1992/0725/ss/dat.h (diff list | history)

1990/1223/sys/src/9/ss/dat.h:45,51 – 1990/1226/sys/src/9/ss/dat.h:45,51 (short | long)
1990/1223		struct Lock { char key; /* addr of sync bus semaphore */
1990/1226		ulong key;
1990/1223		ulong pc; };
1990/1223/sys/src/9/ss/dat.h:67,73 – 1990/1226/sys/src/9/ss/dat.h:67,72
1990/1223		{ ulong sp; ulong pc; ushort sr; }; struct Alarm
1990/1223/sys/src/9/ss/dat.h:216,224 – 1990/1226/sys/src/9/ss/dat.h:215,226
1990/1223		Lock alarmlock; /* access to alarm list */ void *alarm; /* alarms bound to this clock */ int fpstate; /* state of fp registers on machine */ void (*intr)(ulong, ulong); /* !!Compatability with mips!! */
1990/1226		void (*intr)(ulong, ulong); /* !!Compatibility with mips!! */
1990/1223		ulong cause; /* ... */ ulong pc; /* ... */
1990/1226		char pidhere[NCONTEXT]; /* is this tlbpid possibly in this mmu? */ int lastpid; /* last pid allocated on this machine */ Proc *pidproc[NCONTEXT]; /* process that owns this pid on this mach */
1990/1223		int stack[1]; };
1990/1223/sys/src/9/ss/dat.h:323,329 – 1990/1226/sys/src/9/ss/dat.h:325,330
1990/1223		char text[NAMELEN]; Proc *rnext; /* next process in run queue */ Proc *qnext; /* next process on queue for a QLock */ QLock *qlock; /* address of qlock being queued for DEBUG */ int state; int spin; /* spinning instead of unscheduled */ Page *upage; /* BUG: should be unlinked from page list */
1990/1223/sys/src/9/ss/dat.h:347,353 – 1990/1226/sys/src/9/ss/dat.h:348,354
1990/1223		int wokeup; /* whether sleep was interrupted */ ulong pc; /* DEBUG only */ int kp; /* true if a kernel process */ int pidonmach[1]; /* !!Compatability with mips!! */
1990/1226		int pidonmach[MAXMACH]; /* TLB pid on each mmu */
1990/1223		}; struct MMU
1990/1223/sys/src/9/ss/dat.h:511,518 – 1990/1226/sys/src/9/ss/dat.h:512,519
1990/1223		#define PRINTSIZE 256 extern register Mach *m; extern register User *u;
1990/1226		extern register Mach *m; /* R6 */ extern register User *u; /* R5 */
1990/1223		/* * Process states
1990/1223/sys/src/9/ss/dat.h:609,613 – 1990/1226/sys/src/9/ss/dat.h:610,614
1990/1223		/* * parameters for sysproc.c */ #define AOUT_MAGIC A_MAGIC
1990/1226		#define AOUT_MAGIC K_MAGIC
1990/1223		#define ENTRYOFFSET 0
1990/1226/sys/src/9/ss/dat.h:8,16 – 1990/1231/sys/src/9/ss/dat.h:8,19 (short | long)
1990/1223		typedef struct Env Env; typedef struct Envp Envp; typedef struct Envval Envval;
1990/1231		typedef struct Etherpkt Etherpkt;
1990/1223		typedef struct FFrame FFrame; typedef struct FPsave FPsave; typedef struct KMap KMap;
1990/1231		typedef struct Lance Lance; typedef struct Lancemem Lancemem;
1990/1223		typedef struct Label Label; typedef struct List List; typedef struct Lock Lock;
1990/1226/sys/src/9/ss/dat.h:19,25 – 1990/1231/sys/src/9/ss/dat.h:22,33
1990/1223		typedef struct Mach Mach; typedef struct Mount Mount; typedef struct Mtab Mtab;
1990/1231		typedef struct Noconv Noconv; typedef struct Nohdr Nohdr; typedef struct Noifc Noifc;
1990/1223		typedef struct Note Note;
1990/1231		typedef struct Nomsg Nomsg; typedef struct Nocall Nocall;
1990/1223		typedef struct Orig Orig; typedef struct PTE PTE; typedef struct Page Page;
1990/1226/sys/src/9/ss/dat.h:146,151 – 1990/1231/sys/src/9/ss/dat.h:154,161
1990/1223		int nbitmap; /* bitmap structs (devbit.c) */ int nbitbyte; /* bytes of bitmap data (devbit.c) */ int nfont; /* font structs (devbit.c) */
1990/1231		ulong nnoifc; /* number of nonet interfaces */ ulong nnoconv; /* number of nonet conversations/ifc */
1990/1223		int nurp; /* max urp conversations */ int nasync; /* number of async protocol modules */ int npipe; /* number of pipes */
1990/1226/sys/src/9/ss/dat.h:497,502 – 1990/1231/sys/src/9/ss/dat.h:507,641
1990/1223		Streambhi= 32, /* block count high water mark */ };
1990/1231		/* * Ethernet packet buffers. */ struct Etherpkt { uchar d[6]; uchar s[6]; uchar type[2]; uchar data[1500]; uchar crc[4]; }; /* * nonet constants */ enum { Nnomsg = 128, /* max number of outstanding messages */ Nnocalls = 5, /* maximum queued incoming calls */ }; /* * generic nonet header */ struct Nohdr { uchar circuit[3]; /* circuit number */ uchar flag; uchar mid; /* message id */ uchar ack; /* piggy back ack */ uchar remain[2]; /* count of remaing bytes of data */ uchar sum[2]; /* checksum (0 means none) */ }; #define NO_HDRSIZE 10 #define NO_NEWCALL 0x1 /* flag bit marking a new circuit */ #define NO_HANGUP 0x2 /* flag bit requesting hangup */ #define NO_ACKME 0x4 /* acknowledge this message */ #define NO_SERVICE 0x8 /* message includes a service name */ /* * a buffer describing a