12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455 |
- // SPDX-License-Identifier: GPL-2.0
- /* Copyright(c) 2016 - 2018 Intel Corporation. All rights reserved. */
- #ifndef __DAX_BUS_H__
- #define __DAX_BUS_H__
- #include <linux/device.h>
- #include <linux/range.h>
- struct dev_dax;
- struct resource;
- struct dax_device;
- struct dax_region;
- void dax_region_put(struct dax_region *dax_region);
- #define IORESOURCE_DAX_STATIC (1UL << 0)
- struct dax_region *alloc_dax_region(struct device *parent, int region_id,
- struct range *range, int target_node, unsigned int align,
- unsigned long flags);
- struct dev_dax_data {
- struct dax_region *dax_region;
- struct dev_pagemap *pgmap;
- resource_size_t size;
- int id;
- };
- struct dev_dax *devm_create_dev_dax(struct dev_dax_data *data);
- struct dax_device_driver {
- struct device_driver drv;
- struct list_head ids;
- int match_always;
- int (*probe)(struct dev_dax *dev);
- void (*remove)(struct dev_dax *dev);
- };
- int __dax_driver_register(struct dax_device_driver *dax_drv,
- struct module *module, const char *mod_name);
- #define dax_driver_register(driver) \
- __dax_driver_register(driver, THIS_MODULE, KBUILD_MODNAME)
- void dax_driver_unregister(struct dax_device_driver *dax_drv);
- void kill_dev_dax(struct dev_dax *dev_dax);
- bool static_dev_dax(struct dev_dax *dev_dax);
- /*
- * While run_dax() is potentially a generic operation that could be
- * defined in include/linux/dax.h we don't want to grow any users
- * outside of drivers/dax/
- */
- void run_dax(struct dax_device *dax_dev);
- #define MODULE_ALIAS_DAX_DEVICE(type) \
- MODULE_ALIAS("dax:t" __stringify(type) "*")
- #define DAX_DEVICE_MODALIAS_FMT "dax:t%d"
- #endif /* __DAX_BUS_H__ */
|