CVS log for src/sys/compat/ossaudio/ossaudio.c

Up to [cvs.NetBSD.org] / src / sys / compat / ossaudio

Request diff between arbitrary revisions

Keyword substitution: kv
Default branch: MAIN

Pull up following revision(s) (requested by riastradh in ticket #1841):

	sys/compat/sunos32/sunos32_misc.c: revision 1.86
	sys/compat/ossaudio/ossaudio.c: revision 1.85
	sys/compat/linux32/arch/amd64/linux32_machdep.c: revision 1.48

compat_sunos32: Memset zero before copyout.

Unclear if this can leak anything but let's be on the safe side.

compat_ossaudio: Zero-initialize idat before copyout.
Unclear if there are any paths to the copyout without initialization,
but let's play it safe to keep the auditing effort low.

linux32_rt_sendsig: Memset zero before copyout.
Not sure if there's any padding here, but it's a pretty big
structure, fairly likely, so let's be rather safe than sorry.

Pull up following revision(s) (requested by riastradh in ticket #1650):

	sys/compat/sunos32/sunos32_misc.c: revision 1.86
	sys/compat/ossaudio/ossaudio.c: revision 1.85
	sys/compat/linux32/arch/amd64/linux32_machdep.c: revision 1.48

compat_sunos32: Memset zero before copyout.

Unclear if this can leak anything but let's be on the safe side.

compat_ossaudio: Zero-initialize idat before copyout.
Unclear if there are any paths to the copyout without initialization,
but let's play it safe to keep the auditing effort low.

linux32_rt_sendsig: Memset zero before copyout.
Not sure if there's any padding here, but it's a pretty big
structure, fairly likely, so let's be rather safe than sorry.

Pull up following revision(s) (requested by riastradh in ticket #204):

	sys/compat/sunos32/sunos32_misc.c: revision 1.86
	sys/compat/ossaudio/ossaudio.c: revision 1.85
	sys/compat/linux32/arch/amd64/linux32_machdep.c: revision 1.48

compat_sunos32: Memset zero before copyout.

Unclear if this can leak anything but let's be on the safe side.

compat_ossaudio: Zero-initialize idat before copyout.
Unclear if there are any paths to the copyout without initialization,
but let's play it safe to keep the auditing effort low.

linux32_rt_sendsig: Memset zero before copyout.
Not sure if there's any padding here, but it's a pretty big
structure, fairly likely, so let's be rather safe than sorry.

Pull up following revision(s) (requested by riastradh in ticket #1836):

	sys/compat/linux/arch/i386/linux_machdep.c: revision 1.168
	sys/compat/sunos/sunos_misc.c: revision 1.177
	sys/compat/netbsd32/netbsd32_compat_50.c: revision 1.52
	sys/compat/common/kern_resource_43.c: revision 1.23
	sys/compat/netbsd32/netbsd32_conv.h: revision 1.46
	sys/compat/linux/arch/i386/linux_ptrace.c: revision 1.35
	sys/compat/common/vfs_syscalls_12.c: revision 1.38
	sys/compat/ultrix/ultrix_misc.c: revision 1.126
	sys/compat/common/kern_sig_43.c: revision 1.37
	sys/compat/linux/common/linux_mtio.c: revision 1.8
	sys/compat/freebsd/freebsd_misc.c: revision 1.34
	sys/compat/linux/common/linux_olduname.c: revision 1.67
	sys/compat/linux/arch/mips/linux_machdep.c: revision 1.44
	sys/compat/freebsd/freebsd_sched.c: revision 1.23
	sys/compat/ossaudio/ossaudio.c: revision 1.84
	sys/compat/sys/time_types.h: revision 1.6
	sys/compat/linux/arch/powerpc/linux_machdep.c: revision 1.51
	sys/compat/linux/common/linux_file.c: revision 1.119
	sys/compat/linux/arch/arm/linux_machdep.c: revision 1.34
	sys/compat/netbsd32/netbsd32_wait.c: revision 1.25
	sys/compat/linux32/common/linux32_time.c: revision 1.38
	sys/compat/linux/arch/powerpc/linux_ptrace.c: revision 1.33
	sys/compat/linux/arch/alpha/linux_machdep.c: revision 1.52
	sys/compat/linux32/arch/amd64/linux32_machdep.c: revision 1.46
	sys/compat/netbsd32/netbsd32_compat_12.c: revision 1.36
	sys/compat/ultrix/ultrix_ioctl.c: revision 1.39
	sys/compat/linux/common/linux_misc.c: revision 1.252
	sys/compat/linux/common/linux_hdio.c: revision 1.19
	sys/compat/sunos/sunos_ioctl.c: revision 1.71
	sys/compat/linux/common/linux_sched.c: revision 1.79
	sys/compat/common/kern_info_43.c: revision 1.40
	sys/compat/linux32/common/linux32_exec_elf32.c: revision 1.20
	sys/compat/linux/common/linux_socket.c: revision 1.153
	sys/compat/linux/arch/amd64/linux_machdep.c: revision 1.60
	sys/compat/common/vfs_syscalls_43.c: revision 1.68
	sys/compat/linux/arch/powerpc/linux_exec_powerpc.c: revision 1.25
	sys/compat/netbsd32/netbsd32_ptrace.c: revision 1.9
	sys/compat/common/kern_time_50.c: revision 1.37
	sys/compat/netbsd32/netbsd32_compat_20.c: revision 1.42
	sys/compat/linux/common/linux_cdrom.c: revision 1.28
	sys/compat/linux/arch/m68k/linux_machdep.c: revision 1.43
	sys/compat/common/kern_info_09.c: revision 1.22
	sys/compat/linux32/common/linux32_resource.c: revision 1.12
	sys/compat/linux/common/linux_oldolduname.c: revision 1.67
	sys/compat/netbsd32/netbsd32_nfssvc.c: revision 1.8
	sys/compat/linux32/common/linux32_signal.c: revision 1.21
	sys/compat/common/kern_sig_13.c: revision 1.22
	sys/compat/sunos32/sunos32_ioctl.c: revision 1.36
	sys/compat/netbsd32/netbsd32_compat_43.c: revision 1.62
	sys/compat/linux/arch/arm/linux_ptrace.c: revision 1.23
	sys/compat/netbsd32/netbsd32_time.c: revision 1.56
	sys/compat/linux/common/linux_signal.c: revision 1.84
	sys/compat/netbsd32/netbsd32_signal.c: revision 1.52
	sys/compat/sunos32/sunos32_misc.c: revision 1.85
	sys/compat/linux/common/linux_time.c: revision 1.40
	sys/compat/linux/common/linux_fdio.c: revision 1.14
	sys/compat/common/vfs_syscalls_30.c: revision 1.43

