Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 1 | #include <linux/threads.h> |
| 2 | #include <linux/cpumask.h> |
| 3 | #include <linux/string.h> |
| 4 | #include <linux/kernel.h> |
| 5 | #include <linux/ctype.h> |
Yinghai Lu | 1b9b89e | 2008-07-21 22:08:21 -0700 | [diff] [blame] | 6 | #include <linux/dmar.h> |
Cyrill Gorcunov | 9d0fa6c | 2011-05-19 16:45:49 -0700 | [diff] [blame] | 7 | #include <linux/cpu.h> |
Yinghai Lu | 1b9b89e | 2008-07-21 22:08:21 -0700 | [diff] [blame] | 8 | |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 9 | #include <asm/smp.h> |
Cyrill Gorcunov | 79deb8e | 2011-05-19 16:45:50 -0700 | [diff] [blame] | 10 | #include <asm/x2apic.h> |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 11 | |
Jaswinder Singh Rajput | 2de1f33 | 2009-04-11 12:55:26 +0530 | [diff] [blame] | 12 | static DEFINE_PER_CPU(u32, x86_cpu_to_logical_apicid); |
Cyrill Gorcunov | a39d1f3 | 2011-05-19 16:45:48 -0700 | [diff] [blame] | 13 | static DEFINE_PER_CPU(cpumask_var_t, cpus_in_cluster); |
Cyrill Gorcunov | 9d0fa6c | 2011-05-19 16:45:49 -0700 | [diff] [blame] | 14 | static DEFINE_PER_CPU(cpumask_var_t, ipi_mask); |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 15 | |
Marcin Slusarz | 2caa371 | 2008-10-12 11:44:11 +0200 | [diff] [blame] | 16 | static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id) |
Yinghai Lu | 1b9b89e | 2008-07-21 22:08:21 -0700 | [diff] [blame] | 17 | { |
Suresh Siddha | ef1f87a | 2009-02-21 14:23:21 -0800 | [diff] [blame] | 18 | return x2apic_enabled(); |
Yinghai Lu | 1b9b89e | 2008-07-21 22:08:21 -0700 | [diff] [blame] | 19 | } |
| 20 | |
Cyrill Gorcunov | a39d1f3 | 2011-05-19 16:45:48 -0700 | [diff] [blame] | 21 | static inline u32 x2apic_cluster(int cpu) |
| 22 | { |
| 23 | return per_cpu(x86_cpu_to_logical_apicid, cpu) >> 16; |
| 24 | } |
| 25 | |
Suresh Siddha | a27d0b5 | 2011-05-19 16:45:47 -0700 | [diff] [blame] | 26 | static void |
| 27 | __x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest) |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 28 | { |
Cyrill Gorcunov | 9d0fa6c | 2011-05-19 16:45:49 -0700 | [diff] [blame] | 29 | struct cpumask *cpus_in_cluster_ptr; |
| 30 | struct cpumask *ipi_mask_ptr; |
| 31 | unsigned int cpu, this_cpu; |
Ingo Molnar | dac5f41 | 2009-01-28 15:42:24 +0100 | [diff] [blame] | 32 | unsigned long flags; |
Cyrill Gorcunov | 9d0fa6c | 2011-05-19 16:45:49 -0700 | [diff] [blame] | 33 | u32 dest; |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 34 | |
Suresh Siddha | ce4e240 | 2009-03-17 10:16:54 -0800 | [diff] [blame] | 35 | x2apic_wrmsr_fence(); |
| 36 | |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 37 | local_irq_save(flags); |
Suresh Siddha | a27d0b5 | 2011-05-19 16:45:47 -0700 | [diff] [blame] | 38 | |
| 39 | this_cpu = smp_processor_id(); |
Cyrill Gorcunov | 9d0fa6c | 2011-05-19 16:45:49 -0700 | [diff] [blame] | 40 | |
