From: Philip Homburg <philip@cs.vu.nl>
Date: Fri, 21 Oct 2005 17:09:08 +0000 (+0000)
Subject: Crash recovery changes.
X-Git-Tag: v3.1.2a~560
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=589e147ee3384f9a4157a428c09949eb929d7ede;p=minix.git

Crash recovery changes.
---

diff --git a/drivers/dp8390/dp8390.c b/drivers/dp8390/dp8390.c
index ea1e0db80..6aa36294f 100644
--- a/drivers/dp8390/dp8390.c
+++ b/drivers/dp8390/dp8390.c
@@ -62,6 +62,7 @@
 
 static dpeth_t de_table[DE_PORT_NR];
 static u16_t eth_ign_proto;
+static char *progname;
 
 /* Configuration */
 typedef struct dp_conf
@@ -111,6 +112,7 @@ _PROTOTYPE( static void do_vread, (message *mp, int vectored)		);
 _PROTOTYPE( static void do_init, (message *mp)				);
 _PROTOTYPE( static void do_int, (dpeth_t *dep)				);
 _PROTOTYPE( static void do_getstat, (message *mp)			);
+_PROTOTYPE( static void do_getname, (message *mp)			);
 _PROTOTYPE( static void do_stop, (message *mp)				);
 _PROTOTYPE( static void dp_init, (dpeth_t *dep)				);
 _PROTOTYPE( static void dp_confaddr, (dpeth_t *dep)			);
@@ -169,10 +171,17 @@ _PROTOTYPE( static void do_vir_outsw, (port_t port, int proc,
 int main(int argc, char *argv[])
 {
 	message m;
-	int i, irq, r;
+	int i, irq, r, tasknr;
 	dpeth_t *dep;
 	long v;
 
+	if (argc < 1)
+	{
+		panic("DP8390",
+			"A head which at this time has no name", NO_NUM);
+	}
+	(progname=strrchr(argv[0],'/')) ? progname++ : (progname=argv[0]);
+
 	env_setargs(argc, argv);
 
 	for (i= 0, dep= de_table; i<DE_PORT_NR; i++, dep++)
@@ -185,6 +194,11 @@ int main(int argc, char *argv[])
 	(void) env_parse("ETH_IGN_PROTO", "x", 0, &v, 0x0000L, 0xFFFFL);
 	eth_ign_proto= htons((u16_t) v);
 
+	/* Try to notify inet that we are present (again) */
+	r = findproc("inet", &tasknr);
+	if (r == OK)
+		notify(tasknr);
+
 	while (TRUE)
 	{
 		if ((r= receive(ANY, &m)) != OK)
@@ -199,6 +213,7 @@ int main(int argc, char *argv[])
 		case DL_READV:	do_vread(&m, TRUE);		break;
 		case DL_INIT:	do_init(&m);			break;
 		case DL_GETSTAT: do_getstat(&m);		break;
+		case DL_GETNAME: do_getname(&m); 		break;
 		case DL_STOP:	do_stop(&m);			break;
 		case HARD_INT:
 			for (i= 0, dep= &de_table[0]; i<DE_PORT_NR; i++, dep++)
@@ -644,6 +659,22 @@ message *mp;
 	reply(dep, OK, FALSE);
 }
 
+/*===========================================================================*
+ *				do_getname				     *
+ *===========================================================================*/
+static void do_getname(mp)
+message *mp;
+{
+	int r;
+
+	strncpy(mp->DL_NAME, progname, sizeof(mp->DL_NAME));
+	mp->DL_NAME[sizeof(mp->DL_NAME)-1]= '\0';
+	mp->m_type= DL_NAME_REPLY;
+	r= send(mp->m_source, mp);
+	if (r != OK)
+		panic("dp8390", "do_getname: send failed: %d\n", r);
+}
+
 /*===========================================================================*
  *				do_stop					     *
  *===========================================================================*/
@@ -1861,7 +1892,7 @@ void *loc_addr;
 u8_t inb(port_t port)
 {
 	int r;
-	u8_t value;
+	u32_t value;
 
 	r= sys_inb(port, &value);
 	if (r != OK)
diff --git a/drivers/dpeth/dp.c b/drivers/dpeth/dp.c
index 28e2a3cbc..1aaadee1d 100644
--- a/drivers/dpeth/dp.c
+++ b/drivers/dpeth/dp.c
@@ -64,6 +64,7 @@
 */
 extern int errno;
 static dpeth_t de_table[DE_PORT_NR];
+static char *progname;
 
 typedef struct dp_conf {	/* Configuration description structure */
   port_t dpc_port;
@@ -87,6 +88,8 @@ static const char SizeErrMsg[] = "illegal packet size";
 static const char TypeErrMsg[] = "illegal message type";
 static const char DevName[] = "eth#?";
 
+static void do_getname(message *mp);
+
 /*
 **  Name:	void reply(dpeth_t *dep, int err)
 **  Function:	Fills a DL_TASK_REPLY reply message and sends it.
@@ -502,6 +505,19 @@ static void do_getstat(message * mp)
   return;
 }
 
+static void do_getname(mp)
+message *mp;
+{
+	int r;
+
+	strncpy(mp->DL_NAME, progname, sizeof(mp->DL_NAME));
+	mp->DL_NAME[sizeof(mp->DL_NAME)-1]= '\0';
+	mp->m_type= DL_NAME_REPLY;
+	r= send(mp->m_source, mp);
+	if (r != OK)
+		panic("dpeth", "do_getname: send failed: %d\n", r);
+}
+
 /*
 **  Name:	void do_stop(message *mp)
 **  Function:	Stops network interface.
@@ -541,7 +557,9 @@ PUBLIC int main(int argc, char **argv)
 {
   message m;
   dpeth_t *dep;
-  int rc, fkeys, sfkeys;
+  int rc, fkeys, sfkeys, tasknr;
+
+  (progname=strrchr(argv[0],'/')) ? progname++ : (progname=argv[0]);
 
   env_setargs(argc, argv);
 
@@ -560,6 +578,11 @@ PUBLIC int main(int argc, char **argv)
   }
 #endif
 
+  /* Try to notify inet that we are present (again) */
+  rc = findproc("inet", &tasknr);
+  if (rc == OK)
+	notify(tasknr);
+
   while (TRUE) {
 	if ((rc = receive(ANY, &m)) != OK) panic(dep->de_name, RecvErrMsg, rc);
 
@@ -587,6 +610,9 @@ PUBLIC int main(int argc, char **argv)
 	    case DL_GETSTAT:	/* Get device statistics */
 		do_getstat(&m);
 		break;
+	    case DL_GETNAME:
+		do_getname(&m);
+		break;
 	    case SYN_ALARM:	/* to be defined */
 		do_watchdog(&m);
 		break;