aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-02-17 09:50:25 -0500
committerIngo Molnar <mingo@elte.hu>2009-02-17 11:52:51 -0500
commit36afc3af04f4d3dfa709f7659fcadb3336d66ed2 (patch)
treedac03314439bacd0c224c47914f794ed56e16746
parent7da18ed924b182f8174de243c55a323c56398675 (diff)
x86, numaq_32: clean up
Impact: cleanup - refactor smp_dump_qct() - tidy up include files, remove duplicates - misc other cleanups, pointed out by checkpatch No code changed: md5: 9c0bc01a53558c77df0f2ebcda7e11a9 numaq_32.o.before.asm 9c0bc01a53558c77df0f2ebcda7e11a9 numaq_32.o.after.asm Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/kernel/numaq_32.c195
1 files changed, 100 insertions, 95 deletions
diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index 15328500de6e..a4ea08a9ac94 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -22,21 +22,54 @@
22 * 22 *
23 * Send feedback to <gone@us.ibm.com> 23 * Send feedback to <gone@us.ibm.com>
24 */ 24 */
25
26#include <linux/nodemask.h> 25#include <linux/nodemask.h>
27#include <linux/bootmem.h> 26#include <linux/bootmem.h>
27#include <linux/threads.h>
28#include <linux/cpumask.h>
29#include <linux/kernel.h>
28#include <linux/mmzone.h> 30#include <linux/mmzone.h>
29#include <linux/module.h> 31#include <linux/module.h>
32#include <linux/string.h>
33#include <linux/init.h>
34#include <linux/numa.h>
35#include <linux/smp.h>
30#include <linux/mm.h> 36#include <linux/mm.h>
31 37
32#include <asm/processor.h> 38#include <asm/processor.h>
33#include <asm/topology.h> 39#include <asm/topology.h>
34#include <asm/apic.h> 40#include <asm/fixmap.h>
41#include <asm/mpspec.h>
35#include <asm/numaq.h> 42#include <asm/numaq.h>
36#include <asm/setup.h> 43#include <asm/setup.h>
44#include <asm/apic.h>
37#include <asm/e820.h> 45#include <asm/e820.h>
46#include <asm/ipi.h>
47#include <asm/io.h>
38 48
39#define MB_TO_PAGES(addr) ((addr) << (20 - PAGE_SHIFT)) 49#define MB_TO_PAGES(addr) ((addr) << (20 - PAGE_SHIFT))
50
51static inline void numaq_register_node(int node, struct sys_cfg_data *scd)
52{
53 struct eachquadmem *eq = scd->eq + node;
54
55 node_set_online(node);
56
57 /* Convert to pages */
58 node_start_pfn[node] =
59 MB_TO_PAGES(eq->hi_shrd_mem_start - eq->priv_mem_size);
60
61 node_end_pfn[node] =
62 MB_TO_PAGES(eq->hi_shrd_mem_start + eq->hi_shrd_mem_size);
63
64 e820_register_active_regions(node, node_start_pfn[node],
65 node_end_pfn[node]);
66
67 memory_present(node, node_start_pfn[node], node_end_pfn[node]);
68
69 node_remap_size[node] = node_memmap_size_bytes(node,
70 node_start_pfn[node],
71 node_end_pfn[node]);
72}
40 73
41/* 74/*
42 * Function: smp_dump_qct() 75 * Function: smp_dump_qct()
@@ -46,34 +79,18 @@
46 */ 79 */
47static void __init smp_dump_qct(void) 80static void __init smp_dump_qct(void)
48{ 81{
82 struct sys_cfg_data *scd;
49 int node; 83 int node;
50 struct eachquadmem *eq; 84
51 struct sys_cfg_data *scd = 85 scd = (void *)__va(SYS_CFG_DATA_PRIV_ADDR);
52 (struct sys_cfg_data *)__va(SYS_CFG_DATA_PRIV_ADDR);
53 86
54 nodes_clear(node_online_map); 87 nodes_clear(node_online_map);
55 for_each_node(node) { 88 for_each_node(node) {
56 if (scd->quads_present31_0 & (1 << node)) { 89 if (scd->quads_present31_0 & (1 << node))
57 node_set_online(node); 90 numaq_register_node(node, scd);
58 eq = &scd->eq[node];
59 /* Convert to pages */
60 node_start_pfn[node] = MB_TO_PAGES(
61 eq->hi_shrd_mem_start - eq->priv_mem_size);
62 node_end_pfn[node] = MB_TO_PAGES(
63 eq->hi_shrd_mem_start + eq->hi_shrd_mem_size);
64
65 e820_register_active_regions(node, node_start_pfn[node],
66 node_end_pfn[node]);
67 memory_present(node,
68 node_start_pfn[node], node_end_pfn[node]);
69 node_remap_size[node] = node_memmap_size_bytes(node,
70 node_start_pfn[node],
71 node_end_pfn[node]);
72 }
73 } 91 }
74} 92}
75 93
76
77void __cpuinit numaq_tsc_disable(void) 94void __cpuinit numaq_tsc_disable(void)
78{ 95{
79 if (!found_numaq) 96 if (!found_numaq)
@@ -98,20 +115,20 @@ int found_numaq;
98 * hence the mpc_record variable .... can't see a less disgusting way of 115 * hence the mpc_record variable .... can't see a less disgusting way of
99 * doing this .... 116 * doing this ....
