RDMA/hns: Fix the wrong type of parameter "op" of the mailbox

The "op" field of the mailbox occupies 8 bits, so the parameter "op"
should be of type u8.

Link: https://lore.kernel.org/r/20220302064830.61706-5-liangwenpeng@huawei.comSigned-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

@@ -39,7 +39,7 @@
 #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, u16 op,
+				     u64 out_param, u32 in_modifier, u8 op,
 				     u16 token, int event)
 {
 	return hr_dev->hw->post_mbox(hr_dev, in_param, out_param, in_modifier,
@@ -49,7 +49,7 @@ static int hns_roce_cmd_mbox_post_hw(struct hns_roce_dev *hr_dev, u64 in_param,
 /* 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,
-				    u16 op)
+				    u8 op)
 {
 	int ret;
 
@@ -67,7 +67,7 @@ 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,
-				  u16 op)
+				  u8 op)
 {
 	int ret;
 
@@ -99,7 +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,
-				    u16 op)
+				    u8 op)
 {
 	struct hns_roce_cmdq *cmd = &hr_dev->cmd;
 	struct hns_roce_cmd_context *context;
@@ -149,7 +149,7 @@ 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,
-				  u16 op)
+				  u8 op)
 {
 	int ret;
 
@@ -162,7 +162,7 @@ static int hns_roce_cmd_mbox_wait(struct hns_roce_dev *hr_dev, u64 in_param,
 }
 
 int hns_roce_cmd_mbox(struct hns_roce_dev *hr_dev, u64 in_param, u64 out_param,
-		      unsigned long in_modifier, u16 op)
+		      unsigned long in_modifier, u8 op)
 {
 	bool is_busy;
 

drivers/infiniband/hw/hns/hns_roce_cmd.h

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

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, u16 op,
+			 u64 out_param, u32 in_modifier, u8 op,
 			 u16 token, int event);
 	int (*poll_mbox_done)(struct hns_roce_dev *hr_dev);
 	bool (*chk_mbox_avail)(struct hns_roce_dev *hr_dev, bool *is_busy);
@@ -872,10 +872,10 @@ struct hns_roce_hw {
 			  struct hns_roce_cq *hr_cq, void *mb_buf, u64 *mtts,
 			  dma_addr_t dma_handle);
 	int (*set_hem)(struct hns_roce_dev *hr_dev,
-		       struct hns_roce_hem_table *table, int obj, int step_idx);
+		       struct hns_roce_hem_table *table, int obj, u32 step_idx);
 	int (*clear_hem)(struct hns_roce_dev *hr_dev,
 			 struct hns_roce_hem_table *table, int obj,
-			 int step_idx);
+			 u32 step_idx);
 	int (*modify_qp)(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
 			 int attr_mask, enum ib_qp_state cur_state,
 			 enum ib_qp_state new_state);

drivers/infiniband/hw/hns/hns_roce_hem.c

@@ -488,7 +488,7 @@ static int set_mhop_hem(struct hns_roce_dev *hr_dev,
 			struct hns_roce_hem_index *index)
 {
 	struct ib_device *ibdev = &hr_dev->ib_dev;
-	int step_idx;
+	u32 step_idx;
 	int ret = 0;
 
 	if (index->inited & HEM_INDEX_L0) {
@@ -618,7 +618,7 @@ static void clear_mhop_hem(struct hns_roce_dev *hr_dev,
 	struct ib_device *ibdev = &hr_dev->ib_dev;
 	u32 hop_num = mhop->hop_num;
 	u32 chunk_ba_num;
-	int step_idx;
+	u32 step_idx;
 
 	index->inited = HEM_INDEX_BUF;
 	chunk_ba_num = mhop->bt_chunk_size / BA_BYTE_LEN;

