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Diffstat (limited to 'arch/x86/kernel/genx2apic_phys.c')
-rw-r--r--arch/x86/kernel/genx2apic_phys.c125
1 files changed, 77 insertions, 48 deletions
diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c
index 21bcc0e098b..5cbae8aa040 100644
--- a/arch/x86/kernel/genx2apic_phys.c
+++ b/arch/x86/kernel/genx2apic_phys.c
@@ -55,8 +55,8 @@ static void __x2apic_send_IPI_dest(unsigned int apicid, int vector,
55 55
56static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector) 56static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector)
57{ 57{
58 unsigned long flags;
59 unsigned long query_cpu; 58 unsigned long query_cpu;
59 unsigned long flags;
60 60
61 local_irq_save(flags); 61 local_irq_save(flags);
62 for_each_cpu(query_cpu, mask) { 62 for_each_cpu(query_cpu, mask) {
@@ -66,12 +66,12 @@ static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector)
66 local_irq_restore(flags); 66 local_irq_restore(flags);
67} 67}
68 68
69static void x2apic_send_IPI_mask_allbutself(const struct cpumask *mask, 69static void
70 int vector) 70 x2apic_send_IPI_mask_allbutself(const struct cpumask *mask, int vector)
71{ 71{
72 unsigned long flags;
73 unsigned long query_cpu;
74 unsigned long this_cpu = smp_processor_id(); 72 unsigned long this_cpu = smp_processor_id();
73 unsigned long query_cpu;
74 unsigned long flags;
75 75
76 local_irq_save(flags); 76 local_irq_save(flags);
77 for_each_cpu(query_cpu, mask) { 77 for_each_cpu(query_cpu, mask) {
@@ -85,16 +85,17 @@ static void x2apic_send_IPI_mask_allbutself(const struct cpumask *mask,
85 85
86static void x2apic_send_IPI_allbutself(int vector) 86static void x2apic_send_IPI_allbutself(int vector)
87{ 87{
88 unsigned long flags;
89 unsigned long query_cpu;
90 unsigned long this_cpu = smp_processor_id(); 88 unsigned long this_cpu = smp_processor_id();
89 unsigned long query_cpu;
90 unsigned long flags;
91 91
92 local_irq_save(flags); 92 local_irq_save(flags);
93 for_each_online_cpu(query_cpu) 93 for_each_online_cpu(query_cpu) {
94 if (query_cpu != this_cpu) 94 if (query_cpu == this_cpu)
95 __x2apic_send_IPI_dest( 95 continue;
96 per_cpu(x86_cpu_to_apicid, query_cpu), 96 __x2apic_send_IPI_dest(per_cpu(x86_cpu_to_apicid, query_cpu),
97 vector, APIC_DEST_PHYSICAL); 97 vector, APIC_DEST_PHYSICAL);
98 }
98 local_irq_restore(flags); 99 local_irq_restore(flags);
99} 100}
100 101
@@ -110,21 +111,21 @@ static int x2apic_apic_id_registered(void)
110 111
111static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask) 112static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask)
112{ 113{
113 int cpu;
114
115 /* 114 /*
116 * We're using fixed IRQ delivery, can only return one phys APIC ID. 115 * We're using fixed IRQ delivery, can only return one phys APIC ID.
117 * May as well be the first. 116 * May as well be the first.
118 */ 117 */
119 cpu = cpumask_first(cpumask); 118 int cpu = cpumask_first(cpumask);
119
120 if ((unsigned)cpu < nr_cpu_ids) 120 if ((unsigned)cpu < nr_cpu_ids)
121 return per_cpu(x86_cpu_to_apicid, cpu); 121 return per_cpu(x86_cpu_to_apicid, cpu);
122 else 122 else
123 return BAD_APICID; 123 return BAD_APICID;
124} 124}
125 125
126static unsigned int x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask, 126static unsigned int
127 const struct cpumask *andmask) 127x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
128 const struct cpumask *andmask)
128{ 129{
129 int cpu; 130 int cpu;
130 131
@@ -132,31 +133,28 @@ static unsigned int x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
132 * We're using fixed IRQ delivery, can only return one phys APIC ID. 133 * We're using fixed IRQ delivery, can only return one phys APIC ID.
133 * May as well be the first. 134 * May as well be the first.
