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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/x86/include/asm/x2apic.h | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'arch/x86/include/asm/x2apic.h')
-rw-r--r-- | arch/x86/include/asm/x2apic.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/x86/include/asm/x2apic.h b/arch/x86/include/asm/x2apic.h new file mode 100644 index 00000000..92e54abf --- /dev/null +++ b/arch/x86/include/asm/x2apic.h @@ -0,0 +1,67 @@ +/* + * Common bits for X2APIC cluster/physical modes. + */ + +#ifndef _ASM_X86_X2APIC_H +#define _ASM_X86_X2APIC_H + +#include <asm/apic.h> +#include <asm/ipi.h> +#include <linux/cpumask.h> + +/* + * Need to use more than cpu 0, because we need more vectors + * when MSI-X are used. + */ +static const struct cpumask *x2apic_target_cpus(void) +{ + return cpu_online_mask; +} + +static int x2apic_apic_id_valid(int apicid) +{ + return 1; +} + +static int x2apic_apic_id_registered(void) +{ + return 1; +} + +/* + * For now each logical cpu is in its own vector allocation domain. + */ +static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask) +{ + cpumask_clear(retmask); + cpumask_set_cpu(cpu, retmask); +} + +static void +__x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest) +{ + unsigned long cfg = __prepare_ICR(0, vector, dest); + native_x2apic_icr_write(cfg, apicid); +} + +static unsigned int x2apic_get_apic_id(unsigned long id) +{ + return id; +} + +static unsigned long x2apic_set_apic_id(unsigned int id) +{ + return id; +} + +static int x2apic_phys_pkg_id(int initial_apicid, int index_msb) +{ + return initial_apicid >> index_msb; +} + +static void x2apic_send_IPI_self(int vector) +{ + apic_write(APIC_SELF_IPI, vector); +} + +#endif /* _ASM_X86_X2APIC_H */ |