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/*
* This file is produced automatically.
* Do not modify anything in here by hand.
*
* Created from source file
* @/kern/bus_if.m
* with
* makeobjops.awk
*
* See the source file for legal information
*/
/**
* @defgroup BUS bus - KObj methods for drivers of devices with children
* @brief A set of methods required device drivers that support
* child devices.
* @{
*/
#ifndef _bus_if_h_
#define _bus_if_h_
/** @brief Unique descriptor for the BUS_PRINT_CHILD() method */
extern struct kobjop_desc bus_print_child_desc;
/** @brief A function implementing the BUS_PRINT_CHILD() method */
typedef int bus_print_child_t(device_t _dev, device_t _child);
/**
* @brief Print a description of a child device
*
* This is called from system code which prints out a description of a
* device. It should describe the attachment that the child has with
* the parent. For instance the TurboLaser bus prints which node the
* device is attached to. See bus_generic_print_child() for more
* information.
*
* @param _dev the device whose child is being printed
* @param _child the child device to describe
*
* @returns the number of characters output.
*/
static __inline int BUS_PRINT_CHILD(device_t _dev, device_t _child)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_print_child);
return ((bus_print_child_t *) _m)(_dev, _child);
}
/** @brief Unique descriptor for the BUS_PROBE_NOMATCH() method */
extern struct kobjop_desc bus_probe_nomatch_desc;
/** @brief A function implementing the BUS_PROBE_NOMATCH() method */
typedef void bus_probe_nomatch_t(device_t _dev, device_t _child);
/**
* @brief Print a notification about an unprobed child device.
*
* Called for each child device that did not succeed in probing for a
* driver.
*
* @param _dev the device whose child was being probed
* @param _child the child device which failed to probe
*/
static __inline void BUS_PROBE_NOMATCH(device_t _dev, device_t _child)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_probe_nomatch);
((bus_probe_nomatch_t *) _m)(_dev, _child);
}
/** @brief Unique descriptor for the BUS_READ_IVAR() method */
extern struct kobjop_desc bus_read_ivar_desc;
/** @brief A function implementing the BUS_READ_IVAR() method */
typedef int bus_read_ivar_t(device_t _dev, device_t _child, int _index,
uintptr_t *_result);
/**
* @brief Read the value of a bus-specific attribute of a device
*
* This method, along with BUS_WRITE_IVAR() manages a bus-specific set
* of instance variables of a child device. The intention is that
* each different type of bus defines a set of appropriate instance
* variables (such as ports and irqs for ISA bus etc.)
*
* This information could be given to the child device as a struct but
* that makes it hard for a bus to add or remove variables without
* forcing an edit and recompile for all drivers which may not be
* possible for vendor supplied binary drivers.
*
* This method copies the value of an instance variable to the
* location specified by @p *_result.
*
* @param _dev the device whose child was being examined
* @param _child the child device whose instance variable is
* being read
* @param _index the instance variable to read
* @param _result a loction to recieve the instance variable
* value
*
* @retval 0 success
* @retval ENOENT no such instance variable is supported by @p
* _dev
*/
static __inline int BUS_READ_IVAR(device_t _dev, device_t _child, int _index,
uintptr_t *_result)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_read_ivar);
return ((bus_read_ivar_t *) _m)(_dev, _child, _index, _result);
}
/** @brief Unique descriptor for the BUS_WRITE_IVAR() method */
extern struct kobjop_desc bus_write_ivar_desc;
/** @brief A function implementing the BUS_WRITE_IVAR() method */
typedef int bus_write_ivar_t(device_t _dev, device_t _child, int _indx,
uintptr_t _value);
/**
* @brief Write the value of a bus-specific attribute of a device
*
* This method sets the value of an instance variable to @p _value.
