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 <minix/types.h>
   8 #endif
   9
  10 #ifndef _IPC_H
  11 #include <minix/ipc.h>
  12 #endif
  13
  14 #include <minix/u64.h>
  15
  16 #ifndef _DEVIO_H
  17 #include <minix/devio.h>
  18 #endif
  19
  20 #include <minix/safecopies.h>
  21 #include <minix/sef.h>
  22 #include <machine/mcontext.h>
  23
  24 /* Forward declaration */
  25 struct reg86u;
  26 struct rs_pci;
  27
  28 #define SYSTASK SYSTEM
  29
  30 /*==========================================================================*
  31  * Minix system library.                                                    *
  32  *==========================================================================*/
  33 int _taskcall(endpoint_t who, int syscallnr, message *msgptr);
  34 int _kernel_call(int syscallnr, message *msgptr);
  35
  36 int sys_abort(int how, ...);
  37 int sys_enable_iop(endpoint_t proc_ep);
  38 int sys_exec(endpoint_t proc_ep, char *ptr, char *aout, vir_bytes
  39         initpc);
  40 int sys_fork(endpoint_t parent, endpoint_t child, endpoint_t *,
  41         u32_t vm, vir_bytes *);
  42 int sys_clear(endpoint_t proc_ep);
  43 int sys_exit(void);
  44 int sys_trace(int req, endpoint_t proc_ep, long addr, long *data_p);
  45
  46 int sys_schedule(endpoint_t proc_ep, int priority, int quantum, int
  47         cpu);
  48 int sys_schedctl(unsigned flags, endpoint_t proc_ep, int priority, int
  49         quantum, int cpu);
  50
  51 /* Shorthands for sys_runctl() system call. */
  52 #define sys_stop(proc_ep) sys_runctl(proc_ep, RC_STOP, 0)
  53 #define sys_delay_stop(proc_ep) sys_runctl(proc_ep, RC_STOP, RC_DELAY)
  54 #define sys_resume(proc_ep) sys_runctl(proc_ep, RC_RESUME, 0)
  55 int sys_runctl(endpoint_t proc_ep, int action, int flags);
  56
  57 int sys_update(endpoint_t src_ep, endpoint_t dst_ep);
  58 int sys_statectl(int request);
  59 int sys_privctl(endpoint_t proc_ep, int req, void *p);
  60 int sys_privquery_mem(endpoint_t proc_ep, phys_bytes physstart,
  61         phys_bytes physlen);
  62 int sys_setgrant(cp_grant_t *grants, int ngrants);
  63
  64 int sys_int86(struct reg86u *reg86p);
  65 int sys_vm_setbuf(phys_bytes base, phys_bytes size, phys_bytes high);
  66 int sys_vm_map(endpoint_t proc_ep, int do_map, phys_bytes base,
  67         phys_bytes size, phys_bytes offset);
  68 int sys_vmctl(endpoint_t who, int param, u32_t value);
  69 int sys_vmctl_get_pdbr(endpoint_t who, u32_t *pdbr);
  70 int sys_vmctl_get_memreq(endpoint_t *who, vir_bytes *mem, vir_bytes
  71         *len, int *wrflag, endpoint_t *who_s, vir_bytes *mem_s, endpoint_t *);
  72 int sys_vmctl_enable_paging(void * data);
  73
  74 int sys_readbios(phys_bytes address, void *buf, size_t size);
  75 int sys_stime(time_t boottime);
  76 int sys_sysctl(int ctl, char *arg1, int arg2);
  77 int sys_sysctl_stacktrace(endpoint_t who);
  78 int sys_vmctl_get_mapping(int index, phys_bytes *addr, phys_bytes *len,
  79         int *flags);
  80 int sys_vmctl_reply_mapping(int index, vir_bytes addr);
  81 int sys_vmctl_set_addrspace(endpoint_t who, phys_bytes ptroot, void
