diff options
Diffstat (limited to 'qemu-char.h')
| -rw-r--r-- | qemu-char.h | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/qemu-char.h b/qemu-char.h deleted file mode 100644 index baa5d035fd..0000000000 --- a/qemu-char.h +++ /dev/null @@ -1,254 +0,0 @@ -#ifndef QEMU_CHAR_H -#define QEMU_CHAR_H - -#include "qemu-common.h" -#include "qemu/queue.h" -#include "qemu/option.h" -#include "qemu/config-file.h" -#include "block/aio.h" -#include "qapi/qmp/qobject.h" -#include "qapi/qmp/qstring.h" -#include "qemu/main-loop.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); - int (*chr_add_client)(struct CharDriverState *chr, int fd); - IOEventHandler *chr_event; - IOCanReadHandler *chr_can_read; - IOReadHandler *chr_read; - void *handler_opaque; - void (*chr_close)(struct CharDriverState *chr); - void (*chr_accept_input)(struct CharDriverState *chr); - void (*chr_set_echo)(struct CharDriverState *chr, bool echo); - void (*chr_guest_open)(struct CharDriverState *chr); - void (*chr_guest_close)(struct CharDriverState *chr); - void *opaque; - QEMUTimer *open_timer; - char *label; - char *filename; - int opened; - int avail_connections; - QTAILQ_ENTRY(CharDriverState) next; -}; - -/** - * @qemu_chr_new_from_opts: - * - * Create a new character backend from a QemuOpts list. - * - * @opts see qemu-config.c for a list of valid options - * @init not sure.. - * - * Returns: a new character backend - */ -CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, - void (*init)(struct CharDriverState *s)); - -/** - * @qemu_chr_new: - * - * Create a new character backend from a URI. - * - * @label the name of the backend - * @filename the URI - * @init not sure.. - * - * Returns: a new character backend - */ -CharDriverState *qemu_chr_new(const char *label, const char *filename, - void (*init)(struct CharDriverState *s)); - -/** - * @qemu_chr_delete: - * - * Destroy a character backend. - */ -void qemu_chr_delete(CharDriverState *chr); - -/** - * @qemu_chr_fe_set_echo: - * - * Ask the backend to override its normal echo setting. This only really - * applies to the stdio backend and is used by the QMP server such that you - * can see what you type if you try to type QMP commands. - * - * @echo true to enable echo, false to disable echo - */ -void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo); - -/** - * @qemu_chr_fe_open: - * - * Open a character backend. This function call is an indication that the - * front end is ready to begin doing I/O. - */ -void qemu_chr_fe_open(struct CharDriverState *chr); - -/** - * @qemu_chr_fe_close: - * - * Close a character backend. This function call indicates that the front end - * no longer is able to process I/O. To process I/O again, the front end will - * call @qemu_chr_fe_open. - */ -void qemu_chr_fe_close(struct CharDriverState *chr); - -/** - * @qemu_chr_fe_printf: - * - * Write to a character backend using a printf style interface. - * - * @fmt see #printf - */ -void qemu_chr_fe_printf(CharDriverState *s, const char *fmt, ...) - GCC_FMT_ATTR(2, 3); - -/** - * @qemu_chr_fe_write: - * - * Write data to a character backend from the front end. This function will - * send data from the front end to the back end. - * - * @buf the data - * @len the number of bytes to send - * - * Returns: the number of bytes consumed - */ -int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len); - -/** - * @qemu_chr_fe_ioctl: - * - * Issue a device specific ioctl to a backend. - * - * @cmd see CHR_IOCTL_* - * @arg the data associated with @cmd - * - * Returns: if @cmd is not supported by the backend, -ENOTSUP, otherwise the - * return value depends on the semantics of @cmd - */ -int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg); - -/** - * @qemu_chr_fe_get_msgfd: - * - * For backends capable of fd passing, return the latest file descriptor passed - * by a client. - * - * Returns: -1 if fd passing isn't supported or there is no pending file - * descriptor. If a file descriptor is returned, subsequent calls to - * this function will return -1 until a client sends a new file - * descriptor. - */ -int qemu_chr_fe_get_msgfd(CharDriverState *s); - -/** - * @qemu_chr_be_can_write: - * - * Determine how much data the front end can currently accept. This function - * returns the number of bytes the front end can accept. If it returns 0, the - * front end cannot receive data at the moment. The function must be polled - * to determine when data can be received. - * - * Returns: the number of bytes the front end can receive via @qemu_chr_be_write - */ -int qemu_chr_be_can_write(CharDriverState *s); - -/** - * @qemu_chr_be_write: - * - * Write data from the back end to the front end. Before issuing this call, - * the caller should call @qemu_chr_be_can_write to determine how much data - * the front end can currently accept. - * - * @buf a buffer to receive data from the front end - * @len the number of bytes to receive from the front end - */ -void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len); - - -/** - * @qemu_chr_be_event: - * - * Send an event from the back end to the front end. - * - * @event the event to send - */ -void qemu_chr_be_event(CharDriverState *s, int event); - -void qemu_chr_add_handlers(CharDriverState *s, - IOCanReadHandler *fd_can_read, - IOReadHandler *fd_read, - IOEventHandler *fd_event, - void *opaque); - -void qemu_chr_generic_open(CharDriverState *s); -void qemu_chr_accept_input(CharDriverState *s); -int qemu_chr_add_client(CharDriverState *s, int fd); -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); - -QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename); - -/* 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); - -CharDriverState *qemu_char_get_next_serial(void); - -#endif |