| /* |
| * vNPlug CTRL (Virtio) |
| * |
| * Authors: |
| * |
| * Alfredo Cardigliano <cardigliano@ntop.org> |
| * |
| * This work is licensed under the terms of the GNU GPL version 2. |
| * |
| */ |
| |
| #ifndef VNPLUG_CTRL_H |
| #define VNPLUG_CTRL_H |
| |
| #include "virtio.h" |
| |
| #include "pci.h" |
| #define PCI_DEVICE_ID_VNPLUG_CTRL 0x100f |
| |
| /* The ID for vnplug_ctrl */ |
| #define VIRTIO_ID_VNPLUG_CTRL 15 |
| |
| |
| |
| /* The feature bitmap for vnplug-ctrl over virtio */ |
| #define VNPLUG_CTRL_STATUS 0 /* vnplug_ctrl_status available */ |
| |
| struct vnplug_ctrl_virtio_config |
| { |
| /* See VNPLUG_CTRL_STATUS feature bit */ |
| #define VNPLUG_CTRL_STATUS_UP 1 |
| uint16_t status; |
| |
| uint16_t padding; //I'm an alignment maniac :D |
| }; //__attribute__((packed)); |
| |
| |
| |
| struct vnplug_ctrl_msg_hdr { |
| #define VNPLUG_CTRL_MSG_FORWARD 0 /* Forward the message to the client identified by id */ |
| uint32_t type; |
| |
| uint32_t id; |
| |
| /* return values */ |
| /* positive values from handlers are forwarded to guest as they are */ |
| #define VNPLUG_CTRL_MSG_RET_SUCCESS 0 /* success if ret value >= this value */ |
| #define VNPLUG_CTRL_MSG_RET_CLIENT_NOT_FOUND -1 |
| #define VNPLUG_CTRL_MSG_RET_CLIENT_ERROR -2 |
| }; //__attribute__((packed)); |
| |
| |
| |
| /* TODO do we really need these here?*/ |
| VirtIODevice *vnplug_ctrl_init(DeviceState *dev); |
| void vnplug_ctrl_exit(VirtIODevice *vdev); |
| |
| #endif |