sys/compat: Memset zero before copyout.

Just in case of uninitialized padding which would lead to kernel
stack disclosure.  If the compiler can prove the memset redundant
then it can optimize it away; otherwise better safe than sorry.

compat_ossaudio: Zero-initialize idat before copyout.

Unclear if there are any paths to the copyout without initialization,
but let's play it safe to keep the auditing effort low.

XXX pullup-8
XXX pullup-9
XXX pullup-10

Pull up following revision(s), all via patch
(requested by riastradh in ticket #1487):

	sys/compat/linux/arch/i386/linux_machdep.c: revision 1.168
	sys/compat/sunos/sunos_misc.c: revision 1.177
	sys/compat/netbsd32/netbsd32_compat_50.c: revision 1.52
	sys/compat/common/kern_resource_43.c: revision 1.23
	sys/compat/netbsd32/netbsd32_conv.h: revision 1.46
	sys/compat/linux/arch/i386/linux_ptrace.c: revision 1.35
	sys/compat/common/vfs_syscalls_12.c: revision 1.38
	sys/compat/ultrix/ultrix_misc.c: revision 1.126
	sys/compat/common/kern_sig_43.c: revision 1.37
	sys/compat/linux/common/linux_mtio.c: revision 1.8
	sys/compat/freebsd/freebsd_misc.c: revision 1.34
	sys/compat/freebsd/freebsd_machdep.c: revision 1.5
	sys/compat/linux/common/linux_olduname.c: revision 1.67
	sys/compat/linux/arch/mips/linux_machdep.c: revision 1.44
	sys/compat/freebsd/freebsd_sched.c: revision 1.23
	sys/compat/ossaudio/ossaudio.c: revision 1.84
	sys/compat/sys/time_types.h: revision 1.6
	sys/compat/linux/arch/powerpc/linux_machdep.c: revision 1.51
	sys/compat/common/ieee80211_20.c: revision 1.7
	sys/compat/linux/common/linux_file.c: revision 1.119
	sys/compat/linux/arch/arm/linux_machdep.c: revision 1.34
	sys/compat/netbsd32/netbsd32_wait.c: revision 1.25
	sys/compat/linux32/common/linux32_time.c: revision 1.38
	sys/compat/linux/arch/powerpc/linux_ptrace.c: revision 1.33
	sys/compat/linux/arch/alpha/linux_machdep.c: revision 1.52
	sys/compat/linux32/arch/amd64/linux32_machdep.c: revision 1.46
	sys/compat/netbsd32/netbsd32_compat_12.c: revision 1.36
	sys/compat/ultrix/ultrix_ioctl.c: revision 1.39
	sys/compat/linux/common/linux_misc.c: revision 1.252
	sys/compat/linux/common/linux_hdio.c: revision 1.19
	sys/compat/sunos/sunos_ioctl.c: revision 1.71
	sys/compat/linux/common/linux_sched.c: revision 1.79
	sys/compat/common/kern_info_43.c: revision 1.40
	sys/compat/linux32/common/linux32_exec_elf32.c: revision 1.20
	sys/compat/linux/common/linux_socket.c: revision 1.153
	sys/compat/linux/arch/amd64/linux_machdep.c: revision 1.60
	sys/compat/common/vfs_syscalls_43.c: revision 1.68
	sys/compat/linux/arch/powerpc/linux_exec_powerpc.c: revision 1.25
	sys/compat/netbsd32/netbsd32_ptrace.c: revision 1.9
	sys/compat/common/kern_time_50.c: revision 1.37
	sys/compat/netbsd32/netbsd32_compat_20.c: revision 1.42
	sys/compat/linux/common/linux_cdrom.c: revision 1.28
	sys/compat/linux/arch/m68k/linux_machdep.c: revision 1.43
	sys/compat/common/kern_info_09.c: revision 1.22
	sys/compat/linux32/common/linux32_resource.c: revision 1.12
	sys/compat/linux/common/linux_oldolduname.c: revision 1.67
	sys/compat/common/if_media_80.c: revision 1.4
	sys/compat/linux/arch/alpha/linux_osf1.c: revision 1.5
	sys/compat/netbsd32/netbsd32_nfssvc.c: revision 1.8
	sys/compat/linux32/common/linux32_signal.c: revision 1.21
	sys/compat/common/kern_sig_13.c: revision 1.22
	sys/compat/sunos32/sunos32_ioctl.c: revision 1.36
	sys/compat/netbsd32/netbsd32_compat_43.c: revision 1.62
	sys/compat/linux/arch/arm/linux_ptrace.c: revision 1.23
	sys/compat/netbsd32/netbsd32_time.c: revision 1.56
	sys/compat/linux/common/linux_signal.c: revision 1.84
	sys/compat/netbsd32/netbsd32_signal.c: revision 1.52
	sys/compat/sunos32/sunos32_misc.c: revision 1.85
	sys/compat/linux/common/linux_time.c: revision 1.40
	sys/compat/linux/common/linux_fdio.c: revision 1.14
	sys/compat/common/vfs_syscalls_30.c: revision 1.43

sys/compat: Memset zero before copyout.