134 */ 135 */
135 for_each_cpu_and(cpu, cpumask, andmask) 136 for_each_cpu_and(cpu, cpumask, andmask) {
136 if (cpumask_test_cpu(cpu, cpu_online_mask)) 137 if (cpumask_test_cpu(cpu, cpu_online_mask))
137 break; 138 break;
139 }
140
138 if (cpu < nr_cpu_ids) 141 if (cpu < nr_cpu_ids)
139 return per_cpu(x86_cpu_to_apicid, cpu); 142 return per_cpu(x86_cpu_to_apicid, cpu);
143
140 return BAD_APICID; 144 return BAD_APICID;
141} 145}
142 146
143static unsigned int get_apic_id(unsigned long x) 147static unsigned int x2apic_phys_get_apic_id(unsigned long x)
144{ 148{
145 unsigned int id; 149 return x;
146
147 id = x;
148 return id;
149} 150}
150 151
151static unsigned long set_apic_id(unsigned int id) 152static unsigned long set_apic_id(unsigned int id)
152{ 153{
153 unsigned long x; 154 return id;
154
155 x = id;
156 return x;
157} 155}
158 156
159static unsigned int phys_pkg_id(int index_msb) 157static int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
160{ 158{
161 return current_cpu_data.initial_apicid >> index_msb; 159 return current_cpu_data.initial_apicid >> index_msb;
162} 160}
@@ -168,27 +166,58 @@ static void x2apic_send_IPI_self(int vector)
168 166
169static void init_x2apic_ldr(void) 167static void init_x2apic_ldr(void)
170{ 168{
171 return;
172} 169}
173 170
174struct genapic apic_x2apic_phys = { 171struct genapic apic_x2apic_phys = {
175 .name = "physical x2apic", 172
176 .acpi_madt_oem_check = x2apic_acpi_madt_oem_check, 173 .name = "physical x2apic",
177 .int_delivery_mode = dest_Fixed, 174 .probe = NULL,
178 .int_dest_mode = (APIC_DEST_PHYSICAL != 0), 175 .acpi_madt_oem_check = x2apic_acpi_madt_oem_check,
179 .target_cpus = x2apic_target_cpus, 176 .apic_id_registered = x2apic_apic_id_registered,
180 .vector_allocation_domain = x2apic_vector_allocation_domain, 177
181 .apic_id_registered = x2apic_apic_id_registered, 178 .irq_delivery_mode = dest_Fixed,
182 .init_apic_ldr = init_x2apic_ldr, 179 .irq_dest_mode = 0, /* physical */
183 .send_IPI_all = x2apic_send_IPI_all, 180
184 .send_IPI_allbutself = x2apic_send_IPI_allbutself, 181 .target_cpus = x2apic_target_cpus,
185 .send_IPI_mask = x2apic_send_IPI_mask, 182 .disable_esr = 0,
186 .send_IPI_mask_allbutself = x2apic_send_IPI_mask_allbutself, 183 .dest_logical = 0,
187 .send_IPI_self = x2apic_send_IPI_self, 184 .check_apicid_used = NULL,
188 .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, 185 .check_apicid_present = NULL,
189 .cpu_mask_to_apicid_and = x2apic_cpu_mask_to_apicid_and, 186
190 .phys_pkg_id = phys_pkg_id, 187 .vector_allocation_domain = x2apic_vector_allocation_domain,
191 .get_apic_id = get_apic_id, 188 .init_apic_ldr = init_x2apic_ldr,
192 .set_apic_id = set_apic_id, 189
193 .apic_id_mask = (0xFFFFFFFFu), 190 .ioapic_phys_id_map = NULL,
191 .setup_apic_routing = NULL,
192 .multi_timer_check = NULL,
193 .apicid_to_node = NULL,
194 .cpu_to_logical_apicid = NULL,
195 .cpu_present_to_apicid = default_cpu_present_to_apicid,
196 .apicid_to_cpu_present = NULL,
197 .setup_portio_remap = NULL,
198 .check_phys_apicid_present = default_check_phys_apicid_present,
199 .enable_apic_mode = NULL,
200 .phys_pkg_id = x2apic_phys_pkg_id,
201 .mps_oem_check = NULL,
202
203 .get_apic_id = x2apic_phys_get_apic_id,
204 .set_apic_id = set_apic_id,
205 .apic_id_mask = 0xFFFFFFFFu,
206
207 .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid,
208 .cpu_mask_to_apicid_and = x2apic_cpu_mask_to_apicid_and,
209
210 .send_IPI_mask = x2apic_send_IPI_mask,
211 .send_IPI_mask_allbutself = x2apic_send_IPI_mask_allbutself,
212 .send_IPI_allbutself = x2apic_send_IPI_allbutself,
213 .send_IPI_all = x2apic_send_IPI_all,
214 .send_IPI_self = x2apic_send_IPI_self,
215
216 .wakeup_cpu = NULL,
217 .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
218 .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
219 .wait_for_init_deassert = NULL,
220 .smp_callin_clear_local_apic = NULL,
221 .store_NMI_vector = NULL,
222 .inquire_remote_apic = NULL,
194}; 223};