*
* @param _dev the device whose child was being updated
* @param _child the child device whose instance variable is
* being written
* @param _index the instance variable to write
* @param _value the value to write to that instance variable
*
* @retval 0 success
* @retval ENOENT no such instance variable is supported by @p
* _dev
* @retval EINVAL the instance variable was recognised but
* contains a read-only value
*/
static __inline int BUS_WRITE_IVAR(device_t _dev, device_t _child, int _indx,
uintptr_t _value)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_write_ivar);
return ((bus_write_ivar_t *) _m)(_dev, _child, _indx, _value);
}
/** @brief Unique descriptor for the BUS_CHILD_DETACHED() method */
extern struct kobjop_desc bus_child_detached_desc;
/** @brief A function implementing the BUS_CHILD_DETACHED() method */
typedef void bus_child_detached_t(device_t _dev, device_t _child);
/**
* @brief Notify a bus that a child was detached
*
* Called after the child's DEVICE_DETACH() method to allow the parent
* to reclaim any resources allocated on behalf of the child.
*
* @param _dev the device whose child changed state
* @param _child the child device which changed state
*/
static __inline void BUS_CHILD_DETACHED(device_t _dev, device_t _child)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_child_detached);
((bus_child_detached_t *) _m)(_dev, _child);
}
/** @brief Unique descriptor for the BUS_DRIVER_ADDED() method */
extern struct kobjop_desc bus_driver_added_desc;
/** @brief A function implementing the BUS_DRIVER_ADDED() method */
typedef void bus_driver_added_t(device_t _dev, driver_t *_driver);
/**
* @brief Notify a bus that a new driver was added
*
* Called when a new driver is added to the devclass which owns this
* bus. The generic implementation of this method attempts to probe and
* attach any un-matched children of the bus.
*
* @param _dev the device whose devclass had a new driver
* added to it
* @param _driver the new driver which was added
*/
static __inline void BUS_DRIVER_ADDED(device_t _dev, driver_t *_driver)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_driver_added);
((bus_driver_added_t *) _m)(_dev, _driver);
}
/** @brief Unique descriptor for the BUS_ADD_CHILD() method */
extern struct kobjop_desc bus_add_child_desc;
/** @brief A function implementing the BUS_ADD_CHILD() method */
typedef device_t bus_add_child_t(device_t _dev, u_int _order, const char *_name,
int _unit);
/**
* @brief Create a new child device
*
* For busses which use use drivers supporting DEVICE_IDENTIFY() to
* enumerate their devices, this method is used to create new
* device instances. The new device will be added after the last
* existing child with the same order.
*
* @param _dev the bus device which will be the parent of the
* new child device
* @param _order a value which is used to partially sort the
* children of @p _dev - devices created using
* lower values of @p _order appear first in @p
* _dev's list of children
* @param _name devclass name for new device or @c NULL if not
* specified
* @param _unit unit number for new device or @c -1 if not
* specified
*/
static __inline device_t BUS_ADD_CHILD(device_t _dev, u_int _order,
const char *_name, int _unit)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_add_child);
return ((bus_add_child_t *) _m)(_dev, _order, _name, _unit);
}
/** @brief Unique descriptor for the BUS_ALLOC_RESOURCE() method */
extern struct kobjop_desc bus_alloc_resource_desc;
/** @brief A function implementing the BUS_ALLOC_RESOURCE() method */
typedef struct resource * bus_alloc_resource_t(device_t _dev, device_t _child,
int _type, int *_rid,
u_long _start, u_long _end,
u_long _count, u_int _flags);
/**
* @brief Allocate a system resource
*
* This method is called by child devices of a bus to allocate resources.
* The types are defined in <machine/resource.h>; the meaning of the
* resource-ID field varies from bus to bus (but @p *rid == 0 is always
* valid if the resource type is). If a resource was allocated and the
* caller did not use the RF_ACTIVE to specify that it should be
* activated immediately, the caller is responsible for calling
* BUS_ACTIVATE_RESOURCE() when it actually uses the resource.
