diff options
Diffstat (limited to 'include/asm-x86/numaq')
-rw-r--r-- | include/asm-x86/numaq/apic.h | 138 | ||||
-rw-r--r-- | include/asm-x86/numaq/apicdef.h | 14 | ||||
-rw-r--r-- | include/asm-x86/numaq/ipi.h | 25 | ||||
-rw-r--r-- | include/asm-x86/numaq/mpparse.h | 7 | ||||
-rw-r--r-- | include/asm-x86/numaq/wakecpu.h | 43 |
5 files changed, 227 insertions, 0 deletions
diff --git a/include/asm-x86/numaq/apic.h b/include/asm-x86/numaq/apic.h new file mode 100644 index 000000000000..a8344ba6ea15 --- /dev/null +++ b/include/asm-x86/numaq/apic.h | |||
@@ -0,0 +1,138 @@ | |||
1 | #ifndef __ASM_NUMAQ_APIC_H | ||
2 | #define __ASM_NUMAQ_APIC_H | ||
3 | |||
4 | #include <asm/io.h> | ||
5 | #include <linux/mmzone.h> | ||
6 | #include <linux/nodemask.h> | ||
7 | |||
8 | #define APIC_DFR_VALUE (APIC_DFR_CLUSTER) | ||
9 | |||
10 | static inline cpumask_t target_cpus(void) | ||
11 | { | ||
12 | return CPU_MASK_ALL; | ||
13 | } | ||
14 | |||
15 | #define TARGET_CPUS (target_cpus()) | ||
16 | |||
17 | #define NO_BALANCE_IRQ (1) | ||
18 | #define esr_disable (1) | ||
19 | |||
20 | #define INT_DELIVERY_MODE dest_LowestPrio | ||
21 | #define INT_DEST_MODE 0 /* physical delivery on LOCAL quad */ | ||
22 | |||
23 | static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) | ||
24 | { | ||
25 | return physid_isset(apicid, bitmap); | ||
26 | } | ||
27 | static inline unsigned long check_apicid_present(int bit) | ||
28 | { | ||
29 | return physid_isset(bit, phys_cpu_present_map); | ||
30 | } | ||
31 | #define apicid_cluster(apicid) (apicid & 0xF0) | ||
32 | |||
33 | static inline int apic_id_registered(void) | ||
34 | { | ||
35 | return 1; | ||
36 | } | ||
37 | |||
38 | static inline void init_apic_ldr(void) | ||
39 | { | ||
40 | /* Already done in NUMA-Q firmware */ | ||
41 | } | ||
42 | |||
43 | static inline void setup_apic_routing(void) | ||
44 | { | ||
45 | printk("Enabling APIC mode: %s. Using %d I/O APICs\n", | ||
46 | "NUMA-Q", nr_ioapics); | ||
47 | } | ||
48 | |||
49 | /* | ||
50 | * Skip adding the timer int on secondary nodes, which causes | ||
51 | * a small but painful rift in the time-space continuum. | ||
52 | */ | ||
53 | static inline int multi_timer_check(int apic, int irq) | ||
54 | { | ||
55 | return apic != 0 && irq == 0; | ||
56 | } | ||
57 | |||
58 | static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) | ||
59 | { | ||
60 | /* We don't have a good way to do this yet - hack */ | ||
61 | return physids_promote(0xFUL); | ||
62 | } | ||
63 | |||
64 | /* Mapping from cpu number to logical apicid */ | ||
65 | extern u8 cpu_2_logical_apicid[]; | ||
66 | static inline int cpu_to_logical_apicid(int cpu) | ||
67 | { | ||
68 | if (cpu >= NR_CPUS) | ||
69 | return BAD_APICID; | ||
70 | return (int)cpu_2_logical_apicid[cpu]; | ||
71 | } | ||
72 | |||
73 | /* | ||
74 | * Supporting over 60 cpus on NUMA-Q requires a locality-dependent | ||
