From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0CDFAC4320D for ; Wed, 25 Sep 2019 11:41:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D073421D7E for ; Wed, 25 Sep 2019 11:41:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404884AbfIYLlu (ORCPT ); Wed, 25 Sep 2019 07:41:50 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:21954 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404639AbfIYLlt (ORCPT ); Wed, 25 Sep 2019 07:41:49 -0400 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x8PBapR8004142 for ; Wed, 25 Sep 2019 07:41:49 -0400 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0a-001b2d01.pphosted.com with ESMTP id 2v861ykpt8-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 25 Sep 2019 07:41:48 -0400 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 25 Sep 2019 12:41:40 +0100 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x8PBfdjS42991868 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 25 Sep 2019 11:41:39 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 272FF11C04A; Wed, 25 Sep 2019 11:41:39 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7F69E11C04C; Wed, 25 Sep 2019 11:41:38 +0000 (GMT) Received: from ozlabs.au.ibm.com (unknown [9.192.253.14]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 25 Sep 2019 11:41:38 +0000 (GMT) Received: from [9.81.212.159] (unknown [9.81.212.159]) (using TLSv1.2 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id CF9EAA01BD; Wed, 25 Sep 2019 21:41:23 +1000 (AEST) Subject: Re: [PATCH 1/5] powerpc: Add OPAL calls for LPC memory alloc/release To: "Alastair D'Silva" , alastair@d-silva.org Cc: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Frederic Barrat , Arnd Bergmann , Greg Kroah-Hartman , Mahesh Salgaonkar , Allison Randal , Thomas Gleixner , Vaibhav Jain , Anju T Sudhakar , =?UTF-8?Q?C=c3=a9dric_Le_Goater?= , David Gibson , Masahiro Yamada , Nicholas Piggin , Alexey Kardashevskiy , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org References: <20190917014307.30485-1-alastair@au1.ibm.com> <20190917014307.30485-2-alastair@au1.ibm.com> From: Andrew Donnellan Date: Wed, 25 Sep 2019 13:41:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190917014307.30485-2-alastair@au1.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-AU Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 19092511-0020-0000-0000-000003716B51 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19092511-0021-0000-0000-000021C73120 Message-Id: <70d4372d-b421-893b-091d-c00ee7cce4b1@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-09-25_05:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909250119 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 17/9/19 3:42 am, Alastair D'Silva wrote: > From: Alastair D'Silva > > Add OPAL calls for LPC memory alloc/release > > Signed-off-by: Alastair D'Silva This needs rebasing, but apart from that. Acked-by: Andrew Donnellan > --- > arch/powerpc/include/asm/opal-api.h | 4 +++- > arch/powerpc/include/asm/opal.h | 3 +++ > arch/powerpc/platforms/powernv/opal-call.c | 2 ++ > 3 files changed, 8 insertions(+), 1 deletion(-) > > diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h > index 383242eb0dea..c58161cd7cfb 100644 > --- a/arch/powerpc/include/asm/opal-api.h > +++ b/arch/powerpc/include/asm/opal-api.h > @@ -208,7 +208,9 @@ > #define OPAL_HANDLE_HMI2 166 > #define OPAL_NX_COPROC_INIT 167 > #define OPAL_XIVE_GET_VP_STATE 170 > -#define OPAL_LAST 170 > +#define OPAL_NPU_MEM_ALLOC 171 > +#define OPAL_NPU_MEM_RELEASE 172 > +#define OPAL_LAST 172 > > #define QUIESCE_HOLD 1 /* Spin all calls at entry */ > #define QUIESCE_REJECT 2 /* Fail all calls with OPAL_BUSY */ > diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h > index 57bd029c715e..8c957a003be4 100644 > --- a/arch/powerpc/include/asm/opal.h > +++ b/arch/powerpc/include/asm/opal.h > @@ -39,6 +39,9 @@ int64_t opal_npu_spa_clear_cache(uint64_t phb_id, uint32_t bdfn, > uint64_t PE_handle); > int64_t opal_npu_tl_set(uint64_t phb_id, uint32_t bdfn, long cap, > uint64_t rate_phys, uint32_t size); > +int64_t opal_npu_mem_alloc(uint64_t phb_id, uint32_t bdfn, > + uint64_t size, uint64_t *bar); > +int64_t opal_npu_mem_release(uint64_t phb_id, uint32_t bdfn); > int64_t opal_console_write(int64_t term_number, __be64 *length, > const uint8_t *buffer); > int64_t opal_console_read(int64_t term_number, __be64 *length, > diff --git a/arch/powerpc/platforms/powernv/opal-call.c b/arch/powerpc/platforms/powernv/opal-call.c > index 29ca523c1c79..09a280446507 100644 > --- a/arch/powerpc/platforms/powernv/opal-call.c > +++ b/arch/powerpc/platforms/powernv/opal-call.c > @@ -287,3 +287,5 @@ OPAL_CALL(opal_pci_set_pbcq_tunnel_bar, OPAL_PCI_SET_PBCQ_TUNNEL_BAR); > OPAL_CALL(opal_sensor_read_u64, OPAL_SENSOR_READ_U64); > OPAL_CALL(opal_sensor_group_enable, OPAL_SENSOR_GROUP_ENABLE); > OPAL_CALL(opal_nx_coproc_init, OPAL_NX_COPROC_INIT); > +OPAL_CALL(opal_npu_mem_alloc, OPAL_NPU_MEM_ALLOC); > +OPAL_CALL(opal_npu_mem_release, OPAL_NPU_MEM_RELEASE); > -- Andrew Donnellan OzLabs, ADL Canberra ajd@linux.ibm.com IBM Australia Limited