  82         *ptroot_v);
  83
  84
  85 /* Shorthands for sys_sdevio() system call. */
  86 #define sys_insb(port, proc_ep, buffer, count) \
  87   sys_sdevio(DIO_INPUT_BYTE, port, proc_ep, buffer, count, 0)
  88 #define sys_insw(port, proc_ep, buffer, count) \
  89   sys_sdevio(DIO_INPUT_WORD, port, proc_ep, buffer, count, 0)
  90 #define sys_outsb(port, proc_ep, buffer, count) \
  91   sys_sdevio(DIO_OUTPUT_BYTE, port, proc_ep, buffer, count, 0)
  92 #define sys_outsw(port, proc_ep, buffer, count) \
  93   sys_sdevio(DIO_OUTPUT_WORD, port, proc_ep, buffer, count, 0)
  94 #define sys_safe_insb(port, ept, grant, offset, count) \
  95   sys_sdevio(DIO_SAFE_INPUT_BYTE, port, ept, (void*)grant, count, offset)
  96 #define sys_safe_outsb(port, ept, grant, offset, count) \
  97   sys_sdevio(DIO_SAFE_OUTPUT_BYTE, port, ept, (void*)grant, count, offset)
  98 #define sys_safe_insw(port, ept, grant, offset, count) \
  99   sys_sdevio(DIO_SAFE_INPUT_WORD, port, ept, (void*)grant, count, offset)
 100 #define sys_safe_outsw(port, ept, grant, offset, count) \
 101   sys_sdevio(DIO_SAFE_OUTPUT_WORD, port, ept, (void*)grant, count, offset)
 102 int sys_sdevio(int req, long port, endpoint_t proc_ep, void *buffer, int
 103         count, vir_bytes offset);
 104 void *alloc_contig(size_t len, int flags, phys_bytes *phys);
 105 int free_contig(void *addr, size_t len);
 106
 107 #define AC_ALIGN4K      0x01
 108 #define AC_LOWER16M     0x02
 109 #define AC_ALIGN64K     0x04
 110 #define AC_LOWER1M      0x08
 111
 112 /* Clock functionality: get system times, (un)schedule an alarm call, or
 113  * retrieve/set a process-virtual timer.
 114  */
 115 int sys_times(endpoint_t proc_ep, clock_t *user_time, clock_t *sys_time,
 116         clock_t *uptime, time_t *boottime);
 117 int sys_setalarm(clock_t exp_time, int abs_time);
 118 int sys_vtimer(endpoint_t proc_nr, int which, clock_t *newval, clock_t
 119         *oldval);
 120
 121 /* Shorthands for sys_irqctl() system call. */
 122 #define sys_irqdisable(hook_id) \
 123     sys_irqctl(IRQ_DISABLE, 0, 0, hook_id)
 124 #define sys_irqenable(hook_id) \
 125     sys_irqctl(IRQ_ENABLE, 0, 0, hook_id)
 126 #define sys_irqsetpolicy(irq_vec, policy, hook_id) \
 127     sys_irqctl(IRQ_SETPOLICY, irq_vec, policy, hook_id)
 128 #define sys_irqrmpolicy(hook_id) \
 129     sys_irqctl(IRQ_RMPOLICY, 0, 0, hook_id)
 130 int sys_irqctl(int request, int irq_vec, int policy, int *irq_hook_id);
 131
 132 /* Shorthands for sys_vircopy() and sys_physcopy() system calls. */
 133 #define sys_datacopy sys_vircopy
 134 int sys_vircopy(endpoint_t src_proc, vir_bytes src_v,
 135         endpoint_t dst_proc, vir_bytes dst_vir, phys_bytes bytes);
 136
 137 #define sys_abscopy(src_phys, dst_phys, bytes) \
 138         sys_physcopy(NONE, src_phys, NONE, dst_phys, bytes)
 139 int sys_physcopy(endpoint_t src_proc, vir_bytes src_vir,
 140         endpoint_t dst_proc, vir_bytes dst_vir, phys_bytes bytes);
 141
 142
 143 /* Grant-based copy functions. */
 144 int sys_safecopyfrom(endpoint_t source, cp_grant_id_t grant, vir_bytes
