| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __ASM_MACH_APIC_H | 
 | 2 | #define __ASM_MACH_APIC_H | 
 | 3 |  | 
| Glauber Costa | dd46e3c | 2008-03-25 18:10:46 -0300 | [diff] [blame] | 4 | #ifdef CONFIG_X86_LOCAL_APIC | 
 | 5 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | #include <mach_apicdef.h> | 
 | 7 | #include <asm/smp.h> | 
 | 8 |  | 
 | 9 | #define APIC_DFR_VALUE	(APIC_DFR_FLAT) | 
 | 10 |  | 
 | 11 | static inline cpumask_t target_cpus(void) | 
 | 12 | {  | 
 | 13 | #ifdef CONFIG_SMP | 
 | 14 | 	return cpu_online_map; | 
 | 15 | #else | 
 | 16 | 	return cpumask_of_cpu(0); | 
 | 17 | #endif | 
 | 18 | }  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 |  | 
 | 20 | #define NO_BALANCE_IRQ (0) | 
 | 21 | #define esr_disable (0) | 
 | 22 |  | 
| Glauber Costa | dd46e3c | 2008-03-25 18:10:46 -0300 | [diff] [blame] | 23 | #ifdef CONFIG_X86_64 | 
 | 24 | #include <asm/genapic.h> | 
 | 25 | #define INT_DELIVERY_MODE (genapic->int_delivery_mode) | 
 | 26 | #define INT_DEST_MODE (genapic->int_dest_mode) | 
 | 27 | #define TARGET_CPUS	  (genapic->target_cpus()) | 
 | 28 | #define apic_id_registered (genapic->apic_id_registered) | 
 | 29 | #define init_apic_ldr (genapic->init_apic_ldr) | 
 | 30 | #define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid) | 
 | 31 | #define phys_pkg_id	(genapic->phys_pkg_id) | 
 | 32 | #define vector_allocation_domain    (genapic->vector_allocation_domain) | 
 | 33 | extern void setup_apic_routing(void); | 
 | 34 | #else | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | #define INT_DELIVERY_MODE dest_LowestPrio | 
 | 36 | #define INT_DEST_MODE 1     /* logical delivery broadcast to all procs */ | 
| Glauber Costa | dd46e3c | 2008-03-25 18:10:46 -0300 | [diff] [blame] | 37 | #define TARGET_CPUS (target_cpus()) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | /* | 
 | 39 |  * Set up the logical destination ID. | 
 | 40 |  * | 
 | 41 |  * Intel recommends to set DFR, LDR and TPR before enabling | 
 | 42 |  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel | 
 | 43 |  * document number 292116).  So here it goes... | 
 | 44 |  */ | 
 | 45 | static inline void init_apic_ldr(void) | 
 | 46 | { | 
 | 47 | 	unsigned long val; | 
 | 48 |  | 
 | 49 | 	apic_write_around(APIC_DFR, APIC_DFR_VALUE); | 
 | 50 | 	val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; | 
 | 51 | 	val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id()); | 
 | 52 | 	apic_write_around(APIC_LDR, val); | 
 | 53 | } | 
 | 54 |  | 
| Glauber Costa | dd46e3c | 2008-03-25 18:10:46 -0300 | [diff] [blame] | 55 | static inline int apic_id_registered(void) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | { | 
| Jack Steiner | 05f2d12 | 2008-03-28 14:12:02 -0500 | [diff] [blame] | 57 | 	return physid_isset(GET_APIC_ID(read_apic_id()), phys_cpu_present_map); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | } | 
 | 59 |  | 
| Glauber Costa | dd46e3c | 2008-03-25 18:10:46 -0300 | [diff] [blame] | 60 | static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) | 
 | 61 | { | 
 | 62 | 	return cpus_addr(cpumask)[0]; | 
 | 63 | } | 
 | 64 |  | 
 | 65 | static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) | 
 | 66 | { | 
 | 67 | 	return cpuid_apic >> index_msb; | 
 | 68 | } | 
 | 69 |  | 
| Ingo Molnar | 3c43f03 | 2007-05-02 19:27:04 +0200 | [diff] [blame] | 70 | static inline void setup_apic_routing(void) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | { | 
| Alexey Starikovskiy | 61048c6 | 2008-04-04 23:41:07 +0400 | [diff] [blame] | 72 | #ifdef CONFIG_X86_IO_APIC | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | 	printk("Enabling APIC mode:  %s.  Using %d I/O APICs\n", | 
 | 74 | 					"Flat", nr_ioapics); | 
| Alexey Starikovskiy | 61048c6 | 2008-04-04 23:41:07 +0400 | [diff] [blame] | 75 | #endif | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | } | 
 | 77 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | static inline int apicid_to_node(int logical_apicid) | 
 | 79 | { | 
 | 80 | 	return 0; | 
 | 81 | } | 
| Glauber de Oliveira Costa | f6bc402 | 2008-03-19 14:25:53 -0300 | [diff] [blame] | 82 | #endif | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 |  | 
| Glauber Costa | dd46e3c | 2008-03-25 18:10:46 -0300 | [diff] [blame] | 84 | static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) | 
 | 85 | { | 
 | 86 | 	return physid_isset(apicid, bitmap); | 
 | 87 | } | 
 | 88 |  | 
 | 89 | static inline unsigned long check_apicid_present(int bit) | 
 | 90 | { | 
 | 91 | 	return physid_isset(bit, phys_cpu_present_map); | 
 | 92 | } | 
 | 93 |  | 
 | 94 | static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) | 
 | 95 | { | 
 | 96 | 	return phys_map; | 
 | 97 | } | 
 | 98 |  | 
 | 99 | static inline int multi_timer_check(int apic, int irq) | 
 | 100 | { | 
 | 101 | 	return 0; | 
 | 102 | } | 
 | 103 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | /* Mapping from cpu number to logical apicid */ | 
 | 105 | static inline int cpu_to_logical_apicid(int cpu) | 
 | 106 | { | 
 | 107 | 	return 1 << cpu; | 
 | 108 | } | 
 | 109 |  | 
 | 110 | static inline int cpu_present_to_apicid(int mps_cpu) | 
 | 111 | { | 
| Hugh Dickins | 5f46470 | 2008-04-30 16:17:46 +0100 | [diff] [blame] | 112 | 	if (mps_cpu < NR_CPUS && cpu_present(mps_cpu)) | 
| Glauber de Oliveira Costa | f6bc402 | 2008-03-19 14:25:53 -0300 | [diff] [blame] | 113 | 		return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | 	else | 
 | 115 | 		return BAD_APICID; | 
 | 116 | } | 
 | 117 |  | 
 | 118 | static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) | 
 | 119 | { | 
 | 120 | 	return physid_mask_of_physid(phys_apicid); | 
 | 121 | } | 
 | 122 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | static inline void setup_portio_remap(void) | 
 | 124 | { | 
 | 125 | } | 
 | 126 |  | 
 | 127 | static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) | 
 | 128 | { | 
 | 129 | 	return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map); | 
 | 130 | } | 
 | 131 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | static inline void enable_apic_mode(void) | 
 | 133 | { | 
 | 134 | } | 
 | 135 |  | 
| Glauber Costa | dd46e3c | 2008-03-25 18:10:46 -0300 | [diff] [blame] | 136 | #endif /* CONFIG_X86_LOCAL_APIC */ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | #endif /* __ASM_MACH_APIC_H */ |