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kern/rman: mark rman get functions as taking constants

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The arguments are left completely unchanged by these functions.  This
allows passing constant pointers for verifying ownership, but not
modifying the contents.

Reviewed by: imp,jhb
Pull Request: https://github.com/freebsd/freebsd-src/pull/1224
This commit is contained in:
Elliott Mitchell 2024-05-10 09:13:39 -07:00 committed by Warner Losh
parent 996fa9fb4e
commit cbcb9778dd
2 changed files with 26 additions and 26 deletions
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26
sys/kern/subr_rman.c
View file

@ -787,28 +787,28 @@ rman_make_alignment_flags(uint32_t size)
}
rman_res_t
rman_get_start(struct resource *r)
rman_get_start(const struct resource *r)
{
return (r->__r_i->r_start);
}
rman_res_t
rman_get_end(struct resource *r)
rman_get_end(const struct resource *r)
{
return (r->__r_i->r_end);
}
rman_res_t
rman_get_size(struct resource *r)
rman_get_size(const struct resource *r)
{
return (r->__r_i->r_end - r->__r_i->r_start + 1);
}
u_int
rman_get_flags(struct resource *r)
rman_get_flags(const struct resource *r)
{
return (r->__r_i->r_flags);
@ -822,7 +822,7 @@ rman_set_virtual(struct resource *r, void *v)
}
void *
rman_get_virtual(struct resource *r)
rman_get_virtual(const struct resource *r)
{
return (r->__r_i->r_virtual);
@ -836,7 +836,7 @@ rman_set_irq_cookie(struct resource *r, void *c)
}
void *
rman_get_irq_cookie(struct resource *r)
rman_get_irq_cookie(const struct resource *r)
{
return (r->__r_i->r_irq_cookie);
@ -850,7 +850,7 @@ rman_set_bustag(struct resource *r, bus_space_tag_t t)
}
bus_space_tag_t
rman_get_bustag(struct resource *r)
rman_get_bustag(const struct resource *r)
{
return (r->r_bustag);
@ -864,7 +864,7 @@ rman_set_bushandle(struct resource *r, bus_space_handle_t h)
}
bus_space_handle_t
rman_get_bushandle(struct resource *r)
rman_get_bushandle(const struct resource *r)
{
return (r->r_bushandle);
@ -882,7 +882,7 @@ rman_set_mapping(struct resource *r, struct resource_map *map)
}
void
rman_get_mapping(struct resource *r, struct resource_map *map)
rman_get_mapping(const struct resource *r, struct resource_map *map)
{
map->r_bustag = rman_get_bustag(r);
@ -899,7 +899,7 @@ rman_set_rid(struct resource *r, int rid)
}
int
rman_get_rid(struct resource *r)
rman_get_rid(const struct resource *r)
{
return (r->__r_i->r_rid);
@ -912,7 +912,7 @@ rman_set_type(struct resource *r, int type)
}
int
rman_get_type(struct resource *r)
rman_get_type(const struct resource *r)
{
return (r->__r_i->r_type);
}
@ -925,14 +925,14 @@ rman_set_device(struct resource *r, device_t dev)
}
device_t
rman_get_device(struct resource *r)
rman_get_device(const struct resource *r)
{
return (r->__r_i->r_dev);
}
int
rman_is_region_manager(struct resource *r, struct rman *rm)
rman_is_region_manager(const struct resource *r, const struct rman *rm)
{
return (r->__r_i->r_rm == rm);

26
sys/sys/rman.h
View file

@ -124,18 +124,18 @@ TAILQ_HEAD(rman_head, rman);
int rman_activate_resource(struct resource *r);
int rman_adjust_resource(struct resource *r, rman_res_t start, rman_res_t end);
int rman_first_free_region(struct rman *rm, rman_res_t *start, rman_res_t *end);
bus_space_handle_t rman_get_bushandle(struct resource *);
bus_space_tag_t rman_get_bustag(struct resource *);
rman_res_t rman_get_end(struct resource *);
device_t rman_get_device(struct resource *);
u_int rman_get_flags(struct resource *);
void *rman_get_irq_cookie(struct resource *);
void rman_get_mapping(struct resource *, struct resource_map *);
int rman_get_rid(struct resource *);
rman_res_t rman_get_size(struct resource *);
rman_res_t rman_get_start(struct resource *);
int rman_get_type(struct resource *);
void *rman_get_virtual(struct resource *);
bus_space_handle_t rman_get_bushandle(const struct resource *);
bus_space_tag_t rman_get_bustag(const struct resource *);
rman_res_t rman_get_end(const struct resource *);
device_t rman_get_device(const struct resource *);
u_int rman_get_flags(const struct resource *);
void *rman_get_irq_cookie(const struct resource *);
void rman_get_mapping(const struct resource *, struct resource_map *);
int rman_get_rid(const struct resource *);
rman_res_t rman_get_size(const struct resource *);
rman_res_t rman_get_start(const struct resource *);
int rman_get_type(const struct resource *);
void *rman_get_virtual(const struct resource *);
int rman_deactivate_resource(struct resource *r);
int rman_fini(struct rman *rm);
int rman_init(struct rman *rm);
@ -143,7 +143,7 @@ int rman_init_from_resource(struct rman *rm, struct resource *r);
int rman_last_free_region(struct rman *rm, rman_res_t *start, rman_res_t *end);
uint32_t rman_make_alignment_flags(uint32_t size);
int rman_manage_region(struct rman *rm, rman_res_t start, rman_res_t end);
int rman_is_region_manager(struct resource *r, struct rman *rm);
int rman_is_region_manager(const struct resource *r, const struct rman *rm);
int rman_release_resource(struct resource *r);
struct resource *rman_reserve_resource(struct rman *rm, rman_res_t start,
rman_res_t end, rman_res_t count,