 145         grant_offset, vir_bytes my_address, size_t bytes);
 146 int sys_safecopyto(endpoint_t dest, cp_grant_id_t grant, vir_bytes
 147         grant_offset, vir_bytes my_address, size_t bytes);
 148 int sys_vsafecopy(struct vscp_vec *copyvec, int elements);
 149
 150 int sys_safememset(endpoint_t source, cp_grant_id_t grant, vir_bytes
 151         grant_offset, int pattern, size_t bytes);
 152
 153 int sys_memset(endpoint_t who, unsigned long pattern,
 154         phys_bytes base, phys_bytes bytes);
 155
 156 int sys_vumap(endpoint_t endpt, struct vumap_vir *vvec,
 157         int vcount, size_t offset, int access, struct vumap_phys *pvec,
 158         int *pcount);
 159 int sys_umap(endpoint_t proc_ep, int seg, vir_bytes vir_addr, vir_bytes
 160         bytes, phys_bytes *phys_addr);
 161 int sys_umap_data_fb(endpoint_t proc_ep, vir_bytes vir_addr, vir_bytes
 162         bytes, phys_bytes *phys_addr);
 163 int sys_umap_remote(endpoint_t proc_ep, endpoint_t grantee, int seg,
 164         vir_bytes vir_addr, vir_bytes bytes, phys_bytes *phys_addr);
 165
 166 /* Shorthands for sys_getinfo() system call. */
 167 #define sys_getkinfo(dst)       sys_getinfo(GET_KINFO, dst, 0,0,0)
 168 #define sys_getloadinfo(dst)    sys_getinfo(GET_LOADINFO, dst, 0,0,0)
 169 #define sys_getmachine(dst)     sys_getinfo(GET_MACHINE, dst, 0,0,0)
 170 #define sys_getcpuinfo(dst)     sys_getinfo(GET_CPUINFO, dst, 0,0,0)
 171 #define sys_getproctab(dst)     sys_getinfo(GET_PROCTAB, dst, 0,0,0)
 172 #define sys_getprivtab(dst)     sys_getinfo(GET_PRIVTAB, dst, 0,0,0)
 173 #define sys_getproc(dst,nr)     sys_getinfo(GET_PROC, dst, 0,0, nr)
 174 #define sys_getrandomness(dst)  sys_getinfo(GET_RANDOMNESS, dst, 0,0,0)
 175 #define sys_getrandom_bin(d,b)  sys_getinfo(GET_RANDOMNESS_BIN, d, 0,0,b)
 176 #define sys_getimage(dst)       sys_getinfo(GET_IMAGE, dst, 0,0,0)
 177 #define sys_getirqhooks(dst)    sys_getinfo(GET_IRQHOOKS, dst, 0,0,0)
 178 #define sys_getirqactids(dst)   sys_getinfo(GET_IRQACTIDS, dst, 0,0,0)
 179 #define sys_getmonparams(v,vl)  sys_getinfo(GET_MONPARAMS, v,vl, 0,0)
 180 #define sys_getschedinfo(v1,v2) sys_getinfo(GET_SCHEDINFO, v1,0, v2,0)
 181 #define sys_getpriv(dst, nr)    sys_getinfo(GET_PRIV, dst, 0,0, nr)
 182 #define sys_getidletsc(dst)     sys_getinfo(GET_IDLETSC, dst, 0,0,0)
 183 #define sys_getregs(dst,nr)     sys_getinfo(GET_REGS, dst, 0,0, nr)
 184 int sys_getinfo(int request, void *val_ptr, int val_len, void *val_ptr2,
 185         int val_len2);
 186 int sys_whoami(endpoint_t *ep, char *name, int namelen, int
 187         *priv_flags);
 188
 189 /* Signal control. */
 190 int sys_kill(endpoint_t proc_ep, int sig);
 191 int sys_sigsend(endpoint_t proc_ep, struct sigmsg *sig_ctxt);
 192 int sys_sigreturn(endpoint_t proc_ep, struct sigmsg *sig_ctxt);
 193 int sys_getksig(endpoint_t *proc_ep, sigset_t *k_sig_map);
 194 int sys_endksig(endpoint_t proc_ep);
 195
 196 /* NOTE: two different approaches were used to distinguish the device I/O
 197  * types 'byte', 'word', 'long': the latter uses #define and results in a
 198  * smaller implementation, but looses the static type checking.
