X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_pci.h;h=5f3b6c8db4ad587ab6a4e4ed660cdd046b1c8e82;hb=bb12152c9d5bacd984f5a0a783327b4e3cb65c70;hp=5373e390fcb39aa36a6b4ee3eee8b078ec8ba0e2;hpb=f5880e1f29c2643a284043bcae7ec440f31a9d61;p=dpdk.git diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h index 5373e390fc..5f3b6c8db4 100644 --- a/drivers/net/virtio/virtio_pci.h +++ b/drivers/net/virtio/virtio_pci.h @@ -106,6 +106,7 @@ struct virtnet_ctl; /* The feature bitmap for virtio net */ #define VIRTIO_NET_F_CSUM 0 /* Host handles pkts w/ partial csum */ #define VIRTIO_NET_F_GUEST_CSUM 1 /* Guest handles pkts w/ partial csum */ +#define VIRTIO_NET_F_MTU 3 /* Initial MTU advice. */ #define VIRTIO_NET_F_MAC 5 /* Host has given MAC address. */ #define VIRTIO_NET_F_GUEST_TSO4 7 /* Guest can handle TSOv4 in. */ #define VIRTIO_NET_F_GUEST_TSO6 8 /* Guest can handle TSOv6 in. */ @@ -160,7 +161,8 @@ struct virtnet_ctl; /* * Maximum number of virtqueues per device. */ -#define VIRTIO_MAX_VIRTQUEUES 8 +#define VIRTIO_MAX_VIRTQUEUE_PAIRS 8 +#define VIRTIO_MAX_VIRTQUEUES (VIRTIO_MAX_VIRTQUEUE_PAIRS * 2 + 1) /* Common configuration */ #define VIRTIO_PCI_CAP_COMMON_CFG 1 @@ -235,6 +237,9 @@ struct virtio_pci_ops { uint16_t (*set_config_irq)(struct virtio_hw *hw, uint16_t vec); + uint16_t (*set_queue_irq)(struct virtio_hw *hw, struct virtqueue *vq, + uint16_t vec); + uint16_t (*get_queue_num)(struct virtio_hw *hw, uint16_t queue_id); int (*setup_queue)(struct virtio_hw *hw, struct virtqueue *vq); void (*del_queue)(struct virtio_hw *hw, struct virtqueue *vq); @@ -245,28 +250,46 @@ struct virtio_net_config; struct virtio_hw { struct virtnet_ctl *cvq; - struct rte_pci_ioport io; uint64_t req_guest_features; uint64_t guest_features; uint32_t max_queue_pairs; + uint16_t started; + uint16_t max_mtu; uint16_t vtnet_hdr_size; uint8_t vlan_strip; uint8_t use_msix; uint8_t modern; - uint8_t use_simple_rxtx; + uint8_t use_simple_rx; + uint8_t use_simple_tx; + uint16_t port_id; uint8_t mac_addr[ETHER_ADDR_LEN]; uint32_t notify_off_multiplier; uint8_t *isr; uint16_t *notify_base; - struct rte_pci_device *dev; struct virtio_pci_common_cfg *common_cfg; struct virtio_net_config *dev_cfg; - const struct virtio_pci_ops *vtpci_ops; void *virtio_user_dev; struct virtqueue **vqs; }; + +/* + * While virtio_hw is stored in shared memory, this structure stores + * some infos that may vary in the multiple process model locally. + * For example, the vtpci_ops pointer. + */ +struct virtio_hw_internal { + const struct virtio_pci_ops *vtpci_ops; + struct rte_pci_ioport io; +}; + +#define VTPCI_OPS(hw) (virtio_hw_internal[(hw)->port_id].vtpci_ops) +#define VTPCI_IO(hw) (&virtio_hw_internal[(hw)->port_id].io) + +extern struct virtio_hw_internal virtio_hw_internal[RTE_MAX_ETHPORTS]; + + /* * This structure is just a reference to read * net device specific config space; it just a chodu structure @@ -278,6 +301,7 @@ struct virtio_net_config { /* See VIRTIO_NET_F_STATUS and VIRTIO_NET_S_* above */ uint16_t status; uint16_t max_virtqueue_pairs; + uint16_t mtu; } __attribute__((packed)); /* @@ -298,8 +322,7 @@ vtpci_with_feature(struct virtio_hw *hw, uint64_t bit) /* * Function declaration from virtio_pci.c */ -int vtpci_init(struct rte_pci_device *, struct virtio_hw *, - uint32_t *dev_flags); +int vtpci_init(struct rte_pci_device *dev, struct virtio_hw *hw); void vtpci_reset(struct virtio_hw *); void vtpci_reinit_complete(struct virtio_hw *); @@ -315,12 +338,8 @@ void vtpci_read_dev_config(struct virtio_hw *, size_t, void *, int); uint8_t vtpci_isr(struct virtio_hw *); -uint16_t vtpci_irq_config(struct virtio_hw *, uint16_t); - -static inline struct rte_intr_handle * -vtpci_intr_handle(struct virtio_hw *hw) -{ - return hw->dev ? &hw->dev->intr_handle : NULL; -} +extern const struct virtio_pci_ops legacy_ops; +extern const struct virtio_pci_ops modern_ops; +extern const struct virtio_pci_ops virtio_user_ops; #endif /* _VIRTIO_PCI_H_ */