1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* APIC driver for the IBM "Summit" chipset.
*/
#define APIC_DEFINITION 1
#include <linux/threads.h>
#include <linux/cpumask.h>
#include <asm/mpspec.h>
#include <asm/genapic.h>
#include <asm/fixmap.h>
#include <asm/apicdef.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/init.h>
#include <asm/summit/apicdef.h>
#include <linux/smp.h>
#include <asm/summit/apic.h>
#include <asm/summit/ipi.h>
#include <asm/summit/mpparse.h>
#include <asm/mach-default/mach_wakecpu.h>
static int probe_summit(void)
{
/* probed later in mptable/ACPI hooks */
return 0;
}
static void summit_vector_allocation_domain(int cpu, cpumask_t *retmask)
{
/* Careful. Some cpus do not strictly honor the set of cpus
* specified in the interrupt destination when using lowest
* priority interrupt delivery mode.
*
* In particular there was a hyperthreading cpu observed to
* deliver interrupts to the wrong hyperthread when only one
* hyperthread was specified in the interrupt desitination.
*/
*retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } };
}
struct genapic apic_summit = {
.name = "summit",
.probe = probe_summit,
.acpi_madt_oem_check = summit_acpi_madt_oem_check,
.apic_id_registered = summit_apic_id_registered,
.irq_delivery_mode = dest_LowestPrio,
/* logical delivery broadcast to all CPUs: */
.irq_dest_mode = 1,
.target_cpus = summit_target_cpus,
.disable_esr = 1,
.dest_logical = APIC_DEST_LOGICAL,
.check_apicid_used = summit_check_apicid_used,
.check_apicid_present = summit_check_apicid_present,
.vector_allocation_domain = summit_vector_allocation_domain,
.init_apic_ldr = summit_init_apic_ldr,
.ioapic_phys_id_map = summit_ioapic_phys_id_map,
.setup_apic_routing = summit_setup_apic_routing,
.multi_timer_check = NULL,
.apicid_to_node = summit_apicid_to_node,
.cpu_to_logical_apicid = summit_cpu_to_logical_apicid,
.cpu_present_to_apicid = summit_cpu_present_to_apicid,
.apicid_to_cpu_present = summit_apicid_to_cpu_present,
.setup_portio_remap = NULL,
.check_phys_apicid_present = summit_check_phys_apicid_present,
.enable_apic_mode = enable_apic_mode,
.phys_pkg_id = phys_pkg_id,
.mps_oem_check = mps_oem_check,
.get_apic_id = get_apic_id,
.set_apic_id = NULL,
.apic_id_mask = APIC_ID_MASK,
.cpu_mask_to_apicid = cpu_mask_to_apicid,
.cpu_mask_to_apicid_and = cpu_mask_to_apicid_and,
.send_IPI_mask = send_IPI_mask,
.send_IPI_mask_allbutself = NULL,
.send_IPI_allbutself = send_IPI_allbutself,
.send_IPI_all = send_IPI_all,
.send_IPI_self = NULL,
.wakeup_cpu = NULL,
.trampoline_phys_low = TRAMPOLINE_PHYS_LOW,
.trampoline_phys_high = TRAMPOLINE_PHYS_HIGH,
.wait_for_init_deassert = wait_for_init_deassert,
.smp_callin_clear_local_apic = smp_callin_clear_local_apic,
.store_NMI_vector = store_NMI_vector,
.restore_NMI_vector = restore_NMI_vector,
.inquire_remote_apic = inquire_remote_apic,
};
|