 199  */
 200 int sys_voutb(pvb_pair_t *pvb_pairs, int nr_ports);
 201 int sys_voutw(pvw_pair_t *pvw_pairs, int nr_ports);
 202 int sys_voutl(pvl_pair_t *pvl_pairs, int nr_ports);
 203 int sys_vinb(pvb_pair_t *pvb_pairs, int nr_ports);
 204 int sys_vinw(pvw_pair_t *pvw_pairs, int nr_ports);
 205 int sys_vinl(pvl_pair_t *pvl_pairs, int nr_ports);
 206
 207 /* Shorthands for sys_out() system call. */
 208 #define sys_outb(p,v)   sys_out((p), (u32_t) (v), _DIO_BYTE)
 209 #define sys_outw(p,v)   sys_out((p), (u32_t) (v), _DIO_WORD)
 210 #define sys_outl(p,v)   sys_out((p), (u32_t) (v), _DIO_LONG)
 211 int sys_out(int port, u32_t value, int type);
 212
 213 /* Shorthands for sys_in() system call. */
 214 #define sys_inb(p,v)    sys_in((p), (v), _DIO_BYTE)
 215 #define sys_inw(p,v)    sys_in((p), (v), _DIO_WORD)
 216 #define sys_inl(p,v)    sys_in((p), (v), _DIO_LONG)
 217 int sys_in(int port, u32_t *value, int type);
 218
 219 /* pci.c */
 220 void pci_init(void);
 221 int pci_first_dev(int *devindp, u16_t *vidp, u16_t *didp);
 222 int pci_next_dev(int *devindp, u16_t *vidp, u16_t *didp);
 223 int pci_find_dev(u8_t bus, u8_t dev, u8_t func, int *devindp);
 224 void pci_reserve(int devind);
 225 int pci_reserve_ok(int devind);
 226 void pci_ids(int devind, u16_t *vidp, u16_t *didp);
 227 void pci_rescan_bus(u8_t busnr);
 228 u8_t pci_attr_r8(int devind, int port);
 229 u16_t pci_attr_r16(int devind, int port);
 230 u32_t pci_attr_r32(int devind, int port);
 231 void pci_attr_w8(int devind, int port, u8_t value);
 232 void pci_attr_w16(int devind, int port, u16_t value);
 233 void pci_attr_w32(int devind, int port, u32_t value);
 234 char *pci_dev_name(u16_t vid, u16_t did);
 235 char *pci_slot_name(int devind);
 236 int pci_set_acl(struct rs_pci *rs_pci);
 237 int pci_del_acl(endpoint_t proc_ep);
 238 int pci_get_bar(int devind, int port, u32_t *base, u32_t *size, int
 239         *ioflag);
 240
 241 /* Profiling. */
 242 int sys_sprof(int action, int size, int freq, int type, endpoint_t
 243         endpt, void *ctl_ptr, void *mem_ptr);
 244 int sys_cprof(int action, int size, endpoint_t endpt, void *ctl_ptr,
 245         void *mem_ptr);
 246 int sys_profbuf(void *ctl_ptr, void *mem_ptr);
 247
 248 /* machine context */
 249 int sys_getmcontext(endpoint_t proc, mcontext_t *mcp);
 250 int sys_setmcontext(endpoint_t proc, mcontext_t *mcp);
 251
 252 /* input */
 253 int tty_input_inject(int type, int code, int val);
 254
 255 #endif /* _SYSLIB_H */
 256