diff options
| author | Nikolay Nikolaev <n.nikolaev@virtualopensystems.com> | 2014-05-27 15:03:48 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-06-19 16:41:54 +0300 |
| commit | 7b0bfdf52d694c9a3a96505aa42ce3f8d63acd35 (patch) | |
| tree | ba5112e9386ab9cc4372aa5daa6df386a3874e64 /include | |
| parent | 69e03ae64ba01c4846425fb13e494bce3eedfa6b (diff) | |
Add chardev API qemu_chr_fe_read_all
This function will attempt to read data from the chardev trying
to fill the buffer up to the given length.
Add tcp_chr_disconnect to reuse disconnection code where needed.
Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sysemu/char.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/sysemu/char.h b/include/sysemu/char.h index 7f5eeb38b0..5281123c9a 100644 --- a/include/sysemu/char.h +++ b/include/sysemu/char.h @@ -56,6 +56,8 @@ typedef void IOEventHandler(void *opaque, int event); struct CharDriverState { void (*init)(struct CharDriverState *s); int (*chr_write)(struct CharDriverState *s, const uint8_t *buf, int len); + int (*chr_sync_read)(struct CharDriverState *s, + const uint8_t *buf, int len); GSource *(*chr_add_watch)(struct CharDriverState *s, GIOCondition cond); void (*chr_update_read_handler)(struct CharDriverState *s); int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg); @@ -189,6 +191,18 @@ int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len); int qemu_chr_fe_write_all(CharDriverState *s, const uint8_t *buf, int len); /** + * @qemu_chr_fe_read_all: + * + * Read data to a buffer from the back end. + * + * @buf the data buffer + * @len the number of bytes to read + * + * Returns: the number of bytes read + */ +int qemu_chr_fe_read_all(CharDriverState *s, uint8_t *buf, int len); + +/** * @qemu_chr_fe_ioctl: * * Issue a device specific ioctl to a backend. |