*
* @param _dev the parent device of @p _child
* @param _child the device which is requesting an allocation
* @param _type the type of resource to allocate
* @param _rid a pointer to the resource identifier
* @param _start hint at the start of the resource range - pass
* @c 0UL for any start address
* @param _end hint at the end of the resource range - pass
* @c ~0UL for any end address
* @param _count hint at the size of range required - pass @c 1
* for any size
* @param _flags any extra flags to control the resource
* allocation - see @c RF_XXX flags in
* <sys/rman.h> for details
*
* @returns the resource which was allocated or @c NULL if no
* resource could be allocated
*/
static __inline struct resource * BUS_ALLOC_RESOURCE(device_t _dev,
device_t _child, int _type,
int *_rid, u_long _start,
u_long _end, u_long _count,
u_int _flags)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_alloc_resource);
return ((bus_alloc_resource_t *) _m)(_dev, _child, _type, _rid, _start, _end, _count, _flags);
}
/** @brief Unique descriptor for the BUS_ACTIVATE_RESOURCE() method */
extern struct kobjop_desc bus_activate_resource_desc;
/** @brief A function implementing the BUS_ACTIVATE_RESOURCE() method */
typedef int bus_activate_resource_t(device_t _dev, device_t _child, int _type,
int _rid, struct resource *_r);
/**
* @brief Activate a resource
*
* Activate a resource previously allocated with
* BUS_ALLOC_RESOURCE(). This may for instance map a memory region
* into the kernel's virtual address space.
*
* @param _dev the parent device of @p _child
* @param _child the device which allocated the resource
* @param _type the type of resource
* @param _rid the resource identifier
* @param _r the resource to activate
*/
static __inline int BUS_ACTIVATE_RESOURCE(device_t _dev, device_t _child,
int _type, int _rid,
struct resource *_r)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_activate_resource);
return ((bus_activate_resource_t *) _m)(_dev, _child, _type, _rid, _r);
}
/** @brief Unique descriptor for the BUS_DEACTIVATE_RESOURCE() method */
extern struct kobjop_desc bus_deactivate_resource_desc;
/** @brief A function implementing the BUS_DEACTIVATE_RESOURCE() method */
typedef int bus_deactivate_resource_t(device_t _dev, device_t _child, int _type,
int _rid, struct resource *_r);
/**
* @brief Deactivate a resource
*
* Deactivate a resource previously allocated with
* BUS_ALLOC_RESOURCE(). This may for instance unmap a memory region
* from the kernel's virtual address space.
*
* @param _dev the parent device of @p _child
* @param _child the device which allocated the resource
* @param _type the type of resource
* @param _rid the resource identifier
* @param _r the resource to deactivate
*/
static __inline int BUS_DEACTIVATE_RESOURCE(device_t _dev, device_t _child,
int _type, int _rid,
struct resource *_r)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_deactivate_resource);
return ((bus_deactivate_resource_t *) _m)(_dev, _child, _type, _rid, _r);
}
/** @brief Unique descriptor for the BUS_ADJUST_RESOURCE() method */
extern struct kobjop_desc bus_adjust_resource_desc;
/** @brief A function implementing the BUS_ADJUST_RESOURCE() method */
typedef int bus_adjust_resource_t(device_t _dev, device_t _child, int _type,
struct resource *_res, u_long _start,
u_long _end);
/**
* @brief Adjust a resource
*
* Adjust the start and/or end of a resource allocated by
* BUS_ALLOC_RESOURCE. At least part of the new address range must overlap
* with the existing address range. If the successful, the resource's range
* will be adjusted to [start, end] on return.
*
* @param _dev the parent device of @p _child
* @param _child the device which allocated the resource
* @param _type the type of resource
* @param _res the resource to adjust
* @param _start the new starting address of the resource range
* @param _end the new ending address of the resource range
*/
static __inline int BUS_ADJUST_RESOURCE(device_t _dev, device_t _child,
int _type, struct resource *_res,
u_long _start, u_long _end)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_adjust_resource);
return ((bus_adjust_resource_t *) _m)(_dev, _child, _type, _res, _start, _end);
}
/** @brief Unique descriptor for the BUS_RELEASE_RESOURCE() method */
extern struct kobjop_desc bus_release_resource_desc;
/** @brief A function implementing the BUS_RELEASE_RESOURCE() method */
typedef int bus_release_resource_t(device_t _dev, device_t _child, int _type,
int _rid, struct resource *_res);
/**
* @brief Release a resource
*
* Free a resource allocated by the BUS_ALLOC_RESOURCE. The @p _rid
* value must be the same as the one returned by BUS_ALLOC_RESOURCE()
* (which is not necessarily the same as the one the client passed).
