Differential D7493 Diff 19486 head/sys/kern/subr_bus.c

Changeset View

Standalone View

head/sys/kern/subr_bus.c

Show First 20 Lines • Show All 3,945 Lines • ▼ Show 20 Lines	TAILQ_FOREACH(child, &dev->children, link) {
if (child->state >= DS_ATTACHED)		if (child->state >= DS_ATTACHED)
BUS_NEW_PASS(child);		BUS_NEW_PASS(child);
else if (child->state == DS_NOTPRESENT)		else if (child->state == DS_NOTPRESENT)
device_probe_and_attach(child);		device_probe_and_attach(child);
}		}
}		}

/**		/**
* @brief Helper function for implementing BUS_MAP_INTR().
*
* This simple implementation of BUS_MAP_INTR() simply calls the
* BUS_MAP_INTR() method of the parent of @p dev.
*/
int
bus_generic_map_intr(device_t dev, device_t child, int rid, rman_res_t start,
rman_res_t end, rman_res_t count, struct intr_map_data **imd)
{
/* Propagate up the bus hierarchy until someone handles it. */
if (dev->parent)
return (BUS_MAP_INTR(dev->parent, child, rid, start, end, count,
imd));
return (EINVAL);
}

/**
* @brief Helper function for implementing BUS_SETUP_INTR().		* @brief Helper function for implementing BUS_SETUP_INTR().
*		*
* This simple implementation of BUS_SETUP_INTR() simply calls the		* This simple implementation of BUS_SETUP_INTR() simply calls the
* BUS_SETUP_INTR() method of the parent of @p dev.		* BUS_SETUP_INTR() method of the parent of @p dev.
*/		*/
int		int
bus_generic_setup_intr(device_t dev, device_t child, struct resource *irq,		bus_generic_setup_intr(device_t dev, device_t child, struct resource *irq,
int flags, driver_filter_t filter, driver_intr_t intr, void *arg,		int flags, driver_filter_t filter, driver_intr_t intr, void *arg,
▲ Show 20 Lines • Show All 438 Lines • ▼ Show 20 Lines	bus_release_resources(device_t dev, const struct resource_spec *rs,
for (i = 0; rs[i].type != -1; i++)		for (i = 0; rs[i].type != -1; i++)
if (res[i] != NULL) {		if (res[i] != NULL) {
bus_release_resource(		bus_release_resource(
dev, rs[i].type, rs[i].rid, res[i]);		dev, rs[i].type, rs[i].rid, res[i]);
res[i] = NULL;		res[i] = NULL;
}		}
}		}

#ifdef INTRNG
/**		/**
* @internal
*
* This can be converted to bus method later. (XXX)
*/
static struct intr_map_data *
bus_extend_resource(device_t dev, int type, int rid, rman_res_t start,
rman_res_t end, rman_res_t count)
{
struct intr_map_data *imd;
struct resource_list *rl;
int rv;

if (dev->parent == NULL)
return (NULL);
if (type != SYS_RES_IRQ)
return (NULL);

if (!RMAN_IS_DEFAULT_RANGE(start, end))
return (NULL);
rl = BUS_GET_RESOURCE_LIST(dev->parent, dev);
if (rl != NULL) {
if (resource_list_find(rl, type, *rid) != NULL)
return (NULL);
}
rv = BUS_MAP_INTR(dev->parent, dev, rid, start, end, count, &imd);
if (rv != 0)
return (NULL);
if (rl != NULL)
resource_list_add(rl, type, rid, start, end, count);
return (imd);
}
#endif

/**
* @brief Wrapper function for BUS_ALLOC_RESOURCE().		* @brief Wrapper function for BUS_ALLOC_RESOURCE().
*		*
* This function simply calls the BUS_ALLOC_RESOURCE() method of the		* This function simply calls the BUS_ALLOC_RESOURCE() method of the
* parent of @p dev.		* parent of @p dev.
*/		*/
struct resource *		struct resource *
bus_alloc_resource(device_t dev, int type, int *rid, rman_res_t start,		bus_alloc_resource(device_t dev, int type, int *rid, rman_res_t start,
rman_res_t end, rman_res_t count, u_int flags)		rman_res_t end, rman_res_t count, u_int flags)
{		{
struct resource *res;		struct resource *res;
#ifdef INTRNG
struct intr_map_data *imd;
#endif

if (dev->parent == NULL)		if (dev->parent == NULL)
return (NULL);		return (NULL);

#ifdef INTRNG
imd = bus_extend_resource(dev, type, rid, &start, &end, &count);
#endif
res = BUS_ALLOC_RESOURCE(dev->parent, dev, type, rid, start, end,		res = BUS_ALLOC_RESOURCE(dev->parent, dev, type, rid, start, end,
count, flags);		count, flags);
#ifdef INTRNG
if (imd != NULL) {
if (res != NULL && rman_get_virtual(res) == NULL)
rman_set_virtual(res, imd);
else
imd->destruct(imd);
}
#endif
return (res);		return (res);
}		}

/**		/**
* @brief Wrapper function for BUS_ADJUST_RESOURCE().		* @brief Wrapper function for BUS_ADJUST_RESOURCE().
*		*
* This function simply calls the BUS_ADJUST_RESOURCE() method of the		* This function simply calls the BUS_ADJUST_RESOURCE() method of the
* parent of @p dev.		* parent of @p dev.
▲ Show 20 Lines • Show All 70 Lines • ▼ Show 20 Lines
*		*
* This function simply calls the BUS_RELEASE_RESOURCE() method of the		* This function simply calls the BUS_RELEASE_RESOURCE() method of the
* parent of @p dev.		* parent of @p dev.
*/		*/
int		int
bus_release_resource(device_t dev, int type, int rid, struct resource *r)		bus_release_resource(device_t dev, int type, int rid, struct resource *r)
{		{
int rv;		int rv;
#ifdef INTRNG
struct intr_map_data *imd;
#endif

if (dev->parent == NULL)		if (dev->parent == NULL)
return (EINVAL);		return (EINVAL);

#ifdef INTRNG
imd = (type == SYS_RES_IRQ) ? rman_get_virtual(r) : NULL;
#endif
rv = BUS_RELEASE_RESOURCE(dev->parent, dev, type, rid, r);		rv = BUS_RELEASE_RESOURCE(dev->parent, dev, type, rid, r);
#ifdef INTRNG
if (imd != NULL)
imd->destruct(imd);
#endif
return (rv);		return (rv);
}		}

/**		/**
* @brief Wrapper function for BUS_SETUP_INTR().		* @brief Wrapper function for BUS_SETUP_INTR().
*		*
* This function simply calls the BUS_SETUP_INTR() method of the		* This function simply calls the BUS_SETUP_INTR() method of the
* parent of @p dev.		* parent of @p dev.
▲ Show 20 Lines • Show All 1,038 Lines • Show Last 20 Lines