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path: root/drivers/net/ethernet/intel/ice/ice_lib.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lib.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lib.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index 357c5d39913d..1c636f4bb4fc 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -3218,6 +3218,34 @@ bool ice_is_reset_in_progress(unsigned long *state)
test_bit(ICE_GLOBR_REQ, state);
}
+/**
+ * ice_wait_for_reset - Wait for driver to finish reset and rebuild
+ * @pf: pointer to the PF structure
+ * @timeout: length of time to wait, in jiffies
+ *
+ * Wait (sleep) for a short time until the driver finishes cleaning up from
+ * a device reset. The caller must be able to sleep. Use this to delay
+ * operations that could fail while the driver is cleaning up after a device
+ * reset.
+ *
+ * Returns 0 on success, -EBUSY if the reset is not finished within the
+ * timeout, and -ERESTARTSYS if the thread was interrupted.
+ */
+int ice_wait_for_reset(struct ice_pf *pf, unsigned long timeout)
+{
+ long ret;
+
+ ret = wait_event_interruptible_timeout(pf->reset_wait_queue,
+ !ice_is_reset_in_progress(pf->state),
+ timeout);
+ if (ret < 0)
+ return ret;
+ else if (!ret)
+ return -EBUSY;
+ else
+ return 0;
+}
+
#ifdef CONFIG_DCB
/**
* ice_vsi_update_q_map - update our copy of the VSI info with new queue map