diff options
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r-- | arch/x86/kernel/apic/x2apic_cluster.c | 71 | ||||
-rw-r--r-- | arch/x86/kernel/apic/x2apic_phys.c | 60 |
2 files changed, 7 insertions, 124 deletions
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index 4dfe9363ff4e..f7875d9a18c2 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c | |||
@@ -8,8 +8,7 @@ | |||
8 | #include <linux/cpu.h> | 8 | #include <linux/cpu.h> |
9 | 9 | ||
10 | #include <asm/smp.h> | 10 | #include <asm/smp.h> |
11 | #include <asm/apic.h> | 11 | #include <asm/x2apic.h> |
12 | #include <asm/ipi.h> | ||
13 | 12 | ||
14 | static DEFINE_PER_CPU(u32, x86_cpu_to_logical_apicid); | 13 | static DEFINE_PER_CPU(u32, x86_cpu_to_logical_apicid); |
15 | static DEFINE_PER_CPU(cpumask_var_t, cpus_in_cluster); | 14 | static DEFINE_PER_CPU(cpumask_var_t, cpus_in_cluster); |
@@ -20,37 +19,6 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id) | |||
20 | return x2apic_enabled(); | 19 | return x2apic_enabled(); |
21 | } | 20 | } |
22 | 21 | ||
23 | /* | ||
24 | * need to use more than cpu 0, because we need more vectors when | ||
25 | * MSI-X are used. | ||
26 | */ | ||
27 | static const struct cpumask *x2apic_target_cpus(void) | ||
28 | { | ||
29 | return cpu_online_mask; | ||
30 | } | ||
31 | |||
32 | /* | ||
33 | * for now each logical cpu is in its own vector allocation domain. | ||
34 | */ | ||
35 | static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask) | ||
36 | { | ||
37 | cpumask_clear(retmask); | ||
38 | cpumask_set_cpu(cpu, retmask); | ||
39 | } | ||
40 | |||
41 | static void | ||
42 | __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest) | ||
43 | { | ||
44 | unsigned long cfg; | ||
45 | |||
46 | cfg = __prepare_ICR(0, vector, dest); | ||
47 | |||
48 | /* | ||
49 | * send the IPI. | ||
50 | */ | ||
51 | native_x2apic_icr_write(cfg, apicid); | ||
52 | } | ||
53 | |||
54 | static inline u32 x2apic_cluster(int cpu) | 22 | static inline u32 x2apic_cluster(int cpu) |
55 | { | 23 | { |
56 | return per_cpu(x86_cpu_to_logical_apicid, cpu) >> 16; | 24 | return per_cpu(x86_cpu_to_logical_apicid, cpu) >> 16; |
@@ -128,11 +96,6 @@ static void x2apic_send_IPI_all(int vector) | |||
128 | __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC); | 96 | __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC); |
129 | } | 97 | } |
130 | 98 | ||
131 | static int x2apic_apic_id_registered(void) | ||
132 | { | ||
133 | return 1; | ||
134 | } | ||
135 | |||
136 | static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask) | 99 | static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask) |
137 | { | 100 | { |
138 | /* | 101 | /* |
@@ -165,32 +128,6 @@ x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask, | |||
165 | return per_cpu(x86_cpu_to_logical_apicid, cpu); | 128 | return per_cpu(x86_cpu_to_logical_apicid, cpu); |
166 | } | 129 | } |
167 | 130 | ||
168 | static unsigned int x2apic_cluster_phys_get_apic_id(unsigned long x) | ||
169 | { | ||
170 | unsigned int id; | ||
171 | |||
172 | id = x; | ||
173 | return id; | ||
174 | } | ||
175 | |||
176 | static unsigned long set_apic_id(unsigned int id) | ||
177 | { | ||
178 | unsigned long x; | ||
179 | |||
180 | x = id; | ||
181 | return x; | ||
182 | } | ||
183 | |||
184 | static int x2apic_cluster_phys_pkg_id(int initial_apicid, int index_msb) | ||
185 | { | ||
186 | return initial_apicid >> index_msb; | ||
187 | } | ||
188 | |||
189 | static void x2apic_send_IPI_self(int vector) | ||
190 | { | ||
191 | apic_write(APIC_SELF_IPI, vector); | ||
192 | } | ||
193 | |||
194 | static void init_x2apic_ldr(void) | 131 | static void init_x2apic_ldr(void) |
195 | { | 132 | { |
196 | unsigned int this_cpu = smp_processor_id(); | 133 | unsigned int this_cpu = smp_processor_id(); |
@@ -298,11 +235,11 @@ struct apic apic_x2apic_cluster = { | |||
298 | .setup_portio_remap = NULL, | 235 | .setup_portio_remap = NULL, |
299 | .check_phys_apicid_present = default_check_phys_apicid_present, | 236 | .check_phys_apicid_present = default_check_phys_apicid_present, |
300 | .enable_apic_mode = NULL, | 237 | .enable_apic_mode = NULL, |