*
* @param _dev the parent device of @p _child
* @param _child the device which allocated the resource
* @param _type the type of resource
* @param _rid the resource identifier
* @param _r the resource to release
*/
static __inline int BUS_RELEASE_RESOURCE(device_t _dev, device_t _child,
int _type, int _rid,
struct resource *_res)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_release_resource);
return ((bus_release_resource_t *) _m)(_dev, _child, _type, _rid, _res);
}
/** @brief Unique descriptor for the BUS_SETUP_INTR() method */
extern struct kobjop_desc bus_setup_intr_desc;
/** @brief A function implementing the BUS_SETUP_INTR() method */
typedef int bus_setup_intr_t(device_t _dev, device_t _child,
struct resource *_irq, int _flags,
driver_filter_t *_filter, driver_intr_t *_intr,
void *_arg, void **_cookiep);
/**
* @brief Install an interrupt handler
*
* This method is used to associate an interrupt handler function with
* an irq resource. When the interrupt triggers, the function @p _intr
* will be called with the value of @p _arg as its single
* argument. The value returned in @p *_cookiep is used to cancel the
* interrupt handler - the caller should save this value to use in a
* future call to BUS_TEARDOWN_INTR().
*
* @param _dev the parent device of @p _child
* @param _child the device which allocated the resource
* @param _irq the resource representing the interrupt
* @param _flags a set of bits from enum intr_type specifying
* the class of interrupt
* @param _intr the function to call when the interrupt
* triggers
* @param _arg a value to use as the single argument in calls
* to @p _intr
* @param _cookiep a pointer to a location to recieve a cookie
* value that may be used to remove the interrupt
* handler
*/
static __inline int BUS_SETUP_INTR(device_t _dev, device_t _child,
struct resource *_irq, int _flags,
driver_filter_t *_filter,
driver_intr_t *_intr, void *_arg,
void **_cookiep)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_setup_intr);
return ((bus_setup_intr_t *) _m)(_dev, _child, _irq, _flags, _filter, _intr, _arg, _cookiep);
}
/** @brief Unique descriptor for the BUS_TEARDOWN_INTR() method */
extern struct kobjop_desc bus_teardown_intr_desc;
/** @brief A function implementing the BUS_TEARDOWN_INTR() method */
typedef int bus_teardown_intr_t(device_t _dev, device_t _child,
struct resource *_irq, void *_cookie);
/**
* @brief Uninstall an interrupt handler
*
* This method is used to disassociate an interrupt handler function
* with an irq resource. The value of @p _cookie must be the value
* returned from a previous call to BUS_SETUP_INTR().
*
* @param _dev the parent device of @p _child
* @param _child the device which allocated the resource
* @param _irq the resource representing the interrupt
* @param _cookie the cookie value returned when the interrupt
* was originally registered
*/
static __inline int BUS_TEARDOWN_INTR(device_t _dev, device_t _child,
struct resource *_irq, void *_cookie)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_teardown_intr);
return ((bus_teardown_intr_t *) _m)(_dev, _child, _irq, _cookie);
}
/** @brief Unique descriptor for the BUS_SET_RESOURCE() method */
extern struct kobjop_desc bus_set_resource_desc;
/** @brief A function implementing the BUS_SET_RESOURCE() method */
typedef int bus_set_resource_t(device_t _dev, device_t _child, int _type,
int _rid, u_long _start, u_long _count);
/**
* @brief Define a resource which can be allocated with
* BUS_ALLOC_RESOURCE().
*
* This method is used by some busses (typically ISA) to allow a
* driver to describe a resource range that it would like to
* allocate. The resource defined by @p _type and @p _rid is defined
* to start at @p _start and to include @p _count indices in its
* range.
