diff options
Diffstat (limited to 'arch/x86/kernel/apic/x2apic_phys.c')
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_phys.c | 45 |
1 files changed, 41 insertions, 4 deletions
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index 3baf0c3dc875..f8d9d69994e6 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/threads.h> #include <linux/cpumask.h> #include <linux/string.h> @@ -6,7 +7,8 @@ #include <linux/dmar.h> #include <asm/smp.h> -#include <asm/x2apic.h> +#include <asm/ipi.h> +#include "x2apic.h" int x2apic_phys; @@ -98,6 +100,43 @@ static int x2apic_phys_probe(void) return apic == &apic_x2apic_phys; } +/* Common x2apic functions, also used by x2apic_cluster */ +int x2apic_apic_id_valid(int apicid) +{ + return 1; +} + +int x2apic_apic_id_registered(void) +{ + return 1; +} + +void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest) +{ + unsigned long cfg = __prepare_ICR(0, vector, dest); + native_x2apic_icr_write(cfg, apicid); +} + +unsigned int x2apic_get_apic_id(unsigned long id) +{ + return id; +} + +u32 x2apic_set_apic_id(unsigned int id) +{ + return id; +} + +int x2apic_phys_pkg_id(int initial_apicid, int index_msb) +{ + return initial_apicid >> index_msb; +} + +void x2apic_send_IPI_self(int vector) +{ + apic_write(APIC_SELF_IPI, vector); +} + static struct apic apic_x2apic_phys __ro_after_init = { .name = "physical x2apic", @@ -109,12 +148,10 @@ static struct apic apic_x2apic_phys __ro_after_init = { .irq_delivery_mode = dest_Fixed, .irq_dest_mode = 0, /* physical */ - .target_cpus = online_target_cpus, .disable_esr = 0, .dest_logical = 0, .check_apicid_used = NULL, - .vector_allocation_domain = default_vector_allocation_domain, .init_apic_ldr = init_x2apic_ldr, .ioapic_phys_id_map = NULL, @@ -127,7 +164,7 @@ static struct apic apic_x2apic_phys __ro_after_init = { .get_apic_id = x2apic_get_apic_id, .set_apic_id = x2apic_set_apic_id, - .cpu_mask_to_apicid = default_cpu_mask_to_apicid, + .calc_dest_apicid = apic_default_calc_apicid, .send_IPI = x2apic_send_IPI, .send_IPI_mask = x2apic_send_IPI_mask, |