On Thu, Jun 16, 2016 at 10:35:14PM +0800, Lijun Ou wrote:Hi, Leon
This patch added the operation for cmd, and added some functions<...>
for initializing eq table and selecting cmd mode.
Signed-off-by: Wei Hu <xavier.huwei@xxxxxxxxxx>
Signed-off-by: Nenglong Zhao <zhaonenglong@xxxxxxxxxxxxx>
Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx>
---
PATCH v9/v8/v7/v6:
- No change over the PATCH v5
PATCH v5:
- The initial patch which was redesigned based on the second patch
in PATCH v4
---
+#define CMD_MAX_NUM 32<...>
+
+int hns_roce_cmd_init(struct hns_roce_dev *hr_dev)
+{
+ struct device *dev = &hr_dev->pdev->dev;
+
+ mutex_init(&hr_dev->cmd.hcr_mutex);
+ sema_init(&hr_dev->cmd.poll_sem, 1);
+ hr_dev->cmd.use_events = 0;
+ hr_dev->cmd.toggle = 1;
+ hr_dev->cmd.max_cmds = CMD_MAX_NUM;
+ for (hr_cmd->token_mask = 1; hr_cmd->token_mask < hr_cmd->max_cmds;It doesn't look that you dynamically change max_cmds supported.
+ hr_cmd->token_mask <<= 1)
+ ;
+ --hr_cmd->token_mask;
Why do you need to calculate token_mask dynamically?