100 */ 117 */
101struct mpc_config_translation { 118struct mpc_trans {
102 unsigned char mpc_type; 119 unsigned char mpc_type;
103 unsigned char trans_len; 120 unsigned char trans_len;
104 unsigned char trans_type; 121 unsigned char trans_type;
105 unsigned char trans_quad; 122 unsigned char trans_quad;
106 unsigned char trans_global; 123 unsigned char trans_global;
107 unsigned char trans_local; 124 unsigned char trans_local;
108 unsigned short trans_reserved; 125 unsigned short trans_reserved;
109}; 126};
110 127
111/* x86_quirks member */ 128/* x86_quirks member */
112static int mpc_record; 129static int mpc_record;
113static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] 130
114 __cpuinitdata; 131static __cpuinitdata struct mpc_trans *translation_table[MAX_MPC_ENTRY];
115 132
116static inline int generate_logical_apicid(int quad, int phys_apicid) 133static inline int generate_logical_apicid(int quad, int phys_apicid)
117{ 134{
@@ -124,10 +141,12 @@ static int mpc_apic_id(struct mpc_cpu *m)
124 int quad = translation_table[mpc_record]->trans_quad; 141 int quad = translation_table[mpc_record]->trans_quad;
125 int logical_apicid = generate_logical_apicid(quad, m->apicid); 142 int logical_apicid = generate_logical_apicid(quad, m->apicid);
126 143
127 printk(KERN_DEBUG "Processor #%d %u:%u APIC version %d (quad %d, apic %d)\n", 144 printk(KERN_DEBUG
128 m->apicid, (m->cpufeature & CPU_FAMILY_MASK) >> 8, 145 "Processor #%d %u:%u APIC version %d (quad %d, apic %d)\n",
129 (m->cpufeature & CPU_MODEL_MASK) >> 4, 146 m->apicid, (m->cpufeature & CPU_FAMILY_MASK) >> 8,
130 m->apicver, quad, logical_apicid); 147 (m->cpufeature & CPU_MODEL_MASK) >> 4,
148 m->apicver, quad, logical_apicid);
149
131 return logical_apicid; 150 return logical_apicid;
132} 151}
133 152
@@ -143,11 +162,11 @@ static void mpc_oem_bus_info(struct mpc_bus *m, char *name)
143 162
144 mp_bus_id_to_node[m->busid] = quad; 163 mp_bus_id_to_node[m->busid] = quad;
145 mp_bus_id_to_local[m->busid] = local; 164 mp_bus_id_to_local[m->busid] = local;
146 printk(KERN_INFO "Bus #%d is %s (node %d)\n", 165
147 m->busid, name, quad); 166 printk(KERN_INFO "Bus #%d is %s (node %d)\n", m->busid, name, quad);
148} 167}
149 168
150int quad_local_to_mp_bus_id [NR_CPUS/4][4]; 169int quad_local_to_mp_bus_id[NR_CPUS/4][4];
151 170
152/* x86_quirks member */ 171/* x86_quirks member */
153static void mpc_oem_pci_bus(struct mpc_bus *m) 172static void mpc_oem_pci_bus(struct mpc_bus *m)
@@ -158,7 +177,7 @@ static void mpc_oem_pci_bus(struct mpc_bus *m)
158 quad_local_to_mp_bus_id[quad][local] = m->busid; 177 quad_local_to_mp_bus_id[quad][local] = m->busid;
159} 178}
160 179
161static void __init MP_translation_info(struct mpc_config_translation *m) 180static void __init MP_translation_info(struct mpc_trans *m)
162{ 181{
163 printk(KERN_INFO 182 printk(KERN_INFO
164 "Translation: record %d, type %d, quad %d, global %d, local %d\n", 183 "Translation: record %d, type %d, quad %d, global %d, local %d\n",
@@ -168,7 +187,8 @@ static void __init MP_translation_info(struct mpc_config_translation *m)
168 if (mpc_record >= MAX_MPC_ENTRY) 187 if (mpc_record >= MAX_MPC_ENTRY)
169 printk(KERN_ERR "MAX_MPC_ENTRY exceeded!\n"); 188 printk(KERN_ERR "MAX_MPC_ENTRY exceeded!\n");
170 else 189 else
171 translation_table[mpc_record] = m; /* stash this for later */ 190 translation_table[mpc_record] = m; /* stash this for later */
191