75 | * cpu to APIC ID relation to properly interact with the intelligent | ||
76 | * mode of the cluster controller. | ||
77 | */ | ||
78 | static inline int cpu_present_to_apicid(int mps_cpu) | ||
79 | { | ||
80 | if (mps_cpu < 60) | ||
81 | return ((mps_cpu >> 2) << 4) | (1 << (mps_cpu & 0x3)); | ||
82 | else | ||
83 | return BAD_APICID; | ||
84 | } | ||
85 | |||
86 | static inline int apicid_to_node(int logical_apicid) | ||
87 | { | ||
88 | return logical_apicid >> 4; | ||
89 | } | ||
90 | |||
91 | static inline physid_mask_t apicid_to_cpu_present(int logical_apicid) | ||
92 | { | ||
93 | int node = apicid_to_node(logical_apicid); | ||
94 | int cpu = __ffs(logical_apicid & 0xf); | ||
95 | |||
96 | return physid_mask_of_physid(cpu + 4*node); | ||
97 | } | ||
98 | |||
99 | extern void *xquad_portio; | ||
100 | |||
101 | static inline void setup_portio_remap(void) | ||
102 | { | ||
103 | int num_quads = num_online_nodes(); | ||
104 | |||
105 | if (num_quads <= 1) | ||
106 | return; | ||
107 | |||
108 | printk("Remapping cross-quad port I/O for %d quads\n", num_quads); | ||
109 | xquad_portio = ioremap(XQUAD_PORTIO_BASE, num_quads*XQUAD_PORTIO_QUAD); | ||
110 | printk("xquad_portio vaddr 0x%08lx, len %08lx\n", | ||
111 | (u_long) xquad_portio, (u_long) num_quads*XQUAD_PORTIO_QUAD); | ||
112 | } | ||
113 | |||
114 | static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) | ||
115 | { | ||
116 | return (1); | ||
117 | } | ||
118 | |||
119 | static inline void enable_apic_mode(void) | ||
120 | { | ||
121 | } | ||
122 | |||
123 | /* | ||
124 | * We use physical apicids here, not logical, so just return the default | ||
125 | * physical broadcast to stop people from breaking us | ||
126 | */ | ||
127 | static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) | ||
128 | { | ||
129 | return (int) 0xF; | ||
130 | } | ||
131 | |||
132 | /* No NUMA-Q box has a HT CPU, but it can't hurt to use the default code. */ | ||
133 | static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) | ||
134 | { | ||
135 | return cpuid_apic >> index_msb; | ||
136 | } | ||
137 | |||
138 | #endif /* __ASM_NUMAQ_APIC_H */ | ||
diff --git a/include/asm-x86/numaq/apicdef.h b/include/asm-x86/numaq/apicdef.h new file mode 100644 index 000000000000..e012a46cc22a --- /dev/null +++ b/include/asm-x86/numaq/apicdef.h | |||
@@ -0,0 +1,14 @@ | |||
1 | #ifndef __ASM_NUMAQ_APICDEF_H | ||
2 | #define __ASM_NUMAQ_APICDEF_H | ||
3 | |||
4 | |||
5 | #define APIC_ID_MASK (0xF<<24) | ||
6 | |||
7 | static inline unsigned get_apic_id(unsigned long x) | ||
8 | { | ||
9 | return (((x)>>24)&0x0F); | ||
10 | } | ||
11 | |||
12 | #define GET_APIC_ID(x) get_apic_id(x) | ||
13 | |||
14 | #endif | ||
diff --git a/include/asm-x86/numaq/ipi.h b/include/asm-x86/numaq/ipi.h new file mode 100644 index 000000000000..935588d286cf --- /dev/null +++ b/include/asm-x86/numaq/ipi.h | |||
@@ -0,0 +1,25 @@ | |||
1 | #ifndef __ASM_NUMAQ_IPI_H | ||
