From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757050AbcBWD5V (ORCPT ); Mon, 22 Feb 2016 22:57:21 -0500 Received: from e28smtp04.in.ibm.com ([125.16.236.4]:33407 "EHLO e28smtp04.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756736AbcBWD5T (ORCPT ); Mon, 22 Feb 2016 22:57:19 -0500 X-IBM-Helo: d28relay03.in.ibm.com X-IBM-MailFrom: maddy@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org From: Madhavan Srinivasan To: linux-kernel@vger.kernel.org Cc: Madhavan Srinivasan , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Anton Blanchard , Daniel Axtens , Stephane Eranian , Sukadev Bhattiprolu Subject: [PATCH v8 2/7] powerpc/powernv: Add OPAL support for Nest PMU Date: Tue, 23 Feb 2016 09:16:33 +0530 Message-Id: <1456199198-11056-3-git-send-email-maddy@linux.vnet.ibm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1456199198-11056-1-git-send-email-maddy@linux.vnet.ibm.com> References: <1456199198-11056-1-git-send-email-maddy@linux.vnet.ibm.com> X-TM-AS-MML: disable x-cbid: 16022303-0013-0000-0000-00000A4DE174 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nest Counters can be configured via PORE Engine and OPAL provides an interface to start/stop it. Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Anton Blanchard Cc: Daniel Axtens Cc: Stephane Eranian Cc: Sukadev Bhattiprolu Signed-off-by: Madhavan Srinivasan --- OPAL side patches are posted in the skiboot mailing. arch/powerpc/include/asm/opal-api.h | 3 ++- arch/powerpc/include/asm/opal.h | 3 +++ arch/powerpc/platforms/powernv/opal-wrappers.S | 1 + 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h index f8faaaeeca1e..1845af7917a4 100644 --- a/arch/powerpc/include/asm/opal-api.h +++ b/arch/powerpc/include/asm/opal-api.h @@ -158,7 +158,8 @@ #define OPAL_LEDS_SET_INDICATOR 115 #define OPAL_CEC_REBOOT2 116 #define OPAL_CONSOLE_FLUSH 117 -#define OPAL_LAST 117 +#define OPAL_NEST_COUNTERS_CONTROL 118 +#define OPAL_LAST 118 /* Device tree flags */ diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 07a99e638449..6556e2a2141c 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -210,6 +210,9 @@ int64_t opal_flash_write(uint64_t id, uint64_t offset, uint64_t buf, int64_t opal_flash_erase(uint64_t id, uint64_t offset, uint64_t size, uint64_t token); +int64_t opal_nest_counters_control(uint64_t mode, uint64_t value1, + uint64_t value2, uint64_t value3); + /* Internal functions */ extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data); diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index e45b88a5d7e0..193fed741a53 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -302,3 +302,4 @@ OPAL_CALL(opal_prd_msg, OPAL_PRD_MSG); OPAL_CALL(opal_leds_get_ind, OPAL_LEDS_GET_INDICATOR); OPAL_CALL(opal_leds_set_ind, OPAL_LEDS_SET_INDICATOR); OPAL_CALL(opal_console_flush, OPAL_CONSOLE_FLUSH); +OPAL_CALL(opal_nest_counters_control, OPAL_NEST_COUNTERS_CONTROL); -- 1.9.1