*
* @param _dev the parent device of @p _child
* @param _child the device which owns the resource
* @param _type the type of resource
* @param _rid the resource identifier
* @param _start the start of the resource range
* @param _count the size of the resource range
*/
static __inline int BUS_SET_RESOURCE(device_t _dev, device_t _child, int _type,
int _rid, u_long _start, u_long _count)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_set_resource);
return ((bus_set_resource_t *) _m)(_dev, _child, _type, _rid, _start, _count);
}
/** @brief Unique descriptor for the BUS_GET_RESOURCE() method */
extern struct kobjop_desc bus_get_resource_desc;
/** @brief A function implementing the BUS_GET_RESOURCE() method */
typedef int bus_get_resource_t(device_t _dev, device_t _child, int _type,
int _rid, u_long *_startp, u_long *_countp);
/**
* @brief Describe a resource
*
* This method allows a driver to examine the range used for a given
* resource without actually allocating it.
*
* @param _dev the parent device of @p _child
* @param _child the device which owns the resource
* @param _type the type of resource
* @param _rid the resource identifier
* @param _start the address of a location to recieve the start
* index of the resource range
* @param _count the address of a location to recieve the size
* of the resource range
*/
static __inline int BUS_GET_RESOURCE(device_t _dev, device_t _child, int _type,
int _rid, u_long *_startp, u_long *_countp)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_get_resource);
return ((bus_get_resource_t *) _m)(_dev, _child, _type, _rid, _startp, _countp);
}
/** @brief Unique descriptor for the BUS_DELETE_RESOURCE() method */
extern struct kobjop_desc bus_delete_resource_desc;
/** @brief A function implementing the BUS_DELETE_RESOURCE() method */
typedef void bus_delete_resource_t(device_t _dev, device_t _child, int _type,
int _rid);
/**
* @brief Delete a resource.
*
* Use this to delete a resource (possibly one previously added with
* BUS_SET_RESOURCE()).
*
* @param _dev the parent device of @p _child
* @param _child the device which owns the resource
* @param _type the type of resource
* @param _rid the resource identifier
*/
static __inline void BUS_DELETE_RESOURCE(device_t _dev, device_t _child,
int _type, int _rid)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_delete_resource);
((bus_delete_resource_t *) _m)(_dev, _child, _type, _rid);
}
/** @brief Unique descriptor for the BUS_GET_RESOURCE_LIST() method */
extern struct kobjop_desc bus_get_resource_list_desc;
/** @brief A function implementing the BUS_GET_RESOURCE_LIST() method */
typedef struct resource_list * bus_get_resource_list_t(device_t _dev,
device_t _child);
/**
* @brief Return a struct resource_list.
*
* Used by drivers which use bus_generic_rl_alloc_resource() etc. to
* implement their resource handling. It should return the resource
* list of the given child device.
*
* @param _dev the parent device of @p _child
* @param _child the device which owns the resource list
*/
static __inline struct resource_list * BUS_GET_RESOURCE_LIST(device_t _dev,
device_t _child)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_get_resource_list);
return ((bus_get_resource_list_t *) _m)(_dev, _child);
}
/** @brief Unique descriptor for the BUS_CHILD_PRESENT() method */
extern struct kobjop_desc bus_child_present_desc;
/** @brief A function implementing the BUS_CHILD_PRESENT() method */
typedef int bus_child_present_t(device_t _dev, device_t _child);
/**
* @brief Is the hardware described by @p _child still attached to the
* system?
*
* This method should return 0 if the device is not present. It
* should return -1 if it is present. Any errors in determining
* should be returned as a normal errno value. Client drivers are to
* assume that the device is present, even if there is an error
* determining if it is there. Busses are to try to avoid returning
* errors, but newcard will return an error if the device fails to
* implement this method.
*
* @param _dev the parent device of @p _child
* @param _child the device which is being examined
*/
static __inline int BUS_CHILD_PRESENT(device_t _dev, device_t _child)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_child_present);
return ((bus_child_present_t *) _m)(_dev, _child);
}
/** @brief Unique descriptor for the BUS_CHILD_PNPINFO_STR() method */
extern struct kobjop_desc bus_child_pnpinfo_str_desc;
/** @brief A function implementing the BUS_CHILD_PNPINFO_STR() method */
typedef int bus_child_pnpinfo_str_t(device_t _dev, device_t _child, char *_buf,
size_t _buflen);
/**
* @brief Returns the pnp info for this device.
