arch/powerpc/perf/hv-gpci.h

Source file repositories/reference/linux-study-clean/arch/powerpc/perf/hv-gpci.h

File Facts

System
Linux kernel
Corpus path
arch/powerpc/perf/hv-gpci.h
Extension
.h
Size
771 bytes
Lines
36
Domain
Architecture Layer
Bucket
arch/powerpc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef LINUX_POWERPC_PERF_HV_GPCI_H_
#define LINUX_POWERPC_PERF_HV_GPCI_H_

/*
 * 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
#define ENABLE_EVENTS_COUNTERINFO_V6
#include "req-gen/perf.h"
#undef REQUEST_FILE
#undef NAME_LOWER
#undef NAME_UPPER

#endif

Annotation

Implementation Notes