#define VIRTIO_PCI_ABI_VERSION 0
/*
- * VirtIO Header, located in BAR 0.
- */
-#define VIRTIO_PCI_HOST_FEATURES 0 /* host's supported features (32bit, RO) */
-#define VIRTIO_PCI_GUEST_FEATURES 4 /* guest's supported features (32, RW) */
-#define VIRTIO_PCI_QUEUE_PFN 8 /* physical address of VQ (32, RW) */
-#define VIRTIO_PCI_QUEUE_NUM 12 /* number of ring entries (16, RO) */
-#define VIRTIO_PCI_QUEUE_SEL 14 /* current VQ selection (16, RW) */
-#define VIRTIO_PCI_QUEUE_NOTIFY 16 /* notify host regarding VQ (16, RW) */
-#define VIRTIO_PCI_STATUS 18 /* device status register (8, RW) */
-#define VIRTIO_PCI_ISR 19 /* interrupt status register, reading
- * also clears the register (8, RO) */
-/* Only if MSIX is enabled: */
-#define VIRTIO_MSI_CONFIG_VECTOR 20 /* configuration change vector (16, RW) */
-#define VIRTIO_MSI_QUEUE_VECTOR 22 /* vector for selected VQ notifications
- (16, RW) */
-
-/*
+ * Vector value used to disable MSI for queue.
* define in include/linux/virtio_pci.h
* #define VIRTIO_MSI_NO_VECTOR 0xFFFF
*/
#define VIRTIO_PCI_ISR_INTR 0x1
/* The bit of the ISR which indicates a device configuration change. */
#define VIRTIO_PCI_ISR_CONFIG 0x2
-/* Vector value used to disable MSI for queue. */
/* VirtIO device IDs. */
#define VIRTIO_ID_NETWORK 0x01
* at the end of the used ring. Guest should ignore the used->flags field. */ \
_ (VHOST_USER_F_PROTOCOL_FEATURES, 30)
+#define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2
#define VIRTIO_NET_F_MTU 3
#define VIRTIO_NET_S_LINK_UP 1 /* Link is up */
#define VIRTIO_NET_S_ANNOUNCE 2 /* Announcement is needed */
+/*
+ * Control network offloads
+ * Reconfigures the network offloads that Guest can handle.
+ * Available with the VIRTIO_NET_F_CTRL_GUEST_OFFLOADS feature bit.
+ * Command data format matches the feature bit mask exactly.
+ * See VIRTIO_NET_F_GUEST_* for the list of offloads
+ * that can be enabled/disabled.
+ */
+#define VIRTIO_NET_CTRL_GUEST_OFFLOADS 5
+#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET 0
+
/* Common configuration */
#define VIRTIO_PCI_CAP_COMMON_CFG 1
/* Notifications */
#define VIRTIO_PCI_VRING_ALIGN 4096
-#define virtio_log_debug(vim, vif, f, ...) \
-{ \
- vlib_log(VLIB_LOG_LEVEL_DEBUG, vim->log_default, "%U: " f, \
- format_vlib_pci_addr, &vif->pci_addr, \
- ##__VA_ARGS__); \
-};
-
-#define virtio_log_warning(vim, vif, f, ...) \
-{ \
- vlib_log(VLIB_LOG_LEVEL_WARNING, vim->log_default, "%U: " f, \
- format_vlib_pci_addr, &vif->pci_addr, \
- ##__VA_ARGS__); \
-};
-
-#define virtio_log_error(vim, vif, f, ...) \
-{ \
- vlib_log(VLIB_LOG_LEVEL_ERR, vim->log_default, "%U: " f, \
- format_vlib_pci_addr, &vif->pci_addr, \
- ##__VA_ARGS__); \
-};
-
typedef enum
{
VIRTIO_MSIX_NONE = 0,
u32 queue_used_hi; /* read-write */
} virtio_pci_common_cfg_t;
+typedef struct
+{
+ u8 mac[6];
+ u16 status;
+ u16 max_virtqueue_pairs;
+ u16 mtu;
+} virtio_net_config_t;
+
typedef struct
{
u64 addr;
/* u16 avail_event; */
} vring_used_t;
+typedef struct _virtio_pci_func
+{
+ void (*read_config) (vlib_main_t * vm, virtio_if_t * vif, void *dst,
+ int len, u32 addr);
+ void (*write_config) (vlib_main_t * vm, virtio_if_t * vif, void *src,
+ int len, u32 addr);
+
+ u64 (*get_device_features) (vlib_main_t * vm, virtio_if_t * vif);
+ u64 (*get_driver_features) (vlib_main_t * vm, virtio_if_t * vif);
+ void (*set_driver_features) (vlib_main_t * vm, virtio_if_t * vif,
+ u64 features);
+
+ u8 (*get_status) (vlib_main_t * vm, virtio_if_t * vif);
+ void (*set_status) (vlib_main_t * vm, virtio_if_t * vif, u8 status);
+ u8 (*device_reset) (vlib_main_t * vm, virtio_if_t * vif);
+
+ u8 (*get_isr) (vlib_main_t * vm, virtio_if_t * vif);
+
+ u16 (*get_queue_size) (vlib_main_t * vm, virtio_if_t * vif, u16 queue_id);
+ void (*set_queue_size) (vlib_main_t * vm, virtio_if_t * vif, u16 queue_id,
+ u16 queue_size);
+ u8 (*setup_queue) (vlib_main_t * vm, virtio_if_t * vif, u16 queue_id,
+ void *p);
+ void (*del_queue) (vlib_main_t * vm, virtio_if_t * vif, u16 queue_id);
+ void (*notify_queue) (vlib_main_t * vm, virtio_if_t * vif, u16 queue_id);
+
+ u16 (*set_config_irq) (vlib_main_t * vm, virtio_if_t * vif, u16 vec);
+ u16 (*set_queue_irq) (vlib_main_t * vm, virtio_if_t * vif, u16 vec,
+ u16 queue_id);
+
+ void (*get_mac) (vlib_main_t * vm, virtio_if_t * vif);
+ void (*set_mac) (vlib_main_t * vm, virtio_if_t * vif);
+ u16 (*get_device_status) (vlib_main_t * vm, virtio_if_t * vif);
+ u16 (*get_max_queue_pairs) (vlib_main_t * vm, virtio_if_t * vif);
+ u16 (*get_mtu) (vlib_main_t * vm, virtio_if_t * vif);
+ void (*device_debug_config_space) (vlib_main_t * vm, virtio_if_t * vif);
+} virtio_pci_func_t;
+
typedef struct
{
u32 addr;
- u16 rxq_size;
- u16 txq_size;
/* return */
i32 rv;
u32 sw_if_index;
u8 mac_addr_set;
u8 mac_addr[6];
u64 features;
+ u8 gso_enabled;
+ u8 checksum_offload_enabled;
clib_error_t *error;
} virtio_pci_create_if_args_t;
-extern void debug_device_config_space (vlib_main_t * vm, virtio_if_t * vif);
+extern const virtio_pci_func_t virtio_pci_legacy_func;
+
extern void device_status (vlib_main_t * vm, virtio_if_t * vif);
void virtio_pci_create_if (vlib_main_t * vm,
virtio_pci_create_if_args_t * args);
int virtio_pci_delete_if (vlib_main_t * vm, virtio_if_t * ad);
-
+int virtio_pci_enable_disable_offloads (vlib_main_t * vm, virtio_if_t * vif,
+ int gso_enabled,
+ int checksum_offload_enabled,
+ int offloads_disabled);
#endif /* __included_virtio_pci_h__ */
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff