Date: Fri, 24 Nov 2023 17:28:55 GMT From: John Baldwin <jhb@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: a03a335a8012 - main - x86 nexus: Use bus_generic_rman_*_resource Message-ID: <202311241728.3AOHStlO051663@gitrepo.freebsd.org>
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The branch main has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=a03a335a801246dfb95ccf35ec3f64b9fe968874 commit a03a335a801246dfb95ccf35ec3f64b9fe968874 Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2023-11-24 17:28:10 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2023-11-24 17:28:10 +0000 x86 nexus: Use bus_generic_rman_*_resource Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D42740 --- sys/x86/x86/nexus.c | 110 +++++----------------------------------------------- 1 file changed, 9 insertions(+), 101 deletions(-) diff --git a/sys/x86/x86/nexus.c b/sys/x86/x86/nexus.c index 54c655c4fafd..9b05758a6cbf 100644 --- a/sys/x86/x86/nexus.c +++ b/sys/x86/x86/nexus.c @@ -97,13 +97,10 @@ static device_attach_t nexus_attach; static bus_add_child_t nexus_add_child; static bus_print_child_t nexus_print_child; -static bus_activate_resource_t nexus_activate_resource; -static bus_adjust_resource_t nexus_adjust_resource; static bus_alloc_resource_t nexus_alloc_resource; -static bus_deactivate_resource_t nexus_deactivate_resource; static bus_get_resource_list_t nexus_get_reslist; +static bus_get_rman_t nexus_get_rman; static bus_map_resource_t nexus_map_resource; -static bus_release_resource_t nexus_release_resource; static bus_unmap_resource_t nexus_unmap_resource; #ifdef SMP @@ -138,15 +135,16 @@ static device_method_t nexus_methods[] = { /* Bus interface */ DEVMETHOD(bus_print_child, nexus_print_child), DEVMETHOD(bus_add_child, nexus_add_child), - DEVMETHOD(bus_activate_resource, nexus_activate_resource), - DEVMETHOD(bus_adjust_resource, nexus_adjust_resource), + DEVMETHOD(bus_activate_resource, bus_generic_rman_activate_resource), + DEVMETHOD(bus_adjust_resource, bus_generic_rman_adjust_resource), DEVMETHOD(bus_alloc_resource, nexus_alloc_resource), - DEVMETHOD(bus_deactivate_resource, nexus_deactivate_resource), + DEVMETHOD(bus_deactivate_resource, bus_generic_rman_deactivate_resource), DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), DEVMETHOD(bus_get_resource_list, nexus_get_reslist), + DEVMETHOD(bus_get_rman, nexus_get_rman), DEVMETHOD(bus_delete_resource, bus_generic_rl_delete_resource), DEVMETHOD(bus_map_resource, nexus_map_resource), - DEVMETHOD(bus_release_resource, nexus_release_resource), + DEVMETHOD(bus_release_resource, bus_generic_rman_release_resource), DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource), DEVMETHOD(bus_unmap_resource, nexus_unmap_resource), #ifdef SMP @@ -328,7 +326,7 @@ nexus_add_child(device_t bus, u_int order, const char *name, int unit) } static struct rman * -nexus_rman(int type) +nexus_get_rman(device_t bus, int type, u_int flags) { switch (type) { case SYS_RES_IRQ: @@ -354,10 +352,7 @@ nexus_alloc_resource(device_t bus, device_t child, int type, int *rid, u_int flags) { struct nexus_device *ndev = DEVTONX(child); - struct resource *rv; struct resource_list_entry *rle; - struct rman *rm; - int needactivate = flags & RF_ACTIVE; /* * If this is an allocation of the "default" range for a given @@ -376,81 +371,8 @@ nexus_alloc_resource(device_t bus, device_t child, int type, int *rid, count = rle->count; } - flags &= ~RF_ACTIVE; - rm = nexus_rman(type); - if (rm == NULL) - return (NULL); - - rv = rman_reserve_resource(rm, start, end, count, flags, child); - if (rv == NULL) - return (NULL); - rman_set_rid(rv, *rid); - - if (needactivate) { - if (bus_activate_resource(child, type, *rid, rv)) { - rman_release_resource(rv); - return (NULL); - } - } - - return (rv); -} - -static int -nexus_adjust_resource(device_t bus, device_t child, int type, - struct resource *r, rman_res_t start, rman_res_t 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) -{ - struct resource_map map; - int error; - - error = rman_activate_resource(r); - if (error != 0) - return (error); - - if (!(rman_get_flags(r) & RF_UNMAPPED) && - (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT)) { - error = nexus_map_resource(bus, child, type, r, NULL, &map); - if (error) { - rman_deactivate_resource(r); - return (error); - } - - rman_set_mapping(r,&map); - } - return (0); -} - -static int -nexus_deactivate_resource(device_t bus, device_t child, int type, int rid, - struct resource *r) -{ - struct resource_map map; - int error; - - error = rman_deactivate_resource(r); - if (error) - return (error); - - if (!(rman_get_flags(r) & RF_UNMAPPED) && - (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT)) { - rman_get_mapping(r, &map); - nexus_unmap_resource(bus, child, type, r, &map); - } - return (0); + return (bus_generic_rman_alloc_resource(bus, child, type, rid, + start, end, count, flags)); } static int @@ -523,20 +445,6 @@ nexus_unmap_resource(device_t bus, device_t child, int type, struct resource *r, return (0); } -static int -nexus_release_resource(device_t bus, device_t child, int type, int rid, - struct resource *r) -{ - int error; - - if (rman_get_flags(r) & RF_ACTIVE) { - error = bus_deactivate_resource(child, type, rid, r); - if (error != 0) - return (error); - } - return (rman_release_resource(r)); -} - /* * Currently this uses the really grody interface from kern/kern_intr.c * (which really doesn't belong in kern/anything.c). Eventually, all of
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