apic.h 5.1 KB

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  1. #ifndef __ASM_ES7000_APIC_H
  2. #define __ASM_ES7000_APIC_H
  3. #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu)
  4. #define esr_disable (1)
  5. static inline int apic_id_registered(void)
  6. {
  7. return (1);
  8. }
  9. static inline cpumask_t target_cpus_cluster(void)
  10. {
  11. return CPU_MASK_ALL;
  12. }
  13. static inline cpumask_t target_cpus(void)
  14. {
  15. return cpumask_of_cpu(smp_processor_id());
  16. }
  17. #define APIC_DFR_VALUE_CLUSTER (APIC_DFR_CLUSTER)
  18. #define INT_DELIVERY_MODE_CLUSTER (dest_LowestPrio)
  19. #define INT_DEST_MODE_CLUSTER (1) /* logical delivery broadcast to all procs */
  20. #define NO_BALANCE_IRQ_CLUSTER (1)
  21. #define APIC_DFR_VALUE (APIC_DFR_FLAT)
  22. #define INT_DELIVERY_MODE (dest_Fixed)
  23. #define INT_DEST_MODE (0) /* phys delivery to target procs */
  24. #define NO_BALANCE_IRQ (0)
  25. #undef APIC_DEST_LOGICAL
  26. #define APIC_DEST_LOGICAL 0x0
  27. static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
  28. {
  29. return 0;
  30. }
  31. static inline unsigned long check_apicid_present(int bit)
  32. {
  33. return physid_isset(bit, phys_cpu_present_map);
  34. }
  35. #define apicid_cluster(apicid) (apicid & 0xF0)
  36. static inline unsigned long calculate_ldr(int cpu)
  37. {
  38. unsigned long id;
  39. id = xapic_phys_to_log_apicid(cpu);
  40. return (SET_APIC_LOGICAL_ID(id));
  41. }
  42. /*
  43. * Set up the logical destination ID.
  44. *
  45. * Intel recommends to set DFR, LdR and TPR before enabling
  46. * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
  47. * document number 292116). So here it goes...
  48. */
  49. static inline void init_apic_ldr_cluster(void)
  50. {
  51. unsigned long val;
  52. int cpu = smp_processor_id();
  53. apic_write(APIC_DFR, APIC_DFR_VALUE_CLUSTER);
  54. val = calculate_ldr(cpu);
  55. apic_write(APIC_LDR, val);
  56. }
  57. static inline void init_apic_ldr(void)
  58. {
  59. unsigned long val;
  60. int cpu = smp_processor_id();
  61. apic_write(APIC_DFR, APIC_DFR_VALUE);
  62. val = calculate_ldr(cpu);
  63. apic_write(APIC_LDR, val);
  64. }
  65. extern int apic_version [MAX_APICS];
  66. static inline void setup_apic_routing(void)
  67. {
  68. int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
  69. printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
  70. (apic_version[apic] == 0x14) ?
  71. "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(target_cpus())[0]);
  72. }
  73. static inline int multi_timer_check(int apic, int irq)
  74. {
  75. return 0;
  76. }
  77. static inline int apicid_to_node(int logical_apicid)
  78. {
  79. return 0;
  80. }
  81. static inline int cpu_present_to_apicid(int mps_cpu)
  82. {
  83. if (!mps_cpu)
  84. return boot_cpu_physical_apicid;
  85. else if (mps_cpu < NR_CPUS)
  86. return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
  87. else
  88. return BAD_APICID;
  89. }
  90. static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
  91. {
  92. static int id = 0;
  93. physid_mask_t mask;
  94. mask = physid_mask_of_physid(id);
  95. ++id;
  96. return mask;
  97. }
  98. extern u8 cpu_2_logical_apicid[];
  99. /* Mapping from cpu number to logical apicid */
  100. static inline int cpu_to_logical_apicid(int cpu)
  101. {
  102. #ifdef CONFIG_SMP
  103. if (cpu >= NR_CPUS)
  104. return BAD_APICID;
  105. return (int)cpu_2_logical_apicid[cpu];
  106. #else
  107. return logical_smp_processor_id();
  108. #endif
  109. }
  110. static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
  111. {
  112. /* For clustered we don't have a good way to do this yet - hack */
  113. return physids_promote(0xff);
  114. }
  115. static inline void setup_portio_remap(void)
  116. {
  117. }
  118. extern unsigned int boot_cpu_physical_apicid;
  119. static inline int check_phys_apicid_present(int cpu_physical_apicid)
  120. {
  121. boot_cpu_physical_apicid = read_apic_id();
  122. return (1);
  123. }
  124. static inline unsigned int cpu_mask_to_apicid_cluster(cpumask_t cpumask)
  125. {
  126. int num_bits_set;
  127. int cpus_found = 0;
  128. int cpu;
  129. int apicid;
  130. num_bits_set = cpus_weight(cpumask);
  131. /* Return id to all */
  132. if (num_bits_set == NR_CPUS)
  133. return 0xFF;
  134. /*
  135. * The cpus in the mask must all be on the apic cluster. If are not
  136. * on the same apicid cluster return default value of TARGET_CPUS.
  137. */
  138. cpu = first_cpu(cpumask);
  139. apicid = cpu_to_logical_apicid(cpu);
  140. while (cpus_found < num_bits_set) {
  141. if (cpu_isset(cpu, cpumask)) {
  142. int new_apicid = cpu_to_logical_apicid(cpu);
  143. if (apicid_cluster(apicid) !=
  144. apicid_cluster(new_apicid)){
  145. printk ("%s: Not a valid mask!\n", __func__);
  146. return 0xFF;
  147. }
  148. apicid = new_apicid;
  149. cpus_found++;
  150. }
  151. cpu++;
  152. }
  153. return apicid;
  154. }
  155. static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
  156. {
  157. int num_bits_set;
  158. int cpus_found = 0;
  159. int cpu;
  160. int apicid;
  161. num_bits_set = cpus_weight(cpumask);
  162. /* Return id to all */
  163. if (num_bits_set == NR_CPUS)
  164. return cpu_to_logical_apicid(0);
  165. /*
  166. * The cpus in the mask must all be on the apic cluster. If are not
  167. * on the same apicid cluster return default value of TARGET_CPUS.
  168. */
  169. cpu = first_cpu(cpumask);
  170. apicid = cpu_to_logical_apicid(cpu);
  171. while (cpus_found < num_bits_set) {
  172. if (cpu_isset(cpu, cpumask)) {
  173. int new_apicid = cpu_to_logical_apicid(cpu);
  174. if (apicid_cluster(apicid) !=
  175. apicid_cluster(new_apicid)){
  176. printk ("%s: Not a valid mask!\n", __func__);
  177. return cpu_to_logical_apicid(0);
  178. }
  179. apicid = new_apicid;
  180. cpus_found++;
  181. }
  182. cpu++;
  183. }
  184. return apicid;
  185. }
  186. static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
  187. {
  188. return cpuid_apic >> index_msb;
  189. }
  190. #endif /* __ASM_ES7000_APIC_H */