diff options
author | Alexey Starikovskiy <astarikovskiy@suse.de> | 2008-04-04 15:42:03 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 11:41:35 -0400 |
commit | 4ef81297f72655c4f4c1ae9c371453f9ca796aad (patch) | |
tree | 887093f724f6555f86fc1aab8e805db6e6bd139a /arch/x86 | |
parent | 31d2092eb0c23636b73d2c24c0c11b66470cef58 (diff) |
x86: lindent mpparse_32.c
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/kernel/mpparse_32.c | 420 |
1 files changed, 214 insertions, 206 deletions
diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c index 052043ed6499..f1c896ab8275 100644 --- a/arch/x86/kernel/mpparse_32.c +++ b/arch/x86/kernel/mpparse_32.c | |||
@@ -41,10 +41,10 @@ int smp_found_config; | |||
41 | * MP-table. | 41 | * MP-table. |
42 | */ | 42 | */ |
43 | #if defined (CONFIG_MCA) || defined (CONFIG_EISA) | 43 | #if defined (CONFIG_MCA) || defined (CONFIG_EISA) |
44 | int mp_bus_id_to_type [MAX_MP_BUSSES]; | 44 | int mp_bus_id_to_type[MAX_MP_BUSSES]; |
45 | #endif | 45 | #endif |
46 | DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); | 46 | DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); |
47 | int mp_bus_id_to_pci_bus [MAX_MP_BUSSES] = { [0 ... MAX_MP_BUSSES-1] = -1 }; | 47 | int mp_bus_id_to_pci_bus[MAX_MP_BUSSES] = {[0 ... MAX_MP_BUSSES - 1] = -1 }; |
48 | static int mp_current_pci_id; | 48 | static int mp_current_pci_id; |
49 | 49 | ||
50 | int pic_mode; | 50 | int pic_mode; |
@@ -53,7 +53,6 @@ int pic_mode; | |||
53 | * Intel MP BIOS table parsing routines: | 53 | * Intel MP BIOS table parsing routines: |
54 | */ | 54 | */ |
55 | 55 | ||
56 | |||
57 | /* | 56 | /* |
58 | * Checksum an MP configuration block. | 57 | * Checksum an MP configuration block. |
59 | */ | 58 | */ |
@@ -75,8 +74,9 @@ static int __init mpf_checksum(unsigned char *mp, int len) | |||
75 | * doing this .... | 74 | * doing this .... |
76 | */ | 75 | */ |
77 | 76 | ||
78 | static int mpc_record; | 77 | static int mpc_record; |
79 | static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __cpuinitdata; | 78 | static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] |
79 | __cpuinitdata; | ||
80 | #endif | 80 | #endif |
81 | 81 | ||
82 | static void __cpuinit MP_processor_info(struct mpc_config_processor *m) | 82 | static void __cpuinit MP_processor_info(struct mpc_config_processor *m) |
@@ -87,66 +87,63 @@ static void __cpuinit MP_processor_info(struct mpc_config_processor *m) | |||
87 | disabled_cpus++; | 87 | disabled_cpus++; |
88 | return; | 88 | return; |
89 | } | 89 | } |
90 | |||
91 | #ifdef CONFIG_X86_NUMAQ | 90 | #ifdef CONFIG_X86_NUMAQ |
92 | apicid = mpc_apic_id(m, translation_table[mpc_record]); | 91 | apicid = mpc_apic_id(m, translation_table[mpc_record]); |
93 | #else | 92 | #else |
94 | Dprintk("Processor #%d %u:%u APIC version %d\n", | 93 | Dprintk("Processor #%d %u:%u APIC version %d\n", |
95 | m->mpc_apicid, | 94 | m->mpc_apicid, |
96 | (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, | 95 | (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, |
97 | (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, | 96 | (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, m->mpc_apicver); |
98 | m->mpc_apicver); | ||
99 | apicid = m->mpc_apicid; | 97 | apicid = m->mpc_apicid; |
100 | #endif | 98 | #endif |
101 | 99 | ||
102 | if (m->mpc_featureflag&(1<<0)) | 100 | if (m->mpc_featureflag & (1 << 0)) |
103 | Dprintk(" Floating point unit present.\n"); | 101 | Dprintk(" Floating point unit present.\n"); |
104 | if (m->mpc_featureflag&(1<<7)) | 102 | if (m->mpc_featureflag & (1 << 7)) |
105 | Dprintk(" Machine Exception supported.\n"); | 103 | Dprintk(" Machine Exception supported.\n"); |
106 | if (m->mpc_featureflag&(1<<8)) | 104 | if (m->mpc_featureflag & (1 << 8)) |
107 | Dprintk(" 64 bit compare & exchange supported.\n"); | 105 | Dprintk(" 64 bit compare & exchange supported.\n"); |
108 | if (m->mpc_featureflag&(1<<9)) | 106 | if (m->mpc_featureflag & (1 << 9)) |
109 | Dprintk(" Internal APIC present.\n"); | 107 | Dprintk(" Internal APIC present.\n"); |
110 | if (m->mpc_featureflag&(1<<11)) | 108 | if (m->mpc_featureflag & (1 << 11)) |
111 | Dprintk(" SEP present.\n"); | 109 | Dprintk(" SEP present.\n"); |
112 | if (m->mpc_featureflag&(1<<12)) | 110 | if (m->mpc_featureflag & (1 << 12)) |
113 | Dprintk(" MTRR present.\n"); | 111 | Dprintk(" MTRR present.\n"); |
114 | if (m->mpc_featureflag&(1<<13)) | 112 | if (m->mpc_featureflag & (1 << 13)) |
115 | Dprintk(" PGE present.\n"); | 113 | Dprintk(" PGE present.\n"); |
116 | if (m->mpc_featureflag&(1<<14)) | 114 | if (m->mpc_featureflag & (1 << 14)) |
117 | Dprintk(" MCA present.\n"); | 115 | Dprintk(" MCA present.\n"); |
118 | if (m->mpc_featureflag&(1<<15)) | 116 | if (m->mpc_featureflag & (1 << 15)) |
119 | Dprintk(" CMOV present.\n"); | 117 | Dprintk(" CMOV present.\n"); |
120 | if (m->mpc_featureflag&(1<<16)) | 118 | if (m->mpc_featureflag & (1 << 16)) |
121 | Dprintk(" PAT present.\n"); | 119 | Dprintk(" PAT present.\n"); |
122 | if (m->mpc_featureflag&(1<<17)) | 120 | if (m->mpc_featureflag & (1 << 17)) |
123 | Dprintk(" PSE present.\n"); | 121 | Dprintk(" PSE present.\n"); |
124 | if (m->mpc_featureflag&(1<<18)) | 122 | if (m->mpc_featureflag & (1 << 18)) |
125 | Dprintk(" PSN present.\n"); | 123 | Dprintk(" PSN present.\n"); |
126 | if (m->mpc_featureflag&(1<<19)) | 124 | if (m->mpc_featureflag & (1 << 19)) |
127 | Dprintk(" Cache Line Flush Instruction present.\n"); | 125 | Dprintk(" Cache Line Flush Instruction present.\n"); |
128 | /* 20 Reserved */ | 126 | /* 20 Reserved */ |
129 | if (m->mpc_featureflag&(1<<21)) | 127 | if (m->mpc_featureflag & (1 << 21)) |
130 | Dprintk(" Debug Trace and EMON Store present.\n"); | 128 | Dprintk(" Debug Trace and EMON Store present.\n"); |
131 | if (m->mpc_featureflag&(1<<22)) | 129 | if (m->mpc_featureflag & (1 << 22)) |
132 | Dprintk(" ACPI Thermal Throttle Registers present.\n"); | 130 | Dprintk(" ACPI Thermal Throttle Registers present.\n"); |
133 | if (m->mpc_featureflag&(1<<23)) | 131 | if (m->mpc_featureflag & (1 << 23)) |
134 | Dprintk(" MMX present.\n"); | 132 | Dprintk(" MMX present.\n"); |