Just in case of uninitialized padding which would lead to kernel
stack disclosure.  If the compiler can prove the memset redundant
then it can optimize it away; otherwise better safe than sorry.

sys/compat: Memset zero before copyout.

Just in case of uninitialized padding which would lead to kernel
stack disclosure.  If the compiler can prove the memset redundant
then it can optimize it away; otherwise better safe than sorry.

Pull up following revision(s) (requested by nia in ticket #855):

	lib/libossaudio/ossaudio.c: revision 1.41
	lib/libossaudio/ossaudio.c: revision 1.42
	lib/libossaudio/ossaudio.c: revision 1.43
	sys/compat/ossaudio/ossaudio.c: revision 1.80
	sys/compat/ossaudio/ossaudio.c: revision 1.81
	sys/compat/ossaudio/ossaudio.c: revision 1.82
	lib/libossaudio/ossaudio.c: revision 1.39
	sys/compat/ossaudio/ossaudio.c: revision 1.79
	lib/libossaudio/ossaudio.c: revision 1.40

ossaudio: Make SNDCTL_DSP_SPEED more robust when using invalid rates.

From the perspective of reading the OSSv4 specification, NetBSD's
behaviour when an invalid sample rate is set makes no sense at all:
AUDIO_SETINFO simply returns an error code, and then we immediately
fall through to getting the sample rate, which is still set to the
legacy default of 8000 Hz.

Instead, what OSS applications generally expect is that they will be
able to receive the actual hardware sample rate. This is very, very
unlikely to be 8000 Hz on a modern machine.

No functional change when setting a sample rate between the supported
rates of 1000 and 192000 Hz. When a rate outside this range is requested,
the hardware rate is returned (on modern hardware, generally always 48000
Hz or a multiple of 48000 Hz).

ossaudio: Make SNDCTL_DSP_SETFMT conform with OSSv4.

The OSSv4 spec says we shouldn't really error if an invalid format is
chosen by an application. Things are especially likely to be confused
if we return MULAW, since in OSSv4 terms that means that's the native
hardware format. Instead, set and return the current hardware format
if an invalid format is chosen.

For the 24-bit sample formats, note that the NetBSD kernel currently
can't handle them in its default configuration, and will return an error
code if you attempt to use them. So, if an applicaton requests 24-bit PCM,
promote it to 32-bit PCM. According to the spec, this is valid and
applications should be checking the return value anyway.

In the Linux compat layer, we just use S16LE as a fallback. The OSSv3
headers that are still being shipped with Linux don't contain definitions
for fancier formats and we can reasonably expect all applications to
support S16LE.

ossaudio: If the user's channel count is rejected, use the hardware count

ossaudio: Make SNDCTL_DSP_[GET|SET][PLAY|RECORD]VOL closer to OSSv4

Problems in the previous code include returning values in the 0-255
range NetBSD uses instead of the 0-100 range OSSv4 expects, using
AUDIO_GETBUFINFO (which doesn't even return the mixer bits), and
not encoding channels as specified: "level=(left)|(right << 8)".

In reality, setting the gain in this way (through /dev/audio rather
than /dev/mixer) doesn't seem to work properly, and the mixer-set
value seems to be retained.

However, these changes at least ensure that the return values are
correct and the balance is set correctly.

I've only found one application using this API (audio/audacious), and
OSSv4 support in it is currently disabled precisely because it breaks
when it attempts to set the track volume using it.

ossaudio: Implement SNDCTL_DSP_(SET|GET)TRIGGER.

Pull up following revision(s) (requested by maxv in ticket #1535):

	sys/compat/ossaudio/ossaudio.c: revision 1.83

ossaudio: Avoid giving userland uninitialized memory. Noticed by maxv.

The uninitalized field in this structure is `fillers`, an array that
simply reserves space for later changes in OSSv4, which this version
of the OSS compat layer (specifically for Linux applications) makes no
effort to implement.

Pull up following revision(s) (requested by maxv in ticket #841):

	sys/compat/ossaudio/ossaudio.c: revision 1.83

ossaudio: Avoid giving userland uninitialized memory. Noticed by maxv.

The uninitalized field in this structure is `fillers`, an array that
simply reserves space for later changes in OSSv4, which this version
of the OSS compat layer (specifically for Linux applications) makes no
effort to implement.

Sync with HEAD

Sync with HEAD

ossaudio: Avoid giving userland uninitialized memory. Noticed by maxv.

The uninitalized field in this structure is `fillers`, an array that
simply reserves space for later changes in OSSv4, which this version
of the OSS compat layer (specifically for Linux applications) makes no
effort to implement.

ossaudio: Implement SNDCTL_DSP_(SET|GET)TRIGGER.

ossaudio: If the user's channel count is rejected, use the hardware count

ossaudio: Make SNDCTL_DSP_SETFMT conform with OSSv4.

The OSSv4 spec says we shouldn't really error if an invalid format is
chosen by an application. Things are especially likely to be confused
if we return MULAW, since in OSSv4 terms that means that's the native
hardware format. Instead, set and return the current hardware format
if an invalid format is chosen.

