arch/alpha/kernel/proto.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <linux/interrupt.h>
   3 #include <linux/io.h>
   4
   5 /* Prototypes of functions used across modules here in this directory.  */
   6
   7 #define vucp    volatile unsigned char  *
   8 #define vusp    volatile unsigned short *
   9 #define vip     volatile int *
  10 #define vuip    volatile unsigned int   *
  11 #define vulp    volatile unsigned long  *
  12
  13 struct pt_regs;
  14 struct task_struct;
  15 struct pci_dev;
  16 struct pci_controller;
  17
  18 /* core_apecs.c */
  19 extern struct pci_ops apecs_pci_ops;
  20 extern void apecs_init_arch(void);
  21 extern void apecs_pci_clr_err(void);
  22 extern void apecs_machine_check(unsigned long vector, unsigned long la_ptr);
  23 extern void apecs_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  24
  25 /* core_cia.c */
  26 extern struct pci_ops cia_pci_ops;
  27 extern void cia_init_pci(void);
  28 extern void cia_init_arch(void);
  29 extern void pyxis_init_arch(void);
  30 extern void cia_kill_arch(int);
  31 extern void cia_machine_check(unsigned long vector, unsigned long la_ptr);
  32 extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  33
  34 /* core_irongate.c */
  35 extern struct pci_ops irongate_pci_ops;
  36 extern int irongate_pci_clr_err(void);
  37 extern void irongate_init_arch(void);
  38 #define irongate_pci_tbi ((void *)0)
  39
  40 /* core_lca.c */
  41 extern struct pci_ops lca_pci_ops;
  42 extern void lca_init_arch(void);
  43 extern void lca_machine_check(unsigned long vector, unsigned long la_ptr);
  44 extern void lca_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  45
  46 /* core_marvel.c */
  47 extern struct pci_ops marvel_pci_ops;
  48 extern void marvel_init_arch(void);
  49 extern void marvel_kill_arch(int);
  50 extern void marvel_machine_check(unsigned long, unsigned long);
  51 extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  52 extern int marvel_pa_to_nid(unsigned long);
  53 extern int marvel_cpuid_to_nid(int);
  54 extern unsigned long marvel_node_mem_start(int);
  55 extern unsigned long marvel_node_mem_size(int);
  56 extern struct _alpha_agp_info *marvel_agp_info(void);
  57 struct io7 *marvel_find_io7(int pe);
  58 struct io7 *marvel_next_io7(struct io7 *prev);
  59 void io7_clear_errors(struct io7 *io7);
  60
  61 /* core_mcpcia.c */
  62 extern struct pci_ops mcpcia_pci_ops;
  63 extern void mcpcia_init_arch(void);
  64 extern void mcpcia_init_hoses(void);
  65 extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr);
  66 extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  67
  68 /* core_polaris.c */
  69 extern struct pci_ops polaris_pci_ops;
  70 extern int polaris_read_config_dword(struct pci_dev *, int, u32 *);
  71 extern int polaris_write_config_dword(struct pci_dev *, int, u32);
  72 extern void polaris_init_arch(void);
  73 extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr);
  74 #define polaris_pci_tbi ((void *)0)
  75
  76 /* core_t2.c */
  77 extern struct pci_ops t2_pci_ops;
  78 extern void t2_init_arch(void);
  79 extern void t2_kill_arch(int);
  80 extern void t2_machine_check(unsigned long vector, unsigned long la_ptr);
  81 extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  82
  83 /* core_titan.c */
  84 extern struct pci_ops titan_pci_ops;
  85 extern void titan_init_arch(void);
  86 extern void titan_kill_arch(int);
  87 extern void titan_machine_check(unsigned long, unsigned long);
  88 extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  89 extern struct _alpha_agp_info *titan_agp_info(void);
  90
  91 /* core_tsunami.c */
  92 extern struct pci_ops tsunami_pci_ops;
  93 extern void tsunami_init_arch(void);
  94 extern void tsunami_kill_arch(int);
  95 extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr);
  96 extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  97
  98 /* core_wildfire.c */
  99 extern struct pci_ops wildfire_pci_ops;
 100 extern void wildfire_init_arch(void);