*
* Return it as a string. If the string is insufficient for the
* storage, then return EOVERFLOW.
*
* @param _dev the parent device of @p _child
* @param _child the device which is being examined
* @param _buf the address of a buffer to receive the pnp
* string
* @param _buflen the size of the buffer pointed to by @p _buf
*/
static __inline int BUS_CHILD_PNPINFO_STR(device_t _dev, device_t _child,
char *_buf, size_t _buflen)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_child_pnpinfo_str);
return ((bus_child_pnpinfo_str_t *) _m)(_dev, _child, _buf, _buflen);
}
/** @brief Unique descriptor for the BUS_CHILD_LOCATION_STR() method */
extern struct kobjop_desc bus_child_location_str_desc;
/** @brief A function implementing the BUS_CHILD_LOCATION_STR() method */
typedef int bus_child_location_str_t(device_t _dev, device_t _child, char *_buf,
size_t _buflen);
/**
* @brief Returns the location for this device.
*
* Return it as a string. If the string is insufficient for the
* storage, then return EOVERFLOW.
*
* @param _dev the parent device of @p _child
* @param _child the device which is being examined
* @param _buf the address of a buffer to receive the location
* string
* @param _buflen the size of the buffer pointed to by @p _buf
*/
static __inline int BUS_CHILD_LOCATION_STR(device_t _dev, device_t _child,
char *_buf, size_t _buflen)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_child_location_str);
return ((bus_child_location_str_t *) _m)(_dev, _child, _buf, _buflen);
}
/** @brief Unique descriptor for the BUS_BIND_INTR() method */
extern struct kobjop_desc bus_bind_intr_desc;
/** @brief A function implementing the BUS_BIND_INTR() method */
typedef int bus_bind_intr_t(device_t _dev, device_t _child,
struct resource *_irq, int _cpu);
/**
* @brief Allow drivers to request that an interrupt be bound to a specific
* CPU.
*
* @param _dev the parent device of @p _child
* @param _child the device which allocated the resource
* @param _irq the resource representing the interrupt
* @param _cpu the CPU to bind the interrupt to
*/
static __inline int BUS_BIND_INTR(device_t _dev, device_t _child,
struct resource *_irq, int _cpu)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_bind_intr);
return ((bus_bind_intr_t *) _m)(_dev, _child, _irq, _cpu);
}
/** @brief Unique descriptor for the BUS_CONFIG_INTR() method */
extern struct kobjop_desc bus_config_intr_desc;
/** @brief A function implementing the BUS_CONFIG_INTR() method */
typedef int bus_config_intr_t(device_t _dev, int _irq, enum intr_trigger _trig,
enum intr_polarity _pol);
/**
* @brief Allow (bus) drivers to specify the trigger mode and polarity
* of the specified interrupt.
*
* @param _dev the bus device
* @param _irq the interrupt number to modify
* @param _trig the trigger mode required
* @param _pol the interrupt polarity required
*/
static __inline int BUS_CONFIG_INTR(device_t _dev, int _irq,
enum intr_trigger _trig,
enum intr_polarity _pol)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_config_intr);
return ((bus_config_intr_t *) _m)(_dev, _irq, _trig, _pol);
}
/** @brief Unique descriptor for the BUS_DESCRIBE_INTR() method */
extern struct kobjop_desc bus_describe_intr_desc;
/** @brief A function implementing the BUS_DESCRIBE_INTR() method */
typedef int bus_describe_intr_t(device_t _dev, device_t _child,
struct resource *_irq, void *_cookie,
const char *_descr);
/**
* @brief Allow drivers to associate a description with an active
* interrupt handler.
