diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmfmac/hndrte_cons.h')
-rw-r--r-- | drivers/staging/brcm80211/brcmfmac/hndrte_cons.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/brcmfmac/hndrte_cons.h b/drivers/staging/brcm80211/brcmfmac/hndrte_cons.h new file mode 100644 index 00000000000..4df3eecaa83 --- /dev/null +++ b/drivers/staging/brcm80211/brcmfmac/hndrte_cons.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef _hndrte_cons_h +#define _hndrte_cons_h + +#define CBUF_LEN (128) + +#define LOG_BUF_LEN 1024 + +typedef struct { + u32 buf; /* Can't be pointer on (64-bit) hosts */ + uint buf_size; + uint idx; + char *_buf_compat; /* Redundant pointer for backward compat. */ +} hndrte_log_t; + +typedef struct { + /* Virtual UART + * When there is no UART (e.g. Quickturn), + * the host should write a complete + * input line directly into cbuf and then write + * the length into vcons_in. + * This may also be used when there is a real UART + * (at risk of conflicting with + * the real UART). vcons_out is currently unused. + */ + volatile uint vcons_in; + volatile uint vcons_out; + + /* Output (logging) buffer + * Console output is written to a ring buffer log_buf at index log_idx. + * The host may read the output when it sees log_idx advance. + * Output will be lost if the output wraps around faster than the host + * polls. + */ + hndrte_log_t log; + + /* Console input line buffer + * Characters are read one at a time into cbuf + * until <CR> is received, then + * the buffer is processed as a command line. + * Also used for virtual UART. + */ + uint cbuf_idx; + char cbuf[CBUF_LEN]; +} hndrte_cons_t; + +#endif /* _hndrte_cons_h */ + |