RDMA/hns: Remove the unused parameter "op_modifier" in mailbox

The parameter "op_modifier" is only used for HIP06. It is useless for HIP08
and later versions. After removing HIP06, this parameter is no longer used,
so remove it.

Link: https://lore.kernel.org/r/20220302064830.61706-2-liangwenpeng@huawei.comSigned-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/hns/hns_roce_cmd.c

@@ -39,25 +39,22 @@
 #define CMD_MAX_NUM 32
 
 static int hns_roce_cmd_mbox_post_hw(struct hns_roce_dev *hr_dev, u64 in_param,
-				     u64 out_param, u32 in_modifier,
-				     u8 op_modifier, u16 op, u16 token,
-				     int event)
+				     u64 out_param, u32 in_modifier, u16 op,
+				     u16 token, int event)
 {
 	return hr_dev->hw->post_mbox(hr_dev, in_param, out_param, in_modifier,
-				     op_modifier, op, token, event);
+				     op, token, event);
 }
 
 /* this should be called with "poll_sem" */
 static int __hns_roce_cmd_mbox_poll(struct hns_roce_dev *hr_dev, u64 in_param,
 				    u64 out_param, unsigned long in_modifier,
-				    u8 op_modifier, u16 op,
-				    unsigned int timeout)
+				    u16 op, unsigned int timeout)
 {
 	int ret;
 
 	ret = hns_roce_cmd_mbox_post_hw(hr_dev, in_param, out_param,
-					in_modifier, op_modifier, op,
-					CMD_POLL_TOKEN, 0);
+					in_modifier, op, CMD_POLL_TOKEN, 0);
 	if (ret) {
 		dev_err_ratelimited(hr_dev->dev,
 				    "failed to post mailbox 0x%x in poll mode, ret = %d.\n",
@@ -70,13 +67,13 @@ static int __hns_roce_cmd_mbox_poll(struct hns_roce_dev *hr_dev, u64 in_param,
 
 static int hns_roce_cmd_mbox_poll(struct hns_roce_dev *hr_dev, u64 in_param,
 				  u64 out_param, unsigned long in_modifier,
-				  u8 op_modifier, u16 op, unsigned int timeout)
+				  u16 op, unsigned int timeout)
 {
 	int ret;
 
 	down(&hr_dev->cmd.poll_sem);
 	ret = __hns_roce_cmd_mbox_poll(hr_dev, in_param, out_param, in_modifier,
-				       op_modifier, op, timeout);
+				       op, timeout);
 	up(&hr_dev->cmd.poll_sem);
 
 	return ret;
@@ -102,8 +99,7 @@ void hns_roce_cmd_event(struct hns_roce_dev *hr_dev, u16 token, u8 status,
 
 static int __hns_roce_cmd_mbox_wait(struct hns_roce_dev *hr_dev, u64 in_param,
 				    u64 out_param, unsigned long in_modifier,
-				    u8 op_modifier, u16 op,
-				    unsigned int timeout)
+				    u16 op, unsigned int timeout)
 {
 	struct hns_roce_cmdq *cmd = &hr_dev->cmd;
 	struct hns_roce_cmd_context *context;
@@ -125,8 +121,7 @@ static int __hns_roce_cmd_mbox_wait(struct hns_roce_dev *hr_dev, u64 in_param,
 	reinit_completion(&context->done);
 
 	ret = hns_roce_cmd_mbox_post_hw(hr_dev, in_param, out_param,
-					in_modifier, op_modifier, op,
-					context->token, 1);
+					in_modifier, op, context->token, 1);
 	if (ret) {
 		dev_err_ratelimited(dev,
 				    "failed to post mailbox 0x%x in event mode, ret = %d.\n",
@@ -154,21 +149,20 @@ static int __hns_roce_cmd_mbox_wait(struct hns_roce_dev *hr_dev, u64 in_param,
 
 static int hns_roce_cmd_mbox_wait(struct hns_roce_dev *hr_dev, u64 in_param,
 				  u64 out_param, unsigned long in_modifier,
-				  u8 op_modifier, u16 op, unsigned int timeout)
+				  u16 op, unsigned int timeout)
 {
 	int ret;
 
 	down(&hr_dev->cmd.event_sem);
 	ret = __hns_roce_cmd_mbox_wait(hr_dev, in_param, out_param, in_modifier,
-				       op_modifier, op, timeout);
+				       op, timeout);
 	up(&hr_dev->cmd.event_sem);
 
 	return ret;
 }
 
 int hns_roce_cmd_mbox(struct hns_roce_dev *hr_dev, u64 in_param, u64 out_param,
-		      unsigned long in_modifier, u8 op_modifier, u16 op,
-		      unsigned int timeout)
+		      unsigned long in_modifier, u16 op, unsigned int timeout)
 {
 	bool is_busy;
 