nonet message */ struct Nomsg { Blist; Rendez r; int mid; /* sequence number */ int rem; /* remaining */ long time; int acked; int inuse; }; /* * one exists for each Nonet conversation. */ struct Noconv { QLock; Stream *s; Queue *rq; /* input queue */ int version; /* incremented each time struct is changed */ int state; /* true if listening */ Nomsg in[Nnomsg]; /* messages being received */ int rcvcircuit; /* circuit number of incoming packets */ uchar ack[Nnomsg]; /* acknowledgements waiting to be sent */ int afirst; int anext; QLock xlock; /* one trasmitter at a time */ Rendez r; /* process waiting for an output mid */ Nomsg ctl; /* for control messages */ Nomsg ackmsg; /* for acknowledge messages */ QLock mlock; /* lock for out */ Nomsg out[Nnomsg]; /* messages being sent */ int first; /* first unacknowledged message */ int next; /* next message buffer to use */ int lastacked; /* last message acked */ Block *media; /* prototype media output header */ Nohdr *hdr; /* nonet header inside of media header */ Noifc *ifc; char raddr[NAMELEN]; /* remote address */ char ruser[NAMELEN]; /* remote user */ char addr[NAMELEN]; /* local address */ int rexmit; /* statistics */ int retry; int bad; int sent; int rcvd; }; /* * an incoming call */ struct Nocall { Block *msg; char raddr[NAMELEN]; long circuit; }; /* * a nonet interface. one exists for every stream that a * nonet multiplexor is pushed onto. */ struct Noifc { Lock; int ref; char name[NAMELEN]; /* interface name */ Queue *wq; /* interface output queue */ Noconv *conv; /* * media dependent */ int maxtu; /* maximum transfer unit */ int mintu; /* minimum transfer unit */ int hsize; /* media header size */ void (*connect)(Noconv *, char *); /* * calls and listeners */ QLock listenl; Rendez listenr; Lock lock; Nocall call[Nnocalls]; int rptr; int wptr; };
1990/1223		#define NSTUB 32 struct Service {
1990/1226/sys/src/9/ss/dat.h:509,514 – 1990/1231/sys/src/9/ss/dat.h:648,676
1990/1223		char name[NAMELEN]; };
1990/1231		/* * system dependent lance stuff * filled by lancesetup() */ struct Lance { ushort lognrrb; /* log2 number of receive ring buffers */ ushort logntrb; /* log2 number of xmit ring buffers */ ushort nrrb; /* number of receive ring buffers */ ushort ntrb; /* number of xmit ring buffers */ ushort *rap; /* lance address register */ ushort *rdp; /* lance data register */ uchar ea[6]; /* our ether addr */ int sep; /* separation between shorts in lance ram as seen by host */ ushort *lanceram; /* start of lance ram as seen by host */ Lancemem *lm; /* start of lance ram as seen by lance */ Etherpkt *rp; /* receive buffers (host address) */ Etherpkt *tp; /* transmit buffers (host address) */ Etherpkt *lrp; /* receive buffers (lance address) */ Etherpkt *ltp; /* transmit buffers (lance address) */ };
1990/1223		#define PRINTSIZE 256
1990/1231/sys/src/9/ss/dat.h:343,349 – 1991/0109/sys/src/9/ss/dat.h:343,349 (short | long)
1990/1223		ulong pid; int nchild; QLock wait; /* exiting children to be waited for */ ulong waitmsg;
1991/0109		Waitmsg waitmsg; /* this is large but must be addressable */
1990/1223		Proc *child; Proc *parent; Pgrp *pgrp;
1990/1231/sys/src/9/ss/dat.h:648,653 – 1991/0109/sys/src/9/ss/dat.h:648,659
1990/1223		char name[NAMELEN]; };
1991/0109		/* * LANCE CSR3 (bus control bits) */ #define BSWP 0x4 #define ACON 0x2 #define BCON 0x1
1990/1231		/* * system dependent lance stuff
1990/1231/sys/src/9/ss/dat.h:661,666 – 1991/0109/sys/src/9/ss/dat.h:667,673
1990/1231		ushort ntrb; /* number of xmit ring buffers */ ushort *rap; /* lance address register */ ushort *rdp; /* lance data register */
1991/0109		ushort busctl; /* bus control bits */
1990/1231		uchar ea[6]; /* our ether addr */ int sep; /* separation between shorts in lance ram as seen by host */
1991/0109/sys/src/9/ss/dat.h:228,236 – 1991/0110/sys/src/9/ss/dat.h:228,236 (short | long)
1990/1226		void (*intr)(ulong, ulong); /* !!Compatibility with mips!! */
1990/1223		ulong cause; /* ... */ ulong pc; /* ... */
1990/1226		char pidhere[NCONTEXT]; /* is this tlbpid possibly in this mmu? */
1991/0110		char pidhere[NTLBPID]; /* is this tlbpid possibly in this mmu? */
1990/1226		int lastpid; /* last pid allocated on this machine */ Proc *pidproc[NCONTEXT]; /* process that owns this pid on this mach */
1991/0110		Proc *pidproc[NTLBPID]; /* process that owns this pid on this mach */
1990/1223		int stack[1]; };
1991/0109/sys/src/9/ss/dat.h:773,778 – 1991/0110/sys/src/9/ss/dat.h:773,779
1990/1223		extern Mach mach0; extern char user[NAMELEN]; extern char *errstrtab[];
1991/0110		extern uchar *intrreg;
