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Code Issues Releases Activity

Implement bus_adjust_resource() for the ia64 nexus driver.

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Reviewed by:	marcel
Approved by:	re (kib)
This commit is contained in:
John Baldwin 2011-07-18 14:04:37 +00:00
parent 778b0e42a8
commit fbd3fc8fc7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=224184
1 changed files with 34 additions and 17 deletions
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51
sys/ia64/ia64/nexus.c
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@ -86,6 +86,8 @@ static device_t nexus_add_child(device_t bus, u_int order, const char *name,
int unit);
static struct resource *nexus_alloc_resource(device_t, device_t, int, int *,
u_long, u_long, u_long, u_int);
static int nexus_adjust_resource(device_t, device_t, int, struct resource *,
u_long, u_long);
static int nexus_activate_resource(device_t, device_t, int, int,
struct resource *);
static int nexus_deactivate_resource(device_t, device_t, int, int,
@ -122,6 +124,7 @@ static device_method_t nexus_methods[] = {
DEVMETHOD(bus_print_child, nexus_print_child),
DEVMETHOD(bus_add_child, nexus_add_child),
DEVMETHOD(bus_alloc_resource, nexus_alloc_resource),
DEVMETHOD(bus_adjust_resource, nexus_adjust_resource),
DEVMETHOD(bus_release_resource, nexus_release_resource),
DEVMETHOD(bus_activate_resource, nexus_activate_resource),
DEVMETHOD(bus_deactivate_resource, nexus_deactivate_resource),
@ -238,6 +241,20 @@ nexus_add_child(device_t bus, u_int order, const char *name, int unit)
return(child);
}
static struct rman *
nexus_rman(int type)
{
switch (type) {
case SYS_RES_IRQ:
return (&irq_rman);
case SYS_RES_IOPORT:
return (&port_rman);
case SYS_RES_MEMORY:
return (&mem_rman);
default:
return (NULL);
}
}
/*
* Allocate a resource on behalf of child. NB: child is usually going to be a
@ -271,23 +288,9 @@ nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
}
flags &= ~RF_ACTIVE;
switch (type) {
case SYS_RES_IRQ:
rm = &irq_rman;
break;
case SYS_RES_IOPORT:
rm = &port_rman;
break;
case SYS_RES_MEMORY:
rm = &mem_rman;
break;
default:
return 0;
}
rm = nexus_rman(type);
if (rm == NULL)
return (NULL);
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == 0)
@ -304,6 +307,20 @@ nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
return rv;
}
static int
nexus_adjust_resource(device_t bus, device_t child, int type,
struct resource *r, u_long start, u_long end)
{
struct rman *rm;
rm = nexus_rman(type);
if (rm == NULL)
return (ENXIO);
if (!rman_is_region_manager(r, rm))
return (EINVAL);
return (rman_adjust_resource(r, start, end));
}
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)