For the 24-bit sample formats, note that the NetBSD kernel currently
can't handle them in its default configuration, and will return an error
code if you attempt to use them. So, if an applicaton requests 24-bit PCM,
promote it to 32-bit PCM. According to the spec, this is valid and
applications should be checking the return value anyway.

In the Linux compat layer, we just use S16LE as a fallback. The OSSv3
headers that are still being shipped with Linux don't contain definitions
for fancier formats and we can reasonably expect all applications to
support S16LE.

ossaudio: Make SNDCTL_DSP_SPEED more robust when using invalid rates.

From the perspective of reading the OSSv4 specification, NetBSD's
behaviour when an invalid sample rate is set makes no sense at all:
AUDIO_SETINFO simply returns an error code, and then we immediately
fall through to getting the sample rate, which is still set to the
legacy default of 8000 Hz.

Instead, what OSS applications generally expect is that they will be
able to receive the actual hardware sample rate. This is very, very
unlikely to be 8000 Hz on a modern machine.

No functional change when setting a sample rate between the supported
rates of 1000 and 192000 Hz. When a rate outside this range is requested,
the hardware rate is returned (on modern hardware, generally always 48000
Hz or a multiple of 48000 Hz).

Mostly merge changes from HEAD upto 20200411

Pull up the following, requested by christos in ticket #1720:

	sys/compat/common/kern_sig_43.c				1.36
	sys/compat/linux/arch/amd64/linux_machdep.c		1.59
	sys/compat/linux/common/linux_fcntl.h			1.18
	sys/compat/linux/common/linux_file64.c			1.62
	sys/compat/linux/common/linux_ipc.c			1.57
	sys/compat/linux/common/linux_misc.c			1.243
	sys/compat/linux/common/linux_signal.c			1.81
	sys/compat/linux/common/linux_socket.c			1.149 (patch)
	sys/compat/linux/common/linux_socket.h			1.24
	sys/compat/linux/common/linux_statfs.h			1.7
	sys/compat/linux/common/linux_termios.c			1.38
	sys/compat/linux/common/linux_termios.h			1.22
	sys/compat/linux32/common/linux32_dirent.c		1.20
	sys/compat/linux32/common/linux32_ioctl.c		1.14
	sys/compat/linux32/common/linux32_misc.c		1.27
	sys/compat/linux32/common/linux32_signal.c		1.20
	sys/compat/linux32/common/linux32_sysinfo.c		1.8
	sys/compat/linux32/common/linux32_termios.c		1.15
	sys/compat/linux32/common/linux32_utsname.c		1.10
	sys/compat/netbsd32/netbsd32_compat_20.c		1.39
	sys/compat/netbsd32/netbsd32_compat_43.c		1.59
	sys/compat/netbsd32/netbsd32_compat_50.c		1.44
	sys/compat/ossaudio/ossaudio.c				1.75
	sys/kern/sysv_shm.c					1.138
	sys/miscfs/procfs/procfs_linux.c			1.75 (patch)
	sys/sys/shm.h						1.54 (patch)

Fix various info leaks, out of bound access, usage of uninitialized
values and direct access to userland variables from kernel space
and memory leaks in system calls implemented for the compatibility
subsystems.

Pull up the following, requested by christos in ticket #1720:

	sys/compat/common/kern_sig_43.c				1.36
	sys/compat/linux/arch/amd64/linux_machdep.c		1.59
	sys/compat/linux/common/linux_fcntl.h			1.18
	sys/compat/linux/common/linux_file64.c			1.62
	sys/compat/linux/common/linux_ipc.c			1.57
	sys/compat/linux/common/linux_misc.c			1.243
	sys/compat/linux/common/linux_signal.c			1.81
	sys/compat/linux/common/linux_socket.c			1.149 (patch)
	sys/compat/linux/common/linux_socket.h			1.24
	sys/compat/linux/common/linux_statfs.h			1.7
	sys/compat/linux/common/linux_termios.c			1.38
	sys/compat/linux/common/linux_termios.h			1.22
	sys/compat/linux32/common/linux32_dirent.c		1.20
	sys/compat/linux32/common/linux32_ioctl.c		1.14
	sys/compat/linux32/common/linux32_misc.c		1.27
	sys/compat/linux32/common/linux32_signal.c		1.20
	sys/compat/linux32/common/linux32_sysinfo.c		1.8
	sys/compat/linux32/common/linux32_termios.c		1.15
	sys/compat/linux32/common/linux32_utsname.c		1.10
	sys/compat/netbsd32/netbsd32_compat_20.c		1.39
	sys/compat/netbsd32/netbsd32_compat_43.c		1.59
	sys/compat/netbsd32/netbsd32_compat_50.c		1.44
	sys/compat/ossaudio/ossaudio.c				1.75
	sys/kern/sysv_shm.c					1.138
	sys/miscfs/procfs/procfs_linux.c			1.75 (patch)
	sys/sys/shm.h						1.54 (patch)

Fix various info leaks, out of bound access, usage of uninitialized
values and direct access to userland variables from kernel space
and memory leaks in system calls implemented for the compatibility
subsystems.