1990/1223		extern void (*kprofp)(ulong);
1991/0110/sys/src/9/ss/dat.h:359,364 – 1991/0112/sys/src/9/ss/dat.h:359,365 (short | long)
1990/1223		ulong pc; /* DEBUG only */ int kp; /* true if a kernel process */
1990/1226		int pidonmach[MAXMACH]; /* TLB pid on each mmu */
1991/0112		int nmmuseg; /* number of segments active in mmu */
1990/1223		}; struct MMU
1991/0112/sys/src/9/ss/dat.h:117,127 – 1991/01151/sys/src/9/ss/dat.h:117,124 (short | long)
1990/1223		struct FPsave { uchar type; uchar size; short reserved; char junk[212]; /* 68881: sizes 24, 180; 68882: 56, 212 */ char reg[3*4+8*12];
1991/01151		long fsr; long fpreg[32+1]; /* +1 so we can double-align */
1990/1223		}; struct Conf
1991/0112/sys/src/9/ss/dat.h:734,740 – 1991/01151/sys/src/9/ss/dat.h:731,737
1990/1223		{ FPinit, FPactive, FPdirty,
1991/01151		FPinactive,
1990/1223		}; /*
1991/01151/sys/src/9/ss/dat.h:549,555 – 1991/0118/sys/src/9/ss/dat.h:549,555 (short | long)
1990/1231		Rendez r; int mid; /* sequence number */ int rem; /* remaining */ long time;
1991/0118		ulong time;
1990/1231		int acked; int inuse; };
1991/0118/sys/src/9/ss/dat.h:540,545 – 1991/0119/sys/src/9/ss/dat.h:540,546 (short | long)
1990/1231		#define NO_HANGUP 0x2 /* flag bit requesting hangup */ #define NO_ACKME 0x4 /* acknowledge this message */ #define NO_SERVICE 0x8 /* message includes a service name */
1991/0119		#define NO_RESET 0x10 /* reset the connection */
1990/1231		/* * a buffer describing a nonet message
1991/0119/sys/src/9/ss/dat.h:547,553 – 1991/0206/sys/src/9/ss/dat.h:547,552 (short | long)
1990/1231		*/ struct Nomsg { Blist; Rendez r; int mid; /* sequence number */ int rem; /* remaining */
1991/0118		ulong time;
1991/0206/sys/src/9/ss/dat.h:222,230 – 1991/0209/sys/src/9/ss/dat.h:222,227 (short | long)
1990/1223		Lock alarmlock; /* access to alarm list */ void *alarm; /* alarms bound to this clock */ int fpstate; /* state of fp registers on machine */
1990/1226		void (*intr)(ulong, ulong); /* !!Compatibility with mips!! */
1990/1223		ulong cause; /* ... */ ulong pc; /* ... */
1991/0110		char pidhere[NTLBPID]; /* is this tlbpid possibly in this mmu? */
1990/1226		int lastpid; /* last pid allocated on this machine */
1991/0110		Proc *pidproc[NTLBPID]; /* process that owns this pid on this mach */
1991/0209/sys/src/9/ss/dat.h:293,299 – 1991/0212/sys/src/9/ss/dat.h:293,299 (short | long)
1990/1223		char user[NAMELEN]; int nmtab; /* highest active mount table entry, +1 */ int nenv; /* highest active env table entry, +1 */ Lock debug; /* single access via devproc.c */
1991/0212		QLock debug; /* single access via devproc.c */
1990/1223		Mtab *mtab; Envp *etab; };
1991/0212/sys/src/9/ss/dat.h:512,517 – 1991/0318/sys/src/9/ss/dat.h:512,518 (short | long)
1990/1231		uchar data[1500]; uchar crc[4]; };
1991/0318		#define ETHERMINMTU 60 /* minimum transmit size */
1990/1231		/* * nonet constants
1991/0318/sys/src/9/ss/dat.h:514,637 – 1991/0328/sys/src/9/ss/dat.h:514,519 (short | long)
1990/1231		};
1991/0318		#define ETHERMINMTU 60 /* minimum transmit size */
1990/1231		/* * nonet constants */ enum { Nnomsg = 128, /* max number of outstanding messages */ Nnocalls = 5, /* maximum queued incoming calls */ };                  /* * generic nonet header */ struct Nohdr { uchar circuit[3]; /* circuit number */ uchar flag; uchar mid; /* message id */ uchar ack; /* piggy back ack */ uchar remain[2]; /* count of remaing bytes of data */ uchar sum[2]; /* checksum (0 means none) */ }; #define NO_HDRSIZE 10 #define NO_NEWCALL 0x1 /* flag bit marking a new circuit */ #define NO_HANGUP 0x2 /* flag bit requesting hangup */ #define NO_ACKME 0x4 /* acknowledge this message */ #define NO_SERVICE 0x8 /* message includes a service name */
1991/0119		#define NO_RESET 0x10 /* reset the connection */
1990/1231		/* * a buffer describing a nonet message */ struct Nomsg { Blist; int mid; /* sequence number */ int rem; /* remaining */
1991/0118		ulong time;
