Differential D5237 Diff 16635 head/sys/kern/subr_bus.c

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head/sys/kern/subr_bus.c

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#include <sys/cpuset.h>		#include <sys/cpuset.h>

#include <net/vnet.h>		#include <net/vnet.h>

#include <machine/cpu.h>		#include <machine/cpu.h>
#include <machine/stdarg.h>		#include <machine/stdarg.h>

#include <vm/uma.h>		#include <vm/uma.h>
		#include <vm/vm.h>

SYSCTL_NODE(_hw, OID_AUTO, bus, CTLFLAG_RW, NULL, NULL);		SYSCTL_NODE(_hw, OID_AUTO, bus, CTLFLAG_RW, NULL, NULL);
SYSCTL_ROOT_NODE(OID_AUTO, dev, CTLFLAG_RW, NULL, NULL);		SYSCTL_ROOT_NODE(OID_AUTO, dev, CTLFLAG_RW, NULL, NULL);

/*		/*
* Used to attach drivers to devclasses.		* Used to attach drivers to devclasses.
*/		*/
typedef struct driverlink *driverlink_t;		typedef struct driverlink *driverlink_t;
▲ Show 20 Lines • Show All 2,971 Lines • ▼ Show 20 Lines	device_set_unit(device_t dev, int unit)
return (0);		return (0);
}		}

/======================================/		/======================================/
/*		/*
* Some useful method implementations to make life easier for bus drivers.		* Some useful method implementations to make life easier for bus drivers.
*/		*/

		void
		resource_init_map_request_impl(struct resource_map_request *args, size_t sz)
		{

		bzero(args, sz);
		args->size = sz;
		args->memattr = VM_MEMATTR_UNCACHEABLE;
		}

/**		/**
* @brief Initialise a resource list.		* @brief Initialise a resource list.
*		*
* @param rl the resource list to initialise		* @param rl the resource list to initialise
*/		*/
void		void
resource_list_init(struct resource_list *rl)		resource_list_init(struct resource_list *rl)
{		{
▲ Show 20 Lines • Show All 994 Lines • ▼ Show 20 Lines	bus_generic_deactivate_resource(device_t dev, device_t child, int type,
/* Propagate up the bus hierarchy until someone handles it. */		/* Propagate up the bus hierarchy until someone handles it. */
if (dev->parent)		if (dev->parent)
return (BUS_DEACTIVATE_RESOURCE(dev->parent, child, type, rid,		return (BUS_DEACTIVATE_RESOURCE(dev->parent, child, type, rid,
r));		r));
return (EINVAL);		return (EINVAL);
}		}

/**		/**
		* @brief Helper function for implementing BUS_MAP_RESOURCE().
		*
		* This simple implementation of BUS_MAP_RESOURCE() simply calls the
		* BUS_MAP_RESOURCE() method of the parent of @p dev.
		*/
		int
		bus_generic_map_resource(device_t dev, device_t child, int type,
		struct resource r, struct resource_map_request args,
		struct resource_map *map)
		{
		/* Propagate up the bus hierarchy until someone handles it. */
		if (dev->parent)
		return (BUS_MAP_RESOURCE(dev->parent, child, type, r, args,
		map));
		return (EINVAL);
		}

		/**
		* @brief Helper function for implementing BUS_UNMAP_RESOURCE().
		*
		* This simple implementation of BUS_UNMAP_RESOURCE() simply calls the
		* BUS_UNMAP_RESOURCE() method of the parent of @p dev.
		*/
		int
		bus_generic_unmap_resource(device_t dev, device_t child, int type,
		struct resource r, struct resource_map map)
		{
		/* Propagate up the bus hierarchy until someone handles it. */
		if (dev->parent)
		return (BUS_UNMAP_RESOURCE(dev->parent, child, type, r, map));
		return (EINVAL);
		}

		/**
* @brief Helper function for implementing BUS_BIND_INTR().		* @brief Helper function for implementing BUS_BIND_INTR().
*		*
* This simple implementation of BUS_BIND_INTR() simply calls the		* This simple implementation of BUS_BIND_INTR() simply calls the
* BUS_BIND_INTR() method of the parent of @p dev.		* BUS_BIND_INTR() method of the parent of @p dev.
*/		*/
int		int
bus_generic_bind_intr(device_t dev, device_t child, struct resource *irq,		bus_generic_bind_intr(device_t dev, device_t child, struct resource *irq,
int cpu)		int cpu)
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* parent of @p dev.		* parent of @p dev.
*/		*/
int		int
bus_deactivate_resource(device_t dev, int type, int rid, struct resource *r)		bus_deactivate_resource(device_t dev, int type, int rid, struct resource *r)
{		{
if (dev->parent == NULL)		if (dev->parent == NULL)
return (EINVAL);		return (EINVAL);
return (BUS_DEACTIVATE_RESOURCE(dev->parent, dev, type, rid, r));		return (BUS_DEACTIVATE_RESOURCE(dev->parent, dev, type, rid, r));
		}

		/**
		* @brief Wrapper function for BUS_MAP_RESOURCE().
		*
		* This function simply calls the BUS_MAP_RESOURCE() method of the
		* parent of @p dev.
		*/
		int
		bus_map_resource(device_t dev, int type, struct resource *r,
		struct resource_map_request args, struct resource_map map)
		{
		if (dev->parent == NULL)
		return (EINVAL);
		return (BUS_MAP_RESOURCE(dev->parent, dev, type, r, args, map));
		}

		/**
		* @brief Wrapper function for BUS_UNMAP_RESOURCE().
		*
		* This function simply calls the BUS_UNMAP_RESOURCE() method of the
		* parent of @p dev.
		*/
		int
		bus_unmap_resource(device_t dev, int type, struct resource *r,
		struct resource_map *map)
		{
		if (dev->parent == NULL)
		return (EINVAL);
		return (BUS_UNMAP_RESOURCE(dev->parent, dev, type, r, map));
}		}

/**		/**
* @brief Wrapper function for BUS_RELEASE_RESOURCE().		* @brief Wrapper function for BUS_RELEASE_RESOURCE().
*		*
* 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.
*/		*/
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