| 41 | /* |
| 42 | * We are to modify mask, so we need an own copy |
| 43 | * and be sure it's manipulated with irq off. |
| 44 | */ |
| 45 | ipi_mask_ptr = __raw_get_cpu_var(ipi_mask); |
| 46 | cpumask_copy(ipi_mask_ptr, mask); |
| 47 | |
| 48 | /* |
| 49 | * The idea is to send one IPI per cluster. |
| 50 | */ |
| 51 | for_each_cpu(cpu, ipi_mask_ptr) { |
| 52 | unsigned long i; |
| 53 | |
| 54 | cpus_in_cluster_ptr = per_cpu(cpus_in_cluster, cpu); |
| 55 | dest = 0; |
| 56 | |
| 57 | /* Collect cpus in cluster. */ |
| 58 | for_each_cpu_and(i, ipi_mask_ptr, cpus_in_cluster_ptr) { |
| 59 | if (apic_dest == APIC_DEST_ALLINC || i != this_cpu) |
| 60 | dest |= per_cpu(x86_cpu_to_logical_apicid, i); |
| 61 | } |
| 62 | |
| 63 | if (!dest) |
Suresh Siddha | a27d0b5 | 2011-05-19 16:45:47 -0700 | [diff] [blame] | 64 | continue; |
Cyrill Gorcunov | 9d0fa6c | 2011-05-19 16:45:49 -0700 | [diff] [blame] | 65 | |
| 66 | __x2apic_send_IPI_dest(dest, vector, apic->dest_logical); |
| 67 | /* |
| 68 | * Cluster sibling cpus should be discared now so |
| 69 | * we would not send IPI them second time. |
| 70 | */ |
| 71 | cpumask_andnot(ipi_mask_ptr, ipi_mask_ptr, cpus_in_cluster_ptr); |
Ingo Molnar | dac5f41 | 2009-01-28 15:42:24 +0100 | [diff] [blame] | 72 | } |
Suresh Siddha | a27d0b5 | 2011-05-19 16:45:47 -0700 | [diff] [blame] | 73 | |
Mike Travis | e798673 | 2008-12-16 17:33:52 -0800 | [diff] [blame] | 74 | local_irq_restore(flags); |
| 75 | } |
| 76 | |
Suresh Siddha | a27d0b5 | 2011-05-19 16:45:47 -0700 | [diff] [blame] | 77 | static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector) |
| 78 | { |
| 79 | __x2apic_send_IPI_mask(mask, vector, APIC_DEST_ALLINC); |
| 80 | } |
| 81 | |
Ingo Molnar | dac5f41 | 2009-01-28 15:42:24 +0100 | [diff] [blame] | 82 | static void |
Alexander Gordeev | 49d0c7a | 2012-06-05 13:23:15 +0200 | [diff] [blame] | 83 | x2apic_send_IPI_mask_allbutself(const struct cpumask *mask, int vector) |
Mike Travis | e798673 | 2008-12-16 17:33:52 -0800 | [diff] [blame] | 84 | { |
Suresh Siddha | a27d0b5 | 2011-05-19 16:45:47 -0700 | [diff] [blame] | 85 | __x2apic_send_IPI_mask(mask, vector, APIC_DEST_ALLBUT); |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | static void x2apic_send_IPI_allbutself(int vector) |
| 89 | { |
Suresh Siddha | a27d0b5 | 2011-05-19 16:45:47 -0700 | [diff] [blame] | 90 | __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLBUT); |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | static void x2apic_send_IPI_all(int vector) |
| 94 | { |
Suresh Siddha | a27d0b5 | 2011-05-19 16:45:47 -0700 | [diff] [blame] | 95 | __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC); |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 96 | } |
| 97 | |
Alexander Gordeev | ff16432 | 2012-06-07 15:15:59 +0200 | [diff] [blame] | 98 | static int |
