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 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 13 #include <linux/config.h> 14 #include <linux/types.h> 15 16 /* forward declarations: */ 17 struct pci_dev; 18 struct pt_regs; 19 struct scatterlist; 20 struct irq_desc; 21 struct page; 22 23 typedef void ia64_mv_setup_t (char **); 24 typedef void ia64_mv_cpu_init_t(void); 25 typedef void ia64_mv_irq_init_t (void); 26 typedef void ia64_mv_pci_fixup_t (int); 27 typedef unsigned long ia64_mv_map_nr_t (void *); 28 typedef void ia64_mv_mca_init_t (void); 29 typedef void ia64_mv_mca_handler_t (void); 30 typedef void ia64_mv_cmci_handler_t (int, void *, struct pt_regs *); 31 typedef void ia64_mv_log_print_t (void); 32 typedef void ia64_mv_send_ipi_t (int, int, int, int); 33 typedef void ia64_mv_global_tlb_purge_t (unsigned long, unsigned long, unsigned long); 34 typedef struct irq_desc *ia64_mv_irq_desc (unsigned int); 35 typedef u8 ia64_mv_irq_to_vector (u8); 36 typedef unsigned int ia64_mv_local_vector_to_irq (u8 vector); 37 38 /* PCI-DMA interface: */ 39 typedef void ia64_mv_pci_dma_init (void); 40 typedef void *ia64_mv_pci_alloc_consistent (struct pci_dev *, size_t, dma_addr_t *); 41 typedef void ia64_mv_pci_free_consistent (struct pci_dev *, size_t, void *, dma_addr_t); 42 typedef dma_addr_t ia64_mv_pci_map_single (struct pci_dev *, void *, size_t, int); 43 typedef void ia64_mv_pci_unmap_single (struct pci_dev *, dma_addr_t, size_t, int); 44 typedef int ia64_mv_pci_map_sg (struct pci_dev *, struct scatterlist *, int, int); 45 typedef void ia64_mv_pci_unmap_sg (struct pci_dev *, struct scatterlist *, int, int); 46 typedef void ia64_mv_pci_dma_sync_single (struct pci_dev *, dma_addr_t, size_t, int); 47 typedef void ia64_mv_pci_dma_sync_sg (struct pci_dev *, struct scatterlist *, int, int); 48 typedef int ia64_mv_pci_dma_supported (struct pci_dev *, u64); 49 50 /* 51 * WARNING: The legacy I/O space is _architected_. Platforms are 52 * expected to follow this architected model (see Section 10.7 in the 53 * IA-64 Architecture Software Developer's Manual). Unfortunately, 54 * some broken machines do not follow that model, which is why we have 55 * to make the inX/outX operations part of the machine vector. 56 * Platform designers should follow the architected model whenever 57 * possible. 58 */ 59 typedef unsigned int ia64_mv_inb_t (unsigned long); 60 typedef unsigned int ia64_mv_inw_t (unsigned long); 61 typedef unsigned int ia64_mv_inl_t (unsigned long); 62 typedef void ia64_mv_outb_t (unsigned char, unsigned long); 63 typedef void ia64_mv_outw_t (unsigned short, unsigned long); 64 typedef void ia64_mv_outl_t (unsigned int, unsigned long); 65 66 extern void machvec_noop (void); 67 68 # if defined (CONFIG_IA64_HP_SIM) 69 # include <asm/machvec_hpsim.h> 70 # elif defined (CONFIG_IA64_DIG) 71 # include <asm/machvec_dig.h> 72 # elif defined (CONFIG_IA64_HP_ZX1) 73 # include <asm/machvec_hpzx1.h> 74 # elif defined (CONFIG_IA64_SGI_SN1) 75 # include <asm/machvec_sn1.h> 76 # elif defined (CONFIG_IA64_SGI_SN2) 77 # include <asm/machvec_sn2.h> 78 # elif defined (CONFIG_IA64_GENERIC) 79 80 # ifdef MACHVEC_PLATFORM_HEADER 81 # include MACHVEC_PLATFORM_HEADER 82 # else 83 # define platform_name ia64_mv.name 84 # define platform_setup ia64_mv.setup 85 # define platform_cpu_init ia64_mv.cpu_init 86 # define platform_irq_init ia64_mv.irq_init 87 # define platform_map_nr ia64_mv.map_nr 88 # define platform_mca_init ia64_mv.mca_init 89 # define platform_mca_handler ia64_mv.mca_handler 90 # define platform_cmci_handler ia64_mv.cmci_handler 91 # define platform_log_print ia64_mv.log_print 