memoryOperation.h 6.9 KB

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  1. /*
  2. * Machine vector for IA-64.
  3. *
  4. * Copyright (C) 1999 Silicon Graphics, Inc.
  5. * Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com>
  6. * Copyright (C) Vijay Chander <vijay@engr.sgi.com>
  7. * Copyright (C) 1999-2001, 2003-2004 Hewlett-Packard Co.
  8. * David Mosberger-Tang <davidm@hpl.hp.com>
  9. */
  10. #ifndef _ASM_IA64_MACHVEC_H
  11. #define _ASM_IA64_MACHVEC_H
  12. #include <linux/types.h>
  13. /* forward declarations: */
  14. struct device;
  15. struct pt_regs;
  16. struct scatterlist;
  17. struct page;
  18. struct mm_struct;
  19. struct pci_bus;
  20. struct task_struct;
  21. struct pci_dev;
  22. struct msi_desc;
  23. struct dma_attrs;
  24. typedef void ia64_mv_setup_t (char **);
  25. typedef void ia64_mv_cpu_init_t (void);
  26. typedef void ia64_mv_irq_init_t (void);
  27. typedef void ia64_mv_send_ipi_t (int, int, int, int);
  28. typedef void ia64_mv_timer_interrupt_t (int, void *);
  29. typedef void ia64_mv_global_tlb_purge_t (struct mm_struct *, unsigned long, unsigned long, unsigned long);
  30. typedef void ia64_mv_tlb_migrate_finish_t (struct mm_struct *);
  31. typedef u8 ia64_mv_irq_to_vector (int);
  32. typedef unsigned int ia64_mv_local_vector_to_irq (u8);
  33. typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus *);
  34. typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val,
  35. u8 size);
  36. typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val,
  37. u8 size);
  38. typedef void ia64_mv_migrate_t(struct task_struct * task);
  39. typedef void ia64_mv_pci_fixup_bus_t (struct pci_bus *);
  40. typedef void ia64_mv_kernel_launch_event_t(void);
  41. /* DMA-mapping interface: */
  42. typedef void ia64_mv_dma_init (void);
  43. typedef u64 ia64_mv_dma_get_required_mask (struct device *);
  44. typedef struct dma_map_ops *ia64_mv_dma_get_ops(struct device *);
  45. /*
  46. * WARNING: The legacy I/O space is _architected_. Platforms are
  47. * expected to follow this architected model (see Section 10.7 in the
  48. * IA-64 Architecture Software Developer's Manual). Unfortunately,
  49. * some broken machines do not follow that model, which is why we have
  50. * to make the inX/outX operations part of the machine vector.
  51. * Platform designers should follow the architected model whenever
  52. * possible.
  53. */
  54. typedef unsigned int ia64_mv_inb_t (unsigned long);
  55. typedef unsigned int ia64_mv_inw_t (unsigned long);
  56. typedef unsigned int ia64_mv_inl_t (unsigned long);
  57. typedef void ia64_mv_outb_t (unsigned char, unsigned long);
  58. typedef void ia64_mv_outw_t (unsigned short, unsigned long);
  59. typedef void ia64_mv_outl_t (unsigned int, unsigned long);
  60. typedef void ia64_mv_mmiowb_t (void);
  61. typedef unsigned char ia64_mv_readb_t (const volatile void __iomem *);
  62. typedef unsigned short ia64_mv_readw_t (const volatile void __iomem *);
  63. typedef unsigned int ia64_mv_readl_t (const volatile void __iomem *);
  64. typedef unsigned long ia64_mv_readq_t (const volatile void __iomem *);
  65. typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
  66. typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
  67. typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
  68. typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);
  69. typedef int ia64_mv_setup_msi_irq_t (struct pci_dev *pdev, struct msi_desc *);
  70. typedef void ia64_mv_teardown_msi_irq_t (unsigned int irq);
  71. static inline void
  72. machvec_noop (void)
  73. {
  74. }
  75. static inline void
  76. machvec_noop_mm (struct mm_struct *mm)
  77. {
  78. }
  79. static inline void
  80. machvec_noop_task (struct task_struct *task)
  81. {
  82. }
  83. static inline void
  84. machvec_noop_bus (struct pci_bus *bus)
  85. {
  86. }
  87. extern void machvec_setup (char **);
  88. extern void machvec_timer_interrupt (int, void *);
