Commit | Line | Data |
---|---|---|
637cba02 | 1 | /* |
1da177e4 LT |
2 | * APIC driver for "bigsmp" XAPIC machines with more than 8 virtual CPUs. |
3 | * Drives the local APIC in "clustered mode". | |
4 | */ | |
5 | #define APIC_DEFINITION 1 | |
1da177e4 LT |
6 | #include <linux/threads.h> |
7 | #include <linux/cpumask.h> | |
8 | #include <asm/mpspec.h> | |
9 | #include <asm/genapic.h> | |
10 | #include <asm/fixmap.h> | |
11 | #include <asm/apicdef.h> | |
12 | #include <linux/kernel.h> | |
1da177e4 LT |
13 | #include <linux/init.h> |
14 | #include <linux/dmi.h> | |
1176fa91 | 15 | #include <asm/bigsmp/apicdef.h> |
4696ca5b | 16 | #include <linux/smp.h> |
1176fa91 YL |
17 | #include <asm/bigsmp/apic.h> |
18 | #include <asm/bigsmp/ipi.h> | |
1da177e4 | 19 | #include <asm/mach-default/mach_mpparse.h> |
569712b2 | 20 | #include <asm/mach-default/mach_wakecpu.h> |
1da177e4 LT |
21 | |
22 | static int dmi_bigsmp; /* can be set by dmi scanners */ | |
23 | ||
1855256c | 24 | static int hp_ht_bigsmp(const struct dmi_system_id *d) |
1da177e4 | 25 | { |
1da177e4 LT |
26 | printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident); |
27 | dmi_bigsmp = 1; | |
1da177e4 LT |
28 | return 0; |
29 | } | |
30 | ||
31 | ||
1855256c | 32 | static const struct dmi_system_id bigsmp_dmi_table[] = { |
637cba02 PC |
33 | { hp_ht_bigsmp, "HP ProLiant DL760 G2", |
34 | { DMI_MATCH(DMI_BIOS_VENDOR, "HP"), | |
35 | DMI_MATCH(DMI_BIOS_VERSION, "P44-"),} | |
36 | }, | |
37 | ||
38 | { hp_ht_bigsmp, "HP ProLiant DL740", | |
39 | { DMI_MATCH(DMI_BIOS_VENDOR, "HP"), | |
40 | DMI_MATCH(DMI_BIOS_VERSION, "P47-"),} | |
41 | }, | |
1da177e4 LT |
42 | { } |
43 | }; | |
44 | ||
e2d40b18 | 45 | static void bigsmp_vector_allocation_domain(int cpu, cpumask_t *retmask) |
497c9a19 | 46 | { |
e7986739 MT |
47 | cpus_clear(*retmask); |
48 | cpu_set(cpu, *retmask); | |
497c9a19 | 49 | } |
1da177e4 | 50 | |
af669c97 | 51 | static int probe_bigsmp(void) |
637cba02 | 52 | { |
911a62d4 | 53 | if (def_to_bigsmp) |
e0da3364 | 54 | dmi_bigsmp = 1; |
911a62d4 VP |
55 | else |
56 | dmi_check_system(bigsmp_dmi_table); | |
637cba02 PC |
57 | return dmi_bigsmp; |
58 | } | |
1da177e4 | 59 | |
d26b6d66 IM |
60 | struct genapic apic_bigsmp = { |
61 | ||
62 | .name = "bigsmp", | |
63 | .probe = probe_bigsmp, | |
306db03b | 64 | .acpi_madt_oem_check = NULL, |
7ed248da | 65 | .apic_id_registered = bigsmp_apic_id_registered, |
d26b6d66 | 66 | |
d8a3539e IM |
67 | .irq_delivery_mode = dest_Fixed, |
68 | /* phys delivery to target CPU: */ | |
69 | .irq_dest_mode = 0, | |
d26b6d66 | 70 | |
0a9cc20b | 71 | .target_cpus = bigsmp_target_cpus, |
08125d3e | 72 | .disable_esr = 1, |
bdb1a9b6 | 73 | .dest_logical = 0, |
d1d7cae8 IM |
74 | .check_apicid_used = bigsmp_check_apicid_used, |
75 | .check_apicid_present = bigsmp_check_apicid_present, | |
d26b6d66 | 76 | |
e2d40b18 | 77 | .vector_allocation_domain = bigsmp_vector_allocation_domain, |
a5c43296 | 78 | .init_apic_ldr = bigsmp_init_apic_ldr, |
d26b6d66 | 79 | |
d190cb87 | 80 | .ioapic_phys_id_map = bigsmp_ioapic_phys_id_map, |
72ce0165 | 81 | .setup_apic_routing = bigsmp_setup_apic_routing, |
33a201fa | 82 | .multi_timer_check = NULL, |
3f57a318 | 83 | .apicid_to_node = bigsmp_apicid_to_node, |
d26b6d66 IM |
84 | .cpu_to_logical_apicid = cpu_to_logical_apicid, |
85 | .cpu_present_to_apicid = cpu_present_to_apicid, | |
86 | .apicid_to_cpu_present = apicid_to_cpu_present, | |
87 | .setup_portio_remap = setup_portio_remap, | |
88 | .check_phys_apicid_present = check_phys_apicid_present, | |
89 | .enable_apic_mode = enable_apic_mode, | |
90 | .phys_pkg_id = phys_pkg_id, | |
91 | .mps_oem_check = mps_oem_check, | |
92 | ||
93 | .get_apic_id = get_apic_id, | |
94 | .set_apic_id = NULL, | |
95 | .apic_id_mask = APIC_ID_MASK, | |
96 | ||
97 | .cpu_mask_to_apicid = cpu_mask_to_apicid, | |
98 | .cpu_mask_to_apicid_and = cpu_mask_to_apicid_and, | |
99 | ||
100 | .send_IPI_mask = send_IPI_mask, | |
101 | .send_IPI_mask_allbutself = NULL, | |
102 | .send_IPI_allbutself = send_IPI_allbutself, | |
103 | .send_IPI_all = send_IPI_all, | |
104 | .send_IPI_self = NULL, | |
105 | ||
106 | .wakeup_cpu = NULL, | |
107 | .trampoline_phys_low = TRAMPOLINE_PHYS_LOW, | |
108 | .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH, | |
109 | .wait_for_init_deassert = wait_for_init_deassert, | |
110 | .smp_callin_clear_local_apic = smp_callin_clear_local_apic, | |
111 | .store_NMI_vector = store_NMI_vector, | |
112 | .restore_NMI_vector = restore_NMI_vector, | |
113 | .inquire_remote_apic = inquire_remote_apic, | |
114 | }; |