bsd-user: implement sysctlbyname(2)

do_freebsd_sysctlbyname needs to translate the 'name' back down to a OID
so we can intercept the special ones. Do that and call the common wrapper
do_freebsd_sysc

bsd-user: implement sysctlbyname(2)

do_freebsd_sysctlbyname needs to translate the 'name' back down to a OID
so we can intercept the special ones. Do that and call the common wrapper
do_freebsd_sysctl_oid.

Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

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bsd-user: do_freebsd_sysctl helper for sysctl(2)

Implement the wrapper function for sysctl(2). This puts the oid
arguments into a standard form and calls the common
do_freebsd_sysctl_oid.

Signed-of

bsd-user: do_freebsd_sysctl helper for sysctl(2)

Implement the wrapper function for sysctl(2). This puts the oid
arguments into a standard form and calls the common
do_freebsd_sysctl_oid.

Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Co-Authored-by: Juergen Lock <nox@jelal.kn-bremen.de>
Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Co-Authored-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

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bsd-user: Start translation of arch-specific sysctls

Intercept some syscalls that we need to translate (like the archiecture
we're running on) and translate them. These are only the simplest ones
so

bsd-user: Start translation of arch-specific sysctls

Intercept some syscalls that we need to translate (like the archiecture
we're running on) and translate them. These are only the simplest ones
so far.

Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Co-Authored-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Co-Authored-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

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bsd-user: common routine do_freebsd_sysctl_oid for all sysctl variants

do_freebsd_sysctl_oid filters out some of the binary and special sysctls
where host != target. None of the sysctls that have to

bsd-user: common routine do_freebsd_sysctl_oid for all sysctl variants

do_freebsd_sysctl_oid filters out some of the binary and special sysctls
where host != target. None of the sysctls that have to be translated from
host to target are handled here.

Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Co-Authored-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Co-Authored-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

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bsd-user: sysctl helper funtions: sysctl_name2oid and sysctl_oidfmt

Helper functions for sysctl implementations. sysctl_name2oid and
sysctl_oidfmt convert oids between host and targets

Signed-off-b

bsd-user: sysctl helper funtions: sysctl_name2oid and sysctl_oidfmt

Helper functions for sysctl implementations. sysctl_name2oid and
sysctl_oidfmt convert oids between host and targets

Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

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bsd-user: Helper routines oidfmt

oidfmt uses undocumented system call to get the type of the sysctl.

Co-Authored-by: Sean Bruno <sbruno@FreeBSD.org>
Signed-off-by: Sean Bruno <sbruno@FreeBSD.org>
C

bsd-user: Helper routines oidfmt

oidfmt uses undocumented system call to get the type of the sysctl.

Co-Authored-by: Sean Bruno <sbruno@FreeBSD.org>
Signed-off-by: Sean Bruno <sbruno@FreeBSD.org>
Co-Authored-by: Juergen Lock <nox@jelal.kn-bremen.de>
Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Co-Authored-by: Raphael Kubo da Costa <rakuco@FreeBSD.org>
Signed-off-by: Raphael Kubo da Costa <rakuco@FreeBSD.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>

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bsd-user: various helper routines for sysctl

cap_memory - Caps the memory to just below MAXINT
scale_to_guest_pages - Account for difference in host / guest page size
h2g_long_sat - converts a int64

bsd-user: various helper routines for sysctl

cap_memory - Caps the memory to just below MAXINT
scale_to_guest_pages - Account for difference in host / guest page size
h2g_long_sat - converts a int64_t to a int32_t, saturating at max / min values
h2g_ulong_sat - converts a uint64_t to a uint32_t, saturating at max value

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

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bsd-user: Clean up includes

This commit was created with scripts/clean-includes.

All .c should include qemu/osdep.h first. The script performs three
related cleanups:

* Ensure .c files include qe

bsd-user: Clean up includes

This commit was created with scripts/clean-includes.

All .c should include qemu/osdep.h first. The script performs three
related cleanups:

* Ensure .c files include qemu/osdep.h first.
* Including it in a .h is redundant, since the .c already includes
it. Drop such inclusions.
* Likewise, including headers qemu/osdep.h includes is redundant.
Drop these, too.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20230202133830.2152150-6-armbru@redhat.com>

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bsd-user/sysarch: Move to using do_freebsd_arch_sysarch interface

do_freebsd_arch_sysarch() exists in $ARCH/target_arch_sysarch.h for x86.
Call it from do_freebsd_sysarch() and remove the mostly dup

bsd-user/sysarch: Move to using do_freebsd_arch_sysarch interface

do_freebsd_arch_sysarch() exists in $ARCH/target_arch_sysarch.h for x86.
Call it from do_freebsd_sysarch() and remove the mostly duplicate
version in syscall.c. Future changes will move it to os-sys.c and
support other architectures.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>

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