settings.h 5.1 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Internal header to deal with irq_desc->status which will be renamed
  4. * to irq_desc->settings.
  5. */
  6. enum {
  7. _IRQ_DEFAULT_INIT_FLAGS = IRQ_DEFAULT_INIT_FLAGS,
  8. _IRQ_PER_CPU = IRQ_PER_CPU,
  9. _IRQ_LEVEL = IRQ_LEVEL,
  10. _IRQ_NOPROBE = IRQ_NOPROBE,
  11. _IRQ_NOREQUEST = IRQ_NOREQUEST,
  12. _IRQ_NOTHREAD = IRQ_NOTHREAD,
  13. _IRQ_NOAUTOEN = IRQ_NOAUTOEN,
  14. _IRQ_MOVE_PCNTXT = IRQ_MOVE_PCNTXT,
  15. _IRQ_NO_BALANCING = IRQ_NO_BALANCING,
  16. _IRQ_NESTED_THREAD = IRQ_NESTED_THREAD,
  17. _IRQ_PER_CPU_DEVID = IRQ_PER_CPU_DEVID,
  18. _IRQ_IS_POLLED = IRQ_IS_POLLED,
  19. _IRQ_DISABLE_UNLAZY = IRQ_DISABLE_UNLAZY,
  20. _IRQ_HIDDEN = IRQ_HIDDEN,
  21. _IRQ_RAW = IRQ_RAW,
  22. _IRQF_MODIFY_MASK = IRQF_MODIFY_MASK,
  23. };
  24. #define IRQ_PER_CPU GOT_YOU_MORON
  25. #define IRQ_NO_BALANCING GOT_YOU_MORON
  26. #define IRQ_LEVEL GOT_YOU_MORON
  27. #define IRQ_NOPROBE GOT_YOU_MORON
  28. #define IRQ_NOREQUEST GOT_YOU_MORON
  29. #define IRQ_NOTHREAD GOT_YOU_MORON
  30. #define IRQ_NOAUTOEN GOT_YOU_MORON
  31. #define IRQ_NESTED_THREAD GOT_YOU_MORON
  32. #define IRQ_PER_CPU_DEVID GOT_YOU_MORON
  33. #define IRQ_IS_POLLED GOT_YOU_MORON
  34. #define IRQ_DISABLE_UNLAZY GOT_YOU_MORON
  35. #define IRQ_HIDDEN GOT_YOU_MORON
  36. #define IRQ_RAW GOT_YOU_MORON
  37. #undef IRQF_MODIFY_MASK
  38. #define IRQF_MODIFY_MASK GOT_YOU_MORON
  39. static inline void
  40. __irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set, u32 mask)
  41. {
  42. desc->status_use_accessors &= ~(clr & mask);
  43. desc->status_use_accessors |= (set & mask);
  44. }
  45. static inline void
  46. irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
  47. {
  48. __irq_settings_clr_and_set(desc, clr, set, _IRQF_MODIFY_MASK);
  49. }
  50. static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
  51. {
  52. return desc->status_use_accessors & _IRQ_PER_CPU;
  53. }
  54. static inline bool irq_settings_is_per_cpu_devid(struct irq_desc *desc)
  55. {
  56. return desc->status_use_accessors & _IRQ_PER_CPU_DEVID;
  57. }
  58. static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
  59. {
  60. desc->status_use_accessors |= _IRQ_PER_CPU;
  61. }
  62. static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
  63. {
  64. desc->status_use_accessors |= _IRQ_NO_BALANCING;
  65. }
  66. static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
  67. {
  68. return desc->status_use_accessors & _IRQ_NO_BALANCING;
  69. }
  70. static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
  71. {
  72. return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
  73. }
  74. static inline void
  75. irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
  76. {
  77. desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
  78. desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
  79. }
  80. static inline bool irq_settings_is_level(struct irq_desc *desc)
  81. {
  82. return desc->status_use_accessors & _IRQ_LEVEL;
  83. }
  84. static inline void irq_settings_clr_level(struct irq_desc *desc)
  85. {
  86. desc->status_use_accessors &= ~_IRQ_LEVEL;
  87. }
  88. static inline void irq_settings_set_level(struct irq_desc *desc)
  89. {
  90. desc->status_use_accessors |= _IRQ_LEVEL;
  91. }
  92. static inline bool irq_settings_can_request(struct irq_desc *desc)
  93. {
  94. return !(desc->status_use_accessors & _IRQ_NOREQUEST);
  95. }
  96. static inline void irq_settings_clr_norequest(struct irq_desc *desc)
  97. {
  98. desc->status_use_accessors &= ~_IRQ_NOREQUEST;
  99. }
  100. static inline void irq_settings_set_norequest(struct irq_desc *desc)
  101. {
  102. desc->status_use_accessors |= _IRQ_NOREQUEST;
  103. }
  104. static inline bool irq_settings_can_thread(struct irq_desc *desc)
  105. {
  106. return !(desc->status_use_accessors & _IRQ_NOTHREAD);
  107. }
  108. static inline void irq_settings_clr_nothread(struct irq_desc *desc)
  109. {
  110. desc->status_use_accessors &= ~_IRQ_NOTHREAD;
  111. }
  112. static inline void irq_settings_set_nothread(struct irq_desc *desc)
  113. {
  114. desc->status_use_accessors |= _IRQ_NOTHREAD;
  115. }
  116. static inline bool irq_settings_can_probe(struct irq_desc *desc)
  117. {
  118. return !(desc->status_use_accessors & _IRQ_NOPROBE);
  119. }
  120. static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
  121. {
  122. desc->status_use_accessors &= ~_IRQ_NOPROBE;
  123. }
  124. static inline void irq_settings_set_noprobe(struct irq_desc *desc)
  125. {
  126. desc->status_use_accessors |= _IRQ_NOPROBE;
  127. }
  128. static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
  129. {
  130. return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
  131. }
  132. static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
  133. {
  134. return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
  135. }
  136. static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
  137. {
  138. return desc->status_use_accessors & _IRQ_NESTED_THREAD;
  139. }
  140. static inline bool irq_settings_is_polled(struct irq_desc *desc)
  141. {
  142. return desc->status_use_accessors & _IRQ_IS_POLLED;
  143. }
  144. static inline bool irq_settings_disable_unlazy(struct irq_desc *desc)
  145. {
  146. return desc->status_use_accessors & _IRQ_DISABLE_UNLAZY;
  147. }
  148. static inline void irq_settings_clr_disable_unlazy(struct irq_desc *desc)
  149. {
  150. desc->status_use_accessors &= ~_IRQ_DISABLE_UNLAZY;
  151. }
  152. static inline bool irq_settings_is_hidden(struct irq_desc *desc)
  153. {
  154. return desc->status_use_accessors & _IRQ_HIDDEN;
  155. }
  156. static inline bool irq_settings_is_raw(struct irq_desc *desc)
  157. {
  158. if (IS_ENABLED(CONFIG_ARCH_WANTS_IRQ_RAW))
  159. return desc->status_use_accessors & _IRQ_RAW;
  160. /*
  161. * Using IRQ_RAW on architectures that don't expect it is
  162. * likely to be wrong.
  163. */
  164. WARN_ON_ONCE(1);
  165. return false;
  166. }