Ingo Molnar | debccb3 | 2009-01-28 15:20:18 +0100 | [diff] [blame] | 99 | x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask, |
Alexander Gordeev | ff16432 | 2012-06-07 15:15:59 +0200 | [diff] [blame] | 100 | const struct cpumask *andmask, |
| 101 | unsigned int *apicid) |
Mike Travis | 95d313c | 2008-12-16 17:33:54 -0800 | [diff] [blame] | 102 | { |
Suresh Siddha | 0b8255e | 2012-05-21 16:58:02 -0700 | [diff] [blame] | 103 | u32 dest = 0; |
| 104 | u16 cluster; |
| 105 | int i; |
Mike Travis | 95d313c | 2008-12-16 17:33:54 -0800 | [diff] [blame] | 106 | |
Suresh Siddha | 0b8255e | 2012-05-21 16:58:02 -0700 | [diff] [blame] | 107 | for_each_cpu_and(i, cpumask, andmask) { |
| 108 | if (!cpumask_test_cpu(i, cpu_online_mask)) |
| 109 | continue; |
| 110 | dest = per_cpu(x86_cpu_to_logical_apicid, i); |
| 111 | cluster = x2apic_cluster(i); |
| 112 | break; |
Ingo Molnar | debccb3 | 2009-01-28 15:20:18 +0100 | [diff] [blame] | 113 | } |
| 114 | |
Suresh Siddha | 0b8255e | 2012-05-21 16:58:02 -0700 | [diff] [blame] | 115 | if (!dest) |
Alexander Gordeev | ff16432 | 2012-06-07 15:15:59 +0200 | [diff] [blame] | 116 | return -EINVAL; |
Suresh Siddha | 0b8255e | 2012-05-21 16:58:02 -0700 | [diff] [blame] | 117 | |
| 118 | for_each_cpu_and(i, cpumask, andmask) { |
| 119 | if (!cpumask_test_cpu(i, cpu_online_mask)) |
| 120 | continue; |
| 121 | if (cluster != x2apic_cluster(i)) |
| 122 | continue; |
| 123 | dest |= per_cpu(x86_cpu_to_logical_apicid, i); |
| 124 | } |
| 125 | |
Alexander Gordeev | ff16432 | 2012-06-07 15:15:59 +0200 | [diff] [blame] | 126 | *apicid = dest; |
| 127 | |
| 128 | return 0; |
Mike Travis | 95d313c | 2008-12-16 17:33:54 -0800 | [diff] [blame] | 129 | } |
| 130 | |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 131 | static void init_x2apic_ldr(void) |
| 132 | { |
Cyrill Gorcunov | a39d1f3 | 2011-05-19 16:45:48 -0700 | [diff] [blame] | 133 | unsigned int this_cpu = smp_processor_id(); |
| 134 | unsigned int cpu; |
| 135 | |
| 136 | per_cpu(x86_cpu_to_logical_apicid, this_cpu) = apic_read(APIC_LDR); |
| 137 | |
| 138 | __cpu_set(this_cpu, per_cpu(cpus_in_cluster, this_cpu)); |
| 139 | for_each_online_cpu(cpu) { |
| 140 | if (x2apic_cluster(this_cpu) != x2apic_cluster(cpu)) |
| 141 | continue; |
| 142 | __cpu_set(this_cpu, per_cpu(cpus_in_cluster, cpu)); |
| 143 | __cpu_set(cpu, per_cpu(cpus_in_cluster, this_cpu)); |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | /* |
| 148 | * At CPU state changes, update the x2apic cluster sibling info. |
| 149 | */ |
Paul Gortmaker | 148f9bb | 2013-06-18 18:23:59 -0400 | [diff] [blame] | 150 | static int |
Cyrill Gorcunov | a39d1f3 | 2011-05-19 16:45:48 -0700 | [diff] [blame] | 151 | update_clusterinfo(struct notifier_block *nfb, unsigned long action, void *hcpu) |
| 152 | { |
| 153 | unsigned int this_cpu = (unsigned long)hcpu; |
| 154 | unsigned int cpu; |
| 155 | int err = 0; |
| 156 | |
