| 1 | /* SPDX-License-Identifier: MIT */ |
| 2 | /****************************************************************************** |
| 3 | * console.h |
| 4 | * |
| 5 | * Console I/O interface for Xen guest OSes. |
| 6 | * |
| 7 | * Copyright (c) 2005, Keir Fraser |
| 8 | */ |
| 9 | |
| 10 | #ifndef __XEN_PUBLIC_IO_CONSOLE_H__ |
| 11 | #define __XEN_PUBLIC_IO_CONSOLE_H__ |
| 12 | |
| 13 | typedef uint32_t XENCONS_RING_IDX; |
| 14 | |
| 15 | #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1)) |
| 16 | |
| 17 | struct xencons_interface { |
| 18 | char in[1024]; |
| 19 | char out[2048]; |
| 20 | XENCONS_RING_IDX in_cons, in_prod; |
| 21 | XENCONS_RING_IDX out_cons, out_prod; |
| 22 | }; |
| 23 | |
| 24 | #ifdef XEN_WANT_FLEX_CONSOLE_RING |
| 25 | #include "ring.h" |
| 26 | DEFINE_XEN_FLEX_RING(xencons); |
| 27 | #endif |
| 28 | |
| 29 | #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */ |
| 30 | |
| 31 | /* |
| 32 | * Local variables: |
| 33 | * mode: C |
| 34 | * c-file-style: "BSD" |
| 35 | * c-basic-offset: 4 |
| 36 | * tab-width: 4 |
| 37 | * indent-tabs-mode: nil |
| 38 | * End: |
| 39 | */ |