]> Git Repo - linux.git/blob - drivers/platform/x86/intel/pmt/class.h
Merge tag 'perf-tools-for-v6.4-3-2023-05-06' of git://git.kernel.org/pub/scm/linux...
[linux.git] / drivers / platform / x86 / intel / pmt / class.h
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
21 struct 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
32 struct intel_pmt_header {
33         u32     base_offset;
34         u32     size;
35         u32     guid;
36         u8      access_type;
37 };
38
39 struct 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
48 bool intel_pmt_is_early_client_hw(struct device *dev);
49 int intel_pmt_dev_create(struct intel_pmt_entry *entry,
50                          struct intel_pmt_namespace *ns,
51                          struct intel_vsec_device *dev, int idx);
52 void intel_pmt_dev_destroy(struct intel_pmt_entry *entry,
53                            struct intel_pmt_namespace *ns);
54 #endif
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