diff options
| author | Catherine Sullivan <csully@google.com> | 2019-07-02 01:57:54 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-07-02 05:36:35 +0300 |
| commit | 9e5f7d26a4c087f34e540a5a6f853f8d93d51448 (patch) | |
| tree | 778569d3aa02a5168efb26fa377a4f9e4919d300 /drivers/net/ethernet/google/gve/gve.h | |
| parent | f5cedc84a30d2d3d0e0a7f3eb53fbd66d9bf5517 (diff) | |
| download | linux-9e5f7d26a4c087f34e540a5a6f853f8d93d51448.tar.xz | |
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.h | 62 |
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_ */ |