1#ifndef LINUX_POWERPC_PERF_HV_GPCI_H_
2#define LINUX_POWERPC_PERF_HV_GPCI_H_
3
4#include <linux/types.h>
5
6/* From the document "H_GetPerformanceCounterInfo Interface" v1.07 */
7
8/* H_GET_PERF_COUNTER_INFO argument */
9struct hv_get_perf_counter_info_params {
10	__be32 counter_request; /* I */
11	__be32 starting_index;  /* IO */
12	__be16 secondary_index; /* IO */
13	__be16 returned_values; /* O */
14	__be32 detail_rc; /* O, only needed when called via *_norets() */
15
16	/*
17	 * O, size each of counter_value element in bytes, only set for version
18	 * >= 0x3
19	 */
20	__be16 cv_element_size;
21
22	/* I, 0 (zero) for versions < 0x3 */
23	__u8 counter_info_version_in;
24
25	/* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
26	__u8 counter_info_version_out;
27	__u8 reserved[0xC];
28	__u8 counter_value[];
29} __packed;
30
31/*
32 * counter info version => fw version/reference (spec version)
33 *
34 * 8 => power8 (1.07)
35 * [7 is skipped by spec 1.07]
36 * 6 => TLBIE (1.07)
37 * 5 => v7r7m0.phyp (1.05)
38 * [4 skipped]
39 * 3 => v7r6m0.phyp (?)
40 * [1,2 skipped]
41 * 0 => v7r{2,3,4}m0.phyp (?)
42 */
43#define COUNTER_INFO_VERSION_CURRENT 0x8
44
45/* capability mask masks. */
46enum {
47	HV_GPCI_CM_GA = (1 << 7),
48	HV_GPCI_CM_EXPANDED = (1 << 6),
49	HV_GPCI_CM_LAB = (1 << 5)
50};
51
52#define REQUEST_FILE "../hv-gpci-requests.h"
53#define NAME_LOWER hv_gpci
54#define NAME_UPPER HV_GPCI
55#include "req-gen/perf.h"
56#undef REQUEST_FILE
57#undef NAME_LOWER
58#undef NAME_UPPER
59
60#endif
61