172 if (m->trans_quad < MAX_NUMNODES && !node_online(m->trans_quad)) 192 if (m->trans_quad < MAX_NUMNODES && !node_online(m->trans_quad))
173 node_set_online(m->trans_quad); 193 node_set_online(m->trans_quad);
174} 194}
@@ -186,16 +206,16 @@ static int __init mpf_checksum(unsigned char *mp, int len)
186/* 206/*
187 * Read/parse the MPC oem tables 207 * Read/parse the MPC oem tables
188 */ 208 */
189 209static void __init
190static void __init smp_read_mpc_oem(struct mpc_oemtable *oemtable, 210 smp_read_mpc_oem(struct mpc_oemtable *oemtable, unsigned short oemsize)
191 unsigned short oemsize)
192{ 211{
193 int count = sizeof(*oemtable); /* the header size */ 212 int count = sizeof(*oemtable); /* the header size */
194 unsigned char *oemptr = ((unsigned char *)oemtable) + count; 213 unsigned char *oemptr = ((unsigned char *)oemtable) + count;
195 214
196 mpc_record = 0; 215 mpc_record = 0;
197 printk(KERN_INFO "Found an OEM MPC table at %8p - parsing it ... \n", 216 printk(KERN_INFO
198 oemtable); 217 "Found an OEM MPC table at %8p - parsing it ... \n", oemtable);
218
199 if (memcmp(oemtable->signature, MPC_OEM_SIGNATURE, 4)) { 219 if (memcmp(oemtable->signature, MPC_OEM_SIGNATURE, 4)) {
200 printk(KERN_WARNING 220 printk(KERN_WARNING
201 "SMP mpc oemtable: bad signature [%c%c%c%c]!\n", 221 "SMP mpc oemtable: bad signature [%c%c%c%c]!\n",
@@ -203,16 +223,18 @@ static void __init smp_read_mpc_oem(struct mpc_oemtable *oemtable,
203 oemtable->signature[2], oemtable->signature[3]); 223 oemtable->signature[2], oemtable->signature[3]);
204 return; 224 return;
205 } 225 }
226
206 if (mpf_checksum((unsigned char *)oemtable, oemtable->length)) { 227 if (mpf_checksum((unsigned char *)oemtable, oemtable->length)) {
207 printk(KERN_WARNING "SMP oem mptable: checksum error!\n"); 228 printk(KERN_WARNING "SMP oem mptable: checksum error!\n");
208 return; 229 return;
209 } 230 }
231
210 while (count < oemtable->length) { 232 while (count < oemtable->length) {
211 switch (*oemptr) { 233 switch (*oemptr) {
212 case MP_TRANSLATION: 234 case MP_TRANSLATION:
213 { 235 {
214 struct mpc_config_translation *m = 236 struct mpc_trans *m = (void *)oemptr;
215 (struct mpc_config_translation *)oemptr; 237
216 MP_translation_info(m); 238 MP_translation_info(m);
217 oemptr += sizeof(*m); 239 oemptr += sizeof(*m);
218 count += sizeof(*m); 240 count += sizeof(*m);
@@ -220,12 +242,10 @@ static void __init smp_read_mpc_oem(struct mpc_oemtable *oemtable,
220 break; 242 break;
221 } 243 }
222 default: 244 default:
223 { 245 printk(KERN_WARNING
224 printk(KERN_WARNING 246 "Unrecognised OEM table entry type! - %d\n",
225 "Unrecognised OEM table entry type! - %d\n", 247 (int)*oemptr);
226 (int)*oemptr); 248 return;
227 return;
228 }
229 } 249 }
230 } 250 }
231} 251}
@@ -244,21 +264,21 @@ static int __init numaq_update_genapic(void)
244} 264}
245 265
246static struct x86_quirks numaq_x86_quirks __initdata = { 266static struct x86_quirks numaq_x86_quirks __initdata = {
247 .arch_pre_time_init = numaq_pre_time_init, 267 .arch_pre_time_init = numaq_pre_time_init,
248 .arch_time_init = NULL, 268 .arch_time_init = NULL,
249 .arch_pre_intr_init = NULL, 269 .arch_pre_intr_init = NULL,
250 .arch_memory_setup = NULL, 270 .arch_memory_setup = NULL,
251 .arch_intr_init = NULL, 271 .arch_intr_init = NULL,
252 .arch_trap_init = NULL, 272 .arch_trap_init = NULL,
253 .mach_get_smp_config = NULL, 273 .mach_get_smp_config = NULL,
