From patchwork Mon Dec 3 22:54:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathieu Poirier X-Patchwork-Id: 152790 Delivered-To: patch@linaro.org Received: by 2002:a2e:299d:0:0:0:0:0 with SMTP id p29-v6csp7389395ljp; Mon, 3 Dec 2018 14:55:36 -0800 (PST) X-Google-Smtp-Source: AFSGD/Xd6NRVw6+DJFVMYrt3AQ/QTQOmNuzaBbJP3eY0WpbKLFKk3YXP71oeyXLFF2MzriA7topw X-Received: by 2002:a62:2b8b:: with SMTP id r133mr6316714pfr.246.1543877736020; Mon, 03 Dec 2018 14:55:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543877736; cv=none; d=google.com; s=arc-20160816; b=wk3BIgB/i0YrXwdKyw5VmmMs1psGnD3/IwndrjEwCy1KpxLirt68ufVvxjodGQP09F negVCN1FdI9LeinmVJy1Uh/10K6QJtRQ4lNyGGOvHzY8Qdw89DtUvLhtGsjoaGb2E42z rKwzPCSBMHngdrE1rBuybpE52sO9bfF3EH7pbirYQcGk7WQuj2q3dysAlA217QHo+qRZ 2rPGnbYQb0ZIilhvGb07QU9SHx8CCNsEhnCKlVhF3TTVg3GC4yfecg/vcgVDv86gaTmD vWxNYTE3f/qr2M9ZbaXs8hjJM1bYVg9vZTxmoL0NBeiyShGNSrpJNMDVlc0hFHKi7Fqi BWZQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature; bh=m66nW8iS1E+go7FhvR8iwCr/rCMmVZB6DxxcxVV5OJA=; b=piAuFC3dXwAXwW7UITkDY5Jqfvk4m/3hePP7Q5Uy8R7rdoWWfX+yriD+EGk/1h60Zb aIJiuy0E+Z28n23YFe81s5iQVkXTaeT2qrVkmyph6jDNDHrUpZ9VlVEipSW+ZXSkjLZ3 ZyvpnXAZTbWcW/eVtizKx+mQmFh7WnduaJbFGPuLdu3treluzNA4CHVvSMwm2pEhSSVB 9HaZsjL+GW4lG8zV+E4PJ4F1AF1it9qL+l6fXG0CfyrRrr6afgy6cpkP2F1Grd0TCXrP 3LNl6DxZoiABaSP+htI7Qhls0XxqPbT0ik1yTGTyu2g/hZwXg9TGjdMlYm16fmyY6mOS WhoQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=EjQUylK1; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h5si15880451pfg.233.2018.12.03.14.55.35; Mon, 03 Dec 2018 14:55:36 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=EjQUylK1; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726087AbeLCWzF (ORCPT + 32 others); Mon, 3 Dec 2018 17:55:05 -0500 Received: from mail-pg1-f194.google.com ([209.85.215.194]:36007 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726060AbeLCWzB (ORCPT ); Mon, 3 Dec 2018 17:55:01 -0500 Received: by mail-pg1-f194.google.com with SMTP id n2so6404634pgm.3 for ; Mon, 03 Dec 2018 14:55:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=m66nW8iS1E+go7FhvR8iwCr/rCMmVZB6DxxcxVV5OJA=; b=EjQUylK1BINMhHoByAtjuUYcrcMPz4Z0p6OJ+UuyZ4XGwa+b2BF+8GhR4rNhzouffc mxtwzG+5pp32+g9gzo0/5BWnQBltZmNyjF/k4csDBe6E7LE39h4e5Bg9/qk5gXu5+tS5 WqkbqVCttjr8cVwi7C7sKHvcIng56MShKw1lQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=m66nW8iS1E+go7FhvR8iwCr/rCMmVZB6DxxcxVV5OJA=; b=tAW5W0PY6n+uc1DUPeLoz1ZCBFOfMsdatyrsPH3pRwmm66tRBJNVK0ZVWpeB2915/u vBwd+y5dwzr0jC4RCAvJRmVxbIc9IQxYZg7mIa0G6SYgHVhC0COFRjC9Sn/rDTz8wMfN xbIY6hbgrK/ngmFSusvNUnxjP8x7KCV9115XBz2ATIJQBmH0Y4hdU5n1RuAxX/zGyELs rDzyL0tyjOb5tN1Puwv82YUJAmJMy6ZEfojmTcrV7h5+Ox8mmKHpJlgpX4tW7crhQ9mQ ZSgYKsqPofvEvV7rB481NBZhzEFRijVmHExALXOaLboJyWbkJtFXfr7jXpiwGh+ibkYB VGGg== X-Gm-Message-State: AA+aEWYaojlisAO251NS656eS++iNpq7kHyHdFLSI6MJTSR89OEO6HUI jvQbtMvPptpGY+wsAfzshm+4UA== X-Received: by 2002:a63:e5c:: with SMTP id 28mr2608108pgo.369.1543877700608; Mon, 03 Dec 2018 14:55:00 -0800 (PST) Received: from xps15.cg.shawcable.net (S0106002369de4dac.cg.shawcable.net. [68.147.8.254]) by smtp.gmail.com with ESMTPSA id v9sm20933057pfg.144.2018.12.03.14.54.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 03 Dec 2018 14:55:00 -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: [PATCH v5 1/6] perf: Introduce ioctl to communicate driver configuration to kernel Date: Mon, 3 Dec 2018 15:54:51 -0700 Message-Id: <1543877696-17174-2-git-send-email-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1543877696-17174-1-git-send-email-mathieu.poirier@linaro.org> References: <1543877696-17174-1-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(+) -- 2.7.4 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,