1990/1231		int acked; int inuse; };                  /* * one exists for each Nonet conversation. */ struct Noconv { QLock;                  Stream *s; Queue *rq; /* input queue */ int version; /* incremented each time struct is changed */ int state; /* true if listening */                  Nomsg in[Nnomsg]; /* messages being received */ int rcvcircuit; /* circuit number of incoming packets */                  uchar ack[Nnomsg]; /* acknowledgements waiting to be sent */ int afirst; int anext;                  QLock xlock; /* one trasmitter at a time */ Rendez r; /* process waiting for an output mid */ Nomsg ctl; /* for control messages */ Nomsg ackmsg; /* for acknowledge messages */ QLock mlock; /* lock for out */ Nomsg out[Nnomsg]; /* messages being sent */ int first; /* first unacknowledged message */ int next; /* next message buffer to use */ int lastacked; /* last message acked */ Block *media; /* prototype media output header */ Nohdr *hdr; /* nonet header inside of media header */                  Noifc *ifc; char raddr[NAMELEN]; /* remote address */ char ruser[NAMELEN]; /* remote user */ char addr[NAMELEN]; /* local address */ int rexmit; /* statistics */ int retry; int bad; int sent; int rcvd; };                  /* * an incoming call */ struct Nocall { Block *msg; char raddr[NAMELEN]; long circuit; };                  /* * a nonet interface. one exists for every stream that a * nonet multiplexor is pushed onto. */ struct Noifc { Lock; int ref; char name[NAMELEN]; /* interface name */ Queue *wq; /* interface output queue */ Noconv *conv;                  /* * media dependent */ int maxtu; /* maximum transfer unit */ int mintu; /* minimum transfer unit */ int hsize; /* media header size */ void (*connect)(Noconv *, char *);                  /* * calls and listeners */ QLock listenl; Rendez listenr; Lock lock; Nocall call[Nnocalls]; int rptr; int wptr; };
1990/1223		#define NSTUB 32 struct Service {
1991/0328/sys/src/9/ss/dat.h:512,518 – 1991/0407/sys/src/9/ss/dat.h:512,520 (short | long)
1990/1231		uchar data[1500]; uchar crc[4]; };
1991/0318		#define ETHERMINMTU 60 /* minimum transmit size */
1991/0407		#define ETHERMINTU 60 /* minimum transmit size */ #define ETHERMAXTU 1514 /* maximum transmit size */ #define ETHERHDRSIZE 14 /* size of an ethernet header */
1990/1231
1990/1223		#define NSTUB 32 struct Service
1991/0407/sys/src/9/ss/dat.h:173,180 – 1991/0411/sys/src/9/ss/dat.h:173,180 (short | long)
1990/1223		Chan *(*open)(Chan*, int); void (*create)(Chan*, char*, int, ulong); void (*close)(Chan*); long (*read)(Chan*, void*, long); long (*write)(Chan*, void*, long);
1991/0411		long (*read)(Chan*, void*, long, ulong); long (*write)(Chan*, void*, long, ulong );
1990/1223		void (*remove)(Chan*); void (*wstat)(Chan*, char*); };
1991/0407/sys/src/9/ss/dat.h:478,483 – 1991/0411/sys/src/9/ss/dat.h:478,484
1990/1223		QLock rdlock; /* read lock */ Queue *procq; /* write queue at process end */ Queue *devq; /* read queue at device end */
1991/0411		Block *err; /* error message from down stream */
1990/1223		}; #define RD(q) ((q)->other < (q) ? (q->other) : q) #define WR(q) ((q)->other > (q) ? (q->other) : q)
1991/0411/sys/src/9/ss/dat.h:92,98 – 1991/0413/sys/src/9/ss/dat.h:92,99 (short | long)
1990/1223		#define CHEXCL 0x20000000L struct Chan { QLock; /* general access */
1991/0413		QLock rdl; QLock wrl;
1990/1223		Ref; union{ Chan *next; /* allocation */
1991/0413/sys/src/9/ss/dat.h:178,183 – 1991/0419/sys/src/9/ss/dat.h:178,184 (short | long)
1991/0411		long (*write)(Chan*, void*, long, ulong );
1990/1223		void (*remove)(Chan*); void (*wstat)(Chan*, char*);
1991/0419		Chan *(*clwalk)(Chan*, char*);
1990/1223		}; struct Dirtab
1991/0419/sys/src/9/ss/dat.h:111,116 – 1991/0427/sys/src/9/ss/dat.h:111,117 (short | long)
1990/1223		Stream *stream; /* for stream channels */ void *aux; Qid pgrpid; /* for #p/notepg */
1991/0427		int mntindex; /* for devmnt */
1990/1223		}; Chan *mchan; /* channel to mounted server */ Qid mqid; /* qid of root of mount point */
1991/0419/sys/src/9/ss/dat.h:178,184 – 1991/0427/sys/src/9/ss/dat.h:179,184
1991/0411		long (*write)(Chan*, void*, long, ulong );
1990/1223		void (*remove)(Chan*); void (*wstat)(Chan*, char*);
1991/0419		Chan *(*clwalk)(Chan*, char*);
1990/1223		}; struct Dirtab
1991/0419/sys/src/9/ss/dat.h:227,232 – 1991/0427/sys/src/9/ss/dat.h:227,241
1991/0110		char pidhere[NTLBPID]; /* is this tlbpid possibly in this mmu? */
1990/1226		int lastpid; /* last pid allocated on this machine */
1991/0110		Proc *pidproc[NTLBPID]; /* process that owns this pid on this mach */
1991/0427		int tlbfault; int tlbpurge; int pfault; int cs; int syscall; int spinlock; int intr;
1990/1223		int stack[1]; };
1991/0427/sys/src/9/ss/dat.h:1,14 – 1991/0428/sys/src/9/ss/dat.h:1,4 (short | long)
1990/1223		typedef struct Alarm Alarm; typedef struct Block Block; typedef struct Blist Blist; typedef struct Chan Chan; typedef struct Conf Conf; typedef struct Dev Dev; typedef struct Dirtab Dirtab; typedef struct Env Env; typedef struct Envp Envp; typedef struct Envval Envval;
1990/1231		typedef struct Etherpkt Etherpkt;
1990/1223		typedef struct FFrame FFrame; typedef struct FPsave FPsave; typedef struct KMap KMap;
