include/minix/syslib.h

   1 /* Prototypes for system library functions. */
   2
   3 #ifndef _SYSLIB_H
   4 #define _SYSLIB_H
   5
   6 #ifndef _TYPES_H
   7 #include <sys/types.h>
   8 #endif
   9
  10 #ifndef _IPC_H
  11 #include <minix/ipc.h>
  12 #endif
  13
  14 #ifndef _DEVIO_H
  15 #include <minix/devio.h>
  16 #endif
  17
  18 #include <minix/safecopies.h>
  19
  20 /* Forward declaration */
  21 struct reg86u;
  22 struct rs_pci;
  23
  24 #define SYSTASK SYSTEM
  25
  26 /*==========================================================================*
  27  * Minix system library.                                                    *
  28  *==========================================================================*/
  29 _PROTOTYPE( int _taskcall, (int who, int syscallnr, message *msgptr));
  30
  31 _PROTOTYPE( int sys_abort, (int how, ...));
  32 _PROTOTYPE( int sys_enable_iop, (endpoint_t proc));
  33 _PROTOTYPE( int sys_exec, (endpoint_t proc, char *ptr,
  34                                 char *aout, vir_bytes initpc));
  35 _PROTOTYPE( int sys_fork, (int parent, int child, int *, struct mem_map *ptr));
  36 _PROTOTYPE( int sys_newmap, (endpoint_t proc, struct mem_map *ptr));
  37 _PROTOTYPE( int sys_exit, (endpoint_t proc));
  38 _PROTOTYPE( int sys_trace, (int req, endpoint_t proc, long addr, long *data_p));
  39
  40 _PROTOTYPE( int sys_privctl, (endpoint_t proc, int req, int i, void *p));
  41 _PROTOTYPE( int sys_setgrant, (cp_grant_t *grants, int ngrants));
  42 _PROTOTYPE( int sys_nice, (endpoint_t proc, int priority));
  43
  44 _PROTOTYPE( int sys_int86, (struct reg86u *reg86p));
  45 _PROTOTYPE( int sys_vm_setbuf, (phys_bytes base, phys_bytes size,
  46                                                         phys_bytes high));
  47 _PROTOTYPE( int sys_vm_map, (endpoint_t proc_nr, int do_map,
  48         phys_bytes base, phys_bytes size, phys_bytes offset));
  49
  50 _PROTOTYPE( int sys_readbios, (phys_bytes address, void *buf, size_t size));
  51
  52 /* Shorthands for sys_sdevio() system call. */
  53 #define sys_insb(port, proc_nr, buffer, count) \
  54   sys_sdevio(DIO_INPUT_BYTE, port, proc_nr, buffer, count, 0)
  55 #define sys_insw(port, proc_nr, buffer, count) \
  56   sys_sdevio(DIO_INPUT_WORD, port, proc_nr, buffer, count, 0)
  57 #define sys_outsb(port, proc_nr, buffer, count) \
  58   sys_sdevio(DIO_OUTPUT_BYTE, port, proc_nr, buffer, count, 0)
  59 #define sys_outsw(port, proc_nr, buffer, count) \
  60   sys_sdevio(DIO_OUTPUT_WORD, port, proc_nr, buffer, count, 0)
  61 #define sys_safe_insb(port, ept, grant, offset, count) \
  62   sys_sdevio(DIO_SAFE_INPUT_BYTE, port, ept, (void*)grant, count, offset)
  63 #define sys_safe_outsb(port, ept, grant, offset, count) \
  64   sys_sdevio(DIO_SAFE_OUTPUT_BYTE, port, ept, (void*)grant, count, offset)
  65 #define sys_safe_insw(port, ept, grant, offset, count) \
  66   sys_sdevio(DIO_SAFE_INPUT_WORD, port, ept, (void*)grant, count, offset)
  67 #define sys_safe_outsw(port, ept, grant, offset, count) \
  68   sys_sdevio(DIO_SAFE_OUTPUT_WORD, port, ept, (void*)grant, count, offset)
  69 _PROTOTYPE( int sys_sdevio, (int req, long port, endpoint_t proc_nr,
  70         void *buffer, int count, vir_bytes offset));
  71
  72 /* Clock functionality: get system times or (un)schedule an alarm call. */
  73 _PROTOTYPE( int sys_times, (endpoint_t proc_nr, clock_t *ptr));
  74 _PROTOTYPE(int sys_setalarm, (clock_t exp_time, int abs_time));
  75
  76 /* Shorthands for sys_irqctl() system call. */
  77 #define sys_irqdisable(hook_id) \
  78     sys_irqctl(IRQ_DISABLE, 0, 0, hook_id)
  79 #define sys_irqenable(hook_id) \
  80     sys_irqctl(IRQ_ENABLE, 0, 0, hook_id)
  81 #define sys_irqsetpolicy(irq_vec, policy, hook_id) \
  82     sys_irqctl(IRQ_SETPOLICY, irq_vec, policy, hook_id)
  83 #define sys_irqrmpolicy(irq_vec, hook_id) \
  84     sys_irqctl(IRQ_RMPOLICY, irq_vec, 0, hook_id)
  85 _PROTOTYPE ( int sys_irqctl, (int request, int irq_vec, int policy,
  86     int *irq_hook_id) );
  87
  88 /* Shorthands for sys_vircopy() and sys_physcopy() system calls. */
  89 #define sys_biosin(bios_vir, dst_vir, bytes) \
  90         sys_vircopy(SELF, BIOS_SEG, bios_vir, SELF, D, dst_vir, bytes)
