RDMA/hns: Remove support for HIP08_A

HIP08_A is an temporary version and all features of it are supported by
HIP08_B. So remove the relevant code.

Link: https://lore.kernel.org/r/1595932941-40613-4-git-send-email-liweihang@huawei.comSigned-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/hns/hns_roce_device.h

@@ -37,9 +37,8 @@
 
 #define DRV_NAME "hns_roce"
 
-/* hip08 is a pci device, it includes two version according pci version id */
-#define PCI_REVISION_ID_HIP08_A			0x20
-#define PCI_REVISION_ID_HIP08_B			0x21
+/* hip08 is a pci device */
+#define PCI_REVISION_ID_HIP08			0x21
 
 #define HNS_ROCE_HW_VER1	('h' << 24 | 'i' << 16 | '0' << 8 | '6')
 

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

@@ -1744,7 +1744,6 @@ static void set_default_caps(struct hns_roce_dev *hr_dev)
 	caps->max_srq_wrs	= HNS_ROCE_V2_MAX_SRQ_WR;
 	caps->max_srq_sges	= HNS_ROCE_V2_MAX_SRQ_SGE;
 
-	if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP08_B) {
 	caps->flags |= HNS_ROCE_CAP_FLAG_ATOMIC | HNS_ROCE_CAP_FLAG_MW |
 		       HNS_ROCE_CAP_FLAG_SRQ | HNS_ROCE_CAP_FLAG_FRMR |
 		       HNS_ROCE_CAP_FLAG_QP_FLOW_CTRL;
@@ -1764,7 +1763,6 @@ static void set_default_caps(struct hns_roce_dev *hr_dev)
 	caps->sccc_ba_pg_sz	  = 0;
 	caps->sccc_buf_pg_sz	  = 0;
 	caps->sccc_hop_num	  = HNS_ROCE_SCCC_HOP_NUM;
-	}
 }
 
 static void calc_pg_sz(int obj_num, int obj_size, int hop_num, int ctx_bt_num,
@@ -1995,7 +1993,6 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev)
 		   caps->srqc_bt_num, &caps->srqc_buf_pg_sz,
 		   &caps->srqc_ba_pg_sz, HEM_TYPE_SRQC);
 
-	if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP08_B) {
 	caps->sccc_hop_num = ctx_hop_num;
 	caps->qpc_timer_hop_num = HNS_ROCE_HOP_NUM_0;
 	caps->cqc_timer_hop_num = HNS_ROCE_HOP_NUM_0;
@@ -2008,7 +2005,6 @@ static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev)
 		   caps->cqc_timer_hop_num, caps->cqc_timer_bt_num,
 		   &caps->cqc_timer_buf_pg_sz,
 		   &caps->cqc_timer_ba_pg_sz, HEM_TYPE_CQC_TIMER);
-	}
 
 	calc_pg_sz(caps->num_cqe_segs, caps->mtt_entry_sz, caps->cqe_hop_num,
 		   1, &caps->cqe_buf_pg_sz, &caps->cqe_ba_pg_sz, HEM_TYPE_CQE);
@@ -2055,23 +2051,20 @@ static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev)
 		return ret;
 	}
 
-	if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP08_B) {
 	ret = hns_roce_query_pf_timer_resource(hr_dev);
 	if (ret) {
 		dev_err(hr_dev->dev,
-				"Query pf timer resource fail, ret = %d.\n",
-				ret);
+			"failed to query pf timer resource, ret = %d.\n", ret);
 		return ret;
 	}
 
 	ret = hns_roce_set_vf_switch_param(hr_dev, 0);
 	if (ret) {
 		dev_err(hr_dev->dev,
-				"Set function switch param fail, ret = %d.\n",
+			"failed to set function switch param, ret = %d.\n",
 			ret);
 		return ret;
 	}
-	}
 
 	hr_dev->vendor_part_id = hr_dev->pci_dev->device;
 	hr_dev->sys_image_guid = be64_to_cpu(hr_dev->ib_dev.node_guid);
@@ -2336,7 +2329,6 @@ static void hns_roce_v2_exit(struct hns_roce_dev *hr_dev)
 {
 	struct hns_roce_v2_priv *priv = hr_dev->priv;
 
-	if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP08_B)
 	hns_roce_function_clear(hr_dev);
 
 	hns_roce_free_link_table(hr_dev, &priv->tpq);
@@ -4231,12 +4223,13 @@ static int hns_roce_v2_set_path(struct ib_qp *ibqp,
 	roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_HOP_LIMIT_M,
 		       V2_QPC_BYTE_24_HOP_LIMIT_S, 0);
 
-	if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP08_B && is_udp)
+	if (is_udp)
 		roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_TC_M,
 			       V2_QPC_BYTE_24_TC_S, grh->traffic_class >> 2);
 	else
 		roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_TC_M,
 			       V2_QPC_BYTE_24_TC_S, grh->traffic_class);
+
 	roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_TC_M,
 		       V2_QPC_BYTE_24_TC_S, 0);
 	roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_FL_M,

drivers/infiniband/hw/hns/hns_roce_qp.c

@@ -411,7 +411,6 @@ static int set_extend_sge_param(struct hns_roce_dev *hr_dev, u32 sq_wqe_cnt,
 				struct hns_roce_qp *hr_qp,
 				struct ib_qp_cap *cap)
 {
-	struct ib_device *ibdev = &hr_dev->ib_dev;
 	u32 cnt;
 
 	cnt = max(1U, cap->max_send_sge);
@@ -431,15 +430,6 @@ static int set_extend_sge_param(struct hns_roce_dev *hr_dev, u32 sq_wqe_cnt,
 	} else if (hr_qp->sq.max_gs > HNS_ROCE_SGE_IN_WQE) {
 		cnt = roundup_pow_of_two(sq_wqe_cnt *
 				     (hr_qp->sq.max_gs - HNS_ROCE_SGE_IN_WQE));
-
-		if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08_A) {
-			if (cnt > hr_dev->caps.max_extend_sg) {
-				ibdev_err(ibdev,
-					  "failed to check exSGE num, exSGE num = %d.\n",
-					  cnt);
-				return -EINVAL;
-			}
-		}
 	} else {
 		cnt = 0;
 	}