/* Prototypes for system library functions. */ #ifndef _SYSLIB_H #define _SYSLIB_H #include #include #include #include #include #include #include #include /* Forward declaration */ struct reg86u; struct rs_pci; struct rusage; #define SYSTASK SYSTEM /*==========================================================================* * Minix system library. * *==========================================================================*/ int _taskcall(endpoint_t who, int syscallnr, message *msgptr); int _kernel_call(int syscallnr, message *msgptr); int sys_abort(int how); int sys_enable_iop(endpoint_t proc_ep); int sys_exec(endpoint_t proc_ep, vir_bytes stack_ptr, vir_bytes progname, vir_bytes pc, vir_bytes ps_str); int sys_fork(endpoint_t parent, endpoint_t child, endpoint_t *, u32_t vm, vir_bytes *); int sys_clear(endpoint_t proc_ep); int sys_exit(void); int sys_trace(int req, endpoint_t proc_ep, long addr, long *data_p); int sys_schedule(endpoint_t proc_ep, int priority, int quantum, int cpu); int sys_schedctl(unsigned flags, endpoint_t proc_ep, int priority, int quantum, int cpu); /* Shorthands for sys_runctl() system call. */ #define sys_stop(proc_ep) sys_runctl(proc_ep, RC_STOP, 0) #define sys_delay_stop(proc_ep) sys_runctl(proc_ep, RC_STOP, RC_DELAY) #define sys_resume(proc_ep) sys_runctl(proc_ep, RC_RESUME, 0) int sys_runctl(endpoint_t proc_ep, int action, int flags); int sys_update(endpoint_t src_ep, endpoint_t dst_ep, int flags); int sys_statectl(int request, void* address, int length); int sys_privctl(endpoint_t proc_ep, int req, void *p); int sys_privquery_mem(endpoint_t proc_ep, phys_bytes physstart, phys_bytes physlen); int sys_setgrant(cp_grant_t *grants, int ngrants); int sys_int86(struct reg86u *reg86p); int sys_vm_setbuf(phys_bytes base, phys_bytes size, phys_bytes high); int sys_vm_map(endpoint_t proc_ep, int do_map, phys_bytes base, phys_bytes size, phys_bytes offset); int sys_vmctl(endpoint_t who, int param, u32_t value); int sys_vmctl_get_pdbr(endpoint_t who, u32_t *pdbr); int sys_vmctl_get_memreq(endpoint_t *who, vir_bytes *mem, vir_bytes *len, int *wrflag, endpoint_t *who_s, vir_bytes *mem_s, endpoint_t *); int sys_vmctl_enable_paging(void * data); int sys_readbios(phys_bytes address, void *buf, size_t size); int sys_settime(int now, clockid_t clk_id, time_t sec, long nsec); int sys_stime(time_t boottime); int sys_vmctl_get_mapping(int index, phys_bytes *addr, phys_bytes *len, int *flags); int sys_vmctl_reply_mapping(int index, vir_bytes addr); int sys_vmctl_set_addrspace(endpoint_t who, phys_bytes ptroot, void *ptroot_v); /* Shorthands for sys_sdevio() system call. */ #define sys_insb(port, proc_ep, buffer, count) \ sys_sdevio(DIO_INPUT_BYTE, port, proc_ep, buffer, count, 0) #define sys_insw(port, proc_ep, buffer, count) \ sys_sdevio(DIO_INPUT_WORD, port, proc_ep, buffer, count, 0) #define sys_outsb(port, proc_ep, buffer, count) \ sys_sdevio(DIO_OUTPUT_BYTE, port, proc_ep, buffer, count, 0) #define sys_outsw(port, proc_ep, buffer, count) \ sys_sdevio(DIO_OUTPUT_WORD, port, proc_ep, buffer, count, 0) #define sys_safe_insb(port, ept, grant, offset, count) \ sys_sdevio(DIO_SAFE_INPUT_BYTE, port, ept, (void*)grant, count, offset) #define sys_safe_outsb(port, ept, grant, offset, count) \ sys_sdevio(DIO_SAFE_OUTPUT_BYTE, port, ept, (void*)grant, count, offset) #define sys_safe_insw(port, ept, grant, offset, count) \ sys_sdevio(DIO_SAFE_INPUT_WORD, port, ept, (void*)grant, count, offset) #define sys_safe_outsw(port, ept, grant, offset, count) \ sys_sdevio(DIO_SAFE_OUTPUT_WORD, port, ept, (void*)grant, count, offset) int sys_sdevio(int req, long port, endpoint_t proc_ep, void *buffer, int count, vir_bytes offset); void *alloc_contig(size_t len, int flags, phys_bytes *phys); int free_contig(void *addr, size_t len); #define AC_ALIGN4K 0x01 #define AC_LOWER16M 0x02 #define AC_ALIGN64K 0x04 #define AC_LOWER1M 0x08 /* Clock functionality: get system times, (un)schedule an alarm call, or * retrieve/set a process-virtual timer. */ int sys_times(endpoint_t proc_ep, clock_t *user_time, clock_t *sys_time, clock_t *uptime, time_t *boottime); #define sys_setalarm(exp, abs) sys_setalarm2(exp, abs, NULL, NULL) int sys_setalarm2(clock_t exp_time, int abs_time, clock_t *time_left, clock_t *uptime); int sys_vtimer(endpoint_t proc_nr, int which, clock_t *newval, clock_t *oldval); /* Shorthands for sys_irqctl() system call. */ #define sys_irqdisable(hook_id) \ sys_irqctl(IRQ_DISABLE, 0, 0, hook_id) #define sys_irqenable(hook_id) \ sys_irqctl(IRQ_ENABLE, 0, 0, hook_id) #define sys_irqsetpolicy(irq_vec, policy, hook_id) \ sys_irqctl(IRQ_SETPOLICY, irq_vec, policy, hook_id) #define sys_irqrmpolicy(hook_id) \ sys_irqctl(IRQ_RMPOLICY, 0, 0, hook_id) int sys_irqctl(int request, int irq_vec, int policy, int *irq_hook_id); /* Shorthands for sys_vircopy() and sys_physcopy() system calls. */ #define sys_datacopy(p1, v1, p2, v2, len) sys_vircopy(p1, v1, p2, v2, len, 0) #define sys_datacopy_try(p1, v1, p2, v2, len) sys_vircopy(p1, v1, p2, v2, len, CP_FLAG_TRY) int sys_vircopy(endpoint_t src_proc, vir_bytes src_v, endpoint_t dst_proc, vir_bytes dst_vir, phys_bytes bytes, int flags); #define sys_abscopy(src_phys, dst_phys, bytes) \ sys_physcopy(NONE, src_phys, NONE, dst_phys, bytes, 0) int sys_physcopy(endpoint_t src_proc, vir_bytes src_vir, endpoint_t dst_proc, vir_bytes dst_vir, phys_bytes bytes, int flags); /* Grant-based copy functions. */ int sys_safecopyfrom(endpoint_t source, cp_grant_id_t grant, vir_bytes grant_offset, vir_bytes my_address, size_t bytes); int sys_safecopyto(endpoint_t dest, cp_grant_id_t grant, vir_bytes grant_offset, vir_bytes my_address, size_t bytes); int sys_vsafecopy(struct vscp_vec *copyvec, int elements); int sys_safememset(endpoint_t source, cp_grant_id_t grant, vir_bytes grant_offset, int pattern, size_t bytes); int