  91 #define sys_biosout(src_vir, bios_vir, bytes) \
  92         sys_vircopy(SELF, D, src_vir, SELF, BIOS_SEG, bios_vir, bytes)
  93 #define sys_datacopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \
  94         sys_vircopy(src_proc, D, src_vir, dst_proc, D, dst_vir, bytes)
  95 #define sys_textcopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \
  96         sys_vircopy(src_proc, T, src_vir, dst_proc, T, dst_vir, bytes)
  97 #define sys_stackcopy(src_proc, src_vir, dst_proc, dst_vir, bytes) \
  98         sys_vircopy(src_proc, S, src_vir, dst_proc, S, dst_vir, bytes)
  99 _PROTOTYPE(int sys_vircopy, (endpoint_t src_proc, int src_s, vir_bytes src_v,
 100         endpoint_t dst_proc, int dst_seg, vir_bytes dst_vir, phys_bytes bytes));
 101
 102 #define sys_abscopy(src_phys, dst_phys, bytes) \
 103         sys_physcopy(NONE, PHYS_SEG, src_phys, NONE, PHYS_SEG, dst_phys, bytes)
 104 _PROTOTYPE(int sys_physcopy, (endpoint_t src_proc, int src_seg, vir_bytes src_vir,
 105         endpoint_t dst_proc, int dst_seg, vir_bytes dst_vir, phys_bytes bytes));
 106
 107
 108 /* Grant-based copy functions. */
 109 _PROTOTYPE(int sys_safecopyfrom, (endpoint_t source, cp_grant_id_t grant,
 110         vir_bytes grant_offset, vir_bytes my_address, size_t bytes, int my_seg));
 111 _PROTOTYPE(int sys_safecopyto, (endpoint_t dest, cp_grant_id_t grant,
 112         vir_bytes grant_offset, vir_bytes my_address, size_t bytes, int my_seg));
 113 _PROTOTYPE(int sys_vsafecopy, (struct vscp_vec *copyvec, int elements));
 114
 115 _PROTOTYPE(int sys_memset, (unsigned long pattern,
 116                 phys_bytes base, phys_bytes bytes));
 117
 118
 119 /* Vectored virtual / physical copy calls. */
 120 #if DEAD_CODE           /* library part not yet implemented */
 121 _PROTOTYPE(int sys_virvcopy, (phys_cp_req *vec_ptr,int vec_size,int *nr_ok));
 122 _PROTOTYPE(int sys_physvcopy, (phys_cp_req *vec_ptr,int vec_size,int *nr_ok));
 123 #endif
 124
 125 _PROTOTYPE(int sys_umap, (endpoint_t proc_nr, int seg, vir_bytes vir_addr,
 126          vir_bytes bytes, phys_bytes *phys_addr));
 127 _PROTOTYPE(int sys_segctl, (int *index, u16_t *seg, vir_bytes *off,
 128         phys_bytes phys, vir_bytes size));
 129
 130 /* Shorthands for sys_getinfo() system call. */
 131 #define sys_getkmessages(dst)   sys_getinfo(GET_KMESSAGES, dst, 0,0,0)
 132 #define sys_getkinfo(dst)       sys_getinfo(GET_KINFO, dst, 0,0,0)
 133 #define sys_getloadinfo(dst)    sys_getinfo(GET_LOADINFO, dst, 0,0,0)
 134 #define sys_getmachine(dst)     sys_getinfo(GET_MACHINE, dst, 0,0,0)
 135 #define sys_getproctab(dst)     sys_getinfo(GET_PROCTAB, dst, 0,0,0)
 136 #define sys_getprivtab(dst)     sys_getinfo(GET_PRIVTAB, dst, 0,0,0)
 137 #define sys_getproc(dst,nr)     sys_getinfo(GET_PROC, dst, 0,0, nr)
 138 #define sys_getrandomness(dst)  sys_getinfo(GET_RANDOMNESS, dst, 0,0,0)
 139 #define sys_getimage(dst)       sys_getinfo(GET_IMAGE, dst, 0,0,0)
 140 #define sys_getirqhooks(dst)    sys_getinfo(GET_IRQHOOKS, dst, 0,0,0)
 141 #define sys_getirqactids(dst)   sys_getinfo(GET_IRQACTIDS, dst, 0,0,0)
 142 #define sys_getmonparams(v,vl)  sys_getinfo(GET_MONPARAMS, v,vl, 0,0)
 143 #define sys_getschedinfo(v1,v2) sys_getinfo(GET_SCHEDINFO, v1,0, v2,0)
 144 #define sys_getlocktimings(dst) sys_getinfo(GET_LOCKTIMING, dst, 0,0,0)
 145 #define sys_getbiosbuffer(virp, sizep) \
 146         sys_getinfo(GET_BIOSBUFFER, virp, sizeof(*virp), sizep, sizeof(*sizep))
 147 _PROTOTYPE(int sys_getinfo, (int request, void *val_ptr, int val_len,
 148                                  void *val_ptr2, int val_len2)          );
 149
 150 /* Signal control. */
 151 _PROTOTYPE(int sys_kill, (endpoint_t proc, int sig) );
 152 _PROTOTYPE(int sys_sigsend, (endpoint_t proc_nr, struct sigmsg *sig_ctxt) );
 153 _PROTOTYPE(int sys_sigreturn, (endpoint_t proc_nr, struct sigmsg *sig_ctxt) );
 154 _PROTOTYPE(int sys_getksig, (endpoint_t *k_proc_nr, sigset_t *k_sig_map) );
 155 _PROTOTYPE(int sys_endksig, (endpoint_t proc_nr) );
 156
 157 /* NOTE: two different approaches were used to distinguish the device I/O
 158  * types 'byte', 'word', 'long': the latter uses #define and results in a
 159  * smaller implementation, but looses the static type checking.
