include/minix/syslib.h

   1 /* Prototypes for system library functions. */
   2
   3 #ifndef _SYSLIB_H
   4 #define _SYSLIB_H
   5
   6 #include <sys/types.h>
   7 #include <sys/sigtypes.h>
   8
   9 #include <minix/ipc.h>
  10 #include <minix/u64.h>
  11 #include <minix/devio.h>
  12
  13 #include <minix/safecopies.h>
  14 #include <minix/sef.h>
  15 #include <machine/mcontext.h>
  16
  17 /* Forward declaration */
  18 struct reg86u;
  19 struct rs_pci;
  20
  21 #define SYSTASK SYSTEM
  22
  23 /*==========================================================================*
  24  * Minix system library.                                                    *
  25  *==========================================================================*/
  26 int _taskcall(endpoint_t who, int syscallnr, message *msgptr);
  27 int _kernel_call(int syscallnr, message *msgptr);
  28
  29 int sys_abort(int how);
  30 int sys_enable_iop(endpoint_t proc_ep);
  31 int sys_exec(endpoint_t proc_ep, char *ptr, char *aout, vir_bytes
  32         initpc);
  33 int sys_fork(endpoint_t parent, endpoint_t child, endpoint_t *,
  34         u32_t vm, vir_bytes *);
  35 int sys_clear(endpoint_t proc_ep);
  36 int sys_exit(void);
  37 int sys_trace(int req, endpoint_t proc_ep, long addr, long *data_p);
  38
  39 int sys_schedule(endpoint_t proc_ep, int priority, int quantum, int
  40         cpu);
  41 int sys_schedctl(unsigned flags, endpoint_t proc_ep, int priority, int
  42         quantum, int cpu);
  43
  44 /* Shorthands for sys_runctl() system call. */
  45 #define sys_stop(proc_ep) sys_runctl(proc_ep, RC_STOP, 0)
  46 #define sys_delay_stop(proc_ep) sys_runctl(proc_ep, RC_STOP, RC_DELAY)
  47 #define sys_resume(proc_ep) sys_runctl(proc_ep, RC_RESUME, 0)
  48 int sys_runctl(endpoint_t proc_ep, int action, int flags);
  49
  50 int sys_update(endpoint_t src_ep, endpoint_t dst_ep);
  51 int sys_statectl(int request);
  52 int sys_privctl(endpoint_t proc_ep, int req, void *p);
  53 int sys_privquery_mem(endpoint_t proc_ep, phys_bytes physstart,
  54         phys_bytes physlen);
  55 int sys_setgrant(cp_grant_t *grants, int ngrants);
  56
  57 int sys_int86(struct reg86u *reg86p);
  58 int sys_vm_setbuf(phys_bytes base, phys_bytes size, phys_bytes high);
  59 int sys_vm_map(endpoint_t proc_ep, int do_map, phys_bytes base,
  60         phys_bytes size, phys_bytes offset);
  61 int sys_vmctl(endpoint_t who, int param, u32_t value);
  62 int sys_vmctl_get_pdbr(endpoint_t who, u32_t *pdbr);
  63 int sys_vmctl_get_memreq(endpoint_t *who, vir_bytes *mem, vir_bytes
  64         *len, int *wrflag, endpoint_t *who_s, vir_bytes *mem_s, endpoint_t *);
  65 int sys_vmctl_enable_paging(void * data);
  66
  67 int sys_readbios(phys_bytes address, void *buf, size_t size);
  68 int sys_stime(time_t boottime);
  69 int sys_sysctl(int ctl, char *arg1, int arg2);
  70 int sys_sysctl_stacktrace(endpoint_t who);
  71 int sys_vmctl_get_mapping(int index, phys_bytes *addr, phys_bytes *len,
  72         int *flags);
  73 int sys_vmctl_reply_mapping(int index, vir_bytes addr);
  74 int sys_vmctl_set_addrspace(endpoint_t who, phys_bytes ptroot, void