92 # define platform_pci_fixup ia64_mv.pci_fixup 93 # define platform_send_ipi ia64_mv.send_ipi 94 # define platform_global_tlb_purge ia64_mv.global_tlb_purge 95 # define platform_pci_dma_init ia64_mv.dma_init 96 # define platform_pci_alloc_consistent ia64_mv.alloc_consistent 97 # define platform_pci_free_consistent ia64_mv.free_consistent 98 # define platform_pci_map_single ia64_mv.map_single 99 # define platform_pci_unmap_single ia64_mv.unmap_single 100 # define platform_pci_map_sg ia64_mv.map_sg 101 # define platform_pci_unmap_sg ia64_mv.unmap_sg 102 # define platform_pci_dma_sync_single ia64_mv.sync_single 103 # define platform_pci_dma_sync_sg ia64_mv.sync_sg 104 # define platform_pci_dma_supported ia64_mv.dma_supported 105 # define platform_irq_desc ia64_mv.irq_desc 106 # define platform_irq_to_vector ia64_mv.irq_to_vector 107 # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq 108 # define platform_inb ia64_mv.inb 109 # define platform_inw ia64_mv.inw 110 # define platform_inl ia64_mv.inl 111 # define platform_outb ia64_mv.outb 112 # define platform_outw ia64_mv.outw 113 # define platform_outl ia64_mv.outl 114 # endif 115 116 struct ia64_machine_vector { 117 const char *name; 118 ia64_mv_setup_t *setup; 119 ia64_mv_cpu_init_t *cpu_init; 120 ia64_mv_irq_init_t *irq_init; 121 ia64_mv_pci_fixup_t *pci_fixup; 122 ia64_mv_map_nr_t *map_nr; 123 ia64_mv_mca_init_t *mca_init; 124 ia64_mv_mca_handler_t *mca_handler; 125 ia64_mv_cmci_handler_t *cmci_handler; 126 ia64_mv_log_print_t *log_print; 127 ia64_mv_send_ipi_t *send_ipi; 128 ia64_mv_global_tlb_purge_t *global_tlb_purge; 129 ia64_mv_pci_dma_init *dma_init; 130 ia64_mv_pci_alloc_consistent *alloc_consistent; 131 ia64_mv_pci_free_consistent *free_consistent; 132 ia64_mv_pci_map_single *map_single; 133 ia64_mv_pci_unmap_single *unmap_single; 134 ia64_mv_pci_map_sg *map_sg; 135 ia64_mv_pci_unmap_sg *unmap_sg; 136 ia64_mv_pci_dma_sync_single *sync_single; 137 ia64_mv_pci_dma_sync_sg *sync_sg; 138 ia64_mv_pci_dma_supported *dma_supported; 139 ia64_mv_irq_desc *irq_desc; 140 ia64_mv_irq_to_vector *irq_to_vector; 141 ia64_mv_local_vector_to_irq *local_vector_to_irq; 142 ia64_mv_inb_t *inb; 143 ia64_mv_inw_t *inw; 144 ia64_mv_inl_t *inl; 145 ia64_mv_outb_t *outb; 146 ia64_mv_outw_t *outw; 147 ia64_mv_outl_t *outl; 148 }; 149 150 #define MACHVEC_INIT(name) \ 151 { \ 152 #name, \ 153 platform_setup, \ 154 platform_cpu_init, \ 155 platform_irq_init, \ 156 platform_pci_fixup, \ 157 platform_map_nr, \ 158 platform_mca_init, \ 159 platform_mca_handler, \ 160 platform_cmci_handler, \ 161 platform_log_print, \ 162 platform_send_ipi, \ 163 platform_global_tlb_purge, \ 164 platform_pci_dma_init, \ 165 platform_pci_alloc_consistent, \ 166 platform_pci_free_consistent, \ 167 platform_pci_map_single, \ 168 platform_pci_unmap_single, \ 169 platform_pci_map_sg, \ 170 platform_pci_unmap_sg, \ 171 platform_pci_dma_sync_single, \ 172 platform_pci_dma_sync_sg, \ 173 platform_pci_dma_supported, \ 174 platform_irq_desc, \ 175 platform_irq_to_vector, \ 176 platform_local_vector_to_irq, \ 177 platform_inb, \ 178 platform_inw, \ 179 platform_inl, \ 180 platform_outb, \ 181 platform_outw, \ 182 platform_outl \ 183 } 184 185 extern struct ia64_machine_vector ia64_mv; 186 extern void machvec_init (const char *name); 187 188 # else 189 # error Unknown configuration. Update asm-ia64/machvec.h. 190 # endif /* CONFIG_IA64_GENERIC */ 191 192 /* 193 * Declare default routines which aren't declared anywhere else: 194 */ 195 extern ia64_mv_pci_dma_init swiotlb_init; 196 extern ia64_mv_pci_alloc_consistent swiotlb_alloc_consistent; 197 extern