Merge from PAO; Add new keywords for pccard.conf, auto and default.

This will help importing pccard entries (and users :) from PAO
into -CURRENT.

usr.sbin/pccard/pccardd/cardd.c

@@ -60,9 +60,21 @@ dump_config_file(void)
 	for (cp = cards; cp; cp = cp->next) {
 		printf("Card manuf %s, vers %s\n", cp->manuf, cp->version);
 		printf("Configuration entries:\n");
-		for (confp = cp->config; confp; confp = confp->next)
-			printf("\tIndex code = 0x%x, driver name = %s\n",
-			    confp->index, confp->driver->name);
+		for (confp = cp->config; confp; confp = confp->next) {
+			printf("\tIndex code = ");
+			switch (confp->index_type) {
+			case DEFAULT_INDEX:
+				printf("default");
+				break;
+			case AUTO_INDEX:
+				printf("auto");
+				break;
+			default:
+				printf("0x%x", confp->index);
+				break;
+			}
+			printf(", driver name = %s\n", confp->driver->name);
+		}
 		if (cp->insert) {
 			printf("Insert commands are:\n");
 			pr_cmd(cp->insert);
@@ -391,6 +403,30 @@ assign_driver(struct card *cp)
 	return (conf);
 }
 
+/*
+ *	Auto select config index
+ */
+static struct cis_config *
+assign_card_index(struct cis * cis)
+{
+	struct cis_config *cp;
+	struct cis_ioblk *cio;
+	int i;
+
+	for (cp = cis->conf; cp; cp = cp->next) {
+		if (!cp->iospace || !cp->io)
+			continue;
+		for (cio = cp->io; cio; cio = cio->next) {
+			for (i = cio->addr; i < cio->addr + cio->size - 1; i++)
+				if (!bit_test(io_avail, i))
+					goto next;
+		}
+		return cp;	/* found */
+	next:
+	}
+	return cis->def_config;
+}
+
 /*
  *	assign_io - Allocate resources to slot matching the
  *	configuration index selected.
@@ -403,9 +439,21 @@ assign_io(struct slot *sp)
 
 	cis = sp->cis;
 	defconf = cis->def_config;
-	for (cisconf = cis->conf; cisconf; cisconf = cisconf->next)
-		if (cisconf->id == sp->config->index)
-			break;
+	switch (sp->config->index_type) {
+	case DEFAULT_INDEX:	/* default */
+		cisconf = defconf;
+		sp->config->index = cisconf->id;
+		break;
+	case AUTO_INDEX:	/* auto */
+		cisconf = assign_card_index(cis);
+		sp->config->index = cisconf->id;
+		break;
+	default:		/* normal, use index value */
+		for (cisconf = cis->conf; cisconf; cisconf = cisconf->next)
+			if (cisconf->id == sp->config->index)
+				break;
+	}
+
 	if (cisconf == 0) {
 		logmsg("Config id %d not present in this card",
 		    sp->config->index);

usr.sbin/pccard/pccardd/cardd.h

@@ -46,6 +46,7 @@ struct cmd {
 
 struct card_config {
 	struct card_config *next;
+	unsigned char index_type;
 	unsigned char index;
 	struct driver *driver;
 	int     irq;
@@ -172,3 +173,11 @@ void		 readfile(char *);
 #define	BIT2MEM(x) (((x)*MEMUNIT)+MEMSTART)
 
 #define MAXINCLUDES	10
+
+/*
+ * Config index types
+ */
+#define NORMAL_INDEX	0
+#define DEFAULT_INDEX	1
+#define AUTO_INDEX	2
+

usr.sbin/pccard/pccardd/file.c

@@ -87,6 +87,7 @@ static int     num_tok(void);
 static void    error(char *);
 static int     keyword(char *);
 static int     irq_tok(int);
+static int     config_tok(unsigned char *);
 static int     debuglevel_tok(int);
 static struct allocblk *ioblk_tok(int);
 static struct allocblk *memblk_tok(int);
@@ -214,6 +215,7 @@ static void
 parse_card(void)
 {
 	char   *man, *vers, *tmp;
+	unsigned char index_type;
 	struct card *cp;
 	int     i, iosize;
 	struct card_config *confp, *lastp;
@@ -232,7 +234,7 @@ parse_card(void)
 		switch (keyword(next_tok())) {
 		case KWD_CONFIG:
 			/* config */
-			i = num_tok();
+			i = config_tok(&index_type);
 			if (i == -1) {
 				error("illegal card config index");
 				break;
@@ -251,6 +253,7 @@ parse_card(void)
 				break;
 			}
 			confp->index = i & 0x3F;
+			confp->index_type = index_type;
 
 			/*
 			 * If no valid driver for this config, then do not save
@@ -439,6 +442,26 @@ irq_tok(int force)
 	return (-1);
 }
 
+/*
+ *	Config index token
+ */
+static int
+config_tok(unsigned char *index_type)
+{
+	if (strcmp("default", next_tok()) == 0)	{
+		*index_type = DEFAULT_INDEX;
+		return 0;
+	}
+	pusht = 1;
+	if (strcmp("auto", next_tok()) == 0) {
+		*index_type = AUTO_INDEX;
+		return 0;
+	}
+	pusht = 1;
+	*index_type = NORMAL_INDEX;
+	return num_tok();
+}
+
 /*
  *	debuglevel token. Must be between 0 and 9.
  */

usr.sbin/pccard/pccardd/pccard.conf.5

@@ -147,6 +147,11 @@ from the range available in the card's CIS, the driver that
 is to be associated with this configuration, and the interrupt
 level (if any) to be assigned. An optional set of flags may
 be assigned.
+In
+.Ar index ,
+specify either ``auto'' or ``default'' or the range available in the card's CIS.
+``auto'' allows to allocate resources automatically with information
+from the CIS and status of using I/O resources.
 .Pp
 The optional
 .Em ether