  75         *ptroot_v);
  76
  77
  78 /* Shorthands for sys_sdevio() system call. */
  79 #define sys_insb(port, proc_ep, buffer, count) \
  80   sys_sdevio(DIO_INPUT_BYTE, port, proc_ep, buffer, count, 0)
  81 #define sys_insw(port, proc_ep, buffer, count) \
  82   sys_sdevio(DIO_INPUT_WORD, port, proc_ep, buffer, count, 0)
  83 #define sys_outsb(port, proc_ep, buffer, count) \
  84   sys_sdevio(DIO_OUTPUT_BYTE, port, proc_ep, buffer, count, 0)
  85 #define sys_outsw(port, proc_ep, buffer, count) \
  86   sys_sdevio(DIO_OUTPUT_WORD, port, proc_ep, buffer, count, 0)
  87 #define sys_safe_insb(port, ept, grant, offset, count) \
  88   sys_sdevio(DIO_SAFE_INPUT_BYTE, port, ept, (void*)grant, count, offset)
  89 #define sys_safe_outsb(port, ept, grant, offset, count) \
  90   sys_sdevio(DIO_SAFE_OUTPUT_BYTE, port, ept, (void*)grant, count, offset)
  91 #define sys_safe_insw(port, ept, grant, offset, count) \
  92   sys_sdevio(DIO_SAFE_INPUT_WORD, port, ept, (void*)grant, count, offset)
  93 #define sys_safe_outsw(port, ept, grant, offset, count) \
  94   sys_sdevio(DIO_SAFE_OUTPUT_WORD, port, ept, (void*)grant, count, offset)
  95 int sys_sdevio(int req, long port, endpoint_t proc_ep, void *buffer, int
  96         count, vir_bytes offset);
  97 void *alloc_contig(size_t len, int flags, phys_bytes *phys);
  98 int free_contig(void *addr, size_t len);
  99
 100 #define AC_ALIGN4K      0x01
 101 #define AC_LOWER16M     0x02
 102 #define AC_ALIGN64K     0x04
 103 #define AC_LOWER1M      0x08
 104
 105 /* Clock functionality: get system times, (un)schedule an alarm call, or
 106  * retrieve/set a process-virtual timer.
 107  */
 108 int sys_times(endpoint_t proc_ep, clock_t *user_time, clock_t *sys_time,
 109         clock_t *uptime, time_t *boottime);
 110 int sys_setalarm(clock_t exp_time, int abs_time);
 111 int sys_vtimer(endpoint_t proc_nr, int which, clock_t *newval, clock_t
 112         *oldval);
 113
 114 /* Shorthands for sys_irqctl() system call. */
 115 #define sys_irqdisable(hook_id) \
 116     sys_irqctl(IRQ_DISABLE, 0, 0, hook_id)
 117 #define sys_irqenable(hook_id) \
 118     sys_irqctl(IRQ_ENABLE, 0, 0, hook_id)
 119 #define sys_irqsetpolicy(irq_vec, policy, hook_id) \
 120     sys_irqctl(IRQ_SETPOLICY, irq_vec, policy, hook_id)
 121 #define sys_irqrmpolicy(hook_id) \
 122     sys_irqctl(IRQ_RMPOLICY, 0, 0, hook_id)
 123 int sys_irqctl(int request, int irq_vec, int policy, int *irq_hook_id);
 124
 125 /* Shorthands for sys_vircopy() and sys_physcopy() system calls. */
 126 #define sys_datacopy sys_vircopy
 127 int sys_vircopy(endpoint_t src_proc, vir_bytes src_v,
 128         endpoint_t dst_proc, vir_bytes dst_vir, phys_bytes bytes);
 129
 130 #define sys_abscopy(src_phys, dst_phys, bytes) \
 131         sys_physcopy(NONE, src_phys, NONE, dst_phys, bytes)
 132 int sys_physcopy(endpoint_t src_proc, vir_bytes src_vir,
 133         endpoint_t dst_proc, vir_bytes dst_vir, phys_bytes bytes);
 134
 135
 136 /* Grant-based copy functions. */
 137 int sys_safecopyfrom(endpoint_t source, cp_grant_id_t grant, vir_bytes