 101 extern void wildfire_kill_arch(int);
 102 extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr);
 103 extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
 104 extern int wildfire_pa_to_nid(unsigned long);
 105 extern int wildfire_cpuid_to_nid(int);
 106 extern unsigned long wildfire_node_mem_start(int);
 107 extern unsigned long wildfire_node_mem_size(int);
 108
 109 /* console.c */
 110 #ifdef CONFIG_VGA_HOSE
 111 extern void find_console_vga_hose(void);
 112 extern void locate_and_init_vga(void *(*)(void *, void *));
 113 #else
 114 static inline void find_console_vga_hose(void) { }
 115 static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { }
 116 #endif
 117
 118 /* setup.c */
 119 extern unsigned long srm_hae;
 120 extern int boot_cpuid;
 121 #ifdef CONFIG_VERBOSE_MCHECK
 122 extern unsigned long alpha_verbose_mcheck;
 123 #endif
 124
 125 /* srmcons.c */
 126 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
 127 extern void register_srm_console(void);
 128 extern void unregister_srm_console(void);
 129 #else
 130 #define register_srm_console()
 131 #define unregister_srm_console()
 132 #endif
 133
 134 /* smp.c */
 135 extern void setup_smp(void);
 136 extern void handle_ipi(struct pt_regs *);
 137
 138 /* bios32.c */
 139 /* extern void reset_for_srm(void); */
 140
 141 /* time.c */
 142 extern irqreturn_t rtc_timer_interrupt(int irq, void *dev);
 143 extern void init_clockevent(void);
 144 extern void common_init_rtc(void);
 145 extern unsigned long est_cycle_freq;
 146
 147 /* smc37c93x.c */
 148 extern void SMC93x_Init(void);
 149
 150 /* smc37c669.c */
 151 extern void SMC669_Init(int);
 152
 153 /* es1888.c */
 154 extern void es1888_init(void);
 155
 156 /* ../lib/fpreg.c */
 157 extern void alpha_write_fp_reg (unsigned long reg, unsigned long val);
 158 extern unsigned long alpha_read_fp_reg (unsigned long reg);
 159
 160 /* head.S */
 161 extern void wrmces(unsigned long mces);
 162 extern void cserve_ena(unsigned long);
 163 extern void cserve_dis(unsigned long);
 164 extern void __smp_callin(unsigned long);
 165
 166 /* entry.S */
 167 extern void entArith(void);
 168 extern void entIF(void);
 169 extern void entInt(void);
 170 extern void entMM(void);
 171 extern void entSys(void);
 172 extern void entUna(void);
 173 extern void entDbg(void);
 174
 175 /* ptrace.c */
 176 extern int ptrace_set_bpt (struct task_struct *child);
 177 extern int ptrace_cancel_bpt (struct task_struct *child);
 178
 179 /* traps.c */
 180 extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
 181 extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
 182
 183 /* sys_titan.c */
 184 extern void titan_dispatch_irqs(u64);
 185
 186 /* ../mm/init.c */
 187 extern void switch_to_system_map(void);
 188 extern void srm_paging_stop(void);
 189
 190 static inline int
 191 __alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
 192                          unsigned long size, unsigned long flags)
 193 {
 194         pgprot_t prot;
 195
 196         prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE
 197                         | _PAGE_KWE | flags);
 198         return ioremap_page_range(address, address + size, phys_addr, prot);
 199 }
 200
 201 /* irq.c */
 202
 203 #ifdef CONFIG_SMP
 204 #define mcheck_expected(cpu)    (cpu_data[cpu].mcheck_expected)
 205 #define mcheck_taken(cpu)       (cpu_data[cpu].mcheck_taken)
 206 #define mcheck_extra(cpu)       (cpu_data[cpu].mcheck_extra)
 207 #else
 208 extern struct mcheck_info
 209 {
 210         unsigned char expected __attribute__((aligned(8)));
 211         unsigned char taken;
 212         unsigned char extra;
 213 } __mcheck_info;
 214
 215 #define mcheck_expected(cpu)    (*((void)(cpu), &__mcheck_info.expected))
 216 #define mcheck_taken(cpu)       (*((void)(cpu), &__mcheck_info.taken))
 217 #define mcheck_extra(cpu)       (*((void)(cpu), &__mcheck_info.extra))
 218 #endif
 219
 220 extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr,
 221                                 const char *machine, int expected);