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[68.147.8.254]) by smtp.gmail.com with ESMTPSA id j6sm20526648pfg.126.2018.12.17.09.21.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 17 Dec 2018 09:21:50 -0800 (PST) From: Mathieu Poirier To: acme@kernel.org, peterz@infradead.org, gregkh@linuxfoundation.org Cc: mingo@redhat.com, tglx@linutronix.de, alexander.shishkin@linux.intel.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, will.deacon@arm.com, mark.rutland@arm.com, jolsa@redhat.com, namhyung@kernel.org, adrian.hunter@intel.com, ast@kernel.org, hpa@zytor.com, suzuki.poulosi@arm.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [RESEND PATCH v5 1/6] perf: Introduce ioctl to communicate driver configuration to kernel Date: Mon, 17 Dec 2018 10:21:41 -0700 Message-Id: <1545067306-31687-2-git-send-email-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1545067306-31687-1-git-send-email-mathieu.poirier@linaro.org> References: <1545067306-31687-1-git-send-email-mathieu.poirier@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding a new IOCTL command to communicate PMU specific configuration to PMU kernel drivers. This can be anything a PMU might need for configuration that doesn't fit in the perf_event_attr structure, such as the CoreSight sink to use for a session. Signed-off-by: Mathieu Poirier --- include/uapi/linux/perf_event.h | 1 + tools/include/uapi/linux/perf_event.h | 1 + 2 files changed, 2 insertions(+) diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 9de8780ac8d9..a39d8dc2e7a9 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -462,6 +462,7 @@ struct perf_event_query_bpf { #define PERF_EVENT_IOC_PAUSE_OUTPUT _IOW('$', 9, __u32) #define PERF_EVENT_IOC_QUERY_BPF _IOWR('$', 10, struct perf_event_query_bpf *) #define PERF_EVENT_IOC_MODIFY_ATTRIBUTES _IOW('$', 11, struct perf_event_attr *) +#define PERF_EVENT_IOC_SET_DRV_CONFIG _IOW('$', 12, __u64 *) enum perf_event_ioc_flags { PERF_IOC_FLAG_GROUP = 1U << 0, diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h index 9de8780ac8d9..a39d8dc2e7a9 100644 --- a/tools/include/uapi/linux/perf_event.h +++ b/tools/include/uapi/linux/perf_event.h @@ -462,6 +462,7 @@ struct perf_event_query_bpf { #define PERF_EVENT_IOC_PAUSE_OUTPUT _IOW('$', 9, __u32) #define PERF_EVENT_IOC_QUERY_BPF _IOWR('$', 10, struct perf_event_query_bpf *) #define PERF_EVENT_IOC_MODIFY_ATTRIBUTES _IOW('$', 11, struct perf_event_attr *) +#define PERF_EVENT_IOC_SET_DRV_CONFIG _IOW('$', 12, __u64 *) enum perf_event_ioc_flags { PERF_IOC_FLAG_GROUP = 1U << 0, -- 2.7.4