135 | if (m->mpc_featureflag&(1<<24)) | 133 | if (m->mpc_featureflag & (1 << 24)) |
136 | Dprintk(" FXSR present.\n"); | 134 | Dprintk(" FXSR present.\n"); |
137 | if (m->mpc_featureflag&(1<<25)) | 135 | if (m->mpc_featureflag & (1 << 25)) |
138 | Dprintk(" XMM present.\n"); | 136 | Dprintk(" XMM present.\n"); |
139 | if (m->mpc_featureflag&(1<<26)) | 137 | if (m->mpc_featureflag & (1 << 26)) |
140 | Dprintk(" Willamette New Instructions present.\n"); | 138 | Dprintk(" Willamette New Instructions present.\n"); |
141 | if (m->mpc_featureflag&(1<<27)) | 139 | if (m->mpc_featureflag & (1 << 27)) |
142 | Dprintk(" Self Snoop present.\n"); | 140 | Dprintk(" Self Snoop present.\n"); |
143 | if (m->mpc_featureflag&(1<<28)) | 141 | if (m->mpc_featureflag & (1 << 28)) |
144 | Dprintk(" HT present.\n"); | 142 | Dprintk(" HT present.\n"); |
145 | if (m->mpc_featureflag&(1<<29)) | 143 | if (m->mpc_featureflag & (1 << 29)) |
146 | Dprintk(" Thermal Monitor present.\n"); | 144 | Dprintk(" Thermal Monitor present.\n"); |
147 | /* 30, 31 Reserved */ | 145 | /* 30, 31 Reserved */ |
148 | 146 | ||
149 | |||
150 | if (m->mpc_cpuflag & CPU_BOOTPROCESSOR) { | 147 | if (m->mpc_cpuflag & CPU_BOOTPROCESSOR) { |
151 | Dprintk(" Bootup CPU\n"); | 148 | Dprintk(" Bootup CPU\n"); |
152 | boot_cpu_physical_apicid = m->mpc_apicid; | 149 | boot_cpu_physical_apicid = m->mpc_apicid; |
@@ -155,7 +152,7 @@ static void __cpuinit MP_processor_info(struct mpc_config_processor *m) | |||
155 | generic_processor_info(apicid, m->mpc_apicver); | 152 | generic_processor_info(apicid, m->mpc_apicver); |
156 | } | 153 | } |
157 | 154 | ||
158 | static void __init MP_bus_info (struct mpc_config_bus *m) | 155 | static void __init MP_bus_info(struct mpc_config_bus *m) |
159 | { | 156 | { |
160 | char str[7]; | 157 | char str[7]; |
161 | 158 | ||
@@ -171,14 +168,14 @@ static void __init MP_bus_info (struct mpc_config_bus *m) | |||
171 | #if MAX_MP_BUSSES < 256 | 168 | #if MAX_MP_BUSSES < 256 |
172 | if (m->mpc_busid >= MAX_MP_BUSSES) { | 169 | if (m->mpc_busid >= MAX_MP_BUSSES) { |
173 | printk(KERN_WARNING "MP table busid value (%d) for bustype %s " | 170 | printk(KERN_WARNING "MP table busid value (%d) for bustype %s " |
174 | " is too large, max. supported is %d\n", | 171 | " is too large, max. supported is %d\n", |
175 | m->mpc_busid, str, MAX_MP_BUSSES - 1); | 172 | m->mpc_busid, str, MAX_MP_BUSSES - 1); |
176 | return; | 173 | return; |
177 | } | 174 | } |
178 | #endif | 175 | #endif |
179 | 176 | ||
180 | set_bit(m->mpc_busid, mp_bus_not_pci); | 177 | set_bit(m->mpc_busid, mp_bus_not_pci); |
181 | if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI)-1) == 0) { | 178 | if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) { |
182 | #ifdef CONFIG_X86_NUMAQ | 179 | #ifdef CONFIG_X86_NUMAQ |
183 | mpc_oem_pci_bus(m, translation_table[mpc_record]); | 180 | mpc_oem_pci_bus(m, translation_table[mpc_record]); |
184 | #endif | 181 | #endif |
@@ -187,11 +184,11 @@ static void __init MP_bus_info (struct mpc_config_bus *m) | |||
187 | mp_current_pci_id++; | 184 | mp_current_pci_id++; |
188 | #if defined(CONFIG_EISA) || defined (CONFIG_MCA) | 185 | #if defined(CONFIG_EISA) || defined (CONFIG_MCA) |
189 | mp_bus_id_to_type[m->mpc_busid] = MP_BUS_PCI; | 186 | mp_bus_id_to_type[m->mpc_busid] = MP_BUS_PCI; |
190 | } else if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA)-1) == 0) { | 187 | } else if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA) - 1) == 0) { |
191 | mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA; | 188 | mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA; |
192 | } else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA)-1) == 0) { | 189 | } else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA) - 1) == 0) { |
193 | mp_bus_id_to_type[m->mpc_busid] = MP_BUS_EISA; | 190 | mp_bus_id_to_type[m->mpc_busid] = MP_BUS_EISA; |
194 | } else if (strncmp(str, BUSTYPE_MCA, sizeof(BUSTYPE_MCA)-1) == 0) { | 191 | } else if (strncmp(str, BUSTYPE_MCA, sizeof(BUSTYPE_MCA) - 1) == 0) { |
195 | mp_bus_id_to_type[m->mpc_busid] = MP_BUS_MCA; | 192 | mp_bus_id_to_type[m->mpc_busid] = MP_BUS_MCA; |
196 | } else { | 193 | } else { |
197 | printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str); | 194 | printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str); |
@@ -216,13 +213,13 @@ static int bad_ioapic(unsigned long address) | |||
216 | return 0; | 213 | return 0; |
217 | } | 214 | } |
218 | 215 | ||
219 | static void __init MP_ioapic_info (struct mpc_config_ioapic *m) | 216 | static void __init MP_ioapic_info(struct mpc_config_ioapic *m) |
220 | { | 217 | { |
221 | if (!(m->mpc_flags & MPC_APIC_USABLE)) | 218 | if (!(m->mpc_flags & MPC_APIC_USABLE)) |
222 | return; | 219 | return; |
223 | 220 | ||
224 | printk(KERN_INFO "I/O APIC #%d Version %d at 0x%X.\n", | 221 | printk(KERN_INFO "I/O APIC #%d Version %d at 0x%X.\n", |
225 | m->mpc_apicid, m->mpc_apicver, m->mpc_apicaddr); | 222 | m->mpc_apicid, m->mpc_apicver, m->mpc_apicaddr); |
226 | 223 | ||
227 | if (bad_ioapic(m->mpc_apicaddr)) | 224 | if (bad_ioapic(m->mpc_apicaddr)) |
228 | return; | 225 | return; |
@@ -231,38 +228,41 @@ static void __init MP_ioapic_info (struct mpc_config_ioapic *m) | |||
231 | nr_ioapics++; | 228 | nr_ioapics++; |
232 | } | 229 | } |
233 | 230 | ||
234 | static void __init MP_intsrc_info (struct mpc_config_intsrc *m) | 231 | static void __init MP_intsrc_info(struct mpc_config_intsrc *m) |
235 | { | 232 | { |
236 | mp_irqs [mp_irq_entries] = *m; | 233 | mp_irqs[mp_irq_entries] = *m; |
237 | Dprintk("Int: type %d, pol %d, trig %d, bus %d," | 234 | Dprintk("Int: type %d, pol %d, trig %d, bus %d," |
238 | " IRQ %02x, APIC ID %x, APIC INT %02x\n", | 235 | " IRQ %02x, APIC ID %x, APIC INT %02x\n", |
239 | m->mpc_irqtype, m->mpc_irqflag & 3, | 236 | m->mpc_irqtype, m->mpc_irqflag & 3, |
240 | (m->mpc_irqflag >> 2) & 3, m->mpc_srcbus, | 237 | (m->mpc_irqflag >> 2) & 3, m->mpc_srcbus, |
241 | m->mpc_srcbusirq, m->mpc_dstapic, m->mpc_dstirq); | 238 | m->mpc_srcbusirq, m->mpc_dstapic, m->mpc_dstirq); |
242 | if (++mp_irq_entries == MAX_IRQ_SOURCES) | 239 | if (++mp_irq_entries == MAX_IRQ_SOURCES) |