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

@@ -1345,7 +1345,7 @@ static int hns_roce_cmq_send(struct hns_roce_dev *hr_dev,
 }
 
 static int config_hem_ba_to_hw(struct hns_roce_dev *hr_dev, unsigned long obj,
-			       dma_addr_t base_addr, u16 op)
+			       dma_addr_t base_addr, u8 op)
 {
 	struct hns_roce_cmd_mailbox *mbox = hns_roce_alloc_cmd_mailbox(hr_dev);
 	int 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,
-			      u16 op, u16 token, int event)
+			      u8 op, u16 token, int event)
 {
 	struct hns_roce_cmq_desc desc;
 	struct hns_roce_post_mbox *mb = (struct hns_roce_post_mbox *)desc.data;
@@ -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,
-			u16 op, u16 token, int event)
+			u8 op, u16 token, int event)
 {
 	u8 status = 0;
 	int ret;
@@ -3818,9 +3818,9 @@ static int hns_roce_v2_poll_cq(struct ib_cq *ibcq, int num_entries,
 }
 
 static int get_op_for_set_hem(struct hns_roce_dev *hr_dev, u32 type,
-			      int step_idx, u16 *mbox_op)
+			      u32 step_idx, u8 *mbox_op)
 {
-	u16 op;
+	u8 op;
 
 	switch (type) {
 	case HEM_TYPE_QPC:
@@ -3872,10 +3872,10 @@ static int config_gmv_ba_to_hw(struct hns_roce_dev *hr_dev, unsigned long obj,
 }
 
 static int set_hem_to_hw(struct hns_roce_dev *hr_dev, int obj,
-			 dma_addr_t base_addr, u32 hem_type, int step_idx)
+			 dma_addr_t base_addr, u32 hem_type, u32 step_idx)
 {
 	int ret;
-	u16 op;
+	u8 op;
 
 	if (unlikely(hem_type == HEM_TYPE_GMV))
 		return config_gmv_ba_to_hw(hr_dev, obj, base_addr);
@@ -3892,7 +3892,7 @@ static int set_hem_to_hw(struct hns_roce_dev *hr_dev, int obj,
 
 static int hns_roce_v2_set_hem(struct hns_roce_dev *hr_dev,
 			       struct hns_roce_hem_table *table, int obj,
-			       int step_idx)
+			       u32 step_idx)
 {
 	struct hns_roce_hem_iter iter;
 	struct hns_roce_hem_mhop mhop;
@@ -3951,12 +3951,12 @@ static int hns_roce_v2_set_hem(struct hns_roce_dev *hr_dev,
 
 static int hns_roce_v2_clear_hem(struct hns_roce_dev *hr_dev,
 				 struct hns_roce_hem_table *table, int obj,
-				 int step_idx)
+				 u32 step_idx)
 {
-	struct device *dev = hr_dev->dev;
 	struct hns_roce_cmd_mailbox *mailbox;
+	struct device *dev = hr_dev->dev;
+	u8 op = 0xff;
 	int ret;
-	u16 op = 0xff;
 
 	if (!hns_roce_check_whether_mhop(hr_dev, table->type))
 		return 0;
@@ -5975,8 +5975,7 @@ static int alloc_eq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_eq *eq)
 }
 
 static int hns_roce_v2_create_eq(struct hns_roce_dev *hr_dev,
-				 struct hns_roce_eq *eq,
-				 unsigned int eq_cmd)
+				 struct hns_roce_eq *eq, u8 eq_cmd)
 {
 	struct hns_roce_cmd_mailbox *mailbox;
 	int ret;
@@ -6105,14 +6104,14 @@ static int hns_roce_v2_init_eq_table(struct hns_roce_dev *hr_dev)
 	struct hns_roce_eq_table *eq_table = &hr_dev->eq_table;
 	struct device *dev = hr_dev->dev;
 	struct hns_roce_eq *eq;
-	unsigned int eq_cmd;
-	int irq_num;
-	int eq_num;
 	int other_num;
 	int comp_num;
 	int aeq_num;
-	int i;
+	int irq_num;
+	int eq_num;
+	u8 eq_cmd;
 	int ret;
+	int i;
 
 	other_num = hr_dev->caps.num_other_vectors;
 	comp_num = hr_dev->caps.num_comp_vectors;