1991/0427/sys/src/9/ss/dat.h:15,56 – 1991/0428/sys/src/9/ss/dat.h:5,31
1990/1231		typedef struct Lance Lance; typedef struct Lancemem Lancemem;
1990/1223		typedef struct Label Label; typedef struct List List; typedef struct Lock Lock; typedef struct MMU MMU; typedef struct MMUCache MMUCache; typedef struct Mach Mach; typedef struct Mount Mount; typedef struct Mtab Mtab;
1990/1231		typedef struct Noconv Noconv; typedef struct Nohdr Nohdr; typedef struct Noifc Noifc;
1990/1223		typedef struct Note Note;
1990/1231		typedef struct Nomsg Nomsg; typedef struct Nocall Nocall;
1990/1223		typedef struct Orig Orig; typedef struct PTE PTE; typedef struct Page Page; typedef struct Pgrp Pgrp; typedef struct Proc Proc; typedef struct Qinfo Qinfo; typedef struct QLock QLock; typedef struct Queue Queue; typedef struct Ref Ref; typedef struct Rendez Rendez; typedef struct Seg Seg; typedef struct Service Service; typedef struct Stream Stream; typedef struct Ureg Ureg; typedef struct User User; typedef int Devgen(Chan*, Dirtab*, int, int, Dir*); struct List { void *next; };
1991/0428		#define MACHP(n) (n==0? &mach0 : *(Mach**)0)
1990/1223
1991/0428		extern Mach mach0; extern void (*kprofp)(ulong); /* * parameters for sysproc.c */ #define AOUT_MAGIC K_MAGIC /* * machine dependent definitions used by ../port/dat.h */
1990/1223		struct Lock {
1990/1226		ulong key;
1991/0427/sys/src/9/ss/dat.h:57,76 – 1991/0428/sys/src/9/ss/dat.h:32,37
1990/1223		ulong pc; }; struct Ref { Lock; int ref; };                  struct QLock { Proc *head; /* next process waiting for object */ Proc *tail; /* last process waiting for object */ Lock use; /* to use object */ Lock queue; /* to access list */ };                  struct Label { ulong sp;
1991/0427/sys/src/9/ss/dat.h:77,122 – 1991/0428/sys/src/9/ss/dat.h:38,53
1990/1223		ulong pc; }; struct Alarm
1991/0428		/* * floating point registers */ enum
1990/1223		{ List; Lock; int busy; long dt; /* may underflow in clock(); must be signed */ void (*f)(void*); void *arg;
1991/0428		FPinit, FPactive, FPinactive,
1990/1223		}; #define CHDIR 0x80000000L #define CHAPPEND 0x40000000L #define CHEXCL 0x20000000L struct Chan {
1991/0413		QLock rdl; QLock wrl;
1990/1223		Ref; union{ Chan *next; /* allocation */ ulong offset; /* in file */ }; ushort type; ushort dev; ushort mode; /* read/write */ ushort flag; Qid qid; Mount *mnt; /* mount point that derived Chan */ ulong mountid; int fid; /* for devmnt */ union { Stream *stream; /* for stream channels */ void *aux; Qid pgrpid; /* for #p/notepg */
1991/0427		int mntindex; /* for devmnt */
1990/1223		}; Chan *mchan; /* channel to mounted server */ Qid mqid; /* qid of root of mount point */ };                  struct FPsave {
1991/01151		long fsr;
1991/0427/sys/src/9/ss/dat.h:164,209 – 1991/0428/sys/src/9/ss/dat.h:95,105
1990/1223		int copymode; /* 0 is copy on write, 1 is copy on reference */ }; struct Dev { void (*reset)(void); void (*init)(void); Chan *(*attach)(char*); Chan *(*clone)(Chan*, Chan*); int (*walk)(Chan*, char*); void (*stat)(Chan*, char*); Chan *(*open)(Chan*, int); void (*create)(Chan*, char*, int, ulong); void (*close)(Chan*);
1991/0411		long (*read)(Chan*, void*, long, ulong); long (*write)(Chan*, void*, long, ulong );
1990/1223		void (*remove)(Chan*); void (*wstat)(Chan*, char*); };
1991/0428		#include "../port/portdat.h"
1990/1223		struct Dirtab { char name[NAMELEN]; Qid qid; long length; long perm; };                  struct Env { Lock; Envval *val; char name[NAMELEN]; Env *next; /* in chain of Envs for a pgrp */ int pgref; /* # pgrps pointing here */ };                  struct Envp { Env *env; int chref; /* # chans from pgrp pointing here */ };
1991/0428		/* * machine dependent definitions not used by ../port/dat.h */
1990/1223		struct KMap { KMap *next;
1991/0427/sys/src/9/ss/dat.h:239,385 – 1991/0428/sys/src/9/ss/dat.h:135,140
1990/1223		int stack[1]; }; struct Mount { Ref; /* also used as a lock when playing lists */ short term; /* terminates list */ ulong mountid; Mount *next; Chan *c; /* channel replacing underlying channel */ };                  struct Mtab { Chan *c; /* channel mounted upon */ Mount *mnt; /* what's mounted upon it */ };                  enum{ NUser, /* note provided externally */ NExit, /* process should exit */ NDebug, /* process should hang */ };                  struct Note { char msg[ERRLEN]; int flag; /* whether system posted it */ };                  struct Orig { Lock; Orig *next; /* for allocation */ ushort nproc; /* processes using it */ ushort npage; /* sum of refs of pages in it */ ushort flag; ulong va; /* va of 0th