Add a new field, id_config_attr to the struct isa_device.

It will be later used to store some flags to control PnP device
configurations.

3 files changed, 14 insertions, 1 deletions

diff --git a/sys/isa/isa_common.c b/sys/isa/isa_common.c
index 6d87b7a..22677e3 100644
--- a/sys/isa/isa_common.c
+++ b/sys/isa/isa_common.c
@@ -748,6 +748,10 @@ isa_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result)
 		*result = idev->id_compatid;
 		break;
 
+	case ISA_IVAR_CONFIGATTR:
+		*result = idev->id_config_attr;
+		break;
+
 	default:
 		return ENOENT;
 	}
@@ -792,6 +796,10 @@ isa_write_ivar(device_t bus, device_t dev,
 		idev->id_compatid = value;
 		break;
 
+	case ISA_IVAR_CONFIGATTR:
+		idev->id_config_attr = value;
+		break;
+
 	default:
 		return (ENOENT);
 	}
diff --git a/sys/isa/isa_common.h b/sys/isa/isa_common.h
index 70b8b33..b940d14 100644
--- a/sys/isa/isa_common.h
+++ b/sys/isa/isa_common.h
@@ -57,6 +57,9 @@ struct isa_device {
 	struct isa_config_list	id_configs; /* pnp config alternatives */
 	isa_config_cb		*id_config_cb; /* callback function */
 	void			*id_config_arg;	/* callback argument */
+	int			id_config_attr;	/* pnp config attributes */
+#define ISACFGATTR_CANDISABLE	(1 << 0)	/* can be disabled */
+#define ISACFGATTR_DYNAMIC	(1 << 1)	/* dynamic configuration */
 };
 
 #define DEVTOISA(dev)	((struct isa_device *) device_get_ivars(dev))
diff --git a/sys/isa/isavar.h b/sys/isa/isavar.h
index 856b519..d81685c 100644
--- a/sys/isa/isavar.h
+++ b/sys/isa/isavar.h
@@ -123,7 +123,8 @@ enum isa_device_ivars {
 	ISA_IVAR_VENDORID,
 	ISA_IVAR_SERIAL,
 	ISA_IVAR_LOGICALID,
-	ISA_IVAR_COMPATID
+	ISA_IVAR_COMPATID,
+	ISA_IVAR_CONFIGATTR
 };
 
 /*
@@ -154,6 +155,7 @@ ISA_ACCESSOR(vendorid, VENDORID, int)
 ISA_ACCESSOR(serial, SERIAL, int)
 ISA_ACCESSOR(logicalid, LOGICALID, int)
 ISA_ACCESSOR(compatid, COMPATID, int)
+ISA_ACCESSOR(configattr, CONFIGATTR, int)
 
 extern intrmask_t isa_irq_pending(void);
 extern void	isa_probe_children(device_t dev);