diff options
Diffstat (limited to 'qemu-char.h')
-rw-r--r-- | qemu-char.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/qemu-char.h b/qemu-char.h new file mode 100644 index 0000000000..56d9954c52 --- /dev/null +++ b/qemu-char.h @@ -0,0 +1,123 @@ +#ifndef QEMU_CHAR_H +#define QEMU_CHAR_H + +#include "qemu-common.h" +#include "qemu-queue.h" +#include "qemu-option.h" +#include "qemu-config.h" +#include "qobject.h" +#include "qstring.h" + +/* character device */ + +#define CHR_EVENT_BREAK 0 /* serial break char */ +#define CHR_EVENT_FOCUS 1 /* focus to this terminal (modal input needed) */ +#define CHR_EVENT_OPENED 2 /* new connection established */ +#define CHR_EVENT_MUX_IN 3 /* mux-focus was set to this terminal */ +#define CHR_EVENT_MUX_OUT 4 /* mux-focus will move on */ +#define CHR_EVENT_CLOSED 5 /* connection closed */ + + +#define CHR_IOCTL_SERIAL_SET_PARAMS 1 +typedef struct { + int speed; + int parity; + int data_bits; + int stop_bits; +} QEMUSerialSetParams; + +#define CHR_IOCTL_SERIAL_SET_BREAK 2 + +#define CHR_IOCTL_PP_READ_DATA 3 +#define CHR_IOCTL_PP_WRITE_DATA 4 +#define CHR_IOCTL_PP_READ_CONTROL 5 +#define CHR_IOCTL_PP_WRITE_CONTROL 6 +#define CHR_IOCTL_PP_READ_STATUS 7 +#define CHR_IOCTL_PP_EPP_READ_ADDR 8 +#define CHR_IOCTL_PP_EPP_READ 9 +#define CHR_IOCTL_PP_EPP_WRITE_ADDR 10 +#define CHR_IOCTL_PP_EPP_WRITE 11 +#define CHR_IOCTL_PP_DATA_DIR 12 + +#define CHR_IOCTL_SERIAL_SET_TIOCM 13 +#define CHR_IOCTL_SERIAL_GET_TIOCM 14 + +#define CHR_TIOCM_CTS 0x020 +#define CHR_TIOCM_CAR 0x040 +#define CHR_TIOCM_DSR 0x100 +#define CHR_TIOCM_RI 0x080 +#define CHR_TIOCM_DTR 0x002 +#define CHR_TIOCM_RTS 0x004 + +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); + void (*chr_update_read_handler)(struct CharDriverState *s); + int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg); + int (*get_msgfd)(struct CharDriverState *s); + IOEventHandler *chr_event; + IOCanReadHandler *chr_can_read; + IOReadHandler *chr_read; + void *handler_opaque; + void (*chr_send_event)(struct CharDriverState *chr, int event); + void (*chr_close)(struct CharDriverState *chr); + void (*chr_accept_input)(struct CharDriverState *chr); + void (*chr_set_echo)(struct CharDriverState *chr, bool echo); + void *opaque; + QEMUBH *bh; + char *label; + char *filename; + int opened; + QTAILQ_ENTRY(CharDriverState) next; +}; + +QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename); +CharDriverState *qemu_chr_open_opts(QemuOpts *opts, + void (*init)(struct CharDriverState *s)); +CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s)); +void qemu_chr_set_echo(struct CharDriverState *chr, bool echo); +void qemu_chr_close(CharDriverState *chr); +void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) + GCC_FMT_ATTR(2, 3); +int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len); +void qemu_chr_send_event(CharDriverState *s, int event); +void qemu_chr_add_handlers(CharDriverState *s, + IOCanReadHandler *fd_can_read, + IOReadHandler *fd_read, + IOEventHandler *fd_event, + void *opaque); +int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg); +void qemu_chr_generic_open(CharDriverState *s); +int qemu_chr_can_read(CharDriverState *s); +void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len); +int qemu_chr_get_msgfd(CharDriverState *s); +void qemu_chr_accept_input(CharDriverState *s); +void qemu_chr_info_print(Monitor *mon, const QObject *ret_data); +void qemu_chr_info(Monitor *mon, QObject **ret_data); +CharDriverState *qemu_chr_find(const char *name); + +/* add an eventfd to the qemu devices that are polled */ +CharDriverState *qemu_chr_open_eventfd(int eventfd); + +extern int term_escape_char; + +/* memory chardev */ +void qemu_chr_init_mem(CharDriverState *chr); +void qemu_chr_close_mem(CharDriverState *chr); +QString *qemu_chr_mem_to_qs(CharDriverState *chr); +size_t qemu_chr_mem_osize(const CharDriverState *chr); + +/* async I/O support */ + +int qemu_set_fd_handler2(int fd, + IOCanReadHandler *fd_read_poll, + IOHandler *fd_read, + IOHandler *fd_write, + void *opaque); +int qemu_set_fd_handler(int fd, + IOHandler *fd_read, + IOHandler *fd_write, + void *opaque); +#endif |