Blame view

kernel/linux-rt-4.4.41/arch/powerpc/perf/hv-gpci.h 1.39 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
  #ifndef LINUX_POWERPC_PERF_HV_GPCI_H_
  #define LINUX_POWERPC_PERF_HV_GPCI_H_
  
  #include <linux/types.h>
  
  /* From the document "H_GetPerformanceCounterInfo Interface" v1.07 */
  
  /* H_GET_PERF_COUNTER_INFO argument */
  struct hv_get_perf_counter_info_params {
  	__be32 counter_request; /* I */
  	__be32 starting_index;  /* IO */
  	__be16 secondary_index; /* IO */
  	__be16 returned_values; /* O */
  	__be32 detail_rc; /* O, only needed when called via *_norets() */
  
  	/*
  	 * O, size each of counter_value element in bytes, only set for version
  	 * >= 0x3
  	 */
  	__be16 cv_element_size;
  
  	/* I, 0 (zero) for versions < 0x3 */
  	__u8 counter_info_version_in;
  
  	/* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
  	__u8 counter_info_version_out;
  	__u8 reserved[0xC];
  	__u8 counter_value[];
  } __packed;
  
  /*
   * counter info version => fw version/reference (spec version)
   *
   * 8 => power8 (1.07)
   * [7 is skipped by spec 1.07]
   * 6 => TLBIE (1.07)
   * 5 => v7r7m0.phyp (1.05)
   * [4 skipped]
   * 3 => v7r6m0.phyp (?)
   * [1,2 skipped]
   * 0 => v7r{2,3,4}m0.phyp (?)
   */
  #define COUNTER_INFO_VERSION_CURRENT 0x8
  
  /* capability mask masks. */
  enum {
  	HV_GPCI_CM_GA = (1 << 7),
  	HV_GPCI_CM_EXPANDED = (1 << 6),
  	HV_GPCI_CM_LAB = (1 << 5)
  };
  
  #define REQUEST_FILE "../hv-gpci-requests.h"
  #define NAME_LOWER hv_gpci
  #define NAME_UPPER HV_GPCI
  #include "req-gen/perf.h"
  #undef REQUEST_FILE
  #undef NAME_LOWER
  #undef NAME_UPPER
  
  #endif