INSERT_RESOURCE_CONF(9) Hardware Interfaces INSERT_RESOURCE_CONF(9)NAME
insert_resource_conflict - Inserts resource in the resource tree
struct resource * insert_resource_conflict(struct resource * parent, struct resource * new);
parent of the new resource
new resource to insert
Returns 0 on success, conflict resource if the resource can't be inserted.
This function is equivalent to request_resource_conflict when no conflict happens. If a conflict happens, and the conflicting resources
entirely fit within the range of the new resource, then the new resource is inserted and the conflicting resources become children of the
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 INSERT_RESOURCE_CONF(9)
Check Out this Related Man Page
BUS_ADJUST_RESOURCE(9) BSD Kernel Developer's Manual BUS_ADJUST_RESOURCE(9)NAME
bus_adjust_resource -- adjust resource allocated from a parent bus
bus_adjust_resource(device_t dev, int type, struct resource *r, u_long start, u_long end);
This function is used to ask the parent bus to adjust the resource range assigned to an allocated resource. The resource r should have been
allocated by a previous call to bus_alloc_resource(9). The new resource range must overlap the existing range of r. The type argument
should match the type argument passed to bus_alloc_resource(9) when the resource was initially allocated.
Note that none of the constraints of the original allocation request such as alignment or boundary restrictions are checked by
bus_adjust_resource(). It is the caller's responsibility to enforce any such requirements.
The bus_adjust_resource() method returns zero on success or an error code on failure.
Grow an existing memory resource by 4096 bytes.
struct resource *res;
error = bus_adjust_resource(dev, SYS_RES_MEMORY, res,
rman_get_start(res), rman_get_end(res) + 0x1000);
bus_adjust_resource() will fail if:
[EINVAL] The dev device does not have a parent device.
[EINVAL] The r resource is a shared resource.
[EINVAL] The new address range does not overlap with the existing address range of r.
[EBUSY] The new address range conflicts with another allocated resource.
SEE ALSO bus_alloc_resource(9), bus_release_resource(9), device(9), driver(9)BSD April 29, 2011 BSD
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