diff options
Diffstat (limited to 'drivers/dax/bus.h')
| -rw-r--r-- | drivers/dax/bus.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/dax/bus.h b/drivers/dax/bus.h index fbb940293d6d..cbbf64443098 100644 --- a/drivers/dax/bus.h +++ b/drivers/dax/bus.h @@ -9,9 +9,11 @@ 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) +/* dax bus specific ioresource flags */ +#define IORESOURCE_DAX_STATIC BIT(0) +#define IORESOURCE_DAX_KMEM BIT(1) + struct dax_region *alloc_dax_region(struct device *parent, int region_id, struct range *range, int target_node, unsigned int align, unsigned long flags); @@ -21,14 +23,20 @@ struct dev_dax_data { struct dev_pagemap *pgmap; resource_size_t size; int id; + bool memmap_on_memory; }; struct dev_dax *devm_create_dev_dax(struct dev_dax_data *data); +enum dax_driver_type { + DAXDRV_KMEM_TYPE, + DAXDRV_DEVICE_TYPE, +}; + struct dax_device_driver { struct device_driver drv; struct list_head ids; - int match_always; + enum dax_driver_type type; int (*probe)(struct dev_dax *dev); void (*remove)(struct dev_dax *dev); }; @@ -41,13 +49,6 @@ 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" |