sys_memset(endpoint_t who, unsigned long pattern, phys_bytes base, phys_bytes bytes); int sys_vumap(endpoint_t endpt, struct vumap_vir *vvec, int vcount, size_t offset, int access, struct vumap_phys *pvec, int *pcount); int sys_umap(endpoint_t proc_ep, int seg, vir_bytes vir_addr, vir_bytes bytes, phys_bytes *phys_addr); int sys_umap_data_fb(endpoint_t proc_ep, vir_bytes vir_addr, vir_bytes bytes, phys_bytes *phys_addr); int sys_umap_remote(endpoint_t proc_ep, endpoint_t grantee, int seg, vir_bytes vir_addr, vir_bytes bytes, phys_bytes *phys_addr); /* Shorthands for sys_diagctl() system call. */ #define sys_diagctl_diag(buf,len) \ sys_diagctl(DIAGCTL_CODE_DIAG, buf, len) #define sys_diagctl_stacktrace(ep) \ sys_diagctl(DIAGCTL_CODE_STACKTRACE, NULL, ep) #define sys_diagctl_register() \ sys_diagctl(DIAGCTL_CODE_REGISTER, NULL, 0) #define sys_diagctl_unregister() \ sys_diagctl(DIAGCTL_CODE_UNREGISTER, NULL, 0) int sys_diagctl(int ctl, char *arg1, int arg2); /* Shorthands for sys_getinfo() system call. */ #define sys_getkinfo(dst) sys_getinfo(GET_KINFO, dst, 0,0,0) #define sys_getloadinfo(dst) sys_getinfo(GET_LOADINFO, dst, 0,0,0) #define sys_getmachine(dst) sys_getinfo(GET_MACHINE, dst, 0,0,0) #define sys_getcpuinfo(dst) sys_getinfo(GET_CPUINFO, dst, 0,0,0) #define sys_getproctab(dst) sys_getinfo(GET_PROCTAB, dst, 0,0,0) #define sys_getprivtab(dst) sys_getinfo(GET_PRIVTAB, dst, 0,0,0) #define sys_getproc(dst,nr) sys_getinfo(GET_PROC, dst, 0,0, nr) #define sys_getrandomness(dst) sys_getinfo(GET_RANDOMNESS, dst, 0,0,0) #define sys_getrandom_bin(d,b) sys_getinfo(GET_RANDOMNESS_BIN, d, 0,0,b) #define sys_getimage(dst) sys_getinfo(GET_IMAGE, dst, 0,0,0) #define sys_getirqhooks(dst) sys_getinfo(GET_IRQHOOKS, dst, 0,0,0) #define sys_getirqactids(dst) sys_getinfo(GET_IRQACTIDS, dst, 0,0,0) #define sys_getmonparams(v,vl) sys_getinfo(GET_MONPARAMS, v,vl, 0,0) #define sys_getschedinfo(v1,v2) sys_getinfo(GET_SCHEDINFO, v1,0, v2,0) #define sys_getpriv(dst, nr) sys_getinfo(GET_PRIV, dst, 0,0, nr) #define sys_getidletsc(dst) sys_getinfo(GET_IDLETSC, dst, 0,0,0) #define sys_getregs(dst,nr) sys_getinfo(GET_REGS, dst, 0,0, nr) int sys_getinfo(int request, void *val_ptr, int val_len, void *val_ptr2, int val_len2); int sys_whoami(endpoint_t *ep, char *name, int namelen, int *priv_flags, int* init_flags); /* Signal control. */ int sys_kill(endpoint_t proc_ep, int sig); int sys_sigsend(endpoint_t proc_ep, struct sigmsg *sig_ctxt); int sys_sigreturn(endpoint_t proc_ep, struct sigmsg *sig_ctxt); int sys_getksig(endpoint_t *proc_ep, sigset_t *k_sig_map); int sys_endksig(endpoint_t proc_ep); /* NOTE: two different approaches were used to distinguish the device I/O * types 'byte', 'word', 'long': the latter uses #define and results in a * smaller implementation, but looses the static type checking. */ int sys_voutb(pvb_pair_t *pvb_pairs, int nr_ports); int sys_voutw(pvw_pair_t *pvw_pairs, int nr_ports); int