1 #ifndef QEMU_CHAR_H 2 #define QEMU_CHAR_H 3 4 #include "qemu-common.h" 5 #include "qemu-queue.h" 6 7 /* character device */ 8 9 #define CHR_EVENT_BREAK 0 /* serial break char */ 10 #define CHR_EVENT_FOCUS 1 /* focus to this terminal (modal input needed) */ 11 #define CHR_EVENT_OPENED 2 /* new connection established */ 12 #define CHR_EVENT_MUX_IN 3 /* mux-focus was set to this terminal */ 13 #define CHR_EVENT_MUX_OUT 4 /* mux-focus will move on */ 14 #define CHR_EVENT_CLOSED 5 /* connection closed */ 15 16 17 #define CHR_IOCTL_SERIAL_SET_PARAMS 1 18 typedef struct { 19 int speed; 20 int parity; 21 int data_bits; 22 int stop_bits; 23 } QEMUSerialSetParams; 24 25 #define CHR_IOCTL_SERIAL_SET_BREAK 2 26 27 #define CHR_IOCTL_PP_READ_DATA 3 28 #define CHR_IOCTL_PP_WRITE_DATA 4 29 #define CHR_IOCTL_PP_READ_CONTROL 5 30 #define CHR_IOCTL_PP_WRITE_CONTROL 6 31 #define CHR_IOCTL_PP_READ_STATUS 7 32 #define CHR_IOCTL_PP_EPP_READ_ADDR 8 33 #define CHR_IOCTL_PP_EPP_READ 9 34 #define CHR_IOCTL_PP_EPP_WRITE_ADDR 10 35 #define CHR_IOCTL_PP_EPP_WRITE 11 36 #define CHR_IOCTL_PP_DATA_DIR 12 37 38 #define CHR_IOCTL_SERIAL_SET_TIOCM 13 39 #define CHR_IOCTL_SERIAL_GET_TIOCM 14 40 41 #define CHR_TIOCM_CTS 0x020 42 #define CHR_TIOCM_CAR 0x040 43 #define CHR_TIOCM_DSR 0x100 44 #define CHR_TIOCM_RI 0x080 45 #define CHR_TIOCM_DTR 0x002 46 #define CHR_TIOCM_RTS 0x004 47 48 typedef void IOEventHandler(void *opaque, int event); 49 50 struct CharDriverState { 51 void (*init)(struct CharDriverState *s); 52 int (*chr_write)(struct CharDriverState *s, const uint8_t *buf, int len); 53 void (*chr_update_read_handler)(struct CharDriverState *s); 54 int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg); 55 IOEventHandler *chr_event; 56 IOCanRWHandler *chr_can_read; 57 IOReadHandler *chr_read; 58 void *handler_opaque; 59 void (*chr_send_event)(struct CharDriverState *chr, int event); 60 void (*chr_close)(struct CharDriverState *chr); 61 void (*chr_accept_input)(struct CharDriverState *chr); 62 void *opaque; 63 int focus; 64 QEMUBH *bh; 65 char *label; 66 char *filename; 67 QTAILQ_ENTRY(CharDriverState) next; 68 }; 69 70 CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s)); 71 void qemu_chr_close(CharDriverState *chr); 72 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...); 73 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len); 74 void qemu_chr_send_event(CharDriverState *s, int event); 75 void qemu_chr_add_handlers(CharDriverState *s, 76 IOCanRWHandler *fd_can_read, 77 IOReadHandler *fd_read, 78 IOEventHandler *fd_event, 79 void *opaque); 80 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg); 81 void qemu_chr_reset(CharDriverState *s); 82 void qemu_chr_initial_reset(void); 83 int qemu_chr_can_read(CharDriverState *s); 84 void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len); 85 void qemu_chr_accept_input(CharDriverState *s); 86 void qemu_chr_info(Monitor *mon); 87 88 extern int term_escape_char; 89 90 /* async I/O support */ 91 92 int qemu_set_fd_handler2(int fd, 93 IOCanRWHandler *fd_read_poll, 94 IOHandler *fd_read, 95 IOHandler *fd_write, 96 void *opaque); 97 int qemu_set_fd_handler(int fd, 98 IOHandler *fd_read, 99 IOHandler *fd_write, 100 void *opaque); 101 102 #endif 103