projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 31610434 RR |
1 | #ifndef _LINUX_VIRTIO_CONSOLE_H |
| 2 | #define _LINUX_VIRTIO_CONSOLE_H | |
| 86973254 | 3 | #include <linux/types.h> |
| e95646c3 | 4 | #include <linux/virtio_ids.h> |
| 31610434 | 5 | #include <linux/virtio_config.h> |
| a23ea924 RR |
6 | /* |
| 7 | * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so | |
| 8 | * anyone can use the definitions to implement compatible drivers/servers. | |
| 17634ba2 AS |
9 | * |
| 10 | * Copyright (C) Red Hat, Inc., 2009, 2010 | |
| a23ea924 | 11 | */ |
| 31610434 | 12 | |
| c2983458 CB |
13 | /* Feature bits */ |
| 14 | #define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */ | |
| 17634ba2 | 15 | #define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */ |
| c2983458 CB |
16 | |
| 17 | struct virtio_console_config { | |
| 18 | /* colums of the screens */ | |
| 19 | __u16 cols; | |
| 20 | /* rows of the screens */ | |
| 21 | __u16 rows; | |
| 17634ba2 AS |
22 | /* max. number of ports this device can hold */ |
| 23 | __u32 max_nr_ports; | |
| 24 | /* number of ports added so far */ | |
| 25 | __u32 nr_ports; | |
| c2983458 CB |
26 | } __attribute__((packed)); |
| 27 | ||
| 17634ba2 AS |
28 | /* |
| 29 | * A message that's passed between the Host and the Guest for a | |
| 30 | * particular port. | |
| 31 | */ | |
| 32 | struct virtio_console_control { | |
| 33 | __u32 id; /* Port number */ | |
| 34 | __u16 event; /* The kind of control event (see below) */ | |
| 35 | __u16 value; /* Extra information for the key */ | |
| 36 | }; | |
| 37 | ||
| 38 | /* Some events for control messages */ | |
| 39 | #define VIRTIO_CONSOLE_PORT_READY 0 | |
| 40 | #define VIRTIO_CONSOLE_CONSOLE_PORT 1 | |
| 41 | #define VIRTIO_CONSOLE_RESIZE 2 | |
| 2030fa49 | 42 | #define VIRTIO_CONSOLE_PORT_OPEN 3 |
| 431edb8a | 43 | #define VIRTIO_CONSOLE_PORT_NAME 4 |
| 1f7aa42d | 44 | #define VIRTIO_CONSOLE_PORT_REMOVE 5 |
| c2983458 | 45 | |
| 31610434 RR |
46 | #ifdef __KERNEL__ |
| 47 | int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int)); | |
| 48 | #endif /* __KERNEL__ */ | |
| 49 | ||
| 50 | #endif /* _LINUX_VIRTIO_CONSOLE_H */ |