243 | panic("Max # of irq sources exceeded!!\n"); | 240 | panic("Max # of irq sources exceeded!!\n"); |
244 | } | 241 | } |
245 | 242 | ||
246 | #endif | 243 | #endif |
247 | 244 | ||
248 | static void __init MP_lintsrc_info (struct mpc_config_lintsrc *m) | 245 | static void __init MP_lintsrc_info(struct mpc_config_lintsrc *m) |
249 | { | 246 | { |
250 | Dprintk("Lint: type %d, pol %d, trig %d, bus %d," | 247 | Dprintk("Lint: type %d, pol %d, trig %d, bus %d," |
251 | " IRQ %02x, APIC ID %x, APIC LINT %02x\n", | 248 | " IRQ %02x, APIC ID %x, APIC LINT %02x\n", |
252 | m->mpc_irqtype, m->mpc_irqflag & 3, | 249 | m->mpc_irqtype, m->mpc_irqflag & 3, |
253 | (m->mpc_irqflag >> 2) &3, m->mpc_srcbusid, | 250 | (m->mpc_irqflag >> 2) & 3, m->mpc_srcbusid, |
254 | m->mpc_srcbusirq, m->mpc_destapic, m->mpc_destapiclint); | 251 | m->mpc_srcbusirq, m->mpc_destapic, m->mpc_destapiclint); |
255 | } | 252 | } |
256 | 253 | ||
257 | #ifdef CONFIG_X86_NUMAQ | 254 | #ifdef CONFIG_X86_NUMAQ |
258 | static void __init MP_translation_info (struct mpc_config_translation *m) | 255 | static void __init MP_translation_info(struct mpc_config_translation *m) |
259 | { | 256 | { |
260 | printk(KERN_INFO "Translation: record %d, type %d, quad %d, global %d, local %d\n", mpc_record, m->trans_type, m->trans_quad, m->trans_global, m->trans_local); | 257 | printk(KERN_INFO |
258 | "Translation: record %d, type %d, quad %d, global %d, local %d\n", | ||
259 | mpc_record, m->trans_type, m->trans_quad, m->trans_global, | ||
260 | m->trans_local); | ||
261 | 261 | ||
262 | if (mpc_record >= MAX_MPC_ENTRY) | 262 | if (mpc_record >= MAX_MPC_ENTRY) |
263 | printk(KERN_ERR "MAX_MPC_ENTRY exceeded!\n"); | 263 | printk(KERN_ERR "MAX_MPC_ENTRY exceeded!\n"); |
264 | else | 264 | else |
265 | translation_table[mpc_record] = m; /* stash this for later */ | 265 | translation_table[mpc_record] = m; /* stash this for later */ |
266 | if (m->trans_quad < MAX_NUMNODES && !node_online(m->trans_quad)) | 266 | if (m->trans_quad < MAX_NUMNODES && !node_online(m->trans_quad)) |
267 | node_set_online(m->trans_quad); | 267 | node_set_online(m->trans_quad); |
268 | } | 268 | } |
@@ -271,59 +271,59 @@ static void __init MP_translation_info (struct mpc_config_translation *m) | |||
271 | * Read/parse the MPC oem tables | 271 | * Read/parse the MPC oem tables |
272 | */ | 272 | */ |
273 | 273 | ||
274 | static void __init smp_read_mpc_oem(struct mp_config_oemtable *oemtable, \ | 274 | static void __init smp_read_mpc_oem(struct mp_config_oemtable *oemtable, |
275 | unsigned short oemsize) | 275 | unsigned short oemsize) |
276 | { | 276 | { |
277 | int count = sizeof (*oemtable); /* the header size */ | 277 | int count = sizeof(*oemtable); /* the header size */ |
278 | unsigned char *oemptr = ((unsigned char *)oemtable)+count; | 278 | unsigned char *oemptr = ((unsigned char *)oemtable) + count; |
279 | 279 | ||
280 | mpc_record = 0; | 280 | mpc_record = 0; |
281 | printk(KERN_INFO "Found an OEM MPC table at %8p - parsing it ... \n", oemtable); | 281 | printk(KERN_INFO "Found an OEM MPC table at %8p - parsing it ... \n", |
282 | if (memcmp(oemtable->oem_signature,MPC_OEM_SIGNATURE,4)) | 282 | oemtable); |
283 | { | 283 | if (memcmp(oemtable->oem_signature, MPC_OEM_SIGNATURE, 4)) { |
284 | printk(KERN_WARNING "SMP mpc oemtable: bad signature [%c%c%c%c]!\n", | 284 | printk(KERN_WARNING |
285 | oemtable->oem_signature[0], | 285 | "SMP mpc oemtable: bad signature [%c%c%c%c]!\n", |
286 | oemtable->oem_signature[1], | 286 | oemtable->oem_signature[0], oemtable->oem_signature[1], |
287 | oemtable->oem_signature[2], | 287 | oemtable->oem_signature[2], oemtable->oem_signature[3]); |
288 | oemtable->oem_signature[3]); | ||
289 | return; | 288 | return; |
290 | } | 289 | } |
291 | if (mpf_checksum((unsigned char *)oemtable,oemtable->oem_length)) | 290 | if (mpf_checksum((unsigned char *)oemtable, oemtable->oem_length)) { |
292 | { | ||
293 | printk(KERN_WARNING "SMP oem mptable: checksum error!\n"); | 291 | printk(KERN_WARNING "SMP oem mptable: checksum error!\n"); |
294 | return; | 292 | return; |
295 | } | 293 | } |
296 | while (count < oemtable->oem_length) { | 294 | while (count < oemtable->oem_length) { |
297 | switch (*oemptr) { | 295 | switch (*oemptr) { |
298 | case MP_TRANSLATION: | 296 | case MP_TRANSLATION: |
299 | { | 297 | { |
300 | struct mpc_config_translation *m= | 298 | struct mpc_config_translation *m = |
301 | (struct mpc_config_translation *)oemptr; | 299 | (struct mpc_config_translation *)oemptr; |
302 | MP_translation_info(m); | 300 | MP_translation_info(m); |
303 | oemptr += sizeof(*m); | 301 | oemptr += sizeof(*m); |
304 | count += sizeof(*m); | 302 | count += sizeof(*m); |
305 | ++mpc_record; | 303 | ++mpc_record; |
306 | break; | 304 | break; |
307 | } | 305 | } |
308 | default: | 306 | default: |
309 | { | 307 | { |
310 | printk(KERN_WARNING "Unrecognised OEM table entry type! - %d\n", (int) *oemptr); | 308 | printk(KERN_WARNING |
309 | "Unrecognised OEM table entry type! - %d\n", | ||
310 | (int)*oemptr); | ||
311 | return; | 311 | return; |
312 | } | 312 | } |
313 | } | 313 | } |
314 | } | 314 | } |
315 | } | 315 | } |
316 | 316 | ||
317 | static inline void mps_oem_check(struct mp_config_table *mpc, char *oem, | 317 | static inline void mps_oem_check(struct mp_config_table *mpc, char *oem, |
318 | char *productid) | 318 | char *productid) |
319 | { | 319 | { |
320 | if (strncmp(oem, "IBM NUMA", 8)) | 320 | if (strncmp(oem, "IBM NUMA", 8)) |
321 | printk("Warning! May not be a NUMA-Q system!\n"); | 321 | printk("Warning! May not be a NUMA-Q system!\n"); |
322 | if (mpc->mpc_oemptr) | 322 | if (mpc->mpc_oemptr) |
323 | smp_read_mpc_oem((struct mp_config_oemtable *) mpc->mpc_oemptr, | 323 | smp_read_mpc_oem((struct mp_config_oemtable *)mpc->mpc_oemptr, |
324 | mpc->mpc_oemsize); | 324 | mpc->mpc_oemsize); |
325 | } | 325 | } |
326 | #endif /* CONFIG_X86_NUMAQ */ | 326 | #endif /* CONFIG_X86_NUMAQ */ |
327 | 327 | ||
328 | /* | 328 | /* |
329 | * Read/parse the MPC | 329 | * Read/parse the MPC |
