linux/arch/powerpc/perf/hv-gpci.h

61 lines
1.4 KiB
C

#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