 160  */
 161 _PROTOTYPE(int sys_voutb, (pvb_pair_t *pvb_pairs, int nr_ports)         );
 162 _PROTOTYPE(int sys_voutw, (pvw_pair_t *pvw_pairs, int nr_ports)         );
 163 _PROTOTYPE(int sys_voutl, (pvl_pair_t *pvl_pairs, int nr_ports)         );
 164 _PROTOTYPE(int sys_vinb, (pvb_pair_t *pvb_pairs, int nr_ports)          );
 165 _PROTOTYPE(int sys_vinw, (pvw_pair_t *pvw_pairs, int nr_ports)          );
 166 _PROTOTYPE(int sys_vinl, (pvl_pair_t *pvl_pairs, int nr_ports)          );
 167
 168 /* Shorthands for sys_out() system call. */
 169 #define sys_outb(p,v)   sys_out((p), (unsigned long) (v), _DIO_BYTE)
 170 #define sys_outw(p,v)   sys_out((p), (unsigned long) (v), _DIO_WORD)
 171 #define sys_outl(p,v)   sys_out((p), (unsigned long) (v), _DIO_LONG)
 172 _PROTOTYPE(int sys_out, (int port, unsigned long value, int type)       );
 173
 174 /* Shorthands for sys_in() system call. */
 175 #define sys_inb(p,v)    sys_in((p), (v), _DIO_BYTE)
 176 #define sys_inw(p,v)    sys_in((p), (v), _DIO_WORD)
 177 #define sys_inl(p,v)    sys_in((p), (v), _DIO_LONG)
 178 _PROTOTYPE(int sys_in, (int port, unsigned long *value, int type)       );
 179
 180 /* pci.c */
 181 _PROTOTYPE( void pci_init, (void)                                       );
 182 _PROTOTYPE( void pci_init1, (char *name)                                );
 183 _PROTOTYPE( int pci_first_dev, (int *devindp, u16_t *vidp, u16_t *didp) );
 184 _PROTOTYPE( int pci_next_dev, (int *devindp, u16_t *vidp, u16_t *didp)  );
 185 _PROTOTYPE( int pci_find_dev, (U8_t bus, U8_t dev, U8_t func,
 186                                                         int *devindp)   );
 187 _PROTOTYPE( void pci_reserve, (int devind)                              );
 188 _PROTOTYPE( int pci_reserve_ok, (int devind)                            );
 189 _PROTOTYPE( void pci_ids, (int devind, u16_t *vidp, u16_t *didp)        );
 190 _PROTOTYPE( void pci_rescan_bus, (U8_t busnr)                           );
 191 _PROTOTYPE( u8_t pci_attr_r8, (int devind, int port)                    );
 192 _PROTOTYPE( u16_t pci_attr_r16, (int devind, int port)                  );
 193 _PROTOTYPE( u32_t pci_attr_r32, (int devind, int port)                  );
 194 _PROTOTYPE( void pci_attr_w8, (int devind, int port, U8_t value)        );
 195 _PROTOTYPE( void pci_attr_w16, (int devind, int port, U16_t value)      );
 196 _PROTOTYPE( void pci_attr_w32, (int devind, int port, u32_t value)      );
 197 _PROTOTYPE( char *pci_dev_name, (U16_t vid, U16_t did)                  );
 198 _PROTOTYPE( char *pci_slot_name, (int devind)                           );
 199 _PROTOTYPE( int pci_set_acl, (struct rs_pci *rs_pci)                    );
 200
 201 /* Profiling. */
 202 _PROTOTYPE( int sys_sprof, (int action, int size, int freq, int endpt,
 203                                        void *ctl_ptr, void *mem_ptr)   );
 204 _PROTOTYPE( int sys_cprof, (int action, int size, int endpt,
 205                                        void *ctl_ptr, void *mem_ptr)   );
 206 _PROTOTYPE( int sys_profbuf, (void *ctl_ptr, void *mem_ptr)            );
 207
 208
 209 #endif /* _SYSLIB_H */
 210