@@ -333,34 +333,34 @@ static int __init smp_read_mpc(struct mp_config_table *mpc) | |||
333 | { | 333 | { |
334 | char str[16]; | 334 | char str[16]; |
335 | char oem[10]; | 335 | char oem[10]; |
336 | int count=sizeof(*mpc); | 336 | int count = sizeof(*mpc); |
337 | unsigned char *mpt=((unsigned char *)mpc)+count; | 337 | unsigned char *mpt = ((unsigned char *)mpc) + count; |
338 | 338 | ||
339 | if (memcmp(mpc->mpc_signature,MPC_SIGNATURE,4)) { | 339 | if (memcmp(mpc->mpc_signature, MPC_SIGNATURE, 4)) { |
340 | printk(KERN_ERR "SMP mptable: bad signature [0x%x]!\n", | 340 | printk(KERN_ERR "SMP mptable: bad signature [0x%x]!\n", |
341 | *(u32 *)mpc->mpc_signature); | 341 | *(u32 *) mpc->mpc_signature); |
342 | return 0; | 342 | return 0; |
343 | } | 343 | } |
344 | if (mpf_checksum((unsigned char *)mpc,mpc->mpc_length)) { | 344 | if (mpf_checksum((unsigned char *)mpc, mpc->mpc_length)) { |
345 | printk(KERN_ERR "SMP mptable: checksum error!\n"); | 345 | printk(KERN_ERR "SMP mptable: checksum error!\n"); |
346 | return 0; | 346 | return 0; |
347 | } | 347 | } |
348 | if (mpc->mpc_spec!=0x01 && mpc->mpc_spec!=0x04) { | 348 | if (mpc->mpc_spec != 0x01 && mpc->mpc_spec != 0x04) { |
349 | printk(KERN_ERR "SMP mptable: bad table version (%d)!!\n", | 349 | printk(KERN_ERR "SMP mptable: bad table version (%d)!!\n", |
350 | mpc->mpc_spec); | 350 | mpc->mpc_spec); |
351 | return 0; | 351 | return 0; |
352 | } | 352 | } |
353 | if (!mpc->mpc_lapic) { | 353 | if (!mpc->mpc_lapic) { |
354 | printk(KERN_ERR "SMP mptable: null local APIC address!\n"); | 354 | printk(KERN_ERR "SMP mptable: null local APIC address!\n"); |
355 | return 0; | 355 | return 0; |
356 | } | 356 | } |
357 | memcpy(oem,mpc->mpc_oem,8); | 357 | memcpy(oem, mpc->mpc_oem, 8); |
358 | oem[8]=0; | 358 | oem[8] = 0; |
359 | printk(KERN_INFO "OEM ID: %s ",oem); | 359 | printk(KERN_INFO "OEM ID: %s ", oem); |
360 | 360 | ||
361 | memcpy(str,mpc->mpc_productid,12); | 361 | memcpy(str, mpc->mpc_productid, 12); |
362 | str[12]=0; | 362 | str[12] = 0; |
363 | printk("Product ID: %s ",str); | 363 | printk("Product ID: %s ", str); |
364 | 364 | ||
365 | mps_oem_check(mpc, oem, str); | 365 | mps_oem_check(mpc, oem, str); |
366 | 366 | ||
@@ -374,17 +374,17 @@ static int __init smp_read_mpc(struct mp_config_table *mpc) | |||
374 | mp_lapic_addr = mpc->mpc_lapic; | 374 | mp_lapic_addr = mpc->mpc_lapic; |
375 | 375 | ||
376 | /* | 376 | /* |
377 | * Now process the configuration blocks. | 377 | * Now process the configuration blocks. |
378 | */ | 378 | */ |
379 | #ifdef CONFIG_X86_NUMAQ | 379 | #ifdef CONFIG_X86_NUMAQ |
380 | mpc_record = 0; | 380 | mpc_record = 0; |
381 | #endif | 381 | #endif |
382 | while (count < mpc->mpc_length) { | 382 | while (count < mpc->mpc_length) { |
383 | switch(*mpt) { | 383 | switch (*mpt) { |
384 | case MP_PROCESSOR: | 384 | case MP_PROCESSOR: |
385 | { | 385 | { |
386 | struct mpc_config_processor *m= | 386 | struct mpc_config_processor *m = |
387 | (struct mpc_config_processor *)mpt; | 387 | (struct mpc_config_processor *)mpt; |
388 | /* ACPI may have already provided this data */ | 388 | /* ACPI may have already provided this data */ |
389 | if (!acpi_lapic) | 389 | if (!acpi_lapic) |
390 | MP_processor_info(m); | 390 | MP_processor_info(m); |
@@ -392,48 +392,48 @@ static int __init smp_read_mpc(struct mp_config_table *mpc) | |||
392 | count += sizeof(*m); | 392 | count += sizeof(*m); |
393 | break; | 393 | break; |
394 | } | 394 | } |
395 | case MP_BUS: | 395 | case MP_BUS: |
396 | { | 396 | { |
397 | struct mpc_config_bus *m= | 397 | struct mpc_config_bus *m = |
398 | (struct mpc_config_bus *)mpt; | 398 | (struct mpc_config_bus *)mpt; |
399 | MP_bus_info(m); | 399 | MP_bus_info(m); |
400 | mpt += sizeof(*m); | 400 | mpt += sizeof(*m); |
401 | count += sizeof(*m); | 401 | count += sizeof(*m); |
402 | break; | 402 | break; |
403 | } | 403 | } |
404 | case MP_IOAPIC: | 404 | case MP_IOAPIC: |
405 | { | 405 | { |
406 | #ifdef CONFIG_X86_IO_APIC | 406 | #ifdef CONFIG_X86_IO_APIC |
407 | struct mpc_config_ioapic *m= | 407 | struct mpc_config_ioapic *m = |
408 | (struct mpc_config_ioapic *)mpt; | 408 | (struct mpc_config_ioapic *)mpt; |
409 | MP_ioapic_info(m); | 409 | MP_ioapic_info(m); |
410 | #endif | 410 | #endif |
411 | mpt+=sizeof(struct mpc_config_ioapic); | 411 | mpt += sizeof(struct mpc_config_ioapic); |
412 | count+=sizeof(struct mpc_config_ioapic); | 412 | count += sizeof(struct mpc_config_ioapic); |
413 | break; | 413 | break; |
414 | } | 414 | } |
415 | case MP_INTSRC: | 415 | case MP_INTSRC: |
416 | { | 416 | { |
417 | #ifdef CONFIG_X86_IO_APIC | 417 | #ifdef CONFIG_X86_IO_APIC |
418 | struct mpc_config_intsrc *m= | 418 | struct mpc_config_intsrc *m = |
419 | (struct mpc_config_intsrc *)mpt; | 419 | (struct mpc_config_intsrc *)mpt; |
420 | 420 | ||
421 | MP_intsrc_info(m); | 421 | MP_intsrc_info(m); |
422 | #endif | 422 | #endif |
423 | mpt+=sizeof(struct mpc_config_intsrc); | 423 | mpt += sizeof(struct mpc_config_intsrc); |
424 | count+=sizeof(struct mpc_config_intsrc); | 424 | count += sizeof(struct mpc_config_intsrc); |
425 | break; | 425 | break; |
426 | } | 426 | } |
427 | case MP_LINTSRC: | 427 | case MP_LINTSRC: |
428 | { | 428 | { |
429 | struct mpc_config_lintsrc *m= | 429 | struct mpc_config_lintsrc *m = |
430 | (struct mpc_config_lintsrc *)mpt; | 430 | (struct mpc_config_lintsrc *)mpt; |
431 | MP_lintsrc_info(m); | 431 | MP_lintsrc_info(m); |
432 | mpt+=sizeof(*m); | 432 | mpt += sizeof(*m); |
433 | count+=sizeof(*m); | 433 | count += sizeof(*m); |
434 | break; | 434 | break; |
435 | } | 435 | } |
436 | default: | 436 | default: |
437 | { | 437 | { |
438 | count = mpc->mpc_length; | 438 | count = mpc->mpc_length; |
439 | break; | 439 | break; |
@@ -466,7 +466,7 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type) | |||
466 | int ELCR_fallback = 0; | 466 | int ELCR_fallback = 0; |
467 | 467 | ||
468 | intsrc.mpc_type = MP_INTSRC; | 468 | intsrc.mpc_type = MP_INTSRC; |
469 | intsrc.mpc_irqflag = 0; /* conforming */ | 469 | intsrc.mpc_irqflag = 0; /* conforming */ |
470 | intsrc.mpc_srcbus = 0; | 470 | intsrc.mpc_srcbus = 0; |
