55 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0 */
 | 
						|
#ifndef _INTEL_PMT_CLASS_H
 | 
						|
#define _INTEL_PMT_CLASS_H
 | 
						|
 | 
						|
#include <linux/xarray.h>
 | 
						|
#include <linux/types.h>
 | 
						|
#include <linux/bits.h>
 | 
						|
#include <linux/err.h>
 | 
						|
#include <linux/io.h>
 | 
						|
 | 
						|
#include "../vsec.h"
 | 
						|
 | 
						|
/* PMT access types */
 | 
						|
#define ACCESS_BARID		2
 | 
						|
#define ACCESS_LOCAL		3
 | 
						|
 | 
						|
/* PMT discovery base address/offset register layout */
 | 
						|
#define GET_BIR(v)		((v) & GENMASK(2, 0))
 | 
						|
#define GET_ADDRESS(v)		((v) & GENMASK(31, 3))
 | 
						|
 | 
						|
struct intel_pmt_entry {
 | 
						|
	struct bin_attribute	pmt_bin_attr;
 | 
						|
	struct kobject		*kobj;
 | 
						|
	void __iomem		*disc_table;
 | 
						|
	void __iomem		*base;
 | 
						|
	unsigned long		base_addr;
 | 
						|
	size_t			size;
 | 
						|
	u32			guid;
 | 
						|
	int			devid;
 | 
						|
};
 | 
						|
 | 
						|
struct intel_pmt_header {
 | 
						|
	u32	base_offset;
 | 
						|
	u32	size;
 | 
						|
	u32	guid;
 | 
						|
	u8	access_type;
 | 
						|
};
 | 
						|
 | 
						|
struct intel_pmt_namespace {
 | 
						|
	const char *name;
 | 
						|
	struct xarray *xa;
 | 
						|
	const struct attribute_group *attr_grp;
 | 
						|
	int (*pmt_header_decode)(struct intel_pmt_entry *entry,
 | 
						|
				 struct intel_pmt_header *header,
 | 
						|
				 struct device *dev);
 | 
						|
};
 | 
						|
 | 
						|
bool intel_pmt_is_early_client_hw(struct device *dev);
 | 
						|
int intel_pmt_dev_create(struct intel_pmt_entry *entry,
 | 
						|
			 struct intel_pmt_namespace *ns,
 | 
						|
			 struct intel_vsec_device *dev, int idx);
 | 
						|
void intel_pmt_dev_destroy(struct intel_pmt_entry *entry,
 | 
						|
			   struct intel_pmt_namespace *ns);
 | 
						|
#endif
 |