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#include "telemetry.h"
13
14/* PMT access types */
15#define ACCESS_BARID		2
16#define ACCESS_LOCAL		3
17
18/* PMT discovery base address/offset register layout */
19#define GET_BIR(v)		((v) & GENMASK(2, 0))
20#define GET_ADDRESS(v)		((v) & GENMASK(31, 3))
21
22struct pci_dev;
23
24struct telem_endpoint {
25	struct pci_dev		*pcidev;
26	struct telem_header	header;
27	void __iomem		*base;
28	bool			present;
29	struct kref		kref;
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_entry {
40	struct telem_endpoint	*ep;
41	struct intel_pmt_header	header;
42	struct bin_attribute	pmt_bin_attr;
43	struct kobject		*kobj;
44	void __iomem		*disc_table;
45	void __iomem		*base;
46	unsigned long		base_addr;
47	size_t			size;
48	u32			guid;
49	int			devid;
50};
51
52struct intel_pmt_namespace {
53	const char *name;
54	struct xarray *xa;
55	const struct attribute_group *attr_grp;
56	int (*pmt_header_decode)(struct intel_pmt_entry *entry,
57				 struct device *dev);
58	int (*pmt_add_endpoint)(struct intel_pmt_entry *entry,
59				struct pci_dev *pdev);
60};
61
62bool intel_pmt_is_early_client_hw(struct device *dev);
63int intel_pmt_dev_create(struct intel_pmt_entry *entry,
64			 struct intel_pmt_namespace *ns,
65			 struct intel_vsec_device *dev, int idx);
66void intel_pmt_dev_destroy(struct intel_pmt_entry *entry,
67			   struct intel_pmt_namespace *ns);
68#endif