471 | intsrc.mpc_dstapic = mp_ioapics[0].mpc_apicid; | 471 | intsrc.mpc_dstapic = mp_ioapics[0].mpc_apicid; |
472 | 472 | ||
@@ -481,12 +481,16 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type) | |||
481 | * If it does, we assume it's valid. | 481 | * If it does, we assume it's valid. |
482 | */ | 482 | */ |
483 | if (mpc_default_type == 5) { | 483 | if (mpc_default_type == 5) { |
484 | printk(KERN_INFO "ISA/PCI bus type with no IRQ information... falling back to ELCR\n"); | 484 | printk(KERN_INFO |
485 | "ISA/PCI bus type with no IRQ information... falling back to ELCR\n"); | ||
485 | 486 | ||
486 | if (ELCR_trigger(0) || ELCR_trigger(1) || ELCR_trigger(2) || ELCR_trigger(13)) | 487 | if (ELCR_trigger(0) || ELCR_trigger(1) || ELCR_trigger(2) |
487 | printk(KERN_WARNING "ELCR contains invalid data... not using ELCR\n"); | 488 | || ELCR_trigger(13)) |
489 | printk(KERN_WARNING | ||
490 | "ELCR contains invalid data... not using ELCR\n"); | ||
488 | else { | 491 | else { |
489 | printk(KERN_INFO "Using ELCR to identify PCI interrupts\n"); | 492 | printk(KERN_INFO |
493 | "Using ELCR to identify PCI interrupts\n"); | ||
490 | ELCR_fallback = 1; | 494 | ELCR_fallback = 1; |
491 | } | 495 | } |
492 | } | 496 | } |
@@ -515,13 +519,13 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type) | |||
515 | } | 519 | } |
516 | 520 | ||
517 | intsrc.mpc_srcbusirq = i; | 521 | intsrc.mpc_srcbusirq = i; |
518 | intsrc.mpc_dstirq = i ? i : 2; /* IRQ0 to INTIN2 */ | 522 | intsrc.mpc_dstirq = i ? i : 2; /* IRQ0 to INTIN2 */ |
519 | MP_intsrc_info(&intsrc); | 523 | MP_intsrc_info(&intsrc); |
520 | } | 524 | } |
521 | 525 | ||
522 | intsrc.mpc_irqtype = mp_ExtINT; | 526 | intsrc.mpc_irqtype = mp_ExtINT; |
523 | intsrc.mpc_srcbusirq = 0; | 527 | intsrc.mpc_srcbusirq = 0; |
524 | intsrc.mpc_dstirq = 0; /* 8259A to INTIN0 */ | 528 | intsrc.mpc_dstirq = 0; /* 8259A to INTIN0 */ |
525 | MP_intsrc_info(&intsrc); | 529 | MP_intsrc_info(&intsrc); |
526 | } | 530 | } |
527 | 531 | ||
@@ -551,8 +555,7 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type) | |||
551 | processor.mpc_apicver = mpc_default_type > 4 ? 0x10 : 0x01; | 555 | processor.mpc_apicver = mpc_default_type > 4 ? 0x10 : 0x01; |
552 | processor.mpc_cpuflag = CPU_ENABLED; | 556 | processor.mpc_cpuflag = CPU_ENABLED; |
553 | processor.mpc_cpufeature = (boot_cpu_data.x86 << 8) | | 557 | processor.mpc_cpufeature = (boot_cpu_data.x86 << 8) | |
554 | (boot_cpu_data.x86_model << 4) | | 558 | (boot_cpu_data.x86_model << 4) | boot_cpu_data.x86_mask; |
555 | boot_cpu_data.x86_mask; | ||
556 | processor.mpc_featureflag = boot_cpu_data.x86_capability[0]; | 559 | processor.mpc_featureflag = boot_cpu_data.x86_capability[0]; |
557 | processor.mpc_reserved[0] = 0; | 560 | processor.mpc_reserved[0] = 0; |
558 | processor.mpc_reserved[1] = 0; | 561 | processor.mpc_reserved[1] = 0; |
@@ -564,23 +567,23 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type) | |||
564 | bus.mpc_type = MP_BUS; | 567 | bus.mpc_type = MP_BUS; |
565 | bus.mpc_busid = 0; | 568 | bus.mpc_busid = 0; |
566 | switch (mpc_default_type) { | 569 | switch (mpc_default_type) { |
567 | default: | 570 | default: |
568 | printk("???\n"); | 571 | printk("???\n"); |
569 | printk(KERN_ERR "Unknown standard configuration %d\n", | 572 | printk(KERN_ERR "Unknown standard configuration %d\n", |
570 | mpc_default_type); | 573 | mpc_default_type); |
571 | /* fall through */ | 574 | /* fall through */ |
572 | case 1: | 575 | case 1: |
573 | case 5: | 576 | case 5: |
574 | memcpy(bus.mpc_bustype, "ISA ", 6); | 577 | memcpy(bus.mpc_bustype, "ISA ", 6); |
575 | break; | 578 | break; |
576 | case 2: | 579 | case 2: |
577 | case 6: | 580 | case 6: |
578 | case 3: | 581 | case 3: |
579 | memcpy(bus.mpc_bustype, "EISA ", 6); | 582 | memcpy(bus.mpc_bustype, "EISA ", 6); |
580 | break; | 583 | break; |
581 | case 4: | 584 | case 4: |
582 | case 7: | 585 | case 7: |
583 | memcpy(bus.mpc_bustype, "MCA ", 6); | 586 | memcpy(bus.mpc_bustype, "MCA ", 6); |
584 | } | 587 | } |
585 | MP_bus_info(&bus); | 588 | MP_bus_info(&bus); |
586 | if (mpc_default_type > 4) { | 589 | if (mpc_default_type > 4) { |
@@ -603,7 +606,7 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type) | |||
603 | construct_default_ioirq_mptable(mpc_default_type); | 606 | construct_default_ioirq_mptable(mpc_default_type); |
604 | #endif | 607 | #endif |
605 | lintsrc.mpc_type = MP_LINTSRC; | 608 | lintsrc.mpc_type = MP_LINTSRC; |
606 | lintsrc.mpc_irqflag = 0; /* conforming */ | 609 | lintsrc.mpc_irqflag = 0; /* conforming */ |
607 | lintsrc.mpc_srcbusid = 0; | 610 | lintsrc.mpc_srcbusid = 0; |
608 | lintsrc.mpc_srcbusirq = 0; | 611 | lintsrc.mpc_srcbusirq = 0; |
609 | lintsrc.mpc_destapic = MP_APIC_ALL; | 612 | lintsrc.mpc_destapic = MP_APIC_ALL; |
@@ -619,23 +622,25 @@ static struct intel_mp_floating *mpf_found; | |||
619 | /* | 622 | /* |
620 | * Scan the memory blocks for an SMP configuration block. | 623 | * Scan the memory blocks for an SMP configuration block. |
621 | */ | 624 | */ |
622 | void __init get_smp_config (void) | 625 | void __init get_smp_config(void) |
623 | { | 626 | { |
624 | struct intel_mp_floating *mpf = mpf_found; | 627 | struct intel_mp_floating *mpf = mpf_found; |
625 | 628 | ||
626 | /* | 629 | /* |
627 | * ACPI supports both logical (e.g. Hyper-Threading) and physical | 630 | * ACPI supports both logical (e.g. Hyper-Threading) and physical |
628 | * processors, where MPS only supports physical. | 631 | * processors, where MPS only supports physical. |
629 | */ | 632 | */ |
630 | if (acpi_lapic && acpi_ioapic) { | 633 | if (acpi_lapic && acpi_ioapic) { |
631 | printk(KERN_INFO "Using ACPI (MADT) for SMP configuration information\n"); | 634 | printk(KERN_INFO |
635 | "Using ACPI (MADT) for SMP configuration information\n"); | ||
632 | return; | 636 | return; |
633 | } | 637 | } else if (acpi_lapic) |
634 | else if (acpi_lapic) | 638 | printk(KERN_INFO |
635 | printk(KERN_INFO "Using ACPI for processor (LAPIC) configuration information\n"); | 639 | "Using ACPI for processor (LAPIC) configuration information\n"); |
636 | 640 | ||