254 .mach_find_smp_config = NULL, 274 .mach_find_smp_config = NULL,
255 .mpc_record = &mpc_record, 275 .mpc_record = &mpc_record,
256 .mpc_apic_id = mpc_apic_id, 276 .mpc_apic_id = mpc_apic_id,
257 .mpc_oem_bus_info = mpc_oem_bus_info, 277 .mpc_oem_bus_info = mpc_oem_bus_info,
258 .mpc_oem_pci_bus = mpc_oem_pci_bus, 278 .mpc_oem_pci_bus = mpc_oem_pci_bus,
259 .smp_read_mpc_oem = smp_read_mpc_oem, 279 .smp_read_mpc_oem = smp_read_mpc_oem,
260 .setup_ioapic_ids = numaq_setup_ioapic_ids, 280 .setup_ioapic_ids = numaq_setup_ioapic_ids,
261 .update_genapic = numaq_update_genapic, 281 .update_genapic = numaq_update_genapic,
262}; 282};
263 283
264void numaq_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) 284void numaq_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid)
@@ -275,6 +295,7 @@ static __init void early_check_numaq(void)
275 * Find possible boot-time SMP configuration: 295 * Find possible boot-time SMP configuration:
276 */ 296 */
277 early_find_smp_config(); 297 early_find_smp_config();
298
278 /* 299 /*
279 * get boot-time SMP configuration: 300 * get boot-time SMP configuration:
280 */ 301 */
@@ -291,28 +312,10 @@ int __init get_memcfg_numaq(void)
291 if (!found_numaq) 312 if (!found_numaq)
292 return 0; 313 return 0;
293 smp_dump_qct(); 314 smp_dump_qct();
315
294 return 1; 316 return 1;
295} 317}
296 318
297/*
298 * APIC driver for the IBM NUMAQ chipset.
299 */
300#include <linux/threads.h>
301#include <linux/cpumask.h>
302#include <asm/mpspec.h>
303#include <asm/fixmap.h>
304#include <asm/apicdef.h>
305#include <asm/ipi.h>
306#include <linux/kernel.h>
307#include <linux/string.h>
308#include <linux/init.h>
309#include <linux/numa.h>
310#include <linux/smp.h>
311#include <asm/numaq.h>
312#include <asm/io.h>
313#include <linux/mmzone.h>
314#include <linux/nodemask.h>
315
316#define NUMAQ_APIC_DFR_VALUE (APIC_DFR_CLUSTER) 319#define NUMAQ_APIC_DFR_VALUE (APIC_DFR_CLUSTER)
317 320
318static inline unsigned int numaq_get_apic_id(unsigned long x) 321static inline unsigned int numaq_get_apic_id(unsigned long x)
@@ -337,8 +340,8 @@ static inline void numaq_send_IPI_all(int vector)
337 340
338extern void numaq_mps_oem_check(struct mpc_table *, char *, char *); 341extern void numaq_mps_oem_check(struct mpc_table *, char *, char *);
339 342
340#define NUMAQ_TRAMPOLINE_PHYS_LOW (0x8) 343#define NUMAQ_TRAMPOLINE_PHYS_LOW (0x8)
341#define NUMAQ_TRAMPOLINE_PHYS_HIGH (0xa) 344#define NUMAQ_TRAMPOLINE_PHYS_HIGH (0xa)
342 345
343/* 346/*
344 * Because we use NMIs rather than the INIT-STARTUP sequence to 347 * Because we use NMIs rather than the INIT-STARTUP sequence to
@@ -426,7 +429,7 @@ static inline int numaq_cpu_present_to_apicid(int mps_cpu)
426 return BAD_APICID; 429 return BAD_APICID;
427} 430}
428 431
429static inline int numaq_apicid_to_node(int logical_apicid) 432static inline int numaq_apicid_to_node(int logical_apicid)
430{ 433{
431 return logical_apicid >> 4; 434 return logical_apicid >> 4;
432} 435}
@@ -468,7 +471,9 @@ static inline int numaq_phys_pkg_id(int cpuid_apic, int index_msb)
468{ 471{
469 return cpuid_apic >> index_msb; 472 return cpuid_apic >> index_msb;
470} 473}
471static int __numaq_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) 474
475static int
476__numaq_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid)
472{ 477{
473 numaq_mps_oem_check(mpc, oem, productid); 478 numaq_mps_oem_check(mpc, oem, productid);
474 return found_numaq; 479 return found_numaq;