Pull up the following, requested by christos in ticket #1487:

	sys/compat/common/kern_sig_43.c				1.36
	sys/compat/linux/arch/amd64/linux_machdep.c		1.59
	sys/compat/linux/common/linux_fcntl.h			1.18
	sys/compat/linux/common/linux_file64.c			1.62
	sys/compat/linux/common/linux_ipc.c			1.57
	sys/compat/linux/common/linux_misc.c			1.243
	sys/compat/linux/common/linux_signal.c			1.81
	sys/compat/linux/common/linux_socket.c			1.149
	sys/compat/linux/common/linux_socket.h			1.24
	sys/compat/linux/common/linux_statfs.h			1.7
	sys/compat/linux/common/linux_termios.c			1.38
	sys/compat/linux/common/linux_termios.h			1.22
	sys/compat/linux32/common/linux32_dirent.c		1.20
	sys/compat/linux32/common/linux32_ioctl.c		1.14
	sys/compat/linux32/common/linux32_misc.c		1.27
	sys/compat/linux32/common/linux32_signal.c		1.20
	sys/compat/linux32/common/linux32_sysinfo.c		1.8
	sys/compat/linux32/common/linux32_termios.c		1.15
	sys/compat/linux32/common/linux32_utsname.c		1.10
	sys/compat/netbsd32/netbsd32_compat_20.c		1.39
	sys/compat/netbsd32/netbsd32_compat_43.c		1.59
	sys/compat/netbsd32/netbsd32_compat_50.c		1.44
	sys/compat/ossaudio/ossaudio.c				1.75
	sys/kern/sysv_shm.c					1.138
	sys/miscfs/procfs/procfs_linux.c			1.75 (patch)
	sys/sys/shm.h						1.54

Fix various info leaks, out of bound access, usage of uninitialized
values and direct access to userland variables from kernel space
and memory leaks in system calls implemented for the compatibility
subsystems.

Pull up following revision(s) (requested by isaki in ticket #446):
	lib/libossaudio/ossaudio.c: revision 1.37
	lib/libossaudio/ossaudio.c: revision 1.38
	sys/compat/ossaudio/ossaudio.c: revision 1.77
	sys/compat/ossaudio/ossaudio.c: revision 1.78
Use record.sample_rate for recording on SNDCTL_DSP_SPEED.
Fix PR lib/54667.
Use record.sample_rate for recording on SNDCTL_DSP_SPEED.
It's kernel side of PR lib/54667.
Use record field for recording even on
SNDCTL_DSP_STEREO, SNDCTL_DSP_SETFMT, and SNDCTL_DSP_CHANNELS.

Use record field for recording even on
SNDCTL_DSP_STEREO, SNDCTL_DSP_SETFMT, and SNDCTL_DSP_CHANNELS.

Use record.sample_rate for recording on SNDCTL_DSP_SPEED.
It's kernel side of PR lib/54667.

- "source" is u_long in the kernel (and int in userland). Cast -1 to u_long.
- make "s" unsigned since blocksize is too.

Pull up following revision(s) (requested by maxv in ticket #194):

	sys/compat/linux/common/linux_socket.c: revision 1.146
	sys/compat/linux/common/linux_socket.c: revision 1.147
	sys/compat/linux/common/linux_socket.c: revision 1.148
	sys/compat/linux/common/linux_socket.c: revision 1.149
	sys/compat/linux/arch/amd64/linux_machdep.c: revision 1.59
	sys/compat/linux32/common/linux32_sysinfo.c: revision 1.8
	sys/kern/sysv_shm.c: revision 1.138
	sys/compat/linux/common/linux_file64.c: revision 1.61
	sys/compat/linux/common/linux_file64.c: revision 1.62
	sys/compat/netbsd32/netbsd32_compat_43.c: revision 1.58
	sys/compat/linux32/common/linux32_dirent.c: revision 1.20
	sys/compat/linux32/common/linux32_utsname.c: revision 1.10
	sys/compat/linux/common/linux_termios.h: revision 1.22
	sys/compat/linux32/common/linux32_termios.c: revision 1.15
	sys/compat/linux32/common/linux32_misc.c: revision 1.27
	sys/compat/linux32/common/linux32_ioctl.c: revision 1.14
	sys/compat/linux/common/linux_statfs.h: revision 1.7
	sys/compat/linux/common/linux_ipc.c: revision 1.57
	sys/compat/linux/common/linux_fcntl.h: revision 1.18
	sys/compat/linux/common/linux_socket.h: revision 1.24
	sys/sys/shm.h: revision 1.54
	sys/compat/ossaudio/ossaudio.c: revision 1.75
	sys/compat/linux32/common/linux32_signal.c: revision 1.20
	sys/miscfs/procfs/procfs_linux.c: revision 1.75
	sys/compat/linux/common/linux_signal.c: revision 1.81
	sys/compat/linux/common/linux_termios.c: revision 1.38
	sys/compat/linux/common/linux_misc.c: revision 1.241
	sys/compat/linux/common/linux_misc.c: revision 1.242
	sys/compat/linux/common/linux_misc.c: revision 1.243
	sys/compat/linux/common/linux_misc.c: revision 1.244

Fix info leaks.

Fix stupid bugs in linux_sys_shmctl(): the index could be out of bound
(page fault) and there was no proper locking.
Maybe we should just remove LINUX_SHM_STAT, like compat_linux32.

Remove printf.

When dealing with an unknown value, set -1, to prevent (harmless)
uninitialized accesses later.

Add a default case, don't call sys_ioctl() with an uninitialized 'com'
argument.

Fix error handling, returns an errno, not -1.

Put the printf under DEBUG_LINUX.


Hum, don't forget the 'pid' argument, otherwise we're not gonna go very
far.

Don't read data from userland directly. This simply does not work on any
recent x86 CPU (thanks to SMAP) and all architectures that forbid direct
access to userland from the kernel. But I guess no one noticed because no
one ever uses compat_linux, right?

Hum, don't pass an mbuf to realloc(). Inspired from copyin32_msg_control().

Fix memory leak.

I don't see the point in having this useless printf, but add a '\n' to it,
so that it at least displays useless stuff correctly.