 138         grant_offset, vir_bytes my_address, size_t bytes);
 139 int sys_safecopyto(endpoint_t dest, cp_grant_id_t grant, vir_bytes
 140         grant_offset, vir_bytes my_address, size_t bytes);
 141 int sys_vsafecopy(struct vscp_vec *copyvec, int elements);
 142
 143 int sys_safememset(endpoint_t source, cp_grant_id_t grant, vir_bytes
 144         grant_offset, int pattern, size_t bytes);
 145
 146 int sys_memset(endpoint_t who, unsigned long pattern,
 147         phys_bytes base, phys_bytes bytes);
 148
 149 int sys_vumap(endpoint_t endpt, struct vumap_vir *vvec,
 150         int vcount, size_t offset, int access, struct vumap_phys *pvec,
 151         int *pcount);
 152 int sys_umap(endpoint_t proc_ep, int seg, vir_bytes vir_addr, vir_bytes
 153         bytes, phys_bytes *phys_addr);
 154 int sys_umap_data_fb(endpoint_t proc_ep, vir_bytes vir_addr, vir_bytes
 155         bytes, phys_bytes *phys_addr);
 156 int sys_umap_remote(endpoint_t proc_ep, endpoint_t grantee, int seg,
 157         vir_bytes vir_addr, vir_bytes bytes, phys_bytes *phys_addr);
 158
 159 /* Shorthands for sys_getinfo() system call. */
 160 #define sys_getkinfo(dst)       sys_getinfo(GET_KINFO, dst, 0,0,0)
 161 #define sys_getloadinfo(dst)    sys_getinfo(GET_LOADINFO, dst, 0,0,0)
 162 #define sys_getmachine(dst)     sys_getinfo(GET_MACHINE, dst, 0,0,0)
 163 #define sys_getcpuinfo(dst)     sys_getinfo(GET_CPUINFO, dst, 0,0,0)
 164 #define sys_getproctab(dst)     sys_getinfo(GET_PROCTAB, dst, 0,0,0)
 165 #define sys_getprivtab(dst)     sys_getinfo(GET_PRIVTAB, dst, 0,0,0)
 166 #define sys_getproc(dst,nr)     sys_getinfo(GET_PROC, dst, 0,0, nr)
 167 #define sys_getrandomness(dst)  sys_getinfo(GET_RANDOMNESS, dst, 0,0,0)
 168 #define sys_getrandom_bin(d,b)  sys_getinfo(GET_RANDOMNESS_BIN, d, 0,0,b)
 169 #define sys_getimage(dst)       sys_getinfo(GET_IMAGE, dst, 0,0,0)
 170 #define sys_getirqhooks(dst)    sys_getinfo(GET_IRQHOOKS, dst, 0,0,0)
 171 #define sys_getirqactids(dst)   sys_getinfo(GET_IRQACTIDS, dst, 0,0,0)
 172 #define sys_getmonparams(v,vl)  sys_getinfo(GET_MONPARAMS, v,vl, 0,0)
 173 #define sys_getschedinfo(v1,v2) sys_getinfo(GET_SCHEDINFO, v1,0, v2,0)
 174 #define sys_getpriv(dst, nr)    sys_getinfo(GET_PRIV, dst, 0,0, nr)
 175 #define sys_getidletsc(dst)     sys_getinfo(GET_IDLETSC, dst, 0,0,0)
 176 #define sys_getregs(dst,nr)     sys_getinfo(GET_REGS, dst, 0,0, nr)
 177 int sys_getinfo(int request, void *val_ptr, int val_len, void *val_ptr2,
 178         int val_len2);
 179 int sys_whoami(endpoint_t *ep, char *name, int namelen, int
 180         *priv_flags);
 181
 182 /* Signal control. */
 183 int sys_kill(endpoint_t proc_ep, int sig);
 184 int sys_sigsend(endpoint_t proc_ep, struct sigmsg *sig_ctxt);
 185 int sys_sigreturn(endpoint_t proc_ep, struct sigmsg *sig_ctxt);
 186 int sys_getksig(endpoint_t *proc_ep, sigset_t *k_sig_map);
 187 int sys_endksig(endpoint_t proc_ep);
 188
 189 /* NOTE: two different approaches were used to distinguish the device I/O
 190  * types 'byte', 'word', 'long': the latter uses #define and results in a
 191  * smaller implementation, but looses the static type checking.
