Defined base numbers for DEV_ request and response types.

Defined response codes: DEV_REPLY, DEV_CLONED, DEV_REVIVE, DEV_IO_READY

diff --git a/include/minix/com.h b/include/minix/com.h
index dae605417e778291f323cdb53f3f04946b942e35..6d86a458f89a6f679741496ad8ce20e257f3605a 100755 (executable)
--- a/include/minix/com.h
+++ b/include/minix/com.h
@@ -34,21 +34,22 @@
 /* User-level processes, that is, device drivers, servers, and INIT. */
 #define PM_PROC_NR      0      /* process manager */
 #define FS_PROC_NR      1      /* file system */
+#define SM_PROC_NR      2      /* system service manager */
 #define IS_PROC_NR      5      /* information server */
 #define TTY             6      /* terminal (TTY) driver */
 #define MEMORY          8      /* memory driver (RAM disk, null, etc.) */
 #define AT_WINI                (MEMORY + ENABLE_AT_WINI)       /* AT Winchester */
 #define FLOPPY         (AT_WINI + ENABLE_FLOPPY)       /* floppy disk */
 #define PRINTER                (FLOPPY + ENABLE_PRINTER)       /* Centronics */
-#define USR8139                (PRINTER + ENABLE_RTL8139)      /* Realtek RTL8139 */
-#define FXP            (USR8139 + ENABLE_FXP)  /* Intel Pro/100 */
+#define RTL8139                (PRINTER + ENABLE_RTL8139)      /* Realtek RTL8139 */
+#define FXP            (RTL8139 + ENABLE_FXP)  /* Intel Pro/100 */
 #define DPETH          (FXP + ENABLE_DPETH)    /* ISA Network task */
 #define LOG_PROC_NR    (DPETH + ENABLE_LOG)    /* log device */
 #define INIT_PROC_NR   (LOG_PROC_NR + 1)       /* init -- goes multiuser */
 
 /* Number of processes contained in the system image. */
 #define NR_BOOT_PROCS  (NR_TASKS + \
-                       5 + ENABLE_AT_WINI + ENABLE_FLOPPY + \
+                       6 + ENABLE_AT_WINI + ENABLE_FLOPPY + \
                        ENABLE_PRINTER + ENABLE_RTL8139 + ENABLE_FXP + \
                        ENABLE_DPETH + ENABLE_LOG + 1 ) 
 
@@ -63,7 +64,8 @@
  * blocking notifications are delivered. The lowest numbers go first. The
  * offset are used for the per-process notification bit maps. 
  */
-#define NOTIFY_FROM(p_nr)       (0x1000 | ((p_nr) + NR_TASKS)) 
+#define NOTIFY_MESSAGE           0x1000
+#define NOTIFY_FROM(p_nr)       (NOTIFY_MESSAGE | ((p_nr) + NR_TASKS)) 
 #  define SYN_ALARM    NOTIFY_FROM(CLOCK)      /* synchronous alarm */
 #  define SYS_EVENT    NOTIFY_FROM(SYSTEM)     /* signal system event */
 #  define HARD_INT     NOTIFY_FROM(HARDWARE)   /* hardware interrupt */
@@ -71,7 +73,6 @@
 #  define FKEY_PRESSED NOTIFY_FROM(TTY)        /* function key press */
 
 #define NOTIFICATION             0x800         /* flag for notifications */
-#  define HARD_STOP    (NOTIFICATION | 4)      /* system shutdown */ 
 #  define DEV_SELECTED (NOTIFICATION | 5)      /* select() notification */
 #define NR_NOTIFY_TYPES               6        /* nr of bits in mask */
 
@@ -83,10 +84,21 @@
 #define NOTIFY_FLAGS           m2_i1
 
 
+/*===========================================================================*
+ *                Messages for system management server                     *
+ *===========================================================================*/
+
+#define START_SERVICE  0
+#define STOP_SERVICE   1
+
+
 /*===========================================================================*
  *                Messages for BLOCK and CHARACTER device drivers           *
  *===========================================================================*/
 
+#define DEV_RQ_BASE   0x400    /* base for device request types */
+#define DEV_RS_BASE   0x500    /* base for device response types */
+
 #define CANCEL          0      /* general req to force a task to cancel */
 #define DEV_READ        3      /* fcn code for reading from tty */
 #define DEV_WRITE       4      /* fcn code for writing to tty */
@@ -98,6 +110,13 @@
 #define TTY_SETPGRP    10      /* fcn code for setpgroup */
 #define TTY_EXIT       11      /* a process group leader has exited */ 
 #define DEV_SELECT     12      /* request select() attention */
+#define DEV_STATUS     (DEV_RQ_BASE + 13)      /* request driver status */
+
+#define DEV_REPLY       (DEV_RS_BASE + 0)      /* general task reply */
+#define DEV_CLONED      (DEV_RS_BASE + 1)      /* return cloned minor */
+#define DEV_REVIVE      (DEV_RS_BASE + 2)      /* driver revives process */
+#define DEV_IO_READY    (DEV_RS_BASE + 3)      /* selected device ready */
+
 #define SUSPEND                -998    /* used in interrupts when tty has no data */
 
 /* Field names for messages to block and character device drivers. */
@@ -206,6 +225,8 @@
  * modifying the system call numbers. The numbers here determine which call
  * is made from the call vector.
  */ 
+#define KERNEL_CALL    0x600   /* base for kernel calls to SYSTEM */ 
+
 #  define SYS_TIMES     0      /* sys_times(proc_nr, bufptr) */
 #  define SYS_EXIT      1      /* sys_exit(parent, proc) */
 #  define SYS_GETKSIG    2     /* sys_getsig(proc_nr, sig_map) */