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f59aba2f75
The staging isdn drivers are gone, and CONFIG_BT_CMTP is now the only user. This means a lot of the code in the subsystem has no remaining callers and can be removed. Change the capi user space front-end to be part of kernelcapi, and the combined module to only be compiled if BT_CMTP is also enabled, then remove the interfaces that have no remaining callers. As the notifier list and the capi_drivers list have no callers outside of kcapi.c, the implementation gets much simpler. Some definitions from the include/linux/*.h headers are only needed internally and are moved to kcapi.h. Acked-by: David Miller <davem@davemloft.net> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20191210210455.3475361-2-arnd@arndb.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/* $Id: capiutil.h,v 1.5.6.2 2001/09/23 22:24:33 kai Exp $
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*
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* CAPI 2.0 defines & types
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*
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* From CAPI 2.0 Development Kit AVM 1995 (msg.c)
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* Rewritten for Linux 1996 by Carsten Paeth <calle@calle.de>
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*
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*/
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#ifndef __CAPIUTIL_H__
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#define __CAPIUTIL_H__
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#include <asm/types.h>
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#define CAPIMSG_BASELEN 8
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#define CAPIMSG_U8(m, off) (m[off])
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#define CAPIMSG_U16(m, off) (m[off]|(m[(off)+1]<<8))
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#define CAPIMSG_U32(m, off) (m[off]|(m[(off)+1]<<8)|(m[(off)+2]<<16)|(m[(off)+3]<<24))
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#define CAPIMSG_LEN(m) CAPIMSG_U16(m,0)
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#define CAPIMSG_APPID(m) CAPIMSG_U16(m,2)
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#define CAPIMSG_COMMAND(m) CAPIMSG_U8(m,4)
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#define CAPIMSG_SUBCOMMAND(m) CAPIMSG_U8(m,5)
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#define CAPIMSG_CMD(m) (((m[4])<<8)|(m[5]))
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#define CAPIMSG_MSGID(m) CAPIMSG_U16(m,6)
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#define CAPIMSG_CONTROLLER(m) (m[8] & 0x7f)
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#define CAPIMSG_CONTROL(m) CAPIMSG_U32(m, 8)
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#define CAPIMSG_NCCI(m) CAPIMSG_CONTROL(m)
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#define CAPIMSG_DATALEN(m) CAPIMSG_U16(m,16) /* DATA_B3_REQ */
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static inline void capimsg_setu8(void *m, int off, __u8 val)
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{
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((__u8 *)m)[off] = val;
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}
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static inline void capimsg_setu16(void *m, int off, __u16 val)
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{
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((__u8 *)m)[off] = val & 0xff;
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((__u8 *)m)[off+1] = (val >> 8) & 0xff;
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}
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static inline void capimsg_setu32(void *m, int off, __u32 val)
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{
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((__u8 *)m)[off] = val & 0xff;
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((__u8 *)m)[off+1] = (val >> 8) & 0xff;
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((__u8 *)m)[off+2] = (val >> 16) & 0xff;
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((__u8 *)m)[off+3] = (val >> 24) & 0xff;
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}
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#define CAPIMSG_SETLEN(m, len) capimsg_setu16(m, 0, len)
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#define CAPIMSG_SETAPPID(m, applid) capimsg_setu16(m, 2, applid)
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#define CAPIMSG_SETCOMMAND(m,cmd) capimsg_setu8(m, 4, cmd)
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#define CAPIMSG_SETSUBCOMMAND(m, cmd) capimsg_setu8(m, 5, cmd)
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#define CAPIMSG_SETMSGID(m, msgid) capimsg_setu16(m, 6, msgid)
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#define CAPIMSG_SETCONTROL(m, contr) capimsg_setu32(m, 8, contr)
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#define CAPIMSG_SETDATALEN(m, len) capimsg_setu16(m, 16, len)
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#endif /* __CAPIUTIL_H__ */
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