@@ -178,12 +172,10 @@ int hns_roce_cmd_mbox(struct hns_roce_dev *hr_dev, u64 in_param, u64 out_param,
 
 	if (hr_dev->cmd.use_events)
 		return hns_roce_cmd_mbox_wait(hr_dev, in_param, out_param,
-					      in_modifier, op_modifier, op,
-					      timeout);
+					      in_modifier, op, timeout);
 	else
 		return hns_roce_cmd_mbox_poll(hr_dev, in_param, out_param,
-					      in_modifier, op_modifier, op,
-					      timeout);
+					      in_modifier, op, timeout);
 }
 
 int hns_roce_cmd_init(struct hns_roce_dev *hr_dev)

drivers/infiniband/hw/hns/hns_roce_cmd.h

@@ -140,8 +140,7 @@ enum {
 };
 
 int hns_roce_cmd_mbox(struct hns_roce_dev *hr_dev, u64 in_param, u64 out_param,
-		      unsigned long in_modifier, u8 op_modifier, u16 op,
-		      unsigned int timeout);
+		      unsigned long in_modifier, u16 op, unsigned int timeout);
 
 struct hns_roce_cmd_mailbox *
 hns_roce_alloc_cmd_mailbox(struct hns_roce_dev *hr_dev);

drivers/infiniband/hw/hns/hns_roce_cq.c

@@ -140,7 +140,7 @@ static int alloc_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
 	hr_dev->hw->write_cqc(hr_dev, hr_cq, mailbox->buf, mtts, dma_handle);
 
 	/* Send mailbox to hw */
-	ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_cq->cqn, 0,
+	ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_cq->cqn,
 			HNS_ROCE_CMD_CREATE_CQC, HNS_ROCE_CMD_TIMEOUT_MSECS);
 	hns_roce_free_cmd_mailbox(hr_dev, mailbox);
 	if (ret) {
@@ -174,7 +174,7 @@ static void free_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
 	struct device *dev = hr_dev->dev;
 	int ret;
 
-	ret = hns_roce_cmd_mbox(hr_dev, 0, 0, hr_cq->cqn, 1,
+	ret = hns_roce_cmd_mbox(hr_dev, 0, 0, hr_cq->cqn,
 				HNS_ROCE_CMD_DESTROY_CQC,
 				HNS_ROCE_CMD_TIMEOUT_MSECS);
 	if (ret)

drivers/infiniband/hw/hns/hns_roce_device.h

@@ -852,7 +852,7 @@ struct hns_roce_hw {
 	int (*hw_init)(struct hns_roce_dev *hr_dev);
 	void (*hw_exit)(struct hns_roce_dev *hr_dev);
 	int (*post_mbox)(struct hns_roce_dev *hr_dev, u64 in_param,
-			 u64 out_param, u32 in_modifier, u8 op_modifier, u16 op,
+			 u64 out_param, u32 in_modifier, u16 op,
 			 u16 token, int event);
 	int (*poll_mbox_done)(struct hns_roce_dev *hr_dev,
 			      unsigned int timeout);

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

@@ -1353,7 +1353,7 @@ static int config_hem_ba_to_hw(struct hns_roce_dev *hr_dev, unsigned long obj,
 	if (IS_ERR(mbox))
 		return PTR_ERR(mbox);
 
-	ret = hns_roce_cmd_mbox(hr_dev, base_addr, mbox->dma, obj, 0, op,
+	ret = hns_roce_cmd_mbox(hr_dev, base_addr, mbox->dma, obj, op,
 				HNS_ROCE_CMD_TIMEOUT_MSECS);
 	hns_roce_free_cmd_mailbox(hr_dev, mbox);
 	return ret;
@@ -2781,7 +2781,7 @@ static void hns_roce_v2_exit(struct hns_roce_dev *hr_dev)
 }
 