*
* @param _dev the parent device of @p _child
* @param _child the device which allocated the resource
* @param _irq the resource representing the interrupt
* @param _cookie the cookie value returned when the interrupt
* was originally registered
* @param _descr the description to associate with the interrupt
*/
static __inline int BUS_DESCRIBE_INTR(device_t _dev, device_t _child,
struct resource *_irq, void *_cookie,
const char *_descr)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_describe_intr);
return ((bus_describe_intr_t *) _m)(_dev, _child, _irq, _cookie, _descr);
}
/** @brief Unique descriptor for the BUS_HINTED_CHILD() method */
extern struct kobjop_desc bus_hinted_child_desc;
/** @brief A function implementing the BUS_HINTED_CHILD() method */
typedef void bus_hinted_child_t(device_t _dev, const char *_dname, int _dunit);
/**
* @brief Notify a (bus) driver about a child that the hints mechanism
* believes it has discovered.
*
* The bus is responsible for then adding the child in the right order
* and discovering other things about the child. The bus driver is
* free to ignore this hint, to do special things, etc. It is all up
* to the bus driver to interpret.
*
* This method is only called in response to the parent bus asking for
* hinted devices to be enumerated.
*
* @param _dev the bus device
* @param _dname the name of the device w/o unit numbers
* @param _dunit the unit number of the device
*/
static __inline void BUS_HINTED_CHILD(device_t _dev, const char *_dname,
int _dunit)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_hinted_child);
((bus_hinted_child_t *) _m)(_dev, _dname, _dunit);
}
/** @brief Unique descriptor for the BUS_GET_DMA_TAG() method */
extern struct kobjop_desc bus_get_dma_tag_desc;
/** @brief A function implementing the BUS_GET_DMA_TAG() method */
typedef bus_dma_tag_t bus_get_dma_tag_t(device_t _dev, device_t _child);
/**
* @brief Returns bus_dma_tag_t for use w/ devices on the bus.
*
* @param _dev the parent device of @p _child
* @param _child the device to which the tag will belong
*/
static __inline bus_dma_tag_t BUS_GET_DMA_TAG(device_t _dev, device_t _child)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_get_dma_tag);
return ((bus_get_dma_tag_t *) _m)(_dev, _child);
}
/** @brief Unique descriptor for the BUS_HINT_DEVICE_UNIT() method */
extern struct kobjop_desc bus_hint_device_unit_desc;
/** @brief A function implementing the BUS_HINT_DEVICE_UNIT() method */
typedef void bus_hint_device_unit_t(device_t _dev, device_t _child,
const char *_name, int *_unitp);
/**
* @brief Allow the bus to determine the unit number of a device.
*
* @param _dev the parent device of @p _child
* @param _child the device whose unit is to be wired
* @param _name the name of the device's new devclass
* @param _unitp a pointer to the device's new unit value
*/
static __inline void BUS_HINT_DEVICE_UNIT(device_t _dev, device_t _child,
const char *_name, int *_unitp)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_hint_device_unit);
((bus_hint_device_unit_t *) _m)(_dev, _child, _name, _unitp);
}
/** @brief Unique descriptor for the BUS_NEW_PASS() method */
extern struct kobjop_desc bus_new_pass_desc;
/** @brief A function implementing the BUS_NEW_PASS() method */
typedef void bus_new_pass_t(device_t _dev);
/**
* @brief Notify a bus that the bus pass level has been changed
*
* @param _dev the bus device
*/
static __inline void BUS_NEW_PASS(device_t _dev)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_new_pass);
((bus_new_pass_t *) _m)(_dev);
}
/** @brief Unique descriptor for the BUS_REMAP_INTR() method */
extern struct kobjop_desc bus_remap_intr_desc;
/** @brief A function implementing the BUS_REMAP_INTR() method */
typedef int bus_remap_intr_t(device_t _dev, device_t _child, u_int _irq);
/**
* @brief Notify a bus that specified child's IRQ should be remapped.
*
* @param _dev the bus device
* @param _child the child device
* @param _irq the irq number
*/
static __inline int BUS_REMAP_INTR(device_t _dev, device_t _child, u_int _irq)
{
kobjop_t _m;
KOBJOPLOOKUP(((kobj_t)_dev)->ops,bus_remap_intr);
return ((bus_remap_intr_t *) _m)(_dev, _child, _irq);
}
#endif /* _bus_if_h_ */