#ifndef __XEN_PUBLIC_XENPMU_H__
#define __XEN_PUBLIC_XENPMU_H__
#include "xen.h"
#define XENPMU_VER_MAJ 0
#define XENPMU_VER_MIN 1
/*
* ` enum neg_errnoval
* ` HYPERVISOR_xenpmu_op(enum xenpmu_op cmd, struct xenpmu_params *args);
*
* @cmd == XENPMU_* (PMU operation)
* @args == struct xenpmu_params
*/
/* ` enum xenpmu_op { */
#define XENPMU_mode_get 0 /* Also used for getting PMU version */
#define XENPMU_mode_set 1
#define XENPMU_feature_get 2
#define XENPMU_feature_set 3
#define XENPMU_init 4
#define XENPMU_finish 5
#define XENPMU_lvtpc_set 6
#define XENPMU_flush 7
/* ` } */
/* Parameters structure for HYPERVISOR_xenpmu_op call */
struct xen_pmu_params {
/* IN/OUT parameters */
struct {
uint32_t maj;
uint32_t min;
} version;
uint64_t val;
/* IN parameters */
uint32_t vcpu;
uint32_t pad;
};
/* PMU modes:
* - XENPMU_MODE_OFF: No PMU virtualization
* - XENPMU_MODE_SELF: Guests can profile themselves
* - XENPMU_MODE_HV: Guests can profile themselves, dom0 profiles
* itself and Xen
* - XENPMU_MODE_ALL: Only dom0 has access to VPMU and it profiles
* everyone: itself, the hypervisor and the guests.
*/
#define XENPMU_MODE_OFF 0
#define XENPMU_MODE_SELF (1<<0)
#define XENPMU_MODE_HV (1<<1)
#define XENPMU_MODE_ALL (1<<2)
/*
* PMU features:
* - XENPMU_FEATURE_INTEL_BTS: Intel BTS support (ignored on AMD)
*/
#define XENPMU_FEATURE_INTEL_BTS 1
/*
* Shared PMU data between hypervisor and PV(H) domains.
*
* The hypervisor fills out this structure during PMU interrupt and sends an
* interrupt to appropriate VCPU.
* Architecture-independent fields of xen_pmu_data are WO for the hypervisor
* and RO for the guest but some fields in xen_pmu_arch can be writable
* by both the hypervisor and the guest (see arch-$arch/pmu.h).
*/
struct xen_pmu_data {
/* Interrupted VCPU */
uint32_t vcpu_id;
/*
* Physical processor on which the interrupt occurred. On non-privileged
* guests set to vcpu_id;
*/
uint32_t pcpu_id;
/*
* Domain that was interrupted. On non-privileged guests set to
* DOMID_SELF.
* On privileged guests can be DOMID_SELF, DOMID_XEN, or, when in
* XENPMU_MODE_ALL mode, domain ID of another domain.
*/
domid_t domain_id;
uint8_t pad[6];
/* Architecture-specific information */
struct xen_pmu_arch pmu;
};
#endif /* __XEN_PUBLIC_XENPMU_H__ */
6034ed492c1a21fd4ae'/>
Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"Several fixes to the DSM (ACPI device specific method) marshaling
implementation.
I consider these urgent enough to send for 4.9 consideration since
they fix the kernel's handling of ARS (Address Range Scrub) commands.
Especially for platforms without machine-check-recovery capabilities,
successful execution of ARS commands enables the platform to
potentially break out of an infinite reboot problem if a media error
is present in the boot path. There is also a one line fix for a
device-dax read-only mapping regression.
Commits 9a901f5495e2 ("acpi, nfit: fix extended status translations
for ACPI DSMs") and 325896ffdf90 ("device-dax: fix private mapping
restriction, permit read-only") are true regression fixes for changes
introduced this cycle.
Commit efda1b5d87cb ("acpi, nfit, libnvdimm: fix / harden ars_status
output length handling") fixes the kernel's handling of zero-length
results, this never would have worked in the past, but we only just
recently discovered a BIOS implementation that emits this arguably
spec non-compliant result.
The remaining two commits are additional fall out from thinking
through the implications of a zero / truncated length result of the
ARS Status command.
In order to mitigate the risk that these changes introduce yet more
regressions they are backstopped by a new unit test in commit
a7de92dac9f0 ("tools/testing/nvdimm: unit test acpi_nfit_ctl()") that
mocks up inputs to acpi_nfit_ctl()"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: fix private mapping restriction, permit read-only
tools/testing/nvdimm: unit test acpi_nfit_ctl()
acpi, nfit: fix bus vs dimm confusion in xlat_status
acpi, nfit: validate ars_status output buffer size
acpi, nfit, libnvdimm: fix / harden ars_status output length handling
acpi, nfit: fix extended status translations for ACPI DSMs
Diffstat (limited to 'tools/testing/selftests/membarrier')