| 157 | switch (action) { |
| 158 | case CPU_UP_PREPARE: |
| 159 | if (!zalloc_cpumask_var(&per_cpu(cpus_in_cluster, this_cpu), |
| 160 | GFP_KERNEL)) { |
| 161 | err = -ENOMEM; |
Cyrill Gorcunov | 9d0fa6c | 2011-05-19 16:45:49 -0700 | [diff] [blame] | 162 | } else if (!zalloc_cpumask_var(&per_cpu(ipi_mask, this_cpu), |
| 163 | GFP_KERNEL)) { |
| 164 | free_cpumask_var(per_cpu(cpus_in_cluster, this_cpu)); |
| 165 | err = -ENOMEM; |
Cyrill Gorcunov | a39d1f3 | 2011-05-19 16:45:48 -0700 | [diff] [blame] | 166 | } |
| 167 | break; |
| 168 | case CPU_UP_CANCELED: |
| 169 | case CPU_UP_CANCELED_FROZEN: |
| 170 | case CPU_DEAD: |
| 171 | for_each_online_cpu(cpu) { |
| 172 | if (x2apic_cluster(this_cpu) != x2apic_cluster(cpu)) |
| 173 | continue; |
| 174 | __cpu_clear(this_cpu, per_cpu(cpus_in_cluster, cpu)); |
| 175 | __cpu_clear(cpu, per_cpu(cpus_in_cluster, this_cpu)); |
| 176 | } |
| 177 | free_cpumask_var(per_cpu(cpus_in_cluster, this_cpu)); |
Cyrill Gorcunov | 9d0fa6c | 2011-05-19 16:45:49 -0700 | [diff] [blame] | 178 | free_cpumask_var(per_cpu(ipi_mask, this_cpu)); |
Cyrill Gorcunov | a39d1f3 | 2011-05-19 16:45:48 -0700 | [diff] [blame] | 179 | break; |
| 180 | } |
| 181 | |
| 182 | return notifier_from_errno(err); |
| 183 | } |
| 184 | |
| 185 | static struct notifier_block __refdata x2apic_cpu_notifier = { |
| 186 | .notifier_call = update_clusterinfo, |
| 187 | }; |
| 188 | |
| 189 | static int x2apic_init_cpu_notifier(void) |
| 190 | { |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 191 | int cpu = smp_processor_id(); |
| 192 | |
Cyrill Gorcunov | a39d1f3 | 2011-05-19 16:45:48 -0700 | [diff] [blame] | 193 | zalloc_cpumask_var(&per_cpu(cpus_in_cluster, cpu), GFP_KERNEL); |
Cyrill Gorcunov | 9d0fa6c | 2011-05-19 16:45:49 -0700 | [diff] [blame] | 194 | zalloc_cpumask_var(&per_cpu(ipi_mask, cpu), GFP_KERNEL); |
Cyrill Gorcunov | a39d1f3 | 2011-05-19 16:45:48 -0700 | [diff] [blame] | 195 | |
Cyrill Gorcunov | 9d0fa6c | 2011-05-19 16:45:49 -0700 | [diff] [blame] | 196 | BUG_ON(!per_cpu(cpus_in_cluster, cpu) || !per_cpu(ipi_mask, cpu)); |
Cyrill Gorcunov | a39d1f3 | 2011-05-19 16:45:48 -0700 | [diff] [blame] | 197 | |
| 198 | __cpu_set(cpu, per_cpu(cpus_in_cluster, cpu)); |
| 199 | register_hotcpu_notifier(&x2apic_cpu_notifier); |
| 200 | return 1; |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 201 | } |
| 202 | |
Suresh Siddha | 9ebd680 | 2011-05-19 16:45:46 -0700 | [diff] [blame] | 203 | static int x2apic_cluster_probe(void) |
| 204 | { |
Cyrill Gorcunov | a39d1f3 | 2011-05-19 16:45:48 -0700 | [diff] [blame] | 205 | if (x2apic_mode) |
| 206 | return x2apic_init_cpu_notifier(); |
| 207 | else |
| 208 | return 0; |
Suresh Siddha | 9ebd680 | 2011-05-19 16:45:46 -0700 | [diff] [blame] | 209 | } |
| 210 | |
Suresh Siddha | d872818 | 2012-06-25 13:38:29 -0700 | [diff] [blame] | 211 | static const struct cpumask *x2apic_cluster_target_cpus(void) |
