Author: jhb
Date: Mon Jul 18 14:04:37 2011
New Revision: 224184
URL: http://svn.freebsd.org/changeset/base/224184
Log:
Implement bus_adjust_resource() for the ia64 nexus driver.
Reviewed by: marcel
Approved by: re (kib)
Modified:
head/sys/ia64/ia64/nexus.c
Modified: head/sys/ia64/ia64/nexus.c
==============================================================================
--- head/sys/ia64/ia64/nexus.c Mon Jul 18 13:49:59 2011 (r224183)
+++ head/sys/ia64/ia64/nexus.c Mon Jul 18 14:04:37 2011 (r224184)
@@ -86,6 +86,8 @@ static device_t nexus_add_child(device_t
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 orde
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, devic
}
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)
@@ -305,6 +308,20 @@ nexus_alloc_resource(device_t bus, devic
}
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)
{
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