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