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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef DRBD_POLYMORPH_PRINTK_H
#define DRBD_POLYMORPH_PRINTK_H
#define __drbd_printk_device(level, device, fmt, args...) \
dev_printk(level, disk_to_dev((device)->vdisk), fmt, ## args)
#define __drbd_printk_peer_device(level, peer_device, fmt, args...) \
dev_printk(level, disk_to_dev((peer_device)->device->vdisk), fmt, ## args)
#define __drbd_printk_resource(level, resource, fmt, args...) \
printk(level "drbd %s: " fmt, (resource)->name, ## args)
#define __drbd_printk_connection(level, connection, fmt, args...) \
printk(level "drbd %s: " fmt, (connection)->resource->name, ## args)
void drbd_printk_with_wrong_object_type(void);
#define __drbd_printk_if_same_type(obj, type, func, level, fmt, args...) \
(__builtin_types_compatible_p(typeof(obj), type) || \
__builtin_types_compatible_p(typeof(obj), const type)), \
func(level, (const type)(obj), fmt, ## args)
#define drbd_printk(level, obj, fmt, args...) \
__builtin_choose_expr( \
__drbd_printk_if_same_type(obj, struct drbd_device *, \
__drbd_printk_device, level, fmt, ## args), \
__builtin_choose_expr( \
__drbd_printk_if_same_type(obj, struct drbd_resource *, \
__drbd_printk_resource, level, fmt, ## args), \
__builtin_choose_expr( \
__drbd_printk_if_same_type(obj, struct drbd_connection *, \
__drbd_printk_connection, level, fmt, ## args), \
__builtin_choose_expr( \
__drbd_printk_if_same_type(obj, struct drbd_peer_device *, \
__drbd_printk_peer_device, level, fmt, ## args), \
drbd_printk_with_wrong_object_type()))))
#define drbd_dbg(obj, fmt, args...) \
drbd_printk(KERN_DEBUG, obj, fmt, ## args)
#define drbd_alert(obj, fmt, args...) \
drbd_printk(KERN_ALERT, obj, fmt, ## args)
#define drbd_err(obj, fmt, args...) \
drbd_printk(KERN_ERR, obj, fmt, ## args)
#define drbd_warn(obj, fmt, args...) \
drbd_printk(KERN_WARNING, obj, fmt, ## args)
#define drbd_info(obj, fmt, args...) \
drbd_printk(KERN_INFO, obj, fmt, ## args)
#define drbd_emerg(obj, fmt, args...) \
drbd_printk(KERN_EMERG, obj, fmt, ## args)
#define dynamic_drbd_dbg(device, fmt, args...) \
dynamic_dev_dbg(disk_to_dev(device->vdisk), fmt, ## args)
#define D_ASSERT(x, exp) \
do { \
if (!(exp)) \
drbd_err(x, "ASSERTION %s FAILED in %s\n", \
#exp, __func__); \
} while (0)
/**
* expect - Make an assertion
*
* Unlike the assert macro, this macro returns a boolean result.
*/
#define expect(exp) ({ \
bool _bool = (exp); \
if (!_bool) \
drbd_err(device, "ASSERTION %s FAILED in %s\n", \
#exp, __func__); \
_bool; \
})
#endif
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