Merge tag 'perf-tools-for-v5.15-2021-09-11' of git://git.kernel.org/pub/scm/linux...

[linux-2.6-microblaze.git] / drivers / misc / habanalabs / common / habanalabs_ioctl.c

diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c
index 33841c2..86c3257 100644 (file)
--- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c
+++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c
@@ -94,8 +94,10 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args)
 
        hw_ip.first_available_interrupt_id =
                        prop->first_available_user_msix_interrupt;
+       hw_ip.server_type = prop->server_type;
+
        return copy_to_user(out, &hw_ip,
-               min((size_t)size, sizeof(hw_ip))) ? -EFAULT : 0;
+               min((size_t) size, sizeof(hw_ip))) ? -EFAULT : 0;
 }
 
 static int hw_events_info(struct hl_device *hdev, bool aggregate,
@@ -460,6 +462,24 @@ static int power_info(struct hl_fpriv *hpriv, struct hl_info_args *args)
                min((size_t) max_size, sizeof(power_info))) ? -EFAULT : 0;
 }
 
+static int open_stats_info(struct hl_fpriv *hpriv, struct hl_info_args *args)
+{
+       struct hl_device *hdev = hpriv->hdev;
+       u32 max_size = args->return_size;
+       struct hl_open_stats_info open_stats_info = {0};
+       void __user *out = (void __user *) (uintptr_t) args->return_pointer;
+
+       if ((!max_size) || (!out))
+               return -EINVAL;
+
+       open_stats_info.last_open_period_ms = jiffies64_to_msecs(
+               hdev->last_open_session_duration_jif);
+       open_stats_info.open_counter = hdev->open_counter;
+
+       return copy_to_user(out, &open_stats_info,
+               min((size_t) max_size, sizeof(open_stats_info))) ? -EFAULT : 0;
+}
+
 static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data,
                                struct device *dev)
 {
@@ -543,6 +563,9 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data,
        case HL_INFO_POWER:
                return power_info(hpriv, args);
 
+       case HL_INFO_OPEN_STATS:
+               return open_stats_info(hpriv, args);
+
        default:
                dev_err(dev, "Invalid request %d\n", args->op);
                rc = -ENOTTY;