Hum, remove incorrect assignment. Userland could have passed a smaller
namelen, and the uninitialized bytes from sb_data were being used later in
the network stack.

Fix error handling, returns an errno, not -1.

Sync with HEAD

Pull up following revision(s) (requested by isaki in ticket #1185):

	lib/libossaudio/ossaudio.c: revision 1.35
	sys/compat/ossaudio/ossaudio.c: revision 1.71

Revert a wrong SNDCTL_DSP_GETOSPACE part of rev1.33.
- 'fragments' is the number of full free blocks and should not be
  negative value.
- 'bytes' should not be rounded down.

It makes mpv work correctly (fixes a second half of kern/53028).
Reviewed by mlelstv@

 -

Revert a wrong OSS_SNDCTL_DSP_GETOSPACE part of rev1.70.
- 'fragments' is the number of full free blocks and should not be
  negative value.
- 'bytes' should not be rounded down.

- add or adjust /* FALLTHROUGH */ where appropriate
- add __unreachable() after functions that can return but won't in
  this case, and thus can't be marked __dead easily

Correct debug messages.

Fix minor bugs of SNDCTL_DSP_GETISPACE.
- hiwat is playback-only parameter.
- 'bytes' should not be rounded down.

Revert a wrong OSS_SNDCTL_DSP_GETOSPACE part of rev1.70.
- 'fragments' is the number of full free blocks and should not be
  negative value.
- 'bytes' should not be rounded down.

update from HEAD

Sync with HEAD

Sync with HEAD

Sync with HEAD

Update compat/ossaudio with GETISPACE/GETOSPACE corrections from
libossaudio.

Try not to use f_data, use f_{vnode,socket,pipe,mqueue,kqueue,ksem} to get
a correctly typed pointer.

Rebase to HEAD as of a few days ago.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

sync with head

exec modules need to be of the exec kind

Change the vnode locking protocol of VOP_GETATTR() to request at least
a shared lock.  Make all calls outside of file systems respect it.

The calls from file systems need review.

No objections from tech-kern.

Add support for AFMT_AC3

sync with head

add a lot more debugging and error checking. Alas, skype seems to be happy
getting back our values, but still does not work.

sync with head.

Sync with HEAD.

Sync with HEAD.

Update haad-dm branch to haad-dm-base2.

compat_ossaudio module, so others can depend on it.

Sync with HEAD.

sync with head.

sync with head.

Per discussion with ad, remove most of the #include <sys/sa.h> lines
as they were including sa.h just for the type(s) needed for syscallargs.h.

Instead, create a new file, sys/satypes.h, which contains just the
types needed for syscallargs.h. Yes, there's only one now, but that
may change and it's probably more likely to change if it'd be difficult
to handle. :-)

Per discussion with matt at n dot o, add an include of satypes.h to
sigtypes.h. Upcall handlers are kinda signal handlers, and signalling
is the header file that's already included for syscallargs.h that
closest matches SA.

This shaves about 3000 lines off of the diff of the branch relative
to the base. That also represents about 18% of the total before this
checkin.

I think this reduction is very good thing.

Initial checkin of re-adding SA. Everything except kern_sa.c
compiles in GENERIC for i386. This is still a work-in-progress, but
this checkin covers most of the mechanical work (changing signalling
to be able to accomidate SA's process-wide signalling and re-adding
includes of sys/sa.h and savar.h). Subsequent changes will be much
more interesting.

Also, kern_sa.c has received partial cleanup. There's still more
to do, though.

Remove clause 3 and 4 from TNF licenses

Sync with HEAD.

sync with head.

Catch up with descriptor handling changes. See kern_descrip.c revision
1.173 for details.

sync with head

sync with HEAD

Sync with HEAD

Sync with HEAD.

Sync with head.

Convert all the system call entry points from:
    int foo(struct lwp *l, void *v, register_t *retval)
to:
    int foo(struct lwp *l, const struct foo_args *uap, register_t *retval)
Fixup compat code to not write into 'uap' and (in some cases) to actually
pass a correctly formatted 'uap' structure with the right name to the
next routine.
A few 'compat' routines that just call standard ones have been deleted.
All the 'compat' code compiles (along with the kernels required to test
build it).
98% done by automated scripts.

Sync with HEAD.

ANSIfy most of the function definitions in sys/compat (but not ndis).
All by the magic of sed ...

Sync with HEAD.

Sync with head.

sync with head

Remove all the __P

Sync with HEAD. amd64 Xen support needs testing.

Remove the "struct lwp *" argument from all VFS and VOP interfaces.
The general trend is to remove it from all kernel interfaces and
this is a start.  In case the calling lwp is desired, curlwp should
be used.

quick consensus on tech-kern

sync with HEAD

sync with head.

Sync with head.

Sync with HEAD.

Implement OSS_SNDCTL_DSP_GETODELAY and provide a no-op function
for OSS_SNDCTL_DSP_PROFILE.

sync with head.

Sync w/ NetBSD-4-RC_1

Sync with head.

Sync with head.

Pull up following revision(s) (requested by jmcneill in ticket #716):
	share/man/man4/audio.4: revision 1.66
	sys/compat/ossaudio/ossaudio.c: revision 1.56
	sys/sys/audioio.h: revision 1.32
	lib/libossaudio/ossaudio.c: revision 1.21
	sys/dev/audio.c: revision 1.222
Add a new ioctl AUDIO_GETBUFINFO. It works like AUDIO_GETINFO, but
doesn't obtain the ports, gain and balance related parameters.
Those generally require reading from the hardware and therefore are
much
more expensive to obtain. Modify OSS emulation to use the new ioctl
where possible.
This reduces CPU usage of mplayer during mp3 playback with my Thinkpad
from 20% to < 1% and from 50% to 20% during Xvid playback.
Review and comments from jmcneill@

Add a new ioctl AUDIO_GETBUFINFO. It works like AUDIO_GETINFO, but
doesn't obtain the ports, gain and balance related parameters.
Those generally require reading from the hardware and therefore are much
more expensive to obtain. Modify OSS emulation to use the new ioctl
where possible.