637 | printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n", mpf->mpf_specification); | 641 | printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n", |
638 | if (mpf->mpf_feature2 & (1<<7)) { | 642 | mpf->mpf_specification); |
643 | if (mpf->mpf_feature2 & (1 << 7)) { | ||
639 | printk(KERN_INFO " IMCR and PIC compatibility mode.\n"); | 644 | printk(KERN_INFO " IMCR and PIC compatibility mode.\n"); |
640 | pic_mode = 1; | 645 | pic_mode = 1; |
641 | } else { | 646 | } else { |
@@ -648,7 +653,8 @@ void __init get_smp_config (void) | |||
648 | */ | 653 | */ |
649 | if (mpf->mpf_feature1 != 0) { | 654 | if (mpf->mpf_feature1 != 0) { |
650 | 655 | ||
651 | printk(KERN_INFO "Default MP configuration #%d\n", mpf->mpf_feature1); | 656 | printk(KERN_INFO "Default MP configuration #%d\n", |
657 | mpf->mpf_feature1); | ||
652 | construct_default_ISA_mptable(mpf->mpf_feature1); | 658 | construct_default_ISA_mptable(mpf->mpf_feature1); |
653 | 659 | ||
654 | } else if (mpf->mpf_physptr) { | 660 | } else if (mpf->mpf_physptr) { |
@@ -659,8 +665,10 @@ void __init get_smp_config (void) | |||
659 | */ | 665 | */ |
660 | if (!smp_read_mpc(phys_to_virt(mpf->mpf_physptr))) { | 666 | if (!smp_read_mpc(phys_to_virt(mpf->mpf_physptr))) { |
661 | smp_found_config = 0; | 667 | smp_found_config = 0; |
662 | printk(KERN_ERR "BIOS bug, MP table errors detected!...\n"); | 668 | printk(KERN_ERR |
663 | printk(KERN_ERR "... disabling SMP support. (tell your hw vendor)\n"); | 669 | "BIOS bug, MP table errors detected!...\n"); |
670 | printk(KERN_ERR | ||
671 | "... disabling SMP support. (tell your hw vendor)\n"); | ||
664 | return; | 672 | return; |
665 | } | 673 | } |
666 | 674 | ||
@@ -673,7 +681,8 @@ void __init get_smp_config (void) | |||
673 | if (!mp_irq_entries) { | 681 | if (!mp_irq_entries) { |
674 | struct mpc_config_bus bus; | 682 | struct mpc_config_bus bus; |
675 | 683 | ||
676 | printk(KERN_ERR "BIOS bug, no explicit IRQ entries, using default mptable. (tell your hw vendor)\n"); | 684 | printk(KERN_ERR |
685 | "BIOS bug, no explicit IRQ entries, using default mptable. (tell your hw vendor)\n"); | ||
677 | 686 | ||
678 | bus.mpc_type = MP_BUS; | 687 | bus.mpc_type = MP_BUS; |
679 | bus.mpc_busid = 0; | 688 | bus.mpc_busid = 0; |
@@ -692,26 +701,26 @@ void __init get_smp_config (void) | |||
692 | */ | 701 | */ |
693 | } | 702 | } |
694 | 703 | ||
695 | static int __init smp_scan_config (unsigned long base, unsigned long length) | 704 | static int __init smp_scan_config(unsigned long base, unsigned long length) |
696 | { | 705 | { |
697 | unsigned long *bp = phys_to_virt(base); | 706 | unsigned long *bp = phys_to_virt(base); |
698 | struct intel_mp_floating *mpf; | 707 | struct intel_mp_floating *mpf; |
699 | 708 | ||
700 | printk(KERN_INFO "Scan SMP from %p for %ld bytes.\n", bp,length); | 709 | printk(KERN_INFO "Scan SMP from %p for %ld bytes.\n", bp, length); |
701 | if (sizeof(*mpf) != 16) | 710 | if (sizeof(*mpf) != 16) |
702 | printk("Error: MPF size\n"); | 711 | printk("Error: MPF size\n"); |
703 | 712 | ||
704 | while (length > 0) { | 713 | while (length > 0) { |
705 | mpf = (struct intel_mp_floating *)bp; | 714 | mpf = (struct intel_mp_floating *)bp; |
706 | if ((*bp == SMP_MAGIC_IDENT) && | 715 | if ((*bp == SMP_MAGIC_IDENT) && |
707 | (mpf->mpf_length == 1) && | 716 | (mpf->mpf_length == 1) && |
708 | !mpf_checksum((unsigned char *)bp, 16) && | 717 | !mpf_checksum((unsigned char *)bp, 16) && |
709 | ((mpf->mpf_specification == 1) | 718 | ((mpf->mpf_specification == 1) |
710 | || (mpf->mpf_specification == 4)) ) { | 719 | || (mpf->mpf_specification == 4))) { |
711 | 720 | ||
712 | smp_found_config = 1; | 721 | smp_found_config = 1; |
713 | printk(KERN_INFO "found SMP MP-table at [%p] %08lx\n", | 722 | printk(KERN_INFO "found SMP MP-table at [%p] %08lx\n", |
714 | mpf, virt_to_phys(mpf)); | 723 | mpf, virt_to_phys(mpf)); |
715 | reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE, | 724 | reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE, |
716 | BOOTMEM_DEFAULT); | 725 | BOOTMEM_DEFAULT); |
717 | if (mpf->mpf_physptr) { | 726 | if (mpf->mpf_physptr) { |
@@ -741,7 +750,7 @@ static int __init smp_scan_config (unsigned long base, unsigned long length) | |||
741 | return 0; | 750 | return 0; |
742 | } | 751 | } |
743 | 752 | ||
744 | void __init find_smp_config (void) | 753 | void __init find_smp_config(void) |
745 | { | 754 | { |
746 | unsigned int address; | 755 | unsigned int address; |
747 | 756 | ||
@@ -753,9 +762,9 @@ void __init find_smp_config (void) | |||
753 | * 2) Scan the top 1K of base RAM | 762 | * 2) Scan the top 1K of base RAM |
754 | * 3) Scan the 64K of bios | 763 | * 3) Scan the 64K of bios |
755 | */ | 764 | */ |
756 | if (smp_scan_config(0x0,0x400) || | 765 | if (smp_scan_config(0x0, 0x400) || |
757 | smp_scan_config(639*0x400,0x400) || | 766 | smp_scan_config(639 * 0x400, 0x400) || |
758 | smp_scan_config(0xF0000,0x10000)) | 767 | smp_scan_config(0xF0000, 0x10000)) |
759 | return; | 768 | return; |
760 | /* | 769 | /* |
761 | * If it is an SMP machine we should know now, unless the | 770 | * If it is an SMP machine we should know now, unless the |
@@ -792,14 +801,14 @@ void __init find_smp_config (void) | |||
792 | 801 | ||
793 | extern struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS]; | 802 | extern struct mp_ioapic_routing mp_ioapic_routing[MAX_IO_APICS]; |
794 | 803 | ||
795 | static int mp_find_ioapic (int gsi) | 804 | static int mp_find_ioapic(int gsi) |
796 | { | 805 | { |
797 | int i = 0; | 806 | int i = 0; |
798 | 807 | ||
799 | /* Find the IOAPIC that manages this GSI. */ | 808 | /* Find the IOAPIC that manages this GSI. */ |
800 | for (i = 0; i < nr_ioapics; i++) { | 809 | for (i = 0; i < nr_ioapics; i++) { |
801 | if ((gsi >= mp_ioapic_routing[i].gsi_base) | 810 | if ((gsi >= mp_ioapic_routing[i].gsi_base) |
802 | && (gsi <= mp_ioapic_routing[i].gsi_end)) | 811 | && (gsi <= mp_ioapic_routing[i].gsi_end)) |
803 | return i; | 812 | return i; |
804 | } | 813 | } |
805 | 814 | ||
@@ -833,34 +842,32 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base) | |||