ia64_mv_pci_free_consistent swiotlb_free_consistent; 198 extern ia64_mv_pci_map_single swiotlb_map_single; 199 extern ia64_mv_pci_unmap_single swiotlb_unmap_single; 200 extern ia64_mv_pci_map_sg swiotlb_map_sg; 201 extern ia64_mv_pci_unmap_sg swiotlb_unmap_sg; 202 extern ia64_mv_pci_dma_sync_single swiotlb_sync_single; 203 extern ia64_mv_pci_dma_sync_sg swiotlb_sync_sg; 204 extern ia64_mv_pci_dma_supported swiotlb_pci_dma_supported; 205 206 /* 207 * Define default versions so we can extend machvec for new platforms without having 208 * to update the machvec files for all existing platforms. 209 */ 210 #ifndef platform_setup 211 # define platform_setup ((ia64_mv_setup_t *) machvec_noop) 212 #endif 213 #ifndef platform_cpu_init 214 # define platform_cpu_init ((ia64_mv_cpu_init_t *) machvec_noop) 215 #endif 216 #ifndef platform_irq_init 217 # define platform_irq_init ((ia64_mv_irq_init_t *) machvec_noop) 218 #endif 219 #ifndef platform_mca_init 220 # define platform_mca_init ((ia64_mv_mca_init_t *) machvec_noop) 221 #endif 222 #ifndef platform_mca_handler 223 # define platform_mca_handler ((ia64_mv_mca_handler_t *) machvec_noop) 224 #endif 225 #ifndef platform_cmci_handler 226 # define platform_cmci_handler ((ia64_mv_cmci_handler_t *) machvec_noop) 227 #endif 228 #ifndef platform_log_print 229 # define platform_log_print ((ia64_mv_log_print_t *) machvec_noop) 230 #endif 231 #ifndef platform_pci_fixup 232 # define platform_pci_fixup ((ia64_mv_pci_fixup_t *) machvec_noop) 233 #endif 234 #ifndef platform_send_ipi 235 # define platform_send_ipi ia64_send_ipi /* default to architected version */ 236 #endif 237 #ifndef platform_global_tlb_purge 238 # define platform_global_tlb_purge ia64_global_tlb_purge /* default to architected version */ 239 #endif 240 #ifndef platform_pci_dma_init 241 # define platform_pci_dma_init swiotlb_init 242 #endif 243 #ifndef platform_pci_alloc_consistent 244 # define platform_pci_alloc_consistent swiotlb_alloc_consistent 245 #endif 246 #ifndef platform_pci_free_consistent 247 # define platform_pci_free_consistent swiotlb_free_consistent 248 #endif 249 #ifndef platform_pci_map_single 250 # define platform_pci_map_single swiotlb_map_single 251 #endif 252 #ifndef platform_pci_unmap_single 253 # define platform_pci_unmap_single swiotlb_unmap_single 254 #endif 255 #ifndef platform_pci_map_sg 256 # define platform_pci_map_sg swiotlb_map_sg 257 #endif 258 #ifndef platform_pci_unmap_sg 259 # define platform_pci_unmap_sg swiotlb_unmap_sg 260 #endif 261 #ifndef platform_pci_dma_sync_single 262 # define platform_pci_dma_sync_single swiotlb_sync_single 263 #endif 264 #ifndef platform_pci_dma_sync_sg 265 # define platform_pci_dma_sync_sg swiotlb_sync_sg 266 #endif 267 #ifndef platform_pci_dma_supported 268 # define platform_pci_dma_supported swiotlb_pci_dma_supported 269 #endif 270 #ifndef platform_irq_desc 271 # define platform_irq_desc __ia64_irq_desc 272 #endif 273 #ifndef platform_irq_to_vector 274 # define platform_irq_to_vector __ia64_irq_to_vector 275 #endif 276 #ifndef platform_local_vector_to_irq 277 # define platform_local_vector_to_irq __ia64_local_vector_to_irq 278 #endif 279 #ifndef platform_inb 280 # define platform_inb __ia64_inb 281 #endif 282 #ifndef platform_inw 283 # define platform_inw __ia64_inw 284 #endif 285 #ifndef platform_inl 286 # define platform_inl __ia64_inl 287 #endif 288 #ifndef platform_outb 289 # define platform_outb __ia64_outb 290 #endif 291 #ifndef platform_outw 292 # define platform_outw __ia64_outw 293 #endif 294 #ifndef platform_outl 295 # define platform_outl __ia64_outl 296 #endif 297 298 #endif /* _ASM_IA64_MACHVEC_H */ 299