This reduces CPU usage of mplayer during mp3 playback with my Thinkpad
from 20% to < 1% and from 50% to 20% during Xvid playback.

Review and comments from jmcneill@

Sync with HEAD.

Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

sync with head.

Merge newlock2 to head.

Remove support for SA. Ok core@.

sync with head.

sync with head.

sync with head

remove unneeded initializer.

sync with head

Use the LWP cached credentials where sane.

sync with head.

Sync with head.

Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.

sync with head.

integrate kauth.

Sync with head.

Adapt to kernel authorization KPI.

Instead of getting properties from calling ioctl with AUDIO_GETINFO, use
AUDIO_INITINFO(). Now the sound with the linux flash plugin works
properly.

From OpenBSD.

Pull up following revision(s) (requested by tron in ticket #1127):
	sys/compat/ossaudio/ossaudio.c: revision 1.48
Fix problem in ioctl() handling in OSS audio emulation which caused
unintentional changes of the audio settings e.g. when running "kphone".
Patch submitted by George Michaelson on "tech-kern@NetBSD.org".

merge ktrace-lwp.

Sync with head.

Fix problem in ioctl() handling in OSS audio emulation which caused
unintentional changes of the audio settings e.g. when running "kphone".

Patch submitted by George Michaelson on "tech-kern@NetBSD.org".

sync with -current

sync with head.  xen and whitespace.  xen part is not finished.

Sync with HEAD.

Hi Perry!

nuke trailing whitespace

Sync with HEAD.

getdevinfo():
 If a mixer item does not match with AudioNsomething, check whether
it ends with '.' + AudioNsomething.  PR#15441

Fix the sync with head I botched.

Sync with HEAD.

Fix patch botch.

Pull up revision 1.43 (requested by tv in ticket #1422):
Fix missing call to FILE_UNUSE.  From kern/21946, from Todd Vierling.

Apply the aborted ktrace-lwp changes to a specific branch.  This is just for
others to review, I'm concerned that patch fuziness may have resulted in some
errant code being generated but I'll look at that later by comparing the diff
from the base to the branch with the file I attempt to apply to it.  This will,
at the very least, put the changes in a better context for others to review
them and attempt to tinker with removing passing of 'struct lwp' through
the kernel.

Back out the lwp/ktrace changes. They contained a lot of colateral damage,
and need to be examined and discussed more.

Pass lwp pointers throughtout the kernel, as required, so that the lwpid can
be inserted into ktrace records.  The general change has been to replace
"struct proc *" with "struct lwp *" in various function prototypes, pass
the lwp through and use l_proc to get the process pointer when needed.

Bump the kernel rev up to 1.6V

Fix missing call to FILE_UNUSE.  From kern/21946, from Todd Vierling.

Change 'data' argument to fo_ioctl and fo_fcntl from 'caddr_t' to 'void *'.
Avoids a lot of casting and removes the need for some line breaks.
Removed a load of (caddr_t) casts from calls to copyin/copyout as well.
(approved by christos - he has a plan to remove caddr_t...)

Merge the nathanw_sa branch.

Sync with HEAD.

add support for SNDCTL_DSP_SETDUPLEX ioctl to ossaudio emulation code
code provided by Andreas Wrede in PR kern/19793

#include <sys/sa.h> before <sys/syscallargs.h>, to provide sa_upcall_t
now that <sys/param.h> doesn't include <sys/sa.h>.

(Behold the Power of Ed)

Sync kqueue branch with -current.

Catch up to -current.

Pull up revision 1.39 (requested by mycroft):
  Change our emulation of SNDCTL_DSP_POST so that OSS applications
  (e.g. xmms) don't randomly pause.

Make SNDCTL_DSP_POST a nop.  It's explicitly *not* supposed to sleep, and as
it's merely advisory (and in fact is implemented as a nop in the OSS->ALSA
shim), it should be safe to ignore it.

Catch up to -current.

add RCSIDs (including regeneration of files as appropriate)

Catch up with -current.

Pullup [fb]:

lib/libossaudio/ossaudio.c                      1.13-1.14
lib/libossaudio/soundcard.h                     1.11
sys/compat/ossaudio/ossaudio.c                  1.34-1.35

  Correctly calculate input and output hardware buffer sizes.
  Fixes PR lib/12796.

Map OSS mixer device "line1" to native mixer device "aux".

Catch up to -current.

Fix a partial construction problem that can cause race conditions
between creation of a file descriptor and close(2) when using kernel
assisted threads.  What we do is stick descriptors in the table, but
mark them as "larval".  This causes essentially everything to treat
it as a non-existent descriptor, except for fdalloc(), which sees a
filled slot so that it won't (incorrectly) allocate it again.  When
a descriptor is fully constructed, the code that has constructed it
marks it as "mature" (which actually clears the "larval" flag), and
things continue to work as normal.

While here, gather all the code that gets a descriptor from the table
into a fd_getfile() function, and call it, rather than having the
same (sometimes incorrect) code copied all over the place.

