61078c6778
[ Upstream commit 03f7c1d2a49acd30e38789cd809d3300721e9b0e ]
Based on getPerfCountInfo v1.018 documentation, some of the
hv_gpci events were deprecated for platform firmware that
supports counter_info_version 0x8 or above.
Fix the hv_gpci event list by adding a new attribute group
called "hv_gpci_event_attrs_v6" and a "ENABLE_EVENTS_COUNTERINFO_V6"
macro to enable these events for platform firmware
that supports counter_info_version 0x6 or below. And assigning
the hv_gpci event list based on output counter info version
of underlying plaform.
Fixes: 97bf264018 ("powerpc/perf/hv-gpci: add the remaining gpci requests")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Reviewed-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221130174513.87501-1-kjain@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef LINUX_POWERPC_PERF_HV_GPCI_H_
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#define LINUX_POWERPC_PERF_HV_GPCI_H_
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#include <linux/types.h>
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/* From the document "H_GetPerformanceCounterInfo Interface" v1.07 */
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/* H_GET_PERF_COUNTER_INFO argument */
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struct hv_get_perf_counter_info_params {
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__be32 counter_request; /* I */
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__be32 starting_index; /* IO */
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__be16 secondary_index; /* IO */
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__be16 returned_values; /* O */
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__be32 detail_rc; /* O, only needed when called via *_norets() */
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/*
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* O, size each of counter_value element in bytes, only set for version
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* >= 0x3
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*/
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__be16 cv_element_size;
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/* I, 0 (zero) for versions < 0x3 */
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__u8 counter_info_version_in;
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/* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
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__u8 counter_info_version_out;
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__u8 reserved[0xC];
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__u8 counter_value[];
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} __packed;
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/*
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* counter info version => fw version/reference (spec version)
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*
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* 8 => power8 (1.07)
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* [7 is skipped by spec 1.07]
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* 6 => TLBIE (1.07)
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* 5 => v7r7m0.phyp (1.05)
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* [4 skipped]
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* 3 => v7r6m0.phyp (?)
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* [1,2 skipped]
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* 0 => v7r{2,3,4}m0.phyp (?)
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*/
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#define COUNTER_INFO_VERSION_CURRENT 0x8
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/* capability mask masks. */
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enum {
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HV_GPCI_CM_GA = (1 << 7),
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HV_GPCI_CM_EXPANDED = (1 << 6),
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HV_GPCI_CM_LAB = (1 << 5)
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};
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#define REQUEST_FILE "../hv-gpci-requests.h"
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#define NAME_LOWER hv_gpci
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#define NAME_UPPER HV_GPCI
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#define ENABLE_EVENTS_COUNTERINFO_V6
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#include "req-gen/perf.h"
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#undef REQUEST_FILE
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#undef NAME_LOWER
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#undef NAME_UPPER
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#endif
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