
#define QEDR_ABI_VERSION (8)
/* user kernel communication data structures. */
+enum qedr_alloc_ucontext_flags {
+ QEDR_ALLOC_UCTX_RESERVED = 1 << 0,
+ QEDR_ALLOC_UCTX_DB_REC = 1 << 1
+};
+
+struct qedr_alloc_ucontext_req {
+ __u32 context_flags;
+ __u32 reserved;
+};
+
+#define QEDR_LDPM_MAX_SIZE (8192)
+#define QEDR_EDPM_TRANS_SIZE (64)
+
+enum qedr_rdma_dpm_type {
+ QEDR_DPM_TYPE_NONE = 0,
+ QEDR_DPM_TYPE_ROCE_ENHANCED = 1 << 0,
+ QEDR_DPM_TYPE_ROCE_LEGACY = 1 << 1,
+ QEDR_DPM_TYPE_IWARP_LEGACY = 1 << 2,
+ QEDR_DPM_TYPE_RESERVED = 1 << 3,
+ QEDR_DPM_SIZES_SET = 1 << 4,
+};
struct qedr_alloc_ucontext_resp {
__aligned_u64 db_pa;
@@ -50,10 +71,12 @@ struct qedr_alloc_ucontext_resp {
__u32 sges_per_recv_wr;
__u32 sges_per_srq_wr;
__u32 max_cqes;
- __u8 dpm_enabled;
+ __u8 dpm_flags;
__u8 wids_enabled;
__u16 wid_count;
- __u32 reserved;
+ __u16 ldpm_limit_size;
+ __u8 edpm_trans_size;
+ __u8 reserved;
};
struct qedr_alloc_pd_ureq {
@@ -74,6 +97,7 @@ struct qedr_create_cq_uresp {
__u32 db_offset;
__u16 icid;
__u16 reserved;
+ __aligned_u64 db_rec_addr;
};
struct qedr_create_qp_ureq {
@@ -109,6 +133,13 @@ struct qedr_create_qp_uresp {
__u32 rq_db2_offset;
__u32 reserved;
+
+ /* address of SQ doorbell recovery user entry */
+ __aligned_u64 sq_db_rec_addr;
+
+ /* address of RQ doorbell recovery user entry */
+ __aligned_u64 rq_db_rec_addr;
+
};
struct qedr_create_srq_ureq {
@@ -128,4 +159,12 @@ struct qedr_create_srq_uresp {
__u32 reserved1;
};
+/* doorbell recovery entry allocated and populated by userspace doorbelling
+ * entities and mapped to kernel. Kernel uses this to register doorbell
+ * information with doorbell drop recovery mechanism.
+ */
+struct qedr_user_db_rec {
+ __aligned_u64 db_data; /* doorbell data */
+};
+
#endif /* __QEDR_USER_H__ */
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