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path: root/drivers/nvme/target/tcp.c
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Diffstat (limited to 'drivers/nvme/target/tcp.c')
-rw-r--r--drivers/nvme/target/tcp.c34
1 files changed, 30 insertions, 4 deletions
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 66e8f9fd0ca7..ed98df72c76b 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -20,6 +20,31 @@
#define NVMET_TCP_DEF_INLINE_DATA_SIZE (4 * PAGE_SIZE)
+static int param_store_val(const char *str, int *val, int min, int max)
+{
+ int ret, new_val;
+
+ ret = kstrtoint(str, 10, &new_val);
+ if (ret)
+ return -EINVAL;
+
+ if (new_val < min || new_val > max)
+ return -EINVAL;
+
+ *val = new_val;
+ return 0;
+}
+
+static int set_params(const char *str, const struct kernel_param *kp)
+{
+ return param_store_val(str, kp->arg, 0, INT_MAX);
+}
+
+static const struct kernel_param_ops set_param_ops = {
+ .set = set_params,
+ .get = param_get_int,
+};
+
/* Define the socket priority to use for connections were it is desirable
* that the NIC consider performing optimized packet processing or filtering.
* A non-zero value being sufficient to indicate general consideration of any
@@ -27,8 +52,8 @@
* values that may be unique for some NIC implementations.
*/
static int so_priority;
-module_param(so_priority, int, 0644);
-MODULE_PARM_DESC(so_priority, "nvmet tcp socket optimize priority");
+device_param_cb(so_priority, &set_param_ops, &so_priority, 0644);
+MODULE_PARM_DESC(so_priority, "nvmet tcp socket optimize priority: Default 0");
/* Define a time period (in usecs) that io_work() shall sample an activated
* queue before determining it to be idle. This optional module behavior
@@ -36,9 +61,10 @@ MODULE_PARM_DESC(so_priority, "nvmet tcp socket optimize priority");
* using advanced interrupt moderation techniques.
*/
static int idle_poll_period_usecs;
-module_param(idle_poll_period_usecs, int, 0644);
+device_param_cb(idle_poll_period_usecs, &set_param_ops,
+ &idle_poll_period_usecs, 0644);
MODULE_PARM_DESC(idle_poll_period_usecs,
- "nvmet tcp io_work poll till idle time period in usecs");
+ "nvmet tcp io_work poll till idle time period in usecs: Default 0");
#define NVMET_TCP_RECV_BUDGET 8
#define NVMET_TCP_SEND_BUDGET 8