Received: by 2002:a25:31c3:0:0:0:0:0 with SMTP id x186csp1296360ybx; Thu, 7 Nov 2019 10:00:44 -0800 (PST) X-Google-Smtp-Source: APXvYqzETIMhVKMURfQJkesI33XOjJ9ISTRWMLVxmNK19yipm1GmxRNrAf7trdhkqLZ+tfqVjwgR X-Received: by 2002:a50:870c:: with SMTP id i12mr4964561edb.16.1573149644245; Thu, 07 Nov 2019 10:00:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1573149644; cv=none; d=google.com; s=arc-20160816; b=M5sAKtket5ZlJitTI5juUUa3stKVeDQRze0BzjUFVoj1HrnRDQqORH/aCfS8o589V+ hFmWm6u3+PpY8OlRnJHZHaRnKJ96sRALzoF4HVKpkFlW2nqIfGTwKNjfRsq4ysR5KBHC VWXNPXIeV39I2Bw02lgMBg3zlbmMCKy7pBNHKEJ28QNpy4PKN30asPODkOrjWiBOIJ0/ OlVl7YQNGDgNWUbciHxTLo0iOhZxxXtMxqZVKl+zgdRUT2JahiaXtt1qdSzabn8b+pf2 DwYRb7yagNCOmpXwpfhapN6ylhRvUWgRXt1jTODoUmtYRFVJMxTawIF6qaFh5ocleW86 tFuA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date:from :references:cc:to:subject; bh=OYApkI2zIhX9MKBbJmvSPTVxMbYlXvBGoBQF5Ad4Hpc=; b=YzHx+onPZNr1MxhzpXKYp7MxSUa8ZfXmtVVsg2e2x1864llTPEo7gGX3LMGQwJ0FfN QVl7Y5X41fcjt2Dc7OYtggW5xuIvVV7NZn/YBZejjat0NfkvkBzud15b8U4zxnatfqjz RVdRkYiERiTldgGVxUh3feGuyjQ5ejg+CaxM2fSliQnAnvsJqKnJ9jJL3rK0osoEd0tM BGizQK0emgcwXja8GJECYrRhxCfSko4zekuMPBk4T+ktTNf8+Mg79UmAXsqC94U4I0jS 1fbJKNPEPIreVjqk7ZdbH4orTF2922etlPORcAdpzel2O86idqH7QQG6phm8jR9o1hjm i59w== ARC-Authentication-Results: i=1; mx.google.com; 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=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j22si1748970edq.415.2019.11.07.10.00.20; Thu, 07 Nov 2019 10:00:44 -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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730764AbfKGR5h (ORCPT + 99 others); Thu, 7 Nov 2019 12:57:37 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:7476 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726608AbfKGR5h (ORCPT ); Thu, 7 Nov 2019 12:57:37 -0500 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id xA7HoS8K123051 for ; Thu, 7 Nov 2019 12:57:35 -0500 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0a-001b2d01.pphosted.com with ESMTP id 2w4np5p446-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 07 Nov 2019 12:57:35 -0500 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 7 Nov 2019 17:57:27 -0000 Received: from b06cxnps3074.portsmouth.uk.ibm.com (9.149.109.194) by e06smtp05.uk.ibm.com (192.168.101.135) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 7 Nov 2019 17:57:19 -0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xA7HvHmQ262624 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 7 Nov 2019 17:57:17 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AD5DD4C04E; Thu, 7 Nov 2019 17:57:17 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 83D734C044; Thu, 7 Nov 2019 17:57:16 +0000 (GMT) Received: from pic2.home (unknown [9.145.15.120]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 7 Nov 2019 17:57:16 +0000 (GMT) Subject: Re: [PATCH 03/10] powerpc: Add OPAL calls for LPC memory alloc/release To: "Alastair D'Silva" , alastair@d-silva.org Cc: Andrew Donnellan , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Arnd Bergmann , Greg Kroah-Hartman , Dan Williams , Vishal Verma , Dave Jiang , Keith Busch , Ira Weiny , Anton Blanchard , Geert Uytterhoeven , Krzysztof Kozlowski , Thomas Gleixner , Vasant Hegde , Anju T Sudhakar , Hari Bathini , Mahesh Salgaonkar , =?UTF-8?Q?C=c3=a9dric_Le_Goater?= , Allison Randal , Greg Kurz , Nicholas Piggin , David Gibson , Alexey Kardashevskiy , Andrew Morton , David Hildenbrand , Oscar Salvador , Michal Hocko , Pavel Tatashin , Wei Yang , Qian Cai , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org References: <20191025044721.16617-1-alastair@au1.ibm.com> <20191025044721.16617-4-alastair@au1.ibm.com> From: Frederic Barrat Date: Thu, 7 Nov 2019 18:57:16 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <20191025044721.16617-4-alastair@au1.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19110717-0020-0000-0000-000003837F8B X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19110717-0021-0000-0000-000021D9B527 Message-Id: <150de4f8-a257-4b4b-8495-73f3aa6954c0@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-11-07_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=8.0.1-1910280000 definitions=main-1911070165 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le 25/10/2019 à 06:46, Alastair D'Silva a écrit : > From: Alastair D'Silva > > Add OPAL calls for LPC memory alloc/release > > Signed-off-by: Alastair D'Silva > Acked-by: Andrew Donnellan > --- Acked-by: Frederic Barrat > arch/powerpc/include/asm/opal-api.h | 2 ++ > arch/powerpc/include/asm/opal.h | 3 +++ > arch/powerpc/platforms/powernv/opal-call.c | 2 ++ > 3 files changed, 7 insertions(+) > > diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h > index 378e3997845a..2c88c02e69ed 100644 > --- a/arch/powerpc/include/asm/opal-api.h > +++ b/arch/powerpc/include/asm/opal-api.h > @@ -208,6 +208,8 @@ > #define OPAL_HANDLE_HMI2 166 > #define OPAL_NX_COPROC_INIT 167 > #define OPAL_XIVE_GET_VP_STATE 170 > +#define OPAL_NPU_MEM_ALLOC 171 > +#define OPAL_NPU_MEM_RELEASE 172 > #define OPAL_MPIPL_UPDATE 173 > #define OPAL_MPIPL_REGISTER_TAG 174 > #define OPAL_MPIPL_QUERY_TAG 175 > diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h > index a0cf8fba4d12..4db135fb54ab 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); > diff --git a/arch/powerpc/platforms/powernv/opal-call.c b/arch/powerpc/platforms/powernv/opal-call.c > index a2aa5e433ac8..27c4b93c774c 100644 > --- a/arch/powerpc/platforms/powernv/opal-call.c > +++ b/arch/powerpc/platforms/powernv/opal-call.c > @@ -287,6 +287,8 @@ 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); > OPAL_CALL(opal_mpipl_update, OPAL_MPIPL_UPDATE); > OPAL_CALL(opal_mpipl_register_tag, OPAL_MPIPL_REGISTER_TAG); > OPAL_CALL(opal_mpipl_query_tag, OPAL_MPIPL_QUERY_TAG); >