diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_adminq.h')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_adminq.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_adminq.h b/drivers/net/ethernet/google/gve/gve_adminq.h index b860b0d69393..4dfa06edc0f8 100644 --- a/drivers/net/ethernet/google/gve/gve_adminq.h +++ b/drivers/net/ethernet/google/gve/gve_adminq.h @@ -13,6 +13,12 @@ enum gve_adminq_opcodes { GVE_ADMINQ_DESCRIBE_DEVICE = 0x1, GVE_ADMINQ_CONFIGURE_DEVICE_RESOURCES = 0x2, + GVE_ADMINQ_REGISTER_PAGE_LIST = 0x3, + GVE_ADMINQ_UNREGISTER_PAGE_LIST = 0x4, + GVE_ADMINQ_CREATE_TX_QUEUE = 0x5, + GVE_ADMINQ_CREATE_RX_QUEUE = 0x6, + GVE_ADMINQ_DESTROY_TX_QUEUE = 0x7, + GVE_ADMINQ_DESTROY_RX_QUEUE = 0x8, GVE_ADMINQ_DECONFIGURE_DEVICE_RESOURCES = 0x9, GVE_ADMINQ_SET_DRIVER_PARAMETER = 0xB, }; @@ -89,6 +95,70 @@ struct gve_adminq_configure_device_resources { static_assert(sizeof(struct gve_adminq_configure_device_resources) == 32); +struct gve_adminq_register_page_list { + __be32 page_list_id; + __be32 num_pages; + __be64 page_address_list_addr; +}; + +static_assert(sizeof(struct gve_adminq_register_page_list) == 16); + +struct gve_adminq_unregister_page_list { + __be32 page_list_id; +}; + +static_assert(sizeof(struct gve_adminq_unregister_page_list) == 4); + +struct gve_adminq_create_tx_queue { + __be32 queue_id; + __be32 reserved; + __be64 queue_resources_addr; + __be64 tx_ring_addr; + __be32 queue_page_list_id; + __be32 ntfy_id; +}; + +static_assert(sizeof(struct gve_adminq_create_tx_queue) == 32); + +struct gve_adminq_create_rx_queue { + __be32 queue_id; + __be32 index; + __be32 reserved; + __be32 ntfy_id; + __be64 queue_resources_addr; + __be64 rx_desc_ring_addr; + __be64 rx_data_ring_addr; + __be32 queue_page_list_id; + u8 padding[4]; +}; + +static_assert(sizeof(struct gve_adminq_create_rx_queue) == 48); + +/* Queue resources that are shared with the device */ +struct gve_queue_resources { + union { + struct { + __be32 db_index; /* Device -> Guest */ + __be32 counter_index; /* Device -> Guest */ + }; + u8 reserved[64]; + }; +}; + +static_assert(sizeof(struct gve_queue_resources) == 64); + +struct gve_adminq_destroy_tx_queue { + __be32 queue_id; +}; + +static_assert(sizeof(struct gve_adminq_destroy_tx_queue) == 4); + +struct gve_adminq_destroy_rx_queue { + __be32 queue_id; +}; + +static_assert(sizeof(struct gve_adminq_destroy_rx_queue) == 4); + /* GVE Set Driver Parameter Types */ enum gve_set_driver_param_types { GVE_SET_PARAM_MTU = 0x1, @@ -109,7 +179,13 @@ union gve_adminq_command { union { struct gve_adminq_configure_device_resources configure_device_resources; + struct gve_adminq_create_tx_queue create_tx_queue; + struct gve_adminq_create_rx_queue create_rx_queue; + struct gve_adminq_destroy_tx_queue destroy_tx_queue; + struct gve_adminq_destroy_rx_queue destroy_rx_queue; struct gve_adminq_describe_device describe_device; + struct gve_adminq_register_page_list reg_page_list; + struct gve_adminq_unregister_page_list unreg_page_list; struct gve_adminq_set_driver_parameter set_driver_param; }; }; @@ -130,5 +206,12 @@ int gve_adminq_configure_device_resources(struct gve_priv *priv, dma_addr_t db_array_bus_addr, u32 num_ntfy_blks); int gve_adminq_deconfigure_device_resources(struct gve_priv *priv); +int gve_adminq_create_tx_queue(struct gve_priv *priv, u32 queue_id); +int gve_adminq_destroy_tx_queue(struct gve_priv *priv, u32 queue_id); +int gve_adminq_create_rx_queue(struct gve_priv *priv, u32 queue_id); +int gve_adminq_destroy_rx_queue(struct gve_priv *priv, u32 queue_id); +int gve_adminq_register_page_list(struct gve_priv *priv, + struct gve_queue_page_list *qpl); +int gve_adminq_unregister_page_list(struct gve_priv *priv, u32 page_list_id); int gve_adminq_set_mtu(struct gve_priv *priv, u64 mtu); #endif /* _GVE_ADMINQ_H */ |