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>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright 2004 James Cleverdon, IBM.
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*
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* Flat APIC subarch code.
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*
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* Hacked for x86-64 by James Cleverdon from i386 architecture code by
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* Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
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* James Cleverdon.
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*/
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#include <linux/export.h>
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#include <asm/apic.h>
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#include "local.h"
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static u32 physflat_get_apic_id(u32 x)
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{
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return (x >> 24) & 0xFF;
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}
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static int physflat_probe(void)
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{
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return 1;
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}
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static int physflat_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
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{
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return 1;
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}
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static struct apic apic_physflat __ro_after_init = {
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.name = "physical flat",
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.probe = physflat_probe,
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.acpi_madt_oem_check = physflat_acpi_madt_oem_check,
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.dest_mode_logical = false,
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.disable_esr = 0,
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.cpu_present_to_apicid = default_cpu_present_to_apicid,
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.max_apic_id = 0xFE,
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.get_apic_id = physflat_get_apic_id,
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.calc_dest_apicid = apic_default_calc_apicid,
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.send_IPI = default_send_IPI_single_phys,
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.send_IPI_mask = default_send_IPI_mask_sequence_phys,
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.send_IPI_mask_allbutself = default_send_IPI_mask_allbutself_phys,
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.send_IPI_allbutself = default_send_IPI_allbutself,
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.send_IPI_all = default_send_IPI_all,
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.send_IPI_self = default_send_IPI_self,
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.nmi_to_offline_cpu = true,
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.read = native_apic_mem_read,
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.write = native_apic_mem_write,
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.eoi = native_apic_mem_eoi,
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.icr_read = native_apic_icr_read,
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.icr_write = native_apic_icr_write,
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.wait_icr_idle = apic_mem_wait_icr_idle,
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.safe_wait_icr_idle = apic_mem_wait_icr_idle_timeout,
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};
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apic_driver(apic_physflat);
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struct apic *apic __ro_after_init = &apic_physflat;
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EXPORT_SYMBOL_GPL(apic);
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