pte */ ulong npte; /* #pte's in list */ PTE *pte; Chan *chan; /* channel deriving segment (if open) */ ushort type; /* of channel (which could be non-open) */ Qid qid; Chan *mchan; Qid mqid; ulong minca; /* base of region in chan */ ulong maxca; /* end of region in chan */ };                  struct Page { Orig *o; /* origin of segment owning page */ ulong va; /* virtual address */ ulong pa; /* physical address */ ushort ref; Page *next; Page *prev; };                  struct Pgrp { Ref; /* also used as a lock when mounting */ Pgrp *next; int index; /* index in pgrp table */ ulong pgrpid; char user[NAMELEN]; int nmtab; /* highest active mount table entry, +1 */ int nenv; /* highest active env table entry, +1 */
1991/0212		QLock debug; /* single access via devproc.c */
1990/1223		Mtab *mtab; Envp *etab; };                  struct PTE { Proc *proc; /* process owning this PTE (0 in Orig) */ PTE *nextmod; /* next at this va */ PTE *nextva; /* next in this proc at higher va */ Page *page; };                  struct Rendez { Lock; Proc *p; };                  struct Seg { Proc *proc; /* process owning this segment */ Orig *o; /* root list of pte's */ ulong minva; /* va of 0th pte (not necessarily Seg->o->va) */ ulong maxva; /* va of last pte */ PTE *mod; /* list of modified pte's */ ulong pad[3]; /**/ };                  struct Proc { Label sched; Mach *mach; /* machine running this proc */ char text[NAMELEN]; Proc *rnext; /* next process in run queue */ Proc *qnext; /* next process on queue for a QLock */ int state; int spin; /* spinning instead of unscheduled */ Page *upage; /* BUG: should be unlinked from page list */ Seg seg[NSEG]; ulong bssend; /* initial top of bss seg */ ulong pid; int nchild; QLock wait; /* exiting children to be waited for */
1991/0109		Waitmsg waitmsg; /* this is large but must be addressable */
1990/1223		Proc *child; Proc *parent; Pgrp *pgrp; ulong parentpid; ulong time[6]; /* User, Sys, Real; child U, S, R */ short exiting; short insyscall; int fpstate; Lock debug; /* to access debugging elements of User */ Rendez *r; /* rendezvous point slept on */ Rendez sleep; /* place for tsleep and syssleep */ int wokeup; /* whether sleep was interrupted */ ulong pc; /* DEBUG only */ int kp; /* true if a kernel process */
1990/1226		int pidonmach[MAXMACH]; /* TLB pid on each mmu */
1991/0112		int nmmuseg; /* number of segments active in mmu */
1990/1223		};                  struct MMU { ulong va; ulong pa; };                  #define NMMU 16 struct MMUCache { ulong next; MMU mmu[NMMU]; };                  #define NERR 15 #define NNOTE 5 #define NFD 100
1991/0427/sys/src/9/ss/dat.h:403,546 – 1991/0428/sys/src/9/ss/dat.h:158,167
1990/1223		short nnote; short notified; /* sysnoted is due */ int (*notify)(void*, char*); MMUCache mc; void *ureg; }; /* * operations available to a queue */ struct Qinfo { void (*iput)(Queue*, Block*); /* input routine */ void (*oput)(Queue*, Block*); /* output routine */ void (*open)(Queue*, Stream*); void (*close)(Queue*); char *name; void (*reset)(void); /* initialization */ Qinfo *next; };                  /* * We reference lance buffers via descriptors kept in host memory */ struct Block { Block *next; uchar *rptr; /* first unconsumed byte */ uchar *wptr; /* first empty byte */ uchar *lim; /* 1 past the end of the buffer */ uchar *base; /* start of the buffer */ uchar flags; uchar type; };                  /* flag bits */ #define S_DELIM 0x80 #define S_CLASS 0x07                  /* type values */ #define M_DATA 0 #define M_CTL 1 #define M_HANGUP 2                  /* * a list of blocks */ struct Blist { Lock; Block *first; /* first data block */ Block *last; /* last data block */ long len; /* length of list in bytes */ int nb; /* number of blocks in list */ };                  /* * a queue of blocks */ struct Queue { Blist; int flag; Qinfo *info; /* line discipline definition */ Queue *other; /* opposite direction, same line discipline */ Queue *next; /* next queue in the stream */ void (*put)(Queue*, Block*); QLock rlock; /* mutex for processes sleeping at r */ Rendez r; /* standard place to wait for flow control */ Rendez *rp; /* where flow control wakeups go to */ void *ptr; /* private info for the queue */ }; #define QHUNGUP 0x1 /* flag bit meaning the stream has been hung up */ #define QINUSE 0x2 #define QHIWAT 0x4 /* queue has gone past the high water mark */ #define QDEBUG 0x8                  /* * a stream head */ struct Stream { QLock; /* structure lock */ short inuse; /* number of processes in stream */ short opens; /* number of processes with stream open */ ushort hread; /* number of reads after hangup */ ushort type; /* correlation with Chan */ ushort dev; /* ... */ ushort id; /* ... */ QLock rdlock; /* read lock */ Queue *procq; /* write queue at process end */ Queue *devq; /* read queue at device end */