 192  */
 193 int sys_voutb(pvb_pair_t *pvb_pairs, int nr_ports);
 194 int sys_voutw(pvw_pair_t *pvw_pairs, int nr_ports);
 195 int sys_voutl(pvl_pair_t *pvl_pairs, int nr_ports);
 196 int sys_vinb(pvb_pair_t *pvb_pairs, int nr_ports);
 197 int sys_vinw(pvw_pair_t *pvw_pairs, int nr_ports);
 198 int sys_vinl(pvl_pair_t *pvl_pairs, int nr_ports);
 199
 200 /* Shorthands for sys_out() system call. */
 201 #define sys_outb(p,v)   sys_out((p), (u32_t) (v), _DIO_BYTE)
 202 #define sys_outw(p,v)   sys_out((p), (u32_t) (v), _DIO_WORD)
 203 #define sys_outl(p,v)   sys_out((p), (u32_t) (v), _DIO_LONG)
 204 int sys_out(int port, u32_t value, int type);
 205
 206 /* Shorthands for sys_in() system call. */
 207 #define sys_inb(p,v)    sys_in((p), (v), _DIO_BYTE)
 208 #define sys_inw(p,v)    sys_in((p), (v), _DIO_WORD)
 209 #define sys_inl(p,v)    sys_in((p), (v), _DIO_LONG)
 210 int sys_in(int port, u32_t *value, int type);
 211
 212 /* pci.c */
 213 void pci_init(void);
 214 int pci_first_dev(int *devindp, u16_t *vidp, u16_t *didp);
 215 int pci_next_dev(int *devindp, u16_t *vidp, u16_t *didp);
 216 int pci_find_dev(u8_t bus, u8_t dev, u8_t func, int *devindp);
 217 void pci_reserve(int devind);
 218 int pci_reserve_ok(int devind);
 219 void pci_ids(int devind, u16_t *vidp, u16_t *didp);
 220 void pci_rescan_bus(u8_t busnr);
 221 u8_t pci_attr_r8(int devind, int port);
 222 u16_t pci_attr_r16(int devind, int port);
 223 u32_t pci_attr_r32(int devind, int port);
 224 void pci_attr_w8(int devind, int port, u8_t value);
 225 void pci_attr_w16(int devind, int port, u16_t value);
 226 void pci_attr_w32(int devind, int port, u32_t value);
 227 char *pci_dev_name(u16_t vid, u16_t did);
 228 char *pci_slot_name(int devind);
 229 int pci_set_acl(struct rs_pci *rs_pci);
 230 int pci_del_acl(endpoint_t proc_ep);
 231 int pci_get_bar(int devind, int port, u32_t *base, u32_t *size, int
 232         *ioflag);
 233
 234 /* Profiling. */
 235 int sys_sprof(int action, int size, int freq, int type, endpoint_t
 236         endpt, void *ctl_ptr, void *mem_ptr);
 237 int sys_cprof(int action, int size, endpoint_t endpt, void *ctl_ptr,
 238         void *mem_ptr);
 239 int sys_profbuf(void *ctl_ptr, void *mem_ptr);
 240
 241 /* machine context */
 242 int sys_getmcontext(endpoint_t proc, mcontext_t *mcp);
 243 int sys_setmcontext(endpoint_t proc, mcontext_t *mcp);
 244
 245 /* input */
 246 int tty_input_inject(int type, int code, int val);
 247
 248 #endif /* _SYSLIB_H */
 249