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Add a convenience function rman_init_from_resource for initializing

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a rman from a resource.

Also, include _bus.h since the implementation of bus_space isn't
needed here, just the definitions of the types.
This commit is contained in:
Warner Losh 2006-06-12 04:06:21 +00:00
parent d47f76464a
commit ccdc8d9bff
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=159536
2 changed files with 12 additions and 1 deletions
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10
sys/kern/subr_rman.c
View File

@ -182,6 +182,16 @@ rman_manage_region(struct rman *rm, u_long start, u_long end)
return 0;
}
int
rman_init_from_resource(struct rman *rm, struct resource *r)
{
int rv;
if ((rv = rman_init(rm)) != 0)
return (rv);
return (rman_manage_region(rm, r->__r_i->r_start, r->__r_i->r_end));
}
int
rman_fini(struct rman *rm)
{

3
sys/sys/rman.h
View File

@ -35,7 +35,7 @@
#ifndef _KERNEL
#include <sys/queue.h>
#else
#include <machine/bus.h>
#include <machine/_bus.h>
#include <machine/resource.h>
#endif
@ -129,6 +129,7 @@ void *rman_get_virtual(struct resource *);
int rman_deactivate_resource(struct resource *r);
int rman_fini(struct rman *rm);
int rman_init(struct rman *rm);
int rman_init_from_resource(struct rman *rm, struct resource *r);
uint32_t rman_make_alignment_flags(uint32_t size);
int rman_manage_region(struct rman *rm, u_long start, u_long end);
int rman_is_region_manager(struct resource *r, struct rman *rm);