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