2 | #define __ASM_NUMAQ_IPI_H | ||
3 | |||
4 | void send_IPI_mask_sequence(cpumask_t, int vector); | ||
5 | |||
6 | static inline void send_IPI_mask(cpumask_t mask, int vector) | ||
7 | { | ||
8 | send_IPI_mask_sequence(mask, vector); | ||
9 | } | ||
10 | |||
11 | static inline void send_IPI_allbutself(int vector) | ||
12 | { | ||
13 | cpumask_t mask = cpu_online_map; | ||
14 | cpu_clear(smp_processor_id(), mask); | ||
15 | |||
16 | if (!cpus_empty(mask)) | ||
17 | send_IPI_mask(mask, vector); | ||
18 | } | ||
19 | |||
20 | static inline void send_IPI_all(int vector) | ||
21 | { | ||
22 | send_IPI_mask(cpu_online_map, vector); | ||
23 | } | ||
24 | |||
25 | #endif /* __ASM_NUMAQ_IPI_H */ | ||
diff --git a/include/asm-x86/numaq/mpparse.h b/include/asm-x86/numaq/mpparse.h new file mode 100644 index 000000000000..252292e077b6 --- /dev/null +++ b/include/asm-x86/numaq/mpparse.h | |||
@@ -0,0 +1,7 @@ | |||
1 | #ifndef __ASM_NUMAQ_MPPARSE_H | ||
2 | #define __ASM_NUMAQ_MPPARSE_H | ||
3 | |||
4 | extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem, | ||
5 | char *productid); | ||
6 | |||
7 | #endif /* __ASM_NUMAQ_MPPARSE_H */ | ||
diff --git a/include/asm-x86/numaq/wakecpu.h b/include/asm-x86/numaq/wakecpu.h new file mode 100644 index 000000000000..c577bda5b1c5 --- /dev/null +++ b/include/asm-x86/numaq/wakecpu.h | |||
@@ -0,0 +1,43 @@ | |||
1 | #ifndef __ASM_NUMAQ_WAKECPU_H | ||
2 | #define __ASM_NUMAQ_WAKECPU_H | ||
3 | |||
4 | /* This file copes with machines that wakeup secondary CPUs by NMIs */ | ||
5 | |||
6 | #define WAKE_SECONDARY_VIA_NMI | ||
7 | |||
8 | #define TRAMPOLINE_LOW phys_to_virt(0x8) | ||
9 | #define TRAMPOLINE_HIGH phys_to_virt(0xa) | ||
10 | |||
11 | #define boot_cpu_apicid boot_cpu_logical_apicid | ||
12 | |||
13 | /* We don't do anything here because we use NMI's to boot instead */ | ||
14 | static inline void wait_for_init_deassert(atomic_t *deassert) | ||
15 | { | ||
16 | } | ||
17 | |||
18 | /* | ||
19 | * Because we use NMIs rather than the INIT-STARTUP sequence to | ||
20 | * bootstrap the CPUs, the APIC may be in a weird state. Kick it. | ||
21 | */ | ||
22 | static inline void smp_callin_clear_local_apic(void) | ||
23 | { | ||
24 | clear_local_APIC(); | ||
25 | } | ||
26 | |||
27 | static inline void store_NMI_vector(unsigned short *high, unsigned short *low) | ||
28 | { | ||
29 | printk("Storing NMI vector\n"); | ||
30 | *high = *((volatile unsigned short *) TRAMPOLINE_HIGH); | ||
31 | *low = *((volatile unsigned short *) TRAMPOLINE_LOW); | ||
32 | } | ||
33 | |||
34 | static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) | ||
35 | { | ||
36 | printk("Restoring NMI vector\n"); | ||
37 | *((volatile unsigned short *) TRAMPOLINE_HIGH) = *high; | ||
38 | *((volatile unsigned short *) TRAMPOLINE_LOW) = *low; | ||
39 | } | ||
40 | |||
41 | #define inquire_remote_apic(apicid) {} | ||
42 | |||
43 | #endif /* __ASM_NUMAQ_WAKECPU_H */ | ||