301 | .phys_pkg_id = x2apic_cluster_phys_pkg_id, | 238 | .phys_pkg_id = x2apic_phys_pkg_id, |
302 | .mps_oem_check = NULL, | 239 | .mps_oem_check = NULL, |
303 | 240 | ||
304 | .get_apic_id = x2apic_cluster_phys_get_apic_id, | 241 | .get_apic_id = x2apic_get_apic_id, |
305 | .set_apic_id = set_apic_id, | 242 | .set_apic_id = x2apic_set_apic_id, |
306 | .apic_id_mask = 0xFFFFFFFFu, | 243 | .apic_id_mask = 0xFFFFFFFFu, |
307 | 244 | ||
308 | .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, | 245 | .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, |
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index 6ef49e338a73..78c8f33a09fa 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c | |||
@@ -7,8 +7,7 @@ | |||
7 | #include <linux/dmar.h> | 7 | #include <linux/dmar.h> |
8 | 8 | ||
9 | #include <asm/smp.h> | 9 | #include <asm/smp.h> |
10 | #include <asm/apic.h> | 10 | #include <asm/x2apic.h> |
11 | #include <asm/ipi.h> | ||
12 | 11 | ||
13 | int x2apic_phys; | 12 | int x2apic_phys; |
14 | 13 | ||
@@ -27,34 +26,6 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id) | |||
27 | return 0; | 26 | return 0; |
28 | } | 27 | } |
29 | 28 | ||
30 | /* | ||
31 | * need to use more than cpu 0, because we need more vectors when | ||
32 | * MSI-X are used. | ||
33 | */ | ||
34 | static const struct cpumask *x2apic_target_cpus(void) | ||
35 | { | ||
36 | return cpu_online_mask; | ||
37 | } | ||
38 | |||
39 | static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask) | ||
40 | { | ||
41 | cpumask_clear(retmask); | ||
42 | cpumask_set_cpu(cpu, retmask); | ||
43 | } | ||
44 | |||
45 | static void __x2apic_send_IPI_dest(unsigned int apicid, int vector, | ||
46 | unsigned int dest) | ||
47 | { | ||
48 | unsigned long cfg; | ||
49 | |||
50 | cfg = __prepare_ICR(0, vector, dest); | ||
51 | |||
52 | /* | ||
53 | * send the IPI. | ||
54 | */ | ||
55 | native_x2apic_icr_write(cfg, apicid); | ||
56 | } | ||
57 | |||
58 | static void | 29 | static void |
59 | __x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest) | 30 | __x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest) |
60 | { | 31 | { |
@@ -97,11 +68,6 @@ static void x2apic_send_IPI_all(int vector) | |||
97 | __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC); | 68 | __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC); |
98 | } | 69 | } |
99 | 70 | ||
100 | static int x2apic_apic_id_registered(void) | ||
101 | { | ||
102 | return 1; | ||
103 | } | ||
104 | |||
105 | static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask) | 71 | static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask) |
106 | { | 72 | { |
107 | /* | 73 | /* |
@@ -134,26 +100,6 @@ x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask, | |||
134 | return per_cpu(x86_cpu_to_apicid, cpu); | 100 | return per_cpu(x86_cpu_to_apicid, cpu); |
135 | } | 101 | } |
136 | 102 | ||
137 | static unsigned int x2apic_phys_get_apic_id(unsigned long x) | ||
138 | { | ||
139 | return x; | ||
140 | } | ||
141 | |||
142 | static unsigned long set_apic_id(unsigned int id) | ||
143 | { | ||
144 | return id; | ||
145 | } | ||
146 | |||
147 | static int x2apic_phys_pkg_id(int initial_apicid, int index_msb) | ||
148 | { | ||
149 | return initial_apicid >> index_msb; | ||
150 | } | ||
151 | |||
152 | static void x2apic_send_IPI_self(int vector) | ||
153 | { | ||
154 | apic_write(APIC_SELF_IPI, vector); | ||
155 | } | ||
156 | |||
157 | static void init_x2apic_ldr(void) | 103 | static void init_x2apic_ldr(void) |
158 | { | 104 | { |
159 | } | 105 | } |
@@ -196,8 +142,8 @@ struct apic apic_x2apic_phys = { | |||
196 | .phys_pkg_id = x2apic_phys_pkg_id, | 142 | .phys_pkg_id = x2apic_phys_pkg_id, |
197 | .mps_oem_check = NULL, | 143 | .mps_oem_check = NULL, |
198 | 144 | ||
199 | .get_apic_id = x2apic_phys_get_apic_id, | 145 | .get_apic_id = x2apic_get_apic_id, |
200 | .set_apic_id = set_apic_id, | 146 | .set_apic_id = x2apic_set_apic_id, |
201 | .apic_id_mask = 0xFFFFFFFFu, | 147 | .apic_id_mask = 0xFFFFFFFFu, |
202 | 148 | ||
203 | .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, | 149 | .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, |