1991/0411		Block *err; /* error message from down stream */
1990/1223		}; #define RD(q) ((q)->other < (q) ? (q->other) : q) #define WR(q) ((q)->other > (q) ? (q->other) : q) #define GLOBAL(a) (((ulong)(a)) & 0x80000000) #define STREAMTYPE(x) ((x)&0x1f) #define STREAMID(x) (((x)&~CHDIR)>>5) #define STREAMQID(i,t) (((i)<<5)|(t)) #define PUTNEXT(q,b) (*(q)->next->put)((q)->next, b) #define BLEN(b) ((b)->wptr - (b)->rptr) #define QFULL(q) ((q)->flag & QHIWAT) #define FLOWCTL(q) { if(QFULL(q->next)) flowctl(q); }                  /* * stream file qid's & high water mark */ enum { Shighqid = STREAMQID(1,0) - 1, Sdataqid = Shighqid, Sctlqid = Sdataqid-1, Slowqid = Sctlqid, Streamhi= (9*1024), /* byte count high water mark */ Streambhi= 32, /* block count high water mark */ };
1990/1231		/* * Ethernet packet buffers. */ struct Etherpkt { uchar d[6]; uchar s[6]; uchar type[2]; uchar data[1500]; uchar crc[4]; };
1991/0407		#define ETHERMINTU 60 /* minimum transmit size */ #define ETHERMAXTU 1514 /* maximum transmit size */ #define ETHERHDRSIZE 14 /* size of an ethernet header */
1990/1231
1990/1223		#define NSTUB 32 struct Service { Ref; Service *next; QLock alock; int die; Chan *inc; Chan *outc; char name[NAMELEN]; };
1991/0109		/* * LANCE CSR3 (bus control bits) */ #define BSWP 0x4
1991/0427/sys/src/9/ss/dat.h:571,676 – 1991/0428/sys/src/9/ss/dat.h:192,198
1990/1231		Etherpkt *ltp; /* transmit buffers (lance address) */ };
1990/1223		#define PRINTSIZE 256
1990/1226		extern register Mach *m; /* R6 */ extern register User *u; /* R5 */
1990/1223		/* * Process states */ enum { Dead = 0, Moribund, Zombie, Ready, Scheding, Running, Queueing, MMUing, Exiting, Inwait, Wakeme, Broken, }; extern char *statename[];                  /* * Chan flags */ #define COPEN 1 /* for i/o */ #define CMOUNT 2 /* is result of a mount/bind */ #define CCREATE 4 /* permits creation if CMOUNT */ #define CCEXEC 8 /* close on exec */ #define CFREE 16 /* not in use */                  /* * Proc.time */ enum { TUser, TSys, TReal, TCUser, TCSys, TCReal, };                  /* * floating point registers */ enum { FPinit, FPactive,
1991/01151		FPinactive,
1990/1223		};                  /* * Memory management */ #define SSEG 0 #define TSEG 1 #define DSEG 2 #define BSEG 3 #define ESEG 4 /* used by exec to build new stack */                  #define OWRPERM 0x01 /* write permission */ #define OPURE 0x02 /* original data mustn't be written */ #define OCACHED 0x04 /* cached; don't discard on exit */                  /* * Access types in namec */ enum { Aaccess, /* as in access, stat */ Atodir, /* as in chdir */ Aopen, /* for i/o */ Amount, /* to be mounted upon */ Acreate, /* file is to be created */ };                  #define NUMSIZE 12 /* size of formatted number */                  #define MACHP(n) (n==0? &mach0 : *(Mach**)0)                  extern Conf conf; extern ulong initcode[]; extern Dev devtab[]; extern char devchar[]; extern FPsave initfp; extern Mach mach0; extern char user[NAMELEN]; extern char *errstrtab[];
1991/0110		extern uchar *intrreg;
1990/1223		extern void (*kprofp)(ulong);                  /* * parameters for sysproc.c */
1990/1226		#define AOUT_MAGIC K_MAGIC
1990/1223		#define ENTRYOFFSET 0
1991/0428/sys/src/9/ss/dat.h:6,12 – 1991/0507/sys/src/9/ss/dat.h:6,12 (short | long)
1990/1231		typedef struct Lancemem Lancemem;
1990/1223		typedef struct Label Label; typedef struct Lock Lock; typedef struct MMU MMU;
1991/0507		typedef struct PMMU PMMU;
1990/1223		typedef struct Mach Mach; typedef struct Ureg Ureg; typedef struct User User;
1991/0428/sys/src/9/ss/dat.h:93,98 – 1991/0507/sys/src/9/ss/dat.h:93,107
1990/1223		int nfsyschan; /* number of filsys open channels */ ulong maxialloc; /* maximum bytes used by ialloc */ int copymode; /* 0 is copy on write, 1 is copy on reference */
1991/0507		}; /* * mmu goo in the Proc structure */ struct PMMU { int pidonmach[MAXMACH]; int nmmuseg; /* number of segments active in mmu */
1990/1223		};
1991/0428		#include "../port/portdat.h"
1991/0507/sys/src/9/ss/dat.h:1,6 – 1991/0604/sys/src/9/ss/dat.h:1,8 (short | long)
1990/1223		typedef struct Conf Conf; typedef struct FFrame FFrame; typedef struct FPsave FPsave;
1991/0604		typedef struct IOQ IOQ; typedef struct KIOQ KIOQ;
1990/1223		typedef struct KMap KMap;
