X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fvirtio%2Fvirtio_pci.h;h=18caebdd75ca2189487a65b84d3d67636deea519;hb=112891cd27e59f8149bc4a6512dd8914dc85aa3a;hp=a06d9132efee1e53622193efe8c97446376bcc66;hpb=4c7903658f6b5a8f4901224ef405445541b91e4a;p=dpdk.git diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h index a06d9132ef..18caebdd75 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. */ @@ -138,6 +139,7 @@ struct virtnet_ctl; #define VIRTIO_RING_F_INDIRECT_DESC 28 #define VIRTIO_F_VERSION_1 32 +#define VIRTIO_F_IOMMU_PLATFORM 33 /* * Some VirtIO feature bits (currently bits 28 through 31) are @@ -145,7 +147,7 @@ struct virtnet_ctl; * rest are per-device feature bits. */ #define VIRTIO_TRANSPORT_F_START 28 -#define VIRTIO_TRANSPORT_F_END 32 +#define VIRTIO_TRANSPORT_F_END 34 /* The Guest publishes the used index for which it expects an interrupt * at the end of the avail ring. Host should ignore the avail->flags field. */ @@ -159,7 +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 @@ -234,6 +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); @@ -244,27 +250,45 @@ 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_tx_queues; - uint32_t max_rx_queues; + 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 started; uint8_t modern; uint8_t use_simple_rxtx; + uint8_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 @@ -276,6 +300,7 @@ 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)); /* @@ -296,8 +321,7 @@ 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 *); @@ -313,6 +337,8 @@ 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); +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_ */