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authorCatherine Sullivan <csully@google.com>2019-07-01 15:57:54 -0700
committerDavid S. Miller <davem@davemloft.net>2019-07-01 19:36:35 -0700
commit9e5f7d26a4c087f34e540a5a6f853f8d93d51448 (patch)
tree778569d3aa02a5168efb26fa377a4f9e4919d300 /drivers/net/ethernet/google/gve/gve.h
parentf5cedc84a30d2d3d0e0a7f3eb53fbd66d9bf5517 (diff)
gve: Add workqueue and reset support
Add support for the workqueue to handle management interrupts and support for resets. Signed-off-by: Catherine Sullivan <csully@google.com> Signed-off-by: Sagi Shahar <sagis@google.com> Signed-off-by: Jon Olson <jonolson@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Reviewed-by: Luigi Rizzo <lrizzo@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve.h')
-rw-r--r--drivers/net/ethernet/google/gve/gve.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h
index 110ae46adc69..7960d5532078 100644
--- a/drivers/net/ethernet/google/gve/gve.h
+++ b/drivers/net/ethernet/google/gve/gve.h
@@ -205,9 +205,18 @@ struct gve_priv {
u32 adminq_mask; /* masks prod_cnt to adminq size */
u32 adminq_prod_cnt; /* free-running count of AQ cmds executed */
+ struct workqueue_struct *gve_wq;
+ struct work_struct service_task;
+ unsigned long service_task_flags;
unsigned long state_flags;
};
+enum gve_service_task_flags {
+ GVE_PRIV_FLAGS_DO_RESET = BIT(1),
+ GVE_PRIV_FLAGS_RESET_IN_PROGRESS = BIT(2),
+ GVE_PRIV_FLAGS_PROBE_IN_PROGRESS = BIT(3),
+};
+
enum gve_state_flags {
GVE_PRIV_FLAGS_ADMIN_QUEUE_OK = BIT(1),
GVE_PRIV_FLAGS_DEVICE_RESOURCES_OK = BIT(2),
@@ -215,6 +224,53 @@ enum gve_state_flags {
GVE_PRIV_FLAGS_NAPI_ENABLED = BIT(4),
};
+static inline bool gve_get_do_reset(struct gve_priv *priv)
+{
+ return test_bit(GVE_PRIV_FLAGS_DO_RESET, &priv->service_task_flags);
+}
+
+static inline void gve_set_do_reset(struct gve_priv *priv)
+{
+ set_bit(GVE_PRIV_FLAGS_DO_RESET, &priv->service_task_flags);
+}
+
+static inline void gve_clear_do_reset(struct gve_priv *priv)
+{
+ clear_bit(GVE_PRIV_FLAGS_DO_RESET, &priv->service_task_flags);
+}
+
+static inline bool gve_get_reset_in_progress(struct gve_priv *priv)
+{
+ return test_bit(GVE_PRIV_FLAGS_RESET_IN_PROGRESS,
+ &priv->service_task_flags);
+}
+
+static inline void gve_set_reset_in_progress(struct gve_priv *priv)
+{
+ set_bit(GVE_PRIV_FLAGS_RESET_IN_PROGRESS, &priv->service_task_flags);
+}
+
+static inline void gve_clear_reset_in_progress(struct gve_priv *priv)
+{
+ clear_bit(GVE_PRIV_FLAGS_RESET_IN_PROGRESS, &priv->service_task_flags);
+}
+
+static inline bool gve_get_probe_in_progress(struct gve_priv *priv)
+{
+ return test_bit(GVE_PRIV_FLAGS_PROBE_IN_PROGRESS,
+ &priv->service_task_flags);
+}
+
+static inline void gve_set_probe_in_progress(struct gve_priv *priv)
+{
+ set_bit(GVE_PRIV_FLAGS_PROBE_IN_PROGRESS, &priv->service_task_flags);
+}
+
+static inline void gve_clear_probe_in_progress(struct gve_priv *priv)
+{
+ clear_bit(GVE_PRIV_FLAGS_PROBE_IN_PROGRESS, &priv->service_task_flags);
+}
+
static inline bool gve_get_admin_queue_ok(struct gve_priv *priv)
{
return test_bit(GVE_PRIV_FLAGS_ADMIN_QUEUE_OK, &priv->state_flags);
@@ -390,4 +446,10 @@ int gve_rx_alloc_rings(struct gve_priv *priv);
void gve_rx_free_rings(struct gve_priv *priv);
bool gve_clean_rx_done(struct gve_rx_ring *rx, int budget,
netdev_features_t feat);
+/* Reset */
+void gve_schedule_reset(struct gve_priv *priv);
+int gve_reset(struct gve_priv *priv, bool attempt_teardown);
+int gve_adjust_queues(struct gve_priv *priv,
+ struct gve_queue_config new_rx_config,
+ struct gve_queue_config new_tx_config);
#endif /* _GVE_H_ */