Improved fix of PR12796, from Frederick Bruckman <fb@enteract.com>

Apply patch in PR lib/12796 from Frederick Bruckman <fb@enteract.com>

Sync with HEAD.

constify

Update thorpej_scsipi to -current as of a month ago

Pull up revision 1.32 (via patch, requested by tron):
  Use accurate rounding in conversion between OSS and NetBSD
  volume values.  Fixes among other things PR#10818.

pullup (approved  by releng-1-5)

Use accurate rounding in conversion between OSS and NetBSD volume values.
The optimized integer formula was supplied by Wolfgang Solfrank on
"tech-kern@netbsd.org". This fixes problems with e.g  FreeBSD TV (fxtv),
RealPlayer-7.0 Beta 2 (PR pkg/10818) and KDE's "kscd".

syssrc/sys/compat/ossaudio/ossaudio.c		1.31 -> 1.32
basesrc/lib/libossaudio/ossaudio.c		1.11 -> 1.12

Use accurate rounding in conversion between OSS and NetBSD volume values.
The optimized integer formula was supplied by Wolfgang Solfrank on
"tech-kern@netbsd.org". This fixes problems with e.g  FreeBSD TV (fxtv),
RealPlayer-7.0 Beta 2 (PR pkg/10818) and KDE's "kscd".

Pull up:
sys/compat/ossaudio/ossaudio.c 1.30-1.31
sys/compat/ossaudio/ossaudiovar.h 1.7-1.9
lib/libossaudio/ossaudio.c 1.10-1.11
Accept mixer values above max (100).
Handle the info from AUDIO_MIXER_DEVINFO properly, parts of it is opaque.
Approved by thorpej.

Implement OSS_GETVERSION.
Accept mixer values above max (100).
Handle the info from AUDIO_MIXER_DEVINFO properly, parts of it is opaque.

Pull up to last week's -current.

Implement OSS_SOUND_MIXER_INFO.

Per discussion with Lennart Augustsson, change the behaviour to report emulated
encodings, too.  (This is currently an issue with the eso(4) driver, which,
due to different byte orders in playing and recording directions, sets the
emulated flag for all 16-bit encodings, although it could be argued that this
is an unfortunate weakness of the query_encoding() interface.)

Sync w/ -current.

Add "use counting" to file entries.  When closing a file, and it's reference
count is 0, wait for use count to drain before finishing the close.

This is necessary in order for multiple processes to safely share file
descriptor tables.

Make a bunch of copyright headers conform to the standard.
Pullup approved by Perry.

Make copyright conform.

Add MIDI support.  The MIDI devices can be accessed as ``raw'' through
the /dev/rmidiN devices, or with a sequencer interface via /dev/music.
So far the only supported MIDI device is the MPU401 port on SoundBlaster
(and only on SB on isapnp, since we do not have locators with multiple
values yet).

Fix off by 1 error

Pull up 1.24, per request of mycroft.

SETFRAGMENT ignores the high bit.

Make the audio API (almost) SunOS compatible.
The changes is to allow some limited mixer manipulation through
the audio device (instead of the mixer device).
This rendered 4 methods in audio_hw_if unused so garbage collect these.

Insert missing NetBSD copyright notices.

Update marc-pcmcia branch from trunk.

Emulate setting the hiwater mark with SETFRAGMENT the right way.
Get rid of some 'register'.

Update marc-pcmcia branch from trunk.

Increase the number of mixer devices the emulation looks at.

Update marc-pcmcia branch from trunk.

Oops, forgot two lines in last commit.

Implement OSS_SNDCTL_DSP_NONBLOCK.

Some more debugging output.

Make sure OSS_SNDCTL_DSP_GETFMTS returns the formats the audio driver
can handle and not just some random guess.
Also add some debugging stuff.

Improve ioctl decoding.
Change mixer name mappings.

Make sure the blocksize is always a power of 2 when inspected.
OSS only uses powers of 2 so some programs expect this.
Now Quake works!

Changes to the sudio system:
  - It is now possible to handle devices that want "looping" DMA,
    e.g. the SoundBlaster correctly.  The WSS and SB drivers use this.
    To do this several new methods were introduced in audio_hw_if.
  - Different silence handling (forced by previous change).
  - The audio driver can now be mmap()-ed, but due to problems in
    the VM system only for writing for now.
  - The OSS (Linux) audio emulation takes advantage of some of the
    new features.

In the name of backwards compatibility AUDIO_ENCODING_LINEAR has been
renamed AUDIO_ENCODING_SLINEAR and AUDIO_ENCODING_LINEAR reverts to the
NetBSD 1.2 sematics.  A kernel with COMPAT_12 defined will accept
AUDIO_ENCODING_LINEAR and treat it as before, without COMPAT_12 it
will be rejected.

Add missing initialization.

Fix recording source selection bug.

Return audio buffer size in audio_info_t with ioctl() AUDIO_GETINFO.
Use the buffer size to implement one more OSS ioctl().

Convert to new orthogonal audio encoding scheme and implement
some of the new encodings.  The change to ioctl AUDIO_GETENC is
NOT backwards compatible.

Improve setting of record source.

* Move the Linux audio emulation into its own directory and rename it
  OSS (aka VoxWare) audio emulation.
* Use the OSS audio emulation for Linux and FreeBSD.
* Add mixer emulation to the OSS emulator.

Copy back the format we set in SNDCTL_DSP_SETFMT.

SOUND_PCM_WRITE_CHANNELS -> SNDCTL_DSP_CHANNELS, to match current Linux code.

Emulate the SOUND_PCM_WRITE_CHANNELS ioctl.  From PR 3356, by Lennart
Augustsson.  Also add hooks for mixer ioctls.

Add RCS Id.

Separate ioctl emulation by group.  Add (minimal) audio emulation.