833 | set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address); | 842 | set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address); |
834 | mp_ioapics[idx].mpc_apicid = uniq_ioapic_id(id); | 843 | mp_ioapics[idx].mpc_apicid = uniq_ioapic_id(id); |
835 | mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx); | 844 | mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx); |
836 | 845 | ||
837 | /* | 846 | /* |
838 | * Build basic GSI lookup table to facilitate gsi->io_apic lookups | 847 | * Build basic GSI lookup table to facilitate gsi->io_apic lookups |
839 | * and to prevent reprogramming of IOAPIC pins (PCI GSIs). | 848 | * and to prevent reprogramming of IOAPIC pins (PCI GSIs). |
840 | */ | 849 | */ |
841 | mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mpc_apicid; | 850 | mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mpc_apicid; |
842 | mp_ioapic_routing[idx].gsi_base = gsi_base; | 851 | mp_ioapic_routing[idx].gsi_base = gsi_base; |
843 | mp_ioapic_routing[idx].gsi_end = gsi_base + | 852 | mp_ioapic_routing[idx].gsi_end = gsi_base + |
844 | io_apic_get_redir_entries(idx); | 853 | io_apic_get_redir_entries(idx); |
845 | 854 | ||
846 | printk("IOAPIC[%d]: apic_id %d, version %d, address 0x%x, " | 855 | printk("IOAPIC[%d]: apic_id %d, version %d, address 0x%x, " |
847 | "GSI %d-%d\n", idx, mp_ioapics[idx].mpc_apicid, | 856 | "GSI %d-%d\n", idx, mp_ioapics[idx].mpc_apicid, |
848 | mp_ioapics[idx].mpc_apicver, | 857 | mp_ioapics[idx].mpc_apicver, |
849 | mp_ioapics[idx].mpc_apicaddr, | 858 | mp_ioapics[idx].mpc_apicaddr, |
850 | mp_ioapic_routing[idx].gsi_base, | 859 | mp_ioapic_routing[idx].gsi_base, mp_ioapic_routing[idx].gsi_end); |
851 | mp_ioapic_routing[idx].gsi_end); | ||
852 | 860 | ||
853 | nr_ioapics++; | 861 | nr_ioapics++; |
854 | } | 862 | } |
855 | 863 | ||
856 | void __init | 864 | void __init mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) |
857 | mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) | ||
858 | { | 865 | { |
859 | struct mpc_config_intsrc intsrc; | 866 | struct mpc_config_intsrc intsrc; |
860 | int ioapic = -1; | 867 | int ioapic = -1; |
861 | int pin = -1; | 868 | int pin = -1; |
862 | 869 | ||
863 | /* | 870 | /* |
864 | * Convert 'gsi' to 'ioapic.pin'. | 871 | * Convert 'gsi' to 'ioapic.pin'. |
865 | */ | 872 | */ |
866 | ioapic = mp_find_ioapic(gsi); | 873 | ioapic = mp_find_ioapic(gsi); |
@@ -870,7 +877,7 @@ mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) | |||
870 | 877 | ||
871 | /* | 878 | /* |
872 | * TBD: This check is for faulty timer entries, where the override | 879 | * TBD: This check is for faulty timer entries, where the override |
873 | * erroneously sets the trigger to level, resulting in a HUGE | 880 | * erroneously sets the trigger to level, resulting in a HUGE |
874 | * increase of timer interrupts! | 881 | * increase of timer interrupts! |
875 | */ | 882 | */ |
876 | if ((bus_irq == 0) && (trigger == 3)) | 883 | if ((bus_irq == 0) && (trigger == 3)) |
@@ -880,13 +887,13 @@ mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) | |||
880 | intsrc.mpc_irqtype = mp_INT; | 887 | intsrc.mpc_irqtype = mp_INT; |
881 | intsrc.mpc_irqflag = (trigger << 2) | polarity; | 888 | intsrc.mpc_irqflag = (trigger << 2) | polarity; |
882 | intsrc.mpc_srcbus = MP_ISA_BUS; | 889 | intsrc.mpc_srcbus = MP_ISA_BUS; |
883 | intsrc.mpc_srcbusirq = bus_irq; /* IRQ */ | 890 | intsrc.mpc_srcbusirq = bus_irq; /* IRQ */ |
884 | intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid; /* APIC ID */ | 891 | intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid; /* APIC ID */ |
885 | intsrc.mpc_dstirq = pin; /* INTIN# */ | 892 | intsrc.mpc_dstirq = pin; /* INTIN# */ |
886 | 893 | ||
887 | Dprintk("Int: type %d, pol %d, trig %d, bus %d, irq %d, %d-%d\n", | 894 | Dprintk("Int: type %d, pol %d, trig %d, bus %d, irq %d, %d-%d\n", |
888 | intsrc.mpc_irqtype, intsrc.mpc_irqflag & 3, | 895 | intsrc.mpc_irqtype, intsrc.mpc_irqflag & 3, |
889 | (intsrc.mpc_irqflag >> 2) & 3, intsrc.mpc_srcbus, | 896 | (intsrc.mpc_irqflag >> 2) & 3, intsrc.mpc_srcbus, |
890 | intsrc.mpc_srcbusirq, intsrc.mpc_dstapic, intsrc.mpc_dstirq); | 897 | intsrc.mpc_srcbusirq, intsrc.mpc_dstapic, intsrc.mpc_dstirq); |
891 | 898 | ||
892 | mp_irqs[mp_irq_entries] = intsrc; | 899 | mp_irqs[mp_irq_entries] = intsrc; |
@@ -896,14 +903,14 @@ mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi) | |||
896 | 903 | ||
897 | int es7000_plat; | 904 | int es7000_plat; |
898 | 905 | ||
899 | void __init mp_config_acpi_legacy_irqs (void) | 906 | void __init mp_config_acpi_legacy_irqs(void) |
900 | { | 907 | { |
901 | struct mpc_config_intsrc intsrc; | 908 | struct mpc_config_intsrc intsrc; |
902 | int i = 0; | 909 | int i = 0; |
903 | int ioapic = -1; | 910 | int ioapic = -1; |
904 | 911 | ||
905 | #if defined (CONFIG_MCA) || defined (CONFIG_EISA) | 912 | #if defined (CONFIG_MCA) || defined (CONFIG_EISA) |
906 | /* | 913 | /* |
907 | * Fabricate the legacy ISA bus (bus #31). | 914 | * Fabricate the legacy ISA bus (bus #31). |
908 | */ | 915 | */ |
909 | mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA; | 916 | mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA; |
@@ -917,20 +924,20 @@ void __init mp_config_acpi_legacy_irqs (void) | |||
917 | if (es7000_plat == 1) | 924 | if (es7000_plat == 1) |
918 | return; | 925 | return; |
919 | 926 | ||
920 | /* | 927 | /* |
921 | * Locate the IOAPIC that manages the ISA IRQs (0-15). | 928 | * Locate the IOAPIC that manages the ISA IRQs (0-15). |
922 | */ | 929 | */ |
923 | ioapic = mp_find_ioapic(0); | 930 | ioapic = mp_find_ioapic(0); |
924 | if (ioapic < 0) | 931 | if (ioapic < 0) |
925 | return; | 932 | return; |
926 | 933 | ||
927 | intsrc.mpc_type = MP_INTSRC; | 934 | intsrc.mpc_type = MP_INTSRC; |
928 | intsrc.mpc_irqflag = 0; /* Conforming */ | 935 | intsrc.mpc_irqflag = 0; /* Conforming */ |
929 | intsrc.mpc_srcbus = MP_ISA_BUS; | 936 | intsrc.mpc_srcbus = MP_ISA_BUS; |
930 | #ifdef CONFIG_X86_IO_APIC | 937 | #ifdef CONFIG_X86_IO_APIC |
931 | intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid; | 938 | intsrc.mpc_dstapic = mp_ioapics[ioapic].mpc_apicid; |