 static int hns_roce_mbox_post(struct hns_roce_dev *hr_dev, u64 in_param,
-			      u64 out_param, u32 in_modifier, u8 op_modifier,
+			      u64 out_param, u32 in_modifier,
 			      u16 op, u16 token, int event)
 {
 	struct hns_roce_cmq_desc desc;
@@ -2848,7 +2848,7 @@ static int v2_wait_mbox_complete(struct hns_roce_dev *hr_dev, u32 timeout,
 }
 
 static int v2_post_mbox(struct hns_roce_dev *hr_dev, u64 in_param,
-			u64 out_param, u32 in_modifier, u8 op_modifier,
+			u64 out_param, u32 in_modifier,
 			u16 op, u16 token, int event)
 {
 	u8 status = 0;
@@ -2866,7 +2866,7 @@ static int v2_post_mbox(struct hns_roce_dev *hr_dev, u64 in_param,
 
 	/* Post new message to mbox */
 	ret = hns_roce_mbox_post(hr_dev, in_param, out_param, in_modifier,
-				 op_modifier, op, token, event);
+				 op, token, event);
 	if (ret)
 		dev_err_ratelimited(hr_dev->dev,
 				    "failed to post mailbox, ret = %d.\n", ret);
@@ -3992,7 +3992,7 @@ static int hns_roce_v2_clear_hem(struct hns_roce_dev *hr_dev,
 		return PTR_ERR(mailbox);
 
 	/* configure the tag and op */
-	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, obj, 0, op,
+	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, obj, op,
 				HNS_ROCE_CMD_TIMEOUT_MSECS);
 
 	hns_roce_free_cmd_mailbox(hr_dev, mailbox);
@@ -4017,7 +4017,7 @@ static int hns_roce_v2_qp_modify(struct hns_roce_dev *hr_dev,
 	memcpy(mailbox->buf, context, qpc_size);
 	memcpy(mailbox->buf + qpc_size, qpc_mask, qpc_size);
 
-	ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_qp->qpn, 0,
+	ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_qp->qpn,
 				HNS_ROCE_CMD_MODIFY_QPC,
 				HNS_ROCE_CMD_TIMEOUT_MSECS);
 
@@ -5092,7 +5092,7 @@ static int hns_roce_v2_query_qpc(struct hns_roce_dev *hr_dev,
 	if (IS_ERR(mailbox))
 		return PTR_ERR(mailbox);
 
-	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, hr_qp->qpn, 0,
+	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, hr_qp->qpn,
 				HNS_ROCE_CMD_QUERY_QPC,
 				HNS_ROCE_CMD_TIMEOUT_MSECS);
 	if (ret)
@@ -5460,7 +5460,7 @@ static int hns_roce_v2_modify_srq(struct ib_srq *ibsrq,
 		hr_reg_write(srq_context, SRQC_LIMIT_WL, srq_attr->srq_limit);
 		hr_reg_clear(srqc_mask, SRQC_LIMIT_WL);
 
-		ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, srq->srqn, 0,
+		ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, srq->srqn,
 					HNS_ROCE_CMD_MODIFY_SRQC,
 					HNS_ROCE_CMD_TIMEOUT_MSECS);
 		hns_roce_free_cmd_mailbox(hr_dev, mailbox);
@@ -5488,7 +5488,7 @@ static int hns_roce_v2_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
 		return PTR_ERR(mailbox);
 
 	srq_context = mailbox->buf;
-	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, srq->srqn, 0,
+	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, srq->srqn,
 				HNS_ROCE_CMD_QUERY_SRQC,
 				HNS_ROCE_CMD_TIMEOUT_MSECS);
 	if (ret) {
@@ -5540,7 +5540,7 @@ static int hns_roce_v2_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
 	hr_reg_write(cq_context, CQC_CQ_PERIOD, cq_period);
 	hr_reg_clear(cqc_mask, CQC_CQ_PERIOD);
 
-	ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_cq->cqn, 1,
+	ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_cq->cqn,
 				HNS_ROCE_CMD_MODIFY_CQC,
 				HNS_ROCE_CMD_TIMEOUT_MSECS);
 	hns_roce_free_cmd_mailbox(hr_dev, mailbox);
@@ -5872,11 +5872,11 @@ static void hns_roce_v2_destroy_eqc(struct hns_roce_dev *hr_dev, u32 eqn)
 
