Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
25 lines
802 B
C
25 lines
802 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef _ASM_POWERPC_VPHN_H
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#define _ASM_POWERPC_VPHN_H
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/* The H_HOME_NODE_ASSOCIATIVITY h_call returns 6 64-bit registers. */
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#define VPHN_REGISTER_COUNT 6
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/*
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* 6 64-bit registers unpacked into up to 24 be32 associativity values. To
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* form the complete property we have to add the length in the first cell.
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*/
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#define VPHN_ASSOC_BUFSIZE (VPHN_REGISTER_COUNT*sizeof(u64)/sizeof(u16) + 1)
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/*
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* The H_HOME_NODE_ASSOCIATIVITY hcall takes two values for flags:
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* 1 for retrieving associativity information for a guest cpu
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* 2 for retrieving associativity information for a host/hypervisor cpu
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*/
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#define VPHN_FLAG_VCPU 1
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#define VPHN_FLAG_PCPU 2
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long hcall_vphn(unsigned long cpu, u64 flags, __be32 *associativity);
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#endif // _ASM_POWERPC_VPHN_H
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