1990/1231		typedef struct Lance Lance; typedef struct Lancemem Lancemem;
1991/0507/sys/src/9/ss/dat.h:107,112 – 1991/0604/sys/src/9/ss/dat.h:109,146
1991/0428		#include "../port/portdat.h"
1990/1223
1991/0428		/*
1991/0604		* character based IO (mouse, keyboard, console screen) */ #define NQ 4096 struct IOQ { Lock; uchar buf[NQ]; uchar *in; uchar *out; int state; Rendez r; union{ void (*puts)(IOQ*, void*, int); /* output */ int (*putc)(IOQ*, int); /* input */ }; void *ptr; }; struct KIOQ { QLock; IOQ; int repeat; int c; int count; }; extern IOQ lineq; extern IOQ printq; extern IOQ mouseq; extern KIOQ kbdq; /*
1991/0428		* machine dependent definitions not used by ../port/dat.h */
1990/1223		struct KMap
1991/0507/sys/src/9/ss/dat.h:205,207 – 1991/0604/sys/src/9/ss/dat.h:239,248
1990/1226		extern register User *u; /* R5 */
1990/1223
1991/0110		extern uchar *intrreg;
1991/0604		struct { Lock; short machs; short exiting; }active;
1991/0604/sys/src/9/ss/dat.h:1,8 – 1991/0606/sys/src/9/ss/dat.h:1,6 (short | long)
1990/1223		typedef struct Conf Conf; typedef struct FFrame FFrame; typedef struct FPsave FPsave;
1991/0604		typedef struct IOQ IOQ; typedef struct KIOQ KIOQ;
1990/1223		typedef struct KMap KMap;
1990/1231		typedef struct Lance Lance; typedef struct Lancemem Lancemem;
1991/0604/sys/src/9/ss/dat.h:109,146 – 1991/0606/sys/src/9/ss/dat.h:107,112
1991/0428		#include "../port/portdat.h"
1990/1223
1991/0428		/*
1991/0604		* character based IO (mouse, keyboard, console screen) */ #define NQ 4096 struct IOQ { Lock; uchar buf[NQ]; uchar *in; uchar *out; int state; Rendez r; union{ void (*puts)(IOQ*, void*, int); /* output */ int (*putc)(IOQ*, int); /* input */ }; void *ptr; }; struct KIOQ { QLock; IOQ; int repeat; int c; int count; };                  extern IOQ lineq; extern IOQ printq; extern IOQ mouseq; extern KIOQ kbdq;                  /*
1991/0428		* machine dependent definitions not used by ../port/dat.h */
1990/1223		struct KMap
1991/0604/sys/src/9/ss/dat.h:246,248 – 1991/0606/sys/src/9/ss/dat.h:212,249
1991/0604		short machs; short exiting; }active;
1991/0606		/* * character based IO (mouse, keyboard, console screen) */ typedef struct IOQ IOQ; typedef struct KIOQ KIOQ; #define NQ 4096 struct IOQ { Lock; uchar buf[NQ]; uchar *in; uchar *out; int state; Rendez r; union{ void (*puts)(IOQ*, void*, int); /* output */ int (*putc)(IOQ*, int); /* input */ }; void *ptr; }; struct KIOQ { QLock; IOQ; int repeat; int c; int count; }; extern IOQ lineq; extern IOQ printq; extern IOQ mouseq; extern KIOQ kbdq;
1991/0606/sys/src/9/ss/dat.h:212,249 – 1991/0607/sys/src/9/ss/dat.h:212,214 (short | long)
1991/0604		short machs; short exiting; }active;
1991/0606		/* * character based IO (mouse, keyboard, console screen) */ typedef struct IOQ IOQ; typedef struct KIOQ KIOQ; #define NQ 4096 struct IOQ { Lock; uchar buf[NQ]; uchar *in; uchar *out; int state; Rendez r; union{ void (*puts)(IOQ*, void*, int); /* output */ int (*putc)(IOQ*, int); /* input */ }; void *ptr; }; struct KIOQ { QLock; IOQ; int repeat; int c; int count; };                  extern IOQ lineq; extern IOQ printq; extern IOQ mouseq; extern KIOQ kbdq;
1991/0607/sys/src/9/ss/dat.h:93,98 – 1991/0608/sys/src/9/ss/dat.h:93,99 (short | long)
1990/1223		int nfsyschan; /* number of filsys open channels */ ulong maxialloc; /* maximum bytes used by ialloc */ int copymode; /* 0 is copy on write, 1 is copy on reference */
1991/0608		int cntrlp; /* panic on ^P */
1991/0507		}; /*
1991/0608/sys/src/9/ss/dat.h:64,72 – 1991/0706/sys/src/9/ss/dat.h:64,73 (short | long)
1990/1223		ulong base0; /* base of bank 0 */ ulong base1; /* base of bank 1 */ ulong npage; /* total physical pages of memory */ ulong norig; /* origins */ ulong npte; /* contiguous page table entries */ ulong nmod; /* single (modifying) page table entries */
1991/0706		ulong nseg; /* number of segments */ ulong nimage; /* number of page cache image headers */ ulong npagetab; /* number of pte tables */ ulong nswap; /* number of swap blocks */
1990/1223		int nalarm; /* alarms */ int nchan; /* channels */ int nenv; /* distinct environment values */
1991/0608/sys/src/9/ss/dat.h:147,153 – 1991/0706/sys/src/9/ss/dat.h:148,153
1990/1223		#define NERR 15 #define NNOTE 5 #define NFD 100 struct User { Proc *p;
1991/0608/sys/src/9/ss/dat.h:158,165 – 1991/0706/sys/src/9/ss/dat.h:158,163
1990/1223		char elem[NAMELEN]; /* last name element from namec */ Chan *slash; Chan *dot; Chan *fd[NFD]; int maxfd; /* highest fd in use */ /* * Rest of structure controlled by devproc.c and friends. * lock(&p->debug) to modify.
Too many diffs (26 > 25). Stopping.