[linux-2.6-block.git] / arch / metag / include / asm / tcm.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_TCM_H__
#define __ASM_TCM_H__

#include <linux/ioport.h>
#include <linux/list.h>

struct tcm_allocation {
	struct list_head list;
	unsigned int tag;
	unsigned long addr;
	unsigned long size;
};

/*
 * TCM memory region descriptor.
 */
struct tcm_region {
	unsigned int tag;
	struct resource res;
};

#define TCM_INVALID_TAG	0xffffffff

unsigned long tcm_alloc(unsigned int tag, size_t len);
void tcm_free(unsigned int tag, unsigned long addr, size_t len);
unsigned int tcm_lookup_tag(unsigned long p);

int tcm_add_region(struct tcm_region *reg);

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
c438b58e JH	2	#ifndef __ASM_TCM_H__
	3	#define __ASM_TCM_H__
	4
	5	#include <linux/ioport.h>
	6	#include <linux/list.h>
	7
	8	struct tcm_allocation {
	9	struct list_head list;
	10	unsigned int tag;
	11	unsigned long addr;
	12	unsigned long size;
	13	};
	14
	15	/*
	16	* TCM memory region descriptor.
	17	*/
	18	struct tcm_region {
	19	unsigned int tag;
	20	struct resource res;
	21	};
	22
	23	#define TCM_INVALID_TAG 0xffffffff
	24
	25	unsigned long tcm_alloc(unsigned int tag, size_t len);
	26	void tcm_free(unsigned int tag, unsigned long addr, size_t len);
	27	unsigned int tcm_lookup_tag(unsigned long p);
	28
	29	int tcm_add_region(struct tcm_region *reg);
	30
	31	#endif