sys_voutl(pvl_pair_t *pvl_pairs, int nr_ports); int sys_vinb(pvb_pair_t *pvb_pairs, int nr_ports); int sys_vinw(pvw_pair_t *pvw_pairs, int nr_ports); int sys_vinl(pvl_pair_t *pvl_pairs, int nr_ports); /* Shorthands for sys_out() system call. */ #define sys_outb(p,v) sys_out((p), (u32_t) (v), _DIO_BYTE) #define sys_outw(p,v) sys_out((p), (u32_t) (v), _DIO_WORD) #define sys_outl(p,v) sys_out((p), (u32_t) (v), _DIO_LONG) int sys_out(int port, u32_t value, int type); /* Shorthands for sys_in() system call. */ #define sys_inb(p,v) sys_in((p), (v), _DIO_BYTE) #define sys_inw(p,v) sys_in((p), (v), _DIO_WORD) #define sys_inl(p,v) sys_in((p), (v), _DIO_LONG) int sys_in(int port, u32_t *value, int type); /* arm pinmux */ int sys_padconf(u32_t padconf, u32_t mask, u32_t value); /* pci.c */ void pci_init(void); int pci_first_dev(int *devindp, u16_t *vidp, u16_t *didp); int pci_next_dev(int *devindp, u16_t *vidp, u16_t *didp); int pci_find_dev(u8_t bus, u8_t dev, u8_t func, int *devindp); void pci_reserve(int devind); int pci_reserve_ok(int devind); void pci_ids(int devind, u16_t *vidp, u16_t *didp); void pci_rescan_bus(u8_t busnr); u8_t pci_attr_r8(int devind, int port); u16_t pci_attr_r16(int devind, int port); u32_t pci_attr_r32(int devind, int port); void pci_attr_w8(int devind, int port, u8_t value); void pci_attr_w16(int devind, int port, u16_t value); void pci_attr_w32(int devind, int port, u32_t value); char *pci_dev_name(u16_t vid, u16_t did); char *pci_slot_name(int devind); int pci_set_acl(struct rs_pci *rs_pci); int pci_del_acl(endpoint_t proc_ep); int pci_get_bar(int devind, int port, u32_t *base, u32_t *size, int *ioflag); /* Profiling. */ int sys_sprof(int action, int size, int freq, int type, endpoint_t endpt, void *ctl_ptr, void *mem_ptr); /* machine context */ int sys_getmcontext(endpoint_t proc, vir_bytes mcp); int sys_setmcontext(endpoint_t proc, vir_bytes mcp); /* input */ int tty_input_inject(int type, int code, int val); /* Miscellaneous calls from servers and drivers. */ pid_t srv_fork(uid_t reuid, gid_t regid); int srv_kill(pid_t pid, int sig); int getprocnr(pid_t pid, endpoint_t *proc_ep); int mapdriver(char *label, devmajor_t major); pid_t getnpid(endpoint_t proc_ep); uid_t getnuid(endpoint_t proc_ep); gid_t getngid(endpoint_t proc_ep); int checkperms(endpoint_t endpt, char *path, size_t size); int copyfd(endpoint_t endpt, int fd, int what); #define COPYFD_FROM 0 /* copy file descriptor from remote process */ #define COPYFD_TO 1 /* copy file descriptor to remote process */ #define COPYFD_CLOSE 2 /* close file descriptor in remote process */ int sys_mq_open(const char *name, int oflag); int sys_mq_send(int mqdes, const char *msg_ptr, pid_t dst[], unsigned int msg_prio); int sys_mq_receive(int mqdes, char *msg_ptr, unsigned int msg_prio); int sys_mq_close(int mqdes); int sys_endpoint_from_pid(pid_t pid, endpoint_t *endpoint); #endif /* _SYSLIB_H */