include/public/io/console.h - arch-riscv - Xen public headers

    /* SPDX-License-Identifier: MIT */
    /******************************************************************************
     * console.h
     *
     * Console I/O interface for Xen guest OSes.
     *
     * Copyright (c) 2005, Keir Fraser
     */

    #ifndef __XEN_PUBLIC_IO_CONSOLE_H__
    #define __XEN_PUBLIC_IO_CONSOLE_H__

    typedef uint32_t XENCONS_RING_IDX;

    #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1))

    struct xencons_interface {
        char in[1024];
        char out[2048];
        XENCONS_RING_IDX in_cons, in_prod;
        XENCONS_RING_IDX out_cons, out_prod;
    };

    #ifdef XEN_WANT_FLEX_CONSOLE_RING
    #include "ring.h"
    DEFINE_XEN_FLEX_RING(xencons);
    #endif

    #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */

    /*
     * Local variables:
     * mode: C
     * c-file-style: "BSD"
     * c-basic-offset: 4
     * tab-width: 4
     * indent-tabs-mode: nil
     * End:
     */