  89. extern void machvec_tlb_migrate_finish (struct mm_struct *);
  90. # if defined (CONFIG_IA64_HP_SIM)
  91. # include <asm/machvec_hpsim.h>
  92. # elif defined (CONFIG_IA64_DIG)
  93. # include <asm/machvec_dig.h>
  94. # elif defined(CONFIG_IA64_DIG_VTD)
  95. # include <asm/machvec_dig_vtd.h>
  96. # elif defined (CONFIG_IA64_HP_ZX1)
  97. # include <asm/machvec_hpzx1.h>
  98. # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
  99. # include <asm/machvec_hpzx1_swiotlb.h>
  100. # elif defined (CONFIG_IA64_SGI_SN2)
  101. # include <asm/machvec_sn2.h>
  102. # elif defined (CONFIG_IA64_SGI_UV)
  103. # include <asm/machvec_uv.h>
  104. # elif defined (CONFIG_IA64_XEN_GUEST)
  105. # include <asm/machvec_xen.h>
  106. # elif defined (CONFIG_IA64_GENERIC)
  107. # ifdef MACHVEC_PLATFORM_HEADER
  108. # include MACHVEC_PLATFORM_HEADER
  109. # else
  110. # define ia64_platform_name ia64_mv.name
  111. # define platform_setup ia64_mv.setup
  112. # define platform_cpu_init ia64_mv.cpu_init
  113. # define platform_irq_init ia64_mv.irq_init
  114. # define platform_send_ipi ia64_mv.send_ipi
  115. # define platform_timer_interrupt ia64_mv.timer_interrupt
  116. # define platform_global_tlb_purge ia64_mv.global_tlb_purge
  117. # define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish
  118. # define platform_dma_init ia64_mv.dma_init
  119. # define platform_dma_get_required_mask ia64_mv.dma_get_required_mask
  120. # define platform_dma_get_ops ia64_mv.dma_get_ops
  121. # define platform_irq_to_vector ia64_mv.irq_to_vector
  122. # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq
  123. # define platform_pci_get_legacy_mem ia64_mv.pci_get_legacy_mem
  124. # define platform_pci_legacy_read ia64_mv.pci_legacy_read
  125. # define platform_pci_legacy_write ia64_mv.pci_legacy_write
  126. # define platform_inb ia64_mv.inb
  127. # define platform_inw ia64_mv.inw
  128. # define platform_inl ia64_mv.inl
  129. # define platform_outb ia64_mv.outb
  130. # define platform_outw ia64_mv.outw
  131. # define platform_outl ia64_mv.outl
  132. # define platform_mmiowb ia64_mv.mmiowb
  133. # define platform_readb ia64_mv.readb
  134. # define platform_readw ia64_mv.readw
  135. # define platform_readl ia64_mv.readl
  136. # define platform_readq ia64_mv.readq
  137. # define platform_readb_relaxed ia64_mv.readb_relaxed
  138. # define platform_readw_relaxed ia64_mv.readw_relaxed
  139. # define platform_readl_relaxed ia64_mv.readl_relaxed
  140. # define platform_readq_relaxed ia64_mv.readq_relaxed
  141. # define platform_migrate ia64_mv.migrate
  142. # define platform_setup_msi_irq ia64_mv.setup_msi_irq
  143. # define platform_teardown_msi_irq ia64_mv.teardown_msi_irq
  144. # define platform_pci_fixup_bus ia64_mv.pci_fixup_bus
  145. # define platform_kernel_launch_event ia64_mv.kernel_launch_event
  146. # endif
  147. /* __attribute__((__aligned__(16))) is required to make size of the
  148. * structure multiple of 16 bytes.
  149. * This will fillup the holes created because of section 3.3.1 in
  150. * Software Conventions guide.
  151. */
  152. struct ia64_machine_vector {
  153. const char *name;
  154. ia64_mv_setup_t *setup;
  155. ia64_mv_cpu_init_t *cpu_init;
  156. ia64_mv_irq_init_t *irq_init;
  157. ia64_mv_send_ipi_t *send_ipi;
  158. ia64_mv_timer_interrupt_t *timer_interrupt;
  159. ia64_mv_global_tlb_purge_t *global_tlb_purge;
  160. ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish;
  161. ia64_mv_dma_init *dma_init;
  162. ia64_mv_dma_get_required_mask *dma_get_required_mask;
  163. ia64_mv_dma_get_ops *dma_get_ops;
  164. ia64_mv_irq_to_vector *irq_to_vector;
  165. ia64_mv_local_vector_to_irq *local_vector_to_irq;
  166. ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem;
  167. ia64_mv_pci_legacy_read_t *pci_legacy_read;
  168. ia64_mv_pci_legacy_write_t *pci_legacy_write;
  169. ia64_mv_inb_t *inb;
  170. ia64_mv_inw_t *inw;
  171. ia64_mv_inl_t *inl;