 	if (eqn < hr_dev->caps.num_comp_vectors)
 		ret = hns_roce_cmd_mbox(hr_dev, 0, 0, eqn & HNS_ROCE_V2_EQN_M,
-					0, HNS_ROCE_CMD_DESTROY_CEQC,
+					HNS_ROCE_CMD_DESTROY_CEQC,
 					HNS_ROCE_CMD_TIMEOUT_MSECS);
 	else
 		ret = hns_roce_cmd_mbox(hr_dev, 0, 0, eqn & HNS_ROCE_V2_EQN_M,
-					0, HNS_ROCE_CMD_DESTROY_AEQC,
+					HNS_ROCE_CMD_DESTROY_AEQC,
 					HNS_ROCE_CMD_TIMEOUT_MSECS);
 	if (ret)
 		dev_err(dev, "[mailbox cmd] destroy eqc(%u) failed.\n", eqn);
@@ -6002,7 +6002,7 @@ static int hns_roce_v2_create_eq(struct hns_roce_dev *hr_dev,
 	if (ret)
 		goto err_cmd_mbox;
 
-	ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, eq->eqn, 0,
+	ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, eq->eqn,
 				eq_cmd, HNS_ROCE_CMD_TIMEOUT_MSECS);
 	if (ret) {
 		dev_err(hr_dev->dev, "[mailbox cmd] create eqc failed.\n");

drivers/infiniband/hw/hns/hns_roce_hw_v2_dfx.c

@@ -18,7 +18,7 @@ int hns_roce_v2_query_cqc_info(struct hns_roce_dev *hr_dev, u32 cqn,
 		return PTR_ERR(mailbox);
 
 	cq_context = mailbox->buf;
-	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, cqn, 0,
+	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, cqn,
 				HNS_ROCE_CMD_QUERY_CQC,
 				HNS_ROCE_CMD_TIMEOUT_MSECS);
 	if (ret) {

drivers/infiniband/hw/hns/hns_roce_mr.c

@@ -51,7 +51,7 @@ static int hns_roce_hw_create_mpt(struct hns_roce_dev *hr_dev,
 				  struct hns_roce_cmd_mailbox *mailbox,
 				  unsigned long mpt_index)
 {
-	return hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, mpt_index, 0,
+	return hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, mpt_index,
 				 HNS_ROCE_CMD_CREATE_MPT,
 				 HNS_ROCE_CMD_TIMEOUT_MSECS);
 }
@@ -61,7 +61,7 @@ int hns_roce_hw_destroy_mpt(struct hns_roce_dev *hr_dev,
 			    unsigned long mpt_index)
 {
 	return hns_roce_cmd_mbox(hr_dev, 0, mailbox ? mailbox->dma : 0,
-				 mpt_index, !mailbox, HNS_ROCE_CMD_DESTROY_MPT,
+				 mpt_index, HNS_ROCE_CMD_DESTROY_MPT,
 				 HNS_ROCE_CMD_TIMEOUT_MSECS);
 }
 
@@ -303,7 +303,7 @@ struct ib_mr *hns_roce_rereg_user_mr(struct ib_mr *ibmr, int flags, u64 start,
 		return ERR_CAST(mailbox);
 
 	mtpt_idx = key_to_hw_index(mr->key) & (hr_dev->caps.num_mtpts - 1);
-	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, mtpt_idx, 0,
+	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, mtpt_idx,
 				HNS_ROCE_CMD_QUERY_MPT,
 				HNS_ROCE_CMD_TIMEOUT_MSECS);
 	if (ret)

drivers/infiniband/hw/hns/hns_roce_srq.c

@@ -63,7 +63,7 @@ static int hns_roce_hw_create_srq(struct hns_roce_dev *dev,
 				  struct hns_roce_cmd_mailbox *mailbox,
 				  unsigned long srq_num)
 {
-	return hns_roce_cmd_mbox(dev, mailbox->dma, 0, srq_num, 0,
+	return hns_roce_cmd_mbox(dev, mailbox->dma, 0, srq_num,
 				 HNS_ROCE_CMD_CREATE_SRQ,
 				 HNS_ROCE_CMD_TIMEOUT_MSECS);
 }
@@ -73,7 +73,7 @@ static int hns_roce_hw_destroy_srq(struct hns_roce_dev *dev,
 				   unsigned long srq_num)
 {
 	return hns_roce_cmd_mbox(dev, 0, mailbox ? mailbox->dma : 0, srq_num,
-				 mailbox ? 0 : 1, HNS_ROCE_CMD_DESTROY_SRQ,
+				 HNS_ROCE_CMD_DESTROY_SRQ,
 				 HNS_ROCE_CMD_TIMEOUT_MSECS);
 }