Merge pull request #1640 from tatyana-en/support-for-irdma-gen3

Support for irdma gen3

Author: jgunthorpe

providers/irdma/abi.h

@@ -31,5 +31,7 @@ DECLARE_DRV_CMD(irdma_urereg_mr, IB_USER_VERBS_CMD_REREG_MR,
 		irdma_mem_reg_req, empty);
 DECLARE_DRV_CMD(irdma_ucreate_ah, IB_USER_VERBS_CMD_CREATE_AH,
 		empty, irdma_create_ah_resp);
+DECLARE_DRV_CMD(irdma_ucreate_srq, IB_USER_VERBS_CMD_CREATE_SRQ,
+		irdma_create_srq_req, irdma_create_srq_resp);
 
 #endif /* PROVIDER_IRDMA_ABI_H */

providers/irdma/defs.h

@@ -25,8 +25,12 @@
 #define IRDMA_SQ_RSVD	258
 #define IRDMA_RQ_RSVD	1
 
-#define IRDMA_FEATURE_RTS_AE			1ULL
-#define IRDMA_FEATURE_CQ_RESIZE			2ULL
+#define IRDMA_FEATURE_RTS_AE			BIT_ULL(0)
+#define IRDMA_FEATURE_CQ_RESIZE			BIT_ULL(1)
+#define IRDMA_FEATURE_64_BYTE_CQE		BIT_ULL(5)
+#define IRDMA_FEATURE_ATOMIC_OPS		BIT_ULL(6)
+#define IRDMA_FEATURE_SRQ			BIT_ULL(7)
+#define IRDMA_FEATURE_CQE_TIMESTAMPING		BIT_ULL(8)
 #define IRDMAQP_OP_RDMA_WRITE			0x00
 #define IRDMAQP_OP_RDMA_READ			0x01
 #define IRDMAQP_OP_RDMA_SEND			0x03
@@ -38,6 +42,8 @@
 #define IRDMAQP_OP_LOCAL_INVALIDATE		0x0a
 #define IRDMAQP_OP_RDMA_READ_LOC_INV		0x0b
 #define IRDMAQP_OP_NOP				0x0c
+#define IRDMAQP_OP_ATOMIC_FETCH_ADD		0x0f
+#define IRDMAQP_OP_ATOMIC_COMPARE_SWAP_ADD	0x11
 
 #define IRDMA_CQPHC_QPCTX GENMASK_ULL(63, 0)
 #define IRDMA_QP_DBSA_HW_SQ_TAIL GENMASK_ULL(14, 0)
@@ -58,6 +64,7 @@
 #define IRDMA_CQ_ERROR BIT_ULL(55)
 #define IRDMA_CQ_SQ BIT_ULL(62)
 
+#define IRDMA_CQ_SRQ BIT_ULL(52)
 #define IRDMA_CQ_VALID BIT_ULL(63)
 #define IRDMA_CQ_IMMVALID BIT_ULL(62)
 #define IRDMA_CQ_UDSMACVALID BIT_ULL(61)
@@ -70,7 +77,7 @@
 #define IRDMA_CQ_IMMDATALOW32 GENMASK_ULL(31, 0)
 #define IRDMA_CQ_IMMDATAUP32 GENMASK_ULL(63, 32)
 #define IRDMACQ_PAYLDLEN GENMASK_ULL(31, 0)
-#define IRDMACQ_TCPSEQNUMRTT GENMASK_ULL(63, 32)
+#define IRDMACQ_TCPSQN_ROCEPSN_RTT_TS GENMASK_ULL(63, 32)
 #define IRDMACQ_INVSTAG GENMASK_ULL(31, 0)
 #define IRDMACQ_QPID GENMASK_ULL(55, 32)
 
@@ -129,7 +136,7 @@
 #define IRDMAQPSQ_MWSTAG GENMASK_ULL(31, 0)
 
 #define IRDMAQPSQ_BASEVA_TO_FBO IRDMA_CQPHC_QPCTX
-
+#define IRDMAQPSQ_REMOTE_ATOMICS_EN BIT_ULL(55)
 #define IRDMAQPSQ_LOCSTAG GENMASK_ULL(31, 0)
 
 /* iwarp QP RQ WQE common fields */

providers/irdma/irdma.h

@@ -6,9 +6,10 @@
 #define IRDMA_WQEALLOC_WQE_DESC_INDEX GENMASK(31, 20)
 
 enum irdma_vers {
-	IRDMA_GEN_RSVD,
-	IRDMA_GEN_1,
-	IRDMA_GEN_2,
+	IRDMA_GEN_RSVD = 0,
+	IRDMA_GEN_1 = 1,
+	IRDMA_GEN_2 = 2,
+	IRDMA_GEN_3 = 3,
 };
 
 struct irdma_uk_attrs {
@@ -20,6 +21,7 @@ struct irdma_uk_attrs {
 	__u32 max_hw_wq_quanta;
 	__u32 min_hw_cq_size;
 	__u32 max_hw_cq_size;
+	__u32 max_hw_srq_quanta;
 	__u16 max_hw_sq_chunk;
 	__u16 min_hw_wq_size;
 	__u8 hw_rev;