| 212 | { |
| 213 | return cpu_all_mask; |
| 214 | } |
| 215 | |
Suresh Siddha | 0b8255e | 2012-05-21 16:58:02 -0700 | [diff] [blame] | 216 | /* |
| 217 | * Each x2apic cluster is an allocation domain. |
| 218 | */ |
Suresh Siddha | 1ac322d | 2012-06-25 13:38:28 -0700 | [diff] [blame] | 219 | static void cluster_vector_allocation_domain(int cpu, struct cpumask *retmask, |
| 220 | const struct cpumask *mask) |
Suresh Siddha | 0b8255e | 2012-05-21 16:58:02 -0700 | [diff] [blame] | 221 | { |
Suresh Siddha | d872818 | 2012-06-25 13:38:29 -0700 | [diff] [blame] | 222 | /* |
| 223 | * To minimize vector pressure, default case of boot, device bringup |
| 224 | * etc will use a single cpu for the interrupt destination. |
| 225 | * |
| 226 | * On explicit migration requests coming from irqbalance etc, |
| 227 | * interrupts will be routed to the x2apic cluster (cluster-id |
| 228 | * derived from the first cpu in the mask) members specified |
| 229 | * in the mask. |
| 230 | */ |
| 231 | if (mask == x2apic_cluster_target_cpus()) |
| 232 | cpumask_copy(retmask, cpumask_of(cpu)); |
| 233 | else |
| 234 | cpumask_and(retmask, mask, per_cpu(cpus_in_cluster, cpu)); |
Suresh Siddha | 0b8255e | 2012-05-21 16:58:02 -0700 | [diff] [blame] | 235 | } |
| 236 | |
Suresh Siddha | 1a8880a | 2011-05-20 17:51:20 -0700 | [diff] [blame] | 237 | static struct apic apic_x2apic_cluster = { |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 238 | |
| 239 | .name = "cluster x2apic", |
Suresh Siddha | 9ebd680 | 2011-05-19 16:45:46 -0700 | [diff] [blame] | 240 | .probe = x2apic_cluster_probe, |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 241 | .acpi_madt_oem_check = x2apic_acpi_madt_oem_check, |
Steffen Persvold | b7157ac | 2012-03-16 20:25:35 +0100 | [diff] [blame] | 242 | .apic_id_valid = x2apic_apic_id_valid, |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 243 | .apic_id_registered = x2apic_apic_id_registered, |
| 244 | |
Ingo Molnar | f8987a1 | 2009-01-28 04:02:31 +0100 | [diff] [blame] | 245 | .irq_delivery_mode = dest_LowestPrio, |
Ingo Molnar | 0b06e73 | 2009-01-28 05:13:04 +0100 | [diff] [blame] | 246 | .irq_dest_mode = 1, /* logical */ |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 247 | |
Suresh Siddha | d872818 | 2012-06-25 13:38:29 -0700 | [diff] [blame] | 248 | .target_cpus = x2apic_cluster_target_cpus, |
Ingo Molnar | 08125d3 | 2009-01-28 05:08:44 +0100 | [diff] [blame] | 249 | .disable_esr = 0, |
Ingo Molnar | bdb1a9b | 2009-01-28 05:29:25 +0100 | [diff] [blame] | 250 | .dest_logical = APIC_DEST_LOGICAL, |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 251 | .check_apicid_used = NULL, |
| 252 | .check_apicid_present = NULL, |
| 253 | |
Suresh Siddha | 0b8255e | 2012-05-21 16:58:02 -0700 | [diff] [blame] | 254 | .vector_allocation_domain = cluster_vector_allocation_domain, |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 255 | .init_apic_ldr = init_x2apic_ldr, |
