#ifndef _TYPE_H #define _TYPE_H #ifndef _MINIX_TYPE_H #define _MINIX_TYPE_H /* Type definitions. */ typedef unsigned int vir_clicks; /* virtual addresses and lengths in clicks */ typedef unsigned long phys_bytes;/* physical addresses and lengths in bytes */ typedef unsigned int phys_clicks;/* physical addresses and lengths in clicks */ #if (CHIP == INTEL) typedef unsigned int vir_bytes; /* virtual addresses and lengths in bytes */ #endif #if (CHIP == M68000) typedef unsigned long vir_bytes;/* virtual addresses and lengths in bytes */ #endif #if (CHIP == SPARC) typedef unsigned long vir_bytes;/* virtual addresses and lengths in bytes */ #endif /* Types relating to messages. */ #define M1 1 #define M3 3 #define M4 4 #define M3_STRING 14 typedef struct {int m1i1, m1i2, m1i3; char *m1p1, *m1p2, *m1p3;} mess_1; typedef struct {int m2i1, m2i2, m2i3; long m2l1, m2l2; char *m2p1;} mess_2; typedef struct {int m3i1, m3i2; char *m3p1; char m3ca1[M3_STRING];} mess_3; typedef struct {long m4l1, m4l2, m4l3, m4l4, m4l5;} mess_4; typedef struct {char m5c1, m5c2; int m5i1, m5i2; long m5l1, m5l2, m5l3;}mess_5; typedef struct {int m6i1, m6i2, m6i3; long m6l1; sighandler_t m6f1;} mess_6; typedef struct { int m_source; /* who sent the message */ int m_type; /* what kind of message is it */ union { mess_1 m_m1; mess_2 m_m2; mess_3 m_m3; mess_4 m_m4; mess_5 m_m5; mess_6 m_m6; } m_u; } message; /* The following defines provide names for useful members. */ #define m1_i1 m_u.m_m1.m1i1 #define m1_i2 m_u.m_m1.m1i2 #define m1_i3 m_u.m_m1.m1i3 #define m1_p1 m_u.m_m1.m1p1 #define m1_p2 m_u.m_m1.m1p2 #define m1_p3 m_u.m_m1.m1p3 #define m2_i1 m_u.m_m2.m2i1 #define m2_i2 m_u.m_m2.m2i2 #define m2_i3 m_u.m_m2.m2i3 #define m2_l1 m_u.m_m2.m2l1 #define m2_l2 m_u.m_m2.m2l2 #define m2_p1 m_u.m_m2.m2p1 #define m3_i1 m_u.m_m3.m3i1 #define m3_i2 m_u.m_m3.m3i2 #define m3_p1 m_u.m_m3.m3p1 #define m3_ca1 m_u.m_m3.m3ca1 #define m4_l1 m_u.m_m4.m4l1 #define m4_l2 m_u.m_m4.m4l2 #define m4_l3 m_u.m_m4.m4l3 #define m4_l4 m_u.m_m4.m4l4 #define m4_l5 m_u.m_m4.m4l5 #define m5_c1 m_u.m_m5.m5c1 #define m5_c2 m_u.m_m5.m5c2 #define m5_i1 m_u.m_m5.m5i1 #define m5_i2 m_u.m_m5.m5i2 #define m5_l1 m_u.m_m5.m5l1 #define m5_l2 m_u.m_m5.m5l2 #define m5_l3 m_u.m_m5.m5l3 #define m6_i1 m_u.m_m6.m6i1 #define m6_i2 m_u.m_m6.m6i2 #define m6_i3 m_u.m_m6.m6i3 #define m6_l1 m_u.m_m6.m6l1 #define m6_f1 m_u.m_m6.m6f1 struct mem_map { vir_clicks mem_vir; /* virtual address */ phys_clicks mem_phys; /* physical address */ vir_clicks mem_len; /* length */ }; struct iorequest_s { long io_position; /* position in device file (really off_t) */ char *io_buf; /* buffer in user space */ int io_nbytes; /* size of request */ unsigned short io_request; /* read, write (optionally) */ }; #endif /* _TYPE_H */ typedef struct { vir_bytes iov_addr; /* address of an I/O buffer */ vir_bytes iov_size; /* sizeof an I/O buffer */ } iovec_t; typedef struct { vir_bytes cpv_src; /* src address of data */ vir_bytes cpv_dst; /* dst address of data */ vir_bytes cpv_size; /* size of data */ } cpvec_t; /* MM passes the address of a structure of this type to KERNEL when * do_sendsig() is invoked as part of the signal catching mechanism. * The structure contain all the information that KERNEL needs to build * the signal stack. */ struct sigmsg { int sm_signo; /* signal number being caught */ unsigned long sm_mask; /* mask to restore when handler returns */ vir_bytes sm_sighandler; /* address of handler */ vir_bytes sm_sigreturn; /* address of _sigreturn in C library */ vir_bytes sm_stkptr; /* user stack pointer */ }; #define MESS_SIZE (sizeof(message)) /* might need usizeof from fs here */ #define NIL_MESS ((message *) 0) struct psinfo { /* information for the ps(1) program */ u16_t nr_tasks, nr_procs; /* NR_TASKS and NR_PROCS constants. */ vir_bytes proc, mproc, fproc; /* addresses of the main process tables. */ }; #endif /* _MINIX_TYPE_H */