1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _INTEL_PMT_CLASS_H
 3#define _INTEL_PMT_CLASS_H
 4
 5#include <linux/xarray.h>
 6#include <linux/types.h>
 7#include <linux/bits.h>
 8#include <linux/err.h>
 9#include <linux/io.h>
10
11#include "../vsec.h"
12
13/* PMT access types */
14#define ACCESS_BARID		2
15#define ACCESS_LOCAL		3
16
17/* PMT discovery base address/offset register layout */
18#define GET_BIR(v)		((v) & GENMASK(2, 0))
19#define GET_ADDRESS(v)		((v) & GENMASK(31, 3))
20
21struct intel_pmt_entry {
22	struct bin_attribute	pmt_bin_attr;
23	struct kobject		*kobj;
24	void __iomem		*disc_table;
25	void __iomem		*base;
26	unsigned long		base_addr;
27	size_t			size;
28	u32			guid;
29	int			devid;
30};
31
32struct intel_pmt_header {
33	u32	base_offset;
34	u32	size;
35	u32	guid;
36	u8	access_type;
37};
38
39struct intel_pmt_namespace {
40	const char *name;
41	struct xarray *xa;
42	const struct attribute_group *attr_grp;
43	int (*pmt_header_decode)(struct intel_pmt_entry *entry,
44				 struct intel_pmt_header *header,
45				 struct device *dev);
46};
47
48bool intel_pmt_is_early_client_hw(struct device *dev);
49int intel_pmt_dev_create(struct intel_pmt_entry *entry,
50			 struct intel_pmt_namespace *ns,
51			 struct intel_vsec_device *dev, int idx);
52void intel_pmt_dev_destroy(struct intel_pmt_entry *entry,
53			   struct intel_pmt_namespace *ns);
54#endif