| 256 | |
| 257 | .ioapic_phys_id_map = NULL, |
| 258 | .setup_apic_routing = NULL, |
| 259 | .multi_timer_check = NULL, |
Ingo Molnar | a21769a4 | 2009-01-28 06:50:47 +0100 | [diff] [blame] | 260 | .cpu_present_to_apicid = default_cpu_present_to_apicid, |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 261 | .apicid_to_cpu_present = NULL, |
| 262 | .setup_portio_remap = NULL, |
Ingo Molnar | a27a621 | 2009-01-28 12:43:18 +0100 | [diff] [blame] | 263 | .check_phys_apicid_present = default_check_phys_apicid_present, |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 264 | .enable_apic_mode = NULL, |
Cyrill Gorcunov | 79deb8e | 2011-05-19 16:45:50 -0700 | [diff] [blame] | 265 | .phys_pkg_id = x2apic_phys_pkg_id, |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 266 | .mps_oem_check = NULL, |
| 267 | |
Cyrill Gorcunov | 79deb8e | 2011-05-19 16:45:50 -0700 | [diff] [blame] | 268 | .get_apic_id = x2apic_get_apic_id, |
| 269 | .set_apic_id = x2apic_set_apic_id, |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 270 | .apic_id_mask = 0xFFFFFFFFu, |
| 271 | |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 272 | .cpu_mask_to_apicid_and = x2apic_cpu_mask_to_apicid_and, |
| 273 | |
| 274 | .send_IPI_mask = x2apic_send_IPI_mask, |
| 275 | .send_IPI_mask_allbutself = x2apic_send_IPI_mask_allbutself, |
| 276 | .send_IPI_allbutself = x2apic_send_IPI_allbutself, |
| 277 | .send_IPI_all = x2apic_send_IPI_all, |
| 278 | .send_IPI_self = x2apic_send_IPI_self, |
| 279 | |
Ingo Molnar | abfa584 | 2009-01-28 16:15:16 +0100 | [diff] [blame] | 280 | .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, |
| 281 | .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, |
David Rientjes | 465822c | 2014-02-04 23:55:01 -0800 | [diff] [blame^] | 282 | .wait_for_init_deassert = false, |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 283 | .smp_callin_clear_local_apic = NULL, |
Ingo Molnar | 504a3c3 | 2009-01-28 02:37:01 +0100 | [diff] [blame] | 284 | .inquire_remote_apic = NULL, |
Yinghai Lu | c1eeb2d | 2009-02-16 23:02:14 -0800 | [diff] [blame] | 285 | |
| 286 | .read = native_apic_msr_read, |
| 287 | .write = native_apic_msr_write, |
Michael S. Tsirkin | 0ab711a | 2012-05-16 19:03:58 +0300 | [diff] [blame] | 288 | .eoi_write = native_apic_msr_eoi_write, |
Yinghai Lu | c1eeb2d | 2009-02-16 23:02:14 -0800 | [diff] [blame] | 289 | .icr_read = native_x2apic_icr_read, |
| 290 | .icr_write = native_x2apic_icr_write, |
| 291 | .wait_icr_idle = native_x2apic_wait_icr_idle, |
| 292 | .safe_wait_icr_idle = native_safe_x2apic_wait_icr_idle, |
Suresh Siddha | 12a67cf | 2008-07-10 11:16:54 -0700 | [diff] [blame] | 293 | }; |
Suresh Siddha | 107e0e0 | 2011-05-20 17:51:17 -0700 | [diff] [blame] | 294 | |
| 295 | apic_driver(apic_x2apic_cluster); |