932 | #endif | 939 | #endif |
933 | /* | 940 | /* |
934 | * Use the default configuration for the IRQs 0-15. Unless | 941 | * Use the default configuration for the IRQs 0-15. Unless |
935 | * overridden by (MADT) interrupt source override entries. | 942 | * overridden by (MADT) interrupt source override entries. |
936 | */ | 943 | */ |
@@ -941,28 +948,29 @@ void __init mp_config_acpi_legacy_irqs (void) | |||
941 | struct mpc_config_intsrc *irq = mp_irqs + idx; | 948 | struct mpc_config_intsrc *irq = mp_irqs + idx; |
942 | 949 | ||
943 | /* Do we already have a mapping for this ISA IRQ? */ | 950 | /* Do we already have a mapping for this ISA IRQ? */ |
944 | if (irq->mpc_srcbus == MP_ISA_BUS && irq->mpc_srcbusirq == i) | 951 | if (irq->mpc_srcbus == MP_ISA_BUS |
952 | && irq->mpc_srcbusirq == i) | ||
945 | break; | 953 | break; |
946 | 954 | ||
947 | /* Do we already have a mapping for this IOAPIC pin */ | 955 | /* Do we already have a mapping for this IOAPIC pin */ |
948 | if ((irq->mpc_dstapic == intsrc.mpc_dstapic) && | 956 | if ((irq->mpc_dstapic == intsrc.mpc_dstapic) && |
949 | (irq->mpc_dstirq == i)) | 957 | (irq->mpc_dstirq == i)) |
950 | break; | 958 | break; |
951 | } | 959 | } |
952 | 960 | ||
953 | if (idx != mp_irq_entries) { | 961 | if (idx != mp_irq_entries) { |
954 | printk(KERN_DEBUG "ACPI: IRQ%d used by override.\n", i); | 962 | printk(KERN_DEBUG "ACPI: IRQ%d used by override.\n", i); |
955 | continue; /* IRQ already used */ | 963 | continue; /* IRQ already used */ |
956 | } | 964 | } |
957 | 965 | ||
958 | intsrc.mpc_irqtype = mp_INT; | 966 | intsrc.mpc_irqtype = mp_INT; |
959 | intsrc.mpc_srcbusirq = i; /* Identity mapped */ | 967 | intsrc.mpc_srcbusirq = i; /* Identity mapped */ |
960 | intsrc.mpc_dstirq = i; | 968 | intsrc.mpc_dstirq = i; |
961 | 969 | ||
962 | Dprintk("Int: type %d, pol %d, trig %d, bus %d, irq %d, " | 970 | Dprintk("Int: type %d, pol %d, trig %d, bus %d, irq %d, " |
963 | "%d-%d\n", intsrc.mpc_irqtype, intsrc.mpc_irqflag & 3, | 971 | "%d-%d\n", intsrc.mpc_irqtype, intsrc.mpc_irqflag & 3, |
964 | (intsrc.mpc_irqflag >> 2) & 3, intsrc.mpc_srcbus, | 972 | (intsrc.mpc_irqflag >> 2) & 3, intsrc.mpc_srcbus, |
965 | intsrc.mpc_srcbusirq, intsrc.mpc_dstapic, | 973 | intsrc.mpc_srcbusirq, intsrc.mpc_dstapic, |
966 | intsrc.mpc_dstirq); | 974 | intsrc.mpc_dstirq); |
967 | 975 | ||
968 | mp_irqs[mp_irq_entries] = intsrc; | 976 | mp_irqs[mp_irq_entries] = intsrc; |
@@ -985,7 +993,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity) | |||
985 | * represent all possible interrupts, and IRQs | 993 | * represent all possible interrupts, and IRQs |
986 | * assigned to actual devices. | 994 | * assigned to actual devices. |
987 | */ | 995 | */ |
988 | static int gsi_to_irq[MAX_GSI_NUM]; | 996 | static int gsi_to_irq[MAX_GSI_NUM]; |
989 | 997 | ||
990 | /* Don't set up the ACPI SCI because it's already set up */ | 998 | /* Don't set up the ACPI SCI because it's already set up */ |
991 | if (acpi_gbl_FADT.sci_interrupt == gsi) | 999 | if (acpi_gbl_FADT.sci_interrupt == gsi) |
@@ -1002,8 +1010,8 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity) | |||
1002 | if (ioapic_renumber_irq) | 1010 | if (ioapic_renumber_irq) |
1003 | gsi = ioapic_renumber_irq(ioapic, gsi); | 1011 | gsi = ioapic_renumber_irq(ioapic, gsi); |
1004 | 1012 | ||
1005 | /* | 1013 | /* |
1006 | * Avoid pin reprogramming. PRTs typically include entries | 1014 | * Avoid pin reprogramming. PRTs typically include entries |
1007 | * with redundant pin->gsi mappings (but unique PCI devices); | 1015 | * with redundant pin->gsi mappings (but unique PCI devices); |
1008 | * we only program the IOAPIC on the first. | 1016 | * we only program the IOAPIC on the first. |
1009 | */ | 1017 | */ |
@@ -1011,23 +1019,23 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity) | |||
1011 | idx = (ioapic_pin < 32) ? 0 : (ioapic_pin / 32); | 1019 | idx = (ioapic_pin < 32) ? 0 : (ioapic_pin / 32); |
1012 | if (idx > 3) { | 1020 | if (idx > 3) { |
1013 | printk(KERN_ERR "Invalid reference to IOAPIC pin " | 1021 | printk(KERN_ERR "Invalid reference to IOAPIC pin " |
1014 | "%d-%d\n", mp_ioapic_routing[ioapic].apic_id, | 1022 | "%d-%d\n", mp_ioapic_routing[ioapic].apic_id, |
1015 | ioapic_pin); | 1023 | ioapic_pin); |
1016 | return gsi; | 1024 | return gsi; |
1017 | } | 1025 | } |
1018 | if ((1<<bit) & mp_ioapic_routing[ioapic].pin_programmed[idx]) { | 1026 | if ((1 << bit) & mp_ioapic_routing[ioapic].pin_programmed[idx]) { |
1019 | Dprintk(KERN_DEBUG "Pin %d-%d already programmed\n", | 1027 | Dprintk(KERN_DEBUG "Pin %d-%d already programmed\n", |
1020 | mp_ioapic_routing[ioapic].apic_id, ioapic_pin); | 1028 | mp_ioapic_routing[ioapic].apic_id, ioapic_pin); |
1021 | return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]); | 1029 | return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]); |
1022 | } | 1030 | } |
1023 | 1031 | ||
1024 | mp_ioapic_routing[ioapic].pin_programmed[idx] |= (1<<bit); | 1032 | mp_ioapic_routing[ioapic].pin_programmed[idx] |= (1 << bit); |
1025 | 1033 | ||
1026 | /* | 1034 | /* |
1027 | * For GSI >= 64, use IRQ compression | 1035 | * For GSI >= 64, use IRQ compression |
1028 | */ | 1036 | */ |
1029 | if ((gsi >= IRQ_COMPRESSION_START) | 1037 | if ((gsi >= IRQ_COMPRESSION_START) |
1030 | && (triggering == ACPI_LEVEL_SENSITIVE)) { | 1038 | && (triggering == ACPI_LEVEL_SENSITIVE)) { |
1031 | /* | 1039 | /* |
1032 | * For PCI devices assign IRQs in order, avoiding gaps | 1040 | * For PCI devices assign IRQs in order, avoiding gaps |
1033 | * due to unused I/O APIC pins. | 1041 | * due to unused I/O APIC pins. |
@@ -1058,8 +1066,8 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity) | |||
1058 | } | 1066 | } |
1059 | 1067 | ||
1060 | io_apic_set_pci_routing(ioapic, ioapic_pin, gsi, | 1068 | io_apic_set_pci_routing(ioapic, ioapic_pin, gsi, |
1061 | triggering == ACPI_EDGE_SENSITIVE ? 0 : 1, | 1069 | triggering == ACPI_EDGE_SENSITIVE ? 0 : 1, |
1062 | polarity == ACPI_ACTIVE_HIGH ? 0 : 1); | 1070 | polarity == ACPI_ACTIVE_HIGH ? 0 : 1); |
1063 | return gsi; | 1071 | return gsi; |
1064 | } | 1072 | } |
1065 | 1073 | ||